CN214818709U - Cutting knife is accomodate to safe type - Google Patents
Cutting knife is accomodate to safe type Download PDFInfo
- Publication number
- CN214818709U CN214818709U CN202121411815.0U CN202121411815U CN214818709U CN 214818709 U CN214818709 U CN 214818709U CN 202121411815 U CN202121411815 U CN 202121411815U CN 214818709 U CN214818709 U CN 214818709U
- Authority
- CN
- China
- Prior art keywords
- sliding
- blade
- knife
- elastic plate
- positioning
- 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.)
- Active
Links
Images
Abstract
The utility model provides a safe storage cutting knife, which comprises a knife shell, a sliding knife rest and a blade; the cutter shell is provided with a slideway, the sliding cutter rest is arranged in the slideway in a sliding manner, and the blade is arranged on the sliding cutter rest; the sliding knife rest is provided with an elastic plate, the rear end of the elastic plate is connected with the rear end of the sliding knife rest, the front end of the elastic plate is provided with a tenon, the elastic plate is inclined, two sides of the upper slide way of the knife shell are respectively provided with a plurality of positioning mortises at intervals, and the sliding knife rest is locked by the engagement of the tenons and the positioning mortises; when the elastic plate is pressed by fingers to be separated from the positioning tenon, the sliding knife rest can be pushed along the slide way until the tenon corresponds to the positioning mortise at another position, and the fingers release the elastic plate to enable the tenon to be meshed with the positioning mortise so as to realize the displacement of the blade on the sliding knife rest; the knife shell is provided with a plurality of positioning mortises which can facilitate the adjustment of the extension length of the blade. The utility model discloses a play sword of this cutting knife, draw in convenient, succinct, the one hand is easily operated, the action is quick elegant, easily carries, uses safelyr.
Description
Technical Field
The utility model belongs to the technical field of daily necessities, concretely relates to cutting knife is accomodate to safe type.
Background
Most of the existing safety belt cutters, box opening knives, cutting knives and the like are provided with convex cutting edges or are replaced by art designing knives, and blades of the safety belt cutters, the box opening knives, the cutting knives and the like are easy to break, long in knife body, difficult to carry and dangerous.
SUMMERY OF THE UTILITY MODEL
There is not safe and convenient problem inadequately to use to current cutting knife, the utility model provides a cutting knife is accomodate to safe type, the play sword of this cutting knife, draw in conveniently, succinctly, and one-hand easy operation, action are elegant fast, easily carry, use safelyr.
The utility model discloses a following technical scheme realizes:
a safe storage cutting knife comprises a knife shell, a sliding knife rest and a blade;
the cutter shell is provided with a slideway, the sliding cutter rest is arranged in the slideway in a sliding manner, the blade is arranged on the sliding cutter rest, and the blade is controlled to enter and exit the cutter shell through the sliding cutter rest;
the elastic plate is arranged on the sliding knife rest, the rear end of the elastic plate is connected with the rear end of the sliding knife rest, a tenon is arranged at the front end of the elastic plate, the elastic plate is inclined, the front end of the elastic plate is higher than the rear end of the elastic plate, the elastic plate forms an elastic mechanism on the sliding knife rest through the structure, a plurality of positioning mortises are respectively arranged on two sides of a slide way on the knife shell at intervals, and the tenon is meshed with the positioning mortises to lock the sliding knife rest; specifically, when the elastic plate is pressed by fingers, the tenon can be pressed downwards to separate the tenon from the positioning mortise, and when the elastic plate is loosened by the fingers, the tenon is restored upwards to be meshed with the positioning mortise; when the elastic plate is pressed by fingers to be separated from the positioning tenon, the sliding knife rest can be pushed along the slide way until the tenon corresponds to the positioning mortise at another position, and the fingers release the elastic plate to enable the tenon to be meshed with the positioning mortise so as to realize the displacement of the blade on the sliding knife rest; the knife shell is provided with a plurality of positioning mortises which can facilitate the adjustment of the extension length of the blade.
