Food processor with safety protection function

Abstract

According to the food processor with the safety protection function, the switch for controlling the on-off of the start-stop circuit of the motor is arranged in the machine base, the transmission structure matched with the switch in a transmission mode is arranged, and the cup cover is provided with the trigger structure; the transmission structure comprises a first push rod vertically and movably arranged in the push rod channel and a second push rod arranged in the push rod moving hole, when the cup cover covers the cup body assembly in place relative to the cup body assembly, the trigger structure pushes the first push rod through the insertion opening and is in linkage with the second push rod, so that the switch is triggered to enable the start-stop circuit to be connected, and when the cup cover is relatively opened, the start-stop circuit is closed. The switch enables the start-stop circuit to be disconnected, so that the mechanical switch is adopted to control the start and stop of the food processor, the use safety of a user is protected to the greatest extent, and the use is reliable. The transmission structure comprises the first push rod and the second push rod which are separately arranged on the cup body assembly and the machine base, and can be suitable for the food processing machine with the cup body assembly and the machine base which are separately arranged.

Description

Technical Field

[0001] The utility model belongs to the technical field of food processing machines, in particular to a food processing machine with safety protection. Background Art

[0002] With the continuous development of science and technology, and people's constant pursuit of quality of life, food processing machines have begun to become essential household appliances for people's lives; existing household food processing machines generally include a machine base, a cup body and a cup cover, a cutting mechanism is installed at the bottom of the cup body, and a driving motor for driving the cutting mechanism is arranged in the machine base. If the cutting mechanism is touched by human body during operation, it will be very dangerous, so most of the existing food processing machines have added a cover opening safety switch, that is, a safety switch connected to the driving motor is set on the cup body. When the cup cover is not installed or not installed in place, the safety switch is not connected, and the driving motor cannot be started. When the cup cover is installed in place, the driving motor can be started, ensuring the safety of the user. However, most of the existing safety switches use electronic switch components, which may fail after many uses, affecting the safety of the product, and the installation structure is complicated. Utility Model Content

[0003] The utility model aims to overcome the problem that the existing food processing machine using electronic switches is prone to malfunction, and to provide a food processing machine with safety protection which uses mechanical switches, has a simple structure and is reliable to use.

[0004] A food processor with safety protection comprises a machine base, a cup body assembly with openings at both ends, and a cup cover for covering the upper opening of the cup body assembly, wherein the lower opening of the cup body assembly is detachably connected to the machine base, and the machine base is provided with a cutting mechanism extending into the lower opening of the cup body assembly and a motor driving the cutting mechanism; a switch associated with the start and stop of the motor is provided in the machine base, and the switch is provided with a transmission structure matched with the transmission; a push rod channel with an insertion opening formed at the top is provided in the cup body assembly, and a hollow push rod movable hole connected to the machine base is provided at the upper part of the machine base, and the transmission structure comprises a first push rod vertically movably placed in the push rod channel and a second push rod placed in the push rod movable hole, the first push rod and the second push rod are arranged vertically correspondingly, and the lower end of the second push rod is linked to the switch part of the switch; an insertion opening connected to the transmission structure is provided at the top of the cup body assembly, and the cup cover is provided with a trigger structure, and when the cup cover is closed relative to the cup body assembly, the trigger structure pushes the first push rod through the insertion opening, and the first push rod triggers the switch by linking the second push rod, thereby connecting the start and stop circuit of the motor.

[0005] Compared with the prior art, the food processing machine with safety protection of the utility model is provided with a switch for controlling the start-stop circuit of the motor in the machine base, and is provided with a transmission structure matched with the switch transmission, and the cup cover is provided with a trigger structure, the transmission structure includes a first push rod vertically arranged in the push rod channel and a second push rod arranged in the push rod movable hole, when the cup cover is closed relative to the cup body assembly, the trigger structure pushes the first push rod through the insertion port and links the second push rod, thereby triggering the switch to connect the start-stop circuit, when the cup cover is relatively opened, the switch disconnects the start-stop circuit, and realizes the use of a mechanical switch to control the start and stop of the food processing machine, and the structure is simple; the food processing machine is allowed to work only when the user closes the cup cover, and the user's safety and reliability are protected to the maximum extent. Moreover, the transmission structure includes a first push rod and a second push rod respectively arranged on the cup body assembly and the machine base, and can be applied to a food processing machine in which the cup body assembly and the machine base are separately arranged.

