CN217025277U - Rotary clamping mechanism of can opener - Google Patents

Abstract

The utility model discloses a rotary clamping mechanism of a can opener, which comprises a main body, a movable rotating shaft arranged in the main body and a pressing component rotationally connected to the upper end of the main body, wherein the movable rotating shaft is arranged in the main body; one end of the movable rotating shaft is connected with a pushing wheel, and the main body is provided with a knife flywheel with a cutting edge; the pressing assembly comprises a pressing handle and a connecting rod, one end of the pressing handle is rotatably connected with the main body, and the connecting rod is rotatably connected to one end of the pressing handle, which faces the movable rotating shaft; the movable rotating shaft is provided with a pushing assembly, and the pushing assembly comprises a pushing sliding block which is sleeved on the movable rotating shaft and is rotatably connected with the other end of the connecting rod; after the pressing handle is pressed downwards, the connecting rod rotates around the joint of the connecting rod and the pressing handle and drives the pushing sliding block to move backwards, the pushing sliding block drives the movable rotating shaft to move backwards synchronously, and the pushing wheel and the cutter wheel are matched to clamp the can. After the can is pressed down by operating the pressing handle, the gap between the pushing wheel and the cutter wheel can be reduced to achieve the purpose of clamping the can; can be suitable for the flanges with different thicknesses, and has wider application range.

Description

Rotary clamping mechanism of can opener

Technical Field

The utility model relates to the technical field of can openers, in particular to a rotary clamping mechanism of a can opener.

Background

Electric can openers are common household appliances that are capable of removing a top lid from a metal can. The existing can opener has the problem of slippage caused by insufficient clamping force on cans.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The technical problem to be solved by the utility model is to provide a rotary clamping mechanism of a can opener, after a pressing handle is operated to press down, a gap between a pushing wheel and a cutter wheel can be gradually reduced so as to achieve the purpose of clamping a can; the can be suitable for cans with flanges of different thicknesses, and has wider application range.

(II) technical scheme

The utility model solves the technical problem by adopting the scheme that the rotary clamping mechanism of the can opener comprises a main body, a movable rotating shaft arranged in the main body and a pressing component rotationally connected to the upper end of the main body; one end of the movable rotating shaft extends out of the main body and is connected with a pushing wheel, and correspondingly, the main body is provided with a cutter wheel with a cutting edge; the pressing assembly comprises a pressing handle and a connecting rod, one end of the pressing handle is rotatably connected with the main body, and the connecting rod is rotatably connected to one end, facing the movable rotating shaft, of the pressing handle; correspondingly, the movable rotating shaft is provided with a pushing assembly, and the pushing assembly comprises a pushing sliding block which is sleeved on the movable rotating shaft and is rotatably connected with the other end of the connecting rod; when a downward force is applied to the downward pressing handle, the connecting rod rotates around the joint of the connecting rod and the downward pressing handle and drives the pushing sliding block to move backwards, the pushing sliding block drives the movable rotating shaft to synchronously move backwards, and then the pushing wheel and the cutter wheel are matched to clamp the can.

By adopting the scheme, after the pressing handle is operated to press down, the gap between the pushing wheel and the cutter wheel can be gradually reduced so as to achieve the purpose of clamping the can; the can is suitable for cans with flanges of different thicknesses, and has wider application range.

Further, the pressing handle is provided with a handle support which is rotatably connected with the connecting rod, and the main body is internally provided with an installation frame for the handle support to rotate; the handle support is provided with a limiting end face, and correspondingly, one end, facing the handle support, of the mounting frame is provided with a limiting inclined face; the pushing handle is stressed to rotate and is pushed down to form a first rotating angle and a second rotating angle, the handle support and the connecting rod rotate to form a dead angle to form the first rotating angle, the connecting rod drives the movable rotating shaft to move along the axial direction of the movable rotating shaft by a backward moving force of the pushing sliding block, and the pushing wheel and the cutter wheel are matched to clamp the can; the limiting end face of the handle support is abutted against the limiting inclined face of the mounting rack to form the second rotating angle, the handle is pressed downwards to stop rotating, and the pushing wheel and the cutter wheel are still in clamping fit.

