CN110883790A - Electric knife - Google Patents
Electric knife Download PDFInfo
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- CN110883790A CN110883790A CN201911264970.1A CN201911264970A CN110883790A CN 110883790 A CN110883790 A CN 110883790A CN 201911264970 A CN201911264970 A CN 201911264970A CN 110883790 A CN110883790 A CN 110883790A
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- handle
- switch
- saw blade
- sliding sheet
- button switch
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- 238000010586 diagram Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
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- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
- B25G1/12—Handle constructions characterised by material or shape electrically insulating material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Knives (AREA)
Abstract
The present invention relates to an electric knife. The saw comprises a handle and a saw blade, wherein the saw blade comprises a left saw blade and a right saw blade; the two saw blades are mutually attached, and one of the two saw blades is provided with a stroke limiting notch along the reciprocating direction; the side surface of the other saw blade is provided with a limiting buckle, the limiting buckle is clamped in the stroke limiting notch after the two saw blades are attached, and the limiting buckle is matched with the limiting notch to ensure that the two saw blades are attached and cannot be separated; when the two saw blades move relatively, the limiting buckle moves in the stroke limiting notch in a reciprocating mode. The connection mode of the motor assembly and the transmission assembly ensures the transmission stability; the two saw blade blades move relatively in the direction of the whole saw blade doing linear reciprocating motion, so that the two saw blade blades have the effects of twisting and cutting mutually, and the blades can be replaced.
Description
Technical Field
The present invention relates to an electric knife.
Background
High-power reciprocating electric saws or electric shears are common, and the tools are mainly used for woodworkers to cut wood, fell trees or trim garden seedlings in gardens, and can also be used for cutting steel pipes and the like in industry. The utility model patent of the utility model with the publication number of grant CN 205415701U discloses a kitchen electric knife, but among this technical scheme, drive mechanism is complicated, and the cutting edge motion form is simple, and the user can't change different cutting edges according to specific edible material, uses moreover and is similar to miniaturized electric saw, and user experience remains to improve.
Disclosure of Invention
The invention provides an electric knife.
In order to solve the technical problem, the invention provides an electric knife, which comprises a handle and a saw blade, wherein the saw blade comprises a left saw blade and a right saw blade; the two saw blades are mutually attached and can move relatively to each other; under the action of power, the two saw blade blades move relatively to each other while reciprocating.
Preferably, one of the two saw blades is provided with a stroke limiting notch along the reciprocating direction; the side surface of the other saw blade is provided with a limiting buckle, the limiting buckle is clamped in the stroke limiting notch after the two saw blades are attached, and the limiting buckle is matched with the limiting notch to ensure that the two saw blades are attached and cannot be separated; when the two saw blades move relatively, the limiting buckle moves in the stroke limiting notch in a reciprocating mode.
Preferably, the device comprises a motor assembly, a transmission assembly and a motor fixing bracket;
the motor assembly comprises a direct current motor and a worm; the worm is arranged at the end part of the output shaft of the direct current motor;
the transmission assembly comprises an eccentric helical gear, an eccentric gear sleeve, a left sliding sheet, a right sliding sheet and a sliding sheet supporting frame;
the motor fixing bracket comprises a motor fixing sleeve and an eccentric helical gear mounting part; the eccentric helical gear mounting part is positioned on the front end surface of the motor fixing sleeve and is integrally formed with the motor fixing sleeve; the motor fixing sleeve is sleeved at the front end of the direct current motor, and the eccentric helical gear is arranged on an eccentric helical gear mounting part of the motor fixing bracket through a pin shaft; the eccentric helical gear is meshed with the worm;
two sides of the eccentric helical gear are respectively provided with a cylindrical eccentric gear sleeve, the two eccentric gear sleeves are not coaxial, and the rotating shafts of the two eccentric gear sleeves and the eccentric helical gear are not coaxial; waist-shaped holes are formed in the rear ends of the left sliding sheet and the right sliding sheet, and the eccentric gear sleeve is positioned in the waist-shaped holes after assembly; the front end of the left sliding sheet is respectively provided with a left saw blade and a right saw blade; the left sliding sheet and the right sliding sheet are placed in the sliding sheet supporting frame and are in clearance fit with the sliding sheet supporting frame, and the left sliding sheet and the right sliding sheet can slide back and forth in the sliding sheet supporting frame.
