External installation ignition coil

Abstract

The utility model discloses an externally-installed ignition coil which comprises an installation base, a plurality of installation grooves are formed in the installation base, sealing sleeves are arranged in the installation grooves in a clamped mode, and sealing gaskets are integrally arranged at the top ends of the sealing sleeves. The ignition coil body extends into the sealing sleeve in a clamping manner, a pressing seat is arranged at the top end of the ignition coil body and is pressed and fixed at the top end of the sealing gasket, and a locking bolt is arranged between the pressing seat and the mounting seat; the protective cover is arranged above the mounting base and covers the ignition coil body, and a wire inlet groove is formed in the protective cover; the ventilation openings are formed in the two sides of the protective cover, air inlet filtering structures are arranged at the ventilation openings, and a cooling fan is arranged on the inner side of the ventilation opening on one side. The ignition coil body facilitates replacement of the sealing sleeve when the ignition coil body is installed, the top protection effect is good, and the ventilation and heat dissipation effects are good.

Description

Technical Field

[0001] The utility model relates to the technical field of ignition coils, and more specifically, to an externally installed ignition coil. Background Art

[0002] Externally mounted ignition coils are ignition coils installed outside the engine, rather than built into the cylinder head of the engine. They are easy to maintain, highly reliable, and flexible in design.

[0003] When installing, most of the existing externally mounted ignition coils are fixed on a mounting base, and a mounting groove is provided on the mounting base corresponding to the ignition coil. The spark plug structure at the bottom of the ignition coil extends into the mounting groove, and a joint structure is provided at the top thereof for connecting cables.

[0004] In order to improve the installation stability and sealing of the ignition coil in the installation groove, a sealing pad or a sealing sleeve structure is usually provided on the periphery of the ignition coil. In the prior art, the sealing sleeve structure is mostly fixed on the ignition coil. When the sealing sleeve is aged or damaged due to long-term use, it is inconvenient to replace the sealing sleeve, thereby affecting the sealing of the externally installed ignition coil.

[0005] In addition, in the prior art, the connector at the top of the externally mounted ignition coil is directly exposed to the outside after the cable structure is snap-connected, and its protection is poor. In addition, during the maintenance process, the connector position is easily touched by mistake, resulting in poor stability of the connector connection. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the problems existing in the prior art, the utility model provides an externally mounted ignition coil to solve the technical problems mentioned in the background technology that the sealing sleeve of the externally mounted ignition coil in the prior art is not easy to replace during installation and the protection of the joint connection is poor.

[0008] (II) Technical solution

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] An externally mounted ignition coil comprises a mounting seat, a plurality of mounting grooves are formed on the mounting seat, a sealing sleeve is clamped in the mounting groove, and a sealing gasket is integrally provided at the top of the sealing sleeve;

[0011] Ignition coil body: inserted into the sealing sleeve, with a pressing seat provided at the top, the pressing seat is pressed and fixed on the top of the sealing gasket, and a locking bolt is provided between the pressing seat and the mounting seat;

[0012] Protective cover: arranged above the mounting seat and covering the ignition coil body, the protective cover is provided with a wire inlet slot;

[0013] Ventilation openings: opened on both sides of the protective cover, and an air inlet filtering structure is arranged at the vents, and a cooling fan is arranged inside the vents on one side.

[0014] The utility model is further configured such that a locking column is threadedly arranged on the protective cover, and the locking column corresponds to the position of the wire inlet groove, a clamping block is arranged at the bottom end of the locking column, and a locking knob is arranged at the top end, so as to further realize the locking and fixation of the external cable and improve the connection stability of the ignition coil body at the joint position.

[0015] The utility model is further configured such that a connecting ridge is provided on the side wall of the ignition coil body, and a sealing ridge is provided inside the sealing sleeve in coordination therewith, and the connecting ridge and the sealing ridge are meshed with each other to improve the connection sealing between the ignition coil body and the sealing sleeve.

[0016] The utility model is further configured such that a limiting slide bar is provided on the outer side of the sealing sleeve, and a limiting slide groove is provided in the installation groove in cooperation with the limiting slide bar. The sealing strip can be limitedly installed in the installation groove through the cooperation of the limiting slide bar and the limiting slide groove, thereby improving the installation stability of the sealing sleeve when in use.

