CN202808008U - Preservative film use device - Google Patents
Preservative film use device Download PDFInfo
- Publication number
- CN202808008U CN202808008U CN 201220376125 CN201220376125U CN202808008U CN 202808008 U CN202808008 U CN 202808008U CN 201220376125 CN201220376125 CN 201220376125 CN 201220376125 U CN201220376125 U CN 201220376125U CN 202808008 U CN202808008 U CN 202808008U
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- Prior art keywords
- knife
- elongated slot
- preservative film
- fixed
- open
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Abstract
The utility model provides a preservative film use device which solves the problem of unsafety as existing preservative films are used by being pulled out of a paper box, placing the preservative films on a rack on the paper box and forcibly snapping the preservative films and the problems of difficulty in cutting and inconvenience in pulling of the preservative films during actual use. The preservative film use device comprises a knife rest, a knife holder, a gripper and an opening and closing device, the knife rest is fixed on the lower side of the upper front end, the knife holder is fixed on the upper side of the lower front end of the opening and closing device, an internal preservative film can extend out of an outlet in the lower middle of the opening and closing device, passes the upper side of the knife holder and the lower side of the knife rest forwards and then is pulled out of the device, a knife edge of a toothed knife is arc-shaped, the top end of an elongated slot is in a corresponding or matched arc shape, a tooth top is not lower than a cutting aiding point, and the gripper is platy and fixed below the upper portion of the opening and closing device.
Description
Technical field
The utility model belongs to the daily necessities technical field, is specifically related to a kind of operative installations of fresh-keeping preservative film.
Technical background
Preservative film is used more extensive in daily life, be mainly used in the cleaning of food and fresh-keeping, the common usage of preservative film is to get up to be placed on freshness-retaining film roll in the carton now, from carton, preservative film is pulled out when using, again preservative film is placed on the tooth bar on the carton and breaks by force, or cut off with scissors, with disconnected use of lancinating.
Above-mentioned usage operates and has following point: is inconvenient to use, preservative film is broken to operate at the tooth bar of carton is not easy very much, and particularly larger for the large plastic fresh-keeping membrane difficulty of retractility; Be not durable, the outsourcing carton be unable to undergo repeatedly turn from side to side can not reusable problem, carton can only use once about about 30 meters just discarded useless, be unfavorable for environmental protection and resources circulation; In addition, the crown that exposes outside packing also causes scuffing easily, and also has certain potential safety hazard for children.
Chinese patent CN96229952.9, CN2005200474358 before the applicant, the design of the Wrapping case that open band cuts off among CN2005200478715, the CN200520006577X, in actual use, exist following two places to need improved: the one, need the larger power of cost could cut off preservative film, there is problem not light and handy when cutting off; The 2nd, can embedding stay in the knife rest because be cut off the top of preservative film, there is the problem of drawing the preservative film inconvenience.
Summary of the invention
For the problems referred to above that prior art exists, the purpose of this utility model provides a kind ofly can easily cut off preservative film, cuts off the preservative film operative installations that can pull out easily again preservative film behind the preservative film.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of preservative film operative installations comprises knife rest, cutter holder, handgrip and open and close device, wherein:
Described open and close device comprises top, bottom and attaching parts, described top is connected by attaching parts with the middle rear end of bottom, the rear end on top is upturned, when the rear end on top applies a downward power, the front end on top just as fan two ends, the left and right sides is upwards opened simultaneously, when not having External Force Acting, the front end on top is the original position that two ends, the left and right sides are returned to the bottom simultaneously downwards;
Described knife rest be fixed on the top front end below, described cutter holder be fixed on open and close device bottom front end above; Built-in preservative film can stretch from the outlet in the middle of the open and close device bottom, forward by above the cutter holder and knife rest below, be pulled out to the outside of this device;
Described knife rest comprises serrated knife, solid cutter groove, helps stripping and slicing, and described crown and is crown and is fixed on downwards in the solid cutter groove on the edge of a knife, and described to help stripping and slicing be to help the point of contact to be arranged in a gap the both sides of described serrated knife downwards;
Described cutter holder comprises an elongated slot and several short grooves, and described elongated slot opening upwards is fixed on the bottom of open and close device, and described short channel opening upwards is close to the elongated slot bar, is arranged in the both sides of elongated slot;
Described serrated knife fixed-direction is parallel with described elongated slot fixed-direction, and described short groove fixed-direction elongated slot fixed-direction is not parallel or at an angle;
When the front end on the top of described open and close device did not upwards leave the front end of bottom, serrated knife helped stripping and slicing in short notch in long rabbet;
The edge of a knife of described serrated knife is contour or not contour shape, describedly helps stripping and slicing to be arranged in the shape corresponding or identical with the edge of a knife of serrated knife; Described crown is not less than and helps the point of contact, and the top is arranged by several indefinite form profiles of tooth and formed on the described elongated slot, and described handgrip in the form of sheets and be fixed in the below on open and close device top.
