CN212990900U - Soldering-free ignition coil - Google Patents

Abstract

The utility model relates to an exempt from soldering type ignition coil relates to ignition coil technical field, and it includes shell, high-pressure skeleton and around establishing the high-pressure coil on high-pressure skeleton, be provided with the grafting port on the shell, the shaping has high-pressure output terminal on the high-pressure skeleton, can dismantle on the grafting port and be fixed with the wire, the one end setting of wire is in on the grafting port, the wire other end sets up in the high-pressure output terminal. The application has the effects of tin soldering free and stable structure.

Description

Soldering-free ignition coil

Technical Field

The application relates to the technical field of ignition coils, in particular to a tin soldering-free ignition coil.

Background

The ignition coil is the core part in the ignition device of the motor vehicle, mainly used for converting the low-voltage electricity input on the motor vehicle into the high-voltage output, the structure of the ignition coil is developing towards miniaturization, lightweight, high-performance, the existing dry-type ignition coil has high heat resistance and high voltage resistance, and small, especially the high-voltage coil winding of the multi-head dry-type ignition coil can ignite to two cylinders at the same time, because the energy loss between the ignition head and the side electrode in the distributor is eliminated, can improve the ignition energy, and reduce the electromagnetic interference of the electric spark to the outside world, therefore have high output voltage and large ignition energy.

The prior Chinese patent with publication number CN204167079U discloses an automobile ignition coil assembly for improving high-voltage output reliability, which comprises a shell, an iron core, a low-voltage coil, a high-voltage coil, a low-voltage input end connected to the outer side of the shell and A, B high-voltage output ends respectively provided with A, B high-voltage electrodes, wherein the A, B high-voltage electrodes are respectively and electrically connected with A, B output lead ends of the high-voltage coil; the high-voltage coil is characterized in that the A, B high-voltage electrodes are respectively and electrically connected with the A, B output lead terminal of the high-voltage coil through A, B conductive sheets in threaded connection with the high-voltage electrodes. The high-voltage coil is characterized in that a U-shaped connecting frame embedded into a slot formed in the high-voltage framework is arranged at the upper end of the high-voltage framework of the high-voltage coil, one end of the A conducting strip is fixedly connected with a stand column of the U-shaped connecting frame through a clamping groove formed in the A conducting strip, the other end of the A conducting strip is in threaded connection with the A high-voltage electrode, and the other stand column of the U-shaped connecting frame is in welded connection with an A output lead end of the high.

By adopting the scheme, the output lead end of the high-voltage coil is welded with the upright post of the U-shaped connecting frame, however, the technical problems of easy insufficient solder joint, high-temperature desoldering and the like exist in the welding process by adopting a manual welding method, so that poor contact is caused during high-voltage output of the ignition coil, the work of the ignition coil is influenced, and the part to be improved exists.

SUMMERY OF THE UTILITY MODEL

In order to improve manual welded method, have among the welding process easy rosin joint, high temperature desolder technical problem such as, contact failure when leading to ignition coil high-voltage output influences the problem of ignition coil work, this application provides a exempt from soldering type ignition coil.

The application provides a exempt from soldering type ignition coil adopts following technical scheme:

the utility model provides a exempt from soldering type ignition coil, includes shell, high-pressure skeleton and around establishing the high-voltage coil on high-pressure skeleton, be provided with the grafting port on the shell, the shaping has high-pressure output terminal on the high-pressure skeleton, be provided with wire in the shell, wire's one end can be dismantled and fix on the grafting port, the wire other end can be dismantled and fix in the high-pressure output terminal.

Through adopting above-mentioned technical scheme, in the work, the staff can dismantle metal wire one end and fix on the grafting port, and the other end can be dismantled and fix in the high-voltage output terminal, avoided the welded mode, reduced technical problem such as the rosin joint that produces among the welding process, also helped reducing artifical working strength.

Preferably: the metal wire is a special-shaped spring.

Through adopting above-mentioned technical scheme, abnormal shape spring has the plasticity strong, and stability is good characteristics use abnormal shape spring coupling between high-voltage output terminal and grafting port, help increasing ignition coil high-voltage output's stability.

Preferably: the inserting port is provided with a fixed column, and one end of the special-shaped spring is wound on the fixed column.

Through adopting above-mentioned technical scheme, through set up the fixed column on the grafting port to wind heterotypic spring tightly on the fixed column, help reducing the condition that heterotypic spring dropped and take place, increased the stability among the high-pressure output process.