[0006] Furthermore, it also includes a control circuit board connected to the motor, and the start-stop circuit is connected between the control circuit board and the power circuit; through such an arrangement, the food processor is allowed to work only when the user closes the cup cover in place, and the use is reliable.

[0007] Furthermore, the insertion port is connected to the top of the cup body assembly and the side along the circumferential direction. When the cup cover is rotated into place relative to the cup body assembly, the trigger structure enters the push rod channel through the insertion port and cooperates with the transmission structure. Through such an arrangement, the cup cover can be directly closed from above or rotated into place after being closed, and both can trigger the switch. The closing method of the cup cover is not limited, which is convenient for users to operate.

[0008] Furthermore, a guide portion is provided on the top of the first push rod near the insertion port, and the guide portion is a guide slope provided on the top of the first push rod. When the trigger structure pushes the guide portion through the insertion port, the first push rod moves in a vertical downward direction and triggers the switch through the second push rod. Through such an arrangement, the switch is triggered through the transmission of the guide slope.

[0009] Furthermore, a guiding bevel is provided on the inner circumference of the upper end of the push rod movable hole to facilitate the insertion of the lower end of the first push rod into the push rod movable hole; by such an arrangement, a guiding bevel is provided on the inner circumference of the upper end of the push rod movable hole, which can ensure that the lower end of the first push rod can more easily enter the push rod movable hole and cooperate with the second push rod for transmission.

[0010] Furthermore, the upper end of the push rod movable hole is higher than the upper end surface of the second push rod by more than 3 mm, and the inner diameter of the upper end of the push rod movable hole is 2 mm to 5 mm. Through such an arrangement, it is better to prevent the fingers of young children from pressing the second push rod in the push rod movable hole, thereby preventing young children from mistakenly starting the food processor, thereby ensuring safe use.

[0011] Furthermore, a sealing ring is sleeved on the outer side of the second push rod, and the sealing ring is respectively sealed with the outer side of the second push rod and the inner wall of the push rod movable hole. The push rod movable hole is located on the upper side of the sealing ring and is provided with a drain hole connected to the outside; through such an arrangement, the accumulated water in the push rod movable hole can be quickly discharged to the outside, avoiding the accumulated water from entering the machine base.

[0012] Furthermore, the second push rod is provided with a groove arranged along the circumferential direction, and the sealing ring is sleeved in the groove. The sealing ring is arranged at the upper, middle or lower position of the second push rod; through such an arrangement, the relative position of the sealing ring is better fixed to avoid displacement of the sealing ring affecting the sealing effect.

[0013] Furthermore, an elastic reset structure is provided in the cup body assembly corresponding to the transmission structure, and the elastic reset structure is used to drive the transmission structure to reset to a side away from the switch when the cup cover is removed; through such an arrangement, when the cup cover is relatively opened, the transmission structure can be quickly reset through the elastic reset structure, thereby disconnecting the start / stop circuit through the switch to ensure user safety.

[0014] Furthermore, the elastic reset structure is a reset spring, the cup body assembly includes a cup body and a connecting seat arranged on the outer periphery of the lower end of the cup body, a limiting portion is provided at the lower part of the first push rod, the reset spring is sleeved on the lower end of the first push rod, and the two ends of the reset spring are respectively abutted against the limiting portion and the connecting seat; through such an arrangement, the elastic reset structure is simply arranged, and the transmission structure reset response speed is fast.

[0015] Furthermore, the cup body assembly includes a cup body with openings at both ends and a connecting seat arranged on the outer periphery of the lower end of the cup body, a ring-shaped plug-in groove is formed between the connecting seat and the cup body, the cutting mechanism is arranged on the top of the machine base, and a circle of connecting walls is provided on the outer periphery of the top of the machine base. The connecting wall and the plug-in groove are detachably connected through a rotating connecting structure. When the machine base and the cup body assembly are assembled in place, the first push rod and the second push rod are arranged vertically correspondingly; through such an arrangement, the cup body assembly can be disassembled and separated relative to the machine base, which is convenient for users to clean the cutting mechanism and convenient cleaning.

