CN214293210U

CN214293210U - Art designing knife with replaceable blade

Info

Publication number: CN214293210U
Application number: CN202022808446.0U
Authority: CN
Inventors: 叶根
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-28
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses an art designing knife with replaceable blade, which comprises a left handle piece and a right handle piece which are arranged oppositely, a knife rest and a blade, wherein the knife rest can be opened and closed by rotating relative to the left handle piece and the right handle piece, the front end and the top of the knife rest are both of an open structure, the top of the knife rest is provided with a locking cover which can be opened and closed by rotating relative to the knife rest, the blade is inserted into the knife rest from the front end of the knife rest, the blade is provided with a first buckling position, the locking cover is provided with a first locking buckle, when the blade is inserted into the knife rest and the locking cover is closed by rotating, the first locking buckle is buckled with the first buckling position, the rear end of the locking cover is provided with a second buckling position, a locking piece is arranged in the knife rest, when the knife rest is closed by rotating, the locking piece is buckled with the second buckling position, thereby the locking cover is fixed, the blade can not be taken out under the closed state of the knife rest, the carrying and the use are safer, when the knife rest is rotated to the open state, the locking piece can be separated from the second buckling position, so that the locking cover can be opened to take out the blade, and the locking and unlocking operations of the locking cover are convenient.

Description

Art designing knife with replaceable blade

Technical Field

The utility model belongs to the technical field of the cutter, concretely relates to art designing sword of removable blade.

Background

The structure of current art designer's sword generally includes handle of a knife and with handle of a knife articulated knife rest, and the cartridge has the blade on the knife rest, and the upper portion of knife rest has the locking closure, and the locking closure can rotate relative to the knife rest and open and close, and during the use, when the blade inserts in the knife rest and the locking closure rotates to the closure state under, the locking closure can play the locking effect to the blade, prevents that the blade from deviating from the knife rest, and is safe in utilization. When the locking cover is rotated to be opened, the blade can be taken out of the blade holder, so that the blade is convenient to replace. However, the existing art knife has the following disadvantages: the lock cover can be automatically opened when the utility knife is carried, so that the blade is separated from the knife rest and is easy to lose, and the locking is not stable enough.

SUMMERY OF THE UTILITY MODEL

To the not enough among the prior art above, the utility model aims at providing a more firm art knife is locked to the blade under the closed condition.

In order to achieve the above purpose, the utility model discloses the technical scheme who takes does: an art knife with a replaceable blade comprises a left handle piece, a right handle piece, a knife rest and a blade, wherein the left handle piece and the right handle piece are arranged oppositely, the knife rest is hinged between the left handle piece and the right handle piece, the blade is arranged in the knife rest, the knife rest can be opened and closed in a rotating mode relative to the left handle piece and the right handle piece, the front end and the top of the knife rest are both of an open structure, a lock cover is arranged at the top of the knife rest, the front end of the lock cover is hinged with the knife rest so that the lock cover can be opened and closed in a rotating mode relative to the knife rest, the blade is inserted into the knife rest from the front end of the knife rest, a first buckling position is arranged on the blade, a first lock catch is arranged at the position, corresponding to the first buckling position, when the blade is inserted into the knife rest and the lock cover rotates to the closed state, a second buckling position is arranged at the rear end of the lock cover, the second buckling position is arranged on the inner side of the knife rest, a locking piece is further arranged on the inner side of the knife rest, and when the knife rest rotates to the closed state, the locking piece is buckled with the second buckling position, and when the knife rest rotates to an opening state, the locking piece is separated from the second buckling position.

In the above scheme, through being equipped with the second at the rear end of locking closure and detaining the position, when the knife rest rotated to the closure state, the locking piece of knife rest and the second of locking closure detained the position lock to play the fixed action to the locking closure, guarantee that the locking closure can't rotate and open, so that the first hasp of locking closure can not break away from the first knot position of blade, thereby guarantee that the blade can't take out from the knife rest under the knife rest closure state. When the knife rest rotates to an open state, the locking piece can be separated from the second buckling position, and at the moment, the locking cover can be rotated to open, so that the first locking buckle of the locking cover is separated from the first buckling position of the blade, and the blade can be taken out of the knife rest to be replaced. In addition, when the tool rest is used, the locking cover can be automatically locked when the tool rest is rotated and closed, and the locking of the locking cover is automatically released when the tool rest is rotated and opened, so that the functions of automatic locking and unlocking are realized, and the operation is simple and quick.

