Waterproof mechanism for tool apron of stirring machine
By designing probe joints, safety switches and wires on the mixer tool holder and filling glue in the installation tank, the problem of poor waterproofness of the existing mixer tool holder is solved, achieving higher waterproofness and easy cleaning effect.
Patent Information
- Application Number
- CN202420578256.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The tool holder part of the existing mixer is not waterproof, and it is easy to cause short-circuit damage to the electronic components during cleaning or use.
A waterproof mechanism for the mixer knife holder is designed. By installing a probe joint, a safety switch and a wire on the knife holder body, and filling the glue in the installation groove, a sealing structure is formed to prevent moisture from infiltration.
It effectively improves the waterproofness of the probe connector, wire and safety switch in the tool holder, avoids damage caused by water inlet, and is convenient for users to clean.
Smart Images

Figure CN222584322U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixers, in particular to a waterproof mechanism for a blade seat of a mixer. Background Art
[0002] Kitchen blenders can be used to blend vegetables, fruits, batter and other ingredients. Currently, the blade holder of blenders on the market includes several electronic components such as safety switches, and the electronic components are electrically connected through wires. Some existing blenders have poor waterproof properties for the electronic components in the blade holder and the metal conductive parts at the ends of the wires. When the blade holder is used, water may accidentally enter the blade holder, causing short circuits and damage to the electronic components. When consumers clean or wipe the blender with a wet cloth, water may easily enter the blade holder, causing damage to the electronic components. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] The problem to be solved by the utility model is to provide a waterproof mechanism for a blade seat of a mixer. The probe connector, the wire and the safety switch in the blade seat are not easily damaged by water and have good waterproof performance, which is convenient for users to clean.
[0005] (II) Technical solution
[0006] In order to solve the technical problem, the utility model provides a waterproof mechanism for a blender knife holder, comprising: a knife holder suitable for being installed between a blender host and a blending cup, the knife holder comprising a seat body and a blending knife rotatably arranged on the seat body, a probe connector and a safety switch being arranged on the seat body, an electrical signal connector corresponding to the probe connector being arranged on the blender host body, the safety switch corresponding to the blending cup, the safety switch being actuated and closed when the blending cup and the knife holder are assembled in place, a wire being electrically connected between the probe connector and the safety switch, a first mounting groove, a second mounting groove and a third mounting groove being arranged on the seat body, the probe connector being placed in the first mounting groove, the safety switch being placed in the second mounting groove, the wire being placed in the third mounting groove, and the first mounting groove, the second mounting groove and the third mounting groove being filled with potting glue; according to the utility model, the waterproof mechanism for the blender knife holder is characterized in that the probe connector, the wire and the safety switch in the knife holder are not easily damaged by water, have good waterproof performance and are convenient for users to clean.
[0007] Further, the probe connector includes a first probe connector and a second probe connector, the safety switch includes a first safety switch and a second safety switch, the wire includes a first wire and a second wire, the first wire is electrically connected between the first probe connector and the first safety switch, the second wire is electrically connected between the second probe connector and the second safety switch, and a third wire is electrically connected between the first safety switch and the second safety switch.
[0008] Furthermore, a fourth installation groove for installing the third wire is provided on the seat body, and potting glue is filled in the fourth installation groove.
[0009] Furthermore, a thermistor is disposed on the base body, the thermistor is electrically connected to the third wire, a fifth mounting groove for mounting the thermistor is disposed on the base body, and potting glue is filled in the fifth mounting groove.
[0010] Furthermore, the seat body is provided with a plurality of convex ribs for positioning the safety switch, and the safety switch is positioned between the plurality of convex ribs.
[0011] Furthermore, two of the convex ribs are oppositely provided with buckle parts for fixing the safety switch.
[0012] Furthermore, a fixing rib for fixing the wire is provided in the third mounting groove.
[0013] Furthermore, the first mounting slot, the second mounting slot and the third mounting slot are connected.
