CN220828300U - Ignition coil sealing structure - Google Patents

Ignition coil sealing structure Download PDF

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Publication number
CN220828300U
CN220828300U CN202322812056.4U CN202322812056U CN220828300U CN 220828300 U CN220828300 U CN 220828300U CN 202322812056 U CN202322812056 U CN 202322812056U CN 220828300 U CN220828300 U CN 220828300U
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CN
China
Prior art keywords
cavity
outer tube
ignition coil
groove
exhaust
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Active
Application number
CN202322812056.4U
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Chinese (zh)
Inventor
张翔宇
逄晓宇
李成岳
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FAW Jiefang Automotive Co Ltd
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FAW Jiefang Automotive Co Ltd
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Priority to CN202322812056.4U priority Critical patent/CN220828300U/en
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Abstract

The utility model belongs to the technical field of engines, and discloses an ignition coil sealing structure. The cable comprises a cable, an outer tube, a sealing ring, an upper cover and an upper tube body, wherein a wire groove is formed in the outer tube, the cable is arranged in the wire groove in a penetrating mode, the upper cover covers the upper side of the upper tube body, the upper tube body is arranged on the upper side of the outer tube, the sealing ring is arranged between the upper tube body and the outer tube in a cushioning mode, a first cavity is formed in the upper tube body, the first cavity is communicated with the wire groove, and the cable is arranged in the first cavity; a gap is formed between the upper pipe body and the upper cover, a first through hole is formed in the side wall of the upper cover, and the first cavity is communicated with the outside through the gap and the first through hole in sequence; the problem of the cable can condense out the water droplet on the inner wall of outer tube of engine cable when passing through high voltage electricity under the prior art is solved.