More preferably, the shape on top is not identical on the shape of the edge of a knife of described serrated knife and the described elongated slot.
Preferably, described indefinite form profile of tooth is the profile of tooth of straight flange and hypotenuse or the profile of tooth of PSX.
Preferably, the described edge of a knife is arranged by several semispheres, PSX triangle or not contour oblique type and is formed.
More preferably, described not contour be shaped as V-arrangement low between the low oblique type of an end height and the other end, two end senior middle schools or two ends low in the middle of high inverted V-shaped.
Preferably, the top is not less than top on the elongated slot under the described solid cutter groove.
Preferably, described handgrip is the horizontally set of fore-and-aft direction; And be positioned at the top in the middle of the back of described knife rest, the described outlet.
The utility model has the advantages that: in the downward pressing of front end on the top of open and close device, simultaneously horizontal ground moves downwards although knife rest is two ends, the left and right sides,, because serrated knife is non-levelly to have height that low shape is arranged, add that the top also is to have height that low non-level shape is arranged on the elongated slot, having height low serrated knife to be arranged when having height to have on the low elongated slot top level fall, is that some low point of contact and crowns of helping drop to first on the high elongated slot in position on the top; Because help the point of contact that helps of stripping and slicing to be lower than crown, these drop to top on the elongated slot help the point of contact respectively from the elongated slot the both sides on top, be inserted in the short notch of short groove of elongated slot both sides simultaneously, because these help the downward operation at point of contact, preservative film below helping the point of contact, on the elongated slot above the top can be stretched unsettled downwards and is tightened on the elongated slot on the top; Simultaneously, along with the continuation of knife rest moves downwards, crown begins to be inserted in the preservative film of having tightened, help stripping and slicing be from low to high successively respectively on elongated slot the top tighten preservative film, the crown of serrated knife be from low to high successively respectively on elongated slot the top be inserted in the preservative film of tightening, when knife rest was pressed onto the end, serrated knife all entered in the long rabbet, and namely serrated knife all easily cuts off the preservative film on the long rabbet from low to high.
Cut preservative film top can be embedded in helping in the stripping and slicing of serrated knife back, when again upwards opening open and close device, preservative film can upwards pull out automatically along with the stripping and slicing that helps of top front end, the user can be pulled outwardly out with preservative film as long as catch preservative film with two fingers on the two sides of handgrip easily.
When being pulled outwardly preservative film, the user can be pulled outwardly out between knife rest and cutter holder with the handgrip preservative film relievedly, with when pulling preservative film, helps stripping and slicing because crown is not less than, crown is to contract in the inside that helps stripping and slicing, and all can never injure in one's hands.
Description of drawings
Accompanying drawing 1 is the side generalized section of closing state under the preservative film operative installations that provides of the utility model,
Accompanying drawing 2 is positive sectional perspective position views that state is provided on the semisphere edge of a knife camber cutter holder preservative film that provides of the utility model,
Accompanying drawing 3 is that the partial-band section that state is provided on the semisphere edge of a knife camber cutter holder preservative film that provides of the utility model is faced the shape scheme drawing,
Accompanying drawing 4 is generalized sections of the side in the preservative film operative installations pressing that provides of the utility model,
Among the figure:
(10): knife rest, (11): serrated knife, (12): crown, (13): Gu the cutter groove, (14): Gu top under the cutter groove, (15): help stripping and slicing, (16): help the point of contact, (17): handgrip, (18): the edge of a knife,
(20): the cutter holder, (21): elongated slot, (22): top on the elongated slot, (23): the elongated slot bar, (24): long rabbet, (25): short groove, (26): short groove bar, (27): short notch,
(30): open and close device, (31): top, (32): bottom, (33): front end, (34): rear end, (35): attaching parts, (36): preservative film, (37): Wrapping case, (38): freshness-retaining film roll, (39): outlet.
The specific embodiment
For convenience of explanation, we define open and close device 30 is rectangular objects, and the end to end that size is long is vertically, and an end is left longitudinally, and the other end is right.The short end to end of size is that laterally a horizontal end is front end 33, and the other end is rear end 34.
The below specifies the preservative film operative installations concrete structure that the utility model provides with reference to the accompanying drawings.
With reference to accompanying drawing 1, accompanying drawing 1 is the side generalized section of closing state under this device.
Among Fig. 1: the top 31 of open and close device 30 is above bottom 32, and open and close device 30 is closed state.Attaching parts 35 links together them on the top 31 of open and close device 30 and the middle rear end of bottom 32, because the rear end 34 on top 31 is upturned, if 31 rear end 34 applies a downward power on top, the front end 33 on top 31 can upwards leave the front end 33 of bottom 32, and open and close device 30 just is the state of opening.
Knife rest 10 be fixed on top 31 front ends 33 below, knife rest 10 comprises serrated knife 11, solid cutter groove 13, helps stripping and slicing 15, serrated knife 11 is that crown 12 is fixed on downwards in the solid cutter groove 13, all strippings and slicings 15 that help are to help point of contact 16 to be arranged in a gap the both sides of serrated knife 11 downwards.
When the front end 33 on the top 31 of open and close device 30 did not upwards leave bottom 32 front ends 33, serrated knife 11 was to be inserted in the long rabbet 24, and helping stripping and slicing 15 is to be inserted in the short notch 27.
Because serrated knife 11 will be inserted in the long rabbet 24, and solid cutter groove 13 can not be inserted in the long rabbet 24, and top 14 is not less than top 22 on the elongated slot under the solid cutter groove at same position, Gu under the cutter groove on the shape on top 14 and the elongated slot shape on top 22 opposite.
With reference to accompanying drawing 2 and Fig. 3, accompanying drawing 2 is the positive sectional perspective position views that open state on this device, and accompanying drawing 3 is that the partial-band section that opens state on this device is faced the shape scheme drawing.
Among Fig. 2: open and close device 30 open open in, because open and close device 30 is opened such as fan-shaped, a no small strip shape space is arranged between the front end 33 on top 31 and the front end 33 of bottom 32, stretch the outlet 39 of preservative film 36 from open and close device 30 bottoms 32, forward by above the cutter holder 20 and knife rest 10 below, between knife rest 10 and cutter holder 20, be pulled out to the outside of this device.
Serrated knife 11 curved arrangements by several semispheres, PSX triangle or not contour oblique type form, and described not contour oblique type is V-arrangement or the low middle high inverted V-shaped of two ends low between the low oblique type of an end height and the other end, two end senior middle schools; Crown 12 is that pointed end is arranged on the edge of a knife 18, helps stripping and slicing 15 also to be arranged in same shape, and crown 12 is not less than and helps point of contact 16, and what be lower than crown 12 helps point of contact 16, can prevent that finger from being injured by crown 12.
Among Fig. 3, top 22 is horizontal on the elongated slot, all short grooves 25 are to lack notch 27 to make progress, lack the both sides that groove bar 26 is close to elongated slot bar 24, is arranged in elongated slot 21, because the support of short groove 25 is arranged, long and narrow elongated slot 21 can stand large pressure, because the existence of short groove 25 is arranged, help stripping and slicing 15 preservative film 36 to be stretched on the both sides of elongated slot 21 downwards and tighten.
With reference to accompanying drawing 4, accompanying drawing 4 is generalized sections of the side in the pressing of this device.
Among Fig. 4: in the front end 33 downward pressings on the top 31 of open and close device 30, although knife rest 10 is the simultaneously operations downwards of two ends, the left and right sides,, because the edge of a knife 18 of serrated knife 11 is to be arranged by several semispheres with crown 12 to form, it is low that crown 12 has height to have, top 22 is curved on the elongated slot, to have height to have low on top 22 on the elongated slot, in knife rest 10 and serrated knife 11 levels whereabouts, not every crown 12 contact with top 22 on the elongated slot simultaneously, be on some edges of a knife 18 crown 12 with help point of contact 16 to drop to first on the high elongated slot in position on the top 22; Because help the point of contact 16 that helps of stripping and slicing 15 to be lower than crown 12, what these dropped to top 22 on the elongated slot helps point of contact 16 respectively from the both sides of elongated slot 21, be inserted in the short notch 27 simultaneously, because these help the downward operation at point of contact 16, these are the preservative film 36 on the top 22 below helping point of contact 16, on the elongated slot, can be stretched unsettled downwards and is tightened on the elongated slot on the top 22; Simultaneously, downward operation along with knife rest 10, crown 12 begins to be inserted in the preservative film 36 of having tightened, helping stripping and slicing 15 is successively on the top on the elongated slot 22 preservative film 36 on the long rabbet 24 to be tightened respectively from low to high, the crown 12 of serrated knife 11 be respectively on elongated slot from high to low top 22 be inserted in the preservative film 36 of tightening, when knife rest 10 is pressed onto the end, serrated knife 11 all is inserted in the long rabbet 24, and namely serrated knife 11 all easily cuts off the preservative film 36 on the long rabbet 24 from high to low successively.