Preferably, motor element and transmission assembly all install inside the handle, and wherein, the round pin axle both ends are installed in the shaft hole that is located the handle inside.
Preferably, the transmission assembly further comprises a lock catch and a bending spring;
the side part of the lock catch is provided with a convex part, the lock catch is inserted into a corresponding mounting position arranged on the left sliding sheet or the right sliding sheet, and the mounting position provides a stroke space for the lock catch to move up and down; the bending spring is arranged in a corresponding mounting position arranged on the left sliding sheet or the right sliding sheet, the lock catch is matched with the bending spring, and the lock catch is in an initial state in the mounting position under the action of the bending spring;
the saw blade comprises a blade part and an assembly part, and the assembly part is provided with a clamping groove matched with the convex part of the lock catch; when the saw blade is assembled, the assembling parts of the left saw blade and the right saw blade are respectively inserted into the left sliding sheet and the right sliding sheet, the lock catch and the protruding part move downwards under the action of the inclined plane at the end part of the assembling part, after the clamping groove slides into the corresponding position of the protruding part, the lock catch and the protruding part move upwards to an initial state under the action of the resilience force of the bending spring, and the protruding part is clamped in the clamping groove.
Preferably, the handle is provided with a sliding switch, the sliding switch comprises a button positioned outside the handle and a sliding block positioned inside the handle, and the button and the sliding block are integrally formed; an extension spring is connected between the sliding block and the handle, and the sliding switch does not draw the acting force of the extension spring in the initial state; when the sliding block is slid backwards through the button, the extension spring deforms, and meanwhile, the sliding switch is positioned on the inclined plane at the end part of the sliding block and acts on the top of the lock catch, so that the lock catch moves linearly downwards, and the protruding part moves downwards and is separated from the clamping groove.
Preferably, a button switch is arranged below the handle, and the button switch and the microswitch form a power switch; the plastic rib position with the deformation function is arranged in the handle, the button switch is installed on the handle through a shaft pin, a hook of the button switch is matched with the plastic rib position, the plastic rib position limits the button switch in a closed state, when the button switch is pressed by a finger, the plastic rib position deforms, the button switch rotates towards the inside of the handle until the button switch touches the micro switch, after the button switch touches the micro switch, a power supply is switched on, and the motor starts to work; when the button switch is loosened, the deformation of the plastic rib position is restored to the original state, the button switch is limited in the closed state again, and the micro switch is disconnected at the moment.
Preferably, a switch pin capable of moving left and right is further arranged below the handle, when the switch pin is pressed down from one end, the salient point of the switch pin props up the button switch, the button switch is in a locked state, and when the switch pin is pressed back from the other end, the salient point of the switch pin is separated from the button switch.
Preferably, the push button switch is positioned with a retainer.
Preferably, the main body of the handle is composed of a left handle wrapping glue and a right handle wrapping glue, and the left handle wrapping glue and the right handle wrapping glue comprise internal hard glue and external TPE soft glue; the eccentric gear sleeve is made of H65 brass, so that the friction heating problem caused by rotation can be reduced, and plastic parts cannot be melted due to too high rotation speed; and the surface of the saw blade is provided with a TiCN coating.
Compared with the prior art, the invention has the remarkable advantages that: the connection mode of the motor assembly and the transmission assembly ensures the transmission stability; the two saw blade blades move relatively in the direction of the whole saw blade doing linear reciprocating motion, so that the mutual twisting and cutting effects are formed between the two saw blade blades, and the cutting efficiency of the blades is improved; the blade can be conveniently, quickly and safely replaced according to the use scene; through various safety measures, the safety and reliability are high.
