Household meat grinder

By installing heat dissipation impellers and designing air inlets and exhaust ports in the household meat grinder, the high temperature problems caused by the closed structure of the existing meat grinder are solved, and the effects of rapid cooling and long-term continuous work are achieved, which reduces safety risks and ensures working stability.

CN222658837UActive Publication Date: 2025-03-25YILANG TECHNOLOGY YANCHENG CO LTD
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Patent Information

Application Number
CN202421172283.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-03-25
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

Due to the closed structure of the existing household meat grinder, it is difficult to effectively dissipate heat, which must be suspended in high temperature situations and cannot work continuously for a long time, which poses a high temperature safety risk.

Method used

A household meat grinder is designed, which uses a heat dissipation impeller to be installed on the rotating spindle. The air inlet and exhaust port are designed to achieve the inlet and discharge of the heat dissipation air flow, which can quickly cool down and meet the needs of long-term continuous work.

Benefits of technology

It realizes rapid cooling of household meat grinders, meets the needs of long-term continuous work, reduces the risk of high temperature safety, and ensures stability during work through the coordination of limiting lateral ears and fixed lateral ears.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222658837U_ABST
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Abstract

The utility model discloses a household meat grinder. The household meat grinder comprises a driving main machine, a top cover, a glass cylinder and a spiral cutter, the driving main machine comprises a main machine shell, a rotary driving unit, a rotary main shaft and a heat dissipation impeller. According to the household meat grinder, the heat dissipation impeller is installed on the rotating main shaft, so that heat dissipation and air blowing are conducted on the interior of the main machine shell while the rotating main shaft rotates, rapid cooling of the interior is achieved, and the requirement for long-time work of the rotating driving unit is met; by means of the design of the air inlet holes and the air outlet, entering and discharging of heat dissipation airflow can be achieved, and outward diffusion of heat in the host shell is achieved; the limiting side lugs are matched with the fixing side lugs, so that the relative rotation of the top cover can be limited, and the working stability is ensured; and the detachable spiral cutter is utilized, so that cleaning is convenient.
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Description

Technical Field

[0001] The utility model relates to a household electrical appliance, in particular to a household meat grinder. Background Art

[0002] At present, the host module of the existing meat grinder is a closed structure. During use, it is often suspended due to high temperature and cannot work continuously for a long time. It is necessary to wait for the temperature to drop before using it again, which not only wastes time but also poses certain high temperature safety risks. Utility Model Content

[0003] The utility model aims to provide a household meat grinder with a heat dissipation function, which can meet the needs of long-term continuous work.

[0004] Technical solution: The household meat grinder described in the utility model comprises a driving main unit, a top cover, a glass cylinder and a spiral cutter; the driving main unit comprises a main unit casing, a rotary drive unit, a rotary spindle and a heat dissipation impeller; the main unit casing is fixedly mounted at the center of the upper side surface of the top cover, and an exhaust port is arranged at the lower edge of the main unit casing, and an air inlet is arranged obliquely upward on the middle side wall of the main unit casing, and the air inlet faces the rotary drive unit; the rotary spindle is rotatably mounted at the center of the top cover, and the rotary drive unit is used to drive the rotary spindle to rotate; the heat dissipation impeller is mounted on the rotary spindle, and its height is located between the exhaust port and the air inlet; two fixed side ears are arranged on the edge of the upper tube opening of the glass cylinder, and a limiting side ear corresponding to the fixed side ears is arranged on the circumferential edge of the top cover; limiting grooves for respectively buckling on the upper tube opening of the glass cylinder and the fixed side ears are arranged on the lower side surfaces of the top cover and the limiting side ears; the lower end of the spiral cutter is detachably rotatably mounted at the center of the bottom of the glass cylinder, and the upper end of the spiral cutter is detachably connected to the lower end of the rotary spindle.

[0005] Furthermore, the rotation drive unit includes a driving circuit board, a driving motor, a waterproof flexible cover and two push switches; the driving circuit board is horizontally fixedly installed on the upper part of the main body shell, the two push switches are fixedly installed on the upper side of the driving circuit board, and a controller and a motor driving circuit are arranged on the lower side of the driving circuit board, and the controller is electrically connected to the motor driving circuit and the two push switches respectively; the driving motor is installed at the lower part of the main body shell through a cross-shaped fixing frame, and is used to rotationally drive the rotating spindle, and the controller drives and controls the driving motor through the motor driving circuit; the waterproof flexible cover covers the driving circuit board, and two push blocks protruding from the top of the main body shell are arranged above the waterproof flexible cover, and the two push blocks are respectively located directly above the two push switches.

