CN112944406A

CN112944406A - Control method of flexible control system of gas stove

Info

Publication number: CN112944406A
Application number: CN202110417239.9A
Authority: CN
Inventors: 于爱华
Original assignee: Shengzhou Wise Technology Service Co ltd
Current assignee: Shengzhou Wise Technology Service Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-06-11

Abstract

A control method of a flexible control system of a gas stove is characterized in that: the flexible coupling is arranged in the shell and comprises a driving belt pulley, a driven belt pulley, a long belt and a short belt, the driving belt pulley and the driven belt pulley are respectively connected with the shell in a mutual rotating mode, the long belt sequentially bypasses the driving belt pulley and the driven belt pulley, the short belt is arranged on one side of the long belt, and one end of the short belt and the long belt are of an integrated connection structure. The invention effectively solves the problems that the prior gas stove thermostatic device is inconvenient to adjust and the gas stove control device is easy to idle, slip or play in the using process.

Description

Control method of flexible control system of gas stove

Technical Field

The invention relates to the technical field of gas equipment, in particular to a control method of a flexible control system of a gas stove. F23N1/00 belonging to the IPC classification system; F23N 5/02; F24C 3/12.

Background

At present, the kitchen range is a Cooker, and English is translated into a Cooker. The range is divided into the following parts according to the used gas species: natural gas range, artificial gas range, and liquefied petroleum gas range. The material composition is as follows: there are cast iron stove, stainless steel stove, enamel stove. The method is divided into the following steps according to cooking range: single-hole range, double-hole range and multi-hole range. The ignition method comprises the following steps: an electric pulse-dissecting ignition stove and a piezoelectric ceramic ignition stove. The installation mode is divided into: desk-top stoves, built-in stoves. The table cooker mainly comprises a burner (a burner, an inner fire cover and an outer fire cover), a valve body (comprising a nozzle, a wind door plate and a conical spring), a shell (which can be formed by assembling a split shell, a panel, a rear plate, a left side plate and a right side plate, or can be integrally stretched), a stove frame, a knob, a liquid containing disc, a stove foot, an air inlet pipe, a pulse igniter (special for pulse ignition type cookers) and the like. The embedded kitchen range mainly comprises an embedded combustor (a furnace end, an inner fire cover, an outer fire cover and the like), a valve body (comprising a nozzle, a wind door plate, a conical spring and an electromagnetic valve), a panel (comprising a toughened glass panel, a stainless steel panel, an oil-sticking-free panel and the like), a furnace frame, a knob, a liquid containing disc, furnace feet, a bottom shell, an air inlet pipe, a connecting pipe and a pulse igniter.

