Household chopping machine

Abstract

The utility model discloses a household chopping machine which comprises a main machine and a chopping assembly, the chopping assembly is fixedly located on a seat stand of the main machine, and a rotating shaft on the main machine drives the chopping assembly to operate. The main machine comprises an L-shaped shell or a pedestal, a switch component arranged at the top of the shell, a motor arranged in the shell, a rotating shaft arranged on the pedestal in a penetrating mode and a transmission mechanism arranged between the motor and the rotating shaft. The motor drives the rotating shaft to rotate and output through the transmission mechanism, and the rotating shaft drives the chopping assembly to operate. The switch component comprises a safety device, and after the safety device is triggered, the switch component is pressed to start the driving circuit so that the motor can be powered on to operate. According to the household chopping machine, the motor is transversely arranged relative to the chopping assembly, large power can be provided for cutting and stirring, meanwhile, the household chopping machine is provided with a safety device, the chopping machine is started when the pot body is installed in place, and use safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring and chopping machines, in particular to a household chopping machine. Background Art

[0002] A food processor is a multifunctional blender that can stir, mince meat, grind soy milk, and meet various household needs. A blender generally includes a container cup, a motor, and a cutter. When in use, put food into the container cup, and the motor drives the cutter to stir or cut the food.

[0003] Due to material costs and miniaturization requirements, the motors of the cutting and blending food processors currently on the market are all vertically arranged in the same axial direction as the rotating shaft of the cutter, such as the cutter being placed upside down in a container cup. Due to structural limitations, this type of blender can only blend food or cut meat without bones. When cutting large chunks of meat or meat containing bones, the motor power is low and cannot be used for cutting. If a high-power motor is installed, the blender will vibrate noticeably when chopping, and the power transmission is unstable, posing a safety hazard, and is not suitable for chopping meat.

[0004] At the same time, this type of cooking machine includes sharp blades, so safety devices are particularly important and must be designed with complete safety devices. Utility Model Content

[0005] The utility model aims to provide a household shredder. The motor is arranged horizontally. The motor drives the cutter to rotate and cut to provide strong power. The utility model also includes a safety structure to lock the pot body and the pot cover. When the pot body is not placed in place on the base, the household shredder cannot be started.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a household shredder, comprising a main unit and a shredding assembly, wherein the shredding assembly is fixedly seated on a base of the main unit, and a rotating shaft on the main unit drives the shredding assembly to operate, wherein the main unit comprises an L-shaped shell or a base, a switch component arranged on the top of the shell, a motor arranged inside the shell, a rotating shaft penetratingly arranged on the base, and a transmission mechanism arranged between the motor and the rotating shaft; the motor drives the rotating shaft to rotate and output through the transmission mechanism, and the rotating shaft drives the shredding assembly to operate; the switch component comprises a safety device, and after the safety device is triggered, the switch component is pressed to start the drive circuit so that the motor is powered on and operates.

[0007] The utility model is further configured as follows: the safety device comprises a support block, a locking block and a safety block, the support block is fixed on the shell, the safety block is slidably arranged on the support block, the safety block is abutted against the shell through a spring, when the safety block slides under force, the spring is compressed, and the button can be pressed down; when the safety block is not under force, the spring is reset, and the button cannot be pressed down.

[0008] The utility model is further configured as follows: the locking block is fixedly arranged on the shell body, and when the pot cover is rotated and aligned, the locking block cooperates with the locking protrusion on the pot body to lock the pot cover.

[0009] The utility model is further configured as follows: the transmission mechanism includes a driving gear, a driven gear and a rotating gear, the driving gear is arranged on the motor shaft, the driven gear is meshed with the driving gear, the rotating gear is meshed with the driven gear, and the rotating shaft is installed and fixed on the rotating gear.

[0010] The utility model is further configured as follows: the transmission mechanism includes a driving wheel, a rotating wheel and a belt, the driving wheel is arranged on the motor shaft, the rotating shaft is installed and fixed on the rotating wheel through, and the rotating wheel is connected to the driving wheel through a belt transmission.

