CN219485763U - Knife anvil single hand scissors - Google Patents

Abstract

The utility model discloses a knife anvil single hand scissors, and aims to provide a knife anvil single hand scissors which is convenient to operate and use, high in locking degree, convenient to safely take and store and high in structural connection strength. The cutting tool comprises an anvil handle and a blade body, wherein the cross section width of the anvil handle is larger than that of the blade body, one ends of the anvil handle and the blade body are hinged, the other ends of the anvil handle and the blade body are elastically connected, a lock catch is connected to the anvil handle in a sliding manner, and a lock rod matched with the lock catch is connected to the blade body. The beneficial effects of the utility model are as follows: the tool is saved; the use is easy and labor-saving; convenient and safe storage; the assembly and the cleaning are convenient; quick assembly; the connection stability of the structure is enhanced, and the scissors are prevented from loosening; the guidance connection is realized, and the connection precision and fluency between structures are improved; friction force is improved, and operation efficiency is improved; the structural strength and the connection compactness are improved; the connection space is saved; the operation is light, the placing and the taking are convenient, and the scraping is prevented.

Description

Knife anvil single hand scissors

Technical Field

The utility model relates to the technical field of scissors tools, in particular to a single-hand scissors with a knife anvil.

Background

The scissors are used as a necessary living article, are frequently used in daily life, and are commonly used for cutting cloth, paper, processing kitchen vegetables and the like. The common household scissors are formed by hinging and assembling two scissors blades together through a hinging shaft, the hinging part is not detachable, and in order to enlarge the clamping force between the two scissors blades, some scissors are also provided with a clamping gasket at two sides of the hinging shaft respectively, so that the two clamping gaskets are respectively abutted and pressed with the outer sides of the two scissors blades. When being used as kitchen tools in living, the kitchen tool is mainly required to be provided with a separate chopping board and a separate cutter. When fruits and vegetables need to be cut outdoors, it is very inconvenient to carry the chopping board.

Chinese patent grant bulletin number: CN 204640250U, the date 2015 of the grant notice 09 month 16, the utility model discloses a pair of scissors capable of cutting fruits and vegetables, which is provided with a cutter member, the cutter member is formed by connecting a cutter body (1) and a cutter handle (4), and is characterized in that: the chopping block is characterized by further comprising a chopping block component, wherein the chopping block component is formed by sequentially connecting a chopping block body (2), a connecting plate (8) and a chopping block handle (7), the connecting plate (8) is hinged with the knife handle (4), and the cutter component and the chopping block component are integrally in a scissor shape. The technical scheme has the following defects: 1. after the cutter body is combined and sheared, the cutter body is manually reset to be separated from the chopping board for reuse, so that the operation is tedious and laborious; 2. the locking buckle has a simple structure, and is easy to deviate from the buckling groove, so that the cutter body is free to open, and the safe taking and storage are not facilitated; 3. the cutter body is simple in connection mode of the hinge pin, the locking buckle and the buckling groove, so that the structural connection strength is low, and the scissors are easy to disintegrate and generate gaps.

In summary, the scissors have complex opening and closing operations, low locking degree, unfavorable safety for taking and storage and low structural connection strength.

Disclosure of Invention

The utility model provides a single-hand scissors with a knife anvil, which is convenient to operate and use, high in locking degree, convenient to safely take and store and high in structural connection strength, and aims to overcome the defects that the scissors in the prior art are complex in opening and closing operation, low in locking degree and unfavorable for safely taking and storing and low in structural connection strength.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a knife anvil single hand shears, includes knife anvil handle and blade body, and the cross-sectional width of knife anvil handle is greater than the cross-sectional width of blade body, and the one end of knife anvil handle and blade body is articulated, and the other end elastic connection of knife anvil handle and blade body is connected with the hasp on the knife anvil handle sliding connection, is connected with the locking lever with hasp looks adaptation on the blade body.

