A locking structure of a chicken bone scissors

Abstract

The utility model discloses a lock catch structure of chicken bone scissors, including lock wheel, the chicken bone scissors include two shearing units, and the shearing unit includes blade and handle, and the blade includes blade part and handle part, and the rear end of blade part is connected with the front end of handle part, and the hinging position of two shearing units includes scissors elastic opening mechanism, and the opposite position of two shearing unit blade blade parts each includes scissors blade, and the blade part of first shearing unit blade is below the blade part of second shearing unit blade, and the lock wheel includes gyro wheel and lock pin, the gyro wheel is arranged in the inside of the upper portion of first shearing unit blade handle part front section, and is hinged with the blade of first shearing unit, the lock pin is eccentric and is fixed on the gyro wheel, and the axis of lock pin is parallel with the axis of gyro wheel, and the upper portion of second shearing unit blade handle part front section includes the clamping slot of backward opening, and when two shearing units are folded and locked, the lock pin of lock wheel is clamped in the clamping slot, the utility model discloses one hand with the thumb can realize the locking or unlocking of chicken bone scissors, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to chicken bone shears, and more particularly to a locking structure for chicken bone shears. Background Technology

[0002] Chicken bone shears are a kitchen tool specifically designed for handling chicken bones. Often referred to as "kitchen shears," they feature a sturdy and durable design that allows for easy cutting of chicken bones and cutting of chicken meat. They can also trim excess fat or fascia, making them suitable for use in the kitchen.

[0003] Utility model patent CN202420636424.6 discloses a chicken bone scissors, including a right scissor handle and a left scissor handle. A detachable locking plate is locked in place in a groove on the right scissor handle by a detachable locking plate pin. A detachable locking plate spring connects the detachable locking plate to the groove. When the right and left scissor handles are used together as scissors, the locking plate limits the left scissor handle to prevent it from falling off the right scissor handle. Pressing the detachable locking plate releases the limitation on the left scissor handle, allowing the left scissor handle to be detached from the right scissor handle and used as a cutting knife. The side of the left scissor handle 11 that contacts the right scissor handle 1 is fixed with a locking buckle 17 that cooperates with the locking position on the right scissor handle 1 by a locking pin 8 and a locking spring 16. A push pin 7 is fixed on the locking buckle 17. The right and left scissor handles 1 and 11 can be unfolded by unlocking the latch 17 from the locking position on the right scissor handle 1 by moving the push pin 7, and the right and left scissor handles 1 and 11 can be locked together by engaging the latch 17 with the locking position on the right scissor handle 1 by moving the push pin 7. While the chicken bone scissors of this invention can be unlocked with one hand, locking requires two hands, making the process cumbersome and resulting in a poor user experience. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a locking structure for chicken bone scissors that can be operated with one hand when locking or unlocking.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is a locking structure for chicken bone shears, including a locking wheel. The chicken bone shears include two shearing units, each shearing unit including a blade and a handle. The blade includes a cutting edge and a shank, with the rear end of the cutting edge connected to the front end of the shank. The connection between the cutting edge and the shank includes a hinge hole, and the shank is embedded in the handle. A hinge shaft passes through the hinge holes of the two shearing units to achieve hinge between the two shearing units. The hinge part of the two shearing units includes a shear spring-loaded opening mechanism. Each shearing unit blade has a scissor blade at its opposite position. The blade of the first shearing unit is located below the blade of the second shearing unit. The locking wheel includes a roller and a locking pin. The roller is arranged on the inner side of the upper part of the front section of the first shearing unit blade handle and is hinged to the blade of the first shearing unit. The locking pin is eccentrically fixed on the roller, and the axis of the locking pin is parallel to the axis of the roller. The upper part of the front section of the second shearing unit blade handle includes a rearward-opening groove. When the two shearing units are closed and need to be locked, the locking pin of the locking wheel is engaged in the groove.

[0006] The locking structure described above includes a roller clearance groove on the inner side of the upper part of the front section of the first shearing unit blade shank, with the roller placed in the clearance groove; the clearance groove includes a roller shaft fixed on the first shearing unit blade, with the central shaft hole of the roller loosely fitted on the roller shaft; the clearance groove includes an opening above it, with the upper part of the roller protruding from the opening of the clearance groove.

[0007] In the above-described locking structure, the slot is located directly below the roller shaft, and the roller is a gear with teeth around its periphery.

[0008] The locking structure described above includes an embedding groove for the first shearing unit blade shank, a clearance groove for the second shearing unit blade shank, and a clearance groove for the roller. The clearance groove for the roller includes an upper opening, and the top of the roller protrudes from the upper opening of the clearance groove for the roller.

