CN210705027U - Lever system and household vegetable cutting device applying same - Google Patents

Abstract

The utility model provides a lever system and applied lever system's family expenses device of cutting dish, belongs to articles for daily use technical field, the utility model discloses a solve present people and often cut finger and vegetable and cut irregular problem when cutting the dish. The support system is used for supporting the swing system and the stepping driving device, the swing system can do reciprocating rotary motion around one point on the support system, the swing system can drive the stepping driving device to do synchronous linear motion when swinging, and the swing system is provided with a tool rest sliding sleeve capable of sliding along the swing system. The lever system and the household vegetable cutting device applying the lever system can avoid cutting fingers, and the vegetables are neat and uniform after being cut by utilizing the accurate displacement of the mechanical structure.

Description

Lever system and household vegetable cutting device applying same

Technical Field

The utility model relates to a lever system and device of cutting dish, concretely relates to lever system and applied lever system's domestic device of cutting dish belongs to articles for daily use technical field.

Background

In life, two problems of family vegetable cutting exist, namely, fingers are often cut to cause injury to human bodies; secondly, most housewives do not have professional training and often cut irregularly, manual vegetable cutting is the movement of a knife relative to a cut object, and has two actions, one is the cutting action of the kitchen knife, the other is the transverse movement of the kitchen knife, the cutting action is to cut one cut object, and the transverse movement is to prepare to cut the other cut object. When cutting, the kitchen knife and the object to be cut are transversely and relatively static and longitudinally and relatively move; when the kitchen knife moves transversely, the kitchen knife and the cut object are longitudinally relatively static and transversely relatively move. The manual vegetable cutting is to fix the cut object, all the actions are completed by the kitchen knife, the cut object is fixed by one hand, the knife is moved by the other hand, and therefore fingers can be cut.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lever system and applied lever system's domestic device of cutting dish to solve present people and often cut the problem that finger and dish cut inequality when cutting the dish.

A lever system and a household vegetable cutting device applying the lever system comprise a supporting system, a swinging system, a stepping driving device and a knife rest sliding sleeve;

the support system is used for supporting the swing system and the stepping driving device, the swing system can do reciprocating rotary motion around one point on the support system, the swing system can drive the stepping driving device to do synchronous linear motion when swinging, and the swing system is provided with a tool rest sliding sleeve capable of sliding along the swing system.

Preferably: the supporting system comprises a supporting frame, a supporting plate, a shaft barrel, a reinforcing plate, a shaft and a positioning sliding sleeve;

the symmetry is equipped with the positioning sliding sleeve on the support frame, rotates between two positioning sliding sleeves and installs a section of thick bamboo, and one side of a section of thick bamboo is equipped with the backup pad, is equipped with the reinforcing plate on the outside of backup pad, and the inboard of backup pad is equipped with the axle, and backup pad and reinforcing plate are passed to the one end of axle, and the other end of axle articulates there is step drive and swing system.

Preferably: the clamping has the decorative board between backup pad and the reinforcing plate, is equipped with the groove of accomodating that holds backup pad and reinforcing plate on the decorative board, and the decoration panel veneer is on the decorative board.

Preferably: the swing system comprises a swing plate, a first slide rod, a second slide rod and a first bearing;

the swing plate is rotatably arranged on the supporting system through a first bearing, and a first sliding rod and a second sliding rod are arranged on one side of the swing plate in parallel.

Preferably: two sides of the first bearing are provided with second bearings, the swing plate is provided with a positioning shaft, and two ends of the positioning shaft are respectively abutted against the outer rings of the two second bearings through jackscrews.

Preferably: the stepping driving device comprises a half gear, a cylindrical rack and a stepping amplitude adjusting device;

the cylindrical rack is arranged in the shaft cylinder in a sliding mode, the end portion of the cylindrical rack can extend out of the shaft cylinder and is provided with a matching portion, the half gear is arranged on the shaft in a rotating mode, the gear end of the half gear penetrates through the shaft cylinder to be meshed with the cylindrical rack, the stepping amplitude adjusting device is arranged on the swing system and can swing along with the swing system, the protruding end matched with the stepping amplitude adjusting device is arranged on one side of the half gear, and the kidney-shaped hole used for returning is formed in the other side of the half gear.

Preferably: the stepping amplitude adjusting device comprises a screw and a nut, the screw is arranged on the swing system, the nut is screwed on the screw, and when the swing system swings circumferentially, the nut can be in lap joint with the protruding end of the half gear at a certain position.

Preferably: the tool rest sliding sleeve comprises a sliding sleeve shell, a clutch device and a second connecting piece;

a clutch device and a second connecting piece are arranged in the sliding sleeve shell, the clutch device is arranged on the first sliding rod and the second sliding rod in a sliding mode, and the second connecting piece is arranged on the first sliding rod in a sliding mode.

Preferably: the clutch device comprises a first connecting piece, a first pin shaft, a locking plate and a second pin shaft;

the first connecting piece is arranged on the first sliding rod and the second sliding rod in a sliding mode, a first pin shaft is arranged on the first connecting piece, the first pin shaft is limited through a second pin shaft, and the middle of the locking plate is connected with the second pin shaft in a rotating mode.

Preferably: a kitchen knife is arranged on one side of the knife rest sliding sleeve, and the kitchen knife is arranged on the knife rest sliding sleeve through a clutch device.

A household vegetable cutting device applying a lever system comprises the lever system, a stepping system, a chopping board assembly and a clamp device;

the chopping board assembly comprises a fixed chopping board device and a stepping chopping board device, a stepping system is arranged in the fixed chopping board device, the stepping system can drive the stepping chopping board device to do linear reciprocating motion, a fixture device used for clamping an object to be cut is arranged on the stepping chopping board device, and a lever system which can be hidden and used for cutting is arranged on the fixed chopping board device.

Preferably: the stepping system comprises a stepping translation system, a stepping realization system and a clutch switch;

the stepping translation system is driven by the lever system to drive the stepping implementation system to do linear motion, a clutch switch is arranged on the stepping translation system, and the stepping translation system is connected with or separated from the stepping implementation system through the clutch switch.

Preferably: the stepping translation system comprises a first bracket system, a gear set and a lead screw;

the lead screw rotates and sets up on first support system, and the gear train sets up in one side of first support system, and the gear train accepts the kinetic energy of lever system transmission and drives the lead screw rotation.

Preferably: the first bracket system comprises a first bracket plate, a second bracket plate and a third sliding rod;

a plurality of third sliding rods are arranged between the first support plate and the second support plate, and the third sliding rods are arranged in parallel with the screw rod.

Preferably: the gear set comprises a first gear, a third gear, a ratchet wheel and a second gear;

the first gear is fixedly arranged at the end head part of the screw rod, the third gear is rotatably arranged at the outer side of the first support plate, and the second gear is arranged on the third gear through a ratchet wheel and can drive the third gear to rotate in a one-way mode.

Preferably: the stepping implementation system comprises a second bracket system and a roller group;

the second support system is connected with the first support system in a sliding mode, a clutch switch is arranged between the second support system and the first support system, and roller groups used for moving are arranged on two sides of the second support system.

Preferably: the second bracket system comprises a first bracket, a second bracket and a fourth sliding rod;

one end of the first support is connected with the stepping translation system in a sliding mode, a clutch switch is arranged between the first support and the stepping translation system, and the first support is connected with the second support through a plurality of fourth sliding rods;

the roller train includes axostylus axostyle and gyro wheel, and the outside of first support and second support all is equipped with the axostylus axostyle, and the both ends of axostylus axostyle all are equipped with the gyro wheel.

