Ignition switch

Abstract

The utility model provides an ignition switch, which relates to the technical field of ignition switches, and comprises an upper cover and a shell, the shell is also provided with a left elastic sheet groove and a right elastic sheet groove for installing a left ignition elastic sheet and a right ignition elastic sheet, and the left elastic sheet groove and the right elastic sheet groove are respectively arranged at bilaterally symmetrical positions between an ignition compression bar track groove and a lead track groove. The auxiliary conducting strip is additionally arranged at the bent end of the left ignition elastic piece, the auxiliary conducting strip and the right ignition elastic piece jointly form double contact points, in the ignition process, an ignition mechanism can be triggered as long as any contact point is switched on, the ignition flexibility and reliability are greatly improved, the possibility of ignition failure caused by single-point faults is reduced through the design of the double contact points, and the ignition safety is improved. Even if one contact point is poor in conduction due to abrasion, dirt or other reasons, the other contact point can still ensure that the ignition operation is smoothly carried out, and therefore the overall ignition efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ignition switch technical field especially relates to a kind of ignition switch. BACKGROUND

[0002] Electronic ignition switch mainly through line voltage or high-voltage electric spark produced by battery operation to ignite combustible gas.Electronic igniter is widely applied to the ignition switch of gas lighter, gas stove, gas water heater, automobile, motorcycle, even missile, satellite launch all need ignition switch.At present, electronic ignition switch is mainly applied to various cookers, water heater, and existing electronic ignition switch is often complex structure, higher cost, switch is easy to damage, and there is certain security risk.

[0003] Among them, China patent a kind of ignition switch, application No. <2015200>08227.0>, including shell, lid, ignition pressure rod, spring and left, right ignition spring and wire placed in shell, ignition pressure rod rear side is equipped with extension arm, two wire rail grooves set in shell rear part are respectively equipped with wire, its characterized in that, left ignition spring one end is equipped with wire puncture, and extend to one of wire rail groove;Right ignition spring one end is equipped with wire puncture, and extend to another wire rail groove;Two ignition spring other end is equipped with gap, and is placed in the same side of ignition pressure rod extension arm, left ignition spring other end is equipped with bending part, and bending part is placed below extension arm.The utility model structure is simple, low in cost, easy to install, can guarantee that ignition spring is not deformed, service life is high, safety is good, with broad market prospect.

[0004] The above-mentioned patent only relies on the elastic deformation of left ignition spring to realize conduction, which is prone to cause metal fatigue, poor contact or loose connection after long-term use, the contact area of spring is small, no redundant conduction path is designed, and the ignition success rate is significantly affected by spring rebound accuracy, therefore, we propose a kind of ignition switch. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of ignition switch to solve the problems raised in the above background.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A kind of ignition switch, including upper cover and shell, shell is also equipped with left spring groove and right spring groove of installing left ignition spring and right ignition spring, left spring groove and right spring groove are respectively set in the left-right symmetrical position between ignition pressure rod rail groove and wire rail groove, left spring groove and right spring groove are respectively set left ignition spring and right ignition spring, the connecting assembly is set between the upper cover and shell, the auxiliary ignition assembly is set between the left ignition spring and right ignition spring;

[0008] The auxiliary ignition assembly comprises an auxiliary conductive sheet and a disc spring.

[0009] As a preferred scheme of the present application, the upper cover and the shell are connected through clamping.

[0010] As a preferred scheme of the present application, the connecting assembly comprises a connecting groove, which is arranged on the top of the shell, and a connecting block arranged on the bottom of the upper cover.

[0011] As a preferred scheme of the present application, the connecting block is arranged in the connecting groove.

[0012] As a preferred scheme of the present application, the other end of the left ignition spring sheet is provided with a bending part, which is arranged below the extending arm.

[0013] As a preferred scheme of the present application, the bending part is provided with a bending end.

[0014] As a preferred scheme of the present application, the auxiliary conductive sheet is arranged at the bending part.

[0015] As a preferred scheme of the present application, the disc spring is arranged on the side wall of the one end of the right ignition spring sheet.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the present application, the auxiliary conductive sheet is arranged at the bending end of the left ignition spring sheet, and the two ignition spring sheets form double contact points, so that the ignition mechanism can be triggered as long as any one of the contact points is conducted during the ignition process, thereby greatly improving the flexibility and reliability of the ignition. The design of the double contact points reduces the possibility of ignition failure caused by single point failure. Even if one contact point is not well conducted due to wear, dirt or other reasons, the other contact point can still ensure the smooth operation of the ignition operation, thereby improving the overall ignition efficiency. The disc spring arranged on the side wall of the one end of the right ignition spring sheet provides additional elastic support for the contact point. When the left ignition spring sheet contacts the right ignition spring sheet, the disc spring can ensure stable contact between the two, and good contact effect can be maintained even in long-term use or harsh environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the ignition switch provided by the present application;

[0019] Figure 2 Fig. 3 is a schematic diagram of the internal structure of the ignition switch provided by the present application;

[0020] Figure 3 Fig. 4 is a schematic diagram of the internal structure of the shell of the ignition switch provided by the present application.

