TW202100911A - Cylindrical security device in gas stove - Google Patents

Abstract

The present invention, cylindrical security device in gas stove, being assembled in an activated shaft, including: a gas knob, a connection module, a driven module and a control module; the gas knob forms a disc body with a covered area; the connection module connects gas knob and comprises a connector which can be used with the activated shaft has different sizes; the driven module comprises a transmission unit which being assembled in a connection unit and a driver which can be selectively connected or separated to the transmission unit; the control module can control the driver through monitoring the activation of gas knob; wherein, three of the connection module, driven module and control module are overlapped with each other in the covered area of disc body, so three of them performs an lengthwise arrangement along the axis direction of activated shaft, for reducing the volume of the whole cylindrical security device.

Description

Columnar safety device for gas stove

The invention is a stove safety device, especially a stove safety device installed at a knob switch.

For home safety, forgetting to turn off the stove is often a problem that requires special attention. Among them, in order to prevent users from forgetting to turn off the stove, in the technology to prevent this problem, without changing the design of the gas stove itself, At present, there are technologies on the market to add timing switches to gas supply lines or gas switches.

In the detailed design of the latter, the common device style is to design an additional device that can automatically rotate as the knob of the gas switch or the shaft of the knob. However, because such a device adds additional components, the device itself will occupy A certain volume, and other problems such as the device is too large and difficult to install, or fall off after installation, or because of the interference problem of too large volume, only a switch can be installed on the gas stove to add the device and many more.

On the issue of reducing the size of the device, unless it is specifically redesigned for each component, it is limited by the volume limitations of the existing parts in the market. The size of the device will be affected by such as batteries, driving devices, transmission devices, knobs or buttons, The display screen and other components have a limited volume. Therefore, if you do not want to reduce the size of the device by changing the design of the component itself, you must change the placement and setting of the components in the device to reduce the size of each other. Space to reduce the volume of the device.

The main purpose of the present invention is to provide a stove safety device, which reduces the overall volume of the device by changing the original configuration, so that when multiple devices are installed on the same stove, the volume interference between each other can be avoided and the volume is prevented from being too large. danger.

In order to achieve the above object, the column safety device of the gas stove of the present invention is installed on a start shaft of the gas stove and includes: a knob, a connection module, a drive module and a control module.

The knob is configured with a disc body forming a covering area, the disc body has a control side and a connecting side located opposite to the control side, the connecting side is provided with a connecting shaft along the direction of the activation axis; the connecting module , Connected to the connecting shaft and constructed with a connecting head capable of matching different starting shaft sizes; the drive module has a driver and a transmission assembly, the transmission assembly is assembled with the connection module, and the driver can be selectively The transmission component is connected or separated; the control module is electrically connected to the driver, and is provided with a sensor for detecting the movement of the knob to generate an activation signal to control the driver.

Wherein, the connection module, the drive module, and the control module are all overlapped on the covering area of the disc body, so that the knob, the control module, the drive module, and the connector present a direction toward the activation axis The direction of the vertical arrangement.

In terms of structural details, in a preferred embodiment, the column safety device of the gas stove includes a base, and a first housing for accommodating the drive module and the control module is provided inside the base Space and a second accommodating space located below the first accommodating space for accommodating the connection module, in the first accommodating space, the long axis of the driver is perpendicular to the central axis of the base, and The driver is located on one side of the central axis.

In the first accommodating space, in the first accommodating space, the long axis of a power slot of the control module is perpendicular to the central axis of the base, and the driver and the power slot are respectively located on the central axis On the opposite sides.

In the preferred embodiment, a part of the control module is disposed above the driver and adjacent to the power slot, and the remaining part is disposed below the power slot and adjacent to the driver.

In the preferred embodiment, the connecting module has a gear plate that rotates in the direction of the start axis, the driver can drive a drive gear that rotates in a direction perpendicular to the start axis, and the transmission assembly includes a middle The relay gear allows the drive gear to indirectly drive the chainring through the relay gear.

And in the preferred embodiment, the relay gear has a first gear portion and a second gear portion, and the first gear portion and the second gear portion are respectively connected to the drive gear and the ring gear so that the The rotation axis of the driver and the rotation axis of the relay gear are parallel to each other, and the extension direction of the rotation axis of the relay gear can pass through the rotation axis of the gear plate.