Specifically, under the initial condition, the handle support with the contained angle that forms between the connecting rod is the obtuse angle, when pushing down the handle and rotating to first rotation angle, the handle support with the angle between the connecting rod reaches 180 degrees, then the handle support with the connecting rod reachs the dead point position, at this moment, the catch wheel with the break bar keeps the clamping-force unchangeable, makes the can clamp tightly and does not drop.

Preferably, the restricting inclined surface is inclined from top to bottom toward a direction close to the push-down handle.

By adopting the scheme, the limiting plane is arranged on the handle support, and the limiting plane is matched with the limiting inclined plane of the mounting rack, so that the pressing handle can be kept unchanged at a smaller angle when being pressed down, and the tight fit force of the pushing wheel and the knife flywheel clamp is ensured within a reasonable range.

Further, the handle support comprises a first rotating shaft rotationally connected with the mounting frame and a second rotating shaft rotationally connected with the connecting rod, and the pushing sliding block is provided with a shaft portion rotationally connected with the connecting rod; correspondingly, the top of mounting bracket is provided with and is used for the adaptation the rotation groove of first pivot, the connecting rod is provided with and is used for the adaptation the first rotation hole of second pivot and be used for the adaptation the second rotation hole of axial region.

Preferably, the mounting frame is provided with a sliding groove for adapting to the two shaft parts, and one end of the sliding groove, which is far away from the mounting frame, is provided with an opening, so that the mounting frame is convenient to disassemble and assemble; the sliding groove is used for limiting the pushing sliding block to move in the radial direction, so that the whole structure is stable in the pressing process.

Specifically, one end of the connecting rod rotates around the second rotating shaft, and the other end of the connecting rod rotates around the shaft portion.

Furthermore, a driving control mechanism for controlling the movable rotating shaft to rotate is arranged in the main body, and the driving control mechanism comprises a driving motor and a trigger switch electrically connected with the driving motor; the pressing handle is provided with a trigger part for triggering the trigger switch; when the handle is pressed down to rotate to the limit end face of the handle support abuts against the limit inclined face of the mounting rack, the trigger part contacts the trigger switch, and the trigger switch gives the driving motor to control the movable rotating shaft to rotate according to signals.

Furthermore, the trigger part is arranged at one end of the pressing handle far away from the handle support, and correspondingly, the trigger switch is arranged in the main body and is positioned below the trigger part.

Specifically, when the handle is pressed downwards and rotates to a second rotation angle, the trigger part contacts the trigger switch, and the drive motor is controlled to rotate the movable rotating shaft through signals; simultaneously, the restriction terminal surface of handle support supports and leans on the spacing inclined plane of mounting bracket, push down the handle and can't be driven to push down the rotation. More specifically, because the pushing wheel and the knife flywheel are in a clamping fit state at the first rotation angle, and the gap between the trigger part and the trigger switch is small, the second rotation angle is only slightly larger than the first rotation angle, the trigger part can trigger the trigger switch, and the tight fit strength of the pushing wheel and the knife flywheel clamp can be ensured within a reasonable range.

By adopting the scheme, the can be clamped and the drive can be controlled by only one action, so that the operation of a user is simple; the push handle rotates to form a first rotating angle and a second rotating angle, and when the first rotating angle is reached, the push wheel and the cutter wheel are clamped and positioned; when the second rotation angle is reached, the driving is started to rotate and cut, two processes are sequentially achieved, and the effects of stable clamping and high safety are achieved.

Furthermore, the pushing assembly further comprises a first elastic piece and a second elastic piece which are sleeved on the movable rotating shaft and respectively arranged at two ends of the pushing sliding block; the two ends of the movable rotating shaft are respectively provided with a first blocking piece and a second blocking piece, and the second blocking pieces are positioned on the inner side of the pushing wheel; the first elastic piece drives the pushing sliding block to have a moving trend away from the first blocking piece all the time, and the second elastic piece drives the pushing wheel to have a moving trend away from the knife wheel all the time.

