CN220162511U

CN220162511U - Folding knife

Info

Publication number: CN220162511U
Application number: CN202321551194.5U
Authority: CN
Inventors: 周鸿锋
Original assignee: Guangdong Tuobituo Technology Co ltd
Current assignee: Guangdong Tuobituo Technology Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-12
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to a folding knife, which has the technical scheme that: comprising the following steps: a blade; a chute is arranged on the blade; the handle mechanism is used for fixing and folding and accommodating the blade; the driving piece is used for driving the blade to open and close; one end of the driving piece is connected with the handle mechanism, and the other end of the driving piece is arranged in the chute; a connecting mechanism; one end of the connecting mechanism is connected with the handle mechanism, and the other end of the connecting mechanism is connected with the blade; the utility model has the advantages of one-hand operation and inertial tool opening and closing.

Description

Folding knife

Technical Field

The utility model relates to the technical field of folding cutters, in particular to a folding cutter.

Background

The folding knife is a common foldable knife, and the existing folding knife is generally provided with a spring inside, so that the knife can keep a fastening structure after stretching out and rebounding; however, the spring of the cutter is generally made of a metal material, and the metal material spring is easy to rust after being used for a period of time, and is easy to lose elasticity, so that the elastic structure of the folding cutter is invalid; however, the common inelastic folding knife needs two hands to operate when opening and closing, which is troublesome to use and needs improvement.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a folding knife which has the advantages of being capable of being operated by one hand and capable of opening and closing the knife through inertia.

The technical aim of the utility model is realized by the following technical scheme: a folding knife comprising: a blade; a chute is arranged on the blade; the handle mechanism is used for fixing and folding and accommodating the blade; the driving piece is used for driving the blade to open and close; one end of the driving piece is connected with the handle mechanism, and the other end of the driving piece is arranged in the chute; a connecting mechanism; one end of the connecting mechanism is connected with the handle mechanism, and the other end of the connecting mechanism is connected with the blade.

Optionally, the handle mechanism includes: a sacrum, a first handle, and a second handle; one end of the sacrum is connected with the first handle, and the other end of the sacrum is connected with the second handle; one end of the connecting mechanism is connected with the first handle, and the other end of the connecting mechanism is connected with the second handle; the driving piece is movably arranged on the first handle.

Optionally, a first limit groove capable of limiting the movement range of the driving piece is arranged on the first handle; the driving piece is arranged in the first limiting groove in a sliding mode.

Optionally, second limit grooves with symmetrical positions are arranged on the first handle and the second handle; the blade is provided with a stop nail which can slide in the second limiting groove.

Optionally, a clamping portion is provided on both the first handle and the second handle for clamping the blade.

Optionally, the clamping portion includes: positioning plate and ball; one end of the ball is arranged on the positioning plate, and the other end of the ball is abutted with the blade.

Optionally, the blade is provided with a first positioning hole and a second positioning hole which are correspondingly adapted to the ball to position the blade in an open-close state.

Optionally, a handle outer protector is arranged on the outer sides of the first handle and the second handle.

Optionally, a holding clamp is arranged on the outer side of the handle outer protection piece.

Optionally, the connection mechanism includes: a central shaft, a first bearing and a second bearing; the two ends of the central shaft are respectively connected with the first handle and the second handle; one end of the first bearing is connected with the first handle, and the other end of the first bearing is connected with one side of the blade; one end of the second bearing is connected with the second handle, and the other end of the second bearing is connected with the other side of the blade.

In summary, the utility model has the following beneficial effects:

1. according to the folding knife, the blade is rotatably arranged on the handle mechanism through the connecting mechanism, and the blade is opened and closed through the transmission connection relation of the sliding groove and the driving piece, when a user uses the folding knife with one hand, the driving piece is pushed by a finger, and then the blade is thrown outwards with a little force, so that the blade can be thrown out of the handle mechanism to be in an open state; when the blade is required to be folded and stored, the driving piece is reversely pushed by fingers, and then the blade is thrown inwards with little effort, so that the blade can be retracted into the handle mechanism to be in a storage state, and the effects of single-hand operation and inertial opening and closing of the cutter are achieved.