The knife anvil handle is transverse, the cross section width is larger than that of the knife anvil body, one side surface of the knife anvil handle opposite to the knife anvil body is a straight surface, one side surface of the knife anvil body is a sharp shearing surface, the knife anvil handle and the knife anvil body are hinged at the front end to realize rotation, the knife anvil handle is enabled to cut food materials towards the knife anvil body, a chopping board which is needed in addition is omitted through the wide surface on the knife anvil handle, in addition, the knife anvil body and the rear end of the knife anvil are elastically connected, after the knife anvil body is cut, the knife anvil handle can be automatically sprung up and reset, the knife anvil handle is slidingly connected with the lock catch, and then the operation of closing the knife anvil body is carried out, so that the lock catch and the lock rod are locked or unlocked in a buckling manner through the connection mode of hinging and sliding, and the connection strength of a reinforcing structure are convenient to assemble and disassemble, and use are convenient, labor is saved, convenient and safe to store, and the structure connection strength is high, and the effect of being convenient to assemble and clean is achieved.

Preferably, the knife anvil handle comprises a knife anvil handle rod and a mounting seat, the knife anvil handle rod is hinged with the blade body, a mounting groove is formed in the knife anvil handle rod, a fixing strip is connected in the mounting groove, a buckling groove is formed in one end of the mounting seat, and the buckling groove is in scarf joint with the fixing strip. The knife anvil handle is formed by connecting a knife anvil handle rod and a mounting seat, the front end of the knife anvil handle rod is hinged with the blade body, the rear end of the knife anvil handle is provided with a mounting groove and a mounting block, the mounting block is connected with a lock rod, and the mounting block is connected with a fastening groove embedded in the mounting groove through a fixing strip in a penetrating way, so that the mounting block can be connected onto the knife anvil handle rod conveniently, and the effects of facilitating quick assembly, enhancing the connection stability of the structure and preventing the scissors from loosening are achieved.

Preferably, a sliding rail is arranged at the other end of the mounting seat, the lock catch comprises a sliding seat and a sliding rod, the sliding seat is connected with a lock rod, the sliding rod is connected with the sliding seat, the sliding rod is in sliding connection with the sliding rail, a limiting groove is formed in the sliding rail, a limiting block is connected to the sliding rod, and the limiting block is in sliding connection with the limiting groove. The hasp has included sliding seat and slide bar, the sliding seat is with being connected with the locking lever, be equipped with the slide rail on the mount pad, can remove along the slide rail in the slide bar embedding slide rail, the sliding seat passes through the connection slide bar and then realizes the slip of sliding seat, in order to realize the guidance quality action that sliding seat and locking lever are connected, be equipped with the spacing groove on the slide rail simultaneously, be connected with the stopper on the slide bar, the stopper can slide in the spacing groove, the length of spacing groove is the sliding distance that hasp and locking lever are connected, make sliding seat accessible slip accuracy and locking lever be connected while spacing sliding distance in order to prevent the slippage, reach the effect that realizes guidance quality connection, improve connection precision and fluency between the structure.

Preferably, the sliding seat is provided with a positioning rod, the mounting seat is provided with a movable groove, one end of the positioning rod is connected with the sliding seat, the other end of the positioning rod is in sliding connection with the movable groove, a positioning groove is arranged in the movable groove, a switching lug is connected in the positioning groove, the positioning rod is connected with a positioning block, and the positioning block is arranged in the positioning groove and is in sliding connection with the switching lug. The movable groove is the sunken of mount pad terminal surface, and the one end and the sliding seat of locating lever are connected, make the locating lever slide along the sliding seat, and the other end of locating lever stretches into the movable inslot and is connected with the locating piece, is equipped with positioning groove on the lateral wall of movable groove, and positioning groove's center department is connected with convex switching lug, makes positioning groove divide into two parts sunken through switching the lug, and the locating piece falls into in the different sunken through the slip on switching lug to in the state of switching sliding seat lock lever and leaving the locking lever reaches the effect of quick location and switching state of opening and shutting.