[0014] Furthermore, the knife seat is threadedly connected to the mixing cup, a sealing ring is provided on the seat body, a pressing contact is provided on the upper part of the safety switch, and an arc-shaped protrusion corresponding to the pressing contact is provided on the sealing ring.
[0015] Furthermore, the probe connector is interference fit with the seat body, the probe connector passes through the seat body and an extension portion is formed at the bottom of the seat body.
[0016] (III) Beneficial effects
[0017] The utility model discloses a waterproof mechanism for a blender knife seat, wherein a probe connector, a wire and a safety switch in the knife seat are not easily damaged by water, and the waterproof property is good, so that the user can wash them by flushing or using a dishwasher; a fixing rib for fixing the wire is arranged in the third installation groove, and the wire is not easily displaced; a plurality of convex ribs for positioning the safety switch are arranged on the seat body, and the safety switch is positioned between the plurality of convex ribs, and the safety switch is firmly installed; two of the convex ribs are oppositely provided with buckle parts for fixing the safety switch, and the installation and operation of the safety switch are simple, and the structure is firmly installed; the first installation groove, the second installation groove and the third installation groove are connected, so that the glue filling in the first installation groove, the second installation groove and the third installation groove can be integrally formed, and the glue filling is convenient; a sealing ring is arranged on the seat body, so that the blending cup is sealed after being screwed into the knife seat, so that the food in the blending cup is prevented from leaking, and the use is reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the mixer main body, the knife seat and the mixing cup in the utility model of the knife seat waterproof mechanism of the mixer in which they are assembled in place;
[0019] Figure 2 This is a structural schematic diagram of a mixer main unit in a mixer blade holder waterproof mechanism of the utility model;
[0020] Figure 3 It is a cross-sectional view of the knife holder and the mixing cup after being assembled in the knife holder waterproof mechanism of the mixer of the utility model;
[0021] Figure 4 It is a cross-sectional view of the knife seat of the waterproof mechanism of the knife seat of the mixer of the utility model;
[0022] Figure 5 It is a three-dimensional diagram of the knife seat of the waterproof mechanism of the knife seat of the mixer of the utility model;
[0023] Figure 6 This is a schematic diagram of the structure inside the waterproof mechanism of the blade holder of the mixer according to the utility model;
[0024] Figure 7 for Figure 6 Enlarged view of part A in the middle;
[0025] Figure 8 This is a structural schematic diagram of the waterproof mechanism bracket of the mixer knife seat of the utility model;
[0026] The corresponding component names of the various figure marks in the figure are: 1 is a seat, 11 is a base, 12 is a bracket, 13 is an upper cover, 101 is a first mounting groove, 102 is a second mounting groove, 103 is a third mounting groove, 1031 is a fixing rib, 104 is a fourth mounting groove, 105 is a fifth mounting groove, 106 is a convex rib, 107 is a buckle portion, 1071 is a guide slope, 2 is a blender main body, 3 is a blending cup, 4 is a blending knife, 5 is a probe connector, 501 is an extension portion, 6 is a safety switch, 601 is a pressing contact, 7 is a wire, 71 is a first wire, 72 is a second wire, 73 is a third wire, 8 is a thermistor, 9 is a sealing ring, 901 is an arc-shaped protrusion, 14 is a clamping portion, and 15 is a clamping groove. DETAILED DESCRIPTION
[0027] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0028] See also Figure 1-Figure 8The utility model provides a waterproof mechanism for a blender knife holder, comprising: a knife holder suitable for being installed between a blender host 2 and a blending cup 3, the knife holder comprising a seat body 1 and a blending knife 4 rotatably arranged on the seat body 1, a probe connector 5 and a safety switch 6 are arranged on the seat body 1, an electric signal connector 201 corresponding to the probe connector 5 is arranged on the blender host 2, the blender host 2 and the knife holder are detachably connected, when the blender host 2 and the knife holder are assembled, the bottom of the probe connector 5 is abutted against the upper end of the electric signal connector 201 for conduction, when the blender host 2 and the knife holder are separated, the probe connector 5 is connected to the electric signal connector 201, and the electric signal connector 201 is connected to the probe connector 5. The head 201 is separated and disconnected; the safety switch 6 corresponds to the stirring cup 3. When the stirring cup 3 and the knife holder are assembled in place, the safety switch 6 is actuated and closed. When the stirring cup 3 and the knife holder are separated, the safety switch 6 is normally open; a wire 7 is electrically connected between the probe connector 5 and the safety switch 6, and a first mounting