An improved meat grinder

Abstract

The present invention relates to the field of food processing machines, and discloses an improved meat grinder, comprising a cup body, a main unit provided with a power output end, a meat grinder knife assembly transmission-connected to the power output end of the main unit, and a cover body that covers the cup body and encloses the cup body to form a material receiving chamber. The meat grinder knife assembly includes a first knife assembly and a second knife assembly that at least partially radially overlap during operation. A meat grinder chamber is provided near the bottom of the cover body, with a feeding port and a discharging port provided above and below the meat grinder chamber, respectively. The first knife assembly and the second knife assembly are both disposed within the meat grinder chamber, and the first knife assembly and the second knife assembly are detachable. The meat grinder of the present invention is convenient for users to clean residual meat residue on the knife assembly, and is clean and hygienic.

Description

Technical Field

[0001] The present invention relates to the field of food processing machines, in particular to an improved meat grinder. Background Art

[0002] The structure of most meat grinders currently on the market is difficult to clean. Users need to reach into the chamber where the knife group is located to clean the meat attached to the knife. However, most of the knife groups are currently located at a large depth and are usually single-sided open structures, usually only open on one side of the feeding port. After use, the meat remaining on the knife needs to be cleaned, and the material attached to the knife group can only be pushed outward through the feeding port. Due to the small diameter of the feeding port and other problems, the meat residue cannot be cleaned thoroughly, and the hands are easily scratched by the knife group. Summary of the Invention

[0003] In order to solve one or more technical problems in the prior art, or at least provide a beneficial choice, the present invention provides an improved meat grinder, which is convenient for users to clean the knife group.

[0004] The present invention provides an improved meat grinder, comprising a cup body, a main unit provided with a power output end, a meat grinder knife group transmission-connected to the power output end of the main unit, and a cover body covering the cup body and enclosing the cup body to form a material holding chamber, wherein the meat grinder knife group comprises a first knife group and a second knife group which at least partially overlap radially during operation; a meat grinder chamber is provided near the bottom of the cover body, a feeding port and a discharging port are provided above and below the meat grinder chamber, respectively, the first knife group and the second knife group are both provided in the meat grinder chamber, and the first knife group and the second knife group can be detached.

[0005] The meat grinder of the present invention arranges the meat grinder assembly in the meat grinder chamber of the cover body, feeds meat blocks and other ingredients into the meat grinder chamber at the feeding port, and cuts the meat blocks into strips and slices by the radially overlapping first and second knife groups. After the meat is cut, it can directly fall into the interior of the cup body below. The actual cutting space of the meat grinder itself is relatively small, and the amount of meat attached to the meat grinder assembly is also relatively small. Since the meat grinder can be cleaned through the meat grinder chamber outlet below the cover body after the cover body is removed, it can provide convenience for the user when cleaning. Moreover, the first and second knife groups can be detached, and the meat stuck between the blades can automatically fall off along the blades. On the one hand, it can solve the problem of meat stuck between the blades. On the other hand, when the thickness of the processed meat slices or shredded meat is relatively small, the blades need to be adjusted to a smaller spacing, which easily makes it difficult for cleaning tools to reach into the gap between the blades for cleaning. Disassembling the first and second knife groups facilitates cleaning of the residue between the blades.

[0006] In a preferred implementation of the improved meat grinder, the first knife group and the second knife group are detached along a fixed direction.

[0007] The separation of the first knife group and the second knife group can be completed by moving one of the knife groups, or by moving the two knife groups relative to each other. By setting a fixed direction, such as along the radial direction of the knife group, the knife groups can be separated along the preset direction, making it easier to clean.

[0008] In a preferred implementation of an improved meat grinder, at least one of the first knife group and the second knife group can be detached relative to the other along a preset direction, and the meat grinder knife group also includes a fixed frame for limiting the first knife group and the second knife group, and the fixed frame is provided with a sliding groove so that at least one of the first knife group and the second knife group can move in the sliding groove to radially separate the first knife group and the second knife group.

[0009] The first and second knife assemblies are mounted and positioned by a fixed frame, and a sliding groove is provided on the fixed frame. The sliding groove defines a predetermined direction for separation of the knife assemblies, so that at least one of the first and second knife assemblies can move along the sliding groove. When the first and second knife assemblies are radially separated, the blades do not interfere with each other during the separation process, and the radially overlapping portion between the first and second knife assemblies can be separated within a relatively short movement distance, thereby allowing for the removal of meat residue remaining in the overlapping portion of the knife assemblies.

[0010] In a preferred implementation of an improved meat grinder, the rotating shaft of the first knife group is fixedly arranged on a fixed frame, and the meat grinder knife group also includes a movable slider that drives the second knife group to slide along the sliding groove. The movable slider is provided with a driving groove, and the bottom wall of the cover body is provided with a guide groove. A manual lever is provided that passes through the guide groove and the driving groove in sequence. The manual lever can move back and forth along the guide groove to drive the movable slider to move along the driving direction of the driving groove.

