Rotation driving structure and water outlet device

Abstract

The invention relates to the field of household appliances, and discloses a rotation driving structure and a water outlet device. The rotary driving structure is compact and reasonable, the arrangement space can be saved, the occupation of the internal space of the water outlet column is reduced, the internal space of the water outlet column is optimized, and the layout of the water inlet pipe and the electric wire is easier. The rotation driving structure is applied to the water outlet device, the water outlet device comprises a water outlet column and a faucet, the faucet is rotatably arranged at the top of the water outlet column through the rotation driving structure, the rotation driving structure comprises a driving part and a transmission mechanism, the driving part is fixed to the water outlet column, and an output shaft of the driving part is arranged in an offset mode relative to the axial direction of the water outlet column. The transmission mechanism is arranged in the water outlet column, and the driving piece drives the faucet to rotate through the transmission mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of household electrical appliances, and in particular to a rotary drive structure and a water outlet device. Background Art

[0002] The automatic water-adding electric kettle is a smart appliance that integrates the functions of automatic water filling, water boiling, heat preservation, tea brewing, etc. It is suitable for various occasions such as home and office. The automatic water-adding electric kettle usually consists of a kettle body and a base. The kettle body is placed on the base, and a water outlet column is also provided on the base. The upper end of the water outlet column is a rotatable faucet to add water to the kettle body.

[0003] The faucet of the existing electric kettle is driven to rotate by a motor, but the rotation drive structure of the faucet is not arranged at an appropriate position, so that the internal space of the faucet and the water outlet is small, resulting in difficulty in arranging the water inlet pipe and wires. Summary of the invention

[0004] In view of this, the present invention provides a rotation drive structure and a water outlet device to solve the problem that the rotation drive structure of the existing electric kettle faucet is set at an unreasonable position, which makes it difficult to arrange the water inlet pipe and wires.

[0005] In a first aspect, the present invention provides a rotation drive structure, which is applied to a water outlet device, wherein the water outlet device comprises a water outlet column and a faucet, wherein the faucet is rotatably arranged on the top of the water outlet column through the rotation drive structure, and the rotation drive structure comprises:

[0006] A driving member, fixed to the water outlet column, wherein the output shaft of the driving member is arranged to be axially offset relative to the water outlet column;

[0007] The transmission mechanism is arranged in the water outlet column, and the driving member drives the faucet to rotate through the transmission mechanism.

[0008] Beneficial effects: The rotary drive structure of the present invention includes a drive member and a transmission mechanism. The output shaft of the drive member is axially offset relative to the water outlet column, so that the rotary drive structure as a whole is offsetly arranged in the water outlet column, that is, the rotary drive structure as a whole is arranged close to the inner wall of one side of the water outlet column, so that the arrangement of the rotary drive structure is very compact and reasonable, which can save the arrangement space, reduce the occupation of the internal space of the water outlet column and the faucet, and avoid the arrangement space of structures such as water inlet and outlet pipes and electric wires, so that the internal space of the water outlet column and the faucet is significantly optimized, and the layout of the water inlet pipe and electric wires is easier, which is convenient for structural installation.

[0009] In an optional embodiment, the transmission mechanism includes a first transmission member, the first transmission member is connected to the output shaft, and the first transmission member is meshingly connected to the faucet.

[0010] Beneficial effects: The rotary drive structure of the present invention comprises a transmission mechanism including a first transmission member, which is meshedly connected with the faucet. This transmission structure is reliable, highly firm, and not easily damaged, which is beneficial to ensuring the service life of the water outlet device.

[0011] In an optional embodiment, a faucet engaging portion is provided in the faucet, the faucet engaging portion is provided close to the inner wall of the faucet, the first transmission member has a transmission engaging portion, and the faucet engaging portion is engaged with the transmission engaging portion.

[0012] Beneficial effects: In the rotary drive structure of the present invention, a faucet engaging portion is provided inside the faucet, and the faucet engaging portion is provided close to the inner wall of the faucet to achieve an offset setting of the rotary drive structure, which is convenient for structural connection and setting.

[0013] In an optional embodiment, a mounting mechanism is further included, wherein the mounting mechanism includes a bracket, at least a portion of the bracket is placed in the faucet, and the driving member is fixed to the water outlet column via the bracket.

[0014] Beneficial effects: The rotary drive structure of the present invention has an installation mechanism including a bracket, and at least a portion of the bracket is placed inside the faucet to save installation space and make the rotary drive structure compact. The drive member is fixed to the water outlet column through the bracket to facilitate structural connection.

[0015] In an optional embodiment, a partial structure of the first transmission member is disposed in the bracket, a side wall of the bracket is formed with a hollow structure, and the transmission engaging portion is engaged with the faucet engaging portion through the hollow structure.

[0016] Beneficial effects: In the rotary drive structure of the present invention, part of the structure of the first transmission member is arranged in the bracket, so that the arrangement of the rotary drive structure is more compact and the structural space is fully utilized. In addition, a hollow structure is formed on the side wall of the bracket, and the transmission engaging part engages with the faucet engaging part through the hollow structure to facilitate the coordinated installation of the structure.

[0017] In an optional embodiment, the transmission mechanism also includes an over-torque protection component, which is disposed in the faucet and between the output shaft and the faucet. When the external force torque applied to the faucet is greater than a preset value, the over-torque protection component blocks the external force torque.

[0018] Beneficial effect: With the rotary drive structure of the present invention, when the user forcibly turns the faucet or hinders the rotation of the faucet, if the external force torque applied to the faucet is greater than a preset value, the over-torque protection component will block the external force torque to prevent excessive external force torque from acting on the shaft of the drive member (motor), thereby forming reliable protection for the motor, making the motor less likely to be damaged, eliminating the adverse effects of improper user operation on the motor, and ensuring the service life of the motor and the water outlet device.

[0019] In an optional embodiment, the over-torque protection assembly includes the first transmission member, a first pressure plate, a second transmission member and an elastic member, the first pressure plate is fixed to the water outlet column, the first pressure plate and the first transmission member cover are combined to form an internal accommodating space, the second transmission member and the elastic member are placed in the accommodating space, one end of the elastic member abuts the first pressure plate, and the other end abuts the second transmission member toward the first transmission member, so that the second transmission member and the first transmission member are meshed, and the second transmission member is also connected to the output shaft.

[0020] Beneficial effects: The rotary drive structure of the present invention, the over-torque protection component includes the first transmission member, the first pressure plate, the second transmission member and the elastic member. The structure of this over-torque protection component is relatively simple, easy to set up, contains fewer parts and has high structural reliability.

[0021] In an optional embodiment, the meshing surfaces of the first transmission member and the second transmission member are oblique serrated surfaces.

[0022] Beneficial effect: In the rotary drive structure of the present invention, the meshing surfaces of the first transmission member and the second transmission member are oblique sawtooth surfaces. During the transmission process, the second transmission member will always provide the first transmission member with an axial force to push the first transmission member away. This thrust is relative. When the axial thrust is not large (the external force torque applied to the faucet is less than or equal to the preset value), the second transmission member will drive the first transmission member to rotate, and when the axial thrust is large (the external force torque applied to the faucet is greater than the preset value), the axial thrust overcomes the pressure of the elastic member on the second transmission member, and the second transmission member and the first transmission member will separate, thereby preventing the external force torque applied to the faucet from being transmitted to the output shaft of the drive member, thereby forming a reliable protection for the drive member.

[0023] In a second aspect, the present invention further provides a water outlet device, comprising a water outlet column, a faucet and the above-mentioned rotation drive structure, wherein the faucet is rotatably arranged on the top of the water outlet column through the rotation drive structure.

[0024] Because the water outlet device of the present invention, including the rotation drive structure of the present invention, has the same beneficial effects as the rotation drive structure, it will not be described in detail here.

[0025] In an optional embodiment, the water outlet device is an electric kettle. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a three-dimensional schematic diagram of the water outlet device of the present invention;

[0028] Figure 2 is a side sectional view of the water outlet device of the present invention;

[0029] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0030] Figure 4 It is an exploded schematic diagram of a part of the structure of the rotary drive structure of the present invention;

[0031] Figure 5 It is a cross-sectional view of a part of the rotary drive structure of the present invention;

[0032] Figure 6 Schematic diagram of the first transmission member in the rotary drive structure of the present invention Figure 1 ;

[0033] Figure 7 Schematic diagram of the first transmission member in the rotary drive structure of the present invention Figure 2 ;

[0034] Figure 8 Schematic diagram of the second transmission member in the rotary drive structure of the present invention Figure 1 ;

[0035] Fig. 9 Schematic diagram of the second transmission member in the rotary drive structure of the present invention Figure 2 ;

[0036] Fig.10 is a schematic diagram of a support in the rotation drive structure of the present invention;

[0037] Fig.11 A schematic diagram of a faucet seat of a water outlet device of the present invention;

[0038] Fig.12 It is a schematic diagram of the water outlet column of the water outlet device of the present invention.

[0039] Description of reference numerals:

[0040] 1. Water outlet column; 101. Water outlet column connection hole;

[0041] 2. faucet; 201. faucet engaging portion; 202. faucet cover; 203. faucet seat; 204. connecting plate;

[0042] 3. Driving member; 301. Output shaft;

[0043] 4. First transmission member; 401. Transmission meshing portion; 402. First transmission member rotating shaft; 403. First over-torque meshing portion; 404. First over-torque meshing groove; 405. First transmission member connecting groove;

[0044] 5. Bracket; 501. Avoidance groove; 502. Bracket connecting column; 503. Positioning hole; 504. Bracket mounting column; 505. Mounting hole;

[0045] 6. First pressing plate; 601. Docking column; 602. First pressing plate mounting column; 603. Assembly column;

[0046] 7. Second transmission member; 701. Second over-torque engagement portion; 702. Second over-torque engagement groove; 703. Second transmission member connecting column; 704. Second transmission member connecting groove; 705. Connecting column;

[0047] 8. Elastic parts;

[0048] 9. Second pressing plate; 901. Ear plate;

[0049] 10. Base;

[0050] 11. Pot body. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0052] Combine the following Figure 1-Figure 12 , describing the embodiments of the rotary drive structure and water outlet device of the present invention.

[0053] According to an embodiment of the present invention, a rotational driving structure is provided, which is applied to a water outlet device. The water outlet device includes a water outlet column 1 and a faucet 2. The faucet 2 is rotatably arranged on the top of the water outlet column 1 through the rotational driving structure. The rotational driving structure includes: a driving member 3 and a transmission mechanism. The driving member 3 is fixed to the water outlet column 1. The output shaft 301 of the driving member 3 is axially offset relative to the water outlet column 1. The transmission mechanism is arranged in the water outlet column 1. The driving member 3 drives the faucet 2 to rotate through the transmission mechanism.

[0054] In this rotary drive structure, the output shaft 301 of the driving member 3 is axially offset relative to the water outlet column 1, so that the rotary drive structure as a whole is offsetly arranged in the water outlet column 1, that is, the rotary drive structure as a whole is arranged close to the inner wall of one side of the water outlet column 1, so that the arrangement of the rotary drive structure is very compact and reasonable, which can save the arrangement space, reduce the occupation of the internal space of the water outlet column 1 and the faucet 2, and avoid the arrangement space of structures such as water inlet and outlet pipes and electric wires, so that the internal space of the water outlet column 1 and the faucet 2 is significantly optimized, and the layout of the water inlet pipe and electric wires is easier, which is convenient for structural installation.

[0055] The rotary drive structure of this embodiment is applied to a water outlet device, such as an electric kettle, which has the functions of automatic water supply, water boiling, heat preservation, tea brewing, etc. Figure 1 As shown, the water outlet device includes a kettle body 11, a base 10, a water outlet column 1 and a faucet 2, etc. The kettle body 11 and the water outlet column 1 are arranged on the base 10, and the bottom of the base 10 is suitable for being placed on a platform such as a desktop. The kettle body 11 has a water storage space inside, and the faucet 2 is rotatably arranged on the top of the water outlet column 1 through a rotating driving structure, and water can be added to the kettle body 11 through the faucet 2. The faucet 2 has an initial position and a water adding position, and the faucet 2 can rotate between the initial position and the water adding position. When the faucet 2 rotates from the initial position to the water adding position, the faucet 2 can discharge water and add water to the kettle body 11. When the faucet 2 rotates from the water adding position to the initial position, the faucet 2 does not hinder the user from operating the kettle body 11.

[0056] The rotation drive structure includes: a driving member 3 and a transmission mechanism, wherein the main part of the driving member 3 is fixed to the water outlet column 1, and the driving member 3 is used to provide power for the rotation of the faucet 2 relative to the water outlet column 1. Under the driving action of the driving member 3, the faucet 2 can rotate horizontally relative to the water outlet column 1. Specifically, the driving member 3 adopts a motor, and the driving member 3 has an output shaft 301. The output shaft 301 is offset relative to the axial direction of the water outlet column 1, that is, the output shaft 301 is arranged on one side of the axial direction of the water outlet column 1, and the axial direction of the output shaft 301 does not overlap with the axial direction of the water outlet column 1, so that more space can be left in the water outlet column 1 and the faucet 2, which is convenient for the arrangement of components such as the water inlet pipe and wires.

[0057] like Figure 1As shown, the faucet 2 includes a faucet cover 202 and a faucet seat 203. The faucet cover 202 is placed on the top of the faucet seat 203. The faucet cover 202 and the faucet seat 203 are snap-fitted and connected to form an integral structure. In order to facilitate the installation and setting of the internal structure, the faucet cover 202 and the faucet seat 203 are detachably connected. After the faucet cover 202 and the faucet seat 203 are connected, the two enclose and form an installation space inside the faucet 2.

[0058] In this embodiment, the lower part of the faucet 2 is inserted into the water outlet column 1 to save installation space, facilitate the structural connection of the rotation drive structure, facilitate the structural layout, and optimize the product appearance of the water outlet device.

[0059] The driving member 3 and the transmission mechanism are both arranged in the installation space of the faucet 2, the power input end of the transmission mechanism is connected to the output shaft 301 of the driving member 3, and the power output end of the transmission mechanism is connected to the faucet 2, so that the driving member 3 drives the faucet 2 to rotate through the transmission mechanism. In this embodiment, the rotating shaft of the faucet 2 coincides with the axial direction of the water outlet column 1.

[0060] Furthermore, the transmission mechanism includes a first transmission member 4 , the first transmission member 4 is connected to the output shaft 301 , and the first transmission member 4 is meshedly connected to the faucet 2 .

[0061] like Figure 2-Figure 4 As shown, the transmission mechanism includes a first transmission member 4, which is driven by the output shaft 301 of the driving member 3. In this embodiment, the first transmission member 4 is indirectly connected to the output shaft 301, and the first transmission member 4 is meshedly connected with the faucet 2 to drive the faucet 2 to rotate. This transmission structure is reliable, strong, and not easy to damage, which is conducive to ensuring the service life of the water outlet device.

[0062] Furthermore, a faucet engaging portion 201 is provided in the faucet 2 , and the faucet engaging portion 201 is provided close to the inner wall of the faucet 2 . The first transmission member 4 has a transmission engaging portion 401 , and the faucet engaging portion 201 is engaged with the transmission engaging portion 401 .

[0063] like Fig.11 As shown, a connecting plate 204 is provided in the faucet 2, and the plane where the connecting plate 204 is located is perpendicular to the rotating axis of the faucet 2. A faucet engaging portion 201 is provided on the connecting plate 204. The faucet engaging portion 201 is a section of engaging tooth structure, and relative to the rotating axis of the faucet 2, the faucet engaging portion 201 is arranged close to the inner wall of the faucet 2 to cooperate with the offset setting of the driving member 3, and does not hinder the installation of other structures in the faucet 2.

[0064] like Figure 7As shown, the first transmission member 4 is a cylindrical structure, and a transmission meshing portion 401 is arranged at the bottom of the first transmission member 4. The transmission meshing portion 401 is a gear structure. The axial direction of the transmission meshing portion 401 is colinear with the axial direction of the first transmission member 4, and the transmission meshing portion 401 meshes with the faucet meshing portion 201.

[0065] Furthermore, the rotation drive structure also includes a mounting mechanism, which includes a bracket 5 , at least a portion of the structure of the bracket 5 is placed in the faucet 2 , and the driving member 3 is fixed to the water outlet column 1 through the bracket 5 .

[0066] like Figure 2-Figure 4 As shown, the mounting mechanism includes a bracket 5, and the driving member 3 is indirectly connected to the bracket 5, so that the driving member 3 is fixed to the water outlet column 1 through the bracket 5. Fig.10 As shown, a bracket connecting column 502 is provided at the bottom of the bracket 5, and a water outlet column connecting hole 101 is provided inside the water outlet column 1. The bracket connecting column 502 and the water outlet column connecting hole 101 have the same cross-sectional shape perpendicular to the axial direction, as shown in FIG. Fig.12 As shown, the water outlet column connection hole 101 is arranged at the center of the water outlet column 1, and the bracket connection column 502 is suitable for being inserted into the water outlet column connection hole 101, so that the bracket 5 and the water outlet column 1 are fixed in the horizontal rotation direction. In this embodiment, the cross-sectional shape of the bracket connection column 502 perpendicular to the axial direction is elliptical, and the bracket connection column 502 is an elliptical cylinder. The shape and size of the water outlet column connection hole 101 match those of the bracket connection column 502, and they are elliptical holes.

[0067] Moreover, in order to further improve the reliability of the structure, the bracket 5 is also fastened to the water outlet column 1 by bolts, so that the bracket 5 and the water outlet column 1 are fixed.

[0068] Furthermore, part of the structure of the first transmission member 4 is disposed in the bracket 5 , and a hollow structure is formed on the side wall of the bracket 5 , and the transmission meshing portion 401 meshes with the faucet meshing portion 201 through the hollow structure.

[0069] like Fig.10 As shown, the bracket 5 is formed with a mounting hole 505, and the lower part of the first transmission member 4 is inserted into the mounting hole 505. In order to realize the offset setting of the driving member 3, the axial direction of the mounting hole 505 deviates from the axial direction of the water column 1. Figure 7 As shown, in order to further improve the assembly reliability, a first transmission member shaft 402 is also provided at the bottom of the first transmission member 4, and the first transmission member shaft 402 is arranged at the center position of the transmission engaging portion 401, and a positioning hole 503 is provided at the bottom of the mounting hole 505, and the first transmission member shaft 402 is suitable for being inserted into the positioning hole 503, so as to ensure the rotation accuracy of the first transmission member 4 and prevent the first transmission member 4 from shaking.

[0070] The side wall of the bracket 5 is formed with a hollow structure, which is specifically arranged on the side wall of the mounting hole 505. After the lower part of the first transmission member 4 is inserted into the mounting hole 505, part of the structure of the transmission meshing part 401 of the first transmission member 4 is exposed through the hollow structure, so that the transmission meshing part 401 meshes with the faucet meshing part 201, which facilitates the structural connection. The hollow structure is specifically a hollow groove 501, and the inside and outside of the mounting hole 505 are connected through the hollow groove 501. The size of the hollow groove 501 is not specifically limited, as long as it does not affect the meshing of the transmission meshing part 401 and the faucet meshing part 201.

[0071] Furthermore, the transmission mechanism also includes an over-torque protection component, which is arranged in the faucet 2 and between the output shaft 301 and the faucet 2. When the external force torque applied to the faucet 2 is greater than a preset value, the over-torque protection component blocks the external force torque.

[0072] The over-torque protection component is a part of the transmission mechanism. When the faucet 2 is only driven by the driving force of the driving member 3 or the faucet 2 is subjected to a small external force (for example, the improper operation of the user is not serious), the over-torque protection component is used for transmission, and can transmit the driving force of the driving member 3 to the faucet 2, so as to realize the rotation of the faucet 2 relative to the water outlet column 1. When the faucet 2 is subjected to a large external force (for example, the improper operation of the user is relatively serious), when the external force torque applied to the faucet 2 is greater than the preset value, the over-torque protection component can block the external force torque, and prevent the excessive external force torque from acting on the output shaft 301 of the driving member 3, so as to form a reliable protection for the motor. Among them, the setting and correspondence of the external force torque preset value can be realized through structural design, so that the external force torque preset value is related to the specific structure of the over-torque protection component.

[0073] Furthermore, the over-torque protection assembly includes a first transmission member 4, a first pressure plate 6, a second transmission member 7 and an elastic member 8. The first pressure plate 6 is fixed to the water outlet column 1. The first pressure plate 6 and the first transmission member 4 are combined to form an internal accommodating space. The second transmission member 7 and the elastic member 8 are placed in the accommodating space. One end of the elastic member 8 abuts against the first pressure plate 6, and the other end abuts against the second transmission member 7 toward the first transmission member 4, so that the second transmission member 7 and the first transmission member 4 are meshed. The second transmission member 7 is also connected to the output shaft 301.

[0074] The over-torque protection component is a clutch structure, which includes a first transmission member 4, a first pressure plate 6, a second transmission member 7 and an elastic member 8. The first transmission member 4, the first pressure plate 6 and the second transmission member 7 are coaxial, and the axial directions of the three members deviate from the axial direction of the water outlet column 1, and the axial directions of the first transmission member 4, the first pressure plate 6 and the second transmission member 7 are parallel to the axial direction of the water outlet column 1.

[0075] The first pressing plate 6 is fixed to the water outlet column 1. Specifically, the first pressing plate 6 is provided with a docking column 601, and two docking columns 601 are provided. The two docking columns 601 are symmetrically arranged with respect to the axis of the first pressing plate 6. Correspondingly, the bracket 5 is provided with two bracket mounting columns 504. The bracket mounting columns 504 correspond to the positions and sizes of the docking columns 601. The bracket mounting columns 504 and the docking columns 601 can be fastened by fasteners (such as bolts) to achieve the fixation of the first pressing plate 6 and the bracket 5, and the bracket 5 is fixed to the water outlet column 1, thereby achieving the fixation of the first pressing plate 6 and the water outlet column 1.

[0076] After the first pressing plate 6 is covered and connected with the first transmission member 4, a receiving space is formed inside the two, and the second transmission member 7 and the elastic member 8 are both arranged in the receiving space. Figure 6 As shown, a first transmission member connecting groove 405 is provided in the first transmission member 4, the opening of the first transmission member connecting groove 405 faces upward, and the cross-sectional shape of the first transmission member connecting groove 405 perpendicular to the axial direction of the first transmission member 4 is elliptical, so the first transmission member connecting groove 405 is an elliptical groove. Figure 8 As shown, a second transmission member connecting column 703 is provided at the bottom of the second transmission member 7, and the shape and size of the second transmission member connecting column 703 match the first transmission member connecting groove 405. The second transmission member connecting column 703 is suitable for being inserted into the first transmission member connecting groove 405 to realize the fixation of the first transmission member 4 and the second transmission member 7 in the horizontal rotation direction, but the first transmission member 4 and the second transmission member 7 are not fixed in the axial direction, and the first transmission member 4 and the second transmission member 7 can be close to or away from each other in the axial direction.

[0077] In the accommodation space, the bottom of the first pressing plate 6 has an assembly column 603 protruding toward the second transmission member 7 (downward), the interior of the assembly column 603 is a through-hole structure, and the top of the second transmission member 7 is provided with a plug-in column 705, which is suitable for inserting into the through-hole of the assembly column 603. The elastic member 8 is sleeved on the outer wall of the assembly column 603, and one end of the elastic member 8 abuts the first pressing plate 6, and the other end of the elastic member 8 abuts the second transmission member 7 toward the first transmission member 4, pressing the second transmission member 7 and the first transmission member 4 tightly, so that the second transmission member 7 and the first transmission member 4 remain in a meshing state. The elastic member 8 is a spring, and in the accommodation space, the elastic member 8 is in a compressed state.

[0078] A second transmission member connecting groove 704 is formed in the plug-in column 705 of the second transmission member 7, and the output shaft 301 of the driving member 3 is suitable for being inserted into the second transmission member connecting groove 704. The cross-sectional shape of the second transmission member connecting groove 704 perpendicular to the axial direction is elliptical, and the cross-sectional shape of the output shaft 301 perpendicular to the axial direction matches it. After the output shaft 301 is adapted to the second transmission member connecting groove 704, it can drive the second transmission member 7 to rotate together, and the second transmission member 7 is meshed with the first transmission member 4, and the second transmission member 7 drives the first transmission member 4 to rotate, and the first transmission member 4 is meshed with the faucet 2, thereby driving the faucet 2 to rotate relative to the water outlet column 1.

[0079] In order to realize over-torque protection of the motor by the over-torque protection component, the meshing surfaces of the first transmission member 4 and the second transmission member 7 are oblique sawtooth surfaces.

[0080] like Figure 6 is the top structure of the first transmission member 4, such as Figure 8 The bottom structure of the second transmission member 7 is shown. The first transmission member 4 is provided with a first over-torque meshing portion 403 on the plane facing the second transmission member 7, and a first over-torque meshing groove 404 is formed between adjacent first over-torque meshing portions 403. Similarly, the second transmission member 7 is provided with a second over-torque meshing portion 701 on the plane facing the first transmission member 4, and a second over-torque meshing groove 702 is formed between adjacent second over-torque meshing portions 701. The meshing surface between the first over-torque meshing portion 403 and the second over-torque meshing portion 701 is an inclined surface, that is, both sides of the first over-torque meshing portion 403 and the second over-torque meshing portion 701 are inclined surfaces, and the inclined surfaces are arranged at an acute angle or an obtuse angle with the axial direction of the first transmission member 4 and the second transmission member 7.

[0081] In the process of the second transmission member 7 driving the first transmission member 4 to rotate, the second transmission member 7 will always provide the first transmission member 4 with an axial force to push the first transmission member 4 away (thrust to keep the two away). The thrust is relative, that is, the second transmission member 7 pushes the first transmission member 4 away, and the first transmission member 4 also pushes the second transmission member 7 away. If the thrust is too large, the first transmission member 4 and the second transmission member 7 will move away from each other.

[0082] When the axial thrust is not large (only affected by the driving force of the driving member 3, or the external force torque applied to the faucet 2 is less than or equal to the preset value), the meshing surfaces of the first over-torque meshing portion 403 and the second over-torque meshing portion 701 are in contact, and the second transmission member 7 will drive the first transmission member 4 to rotate. When the axial thrust is large (the external force torque applied to the faucet 2 is greater than the preset value), the axial thrust overcomes the pressure of the elastic member 8 on the second transmission member 7, and the elastic member 8 is further compressed, and the first transmission member 4 and the second transmission member 7 will be separated, and slippage will occur between the first transmission member 4 and the second transmission member 7, thereby preventing the external force torque applied to the faucet 2 from being transmitted to the output shaft 301 of the driving member 3, thereby forming a reliable protection for the driving member 3.

[0083] In addition, the tooth tips of the first over-torque meshing portion 403 and the second over-torque meshing portion 701 are planes. When the first transmission member 4 and the second transmission member 7 are separated, the tooth tips of the first over-torque meshing portion 403 and the second over-torque meshing portion 701 can contact each other, and the first transmission member 4 and the second transmission member 7 slip.

[0084] In addition, in order to achieve reliable fixation of the driving member 3, the driving member 3 is also fixed to the water outlet column 1 through the first pressing plate 6 and the second pressing plate 9. Figure 2-Figure 5 As shown, the second pressure plate 9 is arranged on the side of the first pressure plate 6 away from the bracket 5, the second pressure plate 9 is sleeved on the outside of the upper part of the driving member 3, and the first pressure plate 6 is sleeved on the outside of the lower part of the driving member 3. After the first pressure plate 6 and the second pressure plate 9 are matched, an internal cavity is formed, and the main part of the driving member 3 (except the output shaft 301) is arranged in the cavity.

[0085] The outer wall of the second pressure plate 9 is provided with two ear plates 901, and the two ear plates 901 are symmetrically arranged relative to the axial direction of the second pressure plate 9. Two first pressure plate mounting columns 602 are also provided on the first pressure plate 6, and the positions of the first pressure plate mounting columns 602 correspond to the positions of the ear plates 901. The first pressure plate mounting columns 602 and the ear plates 901 can be fixed by fasteners (such as bolts), thereby realizing the fixation of the first pressure plate 6 and the second pressure plate 9, and the first pressure plate 6 is fixed to the water outlet column 1, so as to fix the main part of the driving member 3 (except the output shaft 301) and the water outlet column 1, that is, the second pressure plate 9, the main part of the driving member 3 (except the output shaft 301), the first pressure plate 6, and the bracket 5 are all fixed to the water outlet column 1 to form a whole. When the faucet 2 rotates relative to the water outlet column 1, the second pressure plate 9, the main part of the driving member 3 (except the output shaft 301), the first pressure plate 6, and the bracket 5 do not rotate.

[0086] The following briefly describes the installation process of the rotary drive structure of this embodiment:

[0087] Firstly, the first pressure plate 6, the driving member 3 and the second pressure plate 9 can be pre-assembled to form an integral structure, i.e., a motor assembly;

[0088] Insert the faucet seat 203 into the water outlet column 1, put the bracket 5 into the faucet seat 203 from the top of the faucet seat 203, plug the bracket connecting column 502 of the bracket 5 into the water outlet column connecting hole 101 of the water outlet column 1, and fix the bracket 5 and the water outlet column 1 with bolts;

[0089] Afterwards, the first transmission member 4 is installed into the mounting hole 505 of the bracket 5, the first transmission member shaft 402 is inserted into the positioning hole 503, and then the second transmission member 7 is installed into the first transmission member 4, the second transmission member connecting column 703 is inserted into the first transmission member connecting groove 405, and the first over-torque meshing portion 403 is meshed with the second over-torque meshing portion 701;

[0090] The elastic member 8 is sleeved outside the assembly column 603 of the first pressing plate 6, so that the upper end of the elastic member 8 abuts against the first pressing plate 6, and the lower end of the elastic member 8 abuts against the second transmission member 7, and the first pressing plate 6 and the bracket 5 are fixed by bolts, and the installation is completed.

[0091] After the rotating drive structure is installed, the rotating drive structure is offset as a whole to the axial direction of the water outlet column 1, occupying less internal space of the water outlet column 1 and the faucet 2, leaving more space for setting up the water inlet pipe and wires, thereby facilitating the installation of the water inlet pipe and wires.

[0092] The present embodiment further provides a water outlet device, comprising a water outlet column 1, a faucet 2 and the above-mentioned rotation drive structure, wherein the faucet 2 is rotatably disposed on the top of the water outlet column 1 through the rotation drive structure.

[0093] In this water outlet device, the output shaft 301 of the driving member 3 is axially offset relative to the water outlet column 1, so that the rotating drive structure as a whole is offsetly arranged in the water outlet column 1, that is, the rotating drive structure as a whole is arranged close to the inner wall of one side of the water outlet column 1, so that the arrangement of the rotating drive structure is very compact and reasonable, which can save the arrangement space, reduce the occupation of the internal space of the water outlet column, and avoid the arrangement space of structures such as water inlet and outlet pipes and electric wires, so that the internal space of the water outlet column 1 is significantly optimized, and the layout of the water inlet pipe and the electric wires is simpler and easier.

[0094] Moreover, when the user operates improperly (forcibly turns the faucet 2 or hinders the rotation of the faucet 2), if the external force torque applied to the faucet 2 is greater than the preset value, the over-torque protection component will block the external force torque to prevent excessive external force torque from acting on the output shaft 301 of the drive member 3 (motor), thereby forming reliable protection for the motor, making the motor less likely to be damaged, eliminating the adverse effects of improper user operation on the motor, and ensuring the service life of the motor and the water outlet device.

[0095] In this embodiment, the water outlet device is specifically an electric kettle. The water outlet device also includes a kettle body 11, which is arranged on the base 10. The top of the kettle body 11 has an opening, and the opening is detachably covered with a cover body. A faucet 12 is arranged on the top of the water outlet column 1, and the faucet 12 can be rotated so that the faucet 12 is aligned with the top opening of the kettle body 11 when it is in the water adding position to realize the water adding process. A control component is also arranged inside the base 10, and the control component is used to control the operation of the driving component 3 and other components. Of course, the water outlet device also includes other structures and components that the existing water outlet devices have, which will not be repeated here.