[0016] Furthermore, the cup body assembly is provided with a locking mechanism that cooperates with the base for locking, the side of the cup body is provided with a handle with an arc-shaped lower portion, the handle is provided with a locking movable channel extending to connect with the plug-in slot, the locking mechanism includes a locking push rod with an arc-shaped lower portion provided in the locking movable channel and a locking slot provided on the side of the connecting seat, the handle is provided with a control structure for controlling the locking push rod to move relative to each other along the locking movable channel, and when the base and the cup body are relatively assembled in place, the locking push rod is controlled by the control structure to be inserted into the locking slot along the locking movable channel, thereby achieving locking between the cup body assembly and the base; through such an arrangement, the cup body assembly and the base can be relatively locked through the locking mechanism, and the assembly connection between the two is firm.

[0017] Furthermore, the rotating connection structure is a rotary clamp structure, which includes a clamping protrusion arranged on the outside of the connecting wall and a clamping groove arranged on the side wall of the plug-in slot corresponding to the clamping protrusion; through such a setting, the rotary clamp structure is simple to set up, which facilitates the rapid assembly and disassembly between the cup body assembly and the machine base. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of a food processor with safety protection

[0019] Figure 2 Exploded view of a food processor with safety guard

[0020] Figure 3 Diagram of removing the lid from a food processor with safety guard

[0021] Figure 4 Schematic diagram of the cup cover

[0022] Figure 5 Schematic diagram of the cup body assembly

[0023] Figure 6 Schematic diagram of the base

[0024] Figure 7 Cross-sectional view of the base

[0025] Figure 8 Internal structure diagram of a food processor with safety protection DETAILED DESCRIPTION

[0026] The specific implementation of the present invention is described below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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.

[0027] See also Figures 1 to 8 The food processing machine with safety protection of the utility model is characterized in that it comprises a machine base 1, a cup body assembly 2 with openings at both ends, and a cup cover 3 for covering the opening on the cup body assembly 2, the lower end opening of the cup body assembly 2 is detachably connected to the machine base 1, the machine base 1 is provided with a cutting mechanism 4 extending into the lower end opening of the cup body assembly 2 and a motor 41 for driving the cutting mechanism 4; a switch 5 for starting and stopping the start and stop circuit associated with the motor 41 is provided in the machine base 1, and the switch 5 is configured with a transmission structure 6 for transmission matching therewith, a push rod channel 62 with an insertion port 21 formed at the top is provided in the cup body assembly 2, and a push rod activity hole 63 connected to the machine base 1 is provided in the upper part of the machine base 1, The transmission structure 6 includes a first push rod 61 vertically movable in the push rod channel 62 and a second push rod 64 disposed in the push rod movable hole 63. The first push rod 61 and the second push rod 64 are arranged vertically correspondingly, and the lower end of the second push rod 64 abuts against the elastic switch part of the switch 5. The top of the cup body assembly 2 is provided with an insertion port 21 connected to the transmission structure 6, and the cup cover 3 is provided with a trigger structure 31. When the cup cover 3 is closed in place relative to the cup body assembly 2, the trigger structure 31 pushes the first push rod 61 through the insertion port 21. The first push rod 61 triggers the switch 5 by linking with the second push rod 64, thereby connecting the start and stop circuits of the motor 41.

[0028] Compared with the prior art, the food processor with safety protection of the present invention has a switch 5 for controlling the on / off of the start / stop circuit of the motor 41 arranged in the machine base 1, and is provided with a transmission structure 6 for transmission cooperation with the switch 5, and the cup cover 3 is provided with a trigger structure 31, the transmission structure 6 includes a first push rod 61 vertically movable in the push rod channel 62 and a second push rod 64 arranged in the push rod movable hole 63, when the cup cover 3 is closed in place relative to the cup body assembly 2, the trigger structure 31 pushes the first push rod 61 through the insertion port 21 and links the second push rod 64, thereby triggering the switch 5 to connect the start / stop circuit, when the cup cover 3 is relatively opened, the switch 5 disconnects the start / stop circuit, and realizes the use of a mechanical switch to control the start and stop of the food processor, and has a simple structure; the food processor is allowed to work only when the user closes the cup cover 3 in place, thereby protecting the user's safety and reliability to the greatest extent. Furthermore, the transmission structure 6 includes a first push rod 61 and a second push rod 64 which are separately arranged on the cup body assembly 2 and the machine base 1, and can be applied to a food processing machine in which the cup body assembly 2 and the machine base 1 are separately arranged.