[0011] The movement of the knife group is achieved through the coordination of the drive slot and the guide slot. The manual lever can convert the movement of the guide slot into the direction of the drive slot. This simple structure achieves the beneficial effect of convenient switching operation of the meat grinder and high reliability. It avoids the situation where the knife group shakes or lacks stability during the rotation and cutting process when a single guide slot is set. The lever can be pushed to move along the guide slot, causing the knife group to automatically separate and unable to perform the meat grinding function. The structure with the coordinated drive slot and guide slot improves the reliability of the knife group during use by the blocking effect of the guide slot in the direction opposite to the drive direction.

[0012] In a preferred implementation of an improved meat grinder, the driving groove includes a driving section and a first locking section and a second locking section arranged at both ends of the driving section. The driving section has a deviation angle set along the radial movement direction of the second knife group relative to the guide groove. The first locking section and the second locking section are parallel to the guide groove, respectively, so that when the manual lever is located in the first locking section or the second locking section, the radial positions of the first knife group and the second knife group are relatively fixed.

[0013] Because the drive section and the second cutting unit are offset radially from each other, the guide rod drive mechanism converts the longitudinal motion of the manual lever into lateral movement of the slider, reducing the required travel space. Furthermore, due to the offset angle, greater force is required to push the slider compared to when moving in the same direction as the guide groove, ensuring operational stability of the cutting unit. A locking section defines the relative position of the first and second cutting units during operation or cleaning, preventing the lever from accidentally falling off and affecting cutting quality, or accidentally returning to its original position and causing injury during cleaning.

[0014] In a preferred implementation of the improved meat grinder, the first knife group and / or the second knife group are movably mounted on the cover body and can be detached from the cover body.

[0015] The first knife group or the second knife group is movably mounted on the cover body, which is a detachable structure. After use, the first knife group or the second knife group can be taken out for cleaning, so that the knife group can be cleaned more thoroughly and more cleanly.

[0016] In a preferred implementation of the improved meat grinder, the cover body is provided with a protective cover, which can be opened to detach the first knife group and / or the second knife group.

[0017] When the protective cover is opened, the first knife group and / or the second knife group can be removed or installed along the position of the protective cover. When the protective cover is closed, the knife group is enclosed in the meat grinder chamber to prevent the user from being injured by the blades in the knife group.

[0018] In a preferred implementation of an improved meat grinder, the power output end of the main machine is connected to the first knife group and the second knife group through a transmission component, and the driven component drives the first knife group and the second knife group to roll and cut inward in opposite directions.

[0019] By limiting the first knife group and the second knife group to be able to roll and cut inward, the two sets of blades are used to form a tearing force, thereby improving the tearing effect on meat, achieving the function of cutting meat slices, and solving the problem of continuous cutting of meat.

[0020] In a preferred implementation of an improved meat grinder, the transmission assembly includes a first bevel gear connected to the power output end and a second bevel gear meshing with the first bevel gear, a first spur gear is provided on the gear shaft of the second bevel gear to mesh with the second spur gear on the rotating shaft of the first knife group or the second knife group, and a third spur gear and a fourth spur gear that can mesh with each other are also provided on the rotating shafts of the first knife group and the second knife group, so that one of the rotating shafts of the first knife group and the second knife group can serve as a driving shaft to drive the other driven shaft to rotate.

[0021] The transmission structure of the meat grinder of the present invention utilizes bevel gears for transmission and spur gears for power transmission. Gear mechanisms with the same module but different pitch circle diameters can be used for transmission, achieving gear transmission deceleration, increasing torque, and providing sufficient power to suit the meat slicing process. Furthermore, the power transmission using the gear transmission is stable and efficient during the meat slicing process.

[0022] In a preferred implementation of an improved meat grinder, the first knife group and the second knife group respectively include blades with single-phase cutting edges, the blade edges of the first knife group and the blade edges of the second knife group are arranged in opposite directions, and the blade edges of the first knife group and the blades of the second knife group are back-to-back against each other.

[0023] When the blade cuts meat, force analysis shows that the blade edge will be subjected to lateral extrusion pressure. The two sets of blades are set opposite to each other, and will be subjected to opposite lateral extrusion pressure, making the two blades fit more tightly and tend to zero gap, realizing two blades cutting into one knife, solving the problem of continuous cutting of meat, and achieving better meat cutting effect of household smart meat grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 The structure of the meat grinder in one embodiment of the present invention is shown in FIG. Figure 1 .

[0026] Figure 2 Schematic diagram of the structure of the first knife group or the second knife group in one embodiment of the present invention.

[0027] Figure 3 Schematic diagram of the structure of a blade in one embodiment of the present invention.

[0028] Figure 4 Schematic diagram of the structure of a meat grinder assembly in one embodiment of the present invention.

[0029] Figure 5 The structure of the cover and the meat grinder assembly in one embodiment of the present invention is shown in FIG. Figure 1 .

[0030] Figure 6 This is a force analysis diagram of a blade in one embodiment of the present invention.

[0031] Figure 7 1 is a top view of a meat grinder with blades overlapping in one embodiment of the present invention.

[0032] Figure 8 A cross-sectional view of the cover and the meat grinder assembly according to one embodiment of the present invention Figure 1 .

[0033] Figure 9 Schematic diagram of the structure of a meat grinder assembly in an embodiment of the present invention with blades in overlapping state.