Regarding how the drive module selectively connects the part of the transmission assembly, in the preferred embodiment, the drive module includes a clutch for connecting the driver and the transmission assembly, and the clutch includes a screw connecting the driver and a set of The clutch part connected to the screw, a limit slot for the clutch part and a drive gear connected to the transmission assembly; when the clutch is in the disengaged state, the clutch part and the drive gear are separated from each other, and the clutch part is affected by The screw and the limiting groove work together to move away from or approach the drive gear; when the clutch is in the connected state, the clutch and the drive gear are in contact with each other, and the clutch is acted on by the screw to drive the drive gear And then drive the transmission assembly.

Wherein, the drive gear is provided with a protrusion on the side close to the clutch, the clutch is provided with a brake on the side close to the drive gear, and the brake is provided with an engaging portion and an inclined portion adjacent to the engaging portion When the clutch member rotates in a first rotation direction, the engaging portion pushes against the protrusion, so that the clutch member drives the drive gear to rotate, when the clutch member rotates in a second rotation direction, the inclined portion contacts The protrusion causes sliding between the clutch member and the drive gear.

Regarding other functional elements, in a preferred embodiment, the knob can perform a reciprocating movement in the direction of the activation axis, and the control module includes a pressing member for starting a timer, and the pressing member is subjected to the knob Press against when moving back and forth.

In addition, in the preferred embodiment, the control module is further provided with a display screen, the display screen is adjacent to one side of the knob, and the knob is provided with a light-transmitting part for displaying the display screen.

Finally, in the preferred embodiment, the control module is also provided with a connection unit, and the connection unit is used to connect an external device capable of generating a reminder signal.

It can be seen from the above description that the present invention is characterized by overlapping the connection module, drive module, and control module in the coverage area formed by the dial body of the knob, and when they overlap, the three also present a direction toward the activation axis. The longitudinal arrangement of the direction reduces the volume of the entire safety device through such a configuration change.

In order to facilitate a deeper, clear and detailed knowledge and understanding of the structure, use and characteristics of the present invention, a preferred embodiment is given, and the detailed description is as follows in conjunction with the drawings:

1 and 2, the column safety device 10 of the gas stove of the present invention is connected to a start shaft 11 of the gas stove and includes a knob 20, a connection module 30, a drive module 40 and a control Module 50.

As shown in the figure, the knob 20 is configured with a disc body 22 forming a covering area 21. The disc body 22 has a control side 22a and a connection side 22b located opposite to the control side 22a. The connection side 22b is along the gas A starting axis direction 110 of the furnace is provided with a connecting shaft 221, the connecting shaft 221 has a first rotating shaft 221a connected with the plate 22 and a second rotating shaft 221b connected with the connecting module 30, the first rotating shaft 221a The second rotating shaft 221b is engaged with each other through a set of locking slots 221c, so that the first rotating shaft 221a can drive the second rotating shaft 221b to rotate.

The connecting module 30 is connected to the second rotating shaft 221b, and is configured with a connecting head 31 capable of matching different sizes of the starting shaft 11, so that the user can rotate the starting shaft 11 by turning the knob 20, wherein, regarding the connection Please refer to the following description for the head 31.

The driving module 40 includes a driver 41, a transmission component 42 and a clutch 43. The transmission component 42 of the driving module 40 is assembled to the connection module 30; the driver 41 of the driving module 40 is connected to different When rotating in the direction, the clutch 43 can selectively connect or disconnect the transmission assembly 42 and change between a separated state in which the driver 41 cannot drive the transmission assembly 42 and a combined state in which the driver 41 can drive the transmission assembly. The driver 41 can drive the connecting module 30 to rotate the start shaft 11, and when the knob 20 drives the start shaft 11 to rotate, the driver 41 is separated from the transmission assembly 42 and will not be affected.

The control module 50 is electrically connected to the driver 41 and includes a central controller 51 including a timing unit (not shown) and a connection unit 510, a display screen 52, a sensor 53, two indicator lights 54, A power slot 55 (which is provided with a cover 551) and a buzzer 56 for accommodating a power supply (such as a battery 552), and the components of the control module 50 and the driver 41 are electrically connected to each other, The sensor 53 is used to detect the movement position of the knob 20 so that the central controller 51 generates an activation signal to control the driver 41 to change the position of the knob 20 according to a set condition.

Wherein, as shown in the figure, the projection positions of the connection module 30, the drive module 40, and the control module 50 all overlap in the covering area 21 of the disk body 22 when combined, and present a direction toward the The longitudinal arrangement of the activation axis 110 can minimize the overall volume of the device.