[0029] See also Figure 8 In one embodiment, it also includes a control circuit board 11 connected to the motor 41, and the start-stop circuit is connected between the control circuit board 11 and the power circuit; through such an arrangement, the food processor is allowed to work only when the user closes the cup cover 3 in place, and the use is reliable.

[0030] See also Figure 2 and Figure 3 In one embodiment, the insertion port 21 is connected to the top and the side of the cup body assembly 2 in the circumferential direction. When the cup cover 3 is closed and rotated relative to the cup body assembly 2, the trigger structure 31 enters the push rod channel 62 through the insertion port 21 and cooperates with the transmission structure 6. Through such a configuration, the cup cover 3 can trigger the switch 5 by directly closing it from above or rotating it after closing it. The closing method of the cup cover 3 is not limited, which is convenient for users to operate.

[0031] See also Figures 2 to 8 In one embodiment, a guide portion 60 is provided at the top of the first push rod 61 near the insertion port 21, and the guide portion 60 is a guide slope provided at the top of the first push rod 61. When the trigger structure 31 pushes the guide portion 60 through the insertion port 21, the first push rod 61 moves in a vertical downward direction and triggers the switch 5. With such a configuration, the switch 5 is triggered effectively through the transmission of the guide slope.

[0032] See also Figures 3 to 8In one embodiment, a guide slope 630 is provided on the inner periphery of the upper end of the push rod movable hole 63 to facilitate the lower end of the first push rod 61 to be inserted into the push rod movable hole 63; through such a setting, the linkage transmission structure 6 can quickly trigger the switch 5, and the transmission effect has a fast response speed.

[0033] In one embodiment, the upper end of the push rod movable hole 63 is higher than the upper end surface of the second push rod 64 by more than 3 mm, and the inner diameter of the upper end of the push rod movable hole 63 is 2 mm to 5 mm. Through such a setting, it is better to prevent the fingers of young children from pressing the second push rod 64 in the push rod movable hole 63, thereby preventing young children from mistakenly starting the food processor, thereby ensuring safe use.

[0034] See also Figure 6 and Figure 7 In one embodiment, a sealing ring 68 is sleeved on the outer side of the second push rod 64, and the sealing ring 68 is respectively sealed with the outer side of the second push rod 64 and the inner wall of the push rod movable hole 63, and the push rod movable hole 63 is provided with a drain hole 630 connected to the outside on the upper side of the sealing ring 68; through such a configuration, the accumulated water in the push rod movable hole 63 can be quickly discharged to the outside to prevent the accumulated water from entering the machine base 1.

[0035] In a further embodiment, the second push rod 64 is provided with a groove 69 arranged along the circumferential direction, and the sealing ring 68 is sleeved in the groove 69. The sealing ring 68 is arranged at the upper, middle or lower position of the second push rod 64. Through such a setting, the relative position of the sealing ring 68 is better fixed to avoid displacement of the sealing ring 68 affecting the sealing effect.

[0036] See also Figure 8 In one embodiment, an elastic reset structure is provided in the cup body assembly 2 corresponding to the transmission structure 6, and the elastic reset structure is used to drive the transmission structure 6 to reset to a side away from the switch 5 when the cup cover 3 is removed; through such a configuration, when the cup cover 3 is relatively opened, the transmission structure 6 can be quickly reset through the elastic reset structure, thereby disconnecting the start / stop circuit through the switch 5 to ensure user safety.

[0037] See also Figure 7 In one embodiment, the elastic reset structure is a reset spring 7, the cup body assembly 2 includes a cup body 22 and a connecting seat 23 arranged on the outer periphery of the lower end of the cup body 22, a limiting portion 631 is provided at the lower part of the first push rod 61, the reset spring 7 is sleeved on the lower end of the first push rod 61, and the two ends of the reset spring 7 are respectively abutted against the limiting portion 631 and the connecting seat 23; through such a setting, the setting method of the elastic reset structure is simple, and the reset response speed of the transmission structure 6 is fast.

