CN217992566U

CN217992566U - Slide-out knife

Info

Publication number: CN217992566U
Application number: CN202222116842.6U
Authority: CN
Inventors: 钟四友
Original assignee: Yangjiang Kuaiban Tool Co ltd
Current assignee: Yangjiang Kuaiban Tool Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-09
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to a cutter technical field especially relates to a sword of roll-off formula, has solved among the prior art and has installed the cutter on the key ring and forget easily after the use and hide the blade, when carrying on the key ring, because the blade exposes, causes the problem of potential safety hazard. The utility model provides a sword of formula that slides out, includes blade and handle of a knife, the blade slides and inserts the inside of establishing at the handle of a knife, the inside of handle of a knife is provided with and holds the chamber, the inside sliding connection who holds the chamber has the fixed block, the port fixed mounting of blade is at the lateral wall of fixed block, one side fixedly connected with second spring of blade is kept away from to the fixed block, the one end of fixed block is kept away from to the second spring and holds intracavity wall fixed connection, the surface of handle of a knife is provided with the complementary unit who is used for making the blade stretch out the handle of a knife. The utility model discloses a set up complementary unit, can hold the inside in chamber with fixed block and the automatic pull-back of blade to play the purpose that reduces the potential safety hazard.

Description

Slide-out knife

Technical Field

The utility model relates to a cutter technical field especially relates to a sword of roll-off formula.

Background

The knife is a tool for cutting, cutting and hacking, the knife is generally formed by combining a blade and a knife handle, the knife handle is held by hand when the knife is used for moving the blade, so that the cutting effect is achieved, and the knife is divided into a common kitchen knife, a tool knife and a turning tool used in machining.

At present, a tool knife is installed on a key ring and is convenient to carry, so that the tool knife can be conveniently used at any time when an express box is required to be cut and used in other occasions, the tool knife is generally used for safety and a blade is hidden in a knife handle, the tool knife is exposed out of the knife handle in use, but the phenomenon that the blade is hidden after the tool knife is used can be frequently caused, and therefore when the tool knife is carried on the key ring, potential safety hazards are caused due to the fact that the blade is exposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sword of roll-off formula has solved among the prior art and has installed the cutter on the key ring and forget easily after using and hide the blade, when carrying on the key ring, because the blade exposes, causes the problem of potential safety hazard.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a sword of formula that slides out, includes blade and handle of a knife, the blade slides and inserts the inside of establishing at the handle of a knife, the inside of handle of a knife is provided with and holds the chamber, the inside sliding connection who holds the chamber has the fixed block, the port fixed mounting of blade is at the lateral wall of fixed block, one side fixedly connected with second spring of blade is kept away from to the fixed block, the one end of fixed block is kept away from to the second spring and holds intracavity wall fixed connection, the surface of handle of a knife is provided with the complementary unit who is used for making the blade stretch out the handle of a knife.

Preferably, the auxiliary mechanism includes the slider, the slider slides and inserts the lateral wall of establishing at the handle of a knife, the position fixed mounting that the lateral wall of slider is close to the bottom has first magnet piece, the lateral wall fixed mounting that the fixed block is close to the second spring has the second magnet piece, the bottom fixed mounting of slider has first spring, the one end that the slider was kept away from to first spring with hold intracavity wall fixed connection.

Preferably, the side wall of the knife handle close to the sliding block is provided with a limiting rod, the limiting rod is L-shaped, the top end of the sliding block is fixedly provided with a connecting plate, the side wall of the connecting plate is provided with a groove, and the surface of the groove is provided with a concave hole.

Preferably, the bottom of the limiting rod is fixedly provided with a rotating shaft, the surface of the rotating shaft is sleeved with a twisting spring, the bottom end of the rotating shaft is rotatably connected with the knife handle, and two ends of the twisting spring are fixedly connected with the knife handle and the limiting rod respectively.

Preferably, the handle of a knife is the plastics material, the position that the blade was kept away from to the handle of a knife offers the round hole that is used for being connected with the key ring.

The utility model discloses possess following beneficial effect at least:

through setting up complementary unit, in use, also hold the slider when holding the handle of a knife, make the slider atress move down, thereby make first spring atress compressed, the first magnet piece on slider surface removes to the inside that holds the chamber this moment, second magnet piece and first magnet piece repel each other, thereby make blade roll-off handle of a knife, the second spring atress is stretched, when stretching out, under the effect of fixed block, make the blade can not break away from and hold the chamber, after the blade finishes using, the handle is directly loosened to user's hand, the slider does not receive the power this moment, first spring makes the slider shift up, it shifts up to drive first magnet piece, thereby make first magnet piece and second magnet piece stagger each other, the inside that holds the chamber is pulled back to fixed block and blade to the second spring this moment, thereby play the purpose that reduces the potential safety hazard.