[0006] Furthermore, a hinged slot extending to the edge is provided at the limiting side ear, and a swing locking rod is swing-hingedly installed at the entrance of the hinged slot; a locking rod is vertically provided at the lower end of the swing locking rod for buckling on the lower side of the fixed side ear.

[0007] Furthermore, a rotating shaft sleeve is fixedly installed through the center of the top cover, and the rotating main shaft is rotatably installed on the rotating shaft sleeve; a bottom plate is arranged below the inside of the main body shell and below the heat dissipation impeller, and the upper end of the rotating shaft sleeve is fixed on the bottom plate; a ventilation window is arranged on the bottom plate, and a protective net is arranged on the ventilation window.

[0008] Furthermore, the spiral tool includes a tool rod, a docking sleeve and multiple blades; the blades are distributed and installed on the tool rod, and the docking sleeve is fixed on the upper end of the tool rod; a square docking hole is arranged on the docking sleeve, and a square shaft head for docking with the square docking hole is arranged on the lower end of the rotating main shaft; a supporting short shaft is vertically arranged at the center of the bottom of the glass tube, and a rotating support hole for docking with the supporting short shaft is arranged on the lower end of the tool rod.

[0009] Compared with the prior art, the utility model has the following beneficial effects: a heat dissipation impeller is installed on the rotating main shaft, so that the heat dissipation and air blowing are carried out to the inside of the main engine shell while the rotating main shaft rotates, thereby achieving rapid internal cooling and meeting the long-term working needs of the rotating drive unit; the design of the air inlet and the air outlet can realize the entry and discharge of heat dissipation airflow and realize the outward diffusion of heat inside the main engine shell; the cooperation of the limiting side ears and the fixed side ears can limit the relative rotation of the top cover and ensure stability during operation; and a detachable spiral cutter is used for easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a partial cross-sectional structural schematic diagram of the driving host of the utility model;

[0012] Figure 3 This is a schematic diagram of the installation structure of the swing lock rod of the utility model;

[0013] Figure 4 It is a schematic diagram of the circuit structure of the utility model. DETAILED DESCRIPTION

[0014] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the embodiments.

[0015] Embodiment 1:

[0016] like Figure 1-4As shown, the household meat grinder disclosed in the utility model comprises: a driving host, a top cover 2, a glass cylinder 1 and a spiral cutter; the driving host comprises a host casing 3, a rotation driving unit, a rotation spindle 24 and a heat dissipation impeller 27; the host casing 3 is fixedly mounted at the center of the upper side surface of the top cover 2, and an exhaust port 20 is arranged at the lower edge of the host casing 3, and an air inlet 23 is obliquely arranged on the middle side wall of the host casing 3, and the air inlet 23 faces the rotation driving unit; the rotation spindle 24 is rotatably mounted at the center of the top cover 2, and the rotation driving unit is used to drive the rotation spindle 24 to rotate; The heat dissipation impeller 27 is installed on the rotating main shaft 24, and its height is located between the exhaust port 20 and the air inlet 23; two fixed side ears 9 are arranged on the edge of the upper tube mouth of the glass tube 1, and a limiting side ear 10 corresponding to the fixed side ear 9 is arranged on the circumferential edge of the top cover 2; limiting grooves 19 for respectively buckling on the upper tube mouth of the glass tube 1 and the fixed side ear 9 are arranged on the lower side surfaces of the top cover 2 and the limiting side ear 10; the lower end of the spiral tool is detachably rotatably installed at the bottom center of the glass tube 1, and the upper end of the spiral tool is detachably connected to the lower end of the rotating main shaft 24.

[0017] The heat dissipation impeller 27 is installed on the rotating main shaft 24, so that the inside of the main engine housing 3 is cooled and blown while the rotating main shaft 24 rotates, thereby achieving rapid internal cooling and meeting the long-term working needs of the rotating drive unit; the design of the air inlet 23 and the air outlet 20 can realize the entry and discharge of heat dissipation airflow, and the heat inside the main engine housing 3 can be diffused outward; the cooperation of the limiting side ears 10 and the fixed side ears 9 can limit the relative rotation of the top cover 2 to ensure stability during operation; a detachable spiral tool is used to facilitate cleaning.