Further inject, the both sides wall of slide all is equipped with the spout on the sword shell, the both sides of slip knife rest all are equipped with slider portion, and the corresponding spout is gone into to slider portion card on the slip knife rest, and slider portion and spout sliding fit, and this kind of structure can improve the stability when slip knife rest removes along the slide.
Further limiting, a cutter groove is formed in the bottom side of the sliding cutter frame, a blade is installed in the cutter groove, a plurality of positioning guide beads are arranged at the bottom of a slide way on the cutter shell, and the blade is supported and guided to move through the plurality of positioning guide beads; specifically, the blade is arranged between the positioning guide bead and the knife groove of the sliding knife rest, the top surface of the blade is in contact with the top wall surface of the knife groove, the bottom surface of the blade is in rolling contact with the positioning guide bead, and when the blade moves along with the sliding knife rest, the positioning guide bead rolls and guides the blade to discharge or retract; specifically, the positioning guide balls are made of rigid wear-resistant materials, the number and the positions of the positioning guide balls are determined according to the shape and the size of the blade on the sliding blade carrier, and a plurality of positioning guide balls are ensured to support the blade and guide the blade to be fed or retracted.
Further limiting, a positioning groove is formed in the blade, a positioning block is arranged in the cutter groove of the sliding cutter frame, the positioning groove is clamped with the positioning block when the blade is installed in the cutter groove, and therefore the blade and the sliding cutter frame are fixed relatively, the blade can move along with the sliding cutter frame, the blade and the sliding cutter frame are in relative rest, and the blade portion of the blade can be protected from being abraded due to sliding friction.
Further limiting, a tension groove is hollowed in the bottom of the slide way on the knife shell, safety pins are arranged at the end parts of the two slide ways on the knife shell, specifically, the safety pins are protruding parts arranged at the end parts of the slide ways to reduce the size of an opening between the two slide ways, the distance of a valve between the two safety pins is smaller than the size of the opening between the two slide ways, when a sliding block part on the sliding knife rest moves in the slide ways, the tenon at the front end of the elastic plate touches the safety pins to obtain the maximum knife-out length, and the safety pins can prevent the sliding knife rest from automatically separating out of the slide way; when the external thrust to the elastic plate is increased by fingers, the sliding knife rest is continuously pushed outwards, the tenon pushes the safety pin to expand outwards under the action of external force, the tension groove on the knife shell deforms elastically, and the sliding knife rest can be separated from the slide way on the premise of safe control of the external force, so that the blades can be assembled and disassembled.
Further, the tension groove is a Y-shaped groove, and can also be extended to hollow tension grooves with other shapes.
Further, the section of the elastic plate is corrugated, so that the friction force between a finger and the elastic plate is increased, and the section of the elastic plate can be extended to other shapes based on the requirement of increasing the friction force between the finger and the elastic plate; when the elastic plate is pressed by fingers to be separated from the positioning tenon, the sliding tool rest can be easily pushed by the fingers based on the friction force between the fingers and the surface of the elastic plate; when the knife is retracted, the elastic plate is pressed by fingers to separate the tenon from the positioning mortise, and the sliding knife rest is pushed by the friction force between the fingers and the surface of the elastic plate to retract the blade into the knife shell.
According to the above technical scheme, the utility model provides a pair of cutting knife is accomodate to safe type, beneficial effect lies in: the cutter is convenient and simple to draw out and furl, is easy to operate by one hand, has quick and elegant action, is easy to carry and is safer to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the present invention.
Fig. 3 is a schematic view of the mounting structure of the middle blade of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a partial sectional view taken in the direction of a-a in fig. 4.
Fig. 6 is a partial sectional view taken in the direction B-B in fig. 4.