For example, chinese patent publication No. CN201621236819.9 discloses an intelligent control device for a gas stove, and an intelligent system for a gas stove, which includes a housing, wherein the housing is provided with a connection component, a transmission component, a power component, a wireless module, and a power supply; the connecting part is connected with a gas stove switch shaft, and the transmission part is connected with the power part and the connecting part; wireless module receives command signal and will command signal transmits for power part is in order to control this power part drive transmission part, wireless module is bluetooth module or infrared module or WIFI module, the casing splices or detachable is fixed in the gas-cooker casing, adapting unit includes the first connecting piece that cup joints gas-cooker switch shaft and contains the second connecting piece of first connecting piece still includes the retaining member, retaining member butt or joint the second connecting piece, transmission part is gear drive or chain drive or takes rotating device, power part is motor drive, the power is the battery, and this battery detachable is fixed in the casing, gas-cooker intelligent control device connects the gas-cooker switch shaft, the cell-phone with gas-cooker control device wireless connection, wireless module receives and comes from the command signal of cell-phone and will command signal transmits for power signal transmission The component is used for controlling the power component to drive the transmission component. This gas-cooker intelligent control device can realize the control to the gas-cooker switch shaft, thereby just can control gas-cooker intelligent control device through the cell-phone and can realize the remote control to the gas-cooker switch shaft to this gas-cooker intelligent control device can directly improve on current gas-cooker, need not destroy the structure of current gas-cooker, compares the intelligent control gas-cooker of selling with the complete set, this gas-cooker intelligent control device reduce cost. For example, chinese patent No. cn201711122697.x discloses a gas cooker and a control device thereof, the gas cooker control device wirelessly communicates with a mobile terminal, the gas cooker control device includes: the device comprises a control module, a communication module, a motor, a transmission mechanism and a switch knob; the control module is respectively electrically connected with the communication module and the motor, and is used for receiving control information remotely transmitted by the mobile terminal through the communication module, generating a control command according to the control information and issuing the control command to the motor, wherein the control command comprises preset position information of the switch knob; the motor is connected with the transmission mechanism and used for controlling the transmission of the transmission mechanism according to the control instruction; the switch knob is connected with the transmission mechanism and is driven by the transmission mechanism to rotate to the preset position or to rotate under the manual control of a user; the switch knob comprises a knob operation plate, a ring gear surrounding the knob operation plate, and at least one spring and at least one ball which are used for clamping the ring gear and the knob operation plate, wherein the ring gear is meshed with the transmission mechanism; the side wall of the knob operation panel is provided with at least one blind hole, the inner wall of the ring gear is provided with a hemispherical groove at a position opposite to the blind hole, the spring is arranged in the blind hole, the ball is clamped in the hemispherical groove through the spring in an incompletely compressed state so as to clamp the ring gear and the knob operation panel, the transmission mechanism comprises a gear set, and the gear set comprises at least two gears which are meshed in sequence; the ball-type switch comprises a gear set, a motor, a ring gear, a ball, a switch knob, a knob operation panel, a through hole and a packaging shell, wherein a first-stage gear of the gear set is meshed with the motor, a last-stage gear of the gear set is meshed with the switch knob, the gear set is used for driving the switch knob to rotate to the preset position under the control of the motor, the side wall of the knob operation panel is attached to the inner wall of the ring gear, the inner wall of the ring gear is provided with an arc-shaped slide rail for sliding a ball, the depth of the arc-shaped slide rail is H, the radius of the ball is R, 0< H < R, and the depth H of the arc-shaped slide rail on the inner wall of the ring gear is R/2; the actuating mechanism includes: the first end of the lever is provided with a U-shaped part, the second end of the lever is provided with an armature, and the U-shaped part is attached to the switch knob; the electromagnet is electrically connected with the control module, is overlapped with the armature in the direction vertical to the bottom of the packaging shell, is fixed on the inner surface of the top of the packaging shell, is used for being electrified or powered off under the control of the control module to adsorb or release the armature and control the lifting of the second end of the lever so as to enable the U-shaped part to press or release the switch knob, and further comprises a displacement acquisition module and an image processing module; the displacement acquisition module is fixed in the packaging shell, and in the direction perpendicular to the axial extension direction of the switch knob, the displacement acquisition module is overlapped with the switch knob and is used for acquiring picture information of the switch knob; the image processing module is fixed in the packaging shell, is respectively electrically connected with the displacement acquisition module and the control module, is used for receiving picture information acquired by the displacement acquisition module, converting the picture information into displacement information of the switch knob moving along the axial direction or angle information of the switch knob rotating, and sending the displacement information or the angle information to the control module, and further comprises a photovoltaic power generation module and a lithium battery; the photovoltaic power generation module is fixed on the outer wall of the packaging shell, faces the gas stove, is electrically connected with the control module and the lithium battery respectively, and is used for converting light energy emitted by the gas stove into electric energy and supplying the electric energy to the control module and the lithium battery; the lithium battery is used for storing electric energy and supplying power to the control module, the communication module and the motor, and also comprises a camera and an infrared temperature detector; the camera is electrically connected with the control module, exposed outside the packaging shell through a through hole formed in the side wall of the packaging shell and facing the gas stove, and used for collecting a flame picture of the gas stove and sending the flame picture to the control module, so that the control module sends the flame picture of the gas stove to the mobile terminal through the communication module; the infrared temperature measurer is electrically connected with the control module, is exposed outside the packaging shell through a through hole formed in the side wall of the packaging shell, faces the gas stove, is used for collecting temperature information of the gas stove and sending the temperature information to the control module, so that the control module sends the temperature information of the gas stove to the mobile terminal through the communication module, and further comprises a display screen; the display screen with the control module electricity is connected, the display screen passes through the through-hole at encapsulation casing top is exposed in the encapsulation casing is outside, be used for showing the state information of gas range head, still including gas range head and gas-cooker controlling means, the device is connected control module with communication module and motor electricity respectively, is connected motor and drive mechanism to and be connected switch knob and drive mechanism, can realize the control information of wireless remote reception mobile terminal transmission, and send to the motor according to this control information production control command, the motor is according to control command control drive mechanism transmission, drive mechanism drives switch knob rotatory to predetermineeing the position, also can realize simultaneously that the operation of carrying out the rotation through user's manual control switch knob. The gas stove control device provided by the embodiment of the invention realizes modularization and can directly replace a switch knob of a traditional gas stove. To sum up, the embodiment of the invention solves the problems that the gas control device in the prior art occupies the operation space and the manual control and the automatic control can not be switched autonomously, realizes the intelligent control of