Igniter with timing function
By introducing a timer setting and safety mechanism into the igniter, the problem of dry burning in gas stoves is solved, the valve is automatically shut off, the safety of gas stove use is improved, and user safety is protected.
Patent Information
- Application Number
- CN202422968982.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Gas stoves are prone to dry burning when users are distracted or when elderly people have memory decline. Current technology cannot effectively prevent this, which poses a safety hazard.
Design an igniter with a timer function, including a timer setting mechanism and a safety protection mechanism, which can automatically close the gas valve after a preset time and detect the valve status through a Hall sensor to ensure the realization of the timer function.
It effectively prevents gas stoves from dry burning, improves user safety, protects life and property, and avoids the risk of gas leakage by automatically shutting off the valve.
Smart Images
Figure CN223755400U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of igniter, especially point to a kind of igniter with timing function. BACKGROUND
[0002] Igniter refers to the device that can provide enough energy to ignite coal, oil (gas) fuel in an instant and can stabilize flame. Commonly used are igniters applied in gas stoves.
[0003] Igniter is usually connected with the valve of gas pipeline, and the user needs to close the valve of gas pipeline by rotating the knob of igniter.
[0004] However, the gas stove has certain safety hazards, for example, the gas stove "dry burning" causes fire. In the user's research, it is found that distraction during cooking, memory decline of the elderly and the sharp increase in the number of kitchen novices are the main scenarios for the valve not being closed, resulting in "dry burning" of the gas stove. However, these usage scenarios cannot be solved from the user's subjective will.
[0005] In order to avoid the "dry burning" of the gas stove, the present application proposes an igniter with timing protection function, which can stop working after the gas stove completes the set working time, further, the timing protection function of the igniter can be passively started with the use of the gas stove, and the automatic closing of the valve can be realized, without affecting the normal use of the igniter. SUMMARY
[0006] The utility model aims at constructing an igniter that can close the valve at a certain time on the basis of the existing igniter, based on the need to avoid the "dry burning" of the gas stove.
[0007] An igniter with timing function, comprising a shell, a knob support connected with a valve is arranged in the shell, an adjusting knob is connected to the upper end of the knob support, characterized in that a timing setting mechanism capable of setting the working time of the valve and a safety guarantee mechanism capable of automatically closing the valve are arranged in the shell, and the timing setting mechanism can send a signal to the safety guarantee mechanism to close the valve.
[0008] Further, the timing setting mechanism comprises a timing knob, a driving gear, a driven gear and a timing gear, the timing knob is arranged on the shell, the driving gear is fixedly connected with the timing knob, and the driving gear and the timing knob rotate synchronously, the driven gear is engaged with the driving gear, the timing gear is composed of an upper linkage part and a lower sensing part, the sensing part is fixedly connected with the linkage part, the linkage part is engaged with the driven gear, a first sensing point is arranged on the sensing part, and a first Hall sensor is arranged above or below the sensing part.
[0009] The timing setting mechanism further comprises a timing panel capable of displaying the set timing duration.
[0010] The opening time of the gas valve is limited in a timed manner, avoiding the dry burning phenomenon of the gas stove caused by the user forgetting to close the gas valve, effectively protecting the life and property safety of the user.
[0011] Further, the safety protection mechanism comprises a motor, a transmission gear set, a gear ring disc and a toothed disc, the inner ring of the toothed disc is provided with a plurality of teeth, the toothed disc is fixedly connected with the knob support through the teeth, a sliding connecting piece is arranged on the toothed disc, the sliding connecting piece slides in an arc-shaped sliding groove arranged on the gear ring disc, a tooth pattern is arranged on part of the outer side wall of the gear ring disc, the transmission gear set is engaged with the tooth pattern on the gear ring disc, and the motor is connected with the transmission gear set.
[0012] A sensing end is arranged on the side of the toothed disc, a second sensing point is arranged on the sensing end, and a second Hall sensor is arranged above or below the sensing end.