Drawings
FIG. 1 is a schematic view of the assembly of the present invention.
Fig. 2 is a schematic view of the assembly of the motor assembly of the present invention.
FIG. 3 is a schematic view of the transmission assembly of the present invention.
Fig. 4 is a perspective view of an eccentric helical gear according to the present invention.
FIG. 5 is a side view of an eccentric helical gear according to the present invention.
Fig. 6 is a schematic view of a motor fixing bracket according to the present invention.
FIG. 7 is a schematic view of a left (right) slide of the present invention.
FIG. 8 is a schematic view of the transmission assembly of the present invention.
FIG. 9 is a schematic view of a slider support of the present invention.
Fig. 10 is a partial enlarged view of the switch position of the present invention.
FIG. 11 is a view showing the position of the plastic ribs on the left handle overmold inside the handle of the present invention.
FIG. 12 is a schematic diagram of the switch of the present invention.
Fig. 13 is a schematic view of the cooperation between the microswitch, the switch pin and the push button switch of the present invention.
Fig. 14 is a three-dimensional view of a switch pin according to the present invention.
Fig. 15 is a schematic view of various saws of the present invention.
Fig. 16 is an exploded view of the right handle overmold of the present invention.
Fig. 17 is a schematic view of a handle portion of the present invention.
Fig. 18 is an overall appearance diagram of the present invention.
Fig. 19 is a schematic view of the storage box of the present invention.
Reference numerals: a left handle is encapsulated with rubber 1; a motor assembly 2; a transmission assembly 3; a saw blade assembly 4; a left slider 5; a slider support frame 6; a lock catch 7; an eccentric helical gear 8; an eccentric gear sleeve 9; a right slider 10; bending the spring 11; a direct current motor 12; a motor fixing bracket 13; a worm 14; a pin 15; a slide switch 16; an extension spring 17; a microswitch 18; a switch pin 19; a push-button switch 20; a boss 21; rib positions 22; a groove 23; the bumps 24; a 7 inch saw blade assembly 25; a 9-inch saw blade assembly (thin) 26; a 9-inch saw blade assembly (thick) 27; a 12 inch saw blade assembly 28; a hard glue 29; 30, TPE soft rubber; a small lock mark 31; a handle 32; an electric blade 33; a bag 34; a motor fixing sleeve 35; an eccentric helical gear mounting portion 36; a button 37; a slider 38; a hook 39.
Detailed Description
It is easily understood that various embodiments of the present invention can be conceived by those skilled in the art according to the technical solution of the present invention without changing the essential spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
The electric knife comprises a handle 32 and various saw blades 4, wherein the handle 32 is used for installing the various saw blades 4 and providing reciprocating power for the saw blades 4, and the various saw blades 4 can be replaced at any time according to specific use requirements and scenes. The handle 32 in combination with the various saw blades 4 forms an electric blade 33.
As shown in fig. 15, in order to meet different use situations, the saw blade 4 may include 7 inch saw blade assemblies 25, 9 inch saw blade assemblies (thin) 26, 9 inch saw blade assemblies (thick) 27, 12 inch saw blade assemblies 28, and other specifications, and may be adapted to different cutting requirements, so as to cut various food materials in a kitchen and eliminate unsafe factors brought in the use process of the kitchen blade. The saw blade 4 comprises a left saw blade and a right saw blade, and the two saw blades are attached to each other but can move relative to each other. Under the drive of a power source, the two saw blade blades move relatively to each other while reciprocating. Specifically, one of the saw blade blades is provided with a stroke limiting notch along the reciprocating direction; the side of another saw blade is provided with spacing buckle, and after two saw blade laminates, spacing buckle clamps in the spacing notch of stroke, and spacing buckle makes two saw blade laminates not separate with spacing notch cooperation. Meanwhile, when the two saw blade blades move relatively, the limiting buckle can reciprocate in the stroke limiting notch, so that the two saw blade blades can move relatively while not being separated in the using process. In one embodiment, the limit stop is a rivet having a diameter at its end that is greater than the width of the travel limit notch. Depending on the blade length, two saw blades may be assembled and attached using a single rivet or a double rivet with one travel limit notch or two travel limit notches. The two saw blade blades move relatively in the direction of the whole saw blade doing linear reciprocating motion, so that the mutual twisting and cutting effects are formed between the two saw blade blades, and the cutting efficiency of the blades is improved. The surface of the saw blade is provided with the TiCN coating, the coating has the characteristics of wear resistance, corrosion resistance, high hardness, oxidation resistance and the like, is easy to clean, and can be beautiful and new after being washed by tap water. Without corroding the blade or remaining minced meat, scraps and the like after cutting various foods.