the gas stove and the autonomous switching of the manual control and the automatic control; for example, chinese patent publication No. CN201620687584.9 discloses a control device for a household intelligent gas cooker, which comprises a fixed suction cup, an actuating shaft, a housing, a bottom plate, a motor unit, an angle measuring unit, an electromagnet, a battery, and a main control panel; the fixed sucker is a fixed and connected part between the control device and the gas stove, is mainly used for fixing and supporting the whole control device, and adjusts the height distance between the actuating shaft and the gas stove knob through the anti-skid knob; the fixed suckers are arranged on two sides of the bottom plate and fixed on the gas stove panel in an adsorption mode; the actuating shaft is matched and arranged at the center of the bottom plate through a small-gap shaft hole, can rotate and axially slide on the bottom plate, is connected with the gas stove knob through a knob chuck, transmits the rotation of the motor and the axial attraction of the electromagnet to the gas stove knob, and realizes the ignition action and the fire power adjustment; the motor part is fixed on the bottom plate, a motor shaft is superposed with the actuating axis, and the motor shaft is matched with the actuating shaft through a D-shaped hole, so that the torsion moment of the motor is transmitted to the actuating shaft, and the axial motion of the actuating shaft is not influenced; the angle measuring part is fixed on the bottom plate, is in gear transmission with the motor part and is used for detecting the rotating angle of the motor shaft and the actuating shaft and correspondingly obtaining firepower information of the gas stove through the calculation of the main control board; the electromagnet is fixed on the bottom plate, and the axis of the electromagnet is superposed with the actuating axis; the battery and the main control board are fixed on the shell, the battery provides power for the whole control device, and the main control board integrates a motor control module, an electromagnet control module, an angle measurement resolving module, a wireless communication module, a power supply module, an interface module and a main control module and controls corresponding execution mechanisms and devices to complete the charging and discharging, communication and gas stove control functions of the device; the shell is arranged on the bottom plate and used for protecting internal devices of the whole control device; the fixed sucker is composed of an anti-skid knob, a screw rod and a sucker body; because the control panel of the gas stove is generally a smooth stainless steel or plastic surface, the control panel of the gas stove is fixed in a sucker form with simple structure and convenient installation and disassembly, and the surface of a cooking bench cannot be damaged; the upper part of the fixed sucker is provided with an anti-skid knob, the middle part of the fixed sucker is provided with a screw rod, the lower part of the fixed sucker is provided with a sucker body, the screw rod is in spiral fit with the bottom plate, and the distance between the sucker body and the bottom plate is adjusted by rotating the fixed sucker part, so that the aim of adjusting the installation height of the whole device is fulfilled; and after the two sucker bodies are adsorbed on the surface of the cooking bench, the fixed sucker can not rotate any more, and the height of the control device is locked. The actuating shaft is a transmission core of the control device and consists of an armature section at the upper part, a knob chuck at the lower part and a return spring sleeved outside the armature section; the armature section mainly plays a role in guiding, realizing pressing action by matching with the electromagnet and realizing rotation transmission by matching with a motor shaft; the reset spring is a torsion and compression integrated spring and is used for restoring the actuating shaft to the original axial position after the electromagnet is powered off and ensuring that the knob of the gas stove is in a closed position when the control device breaks down. The knob chuck mainly has the function of clamping a gas stove knob and consists of a jaw seat and jaws; the back of the claw seat is provided with a dovetail groove matched with the actuating shaft, the dovetail groove is connected with the claws, and the distance between the two claws is changed by sliding the claws in the grooves, so that the purpose of adapting to different sizes of knobs of the gas stove is achieved; the jaw plate is provided with ratchets which are matched with the single ratchets on the jaw handle, so that the jaws can directly move towards the center of the jaw plate, and when the jaws move reversely, the jaw handle needs to be pinched to loosen the ratchet matching; the claw is provided with a rubber pad for increasing the friction force between the claw and the gas stove knob and ensuring the motion transmission; in addition, the knob chuck has different configurations to adapt to gas stove knobs with different shapes besides adjusting the size; the armature segment is made of soft magnetic material; the knob chuck is made of plastic; the reset spring is a torsion and compression integrated spring made of stainless steel; when the electromagnet is powered on, the actuating shaft is pressed down, the return spring is compressed, and when the electromagnet is powered off, the axial return of the actuating shaft is realized by the return spring; when the actuating shaft rotates, the return spring is twisted, under normal condition, the rotating return of the actuating shaft is still completed by the motor, but when the control device breaks down, the return spring can still ensure the return of the actuating shaft, so that the gas stove is in a fire-off state. The motor part consists of a motor, a bracket and a motor gear, the motor is a direct current rotating motor with low rotating speed and large torque, a motor shaft is cut into a D shape, and the motor gear is sleeved on the shaft; the angle measuring component consists of an angle measuring gear, a potentiometer and a bracket, and the angle measuring gear is meshed with the motor gear to form gear transmission. The electromagnet is a flat cylindrical electromagnet and surrounds the outside of the actuating shaft, and the upper surface of the electromagnet is subjected to smoothing treatment; the shell surface is provided with a power supply key, a USB interface for charging and communication and an external trigger interface. A user directly controls ignition, firepower adjustment and closing of the gas stove through APP of an intelligent terminal such as a mobile phone; a user presets the ignition time, the cooking time and the closing time of different firepowers of the gas stove through the APP; a user detects the working state of the gas stove in real time through the APP; when gas-cooker or controlling means broke down, the APP end in time sent the warning to the user, and controlling means is automatic in the off-state simultaneously. The fixed sucker is made of plastic, the lower part of the fixed sucker is a soft sucker body with the diameter of about phi 40mm, and the length of the screw rod is 50 mm. The shell is made of plastic materials, so that the weight is reduced, and a better surface appearance is obtained; the power supply key is responsible for switching on and off the whole control device, and a multi-color indicator lamp is integrated on the key at the same time and used for work indication, charging indication and electric quantity indication; the USB interface is in a standard USB form and is mainly used for charging the control device and connecting the control device with equipment such as a computer and the like in a wired manner; the external trigger interface is in an SM interface form, can be externally connected with a common gas detection alarm or a flame alarm in the market, and can be used for emergently closing the gas stove under the conditions of unexpected flameout or gas leakage and the like. The diameter of the claw disk is phi 45 mm. The angle measuring component and the motor component are independently and parallelly installed, so that the axial size of the motor can be controlled, the height of the whole control device is reduced, and the angle measuring component on the motor with an angle output function can be omitted. A user directly controls ignition, firepower adjustment and closing of the gas stove through APP of an intelligent terminal such as a mobile phone; a user presets the ignition time, the cooking time and the closing time of different firepowers of the gas stove through the APP; a user detects the working state of the gas stove in real time through the APP; when gas-cooker or controlling means broke down, the APP end in time sent the warning to the user, and controlling means is automatic to be in the closed condition simultaneously, adopts a low-cost additional control device, can realize the automatic control of ignition, firepower regulation and closing whole process. The whole control device is simple in structure and high in reliability, and has an automatic fire-extinguishing function in case of failure.