[0018] Furthermore, the rotation drive unit includes a driving circuit board 29, a driving motor 32, a waterproof flexible cover 30 and two push switches 31; the driving circuit board 29 is horizontally fixedly installed on the upper part of the main body shell 3, and the two push switches 31 are fixedly installed on the upper side of the driving circuit board 29. A controller and a motor driving circuit are arranged on the lower side of the driving circuit board 29, and the controller is electrically connected to the motor driving circuit and the two push switches 31 respectively; the driving motor 32 is installed at the lower part of the main body shell 3 through a cross-shaped fixing frame 28, and is used to rotationally drive the rotating spindle 24, and the controller drives and controls the driving motor 32 through the motor driving circuit; the waterproof flexible cover 30 covers the driving circuit board 29, and two push blocks 22 protruding from the top of the main body shell 3 are arranged above the waterproof flexible cover 30, and the two push blocks 22 are respectively located directly above the two push switches 31.

[0019] The waterproof flexible cover 30 can be used to provide waterproof protection for the driving circuit board 29, thereby preventing possible water leakage from the installation gap at the upper pressing block 22; two press switches 31 can be used to realize press triggering of two speeds, and send two control commands to the controller to meet the control needs of high and low speeds.

[0020] Furthermore, a hinge slot 18 extending to the edge is provided at the position-limiting side ear 10, and a swing lock rod 12 is swingably hingedly installed at the entrance of the hinge slot 18; a lock rod 13 is vertically provided at the lower end of the swing lock rod 12, which is used to buckle on the lower side of the fixed side ear 9. The lock rod 13 can be buckled on the lower side of the fixed side ear 9, so that the position-limiting side ear 10 and the fixed side ear 9 are tightly buckled during operation, ensuring stability during operation.

[0021] Furthermore, a locking block 11 extending downward is provided at the lower side edge of the limiting side ear 10, and a locking limiting blind hole 17 is provided on the locking block 11; a locking hemispherical protrusion 16 is provided at the lower end of the swing lock rod 12, and when the lock catch rod 13 is buckled on the lower side of the fixed side ear 9, the locking hemispherical protrusion 16 is sunk into the locking limiting blind hole 17. By using the cooperation of the locking hemispherical protrusion 16 and the locking limiting blind hole 17, the swing lock rod 12 can be limited during operation, and the buckling stability of the lock catch rod 13 is enhanced.

[0022] Furthermore, a swing limit blind hole 15 is provided on the groove edge of the hinge notch 18, and a swing hemispherical protrusion 14 is provided on the upper end of the swing lock rod 12. When the lock rod 13 is away from the lower side of the fixed side ear 9, the swing hemispherical protrusion 14 is trapped in the swing limit blind hole 15. By using the cooperation between the swing hemispherical protrusion 14 and the swing limit blind hole 15, the swing lock rod 12 can be limited after it is opened, and the lock rod 13 is kept away from the fixed side ear 9, so as to facilitate the opening and closing of the top cover 2.

[0023] Furthermore, a rotating shaft sleeve 21 is fixedly installed through the center of the top cover 2, and a rotating main shaft 24 is installed on the rotating shaft sleeve 21 through the rotating shaft sleeve 21; a bottom plate 34 is arranged at the lower part of the main housing 3 and below the heat dissipation impeller 27, and the upper end of the rotating shaft sleeve 21 is fixed on the bottom plate 34; a ventilation window 25 is arranged on the bottom plate 34, and a protective net 26 is arranged on the ventilation window 25. The protective net 26 can realize bottom ventilation while preventing debris from entering.

[0024] Furthermore, ventilation and heat dissipation slots 33 are provided at the edge of the driving circuit board 29. The ventilation and heat dissipation slots 33 can enhance the heat dissipation performance of the upper part of the driving circuit board 29.

[0025] Furthermore, an anti-skid pad 6 is detachably mounted on the bottom of the glass cylinder 1. The anti-skid pad 6 can enhance the stability of the bottom of the glass cylinder 1 during operation.

[0026] Furthermore, the spiral cutter includes a cutter bar 4, a docking sleeve 8 and a plurality of blades 5; the blades 5 are distributedly installed on the cutter bar 4, and the docking sleeve 8 is fixed on the upper end of the cutter bar 4; a square docking hole is provided on the docking sleeve 8, and a square shaft head 35 for docking with the square docking hole is provided on the lower end of the rotating main shaft 24; a supporting short shaft 7 is vertically provided at the bottom center of the glass cylinder 1, and a rotating support hole for docking with the supporting short shaft 7 is provided on the lower end of the cutter bar 4. The rotation transmission of the rotating main shaft 24 can be realized by the cooperation between the square docking hole and the square shaft head 35; the rotation support of the lower end of the cutter bar 4 can be realized by the cooperation between the supporting short shaft 7 and the rotating support hole.