As shown in figure 1, the mechanism for providing power for the saw blade 4 is a motor assembly 2, and a transmission assembly 3 positioned at the front end of the motor assembly 2 transmits power to the saw blade 4.
As shown in fig. 2, the motor assembly 2 includes a dc motor 12 and a worm 14. The end part of the output shaft of the direct current motor 12 is riveted with a worm 14, and the worm 14 and the output shaft of the direct current motor 12 rotate coaxially. Because the worm 14 is riveted on the motor output shaft, the worm can not be easily separated from the motor output shaft even under high-speed rotation, and the reliability and the service life of the product are improved. As shown in fig. 3, the transmission assembly 3 is composed of an eccentric helical gear 8, an eccentric gear sleeve 9, a left sliding plate 5, a right sliding plate 10, a lock catch 7, a bending spring 11 and a sliding plate support frame 6.
As shown in fig. 2, the motor assembly 2 is connected with the transmission assembly 3 through a motor fixing bracket 13. As shown in fig. 6, the motor fixing bracket 13 includes a motor fixing sleeve 35 and an eccentric helical gear mounting portion 36. The eccentric helical gear mounting part 36 is located on the front end face of the motor fixing sleeve and is integrally formed with the motor fixing sleeve. The motor fixing sleeve 35 is sleeved at the front end of the direct current motor 12, and the eccentric helical gear 8 is installed on an eccentric helical gear installation part 36 of the motor fixing support 13 through a pin shaft 15. The eccentric bevel gear 8 meshes with a worm 14.
As shown in fig. 4 and 5, two sides of the eccentric helical gear 8 are respectively provided with a cylindrical eccentric gear sleeve 9, the two eccentric gear sleeves 9 are not coaxial, and the rotating shafts of the two eccentric gear sleeves 9 and the eccentric helical gear 8 are not coaxial. As shown in fig. 3 and 7, the rear ends of the left slide plate 5 and the right slide plate 10 are provided with kidney-shaped holes, and the eccentric gear sleeve 9 is positioned in the kidney-shaped holes after assembly. The front ends of the left sliding sheet 5 and the right sliding sheet 10 are respectively provided with a left saw blade and a right saw blade. The left sliding sheet 5 and the right sliding sheet 10 are placed in the sliding sheet support frame 6 and are in clearance fit with the sliding sheet support frame 6, and the left sliding sheet 5 and the right sliding sheet 10 can slide back and forth in the sliding sheet support frame 6. After the electric knife 33 starts the power supply, the dc motor 12 drives the eccentric helical gear 8 to rotate through the worm 14, the eccentric helical gear 8 drives the two eccentric gear sleeves 9 to rotate non-coaxially, and the two eccentric gear sleeves 9 drive the left sliding blade 5 and the right sliding blade 10 to reciprocate back and forth. Because the two eccentric gear sleeves 9 rotate non-coaxially and are matched with the waist-shaped hole, the left sliding piece 5 and the right sliding piece 10 are driven to do linear reciprocating motion back and forth, and the left sliding piece 5 and the right sliding piece 10 also make relative motion, so that the left saw blade and the right saw blade are driven to do reciprocating motion back and forth and do relative motion with each other, and the effects of mutual twisting and cutting are achieved.