[0021] Figure 4 The utility model provides a kind of upper cover plane internal structure schematic diagram of ignition switch.

[0022] Legend: 1, upper cover; 2, shell; 3, left spring groove; 301, right spring groove; 4, left ignition spring; 401, right ignition spring; 402, bending part; 4021, bending; 5, ignition pressure rod rail groove; 6, wire rail groove; 7, connecting assembly; 701, connecting groove; 702, connecting block; 8, auxiliary ignition assembly; 801, auxiliary conducting sheet; 802, disc spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, but not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In order to facilitate understanding of the utility model, the utility model will be more fully described below in conjunction with the related utility model, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] Embodiment 1

[0028] As Figures 1-4The utility model provides a technical scheme: a kind of ignition switch, including upper cover 1 and shell 2, shell 2 is additionally equipped with left spring piece groove 3 and right spring piece groove 301 of installation left ignition spring piece 4 and right ignition spring piece 401, left spring piece groove 3 and right spring piece groove 301 are respectively arranged in the left-right symmetry position between ignition pressure rod rail groove 5 and wire rail groove 6, left spring piece groove 3 and right spring piece groove 301 are respectively arranged left ignition spring piece 4 and right ignition spring piece 401, left ignition spring piece 4 and right ignition spring piece 401 are provided with auxiliary ignition assembly 8, auxiliary ignition assembly 8 includes auxiliary conducting sheet 801 and disc spring 802, left ignition spring piece 4 other end is equipped with bending part 402, bending part 402 is placed below protruding arm, bending part 402 part end is equipped with bending 4021, auxiliary conducting sheet 801 is arranged at bending part 402, disc spring 802 is installed in right ignition spring piece 401 one end side wall;By the setting of left ignition spring piece 4 and right ignition spring piece 401, and auxiliary ignition assembly 8 (including auxiliary conducting sheet 801 and disc spring 802) between them, the ignition switch can be under the action of external force (such as finger pressing), by the movement of ignition pressure rod drives left ignition spring piece 4 deformation, and then trigger ignition circuit, realize stable reliable ignition function, auxiliary conducting sheet 801: setting is at left ignition spring piece 4 bending part 402, moves along with the movement of bending part 402.When left ignition spring piece 4 and right ignition spring piece 401 contact (or in the extremely short time before and after contact), auxiliary conducting sheet 801 also forms electrical contact with right ignition spring piece 401 or the part connected therewith, to assist to complete the conduction of ignition circuit, improve the reliability of ignition, disc spring 802 is installed in right ignition spring piece 401 one end side wall close to left ignition spring piece 4, in pre-compression state.When left ignition spring piece 4 approaches and contacts right ignition spring piece 401, disc spring 802 will provide additional elastic force, ensure stable contact between the two, even in long-term use or harsh environment can maintain good ignition performance.

[0029] Example 2

[0030] As Figures 1-4As shown, a kind of ignition switch, connecting component 7 is arranged between upper cover 1 and shell 2, the clamping connection between upper cover 1 and shell 2, connecting groove 701 is included in connecting component 7, connecting groove 701 is opened in the top of shell 2, and the bottom of upper cover 1 is provided with connecting block 702, and connecting block 702 is located in connecting groove 701, the clamping connection between upper cover 1 and shell 2 is designed, so that the ignition switch is more convenient and fast when assembling and disassembling, without complex screw fixing or other fastening means, reduce the production and maintenance cost, by the cooperation of connecting groove 701 and connecting block 702, the tight connection between upper cover 1 and shell 2 can be formed, ensure that the ignition switch does not appear loose or fall off during use, guarantee its structural stability and reliability, the design of clamping connection helps to enhance the sealing between upper cover 1 and shell 2, prevent dust, moisture and other impurities from entering the inside of ignition switch, thereby prolonging its service life and improving its performance.