Further, foretell locking piece is for articulating in the inboard locking piece of knife rest through first pivot, the lateral wall of locking piece is equipped with the second hasp and the traveller that extends to handle piece one side right, the arc spacing groove has been seted up to the inboard of right handle piece, the position that the knife rest corresponds the traveller has been seted up and has been dodged the hole, the traveller of locking piece passes and dodges the hole and insert the arc spacing inslot, when the knife rest rotated to the closure state, the second hasp and the second hasp phase lock of locking piece, thereby lock the locking closure, avoid the locking closure to rotate naturally and lead to the blade to deviate from. When the knife rest rotates to an open state, the second lock catch of the lock block is separated from the second lock position, so that the lock cover can be rotated to open and take out the blade.

In order to enhance the closing stability of the lock cover, an elastic sheet is arranged in the knife rest, a fastening groove is formed in the position, corresponding to the free end of the elastic sheet, of the lock cover, when the lock cover rotates to a closed state relative to the knife rest, the free end of the elastic sheet is inserted into the fastening groove of the lock cover, and the lock cover is prevented from being opened naturally through rotation.

Further, the rear end of foretell locking closure is equipped with the fixed block, can conveniently pull the locking closure through the fixed block and rotate, and the knife rest corresponds the fixed block position and is equipped with and dodges the groove, and when the relative knife rest of locking closure rotated to the closure state, the fixed block was detained and is dodged the inslot, can further improve the closed steadiness to the locking closure like this.

Further, foretell knife rest is including relative left side board and the right side board that sets up and locate the parting bead of bottom position between left side board and the right side board, and the rear end of parting bead upwards extends to have a spacing block, and the rear end of parting bead still is equipped with the connecting block, and a round pin axle passes left handle piece, left side board, connecting block, right side board in proper order and is connected with the right handle piece, can make things convenient for the dismouting of knife rest like this.

Furthermore, the upper end of the connecting block is further provided with a stop block, the second buckling position of the lock cover is located below the stop block, and when the lock cover rotates upwards to the position below the stop block, the second buckling position of the lock cover can be blocked below the stop block, so that the lock cover can be prevented from being opened through upwards excessive rotation.

The utility model discloses an art designer's sword rotates to the closure under at the knife rest, the second hasp of locking piece can play the fixed action to the locking closure for the locking closure can't rotate and open, thereby guarantee that the blade can't break away from the knife rest under the closure, carry and use safelyr, and can remove the locking to the locking closure automatically when rotating the knife rest of opening, realize automatic locking and unblock function, not only can guarantee the locking steadiness of blade under the closure, and locking and unblock easy operation are quick again.

Drawings

Fig. 1 is an exploded schematic view of an art knife according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the utility model, showing the knife rest opened state.

Fig. 4 is a schematic structural view of the closed state of the blade holder of the utility model knife.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.

In order to explain the embodiment more simply, some parts of the drawings or descriptions that are well known to those skilled in the art but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.

Examples

As shown in fig. 1, 2, and 3, the present embodiment provides an art knife with replaceable blade, including a left handle 11 and a right handle 12, which are oppositely disposed, a knife holder hinged between the left handle 11 and the right handle 12, and a blade 3 disposed in the knife holder, where the knife holder includes a left side plate 24 and a right side plate 25, which are oppositely disposed, and a spacer 26 disposed at a bottom position between the left side plate 24 and the right side plate 25, a limiting block 261 extends upward from a rear end of the spacer 26, a connecting block 262 is further disposed at a rear end of the spacer 26, the limiting block 261, and the connecting block 262 are integrated, and a pin 6 sequentially penetrates through a front end of the left handle 11, a rear end of the left side plate 24, the connecting block 262, and a rear end of the right side plate 25 to be connected to the right handle 12. The blade 3 is inserted between the left side plate 24 and the right side plate 25 corresponding to the upper position of the division bar 26, and the tail end face of the blade 3 is abutted against the limit block 261 of the division bar 26, so that the blade 3 is prevented from being excessively inserted backwards. A locking cover 21 is arranged between the left handle piece 11 and the right handle piece 12 corresponding to the upper part of the blade 3, and the front end of the locking cover 21 is hinged to the upper part of the front end between the left side plate 24 and the right side plate 25 through a second rotating shaft 52, so that the rear end of the locking cover 21 can be opened and closed in a rotating way relative to the left side plate 24 and the right side plate 25.