Preferably: the clutch switch comprises a semicircular nut, a third pin shaft and a hand-screwed screw;

the screw thread end of hand screw passes half round nut and first support in proper order, and the top of hand screw passes through jump ring dress card on first support, and half round nut and hand screw thread fit can slide from top to bottom along hand screw, and half round nut's top is through 1 at least third round pin axle and first support sliding connection, and half round nut's screw thread end can with lead screw thread fit or separation.

Preferably: the chopping board fixing device comprises a chopping board which is fixedly arranged on the first support system.

Preferably: the stepping chopping board device comprises a chopping board support, an elastic chopping board and a pressing board;

an elastic chopping board is arranged on the chopping board support, and the chopping board support is clamped on the fourth sliding rod through a plurality of pressing plates.

Preferably: the fixture device comprises a fixture acting device and a socket device;

the fixture acting device is arranged on the chopping board assembly through the socket device.

Preferably: the fixture acting device comprises a slide bar type blade device, an open slot, a shell, a slide rail slot, a slide rail plate and a fourth pin shaft;

the slide bar type blade device is arranged in the open slot in a sliding mode, the slide rail plate is arranged in the slide rail groove, the slide rail groove is arranged in the shell, the fourth pin shaft sequentially penetrates through the shell and the slide rail groove to be connected with the open slot, and the open slot can slide up and down and horizontally rotate in the slide rail groove through the fourth pin shaft.

Preferably: the socket device is in sliding fit with the shell through a fifth pin shaft and a seventh pin shaft, the bottom end of the seventh pin shaft penetrates through the socket device to be connected with the chopping board assembly, a sixth pin shaft is arranged on one side of the seventh pin shaft, round caps are arranged at the tops of the sixth pin shaft and the seventh pin shaft, the sixth pin shaft and the seventh pin shaft are clamped on the sliding rail plate through the round caps, and accommodating grooves matched with the sliding rod type blade devices are formed in the two sides of the socket device.

Preferably: the slide bar type blade device comprises a blade, a slide bar, a pull link ring and a positioning pull rod;

the positioning pull rod is arranged on the chopping board assembly, the blade is arranged in the open slot in a sliding mode through the sliding rod, the blade can be contained in the containing slot, and one end of the sliding rod is connected with the positioning pull rod through the pull chain ring.

The utility model discloses compare with current product and have following effect:

the lever system can realize two purposes, namely, the kitchen knife can swing up and down in a plane strictly around an axis, and the kitchen knife can be pulled left and right while swinging up and down. Secondly, when the kitchen knife swings, the kitchen knife moves to serve as a power source to drive the device to move step by step. The kitchen knife strictly swings on a plane, so that the cutting accuracy is realized, the kitchen knife driving system is stepped in a mechanical stepping mode, the cutting identity of each time is guaranteed, and the precondition that the knife is operated by one hand without damaging the other hand is realized.

The friction force between the shaft and the supporting plate and between the shaft and the reinforcing plate can be eliminated by arranging the first bearing and the second bearing, and then the positioning shaft and the jackscrew are tightly propped on the second bearing, so that the installation clearance between the swinging plate and the shaft can be eliminated, the swinging system does not jump during swinging, and the movement track of the swinging system is ensured to be in a plane during up-down swinging.

The screw and the nut in the swing system can ensure that the clockwise rotation angle of the half gear is consistent every time, so that the stepping distance of the stepping system is consistent every time under the same operation environment, and the front-back consistency of the vegetable cutting width is also ensured.

The kitchen knife can be fixed on the knife rest sliding sleeve through the clutch device in the knife rest sliding sleeve, the kitchen knife is guaranteed to slide on the sliding rod and the sliding rod within a tolerance allowed range, then the lever system is driven to do circumferential swing through the up-and-down movement of the kitchen knife, the clutch device plays a role of a reinforcing rib, and the relatively thin kitchen knife cannot deform due to resistance caused by cutting vegetables.

The utility model only uses one hand to operate the knife to do cutting movement, and the other hand holding the object to be cut is replaced by the fixture system, so that the finger can not be cut absolutely. The kitchen knife only does reciprocating motion on a vertical plane under the specification of a lever system, and the cut objects do horizontal linear stepping motion under the specification of a stepping system and a supporting and stabilizing system, so that the cutting accuracy of the device is ensured, namely, the thickness of each cut object is uniform, and the thickness of any cut object is equal. Simultaneously, the device can also adjust the stepping stride, and can adjust the thickness and the width of the vegetable cut every time according to the requirements of users.

The utility model discloses still need solve an important difficult point that mechanical device cut the dish effectively, cut the dish promptly and not only the kitchen knife pushes down the process of splitting the quilt thing, the action of "cutting" of a horizontal rip saw formula in addition, just so can adapt to the quilt thing of cutting all textures, for example meat, the sword is not split for the fresh meat, must cooperate the action of "cutting" of rip saw formula just can cut. The requirement of attractive and small household products is also met, and the products can be folded and stored well.

Drawings

FIG. 1 is a schematic view of a lever system;

FIG. 2 is a schematic structural diagram of a support system, a swing system, a stepping drive device and a tool rest sliding sleeve;

FIG. 3 is a schematic structural view of the support system;

FIG. 4 is a schematic diagram of the construction of the wobble system;

FIG. 5 is a schematic view of the stepping drive;

FIG. 6 is a schematic structural view of the slide bushing of the tool holder;

FIG. 7 is an assembly schematic of the lever system;

FIG. 8 is a schematic view of a household vegetable cutting device using a lever system

FIG. 9 is a schematic structural view of a stepper system;

FIG. 10 is a block diagram of a step translation system;

FIG. 11 is a schematic diagram of a step-by-step implementation system;

FIG. 12 is a schematic structural view of a clutch switch;

FIG. 13 is a schematic view of the construction of the chopping board;

FIG. 14 is a schematic view of the construction of the chucking device;

FIG. 15 is a schematic view of the construction of the outlet device;

FIG. 16 is a functional schematic of the chucking device;

fig. 17 is a folded schematic view of the lever system.

In the figure: 1-lever system, 2-stepping system, 3-chopping board assembly, 4-fixture device, 6-support frame, 7-kitchen knife, 8-decoration panel, 9-decoration board, 10-support system, 11-swing system, 12-stepping drive device, 13-knife rest sliding sleeve, 14-support plate, 15-shaft cylinder, 16-reinforcing plate, 17-shaft, 18-positioning sliding sleeve, 19-hand screw, 20-hole, 21-through hole, 22-hole, 23-screw hole, 24-hole, 25-hole, 26-hole, 27-screw hole, 28-hole, 29-swing plate, 30-first sliding rod, 31-second sliding rod, 32-positioning shaft, 33-first bearing, 34-second bearing, 35-cylindrical pin, 36-hole, 37-hole, 38-hole, 39-screw hole, 40-screw hole, 41-screw hole, 42-half gear, 43-cylindrical rack, 44-step amplitude adjusting device, 45-hole, 46-gear end, 47-groove type hole, 48-rack, 49-rack, 50-kidney shaped hole, 51-kidney shaped hole, 52-screw, 53-nut, 54-hole, 55-screw hole, 56-protrusion end, 57-sliding sleeve shell, 58-clutch device, 59-first connecting piece, 60-second connecting piece, 61-first pin shaft, 62-locking piece, 63-second pin shaft, 64-hole, 65-pin shaft, 66-hole, 67-corresponding groove, 68-corresponding groove, 69-hole, 70-hole, 71-hole, 72-eccentric screw, 73-eccentric screw hole, 74-slotted hole, 75-hook, 76-hook, 77-end, 78-slotted hole, 79-hole, 80-first support plate, 81-third sliding rod, 82-hole, 83-hole, 84-screw hole, 85-step translation system, 86-step implementation system, 87-clutch switch, 88-first support system, 89-gear set, 90-first gear, 91-lead screw, 92-semicircular nut, 93-support plate, 94-gear, 95-ratchet wheel, 96-second gear, 97-support plate, 98-second support system, 99-roller, 100-second support, 101-fourth slide bar, 102-shaft bar, 103-slide bar, 104-slide bar, 105-third pin, 106-hole, 107-manual screw, 108-hole, 109-screw hole, 110-fixed chopping board device, 111-step chopping board device, 112-chopping board, 113-positioning pull bar, 114-hole, 115-pressing plate, 116-slotted hole, 117-hole, 118-shaft bar, 119-chopping board holder, 120-elastic chopping board, 121-pressing plate, 122-groove, 123-salient point, 124-hole sleeve, 126-corresponding hole, 127-clamp action device, 128-socket device, 129-slide bar type blade device, 130-open groove, 131-shell, 132-slide rail groove, 133-sliding rail plate, 134-fourth pin shaft, 135-blade, 136-sliding rod, 137-pulling chain ring, 138-opening ring, 139-hole, 140-screw hole, 141-hole, 142-hole, 143-hole, 144-longitudinal positioning groove, 145-transverse positioning groove, 146-accommodating groove, 147-fifth pin shaft, 148-sixth pin shaft, 149-seventh pin shaft and 150-groove.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the lever system and the household vegetable cutting device using the lever system of the present invention include a support system 10, a swing system 11, a step driving device 12 and a knife rest sliding sleeve 13;