In the drawings: 1-knife shell, 2-sliding knife rest, 3-blade, 4-slideway, 5-sliding groove, 6-sliding block part, 7-knife groove, 8-positioning guide ball, 9-elastic plate, 10-tenon, 11-positioning mortise, 12-positioning groove, 13-positioning block, 14-tension groove and 15-safety pin.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 6, a safety storage cutter comprises a cutter shell 1, a sliding cutter holder 2 and a blade 3;
the structure is characterized in that a slide way 4 is arranged on the knife shell 1, sliding grooves 5 are formed in two side walls of the slide way 4 on the knife shell 1, sliding block parts 6 are arranged on two sides of the sliding knife rest 2, the sliding block parts 6 on the sliding knife rest 2 are clamped into the corresponding sliding grooves 5, and the sliding block parts 6 are in sliding fit with the sliding grooves 5;
the blade 3 is arranged on the sliding tool rest 2, and the sliding tool rest 2 controls the blade 3 to enter and exit the tool shell 1; specifically, a knife groove 7 is arranged on the bottom side of the sliding knife rest 2, the blade 3 is installed in the knife groove 7, a plurality of positioning guide beads 8 are arranged at the bottom of the slideway 4 on the knife shell 1, and the blade 3 is supported and guided to move through the plurality of positioning guide beads 8; specifically, the blade 3 is installed between the positioning guide bead 8 and the knife groove 7 of the sliding knife rest 2, the top surface of the blade 3 is in contact with the top wall surface of the knife groove 7, the bottom surface of the blade 3 is in rolling contact with the positioning guide bead 8, and when the blade 3 moves along with the sliding knife rest 2, the positioning guide bead 8 rolls and guides the blade 3 to move out of or retract into a knife; specifically, the positioning guide beads 8 are made of rigid wear-resistant materials, and the number and the positions of the positioning guide beads 8 are determined according to the shape and the size of the blade 3 on the sliding tool rest 2, so that the plurality of positioning guide beads 8 can support the blade 3 and guide the blade 3 to go out of or take in;
the elastic plate 9 is arranged on the sliding knife rest 2, the rear end of the elastic plate 9 is connected with the rear end of the sliding knife rest 2, the tenon 10 is arranged at the front end of the elastic plate 9, the elastic plate 9 is inclined, the front end of the elastic plate 9 is higher than the rear end of the elastic plate, the elastic plate 9 forms an elastic mechanism on the sliding knife rest 2 through the structure, a plurality of positioning mortises 11 are respectively arranged at intervals on two sides of the slide way 4 on the knife shell 1, and the tenon 10 is meshed with the positioning mortises 11 to lock the sliding knife rest 2; specifically, when the elastic plate 9 is pressed by fingers, the tenon 10 can be pressed downwards to separate the tenon 10 from the positioning mortise 11, and when the elastic plate 9 is loosened by the fingers, the tenon 10 is restored upwards to engage the tenon 10 with the positioning mortise 11; when the elastic plate 9 is pressed by fingers to be separated from the positioning tenon 10, the sliding knife rest 2 can be pushed along the slide way 4 until the tenon 10 corresponds to the positioning mortise 11 at another position, and then the elastic plate 9 is released by the fingers to ensure that the tenon 10 is meshed with the positioning mortise 11, so that the displacement of the blade 3 on the sliding knife rest 2 is realized; the knife shell 1 is provided with a plurality of positioning mortises 11 which can facilitate the adjustment of the extending length of the blade 3.
In this embodiment, the positioning groove 12 is disposed on the blade 3, the positioning block 13 is disposed in the knife slot 7 of the sliding knife rest 2, and the positioning groove 12 is engaged with the positioning block 13 when the blade 3 is installed in the knife slot 7, so that the blade 3 and the sliding knife rest 2 are relatively fixed, the blade 3 can move along with the sliding knife rest 2, and the blade 3 and the sliding knife rest 2 are relatively stationary, so as to protect the blade portion of the blade 3 from being worn due to sliding friction.