First knot position 31 has been seted up on foretell blade 3, first knot position 31 is for seting up the recess above the blade 3, the position that the locking closure 21 corresponds first knot position 31 is equipped with first lock 211, first lock 211 is for locating the arch below the locking closure 21, insert between left side board 24 and the right side board 25 with stopper 261 inconsistent when the tail end of blade 3, and the locking closure 21 rotates to the closure state, the arch of locking closure 21 can be blocked in the recess of blade 3, can lock blade 3 like this, avoid blade 3 to break away from the knife rest. When the blade 3 needs to be taken out of the blade holder, the locking cover 21 can be rotated to be opened, so that the blade 3 can be taken out after the protrusion of the locking cover 21 is separated from the groove of the blade 3.

As shown in fig. 1 and 2, the inner side of the knife rest is further provided with a locking member, the locking member is a locking block 4 hinged between the left side plate 24 and the right side plate 25 through a first rotating shaft 51, a second lock catch 41 extending upwards and a sliding column 42 extending towards one side of the right handle piece 12 are arranged on the side wall of the locking block 4, an arc-shaped limiting groove 120 is formed in the inner side of the right handle piece 12, an avoiding hole 20 is formed in the position, corresponding to the sliding column 42, of the right side plate 25, the sliding column 42 of the locking block 4 penetrates through the avoiding hole 20 and is inserted into the arc-shaped limiting groove 120, and a second lock catch 212 is further arranged at the tail end of the locking cover 21. When the blade carrier is used, in the process that the blade carrier rotates towards the closing direction in the opening state, the blade carrier can drive the sliding column 42 of the locking block 4 to slide along the arc-shaped limiting groove 120 while rotating, when the sliding column 42 slides to the right end of the arc-shaped limiting groove 120, the sliding column 42 can be blocked by the right end of the arc-shaped limiting groove 120 and cannot slide continuously, the second lock catch 41 of the locking block 4 can be rotated by continuously rotating the blade carrier, when the blade carrier is continuously rotated to the closing state, as shown in fig. 4, the second lock catch 41 of the locking block 4 can be automatically buckled with the second buckling position 212 of the locking cover 21, so that the locking cover 21 is fixed, the locking cover 21 cannot be rotated and opened, and the locking stability of the blade 3 in the closing state of the blade carrier is ensured. When the blade holder rotates in the opening direction in the closed state, the sliding column 42 of the locking block 4 also slides relative to the arc-shaped limiting groove 120 while the blade holder rotates, and when the sliding column 42 slides to the left end of the arc-shaped limiting groove 120, the left end of the arc-shaped limiting groove 120 blocks the sliding column 42 from sliding, at this time, the second lock catch 41 of the locking block 4 rotates by continuing to rotate the blade holder, and when the blade holder continues to rotate to the open state, as shown in fig. 3, the second lock catch 41 of the locking block 4 disengages from the second lock catch 212 of the lock cover 21, so that the lock cover 21 can be rotated to open, and the protrusion of the lock cover 21 disengages from the groove of the blade 3, so that the blade 3 can be taken out of the blade holder, and the blade 3 can be conveniently replaced.

As shown in fig. 1, 2, and 3, the knife rest is further provided with an elastic sheet 22, the elastic sheet 22 is of a wave-breaking structure, one end of the elastic sheet 22 is hinged between the left side plate 24 and the right side plate 25 through a second rotating shaft 52, the elastic sheet 22 is located between the lock cover 21 and the blade 3, a fastening groove 213 is formed below the lock cover 21 and corresponding to a free end of the elastic sheet 22, when the lock cover 21 rotates to a closed state relative to the knife rest, the free end of the elastic sheet 22 is inserted into the fastening groove 213 of the lock cover 21, and the wave-breaking elastic sheet 22 is pressed by the lock cover 21 to be in a retracted state, so that the fastening groove 213 is limited by the free end of the elastic sheet 22, thereby preventing the lock cover 21 from naturally rotating upwards to open, and enhancing the closing stability of the lock cover 21. When the locking cover 21 needs to be forcibly rotated to be opened upwards, the user needs to rotate the locking cover 21 by using the limiting force larger than the elastic sheet 22, and when the locking cover 21 is rotated upwards to be opened, the elastic sheet 21 compressed by pressure can automatically reset, so that the locking cover 21 can be assisted when rotating upwards, the protrusion of the locking cover 21 is easily separated from the groove of the blade 3, and the blade 3 can be taken out.