Furthermore, a connecting mechanism for transmitting the power of the driving motor to the movable rotating shaft is arranged in the main body, and the connecting mechanism comprises a first transmission gear meshed with an output gear shaft of the driving motor, a second transmission gear coaxial with the first transmission gear and a third transmission gear meshed with the second transmission gear for transmission; and the third transmission gear is sleeved on the movable rotating shaft.

Preferably, the third transmission gear is arranged between the pushing sliding block and the first elastic piece.

Specifically, in an initial state, the handle is pressed downwards to be far away from the pushing assembly, when the can is placed on the main body to be cut, the edge of the upper end of the can is correspondingly placed between the pushing wheel and the cutter wheel, and the cutting edge of the cutter wheel is enabled to be tightly attached to and positioned on the side wall of the can.

The connecting rod rotates around the second rotating shaft until the connecting rod and the handle bracket reach a dead point position, the connecting rod moves towards the direction away from the can for the pushing slide block, meanwhile, the pushing slide block provides a squeezing force for the first elastic piece, the first elastic piece provides a backward pushing force for the first blocking piece, the movable rotating shaft moves backwards integrally, the pushing wheel is driven to move backwards synchronously, and the gap between the pushing wheel and the knife wheel is reduced and the flange of the can is clamped; the pressing handle is continuously pressed downwards, and when the pressing handle rotates to a second rotation angle, the triggering part contacts the trigger switch, the trigger switch is triggered to give a signal to the driving motor to start the driving motor, and power is transmitted to the movable rotating shaft through the connecting mechanism to drive the pushing wheel to perform synchronous rotating motion to cut the can. Because friction force is formed between the push wheel and the top cover of the can, the rotation of the push wheel can drive the can to rotate relative to the main body, and when the can rotates, the cutting edge of the knife wheel acts on the side wall of the can and cuts the side wall of the can to finish the cutting work.

After cutting, the upper lifting and lower pressing handle moves upwards and drives the connecting rod to rotate and reset, the restoring force of the second elastic piece drives the movable rotating shaft to move in advance and drives the pushing wheel to move in the direction away from the cutter wheel, so that the pushing wheel is separated from the cutter wheel, the can be taken down, and the restoring force of the first elastic piece drives the pushing sliding block to move forwards and reset; meanwhile, when the pressing handle is pressed down and lifted, the trigger part synchronously moves upwards and is separated from the trigger switch, and then the driving motor stops running.

(III) advantageous effects

Compared with the prior art, the utility model designs the rotary clamping mechanism of the can opener,

(1) after the pressing handle is operated to press downwards, the gap between the pushing wheel and the cutter wheel can be gradually reduced so as to achieve the purpose of clamping the can; the can be suitable for cans with flanges of different thicknesses, and has wider application range;

(2) the can clamping and the control driving can be realized by only one action, and the operation of a user is simple; the pressing handle rotates to form a first rotating angle and a second rotating angle, and the pushing wheel and the cutter wheel are clamped and positioned at the first rotating angle; when the cutting tool rotates at a second rotation angle, the cutting tool is driven to start to perform rotary cutting, two processes are sequentially realized, and the cutting tool has the effects of stable clamping and high safety;

(3) the handle support is provided with the limiting plane, and the limiting plane is matched with the limiting inclined plane of the mounting frame, so that the downward pressing handle can be kept at a small angle and does not change when being pressed downward, and the tight fit force of the pushing wheel and the knife wheel clamp is ensured to be within a reasonable range.

Drawings

FIG. 1 is a cross-sectional view of the can opener of the present embodiment (not in use);

FIG. 2 is an enlarged schematic view of the point A in FIG. 1;

FIG. 3 is a partially assembled view of the push down assembly and the pusher assembly of the present embodiment;

FIG. 4 is a schematic view of a pressing assembly of the present embodiment;

FIG. 5 is an assembled view of the link and the push button assembly of the present embodiment;

FIG. 6 is a schematic view (in use) of the can opener of the present embodiment;

fig. 7 is an enlarged schematic view of B in fig. 6.

