Food processing appliance with structure capable of quickly replacing tool bit

Abstract

The utility model relates to the technical field of food processing appliances, in particular to a food processing appliance with a structure capable of quickly replacing a tool bit, which not only can realize quick disassembly and assembly of the tool bit, disassembly of the tool bit after food is processed, effective cleaning of dead angles of the tool bit and elimination of food residues, but also can ensure the coaxiality of the tool bit and a tool connecting shaft, and can ensure the quality of food. Noise generated when the tool bit rotates at a high speed along with the tool connecting shaft is greatly reduced; comprising a food processing appliance; the food processing tool further comprises a connecting shaft, a tool bit and a connecting mechanism, the connecting shaft is installed on the food processing tool and drives the tool bit to rotate, the tool bit is installed on the connecting shaft and cuts food, and the connecting mechanism is installed on the tool bit and improves the connectivity of the connecting shaft and the tool bit.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of food processing appliances, in particular to a food processing appliance with a structure of quick replacement of tool bits. BACKGROUND

[0002] At present, known food processing appliances such as soybean milk machines, wall breaking machines and food processors are difficult to clean the tool bit part when processing is completed, and food residues accumulate in the difficult-to-clean part of the tool bit, which is prone to mold, carries bacteria, affects the taste of food and is not conducive to health in long-term use.

[0003] The existing food processing appliance quick replacement tool bit structure, for example, the utility model patent with the application number 201721502145.7 discloses a tool bit convenient to replace soybean milk machine, its main structure includes the base, the top of the base is fixedly connected with the shell, the top of the base is fixedly connected with the motor inside the shell, the output shaft of the motor is fixedly connected with the fixed block through the shaft coupling, the top of the fixed block is provided with a clamping groove, the inside of the shell and the inside of the shell are both threadedly connected with the threaded block, the bottom of the rotating block is fixedly connected with the clamping block and the sliding block respectively; in use, the user presses the fixed groove on the contact block, rotates, drives the connecting plate and the threaded block to rotate and disengage from the shell and the shell, replaces the tool bit by rotating the limiting block, and tightens the tool bit by rotating the limiting block and the pressure block, the surface of the clamping block is connected with the inner wall of the clamping groove, which plays a limiting role, the surface of the sliding block is connected with the inner wall of the sliding groove, and the user presses the fixed groove on the contact block, rotates, drives the connecting plate and the threaded block to rotate and is threadedly fixed with the shell and the shell.

[0004] However, the existing food processing appliance is more troublesome to replace the tool bit, and it is difficult to quickly replace the tool bit, and it is difficult to ensure the coaxiality of the tool bit and the tool connecting shaft after replacing the tool bit, which is prone to noise in subsequent use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a food processing appliance with a structure of quick replacement of tool bits, which can not only realize quick disassembly and assembly of tool bits, but also can effectively clean the dead angle of the tool bit after processing food, prevent food residues, ensure the coaxiality of the tool bit and the tool connecting shaft, and greatly reduce the noise of the tool bit when following the tool connecting shaft at high speed.

[0006] The utility model discloses a food processing utensil with the structure of quick replacement tool bit, including food processing utensil, still including connecting shaft, tool bit and connecting mechanism, connecting shaft installs on food processing utensil and drives tool bit rotation, tool bit installs on connecting shaft and carries out cutting to food, and connecting mechanism installs on tool bit and improves the connectivity of connecting shaft and tool bit, starts food processing utensil, and food processing utensil drives tool bit rotation through connecting shaft, and tool bit rotation carries out cutting to food, when needing to replace, lifts tool bit, and convenient cleaning and replacement to tool bit are carried out, and the connectivity of connecting shaft and tool bit is enhanced through setting connecting mechanism, and it is convenient that connecting shaft drives tool bit rotation.

[0007] Preferably, the connecting shaft comprises a threaded segment, a clamping spring segment, a key segment and a tapered connecting segment, the threaded segment is threadedly connected with the base of the food processing utensil, the bottom end of the clamping spring segment is connected with the top end of the threaded segment, two groups of clamping spring grooves are formed in the clamping spring segment, the bottom end of the key segment is connected with the top end of the clamping spring segment, the bottom end of the tapered connecting segment is connected with the top end of the key segment, and a clamping spring groove is formed in the tapered connecting segment; the threaded segment is threadedly connected with the base of the food processing utensil, so that the threaded segment rotates with the motor in the food processing utensil, and the connecting shaft is installed on the heating disc at the bottom of the food processing utensil through the cooperation of the clamping spring and the two groups of clamping spring grooves in the clamping spring segment.

