CN220875170U - Scissors with replaceable blade - Google Patents

Abstract

The utility model discloses scissors with replaceable blades, which comprise a handle assembly, a shearing assembly and a limiting mechanism, wherein the handle assembly comprises a first handle and a second handle which are mutually hinged, the first handle is provided with a first handle cavity, and the second handle is provided with a second handle cavity; the shearing assembly comprises a first shearing piece and a second shearing piece which are mutually hinged, one end of the first shearing piece is provided with a first shearing arm matched with the first handle cavity, one end of the second shearing piece is provided with a second shearing arm matched with the second handle cavity, the shearing assembly can be inserted into the handle assembly, the first shearing arm can be inserted into the first handle cavity, and the second shearing arm can be inserted into the second handle cavity; the limiting mechanism can lock or unlock the handle assembly and the shearing assembly to limit the shearing assembly from being separated from the handle assembly or allow the shearing assembly to be separated from the handle assembly, so that a user can replace different shearing assemblies according to needs, different use needs are met, the use is flexible, and the use cost is reduced.

Description

Scissors with replaceable blade

Technical Field

The utility model relates to the field of shearing tools, in particular to scissors with replaceable blades.

Background

At present, most of commonly used scissors are of fixed shearing structures, but when in practical application, such as gardening application, scissors with different specifications or different shearing edges are needed for shearing thin branches, thick branches or shaping, a plurality of scissors with different specifications are usually needed to be configured, and once the scissors are damaged, the scissors need to be replaced integrally, so that the use cost is high.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the scissors with the replaceable blades, which can replace different blades according to the use requirement, is flexible to use and reduces the use cost of the scissors.

According to the embodiment of the first aspect of the utility model, the scissors with the replaceable blade comprise a handle assembly, a shearing assembly and a limiting mechanism, wherein the handle assembly comprises a first handle and a second handle which are mutually hinged, the first handle is provided with a first handle cavity, and the second handle is provided with a second handle cavity; the cutting assembly comprises a first cutting member and a second cutting member which are hinged with each other, one end of the first cutting member is a first cutting arm matched with the first handle cavity, one end of the second cutting member is a second cutting arm matched with the second handle cavity, the cutting assembly can be inserted into the handle assembly, the first cutting arm is inserted into the first handle cavity, and the second cutting arm is inserted into the second handle cavity; the limiting mechanism can lock or unlock the handle assembly and the shearing assembly, the limiting mechanism comprises a switching mechanism and a limiting structure matched with the switching mechanism, one of the switching mechanism and the limiting structure is arranged on the handle assembly, the other is arranged on the shearing assembly, and the switching mechanism can be driven to be matched with or separated from the limiting structure so as to limit the shearing assembly to be separated from the handle assembly or allow the shearing assembly to be separated from the handle assembly.

The scissors with the replaceable cutting edges provided by the embodiment of the utility model have at least the following beneficial effects: when the shear is normally used, the limiting mechanism locks the handle assembly and the shear assembly, so that the shear can be normally sheared and used, when the limiting mechanism unlocks the handle assembly and the shear assembly, a user can replace different shear assemblies according to needs, different use needs are met, the shear is flexible to use, the multifunctional shear can be met only by configuring one set of handle assembly and multiple sets of shear assemblies, the cost is reduced, and the handle assembly or the shear assembly can be independently replaced when damaged, so that the use cost is further reduced.

According to some embodiments of the utility model, the switch mechanism is a rotating member rotatably disposed on the first handle or the second handle, the rotating member is provided with an extension portion along an axial direction of the rotating member, the limiting structure is a protruding structure disposed on the first shearing member or the second shearing member, a direction of inserting the shearing assembly into the handle assembly is set to be rear, the rotating member can rotate to a locking position after the shearing assembly is inserted into the handle assembly, the extension portion rotates to a front of the protruding structure to limit the shearing assembly to pull out the handle assembly forward, and when the rotating member rotates to deviate from the locking position, the extension portion deviates from the front position of the protruding structure and allows the protruding structure to pass forward from rear so that the shearing assembly can pull out the handle assembly forward.