[0011] The utility model is further configured as follows: the chopping assembly comprises a pot body, a pot cover covering the pot body, a knife rack and a knife arranged in the pot body, and a locking structure is provided on the base to lock the pot body on the base.

[0012] The utility model is further configured as follows: the locking structure includes a protrusion with an opening on one side arranged on the upper surface of the base, a plurality of notches are regularly arranged on the lateral side of the periphery, a first clamping block is extended and formed on the notch, a second clamping block is arranged on the inner side wall of the back of the bottom surface of the pot body corresponding to the notch, and when the pot body is placed in the correct position, the second clamping block is inserted into the notch and is locked with the first clamping block.

[0013] The utility model is further configured as follows: a vertical tube is integrally arranged on the bottom surface of the pot body; when the pot body is seated on the base, the rotating shaft extends into the vertical tube; and the tool holder is seated on the vertical tube and plugged into the rotating shaft.

[0014] The utility model is further configured as follows: the tool holder comprises a mounting portion, an outer tube portion and an inner tube portion, a receiving cavity is provided between the outer tube portion and the inner tube portion, a clamping groove is provided at the bottom of the inner tube portion, a convex portion is symmetrically provided at the upper portion of the rotating shaft, and the clamping groove and the convex portion are plugged into and matched with each other.

[0015] The utility model is further configured as follows: the drive circuit includes an H-bridge circuit, and the drive circuit drives the motor to rotate forward or reverse.

[0016] Compared with the prior art, the household chopper motor of the utility model is horizontally placed relative to the chopping assembly, which can provide greater power for cutting and stirring. At the same time, the household chopper is provided with a safety device, which starts when the pot body is installed in place, ensuring safe use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 1 is an overall structural diagram of a household shredder in an embodiment.

[0018] Figure 2 1 is a structural diagram of an L-shaped housing in a household shredder in an embodiment.

[0019] Figure 3 2 is a cross-sectional view of a household shredder in an embodiment.

[0020] Figure 4 It is a structural diagram of the transmission mechanism of a household shredder in the embodiment.

[0021] Figure 5 It is a structural diagram of the transmission mechanism of a household shredder in another embodiment.

[0022] Figure 6 It is a bottom view of the pot body in the embodiment.

[0023] Figure 7 3. It is a top view of the pot body in the embodiment.

[0024] Figure 8 1 is a structural diagram of a switch component of a household shredder in an embodiment.

[0025] Fig. 9 It is a driving circuit diagram of a household shredder in another embodiment.

[0026] In the figure: 1, L-shaped housing; 2, switch component; 3, motor; 4, rotating shaft; 5, transmission mechanism; 6, pot body; 7, pot cover; 8, tool holder; 9, tool; 101, base; 102, protrusion; 103, notch; 104, first block; 201, button; 202, micro switch; 203, support block; 204, lock block; 205, safety block; 401, convex part; 501, driving gear; 502, driven gear; 503, Rotating gear; 504, large gear; 505, small gear; 506, driving wheel; 507, rotating wheel; 508, belt; 601, bottom surface; 602, reinforcing rib; 603, second clamping block; 604, vertical tube; 605, limiting ring; 606, clamping convexity; 607, positioning hole; 701, clamping groove; 702, fixing column; 801, tool mounting part; 802, outer tube part; 803, inner tube part; 804, accommodating cavity; 805, clamping groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0028] like Figure 1-3As shown, this embodiment discloses a household shredder, Figure 1 Schematic diagram of the structure of a household shredder in the embodiment; the household shredder comprises a main machine and a shredder assembly, wherein the shredder assembly is fixedly seated on the base of the main machine, and a rotating shaft 4 on the main machine drives the shredder assembly to operate.

[0029] The main machine includes an L-shaped shell 1 or a base, a switch component 2 arranged on the top of the shell, a motor 3 arranged inside the shell, a rotating shaft 4 arranged through the base 101, and a transmission mechanism 5 arranged between the motor 3 and the rotating shaft 4. The motor 3 drives the rotating shaft 4 to rotate and output through the transmission mechanism 5, and the rotating shaft 4 drives the knife 9 in the chopping assembly to rotate to squeeze and cut the food.