[0013] When the user ignites, the sliding connecting piece on the toothed disc slides to one end of the arc-shaped sliding groove on the gear ring disc, the toothed disc rotates with the rotation of the knob support, the gear ring disc does not move, and the sensing end moves, and the second Hall sensor detects the signal of the opening of the valve;
[0014] When the opening duration of the valve reaches the preset timing duration, the motor drives the gear ring disc to rotate and drive the toothed disc to rotate back to the initial position, and the knob support also rotates to close the valve.
[0015] Further, a power supply is arranged in the shell, and a storage battery is usually used as the power supply.
[0016] Further, an interface is arranged at the lower end of the knob support, and the interface is connected with the valve.
[0017] Further, a clamping groove is arranged at the upper end of the knob support, and a clamping end corresponding to the clamping groove is arranged at the lower end of the knob.
[0018] Further, an installation platform is arranged in the shell, the timing panel is installed on the installation platform, and the first Hall sensor and the second Hall sensor are arranged on the installation platform.
[0019] Further, an opening is arranged on the shell, and the display surface of the timing panel is located at the opening.
[0020] The ignition device with timing function has the advantages that the timing setting mechanism and the safety guarantee mechanism are used, the time length for which the gas stove valve is opened and used is set, the valve can be automatically closed after the valve is opened for the preset time length, the dry burning phenomenon of the gas stove is effectively prevented, and the safety of the user using the gas stove is greatly improved; the induction end arranged on the gear disc cooperates with the second Hall sensor, the signal that the valve is opened is detected when the knob is rotated to open the valve, the timing function is automatically started, the timing function is further improved, and the life and property safety of the user is guaranteed.
[0021] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following preferred embodiments are taken, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0023] Figure 1 It is the overall structure schematic diagram of a specific example of the ignition device of the utility model;
[0024] Figure 2 It is the sectional structure schematic diagram of Figure 1 ;
[0025] Figure 3 It is the partial structure schematic diagram of a specific example of the ignition device of the utility model;
[0026] Figure 4 It is the local structure enlarged view of Figure 3 ;
[0027] Figure 5 It is the structure schematic diagram of the timing gear in a specific example of the ignition device of the utility model;
[0028] Figure 6 It is the structure schematic diagram of the mounting platform in a specific example of the ignition device of the utility model;
[0029] Figure 7 It is the partial structure schematic diagram of a specific example of the ignition device of the utility model;
[0030] Figure 8is a specific example of the safety mechanism of the igniter of the utility model structure schematic view;
[0031] Figure 9 is a specific example of the toothed disc of the igniter of the utility model structure schematic view;
[0032] Figure 10 is Figure 9 the bottom view;
[0033] Figure 11 is a specific example of the toothed disc of the igniter of the utility model structure schematic view;
[0034] Figure 12 is Figure 11 the top view;
[0035] In the figure: 101, the shell;102, knob;103, timing knob;104, accessory C;105, knob support;106, accessory A;107, accessory B;108, timing panel;109, installation platform;110, driving gear;111, timing gear;112, driven gear;113, first induction point;114, first hall sensor;115, second hall sensor;116, motor;117, battery;118, transmission gear set;119, gear disc;120, toothed disc;121, clamping groove;122, vertical tooth groove;123, tooth;124, second induction point;126, sliding connecting piece;127, arc-shaped sliding groove;128, main body. DETAILED DESCRIPTION
[0036] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly, the following will be further described in detail by combining with the drawings and examples.The specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0037] The utility model is further described in combination with the drawings.
[0038] As Figure 1 , Figure 2 and Figure 3As shown, the igniter in the embodiment comprises a shell 101, a middle part of the shell 101 is provided with an installation hole penetrating up and down, a knob support 105 is installed in the installation hole, a knob 102 is connected to an upper end of the knob support 105, the shell 101 is composed of a main body 128, an accessory A 106, an accessory B 107 and an accessory C 104, the accessory A 106 and the accessory B 107 are both fixedly installed in an interior of the main body 128, the accessory A 106 is located below the accessory B 107, and the accessory A 106 and the accessory B 107 are parallel to each other.