the supporting system 10 is used for supporting the swinging system 11 and the stepping driving device 12, the swinging system 11 can do reciprocating rotation motion around a point on the supporting system 10, the swinging system 11 can drive the stepping driving device 12 to do synchronous linear motion when swinging, and the swinging system 11 is provided with a tool rest sliding sleeve 13 capable of sliding along the swinging system 11.

The lever system 1 is used for two purposes, namely, the kitchen knife swings up and down strictly in a plane around an axis, and the kitchen knife can be pulled left and right while swinging up and down. Secondly, when the kitchen knife swings, the kitchen knife moves to serve as a power source to drive the device to move step by step. The kitchen knife strictly swings on a plane, so that the cutting accuracy is realized, the kitchen knife driving system is stepped in a mechanical stepping mode, the cutting identity of each time is guaranteed, and the precondition that the knife is operated by one hand without damaging the other hand is realized.

Further: the supporting system 10 comprises a supporting frame 6, a supporting plate 14, a shaft barrel 15, a reinforcing plate 16, a shaft 17 and a positioning sliding sleeve 18;

the supporting frame 6 is symmetrically provided with positioning sliding sleeves 18, a shaft barrel 15 is rotatably arranged between the two positioning sliding sleeves 18, one side of the shaft barrel 15 is provided with a supporting plate 14, the outer side of the supporting plate 14 is provided with a reinforcing plate 16, the inner side of the supporting plate 14 is provided with a shaft 17, one end of the shaft 17 penetrates through the supporting plate 14 and the reinforcing plate 16, and the other end of the shaft 17 is hinged with a stepping driving device 12 and a swing system 11.

Further: decorative board 9 is clamped between support plate 14 and reinforcing plate 16, a containing groove for containing support plate 14 and reinforcing plate 16 is arranged on decorative board 9, and decorative board 8 is glued on decorative board 9.

The specific structure and installation of the support system 10. A rivet is inserted into a through hole 21 of the shaft barrel 15 through a hole 20 on the support plate 14, and the support plate 14 and the shaft barrel 15 are integrated through the rivet; the screw passes through the hole 22 of the reinforcing plate 16 and is screwed on the screw hole 23 of the supporting plate 14, thereby increasing the strength of the supporting plate 14; the shaft 17 is in interference fit with a hole 24 in the support plate 14 and also with a hole 25 in the reinforcement plate 16; in this way, the support plate 14, the shaft tube 15, the reinforcing plate 16, and the shaft 17 are integrated and named as the support system 10.

The shaft tube 15 of the support system 10 is inserted into the hole 26 of the positioning sliding sleeve 18, and is in sliding fit with the positioning sliding sleeve, that is, the support system 10 can rotate by taking the shaft tube 15 as an axis. The hand screw 19 can be inserted into the hole 28 of the shaft barrel 15 through the screw hole 27 of the positioning sliding sleeve 18 to fix the working orientation of the support system 10.

Further: the oscillating system 11 comprises an oscillating plate 29, a first slide 30, a second slide 31 and a first bearing 33;

the swing plate 29 is rotatably disposed on the support system 10 through a first bearing 33, and a first slide bar 30 and a second slide bar 31 are disposed in parallel on one side of the swing plate 29.

Further: second bearings 34 are arranged on two sides of the first bearing 33, a positioning shaft 32 is arranged on the swinging plate 29, and two ends of the positioning shaft 32 are respectively abutted against outer rings of the two second bearings 34 through jackscrews.

The specific construction and assembly of the oscillating system 11. The cylindrical pin 35 passes through a hole 36 on the swinging plate 29, a hole 37 on the first sliding rod 30 and a hole 38 on the second sliding rod 31, and is in interference fit with the holes to fix the spatial positions of the three; the screw is screwed through the hole 36 of the swing plate 29 to the screw hole 39 of the first slide bar 30 and the screw hole 40 of the second slide bar 31. The swing plate 29 has a bearing 33 fitted to the swing plate with interference, and bearings 34 are provided on both left and right sides of the swing plate 29. The shaft 17 is passed through three bearings 33 and 34 so that the swinging plate 29 can rotate on the shaft 17. A positioning shaft 32 is fixed on the swinging plate 29, and a jackscrew is tightly propped against the bearing 34 through a screw hole 41 on the positioning shaft 32, so that the installation clearance between the swinging plate 29 and the shaft 17 can be eliminated, the swinging system 11 does not jump during swinging, and the movement track of the kitchen knife 7 is ensured to be in a plane during the up-and-down swinging.

Further: the step driving device 12 comprises a half gear 42, a cylindrical rack 43 and a step amplitude adjusting device 44;

the cylindrical rack 43 is arranged in the shaft barrel 15 in a sliding mode, the end portion of the cylindrical rack 43 can extend out of the shaft barrel 15 and is provided with a matching portion, the half gear 42 is arranged on the shaft 17 in a rotating mode, the gear end of the half gear 42 penetrates through the shaft barrel 15 to be meshed with the cylindrical rack 43, the stepping amplitude adjusting device 44 is arranged on the swing system 11 and can swing along with the swing system 11, the protruding end 56 matched with the stepping amplitude adjusting device 44 is arranged on one side of the half gear 42, and the kidney-shaped hole 51 used for returning is arranged on the other side of the half gear 42.

Further: the step-width adjusting device 44 includes a screw 52 and a nut 53, the screw 52 is disposed on the swing system 11, the nut 53 is screwed on the screw 52, and when the swing system 11 makes a circular swing, the nut 53 overlaps the protruding end 56 of the half gear 42 at a certain position.

The specific structure and operation principle of the step driving device 12. The half gear 42 is in sliding engagement with the shaft 17 through a hole 45 therein, i.e. the half gear 42 is rotatable about the shaft 17. The gear end 46 of the half gear 42 is seated in a slotted hole 47 of the shaft barrel 15 and is engaged with a rack 48 of the cylindrical rack 43, so that the cylindrical rack 43 makes a linear reciprocating motion when the half gear 42 makes an up-and-down circumferential oscillation. The end of the cylindrical rack 43 is also provided with a rack 49 which is used as an output end of the stepping action and is meshed with a gear in the stepping system 2. The positioning shaft 32 passes through the slotted hole 50 in the half gear 42 and also passes through the slotted hole 51 in the support plate 14 in sliding engagement therewith. The slotted hole 50 is at the same angle and the same position as the slotted hole 51, and the positioning shaft 32 overlaps the upper edge of the slotted hole 50 when the swing system 11 is in the initial position. The slotted hole 51 in the support plate 14 limits the swing angle of the swing system 11 as the swing system 11 swings up and down circumferentially about the shaft 17. That is, the maximum angle of oscillation of the oscillating system 11 is fixed for each oscillation, which is recommended in the operation of the device, so that the consistency of the cut is guaranteed. When the swing system 11 moves clockwise, the positioning shaft 32 runs through the slotted hole 50 of the half gear 42, and when the swing system 11 moves clockwise, the positioning shaft 32 is overlapped on the edge of the slotted hole 50 at a certain position to drive the half gear 42 to reset. The half gear 42 is reset to ensure that the starting point of each movement of the half gear is consistent, and the starting point of each movement of the cylindrical rack 43 is also consistent.