2. The folding knife provided by the utility model is not provided with the metal spring part, and the effect of opening and closing and containing the blade through inertia can be realized only through the transmission connection relation among the driving piece, the plurality of limiting grooves, the stop nails and the clamping parts, so that the folding knife is more convenient to use and long in service life.

Drawings

FIG. 1 is a schematic view of the knife of the present utility model open;

FIG. 2 is a schematic view of the tool closure of the present utility model;

FIG. 3 is an exploded view of the handle mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the blade of the present utility model;

FIG. 5 is a schematic view of a first connection of a blade to a handle mechanism in accordance with the present utility model;

FIG. 6 is a schematic view of a second connection of the blade to the handle mechanism of the present utility model;

fig. 7 is a schematic view of the overall structure of the present utility model.

In the figure: 1. a blade; 11. a chute; 2. a handle mechanism; 21. a sacrum; 22. a first handle; 23. a second handle; 3. a driving member; 4. a connecting mechanism; 41. a central shaft; 42. a first bearing; 51. a first limit groove; 52. the second limit groove; 53. a stop pin; 6. a clamping part; 61. a positioning plate; 62. a ball; 71. a first positioning hole; 72. a second positioning hole; 8. and (5) clamping.

Detailed Description

In order that the objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 7, the present utility model provides a folding knife comprising: a blade 1; a chute 11 is arranged on the blade 1; a handle mechanism 2 for fixing and folding and accommodating the blade 1; a driving member 3 for driving the blade 1 to open and close; one end of the driving piece 3 is connected with the handle mechanism 2, and the other end of the driving piece 3 is arranged in the chute 11; a connection mechanism 4; one end of the connecting mechanism 4 is connected with the handle mechanism 2, and the other end of the connecting mechanism 4 is connected with the blade 1.

In the embodiment, the blade 1 is rotatably arranged on the handle mechanism 2 through the connecting mechanism 4, a chute 11 is arranged on the blade 1 near the position where the blade 1 is connected with the handle mechanism 2, two ends of the driving piece 3 are respectively connected with the handle mechanism 2 and the chute 11 on the blade 1, and the driving piece 3 can slide in the chute 11;

when the cutter needs to be opened, the driving piece 3 is manually pushed forward, the driving piece 3 can drive the cutter blade 1 to rotate forward together (at the moment, the driving piece 3 is abutted with one end of the chute 11), and after the cutter blade 1 rotates for a certain angle, the cutter blade 1 is thrown out of the handle mechanism 2 by the hand with little effort through inertia, so that the cutter is opened;

when the cutter is required to be stored, the driving piece 3 is manually pushed reversely, the driving piece 3 can drive the cutter blade 1 to rotate reversely together (at the moment, the driving piece 3 is abutted with the other end of the chute 11), and after the cutter blade 1 rotates for a certain angle, the cutter blade 1 is thrown back to the handle mechanism 2 by the hand through inertia slightly by force, so that the cutter is folded and stored;

the opening and closing actions of the cutter can be carried out when the cutter is held by a single hand, the cutter can be thrown out or thrown back by pushing the driving piece 3 by fingers and driving the cutter blade 1 to be thrown back by hand inertia, so that the inertial quick opening and closing effect of the cutter is achieved, and the use is simple and convenient; in addition, the folding knife does not contain a metal spring part, the folding knife is opened and closed only through mechanical transmission and inertia force, and the service life of the knife is longer.

Further, the handle mechanism 2 includes: a sacrum 21, a first handle 22, and a second handle 23; one end of the sacrum 21 is connected with the first handle 22, and the other end of the sacrum 21 is connected with the second handle 23; one end of the connecting mechanism 4 is connected with the first handle 22, and the other end of the connecting mechanism 4 is connected with the second handle 23; the driving member 3 is movably arranged on the first handle 22.