groove 101, a second mounting groove 102 and a third mounting groove 103 are provided on the seat body 1. The probe connector 5 is placed in the first mounting groove 101, the safety switch 6 is placed in the second mounting groove 102, and the wire 7 is placed in the third mounting groove 103. The first mounting groove 101, the second mounting groove 102 and the third mounting groove 103 are electrically connected. The three installation grooves 103 are filled with potting glue. After the electronic components such as the probe connector 5, the safety switch 6 and the wire 7 are installed in the corresponding installation grooves, the corresponding installation grooves are filled with glue so that the potting glue covers the exposed conductive parts of the probe connector 5, the safety switch 6 and the wire 7 to achieve a waterproof effect. The two ends of the wire in this embodiment have exposed metal conductive parts; the upper end glue surface formed after potting is flush with or slightly lower than the notch height of the corresponding installation groove; the potting glue in this embodiment is polyurethane potting glue, silicone potting glue or epoxy resin potting glue; the mixer of the utility model The knife holder has a waterproof mechanism, and the probe connector, wire and safety switch in the knife holder are not easily damaged by water. The waterproof performance is good, and the user can wash them by flushing or dishwasher. When in use, the mixer main body 2 and the knife holder are assembled in place, and the mixing cup 3 and the knife holder are assembled in place. At this time, the power switch on the mixer main body 2 is pressed, and the mixer can be powered on and started. The use safety is high, and accidents when the components are not assembled in place can be avoided. The mixer main body 2 and the knife holder are detachably rotatably connected, and a clamping portion 14 is provided on the knife holder, and a clamping groove 15 corresponding to the clamping portion 14 is provided on the mixer main body 2.
[0029] See also Figure 3-Figure 8The probe connector 5 includes a first probe connector 51 and a second probe connector 52, and correspondingly, two first mounting grooves 101 are provided; the safety switch 6 includes a first safety switch 61 and a second safety switch 62, and correspondingly, two second mounting grooves 102 are provided; the wire 7 includes a first wire 71 and a second wire 72, and correspondingly, two third mounting grooves 103 are provided; the first wire 71 is electrically connected between the first probe connector 51 and the first safety switch 61, the second wire 72 is electrically connected between the second probe connector 52 and the second safety switch 62, and the first safety switch 61 and the second safety switch 62 are electrically connected. The third wire 73 is electrically connected between the two ends of the base 1; two electrical signal connectors 201 are correspondingly provided. When the two electrical signal connectors 201 are connected through the electronic components on the knife holder, the power button is pressed and the mixer can be started. The structural design is reasonable and the safety is high. A fourth installation groove 104 for installing the third wire 73 is provided on the base 1. The fourth installation groove 104 is filled with potting glue, which has good waterproof performance. The exposed conductive parts at both ends of the third wire 73 are not easy to malfunction when exposed to water. The base 1 includes a base 11, a bracket 12 and an upper cover 13. The base 11, the bracket 12 and the upper cover 13 are fixed, and the bracket 12 is placed on the base 11 and the upper cover 13, the probe connector 5, the safety switch 6 and the wire 7 are all arranged on the bracket 12; a thermistor 8 is arranged on the base 1, and the thermistor 8 in this embodiment is an NTC thermistor to form an NTC thermistor protection circuit; specifically, the thermistor 8 is used to sense the temperature and transmit the temperature signal to the control board on the mixer host 2, and the control board of the mixer host 2 controls the power on / off of the mixer host 2 according to the temperature sensed by the thermistor 8, the thermistor 8 is electrically connected to the third wire 73, and a fifth installation groove 105 for installing the thermistor 8 is provided on the base 1, and the thermistor 8 and The electrical connection part of the third wire 73 is placed in the fifth mounting groove 105, and the first mounting groove, the second mounting groove, the third mounting groove, the fourth mounting groove and the fifth mounting groove are connected; the fifth mounting groove 105 is filled with potting glue to waterproof the conductive part in the fifth mounting groove 105; when the temperature of the food in the blender cup is too high, this part of the heat will be transferred to the thermistor 8. When the thermistor 8 detects that the temperature exceeds the preset temperature, the blender host 2 is powered off for protection to avoid overheating and damage to the blender; when the thermistor 8 detects that the temperature is lower than the preset temperature, the blender host 2 is powered on to improve safety.