[0009] The locking structure described above includes a torsion spring in the scissor spring opening mechanism. The inner side of the shearing unit blade includes an annular mounting groove for the torsion spring, which is coaxial with the hinge hole. The outer edge of the annular mounting groove includes an end foot groove for arranging the torsion arms of the torsion spring. The torsion spring is arranged in the annular mounting grooves of the two shearing unit blades, and the two torsion arms of the torsion spring are respectively arranged in the end foot grooves of the two annular mounting grooves. The spring force of the torsion spring causes the two shearing units to open.

[0010] In the locking structure described above, the blade shank and handle are riveted together by a plurality of rivets, and the top of the first shearing unit handle and the bottom of the second shearing unit handle are covered with a silicone layer.

[0011] In the locking structure described above, the first shearing unit blade includes a cutting edge below the scissor blade.

[0012] The locking structure described above has a double-edged cutting blade; the first shearing unit blade includes a toothed blade at the front of the shear blade and an arc-shaped concave blade at the rear of the shear blade.

[0013] This invention allows for locking or unlocking of the chicken bone shears using only one thumb, making the locking or unlocking operation convenient. Attached Figure Description

[0014] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0015] Figure 1 This is a front view of a multifunctional chicken bone shear according to an embodiment of this utility model.

[0016] Figure 2 This is a top view of the multifunctional chicken bone shears according to an embodiment of this utility model.

[0017] Figure 3 This is a rear view of the multifunctional chicken bone shears according to an embodiment of this utility model.

[0018] Figure 4 This is a bottom view of the multifunctional chicken bone shears according to an embodiment of this utility model.

[0019] Figure 5 This is a perspective view of the multifunctional chicken bone shears according to an embodiment of this utility model.

[0020] Figure 6 yes Figure 1 AA section view in the image.

[0021] Figure 7 This is a front view of the multifunctional chicken bone shears in an embodiment of this utility model when opened.

[0022] Figure 8 This is a rear view of the multifunctional chicken bone shears after removing the plastic handle, according to an embodiment of this utility model.

[0023] Figure 9 This is a perspective view of the multifunctional chicken bone shears with the plastic handle removed, according to an embodiment of this utility model.

[0024] Figure 10 This is a perspective view of the multifunctional chicken bone shears from another angle, excluding the plastic handle, according to an embodiment of this utility model.

[0025] Figure 11 This is a perspective view of the lock wheel in an embodiment of this utility model.

[0026] Figure 12 This is a perspective view of the first shearing unit in an embodiment of this utility model.

[0027] Figure 13 This is a perspective view of the first shearing unit in an embodiment of this utility model from another angle.

[0028] Figure 14 This is a perspective view of the blade of the first shearing unit in an embodiment of this utility model.

[0029] Figure 15 This is a perspective view of the plastic handle of the first shearing unit in this embodiment of the present invention.

[0030] Figure 16 This is a front view of the plastic handle of the first shearing unit in this embodiment of the present invention.

[0031] Figure 17 This is a left view of the plastic handle of the first shearing unit in this embodiment of the present invention.

[0032] Figure 18 This is a perspective view of the second shearing unit in an embodiment of this utility model.

[0033] Figure 19 This is a perspective view of the blade of the second shearing unit in an embodiment of this utility model.

[0034] Figure 20 This is a perspective view of the torsion spring according to an embodiment of the present invention. Detailed Implementation

[0035] The structure of the chicken bone shears in this embodiment of the utility model is as follows: Figures 1 to 20 As shown, the device includes two cutting units 100 and 200. The first cutting unit 100 includes a blade 10 and a plastic handle 20. The blade 10 includes a cutting edge 11 and a shank 12, with the shank 12 embedded in the plastic handle 20. A hinge hole 13 is provided between the cutting edge 11 and the shank 12 of the blade 10. The second cutting unit 200 includes a blade 30 and a plastic handle 40. The blade 30 includes a cutting edge 31 and a shank 32, with the shank 32 embedded in the plastic handle 40. A hinge hole 33 is provided between the cutting edge 31 and the shank 32 of the blade 30.

[0036] The shank 12 of the blade 10 of the first shearing unit 100 is riveted to the plastic handle 20 by two rivets 19, and the shank 32 of the blade 30 of the second shearing unit 200 is riveted to the plastic handle 40 by two rivets 39. The top of the plastic handle 20 of the first shearing unit 100 is covered with a silicone layer 21, and the bottom of the plastic handle 40 of the second shearing unit is covered with a silicone layer 41.