Preferably: the high-voltage output terminal is provided with a limiting groove, one end of the special-shaped spring, which deviates from the inserting port, is bent to form an inserting portion, and the inserting portion is embedded into the limiting groove.

Through adopting above-mentioned technical scheme, through having grafting portion with heterotypic spring one end bending type to in embedding spacing inslot with grafting portion, help reducing the not hard up condition of sex spring and take place, help improving the stability of heterotypic spring.

Preferably: the high-voltage output terminal is provided with an elastic insertion piece, the elastic insertion piece is embedded into the limiting groove, and the elastic insertion piece abuts against the inserting part.

Through adopting above-mentioned technical scheme, with elasticity inserted sheet embedding spacing groove to support tight grafting portion, help further spacing to heterotypic spring, help further improving heterotypic spring's stability.

Preferably: the high-voltage output terminal is provided with a plurality of reinforcing ribs at intervals.

Through adopting above-mentioned technical scheme, with the help of set up the strengthening rib on high-voltage output terminal mountain, help improving high-voltage output terminal's stability and fastness.

Preferably: the shaping has the draw-in groove on the high-pressure skeleton, the draw-in groove is located the both sides of high-pressure skeleton relative position, be provided with high-pressure terminal assembly on the high-pressure skeleton, and high-pressure terminal assembly covers and establishes high-voltage coil, the both sides of high-pressure terminal assembly relative position all are provided with the card post, the embedding of card post part the draw-in groove, and the card post with the cooperation of draw-in groove embedding.

Through adopting above-mentioned technical scheme, in the work, in the staff through the card post embedding high-pressure skeleton fashioned draw-in groove on with high-pressure terminal assembly both sides setting, high-pressure terminal assembly chucking helps protecting high-voltage coil on the high-pressure skeleton.

Preferably: the shell is provided with a placing groove, and the middle part of the special-shaped spring is erected in the placing groove.

Through adopting above-mentioned technical scheme, through set up the standing groove on the shell to erect the middle part of abnormal shape spring in the standing groove, help protecting abnormal shape spring, further improved the stability of abnormal shape spring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the metal wire is detachably connected between the high-voltage output terminal and the plug port, so that a welding mode is avoided, and the technical problems of insufficient solder, desoldering and the like generated in the welding process are reduced;

(2) the special-shaped spring is wound on the fixing column tightly, and the insertion part of the special-shaped spring is inserted into the limiting groove, so that the stability of the special-shaped spring is improved;

(3) synthesize and utilize the cockscomb structure fixed strip and with fixed strip upper end joint on the joint interface, help reducing the gliding condition of fixed strip and take place.

Drawings

FIG. 1 is a schematic axial view of the ignition coil of this embodiment, which mainly shows the overall structure of a tin-soldering-free ignition coil;

FIG. 2 is an exploded view of the present embodiment mainly showing the special-shaped spring and the housing;

FIG. 3 is an enlarged view of a portion A of FIG. 2, which mainly shows the structure of the shaped spring;

FIG. 4 is an exploded view of the present embodiment mainly showing the elastic insert and the special-shaped spring;

fig. 5 is an enlarged view of a portion B of fig. 4, which mainly shows a structure in which the elastic insertion piece and the special-shaped spring are inserted into the high-voltage output terminal.

Reference numerals: 1. a housing; 11. a plug port; 111. fixing a column; 12. a placement groove; 2. a high pressure scaffold; 21. a high-voltage coil; 22. a high voltage output terminal; 221. a limiting groove; 222. reinforcing ribs; 23. a card slot; 24. an interface; 241. a fixing strip; 25. an elastic insert; 3. a metal wire; 31. a special-shaped spring; 32. a plug-in part; 4. a high voltage terminal assembly; 41. clamping the column; 42. a fixing sheet; 421. a card interface.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a soldering-free ignition coil.

Example (b):

referring to fig. 1, a tin-soldering-free ignition coil comprises a shell 1, a high-voltage framework 2 and a high-voltage coil 21 wound on the high-voltage framework 2, wherein an insertion port 11 is formed in the shell 1, a high-voltage output terminal 22 is formed in the high-voltage framework 2, the insertion port 11 is connected with the high-voltage output terminal 22 through a special-shaped spring 31, one end of the special-shaped spring 31 is arranged on the insertion port 11, and one end, deviating from the insertion port 11, of the special-shaped spring 31 is arranged in the high-voltage output terminal 22.