Among them, in this embodiment, the above-mentioned elements of the column safety device 10 of the gas stove will not exceed the coverage area when installed, and the overall volume of the device can be reduced as much as possible; but in other embodiments There is no particular limitation in this, as long as it can be arranged in a longitudinal direction, even if a small part of some elements slightly protrudes from the covering area 21.

Please refer to Figures 2 and 3, in the detailed configuration of the components in this embodiment, the columnar safety device 10 of the gas stove includes a seat composed of an upper shell 61 and a lower shell 62 Body 60, inside the upper shell 61 is formed a first accommodating space 610 for accommodating the driving module 40 and the control module 50, and a first accommodating space 610 under the first accommodating space 610 for accommodating the connection The second accommodating space 620 of the module 30 (formed in the lower casing 62).

In the first accommodating space 610, the long axis 410 of the driver 41 is arranged perpendicular to the central axis 63 of the base 60, so that the height of the column safety device 10 of the gas stove will not be affected by the length of the driver 41 And greatly increased; and when set up, the driver 41 is also located on one side of the central axis 63, so that the long axis 410 of the driver 41 will not pass through the central axis 63, so that the shape of the remaining part of the first accommodating space 610 It can be kept as complete as possible to install other components; in this embodiment, the long axis 550 of the power slot 55 and the long axis 410 of the driver 41 are parallel to each other and are located on opposite sides of the central axis 63, respectively. The drive 41 and the power slot 55 can be as close as possible to each other.

As shown in FIG. 3, in this embodiment, the first accommodating space 610 includes a setting area 611. The setting area 611 is located above the driving module 40 and adjacent to the power slot 55, so that the driver 41 The center of the long axis 550 and the center of the long axis 550 of the power slot 55 are located on different height planes; the setting area 611 is used to accommodate the control module 50 such as the display screen 52 and the indicator lights 54 The components close to the surface of the base 60 are required so that a part of the components of the control module 50 are located above the driver 41 and adjacent to the power slot 55 which is also preferably provided on the surface of the base 60.

The display screen 52 and the indicator lamps 54 arranged on a substrate in the accommodating space can be displayed on the surface of the base 60. However, it is specifically stated that although the present invention does not particularly limit each of the control module 51 The installation position of the components, but in order to reduce the overall volume of the device, the buzzer 56 and the sensor 53 are installed in the installation area 611, and the central controller 51 is installed below and adjacent to the power supply slot 55 The driver 41; in addition; wherein, in this embodiment, the indicator light 54 includes a light-emitting element 54a (such as an LED) provided on the substrate, and a light used to guide the light-emitting element 54a to the base 60 The surface of the light guide 54b.

In this embodiment, in order to reduce the overall volume of the device, the knob 20 is made of a transparent material, and the knob 20 is formed on the knob 20 so that the user can directly observe the display screen 52 and the indicator light 54 through the knob 20 Of course, in other examples, the knob 20 does not necessarily need to be made of a transparent material, as long as the disc body 22 is provided with the transparent portion 222.

Regarding the operating mode of the sensor 53 in this embodiment, please refer to FIGS. 4A and 4B. A plurality of protrusions 221d are provided around the first rotating shaft 221a of the knob 20, and the length of one protrusion 221d is The protruding column 221d is longer so that the protruding column 221d is farther away from the axis of the first rotating shaft 221a, and can be triggered to the sensor 53 arranged in the setting area 611 when it rotates to a specific position, so that the control module 50 can use Whether the sensor 53 is triggered to determine the position of the first rotating shaft 221a, and then to determine the position of the starting shaft 11 to determine whether the gas stove is in a closed state 53a or an activated state 53b.

The present invention does not particularly limit the type of the sensor 53, so that in other embodiments of the present invention, the sensor 53 may be a reed switch for sensing the position of a magnet provided on the knob 20. And the magnet does not necessarily need to be arranged on the first rotating shaft 221a but one can be modified to be arranged on the disc body 20 to rotate with the disc body 20.