According to some embodiments of the utility model, the first handle is provided with a first connecting portion, the second handle is provided with a second connecting portion, the first connecting portion and the second connecting portion are connected through a first rotating shaft, and the rotating member is provided on the first rotating shaft and can rotate around the first rotating shaft.

According to some embodiments of the utility model, the rotating member is disposed on the first connecting portion, and a protruding driving portion is disposed.

According to some embodiments of the utility model, the rotating member is disposed on the first connecting portion, and the first connecting portion and the second connecting portion are respectively provided with an arc-shaped slot through which the extension portion can pass.

According to some embodiments of the present utility model, the first handle is provided with two first connecting portions which are distributed at intervals, a first accommodating cavity is formed between the two first connecting portions, the second handle is provided with two second connecting portions which are distributed at intervals, a second accommodating cavity is formed between the two second connecting portions, the two second connecting portions can be placed into the first accommodating cavity, the adjacent first connecting portions and the adjacent second connecting portions are connected through a first rotating shaft, and the shearing assembly can be inserted into the second accommodating cavity.

According to some embodiments of the utility model, the extension penetrates into the second receiving cavity.

According to some embodiments of the utility model, the first and second shearing members are connected by a second shaft, an end of the second shaft being provided with an end cap portion, the end cap portion forming the protruding structure.

According to some embodiments of the utility model, the first handle and the second handle are connected by a first shaft, the first cutting member and the second cutting member are connected by a second shaft, the first shaft and the second shaft being coaxial.

According to some embodiments of the utility model, the first handle is provided with a first connecting part, the second handle is provided with a second connecting part, the first connecting part and the second connecting part are connected through a first rotating shaft, the first connecting part is provided with a limiting protrusion, the second connecting part is provided with a limiting chute corresponding to the limiting protrusion, the limiting protrusion is placed in the limiting chute, and the relative rotating angle of the first handle and the second handle is limited through the cooperation of the limiting chute and the limiting protrusion.

According to some embodiments of the utility model, a return spring is disposed between the first and second shear members.

According to some embodiments of the utility model, the return spring is a torsion spring, and the opposite surfaces of the first shearing member and the second shearing member are provided with an inner cavity for placing the torsion spring.

According to some embodiments of the utility model, the shear assembly further comprises a locking mechanism capable of locking the first shear member and the second shear member in an unopened position.

According to some embodiments of the utility model, the locking mechanism comprises a locking piece movably arranged on the first shearing piece, the locking piece is provided with a locking part, the second shearing piece is provided with a pushing part corresponding to the locking part, and when the first shearing piece and the second shearing piece are not opened, the locking piece can move to enable the locking part to be pressed against the pushing part so as to limit the opening of the relative rotation of the first shearing piece and the second shearing piece.

According to some embodiments of the utility model, the locking member is connected to the first shear member by a shaft pin, and a compression spring is provided between the locking member and a nut of the shaft pin.

According to some embodiments of the utility model, the locking member is provided with a push handle portion which is exposed through the handle assembly when the shearing assembly is inserted into the handle assembly.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a scissors with replaceable blade according to an embodiment of the present utility model;

FIG. 2 is one of the exploded views of the scissors with interchangeable blades according to the present utility model;

FIG. 3 is a second exploded view of a pair of scissors with interchangeable blades according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the internal structure of a scissors with replaceable blade according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a shear assembly according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a shear assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the handle assembly of an embodiment of the present utility model;

FIG. 8 is one of the exploded views of the handle assembly of the present utility model;

FIG. 9 is a second exploded view of the handle assembly of the present utility model;

FIG. 10 is a schematic illustration of one of the configurations of scissors employing different shearing assemblies in accordance with an embodiment of the present utility model;

FIG. 11 is a second schematic view of a scissors assembly employing a different shearing assembly according to an embodiment of the present utility model;

FIG. 12 is a third schematic view of a scissors assembly employing a different shearing assembly according to an embodiment of the present utility model.