Description of the reference numerals: 1. a main body; 11. a mounting frame; 111. a limit inclined plane; 112. a sliding groove; 2. a movable rotating shaft; 21. a first blocking member; 22. a second blocking member; 3. pressing the assembly; 31. pressing the handle; 311. a handle bracket; 311-1, a limiting end face; 311-2, a first rotating shaft; 311-3, a second rotating shaft; 312. a trigger section; 32. a connecting rod; 321. a first rotation hole; 322. a second rotation hole; 4. a push wheel; 5. a cutter wheel; 51. a cutting edge; 6. a pushing assembly; 61. a pushing slide block; 611. a shaft portion; 62. a first elastic member; 63. a second elastic member; 71. a drive motor; 711. an output gear shaft; 72. a trigger switch; 8. a connecting mechanism; 81. a first transmission gear; 82. a second transmission gear; 83. a third drive gear.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment:

as shown in fig. 1-7, the rotary clamping mechanism of the can opener of the present embodiment comprises a main body 1, a movable rotating shaft 2 disposed in the main body 1, and a pressing component 3 rotatably connected to the upper end of the main body 1; one end of the movable rotating shaft 2 extends out of the main body 1 and is connected with a pushing wheel 4, and correspondingly, the main body 1 is provided with a cutter wheel 5 with a cutting edge 51; the pressing assembly 3 comprises a pressing handle 31 with one end rotatably connected with the main body 1 and a connecting rod 32 rotatably connected with one end of the pressing handle 31 facing the movable rotating shaft 2; correspondingly, a pushing component 6 is arranged on the movable rotating shaft 2, and the pushing component 6 comprises a pushing sliding block 61 which is sleeved on the movable rotating shaft 2 and is rotatably connected with the other end of the connecting rod 32; when a downward force is applied to the downward pressing handle 31, the connecting rod 32 rotates around the joint of the connecting rod and the downward pressing handle 31 and drives the pushing sliding block 61 to move backwards, the pushing sliding block 61 drives the movable rotating shaft 2 to synchronously move backwards, and then the pushing wheel 4 and the cutter wheel 5 are matched to clamp the can. By adopting the scheme, after the pressing handle 31 is operated to press down, the gap between the push wheel 4 and the cutter wheel 5 can be gradually reduced so as to achieve the purpose of clamping the can; the can is suitable for cans with flanges of different thicknesses, and has wider application range. Further, the pressing handle 31 is provided with a handle support 311 rotatably connected with the connecting rod 32, and the main body 1 is provided with a mounting rack 11 for the handle support 311 to rotate; the handle support 311 is provided with a limiting end surface 311-1, and correspondingly, one end of the mounting rack 11 facing the handle support 311 is provided with a limiting inclined surface 111; the push handle 31 is forced to rotate and is pressed downwards to form a first rotating angle and a second rotating angle, the handle bracket 311 and the connecting rod 32 rotate to form a dead angle to form the first rotating angle, the connecting rod 32 drives the movable rotating shaft 2 to move along the axial direction of the movable rotating shaft by a backward moving force of the push sliding block 61, and the push wheel 4 and the cutter wheel 5 are matched to clamp the can; the second rotation angle is formed when the limiting end surface 311-1 of the handle bracket 311 abuts against the limiting inclined surface 111 of the mounting rack 11, the handle 31 is pressed down to stop rotating, and the push wheel 4 and the knife wheel 5 are still in clamping fit. Specifically, in an initial state, an included angle formed between the handle bracket 311 and the link 32 is an obtuse angle, when the handle 31 is pressed down to rotate to a first rotation angle, the angle between the handle bracket 311 and the link 32 reaches 180 degrees, the handle bracket 311 and the link 32 reach a dead point position, and at this time, the pushing wheel 4 and the cutter wheel 5 keep the clamping force unchanged, so that the can is clamped and does not fall off. Preferably, the restricting slope is inclined from top to bottom toward a direction close to the push-down handle 31. By adopting the above scheme, the handle support 311 is provided with the limiting plane, and the cooperation of the limiting plane and the limiting inclined plane of the mounting rack 11 can ensure that the pressing handle 31 is kept unchanged at a small angle when pressed down, thereby ensuring that the clamping fit force of the push wheel 4 and the knife flywheel 5 is within a reasonable range. Further, the handle bracket 311 includes a first rotating shaft 311-2 rotatably connected to the mounting bracket 11 and a second rotating shaft 311-3 rotatably connected to the connecting rod 32, and the pushing slider 61 is provided with a shaft portion 611 rotatably connected to the connecting rod 32; correspondingly, the top of the mounting bracket 11 is provided with a rotation groove for adapting to the first rotation shaft 311-2, and the connecting rod 32 is provided with a first rotation hole 321 for adapting to the second rotation shaft 311-3 and a second rotation hole 322 for adapting to the shaft portion 611. Preferably, the mounting bracket 11 is provided with a sliding groove 112 for adapting to the two shaft portions 611, and an opening is provided at one end of the sliding groove 112 away from the mounting bracket 11, so as to facilitate disassembly and assembly; the sliding groove 112 is used for limiting the radial play of the pushing slide block 61, so that the whole structure is stable during the pressing process. Specifically, one end of the link 32 rotates around the second rotating shaft 311-3, and the other end rotates around the shaft portion 611.

