CN212763580U - Novel tool knife structure - Google Patents

Abstract

The utility model discloses a novel tool knife structure, which comprises a knife handle and a blade, wherein the knife handle is provided with a chute, the side wall of the chute is provided with a plurality of clamping positions, the rear end of the blade is provided with a sliding part which comprises a sliding plate, one side of the sliding plate is provided with a pressing block, a clamping part is arranged between the sliding plate and the pressing block, the inner side wall of the pressing block is fixedly connected with a connecting shaft which is fixedly connected with a gear block, the movable clamping of the gear block realizes the adjustment of the extension length of the blade in the clamping position, the utility model separates the gear block from the clamping position by pressing the pressing block, so that a user can operate the sliding part to adjust the extension or contraction of the blade in the knife handle, and the gear block is clamped with the clamping position again by the clamping, thereby can pinpoint the extension length of blade to even through long-term the use, also can keep closely conflicting between each part, avoided the blade in the inside rocking of handle of a knife.

Description

Novel tool knife structure

Technical Field

The utility model relates to an art designing cutter technical field specifically is a novel instrument sword structure.

Background

The clamping form of the existing art designing knife cannot be used for tight thread joint, when the traditional art designing knife is used, the blade is thin and can shake in the knife handle, the shaking amplitude is large, when an object is cut by using the existing art designing knife, the blade can generate large deviation after being stressed, and a straight line shape cannot be sawed; after long-term use, all parts are easy to wear and cannot be tightly collided, so that the blade slides out of the knife handle at any time to cause accidental injury, potential safety hazards are formed, and the common structure art designing knife is possibly opened by mistake in a carrying state and is unsafe to stretch out the blade; in addition, the back clamp of the existing art knife exerts clamping elasticity through self deformation, and the back clamp is easy to damage after long-term use, so a novel tool knife structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel instrument sword structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel instrument sword structure, includes handle of a knife and blade, it has the spout to open on the handle of a knife, it has a plurality of joint positions to open with linear array's form on the lateral wall of spout, the rear end of blade is equipped with the slider, the slider is including the slide of laminating on the lateral wall of blade rear end, one side of slide is equipped with presses the briquetting, slide and press and be equipped with joint spare between the briquetting, press fixedly connected with connecting axle on the inside wall of briquetting, the connecting axle is kept away from the one end of pressing the briquetting and is run through slide, blade and fixedly connected with gear piece in proper order, gear piece activity joint realizes adjusting blade's the length that stretches out in the inside of joint position.

Preferably, the clamping piece adopts an elastic first spring, two ends of the first spring are respectively connected to the side walls of the sliding plate and the pressing block, and the number of the first springs is single or multiple.

Preferably, the clamping piece adopts a magnetic permanent magnet, and the permanent magnets are respectively attached to the side walls of the sliding plate and the pressing block in a homopolar opposite mode.

Preferably, be equipped with the locking mechanism on the rear end lateral wall of handle of a knife, the locking mechanism is including fixing at handle of a knife lateral wall upper fixed plate, sliding connection has the spring bolt between the lateral wall of fixed plate and handle of a knife, the one end activity joint of spring bolt is between pressing block and slide, fixedly connected with push rod on the lateral wall of spring bolt, the lateral wall of fixed plate is run through and extends to its outside in the outer end of push rod, there is the card ball inside of handle of a knife through second spring sliding connection, it has the draw-in groove to open on the lateral wall of spring bolt, card ball activity joint is in the inside of draw-in groove.

Preferably, the base is fixedly connected to the side wall of the rear end of the knife handle, the back clamp is rotatably connected to the base through a screw, and a third spring is arranged between the back clamp and the side wall of the knife handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a press down the pressing block, make gear piece and joint position break away from, let user's operation slider adjust the blade and stretch out or shrink in the handle of a knife to make gear piece and joint position joint back again through joint spare, thereby can pinpoint the extension length of blade, and even through long-term the use, also can keep closely contradicting between each part, avoided the blade to rock in the handle of a knife is inside, thereby make the cutting more accurate.