Please refer to FIG. 5A. In order to prevent the user from not hearing the buzzer 56 when the buzzer 56 is activated, or to prevent the user from not knowing that the battery of the cylindrical safety device 10 of the gas stove needs to be replaced and loses its function, in this embodiment In an example, the central controller 50 can connect to a mobile phone as a user of the external device 70 through the connection unit 510, and remind the user through an APP program; the invention does not connect to the connection unit 510 The connection method, connection object and activation conditions are limited. In different embodiments, the connection method can be a conventional Wi-Fi technology, and the connection object can be the alarm set in the apartment manager or the user’s family member. Mobile phones, tablets, etc., and the activation conditions can be operated according to the program set in the central controller 50,

Please refer to FIG. 5B. In another type of embodiment, the control module 50 may further include a pressing member 57 that can activate the timing unit of the central controller 51. In an embodiment of this type, the knob 20 can pass through The first rotating shaft 221a and the second rotating shaft 221b perform a reciprocating movement in the starting axis direction 110 to be able to move relatively, and the pressing member can receive the knob 20 at the lowest point of the reciprocating movement. 20 press to start the device when the unit.

Regarding the central controller 51, the present invention does not limit the conditions for the central controller 51 to send the activation signal, so that in one embodiment, the timing unit and the sensor 53 built in the central controller 51 are used. After confirming that the position of the starting shaft 11 is not at the position of the closed state 53a, the starting signal is sent to control the activation of the driver 41 and the buzzer 56 according to a set time as the set condition.

Please refer to Figure 3, Figure 6 to Figure 8B, about the part of the drive module 40, as mentioned above, the drive module 40 includes the driver 41, the clutch 43 and the transmission assembly 42, the above three elements (41, 42, 42 43) Commonly arranged in a gear box 44 and arranged in the first accommodating space 610; the driver 41 is connected to the clutch 43, and the clutch 43 is connected to a relay gear 421 as the transmission assembly 42, the relay gear 421 is connected to a sprocket 33 on the connecting module 30 so that the sprocket 33 can be indirectly driven by the relay gear 421 to drive the connector 31 to rotate with the driver 41 as a whole.

Wherein, the clutch 43 includes a screw 431 connected to the driver 41, a driving gear 432 connected to the transmission assembly 42, a clutch 433 connected to the screw 431, and a clutch member 433 formed on the gear box 44 for the clutch member The limiting groove 434 provided by 433, as shown in the figure, the clutch 433 is provided with a plurality of convex points 433a on the periphery of its two ends, and the limiting groove 434 has a long axis 550 extending in the direction of the driver 41 The first limit area 434a on the upper side and a second limit area 434b perpendicular to the extension direction of the first limit area 434a; when the clutch 43 is in a disengaged state 43b as shown in FIG. 8A, the clutch 433 and The driving gears 432 are separated from each other, and the convex point 433a of the clutch 433 is located in the first limit area 434a; when the clutch 43 is in a connected state 43a as shown in FIG. 8B, the clutch 433 and the The driving gears 432 are combined with each other, and the convex point 433a of the clutch 433 is located in the second limit area 434b.

When the clutch 43 is transformed from the disconnected state 43b of FIG. 8A to the connected state 43a of FIG. 8B, first, in the disconnected state 43b, the driver 41 starts to rotate in a first rotation direction, and drives the screw 431 rotates; wherein, because the convex point 433a is located in the first limit area 434a and is pushed by the wall surface of the limit groove 434 in the first rotation direction, when the screw 431 rotates in the separated state 43b At this time, the clutch 433 does not rotate with the screw 431 and can only move relative to the screw 431 inside and the screw 431, and then the starting position completely separated from the driving gear 432 in the figure is toward the driving gear 432. The direction is close.

When the groove of the clutch member 433 continues to move toward the driving gear 432 so that the convex point 433a enters the second limit region 434b from the first limit region 434a, the driving gear 432 and the clutch member 433 The contact presents the combined state 43a as shown in FIG. 8B; wherein, in the combined state 43a, the convex point 433a of the clutch 433 is located in the second limiting area 434b and will not be affected by the limiting groove 434 in the Pushing in the first rotation direction, the clutch 433 will be acted by the screw 431 to rotate together, thereby driving the driving gear 432 and the relay gear 421 as the transmission assembly 42.

Wherein, as shown in FIG. 7, the driving gear 432 is provided with a protrusion 432a at one end close to the clutch part 433, and the front end of the clutch part 433 is provided with a quadrangular brake part 433b on the side close to the driving gear 432. The brake part Each side of 433b is provided with a right-angled triangular acting portion 311a, one strand of the acting portion 311a is formed as an engaging portion 433d, and the hypotenuse of the braking member 433b is formed as an adjacent to the engaging portion 433d The inclined portion 433e; the engaging portion 433d can contact and push the protrusion 432a when the clutch 433 rotates in the first rotation direction. In the coupled state 43a, the clutch 433 can drive the driving gear 432 to rotate in the first rotation direction.