The step-width adjusting device 44 has a screw 52 and a nut 53. The screw 52 passes through the hole 54 of the first slide bar 30, and is screwed into the screw hole 55 of the second slide bar 31 to connect with the nut 52 and fix the relative position. When the swing system 11 swings around the shaft 17 in the up-and-down circular direction, the step amplitude adjusting device 44 is driven to swing in the circular direction. When the circular motion is clockwise, the nut 53 will at some point overlap the lower end of the raised end 56 on the half gear 42, pushing the half gear 42 to also move clockwise, and pushing the cylindrical rack 43 to move left. At this time, the positioning shaft 32 runs through the kidney-shaped hole 50 on the half gear 42; when the circular motion is counterclockwise, the nut 53 is disengaged from the lower end of the protruding end 56 of the half gear 42, the step width adjusting device 44 no longer drives the half gear 42 to rotate, and the half gear 42 has a stationary state. When the positioning shaft 32 is rotated to a certain position, the positioning shaft 32 pushes the half gear 42 to be reset. Therefore, by adjusting the distance between the nut 53 and the protruding end 56, it is possible to select at which rotation angle the nut 53 can overlap the protruding end 56 of the half gear 42, and also select the rotation angle of the half gear 42, and further select the length distance of the left movement of the cylindrical rack 43, without changing the maximum swing angle of the swing system 11. The distance that the cylindrical rack 43 moves to the left determines the step size of each step of the stepper system 2. In fact, the stepping system 2 is driven to work only when the cylindrical rack 43 moves leftwards, and when the cylindrical rack 43 moves rightwards, the stepping system 2 moves through a ratchet system on the cylindrical rack to separate the stepping system 2 from the cylindrical rack 43, namely when the cylindrical rack 43 moves rightwards, the stepping system 2 is in a static state.

Thus, when the swing system 11 rotates clockwise, the half gear 42 is driven to rotate clockwise by the step width adjusting device 44, and the step system 2 is also driven to move in steps, and the step width is determined by the distance between the nut 53 and the protruding end 56; when the oscillating system 11 rotates downwards anticlockwise, the stepping system 2 is stationary and the positioning shaft 32 pushes the half-gear 42 to return. The half-gear 42 is reset to ensure that the next time it moves clockwise, it rotates through an angle consistent with the previous time. That is to say, when the swing system 11 swings at the maximum angle, after the position distance of the nut 53 is specified, the clockwise rotation angle of the half gear 42 is consistent every time, so that the distance of stepping of the stepping system 2 is consistent every time under the same operation environment, and the front-back consistency of the vegetable cutting width is also ensured.

Further: the tool rest sliding sleeve 13 comprises a sliding sleeve shell 57, a clutch device 58 and a second connecting piece 60;

a clutch device 58 and a second connecting piece 60 are arranged in the sliding sleeve shell 57, the clutch device 58 is slidably arranged on the first sliding rod 30 and the second sliding rod 31, and the second connecting piece 60 is slidably arranged on the first sliding rod 30.

Further: the clutch device 58 comprises a first connecting piece 59, a first pin shaft 61, a locking plate 62 and a second pin shaft 63;

the first connecting piece 59 is arranged on the first sliding rod 30 and the second sliding rod 31 in a sliding mode, a first pin shaft 61 is arranged on the first connecting piece 59, the first pin shaft 61 is limited through a second pin shaft 63, and the middle of the locking plate 62 is rotatably connected with the second pin shaft 63.

Further: one side of the knife rest sliding sleeve 13 is provided with a kitchen knife 7, and the kitchen knife 7 is arranged on the knife rest sliding sleeve 13 through a clutch device 58.

The specific structure and function of the tool rest sliding sleeve 13. The tool rest sliding sleeve 13 is used for ensuring that the kitchen knife 7 is effectively fixed on the lever system 1, ensuring that the kitchen knife 7 slides on the first sliding rod 30 and the second sliding rod 31 within a tolerance allowable range, and then driving the lever system 1 to do circular swing by operating the up-and-down movement of the kitchen knife 7.

The tool holder sliding sleeve 13 comprises a sliding sleeve shell 57, a clutch device 58, a connecting piece 59, a connecting piece 60, a first pin 61 and a locking piece 62.

The clutch device 58 is structurally composed. The first pin 61 is passed through a hole 63 in the connecting member 59 and then a pin 65 is inserted through a hole 64 therein, and the locking tab 62 is mounted on the pin 65 through a hole 66 therein and slidably engaged therewith.

The clutch device 58 is put into the corresponding groove 67 of the sliding sleeve shell 57, and the two are in interference fit; the connector 59 is placed in a corresponding slot 68 in the sliding sleeve housing 57 and the two are in interference fit. The first sliding rod 30 passes through the hole 69 on the connecting piece 59 and then passes through the hole 70 on the connecting piece 60, the coaxiality of the hole 69 and the hole 70 is kept under the guarantee of the sliding sleeve shell 57, the first sliding rod 30 can slide left and right in the hole 69 and the hole 70, and the movement is strictly limited in other directions; the second sliding rod 31 passes through the hole 71 of the connecting member 59, is slidably engaged with the hole, and can slide left and right, and the movement of the second sliding rod is strictly limited in other directions. This constitutes the tool holder sliding sleeve 13, and the eccentric screw 72 restricts the tool holder sliding sleeve 13 to the first sliding rod 30 and the second sliding rod 31 through the eccentric screw hole 73 on the first sliding rod 30, so as to prevent the tool holder sliding sleeve 13 from falling off.

When the kitchen knife is used, the kitchen knife 7 is inserted into the hook 75 on the connecting piece 59 and the hook 76 on the connecting piece 60 from right to left through the slotted hole 74 on the kitchen knife 7, the locking piece 62 is rotated, the end 77 of the locking piece 62 penetrates into the slotted hole 78 of the kitchen knife 7, the kitchen knife 7 is tightly pressed in the hook 75 and the hook 76 from right to left against the edge of the slotted hole 78, so that the kitchen knife 7 and the knife rest sliding sleeve 13 are integrated and also integrated with the lever system 1, and the kitchen knife 7 can drive the whole lever system 1 to do vertical circumferential swing under the manual operation.

Assembly of the lever system 1. The decorative plate 9 is clamped between the support plate 14 and the reinforcing plate 16 of the support system 10, and screws firstly pass through the reinforcing plate 16 and then pass through holes 78 on the decorative plate 9 to be fastened with the support plate 14; the decorative plate 8 is glued to the decorative plate 9.

The kitchen knife 7 is connected to the knife rest sliding sleeve 13 through the connecting piece 59 and the hook 75 and the hook 76 on the connecting piece 60, slides on the first sliding rod 30 and the second sliding rod 31, and the eccentric screw 72 limits the knife rest sliding sleeve 13 on the first sliding rod 30 and the second sliding rod 31 through the eccentric screw hole 73 on the first sliding rod 30, so as to prevent the knife rest sliding sleeve 13 from falling off. Thus, the kitchen knife 7 swings up and down under manual operation, the swing system 11 is driven to swing up and down, the swing system 11 drives the half gear 42 to swing circumferentially through the step amplitude adjusting device 44, and the half gear 42 drives the cylindrical rack 43 to do reciprocating linear motion. The reciprocating linear motion of the cylindrical rack 43 drives the stepping system 2 to perform stepping motion.