The motor assembly 2 and the transmission assembly 3 are both installed inside the handle 32, wherein both ends of the pin shaft 15 are installed inside the shaft hole inside the handle 32. Because the pin shaft 15 is fixed in the handle, and the motor component 2 is connected with the transmission component 3 through the motor fixing support 13, the meshing state of the eccentric helical gear 8 and the worm 14 can not generate play in the using process.
As shown in fig. 8 and 3, the side of the lock catch 7 has a bending leg (protruding part) 41 protruding outwards, and the lock catch 7 is inserted into an installation position provided on the left slider 5 or the right slider 10, and the installation position provides a stroke space for the lock catch 7 to move up and down. The bending spring 11 is also arranged in an installation position arranged on the left sliding sheet 5 or the right sliding sheet 10, the lock catch 7 is matched with the bending spring 11, and the lock catch 7 does not move in the installation position under the action of the bending spring 11.
As shown in fig. 15, the saw blade 4 includes a blade portion and an assembling portion, and the assembling portion is provided with a locking groove which is matched with the bending leg (protruding portion) 41 of the lock catch 7. During the assembly of saw sword 4, insert respectively in left slide 5 and the right slide 10 with the assembly portion of controlling the blade, under the effect on assembly portion tip inclined plane, hasp 7 and the foot (bulge) 41 of bending move down, after the draw-in groove slided into the foot (bulge) 41 relevant position of bending, hasp 7 and foot (bulge) 41 of bending moved up under the effect of the spring force of 11 resilience forces of the spring of bending, thereby make foot (bulge) 41 cards of bending in the draw-in groove, it is fixed to realize saw sword 4 and slide connection.
As shown in fig. 10, a slide switch 16 is provided on the handle, and the slide switch 16 is used to replace the saw blade. The slide switch 16 comprises a button 37 located on the outside of the handle and a slide 38 located on the inside of the handle, the button and slide being integrally formed. An extension spring 17 is connected between the slide block 38 and the handle, and the slide switch 16 does not pull the force of the extension spring 17 in the initial state. When the saw blade needs to be detached and replaced, the sliding block only needs to slide backwards through the button 37, the sliding switch 16 is pressed to the bottom, the extension spring 17 deforms, meanwhile, the sliding switch 16 is located on the inclined plane at the end part of the sliding block and acts on the top of the lock catch 7, the lock catch 7 moves linearly downwards, the bending foot (protruding part) 41 originally clamped in the clamping groove of the saw blade moves downwards and is separated from the clamping groove, and the saw blade can be pulled out at the moment. When the hand is released, the slide switch 16 returns to the original position by the recovery of the extension spring 17, and the latch 7 returns to the original position by the action of the bending spring 11.
As shown in fig. 10 to 14, a push switch 20 is provided below the handle of the electric knife 33, and the push switch 20 cooperates with the micro switch 18 and the switch pin 19 to form a power switch function. The inside plastics muscle position 22 that is provided with the deformation function of handle, button switch 20 passes through the pivot and installs on the handle, button switch 20's crotch 39 and the cooperation of plastics muscle position 22, plastics muscle position 22 is spacing at off-state with button switch 22, when finger press button switch 20, plastics muscle position 22 takes place to be deformed, button switch 20 is to the inside rotation of handle, touch the micro-gap switch 18 of installing at fixed position until button switch 20, after button switch 20 touched micro-gap switch 18, the power switch-on, electric knife 33 begins work, when the hand loosens the back, plastics muscle position 22 deformation reconversion, it is spacing at off-state with button switch 22 again, micro-gap switch 18 disconnection this moment. In order to ensure the use safety of the electric knife 33, after the button switch 20 is restored to the off state, the switch pin 19 which can move left and right is pressed, the switch pin 19 forms a limit mechanism through the matching between the left handle rubber coating and the right handle rubber coating and the button switch 20, after the switch pin 19 is pressed, the salient point of the switch pin 19 deadens the button switch 20, the button switch 20 is locked, and after the switch pin 19 is pressed back from the other side, the button switch 20 is opened. In order to ensure that the switch pin 19 has a mechanical positioning effect after being pressed left and right, a boss 24 is designed on the hard rubber 29 part of the left handle rubber coating 1, and a groove 23 is designed on the corresponding position of the switch pin 19, so that the switch pin 19 can have a mechanical positioning effect when being pressed left and right in the use process. Furthermore, small lock marks 31 for unlocking and locking are designed on the TPE soft rubber 30 which is coated with the left handle and the right handle and corresponds to the switch pin 19, so that the use safety function is clear.