From the above description, it can be seen that when the driver 41 is activated and rotates in the first rotation direction, it actually includes two strokes. One is the first stroke that transforms the clutch 43 from the disconnected state 43b to the engaged state 43a, and the other To drive the transmission assembly 42, the connection assembly and the second stroke of the start shaft 11 to rotate.

When the clutch 43 is transformed from the disengaged state 43b of FIG. 8A to the engaged state 43a of FIG. 8B, first, the central controller 51 controls the driver 41 to rotate in a second rotation direction opposite to the first rotation direction. The screw 431 rotates and drives the screw 431 to rotate. Because most of the position of the convex point 433a in the second limit area 434b is restricted by the bottom pushing of the limit groove 434, the clutch 433 can only interact with the The screw 431 rotates together, and in the process of rotating, the inclined portion 433e of the brake 433b of the clutch 433 is moved toward the driver 41 by the action of the protrusion 432a of the drive gear 432, thereby, when the clutch When the convex point 433a on the member 433 rotates in the second limit area 434b to the junction of the second limit area 434b and the first limit area 434a, it can be acted on by the driving gear 432 to make the protrusion 432a Enter the first limit area 434a.

Then, because the protrusion in the first limiting area 434a is pushed by the wall surface of the limiting groove 434 and cannot rotate, the screw 431 and the limiting member are relatively rotated, thereby causing the limiting groove The 434 moves toward the limiting member, so that the clutch 433 is completely separated from the driving gear 432.

It can be seen from the above description that when the driver 41 is activated to rotate in the second rotation direction, it also includes two strokes. One is to drive the screw 431 and the clutch 433 to rotate together, and to make the protrusion on the clutch 433 The point 433a enters the third stroke of the first limit area 434a, and a protruding point 433a on the clutch 43 moves in the first limit area 434a to completely separate the clutch 433 from the drive gear 432 Fourth trip.

Regarding the relay gear 421, in this embodiment, the relay gear 421 has a first gear portion 421a and a second gear portion 421b, and the first gear portion 421a and the second gear portion 421b are respectively connected to the The drive gear 432 and the ring gear 33 enable the rotation axis of the driver 41 and the rotation axis of the relay gear 421 to be parallel to each other, and the extension direction of the rotation axis of the relay gear 421 can still pass the rotation of the ring gear 33 Shaft, and the driver 41 can be arranged on the side deviated from the central axis 63 in the first accommodating space 610; and wherein, because the relay gear 421 and the drive gear 432 are arranged on the same height plane, and the size It is only slightly larger than the drive gear 432 (and can be in contact with the ring gear 33), so that the relay gear 421 still does not affect the height of the entire device.

Finally, for the part of the connection module 30, please refer to FIGS. 2, 3, 9A and 9B. The connection module 30 is disposed in the second accommodating space 620 of the lower casing 62 and includes , The adapter 31 (not shown in Figures 2 and 3), an adapter plate 32 connected to the adapter 31, and the chainring 33; the adapter 31 includes an adapter seat 311 and a The adapter 312 between the socket 311 and the starting shaft 11; the chainring 33 includes a chainring seat 331 connected to the adapter plate 32.

As shown in the figure, the adapter plate 32 has a plate surface 311 slightly smaller than the area of the covering area 21, and the second rotating shaft 221b is connected to the center of the plate surface 311 and is coaxial with the activation shaft 11 and on the plate surface 311. The chainring 33 is connected to the edge of the side close to the first accommodating space 610, so that the adapter plate 32 can be driven by the driver 41 and the second rotating shaft 221b to rotate; thereby, the driver 41 drives In the case of the gear plate 33, there is a distance between the gear plate 33 and the center of the adapter plate 32 to form a relatively large moment to rotate the starting shaft 11; wherein, the side wall surface of the gear plate seat 331 is provided with a convex The flange 332 is used to contact the wall surface of the inner edge of the lower shell 62, so that when the gas furnace is separated, the toothed disk seat 331 will not be separated from the seat body 60.