[0030] like Figure 1 , 2 As shown in Figure 6, the chopping assembly includes a pot body 6, a pot cover 7 covering the pot body 6, a knife holder 8 and a knife 9 arranged in the pot body 6. The pot body 6 can be detachably inserted into a base 101 installed on the shell. The pot body 6 can be a working container made of transparent plastic or a working container made of metal; there is a locking structure on the base 101 to lock the pot body 6 on the base 101. The pot body 6 is placed on the base 101 and rotated and fixed with the locking structure. In this embodiment, the locking structure is specifically a protruding piece 102 with an opening on one side arranged on the upper surface of the base 101, and the peripheral side of the protruding piece 102 is A plurality of notches 103 are regularly arranged upwards, a first clamping block 104 is extended and formed on the notch 103, a regular reinforcing rib 602 is arranged on the back of the bottom surface 601 of the pot body 6, a second clamping block 603 is arranged on the inner wall of the back of the bottom surface 601 of the pot body 6 corresponding to the notch 103, the pot body 6 is placed on the base 101 and rotated, the second clamping block 603 is inserted into the notch 103 and locked with the first clamping block 104, and the reinforcing rib 602 is tightly against the protruding piece 102; the pot body 6 is installed on the base 101, the tool holder 8 is plugged and fixed with the rotating shaft 4, and the tool holder 8 is driven to rotate when the rotating shaft 4 rotates.

[0031] like Figure 4 As shown, in one embodiment, the transmission mechanism 5 includes a driving gear 501, a driven gear 502 and a rotating gear 503. The driving gear 501 is set on the shaft of the motor 3 and rotates with the motor 3. The driven gear 502 is meshed with the driving gear 501, and the rotating gear 503 is meshed with the driven gear 502. A mounting hole is opened at the axis of the rotating gear 503, and the rotating shaft 4 passes through the mounting hole and is fixed on the rotating gear 503. The rotating gear 503 and the rotating shaft 4 rotate along the same central axis. The motor 3 drives the driving gear 501 to rotate, and the rotating gear 503 rotates with the driven gear 502, thereby driving the rotating shaft 4 to rotate.

[0032] like Figure 4As shown, specifically, the driven gear 502 is a gear set including a large gear 504 and a small gear 505. The large gear 504 and the small gear 505 rotate in the same direction along the axis. The large gear 504 and the driving gear 501 are meshed for transmission, and the small gear 505 and the rotating gear 503 are meshed for transmission.

[0033] like Figure 5 As shown, in another embodiment, the transmission mechanism 5 includes a driving wheel 506, a rotating wheel 507 and a belt 508. The driving wheel 506 is set on the shaft of the motor 3 and rotates with the motor 3. A mounting hole is opened at the axis of the rotating wheel 507. The rotating shaft 4 passes through the mounting hole and is fixed on the rotating wheel 507. The rotating wheel 507 is connected to the driving wheel 506 through the belt 508. The motor 3 drives the driving wheel 506 to rotate, and the driving wheel 506 drives the rotating wheel 507 through the belt 508, thereby driving the rotating shaft 4 to rotate.

[0034] like Figure 2 , 3 , 6, and 7, the pot body 6 has a bottom surface 601, and a vertical tube 604 is integrally provided with the bottom surface 601 at the center thereof. When the pot body 6 is seated on the base 101, the rotating shaft 4 extends into the vertical tube 604; the tool holder 8 includes a mounting portion, an outer tube portion 802, and an inner tube portion 803, and the mounting portion, the outer tube portion 802, and the inner tube portion 803 are integrally formed to form the tool holder 8, and a tool 9 is mounted on the mounting portion, and there is a space between the outer tube portion 802 and the inner tube portion 803 to accommodate Cavity 804, the accommodating cavity 804 can accommodate the vertical tube 604 extending therein, a groove 805 is provided at the bottom of the inner tube portion 803, and convex portions 401 are symmetrically provided on the upper portion of the rotating shaft 4. When the tool holder 8 is inserted into the vertical tube 604, the rotating shaft 4 is inserted into the inner tube portion 803 of the tool holder 8, and the convex portion 401 on the rotating shaft 4 is inserted into the groove 805 of the inner tube portion 803 and fixed, and the tool holder 8 is inserted and fixed on the vertical tube 604 of the pot body 6; a positioning hole 607 is provided at the top of the inner tube portion 803.