The screw passes through the hole 79 on the support frame 6 and is screwed in the corresponding screw hole on the positioning sliding sleeve 18. The stepping system 2 is provided with a bracket plate 80 and a third sliding rod 31, and a screw passes through a hole 82 on the supporting frame 6, then passes through a hole 83 on the bracket plate 80 and is screwed in a screw hole 84 of the third sliding rod 31 to integrate the three parts. Thus, the lever system 1 and the stepping system 2 are integrated.

Principle of motion of the lever system 1. The kitchen knife 7 circularly swings under the manual action, the movement of the kitchen knife 7 enables the cylindrical rack 43 to do linear reciprocating movement with adjustable stride through the lever system 1, and the stride of each movement of the cylindrical rack 43 is consistent under the condition that the swing system 11 is ensured to be at the maximum swing angle each time. The stepping system 2 will convert the step of the left movement of the cylindrical gear 43 into the stepping length, and the stepping system 2 is disengaged from the right movement of the cylindrical gear 43. In addition, the kitchen knife 7 can slide on the first slide bar 30 and the second slide bar 31, namely the kitchen knife 7 can slide left and right when swinging up and down, so that the kitchen knife can be prevented from cutting vegetables and fresh meat can be effectively cut.

As shown in fig. 8 to 17, a household vegetable cutting device using a lever system comprises a lever system 1, a stepping system 2, a chopping board assembly 3 and a fixture device 4;

the chopping board assembly 3 comprises a fixed chopping board device 110 and a stepping chopping board device 111, a stepping system 2 is arranged in the fixed chopping board device 110, the stepping system 2 can drive the stepping chopping board device 111 to do linear reciprocating motion, a fixture device 4 used for clamping an object to be cut is arranged on the stepping chopping board device 111, and a lever system 1 which can be hidden and used for cutting is arranged on the fixed chopping board device 110.

Further: the stepping system 2 comprises a stepping translation system 85, a stepping realization system 86 and a clutch switch 87;

the step translation system 85 is driven by the lever system 1 to drive the step implementation system 86 to move linearly, a clutch switch 87 is arranged on the step translation system 85, and the step translation system 85 is connected with or separated from the step implementation system 86 through the clutch switch 87.

Further: step translation system 85 includes a first carriage system 88, a gear set 89, and a lead screw 91;

the lead screw 91 is rotatably disposed on the first bracket system 88, the gear set 89 is disposed on one side of the first bracket system 88, and the gear set 89 receives the kinetic energy transmitted by the lever system 1 and drives the lead screw 91 to rotate.

Further: the first bracket system 88 comprises a first bracket plate 80, a second bracket plate 93 and a third slide bar 81;

a plurality of third sliding rods 81 are arranged between the first support plate 80 and the second support plate 93, and the third sliding rods 81 are arranged in parallel with the screw 91.

Further: gear set 89 includes first gear 90, third gear 94, ratchet 95 and second gear 96;

the first gear 90 is fixedly arranged at the end of the lead screw 91, the third gear 94 is rotatably arranged outside the first bracket plate 80, and the second gear 96 is arranged on the third gear 94 through a ratchet 95 and can drive the third gear 94 to rotate in a single direction.

The cylindrical rack 43 in the lever system 1 transmits the linear reciprocating motion to the step translation system 86, and the step translation system 85 translates the linear reciprocating motion into the step motion to drive the step implementation system 86 to implement the step motion. Because the step of the reciprocating motion of the cylindrical rack 43 can be adjusted, the step of the device can also be adjusted, so that the thickness and the width of the vegetable can be adjusted when the vegetable is cut. The clutch switch 87 is a powered connection of the clutch step implementation system 86 and the step translation system 85 and allows quick return to the initial position of the step implementation system 86 by manual operation.

The specific structure of step translation system 85. The first bracket system 88 comprises a movable bracket plate 80, a bracket plate 93 and a third sliding rod 31 which are connected into a whole through screws. And the support frame 6 is also integrated with the first support frame system 88. The screw 91 is clamped between the bracket plate 80 and the bracket plate 93 and can rotate in the shaft hole on the bracket plate, and the front-back distance is limited, so that the screw cannot move back and forth and can only rotate around the concentric shaft holes of the bracket plate 80 and the bracket plate 93. The gear set 89 is mounted in a corresponding shaft hole on the bracket plate 80 and is limited from moving back and forth by a snap spring. The gear 90 is coupled to the lead screw 91 through a D-shaped hole.

Step translation system 85 operates on the principle. The cylindrical rack 43 is meshed with a gear 94 of the gear set 89, and the linear reciprocating motion of the cylindrical rack is transmitted to the gear 94, and the gear 94 synchronously swings along with the motion of the cylindrical rack 43; gear 94 is coupled with a ratchet 95 in gear set 89, ratchet 95 drives movement of a gear 96 in gear set 89; the ratchet 95 transmits power to the gear 96 when the cylindrical rack 43 moves leftward; when the cylindrical rack 43 moves to the right, the power is disengaged from the gear 96, so that the intermittent stepping rotation of the gear 96 in one direction is realized; the gear 96 is engaged with the gear 90, the gear 90 drives the screw 91 to rotate, then the screw 91 drives the half-round nut 92 to do linear motion, and thus the stepping motion of the gear 96 is transmitted to the half-round nut 92. The semicircular nut 92 is coupled and matched with a support plate 97 on the stepping realization system 86 to drive the stepping realization system 86 to perform stepping movement.

Further: the stepping implementation system 86 comprises a second bracket system 88 and a roller group;

the second bracket system 88 is connected with the first bracket system 88 in a sliding mode, a clutch switch 87 is arranged between the second bracket system 88 and the first bracket system 88, and roller groups used for moving are arranged on two sides of the second bracket system 88.

Further: the second bracket system 88 comprises a first bracket 97, a second bracket 100 and a fourth slide bar 101;

one end of the first bracket 97 is slidably connected with the step translation system 85, a clutch switch 87 is arranged between the first bracket 97 and the step translation system 85, and the first bracket 97 is connected with the second bracket 100 through a plurality of fourth sliding rods 101;

the roller group comprises a shaft lever 102 and a roller 99, the shaft lever 102 is arranged on the outer sides of the first bracket 97 and the second bracket 100, and the roller 99 is arranged on both ends of the shaft lever 102.

The specific configuration and kinematic fit of the step-by-step implementation system 86. The bracket 97, the bracket 100 and the fourth sliding bar 101 are fastened together by screws to form the bracket system 86. Two shafts 102 are respectively fitted in corresponding holes of the brackets 97 and 100, and four rollers 99 are respectively fitted at both ends of the shafts 102 and prevented from slipping by snap springs. Thus, the step-by-step effecting system 86 can slide on the platen via rollers 99, reducing resistance to movement.

The second bracket system 88 is slidably engaged with the first bracket system 88 in the stepping axis direction and is relatively stationary in the other axis direction. Two sliding sleeves 103 are embedded on the bracket plate 97 and are respectively in sliding fit with the third sliding rod 31 and the lead screw 91 on the first bracket system 88; the two sliding sleeves 104 are also provided on the bracket plate 80 and slidably fit with the two fourth sliding rods 101 of the second bracket system 88, so that it is ensured that the second bracket system 88 can slidably fit with the first bracket system 88 in the stepping axial direction and be relatively stationary in the other axial directions.