[0030] See also Figure 4 , Figure 6 and Figure 7The seat body 1 is provided with a plurality of convex ribs 106 for positioning the safety switch 6. The safety switch 6 is positioned between the plurality of convex ribs 106, and the safety switch 6 is firmly installed. Two of the convex ribs 106 are oppositely provided with buckle portions 107 for fixing the safety switch 6. The safety switch 6 is easy to install and operate, and has a stable structure after installation. The upper end of the buckle portion 107 is provided with a guide inclined surface 1071 for guiding the safety switch 6 downward for installation. A fixing rib 1031 for fixing the wire 7 is provided in the third installation groove 103, and the wire 7 is not easily displaced.
[0031] See also Figure 8 The first mounting groove 101, the second mounting groove 102 and the third mounting groove 103 are connected, so that the glue filling in the first mounting groove 101, the second mounting groove 102 and the third mounting groove 103 can be integrally formed, and the glue filling is convenient.
[0032] See also Figure 1-Figure 5 The knife holder is threadedly connected to the mixing cup 3, and a sealing ring 9 is provided on the seat body 1, so that the mixing cup 3 is sealed after being screwed into the knife holder to prevent food leakage in the mixing cup 3, and the use is reliable; a cylindrical upwardly protruding pressing contact 601 is provided on the upper part of the safety switch 6, and an arc-shaped protrusion 901 corresponding to the pressing contact 601 is provided on the sealing ring 9. When the mixing cup 3 and the knife holder are assembled in place, the bottom of the mixing cup 3 presses down the arc-shaped protrusion 901 and the pressing contact 601, so that the safety switch 6 is closed. The sealing ring 9 is made of rubber or silicone. When the mixing cup 3 is screwed out of the knife holder, the arc-shaped protrusion 901 and the pressing contact 601 are reset upward, and the structural design is reasonable.
[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 8 The probe connector 5 is interference fit with the base body 1, and a through hole for installing the probe connector 5 is provided on the base body 1. The probe connector 5 passes through the base body 1 and an extension portion 501 is formed at the bottom of the base body 1. When the knife seat and the mixer host 2 are assembled in place, the lower part of the extension portion 501 is used to abut against the electrical signal connector 201; the probe connector 5 is made of conductive metal, and the upper part of the probe connector 5 is placed in the first installation groove 101 and is electrically connected to the corresponding wire. The electrical connection parts at both ends of the wire are electrically connected to other electronic components by soldering, and the electrical connection part is provided with corresponding welding feet.
[0034] The utility model discloses a waterproof mechanism for a blender knife seat, wherein a sealing ring is arranged on the seat body, so that the blending cup is sealed after being screwed into the knife seat, thereby preventing food in the blending cup from leaking, and the blending cup is reliable to use; the probe connector, the wire and the safety switch in the knife seat are not easily damaged by water, and have good waterproof performance, so that the user can wash them by flushing or using a dishwasher; a fixing rib for fixing the wire is arranged in the third installation groove, so that the wire is not easily displaced; a plurality of convex ribs for positioning the safety switch are arranged on the seat body, and the safety switch is positioned between the plurality of convex ribs, so that the safety switch is firmly installed; buckle parts for fixing the safety switch are arranged opposite to each other, so that the safety switch is easy to install and operate, and has a firm structure after installation; the first installation groove, the second installation groove and the third installation groove are connected, so that the glue filling in the first installation groove, the second installation groove and the third installation groove can be integrally formed, and the glue filling is convenient.
