Ceramic ignition needle with fixing structure

Abstract

The utility model relates to the technical field of ignition needles, in particular to a ceramic ignition needle with a fixing structure, which comprises an ignition needle, a positioning structure and a butt joint structure, the ignition needle comprises a top nut, and the middle of the top nut is slidably sleeved with a ceramic needle body; the positioning structure comprises clamping grooves, the clamping grooves are formed in the side surface of the ceramic needle body at equal intervals, the clamping grooves and the clamping opening are mutually clamped, and the clamping opening is formed in one end of the locking insertion piece; the butt joint structure is clamped to the lower end of the ceramic needle body. According to the utility model, the ceramic needle body has certain position adjustability, and has certain universality for flame outlets with different gas outlet heights, and meanwhile, the top nut, the spring bayonet lock and the external thread sleeve are also made of ceramic materials, so that a certain heat insulation effect is achieved; and the situation that resilience force is affected or even melted due to the fact that the first reset spring and a thin metal wire of the spring at the bottom of the spring bayonet lock are affected by high temperature is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ignition needle technical field, specifically a kind of ceramic ignition needle with fixed structure. BACKGROUND

[0002] At present, the ignition mode of gas appliance is mainly electronic ignition, and the most critical component in the ignition system is the ignition needle. An efficient igniter can ensure the success rate and service life of the stove ignition. During vented ignition, each ignition should basically enable the gas to ignite. If the position of the ignition needle changes and the electric spark generated does not timely contact the gas, it will cause the ignition to fail and the release of excessive gas to cause deflagration. Therefore, during the installation of the ignition needle, a fixed structure is needed to fix and install the ignition needle.

[0003] However, the current ignition needle fixing method has certain height adjustment capability to cope with different height flame outlets by the clamping piece and the clamping groove on the surface of the ignition needle, in cooperation with the return spring. However, the return spring is completely exposed, and the high temperature of about 2,000 degrees Celsius generated during gas combustion will greatly affect the spring force and reduce the stability of the fixing effect. SUMMARY

[0004] The utility model aims at providing a ceramic ignition needle with a fixed structure to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A ceramic ignition needle with a fixed structure comprises:

[0007] The ignition needle comprises a top nut, and a ceramic needle body is slidably connected to the middle part of the top nut.

[0008] The positioning structure comprises clamping grooves, which are arranged at equal distances on the side surface of the ceramic needle body and are connected to clamping interfaces, and the clamping interfaces are provided at one end of the locking insert.

[0009] The docking structure is connected to the lower end of the ceramic needle body.

[0010] Further, the ignition needle further comprises:

[0011] The limiting seat is fixedly installed on the upper surface of the top nut.

[0012] The external thread sleeve is fixedly installed on the bottom side of the top nut.

[0013] The fastening nut is screwed onto the side surface of the external thread sleeve.

[0014] Further in, the ignition needle further comprises:

[0015] A force plate is fixedly sleeved on the side surface of the ceramic needle body;

[0016] A spring receiving groove is slidably arranged with the force plate;

[0017] A first reset spring is fixedly sleeved on the side surface of the ceramic needle body, and the lower end of the first reset spring is in abutment with the force plate.

[0018] Further in, the ignition needle further comprises:

[0019] A locking slot is formed in the lower end of the side surface of the ceramic needle body;

[0020] A wiring end is formed in the lower end of the ceramic needle body;

[0021] A butt joint needle is fixedly installed on the lower end of the wiring end.

[0022] Further in, the positioning structure further comprises:

[0023] A locking slot is formed in the bottom side of the limiting seat, and the locking slot is in clamping connection with the locking insert;

[0024] A spring pin is embedded on one side edge of the upper surface of the top nut;

[0025] A card is fixedly installed on one side edge of the locking insert, and the card is in clamping connection with the spring pin in the middle part.

[0026] Further in, the butt joint structure further comprises:

[0027] A ceramic terminal is fixedly installed on one end of the conductive wire;

[0028] A butt joint socket is formed in the upper side of the ceramic terminal, and the butt joint socket is in clamping connection with the wiring end;

[0029] A clamping block is slidably embedded in the inner wall on both sides of the butt joint socket;

[0030] A second reset spring is clamped between the clamping block and the inner wall of the butt joint socket;

[0031] An unlocking block is fixedly installed on both ends of the clamping block.

[0032] Compared with the prior art, the beneficial effects of the utility model are:

[0033] 1, after the installation of the ignition needle body and relative fixation, hold the upper end of the ceramic needle body and pull it up to the appropriate height, so that the electric spark generating end of the upper end of the ceramic needle body is level with the gas outlet, and the locking insert is inserted on one side of the top nut upper surface, so that the clamping interface and the clamping groove are clamped with each other, the position of the ceramic needle body is relatively limited, and a certain position adjustability is given to the ceramic needle body, so as to be suitable for the flame outlet of different gas outlet heights, and the top nut, spring pin and outer threaded sleeve are also made of ceramic material, which has a certain heat insulation effect, avoids the influence of high temperature on the spring wire at the bottom of the first reset spring and spring pin, and even avoids the case that the spring wire is affected by high temperature and even melts.