In this embodiment, the bottom of the slideway 4 on the knife housing 1 is provided with a hollow tension groove 14, and the tension groove 14 is a Y-shaped groove, and can also be extended to hollow tension grooves 14 with other shapes; safety pins 15 are arranged at the end parts of the two sliding grooves 5 on the knife shell 1, specifically, the safety pins 15 are protruding parts arranged at the end parts of the sliding grooves 5 so as to reduce the size of an opening between the two sliding grooves 5, the distance of a valve between the two safety pins 15 is smaller than the size of the opening between the two sliding grooves 5, when the sliding block part 6 on the sliding knife rest 2 moves in the sliding groove 5, the tenon 10 at the front end of the elastic plate 9 touches the safety pins 15, namely the maximum knife-out length is obtained, and the safety pins 15 can prevent the sliding knife rest 2 from automatically separating out of the sliding way 4; when the external pushing force on the elastic plate 9 is increased by fingers, the sliding knife rest 2 is continuously pushed outwards, the tenon 10 pushes the safety pin 15 to expand outwards under the action of external force, the tension groove 14 on the knife shell 1 is elastically deformed, and the sliding knife rest 2 can be separated from the slide way 4 on the premise of safe control of the external force, so that the blade 3 can be assembled and disassembled.
In this embodiment, the section of the elastic plate 9 is corrugated, and when the elastic plate 9 is pressed by a finger to be separated from the positioning tenon 10, the sliding tool holder 2 can be easily pushed by the finger based on the friction between the finger and the corrugated surface of the elastic plate 9; when the knife is retracted, the elastic plate 9 is pressed by fingers, the tenon 10 is separated from the positioning mortise 11, and the sliding knife rest 2 is pushed by the friction force between the fingers and the corrugated surface of the elastic plate 9, so that the blade 3 is retracted into the knife shell 1.
The working principle of the embodiment is as follows: when the knife is not taken out in a normal state, the sliding knife rest 2 with the blade 3 is positioned in the upper slideway 4 of the knife shell 1, and the tenon 10 is occluded with the positioning mortise 11 under the elastic action of the elastic plate 9, so that the sliding knife rest 2 and the blade 3 are locked; when the cutter is taken out, the elastic plate 9 is pressed by fingers, the tenon 10 is separated from the positioning mortise 11 downwards, the tenon 10 enters the sliding groove 5, the sliding tool rest 2 is pushed by the friction force between the fingers and the corrugated surface of the elastic plate 9, the sliding tool rest 2 slides outwards, the blade 3 slides along with the sliding tool rest 2, the blade 3 extends out of the tool case 1, and after the tenon 10 moves to a certain position and corresponds to the positioning mortise 11, the elastic plate 9 is released by the fingers, the tenon 10 is meshed with the positioning mortise 11, and the blade 3 is locked; the cutter shell 1 is provided with a plurality of positioning mortises 11 which can facilitate the adjustment of the extending length of the blade 3; when the cutter is retracted, the elastic plate 9 is pressed by fingers, the tenon 10 is separated from the positioning mortise 11 downwards, the tenon 10 enters the sliding groove 5, the sliding tool rest 2 is pushed by the friction force between the fingers and the corrugated surface of the elastic plate 9, the sliding tool rest 2 slides inwards, the blade 3 slides along with the sliding tool rest 2, the blade 3 is retracted into the cutter shell 1, and after the tenon 10 moves to a certain position and corresponds to the positioning mortise 11, the elastic plate 9 is released by the fingers, the tenon 10 is meshed with the positioning mortise 11, and the blade 3 is locked. The cutter is convenient and simple to draw out and furl, is easy to operate by one hand, has quick and elegant action, is easy to carry and is safer to use.