In the application, the staff can dismantle the one end of fixing at grafting port 11 with heterotypic spring 31, and the one end that deviates from grafting port 11 can be dismantled and fix in high-voltage output terminal 22 on high-pressure skeleton 2, uses heterotypic spring 31 to be connected between grafting port 11 and the high-voltage output terminal 22.

Referring to fig. 2 and 3, a fixing post 111 is disposed on the insertion port 11, and one end of the insertion port 11 of the shaped spring 31 is wound around the fixing post 111. The high voltage output terminal 22 has a limiting groove 221 formed therein, and the high voltage output terminal 22 has a reinforcing rib 222 formed therein. The special-shaped spring 31 deviates from the bending shape to form the insertion part 32, the insertion part 32 is embedded into the limiting groove 221, and the insertion part 32 is embedded and matched with the limiting groove 221. The shell 1 is provided with a placing groove 12, and the middle part of the special-shaped spring 31 is erected in the placing groove 12.

In the application, the worker firstly winds one end of the special-shaped spring 31, which is far away from the inserting port 11, on the fixing column 111 tightly, then inserts the inserting portion 32 of the special-shaped spring 31 into the limiting groove 221 for limiting, and then erects the middle part of the special-shaped spring 31 in the placing groove 12.

Referring to fig. 4 and 5, the elastic insertion piece 25 vertically penetrates through the limiting groove 221, the elastic insertion piece 25 is in embedded fit with the limiting groove 221, and the elastic insertion piece 25 is inserted into the limiting groove 221 and tightly abuts against the insertion part 32. In the application, the staff vertically inserts the elasticity inserted sheet 25 in the spacing groove 221 to support elasticity inserted sheet 25 tight grafting portion 32, further spacing to grafting portion 32.

The implementation principle of the above embodiment is as follows: in actual work, a worker firstly winds one end of the special-shaped spring 31 tightly around the fixing column 111 on the plug port 11, embeds a limiting part formed by bending one end of the special-shaped spring 31 away from the plug port 11 into a limiting groove 221 formed in the high-voltage output terminal 22, and finally inserts the elastic insertion piece 25 into the limiting groove 221 and abuts against the limiting part by the worker; the middle part of the special-shaped spring 31 is erected in the placing groove 12 arranged on the shell 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a exempt from soldering type ignition coil, includes shell (1), high-pressure skeleton (2) and around establishing high-voltage coil (21) on high-pressure skeleton (2), be provided with grafting port (11) on shell (1), the shaping has high-pressure output terminal (22) on high-pressure skeleton (2), a serial communication port, be provided with wire (3) in shell (1), the one end of wire (3) can be dismantled to be fixed on grafting port (11), wire (3) other end can be dismantled to be fixed in high-pressure output terminal (22).

2. The tin-free ignition coil according to claim 1, wherein the metal wire (3) is a shaped spring (31).

3. The tin-free type ignition coil according to claim 2, wherein a fixing post (111) is provided on the insertion port (11), and one end of the shaped spring (31) is wound around the fixing post (111).

4. The tin-free soldering type ignition coil as claimed in claim 2, wherein a limiting groove (221) is formed in the high-voltage output terminal (22), an insertion portion (32) is formed by bending one end of the special-shaped spring (31) away from the insertion port (11), and the insertion portion (32) is embedded in the limiting groove (221).

5. The tin-soldering-free ignition coil as claimed in claim 4, wherein the high-voltage output terminal (22) is provided with an elastic insertion sheet (25), the elastic insertion sheet (25) is inserted into the limiting groove (221), and the elastic insertion sheet (25) abuts against the insertion part (32).

6. The tin-free soldering-type ignition coil according to claim 4, wherein a plurality of reinforcing ribs (222) are provided at intervals on the high-voltage output terminal (22).

7. The tin-free type ignition coil of claim 1, characterized in that a clamping groove (23) is formed on the high-voltage framework (2), the clamping groove (23) is located on two sides of the relative position of the high-voltage framework (2), a high-voltage terminal assembly (4) is arranged on the high-voltage framework (2), the high-voltage coil (21) is covered by the high-voltage terminal assembly (4), clamping columns (41) are arranged on two sides of the relative position of the high-voltage terminal assembly (4), the clamping columns (41) are partially embedded into the clamping groove (23), and the clamping columns (41) are embedded and matched with the clamping groove (23).

8. The tin-free ignition coil according to claim 2, wherein a placement groove (12) is provided on the housing (1), and a middle portion of the shaped spring (31) is erected in the placement groove (12).

Images