Reference numerals:

The first handle 110, the first connecting part 111, the first accommodating cavity 112, the limit protrusion 113, the second handle 120, the second connecting part 121, the second accommodating cavity 122, the limit chute 123 and the first rotating shaft 130;

the shear assembly 200, the first shear 210, the first shear arm 211, the inner cavity 212, the second shear 220, the second shear arm 221, the pushing portion 222, the second shaft 230, the end cap portion 231, the return spring 240, the locking member 250, the locking portion 251, the shaft pin 252, the nut 253, the compression spring 254, the pushing handle portion 255;

The rotating member 310, the extension portion 311, the driving portion 312, and the arc-shaped groove 313.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the related art, most scissors are of a fixed shearing structure, but in practical application, such as gardening application, scissors with different specifications or different shearing edges are needed for shearing thin branches, thick branches or shaping, a plurality of scissors with different specifications are usually needed to be configured, and once the scissors are damaged, the scissors need to be replaced integrally, so that the use cost is high.

As shown in fig. 1 to 4, the scissors with changeable blades according to the embodiment of the present utility model comprises a handle assembly, a shearing assembly 200 and a limiting mechanism, wherein the handle assembly comprises a first handle 110 and a second handle 120 which are hinged with each other, the first handle 110 is provided with a first handle cavity, and the second handle 120 is provided with a second handle cavity; the cutting assembly 200 comprises a first cutting member 210 and a second cutting member 220 hinged to each other, wherein one end of the first cutting member 210 is provided with a first cutting arm 211 matched with a first handle cavity, one end of the second cutting member 220 is provided with a second cutting arm 221 matched with a second handle cavity, the cutting assembly 200 can be inserted into the handle assembly, the first cutting arm 211 is inserted into the first handle cavity, and the second cutting arm 221 is inserted into the second handle cavity; the limiting mechanism can lock or unlock the handle assembly and the shearing assembly 200, the limiting mechanism comprises a switching mechanism and a limiting structure matched with the switching mechanism, one of the switching mechanism and the limiting structure is arranged on the handle assembly, the other is arranged on the shearing assembly 200, and the switching mechanism can be driven to be matched with or separated from the limiting structure so as to limit the shearing assembly 200 to be separated from the handle assembly or allow the shearing assembly 200 to be separated from the handle assembly.

When the scissors are normally used, the handle assembly and the shearing assembly 200 are locked by the limiting mechanism, so that the scissors can be normally sheared and used, when the handle assembly and the shearing assembly 200 are unlocked by the limiting mechanism, different shearing assemblies 200 can be replaced by a user according to needs, different use needs are met, the scissors are flexible to use, the multifunctional shearing needs can be met only by configuring one set of handle assembly and multiple sets of shearing assemblies 200, the cost is reduced, and the handle assembly or the shearing assembly 200 can be replaced independently when damaged, so that the use cost is further reduced.

As shown in fig. 2, 3 and 4, in some embodiments of the present utility model, the switch mechanism is a rotating member 310 rotatably disposed on the first handle 110 or the second handle 120, the rotating member 310 is axially extended with an extension 311, the limiting structure is a protrusion structure disposed on the first shearing member 210 or the second shearing member 220, the direction of inserting the shearing assembly 200 into the handle assembly is set to be rear, after the shearing assembly 200 can be inserted into the handle assembly, the rotating member 310 can be rotated to a locking position, the extension 311 is rotated to the front of the protrusion structure, so as to limit the shearing assembly 200 to be pulled out of the handle assembly forward, and when the rotating member 310 is rotated to deviate from the locking position, the extension 311 deviates from the front position of the protrusion structure and allows the protrusion structure to pass forward from rear, so that the shearing assembly 200 can be pulled out of the handle assembly forward, thereby locking and unlocking the handle assembly and the shearing assembly 200.

It is contemplated that in some embodiments of the present utility model, the switch mechanism is a slider rotatably disposed on the first handle 110 or the second handle 120, and the sliding member is changed to block the protruding structure by sliding, so that the locking and unlocking functions of the handle assembly and the shear assembly 200 can be satisfied.