In this embodiment, the adapter seat 311 is disposed on the side of the adapter plate 32 away from the first accommodating space 610, and is provided with an action portion 311a extending in the extending direction of the activation shaft 11, and located at the The accommodating portion 321b beside the acting portion 311; and the adapter 312 is provided with two corresponding adapter portions 312a of different shapes to connect the activation shaft 11, and the adapter portions 312a are adjacent to each other; when the adapter 312 When the adapter 311 is connected, one of the adapter portions 312a is set on the acting portion 311a, and the other adapter portion 312a is set on the receiving portion 321b, thereby, as shown in FIGS. 9A and 9B The column-shaped safety device 10 of the gas stove can correspond to the start shaft 11 in different forms by arranging the adapter part 312a of different styles on the acting part 311a.

The present invention does not limit the style of the connection module 30. In other embodiments, the adapter 312 does not have to be rectangular, but can be circular (and is provided with a plurality of adapters 312a that are ring-shaped) And other shapes; or, the adapter plate 32 may not have the adapter seat 311 and the adapter 312, but a center of the adapter plate 32 is provided with a screw-locked activation shaft corresponding to different sizes The conventional connecting element such as the adapter slot of 11 only needs to be capable of being installed in the second accommodating space 620.

It can be seen from the above that the present invention is characterized by overlapping the connection module 30, the drive module 40, and the control module 50 in the covering area 21 formed by the disc body 22 of the knob 20, and when they overlap, the three also show One is arranged in the longitudinal direction of the starting axis direction 110, and when overlapped, the long axis 550 of the driver 41 and the power slot, which are larger in the device, are also parallel to each other and arranged on both sides of the central axis 63. It saves space and allows the driver 41 to be driven by the relay gear 421 and the drive gear 432 with similar diameters, so that the driver 41 can still provide the maximum force to drive the gear plate 33 even if it deviates from the central axis 63. Starting shaft 11, in this way, through such a configuration change, the size of the entire safety device can be reduced and the performance between the components can be maintained; among them, the driver 41 can drive the clutch 43 to change the connection state of the clutch 43 Choose whether to connect with the transmission assembly 42 so that the user's actions when turning the knob 20 to start the gas furnace will not affect the driver 41 because the clutch 43 is separated from the transmission assembly 42, and when the driver 41 is activated, The clutch 43 is connected to the transmission assembly 42 to drive the starting shaft 11.

10: Columnar safety device for gas stove 11: start axis 110: Start axis direction 20: knob 21: Coverage area 22: Disc body 22a: Control side 22b: Connection side 221: connecting shaft 221a: The first shaft 221b: second shaft 221c: card slot 221d: convex column 222: Translucent part 30: Connection module 31: Connector 311: Adapter 311a: Action part 311b: receiving part 312: Adapter 312a: Adapter 32: adapter plate 33: chainring 331: Sprocket Seat 332: Flange 40: drive module 41: Drive 410: long axis 42: Transmission components 421: Relay Gear 421a: first gear part 421b: second gear part 43: Clutch 43a: combined state 43b: separated state 431: Screw 432: drive gear 432a: protrusion 433: Clutch 433a: bump 433b: brake 433c: Action part 433d: Snap part 433e: inclined part 434: limit slot 434a: The first limit area 434b: The second limit area 44: Gear Box 50: control module 51: Central Controller 510: connection unit 52: display screen 53: Sensor 53a: closed state 53b: Startup state 54: indicator light 54a: Light-emitting parts 54b: light guide 55: power slot 550: long axis 551: cover 552: Battery 56: Buzzer 57: Press 60: seat body 61: Upper shell 610: first housing space 611: Setting Area 62: lower shell 620: second accommodation space 63: Central axis 70: External device

Fig. 1 is a block diagram of the components of the column-shaped safety device of the gas stove of the present invention in a preferred embodiment; FIG. 2 is a schematic diagram of element combination in the embodiment of FIG. 1; Figure 3 is a schematic cross-sectional view of the components of Figure 2 after being combined; 4A and 4B are schematic diagrams of the operation of the sensor in FIG. 1; FIG. 5A is a schematic diagram of connecting the control module in FIG. 1 to an external device; 5B is a block diagram of the components of the control module in another embodiment; FIG. 6 is a schematic cross-sectional view of the driving module in FIG. 2; Figure 7 is an exploded schematic diagram of the drive module; 8A and 8B are schematic cross-sectional views of the driving module in FIG. 7 in different states; 9A and 9B are schematic diagrams showing the transformation of the connector in FIG. 2.