2. The utility model discloses a lock dead structure can fix the button completely under the closed state and make it can't push down, namely after the gear piece joint is on the joint position of rearmost end, slide the spring bolt forward through the push rod to make the spring bolt support between slide and press the piece, cause the press piece can't press inwards, like this, can lock the blade in the inside of handle of a knife, the blade also can't stretch out, carry safer, avoid the outside of blade roll-off handle of a knife to cause the accidental injury, relieve the potential safety hazard;

3. the utility model discloses a screw rod is connected the back splint on the handle of a knife, and exerts the elasticity of clamping through the spring to the back splint to make the clamping effect better, avoid the back splint to use deformation damage after for a long time.

Drawings

Fig. 1 is a schematic view of the overall opening structure of the present invention;

fig. 2 is a schematic view of the overall closed structure of the present invention;

FIG. 3 is an explosion diagram I of the knife handle, the blade, the chute, the pressing block and the gear block;

FIG. 4 is an exploded view II of the handle, blade, chute, pressing block and gear block of the present invention;

FIG. 5 is an exploded view III of the handle, blade, chute, pressing block and gear block of the present invention;

FIG. 6 is an exploded view IV of the handle, blade, chute, pressing block and gear block of the present invention;

FIG. 7 is an exploded view of the handle, the back clip and the third spring of the present invention;

FIG. 8 is a schematic structural view of the knife handle, the back clip, the base and the screw rod of the present invention;

FIG. 9 is a cross-sectional view of the knife handle, the back clip and the third spring of the present invention;

fig. 10 is a cross-sectional view of the latch bolt, the slide plate, the gear block and the pressing block of the present invention;

fig. 11 is an exploded view of the handle, the locking mechanism, the gear block and the pressing block of the present invention.

In the figure: 1. the tool comprises a tool handle, 2, a blade, 3, a sliding groove, 301, a clamping position, 4, a sliding part, 401, a sliding plate, 402, a pressing block, 403, a clamping piece, 404, a connecting shaft, 405, a gear block, 4051, a clamping ring, 5, a first spring, 6, a permanent magnet, 7, a locking mechanism, 701, a fixing plate, 702, a bolt, 703, a push rod, 704, a second spring, 705, a clamping ball, 706, a clamping groove, 8, a base, 9, a screw rod, 10, a back clamp, 11, a third spring, 12 and an alloy cone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a novel tool knife structure comprises a knife handle 1 and a blade 2, as shown in figure 3, the tail part of the knife handle 1 is provided with a replaceable alloy cone 12, the alloy cone 12 can realize the cutting of glass, and can also be used as a window breaker in an emergency state in traffic accidents, the blade 2 plays a role in cutting objects, and the blade 2 can be processed into different shapes according to different purposes, such as: the blade 2 is common to the heavy-duty art knife blade of the japanese alice company, the heavy-duty art knife blade of the japanese alice company has a certain thickness (the blade 2 shown in fig. 1 is the heavy-duty art knife blade of the japanese alice company), the blade is arranged obliquely, and does not generate friction with the handle 1, so as to avoid the blade edge of the blade 2 from being worn and blunted, so that the compatibility of the blade 2 is improved, and the replaceable consumable is more easily obtained, the handle 1 is provided with a sliding groove 3, a plurality of clamping positions 301 are arranged on the side wall of the sliding groove 3 in a linear array manner, the rear end of the blade 2 is provided with a sliding part 4, the sliding part 4 controls the blade 2 to slide in the sliding groove 3, so that the blade 2 extends out or retracts into the handle 1, the sliding part 4 comprises a sliding plate 401 attached to the side wall of the rear end of the blade 2, one side of the sliding plate 401 is provided with a pressing, a clamping piece 403 is arranged between the sliding plate 401 and the pressing block 402, a connecting shaft 404 is fixedly connected to the inner side wall of the pressing block 402, one end of the connecting shaft 404, far away from the pressing block 402, sequentially penetrates through the sliding plate 401 and the blade 2 and is fixedly connected with a gear block 405, the gear block 405 can be meshed and connected with the end portion of the connecting shaft 404, so that the gear block 405, the connecting shaft 404 and the pressing block 402 are connected into a whole, when the pressing block 402 is driven to move, the connecting shaft 404 and the gear block 405 can move along with the pressing block 402, the gear block 405 is movably clamped inside the clamping position 301 to adjust the extension length of the blade 2, as shown in fig. 6, a clamping ring 4051 matched with the clamping position 301 is arranged at the inner end of the gear block 405, the diameter of the clamping block 4051 is equal to the aperture of the clamping position 301, and the aperture of the clamping position 301 is larger than the width of the sliding chute 3, therefore, when the clamping ring 4051(, the gear block 405 cannot slide inside the sliding groove 3, but when the snap ring 4051 is disengaged from the inside of the snap-fit position 301, the gear block 405 can move, and thus the movement and fixation of the control blade 2 are performed.