It is contemplated that in some embodiments of the present utility model, the switch mechanism may also be a bayonet pin drive mechanism, and the limiting structure may be a bayonet hole, through which the locking and separation of the handle assembly and the shear assembly 200 may be accomplished.

As shown in fig. 7 and 8, in some embodiments of the present utility model, the first handle 110 is provided with the first connection part 111, the second handle 120 is provided with the second connection part 121, the first connection part 111 and the second connection part 121 are connected through the first rotation shaft 130, and the rotation member 310 is provided on the first rotation shaft 130 and can rotate around the first rotation shaft 130, that is, the rotation member 310 is coaxially provided with the first handle 110 and the second handle 120, thereby simplifying the assembly structure.

It will be appreciated that in some embodiments of the present utility model, the rotating member 310 may be disposed on the handle portions of the first handle 110 and the second handle 120, and the protruding structure may be disposed on the first shearing arm 211 and/or the second shearing arm 221, so as to satisfy the locking and unlocking functions of the handle assembly and the shearing assembly 200.

As shown in fig. 7, 8 and 9, in some embodiments of the present utility model, the rotating member 310 is disposed on the first connecting portion 111, and a convex driving portion 312 is disposed to facilitate the user to operate the rotating member 310.

Specifically, as shown in fig. 7, 8 and 9, the first handle 110 is provided with two first connecting portions 111 distributed at intervals, a first accommodating cavity 112 is formed between the two first connecting portions 111, the second handle 120 is provided with two second connecting portions 121 distributed at intervals, a second accommodating cavity 122 is formed between the two second connecting portions 121, the two second connecting portions 121 can be placed in the first accommodating cavity 112, the adjacent first connecting portions 111 and the second connecting portions 121 are connected through the first rotating shaft 130, the shearing assembly 200 can be inserted into the second accommodating cavity 122, the rotating member 310 is arranged on one of the first connecting portions 111, so that the control requirement can be met, and the operation and the control are convenient.

As shown in fig. 1, in some embodiments of the present utility model, a locking position tab is provided on the first handle 110, and when the driving portion 312 is rotated to correspond to the locking position tab, the rotating member 310 is in the locking position, the shearing assembly 200 cannot be pulled out of the handle assembly, and when the rotating member 310 is rotated to deviate from the locking position, the shearing assembly 200 may be loosened or pulled out of the handle assembly.

Specifically, the locking position label is a "Lock" character label, and of course, in the implementation process, the locking position label may also be an "OFF" label, a bump label, etc., which will not be described in detail herein.

It is conceivable that in some embodiments of the present utility model, the rotating member 310 may be disposed at both the first connecting portions 111, and the protruding structures may be disposed at both the upper and lower sides of the shear assembly 200, so that a more stable locking effect may be achieved.

As shown in fig. 8 and 9, in some embodiments of the present utility model, the rotating member 310 is disposed on the first connecting portion 111, and the first connecting portion 111 and the second connecting portion 121 are respectively provided with an arc-shaped slot 313 through which the extension portion 311 can pass, so as to allow the extension portion 311 to rotate to the locked or unlocked position.

Specifically, as shown in fig. 7, 8 and 9, the first handle 110 is provided with two first connecting portions 111 that are distributed at intervals, a first accommodating cavity 112 is formed between the two first connecting portions 111, the second handle 120 is provided with two second connecting portions 121 that are distributed at intervals, a second accommodating cavity 122 is formed between the two second connecting portions 121, the two second connecting portions 121 can be placed in the first accommodating cavity 112, adjacent first connecting portions 111 and second connecting portions 121 are connected through a first rotating shaft 130, the shearing assembly 200 can be inserted into the second accommodating cavity 122, the rotating member 310 is arranged on one of the first connecting portions 111, and the extending portion 311 penetrates through the arc-shaped groove 313 into the second accommodating cavity 122.

