CN217476005U

CN217476005U - Locking structure of telescopic cutter

Info

Publication number: CN217476005U
Application number: CN202220497449.3U
Authority: CN
Inventors: 周强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-23
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a locking structure of flexible cutter, this flexible cutter includes: the rear end of the blade is provided with a sliding block; the main handle is used for accommodating the blade, a sliding groove is formed in the side face of the main handle, the sliding block can slide in the sliding groove, and the blade can extend out of the front end of the main handle; and the rear end of the auxiliary handle is pivotally combined with the rear end of the main handle, and the auxiliary handle can be buckled on the main handle. The locking structure includes: the elastic reed extends forwards and backwards from the lower end of one side of the auxiliary handle, one end of the reed is connected with the auxiliary handle, and the rest part of the reed is suspended, wherein when the auxiliary handle is buckled with the main handle, the reed is positioned corresponding to the sliding groove of the main handle, and a locking part and an unlocking part are arranged on the reed; and an outer plate coupled to the sub-handle at an outer side of the spring plate, the outer plate having a slidable pressing means thereon, wherein when the pressing means slides to the locking portion, the spring plate is pressed to be at least partially positioned in the slide groove, thereby prohibiting the sub-handle from pivotally expanding, and when the pressing means slides to the unlocking portion, the spring plate leaves the slide groove by elasticity, thereby enabling the sub-handle to pivotally expand.

Description

Locking structure of telescopic cutter

Technical Field

The utility model relates to a cutter technical field especially relates to a locking structure of flexible cutter.

Background

ZL202020022000.2 discloses a telescopic knife in which a slide pin on a blade slides in a slide slot in a main handle so that the blade is telescopic in the main handle, a secondary handle pivots about a pivot axis of the main handle, and a positioning structure on the secondary handle locks the slide pin on the blade when the secondary handle is closed with the main handle so as to fix the position of the blade.

However, the cutter has a problem in that, when the cutter is put into a pocket of clothes or put into a bag to be carried around, if the sub-handle is unfolded due to bumping, the blade may protrude from the main handle, thereby causing damage to clothes or the body, etc., and therefore, a sheath or a case is additionally provided when carrying the cutter, which causes inconvenience in carrying.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a locking structure of flexible cutter, this flexible cutter includes: the rear end of the blade is provided with a sliding block; the main handle is used for accommodating the blade, a sliding groove is formed in the side face of the main handle, the sliding block can slide in the sliding groove, and the blade can extend out of the front end of the main handle; and the auxiliary handle is pivotally combined with the rear end of the main handle, can be buckled on the main handle and is provided with a front stop part and a rear stop part, and when the auxiliary handle is buckled on the main handle, the front stop part or the rear stop part clamps the slide block of the blade so as to lock the blade in a use state or a retraction state. The locking structure includes: the elastic reed extends forwards and backwards from the lower end of one side of the auxiliary handle, one end of the reed is connected with the auxiliary handle, and the rest part of the reed is suspended, wherein when the auxiliary handle is buckled with the main handle, the reed is positioned corresponding to the sliding groove of the main handle, and a locking part and an unlocking part are arranged on the reed; and an outer plate coupled to the sub-handle at an outer side of the spring plate, the outer plate having a slidable pressing means thereon, the pressing means pressing the spring plate to position the spring plate at least partially in the slide groove when sliding to the locking portion, thereby prohibiting the sub-handle from pivotally expanding, and the pressing means sliding to the unlocking portion, the spring plate elastically leaving the slide groove, thereby enabling the sub-handle to pivotally expand.

Preferably, the rear end of the spring plate is connected to the sub-stem.

Preferably, the pressing means comprises a push block on the outside of the outer plate and a locking bead on the inside of the outer plate, the push block and the locking bead being connected by a length of slit in the outer plate and over which the pressing means can slide.

Preferably, the locking part and the unlocking part are two recesses with different depths on the spring plate, wherein the locking part is shallow and the unlocking part is deep.

Preferably, the locking part and the unlocking part are both ends of an inclined groove on the spring plate, wherein the locking part is positioned at the shallower end of the inclined groove, and the unlocking part is positioned at the deeper end of the inclined groove.

Compared with the prior art, the utility model provides a locking structure of flexible cutter has following beneficial effect:

the utility model discloses an extrusion device on planking surface extrudees the reed, makes the reed at least part be arranged in the spout to lock vice handle in the main handle. Therefore, the auxiliary handle cannot rotate relative to the main handle when the portable knife is carried, the blade cannot move when the knife is carried, and safety of a user is protected.

