CN222328266U

CN222328266U - Folding Knife

Info

Publication number: CN222328266U
Application number: CN202420297531.0U
Authority: CN
Inventors: 朱勇巍
Original assignee: Hangzhou Great Star Industrial Co Ltd
Current assignee: Hangzhou Great Star Industrial Co Ltd
Priority date: 2024-02-18
Filing date: 2024-02-18
Publication date: 2025-01-10
Anticipated expiration: 2034-02-18

Abstract

The utility model discloses a folding knife, which belongs to a manual knife, wherein the existing folding knife can realize the cutting function only when a knife head assembly is unfolded, so that the blade can be received in the receiving cavity or extend from the receiving cavity through the open mouth for use when the blade head assembly is folded into the receiving cavity. When the folding knife is held by one hand, the knife head assembly is inconvenient to unfold, and the knife blade can extend out of the handle to cut. In some simple cuts, the cutting can be performed without the need to unwind the cutter head assembly. Accordingly, the flexibility of use of the folding knife is increased.

Description

Folding knife

Technical Field

The utility model belongs to a manual cutter, and particularly relates to a folding cutter capable of extending a blade for use in a folding and storage state.

Background

Existing folding knives can only achieve a cutting function when the knife head assembly is unfolded. However, when the folding knife is held by one hand, it is inconvenient to unfold the knife head assembly, it is difficult for the existing folding knife to realize the cutting function. When making some simple cuts, it is cumbersome to deploy the cutter head assembly.

Disclosure of utility model

The folding knife aims to overcome the defect that the existing folding knife can realize the cutting function only when the knife head assembly is unfolded, and the folding knife can extend the knife blade for use in a folding and accommodating state.

To achieve the above object, the folding knife of the present utility model is characterized by comprising:

a handle having a receiving cavity, the rear end of the receiving cavity being provided with an opening;

The tool bit assembly is assembled at the front part of the handle through a pivot to be folded into the accommodating cavity or unfolded from the accommodating cavity, the tool bit assembly comprises a tool rest and a blade movably arranged on the tool rest, and the blade can be positioned in the accommodating cavity to be accommodated or extend out of the accommodating cavity through an opening to be used when the tool bit assembly is folded into the accommodating cavity.

The folding knife is provided with the opening at the rear end of the accommodating cavity, so that the blade can be positioned in the accommodating cavity to be accommodated or extend out of the accommodating cavity through the opening to be used when the knife head assembly is folded into the accommodating cavity. When the folding knife is held by one hand, the knife head assembly is inconvenient to unfold, and the knife blade can extend out of the handle to cut. In some simple cuts, the cutting can be performed without the need to unwind the cutter head assembly.

Preferably, in order to avoid potential safety hazards caused by accidental extension of the blade from the handle due to existence of the opening, a movable shielding piece which moves between a shielding position and an avoidance position is arranged at the opening, the movable shielding piece prevents the blade from extending from the accommodating cavity through the opening when being positioned at the shielding position, and the movable shielding piece is positioned at the avoidance position and is arranged at the position where the blade is allowed to leave from the accommodating cavity through the opening and extends from the handle. Accordingly, the position of the movable shutter can be changed to block the blade or to give way to the handle for the blade to protrude from the accommodating chamber through the opening.

Further, the movable shielding piece and the handle are provided with matched positioning structures, and the movable shielding piece is positioned by the positioning structures when being positioned at the shielding position and the avoiding position. To prevent accidental indexing of the movable blinder.

Specifically, the positioning structure comprises a positioning pit and a positioning bulge which are separately arranged on the movable shielding piece and the handle, and the positioning bulge is positioned in the positioning pit to realize positioning.

In particular, the movable shutter is mounted to the handle via a shaft for ease of operation. So that the movable shutter can be moved by hand.

Preferably, the tool rest comprises an outer frame, an inner frame and a control piece, wherein the inner frame is arranged in the outer frame in a sliding manner, the control piece is connected with the inner frame and is exposed out of the outer frame to be controlled to move along with the inner frame, and the blade is assembled on the inner frame. The inner frame can be moved according to the need by controlling the operation control.

Preferably, the outer frame has a plurality of positioning grooves distributed in the front-rear direction, and the operating member is positioned at the positions of the positioning grooves for fixing the blade. Whereby the blade can be positioned at different locations to time-cut the need.

In particular, a first elastic element is arranged between the inner frame and the control piece, and the elastic force of the first elastic element promotes the control piece to be positioned in the corresponding positioning groove. And the blade is prevented from being out of position during cutting.

In order to facilitate replacement of the blade, the inner frame is provided with a locking piece, the blade is locked on the inner frame by the locking piece, the outer frame is provided with an unlocking piece, and the locking piece is unlocked by the unlocking piece when the inner frame moves forwards to the position, corresponding to the unlocking piece, of the locking piece.

In order to reliably lock the blade on the inner frame, the locking piece is assembled on the inner frame in a swinging way, magnetic steel is arranged on the inner frame, the blade and the locking piece are adsorbed by the magnetic steel and are abutted against the inner frame, and the unlocking piece is configured to be pressed laterally to unlock the locking piece.