It is contemplated that in some embodiments of the present utility model, when the first and second shearing members 210, 220 are not opened, the extension 311 may be slid along the arcuate slot 313 to a locked or unlocked position such that the shearing assembly 200 may be normally separated and assembled with the handle assembly, when the first and second shearing members 210, 220 are unfolded, the arcuate slots 313 of the two may be slid relative to each other, the slidable space of the extension 311 may be narrowed, and the extension 311 may be restricted to the locked position, i.e., the shearing assembly 200 may not be detached from the handle assembly when the first and second shearing members 210, 220 are unfolded, thereby avoiding exposed edges to hurt a person or be damaged by collision.

It will be appreciated that in some embodiments of the present utility model, the arcuate slots 313 are configured to be longer such that when the first and second shears 210, 220 are deployed, the arcuate slots 313 of the two slide relative to each other, and the opposing overlapping arcuate slots 313 allow the extension 311 to slide to a locked or unlocked position such that the shear assembly 200 is removable from the handle assembly for easy replacement of the shear assembly 200, whether the first and second shears 210, 220 are retracted or deployed.

As shown in fig. 7, 8 and 9, in some embodiments of the present utility model, the first handle 110 is provided with two first connecting portions 111 which are spaced apart from each other, a first accommodating cavity 112 is formed between the two first connecting portions 111, the second handle 120 is provided with two second connecting portions 121 which are spaced apart from each other, a second accommodating cavity 122 is formed between the two second connecting portions 121, the two second connecting portions 121 can be placed into the first accommodating cavity 112, adjacent first connecting portions 111 and second connecting portions 121 are connected through the first rotating shaft 130, the shearing assembly 200 can be inserted into the second accommodating cavity 122, the connection structural strength of the first handle 110 and the second handle 120 is improved, and the installation of the shearing assembly 200 is facilitated.

Specifically, the second connection part 121 is provided with a nut or an internal threaded hole, and the first rotation shaft 130 passes through the first connection part 111 and then is screw-fitted with the nut or the internal threaded hole, thereby connecting the first connection part 111 and the second connection part 121.

As shown in fig. 8 and 9, in some embodiments of the present utility model, a nut is embedded in the second connection part 121 to be engaged with the first rotation shaft 130.

As shown in fig. 3, in some embodiments of the present utility model, the extension 311 penetrates into the second receiving chamber 122 to engage with the convex structure of the shear assembly 200 within the second receiving chamber 122.

As shown in fig. 2, 4, 5 and 6, in some embodiments of the present utility model, the first shearing member 210 and the second shearing member 220 are connected by the second rotating shaft 230, and the end of the second rotating shaft 230 is provided with an end cap 231, and the end cap 231 forms a protruding structure, which is simple in structure and does not need to be configured with a protruding structure.

Specifically, as shown in fig. 6, an internal threaded hole is provided in the second rotating shaft 230, and a limit screw is configured in the second rotating shaft, and the first shearing member 210 and the second shearing member 220 are respectively provided with shaft holes, and the second rotating shaft 230 passes through the shaft holes and then is connected with the limit screw, so as to assemble the first shearing member 210 and the second shearing member 220.

In some embodiments of the present utility model, the protrusion structure is disposed near the rotation center of the first and second shearing members 210 and 220, and the second shearing arm 221 is inserted into the second handle cavity in cooperation with the insertion of the first shearing arm 211 into the first handle cavity, so that the assembly structure of the handle assembly and the shearing assembly 200 is more stable and reliable.

As shown in fig. 4, in some embodiments of the present utility model, after the first shearing arm 211 is inserted into the first handle cavity and the second shearing arm 221 is inserted into the second handle cavity, the extension portion 311 rotates to the front of the end cap portion 231, at this time, the first shearing arm 211 is pressed against the first handle cavity, and the second shearing arm 221 is pressed against the second handle cavity, so that the compactness of the driving force transmission structure is maintained, and the normal shearing effect of the scissors is ensured.

In a specific implementation process, a quick-detachable fastening structure may be disposed between the first shearing arm 211 and the first handle 110, and a quick-detachable fastening structure may be disposed between the second shearing arm 221 and the second handle cavity, so as to further improve stability of the driving force transmission structure.