As shown in fig. 10, the position of the push button switch 20 is provided with a retainer, which is similar to a trigger retainer on a gun and can ensure the double safety function of the push button switch 20 when the electric knife 33 is accidentally dropped and touched during use.
The dc motor 12 is used in this embodiment, but other motors may be used. As an improvement, each part of the handle is also provided with a battery which supplies power for the motor. Of course, the power can be supplied by an external power supply instead of a battery.
In this embodiment, referring to fig. 1 and 16, the main body of the handle 32 is composed of a left handle rubber 1 and a right handle rubber, and both the left handle rubber 1 and the right handle rubber include an inner hard rubber 29 and an outer TPE soft rubber 30. Namely, a layer of TPE soft rubber 30 is injected on the surface of the hard rubber 29, and irregular patterns are arranged on the soft rubber, so that the hand feels. The TPE soft rubber 30 is matched with the plastic particle components through the hard rubber 29, so that the adhesive force is improved, and the TPE soft rubber 30 cannot be easily torn off from the hard rubber 29. The slide support frame 6 is in interference fit with the plastic ribs encapsulated on the left and the right in the handle 32 and is closely arranged on the encapsulation of the left and the right handles. The eccentric gear sleeve 9 is made of H65 brass, so that the friction heating problem caused by rotation can be reduced, and plastic parts cannot be melted due to too high rotation speed.
In the embodiment, the eccentric helical gear is meshed with the worm, and the helical gear has the characteristics of stable transmission and small impact and vibration, so that the low noise of the whole machine operation is ensured, and the noise range can be born by people. The reduction ratio of the meshing of the bevel gear and the worm is 25:3, so that the rotating speed of the blade is maintained at about 2120RPM, and the highest efficiency of the whole machine operation is guaranteed.
The motor is externally connected with a temperature and current thermal protector, and in the using process, if the load is too large to cause heating, the circuit can be directly cut off in the using process, so that the use safety of a user is protected. The embodiment also designs a money case for the inching knife, and the money case is specially used for fishing when a ship is opened to the sea or taking the fishing out of the sea.
The electric knife can be used for killing fish, cutting fish fillets or meat, cutting steak or vegetables, cutting bread, cutting cakes and the like, is more efficient and convenient, replaces actions such as cutting and chopping in the use process of the kitchen knife, is more efficient and convenient to use, can eliminate unsafe factors in the process of killing fish or cutting meat by the kitchen knife, and is safer.
Claims (10)
1. An electric knife comprising a handle (32) and a saw blade (4), characterized in that the saw blade (4) comprises a left saw blade and a right saw blade; the two saw blades are mutually attached and can move relatively to each other; under the action of power, the two saw blade blades move relatively to each other while reciprocating.
2. The powered knife of claim 1, wherein one of the two saw blades is provided with a travel limit notch in the direction of reciprocation; the side surface of the other saw blade is provided with a limiting buckle, the limiting buckle is clamped in the stroke limiting notch after the two saw blades are attached, and the limiting buckle is matched with the limiting notch to ensure that the two saw blades are attached and cannot be separated; when the two saw blades move relatively, the limiting buckle moves in the stroke limiting notch in a reciprocating mode.