Specifically, the clamping member 403 is the first spring 5 with elasticity, two ends of the first spring 5 are respectively connected to the side walls of the sliding plate 401 and the pressing block 402, the number of the first springs 5 is one or more, as shown in fig. 4-5, the first spring 5 has a certain elasticity to the pressing block 402, when the pressing block 402 is pressed, the first spring 5 is compressed and deformed, and when the pressing block 402 is released, the pressing block 402 is rebounded and reset by the first spring 5.

Specifically, the clamping member 403 employs a magnetic permanent magnet 6, and the permanent magnets 6 are respectively attached to the side walls of the sliding plate 401 and the pressing block 402 in a manner that the same poles of the permanent magnets 6 are opposite, as shown in fig. 6, according to the principle that the two opposite permanent magnets 6 with the same poles of the two permanent magnets 6 can generate mutual repulsion, when the pressing block 402 is pressed, the permanent magnets 6 attached to the side walls of the sliding plate 401 and the pressing block 402 are close to each other, the repulsive force of the permanent magnets 6 is increased, when the pressing block 402 is released, the sliding plate 401 and the pressing block 402 are separated from each other by the repulsive force of the permanent magnets 6, at this time, the pressing plate 402 can pull the gear block 405 to slide through the connecting shaft 404, so that the gear.

After the blade 2 is completely retracted into the interior of the knife handle 1, in order to prevent the blade 2 from automatically sliding out of the knife handle 1 to cause accidental injury, specifically, a locking mechanism 7 is arranged on the side wall of the rear end of the knife handle 1, the locking mechanism 7 comprises a fixing plate 701 fixed on the side wall of the knife handle 1, the fixing plate 701 is fixed on the side wall of the knife handle 1 through a bolt, a lock tongue 702 is slidably connected between the fixing plate 701 and the side wall of the knife handle 1, one end of the lock tongue 702 is movably clamped between a pressing block 402 and a sliding plate 401, a push rod 703 is fixedly connected on the side wall of the lock tongue 702, the outer end of the push rod 703 penetrates through the side wall of the fixing plate 701 and extends to the exterior, as shown in fig. 2, a abdicating groove for sliding the push rod 703 is formed in the fixing plate 701, the outer end of the push rod 703 is exposed to the exterior, the push rod 703 is, a clamping groove 706 is formed in the side wall of the lock tongue 702, the clamping ball 705 is movably clamped inside the clamping groove 706, the second spring 704 has certain elastic force on the clamping ball 705, the clamping ball 705 is bounced into the clamping groove 706 through the second spring 704 to fix the lock tongue 702, the number of the clamping grooves 706 is two, and when the clamping ball 705 is respectively clamped with the two clamping grooves 706, the lock tongue 702 is fixed in position in two states (two states of locking the pressing block 402 and opening the pressing block 402);

as shown in fig. 10-11, when the gear block 405 is clamped in the clamping position 301 on the rearmost side, the blade 2 can be completely retracted into the interior of the handle 1 and fixed, and at this time, the gear block 405 is located on the rearmost side, in this state, the push rod 703 is pushed forward, so that the push rod 703 carries the lock tongue 702 to slide forward, and thus the front end of the lock tongue 702 can be located between the pressing block 402 and the sliding plate 401 (as shown in fig. 10, the lock tongue 702 abuts against the inner side wall of the pressing block 402), and at this time, the pressing block 402 is blocked by the lock tongue 702 and cannot be pressed, so that the gear block 405 cannot be disengaged from the clamping position 301 on the rearmost side, and then the blade 2 is completely retracted into the interior of the handle 1 and is locked and fixed to the blade 2, and at this time, the blade 2 cannot be extended out, which is safer to.