It is contemplated that in some embodiments of the present utility model, the raised structures may also be provided directly on the body of the first shear member 210 or the second shear member 220, which are not described in detail herein.

In some embodiments of the present utility model, the first handle 110 and the second handle 120 are connected through the first shaft 130, the first shearing member 210 and the second shearing member 220 are connected through the second shaft 230, and the first shaft 130 and the second shaft 230 are coaxial, so that the driving structure of the two is more stable, reasonable and reliable.

Specifically, the first handle 110, the second handle 120, the first shearing member 210 and the second shearing member 220 are coaxially disposed, so that the driving structure of the first handle 110 and the second handle 120 to the first shearing member 210 and the second shearing member 220 is simpler, and displacement or offset is not easy to occur, for example, when the handle assembly and the shearing assembly 200 are assembled to shear, the first shearing arm 211 cannot displace in the first handle cavity, and the second shearing arm 221 cannot displace in the second handle cavity, so that the transmission structure is more reasonable and stable.

As shown in fig. 9, in some embodiments of the present utility model, the first handle 110 is provided with a first connection part 111, the second handle 120 is provided with a second connection part 121, the first connection part 111 and the second connection part 121 are connected through a first rotation shaft 130, the first connection part 111 is provided with a limit protrusion 113, the second connection part 121 is provided with a limit chute 123 corresponding to the limit protrusion 113, the limit protrusion 113 is placed in the limit chute 123, and the relative rotation angle of the first handle 110 and the second handle 120 is limited by the cooperation of the limit chute 123 and the limit protrusion 113, so that the scissors are prevented from being damaged.

In some embodiments of the present utility model, a return spring 240 is disposed between the first and second cutting members 210 and 220, and the return spring 240 is capable of returning the first and second cutting members 210 and 220 to an expanded state, thereby facilitating the use of the scissors by a user.

As shown in fig. 6, in some embodiments of the present utility model, the return spring 240 is a torsion spring, the opposite surfaces of the first shearing member 210 and the second shearing member 220 are provided with an inner cavity 212 for placing the torsion spring, the torsion spring is built in, the structure is simplified, and the torsion spring is not easy to fall off and fail.

In some embodiments of the present utility model, the inner cavity 212 may be disposed in the first shearing member 210 and/or the second shearing member 220, and the inner cavity 212 is disposed in a slot corresponding to the torsion arm of the torsion spring, so as to implement the return function of the torsion spring.

As shown in fig. 1-6, in some embodiments of the present utility model, the shear assembly 200 further includes a locking mechanism capable of locking the first and second shear members 210, 220 in an unopened position to protect the first and second shear members 210, 220 or to prevent injury to the first and second shear members 210, 220.

In some embodiments of the present utility model, the locking mechanism is disposed on the shear assembly 200, so that the shear assembly 200 can be locked after the shear assembly 200 is separated from the handle assembly, thereby facilitating storage, improving safety, and reducing storage space.

It is contemplated that in some embodiments of the present utility model, a locking mechanism may be provided with a handle assembly and a corresponding locking engagement provided with the shear assembly 200, as well as meeting the locking requirements.

As shown in fig. 5 and 6, in some embodiments of the present utility model, the locking mechanism includes a locking member 250 movably disposed on the first shearing member 210, the locking member 250 is provided with a locking portion 251, the second shearing member 220 is provided with a pushing portion 222 corresponding to the locking portion 251, and when the first shearing member 210 and the second shearing member 220 are not opened, the locking member 250 can move to make the locking portion 251 press against the pushing portion 222 so as to limit the opening of the first shearing member 210 and the second shearing member 220 which rotate relatively.

Of course, in the specific implementation process, the locking mechanism may also be a latch locking mechanism, for example, a movable latch is provided on the first shearing member 210, a latch hole is provided on the second shearing member 220, and the first shearing member 210 and the second shearing member 220 can be locked by matching the movable latch with the latch hole.