The utility model discloses still possess following beneficial effect:

through setting up the restriction pole and hank the spring, when moving the slider to holding intracavity portion, rotate the restriction pole, thereby utilize the restriction pole to restrict the connecting plate from the top, make connecting plate and slider unable to shift up, and then make the unable state that shifts up of first magnet piece, make the blade remain the state of stretching out all the time, the shrinkage pool and restriction pole's size looks adaptation, when the connecting plate moves down, utilize the shrinkage pool just to pass through the restriction pole, then rotate the restriction pole, make the horizontal part at restriction pole top and the mutual block of groove portion at connecting plate top, thereby play the unable mesh that shifts up of restriction connecting plate, the restriction pole receives the effect of hank the spring under natural state, thereby make the horizontal part orientation of restriction pole top keep away from the state of connecting plate, receive the blockking of restriction pole when avoiding connecting plate and slide bar to move down.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the knife handle of the present invention;

FIG. 3 is an exploded view of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the groove structure of the present invention;

fig. 5 is a schematic view of the structure of the restriction lever of the present invention.

In the figure: 1. a blade; 2. a knife handle; 3. twisting a spring; 4. a restricting lever; 5. a slider; 6. concave holes; 7. a first spring; 8. a first magnet block; 9. a connecting plate; 10. a groove; 11. an accommodating chamber; 12. a fixed block; 13. a second magnet block; 14. a second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, a slide-out type knife includes a blade 1 and a handle 2, the blade 1 is inserted into the handle 2 in a sliding manner, a containing cavity 11 is arranged inside the handle 2, the containing cavity 11 is connected with a fixing block 12 in a sliding manner, a port of the blade 1 is fixedly mounted on a side wall of the fixing block 12, a second spring 14 is fixedly connected to one side of the fixing block 12 away from the blade 1, one end of the second spring 14 away from the fixing block 12 is fixedly connected with an inner wall of the containing cavity 11, an auxiliary mechanism for enabling the blade 1 to extend out of the handle 2 is arranged on the surface of the handle 2, when the blade 1 needs to be slid out of the handle 2 in use, the handle 2 is held by a hand, the hand can contact the auxiliary mechanism when holding the handle, the blade 1 slides out of the handle 2 by the auxiliary mechanism, so that the handle is convenient to use, when the knife does not need to use the knife, the hand is separated from the handle, so that the hand is also separated from the auxiliary mechanism, so that the blade 1 is not affected by the auxiliary mechanism, and can be automatically retracted into the handle 2 under the effect of the second spring 14.

Further, the auxiliary mechanism comprises a sliding block 5, the sliding block 5 is inserted into the side wall of the knife handle 2 in a sliding mode, a first magnet block 8 is fixedly installed at a position, close to the bottom, of the side wall of the sliding block 5, a second magnet block 13 is fixedly installed at a side wall, close to the second spring 14, of a fixing block 12, a first spring 7 is fixedly installed at the bottom of the sliding block 5, one end, far away from the sliding block 5, of the first spring 7 is fixedly connected with the inner wall of the accommodating cavity 11, when the auxiliary mechanism is in use, the sliding block 5 is also held when the knife handle 2 is held, the sliding block 5 is forced to move downwards, the first spring 7 is forced to be compressed, the first magnet block 8 on the surface of the sliding block 5 moves to the inside of the accommodating cavity 11, the second magnet block 13 and the first magnet block 8 repel each other, the blade 1 slides out of the knife handle 2, the second spring 14 is forced to be stretched out, the blade 1 cannot be separated from the accommodating cavity 11 under the effect of the fixing block 12, after the blade 1 is used, the user directly releases the handle, the sliding block 5 is free from the force, the first spring 7 enables the sliding block 5 to move upwards, the first magnet block 8 to drive the first magnet block 8 to move upwards, the second magnet block 14 and the second magnet block 12 and the magnet block 13 and the second magnet block 11 to be pulled back to the accommodating cavity 11.

Further, the lateral wall that handle of a knife 2 is close to slider 5 is provided with restriction pole 4, restriction pole 4 is "L" shape, slider 5's top fixed mounting has connecting plate 9, the lateral wall of connecting plate 9 is seted up flutedly 10, shrinkage pool 6 has been seted up on the surface of recess 10, if need be for a long time when stretching out handle of a knife 2 with blade 1, when moving slider 5 to holding the intracavity portion 11 inside, rotation restriction pole 4, thereby utilize restriction pole 4 to follow top restriction connecting plate 9, make connecting plate 9 and slider 5 unable shift up, and then make first magnet piece 8 unable shift up, make blade 1 remain the state of stretching out all the time, shrinkage pool 6 and restriction pole 4's size looks adaptation, when connecting plate 9 moves down, utilize shrinkage pool 6 just to pass through restriction pole 4, then rotate restriction pole 4, make the horizontal part at restriction pole 4 top and the recess 10 part at connecting plate 9 top block each other, thereby play the unable mesh that shifts up of restriction connecting plate 9.

Further, the bottom fixed mounting of restriction lever 4 has the pivot, the surface cover of pivot is equipped with hank spring 3, the bottom and the handle of a knife 2 of pivot rotate to be connected, hank spring 3's both ends respectively with handle of a knife 2 and restriction lever 4 fixed connection, restriction lever 4 receives hank spring 3's effect under natural state, thereby make the horizontal part orientation of restriction lever 4 top keep away from the state of connecting plate 9, receive blockking of restriction lever 4 when avoiding connecting plate 9 and slide bar to move down.