Further: the clutch switch 87 comprises a semicircular nut 92, a third pin shaft 105 and a hand-screwed screw 107;

the threaded end of the hand-screwed screw 107 sequentially penetrates through the semicircular nut 92 and the first support 97, the top of the hand-screwed screw 107 is clamped on the first support 97 through the clamping spring, the semicircular nut 92 is in threaded fit with the hand-screwed screw 107 and can slide up and down along the hand-screwed screw 107, the top end of the semicircular nut 92 is in sliding connection with the first support 97 through at least 1 third pin shaft 105, and the threaded end of the semicircular nut 92 can be in threaded fit with or separated from the lead screw 91.

Clutch switch 87 structure and principle

The half-round nut 92 is provided with three pin shafts 105 which can be installed from the lower part of the hole 106 on the bracket plate 97 and can allow the half-round nut 92 to slide up and down along the axial direction of the hole 106. The manual screw 107 has two snap spring grooves, and is clamped in the hole 108 of the bracket plate 97 through the snap springs, so that the manual screw and the bracket plate are in sliding fit, can rotate along the axial direction, and cannot move up and down along the axial direction. The semicircular nut 92 is provided with a screw hole 109 which is matched with the manual screw 107, the manual screw 107 is rotated clockwise, the semicircular nut 92 moves downwards and is overlapped with the lead screw 91 after reaching a certain position, and the stepping realization system 86 is driven to move in a stepping mode along with the lead screw 91; the manual screw 107 is rotated counterclockwise, the semicircular nut 92 moves upward, and is separated from the screw 91 after reaching a certain position, and at this time, the stepping realization system 86 can be reset quickly.

Further: the fixed chopping board assembly 110 includes a chopping board 112, the chopping board 112 being fixedly disposed on the first rack system 88.

The chopping board fixing device 110 is specifically constructed and arranged, and the chopping board 112 is arranged above the first bracket system 88 and fixed in two groups. Firstly, the screw passes through the hole 79 on the support frame 6, then passes through the hole 114 on the chopping board 112 and is screwed in the screw hole of the positioning sliding sleeve 18; second, self-tapping screws are connected with corresponding holes on the chopping board 112 through holes on the pressing plate 115, and the pressing plate 115 presses the third sliding rod 31 on the first bracket system 88 against the back surface of the chopping board 112. Thus, the cutting board 112 is integral with the first rack system 88.

The chopping board 112 has slotted holes 116 through which the cylindrical racks 43 can pass to engage the gear assembly 88.

The chopping board 112 is further provided with two holes 117 for installing and fixing the positioning pull rod 113, the positioning pull rod 113 is inserted into the holes 117 through two shaft rods 118 on the positioning pull rod 113, and the two are in sliding fit. The positioning tie 113 cooperates with the chucking device 4.

Further: the stepping chopping board device 111 comprises a chopping board support 119, an elastic chopping board 120 and a pressing board 121;

an elastic chopping board 120 is arranged on the chopping board support 119, and the chopping board support 119 is clamped on the fourth sliding rod 101 through a plurality of pressing plates 121.

The stepping chopping board device 111 is specifically constructed and installed. The chopping board support 119 is mounted on the second bracket system 88, the pressing plates 121 are connected with the chopping board support 119 through self-tapping screws, and the pressing plates 121 press the fourth sliding rods 101 on the second bracket system 88 on the back of the chopping board support 119, so that the chopping board support 119 and the second bracket system 88 are integrated and can move step by step along with the second bracket system 88.

The elastic chopping board 120 is in contact with the chopping knife 7 in a finger joint mode, the elasticity of the elastic chopping board is used for eliminating the phenomenon of knife connection during chopping, namely when vegetables, particularly fresh meat, are cut to the bottom, the last knife is always cut continuously, the last knife needs to be in close contact with the chopping board to be disconnected, and the problem of cutting off the last knife is solved through the elastic chopping board 120. The elastic chopping board 120 is placed in the groove 122 of the chopping board holder 119, and the groove 122 has a plurality of protrusions 123 for supporting the elastic chopping board 120 so that it can obtain upward elasticity under the pressure of the kitchen knife 7.

The flexible chopping board 120 is provided with a plurality of sleeves 124 for cooperation with the chucking device 4. The lower end of the hole sleeve 124 can be inserted into a corresponding hole 126 of the chopping board holder 119, so that the elastic chopping board 120 and the chopping board holder 119 are integrated and move step by step together with the chopping board holder 119.

The lever system 1 can be folded and folded, so that the device becomes a regular square body, is beautiful and is convenient to store.

When the device is folded, the tool rest sliding sleeve 13 is pushed to the inner side, the swing system 11 is opened to the maximum angle, then the lever system 1 is rotated downwards by 90 degrees in the positioning sliding sleeve 18 through the shaft cylinder 15, the first sliding rod 30 and the second sliding rod 31 bypass the protruding end of the chopping board support 119 of the stepping chopping board device 111, and finally the swing system 11 is reset, and the first sliding rod 30 and the second sliding rod 31 fall in the groove 150 of the chopping board support 119. So far, this device resets to a cuboid, and is pleasing to the eye and be convenient for deposit.

Further: the chucking device 4 includes a chucking action device 127 and a socket device 128;

the clip engaging means 127 is arranged on the chopping board assembly 3 via the socket means 128.

Further: the fixture action means 127 comprises a slide bar type blade means 129, an open slot 130, a housing 131, a slide rail slot 132, a slide rail plate 133 and a fourth pin shaft 134;

the slide bar type blade device 129 is arranged in the open slot 130 in a sliding manner, the slide rail plate 133 is arranged in the slide rail slot 132, the slide rail slot 132 is arranged in the shell 131, the fourth pin shaft 134 sequentially penetrates through the shell 131 and the slide rail slot 132 to be connected with the open slot 130, and the open slot 130 can slide up and down and horizontally rotate in the slide rail slot 132 through the fourth pin shaft 134.

The slide bar type blade unit 129 is a functional part of the jig 4, and is used for fixing the work piece. The structure of the utility model comprises a blade 135, a sliding rod 136 and a zipper ring 137. The blade 135 of the slide bar type blade unit 129 may be inserted into the work piece to integrate the work piece with the jig unit and then fixed to the chopping board 120. The sliding rod 136 of the sliding rod type blade device 129 is inserted into the open ring 138 of the open groove 130 and can slide back and forth along the axial direction of the open ring 138 so as to adapt to the width of various cut objects and fix and stabilize the cut objects to the maximum extent; meanwhile, the slide bar type blade device 129 can be inserted on the cut object by rotating 90 degrees along the axial direction of the split ring 138 and adjusting the most suitable angle. The pull link 137 on the slide bar blade assembly 129, in use, controls the relative position of the slide bar blade assembly 129 and the kitchen knife 7, preventing the kitchen knife 7 from cutting onto the slide bar blade assembly 129.

The screw is inserted through the hole of the slide rail plate 133, and then through the hole 139 of the slide rail groove 132, and is screwed to the screw hole 140 of the housing 131, thereby connecting the housing 131, the slide rail groove 132, and the slide rail plate 133 as a whole. The axle pin 134 passes through a hole 141 in the housing 131, through a hole 142 in the rail slot 132, and is slidably engaged with the two holes, and then is secured in a hole 143 in the open slot 130, with an interference fit therewith. Thus, the open groove 130 can slide up and down and rotate left and right on the chucking device 127.

The housing 131 is provided with a longitudinal positioning groove 144 and a transverse positioning groove 145, after the slide bar type blade device 129 rotates 90 degrees on the opening groove 130, the slide bar 136 can be clamped in the longitudinal positioning groove 144 or the transverse positioning groove 145 to fix the working state direction of the slide bar type blade device, and the arrangement is to ensure that the degree of freedom of the clamp action device 127 is higher so as to be suitable for fixing different cut objects.