[0017] The utility model is further configured that a sealing gasket is provided between the protective cover and the mounting seat to enhance the sealing performance of the connection between the protective cover and the mounting seat.

[0018] The utility model is further configured that the air intake filtering structure includes a mounting frame mounted in engagement with the vent, and a dust filter is provided on the mounting frame to achieve air intake filtering inside the protective cover.

[0019] The utility model is further configured such that a locking edge is provided at the bottom edge of the protective cover, and a locking structure is provided between the locking edge and the mounting seat to achieve detachable locking between the protective cover and the mounting seat.

[0020] The utility model is further configured such that a positioning column is provided at the bottom end of the locking edge, and a positioning groove is provided on the mounting seat to improve the installation stability and accuracy of the protective cover.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model provides an externally mounted ignition coil having the following features:

[0023] Beneficial effects:

[0024] 1. The utility model includes a mounting seat, which is provided with a plurality of mounting grooves, in which a sealing sleeve is clamped and arranged, and a sealing gasket is integrally arranged at the top of the sealing sleeve, wherein a limiting slide bar is arranged on the outer side of the sealing sleeve, and a limiting slide bar is arranged in the mounting groove to cooperate with the limiting slide bar, so that the sealing sleeve carrying the sealing gasket can be detachably limited and installed at the mounting groove through the cooperation of the limiting slide bar and the limiting slide bar, so as to facilitate the separation of the sealing sleeve and the sealing gasket from the mounting groove.

[0025] 2. The utility model includes an ignition coil body, which is inserted into the sealing sleeve and has a pressing seat at the top. The pressing seat is pressed and fixed to the top of the sealing gasket, and a locking bolt is provided between the pressing seat and the mounting seat. In this way, when installing the ignition coil body, the spark plug part at the bottom of the ignition coil body is inserted into the mounting groove and located inside the sealing sleeve, wherein the sealing sleeve and the ignition coil body are in a state of mutual compression, thereby realizing the sealed installation of the ignition coil body in the mounting groove. At the same time, the sealing sleeve and the ignition coil body are non-fixedly connected, thus facilitating the replacement of the sealing sleeve and ensuring the sealing of the ignition coil body during installation.

[0026] 3. When the utility model realizes the installation of the ignition coil body, the threads between the pressing seat and the mounting seat are locked and fixed by the locking bolts. In this way, the sealing gasket is located between the pressing seat and the mounting seat, thereby achieving the sealing of the connection between the pressing seat and the mounting seat, and further enhancing the sealing stability of the ignition coil body when it is installed in the mounting groove position.

[0027] 4. The utility model provides a connecting ridge on the side wall of the ignition coil body, and a sealing ridge is provided inside the sealing sleeve. The connecting ridge and the sealing ridge are meshed with each other. When the ignition coil is inserted into the sealing sleeve, the connecting ridge and the sealing ridge are in an interference fit state. In this way, the sealing of the ignition coil body during installation can be further enhanced through the cooperation between the connecting ridge and the sealing ridge.

[0028] 5. The utility model is provided with a protective cover above the mounting seat, the cover is provided to cover the ignition coil body, and a wire inlet groove is provided on the protective cover. The provision of the protective cover can enhance the top protection of the ignition coil body after installation, and can prevent the ignition coil body from being bumped at the connector position when it is connected to external wiring after installation, thereby improving the installation stability and protection of the joint.

[0029] 6. In the utility model, ventilation holes are opened on both sides of the protective cover, and an air inlet filter structure is arranged at the ventilation holes, and a cooling fan is arranged inside the ventilation hole on one side. In this way, the air flow inside the protective cover can be strengthened under the action of the cooling fan, thereby strengthening the ventilation and heat dissipation effect inside the protective cover, and strengthening the heat dissipation performance of the ignition coil when in use. The setting of the air inlet filter structure can strengthen the dust-proof effect when the air flow inside the protective cover is circulating, and avoid the situation where dust adheres to the surface of the ignition coil body. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall structure of an externally mounted ignition coil screen in the utility model;

[0031] Figure 2 It is a schematic diagram of the overall structure decomposition of the utility model;

[0032] Figure 3 It is an exploded schematic diagram of the connection structure between the ignition coil body and the mounting base in the utility model;

[0033] Figure 4 This is an exploded schematic diagram of the connection structure between the ignition coil body and the sealing sleeve in the utility model;

[0034] Figure 5 It is a schematic cross-sectional view of the overall structure of the protective cover in the utility model.