[0034] Figure 10 FIG. 1 is a schematic structural diagram of a fixing frame in one embodiment of the present invention.

[0035] Figure 11 Schematic diagram of the structure of a movable slider in one embodiment of the present invention.

[0036] Figure 12 Schematic diagram of the structure of a meat grinder assembly in a state where the blades are separated according to one embodiment of the present invention.

[0037] Figure 13 This is a top view of a meat grinder in an embodiment of the present invention with its blades separated.

[0038] Figure 14 A cross-sectional view of the cover and the meat grinder assembly according to one embodiment of the present invention Figure 2 .

[0039] Figure 15 The structure of the cover and the meat grinder assembly in one embodiment of the present invention is shown in FIG. Figure 2 .

[0040] Figure 16 This is a bottom view of the cover body in a closed state of the protective cover according to one embodiment of the present invention.

[0041] Figure 17 The structure of the cover and the meat grinder assembly in one embodiment of the present invention is shown in FIG. Figure 3 .

[0042] Figure 18 This is a bottom view of the cover body in a closed state of the protective cover according to one embodiment of the present invention.

[0043] Figure 19 A cross-sectional view of a transmission assembly and a meat grinder assembly according to an embodiment of the present invention Figure 3 .

[0044] Figure 20 Schematic diagram of the structure of the first bevel gear and the second bevel gear in one embodiment of the present invention.

[0045] Figure 21 The structure of the meat grinder in one embodiment of the present invention is shown in FIG. Figure 2 .

[0046] Figure 22 The structure of the cover and the meat grinder assembly in one embodiment of the present invention is shown in FIG. Figure 4 .

[0047] Figure 23Schematic diagram of the knife assembly installation process in one embodiment of the present invention.

[0048] Figure 24 The structure of the cover and the meat grinder assembly in one embodiment of the present invention is shown in FIG. Figure 5 .

[0049] Figure 25 This is a structural diagram of a meat grinder mounted on a host machine in one embodiment of the present invention.

[0050] Description of reference numerals:

[0051] 1-cup body;

[0052] 2-host; 21-motor;

[0053] 3-cover; 31-meat-grinding chamber; 311-feeding port; 312-discharging port; 32-guide slot; 33-protective cover; 331-positioning bone; 332-pressing plate; 34-locking structure; 341-axis hole; 342-hinge shaft; 343-slot; 344-positioning bone; 35-guide slot; 36-stop bone; 37-magnet; 38-positioning slot;

[0054] 4 - Meat mincer assembly; 41 - Knife assembly structure; 411 - First knife assembly; 412 - Second knife assembly; 413 - Knife shaft; 4131 - First knife shaft; 4132 - Second knife shaft; 414 - Blade; 4141 - First blade; 4142 - Second blade; 4143 - Knife body; 4144 - Knife edge; 415 - Positioning ring; 416 - Nut; 417 - Elastic ring; 42 - Fixing frame; 421 - Sliding slot; 422 - First positioning hole; 423 - Second positioning hole; 424 - Bearing; 43 - Moving slider; 431 - Frame; 432 - Driving slot; 4321 - Driving section; 4322 - First locking section; 4323 - Second locking section; 433 - Manual lever; 434 - Third positioning hole; 45 - Knife comb; 46 - Magnetic guide block;

[0055] 5-transmission assembly; 51-first bevel gear; 52-second bevel gear; 53-first spur gear; 54-second spur gear; 55-third spur gear; 56-fourth spur gear; 57-connector; 58-spring;

[0056] 6- transmission rod;

[0057] 7-Deceleration assembly. DETAILED DESCRIPTION

[0058] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0059] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0060] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0061] In the present invention, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integration; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or interactions between two components. However, the phrase "direct connection" indicates that the two connected entities are not connected through a transition structure, but are connected solely through a connecting structure to form a single entity. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0062] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0063] The specific plans adopted are:

[0064] Example 1:

[0065] In this embodiment, an improved meat grinder is provided, such as Figure 1-Figure 5As shown, the meat grinder includes a cup body 1, a main unit 2 with a power output end, a meat grinder group 4 connected to the power output end of the main unit 2, and a cover body 3 that covers the cup body 1 and forms a material holding chamber with the cup body 1. A motor 21 is provided in the main unit 2, and the cup body 1 is arranged above the main unit 2. A transmission rod 6 is provided inside the cup body 1. The power output end of the main unit 2 is connected to the transmission assembly 5 through the transmission rod 6. Preferably, a reduction assembly 7 is further provided between the power output end of the main unit 2 and the transmission rod 6.

[0066] The meat grinder group 4 includes a first knife group 411 and a second knife group 412 that at least partially overlap radially during operation. The radial overlap distance L ranges from 2 to 10 mm. According to the proportional relationship between the diameter of the blade 414 and the center distance, the larger the center distance, the larger the required diameter of the blade 414. Therefore, in this embodiment, the overlapping distance L is preferably 6 mm; the two blades 414 are arranged to overlap, and the tearing distance is large when the meat is not cut, which makes it easier to tear and cut, thereby achieving the effect of easy cutting of the meat.