As shown in fig. 6, in some embodiments of the present utility model, the locking member 250 is connected to the first shear member 210 through the shaft pin 252, and a compression spring 254 is disposed between the locking member 250 and the nut 253 of the shaft pin 252, so that the locking member 250 is elastically pressed, and the locking member 250 has a certain elastic movement space, so that the locking member is prevented from being blocked when pressing the pressing portion 222.

In some embodiments of the present utility model, a return spring 240 is disposed between the first shearing member 210 and the second shearing member 220, and when the locking portion 251 of the locking member 250 abuts against the pressing portion 222, the locking portion is reversely pressed by the elastic return force of the return spring 240, so that the locking or locking of the rotating shaft is easily occurred.

As shown in fig. 1 to 4, in some embodiments of the present utility model, the locking member 250 is provided with a push handle portion 255, and the push handle portion 255 is exposed through the handle assembly when the shear assembly 200 is inserted into the handle assembly, so as to facilitate the operation of a user.

Specifically, the push handle portion 255 extends a length, and the first handle 110 and/or the second handle 120 are provided with corresponding notches through which the push handle portion 255 is exposed when the shear assembly 200 is inserted into the handle assembly.

It is contemplated that in some embodiments of the present utility model, the push handle 255 is provided with anti-slip features to improve friction when a finger is in contact therewith, facilitating user manipulation.

It is contemplated that in some embodiments of the present utility model, the end surface of the push handle 255 is contoured, particularly in a concave configuration corresponding to a human finger, to facilitate user manipulation.

As shown in fig. 1, 10, 11 and 12, the scissors can replace different blades according to the needs, so as to meet different use requirements.

As shown in fig. 1, the shearing assembly 200 may be a shearing blade with an arc-shaped cutting edge, so as to facilitate pruning of branches, when a thicker branch needs to be sheared, the shearing blade may be replaced by a shearing blade as shown in fig. 12, and an abutting structure is arranged at the concave shearing blade, so that an anti-slip effect is achieved; fig. 10 and 11 are respectively a conventional scissors and a pointed scissors, and can be used for daily shearing, kitchen shearing and the like, so that the use requirement of the multifunctional shearing is met.

Specifically, when in use, a user pushes the driving part 312 by hand to drive the rotating member 310 to rotate to the unlocking position, and the original shearing assembly 200 can be removed, and after replacing the shearing assembly 200 with the required shearing assembly, the rotating member 310 can be rotated to the locking position.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A scissors with replaceable cutting edges, comprising:

The handle assembly comprises a first handle (110) and a second handle (120) which are mutually hinged, wherein the first handle (110) is provided with a first handle cavity, and the second handle (120) is provided with a second handle cavity;

A cutting assembly (200), the cutting assembly (200) comprising a first cutting member (210) and a second cutting member (220) hinged to each other, one end of the first cutting member (210) is a first cutting arm (211) matched with the first handle cavity, one end of the second cutting member (220) is a second cutting arm (221) matched with the second handle cavity, the cutting assembly (200) can be inserted into the handle assembly, the first cutting arm (211) is inserted into the first handle cavity, and the second cutting arm (221) is inserted into the second handle cavity;

The limiting mechanism comprises a switching mechanism and a limiting structure matched with the switching mechanism, one of the switching mechanism and the limiting structure is arranged on the handle assembly, the other one of the switching mechanism and the limiting structure is arranged on the shearing assembly (200), and the switching mechanism can be driven to be matched with or separated from the limiting structure so as to limit the shearing assembly (200) to be separated from the handle assembly or allow the shearing assembly (200) to be separated from the handle assembly.