Further: the socket device 128 is in sliding fit with the shell 131 through a fifth pin shaft 147 and a seventh pin shaft 149, the bottom end of the seventh pin shaft 149 penetrates through the socket device 128 to be connected with the chopping board assembly 3, a sixth pin shaft 148 is arranged on one side of the seventh pin shaft 149, round caps are arranged at the tops of the sixth pin shaft 148 and the seventh pin shaft 149, the sixth pin shaft 148 and the seventh pin shaft 149 are clamped on the sliding rail plate 133 through the round caps, and accommodating grooves 146 matched with the sliding rail type blade devices 129 are arranged on two sides of the socket device 128.

Further: the slider-type blade assembly 129 includes a blade 135, a slider bar 136, a zipper loop 137, and a positioning pull 113;

the positioning pull rod 113 is arranged on the chopping board assembly 3, the blade 135 is slidably arranged in the opening groove 130 through the sliding rod 136, the blade 135 can be accommodated in the accommodating groove 146, and one end of the sliding rod 136 is connected with the positioning pull rod 113 through the pull chain ring 137.

The socket unit 128 is configured such that the socket unit 128 has a receiving groove 146 formed at each side thereof to receive the slide bar 136 and the blade 135 of the slide bar type blade unit 129 when the chucking unit 4 is not in use. There are three pairs of pins 147, 148, 149 on the socket device 128, and four pins 147 and 149 have a certain friction with the side of the housing 131 when the fixture action device 127 and the socket device 128 are combined together, so as to prevent the two from slipping off. The four round caps are arranged on the pin shafts 148 and 149, when the fixture device 4 is used, the outer sides of the four round caps slide on the inner sides of the slide rail grooves 132, and the inner sides of the four round caps are clamped on the slide rail plates 133, so that the fixture acting device 127 can slide left and right on the socket device 128, and other round caps are axially fixed, the spatial freedom degree of the fixture device 4 is increased when the fixture device 4 is used, and the fixture device is suitable for cut objects with different properties and shapes.

The lower end of the pin shaft 149 of the socket device 128 can be selectively inserted into the hole 124 of the elastic chopping board 120, so that the fixture device 4 is integrated with the step chopping board device 111 and further integrated with the step realizing system 86, and the cut object is fixed for step movement.

The principle of action of the chucking device 4, the chucking device 4 has a plurality of methods of use, such as two of the most prominent methods of use, and the others are variations and combinations of these two methods of use.

When the kitchen knife 7 is lifted and falls down, the fixed chopping board device 110 is static relative to the kitchen knife 7, the stepping chopping board device 111 makes stepping movement relative to the kitchen knife 7, and the cut object is fixed on the elastic chopping board 120 on the stepping chopping board device 111 by the clamping device 4. Generally, the object to be cut can be fixed by two sets of fixture devices 4. The set of fixture device 4 is inserted into the hole 124 of the elastic chopping board 120 through the pin shaft 149 thereon, and the blade 135 in the slide bar type blade device 129 is downwards cut on the object to be cut until the slide bar 136 is contacted with the surface of the object to be cut; the other set of chucking devices 4 has its chucking action device 127 rotated 90 deg. on the socket device 128 while the slide bar blade device 129 is rotated parallel to the socket device 128 and is clamped in the transverse positioning slot 145 of the housing 131. The jig acting means 127 is pushed to slide on the pins 148 and 149 of the socket means 128 through the rail grooves 132 and the rail plates 133 according to the width of the work piece, and at this time, the blade 135 of the slide bar type blade means 129 is adjusted to be horizontal in direction, and the blade 135 is inserted into the middle of the work piece by the sliding of the jig acting means 127 until the slide bar 136 contacts the surface of the work piece. Meanwhile, the front ends of the two sets of fixture devices 4 are propped against the tail end of the cut object, so that the cut object can be fixed. The cut object will step along with the step chopping board device 111.

The pull rod ring 137 of the slide rod type blade device 129 is sleeved on the positioning pull rod 113 of the fixed chopping board device 110, so that the maximum relative position of the slide rod type blade device 129 and the chopping knife 7 is fixed, namely, the chopping knife 7 can not cut on the slide rod type blade device 129 forever, the cut object synchronously steps along with the stepping movement of the stepping chopping board device 111, the cut object horizontally slides on the blade 135 in the slide rod type blade device 129, and the slide rod type blade device 129 is kept relatively static to the chopping knife 7.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims (24)

1. A lever system, characterized by: comprises a supporting system (10), a swinging system (11), a stepping driving device (12) and a tool rest sliding sleeve (13);

the support system (10) is used for supporting the swing system (11) and the stepping driving device (12), the swing system (11) can do reciprocating rotation motion around one point on the support system (10), the stepping driving device (12) can be driven to do synchronous linear motion when the swing system (11) swings, and the swing system (11) is provided with a tool rest sliding sleeve (13) capable of sliding along the swing system (11).

2. The lever system of claim 1, wherein: the supporting system (10) comprises a supporting frame (6), a supporting plate (14), a shaft barrel (15), a reinforcing plate (16), a shaft (17) and a positioning sliding sleeve (18);

the automatic stepping mechanism is characterized in that positioning sliding sleeves (18) are symmetrically arranged on the support frame (6), a shaft barrel (15) is rotatably arranged between the two positioning sliding sleeves (18), a support plate (14) is arranged on one side of the shaft barrel (15), a reinforcing plate (16) is arranged on the outer side of the support plate (14), a shaft (17) is arranged on the inner side of the support plate (14), one end of the shaft (17) penetrates through the support plate (14) and the reinforcing plate (16), and a stepping driving device (12) and a swing system (11) are hinged to the other end of the shaft (17).

3. A lever system according to claim 1 or 2, characterized in that: the oscillating system (11) comprises an oscillating plate (29), a first slide bar (30), a second slide bar (31) and a first bearing (33);

the swing plate (29) is rotatably arranged on the support system (10) through a first bearing (33), and a first sliding rod (30) and a second sliding rod (31) are arranged on one side of the swing plate (29) in parallel.

4. A leverage system according to claim 3 wherein: second bearings (34) are arranged on two sides of the first bearing (33), a positioning shaft (32) is arranged on the swinging plate (29), and two ends of the positioning shaft (32) are respectively abutted against outer rings of the two second bearings (34) through jackscrews.

5. A leverage system according to claim 2 wherein: the stepping driving device (12) comprises a half gear (42), a cylindrical rack (43) and a stepping amplitude adjusting device (44);

cylindrical rack (43) slide to set up in beam barrel (15), and the end portion of cylindrical rack (43) can stretch out beam barrel (15) and be equipped with the cooperation portion, half gear (42) rotate and set up on axle (17), the gear end of half gear (42) passes beam barrel (15) and meshes with cylindrical rack (43), step amplitude adjusting device (44) set up on swing system (11), and can swing along with swing system (11), one side of half gear (42) is equipped with and steps amplitude adjusting device (44) matched with protruding end (56), the opposite side of half gear (42) is equipped with waist type hole (51) that are used for the return.

6. The lever system of claim 5, wherein: the step amplitude adjusting device (44) comprises a screw (52) and a nut (53), the screw (52) is arranged on the swing system (11), the nut (53) is screwed on the screw (52), and when the swing system (11) swings circumferentially, the nut (53) can be overlapped with the protruding end (56) of the half gear (42) at a certain position.

7. The lever system of claim 1, wherein: the tool rest sliding sleeve (13) comprises a sliding sleeve shell (57), a clutch device (58) and a second connecting piece (60);

a clutch device (58) and a second connecting piece (60) are arranged in the sliding sleeve shell (57), the clutch device (58) is arranged on the first sliding rod (30) and the second sliding rod (31) in a sliding mode, and the second connecting piece (60) is arranged on the first sliding rod (30) in a sliding mode.

8. The lever system of claim 7, wherein: the clutch device (58) comprises a first connecting piece (59), a first pin shaft (61), a locking plate (62) and a second pin shaft (63);

the first connecting piece (59) is arranged on the first sliding rod (30) and the second sliding rod (31) in a sliding mode, a first pin shaft (61) is arranged on the first connecting piece (59), the first pin shaft (61) is limited through a second pin shaft (63), and the middle of the locking plate (62) is rotatably connected with the second pin shaft (63).

9. A leverage system according to claim 2 wherein: decorative board (9) are clamped between the supporting plate (14) and the reinforcing plate (16), the decorative board (9) is provided with a containing groove for containing the supporting plate (14) and the reinforcing plate (16), and the decorative board (8) is glued on the decorative board (9).

10. The lever system of claim 8, wherein: one side of the knife rest sliding sleeve (13) is provided with a kitchen knife (7), and the kitchen knife (7) is arranged on the knife rest sliding sleeve (13) through a clutch device (58).

11. The utility model provides an use domestic device of cutting dish of lever system which characterized in that: comprises a lever system (1), a stepping system (2), a chopping board assembly (3) and a fixture device (4);

chopping board subassembly (3) are equipped with step-by-step system (2) including fixed chopping board device (110) and step-by-step chopping board device (111) in fixed chopping board device (110), and step-by-step system (2) can drive step-by-step chopping board device (111) and do straight reciprocating motion, are equipped with fixture device (4) that are used for the dress card to wait to cut the thing on step-by-step chopping board device (111), are equipped with lever system (1) that are used for the cutting action that can hide on fixed chopping board device (110).

12. A household vegetable cutting device with lever system according to claim 11, characterized in that: the stepping system (2) comprises a stepping translation system (85), a stepping realization system (86) and a clutch switch (87);

the stepping translation system (85) is driven by the lever system (1) to drive the stepping implementation system (86) to do linear motion, a clutch switch (87) is arranged on the stepping translation system (85), and the stepping translation system (85) is connected with or separated from the stepping implementation system (86) through the clutch switch (87).

13. A household vegetable cutting device with lever system according to claim 12, characterized in that: the step translation system (85) comprises a first bracket system (88), a gear set (89) and a lead screw (91);

the lead screw (91) is rotatably arranged on the first support system (88), the gear set (89) is arranged on one side of the first support system (88), and the gear set (89) receives kinetic energy transmitted by the lever system (1) and drives the lead screw (91) to rotate.

14. A household vegetable cutting device with lever system according to claim 13, characterized in that: the first bracket system (88) comprises a first bracket plate (80), a second bracket plate (93) and a third slide bar (81);

a plurality of third sliding rods (81) are arranged between the first support plate (80) and the second support plate (93), and the third sliding rods (81) are arranged in parallel with the screw rod (91).

15. A household vegetable cutting device with lever system according to claim 13 or 14, characterized in that: the gear set (89) comprises a first gear (90), a third gear (94), a ratchet wheel (95) and a second gear (96);

the first gear (90) is fixedly arranged at the end part of the screw rod (91), the third gear (94) is rotatably arranged at the outer side of the first support plate (80), and the second gear (96) is arranged on the third gear (94) through a ratchet wheel (95) and can drive the third gear (94) to rotate in a single direction.

16. A household vegetable cutting device with lever system according to claim 13 or 14, characterized in that: the stepping realization system (86) comprises a second bracket system (98) and a roller group;

the second support system (98) is connected with the first support system (88) in a sliding mode, a clutch switch (87) is arranged between the second support system (98) and the first support system (88), and roller groups used for moving are arranged on two sides of the second support system (98).

17. A household vegetable cutting device with lever system according to claim 16, characterized in that: the second bracket system (98) comprises a first bracket (97), a second bracket (100) and a fourth slide bar (101);

one end of the first support (97) is connected with the stepping translation system (85) in a sliding mode, a clutch switch (87) is arranged between the first support (97) and the stepping translation system (85), and the first support (97) is connected with the second support (100) through a plurality of fourth sliding rods (101);

the roller group comprises a shaft lever (102) and rollers (99), the shaft lever (102) is arranged on the outer sides of the first support (97) and the second support (100), and the rollers (99) are arranged at two ends of the shaft lever (102).

18. The household vegetable cutting device with lever system as claimed in claim 17, wherein: the clutch switch (87) comprises a semicircular nut (92), a third pin shaft (105) and a hand-screwed screw (107);

the screw thread end of hand screw (107) passes half round nut (92) and first support (97) in proper order, and the top of hand screw (107) is passed through the jump ring dress card on first support (97), half round nut (92) and hand screw (107) screw-thread fit, can follow hand screw (107) and slide from top to bottom, the top of half round nut (92) is through 1 at least third round pin axle (105) and first support (97) sliding connection, the screw thread end of half round nut (92) can with lead screw (91) screw-thread fit or separation.

19. A household vegetable cutting device with lever system according to claim 11, characterized in that: the chopping board fixing device (110) comprises a chopping board (112), and the chopping board (112) is fixedly arranged on the first bracket system (88).

20. A household vegetable cutting device with lever system according to claim 11, characterized in that: the stepping chopping board device (111) comprises a chopping board support (119), an elastic chopping board (120) and a pressing board (121);

an elastic chopping board (120) is arranged on the chopping board support (119), and the chopping board support (119) is clamped on the fourth sliding rod (101) through a plurality of pressing plates (121).

21. A household vegetable cutting device with lever system according to claim 11, characterized in that: the fixture device (4) comprises a fixture acting device (127) and a socket device (128);

the fixture acting device (127) is arranged on the chopping board assembly (3) through the socket device (128).

22. A household vegetable cutting device with lever system according to claim 21, characterized in that: the fixture acting device (127) comprises a sliding rod type blade device (129), an open slot (130), a shell (131), a sliding rail slot (132), a sliding rail plate (133) and a fourth pin shaft (134);

the slide bar type blade device (129) is arranged in the open slot (130) in a sliding mode, the slide rail plate (133) is arranged in the slide rail groove (132), the slide rail groove (132) is arranged in the shell (131), the fourth pin shaft (134) penetrates through the shell (131) and the slide rail groove (132) in sequence to be connected with the open slot (130), and the open slot (130) can slide up and down and rotate horizontally in the slide rail groove (132) through the fourth pin shaft (134).

23. The household vegetable cutting device with lever system as claimed in claim 22, wherein: the chopping board is characterized in that the socket device (128) is in sliding fit with the shell (131) through a fifth pin shaft (147) and a seventh pin shaft (149), the bottom end of the seventh pin shaft (149) penetrates through the socket device (128) to be connected with the chopping board assembly (3), a sixth pin shaft (148) is arranged on one side of the seventh pin shaft (149), round caps are arranged at the tops of the sixth pin shaft (148) and the seventh pin shaft (149), the sixth pin shaft (148) and the seventh pin shaft (149) are clamped on the sliding rail plate (133) through the round caps, and accommodating grooves (146) matched with the sliding rod type blade devices (129) are formed in the two sides of the socket device (128).

24. A household vegetable cutting device with lever system according to claim 23, characterized in that: the sliding rod type blade device (129) comprises a blade (135), a sliding rod (136), a zipper ring (137) and a positioning pull rod (113);

the positioning pull rod (113) is arranged on the chopping board assembly (3), the blade (135) is arranged in the open slot (130) in a sliding mode through the sliding rod (136), the blade (135) can be stored in the storage slot (146), and one end of the sliding rod (136) is connected with the positioning pull rod (113) through the pull chain ring (137).

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