[0067] A meat mincing chamber 31 is provided near the bottom of the cover body 3, and a feeding port 311 and a discharging port 312 are provided above and below the meat mincing chamber 31 respectively. The first knife group 411 and the second knife group 412 are both provided in the meat mincing chamber 31, and the first knife group 411 and the second knife group 412 can be detached.

[0068] In this embodiment, Figure 2-Figure 4As shown, both the first blade assembly 411 and the second blade assembly 412 are equipped with a blade shaft 413 and a blade 414. The first blade assembly 411 includes a first blade shaft 4131 and a first blade 4141, while the second blade assembly 412 includes a second blade shaft 4132 and a second blade 4142. The blades 414 are mounted side by side on the blade shaft 413. The first and second blade assemblies 411, 412 are secured together by a fixing frame 42, forming a blade assembly structure 41. The meat mincer assembly 4 also includes structures for securing and positioning the blades. The fixing structure of blade 414 integrates blade 414 and positioning ring 415 into an integrated design, and is formed by die stretching, which improves dimensional consistency and reduces the cumulative assembly error between blade 414 and positioning ring 415, resulting in higher precision. In contrast, in existing meat grinders, positioning rings 415 are placed between multiple blades 414, which are then locked together by a nut 416 on the blade shaft 413. Due to tolerances in the machining of positioning rings 415, there is a cumulative assembly error between multiple blades 414 and positioning rings 415. Therefore, this fixing solution has a large position error and is less secure. The positioning structure of blade 414 is radially fixed to the blade shaft 413, with a smaller error. In the axial direction, the other end of the blade shaft 413 is locked with a nut 416, and an elastic ring 417 is provided at the front end of the nut 416 to allow for a certain amount of axial movement. Under the action of a certain axial force, it can be fine-tuned to achieve automatic correction of blade 414. The existing meat grinders use bearings and positioning collars on both sides to position the blades, which are fixed and cannot be adjusted. The positioning can only be larger to accommodate assembly errors. The purpose of accurately positioning the blade 414 is to achieve the beneficial effect of more thorough cutting of the meat by the blade 414.

[0069] The meat grinder of the present invention disposes four meat grinder blades within the meat grinder chamber 31 of the cover 3. Meat and other ingredients are fed into the meat grinder chamber 31 at the feed port 311. The meat is then shredded and sliced ​​by the radially overlapping first and second knife groups 411, 412. The cut meat falls directly into the cup 1 below. The actual cutting space of the meat grinder itself is relatively small, and less meat adheres to the four meat grinder blades. Since the meat grinder chamber 31 can be cleaned through the discharge port 312 below the cover 3 after the cover 3 is removed, it is convenient for the user to clean the meat. Moreover, the first knife group 411 and the second knife group 412 can be relatively detached, and the meat part stuck between the blades 414 can automatically fall off along the blades 414. On the one hand, it can solve the problem of meat stuck between the blades 414. On the other hand, when the thickness of the processed meat slices and meat shreds is relatively small, the blades 414 need to be adjusted to a smaller spacing, which may make it difficult for cleaning tools to reach into the gap between the blades 414 for cleaning. Separating the first knife group 411 and the second knife group 412 makes it easier to clean the residue between the blades 414.

[0070] The first blade assembly 411 and the second blade assembly 412 are separated along a fixed direction. The separation between the first blade assembly 411 and the second blade assembly 412 can be completed by moving one of the blade assemblies or by moving the two blade assemblies relative to each other. By setting a preset direction, such as a radial direction of the blade assembly, the blade assemblies can be separated along the preset direction, making cleaning easier.

[0071] like Figure 7-11 As shown, at least one of the first knife group 411 and the second knife group 412 can be detached relative to the other along a preset direction. In one embodiment, the first knife group 411 is fixed, and the second knife group 412 can move radially along the sliding groove 421 in the cover body 3. Of course, it is understandable that in one embodiment, both the first knife group 411 and the second knife group 412 can move radially to separate the two. The meat grinder knife group 4 also includes a fixed frame 42 for limiting the position of the first knife group 411 and the second knife group 412. The fixed frame 42 is provided with a sliding groove 421. When the sliding direction of the sliding groove 421 is consistent with the radial direction of the first knife group 411 and / or the second knife group 412, at least one of the first knife group 411 or the second knife group 412 can move within the sliding groove 421 to radially separate the first knife group 411 and the second knife group 412.

[0072] The first and second knife groups 411, 412 are mounted and positioned by a fixing frame 42. A sliding groove 421 is provided on the fixing frame 42 to define a predetermined direction for separating the knife groups. Thus, at least one of the first and second knife groups 411, 412 can move along the sliding groove 421. When the first and second knife groups 411, 412 are radially separated, the blades 414 do not interfere with each other during the separation process, and the radially overlapping portion between the first and second knife groups 411, 412 can be separated within a relatively short movement distance, thereby allowing for the removal of meat residue remaining in the overlapping portion.

[0073] like Figures 9-11 As shown, the rotating shaft of the first knife group 411 is fixedly arranged on the fixed frame 42, and the meat grinder knife group 4 also includes a movable slider 43 that drives the second knife group 412 to slide along the sliding groove 421. The movable slider 43 is provided with a driving groove 432. The bottom wall of the cover body 3 is provided with a guide groove 32, and a manual lever 433 is provided to pass through the guide groove 32 and the driving groove 432 in sequence. The manual lever 433 can move back and forth along the guide groove 32 to drive the movable slider 43 to move along the driving direction of the driving groove 432.