Preferably, the sliding seat is connected with an anti-slip strip, and the arrangement of the anti-slip strip is arranged perpendicular to the sliding direction of the sliding seat. The anti-slip strip with the convex surface is connected to the outer surface (contact surface with fingers) of the sliding seat, the anti-slip strip is of a strip structure, the arrangement direction of the anti-slip strip is perpendicular to the sliding reciprocating direction of the sliding seat, friction force is further increased, slipping on the surface of the sliding seat when force is applied to slide is prevented, and the effect of improving operation stability is achieved.

Preferably, the sliding seat is connected with an indication lug, and the indication lug is arranged at two sides of the anti-slip strip. The indication lug is in a structural shape with operation prompting performance and is arranged on the outer surface of the sliding seat, and meanwhile, the indication lug protrudes out of the surface of the sliding seat so as to further improve friction force and achieve the effect of improving operation efficiency.

Preferably, the sliding seat is provided with a yielding groove, the lock rod comprises a lock rod seat, a buckling block and a reinforcing rib, the lock rod seat is connected with the blade body, the buckling block is connected with the lock rod seat, the buckling block, the lock rod seat and the blade body are connected with the reinforcing rib, the sliding seat is buckled with the buckling block, and the reinforcing rib is spliced with the yielding groove. The groove of stepping down is the sunken of sliding seat terminal surface center department, and the locking lever includes the locking lever seat, detains piece and strengthening rib, and the locking lever seat is connected on the blade body, detains the piece and is connected with the locking lever seat and make detain piece and blade body formation space, is connected through strengthening rib and knot piece, locking lever seat and blade body simultaneously, makes the joint strength of knot piece and locking lever increase, takes place the structure fracture when preventing sliding seat and knot piece lock joint, and the sliding seat is gone into the knot piece below space through the slip card simultaneously and is pasted mutually with the locking lever seat and make the strengthening rib imbeds the groove of stepping down, reaches the effect that improves structural strength, connection stability and compactness.

Preferably, the mounting seat is provided with a first groove, the lock rod seat is provided with a second groove, the first groove is internally connected with a stabilizing rod, the stabilizing rod is sleeved with a reset spring, one end of the reset spring is connected with the first groove, and the other end of the reset spring is connected with the second groove. The opposite sides of the mounting seat and the lock rod seat are respectively provided with a groove I and a groove II, the groove I is internally connected with a stabilizing rod, the stabilizing rod is sleeved with a reset spring, the stabilizing rod is used for preventing the reset spring from deforming, the reset spring is used for automatically resetting between the knife anvil handle and the knife blade body after the scissors are combined and the force is withdrawn, one end of the reset spring is connected in the groove I, and the other end of the reset spring is connected in the groove II, so that the stability of the structure action is improved while the connection space is saved.

Preferably, the knife anvil handle and the knife body are respectively provided with a connecting hole, the connecting holes are connected with step bolts, one ends of the step bolts are sleeved with gaskets, and the other ends of the step bolts are connected with nuts. All be provided with the connecting hole on the front end of knife anvil handle and blade body, pass two connecting holes through the step bolt and make knife anvil handle and blade body realize articulated, one side of step bolt increases the area of application of force through cup jointing the gasket simultaneously, the other end coupling nut prevents that the step bolt is not hard up, reaches the effect of being convenient for assembly, improvement structural connection stability.

Preferably, the knife anvil handle is provided with a hollow groove, and the nut is arranged in the hollow groove. The knife anvil handle is provided with a recess of the empty groove on one end surface of the installation screw cap, so that the whole weight of the scissors is reduced, and simultaneously, the screw cap is placed in the empty groove, so that the surface of the scissors is kept smooth, and the effects of light operation, convenient placement and taking and scratch prevention are achieved.