[0035] In the figure: 1. mounting seat; 2. mounting groove; 3. sealing sleeve; 4. sealing gasket; 5. ignition coil body; 6. clamping seat; 7. locking bolt; 8. protective cover; 9. wire inlet groove; 10. vent; 11. cooling fan; 12. locking column; 13. clamping block; 14. locking knob; 15. connecting ridge; 16. sealing ridge; 17. limiting slide bar; 18. limiting slide groove; 19. sealing gasket; 20. mounting bracket; 21. dust filter; 22. locking edge; 23. locking structure; 24. positioning column; 25. positioning groove. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0038] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0039] See also Figure 1-5 , an externally mounted ignition coil, comprising a mounting seat 1, a plurality of mounting grooves 2 are provided on the mounting seat 1, a sealing sleeve 3 is provided in the mounting groove 2, a sealing gasket 4 is provided at the top of the sealing sleeve 3, wherein a limiting slide bar 17 is provided on the outer side of the sealing sleeve 3, and a limiting slide bar 18 is provided in the mounting groove 2 in cooperation with the limiting slide bar 17, so that the sealing sleeve 3 carrying the sealing gasket 4 can be detachably limitedly installed at the mounting groove 2 through the cooperation of the limiting slide bar 18 and the limiting slide bar 17, so that the sealing sleeve 3 and the sealing gasket 4 can be separated from the mounting groove 2 in a convenient manner;

[0040] The ignition coil body 5 is inserted into the sealing sleeve 3 and has a pressing seat 6 at the top. The pressing seat 6 is pressed and fixed on the top of the sealing gasket 4 and a locking bolt 7 is provided between the pressing seat 6 and the mounting seat 1.

[0041] In this way, when the ignition coil body 5 is installed, the spark plug portion at the bottom of the ignition coil body 5 is extended into the installation groove 2 and located inside the sealing sleeve 3, wherein the sealing sleeve 3 and the ignition coil body 5 are in a mutually squeezed state, thereby achieving the sealed installation of the ignition coil body 5 in the installation groove 2. At the same time, the sealing sleeve 3 and the ignition coil body 5 are non-fixedly connected, thus facilitating the replacement of the sealing sleeve 3 and ensuring the sealing performance of the ignition coil body 5 during installation;

[0042] At the same time, when the ignition coil body 5 is installed, the threads between the clamping seat 6 and the mounting seat 1 are locked and fixed by the locking bolts 7. In this way, the sealing gasket 4 is located between the clamping seat 6 and the mounting seat 1, thereby achieving the sealing of the connection between the clamping seat 6 and the mounting seat 1, and further enhancing the sealing stability of the ignition coil body 5 when it is installed in the mounting groove 2.

[0043] In the utility model, a connecting ridge 15 is provided on the side wall of the ignition coil body 5, and a sealing ridge 16 is provided inside the sealing sleeve 3, and the connecting ridge 15 and the sealing ridge 16 are meshed with each other;

[0044] When the ignition coil is inserted into the sealing sleeve 3, the connecting ridge 15 and the sealing ridge 16 are in an interference fit state. Thus, the sealing performance of the ignition coil body 5 during installation can be further enhanced through the cooperation between the connecting ridge 15 and the sealing ridge 16.

[0045] The utility model is provided with a protective cover 8 above the mounting seat 1, the cover is provided to cover the ignition coil body 5, and a wire inlet groove 9 is provided on the protective cover 8;

[0046] The provision of the protective cover 8 can enhance the top protection of the ignition coil body 5 after installation, and can prevent the connector from being bumped when the ignition coil body 5 is connected to external wiring after installation, thereby improving the installation stability and protection of the joint.

[0047] In the utility model, ventilation holes 10 are opened on both sides of the protective cover 8, and an air inlet filter structure is arranged at the ventilation hole 10, and a cooling fan 11 is arranged inside the ventilation hole 10 on one side. In this way, the air flow inside the protective cover 8 can be strengthened under the action of the cooling fan 11, thereby strengthening the ventilation and heat dissipation effect inside the protective cover 8, and strengthening the heat dissipation performance of the ignition coil body 5 when in use. The setting of the air inlet filter structure can strengthen the dust-proof effect when the air flow inside the protective cover 8 is circulating, and avoid the situation where dust adheres to the surface of the ignition coil body 5.

[0048] See also Figure 1-Figure 5 As an implementation of the protective cover 8: a locking column 12 is threadedly arranged on the protective cover 8, and the locking column 12 corresponds to the position of the wire inlet groove 9, a clamping block 13 is arranged at the bottom end of the locking column 12, and a locking knob 14 is arranged at the top end, preferably, the clamping block 13 and the locking column 12 are rotatably connected through a bearing, wherein a clamping notch structure is opened on the clamping block 13 corresponding to the cable, and the clamping block 13 preferably has a certain arbitrary rubber material.

[0049] Specifically, tighten the locking knob 14, and drive the locking column 12 to rotate through the locking knob 14, so that the locking column 12 can drive the clamping block 13 to descend, thereby achieving the compression and fixation of the connecting cable at the joint of the ignition coil body 5, thereby further improving the stability of the ignition coil body 5 when connected to the external cable.

[0050] See also Figure 1-Figure 5 As an implementation of the protective cover 8: a sealing gasket 19 is arranged between the protective cover 8 and the mounting seat 1, wherein the sealing gasket 19 covers the position of the cable inlet groove 9, so that the sealing of the cable at the cable inlet groove 9 can be strengthened.

[0051] Specifically, the sealing performance of the connection between the protective cover 8 and the mounting seat 1 can be further enhanced by disposing the sealing gasket 4 .

[0052] See also Figure 1-Figure 5 As an implementation of the air intake filter structure: the air intake filter structure includes a mounting frame 20 mounted in engagement with the vent 10 , and a dust filter 21 is disposed on the mounting frame 20 .

[0053] Specifically, the dust filter 21 can be set to intercept and filter the airflow entering the protective cover 8, intercept the dust particles therein, and improve the cleanliness of the airflow inside the protective cover 8. The installation frame 20 can realize the detachable installation of the dust filter 21 at the vent 10, so that the dust filter 21 at the vent 10 can be easily replaced and cleaned.

[0054] See also Figure 1-Figure 5 As an implementation of the protective cover 8 , a locking edge 22 is provided at the bottom edge of the protective cover 8 , and a locking structure 23 is provided between the locking edge 22 and the mounting seat 1 .

[0055] Specifically, the locking edge 22 and the mounting seat 1 can be locked and fixed by the locking structure 23, so that the protective cover 8 can be conveniently and detachably installed on the mounting seat 1, thereby improving the convenience of installing and disassembling the protective cover 8.

[0056] See also Figure 1-Figure 5 As an implementation of the locking edge 22 : a positioning column 24 is provided at the bottom end of the locking edge 22 , and a positioning groove 25 is provided on the mounting seat 1 to cooperate with it.

[0057] Specifically, when installing the protective cover 8, the positioning column 24 at the bottom end of the locking edge 22 can be engaged with the positioning groove 25 on the mounting base 1, so that the protective cover 8 can be positioned and installed on the mounting base 1, thereby improving the installation stability and accuracy of the protective cover 8 on the mounting base 1.

[0058] In summary, when the overall equipment is in use:

[0059] The sealing sleeve 3 carrying the sealing gasket 19 is mounted on the ignition coil body 5 from bottom to top, and then the bottom end of the ignition coil body 5 is extended into the installation groove 2, and the limiting slide bar 17 on the sealing sleeve 3 is slidably engaged in the limiting slide groove 18 in the installation groove 2 to achieve the limited installation between the sealing sleeve 3 and the installation groove 2. In this way, the installation sealing between the ignition coil body 5 and the installation groove 2 is achieved;

[0060] The pressing seat 6 is pressed and fixed on the sealing gasket 4, and the locking bolt 7 is used to realize the locking and fixing between the pressing seat 6 and the mounting seat 1;

[0061] Afterwards, the connector on the ignition coil body 5 is connected to the external cable to achieve stable sealing installation of the ignition coil body 5 on the mounting seat 1. With this structure, the sealing sleeve 3, the mounting groove 2 and the ignition coil body 5 are all in detachable connection, so that when the ignition coil body 5 is inspected and repaired, the sealing sleeve 3 can be replaced separately, thereby improving the sealing performance of the ignition coil body 5 during installation and use;