[0074] The movement of the knife assembly is achieved through the cooperation of the drive slot 432 and the guide slot 32. The manual lever 433 can convert the movement of the guide slot 32 into the direction of the drive slot 432. This simple structure achieves the beneficial effect of convenient switching operation of the meat grinder and high reliability. It avoids the situation where the knife assembly shakes or lacks stability during the rotation and cutting process when a single guide slot 32 is installed. The lever can be pushed along the guide slot 32 to move, thereby automatically separating the knife assembly and preventing the meat grinding function. The structure of the drive slot 432 and the guide slot 32 cooperates, and the guide slot 32 blocks the direction opposite to the driving direction, thereby improving the reliability of the knife assembly during use.

[0075] like Figure 11-12 As shown, the driving groove 432 includes a driving section 4321 and a first locking section 4322 and a second locking section 4323 arranged at both ends of the driving section 4321. The driving section 4321 has a deviation angle set along the radial movement direction of the second knife group 412 relative to the guide groove 32. The first locking section 4322 and the second locking section 4323 are respectively parallel to the guide groove 32, so that when the manual lever 433 is located in the first locking section 4322 or the second locking section 4323, the radial positions of the first knife group 411 and the second knife group 412 are relatively fixed.

[0076] Because the drive section 4321 and the second cutting unit 412 are offset radially from each other, the guide rod drive mechanism converts the longitudinal motion of the manual lever 433 into lateral motion of the movable slider 43, reducing the travel space. Furthermore, due to the offset angle, greater force is required to push the movable slider 43 compared to when it is aligned with the guide slot 32, ensuring the stability of the cutting units during operation. The locking section defines the relative position of the first and second cutting units 411, 412 during operation or cleaning, preventing the lever from accidentally falling off and affecting the cutting effect, or accidentally returning to its original position and causing injury during cleaning.

[0077] like Figures 9-12As shown, in one embodiment, the first blade assembly 411 is a movable structure, and the movement method is as follows: the second blade assembly 412 is fixed to the second blade shaft 4132, and the second blade shaft 4132 is mounted on the fixed frame 42 via a bearing 424. The fixed frame 42 is provided with a first positioning hole 422 and a second positioning hole 423, and the second positioning hole 423 is a waisted hole. The first blade shaft 4131 is fixed to the first positioning hole 422, and the second blade shaft 4132 is axially fixed by the fixed frame 42, while the second positioning hole 423 in the fixed frame 42 is used to achieve radial lateral movement. The movable slider 43 is mounted on the bearing 424 of the second blade shaft 4132 and is mounted in the sliding groove 421 of the fixed frame 42, and can move laterally along the sliding groove 421. The movable slider 43 includes a frame 431, a third positioning hole 434 and a driving groove 432. The third positioning hole 434 is used to fit the bearing 424 of the second blade shaft 4132. The frame 431 connects the third positioning holes 434 on both sides to form an integral movable slider 43. The manual lever 433 passes through the guide groove 32 and the driving groove 432 in sequence. The guide groove 32 and the manual lever 433 form a guide rod driving mechanism. The longitudinal movement of the manual lever 433 realizes the lateral reciprocating motion of the movable slider 43, thereby driving the lateral reciprocating motion of the second blade group 412, achieving the overlap and separation of the first blade group 411 and the second blade group 412. Figure 7-Figure 9 As shown, when the first knife group 411 and the second knife group 412 overlap, the manual lever 433 pushes the front end, and under the action of the guide rod driving mechanism, the second knife group 412 moves and slides to push the second knife group 412 to the overlapping position of the first knife group 411; Figure 12-14 As shown, when cleaning, the manual lever 433 is pushed to the rear end, and the guide rod driving mechanism is used to drive the movable slider 43 to move horizontally, which will drive the second knife group 412 to move to the right until the second knife group 412 is separated from the first knife group 411 and the two knife groups enter a separated state; thereby realizing the movement, separation and overlapping of the knife groups, and achieving the beneficial effect of facilitating cleaning of the meat grinder.

[0078] like Figure 15-18As shown, in one embodiment, the discharge port 312 is provided on the protective cover 33 below the bottom wall of the cover body 3 , the protective cover 33 is fixed to the bottom wall of the cover body 3 by a locking structure 34 , and the protective cover 33 can be opened. The cover body 3 is provided with an axis hole 341, and the protective cover 33 is provided with a hinge axis 342. The protective cover 33 is assembled with the cover body 3 by the cooperation of the hinge axis 342 and the axis hole 341. The protective cover 33 is provided with a locking groove 343 on both sides, and a locking bone 344 is provided on the corresponding side edges of the cover body 3. The locking groove 343 and the locking bone 344 match to form a locking structure 34, which locks the protective cover 33. The protective cover 33 can rotate about the hinge axis 342 to open the protective cover 33, exposing the blade 414 for convenient cleaning. When the protective cover 33 is locked, it can block the blade 414, making it difficult for the user to touch the blade 414 and get cut, thus achieving safety protection. The protective cover 33 is provided with a discharge port 312 in the middle, through which the cut meat slices fall out of the meat cutting module. The protective cover 33 is flipped open and closed, making the protective cover 33 and the cover body 3 detachable. The cover can be opened for cleaning and closed for safety protection. Thus, the multifunctional meat grinder achieves the beneficial effects of safe operation and convenient cleaning.

[0079] The meat grinder set 4 also includes a knife comb 45 arranged on the fixed frame 42, such as Figure 15-16 As shown, the blade comb 45 is installed below the blade 414, and the comb teeth are inserted between the blades 414 to scrape off the meat stuck to the blade 414, so that the meat is separated from the slices and then comes out of the meat cutting module, achieving the beneficial effects of the smart meat grinder being convenient for meat removal and easy cleaning without sticking the knife. The detachable structure of the blade comb 45 is set in the cover body 3, and the blade comb 45 is installed in the card slot 343 of the cover body 3, pressed by the protective cover 33, and fixed on the cover body 3; as shown in FIG. Figure 17-18 As shown, when cleaning, open the cover 3, take out the knife comb 45 for cleaning; at the same time, expose the blade 414 and scrub it clean; open the cover, remove the knife comb 45, and scrub the blade 414, so as to achieve the beneficial effect of convenient cleaning of the meat grinder.

[0080] In this embodiment, Figure 1 、 Figure 19-20 As shown, the power output end of the main machine 2 is connected to the first and second blade groups 411, 412 via a transmission assembly 5. The transmission assembly 5 drives the first and second blade groups 411, 412 to roll inward in opposite directions. By limiting the first and second blade groups 411, 412 to roll inward, the two blade groups 414 generate a tearing force, improving the tearing effect on the meat, achieving the function of slicing meat, and solving the problem of continuous cutting of meat.

[0081] like Figure 19-20As shown, the transmission assembly 5 includes a first bevel gear 51 connected to the transmission connector 57 and a second bevel gear 52 meshing with the first bevel gear 51, a first spur gear 53 is provided on the gear shaft of the second bevel gear 52 to mesh with the second spur gear 54 on the rotating shaft of the first knife group 411 or the second knife group 412, and a third spur gear 55 and a fourth spur gear 56 that can mesh with each other are also provided on the rotating shafts of the first knife group 411 and the second knife group 412, so that one of the rotating shafts of the first knife group 411 and the second knife group 412 can serve as a driving shaft to drive the other driven shaft to rotate.

[0082] In one embodiment, the rotating shaft of the first cutting unit 411 serves as the driving shaft, while the rotating shaft of the second cutting unit 412 serves as the driven shaft. The transmission assembly 5 comprises a transmission direction conversion structure, a power transmission structure, and a reduction mechanism. The transmission direction conversion structure comprises a first bevel gear 51 and a second bevel gear 52. These first and second bevel gears 51, 52 are located within the cover 3 and mounted on a gear bracket at the center of the cover 3. The bevel gear transmission structure enables 90-degree rotation in the transmission direction, achieving the purpose of transmission direction conversion. The power transmission structure includes a first bevel gear 51 driving the second bevel gear 52 to rotate, realizing direction conversion and power transmission to the second bevel gear 52, a first spur gear 53 is provided at one end of the second bevel gear 52, the first spur gear 53 is engaged with the second spur gear 54, driving the second spur gear 54 to rotate around the first cutter shaft 4131, and the second spur gear 54 thereby drives the first cutter shaft 4131 to rotate, causing the blade 414 group on the first cutter shaft 4131 to rotate and perform cutting, thereby realizing power transmission of the blade 414 on the first cutter shaft 4131; the second cutter shaft 4132 is engaged with the second cutter shaft 4132, and the second cutter shaft 4132 is engaged with the second cutter shaft 4131. A third spur gear 55 is provided, and the third spur gear 55 engages with the fourth spur gear 56 on the second cutter shaft 4132, so that the first cutter shaft 4131 drives the third spur gear 55 on the first cutter shaft 4131 to rotate, and the third spur gear 55 then drives the fourth spur gear 56 on the second cutter shaft 4132 to rotate, and the fourth spur gear 56 drives the second cutter shaft 4132 to rotate, and the second cutter shaft 4132 finally drives the blade 414 on the second cutter shaft 4132 to rotate for cutting, thereby realizing the power transmission of the second shaft blade 414, thereby realizing the power transmission of the two sets of blades 414.

[0083] The reduction mechanism functions between the second bevel gear 52 and the third spur gear 55. The first spur gear 53 at one end of the second bevel gear 52 has a smaller diameter than the second spur gear 54. Using a gear mechanism with the same module but different pitch circle diameters, this mechanism increases torque while reducing speed, providing ample power and achieving gear transmission reduction, suitable for slicing meat. Furthermore, the gear transmission ensures smooth and efficient power transmission during the slicing process.

[0084] like Figure 2-Figure 4As shown, the first knife group 411 and the second knife group 412 respectively include a blade 414 with a single-phase cutting edge 4144, and the blade 414 includes a blade body 4143 and a cutting edge 4144. The blade cutting edge 4144 of the first knife group and the blade cutting edge 4144 of the second knife group are arranged in opposite directions, and the blade cutting edge 4144 of the first knife group and the blade 4144 of the second knife group are back to back and abutted against each other.

[0085] The blades 4144 of the two sets of blades 414 are provided with a certain inclination. The inclination of the blades 4144 of the two sets of blades 414 is relatively set to ensure that the cutting is labor-saving. When the blades 414 cut meat, Figure 6 As shown, after force analysis, the blade 4144 will be subjected to a lateral extrusion force F1. The two sets of blades 414 are arranged relative to each other, and will be subjected to opposite lateral extrusion forces, so that the two blades 4144 fit more tightly together, tending to zero gap, realizing two-blade cutting into one, solving the problem of continuous cutting of meat, and achieving better meat cutting effect of the household smart meat grinder.

[0086] Example 2:

[0087] Different from the first embodiment, in this embodiment, Figure 20-23 As shown, the first blade assembly 411 and the second blade assembly 412 are detached from each other in different ways. The first blade assembly 411 or the second blade assembly 412 is movably mounted on the cover 3 and can be detached from the cover 3. Alternatively, in one embodiment, both the first blade assembly 411 and the second blade assembly 412 are detachable from the cover 3. The movably mounted first blade assembly 411 or the second blade assembly 412 on the cover 3 creates a detachable structure. After use, the first blade assembly 411 or the second blade assembly 412 can be removed for cleaning, providing a more thorough and clean cleaning of the blade assembly.

[0088] like Figure 21-24 As shown, the cover body 3 is provided with a protective cover 33 that can be opened to detach the first blade assembly 411 or the second blade assembly 412. When the protective cover 33 is open, the first blade assembly 411 or the second blade assembly 412 can be removed or installed along the position of the protective cover 33. When the protective cover 33 is closed, the blade assembly is enclosed within the meat mincing chamber 31, preventing the user from being injured by the blades 414 in the blade assembly.

[0089] The first and second blade assemblies 411 and 412 are each equipped with a fixed frame 42, which serves as the primary fixing structure for the blade assembly. The blade 414 is fixed to the blade shaft 413, which is then secured to the fixed frame 42 via a bearing 424, thus forming a single, integrated blade assembly. A blade comb 45 is also provided at the lower portion of the blade assembly, fixed to the blade comb 45 and used to comb and scrape the meat slices, separating them from the blade 414. The blade assembly is secured by snapping onto the protective cover 33. Rotating the flap allows for easy removal and cleaning of the blade assembly, thus achieving the beneficial effect of a household meat grinder with meat-cutting functionality. A guide slot 35 is provided on the cover 3, within which the blade assembly is mounted. A protective cover 33 is provided at the lower portion of the cover 3. The protective cover 33 can be opened and closed by rotating about a rotation axis. The blade assembly is installed and removed by opening and closing the protective cover 33 and moving the blade assembly along the guide slot 35. The blade assembly's securing structure includes a stopper 36, a positioning bar 331, and a pressure plate 332. The stopper 36 is located at the front end of the guide slot 35 of the cover 3 and is used to position the blade assembly horizontally. When the blade assembly is moved laterally along the guide slot 35, the blade holder is stopped by the stopper 36, securing the blade assembly horizontally in place. The positioning bar 331 and pressure plate 332 are both located on the protective cover 33. When the protective cover 33 is closed, the positioning bar 331 secures the blade holder in its horizontal right position, preventing it from moving to the right. The pressure plate 332 presses down on the blade holder, securing the blade assembly vertically and preventing it from moving downward.

[0090] The specific disassembly and assembly structure and method of the knife group are as follows: the connector 57 is dynamically installed on the transmission gear shaft inside the cover body 3, and a spring 58 is provided at one end of the connector 57 for axial movement of the connector 57. In one embodiment, the first knife group 411 is fixed, and the second knife group 412 can move radially along the guide rail inside the cover body 3. During installation, the second knife group 412 is placed in the guide groove 35, and pushed to the left along the guide groove 35 until the second knife shaft 4132 is aligned with the connector 57 and connected, and the connector 57 is pushed to the compressed state of the spring 58, that is, the second knife group 412 is installed in place, and then the protective cover 33 is buckled to fix the second knife group 412 in the cover body 3; during operation, the connector 57 rotates, and the connector 57 is aligned with the flat position of the second knife shaft 4132. Under the elastic force of the spring 58, the connector 57 will automatically fit into the second knife shaft 4132. The second blade shaft 4132 is coupled and connected to the second blade shaft 4132 for transmission, thereby realizing blind installation of the second blade assembly 412, thereby achieving the beneficial effect of convenient installation of the meat grinder blade assembly; when disassembling, the machine stops working, the cover body 3 is removed, the protective cover 33 is opened, the second blade assembly 412 is moved horizontally to the right along the guide groove 35, separated from the connector 57, and then the second blade assembly 412 is vertically taken out and placed in a sink for cleaning, thereby achieving the disassembly and cleaning of the second blade assembly 412. In this way, a household meat grinder with a meat cutting function is achieved, and the blade assembly is easy to disassemble and clean.