[0008] Preferably, the tool bit comprises a tool seat, a first blade, a second blade and a lifting ring, the tool seat is installed on the tapered connecting segment, the tool seat is internally provided with a tapered hole, a clamping spring groove and a key groove, the height of the cone body H is 3-20 mm, the angle of the cone body ∠a is 20-89°, the width of the clamping spring groove C is X+0.1--X+2 mm, the diameter of the clamping spring groove B is X+0.1--X+2 mm, the bottom end of the first blade is connected with the top end of the tool seat, the bottom end of the second blade is connected with the top end of the first blade, and the lifting ring is installed on the second blade; the tapered hole of the tool seat is consistent with the tapered structure angle of the tapered connecting segment, and a certain gap is left between the top end of the tapered connecting segment and the inner top end of the tapered hole of the tool seat, so as to prevent the installation from being out of place after foreign matters are clamped, when the tool bit is installed, the tapered hole is aligned with the tapered connecting segment, and then the tool bit is installed downward, the first blade and the second blade cut food through the rotation of the tool bit driven by the threaded segment and the connection of the key groove and the connecting mechanism, when the tool seat is disassembled, the lifting ring is pulled by hand, the tool seat is separated from the tapered connecting segment by pulling the lifting ring with light force, and the dead angle part can be fully cleaned when the tool bit is disassembled.

[0009] Preferably, the connecting mechanism comprises a C-shaped clamp spring, the C-shaped clamp spring is installed in the clamp spring groove of the tool holder, the C-shaped clamp spring is made of round steel wire, has an inner diameter Z, an outer diameter Y and a wire diameter X, the wire diameter X is 0.8-2.0 mm, the ratio of the opening distance of the C-shaped clamp spring to the circumference of the C-shaped clamp spring is 1:2-1:3, and the size relationship of the C-shaped clamp spring is Z<A<B<Y; the C-shaped clamp spring is installed in the clamp spring groove of the tool holder, the tool holder is pressed downward, the C-shaped clamp spring contacts the tapered connecting section, the diameter of the C-shaped clamp spring is increased, when the force reaches a certain degree, the C-shaped clamp spring passes through the maximum diameter A of the clamp spring groove of the tapered connecting section and is clamped into the clamp spring groove of the tapered connecting section, at this time, the inward shrinking force of the C-shaped clamp spring is converted into the force for pushing the tapered connecting section upward, and this state keeps the tool holder and the tapered connecting section in close fit, thereby ensuring the coaxiality of the tool holder and the clamp spring section and greatly reducing the noise of the tool head when the tool head rotates at a high speed along the connecting shaft.

[0010] Preferably, the connecting mechanism further comprises a star head, the star head is sleeved at the star convex section and is attached to the inside of the star groove of the tool holder; the tool holder is pressed downward to make the star head closely fit with the star groove of the tool holder, and the star head rotates along the star convex section by means of the non-complete circular structure.

[0011] Compared with the prior art, the food processing appliance is started, the food processing appliance drives the tool head to rotate through the connecting shaft, the tool head rotates to cut food, the tool head is lifted when it needs to be replaced, the tool head is conveniently cleaned and replaced, the connecting mechanism is arranged to enhance the connectivity of the connecting shaft and the tool head, and the connecting shaft drives the tool head to rotate conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a partial enlarged front view of the sectional structure of the utility model;

[0013] Figure 2 is an axonometric structure schematic view of the connecting shaft of the utility model;

[0014] Figure 3 is an axonometric structure schematic view of the tool head of the utility model;

[0015] Figure 4 is a partial enlarged front view of the sectional structure of the connecting shaft and the connecting mechanism of the utility model;

[0016] Figure 5 is an axonometric structure schematic view of the connecting mechanism of the utility model.