Drawings

FIG. 1 is a perspective view of the telescopic cutting tool of the present invention;

FIG. 2 is a perspective view of the auxiliary handle of the telescopic cutting tool of the present invention;

FIG. 3 is a three-dimensional structure view of the main handle of the telescopic cutting tool of the present invention;

fig. 4 is a three-dimensional structure view of the extruding device of the telescopic cutter of the invention;

fig. 5 is a perspective view of the blade of the retractable knife of the present invention.

The reference numbers in the figures: 1. a blade; 12. a slider; 2. an auxiliary handle; 21. a front stopper; 22. an unlocking portion; 23. a locking portion; 24. a rear stopper; 26. a reed; 3. an outer plate; 4. an extrusion device; 41. a pushing block; 42. a locking bead; 5. a main handle; 53. a chute.

Detailed Description

The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings. It is obvious that the described embodiments are only some, but not all, of the embodiments of the present invention. Based on the description herein, one of ordinary skill in the art can obtain possible other embodiments without creative efforts, and the other embodiments are within the protection scope of the present invention.

In the present specification and claims, the forward direction is defined as the direction in which the blade projects from the main shank, and the direction opposite to the forward direction is defined as the rearward direction; defining the direction of the auxiliary handle relative to the main handle as an upper direction, and defining the direction opposite to the upper direction as a lower direction; a direction perpendicular to the front-back direction and the up-down direction is defined as a lateral direction. Furthermore, the drawings are merely exemplary of the technical solution of the invention in order to facilitate the understanding of the invention in conjunction with the detailed description that follows, and are not drawn to scale nor are all technical details drawn.

The utility model relates to a flexible cutter includes: a blade 1 provided at its rear end with a slider 12, as shown in fig. 1 and 5; a main handle 5 for accommodating the blade 1, a sliding groove 53 is arranged on the side surface, the sliding block 12 can slide in the sliding groove 53, the sliding block 12 protrudes out of the sliding groove 53, the blade 1 can extend out from the front end of the main handle 5, wherein the sliding groove 53 can be arranged on one side of the main handle 5 and can also be arranged on two sides of the main handle 5, correspondingly, the sliding block 12 can be arranged on one side of the blade 1 and can also be arranged on two sides of the blade 1, as shown in fig. 1 and 3; the auxiliary handle 2 is pivotally coupled at its rear end to the rear end of the main handle 5, for example, by a pin, the auxiliary handle 2 is engageable with the main handle 5, the auxiliary handle 2 has a front stopper portion 21 and a rear stopper portion 24, and when the auxiliary handle 2 is engaged with the main handle 5, the front stopper portion 21 or the rear stopper portion 24 catches a portion of the slider 12 of the blade 1 protruding from the chute 53, thereby locking the blade 1 in the use state or the retracted state. The utility model discloses a locking structure includes: an elastic spring 26 extending back and forth at the lower end of one side of the auxiliary stem 2 (at the side where the slide groove 53 of the main stem 5 is located when the slide groove 53 is provided at only one side of the main stem 5; at either side of the auxiliary stem 2 when the slide grooves 53 are provided at both sides of the main stem 5), one end of the spring 26 being connected to the auxiliary stem 2, and the remaining part being suspended, preferably, the rear end of the spring 26 being connected to the auxiliary stem 2, wherein the spring 26 corresponds to the position of the slide groove 53 of the main stem 5 when the auxiliary stem 2 is fastened to the main stem 5, and the spring 26 has a locking part 23 and an unlocking part 22 thereon, as shown in fig. 2; and an outer plate 3 coupled to the sub-stem 2 outside the leaf spring 26, as shown in fig. 1, the outer plate 3 may be coupled to the sub-stem 2 by, for example, a bolt, or may be coupled by welding or other means, the present invention is not limited in this respect, and the outer plate 3 has a slidable pressing device 4 thereon, as shown in fig. 1 and 4, when the pressing device 4 slides to the locking portion 23, the leaf spring 26 is pressed to be at least partially positioned in the sliding groove 53, thereby prohibiting the sub-stem 2 from pivotally expanding, and when the pressing device 4 slides to the unlocking portion 22, the leaf spring 26 leaves the sliding groove 53 by elasticity, thereby the sub-stem 2 can pivotally expand.

Preferably, the pressing means 4 comprises a pusher block 41 on the outside of the outer plate 3 and a locking bead 42 on the inside of the outer plate 3, as shown in fig. 4. The pusher block 41 and the locking bead 42 are engaged by a segment of the slit in the outer plate 3 and the pressing means 4 can slide on this segment of the slit.

Preferably, the locking part 23 and the unlocking part 22 are two recesses with different depths on the spring plate, wherein the locking part 23 is shallower and the unlocking part 22 is deeper.