Further, a driving control mechanism for controlling the movable rotating shaft 2 to rotate is further arranged in the main body 1, and the driving control mechanism comprises a driving motor 71 and a trigger switch 72 electrically connected with the driving motor 71; the push-down handle 31 is provided with a trigger portion 312 for triggering the trigger switch 72; when the pressing handle 31 rotates to the limit end face of the handle support 311 abutting against the limit inclined plane 111 of the mounting rack 11, the trigger part 312 contacts the trigger switch 72, and the trigger switch 72 gives a signal to the driving motor 71 to control the rotation of the movable rotating shaft 2. Further, the trigger part 312 is disposed at one end of the pressing handle 31 far away from the handle bracket 311, and correspondingly, the trigger switch 72 is disposed in the main body 1 and below the trigger part 312. Specifically, when the pressing handle 31 is rotated to a second rotation angle, the triggering portion 312 contacts the triggering switch 72, and signals the driving motor 71 to control the rotation of the movable rotating shaft 2; meanwhile, the limiting end face of the handle bracket 311 abuts against the limiting inclined plane 111 of the mounting rack 11, and the pressing handle 31 cannot be driven to rotate. More specifically, because the pushing wheel 4 and the cutter wheel 5 are already in a clamping fit state at the first rotation angle, and the gap between the trigger part 312 and the trigger switch 72 is small at this time, the second rotation angle only needs to be slightly larger than the first rotation angle, and the trigger part 312 can trigger the trigger switch 72, and it can also be ensured that the clamping fit strength of the pushing wheel 4 and the cutter wheel 5 is within a reasonable range. By adopting the scheme, the can be clamped and the drive can be controlled by only one action, so that the operation of a user is simple; the pressing handle 31 rotates to form a first rotating angle and a second rotating angle, and the pushing wheel 4 and the cutter wheel 5 are clamped and positioned at the first rotating angle; when the second rotation angle, the drive starts to rotate and cut, two processes are sequentially realized, and the effects of stable clamping and high safety are achieved.

Further, the pushing assembly 6 further includes a first elastic member 62 and a second elastic member 63 sleeved on the movable rotating shaft 2 and respectively disposed at two ends of the pushing slider 61; wherein, the two ends of the movable rotating shaft 2 are respectively provided with a first blocking piece 21 and a second blocking piece 22, and the second blocking piece 22 is positioned at the inner side of the pushing wheel 4; the first elastic element 62 drives the pushing slider 61 to always have a tendency to move away from the first blocking element 21, and the second elastic element 63 drives the pushing wheel 4 to always have a tendency to move away from the knife wheel 5. Further, a connecting mechanism 8 for transmitting the power of the driving motor 71 to the movable rotating shaft 2 is arranged in the main body 1, and the connecting mechanism 8 comprises a first transmission gear 81 in meshing connection with an output gear shaft 711 of the driving motor 71, a second transmission gear 82 coaxially arranged with the first transmission gear 81, and a third transmission gear 83 in meshing transmission with the second transmission gear 82; wherein, the third transmission gear 83 is sleeved on the movable rotating shaft 2. Preferably, the third transmission gear 83 is disposed between the pushing slide block 61 and the first elastic member 62.