[0034] 2, after the installation of the ignition needle, the butt joint socket and the wiring end are inserted with each other, the butt joint needle is inserted into the conductive wire, the circuit is connected, the clamping block is buckled into the locking clamping groove, and the relative locking is carried out, so as to avoid the accidental separation of the conductive wire and the ceramic needle body. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is the overall structure schematic diagram of the utility model;

[0036] Figure 2 It is the ignition needle schematic diagram in the utility model;

[0037] Figure 3 It is the ignition needle sectional view in the utility model;

[0038] Figure 4 It is the locking insert schematic diagram in the utility model;

[0039] Figure 5 It is the butt joint structure schematic diagram in the utility model.

[0040] In the drawing: 1, ignition needle; 101, top nut; 102, limiting seat; 103, outer threaded sleeve; 104, fastening nut; 105, ceramic needle body; 106, force plate; 107, spring storage groove; 108, first reset spring; 109, locking clamping groove; 110, wiring end; 111, butt joint needle; 2, positioning structure; 201, clamping groove; 202, locking insert; 203, spring pin; 204, locking insert; 205, clamping interface; 206, card; 3, butt joint structure; 301, ceramic terminal; 302, butt joint socket; 303, clamping block; 304, second reset spring; 305, unlocking block. DETAILED DESCRIPTION

[0041] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0042] Please refer to Figures 1-5 In the embodiment of the present application, the ceramic ignition needle with the fixing structure comprises an ignition needle 1, a positioning structure 2 and a butt joint structure 3. The ignition needle 1 comprises a top nut 101, and a ceramic needle body 105 is slidably sleeved in the middle of the top nut 101. The positioning structure 2 comprises clamping grooves 201 which are arranged at equal distances and are formed on the side surface of the ceramic needle body 105. The clamping grooves 201 are clamped with clamping interfaces 205, and the clamping interfaces 205 are formed at one end of a locking tab 204. The butt joint structure 3 is clamped at the lower end of the ceramic needle body 105.

[0043] Specifically, after the ignition needle 1 body is installed and relatively fixed, the upper end of the ceramic needle body 105 is gripped and pulled upward to a suitable height, so that the electric spark generating end at the upper end of the ceramic needle body 105 is in a level state with the gas outlet, and the locking tab 204 is inserted into one side of the upper surface of the top nut 101, so that the clamping interfaces 205 are clamped with the clamping grooves 201. The position of the ceramic needle body 105 is relatively limited, and the ceramic needle body 105 is given a certain position adjustability, so as to have a certain universality for different flame outlet heights of the gas outlet. Embodiment one

[0044] As shown in the drawings, Figures 1-2 In the embodiment, the ignition needle 1 further comprises a limiting seat 102, an external thread sleeve 103 and a fastening nut 104. The limiting seat 102 is fixedly installed on the upper surface of the top nut 101. The external thread sleeve 103 is fixedly installed on the bottom side of the top nut 101. The fastening nut 104 is screwed and sleeved on the side surface of the external thread sleeve 103.

[0045] In the embodiment, the external thread sleeve 103 is inserted into the pre-formed installation through hole, and the limiting seat 102 is limited on the through hole. Then, the fastening nut 104 is screwed with the lower end of the external thread sleeve 103 and abuts against the lower end of the through hole, so as to relatively fix and install the ignition needle 1 as a whole.

[0046] As shown in the drawings, Figures 3-4As shown, in the embodiment, the ignition needle 1 further comprises a force plate 106, a spring receiving groove 107 and a first reset spring 108, the force plate 106 is fixedly sleeved on the side surface of the ceramic needle body 105; the force plate 106 is slidingly received in the spring receiving groove 107; the first reset spring 108 is fixedly sleeved on the side surface of the ceramic needle body 105, and the lower end of the first reset spring 108 abuts against the force plate 106; the positioning structure 2 further comprises a locking slot 202, a spring pin 203 and a card 206, the locking slot 202 is opened on the bottom side of the limiting seat 102, and the locking slot 202 is clamped with the locking tab 204; the spring pin 203 is embedded on the side edge of the upper surface of the top nut 101; the card 206 is fixedly installed on the side edge of the locking tab 204, and the middle part of the card 206 is clamped with the spring pin 203.