[0035] like Figure 3 , 6 As shown, the pot cover 7 is rotated and closed and fixed on the pot body 6, a limiting ring 605 is circumferentially provided on the upper part of the pot body 6, the limiting ring 605 limits the pot cover 7, and a locking protrusion 606 is symmetrically extended outward from the limiting ring 605; a snap-in groove 701 is provided on the side of the pot cover 7 corresponding to the locking protrusion 606 of the pot body 6; the pot cover 7 is snapped on the pot body 6 and the rotating protrusion is buckled into the snap-in groove 701 for fixation; a fixing column 702 is provided in the center of the back side of the pot cover 7, and when the pot cover 7 is closed, the fixing column 702 is inserted into the positioning hole 607 at the top of the inner tube 803 of the tool holder 8.

[0036] like Figure 3 , 7As shown in , 8, the switch component 2 includes a button 201, a micro switch 202, a support block 203, a locking block 204 and a safety block 205. The support block 203 is fixed to the housing by screws, and the micro switch 202 is installed on the support block 203. The button 201 is arranged in the housing so that when the button 201 is pressed down, the top rod of the button 201 triggers the micro switch 202 to close the switch. The safety block 205 is slidably arranged on the support block 203, and the two ends of the spring (not drawn in the accompanying drawings) are respectively abutted between the safety block 205 and the housing; when the safety block 205 is forced to slide, the spring is compressed, and the top rod of the button 201 can be pressed down to trigger the micro switch 202; when the safety block 205 is not forced, the spring is reset, and the safety block 205 blocks the top rod of the button 201, and the top rod cannot be pressed down; the locking block 204 is fixedly arranged on the housing, and when the pot cover 7 is rotated and straightened, the locking block 204 cooperates with the convex 606 on the pot body 6 to lock the pot cover 7.

[0037] like Fig. 9 As shown, in another embodiment, the driving circuit can drive the motor to rotate forward or reverse, and the driving circuit includes transistors Q13, Q14, Q15, Q16, diodes D9, D10, D12, D13, and the transistors Q13, Q14, Q15, Q16 and the diodes D9, D10, D12, D13 are electrically connected to form an H-bridge circuit, wherein the transistors Q13 and Q14 are NPN transistors, and the transistors Q15 and Q16 are PNP transistors. The H-bridge circuit is electrically connected to the power input end of the motor, and the positive and negative poles of the motor are electrically connected to the H-bridge circuit respectively; the driving circuit also includes a transistor Q1 and resistors R28 and R32, the collector of the transistor Q1 is connected to one end of the resistor R28, and the other end of the resistor R28 is connected to the signal power input end, the emitter of the transistor Q1 is connected to the circuit ground point, and the base of the transistor Q1 is connected to one end of the resistor R32 , the other end of the resistor R32 is connected to the signal input end, and the collector of the transistor Q1 is connected to the bases of the transistors Q13 and Q15 respectively at the same time; the driving circuit also includes a transistor Q2 and resistors R29 and R33, the collector of the transistor Q2 is connected to one end of the resistor R29, the other end of the resistor R29 is connected to the signal power input end, the emitter of the transistor Q2 is connected to the circuit grounding point, the base of the transistor Q2 is connected to one end of the resistor R33, the other end of the resistor R33 is connected to the signal input end, and the collector of the transistor Q2 is connected to the bases of the transistors Q14 and Q16 respectively at the same time; when the motor rotates forward, a low potential signal is input to the resistor R32, the transistor Q1 is turned on, and the transistors Q13 and Q16 are turned on at the same time, the current direction is: VCC-Q13-motor-Q16-GND, the motor rotates forward; when the motor is reversed, a low potential signal is input to the resistor R33 in the same way.

[0038] When the household shredder is in use, the pot cover 7 is first placed on the pot body 6 and rotated to fix the box cover, and then the pot body 6 is placed on the base 101 and rotated to fix it. At the same time, the pot body 6 triggers the safety device and the pot cover 7 is locked and fixed by the safety device, and the household shredder is started.