However, although the above prior art can solve the problems of adjusting and controlling the fire of some gas cookers, the above prior art solutions have certain disadvantages, both of which have the disadvantages of complex structure and inconvenient control. Particularly, the gas stove thermostatic device has the problems that the adjustment is inconvenient, and the gas stove control device is easy to idle, slip or play in the using process. In order to solve such problems, intensive research and exploration are necessary.

Disclosure of Invention

In order to solve the technical problems, the invention designs a control method of a flexible control system of a gas stove, and also comprises the flexible control system of the gas stove used for the control method, wherein the control method comprises a connecting device, a driving device and an adjustable thermostatic device, the connecting device comprises a shell, and a flexible coupler is arranged in the shell.

The technical scheme adopted by the invention is as follows: a control method of a flexible control system for a gas range, in which a driving pulley drives a driving shaft to rotate clockwise by a control knob, the driving pulley drives a driven pulley to rotate clockwise by a long belt and a short belt, the driven shaft of the driven pulley is interconnected with an adjustable thermostat extending inside the gas range, the control knob can operate and control the thermostat by a flexible coupling, one end of the short belt in the flexible coupling is interconnected with the long belt by a connection spring for compensating for expansion and contraction of the belt due to temperature changes, one end of the short belt of the flexible coupling is rigidly attached to the driving pulley, the connection spring is respectively attached to the free ends of the long belt and the short belt so as to be in a tensioned state, by the flexible coupling formed in this way, the rotational energy generated at the driving pulley is transmitted to the driven pulley without any energy loss or any gap, and the movement of the driving pulley and the driven pulley is not allowed to have any idle rotation when the connection spring is in a tensioned state.