[0047] In specific implementation, after the ceramic needle body 105 is pulled to a suitable height, the locking tab 204 is inserted into the locking slot 202, the clamping port 205 is clamped with the clamping groove 201, the ceramic needle body 105 is limited, the spring pin 203 is buckled into the card 206, the locking tab 204 is relatively locked, accidental falling is avoided, when the ceramic needle body 105 is pulled, the first reset spring 108 is extruded by the force plate 106, the first reset spring 108 exerts a downward thrust on the ceramic needle body 105, the clamping groove 201 exerts a downward pressure on the clamping port 205, the clamping stability is ensured, the top nut 101, the spring pin 203 and the outer threaded sleeve 103 are made of ceramic material, have certain heat insulation effect, the spring wire at the bottom of the first reset spring 108 and the spring pin 203 is not affected by high temperature, and the rebound force is not affected, even melted. Embodiment two

[0048] On the basis of embodiment one, in order to supplement the specific connection mode of the ignition needle 1 and the conductive wire which is not mentioned in embodiment one.

[0049] As Figure 5As shown, in the embodiment, the ignition needle 1 further comprises a locking slot 109, a wiring end 110 and a butt joint needle 111, the locking slot 109 is arranged at the lower end of the side surface of the ceramic needle body 105, the wiring end 110 is arranged at the lower end of the ceramic needle body 105, the butt joint needle 111 is fixedly installed at the lower end of the wiring end 110, the butt joint structure 3 further comprises a ceramic terminal 301, a butt joint socket 302, a clamping block 303, a second reset spring 304 and an unlocking block 305, the ceramic terminal 301 is fixedly installed at one end of the conductive wire, the butt joint socket 302 is arranged at the upper side of the ceramic terminal 301, the butt joint socket 302 is clamped with the wiring end 110, the clamping block 303 is slidingly embedded in the inner wall of the butt joint socket 302, the second reset spring 304 is clamped in the gap between the clamping block 303 and the inner wall of the butt joint socket 302, and the unlocking block 305 is fixedly installed at both ends of the clamping block 303.

[0050] In the embodiment, after the installation of the ignition needle 1 is completed, the butt joint socket 302 and the wiring end 110 are inserted into each other, the butt joint needle 111 is inserted into the conductive wire, the circuit is connected, and the clamping block 303 is buckled into the locking slot 109 to be locked relatively, so that the conductive wire and the ceramic needle body 105 are prevented from being separated accidentally.

[0051] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0052] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A ceramic ignition needle with a fixed structure, characterized in that, Include: Ignition needle (1), the ignition needle (1) includes top nut (101), ceramic needle body (105) is sleeved in the middle part of top nut (101) slidingly, Positioning structure (2), the positioning structure (2) includes clamping groove (201), the clamping groove (201) is equidistantly arranged and is opened in the side surface of ceramic needle body (105), the clamping groove (201) is clamped with clamping port (205), the clamping port (205) is opened in one end of locking tab (204), The docking structure (3) is clamped in the lower end of ceramic needle body (105).

2. The ceramic igniter with a securing structure of claim 1, wherein, The ignition needle (1) further includes: Limiting seat (102), the limiting seat (102) is fixedly installed on the upper surface of top nut (101), The outer thread sleeve (103) is fixedly installed on the bottom side of top nut (101), Fastening nut (104), the fastening nut (104) is screwed and is sleeved on the side surface of outer thread sleeve (103).

3. The ceramic igniter with a securing structure of claim 2, wherein, The ignition needle (1) further includes: Force plate (106), the force plate (106) is fixedly sleeved on the side surface of ceramic needle body (105), Spring storage groove (107), the spring storage groove (107) is slidably received with force plate (106), No. One reset spring (108), the no. One reset spring (108) is fixedly sleeved on the side surface of ceramic needle body (105), the lower end of no. One reset spring (108) and force plate (106) are mutually abutted.

4. The ceramic igniter with a securing structure of claim 3, wherein, The ignition needle (1) further includes: Locking clamping groove (109), the locking clamping groove (109) is opened in the lower end of the side surface of ceramic needle body (105), Wiring terminal (110), the wiring terminal (110) is opened in the lower end of ceramic needle body (105), Docking needle (111), the docking needle (111) is fixedly installed on the lower end of wiring terminal (110).

5. The ceramic igniter with a securing structure of claim 4, wherein, The positioning structure (2) further includes: Locking slot (202), the locking slot (202) is opened in the bottom side of limiting seat (102), the locking slot (202) is clamped with locking tab (204) in the locking slot (202), Spring pin (203), the spring pin (203) is embedded in the one side edge of the upper surface of top nut (101), Card (206), the card (206) is fixedly installed on the one side edge of locking tab (204), the card (206) is clamped with spring pin (203) in the middle part of card (206).

6. The ceramic igniter with a securing structure of claim 5, wherein, The docking structure (3) further includes: Ceramic terminal (301), the ceramic terminal (301) is fixedly installed on one end of the conductive wire, Docking socket (302), the docking socket (302) is opened on the upper side of ceramic terminal (301), the docking socket (302) is clamped with wiring terminal (110), Clamping block (303), the clamping block (303) is slidably embedded in the inner wall of both sides of docking socket (302), No. Two reset springs (304), the no. Two reset springs (304) are clamped in the gap between clamping block (303) and the inner wall of docking socket (302), An unlocking dial (305) is fixedly installed at both ends of the card block (303).

Images