The working principle of the embodiment is as follows:

in the initial state, the pressing handle 31 is far away from the pushing assembly 6, when the can is placed on the main body 1 for cutting, the upper end edge of the can is correspondingly placed between the pushing wheel 4 and the knife wheel 5, and the cutting edge 51 of the knife wheel 5 is tightly positioned with the side wall of the can.

A downward force is applied to the downward pressing handle 31 to make the downward movement rotate to a first rotation angle, the connecting rod 32 rotates around the second rotating shaft 311-3 until the connecting rod and the handle bracket 311 reach a dead point position, the connecting rod 32 applies a pressing force to the pushing slide block 61 in a direction away from the can, meanwhile, the pushing slide block 61 applies a pressing force to the first elastic member 62, the first elastic member 62 applies a backward pushing force to the first blocking member 21, the movable rotating shaft 2 integrally moves backward, the pushing wheel 4 is driven to synchronously move backward, so that the gap between the pushing wheel 4 and the knife wheel 5 is reduced, and the flange of the can is clamped; the push-down handle 31 is further pushed down, and when the push-down handle rotates to a second rotation angle, the trigger part 312 contacts the trigger switch 72, the trigger switch 72 is triggered to give a signal to the driving motor 71 to start the driving motor, and power is transmitted to the movable rotating shaft 2 through the connecting mechanism 8 to drive the push wheel 4 to do synchronous rotation motion to cut the cans. Because friction is formed between the pushing wheel 4 and the top cover of the can, the rotation of the pushing wheel 4 can drive the can to rotate relative to the main body 1, and when the can rotates, the cutting edge 51 of the knife wheel 5 acts on the side wall of the can and cuts the side wall of the can, so that the cutting work is finished.

After cutting, the upward and downward pressing handle 31 moves upwards and drives the connecting rod 32 to rotate and reset, the restoring force of the second elastic part 63 drives the movable rotating shaft 2 to move in advance and drives the pushing wheel 4 to move in the direction away from the knife flywheel 5, so that the pushing wheel and the knife flywheel 5 are separated, the can be taken down, and the restoring force of the first elastic part 62 drives the pushing sliding block 61 to move forwards and reset; meanwhile, when the push-down handle 31 is lifted up, the trigger part 312 is synchronously moved up and separated from the trigger switch 72, and the driving motor 71 stops operating.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the technical principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a rotary clamping mechanism of can opener which characterized in that: comprises a main body (1), a movable rotating shaft (2) arranged in the main body (1) and a pressing component (3) rotationally connected to the upper end of the main body (1); one end of the movable rotating shaft (2) extends out of the main body (1) and is connected with a pushing wheel (4), and correspondingly, the main body (1) is provided with a cutter wheel (5) with a cutting edge (51); the pressing assembly (3) comprises a pressing handle (31) and a connecting rod (32), one end of the pressing handle (31) is rotatably connected with the main body (1), and the connecting rod is rotatably connected with one end, facing the movable rotating shaft (2), of the pressing handle (31); correspondingly, a pushing assembly (6) is arranged on the movable rotating shaft (2), and the pushing assembly (6) comprises a pushing sliding block (61) which is sleeved on the movable rotating shaft (2) and is rotatably connected with the other end of the connecting rod (32); when the pressing handle (31) is pressed downwards, the connecting rod (32) rotates around the joint of the connecting rod and the pressing handle (31) and drives the pushing sliding block (61) to move backwards, the pushing sliding block (61) drives the movable rotating shaft (2) to move backwards synchronously, and then the pushing wheel (4) and the cutter wheel (5) are matched to clamp the can.

2. The rotary clamping mechanism for a can opener according to claim 1, further comprising:

the pressing handle (31) is provided with a handle support (311) which is rotatably connected with the connecting rod (32), and the main body (1) is internally provided with a mounting rack (11) for the handle support (311) to rotate; the handle support (311) is provided with a limiting end face (311-1), and correspondingly, one end, facing the handle support (311), of the mounting rack (11) is provided with a limiting inclined face (111);

the pushing handle (31) is rotated under stress and pushed down to form a first rotating angle and a second rotating angle, the handle support (311) and the connecting rod (32) rotate to form a dead angle to form the first rotating angle, the connecting rod (32) drives the movable rotating shaft (2) to move along the axial direction of the movable rotating shaft by a backward moving force of the pushing sliding block (61), and then the pushing wheel (4) and the cutter wheel (5) are matched to clamp the can; and the second rotation angle is formed when a limiting end face (311-1) of the handle support (311) abuts against a limiting inclined plane (111) of the mounting rack (11), the handle (31) is pressed down to stop rotating, and the push wheel (4) is still in clamping fit with the knife flywheel (5).

3. The rotary clamp mechanism for a can opener according to claim 2, characterized in that: the handle bracket (311) comprises a first rotating shaft (311-2) rotatably connected with the mounting rack (11) and a second rotating shaft (311-3) rotatably connected with the connecting rod (32), and the pushing sliding block (61) is provided with a shaft part (611) rotatably connected with the connecting rod (32); correspondingly, the top of the mounting frame (11) is provided with a rotating groove used for being matched with the first rotating shaft (311-2), and the connecting rod (32) is provided with a first rotating hole (321) used for being matched with the second rotating shaft (311-3) and a second rotating hole (322) used for being matched with the shaft part (611).

4. The rotary clamp mechanism for a can opener according to claim 2, characterized in that: the main body (1) is also internally provided with a drive control mechanism for controlling the movable rotating shaft (2) to rotate, and the drive control mechanism comprises a drive motor (71) and a trigger switch (72) electrically connected with the drive motor (71); the pressing handle (31) is provided with a trigger part (312) for triggering the trigger switch (72); when the pressing handle (31) rotates to the limit end face of the handle support (311) and abuts against the limit inclined plane (111) of the mounting rack (11), the trigger part (312) contacts the trigger switch (72), and the trigger switch (72) controls the driving motor (71) to rotate through signals, so that the movable rotating shaft (2) is controlled to rotate.

5. The rotary clamp mechanism of a can opener according to claim 4, characterized in that: the trigger part (312) is arranged at one end, far away from the handle support (311), of the pressing handle (31), and correspondingly, the trigger switch (72) is arranged in the main body (1) and is located below the trigger part (312).

6. The rotary clamp mechanism for a can opener according to claim 1, characterized in that: the pushing assembly (6) further comprises a first elastic piece (62) and a second elastic piece (63) which are sleeved on the movable rotating shaft (2) and respectively arranged at two ends of the pushing sliding block (61); wherein, a first blocking piece (21) and a second blocking piece (22) are respectively arranged at two ends of the movable rotating shaft (2), and the second blocking piece (22) is positioned at the inner side of the pushing wheel (4); the first elastic piece (62) drives the pushing sliding block (61) to always have a movement trend away from the first blocking piece (21), and the second elastic piece (63) drives the pushing wheel (4) to always have a movement trend away from the knife wheel (5).

7. The rotary clamp mechanism of a can opener according to claim 4, characterized in that: a connecting mechanism (8) for transmitting the power of the driving motor (71) to the movable rotating shaft (2) is arranged in the main body (1), and the connecting mechanism (8) comprises a first transmission gear (81) in meshed connection with an output gear shaft (711) of the driving motor (71), a second transmission gear (82) coaxially arranged with the first transmission gear (81), and a third transmission gear (83) in meshed transmission with the second transmission gear (82); wherein the third transmission gear (83) is sleeved on the movable rotating shaft (2).

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