As shown in fig. 7-9, in order to allow better gripping of the back clip 10, specifically, a base 8 is fixedly connected on the side wall of the rear end of the knife handle 1, a back clamp 10 is rotatably connected on the base 8 through a screw 9, a third spring 11 is arranged between the back clamp 10 and the side wall of the knife handle 1, as shown in fig. 8, when the rear end of the back clip 10 is pressed, the back clip 10 rotates around the screw 9 against the elastic force of the third spring 11, so that the front end of the back clip 10 is opened, and the clamped object is placed between the back clip 10 and the tool holder 1, when the back clip 10 is released, the back clip 10 is resiliently returned by the third spring 11, so that the front end of the back clip 10 is closed, thereby fixing the holder, and at the same time fixing the device somewhere to prevent it from falling off, for example, putting the device inside a pocket, the edges of the pocket are gripped by the back clip 10 so that the device does not easily fall out of the pocket.

The working principle is as follows: when the cutter is used (when the blade 2 extends out of the interior of the cutter handle 1), the pressing block 402 is pressed, the pressing block 402 pushes the gear block 405 outwards through the connecting shaft 404, so that the gear block 405 is separated from the clamping connection with the clamping connection position 301, in this state, the pressing block 402 is pushed forwards, the blade 2 slides forwards and extends out of the interior of the cutter handle 1, after the blade 2 extends out, the pressing block 402 is released, at the moment, the pressing block 402 rebounds and resets through the clamping connection piece 403, so that the pressing block 402 can pull the gear block 405 to slide through the connecting shaft 404, so that the gear block 405 is clamped into the clamping connection position 301 (the clamping connection position 301 located on the front side of the sliding groove 3), the blade 2 is fixed in the extending state, and at the moment, articles can be cut by the device;

after finishing using (during blade 2 indentation handle of a knife 1's inside), press and press handle 402, make gear piece 405 break away from with joint position 301, under this state, thereby promote backward and press the inside of pressing piece 402 and making blade 2 slide backward and indentation handle of a knife 1, loosen and press behind the piece 402, gear piece 405 blocks into the inside of joint position 301 (being located the joint position 301 of 3 inclined to the rear sides of spout), when gear piece 405 card is in the joint position 301 of rearmost side, blade 2 can be totally indentation handle of a knife 1's inside and realize fixing, can carry out accomodating to the device this moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel instrument sword structure, includes handle of a knife (1) and blade (2), its characterized in that: open on handle of a knife (1) has spout (3), it has a plurality of joint positions (301) to open with linear array's form on the lateral wall of spout (3), the rear end of blade (2) is equipped with slider (4), slider (4) are including laminating slide (401) on blade (2) rear end lateral wall, one side of slide (401) is equipped with presses pressure piece (402), be equipped with joint spare (403) between slide (401) and the pressure piece (402), fixedly connected with connecting axle (404) on the inside wall of pressure piece (402), slide (401), blade (2) and fixedly connected with gear position piece (405) are run through in proper order to the one end of pressing piece (402) are kept away from in connecting axle (404), gear position piece (405) activity joint realizes adjusting the length that stretches out of blade (2) in the inside of joint position (301).

2. The novel tool blade construction of claim 1, wherein: the clamping piece (403) adopts an elastic first spring (5), two ends of the first spring (5) are respectively connected to the side walls of the sliding plate (401) and the pressing block (402), and the number of the first springs (5) is single or multiple.

3. The novel tool blade construction of claim 1, wherein: the clamping piece (403) adopts a magnetic permanent magnet (6), and the permanent magnets (6) are respectively attached to the side walls of the sliding plate (401) and the pressing block (402) in a homopolar opposite mode.

4. The novel tool blade construction of claim 1, wherein: be equipped with on the rear end lateral wall of handle of a knife (1) and lock dead mechanism (7), lock dead mechanism (7) including fixing fixed plate (701) on handle of a knife (1) lateral wall, sliding connection has spring bolt (702) between the lateral wall of fixed plate (701) and handle of a knife (1), the movable joint of one end of spring bolt (702) is between pressing briquetting (402) and slide (401), fixedly connected with push rod (703) on the lateral wall of spring bolt (702), the outer end of push rod (703) runs through the lateral wall of fixed plate (701) and extends to its outside, there is card ball (705) inside of handle of a knife (1) through second spring (704) sliding connection, it has draw-in groove (706) to open on the lateral wall of spring bolt (702), card ball (705) activity joint is in the inside of draw-in groove (706).

5. The novel tool blade construction of claim 1, wherein: fixedly connected with base (8) on the rear end lateral wall of handle of a knife (1), be connected with back splint (10) through screw rod (9) rotation on base (8), be equipped with third spring (11) between the lateral wall of back splint (10) and handle of a knife (1).

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