In this embodiment, two ends of the sacrum 21 are respectively connected with a first handle 22 and a second handle 23, the connecting mechanism 4 is arranged on the other end of the handle mechanism 2 opposite to the sacrum 21, two ends of the connecting mechanism 4 are respectively connected with the first handle 22 and the second handle 23 (see fig. 2 and 3), the blade 1 is rotatably arranged on the connecting mechanism 4, the sacrum 21 and the first handle 22 and the second handle 23 together form a containing cavity capable of containing the blade 1 after being contained, and the blade 1 is folded and contained in the containing cavity; the driving element 3 is movably arranged on the first handle 22, and the first handle 22 can limit the moving range of the driving element 3.

Further, a first limit groove 51 is provided on the first handle 22 to limit the movement range of the driving member 3; the driving piece 3 is slidably disposed in the first limiting groove 51.

In this embodiment, the first handle 22 is provided with a first limiting groove 51, the driving member 3 can slide in the first limiting groove 51, the first limiting groove 51 can be used for limiting the moving range of the driving member 3, and the first limiting groove 51 and the sliding groove 11 can cooperate together to form a maximum rotatable range of travel of the blade 1 (see fig. 6).

Further, second limit grooves 52 with symmetrical positions are arranged on the first handle 22 and the second handle 23; a stopper pin 53 that is slidable in the second stopper groove 52 is provided on the blade 1.

In this embodiment, the first handle 22 and the second handle 23 are respectively provided with a second limiting groove 52, the positions of the two second limiting grooves 52 are corresponding and mirror-image symmetrical, the blade 1 is provided with corresponding stop nails 53, and two ends of the stop nails 53 can slide in the second limiting grooves 52 on two sides (see fig. 3 and 5), so that the rotation range of the blade 1 is limited by sliding the stop nails 53 in the second limiting grooves 52, the included angle of the rotation range of the blade 1 can be limited between 0 ° and 180 °, and the cutter is adapted to the opening and closing state of the cutter.

Further, a clamping portion 6 for clamping the blade 1 is provided on each of the first handle 22 and the second handle 23.

In this embodiment, the first handle 22 and the second handle 23 are respectively provided with a clamping portion 6, and the two clamping portions 6 are symmetrically arranged (see fig. 3), and the clamping forces generated by the clamping portions 6 on both sides face the blade 1 on the inner side of the handle mechanism 2, so that the two clamping portions 6 can respectively clamp the blade 1 from both sides of the interior of the cutter, thereby achieving the positioning effect after the blade 1 is opened and closed.

Further, the clamping portion 6 includes: a positioning plate 61 and balls 62; one end of the ball 62 is provided on the positioning plate 61, and the other end of the ball 62 abuts against the blade 1.

In the present embodiment, the clamping portion 6 includes a positioning plate 61 and balls 62, wherein: the positioning plate 61 and the handle are of an integrated structure, a through hole for placing the ball 62 is arranged on the positioning plate 61, and two ends of the ball 62 are respectively abutted with the through hole and the blade 1; the clamping parts 6 on the two sides clamp the blade 1 through the balls 62 (see fig. 3 and 5), and because the balls 62 are in the form of spherical balls, when the hand pushes the driving piece 3, the blade 1 can be driven to rotate and separate from the clamping of the balls 62 on the two sides, so that the opening and closing effect of the blade 1 is achieved.

Further, the blade 1 is provided with a first positioning hole 71 and a second positioning hole 72 which are adapted to correspond to the balls 62 to position the blade 1 in the open/close state.

In the present embodiment, a first positioning hole 71 and a second positioning hole 72 are provided on the blade 1, through which the blade 1 can be positioned in a corresponding open-close state (see fig. 4), wherein: when the insert 1 is in the storage state, the first positioning holes 71 are abutted against the balls 62 of the clamping portions 6 on both sides, and when the insert 1 is in the open state, the second positioning holes 72 are abutted against the balls 62 of the clamping portions 6 on both sides, so that the clamping and positioning effects of the clamping portions 6 on the insert 1 are achieved.