[0039] The accessory B 107 and the accessory C 104 are fixedly connected, a lower end of the accessory C 104 is fixedly connected with the accessory B 107, an upper end of the accessory C 104 extends to an exterior of the main body 128, a timing knob 103 is rotatably connected between the accessory C 104 and the main body 128, the timing knob 103 is annular and is sleeved outside the accessory C 104, and a driving gear 110 is rotatably connected to the accessory B 107, the driving gear 110 is annular and is sleeved outside the accessory C 104.
[0040] The timing knob 103 is provided with a connecting part extending downward, the driving gear 110 is provided with a connecting groove, the connecting part on the timing knob 103 corresponds and matches the connecting groove on the driving gear 110, and the timing knob 103 is fixedly connected with the driving gear 110 and can synchronously rotate.
[0041] As shown in Figure 4 , Figure 5 and Figure 6 , the accessory A 106 is provided with a driven gear 112 rotatably connected to and engaged with the driving gear 110, and the accessory A 106 is provided with a timing gear 111 rotatably arranged thereon, the timing gear 111 is composed of a linkage part at an upper portion and a sensing part at a lower portion, the linkage part at the upper portion of the timing gear 111 is engaged with the driven gear 112, the sensing part at the lower portion of the timing gear 111 is provided with a first sensing point 113, and the first sensing point 113 is provided with two first sensing points symmetric about a midpoint of the timing gear 111.
[0042] The installation platform 109 is provided between the accessory A 106 and the accessory B 107, the installation platform 109 is provided with a first Hall sensor 114 and a second Hall sensor 115, and the installation platform 109 is provided with a notch on a gear ring disc 119, a rotating shaft of the timing gear 111 passes through the notch, and the first Hall sensor 114 is provided with two first Hall sensors symmetric about the notch.
[0043] The distance between the two first Hall sensors 114 is equal to the distance between the two first sensing points 113, and the two first Hall sensors 114 can simultaneously correspond to the positions of the two first sensing points 113.
[0044] The timing panel 108 is arranged on the installation platform 109, and the upper end surface of the timing panel 108 is flush with the upper end surface of the main body 128.
[0045] As shown in Figures 7-12 The knob support 105 is provided with four vertical tooth grooves 122 arranged in a ring shape, the knob support 105 is sleeved with a tooth disc 120, the inner wall of the tooth disc 120 is provided with four tooth gears 123 arranged in a ring shape, the vertical tooth grooves 122 are correspondingly matched with the tooth gears 123, and the accessory A 106 is rotationally connected with a gear ring disc 119.
[0046] The tooth disc 120 is provided with a sensing end in the side direction, the sensing end is provided with a second sensing point 124, and the second sensing point 124 is correspondingly positioned with the second Hall sensor 115 in the rotating process.
[0047] The tooth disc 120 is provided with a sliding connecting piece 126 on the downward side, the gear ring disc 119 is provided with an arc-shaped sliding groove 127, and the sliding connecting piece 126 is slidably connected with the arc-shaped sliding groove 127.
[0048] The outer side wall of the gear ring disc 119 is provided with a tooth pattern, and the tooth pattern is arranged in 3 / 5 circles.
[0049] The shell 101 is provided with a motor 116, a gear connected with the motor 116 extends to the upper side of the accessory A 106, the accessory A 106 is provided with a transmission gear set 118, and the gear ring disc 119 and the motor 116 are connected through the transmission gear set 118.
[0050] The upper end of the knob support 105 is provided with a clamping groove 121, and the lower end of the knob 102 is provided with a clamping groove 121.
[0051] The lower end of the knob support 105 is provided with an interface connected with the valve.