The beneficial effects of the utility model are as follows: the tool is saved; the use is easy and labor-saving; convenient and safe storage; the assembly and the cleaning are convenient; quick assembly; the connection stability of the structure is enhanced, and the scissors are prevented from loosening; the guidance connection is realized, and the connection precision and fluency between structures are improved; friction force is improved, and operation efficiency is improved; the structural strength and the connection compactness are improved; the connection space is saved; the operation is light, the placing and the taking are convenient, and the scraping is prevented.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting groove;

FIG. 4 is a schematic view of the structure of the mounting base and the sliding base;

FIG. 5 is a schematic structural view of the lock lever;

FIG. 6 is a side view of a slide mount;

fig. 7 is a schematic structural view of the step bolt.

In the figure: 1. the knife anvil handle, the knife body, the lock catch, the lock rod, the knife anvil handle bar, the mounting seat, the mounting groove, the fixing bar, the fastening groove, the slide rail, the slide seat, the slide bar, the limit groove, the limit block and the positioning rod are respectively arranged in sequence, the knife anvil handle bar, the lock catch, the lock rod, the movable groove and the positioning groove are respectively arranged in sequence, the lock anvil handle bar, the lock catch, the lock rod, the movable groove, the positioning groove and the positioning groove are respectively arranged in sequence, the novel anti-skid bicycle comprises a switching lug, a positioning block, a non-skid strip, an indicating lug, a yielding groove, a locking rod seat, a locking block, a buckling block, a reinforcing rib, a groove I, a groove II, a stabilizing rod, a return spring, a connecting hole, a step bolt, a gasket, a nut and a hollow groove.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

Examples

As shown in fig. 1, the knife anvil single hand shears comprise a knife anvil handle 1 and a blade body 2, wherein the cross section width of the knife anvil handle 1 is larger than that of the blade body 2, one ends of the knife anvil handle 1 and the blade body 2 are hinged, the other ends of the knife anvil handle 1 and the blade body 2 are elastically connected, a lock catch 3 is slidably connected on the knife anvil handle 1, and a lock rod 4 matched with the lock catch 3 is connected on the blade body 2.

As shown in fig. 2, 3, 4 and 6, the anvil handle 1 comprises an anvil handle rod 5 and a mounting seat 6, the anvil handle rod 5 is hinged with the blade body 2, a mounting groove 7 is formed in the anvil handle rod 5, a fixing strip 8 is connected in the mounting groove 7, a buckling groove 9 is formed in one end of the mounting seat 6, and the buckling groove 9 is in scarf joint with the fixing strip 8. The other end of the mounting seat 6 is provided with a sliding rail 10, the lock catch 3 comprises a sliding seat 11 and a sliding rod 12, the sliding seat 11 is connected with the lock rod 4, the sliding rod 12 is connected with the sliding seat 11, the sliding rod 12 is in sliding connection with the sliding rail 10, the sliding rail 10 is provided with a limiting groove 13, the sliding rod 12 is connected with a limiting block 14, and the limiting block 14 is in sliding connection with the limiting groove 13. The sliding seat 11 is provided with a positioning rod 15, the mounting seat 6 is provided with a movable groove 16, one end of the positioning rod 15 is connected with the sliding seat 11, the other end of the positioning rod 15 is connected with the movable groove 16 in a sliding manner, a positioning groove 17 is arranged in the movable groove 16, a switching lug 18 is connected in the positioning groove 17, the positioning rod 15 is connected with a positioning block 19, and the positioning block 19 is arranged in the positioning groove 17 and is connected with the switching lug 18 in a sliding manner.

As shown in fig. 2 and 6, the slide base 11 is connected with the anti-slip strip 20, and the arrangement of the anti-slip strip 20 is arranged perpendicular to the sliding direction of the slide base 11. The sliding seat 11 is connected with an indication lug 21, and the indication lug 21 is arranged at two sides of the anti-slip strip 20.

As shown in fig. 4 and 5, the sliding seat 11 is provided with a relief groove 22, the lock rod 4 comprises a lock rod seat 23, a buckling block 24 and a reinforcing rib 25, the lock rod seat 23 is connected with the blade body 2, the buckling block 24 is connected with the lock rod seat 23, the buckling block 24, the lock rod seat 23 and the blade body 2 are connected with the reinforcing rib 25, the sliding seat 11 is buckled with the buckling block 24, and the reinforcing rib 25 is spliced with the relief groove 22.

