CN215892460U

CN215892460U - Gas stove fire-stopping timer

Info

Publication number: CN215892460U
Application number: CN202121946004.0U
Authority: CN
Inventors: 郑振平; 韩慕宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-22
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a gas stove fire-off timer, wherein when in installation, a connecting cap is sleeved on a valve rod of a gas valve, and a gap formed by the connecting cap and the valve rod is filled by a locking plate, so that the valve rod and the connecting cap are in interference fit, the timer is stably installed on the gas valve, and the gas stove fire-off timer is convenient to connect and wide in application range. The timer is when using, set for the culinary art time, return to zero when the timer countdown, control circuit board control motor starts, under the driven effect of gear train meshing, the switch extension rod takes switch separation blade and gas valve to rotate, when the gas valve was closed, the rotatory micro-gap switch that triggers of switch separation blade, micro-gap switch gives the control circuit board with signal transmission, control circuit board cutting off power, the motor stops, and with switch extension rod and motor shaft through the gear train meshing, under no exogenic action, switch extension rod state is stable, the gas is closed reliably.

Description

Gas stove fire-stopping timer

Technical Field

The utility model relates to the field of gas appliance control, in particular to a gas stove fire-off timer.

Background

Most of gas stoves in families can not be closed automatically, and people need to master cooking time, and once people forget to shut off fire during cooking, the gas stoves are easy to be burnt, even fire can happen, and especially old people live alone, the consequences are unimaginable, and the life safety and the family property safety are seriously threatened.

The gas stove timer on the market has various forms, but has complex operation, pure mechanical type and electric control type. The purely mechanical time control is inaccurate, and the longer the time is, the more unreliable the time is. Most of the electrically controlled devices are complicated in structure, expensive in price, and complicated in operation.

In addition, because the types and sizes of the gas valves used by various gas companies are different, when the gas stove timer is matched with the valve rod on the gas stove, a matching error is easy to exist, and the gas stove timer cannot be effectively connected with the valve rod on the gas stove.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a gas stove fire-off timer which is stable, reliable, simple to operate and high in applicability, and can automatically select delay time according to different cooking products so as to improve the safety performance of gas use.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the gas-cooker closes fire timer, includes the box body, is equipped with control scheme board and power supply unit in the box body, is equipped with the panel in the front surface of box body, has on the panel with control scheme board complex switch and display screen, its characterized in that: a motor and a switch extension rod are arranged in the box body, a motor shaft of the motor and the switch extension rod are meshed to rotate through a gear set, and the motor is controlled by a control circuit board to operate; a switch catch is fixed on the switch extension rod, a microswitch is fixed on the inner wall of the box body, the microswitch is in signal connection with the control circuit board, and when the switch catch rotates to trigger the microswitch, the gas valve is in a closed state; the front end of the switch extension rod extends out of the box body, the rear end of the switch extension rod is provided with a connecting cap matched with a valve rod of a gas valve, and a locking plate which can be filled in a fit clearance between the connecting cap and the valve rod and can be in interference fit with the connecting cap is arranged in the connecting cap.

The further technical scheme is as follows: the power supply assembly comprises a battery and a charging plate for performing overcharge protection on the battery, and a socket for charging the power supply assembly is arranged on the box body.

The further technical scheme is as follows: the display screen is provided with a module for displaying the cooking countdown, and the size of the number on the module is 36mm multiplied by 17 mm.

The further technical scheme is as follows: the panel is also provided with a module for displaying the electric quantity of the power supply assembly.

The further technical scheme is as follows: the gear train is including being fixed in the driving gear on the motor shaft, being fixed in the driven gear on the switch extension rod and with the driving gear with driven gear meshing intermediate gear together.

The further technical scheme is as follows: the switch extension rod is provided with a flange plate extending in the radial direction, and the driven gear and the switch blocking piece are fixed with the flange plate through the bolt assembly.