10: Columnar safety device for gas stove

110: Start axis direction

20: knob

21: Coverage area

22: Disc body

22a: Control side

22b: Connection side

221: connecting shaft

221a: The first shaft

221b: second shaft

222: Translucent part

32: adapter plate

33: chainring

331: Sprocket Seat

332: Flange

40: drive module

410: long axis

51: Central Controller

52: display screen

55: power slot

550: long axis

610: first housing space

611: Setting Area

62: lower shell

620: second accommodation space

63: Central axis

Claims (10)

A column-shaped safety device for a gas stove, which is installed on a start shaft of the gas stove, and includes: A knob configured with a disk body forming a covering area, the disk body having a control side and a connecting side located at the opposite position of the control side, the connecting side is provided with a connecting shaft along the direction of the activation axis; A connecting module, connected to the connecting shaft, is constructed with a connecting head capable of matching different starting shaft sizes; A driving module, having a driver and a transmission component, the transmission component is assembled to the connection module, and the driver can selectively connect or disconnect the transmission component; A control module, electrically connected to the driver, and provided with a sensor for detecting the movement of the knob to generate an activation signal to control the driver; Wherein, the connection module, the drive module, and the control module are all overlapped on the covering area of the disc body, so that the knob, the control module, the drive module, and the connector present a direction toward the activation axis The direction of the vertical arrangement. The columnar safety device for a gas stove according to claim 1, wherein the columnar safety device of the gas stove includes a base, and the base is provided with a first for accommodating the drive module and the control module An accommodating space and a second accommodating space located below the first accommodating space for accommodating the connection module, in the first accommodating space, the long axis of the driver is perpendicular to the center of the base Axis, and the driver is located on one side of the central axis. The column-shaped safety device for a gas stove according to claim 2, wherein, in the first accommodating space, the long axis of a power slot of the control module is perpendicular to the center axis of the base, and the driver And the power supply slot are respectively located on opposite sides of the central axis. According to claim 1 of the column-shaped safety device for a gas stove, wherein the connection module has a gear plate that rotates in the direction of the starting axis, and the driver can drive a gear that rotates perpendicular to the direction of the starting axis. The drive gear, and the transmission assembly includes a relay gear, so that the drive gear indirectly drives the chainring through the relay gear. The columnar safety device for a gas furnace according to claim 4, wherein the relay gear includes a first gear portion and a second gear portion, the first gear portion and the second gear portion are respectively connected The drive gear and the gear wheel make the rotation axis of the driver and the rotation axis of the relay gear parallel to each other, and the extension direction of the rotation axis of the relay gear can pass through the rotation axis of the gear wheel. The column safety device of the gas furnace according to claim 1, wherein the driving module includes a clutch connecting the driver and the transmission assembly, and the clutch includes a screw connecting the driver and a set connecting the screw The clutch, a limit slot for the clutch, and a drive gear connected to the transmission assembly; when the clutch is in a disengaged state, the clutch and the drive gear are separated from each other, and the clutch is affected by the screw and the The limit grooves work together to move away from or approach the drive gear; when the clutch is in a connected state, the clutch member and the drive gear are in contact with each other, and the clutch member is acted on by the screw to drive the drive gear to drive the transmission Components. According to claim 6 of the column-shaped safety device for a gas stove, wherein the driving gear is provided with a protrusion on the side close to the clutch, and the clutch is provided with a brake on the side close to the driving gear, and the brake The member is provided with an engaging portion and an inclined portion adjacent to the engaging portion; when the clutch member rotates in a first rotation direction, the engaging portion pushes against the protrusion, so that the clutch member drives the driving gear to rotate. When the clutch member rotates in a second rotation direction, the inclined portion contacts the protrusion, causing sliding between the clutch member and the driving gear. According to claim 1 of the column-shaped safety device for a gas stove, wherein the knob can perform a reciprocating movement in the direction of the activation axis, the control module includes a pressing member for starting a timer, the pressing The piece is pressed by the knob when it moves back and forth. For the column-shaped safety device of the gas stove described in claim 1, wherein the control module is also provided with a display screen, the display screen is adjacent to one side of the knob, and the knob is provided with a display for displaying the Display the light-transmitting part of the screen. According to the column-shaped safety device of the gas stove described in claim 1, wherein the control module is also provided with a connection unit, and the connection unit is used to connect an external device that can generate a reminder signal.

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