Be necessary at last in this explanation to be: above embodiment only is used for the technical solution of the utility model is described in more detail; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement and adjustment that those skilled in the art makes according to foregoing of the present utility model all belong to protection domain of the present utility model.
Claims (7)
1. preservative film operative installations,, comprise knife rest, cutter holder, handgrip and open and close device, wherein:
Described open and close device comprises top, bottom and attaching parts, and described top is connected by attaching parts with the middle rear end of bottom, and the rear end on top is upturned; Described knife rest be fixed on the top front end below, described cutter holder be fixed on open and close device bottom front end above;
Described knife rest comprises serrated knife, solid cutter groove, helps stripping and slicing, and described crown is on the edge of a knife, and described serrated knife is that crown is fixed on downwards in the solid cutter groove, and described to help stripping and slicing be along helping the point of contact to be arranged in a gap the both sides of serrated knife downwards;
Described cutter holder comprises the short groove of an elongated slot and several, and described elongated slot is the bottom that opening upwards is fixed on described open and close device, and described short groove is that opening upwards is close to the elongated slot bar, is arranged in the both sides of elongated slot;
Described serrated knife fixed-direction is parallel with described elongated slot fixed-direction, and described short groove fixed-direction elongated slot fixed-direction is not parallel or at an angle;
When the front end on the top of described open and close device did not upwards leave the front end of bottom, serrated knife helped stripping and slicing in short notch in long rabbet;
It is characterized in that: the edge of a knife of described serrated knife is not contour shape, describedly helps stripping and slicing to be arranged in the shape corresponding or identical with the edge of a knife of serrated knife; Described crown is not less than and helps the point of contact, and the top is arranged by several indefinite form profiles of tooth and formed on the described elongated slot, and described handgrip in the form of sheets and be fixed in the below on open and close device top.
2. preservative film operative installations according to claim 1 is characterized in that: the shape on top is different on the shape of the edge of a knife of described serrated knife and the described elongated slot.
3. preservative film operative installations according to claim 1, it is characterized in that: described indefinite form profile of tooth is the profile of tooth of straight flange and hypotenuse or the profile of tooth of PSX.
4. preservative film operative installations according to claim 1 is characterized in that: the described edge of a knife is arranged by several semispheres, PSX triangle or not contour oblique type and is formed.
5. preservative film operative installations according to claim 1 is characterized in that: described not contour be shaped as V-arrangement low between the low oblique type of an end height and the other end, two end senior middle schools or two ends low in the middle of high inverted V-shaped.
6. arbitrary described preservative film operative installations according to claim 1～5 is characterized in that: the top is not less than top on the elongated slot under the described solid cutter groove.
7. described preservative film operative installations according to claim 1～5, it is characterized in that: described handgrip is the horizontally set of fore-and-aft direction; And be positioned at the top in the middle of the back of described knife rest, the described outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376125 CN202808008U (en) | 2012-07-30 | 2012-07-30 | Preservative film use device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376125 CN202808008U (en) | 2012-07-30 | 2012-07-30 | Preservative film use device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808008U true CN202808008U (en) | 2013-03-20 |
Family
ID=47866929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376125 Expired - Fee Related CN202808008U (en) | 2012-07-30 | 2012-07-30 | Preservative film use device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202808008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569764A (en) * | 2012-07-30 | 2014-02-12 | 上海宏曲电子科技有限公司 | Double-slope-type preservative film using device with toothed knife support |
-
2012
- 2012-07-30 CN CN 201220376125 patent/CN202808008U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569764A (en) * | 2012-07-30 | 2014-02-12 | 上海宏曲电子科技有限公司 | Double-slope-type preservative film using device with toothed knife support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130730 |