Preferably, the locking part 23 and the unlocking part 22 are both ends of an inclined groove on the spring plate, wherein the locking part 23 is located at the shallower end of the inclined groove and the unlocking part 22 is located at the deeper end of the inclined groove (not shown in the drawing).

The sub-stem 2 and the spring plate 26 may be formed integrally and by cutting, the spring plate is formed. In this case, the sub-shank 2 and the spring plate may be formed of a resilient metal or alloy, such as a titanium alloy. The reed 26 may be separately processed from an elastic metal or alloy, and one end thereof is fixed to the sub-stem 2 by welding or the like.

In use, the user moves the pressing means 4 (particularly the pushing block 41) with his fingers to the deeper unlocking part 22, at which time, due to the deeper unlocking part 22, the locking bead 42 of the pressing means 4 leaves the spring 26, the spring 26 resiliently rebounds away from the slide groove 53, so that the sub-handle 2 can be pivotally unfolded with respect to the main handle 5, the slider 12 can slide to the foremost end of the slide groove 53, and then the main handle 5 and the sub-handle 2 are combined, at which time, the front stopping part 21 of the sub-handle 2 catches the portion of the slider 12 protruding from the slide groove 53, so that the blade 1 is in a use state. After use, the user unfolds the auxiliary handle 2, slides the slider 12 to the rearmost end of the slide groove 53, and then merges the main handle 5 and the auxiliary handle 2, at which time the rear stopper portion 24 of the auxiliary handle 2 catches the portion of the slider 12 protruding from the slide groove 53, so that the blade 1 is in the retracted state. At this point, the user moves the pressing means 4 (in particular the pusher 41) with his fingers to the shallow latching section 22, at which point the locking bead 42 of the pressing means 4 presses against the spring plate 26, so that the spring plate 26 is at least partially in the sliding groove 53. In this state, the sub-handle 2 is not unintentionally deployed.

Although exemplary 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

1. A locking structure of a telescopic cutter, the telescopic cutter comprising: a slide block (12) is arranged at the rear end of the blade (1); the main handle (5) is used for accommodating the blade (1), a sliding groove (53) is formed in the side surface of the main handle, the sliding block (12) can slide in the sliding groove (53), and the blade (1) can extend out of the front end of the main handle (5); and an auxiliary handle (2) whose rear end is pivotally coupled to the rear end of the main handle (5), the auxiliary handle (2) being snappable on the main handle (5), the auxiliary handle (2) having a front stopper portion (21) and a rear stopper portion (24), the front stopper portion (21) or the rear stopper portion (24) catching the slider (12) of the blade (1) when the auxiliary handle (2) is snappingly coupled on the main handle (5) to thereby lock the blade (1) in a use state or a retracted state,

characterized in that, this locking structure includes: an elastic spring plate (26) extending forwards and backwards at the lower end of one side of the auxiliary handle (2), one end of the spring plate (26) is connected with the auxiliary handle (2), and the rest part is suspended, wherein when the auxiliary handle (2) is buckled on the main handle (5), the spring plate (26) corresponds to the position of a sliding groove (53) of the main handle (5), and a locking part (23) and an unlocking part (22) are arranged on the spring plate (26); and an outer plate (3) combined with the auxiliary handle (2) at the outer side of the reed (26), wherein the outer plate (3) is provided with a slidable extrusion device (4), when the extrusion device (4) slides to the locking part (23), the extrusion device (4) extrudes the reed (26) to enable the reed (26) to be at least partially positioned in the sliding groove (53), so that the auxiliary handle (2) is prohibited from pivoting and unfolding, and when the extrusion device (4) slides to the unlocking part (22), the reed (26) leaves the sliding groove (53) through elasticity, so that the auxiliary handle (2) can pivot and unfold.

2. The locking structure of a telescopic cutter according to claim 1, wherein the rear end of the reed (26) is connected to the sub shank (2).

3. The locking structure of a telescopic cutter as claimed in claim 1, wherein the pressing means (4) comprises a push block (41) on the outside of the outer plate (3) and a locking bead (42) on the inside of the outer plate, the push block (41) and the locking bead (42) being combined through a section of slit in the outer plate (3) and the pressing means (4) being slidable on the section of slit.

4. A locking structure of a telescopic tool according to claim 1, characterized in that the locking portion (23) and the unlocking portion (22) are two recesses of different depths on the spring plate (26), wherein the locking portion (23) is shallower and the unlocking portion (22) is deeper.

5. A locking structure of a telescopic cutter according to claim 1, characterized in that the locking portion (23) and the unlocking portion (22) are both ends of an inclined groove on the spring plate (26), wherein the locking portion (23) is located at a shallower end of the inclined groove and the unlocking portion (22) is located at a deeper end of the inclined groove.