2. The scissors with changeable blade according to claim 1, wherein,

The switch mechanism is a rotating piece (310) which is rotatably arranged on the first handle (110) or the second handle (120), an extending part (311) is arranged on the rotating piece (310) along the axial extension of the rotating piece, the limiting structure is a protruding structure which is arranged on the first shearing piece (210) or the second shearing piece (220), the direction of inserting the shearing assembly (200) into the handle assembly is set to be the rear, the rotating piece (310) can be rotated to a locking position after the shearing assembly (200) can be inserted into the handle assembly, the extending part (311) is rotated to the front of the protruding structure, the shearing assembly (200) is limited to be pulled out of the handle assembly forwards, and when the rotating piece (310) is rotated to be deviated from the locking position, the extending part (311) is deviated from the front of the protruding structure and allows the protruding structure to pass through forwards from the rear, so that the shearing assembly (200) can be pulled out of the handle assembly forwards.

3. The scissors with changeable blade according to claim 2, characterized in that,

The utility model discloses a handle, including first handle (110), second handle (120), first pivot (130), first handle (110) are equipped with first connecting portion (111), second handle (120) are provided with second connecting portion (121), first connecting portion (111) with second connecting portion (121) are connected through first pivot (130), rotate piece (310) locate first pivot (130) and can wind first pivot (130) rotate, rotate piece (310) are located first connecting portion (111), first connecting portion (111) with second connecting portion (121) are provided with respectively can supply arc groove (313) that extension (311) passed through.

4. The scissors with changeable blade according to claim 2, characterized in that,

The utility model discloses a cutting device, including first handle (110), second handle (120), first handle (110) are equipped with two interval distribution's first connecting portion (111), two form first holding chamber (112) between first connecting portion (111), second handle (120) are equipped with two interval distribution's second connecting portion (121) between forming second holding chamber (122), two second connecting portion (121) can be put into first holding chamber (112), adjacent first connecting portion (111) with connect through first pivot (130) between second connecting portion (121), cutting assembly (200) can insert second holding chamber (122), extension (311) penetrate second holding chamber (122).

5. The scissors with changeable blade according to claim 2, characterized in that,

The first shearing piece (210) and the second shearing piece (220) are connected through a second rotating shaft (230), an end cap part (231) is arranged at the end part of the second rotating shaft (230), and the end cap part (231) forms the protruding structure.

6. The scissors with changeable blade according to claim 1, wherein,

The first handle (110) and the second handle (120) are connected through a first rotating shaft (130), the first shearing piece (210) and the second shearing piece (220) are connected through a second rotating shaft (230), and the first rotating shaft (130) and the second rotating shaft (230) are coaxial.

7. The scissors with changeable blade according to claim 1, wherein,

The utility model discloses a handle, including first handle (110), second handle (120), first connecting portion (111), second connecting portion (120), first connecting portion (111) with second connecting portion (121) are connected through first pivot (130), first connecting portion (111) are provided with spacing arch (113), second connecting portion (121) be provided with spacing spout (123) that spacing arch (113) corresponds, spacing arch (113) are put into spacing spout (123), through spacing spout (123) with the cooperation of spacing arch (113), restriction first handle (110) with the relative rotation angle of second handle (120).

8. The scissors with changeable blade according to claim 1, wherein,

A return spring (240) is arranged between the first shearing member (210) and the second shearing member (220), the return spring (240) is a torsion spring, and an inner cavity (212) for placing the torsion spring is arranged on the opposite surface of the first shearing member (210) and the opposite surface of the second shearing member (220).

9. The scissors with changeable blade according to claim 1, wherein,

The shearing assembly (200) further comprises a locking mechanism, the locking mechanism can lock the first shearing piece (210) and the second shearing piece (220) at an unopened position, the locking mechanism comprises a locking piece (250) movably arranged on the first shearing piece (210), the locking piece (250) is provided with a locking part (251), the second shearing piece (220) is provided with a pushing part (222) corresponding to the locking part (251), when the first shearing piece (210) and the second shearing piece (220) are unopened, the locking piece (250) can move to enable the locking part (251) to be pressed against the pushing part (222) so as to limit the opening of the relative rotation of the first shearing piece (210) and the second shearing piece (220).

10. The scissors with changeable blade according to claim 9, characterized in that,

The locking piece (250) is connected to the first shearing piece (210) through a shaft nail (252), and a compression spring (254) is arranged between the locking piece (250) and a nut (253) of the shaft nail (252).