The gas stove flexible control system adopting the control method is a gas stove flexible control system, and is characterized in that: the driving device is installed inside the connecting device, the adjustable constant temperature device is arranged on one side of the driving device, and the output end of the driving device is in driving connection with the adjustable constant temperature device.

Further, the coupling device comprises a shell, a flexible coupler is arranged in the shell and comprises a driving belt pulley, a driven belt pulley, a long belt and a short belt, the driving belt pulley and the driven belt pulley are respectively rotatably connected with the shell, the long belt sequentially bypasses the driving belt pulley and the driven belt pulley, the short belt is arranged on one side of the long belt, and one end of the short belt is integrally connected with the long belt.

Further, the tip of short belt and long belt all through first rivet fixed connection drive pulley is last, drive pulley's inside is offered and is used for holding the first through-hole of drive shaft, is provided with the metal sleeve in the inside of first through-hole, and this metal sleeve extends the casing to peg graft each other between with first through-hole.

Further, a connecting spring is arranged between the other end of the short belt and the long belt, and the other end of the short belt is connected with the long belt through the connecting spring.

Further, one end of the driving pulley is provided with a limiting device which is arranged on the outer end of the metal sleeve, and the end part of the metal sleeve and the limiting device are mutually and rotatably connected.

Further, the limiting means has a finger projecting on a plane thereof for limiting the rotation of the drive pulley, and a stopper is provided at a front end of the housing, the finger being engaged with one side or the other of the stopper for preventing strain on the first rivet and an adjacent portion of the flexible connector.

Furthermore, the outside of casing is provided with the backplate, the backplate with mutual vertical parallel arrangement between the casing, through two connecting screws reciprocal anchorage between backplate and the casing, one side of backplate is provided with control knob, control knob with through the drive shaft rotation connection each other between the driving pulley.

Further, a third through hole used for accommodating the driven shaft is formed in the driven belt pulley, a connecting rod is arranged on one side of the driven belt pulley, a lantern ring fastener is fixedly connected to one side of the shell, the driven shaft is inserted into the lantern ring fastener and the driven belt pulley, and the driven shaft is fixedly connected to one side of the driven belt pulley through the connecting rod.

Furthermore, one end of the driven shaft is provided with an extension part which is of a hollow sleeve type structure, one end of the extension part is in threaded connection with a shoulder screw, and the connecting rod is fixed at the connection position between the driven shaft and the driven belt pulley through the shoulder screw matched with the end part of the driven shaft.

The invention has the beneficial effects that: the invention provides a control method of a flexible control system of a gas stove, which comprises a coupling device, a driving device and an adjustable thermostatic device, wherein the coupling device comprises a shell, a flexible coupler is arranged in the shell, the flexible coupler comprises a driving belt pulley, a driven belt pulley, a long belt and a short belt, one end of the short belt of the flexible coupler is rigidly attached to the driving belt pulley, a connecting spring is respectively attached to the free ends of the long belt and the short belt so as to be in a tensioning state, the rotating energy generated at the driving belt pulley is transmitted to the driven belt pulley without any energy loss or any gap through the flexible coupler formed in the way, when the connecting spring is in the tensioning state, the movement of the driving belt pulley and the driven belt pulley can not have any idle rotation, the problems that the prior thermostatic device of the gas stove is inconvenient to adjust and the gas stove control device is easy to idle rotation in the using process are effectively solved, problems of slipping or play.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic sectional view showing the coupling device of the present invention.

Fig. 3 is a partially enlarged sectional structural view of a connection structure between a control knob and a coupling device according to the present invention.

Fig. 4 is a partially enlarged sectional view schematically showing the construction of the driven pulley in accordance with the present invention.

Fig. 5 is a partial enlarged sectional view schematically showing the construction of the driving pulley in accordance with the present invention.

Wherein:

1. a coupling device; 2. A housing; 3. A drive pulley;

4. a flexible coupling; 5. A long belt; 6. A short belt;

7. a connecting spring; 8. A driven pulley; 9. A first rivet;

10. a first through hole; 11. A restriction device; 12. A finger member;

13. a stopper; 14. A second rivet; 15. A connecting rod;

16. a shoulder screw; 17. A second through hole; 18. A drive shaft;

19. a control knob; 20. A tailgate; 21. A collar fastener;

22. a driven shaft; 23. An adjustable thermostatic device; 24. A gas stove;

25. a connecting screw; 26. An extension portion; 27. A third through hole;

28. metal sleeve

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 is a schematic sectional structure view of the present invention, fig. 2 is a schematic sectional structure view of a coupling device of the present invention, fig. 3 is a partially enlarged schematic sectional structure view of a connection structure between a control knob and the coupling device of the present invention, fig. 4 is a partially enlarged schematic sectional structure view of a driven pulley of the present invention, and fig. 5 is a partially enlarged schematic sectional structure view of a driving pulley of the present invention.