The further technical scheme is as follows:

the locking plate is an arc-shaped plate, is attached to the inner wall of the connecting cap and can only slide along the axial direction of the connecting cap, a spring is fixed between two sides of the upper end of the locking plate and the connecting cap, and two end faces of the locking plate are both wedge-shaped faces; also comprises

The driving rod is transversely arranged, is connected with the connecting cap in a sliding way and can be locked, one end of the driving rod extends out of the connecting cap, the other end of the driving rod extends into the connecting cap and is provided with a wedge-shaped surface matched with the top surface of the locking plate,

the driving rod moves towards the inner connecting cap and can drive the locking plate to move backwards, so that the rear end of the locking plate is inserted into a gap between the valve rod and the connecting cap.

The further technical scheme is as follows: the driving rod is provided with external threads, the cross section of the driving rod is noncircular, the driving rod penetrates through a hole of the connecting cap to be matched with the hole, and is rotatably connected with a rotating sleeve outside the connecting cap, and the rotating sleeve is in threaded fit with the driving rod.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

when the timer is installed, the connecting cap is sleeved on the valve rod of the gas valve, the gap formed by the connecting cap and the valve rod is filled through the locking plate, the valve rod and the connecting cap are in interference fit, the timer is stably installed on the gas valve, and the timer is convenient to connect and wide in application range.

The timer is when using, be used for selecting the time delay according to different culinary art article by oneself, when the time delay zero return of timer countdown, control circuit board control motor starts, under the driven effect of gear train meshing, the switch extension rod area switch separation blade and gas valve rotate, when the gas valve is closed, the rotatory micro-gap switch that triggers of switch separation blade, micro-gap switch gives control circuit board with signal transmission, control circuit board cut-off power, the motor stops, and with switch extension rod and motor interaxial through the gear train meshing, under no exogenic action, switch extension rod state is stable, the gas is closed reliably.

When the gas needs to be opened, a user needs to rotate the front end of the switch extension rod, the small resistance of the gear set is overcome, when the switch extension rod rotates reversely, the switch blocking piece leaves the micro switch, the control circuit board recovers power supply, the delay setting can be carried out again, and the operation is simple.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of a timer of the present disclosure;

FIG. 2 is a schematic structural diagram of the timer of the present disclosure with the upper case hidden;

FIG. 3 is a schematic front view of the timer of the present disclosure with the upper case hidden;

FIG. 4 is a schematic cross-sectional structural view of a timer of the present disclosure;

fig. 5 is a schematic structural diagram of a connection cap portion on the timer of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, 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 following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-5, the gas-cooker is shut off fire timer, including box body 1, box body 1 is including the last box body and the lower box body that can lock fixedly from top to bottom, be equipped with control scheme board 2 and power supply unit in box body 1, the last timing circuit module that has of control scheme board 2, power supply unit supplies power for each consumer on the timer, power supply unit includes battery 91 and the charging panel 92 who overcharges the protection to battery 91, the last socket 93 that charges for power supply unit that has of box body 1, the accessible treasured that charges to it, charging panel 92 has the function of charging, have the function that prevents to overcharge and arouse battery 91 damage simultaneously, and the security is high.

The front surface of the box body 1 is provided with a panel 3, the panel 3 is provided with a switch 31 and a display screen 32 which are matched with the control circuit board 2, the switch 31 can be a mechanical switch touch switch, and the switch comprises a starting button, a set time value [ hour: minute: second ], a clearing, a plus, a minus and other basic function keys; the display screen 32 is an LCD display screen 32, and can display the contents of timing time value, power supply component electric quantity, work indicator light, etc. The panel 3 is provided with a module for displaying the electric quantity of the power supply assembly so as to remind a user of timely charging the power supply assembly and whether the power supply assembly is fully charged. The display screen 32 is provided with a module for displaying the cooking countdown, the size of the number on the module is 36mm multiplied by 17mm, the font is large, and the old can see the module clearly.

Be equipped with motor 4 and switch extension rod 5 in the box body, the rotatable box body of locating of switch extension rod 5, 4 axles of motor 4 and switch extension rod 5 of motor rotate through the gear train meshing, motor 4 is by control scheme 2 control operation, and the gear train is including being fixed in the epaxial driving gear 101 of motor 4, being fixed in driven gear 102 on the switch extension rod 5 and with driving gear 101 and driven gear 102 meshing intermediate gear 103 together, and intermediate gear 103 installs on an jackshaft, and jackshaft and box body pass through bearing rotatable coupling.