As shown in fig. 1, 4 and 5, the mounting seat 6 is provided with a first groove 26, the lock rod seat 23 is provided with a second groove 27, the first groove 26 is connected with a stabilizer bar 28, the stabilizer bar 28 is externally sleeved with a return spring 29, one end of the return spring 29 is connected with the first groove 26, and the other end of the return spring 29 is connected with the second groove 27.

As shown in fig. 1, 2 and 7, the knife anvil handle 1 and the knife body 2 are respectively provided with a connecting hole 30, the connecting holes 30 are connected with a step bolt 31, one end of the step bolt 31 is sleeved with a gasket 32, and the other end of the step bolt 31 is connected with a nut 33. The knife anvil handle 1 is provided with a hollow groove 34, and the screw cap 33 is arranged in the hollow groove 34.

As shown in fig. 1-7: the front end of the knife anvil handle rod 5 is a chopping board table surface, the rear end is a hand-holding handle rod, the front end of the knife blade body 2 is a sharp knife head part, the rear end is a hand-holding handle rod, the hand-holding handle rods of the knife anvil handle 1 and the knife blade body 2 are arc-shaped structures convenient to hold, and the hand-holding handle rod is attached to adapt to ergonomic taking and force application, so that the holding feeling is comfortable.

The cross section of the reinforcing rib 25 is wedge-shaped, namely, the side surface of the reinforcing rib 25 with a larger area is in joggle joint with the abdication groove 22, and the side surface opposite to the groove bottom of the abdication groove 22 is of a smaller cross section, so that the reinforcing rib 25 can be smoothly inserted into the abdication groove 22, and the locking and dulling and abrasion structures are prevented.

The surface of the switching lug 18 and the bottom of the positioning groove 17 are arc-shaped, and the edge of the switching lug 18 is arc-shaped, so that the switching lug 18 can smoothly slide in the positioning groove 18 under the action of force, the locking and the opening are smooth, and the structural abrasion and the blocking are prevented.

The sliding rod 12, the limiting block 14, the anti-slip strip 20, the indicating protruding block 21, the positioning rod 15 and the positioning block 19 are symmetrically arranged by taking the transverse central axis of the sliding seat 11 as the center (as shown in fig. 6), the movable groove 16 is internally provided with the corresponding positioning groove 17 and the corresponding switching protruding block 18, and the sliding rail 10 and the limiting groove 13 are correspondingly arranged in the mounting groove 7, so that the sliding stability of the sliding seat 11 is improved.

When shearing is used: placing the material to be sheared on the front plane of the knife anvil handle 1, holding the tail handle rod parts of the knife anvil handle 1 and the knife blade body 2, holding the knife anvil handle 1 and the knife blade body 2 tightly to apply force, enabling the heads of the knife anvil handle 1 and the knife blade body 2 to be held close, enabling the knife blade body 2 to be attached to the front plane of the knife anvil handle 1, namely cutting off the material, loosening the hands, enabling the knife anvil handle 1 and the knife blade body 2 to be reopened under the action of the reset spring 29, and then cutting can be started again.

When in storage: the sliding seat 11 is retracted to be close to one side of the tail of the hand-held knife anvil handle 1 and the blade body 2, the hand-held knife anvil handle 1 and the blade body 2 are closed, the finger is placed at the anti-slip strip 20 to push the sliding seat 11 towards one side of the head of the hand-held knife anvil handle 1 and the blade body 2, the positioning block 19 in the sliding seat is pushed to enter the other side in the positioning groove 17 through the switching lug 18 under stress, meanwhile, the limiting block 14 slides to the other side of the limiting groove 13, the sliding seat 11 is clamped into the lower part of the buckling block 24 and is buckled with the buckling block 24, the reinforcing rib 25 is clamped into the yielding groove 22, and the hand-held knife anvil is folded and accommodated conveniently and safely. The sliding seat 11 is reversely slid out from the buckling block 24, and can be restored to a state to be sheared under the action of the return spring 29.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a knife anvil single hand scissors, its characterized in that includes knife anvil handle (1) and blade body (2), the cross-sectional width of knife anvil handle (1) is greater than the cross-sectional width of blade body (2), the one end of knife anvil handle (1) and blade body (2) is articulated, the other end elastic connection of knife anvil handle (1) and blade body (2), sliding connection has hasp (3) on knife anvil handle (1), be connected with on blade body (2) with hasp (3) looks adaptation locking lever (4).