[0052] The main body 128 is further provided with a battery 117.
[0053] When the user needs to set the timing length, the timing knob 103 is manually rotated, the timing knob 103 drives the driving gear 110 to rotate, the driving gear 110 drives the driven gear 112 to rotate, the driven gear 112 drives the timing gear 111 to rotate, the first sensing point 113 starts to move with the rotation of the timing gear 111, and the first Hall sensor 114 is triggered to set the timing length, and the set timing length is displayed through the timing panel 108.
[0054] When the user ignites, the knob 102 is twisted counterclockwise to drive the knob support 105 to rotate, the knob support 105 rotates to open the valve, and the gear plate 120 rotates, the sliding connecting piece 126 slides from one end of the arc-shaped sliding groove 127 to the other end, the second sensing point 124 moves with the rotation of the gear plate 120, and the second Hall sensor 115 monitors the signal of the valve opening to passively open the igniter timing function.
[0055] When the opening time of the valve reaches the preset timing length, the timing panel 108 sends a signal to drive the motor 116, the gear set 118 drives the gear ring plate 119 to rotate clockwise, the gear ring plate 119 rotates to drive the gear plate 120 to rotate, and the second sensing point 124 moves, and the second Hall sensor 115 monitors the signal of the second sensing point 124 to close the valve; the motor 116 reverses to make the gear ring plate 119 return to the initial position, and the sliding connecting piece 126 slides in the arc-shaped sliding groove 127.
[0056] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A lighter with timing function, comprising a housing, a knob support connected with a valve is arranged in the housing, an adjusting knob is connected with the upper end of the knob support, characterized in that, The shell is provided with a timing setting mechanism capable of setting the working time length of the valve and a safety guarantee mechanism capable of automatically closing the valve, and the timing setting mechanism can send a signal to the safety guarantee mechanism to close the valve; The timing setting mechanism comprises a timing knob, a driving gear, a driven gear and a timing gear, the timing knob is arranged on the shell, the driving gear is fixedly connected with the timing knob and rotates synchronously with the timing knob, the driven gear is engaged with the driving gear, the timing gear comprises a linkage portion at the top and a sensing portion at the bottom, the sensing portion is fixedly connected with the linkage portion, the linkage portion is engaged with the driven gear, the sensing portion is provided with a first sensing point, and a first Hall sensor is arranged above or below the sensing portion; The timing setting mechanism further comprises a timing panel capable of displaying the set timing length; The safety guarantee mechanism comprises a motor, a transmission gear set, a gear ring disc and a gear disc, the inner ring of the gear disc is provided with a plurality of gear teeth, the gear disc is fixedly connected with the knob support through the gear teeth, the gear disc is provided with a sliding connecting piece, the sliding connecting piece slides in an arc-shaped sliding groove provided on the gear ring disc, the outer side wall of the gear ring disc is provided with a toothed pattern, the transmission gear set is engaged with the toothed pattern on the gear ring disc, and the motor is connected with the transmission gear set; The side of the gear disc is provided with a sensing end, the sensing end is provided with a second sensing point, and a second Hall sensor is arranged above or below the sensing end.
2. The igniter with a timing function according to claim 1, wherein The shell is provided with a power supply, which is a storage battery.
3. The igniter with a timing function according to claim 1, wherein The lower end of the knob support is provided with an interface, and the interface is connected with the valve.
4. The igniter with a timing function according to claim 1, wherein The upper end of the knob support is provided with a clamping groove, and the lower end of the knob is provided with a clamping end corresponding to the clamping groove.
5. The igniter with a timing function according to claim 1, wherein The shell is provided with a mounting platform, the timing panel is mounted on the mounting platform, and the first Hall sensor and the second Hall sensor are arranged on the mounting platform.
6. The igniter with a timing function according to claim 1, wherein The shell is provided with an opening, and the display surface of the timing panel is located at the opening.