CN201848862U

CN201848862U - Telescopic cutter

Info

Publication number: CN201848862U
Application number: CN2010205066727U
Authority: CN
Inventors: 肖功宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-13
Filing date: 2010-08-13
Publication date: 2011-06-01
Anticipated expiration: 2020-08-13

Abstract

The utility model relates to a telescopic cutter. A blade of the telescopic cutter not only can easily extend out, but also can easily retract into a protective box. The tail end of the blade is stamped to form a hole. The blade is riveted with a rivet hole of a bottom plate. Concave-convex strips are arrayed on the surface of a groove box. The bottom of the groove box is a triangle groove. The groove box is provided with a rivet hole to be riveted with a handle. The front of a telescopic switch is provided with a handle. The tail of the telescopic switch is provided with a claw. Both wings of the telescopic switch are provided with symmetrical shaft holes. A transverse shaft is inserted into the two symmetrical shaft holes. When the blade needs to extend out, a finger presses down the handle so that the claw of the tail end is tilted and the blade extends out. When the blade extends to the required length, the finger is far away from the handle so that the claw is reset downwards into a brake groove. The upper part of a box frame is provided with a long port. Both waists are provided with symmetrical shaft holes. The box frame is sleeved on the symmetrical shaft holes on the both waists by a wing pin hole of the box frame. A wing pin is provided with two convex rivet strips which are inserted into two holes of a switching bottom plate to be riveted on the bottom plate. The end head of the switching bottom plate is provided with a rivet hole. The switching bottom plate is riveted with the tail of the blade. The middle of the bottom plate is provided with a bow space. Both ends of the bow space are curled upwards so that the switch is positioned for running in the groove box.

Description

A kind of flexible cutter

Technical field

The utility model relates to a kind of flexible cutter.

Flexible cutter is when using knife (blade), and blade is stretched out, with after can be contracted in and protect in the groove, avoid bare blade that pain of injury accident takes place.

Background technology

At present, known cutter is a lot, the cutter that kills that kitchen knife, hand papercutter, fruit knife, chopper is arranged and kill pig, sheep.But common conventional tool majority is the nude of in-line, and when using and not using, blade all exposes; without any safeguard measure to blade; people do not have the moment of general idea unavoidably, and sharp blade will scratch people's accident take place in that careless moment.Also have the blade of cutter to be provided with and protect box, as leather cutter box, but blade is what to separate with the cutter box, does not connect together, and uses with collection extremely inconvenient; The little cutter such as the hand papercutter that have, also useful blade and cutter box link together, and it is the termination at the cutter box, and a short horizontal is arranged, pass on the blade rear end circular hole, blade is made straight angle Unscrew along axle, but just cut paper uses, with finger grips blade back, back, force blade cycle cutter box, stretch with withdrawal and all very require great effort, thus injure easily, very dangerous.

Summary of the invention

Purpose of the present invention is the deficiency that is to overcome prior art, and a kind of flexible cutter is provided, and it is with low cost, make tube easily, generous attractive in appearance, it can lightly stretch out blade, can easily blade be shunk in protecting in the box again, firm during use, do not shake dead beat, do not have potential safety hazard, conveniently very much.

The utility model solves its technical problem, and the technical scheme of employing is:

1, blade is a strip, the punching press of blade tail end is porose, be connected with the rivet hole riveting of flexible switch baseplate, the utility model design by at the bottom of blade, concave and convex strip, handgrip, groove box, rivet, tooth bar, pawl card, handle, rivet hole, loop, spring head, spring tail, base plate, switch shaft, positioning sliding block, box frame, riveting bar, the vee gutter, stop piece, flexible switch, microscler mouth, axis hole, switch wing pin and form, blade is a strip, the punching press of blade tail end has rivet hole, be connected with the base plate rivet hole riveting of flexible switch, its flexible switch is a stretching motion in the groove box.2, groove box, strip, section does not have the ∪ word like groove, and rectangular upper surface is arranged with concavo-convex of symmetry, is the termination piece that the Eight characters upwarps apart from the about 5mm of front port, and at the bottom of the bottom surface was vee gutter along length, its centre punch had rivet hole, adopted rivet to be connected with handgrip.3, the flexible switch of blade, this is one of critical component of the present utility model, the front end of switch has handle, tail end is the pawl card, and there are both wings at the center, and wing pin has symmetrical holes, penetrate the strong point on transverse axis, the seesaw toy that the image child sits, when the needs blade stretched out use, finger was depressed handle, then tail end pawl card perk, along with finger is pushed ahead, blade stretches out, when the length of stretching out at needs, finger leaves handle, then the pawl card resets downwards, and in the raised line breaker slot that falls back, promptly blade can go, return or stop in the place of any needs in the groove box; It is microscler mouthful that switch enclosure frame, upper surface have, and two waists are symmetrical axis holes, and handle and pawl card are gone on the symmetry axis of two waists by its wing pin borehole jack, and wing pin has two riveting bars of protrusion, and two cylindrical voids that penetrate switch baseplate are riveted on the base plate; Switch baseplate, its end head has rivet hole, and it is that riveting is connected with hole on the blade tail, upwards make bow action in the middle of the base plate, make the bottom surface leave the space, allow two of flexible switch baseplate riveted joint to rivet bars, collisionless is without hindrance during operation, the crimping that arc both sides make progress, claim positioning sliding block, the flexible switch positioning trip in the groove box of order, not taking back takes over, suspend in mid air, unblocked.5, handgrip skids in order to prevent handgrip, one side handgrip is many tooth bars along what grow, one side the opposite is that one of loop connects one, therefore holding handgrip does not have the sense of skidding.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

1, Fig. 1 is that first example structure of the utility model is always schemed.