The first embodiment is as follows:

referring to fig. 1, 2, 3, 4 and 5, the flexible control system for a gas stove used in the control method comprises a coupling device 1, a driving device and an adjustable thermostat 23, wherein the driving device is installed inside the coupling device 1, the adjustable thermostat 23 is arranged at one side of the driving device, an output end of the driving device is in driving connection with the adjustable thermostat 23, the coupling device 1 comprises a housing 2, a flexible coupling 4 is arranged inside the housing 2, the flexible coupling 4 comprises a driving pulley 3, a driven pulley 8, a long belt 5 and a short belt 6, the driving pulley 3 and the driven pulley 8 are in mutual rotating connection with the housing 2, the long belt 5 sequentially bypasses the driving pulley 3 and the driven pulley 8, the short belt 6 is arranged at one side of the long belt 5, the one end of the short belt 6 and the long belt 5 are connected together, the ends of the short belt 6 and the long belt 5 are connected to the driving pulley 3 by a first rivet 9, the driving pulley 3 is provided with a first through hole 10 for receiving the driving shaft 18, a metal sleeve 28 is provided inside the first through hole 10, the metal sleeve 28 extends through the housing 2 and is inserted into the first through hole 10, a connection spring 7 is provided between the other end of the short belt 6 and the long belt 5, the other end of the short belt 6 is connected to the long belt 5 by the connection spring 7, the connection spring 7 is used for compensating expansion and contraction of the belt due to temperature change, one end of the short belt 6 of the flexible coupling device 1 is rigidly attached to the driving pulley 3, the connection spring 7 is respectively attached to the free ends of the long belt 5 and the short belt 6, so as to be in a tensioned state, by means of the flexible coupling 4 formed in this way, the rotational energy generated at the driving pulley 3 will be easily transmitted to the driven pulley 8 without any energy loss or any clearance, as shown in figure 2, the connecting spring 7 being in a tensioned state and having a value greater than that required to drive the driven pulley 8 and any load that may be attached thereto, so as to prevent the connecting spring 7 from being stretched beyond the elastic limit and becoming improper, so that there is no lost motion of the movement of the driving pulley 3 and the driven pulley 8, said driven pulley 8 and the flexible coupling 4 operatively coupling both, the rotation limiting means 11 for limiting the rotation of the driving pulley 3 and the sleeve or collar fastener 21 for rotatably mounting the driven pulley 8 on the housing 2, as shown in figure 2 of the accompanying drawings, the diameter of the drive pulley 3 is relatively small compared to the driven pulley 8, the drive pulley 3 and the driven pulley 8 being rotatably mounted on the housing 2 and having suitable first and third through-holes 10 and 27, respectively, the first through-hole 10 being for receiving the drive shaft 18 and the third through-hole 27 being for receiving the driven shaft 22, it being understood by those skilled in the art that the drive shaft 18 and the driven shaft 22 may be rotatably mounted on the housing 2 or any other suitable means, if desired.

Example two:

referring to fig. 1, 2, 3, 4 and 5, a flexible control system for a gas range is provided, wherein one end of the driving pulley 3 is provided with a limiting device 11, the limiting device 11 is arranged on the outer end of a metal sleeve 28, and the end of the metal sleeve 28 is rotationally connected with the limiting device 11. As shown by the broken line in fig. 5 of the accompanying drawings, said limiter 11 has a finger 12 projecting on its plane, which finger 12 is used to limit the rotation of said driving pulley 3, a stopper 13 is provided at the front end of said housing 2, said finger 12 is engaged with one side or the other side of the stopper 13 to prevent the strain on the first rivet 9 and the adjacent portion of the flexible connector, said driving pulley 3 has a metal sleeve 28 inserted in the first through hole 10, said limiter 11 is placed on the outer end of the metal sleeve 28 extending through the housing 2, the end of the metal sleeve 28 is rotated to the limiter 11, the driven pulley 8 is rotatably mounted on the housing 2 by means of a collar fastener 21, said collar fastener 21 has a projecting extension 26, which extension 26 is of hollow telescopic construction, a shoulder screw 16 is screwed to one end of the extension 26, a link 15 is provided at one side of the driven pulley 8, a collar fastener 21 is fixedly connected to one side of the housing 2, a driven shaft 22 is inserted into the collar fastener 21 and the driven pulley 8, and the link 15 fixedly connected to one side of the driven pulley by the link 15 is tightly held on the driven shaft 22 and the driven pulley 8 by a shoulder screw 16 engaged with an end of the driven shaft 22, the link 15 is fixed at a connection between the driven shaft 22 and the driven pulley 8 by the shoulder screw 16 engaged with the end of the driven shaft 22, the extension 26 is inserted through a third through hole 27 when the driven pulley 8 is installed, then the driven pulley 8 is placed on the extension 26, then the extension 26 is rotated onto the driven pulley 8, the driven shaft 22 is inserted into the driven pulley 8, where it is rigidly attached to the driven pulley 8 by the link 15, the connecting rod 15 interacts with the square end of the driven shaft 22 and the second through hole 17 in the driven pulley 8.