[0039] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A household shredder, comprising a main machine and a shredder assembly, wherein the shredder assembly is fixedly seated on a base of the main machine, and a rotating shaft (4) on the main machine drives the shredder assembly to operate, characterized in that: The main machine comprises an L-shaped housing (1) or a pedestal, a switch component (2) arranged on the top of the housing, a motor (3) arranged inside the housing, a rotating shaft (4) arranged through the base (101), and a transmission mechanism (5) arranged between the motor (3) and the rotating shaft (4); the motor (3) drives the rotating shaft (4) to rotate and output through the transmission mechanism (5), and the rotating shaft (4) drives the shredding component to operate; the switch component (2) comprises a safety device, and when the safety device is triggered, the switch component (2) is pressed to start the drive circuit so that the motor (3) is powered and operates.

2. A household shredder according to claim 1, characterized in that: The safety device comprises a support block (203), a locking block (204) and a safety block (205); the support block (203) is fixed on the housing; the safety block (205) is slidably arranged on the support block (203); the safety block (205) abuts against the housing via a spring; when the safety block (205) is subjected to force and slides, the spring is compressed and the button (201) can be pressed downward; when the safety block (205) is not subjected to force, the spring is reset and the button (201) cannot be pressed downward.

3. A household shredder according to claim 2, characterized in that: The locking block (204) is fixedly arranged on the shell body, and when the pot cover (7) is rotated and aligned, the locking block (204) cooperates with the locking protrusion (606) on the pot body (6) to lock the pot cover (7).

4. A household shredder according to claim 1, characterized in that: The transmission mechanism (5) comprises a driving gear (501), a driven gear (502) and a rotating gear (503); the driving gear (501) is arranged on the shaft of the motor (3); the driven gear (502) is meshed with the driving gear (501); the rotating gear (503) is meshed with the driven gear (502); and the rotating shaft (4) is installed and fixed on the rotating gear (503) through the driving gear (501).

5. A household shredder according to claim 1, characterized in that: The transmission mechanism (5) comprises a driving wheel (506), a rotating wheel (507) and a belt (508); the driving wheel (506) is arranged on the shaft of the motor (3); the rotating shaft (4) is installed and fixed on the rotating wheel (507); the rotating wheel (507) and the driving wheel (506) are connected by a belt (508).

6. A household shredder according to claim 1, characterized in that: The chopping assembly comprises a pot body (6), a pot cover (7) covering the pot body (6), a knife (9) holder (8) arranged in the pot body (6), and a knife (9), and the base (101) has a locking structure for locking the pot body (6) on the base (101).

7. A household shredder according to claim 6, characterized in that: The locking structure comprises a protruding piece (102) with an opening on one side arranged on the upper surface of a base (101); a plurality of notches (103) are regularly arranged on the lateral side of the periphery of the protruding piece (102); a first clamping block (104) is extended and formed on the notch (103); a second clamping block (603) is arranged on the inner side wall of the back of the bottom surface (601) of the pot body (6) corresponding to the notch (103); when the pot body (6) is placed in the correct position, the second clamping block (603) is clamped into the notch (103) and is locked with the first clamping block (104).

8. A household shredder according to claim 7, characterized in that: The bottom surface (601) of the pot body (6) is integrally provided with a vertical tube (604); when the pot body (6) is seated on the base (101), the rotating shaft (4) extends into the vertical tube (604); and the tool holder (8) is seated on the vertical tube (604) and plugged into the rotating shaft (4).

9. A household shredder according to claim 8, characterized in that: The tool (9) holder (8) comprises a mounting portion, an outer tube portion (802) and an inner tube portion (803); a receiving cavity (804) is provided between the outer tube portion (802) and the inner tube portion (803); a clamping groove (805) is provided at the bottom of the inner tube portion (803); and convex portions (401) are symmetrically provided on the upper portion of the rotating shaft (4); the clamping groove (805) is plug-fitted with the convex portion (401).

10. A household shredder according to claim 1, characterized in that: The driving circuit comprises an H-bridge circuit, and the driving circuit drives the motor (3) to rotate forward or reverse via the H-bridge circuit.

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