[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A waterproof mechanism for a blender blade holder, comprising: A knife holder suitable for being installed between a main unit (2) of a blender and a blending cup (3), the knife holder comprising a seat body (1) and a blending knife (4) rotatably arranged on the seat body (1), characterized in that a probe connector (5) and a safety switch (6) are arranged on the seat body (1), an electrical signal connector (201) corresponding to the probe connector (5) is arranged on the main unit (2) of the blender, the safety switch (6) corresponds to the blending cup (3), and when the blending cup (3) and the knife holder are assembled in place, the safety switch (6) is activated and closed, and the probe connector (5) is in contact with the blade holder. A wire (7) is electrically connected between the needle connector (5) and the safety switch (6); a first mounting groove (101), a second mounting groove (102) and a third mounting groove (103) are provided on the seat body (1); the probe connector (5) is placed in the first mounting groove (101); the safety switch (6) is placed in the second mounting groove (102); the wire (7) is placed in the third mounting groove (103); and the first mounting groove (101), the second mounting groove (102) and the third mounting groove (103) are filled with potting glue.
2. The waterproof mechanism for a mixer blade holder according to claim 1, characterized in that: The probe connector (5) comprises a first probe connector (51) and a second probe connector (52); the safety switch (6) comprises a first safety switch (61) and a second safety switch (62); the wire (7) comprises a first wire (71) and a second wire (72); the first wire (71) is electrically connected between the first probe connector (51) and the first safety switch (61); the second wire (72) is electrically connected between the second probe connector (52) and the second safety switch (62); and a third wire (73) is electrically connected between the first safety switch (61) and the second safety switch (62).
3. The waterproof mechanism for a mixer blade holder according to claim 2, characterized in that: The seat body (1) is provided with a fourth installation groove (104) for installing the third wire (73), and the fourth installation groove (104) is filled with potting glue.
4. The waterproof mechanism for a blender blade holder according to claim 2, characterized in that: The base body (1) is provided with a thermistor (8), the thermistor (8) being electrically connected to the third wire (73), the base body (1) being provided with a fifth mounting groove (105) for mounting the thermistor (8), the fifth mounting groove (105) being filled with potting glue.
5. The waterproof mechanism for a blender blade holder according to claim 1, characterized in that: The seat body (1) is provided with a plurality of convex ribs (106) for positioning the safety switch (6), and the safety switch (6) is positioned between the plurality of convex ribs (106).
6. The waterproof mechanism for a blender blade holder according to claim 5, characterized in that: Two of the convex ribs (106) are oppositely provided with buckle portions (107) for fixing the safety switch (6).
7. The waterproof mechanism for a blender blade holder according to claim 1, characterized in that: A fixing rib (1031) for fixing the wire (7) is arranged in the third installation groove (103).
8. The waterproof mechanism for a mixer blade holder according to claim 1, characterized in that: The first installation groove (101), the second installation groove (102) and the third installation groove (103) are connected.
9. The waterproof mechanism for a blender blade holder according to claim 1, characterized in that: The knife seat is threadedly connected to the stirring cup (3); a sealing ring (9) is provided on the seat body (1); a pressing contact (601) is provided on the upper part of the safety switch (6); and an arc-shaped protrusion (901) corresponding to the pressing contact (601) is provided on the sealing ring (9).
10. The waterproof mechanism for a blender blade holder according to claim 1, characterized in that: The probe connector (5) is interference-fitted with the seat body (1); the probe connector (5) passes through the seat body (1) and an extension portion (501) is formed at the bottom of the seat body (1).