A switch separation blade 6 is fixed on the switch extension rod 5, a flange plate extending in the radial direction is arranged on the switch extension rod 5, the driven gear 102 and the switch separation blade 6 are both fixed with the flange plate through bolt assemblies, a microswitch 7 is fixed on the inner wall of the box body 1, the microswitch 7 is in signal connection with the control circuit board 2, and when the switch separation blade 6 rotates to trigger the microswitch 7, the gas valve is in a closed state; the front end of the switch extension rod 5 extends out of the box body, the rear end of the switch extension rod is provided with a connecting cap 51 matched with a valve rod of a gas valve, and a locking plate 81 which can be used for filling a fit clearance between the connecting cap 51 and the valve rod and can be in interference fit with the connecting cap 51 is arranged in the connecting cap 51.

When the timer is installed, the connecting cap 51 is sleeved on the valve rod of the gas valve, the gap formed by the connecting cap 51 and the valve rod is filled through the locking plate 81, the valve rod and the connecting cap 51 are in interference fit, the timer is stably installed on the gas valve, and the timer is convenient to connect and wide in application range.

The timer is when using, be used for selecting the time delay according to different culinary art article by oneself, when the timer countdown zero return, control circuit board 2 control motor 4 starts, under the driven effect of gear train meshing, switch extension rod 5 takes switch separation blade 6 and gas valve to rotate, when the gas valve is closed, the rotatory micro-gap switch 7 that triggers of switch separation blade 6, micro-gap switch 7 gives control circuit board 2 with signal transmission, control circuit board 2 cuts off the power, motor 4 stops, and with switch extension rod 5 and the motor 4 intertaxal through the gear train meshing, under no exogenic action, switch extension rod 5 stable state, the gas is closed reliably.

When the gas needs to be opened again, the user needs to rotate the front end of the switch extension rod 5, the small resistance of the gear set is overcome, when the switch extension rod 5 rotates reversely, the switch blocking piece 6 leaves the micro switch 7, the power supply of the circuit board 2 is recovered, the delay setting can be carried out again, and the operation is simple.

In addition, the default timing time of the timer is the time timed out last time, if the time is consistent during the second operation, the time does not need to be set again, and the timing function is automatically started after 3 seconds.

A plug of a lighting line is arranged on the lower cover, and the other end of the lighting line is connected to the positive electrode and the negative electrode of the dry battery 91 mounted on the gas stove, so that the dry battery 91 can be replaced, and the lighting function of the gas stove is realized.

In the gas stove fire-off timer structure of the present disclosure, as shown in fig. 5, the locking plate 81 is an arc-shaped plate, and is attached to the inner wall of the connecting cap 51, and the inner wall of the connecting cap 51 is provided with a sliding groove for limiting radial and circumferential movement of the locking plate 81, so that the locking plate 81 can only slide along the axial direction of the connecting cap 51, a spring is fixed between the two sides of the upper end of the locking plate 81 and the connecting cap 51, and the two end faces of the locking plate 81 are both wedge-shaped faces.

The axial slip drive actuating lever 83 of locking plate 81 drives, and actuating lever 83 transversely sets up, has the external screw thread on the actuating lever 83, the transversal non-circular of personally submitting of actuating lever 83, actuating lever 83 passes the hole of connecting cap 51 rather than the phase-match to the restriction actuating lever 83 is rotatory, and the outside of connecting cap 51 is passed through the rotatable swivel nut 84 that is connected with of form such as bearing, swivel nut 84 and actuating lever 83 screw-thread fit through swivelling joint cap 51, realize the lateral shifting of actuating lever 83, make it and connecting cap 51 sliding connection and can lock, outside the connecting cap 51 was stretched out to the one end of actuating lever 83, the other end stretched into in the connecting cap 51 and had with locking plate 81 top surface matched with wedge face.