[0037] The hinge shaft 51 passes through the hinge hole 13 of the first shearing unit 100 and the hinge hole 33 of the second shearing unit 200, thereby achieving a hinge between the two shearing units. Both ends of the hinge shaft 51 have circular rivet heads 511.

[0038] The blade 10 of the first shearing unit 100 has a scissor blade 14 on the upper edge of its cutting edge 11, and the blade 30 of the second shearing unit 200 has a scissor blade 34 on the lower edge of its cutting edge 31. When the chicken bone shears are opened, the cutting edge 11 of the blade 10 of the first shearing unit 100 is located below the cutting edge 30 of the blade 30 of the second shearing unit 200, and the lower edge of the cutting edge 11 of the blade 10 of the first shearing unit 100 (below the scissor blade 14) has a cutting edge 15, which is a symmetrical double-edged blade.

[0039] The upper edge of the blade 11 of the first shearing unit 100 includes a toothed blade 141 located in front of the shear blade 14 and an arc-shaped concave blade 142 located in the rear of the shear blade 14.

[0040] The hinge joint of the two shearing units 100 and 200 is equipped with a shear spring opening mechanism.

[0041] The scissor spring opening mechanism includes a torsion spring 52. The inner side of the blade 10 of the first shearing unit 100 includes an annular mounting groove 16 for the torsion spring. The annular mounting groove 16 is coaxial with the hinge hole 13. The outer edge of the annular mounting groove 16 has an end foot groove 161 for arranging the first torsion arm 521 of the torsion spring 52.

[0042] The inner side of the blade 30 of the second shearing unit 200 includes an annular mounting groove 36 for a torsion spring. The annular mounting groove 36 is coaxial with the hinge hole 33. The outer edge of the annular mounting groove 36 has an end foot groove 361 for arranging the second torsion arm 522 of the torsion spring 52.

[0043] The two ends of the torsion spring 52 are respectively arranged in the annular mounting grooves 16 and 36 of the two shearing unit blades. The first torsion arm 521 of the torsion spring 52 is arranged in the end foot groove 161 of the annular mounting groove 16, and the second torsion arm 522 of the torsion spring 52 is arranged in the end foot groove 361 of the annular mounting groove 36. The elastic force of the torsion spring 52 causes the blades of the two shearing units to open.

[0044] The rear end of the blade of the shearing unit is connected to the front end of the shank. The rear section of the shank of the blade 30 of the second shearing unit 200 is embedded in the plastic handle 40 and is riveted to the plastic handle 40 by two rivets 39.

[0045] The blade 30 of the second shearing unit 200 has a scissor closing and locking mechanism groove 35 on the upper part of the front section of the blade 30 handle, with the opening of the groove 35 facing backward.

[0046] The locking wheel 60 includes a roller 61 and a locking pin 62. The roller 61 is a gear with many teeth around its periphery. The roller 61 is arranged on the inner side of the upper front part of the blade shank of the first shearing unit 100. There is a relief groove 121 on the inner side of the upper front part of the blade shank 12 of the first shearing unit 100 to accommodate the roller 61. The roller 61 is placed in the relief groove 121. There is a roller shaft 122 fixed on the blade of the first shearing unit 100 in the relief groove 121, and the central shaft hole 611 of the roller 61 is loosely fitted on the roller shaft 122. There is an opening at the top of the relief groove 121, and the upper part of the roller 61 protrudes from the opening of the relief groove 121.

[0047] When the first shearing unit 100 and the second shearing unit are brought together, and the plastic handles 20 and 40 are placed horizontally, the slot 35 is located directly below the roller shaft 122.

[0048] The locking pin 62 is eccentrically fixed to the roller 61, and the axis of the locking pin 62 is parallel to the axis of the roller 61. When the two shearing units are closed and need to be locked, the locking pin 62 of the locking wheel 60 is engaged in the slot 35.

[0049] The front of the plastic handle 20 of the first cutting unit 100 needs to fix the handle 12 of the blade 10, and also accommodate the handle 32 of the blade 30 and the roller 61. The front of the plastic handle 20 has an embedding groove 22 for the handle of the blade 10. The second cutting unit 200 has a clearance groove 23 for the handle of the blade and a clearance groove 24 for the roller 61. The clearance groove 24 of the roller 61 has an upper opening, and the top of the roller 61 protrudes from the upper opening of the clearance groove 24 of the roller 61, making it convenient for the user to operate the roller 61.