Example three:

referring to fig. 1, 2, 3, 4 and 5, a flexible control system for a gas range used in the control method, the ends of the long belt 5 and the short belt 6 are fixed to the drive pulley 3, as shown in figure 2 of the accompanying drawings, wound around the drive pulley 3, in this case, the long belt 5 and the short belt 6 are riveted to the drive pulley 3 at a point of 180, and beyond the angle at which the belt initially makes contact with said pulley, the long belt 5 and the short belt 6 are rigidly attached to the drive pulley 3 in this way, the drive pulley 3 will rotate freely substantially twice the angle between the first rivets 9, substantially 360, when each limit of rotation is reached, the protruding fingers are arranged to engage one side or the other of the stop 13, thereby preventing strain on the first rivet 9 and the adjacent portion of the flexible coupling 4. However, a drive shaft 18 which is rotated by a total amount substantially twice the angle between the first rivets 9 will depend on the relative position of the first rivets 9, and as mentioned above, the drive shaft 18 may have any predetermined value depending on the predetermined position of the first rivets 9, and in the case of a long belt 5 of the flexible coupling 4 being firmly attached to the driven pulley 8 by the first rivets 9, no slipping or movement will obviously occur between the driven pulley 8 and the flexible coupling 4. All the rotational energy generated at the driving pulley 3 is transmitted to the driven pulley 8 without the problem of idle running, slipping or play. A rear baffle 20 is arranged on the outer side of the shell 2, the rear baffle 20 and the shell 2 are vertically arranged in parallel, the rear baffle 20 and the shell 2 are fixed with each other through two connecting screws 25, a control knob 19 is arranged on one side of the rear baffle plate 20, the control knob 19 and the driving belt pulley 3 are mutually and rotatably connected through a driving shaft 18, may be firmly attached to the tailgate 20 by two connecting screws 25, the drive shaft 18, which is rigidly attached to the drive pulley 3, extending through the tailgate 20, the driven shaft 22 likewise extending through the tailgate 20, in this case, the driven shaft 22 is operatively associated with any suitable adjustable thermostatic device 23, the adjustable thermostat 23 extends inside a gas cooking range 24, said control knob 19 being able to operate and control the thermostat by means of the flexible coupling 4, without any idle or backlash problems.