2, Fig. 2 is the flexible construction of switch schematic diagram of the utility model.

3, Fig. 3 is the flexible construction of switch schematic side view of the utility model.

4, Fig. 4 is that the flexible construction of switch master of the utility model looks schematic diagram.

3, Fig. 5 is the flexible switch baseplate structure elevational schematic view of first embodiment of the utility model.

4, Fig. 6 is first embodiment groove box structural representation of the utility model.

5, Fig. 7 is the box shelf structure schematic diagram of the flexible switch of first embodiment of the utility model.

6, Fig. 8 is the box frame expanded view of the flexible switch of first embodiment of the utility model.

22. microscler mouthfuls of 23. axis holes, 24. switch wing pin of 20. termination pieces, 21. flexible switches at the bottom of 1. blades, 2. concave and convex strips, 3. handgrips, 4. groove boxes, 5. rivets, 6. tooth bars, 7. pawl cards, 8. handles, 9. rivet holes, 10. blade backs, 11. loop, 12. spring head 13, spring tail 14. base plates 15. switch shafts 16. positioning sliding blocks 17. box framves 18. riveting bars 19. vee gutters among the figure

The specific embodiment

In Fig. 1, handgrip (3) is tooth bar (6) along long one side, one side face-off is loop (11), at long about center internal thread hole (5) and groove box (4) circular hole is arranged, connect with screw (5), flexible switch (21) is packed into along the hypotenuse of groove box (4) tail end, before handle (8) is contained in, after pawl card (7) is contained in, flexible switch (21) is in groove box (4) lining, makes retractable blade (1), moves forward and backward.

In Fig. 2, flexible switch (21) has two Ji pin (24), and symmetry has axis hole (23), by microscler mouthful (22) on the box frame (17), the switch shaft (15) of packing into, spring head (13) is the elastic force of handle (8) of upspringing, and its spring is by being wrapped on the switch shaft, suppress blade (1) from spring tail (12) in the bottom surface on; When needs blade (1) stretches out use, finger is depressed handle (8), then tail end pawl card (7) has been lifted up, along with finger is pushed ahead, blade (1) stretches out, when the length of stretching out at needs, finger leaves handle (8), then pawl card (7) resets downwards, falls back in the breaker slot of concave and convex strip (2), and promptly blade can go in the place of any needs in groove box (4) lining, return or stop.

In Fig. 3, flexible switch (21), spring tail (13) are to have pressed handle (8), and a few stretch to and be pressed in the spring head (12) of base plate (14) by going up winding at switch shaft (15).

In Fig. 4, the switch (21) that stretches, base plate (14) are like arc, and its arc both sides crimping is positioning sliding block (16) that upwards the flexible switch (21) of order is in groove box (4) lining setting movement, by two riveting bars (18) riveting connection base plate (14) lining of box frame (17).

In Fig. 5, base plate (14), its right-hand member head has rivet hole (9), be connected with the hole riveting of blade (1), left end is upwards like arching section, as a-a section (herein for overlooking), make the bottom surface leave the space, allow riveting bar (18) not prevent the stretching motion of the flexible switch (21) of evil, its arc both sides crimping upwards makes the switch (21) that stretches at groove box (4) lining positioning trip.

In Fig. 6, the tail end of groove box (4) is a hypotenuse, cooperates with handgrip (3), preceding head end is that blade (1) stretches out the limit, promptly stops piece (20), and concave and convex strip (2) is symmetrical, its bottom surface is (19) at the bottom of the vee gutter along length, makes blade (1) unblocked with the riveted holes convex epirelief of base plate (14).

In Fig. 7, box frame (17), center is the long degree of lip-rounding (22) above it, the axis hole (23) of the both wings pin (24) of flexible switch (21) is exactly from the long degree of lip-rounding (22) pack into spool (15), its base, center is riveting bar (18), passes from the cylindrical void of base plate (14), carries out the firm riveting of riveting bar and connects.

In Fig. 8, the expanded view of box frame (17) is the long degree of lip-rounding (22) above it, and axis hole (23) is symmetrical, and lowermost end is a symmetrical riveting bar (18), is connected with base plate (14) riveting bar (18).

Groove box, flexible switch are the utility model critical pieces, they are to adopt the mould punching press to make, and require the precision of cooperation higher, especially wherein handle, pawl card, box frame, base plate positioning sliding block, switch shaft all will cooperate more accurately, uses just harmonious; Groove box hypotenuse corresponding with the handgrip assembling, circular hole is that the screw riveting is connected with internal thread hole at the bottom of the handgrip in the middle of it.

Claims

1. flexible cutter, it is characterized in that: it is by blade (1), concave and convex strip (2), handgrip (3), groove box (4), rivet (5), tooth bar (6), pawl card (7), handle (8), rivet hole (9), loop (11), spring head (12), spring tail (13), base plate (14), switch shaft (15), positioning sliding block (16), box frame (17), riveting bar (18), at the bottom of the vee gutter (19), stop piece (20), flexible switch (21), microscler mouthful (22), axis hole (23), switch wing pin (24) is formed, blade (1) is a strip, the punching press of blade tail end has rivet hole (9), be connected with base plate (14) rivet hole (9) riveting of flexible switch (21), its flexible switch (21) is at groove box (4) lining stretching motion.