The driving rod 83 moves into the connecting cap 51 to drive the locking piece 81 to move backward, and the spring is stretched to insert the rear end of the locking piece 81 into the gap between the valve rod and the connecting cap 51. The operation is simple, when the timer needs to be detached, the driving rod 83 is made to withdraw from the connecting cap 51, and under the stretching action of the extension spring, the locking plate 81 moves forwards to withdraw from the gap between the valve rod and the connecting cap 51, so that the timer can be easily detached. Easy dismounting just can adapt to and be connected with the valve rod of different thicknesses.

The above is only a preferred embodiment of the utility model, and any simple modifications, variations and equivalents of the utility model may be made by anyone in light of the above teachings and fall within the scope of the utility model.

Claims

1. Fire timer is closed to gas-cooker, including box body (1), be equipped with control scheme board (2) and power supply unit in box body (1), be equipped with panel (3) in the front surface of box body (1), have on panel (3) with control scheme board (2) complex switch (31) and display screen (32), its characterized in that: a motor (4) and a switch extension rod (5) are arranged in the box body, a motor shaft of the motor (4) and the switch extension rod (5) rotate in a meshed mode through a gear set, and the motor (4) is controlled to operate by the control circuit board (2); a switch separation blade (6) is fixed on the switch extension rod (5), a microswitch (7) is fixed on the inner wall of the box body (1), the microswitch (7) is in signal connection with the control circuit board (2), and when the switch separation blade (6) rotates to trigger the microswitch (7), the gas valve is in a closed state; the front end of switch extension rod (5) stretches out outside the box body, and the rear end has and is connected cap (51) with the valve rod matched with of gas valve, has in connecting cap (51) and can fill its and valve rod fit clearance, realize valve rod and connecting cap (51) can interference fit's locking plate (81).

2. The timer according to claim 1, wherein: the power supply assembly comprises a battery (91) and a charging plate (92) for performing overcharge protection on the battery (91), and a socket (93) for charging the power supply assembly is arranged on the box body (1).

3. The timer according to claim 1, wherein: the display screen (32) is provided with a module for displaying the cooking countdown, and the size of the number on the module is 36mm multiplied by 17 mm.

4. The timer according to claim 1, wherein: the panel (3) is also provided with a module for displaying the electric quantity of the power supply assembly.

5. The timer according to claim 1, wherein: the gear set comprises a driving gear (101) fixed on a shaft of the motor (4), a driven gear (102) fixed on the switch extension rod (5) and an intermediate gear (103) meshed with the driving gear (101) and the driven gear (102).

6. The timer according to claim 5, wherein: the switch extension rod (5) is provided with a flange plate extending in the radial direction, and the driven gear (102) and the switch blocking piece (6) are fixed with the flange plate through bolt assemblies.

7. The timer according to claim 1, wherein:

the locking plate (81) is an arc-shaped plate, is attached to the inner wall of the connecting cap (51) and can only slide along the axial direction of the connecting cap (51), a spring is fixed between two sides of the upper end of the locking plate (81) and the connecting cap (51), and two end faces of the locking plate (81) are wedge-shaped; also comprises

The driving rod (83) is transversely arranged, is connected with the connecting cap (51) in a sliding way and can be locked, one end of the driving rod (83) extends out of the connecting cap (51), the other end of the driving rod extends into the connecting cap (51) and is provided with a wedge-shaped surface matched with the top surface of the locking plate (81),

the driving rod (83) moves towards the inner connecting cap (51) to drive the locking plate (81) to move backwards, so that the rear end of the locking plate (81) is inserted into a gap between the valve rod and the connecting cap (51).

8. The timer according to claim 7, wherein: the driving rod (83) is provided with an external thread, the cross section of the driving rod (83) is noncircular, the driving rod (83) penetrates through a hole of the connecting cap (51) to be matched with the hole, the outer side of the connecting cap (51) is rotatably connected with a rotating sleeve (84), and the rotating sleeve (84) is in threaded fit with the driving rod (83).