The invention provides a control method of a flexible control system of a gas stove and the flexible control system of the gas stove using the control method, the invention comprises a coupling device 1, a driving device and an adjustable constant temperature device 23, the driving device is arranged in the coupling device 1, the adjustable constant temperature device 23 is arranged at one side of the driving device, the output end of the driving device is mutually connected with the adjustable constant temperature device 23 in a driving way, the coupling device 1 comprises a shell 2, a flexible coupler 4 is arranged in the shell 2, the flexible coupler 4 comprises a driving belt pulley 3, a driven belt pulley 8, a long belt 5 and a short belt 6, the driving belt pulley 3 and the driven belt pulley 8 are respectively connected with the shell 2 in a rotating way, the long belt 5 sequentially rounds the driving belt pulley 3 and the driven belt pulley 8, in use of the invention, the driving pulley 3 drives the driving shaft 18 to rotate clockwise by means of the control knob 19, the driving pulley 3 drives the driven pulley 8 to rotate clockwise by means of the long belt 5 and the short belt 6, the driven shaft 22 of said driven pulley 8 is interconnected with the adjustable thermostat 23 extending inside the gas range 24, the control knob 19 can operate and control the thermostat by means of the flexible coupling 4, one end of the short belt 6 in the flexible coupling 4 is interconnected with the long belt 5 by means of the connecting spring 7, the connecting spring 7 is used to compensate for the expansion and contraction of the belt due to temperature changes, one end of the short belt 6 of the flexible coupling 1 is rigidly attached to the driving pulley 3, the connecting spring 7 is attached to the free ends of the long belt 5 and the short belt 6, respectively, so as to be in a tensioned state, by means of the flexible coupling 4 formed in this way, the rotational energy generated at the driving pulley 3 is transmitted to the driven pulley 8 without any energy loss or any gap, and when the connection spring 7 is in a tensioned state, it is possible to allow the movement of the driving pulley 3 and the driven pulley 8 without any idle rotation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A control method of a flexible control system of a gas stove is characterized in that: the driving pulley drives the driving shaft to rotate clockwise by the control knob, the driving pulley drives the driven pulley to rotate clockwise by the long belt and the short belt, the driven shaft of the driven pulley and the adjustable thermostat extending inside the gas range are connected to each other, the control knob can operate and control the thermostat by the flexible coupling, one end of the short belt in the flexible coupling is connected to the long belt by the connection spring for compensating for expansion and contraction of the belt due to temperature change, one end of the short belt of the flexible coupling is rigidly attached to the driving pulley, the connection springs are respectively attached to the free ends of the long belt and the short belt so as to be in a tensioned state, and the rotational energy generated at the driving pulley is transmitted to the driven pulley without any energy loss or any gap by the flexible coupling formed in this manner, when the connecting spring is in a tensioned state, it is possible to prevent any lost motion of the drive pulley and the driven pulley.

2. The flexible control system of a gas range using the control method as set forth in claim 1, wherein: the driving device is installed inside the connecting device, the adjustable constant temperature device is arranged on one side of the driving device, and the output end of the driving device is in driving connection with the adjustable constant temperature device.

3. The flexible control system of the gas stove as claimed in claim 2, wherein: the coupling device comprises a shell, a flexible coupler is arranged in the shell and comprises a driving belt pulley, a driven belt pulley, a long belt and a short belt, the driving belt pulley and the driven belt pulley are respectively rotatably connected with the shell, the long belt sequentially bypasses the driving belt pulley and the driven belt pulley, the short belt is arranged on one side of the long belt, and one end of the short belt and the long belt are of an integrated connecting structure.

4. The flexible control system of the gas stove as claimed in claim 3, wherein: the tip of short belt and long belt all is in through first rivet fixed connection on the driving pulley, the first through-hole that is used for holding the drive shaft is seted up to driving pulley's inside, is provided with metal sleeve in the inside of first through-hole, and this metal sleeve extends the casing to peg graft each other between with first through-hole.

5. The flexible control system of the gas stove as claimed in claim 3, wherein: and a connecting spring is arranged between the other end of the short belt and the long belt, and the other end of the short belt is connected with the long belt through the connecting spring.

6. The flexible control system of the gas stove as claimed in claim 4, wherein: one end of the driving belt pulley is provided with a limiting device which is arranged on the outer end of the metal sleeve, and the end part of the metal sleeve and the limiting device are mutually connected in a rotating way.

7. The flexible control system of the gas stove as claimed in claim 5, wherein: the limiting means has a projecting finger on its flat surface for limiting rotation of the drive pulley, and a stop is provided at the front end of the housing, the finger interengaging one or other side of the stop for preventing strain on the first rivet and the adjacent portion of the flexible connector.

8. The flexible control system of a gas stove as claimed in claim 7, wherein: the novel multifunctional electric fan is characterized in that a rear baffle is arranged on the outer side of the shell, the rear baffle and the shell are vertically arranged in parallel, the rear baffle and the shell are fixed with each other through two connecting screws, a control knob is arranged on one side of the rear baffle, and the control knob and the driving belt pulley are rotationally connected with each other through a driving shaft.

9. The flexible control system of the gas stove as claimed in claim 3, wherein: the third through-hole that is used for holding the driven shaft is seted up to driven pulley's inside, one side of driven pulley is provided with the connecting rod, at one side fixedly connected with lantern ring fastener of casing, during driven shaft inserts lantern ring fastener and driven pulley to through the connecting rod with its fixed connection in one side of driven pulley.

10. The flexible control system of a gas stove as claimed in claim 9, wherein: one end of the driven shaft is provided with an extension part which is of a hollow sleeve type structure, one end of the extension part is in threaded connection with a shoulder screw, and the connecting rod is fixed at the connection position between the driven shaft and the driven belt pulley through the shoulder screw matched with the end part of the driven shaft.