[0017] Markings in the drawings: 01, food processing appliance; 02, connecting shaft; 21, threaded section; 22, clamp spring section; 23, star convex section; 24, tapered connecting section; 03, tool head; 31, tool holder; 32, first blade; 33, second blade; 34, lifting ring; 04, connecting mechanism; 41, C-shaped clamp spring; 42, star head. DETAILED DESCRIPTION

[0018] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] Example 1

[0020] The utility model discloses a food processing utensil with the structure of quick replacement tool bit, including food processing utensil 01, still including connecting shaft 02, tool bit 03 and connecting mechanism 04, connecting shaft 02 is installed on food processing utensil 01 and drives tool bit 03 to rotate, tool bit 03 is installed on connecting shaft 02 and carries out cutting to food, and connecting mechanism 04 is installed on tool bit 03 and improves the connectivity of connecting shaft 02 and tool bit 03, connecting shaft 02 includes threaded section 21, snap spring section 22, plum blossom convex section 23 and taper connecting section 24, threaded section 21 is connected in the base of food processing utensil 01, and the bottom of snap spring section 22 is connected with the top of threaded section 21, and two groups of snap spring grooves are opened on snap spring section 22, the bottom of plum blossom convex section 23 is connected with the top of snap spring section 22, the bottom of taper connecting section 24 is connected with the top of plum blossom convex section 23, and snap spring groove is opened on taper connecting section 24, tool bit 03 includes tool seat 31, first blade 32, second blade 33 and lifting ring 34, tool seat 31 is installed on taper connecting section 24, and the inside of tool seat 31 is provided with taper hole, snap spring groove and plum blossom groove, and the height of cone body H = 3-20mm, the angle of cone body ∠a = 20-89 DEG, the width of snap spring groove C = snap spring line diameter X + 0.1 -- X + 2mm, the diameter of snap spring groove B, the bottom of first blade 32 is connected with the top of tool seat 31, the bottom of second blade 33 is connected with the top of first blade 32, and lifting ring 34 is installed on second blade 33, connecting mechanism 04 includes C type snap spring 41, and C type snap spring 41 is installed in the snap spring groove of tool seat 31, and C type snap spring is round steel wire material, and the inside diameter Z, the outside diameter Y, the line diameter X, and the line diameter X = 0.8-2.0mm, the ratio of the opening distance of the C-shaped clamp spring 41 to the circumference of the clamp spring is 1:2-1:3, and the size relationship of the C-shaped clamp spring 41 is Z<A<B<Y; during operation, first, the threaded section 21 is threadedly connected to the base of the food processing appliance 01, so that the threaded section 21 rotates with the motor in the food processing appliance 01, and the connecting shaft 02 is installed on the heating disc at the bottom of the food processing appliance 01 by cooperation and installation of the clamp spring and the two groups of clamp spring grooves on the clamp spring section 22. The conical hole of the knife seat 31 is consistent with the conical structure angle of the conical connecting section 24, and there is a certain gap between the top end of the conical connecting section 24 and the inner top end of the conical hole of the knife seat 31, which prevents the installation from being out of place after foreign matter is stuck. When installing the tool bit 03, the conical hole is aligned with the conical connecting section 24, and is installed downward, and the tool bit 03 is rotated by the keyway and the connecting mechanism 04 to facilitate the rotation of the threaded section 21. The C-shaped clamp spring 41 is installed in the clamp spring groove of the knife seat 31, and the knife seat 31 is pressed downward, and the C-shaped clamp spring 41 will contact the conical connecting section 24, so that the diameter of the C-shaped clamp spring 41 increases. When the force reaches a certain degree, the C-shaped clamp spring 41 will pass through the maximum diameter A of the clamp spring groove of the conical connecting section 24, and will be clamped into the clamp spring groove of the conical connecting section 24. At this time, the inward shrinking force of the C-shaped clamp spring 41 will be transformed into the force of pushing the conical connecting section 24 upward. This state will keep the knife seat 31 tightly matched with the conical connecting section 24, so as to ensure the coaxiality of the knife seat 31 and the clamp spring section 22, greatly reduce the noise of the tool bit 03 when following the high-speed rotation of the connecting shaft 02, and cut the food by the first blade 32 and the second blade 33. When disassembling the knife seat 31, the lifting ring 34 is pulled by hand, and the lifting ring 34 is pulled with light force, so that the knife seat 31 is separated from the conical connecting section 24. The tool bit 03 can be fully cleaned when disassembled.