The rear end of the locking cover 21 is provided with the fixing block 24, when the locking cover is used, a user can control the rotation of the locking cover 21 by pulling the fixing block 24, the avoidance groove 23 is formed in the positions, corresponding to the fixing block 24, of the left side plate 24 and the right side plate 25, when the locking cover 21 rotates to a closed state relative to the knife rest, the fixing block 24 is buckled into the avoidance groove 23, and therefore the closing stability of the locking cover 21 can be further improved.

As shown in fig. 3, the upper end of the connecting block 262 is further provided with a stop 2621, the second buckling position 212 of the locking cover 21 is located below the stop 2621, and when the locking cover 21 rotates upward to a position below the stop 2621, the second buckling position 212 of the locking cover 21 is blocked by the lower surface of the stop 2621, so that the locking cover 21 can be prevented from rotating upward excessively to be opened, and the locking cover 21 can be rotated and closed again.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and the design concept of the present invention is right, the insubstantial modification made by the present invention all falls into the protection scope of the present invention.

Claims

1. An art knife with a replaceable blade comprises a left handle piece (11) and a right handle piece (12) which are arranged oppositely, a knife rest hinged between the left handle piece (11) and the right handle piece (12), and a blade (3) arranged in the knife rest, wherein the knife rest can be opened and closed in a rotating mode relative to the left handle piece (11) and the right handle piece (12), the front end and the top of the knife rest are both of an opening structure, a locking cover (21) is arranged at the top of the knife rest, the front end of the locking cover (21) is hinged with the knife rest, so that the locking cover (21) can be opened and closed in a rotating mode relative to the knife rest, the blade (3) is inserted into the knife rest from the front end of the knife rest, a first buckling position (31) is arranged on the blade (3), a first lock catch (211) is arranged at a position, corresponding to the first buckling position (31), of the lock cover (21) and the first buckling position (31) of the blade (3) are mutually buckled when the blade (3) is inserted into the knife rest and the locking cover (21) rotates to a closed state, the method is characterized in that: the rear end of the lock cover (21) is provided with a second buckling position (212), the second buckling position (212) is positioned on the inner side of the knife rest, the inner side of the knife rest is also provided with a locking piece, when the knife rest rotates to a closed state, the locking piece is buckled with the second buckling position (212), and when the knife rest rotates to an open state, the locking piece is separated from the second buckling position (212).

2. The replaceable blade utility knife of claim 1, wherein: the locking piece for hinge in the inboard locking piece (4) of knife rest through first pivot (51), the lateral wall of locking piece (4) is equipped with second hasp (41) and traveller (42) that handle piece (12) one side extended right, the inboard of right handle piece (12) seted up arc spacing groove (120), the position that the knife rest corresponds traveller (42) has been seted up and has been dodged hole (20), traveller (42) of locking piece (4) pass and dodge hole (20) and insert in arc spacing groove (120), when the knife rest rotates to the closure state, second hasp (41) and the second of locking piece (4) are detained position (212) and are detained mutually, when the knife rest rotated to the open mode, second hasp (41) of locking piece (4) break away from second and detain position (212).

3. The replaceable blade utility knife of claim 1, wherein: the tool rest is internally provided with an elastic sheet (22), the free end of the lock cover (21) corresponding to the elastic sheet (22) is provided with a buckling groove (213), and when the lock cover (21) rotates to a closed state relative to the tool rest, the free end of the elastic sheet (22) is inserted into the buckling groove (213) of the lock cover (21).

4. The replaceable blade utility knife of claim 1, wherein: the rear end of locking closure (21) be equipped with fixed block (214), the knife rest corresponds fixed block (214) position and is equipped with and dodges groove (23), when locking closure (21) rotated to the closure state relatively the knife rest, fixed block (214) detained and dodge in groove (23).

5. The replaceable blade utility knife of claim 2, wherein: the knife rest comprises a left side plate (24) and a right side plate (25) which are arranged oppositely, and a parting bead (26) which is arranged at the bottom between the left side plate (24) and the right side plate (25), wherein the rear end of the parting bead (26) extends upwards to form a limiting block (261), the rear end of the parting bead (26) is further provided with a connecting block (262), and a pin shaft (6) penetrates through a left handle piece (11), the left side plate (24), the connecting block (262), and the right side plate (25) to be connected with a right handle piece (12) in sequence.

6. The replaceable blade utility knife of claim 5, wherein: the upper end of the connecting block (262) is also provided with a stop block (2621), and the second buckling position (212) of the locking cover (21) is positioned below the stop block (2621).