3. The electric knife according to any of claims 1 or 2, characterized by comprising a motor assembly (2), a transmission assembly (3) and a motor fixing bracket (13);
the motor component (2) comprises a direct current motor (12) and a worm (14); the worm (14) is arranged at the end part of the output shaft of the direct current motor (12);
the transmission assembly (3) comprises an eccentric helical gear (8), an eccentric gear sleeve (9), a left sliding sheet (5), a right sliding sheet (10) and a sliding sheet supporting frame (6);
the motor fixing bracket (13) comprises a motor fixing sleeve (35) and an eccentric helical gear mounting part (36); the eccentric helical gear mounting part (36) is positioned on the front end surface of the motor fixing sleeve and is integrally formed with the motor fixing sleeve; the motor fixing sleeve (35) is sleeved at the front end of the direct current motor (12), and the eccentric helical gear (8) is installed on an eccentric helical gear installation part (36) of the motor fixing support (13) through a pin shaft (15); the eccentric helical gear (8) is meshed with the worm (14);
two sides of the eccentric helical gear (8) are respectively provided with a cylindrical eccentric gear sleeve (9), the two eccentric gear sleeves (9) are not coaxial, and rotating shafts of the two eccentric gear sleeves (9) and the eccentric helical gear (8) are not coaxial; waist-shaped holes are formed in the rear ends of the left sliding sheet (5) and the right sliding sheet (10), and the eccentric gear sleeve (9) is positioned in the waist-shaped holes after assembly; the front ends of the left sliding sheet (5) and the right sliding sheet (10) are respectively provided with a left saw blade and a right saw blade, the left sliding sheet (5) and the right sliding sheet (10) are placed in the sliding sheet supporting frame (6) and are in clearance fit with the sliding sheet supporting frame (6), and the left sliding sheet (5) and the right sliding sheet (10) can slide back and forth in the sliding sheet supporting frame (6).
4. The electric knife according to claim 3, characterized in that the motor assembly (2) and the transmission assembly (3) are both mounted inside the handle (32), wherein both ends of the pin (15) are mounted in a shaft hole located inside the handle (32).
5. The electric knife according to claim 3, characterized in that the transmission assembly (3) further comprises a latch (7) and a bending spring (11);
the side part of the lock catch (7) is provided with a convex part (41), the lock catch (7) is inserted into a corresponding mounting position arranged on the left sliding sheet (5) or the right sliding sheet (10), and the mounting position provides a stroke space for the lock catch (7) to move up and down; the bending spring (11) is arranged in a corresponding mounting position arranged on the left sliding sheet (5) or the right sliding sheet (10), the lock catch (7) is matched with the bending spring (11), and the lock catch (7) is in an initial state in the mounting position under the action of the bending spring (11);
the saw knife (4) comprises a knife edge part and an assembling part, and a clamping groove matched with the protruding part (41) of the lock catch (7) is arranged on the assembling part; when the saw blade (4) is assembled, the assembling parts of the left saw blade and the right saw blade are respectively inserted into the left sliding sheet (5) and the right sliding sheet (10), the lock catch (7) and the protruding part (41) move downwards under the action of the inclined plane at the end part of the assembling part, after the clamping groove slides into the corresponding position of the protruding part (41), the lock catch (7) and the protruding part (41) move upwards to an initial state under the action of resilience force of the bending spring (11), and the protruding part (41) is clamped in the clamping groove.
6. The electric knife according to claim 5, characterized in that the handle is provided with a slide switch (16), the slide switch (16) comprises a button (37) located outside the handle and a slide (38) located inside the handle, the button and the slide are integrally formed; an extension spring (17) is connected between the sliding block (38) and the handle, and the sliding switch (16) does not pull the acting force of the extension spring (17) in the initial state; when the sliding block is backwards slid through the button (37), the extension spring (17) deforms, and meanwhile, the inclined surface of the sliding switch (16) at the end part of the sliding block acts on the top of the lock catch (7), so that the lock catch (7) linearly moves downwards, and the protruding part (41) moves downwards and is separated from the clamping groove.