[0021] Example 2

[0022] As Figures 1 to 5The utility model discloses a food processing utensil with quick replace tool bit structure, on the basis of embodiment 1, the connecting mechanism 04 still includes plum blossom head 42, and the plum blossom head 42 is sleeved at plum blossom convex section 23 and is attached with the plum blossom groove inside the tool holder 31, when working, first, the threaded section 21 is connected with the food processing utensil 01 base screw thread, makes the threaded section 21 follow the motor rotation in the food processing utensil 01, installs the connecting shaft 02 on the food processing utensil 01 bottom heating disc through the two groups of snap spring groove cooperation installation of snap spring and snap spring section 22, the taper hole of tool holder 31 and the taper structure angle of taper connecting section 24 are identical, and the top of taper connecting section 24 and the inside top of the taper hole of tool holder 31 leave a certain gap, prevent the installation from not being in place after being stuck by foreign matter, when installing tool bit 03, make the taper hole align taper connecting section 24, install downward, the threaded section 21 is connected through plum blossom groove and connecting mechanism 04 and is convenient to rotate with tool bit 03, install C type snap spring 41 in the snap spring groove of tool holder 31, press tool holder 31 downward, and C type snap spring 41 will contact taper connecting section 24, make C type snap spring 41 diameter increase, when the force reaches a certain degree, C type snap spring 41 will pass through the maximum diameter A of taper connecting section 24 snap spring groove and is snapped into the snap spring groove of taper connecting section 24, at this time, the force of the inward shrink of C type snap spring 41 will be changed into the force of pushing taper connecting section 24 upward, and this state will keep tool holder 31 and taper connecting section 24 tightly cooperate, thereby guaranteeing the coaxial degree of tool holder 31 and snap spring section 22, greatly reduce the noise of tool bit 03 when following the high-speed rotation of connecting shaft 02, tool holder 31 presses down and makes plum blossom head 42 and the plum blossom groove of tool holder 31 tightly cooperate, rely on the incomplete circle structure and make it follow plum blossom convex section 23 rotation, first blade 32 and second blade 33 cut food, when disassembling tool holder 31, hold the lifting ring 34 with hand, and pull the lifting ring 34 gently, so that tool holder 31 can be separated from taper connecting section 24, and tool bit 03 can be disassembled and cleaned thoroughly.

[0023] The above only is the preferred implementation of the utility model, should point out, for ordinary technical personnel in this technical field, on the premise of not departing from the technical principle of the utility model, can also make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A food processing appliance having a structure for quick change of the head, comprising a food processing appliance (01); characterized by, Also include connecting shaft (02), cutter head (03) and connecting mechanism (04), connecting shaft (02) is installed on food processing tool (01) and drive cutter head (03) rotation, cutter head (03) is installed on connecting shaft (02) and cut food, connecting mechanism (04) is installed on cutter head (03) and improve the connectivity of connecting shaft (02) and cutter head (03); Connecting shaft (02) includes threaded section (21), circlip section (22), key segment (23) and taper connecting section (24), threaded section (21) is connected with food processing tool (01) base screw, the bottom end of circlip section (22) is connected with the top end of threaded section (21), two groups of circlip groove are opened on circlip section (22), the bottom end of key segment (23) is connected with the top end of circlip section (22), the bottom end of taper connecting section (24) is connected with the top end of key segment (23), taper connecting section (24) is opened with circlip groove; Cutter head (03) includes tool holder (31), first blade (32), second blade (33) and lifting ring (34), tool holder (31) is installed on taper connecting section (24), the inside of tool holder (31) is provided with taper hole, circlip groove and key groove, the height of cone H=3-20mm, the angle of cone ∠a=20-89°, the width of circlip groove C=circlip diameter X+0.1--X+2mm, the diameter of circlip groove B, the bottom end of first blade (32) is connected with the top end of tool holder (31), the bottom end of second blade (33) is connected with the top end of first blade (32), lifting ring (34) is installed on second blade (33); Connecting mechanism (04) includes C type circlip (41), C type circlip (41) is installed in the circlip groove of tool holder (31), C type circlip is round steel wire material, inner diameter Z, outer diameter Y, wire diameter X, wire diameter X=0.8-2.0mm, the opening distance of C type circlip (41) and the circumference ratio of circlip is 1:2-1:3, the maximum diameter A of taper connecting section (24) circlip groove, the size relationship of C type circlip (41) is Z Connecting mechanism (04) also includes key head (42), key head (42) is sleeved at key segment (23) and is attached with the inside of tool holder (31) key groove.

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