[0031] The utility model discloses a working procedure: when using a kind of ignition switch, including upper cover 1 and shell 2, shell 2 is also equipped with left spring groove 3 and right spring groove 301 of installation left ignition spring piece 4 and right ignition spring piece 401, left spring groove 3 and right spring groove 301 are respectively arranged in the left-right symmetry position between ignition pressure lever track groove 5 and wire track groove 6, left ignition spring piece 4 and right ignition spring piece 401 are respectively arranged in left spring groove 3 and right spring groove 301, left ignition spring piece 4 and right ignition spring piece 401 are provided with auxiliary ignition assembly 8, auxiliary ignition assembly 8 includes auxiliary conducting sheet 801 and disc spring 802, by the setting of left ignition spring piece 4 and right ignition spring piece 401, and auxiliary ignition assembly 8 (including auxiliary conducting sheet 801 and disc spring 802) between them, the ignition switch can be under the action of external force (such as finger pressing), by the movement of ignition pressure lever drives left ignition spring piece 4 deformation, and then triggers ignition circuit, realizes stable reliable ignition function, auxiliary conducting sheet 801: set at left ignition spring piece 4 bending portion 402, moves with the movement of bending portion 402.When left ignition spring piece 4 and right ignition spring piece 401 contact (or in the extremely short time before and after contact), auxiliary conducting sheet 801 also forms electrical contact with right ignition spring piece 401 or the part connected therewith, to assist to complete the conduction of ignition circuit, improve the reliability of ignition, disc spring 802 is installed at right ignition spring piece 401 one end side wall near left ignition spring piece 4, is in pre-compression state.When left ignition spring piece 4 is close to and contacts right ignition spring piece 401, disc spring 802 will provide additional elastic force, ensure the stable contact between the both, even in long-term use or in harsh environment, can keep good ignition performance, the bending portion 402 of left ignition spring piece 4 is placed below the extended arm, and the end of bending portion 402 is provided with bending 4021.This design makes left ignition spring piece 4 more smoothly contact right ignition spring piece 401 in deformation process, and bending 4021 part also increases the stability of contact, further improves the success rate of ignition, when ignition circuit is conducted, triggers ignition action, after ignition is completed, external force is removed, ignition pressure lever resets under the action of internal spring, and left ignition spring piece 4 and right ignition spring piece 401 also restore to initial state under the action of self elasticity and disc spring 802, prepare next ignition action;Upper cover 1 and shell 2 are provided with connecting assembly 7, and the clamping connection design between upper cover 1 and shell 2 makes the ignition switch more convenient and fast when assembling and disassembling, need not complex screw fixing or other fastening means, reduces production and maintenance cost, and the cooperation of connecting groove 701 and connecting block 702 can form the close connection between upper cover 1 and shell 2, ensure that ignition switch does not appear loose or fall-off during use, guarantee its structural stability and reliability, the design of clamping connection helps to enhance the sealing property between upper cover 1 and shell 2, prevent dust, moisture and other impurities from entering ignition switch inside, thereby prolong its service life and improve its performance.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A kind of ignition switch, including upper cover (1) and shell (2), shell (2) is further provided with left spring slot (3) and right spring slot (301) of left ignition spring piece (4) and right ignition spring piece (401), left spring slot (3) and right spring slot (301) are respectively arranged in the left and right symmetrical position between ignition pressure lever rail slot (5) and wire rail slot (6), left spring slot (3) and right spring slot (301) are respectively arranged left ignition spring piece (4) and right ignition spring piece (401), it is characterized by: The upper cover (1) and the shell (2) are provided with a connecting assembly (7), and the left ignition spring (4) and the right ignition spring (401) are provided with an auxiliary ignition assembly (8). The auxiliary ignition assembly (8) comprises an auxiliary conductive sheet (801) and a disc spring (802).

2. An ignition switch according to claim 1, wherein: The upper cover (1) and the shell (2) are clamped and connected.

3. An ignition switch according to claim 1, wherein: The connecting assembly (7) comprises a connecting groove (701), the connecting groove (701) is arranged at the top of the shell (2), and the bottom of the upper cover (1) is provided with a connecting block (702).

4. An ignition switch according to claim 3, wherein: The connecting block (702) is located in the connecting groove (701).

5. An ignition switch according to claim 1, wherein: The other end of the left ignition spring (4) is provided with a bending part (402), and the bending part (402) is arranged below the extending arm.

6. An ignition switch according to claim 5, wherein: The bending part (402) is provided with a bending part (4021) at the end.

7. An ignition switch according to claim 6, wherein: The auxiliary conductive sheet (801) is arranged at the bending part (402).

8. An ignition switch according to claim 1, wherein: The disc spring (802) is mounted on one end of the side wall of the right ignition spring (401).

Images