7. The electric knife according to claim 3, characterized in that a push-button switch (20) is arranged below the handle, the push-button switch (20) and the micro-switch (18) form a power switch; the plastic rib position (22) with the deformation function is arranged in the handle, the button switch (20) is installed on the handle through a shaft pin, a hook (39) of the button switch (20) is matched with the plastic rib position (22), the button switch (22) is limited in the closed state by the plastic rib position (22), when a finger presses the button switch (20), the plastic rib position (22) deforms, the button switch (20) rotates towards the inside of the handle until the button switch (20) touches the micro switch (18), when the button switch (20) touches the micro switch (18), the power supply is switched on, and the motor starts to work; when the button switch (20) is released, the deformation of the plastic rib position (22) is recovered, the button switch (22) is limited in the closed state again, and the micro switch (18) is switched off at the moment.
8. The electric knife according to claim 7, characterized in that a switch pin (19) capable of moving left and right is further arranged below the handle, when the switch pin (19) is pressed down from one end, the salient point of the switch pin (19) pushes the button switch (20) to be dead, the button switch (20) is in a locked state, and when the switch pin (19) is pressed back from the other end, the salient point of the switch pin (19) is separated from the button switch (20).
9. The electric blade according to claim 8, characterized in that the push button switch (20) is positioned with a retainer.
10. Electric knife according to any of claims 4 to 9, characterised in that the body of the handle (32) consists of a left handle coating (1) and a right handle coating, both the left handle coating (1) and the right handle coating comprising an inner hard glue (29) and an outer TPE soft glue (30); the eccentric gear sleeve (9) is made of H65 brass, so that the friction heating problem caused by rotation can be reduced, and plastic parts cannot be melted due to too high rotation speed; and the surface of the saw blade is provided with a TiCN coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264970.1A CN110883790A (en) | 2019-12-11 | 2019-12-11 | Electric knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264970.1A CN110883790A (en) | 2019-12-11 | 2019-12-11 | Electric knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110883790A true CN110883790A (en) | 2020-03-17 |
Family
ID=69751429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911264970.1A Pending CN110883790A (en) | 2019-12-11 | 2019-12-11 | Electric knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110883790A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307259A (en) * | 1964-06-22 | 1967-03-07 | Scovill Manufacturing Co | Power operated knife |
| DE2704007A1 (en) * | 1977-02-01 | 1978-08-03 | Volz Abc Elektrogeraete | Electric knife for domestic use - has motor housing with hand grip and blade holder which moves to=and=fro when activated by two-handed switch |
| US6185826B1 (en) * | 1999-05-13 | 2001-02-13 | Scott Lutz | Electric slicing knife with switch guard |
| US20050198836A1 (en) * | 2004-02-23 | 2005-09-15 | Ingo Thiele | Electrical knife |
| CN102275171A (en) * | 2004-09-14 | 2011-12-14 | 阿韦洛公司 | Powered utility knife |
| CN211388877U (en) * | 2019-12-11 | 2020-09-01 | 南京沃特电机有限公司 | Electric knife |
-
2019
- 2019-12-11 CN CN201911264970.1A patent/CN110883790A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307259A (en) * | 1964-06-22 | 1967-03-07 | Scovill Manufacturing Co | Power operated knife |
| DE2704007A1 (en) * | 1977-02-01 | 1978-08-03 | Volz Abc Elektrogeraete | Electric knife for domestic use - has motor housing with hand grip and blade holder which moves to=and=fro when activated by two-handed switch |
| US6185826B1 (en) * | 1999-05-13 | 2001-02-13 | Scott Lutz | Electric slicing knife with switch guard |
| US20050198836A1 (en) * | 2004-02-23 | 2005-09-15 | Ingo Thiele | Electrical knife |
| CN102275171A (en) * | 2004-09-14 | 2011-12-14 | 阿韦洛公司 | Powered utility knife |
| CN211388877U (en) * | 2019-12-11 | 2020-09-01 | 南京沃特电机有限公司 | Electric knife |
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