[0038] See also Figures 5 to 7In one embodiment, the cup body assembly 2 includes a cup body 22 with openings at both ends and a connecting seat 23 arranged on the outer periphery of the lower end of the cup body 22, and a ring-shaped plug-in groove 330 is formed between the connecting seat 23 and the cup body 22. The cutting mechanism 4 is arranged on the top of the machine base 1, and a circle of connecting walls 33 are arranged on the outer periphery of the top of the machine base 1. The connecting wall 33 and the plug-in groove 330 are detachably connected through a rotating connection structure. When the machine base 1 and the cup body assembly 2 are assembled in place, the first push rod 61 and the second push rod 64 are arranged vertically correspondingly; through such a setting, the cup body assembly 2 can be disassembled and separated relative to the machine base 1, which is convenient for users to clean the cutting mechanism 4 and convenient for cleaning.

[0039] See also Figures 5 to 8 In one embodiment, the cup body assembly 2 is provided with a locking mechanism 8 that is locked with the base 1, and a handle 25 with an arc-shaped lower portion is provided on the side of the cup body 22. A locking activity channel (not shown) extending to connect to the plug-in slot 330 is provided in the handle 25. The locking mechanism 8 includes a locking push rod 81 with an arc-shaped lower portion provided in the locking activity channel and a locking slot 82 provided on the side of the connecting seat 23. The handle 25 is provided with a control structure 83 for controlling the locking push rod 81 to move relative to each other along the locking activity channel. When the base 1 and the cup body 22 are relatively assembled in place, the locking push rod 81 is controlled by the control structure 83 to be inserted into the locking slot 82 along the locking activity channel, thereby achieving locking between the cup body assembly 2 and the base 1. Through such an arrangement, the cup body assembly 2 and the base 1 can be relatively locked through the locking mechanism 8, and the assembly connection between the two is firm.

[0040] See also Figure 8 In one embodiment, the locking mechanism 8 also includes a limiting fixing member 84, the limiting fixing member 84 is provided with a limiting groove 85, the upper end of the locking push rod 81 is provided with a limiting block 86 placed in the limiting groove 85, the height of the limiting block 86 is less than the height of the limiting groove 85, and an elastic member 87 is provided between the top wall of the limiting groove 85 and the top of the limiting block 86, and the elastic member 87 keeps the locking push rod 81 in a locked state to ensure the locking effect between the machine base 1 and the cup body assembly 2.

[0041] See also Figure 5 and Figure 6 In one embodiment, the rotating connection structure is a rotating card structure, which includes a card protrusion 331 arranged on the outside of the connecting wall 33 and a card groove 232 arranged on the side wall of the plug-in slot 330 and corresponding to the card protrusion 331; through such a setting, the rotating card structure is simple to set, which facilitates the rapid assembly and disassembly between the cup body assembly 2 and the base 1.

[0042] See also Figures 1 to 4In a further embodiment, the insertion port 21 is arranged at the top of the handle 25, the side of the cup cover 3 is arranged at the covering portion 35, the trigger structure 31 is arranged at the bottom of the device covering portion 35, and the trigger structure 31 is a push-out block with a guiding inclined surface on the outer side of the bottom. When the cup cover 3 and the cup body assembly 2 are relatively covered, the covering portion covers the upper side of the handle 25, so that the food processor has a better aesthetic appearance.

[0043] According to the disclosure and teaching of the above description, the technical personnel in the field to which the utility model belongs can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.

Claims

1. A food processor with safety protection, comprising a machine base, a cup body assembly with upper and lower openings, and a cup cover for covering the upper opening of the cup body assembly, wherein the lower opening of the cup body assembly is detachably connected to the machine base, and the machine base is provided with a cutting mechanism extending into the lower opening of the cup body assembly and a motor for driving the cutting mechanism; It is characterized in that A switch associated with the start and stop of the motor is provided in the base, and the switch is provided with a transmission structure matched with the transmission thereof; a push rod channel with an insertion port formed at the top is provided in the cup body assembly, and a push rod movable hole connected to the base is provided at the upper part of the base, and the transmission structure comprises a first push rod vertically movably disposed in the push rod channel and a second push rod disposed in the push rod movable hole, the first push rod and the second push rod are arranged vertically correspondingly, and the lower end of the second push rod is linked to the switch part of the switch; An insertion port connected to the transmission structure is provided on the top of the cup body assembly, and a trigger structure is provided on the cup cover. When the cup cover is closed relative to the cup body assembly, the trigger structure pushes the first push rod through the insertion port, and the first push rod triggers the switch by linking with the second push rod, thereby connecting the start and stop circuit of the motor.