[0091] like Figure 24As shown, in one embodiment, one or more magnets 37 are provided at the front end of the guide slot 35 of the cover body 3, and a guide magnet block 46 is provided at the matching position of the second knife group 412. The magnetic force of the magnet 37 is used to fix the lateral positioning and removal of the second knife group 412, while the positioning in other directions is restricted and fixed by the guide slot 35. When disassembling, it is only necessary to pull the handle hard to overcome the magnetic force and pull the second knife group 412 out of the guide slot 35. The force direction of this meat grinder knife group 4 is mainly in the vertical direction, and the lateral force is relatively small. Therefore, the disassembly direction is set to the side, and the disassembly force is small, thereby achieving the beneficial effect of convenient disassembly of the knife group of the multifunctional intelligent meat grinder.

[0092] Example 3:

[0093] The difference from the first embodiment is that, in this embodiment, Figure 25 As shown, the cover 3 is provided with a feeding port 311, a connector 57, and an offset positioning slot 38 for the main unit 2. The main unit 2 is detachably mounted on the positioning slot 38 and coupled to the transmission structure via an adapter to achieve power transmission. The meat cutting and mincing functions are then switched by electronically controlling the speed and replacing the cover 3. In this embodiment, the main unit 2 is placed on top, which is convenient for operation. At the same time, the transmission structure such as the transmission rod 6 and the reduction gear box is reduced, and the available space within the cup body 1 is increased, thereby achieving the beneficial effects of a household meat grinder with a meat slicing function, which is convenient to operate, safe and reliable, and has a large space and low cost.

[0094] The technical solutions protected by the present invention are not limited to the above-described embodiments. It should be noted that the combination of the technical solutions of any one embodiment with the technical solutions of one or more other embodiments falls within the scope of protection of the present invention. Although the present invention has been described in detail above using general descriptions and specific embodiments, it is obvious to those skilled in the art that modifications or improvements can be made based on the present invention. Therefore, such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. An improved meat grinder, characterized in that: include: cup body; A main engine having a power output terminal and a motor; a meat grinder assembly drivingly connected to the power output end of the main machine, the meat grinder assembly comprising a first knife assembly and a second knife assembly which at least partially radially overlap during operation; A cover body is fitted over the cup body and encloses the cup body to form a material holding cavity, a meat mincing cavity is provided near the bottom of the cover body, a feeding port and a discharging port are provided above and below the meat mincing cavity respectively, the first knife group and the second knife group are both provided in the meat mincing cavity, and the first knife group and the second knife group are detachable; The meat grinder assembly further includes a movable slider for driving the second knife assembly to slide, the movable slider being provided with a driving groove, the bottom wall of the cover body being provided with a guide groove, and a manual lever being provided which sequentially passes through the guide groove and the driving groove, the manual lever being capable of reciprocating along the guide groove to drive the movable slider to move along the driving direction of the driving groove; The driving slot includes a driving section and a second locking section located at the front end of the driving section, so that when the manual lever is pushed to the second locking section, the second knife group and the first knife group are positioned at the overlapping position.

2. An improved meat grinder according to claim 1, characterized in that: The meat grinder knife set also includes a fixing frame for limiting the first knife set and the second knife set, and the fixing frame is provided with a sliding groove so that the second knife set can move in the sliding groove to radially separate the first knife set and the second knife set.

3. An improved meat grinder according to claim 2, characterized in that: The rotating shaft of the first knife group is fixedly arranged on the fixing frame.

4. An improved meat grinder according to claim 1, characterized in that: The driving groove further includes a first locking segment. The driving segment has a deviation angle relative to the guide groove and is arranged along the radial movement direction of the second tool group. The first locking segment and the second locking segment are respectively parallel to the guide groove.

5. An improved meat grinder according to claim 1, characterized in that: The first blade assembly and / or the second blade assembly are movably mounted on the cover body and can be detached from the cover body.

6. An improved meat grinder according to claim 5, characterized in that: The cover body is provided with a protective cover, and the protective cover can be opened to detach the first knife group and / or the second knife group.

7. An improved meat grinder according to claim 1, characterized in that: The power output end of the main machine is connected to the first knife group and the second knife group through a transmission component, and the transmission component drives the first knife group and the second knife group to roll inward in opposite directions.

8. An improved meat grinder according to claim 7, characterized in that: The transmission assembly includes a first bevel gear connected to the power output end and a second bevel gear meshing with the first bevel gear. A first spur gear is provided on the gear shaft of the second bevel gear to mesh with the second spur gear on the rotating shaft of the first knife group or the second knife group. A third spur gear and a fourth spur gear that can mesh with each other are also provided on the rotating shafts of the first knife group and the second knife group, so that one of the rotating shafts of the first knife group and the second knife group can serve as a driving shaft to drive the other driven shaft to rotate.

9. An improved meat grinder according to claim 1, characterized in that: The first knife group and the second knife group respectively include blades with single-phase cutting edges. The cutting edges of the blades of the first knife group and the cutting edges of the blades of the second knife group are arranged in opposite directions, and the cutting edges of the blades of the first knife group and the blades of the second knife group are opposed to each other in opposite directions.

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