Claims (7)
1. The utility model provides a cutting knife is accomodate to safe type which characterized in that: comprises a knife shell, a sliding knife rest and a knife blade;
the cutter shell is provided with a slideway, the sliding cutter rest is arranged in the slideway in a sliding manner, and the blade is arranged on the sliding cutter rest;
be equipped with the elastic plate on the slip knife rest, the rear end of elastic plate links to each other with the rear end of slip knife rest, the front end is equipped with the tenon, and the elastic plate is the slope form, and the front end of elastic plate is higher than its rear end, and the equal division of passageway both sides is equipped with a plurality of location tongue-and-grooves on the sword shell, through tenon and location tongue-and-groove interlock in order to lock the slip knife rest.
2. The safety storage cutter according to claim 1, wherein: the both sides wall of slide all is equipped with the spout on the sword shell, and the both sides of slip knife rest all are equipped with slider portion, and the corresponding spout is gone into to slider portion card on the slip knife rest, and slider portion and spout sliding fit.
3. The safety storage cutter according to claim 2, wherein: the bottom fretwork of slide is equipped with the tension groove on the sword shell, and the tip department that lies in two spouts on the sword shell all is equipped with the safety catch, and the valve distance between two safety catches is less than the opening size between two spouts.
4. The safety storage cutter according to claim 3, wherein: the tension groove is a Y-shaped groove.
5. The safety storage cutter according to claim 1, wherein: the bottom side of the sliding knife rest is provided with a knife groove, the blade is arranged in the knife groove, the bottom of the slide way on the knife shell is provided with a plurality of positioning guide beads, and the blade is supported and guided to move through the plurality of positioning guide beads.
6. The safety storage cutter according to claim 5, wherein: the blade is provided with a positioning groove, a positioning block is arranged in the cutter groove of the sliding cutter frame, and the positioning groove is clamped with the positioning block when the blade is arranged in the cutter groove.
7. The safety storage cutter according to any one of claims 1 to 6, wherein: the section of the elastic plate is corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411815.0U CN214818709U (en) | 2021-06-24 | 2021-06-24 | Cutting knife is accomodate to safe type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411815.0U CN214818709U (en) | 2021-06-24 | 2021-06-24 | Cutting knife is accomodate to safe type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214818709U true CN214818709U (en) | 2021-11-23 |
Family
ID=78809746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121411815.0U Active CN214818709U (en) | 2021-06-24 | 2021-06-24 | Cutting knife is accomodate to safe type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214818709U (en) |
-
2021
- 2021-06-24 CN CN202121411815.0U patent/CN214818709U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203171652U (en) | Safe cutting knife | |
| EP2700482B1 (en) | Box cutter with retractable blade | |
| CN101163575B (en) | Releasable blade locking mechanism for utility knife | |
| US8595941B2 (en) | Assisted-opening knife | |
| US8769826B2 (en) | Cutting device | |
| CN102497957A (en) | Blade scabbard, sharpener and sharpening cassette | |
| RO120961B1 (en) | Razor system including handle and replaceable cartridge | |
| CN104768717A (en) | Knife | |
| EP0048077B1 (en) | Refillable blade type knife | |
| CN102264256A (en) | Nail clippers | |
| CN214818709U (en) | Cutting knife is accomodate to safe type | |
| CN201357417Y (en) | Locking mechanism of clasp knife | |
| CN110228084B (en) | Trigger cutter | |
| CN219095191U (en) | Side direction push button formula art designing sword | |
| CN211709371U (en) | Art designing knife | |
| CN213054913U (en) | Art designing knife capable of automatically rebounding | |
| CN212044831U (en) | Multipurpose knife | |
| CN217345572U (en) | Art designing knife capable of bidirectionally discharging knife | |
| CN210100066U (en) | Art designing knife | |
| CN217476005U (en) | Locking structure of telescopic cutter | |
| CN219705264U (en) | Art designing knife | |
| CN218614199U (en) | Art designing knife with simple locking structure | |
| CN211615680U (en) | Sheath, knife rest subassembly and art designer sword | |
| CN219027579U (en) | Art designing knife with locking structure | |
| KR102032689B1 (en) | Sharp pencil type cutter knife |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |