CN215181639U - Knob and closestool - Google Patents

Abstract

The embodiment of the utility model provides a relate to intelligent house technical field, especially relate to a knob and closestool. Wherein, the knob includes: knob support, rotatory ring, drive gear, driven pinion, elastic component, circuit board and encoder. The knob support is provided with a rotating cavity, the side wall of the knob support is provided with a side groove, and the bottom of the knob support is provided with a bottom hole; the rotating ring is rotatably sleeved on the knob support, and the inner wall of the rotating ring is provided with a driving wheel; the transmission gear is rotationally arranged in the side groove and meshed with the driving gear teeth; the driven gear shaft is accommodated in the rotating cavity and rotates relative to the rotating cavity, and the driven gear shaft is meshed with the transmission gear; one end of the elastic piece is fixed on the knob bracket, and the other end of the elastic piece is abutted against the driven gear shaft; the circuit board is arranged on the knob bracket; the encoder is arranged on the circuit board and is electrically connected with the circuit board, and a shaft of the encoder extends into the rotating cavity from the bottom hole and is fixed with the driven gear shaft. When the rotating ring rotates, the gears meshed with each other form an epicyclic gear train so that the rotating ring drives the shaft of the encoder to rotate.

Description

Knob and closestool

Technical Field

The embodiment of the utility model provides a relate to intelligent house technical field, especially relate to a knob and closestool.

Background

At present, smart homes are popularized in daily life, and the purpose of the smart homes is to improve the quality of life of users and provide more humanized services, and when the users operate or debug a toilet, the users often use controllers such as knobs to operate or debug the toilet.

In the process of the embodiment of the present invention, the inventor finds that: at present, in the knob that intelligent house used, mainly rely on the feedback effect of encoder self on the electronic hardware, can lose the feedback effect of knob completely under the circumstances that knob arm extension or counter weight increase, the user can't learn directly perceivedly through the feedback effect of knob, whether the operation or the debugging to the closestool are accomplished at present.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem who mainly solves provides a knob and closestool, has overcome above-mentioned problem or has solved above-mentioned problem at least partially.

In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: provided is a knob including: knob support, rotatory ring, drive gear, driven pinion, elastic component, circuit board and encoder. The knob support is provided with a rotating cavity, a side groove and a bottom hole, the side groove and the bottom hole are communicated with the rotating cavity, the side groove is located on the side wall of the knob support, and the bottom hole is located at the bottom of the knob support; the rotating ring is sleeved on the knob support and can rotate relative to the knob support, and driving gear teeth are arranged on the inner wall of the rotating ring; the transmission gear is rotationally arranged in the side groove and is meshed with the driving gear teeth; the driven gear shaft is accommodated in the rotating cavity and can rotate relative to the rotating cavity, and the driven gear shaft is meshed with the transmission gear; one end of the elastic piece is fixed on the knob bracket, and the other end of the elastic piece is abutted against the driven gear shaft; the circuit board is mounted on the knob bracket; the encoder comprises an encoder body and a rotating shaft, the rotating shaft is connected with the encoder body, the encoder body is installed on the circuit board, the encoder body is electrically connected with the circuit board, the rotating shaft extends into the rotating cavity from the bottom hole, and the rotating shaft of the encoder is fixed with the driven gear shaft. When the rotating ring rotates, the rotating ring drives the transmission gear to rotate, the transmission gear drives the driven gear shaft to rotate, and the driven gear shaft drives the rotating shaft of the encoder to rotate.

In an alternative mode, the elastic piece is provided with a spring plate and a protrusion, the protrusion is arranged on one end of the spring plate, and the other end of the spring plate is fixed on the knob support; the driven gear shaft is provided with a plurality of grooves, the grooves surround the driven gear shaft, the protrusions are used for being abutted to the grooves, and when the driven gear shaft rotates, the elastic pieces move along the grooves and generate vibration.

In an alternative mode, the driven gear shaft is provided with a limiting groove; the rotating shaft is inserted into the limiting groove, and the rotating shaft of the encoder is clamped with the limiting groove.

In an optional mode, the rotating shaft comprises a shaft seat and a rotating rod, the shaft seat is fixed on the encoder body, and the rotating rod is rotatably arranged on the shaft seat; an accommodating groove and a boss extending towards the accommodating groove are formed in one surface, facing the encoder, of the driven gear shaft, and the limiting groove is formed in the boss; the knob still includes waterproof ring, waterproof ring install in the accepting groove, and waterproof ring with the boss butt, waterproof ring cover locate with the axle bed, the rotary rod is followed waterproof ring pass the back with the spacing groove joint.

In an alternative form, the knob bracket includes a mounting platform and a base; the mounting table and the base are arranged at intervals, a gap between the mounting table and the base forms the side groove, two ends of the transmission gear are respectively connected with the mounting table and the base in a rotating mode, the mounting table and the base are enclosed to form the rotating cavity, and the bottom hole is formed in the base.

In an optional mode, the mounting table is provided with a top hole, and a baffle ring extends towards the top hole; the knob still includes the apron, the apron extends there is the trip, the apron lid is located the apical pore of mount table, the trip passes the apical pore, the trip is used for the joint to keep off the ring, wherein, the trip is still the butt driven pinion shaft.

In an optional mode, the hook includes a rod portion obtained by extending the cover plate and a hook portion obtained by extending the rod portion, a hook tip of the hook portion reaches a length of the mounting table back to a surface of the base, which is greater than a first length, wherein the first length is a distance from a surface of the mounting table back to the base to a surface of the retainer ring facing the base.

In an optional mode, the number of the hooks is multiple, and the hooks are uniformly arranged on the cover plate.

In an optional mode, the number of the transmission gears and the side grooves is multiple, the side grooves are uniformly formed in the side wall of the knob support, and one transmission gear is rotatably arranged in one side groove.

In order to solve the above technical problem, the embodiment of the present invention adopts another technical solution: a toilet bowl, the knob according to any one of the above modes.

The embodiment of the utility model provides a beneficial effect is: be different from prior art's condition, the embodiment of the utility model provides a knob is applied to the closestool, including knob support, rotatory ring, drive gear, driven pinion, elastic component, circuit board and encoder. The knob support is provided with a rotating cavity, a side groove and a bottom hole, the side groove and the bottom hole are communicated with the rotating cavity, the side groove is located on the side wall of the knob support, and the bottom hole is located at the bottom of the knob support; the rotating ring is sleeved on the knob support and can rotate relative to the knob support, and driving gear teeth are arranged on the inner wall of the rotating ring; the transmission gear is rotationally arranged in the side groove and is meshed with the driving gear teeth; the driven gear shaft is accommodated in the rotating cavity and can rotate relative to the rotating cavity, and the driven gear shaft is meshed with the transmission gear; one end of the elastic piece is fixed on the knob bracket, and the other end of the elastic piece is abutted against the driven gear shaft; the circuit board is mounted on the knob bracket; the encoder set up in the circuit board, the rotation axis of encoder is followed the bottom outlet stretches into rotate the chamber, the rotation axis of encoder with from the pinion joint, and the encoder with the circuit board electricity is connected. Through the structure, when the rotating ring rotates, the rotating ring drives the transmission gear to rotate, the transmission gear drives the driven gear shaft to rotate, and the driven gear shaft drives the rotating shaft of the encoder to rotate. Through the mode, the knob can control the closestool, meanwhile, the feedback effect is enhanced, so that a user can intuitively know whether the operation or debugging of the closestool is finished or not by the current user through the feedback effect of the knob.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals.

In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of a knob according to an embodiment of the present invention;

fig. 2 is a cross-sectional view taken along plane a of fig. 1 in accordance with an embodiment of the present invention;

fig. 3 is an exploded view of a knob according to an embodiment of the present invention;

fig. 4 is an exploded view of another perspective of a knob according to an embodiment of the present invention;

fig. 5 is an assembly view of a knob bracket according to an embodiment of the present invention;

fig. 6 is an exploded view of a knob holder according to an embodiment of the present invention;

fig. 7 is an assembly view of the driven pinion, the elastic member, and the waterproof ring according to the embodiment of the present invention;

fig. 8 is a cross-sectional view of plane B of fig. 7 in accordance with an embodiment of the present invention;

fig. 9 is an assembly view of the base, encoder and circuit board of an embodiment of the invention;

fig. 10 is a cross-sectional view of plane C of fig. 9 in accordance with an embodiment of the present invention;

fig. 11 is an enlarged view of the portion D in fig. 2 according to the embodiment of the present invention;

FIG. 12 is a schematic view of the connection relationship of the component elements of the rotary knob according to the embodiment of the present invention;

fig. 13 is a partial cross-sectional view of a knob according to another embodiment of the present invention;

fig. 14 is a cross-sectional view of plane E of fig. 13 in accordance with another embodiment of the present invention;

fig. 15 is an enlarged view of portion F of fig. 14 according to another embodiment of the present invention;

fig. 16 is a schematic view of a toilet equipped with a knob according to an embodiment of the present invention.

The reference numerals of the knob 1 are explained as follows:

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the knob 1 includes a knob holder 10, a rotary ring 20, a driving gear 30, a driven pinion 40, an elastic member 50, an encoder 60, a circuit board 70, and a cover plate 80. The rotary ring 20 is sleeved on the knob holder 10, the rotary ring 20 is rotatable relative to the knob holder 10, the transmission gear 30 is mounted on the knob holder 10, the transmission gear 30 is engaged with the rotary ring 20, the transmission gear 30 is engaged with the driven toothed shaft 40, the driven toothed shaft 40 is mounted in the knob holder 10, the driven toothed shaft 40 is rotatable relative to the knob holder 10, and one end of the elastic member 50 is mounted on the knob holder 10 and the other end is abutted against the driven toothed shaft 40. Wherein, the rotating ring 20, the transmission gear 30, the driven gear 40 and the shaft body of the encoder 60 form an epicyclic gear train, when the rotating ring 20 rotates, the rotating ring 20 drives the transmission gear 30 to rotate, the driving gear 30 drives the driven gear shaft 40 to rotate, the driven gear shaft 40 and the elastic element 50 move relatively, and because the contact surface between the driven gear shaft 50 and the elastic element 50 is non-planar, a shock is generated to enhance the rotational feeling of the knob 1, to improve the tactile feedback of the knob 1, the circuit board 70 is mounted on the knob bracket 10, the encoder 60 is mounted on the knob bracket 10, a shaft body of the encoder 60 is engaged with the driven gear shaft 40, and the shaft body of the encoder 60 can rotate with the driven pinion 40, and the encoder 60 is electrically connected to the circuit board 70.

For the above knob support 10, as shown in fig. 3 and 4, the knob support 10 includes an installation table 11 and a base 12, the installation table 11 and the base 12 are arranged at an interval, a gap between the installation table 11 and the base 12 forms a side groove 13, the number of the transmission gears 30 and the side grooves 13 is plural, the side grooves 13 are uniformly arranged on the side wall of the base 12, the transmission gear 30 is rotatably arranged on one of the side grooves 13, two ends of the transmission gear 30 are respectively rotatably connected with the installation table 11 and the base 12, the installation table 11 and the base 12 enclose to form the rotation cavity 14, the driven gear shaft 40 is accommodated in the rotation cavity 14, the bottom hole 15 is arranged on the base 12, and a shaft body of the encoder 60 penetrates through the bottom hole 15 to be inserted into the rotation cavity 14.

Further, as shown in fig. 4 to 6, the mounting table 11 is provided with a top hole 111, and the mounting table 11 further extends towards the top hole 111 to form a retaining ring 112. The base 12 includes a support base 121, a mounting frame 122, and a light guide 123, a gap between the support base 121 and the mounting stage 11 forms a side groove 13, the mounting table 11 and the supporting base 121 enclose to form the rotating cavity 14, the mounting rack 122 is mounted on a side of the supporting base 121 far away from the rotating cavity 14, the mounting rack 122 comprises an upper mounting rack 1221 and a lower mounting rack 1222, and the upper mounting frame 1221 is provided with a first bottom hole 1223, the support base 121 is provided with a second bottom hole 1211, the first bottom hole 1223 and the second bottom hole 1211 communicate, the first bottom hole 1223 and the second bottom hole 1211 form the bottom hole 15, the lower mounting frame 1222 is further provided with a third bottom hole 1222a, the light guide member 123 is installed on a surface of the mounting frame 122 near the rotation cavity 14, and the light guide 123 is inserted into the mounting table 11 through the second bottom hole 1211 and the top hole 111.

As shown in fig. 4, in the rotating ring 20, the rotating ring 20 is sleeved on the support base 121 and can rotate relative to the support base 121, the inner wall of the rotating ring is provided with driving gear teeth 21, the driving gear teeth 21 protrude toward the support base 121, the distance between two opposite side walls of the support base 121 is smaller than the maximum diameter of the mounting table 11, so that the driving gear teeth 21 can be clamped between the support base 121 and the mounting table 11 without falling off, the cover plate 80 is clamped on the side surface of the protruding driving gear teeth 21 of the rotating ring 20, and the cover plate 80 is clamped above the knob holder 10.

As for the transmission gear 30, as shown in fig. 4, the transmission gear 30 includes a plurality of sets of first gear shafts 31 and gear bodies 32, the first gear shafts 31 and the gear bodies 32 are fixed on the first gear shafts 31, one ends of the first gear shafts 31 are inserted into the supporting bases 121 and are arranged in the side grooves 13 at intervals, the other ends of the first gear shafts 31 are inserted into the top holes 111 of the mounting table 11, and the gear bodies 32 are engaged with the driving gear teeth 21 and the driven gear 40.

As shown in fig. 4, 7 and 8, the driven gear shaft 40 and the elastic member 50 are provided with a plurality of recesses 41, a plurality of retaining grooves 42, a plurality of receiving grooves 43 and a plurality of bosses 44 on the driven gear shaft 40, the plurality of recesses 41 are disposed around the driven gear shaft 40, the receiving grooves 43 are disposed on a surface of the driven gear shaft 40 facing the encoder 60, the bosses 44 are extended toward the receiving grooves 43, and the retaining grooves 42 are disposed on the bosses 44. The elastic piece 50 is provided with an elastic sheet 51 and a protrusion 52, the protrusion 52 is arranged on one end of the elastic sheet 51, and the other end of the elastic sheet 51 is fixed on the mounting table 11; the protrusion 52 is used for abutting against the groove 41, and when the driven gear shaft 40 rotates, the elastic sheet 51 moves along the groove 41 and generates vibration to enhance the feedback hand feeling; the knob 1 further includes a waterproof ring 90, the waterproof ring 90 is mounted in the receiving groove 43, and the waterproof ring 90 abuts against the boss 44.

For the above-mentioned encoder 60, as shown in fig. 4, 9 and 10, the encoder 60 includes an encoder body 61 and a rotary shaft 62, the encoder body 61 is movably connected with the rotary shaft 62, the encoder body 61 is mounted on the circuit board 70, the circuit board 70 and the encoder 60 are both mounted in the mounting bracket 122, the rotary shaft 62 is electrically connected with the encoder body 61, the encoder body 61 is electrically connected with the circuit board 70, the rotary shaft 62 passes through the bottom hole 15, the rotary shaft 62 is inserted into the limiting groove 42, and the rotary shaft 62 of the encoder 60 is in clamping connection with the limiting groove 42.

Further, as shown in fig. 11, the rotating shaft 62 includes a shaft seat 621 and a rotating rod 622, the shaft seat 621 is fixed to the encoder body 61, the rotating rod 622 is rotatably disposed on the shaft seat 621, the waterproof ring 90 is sleeved on the shaft seat 621, and the rotating rod 622 is clamped with the limiting groove 42 after passing through the waterproof ring 90.

For the circuit board 70, as shown in fig. 4, 9 and 10, the circuit board includes a circuit board body 71, a connector 72 and a light emitting element 73, the connector 72 and the light emitting element 73 are both electrically connected to the circuit board body 71, the connector 72 is exposed on a surface of the lower mounting frame 1222 facing away from the upper mounting frame 1221, and the light emitting element 73 abuts against one end of the light guide element 123 close to the mounting frame 122, so that the light emitting element 73 serves as a light source to transmit light to the cover plate 80 along the light guide element 123.

Further, as shown in fig. 12 and 13, the circuit board body 71 is provided with a control module 711, the control module 711 is electrically connected with the encoder body 61, and the control module 711 is electrically connected with the light emitting member 73;

for the convenience of the reader to understand the principle of the circuit board 70, the following two usage states of the circuit board 70 are described in conjunction with the control functions of the circuit board:

(1) when the rotating ring 20 rotates, the rotating ring 20 drives the transmission gear 30 to rotate, the transmission gear 30 drives the driven gear shaft 40 to rotate, and the driven gear shaft 40 drives the rotating shaft 62 of the encoder 60 to rotate. The rotating ring may be rotated in clockwise and counterclockwise directions of the first direction F1 while the encoder 60 transmits a rotation signal to the control module 711.

(2) The rotary knob 1 is reciprocatingly movable in a second direction F2, and when the mount table 11 is pressed, the mount table 11 transmits a pressing force to the driven pinion 40, the driven pinion 40 transmits a pressing force to the rotary shaft 62, the rotary shaft 62 compresses the spring 63, and when the pressing force applied to the mount table 11 is removed, the spring 63 is extended, and at the same time, the encoder 60 transmits a pressing signal to the control module 711.

For the convenience of the reader to understand the inventive concept of the present invention, three working processes of the knob 1 are described as follows.

(1) Step S10: when the knob 1 is rotated, the knob 1 drives the rotating shaft 62 of the encoder 60 to rotate, and the encoder 60 transmits a rotation signal to the control module 711.

Step S20: the control module 711 recognizes the rotation signal and controls the adjustment of the current function of the toilet, such as: and adjusting the water pressure and the water temperature of the closestool.

(2) Step S30: when the knob 1 is pressed, the knob 1 is rotated, the knob 1 pushes the rotating shaft 62 of the encoder 60 to press down, the rotating shaft 62 is rotated, and the encoder 60 transmits a pressing rotation signal to the control module 711.

Step S40: the control module 711 recognizes the push rotation signal, the control module 711 switches the toilet adjustment function, and other adjustment functions include, for example: the air outlet temperature and the wind power of the toilet are adjusted, or the light intensity of the luminous element 73 is adjusted.

(3) Step S50: when the knob 1 is pressed for a long time, the knob 1 pushes the rotating shaft 62 of the encoder 60 to press down, and the encoder 60 transmits a long-time pressing signal to the control module 711.

Step S60: the control module 711 recognizes the long pressing signal, and the control module 711 opens or cuts off the electrical connection between the connector 72 and the energy source of the toilet, so as to control the on/off of the toilet.

In some embodiments, as shown in fig. 13 to 15, the cover plate 80 extends to form a plurality of hooks 81, the cover plate 80 is disposed in the top hole 111 of the mounting platform 11 in a covering manner, the hooks 81 pass through the top hole 111, and the hooks 81 are used for engaging with the retaining ring 112, where as shown in fig. 13 and 14, the hooks 81 further abut against the driven gear shaft 40, the hooks 81 include a rod portion 811 extending from the cover plate 80 and a hook portion 812 extending from the rod portion 811, and a length from a hook tip of the hook portion 812 to a surface of the mounting platform 11 facing away from the base 12 is greater than a first length, where the first length is a distance from a surface of the mounting platform 11 facing away from the base 12 to a surface of the retaining ring 112 facing towards the base 12.

In some embodiments, as shown in fig. 13 and 14, the transmission gear 30 further includes a plurality of sets of elastic gears 33 and second gear shafts 34, the elastic gears 33 are fixed on the second gear shafts 34, one end of each second gear shaft 34 is inserted into the base 12 and is spaced apart from the side groove 13, and the elastic gears 33 are engaged with the driving gear 21 and the driven gear 40.

In some embodiments, as shown in fig. 13 and 14, a side wall of the supporting base 121 is further provided with a side hole 1212, the elastic element 50 may be an elastic pin 53, the elastic pin 53 is accommodated in the side hole 1212, one end of the elastic pin 53 abuts against the driving gear teeth 21 of the rotating ring 20, and the other end of the elastic pin 53 abuts against the gear teeth of the driven gear shaft 40, when the rotating ring 20 and the driven gear 40 rotate, a displacement difference between the gear teeth of the rotating ring 20 and the driven gear 40 changes to continuously compress or extend the elastic pin 53, so that a spring of the elastic pin 53 is continuously compressed or extended, when the spring of the elastic pin 53 is compressed, the elastic pin 53 is accommodated in the side hole 1212, and when the spring of the elastic pin 53 is extended, a ball of the elastic pin 53 pushes a bead of the elastic pin 53 to abut against the rotating ring 20, to convey a feedback feel.

In an embodiment of the present invention, there is provided a knob 1 including a knob holder 10, a rotating ring 20, a transmission gear 30, a driven pinion 40, an elastic member 50, an encoder 60, and a circuit board 70. The knob support 10 is provided with a side groove 13, a rotating cavity 14 and a bottom hole 15, the side groove 13 and the bottom hole 15 are both communicated with the rotating cavity 14, the side groove 13 is positioned on the side wall of the knob support 10, and the bottom hole 15 is positioned at the bottom of the knob support 10; the rotating ring 20 is sleeved on the knob bracket 10, the rotating ring 20 can rotate relative to the knob bracket 10, and the inner wall of the rotating ring 20 is provided with driving gear teeth 21; the transmission gear 30 is rotatably arranged in the side groove 13, and the transmission gear 30 is meshed with the driving gear teeth 21; the driven gear shaft 40 is accommodated in the rotating cavity 14, the driven gear shaft 40 can rotate relative to the rotating cavity 14, and the driven gear shaft 40 is meshed with the transmission gear 30; one end of the elastic element 50 is fixed on the knob bracket 10, and the other end of the elastic element 50 abuts against the driven gear shaft 40; the circuit board 70 is mounted on the knob bracket 10; the encoder 60 is disposed on the circuit board 70, the rotary shaft 62 of the encoder 60 extends into the rotary cavity 14 from the bottom hole 15, the rotary shaft 62 of the encoder 60 is connected with the driven gear shaft 40 in a clamping manner, and the encoder 60 is electrically connected with the circuit board 70. With the above structure, the rotating ring 20, the transmission gear 30, the driven gear shaft 40 and the rotating shaft 62 of the encoder 60 form an epicyclic gear train, when the rotating ring 20 rotates, the rotating ring 20 drives the transmission gear 30 to rotate, the transmission gear 30 drives the driven gear shaft 40 to rotate, and the driven gear shaft 40 drives the rotating shaft 62 of the encoder 60 to rotate. Through the mode, the rotary knob 1 can control the closestool, meanwhile, the feedback effect is enhanced, so that a user can intuitively know whether the operation or debugging of the closestool is finished or not by the current user through the feedback effect of the rotary knob 1.

The embodiment of the present invention further provides a toilet, as shown in fig. 16, the toilet includes the above-mentioned knob 1, and please refer to the above-mentioned embodiment for the structure and function of the knob 1, which is not repeated herein.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention. Those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A knob, comprising:

the rotary knob comprises a rotary knob support, a rotary knob support and a rotary knob support, wherein the rotary knob support is provided with a rotary cavity, side grooves and a bottom hole, the side grooves and the bottom hole are communicated with the rotary cavity, the side grooves are located on the side wall of the rotary knob support, and the bottom hole is located at the bottom of the rotary knob support;

the rotating ring is sleeved on the knob support and can rotate relative to the knob support, and the inner wall of the rotating ring is provided with driving gear teeth;

the transmission gear is rotationally arranged in the side groove and is meshed with the driving gear teeth;

a driven gear shaft which is accommodated in the rotation chamber and can rotate relative to the rotation chamber, wherein the driven gear shaft is meshed with the transmission gear;

one end of the elastic piece is fixed on the knob bracket, and the other end of the elastic piece is abutted against the driven gear shaft;

a circuit board mounted on the knob bracket;

the encoder comprises an encoder body and a rotating shaft, the rotating shaft is connected with the encoder body, the encoder body is mounted on the circuit board and is electrically connected with the circuit board, the rotating shaft extends into the rotating cavity from the bottom hole, and the rotating shaft of the encoder is fixed with the driven gear shaft;

when the rotating ring rotates, the rotating ring drives the transmission gear to rotate, the transmission gear drives the driven gear shaft to rotate, and the driven gear shaft drives the rotating shaft of the encoder to rotate.

2. The knob according to claim 1,

the elastic piece is provided with a spring plate and a bulge, the bulge is arranged on one end of the spring plate, and the other end of the spring plate is fixed on the knob bracket;

the driven gear shaft is provided with a plurality of grooves, the grooves surround the driven gear shaft, the protrusions are used for being abutted to the grooves, and when the driven gear shaft rotates, the elastic pieces move along the grooves and generate vibration.

3. The knob according to claim 1,

the driven gear shaft is provided with a limiting groove;

the rotating shaft is inserted into the limiting groove, and the rotating shaft of the encoder is clamped with the limiting groove.

4. The knob according to claim 3,

the rotary shaft comprises a shaft seat and a rotary rod, the shaft seat is fixed on the encoder body, and the rotary rod is rotatably arranged on the shaft seat;

an accommodating groove and a boss extending towards the accommodating groove are formed in one surface, facing the encoder, of the driven gear shaft, and the limiting groove is formed in the boss;

the knob still includes waterproof ring, waterproof ring install in the accepting groove, and waterproof ring with the boss butt, waterproof ring cover locate with the axle bed, the rotary rod is followed waterproof ring pass the back with the spacing groove joint.

5. The knob according to claim 1,

the knob bracket comprises a mounting table and a base;

the mounting table and the base are arranged at intervals, a gap between the mounting table and the base forms the side groove, two ends of the transmission gear are respectively connected with the mounting table and the base in a rotating mode, the mounting table and the base are enclosed to form the rotating cavity, and the bottom hole is formed in the base.

6. The knob according to claim 5,

the mounting table is provided with a top hole, and a baffle ring extends towards the top hole;

the knob still includes the apron, the apron extends there is the trip, the apron lid is located the apical pore of mount table, the trip passes the apical pore, the trip is used for the joint to keep off the ring, wherein, the trip is still the butt driven pinion shaft.

7. The knob according to claim 6, wherein the hook comprises a rod extending from the cover plate and a hook extending from the rod, and a length from a hook tip of the hook to a surface of the mounting platform facing away from the base is greater than a first length, wherein the first length is a distance from a surface of the mounting platform facing away from the base to a surface of the retainer ring facing toward the base.

8. The knob according to claim 6, wherein the number of the hooks is plural, and the hooks are uniformly disposed on the cover plate.

9. The knob according to any one of claims 1 to 8,

the number of the transmission gears and the side grooves is multiple, the side grooves are uniformly formed in the side wall of the knob support, and one transmission gear is rotatably arranged in one side groove.

10. A toilet comprising the knob of any one of claims 1-9.

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