According to the utility model, the rear end of the accommodating cavity is provided with the opening, so that the blade can be accommodated in the accommodating cavity or extend out of the accommodating cavity through the opening for use when the cutter head assembly is folded into the accommodating cavity. When the folding knife is held by one hand, the knife head assembly is inconvenient to unfold, and the knife blade can extend out of the handle to cut. In some simple cuts, the cutting can be performed without the need to unwind the cutter head assembly. Accordingly, the flexibility of use of the folding knife is increased.

Drawings

FIG. 1 is an isometric view of a folding knife of the present utility model;

FIG. 2 is a schematic side elevational view of the folding knife of the present utility model;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is an exploded view of the handle and bit assembly of the folding knife of FIG. 1;

FIG. 6 is a schematic diagram of another view of the structure of FIG. 5;

FIG. 7 is an exploded view of the tool tip assembly of FIG. 5;

FIG. 8 is a schematic diagram of another view of the structure of FIG. 7;

FIG. 9 is a schematic view of the blade extension handle of the folding knife of the present utility model in a folded condition;

FIG. 10 is a schematic cross-sectional view of the state shown in FIG. 9;

FIG. 11 is a schematic view of the folding knife of the present utility model with the blade in the receiving cavity in a folded condition;

FIG. 12 is a schematic cross-sectional view of the state shown in FIG. 11;

The reference numerals in the figures illustrate:

100 handles, 101 a first handle body, 102 a second handle body, 103 a holding cavity, 104 an opening, 105 a movable shielding piece, 106 a positioning pit, 107 a positioning protrusion, 108 shafts, 109 a clip and 110 a stop lever;

A 200-pivot;

300 tool bit assembly;

310 knife rest, 311 outer frame, 3111 first frame body, 3112 second frame body, 3113 slit, 3114 positioning slot, 312 inner frame, 3121 magnetic steel, 3122 slot, 313 operating control, 3131 inserting rod, 3132 shoulder, 314 first elastic element, 315 locking element, 3151 tongue, 3152 stress part, 316 unlocking element, 317 second elastic element;

320 blades, 321 notches.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "comprises" and "comprising" and any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such as a method or article, that comprises a list of features does not necessarily limit the features to those expressly listed, but may include other features not expressly listed that may be included in such method or article.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Wherein, "upper" and "lower", "left" and "right", "front" and "rear" are in opposite directions.

In the description of the present utility model, it should be understood that the technical features defined by the terms "first", "second", etc. having sequential concepts are merely for the purpose of clearly describing the defined technical features, so that the defined technical features can be clearly distinguished from other technical features, and are not so named as to represent actual implementation, and thus should not be construed as limiting the present utility model.

The present utility model will be described in detail with reference to specific embodiments and drawings.

As shown in fig. 1-6 and 9-12, the folding knife includes a handle 100 and a knife head assembly 300.

The handle 100 is assembled from a first handle body 101 and a second handle body 102. The first handle body 101 and the second handle body 102 are kept at a distance and form a containing cavity 103 at the time of the first handle body and the second handle body, and an opening 104 is formed at the rear end of the containing cavity 103. The movable shielding member 105 is arranged at the opening 104, the movable shielding member 105 is rotatably assembled on the first handle body 101 and the second handle body 102 through the shaft 108, and the movable shielding member 105 can rotate to move between a shielding position and an avoiding position. The movable shutter 105 prevents the blade 320 from extending from the receiving chamber through the opening 104 out of the handle 100 when in the closed position as shown in fig. 11-12, and the movable shutter 105 is in the retracted position as shown in fig. 9-10 in which the blade 320 extends from the receiving chamber through the opening 104 out of the handle yielding position. The movable shutter 105 and the handle 100 are provided with a matched positioning structure, and the positioning structure comprises a positioning pit 106 and a positioning protrusion 107 which are separately arranged on the movable shutter and the handle. The positioning projection 107 is positioned in the positioning pit 106 when the movable shutter 105 is positioned in the shielding position and the avoidance position.

And, the handle 100 is provided with a stop lever 110, and the stop lever 100 is abutted against the tail of the knife rest 310 to lock the knife head assembly in a folded state or an unfolded state, so as to prevent the knife rest from being turned over accidentally.

Tool bit assembly 300 is mounted to the front of handle 100 via pivot 200 for folding into and unfolding from the receiving cavity. Tool bit assembly 300 includes a tool post 310 and a blade 320 movably disposed to the tool post. The tool holder 310 includes an outer holder 311, an inner holder 312, and a manipulation member 313. The inner frame 312 is slidably disposed in the outer frame 311, and the control member 313 is connected to the inner frame 312 and exposed outside the outer frame 311 to be controlled to move with the inner frame 312, and the blade 320 is mounted on the inner frame 312. Specifically, the inner frame 312 has a slot 3122, the control member 313 has a plug 3131, and the plug 3131 is inserted into the slot 3122 to connect the control member with the connection. For ease of assembly, the outer frame 311 includes a first frame body 3111 and a second frame body 3112 fastened together, and an installation space of the inner frame is formed between the first frame body 3111 and the second frame body 3112. The front ends of the first frame body and the second frame body are provided with slit outlets for the blades to extend out of the outer frame or retract into the outer frame. The back portions of the first frame 3111 and the second frame 3112 have slits 3113 extending in the front-rear direction, and the second frame has a plurality of positioning grooves 3114 extending in the front-rear direction of the slits, and the shoulder 3132 of the operating member is positioned in the positioning groove 3114 to position the inner frame and fix the position of the blade. A first elastic element 314 is arranged between the inner frame 312 and the control piece 313, and the elastic force of the first elastic element 314 promotes the shoulder 3132 of the control piece to be positioned in the corresponding positioning groove.