2. The food processing machine with safety protection according to claim 1, It is characterized in that It also includes a control circuit board connected to the motor, and the start-stop circuit is connected between the control circuit board and the power supply circuit.

3. The food processing machine with safety protection according to claim 1, It is characterized in that The insertion port is connected to the top of the cup body assembly and the side along the circumferential direction. When the cup cover is rotated relative to the cup body assembly cover, the trigger structure enters the push rod channel through the insertion port and cooperates with the transmission structure.

4. The food processing machine with safety protection according to claim 3, It is characterized in that A guide portion is provided on the top of the first push rod near the insertion port, and the guide portion is a guide slope provided on the top of the first push rod. When the trigger structure pushes the guide portion through the insertion port, the first push rod moves in a vertical downward direction and triggers the switch through the second push rod.

5. The food processing machine with safety protection according to claim 1, It is characterized in that The inner periphery of the upper end of the push rod movable hole is provided with a guiding inclined surface for facilitating the lower end of the first push rod to be inserted into the push rod movable hole; The upper end of the push rod movable hole is higher than the upper end surface of the second push rod by more than 3 mm, and the inner diameter of the upper end of the push rod movable hole is 2 mm to 5 mm.

6. The food processing machine with safety protection according to claim 1, It is characterized in that A sealing ring is sleeved on the outer side of the second push rod, and the sealing ring is respectively sealed with the outer side of the second push rod and the inner wall of the push rod movable hole. The push rod movable hole is located on the upper side of the sealing ring and is provided with a water leakage hole connected to the outside.

7. The food processing machine with safety protection according to claim 6, It is characterized in that The second push rod is provided with a groove arranged along the circumferential direction, the sealing ring is sleeved in the groove, and the sealing ring is arranged at the upper part, middle part or lower part of the second push rod.

8. The food processing machine with safety protection according to claim 1, It is characterized in that An elastic reset structure is provided in the cup body assembly corresponding to the transmission structure, and the elastic reset structure is used to drive the transmission structure to reset to a side away from the switch when the cup cover is removed; The elastic reset structure is a reset spring, the cup body assembly includes a cup body and a connecting seat arranged on the outer periphery of the lower end of the cup body, a limiting portion is provided at the lower part of the first push rod, the reset spring is sleeved on the lower end of the first push rod, and the two ends of the reset spring are respectively abutted against the limiting portion and the connecting seat.

9. The food processing machine with safety protection according to any one of claims 1 to 7, It is characterized in that The cup body assembly includes a cup body with openings at both ends and a connecting seat arranged on the outer periphery of the lower end of the cup body, a ring-shaped plug-in groove is formed between the connecting seat and the cup body, the cutting mechanism is arranged on the top of the machine base, and a circle of connecting walls is arranged on the outer periphery of the top of the machine base. The connecting wall and the plug-in groove are detachably connected through a rotating connecting structure. When the machine base and the cup body assembly are assembled in place, the first push rod and the second push rod are arranged vertically correspondingly.

10. The food processor with safety protection according to claim 9, It is characterized in that The cup body assembly is provided with a locking mechanism that cooperates with the machine base for locking, the side of the cup body is provided with a handle with an arc-shaped lower portion, the handle is provided with a locking movable channel extending to connect to the plug-in slot, the locking mechanism includes a locking push rod with an arc-shaped lower portion provided in the locking movable channel and a locking slot provided on the side of the connecting seat, the handle is provided with a control structure for controlling the locking push rod to move relative to the locking movable channel, and when the machine base and the cup body are relatively assembled in place, the locking push rod is controlled by the control structure to be inserted into the locking slot along the locking movable channel, thereby achieving locking between the cup body assembly and the machine base.

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