Further, a handle outer protector is provided on the outer side of each of the first handle 22 and the second handle 23.

In the embodiment, the outer handle protecting pieces are arranged outside the first handle 22 and the second handle 23, and can cover a plurality of grooves such as the second limiting groove 52 on the handle mechanism, so that the whole cutter is more attractive; the handle outer guard may be of a soft material to facilitate grasping by the user's hand (the construction of which is the same as the prior art folding knife handle, see fig. 7).

Further, a holding clamp is arranged on the outer side of the handle outer protection piece.

In this embodiment, the outer side of the outer handle guard is further provided with a holding clip 8, so that the folding knife can be hung on an external structure (such as a waistband) through the holding clip 8, thereby facilitating the carrying of the knife.

Further, the connection mechanism 4 includes: a central shaft 41, a first bearing 42 and a second bearing; two ends of the central shaft 41 are respectively connected with the first handle 22 and the second handle 23; one end of the first bearing 42 is connected with the first handle 22, and the other end of the first bearing 42 is connected with one side of the blade 1; one end of the second bearing is connected to the second handle 23, and the other end of the second bearing is connected to the other side of the blade 1.

In this embodiment, the first bearing 42 and the second bearing are respectively disposed at two sides of the center rotating end of the blade 1, and two sides of the center shaft 41 respectively penetrate through the center rotating end of the blade 1 and the bearings at two sides and then are respectively connected with the first handle 22 and the second handle 23, so that the blade 1 can rotate on the handle mechanism 2 more smoothly under the bearing action of the bearings.

The folding knife has the advantages of being capable of being operated by one hand and capable of opening and closing the knife through inertia.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A folding knife, comprising:

a blade; a chute is arranged on the blade;

the handle mechanism is used for fixing and folding and accommodating the blade;

the driving piece is used for driving the blade to open and close; one end of the driving piece is connected with the handle mechanism, and the other end of the driving piece is arranged in the chute;

a connecting mechanism; one end of the connecting mechanism is connected with the handle mechanism, and the other end of the connecting mechanism is connected with the blade.

2. The folding knife of claim 1, wherein the handle mechanism comprises: a sacrum, a first handle, and a second handle; one end of the sacrum is connected with the first handle, and the other end of the sacrum is connected with the second handle; one end of the connecting mechanism is connected with the first handle, and the other end of the connecting mechanism is connected with the second handle; the driving piece is movably arranged on the first handle.

3. The folding knife according to claim 2, wherein a first limit groove for limiting the movable range of the driving member is provided on the first handle; the driving piece is arranged in the first limiting groove in a sliding mode.

4. The folding knife according to claim 2, wherein second limit grooves with symmetrical positions are arranged on the first handle and the second handle; the blade is provided with a stop nail which can slide in the second limiting groove.

5. The folding knife of claim 4, wherein a clamping portion is provided on each of the first and second handles for clamping the blade.

6. The folding knife of claim 5, wherein the clamping portion comprises: positioning plate and ball; one end of the ball is arranged on the positioning plate, and the other end of the ball is abutted with the blade.

7. The folding knife according to claim 6, wherein a first positioning hole and a second positioning hole adapted to correspond to the ball for positioning in a blade open-close state are provided on the blade.

8. The folding knife of claim 2, wherein a handle outer guard is provided on the outside of both the first handle and the second handle.

9. The folding knife of claim 8, wherein a clasping is provided on the outside of the handle outer guard.

10. The folding knife of any one of claims 2-9, wherein the attachment mechanism comprises: a central shaft, a first bearing and a second bearing; the two ends of the central shaft are respectively connected with the first handle and the second handle;

one end of the first bearing is connected with the first handle, and the other end of the first bearing is connected with one side of the blade; one end of the second bearing is connected with the second handle, and the other end of the second bearing is connected with the other side of the blade.