The inner frame 312 is provided with a lock member 315, and the lock member 315 has a tongue portion 3151 and a force receiving portion 3152. The back of blade 320 has a notch 321. The blade 320 abuts against the left side of the inner frame 312 and its notch 321 is caught by the tongue 3151 and locked to the inner frame by the lock. The unlocking piece 316 is arranged on the outer frame 311, when the inner frame 312 moves forwards to the position, corresponding to the unlocking piece 316, of the locking piece 315, the unlocking piece 316 is pressed rightwards and sideways, the unlocking piece abuts against the force bearing part 3152 of the locking piece, the tongue 3151 is enabled to move rightwards to leave the notch 321 to unlock the locking piece 315, and at the moment, the blade can be taken down from the tool rest or put into the tool rest.

The locking member 315 is pivotally mounted on the inner frame 312, the inner frame 312 is provided with a magnetic steel 3121, and the blade 320 and the locking member 315 are attracted by the magnetic steel 3121 and are abutted against the inner frame 312. Accordingly, the blade can be prevented from shaking, and the blade can be reliably locked by the locking piece.

In view of the above, the blade 320 can be positioned in the receiving cavity 103 when the tool bit assembly 300 is folded into the receiving cavity 103 or extend from the receiving cavity 103 through the opening 104 for use.

Claims

1. A folding knife, characterized by comprising:

A handle (100) having a receiving cavity (103) with an opening (104) at the rear end of the receiving cavity;

The cutter head assembly (300) is mounted on the front part of the handle via a pivot (200) so as to be folded into or unfolded from the accommodating cavity. The cutter head assembly comprises a cutter holder (310) and a blade (320) movably arranged on the cutter holder. When the cutter head assembly is folded into the accommodating cavity, the blade (320) can be located in the accommodating cavity and stored, or can extend from the accommodating cavity through the opening of the handle for use.

2. The folding knife according to claim 1 is characterized in that: a movable shielding member (105) movable between a shielding position and an avoidance position is arranged at the opening (104); when the movable shielding member (105) is located at the shielding position, it prevents the blade from extending out of the handle from the accommodating cavity through the opening (104); when the movable shielding member is located at the avoidance position, it allows the blade to extend out of the handle from the accommodating cavity through the opening (104).

3. The folding knife according to claim 2 is characterized in that: a matching positioning structure is provided on the movable shielding member (105) and the handle (100), and the movable shielding member is positioned by the positioning structure when it is in the shielding position and the avoidance position.

4. The folding knife according to claim 3, characterized in that the positioning structure comprises a positioning pit (106) and a positioning protrusion (107) which are separately arranged on the movable shielding member and the handle.

5. The folding knife according to any one of claims 2 to 4, characterized in that the movable shielding member (105) is rotatably assembled on the handle (100) via the shaft (108).

6. The folding knife according to any one of claims 1 to 4 is characterized in that: the knife holder (310) includes an outer frame (311), an inner frame (312) and an operating member (313), the inner frame (312) is slidably arranged in the outer frame (311), the operating member (313) is connected to the inner frame (312) and exposed outside the outer frame so as to be controlled to move the inner frame, and the blade (320) is assembled on the inner frame (312).

7. The folding knife according to claim 6 is characterized in that: the outer frame (311) has a plurality of positioning grooves (3114) distributed in the front-to-back direction, and the control member (313) is positioned in the positioning grooves (3114) to fix the position of the blade.

8. The folding knife according to claim 7 is characterized in that a first elastic element (314) is arranged between the inner frame (312) and the operating member (313), and the elastic force of the first elastic element (314) causes the operating member (313) to be positioned in the corresponding positioning groove (3114).

9. The folding knife according to claim 6 is characterized in that: the inner frame (312) is provided with a locking member (315), the blade (320) is locked on the inner frame (312) by the locking member (315), and the outer frame (311) is provided with an unlocking member (316), and when the inner frame moves forward until the locking member (315) corresponds to the unlocking member (316), the locking member is unlocked by the unlocking member.

10. The folding knife according to claim 9 is characterized in that: the locking member (315) is swingably assembled on the inner frame (312), a magnet (3121) is arranged on the inner frame (312), the blade (320) and the locking member (315) are adsorbed by the magnet (3121) and abut against the inner frame (312), and the unlocking member (316) is configured to be unlocked by pressing sideways.