2. The knife anvil single hand shears according to claim 1, wherein the knife anvil handle (1) comprises a knife anvil handle rod (5) and a mounting seat (6), the knife anvil handle rod (5) is hinged with the blade body (2), a mounting groove (7) is formed in the knife anvil handle rod (5), a fixing strip (8) is connected in the mounting groove (7), a buckling groove (9) is formed in one end of the mounting seat (6), and the buckling groove (9) is in scarf joint with the fixing strip (8).

3. The knife anvil single hand shears according to claim 2, wherein the other end of the mounting seat (6) is provided with a sliding rail (10), the lock catch (3) comprises a sliding seat (11) and a sliding rod (12), the sliding seat (11) is connected with the lock rod (4), the sliding rod (12) is connected with the sliding seat (11), the sliding rod (12) is slidably connected with the sliding rail (10), the sliding rail (10) is provided with a limiting groove (13), the sliding rod (12) is connected with a limiting block (14), and the limiting block (14) is slidably connected with the limiting groove (13).

4. A knife anvil single hand shears according to claim 3, characterized in that the sliding seat (11) is provided with a positioning rod (15), the mounting seat (6) is provided with a movable groove (16), one end of the positioning rod (15) is connected with the sliding seat (11), the other end of the positioning rod (15) is slidably connected with the movable groove (16), a positioning groove (17) is arranged in the movable groove (16), a switching lug (18) is connected in the positioning groove (17), the positioning rod (15) is connected with a positioning block (19), and the positioning block (19) is arranged in the positioning groove (17) and slidably connected with the switching lug (18).

5. A knife anvil single hand shears according to claim 3 or 4, characterised in that the sliding seat (11) is connected with a non-slip strip (20), the arrangement of the non-slip strip (20) being arranged perpendicular to the sliding direction of the sliding seat (11).

6. The knife anvil single hand shears according to claim 5, wherein the sliding seat (11) is connected with an indication lug (21), and the indication lug (21) is arranged at two sides of the anti-slip strip (20).

7. The knife anvil single hand shears according to claim 6, wherein the sliding seat (11) is provided with a yielding groove (22), the lock rod (4) comprises a lock rod seat (23), a buckling block (24) and a reinforcing rib (25), the lock rod seat (23) is connected with the blade body (2), the buckling block (24) is connected with the lock rod seat (23), the buckling block (24), the lock rod seat (23) and the blade body (2) are connected with the reinforcing rib (25), the sliding seat (11) is buckled with the buckling block (24), and the reinforcing rib (25) is spliced with the yielding groove (22).

8. The knife anvil single hand shears according to claim 7, wherein the mounting seat (6) is provided with a first groove (26), the lock rod seat (23) is provided with a second groove (27), a stabilizer bar (28) is connected in the first groove (26), a return spring (29) is sleeved outside the stabilizer bar (28), one end of the return spring (29) is connected with the first groove (26), and the other end of the return spring (29) is connected with the second groove (27).

9. The knife anvil single hand shears according to claim 1, wherein the knife anvil handle (1) and the blade body (2) are provided with connecting holes (30), the connecting holes (30) are connected with step bolts (31), one ends of the step bolts (31) are sleeved with gaskets (32), and the other ends of the step bolts (31) are connected with nuts (33).

10. A knife anvil single hand shears according to claim 9, wherein the knife anvil handle (1) is provided with a recess (34), and the nut (33) is arranged in the recess (34).