Further, handle of a knife 2 is the plastics material, and the round hole that is used for being connected with the key ring is offered to the position that blade 1 was kept away from to handle of a knife 2, and handle of a knife 2 can not influence the interact of first magnet piece 8 and second magnet piece 13 for the plastics material, utilizes the round hole play and key ring between be connected the purpose.

In conclusion, when the blade 1 needs to slide out of the handle 2 for use, the handle 2 is held by a hand, the hand can contact with the auxiliary mechanism when holding the handle, the blade 1 slides out of the handle 2 by using the auxiliary mechanism, so that the use is convenient, when the cutter is not needed, the hand is separated from the handle, so that the hand is also separated from the auxiliary mechanism, so that the blade 1 is not influenced by the auxiliary mechanism, and can automatically retract into the handle 2 under the action of the second spring 14, when the auxiliary mechanism is used, the slider 5 is also held when the handle 2 is held, so that the slider 5 is stressed to move downwards, so that the first spring 7 is stressed and compressed, at the moment, the first magnet block 8 on the surface of the slider 5 moves into the accommodating cavity 11, the second magnet block 13 and the first magnet block 8 repel each other, so that the blade 1 slides out of the handle 2, the second spring 14 is stretched under stress, when the second spring extends out, the blade 1 cannot be separated from the accommodating cavity 11 under the action of the fixed block 12, after the blade 1 is used, the hand of a user directly loosens the handle, the sliding block 5 is not stressed at the moment, the first spring 7 enables the sliding block 5 to move upwards to drive the first magnet block 8 to move upwards, so that the first magnet block 8 and the second magnet block 13 are staggered, the second spring 14 pulls the fixed block 12 and the blade 1 back into the accommodating cavity 11, if the blade 1 extends out of the handle 2 for a long time, when the sliding block 5 is moved into the accommodating cavity 11, the limiting rod 4 is rotated, so that the limiting rod 4 limits the connecting plate 9 from the top, the connecting plate 9 and the sliding block 5 cannot move upwards, the first magnet block 8 cannot move upwards, the blade 1 is kept in an extending state all the time, the concave hole 6 is matched with the size of the limiting rod 4, when connecting plate 9 moves down, utilize shrinkage pool 6 just to pass through restriction pole 4, then rotate restriction pole 4, make the horizontal part at restriction pole 4 top and the mutual block of recess 10 part at connecting plate 9 top, thereby play the unable mesh that shifts up of restriction connecting plate 9, restriction pole 4 receives the effect of hank spring 3 under natural state, thereby make the horizontal part orientation of restriction pole 4 top keep away from the state of connecting plate 9, receive blockking of restriction pole 4 when avoiding connecting plate 9 and slide bar to move down, handle of a knife 2 can not influence the interact of first magnet piece 8 and second magnet piece 13 for the plastics material, utilize the round hole play and the key ring between the mesh of being connected.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sword of formula that slides out, includes blade (1) and handle of a knife (2), its characterized in that, blade (1) slides and inserts the inside of establishing in handle of a knife (2), the inside of handle of a knife (2) is provided with holds chamber (11), the inside sliding connection who holds chamber (11) has fixed block (12), the port fixed mounting of blade (1) is at the lateral wall of fixed block (12), one side fixedly connected with second spring (14) of blade (1) are kept away from in fixed block (12), the one end of fixed block (12) is kept away from in second spring (14) and holds chamber (11) inner wall fixed connection, the surface of handle of a knife (2) is provided with the complementary unit who is used for making blade (1) stretch out handle of a knife (2).

2. The slide-out knife according to claim 1, wherein the auxiliary mechanism comprises a slide block (5), the slide block (5) is slidably inserted into a side wall of the knife handle (2), a first magnet block (8) is fixedly mounted at a position, close to the bottom, of the side wall of the slide block (5), a second magnet block (13) is fixedly mounted at a position, close to a second spring (14), of the fixed block (12), a first spring (7) is fixedly mounted at the bottom of the slide block (5), and one end, far away from the slide block (5), of the first spring (7) is fixedly connected with an inner wall of the accommodating cavity (11).

3. The slide-out knife according to claim 2, wherein a limiting rod (4) is arranged on the side wall, close to the sliding block (5), of the knife handle (2), the limiting rod (4) is L-shaped, a connecting plate (9) is fixedly mounted at the top end of the sliding block (5), a groove (10) is formed in the side wall of the connecting plate (9), and a concave hole (6) is formed in the surface of the groove (10).

4. The slide-out knife according to claim 3, wherein a rotating shaft is fixedly mounted at the bottom of the limiting rod (4), a twisted spring (3) is sleeved on the surface of the rotating shaft, the bottom end of the rotating shaft is rotatably connected with the knife handle (2), and two ends of the twisted spring (3) are respectively fixedly connected with the knife handle (2) and the limiting rod (4).

5. The slide-out knife according to claim 1, wherein the handle (2) is made of plastic, and a circular hole for connecting with a key ring is formed in the position of the handle (2) away from the blade (1).