[0096] In this embodiment, the lower part of the faucet 2 is inserted into the water outlet column 1 to save installation space, facilitate the structural connection of the rotation drive structure, facilitate the structural layout, and optimize the product appearance of the water outlet device.

[0097] The working process of the rotating drive structure in the water outlet device of this embodiment is described below in conjunction with the accompanying drawings:

[0098] When the faucet 2 needs to rotate relative to the water outlet column 1, the power output by the output shaft 301 of the driving member 3 drives the second transmission member 7 to rotate. Since the second transmission member 7 is meshed and connected with the first transmission member 4, the second transmission member 7 drives the first transmission member 4 to rotate. The first transmission member 4 is meshed and connected with the faucet 2. The first transmission member 4 drives the faucet 2 to rotate, thereby realizing the rotation of the faucet 2 relative to the water outlet column 1.

[0099] If the user forcibly turns the faucet 2 or prevents the faucet 2 from rotating while the faucet 2 is rotating relative to the water column 1, the thrust of the meshing teeth between the second transmission member 7 and the first transmission member 4 will cause the second transmission member 7 and the first transmission member 4 to move away from each other, separating the second transmission member 7 and the first transmission member 4, thereby blocking excessive external torque from being transmitted to the motor output shaft.

[0100] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A rotation drive structure, characterized in that: The invention is applied to a water outlet device, the water outlet device comprising a water outlet column (1) and a faucet (2), the faucet (2) being rotatably arranged on the top of the water outlet column (1) via the rotation drive structure, and the rotation drive structure comprising: A driving member (3) is fixed to the water outlet column (1), and an output shaft (301) of the driving member (3) is arranged to be axially offset relative to the water outlet column (1); The transmission mechanism is arranged in the water outlet column (1), and the driving member (3) drives the faucet (2) to rotate through the transmission mechanism.

2. The rotary drive structure according to claim 1, characterized in that: The transmission mechanism comprises a first transmission member (4), the first transmission member (4) is connected to the output shaft (301), and the first transmission member (4) is meshingly connected to the faucet (2).

3. The rotary drive structure according to claim 2, characterized in that: The faucet (2) is provided with a faucet engaging portion (201), the faucet engaging portion (201) being arranged close to the inner wall of the faucet (2), the first transmission member (4) having a transmission engaging portion (401), the faucet engaging portion (201) being engaged with the transmission engaging portion (401).

4. The rotary drive structure according to claim 3, characterized in that: It also comprises a mounting mechanism, the mounting mechanism comprising a bracket (5), at least part of the structure of the bracket (5) is placed in the faucet (2), and the driving member (3) is fixed to the water outlet column (1) via the bracket (5).

5. The rotary drive structure according to claim 4, characterized in that: Part of the structure of the first transmission member (4) is arranged in the bracket (5); a side wall of the bracket (5) is formed with a hollow structure; and the transmission engaging portion (401) engages with the faucet engaging portion (201) through the hollow structure.

6. The rotary drive structure according to any one of claims 2 to 5, characterized in that: The transmission mechanism further comprises an over-torque protection component, which is arranged in the faucet (2). The over-torque protection component is arranged between the output shaft (301) and the faucet (2). When the external force torque applied to the faucet (2) is greater than a preset value, the over-torque protection component blocks the external force torque.

7. The rotary drive structure according to claim 6, characterized in that: The over-torque protection assembly comprises the first transmission member (4), a first pressure plate (6), a second transmission member (7) and an elastic member (8); the first pressure plate (6) is fixed to the water outlet column (1); the first pressure plate (6) and the first transmission member (4) are combined to form an internal accommodating space; the second transmission member (7) and the elastic member (8) are placed in the accommodating space; one end of the elastic member (8) abuts against the first pressure plate (6) and the other end abuts against the second transmission member (7) toward the first transmission member (4) so ​​that the second transmission member (7) and the first transmission member (4) are meshed; the second transmission member (7) is also connected to the output shaft (301).

8. The rotary drive structure according to claim 7, characterized in that: The meshing surfaces of the first transmission member (4) and the second transmission member (7) are oblique sawtooth surfaces.

9. A water outlet device, characterized in that: It comprises a water outlet column (1), a faucet (2) and a rotation drive structure as claimed in any one of claims 1 to 8, wherein the faucet (2) is rotatably arranged on the top of the water outlet column (1) through the rotation drive structure.

10. The water outlet device according to claim 9, characterized in that: The water outlet device is an electric kettle.

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