[0062] Afterwards, the protective cover 8 is buckled onto the ignition coil body 5, and the positioning column 24 at the bottom end of the locking edge 22 is extended into the corresponding positioning groove 25 on the mounting seat 1, so as to achieve the limited and accurate installation of the protective cover 8 on the mounting seat 1;

[0063] Then, the locking edge 22 on the protective cover 8 is locked and fixed to the mounting seat 1 through the locking structure 23, so that the protective cover 8 can be stably and detachably mounted on the mounting seat 1;

[0064] At this time, the cable connected to the ignition coil body 5 is located in the corresponding wire inlet groove 9, and the locking knob 14 is tightened to drive the locking column 12 to rotate, so that the locking column 12 can drive the pressing block 13 to descend, thereby realizing the compression and fixation of the connecting cable at the joint of the ignition coil body 5, thereby further improving the stability of the ignition coil body 5 when connected to the external cable;

[0065] During use, the cooling fan 11 is started. Under the action of the cooling fan 11, the air flow inside the protective cover 8 can be strengthened, thereby strengthening the ventilation and heat dissipation effect inside the protective cover 8, and strengthening the heat dissipation performance of the ignition coil body 5 during use. Among them, the setting of the air inlet filter structure can strengthen the dust-proof effect when the air flow inside the protective cover 8 is circulating, and avoid dust adhering to the surface of the ignition coil body 5.

[0066] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0067] In all the schemes mentioned above, those involving the operation of electrical components are controlled by the controller unless otherwise clearly described. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. An externally mounted ignition coil, comprising a mounting seat (1), wherein the mounting seat (1) is provided with a plurality of mounting slots (2), wherein: A sealing sleeve (3) is provided in the installation groove (2), and a sealing gasket (4) is integrally provided at the top end of the sealing sleeve (3); An ignition coil body (5) is inserted into the sealing sleeve (3) and is provided with a pressing seat (6) at the top. The pressing seat (6) is pressed and fixed on the top of the sealing gasket (4) and a locking bolt (7) is provided between the pressing seat and the mounting seat (1). A protective cover (8) is arranged above the mounting seat (1) and covers the ignition coil body (5); a wire inlet groove (9) is provided on the protective cover (8); Ventilation openings (10) are provided on both sides of the protective cover (8), and an air inlet filtering structure is provided at the ventilating openings (10). A heat dissipation fan (11) is provided inside the ventilating openings (10) on one side.

2. The externally mounted ignition coil according to claim 1, characterized in that: A locking column (12) is threadedly arranged on the protective cover (8), and the locking column (12) corresponds to the position of the wire inlet groove (9). A pressing block (13) is arranged at the bottom end of the locking column (12), and a locking knob (14) is arranged at the top end.

3. The externally mounted ignition coil according to claim 1, characterized in that: A connecting ridge (15) is provided on the side wall of the ignition coil body (5), and a sealing ridge (16) is provided inside the sealing sleeve (3), and the connecting ridge (15) and the sealing ridge (16) are meshed with each other.

4. The externally mounted ignition coil according to claim 3, characterized in that: A limiting slide bar (17) is arranged on the outer side of the sealing sleeve (3), and a limiting slide groove (18) is provided in the installation groove (2) in coordination with the limiting slide bar (17).

5. The externally mounted ignition coil according to claim 1, characterized in that: A sealing gasket (19) is provided between the protective cover (8) and the mounting seat (1).

6. An externally mounted ignition coil according to any one of claims 1 to 5, characterized in that: The air intake filtering structure comprises a mounting frame (20) mounted in engagement with the vent (10), and a dustproof filter (21) is arranged on the mounting frame (20).

7. The externally mounted ignition coil according to claim 1, characterized in that: A locking edge (22) is provided at the bottom edge of the protective cover (8), and a locking structure (23) is provided between the locking edge (22) and the mounting seat (1).

8. The externally mounted ignition coil according to claim 7, characterized in that: A positioning column (24) is provided at the bottom end of the locking edge (22), and a positioning groove (25) is provided on the mounting seat (1) to cooperate with the locking edge (22).

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