[0027] When the household meat grinder disclosed by the utility model is working, firstly, the cut material is put into the glass tube 1, and the spiral cutter is put in so that the supporting short shaft 7 is inserted into the rotating supporting hole. After the top cover 2 is covered, the square shaft head 35 is inserted into the square docking hole, and then the two swing locking rods 12 are swung so that the locking rods 13 are buckled on the lower side of the fixed side ears 9; then the power is connected, and the low-speed buttons in the two pressing blocks 22 are pressed to trigger the pressing switch 31 as the low-speed button, so that the controller outputs a control signal, and the driving motor 32 is driven at a low speed through the motor driving circuit; and then the high-speed buttons in the two pressing blocks 22 are pressed to trigger the pressing switch 31 as the high-speed button, so that the controller outputs a control signal, and the driving motor 32 is driven at a high speed through the motor driving circuit.

[0028] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. A household meat grinder, characterized in that: The invention comprises a driving main unit, a top cover (2), a glass cylinder (1) and a spiral cutter; the driving main unit comprises a main unit housing (3), a rotation driving unit, a rotation main shaft (24) and a heat dissipation impeller (27); the main unit housing (3) is fixedly mounted at the center of the upper side surface of the top cover (2), an air outlet (20) is arranged at the lower edge of the main unit housing (3), an air inlet (23) is obliquely arranged upward on the middle side wall of the main unit housing (3), and the air inlet (23) faces the rotation driving unit; the rotation main shaft (24) is rotationally mounted at the center of the top cover (2), and the rotation driving unit is used to drive the rotation main shaft (24) to rotate; the heat dissipation impeller (27) is arranged The glass cylinder (1) is mounted on a rotating main shaft (24) and is located at a height between the air outlet (20) and the air inlet (23); two fixed side ears (9) are arranged on the edge of the upper tube opening of the glass cylinder (1); and a limiting side ear (10) corresponding to the fixed side ears (9) is arranged on the circumferential edge of the top cover (2); limiting grooves (19) for respectively buckling on the upper tube opening of the glass cylinder (1) and the fixed side ears (9) are arranged on the lower side surfaces of the top cover (2) and the limiting side ears (10); the lower end of the spiral cutter is detachably rotatably mounted at the center of the bottom of the glass cylinder (1), and the upper end of the spiral cutter is detachably connected to the lower end of the rotating main shaft (24).

2. The household meat grinder according to claim 1, characterized in that: The rotation drive unit comprises a drive circuit board (29), a drive motor (32), a waterproof flexible cover (30) and two push switches (31); the drive circuit board (29) is horizontally fixedly mounted on the upper part of the main housing (3); the two push switches (31) are fixedly mounted on the upper side of the drive circuit board (29); a controller and a motor drive circuit are arranged on the lower side of the drive circuit board (29); the controller is electrically connected to the motor drive circuit and the two push switches (31) respectively; the drive motor (32) is mounted on the lower part of the main housing (3) through a cross-shaped fixing frame (28) and is used to rotationally drive the rotation main shaft (24); the controller drives and controls the drive motor (32) through the motor drive circuit; The waterproof flexible cover (30) covers the top of the driving circuit board (29), and two pressing blocks (22) protruding out of the top of the main housing (3) are arranged above the waterproof flexible cover (30), and the two pressing blocks (22) are respectively located directly above the two pressing switches (31).

3. The household meat grinder according to claim 1, characterized in that: A hinge slot (18) extending to the edge is provided at the limiting side ear (10), and a swing lock rod (12) is swingably hingedly installed at the entrance of the hinge slot (18); a locking rod (13) is vertically provided at the lower end of the swing lock rod (12) for buckling on the lower side of the fixed side ear (9).

4. The household meat grinder according to claim 1, characterized in that: A rotating shaft sleeve (21) is fixedly installed through the center of the top cover (2), and a rotating main shaft (24) is installed on the rotating shaft sleeve (21) through the rotating shaft sleeve (21). A bottom plate (34) is arranged at the lower part of the main body housing (3) and below the heat dissipation impeller (27), and the upper end of the rotating shaft sleeve (21) is fixed on the bottom plate (34). A ventilation window (25) is arranged on the bottom plate (34), and a protective net (26) is arranged on the ventilation window (25).

5. The household meat grinder according to claim 1, characterized in that: The spiral cutter comprises a cutter bar (4), a docking sleeve (8) and a plurality of blades (5); the blades (5) are distributedly mounted on the cutter bar (4), and the docking sleeve (8) is fixed on the upper end of the cutter bar (4); a square docking hole is arranged on the docking sleeve (8), and a square shaft head (35) for docking with the square docking hole is arranged on the lower end of the rotating main shaft (24); a supporting short shaft (7) is vertically arranged at the center of the bottom of the glass cylinder (1), and a rotating support hole for docking with the supporting short shaft (7) is arranged on the lower end of the cutter bar (4).