[0050] When the cutter is needed, close the two cutting units and push the upper edge of roller 61 backward with your thumb. The locking pin 62 located at the lower part of roller 61 enters the slot 35 at the upper front opening of the handle of the blade 30 of the second cutting unit 200, locking the two cutting units together. At this time, the two cutting units will not separate when closed, and the plastic handles of the two cutting units are brought together to form the handle of the cutter. The chicken bone shears can be used as a cutter at this time. When the scissors are needed, push the upper edge of roller 61 forward with your thumb. The locking pin 62 located at the lower part of roller 61 moves backward and disengages from the slot 35 at the upper front opening of the handle of the blade 30 of the second cutting unit 200, releasing the second cutting unit 200. Under the action of the torsion spring 52, the blades of the two cutting units open, and the chicken bone shears can be used as scissors at this time.

[0051] The chicken bone shears of the above embodiments of this utility model can be locked by pushing the roller backward with the thumb after the two shearing units are brought together, allowing them to be used directly as a cutting blade. Pushing the roller forward with the thumb utilizes the spring force to easily open the two shearing units, allowing them to be used as scissors. The conversion process requires no disassembly or assembly of parts, making the conversion simple and convenient. Furthermore, the cutting blade of the chicken bone shears of the above embodiments of this utility model uses a symmetrical double-edged design, resulting in even distribution of cutting force, easy operation, reduced risk of off-center cutting, and good cutting effect.

Claims

1. A locking structure for chicken bone shears, the chicken bone shears comprising two shearing units, each shearing unit comprising a blade and a handle, the blade comprising a cutting edge and a shank, the rear end of the cutting edge being connected to the front end of the shank, the connection between the cutting edge and the shank comprising a hinge hole, the shank of the blade being embedded in the handle; a hinge shaft passing through the hinge holes of the two shearing units to realize the hinge between the two shearing units, the hinge portion of the two shearing units comprising a shear spring opening mechanism; the opposing portions of the cutting edges of the blades of the two shearing units each comprising a shear blade, the cutting edge of the first shearing unit blade being located below the cutting edge of the second shearing unit blade, characterized in that, The device includes a locking wheel, which comprises a roller and a locking pin. The roller is arranged on the inner side of the upper part of the front section of the blade shank of the first shearing unit and is hinged to the blade of the first shearing unit. The locking pin is eccentrically fixed on the roller, and the axis of the locking pin is parallel to the axis of the roller. The upper part of the front section of the blade shank of the second shearing unit includes a rearward-opening groove. When the two shearing units are closed and need to be locked, the locking pin of the locking wheel is engaged in the groove.

2. The locking structure according to claim 1, characterized in that, The inner side of the upper part of the front section of the blade shank of the first shearing unit includes a clearance groove for a roller, and the roller is placed in the clearance groove; the clearance groove includes a roller shaft fixed on the blade of the first shearing unit, and the central shaft hole of the roller is loosely fitted on the roller shaft; the clearance groove includes an opening above it, and the upper part of the roller protrudes from the opening of the clearance groove.

3. The locking structure according to claim 2, characterized in that, The slot is located directly below the roller shaft, and the roller is a gear with teeth around its periphery.

4. The locking structure according to claim 1, characterized in that, The front part of the first shearing unit handle includes an embedding groove for the first shearing unit blade shank, a clearance groove for the second shearing unit blade shank, and a clearance groove for the roller. The clearance groove for the roller includes an upper opening, and the top of the roller protrudes from the upper opening of the clearance groove for the roller.

5. The locking structure according to claim 1, characterized in that, The shear spring opening mechanism includes a torsion spring. The inner side of the shear unit blade includes an annular mounting groove for the torsion spring, which is coaxial with the hinge hole. The outer edge of the annular mounting groove includes an end foot groove for arranging the torsion arms of the torsion spring. The torsion spring is arranged in the annular mounting grooves of the two shear unit blades, and the two torsion arms of the torsion spring are respectively arranged in the end foot grooves of the two annular mounting grooves. The elastic force of the torsion spring causes the two shear units to open.

6. The locking structure according to claim 1, characterized in that, The blade shank is riveted to the handle by a plurality of rivets, and the top of the first shearing unit handle and the bottom of the second shearing unit handle are covered with a silicone layer.

7. The locking structure according to claim 1, characterized in that, The first shearing unit blade includes a cutting edge below the scissor blade.

8. The locking structure according to claim 7, characterized in that, The cutting blade is a double-edged blade; the blade of the first shearing unit includes a toothed blade at the front of the shear blade and an arc-shaped concave blade at the rear of the shear blade.

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