Description

Ignition coil sealing structure
Technical Field
The utility model relates to the technical field of engines, in particular to an ignition coil sealing structure.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is applicable to both power generation devices and to the entire machine (e.g., gasoline engine, aeroengine) including the power plant.
The engine ignition system is one of important parts of an engine, when the ignition coil of the existing engine ignition system is used for ignition, a high-voltage wire is arranged in an outer tube in a penetrating mode, the length of the outer tube and the length of a cable are long, when the high-voltage wire flows through the wire inside the ignition coil, the high-voltage wire can heat gas around the wire, the gas around the cable encounters the phenomenon that the inner wall of the outer tube is cold, liquefaction occurs, heat generated by the cable at the bottom of the outer tube cannot volatilize to the outside, condensed small water drops can appear on the inner portion of the outer tube around the cable, then the water drops can flow downwards along the inner wall of the outer tube, further the parts connected with the cable are affected with moisture, and meanwhile, the phenomena that the engine is in fire and knocks occur are caused.
Disclosure of utility model
The utility model aims to provide an ignition coil sealing structure, which solves the problem that water drops can be condensed on the inner wall of an outer tube of an engine cable when the cable passes through high voltage in the prior art.
To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an ignition coil sealing structure which comprises a cable, an outer tube, a sealing ring, an upper cover and an upper tube body, wherein a wire groove is formed in the outer tube, the cable is arranged in the wire groove in a penetrating mode, the upper cover covers the upper side of the upper tube body, the upper tube body is arranged on the upper side of the outer tube, the sealing ring is arranged between the upper tube body and the outer tube in a cushioning mode, a first cavity is formed in the upper tube body, the first cavity is communicated with the wire groove, and the cable is arranged in the first cavity;
a gap is formed between the upper pipe body and the upper cover, a first through hole is formed in the side wall of the upper cover, and the first cavity is communicated with the outside through the gap and the first through hole in sequence.
Preferably, a first transverse hole and a second transverse hole are formed in the outer tube perpendicular to the axis, a first annular cavity and an exhaust cavity are further formed in the outer tube, the first transverse hole is used for communicating the wire slot with the first annular cavity, and the second transverse hole is used for communicating the exhaust cavity with the first annular cavity; the sealing ring is provided with a first exhaust groove, the sealing ring is also provided with an annular groove, the upper pipe body is internally provided with a second exhaust groove, the first exhaust groove is communicated with the second exhaust groove through the annular groove, the first exhaust groove is communicated with the exhaust cavity, and the second exhaust groove is communicated with the first cavity.
Preferably, a wedge-shaped groove is formed on the inner wall of the upper cover, a protruding portion is formed on the outer wall of the upper pipe body, and the protruding portion is clamped in the wedge-shaped groove.
Preferably, the ignition coil sealing structure further comprises a screen installed in the first cavity, the gap is arranged between the screen and the upper cover, and the screen can intercept dust.
Preferably, the material of the outer tube is teflon.
Preferably, the outer edge of the sealing ring is provided with a flanging, the flanging is abutted against an annular wall on the inner side of the outer tube, and the inner side of the annular wall is the exhaust cavity.
Preferably, the upper tube body and the outer tube are fastened by bolts.
The beneficial effects are that: when the cable passes through high-voltage electricity, will heat the gas in first cavity and the wire casing, make inside gas intensification, inside high temperature gas is derived to the external world along clearance and first through-hole in from first cavity, avoids high temperature gas to heat up gradually and then contact the inner wall of the upper tube body in first cavity and liquefies, and the moisture in the air can in time export gas to the external world through clearance and first through-hole, avoids the steam condensation in ignition coil seal structure.
Drawings
FIG. 1 is a cross-sectional view of a first vent slot of the ignition coil seal structure of the present utility model;
FIG. 2 is a cross-sectional view of a second vent slot of the ignition coil seal structure of the present utility model;
fig. 3 is an exploded view (without the outer tube) of the ignition coil sealing structure of the present utility model.
In the figure: 1. a cable; 2. an outer tube; 21. a wire slot; 22. a first transverse bore; 23. a second transverse bore; 24. a first annular cavity; 25. an exhaust chamber; 3. a seal ring; 31. a first exhaust groove; 32. an annular groove; 33. flanging; 4. an upper cover; 41. a first through hole; 5. an upper tube body; 51. a first cavity; 52. a second exhaust groove; 53. a boss; 6. a screen; 7. a gap.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The ignition coil sealing structure under the prior art has the advantages that due to good tightness, high-voltage current can generate heat after passing through the cable, air in the wire slot is further heated, moisture in the air is heated and then is condensed on the inner wall of the outer wire slot, water drops are formed to flow back into the engine, and knocking is caused.
In order to solve the above problems, as shown in fig. 1 to 3, the present utility model provides an ignition coil sealing structure, which comprises a cable 1, an outer tube 2, a sealing ring 3, an upper cover 4 and an upper tube body 5, wherein a wire slot 21 is formed in the outer tube 2, the cable 1 is arranged in the wire slot 21 in a penetrating manner, the upper cover 4 covers the upper side of the upper tube body 5, the upper tube body 5 is arranged on the upper side of the outer tube 2, the sealing ring 3 is arranged between the upper tube body 5 and the outer tube 2 in a cushioning manner, a first cavity 51 is formed in the upper tube body 5, the first cavity 51 is communicated with the wire slot 21, and the cable 1 is arranged in the first cavity 51;
A gap 7 is formed between the upper pipe body 5 and the upper cover 4, a first through hole 41 is formed in the side wall of the upper cover 4, and the first cavity 51 is communicated with the outside through the gap 7 and the first through hole 41 in sequence.
Because the upper cover 4 and the side wall part of the upper pipe body 5 can overlap, so the first through hole 41 is formed in the upper cover 4, and because the cable 1 is also distributed in the first cavity 51, the cable 1 can heat the air in the first cavity 51, after the air is heated, the air can be discharged to the outside along the gap 7 and the first through hole 41 due to the volume expansion of the air, and meanwhile, the moisture in the air can be discharged to the outside, so that the air humidity in the ignition coil sealing structure is reduced, the phenomenon that water drops condensed in the first cavity 51 flow downwards is avoided, and the inner wall of the first cavity 51 can be kept dry all the time.
The inner part of the outer tube 2 of the utility model is provided with a first transverse hole 22 and a second transverse hole 23 perpendicular to the axis, the inner part of the outer tube 2 is also provided with a first annular cavity 24 and an exhaust cavity 25, the first transverse hole 22 communicates the wire slot 21 with the first annular cavity 24, and the second transverse hole 23 communicates the exhaust cavity 25 with the first annular cavity 24; the sealing ring 3 is provided with a first exhaust groove 31, the sealing ring 3 is also provided with an annular groove 32, the upper pipe body 5 is internally provided with a second exhaust groove 52, the first exhaust groove 31 is communicated with the second exhaust groove 52 through the annular groove 32, the first exhaust groove 31 is communicated with the exhaust cavity 25, and the second exhaust groove 52 is communicated with the first cavity 51.
The first transverse hole 22 is arranged at a position close to the engine, namely, the position of the root of the wire groove 21, air heated by the cable 1 at the bottom of the wire groove 21 can enter the first annular cavity 24 along the first transverse hole 22, then enter the exhaust cavity 25 through the second transverse hole 23, finally sequentially pass through the first exhaust groove 31, the annular groove 32 and the second exhaust groove 52, finally enter the first cavity 51, and are discharged to the outside along the gap 7 and the first through hole 41, so that the bottom of the wire groove 21 can be provided with a channel communicated with the outside air, the moist air at the bottom can be timely discharged to the outside, the humidity at the bottom of the wire groove 21 can be further reduced, the air with high temperature at the bottom can be rapidly discharged upwards, the probability that water drops condense on the inner wall of the wire groove 21 is reduced, the first exhaust grooves 31 are distributed on the annular groove 32 at equal intervals in a circular shape, the same second exhaust grooves 52 are also distributed on the upper pipe body 5 along the annular groove 32, the number of the first exhaust grooves 31 and the second exhaust grooves 52 is increased, the probability that the water drops condense in the wire groove 21 is lower the wire groove 21 is increased.
Wedge-shaped grooves are formed on the inner wall of the upper cover 4, protruding portions 53 are formed on the outer wall of the upper pipe body 5, and the protruding portions 53 are clamped in the wedge-shaped grooves.
Therefore, the upper cover 4 can be stably fixed on the protruding part 53 of the upper pipe body 5, the upper cover 4 is prevented from falling off, and the upper cover can be timely taken down during disassembly, so that the later maintenance is facilitated.
The ignition coil sealing structure further comprises a separation net 6, the separation net 6 is arranged in the first cavity 51, the first through holes 41 are formed between the separation net 6 and the upper cover 4, the separation net 6 can intercept dust, the dust is prevented from entering the ignition coil sealing structure along the first through holes 41 and the gaps 7, and cleanliness of the ignition coil sealing structure is improved.
The outer tube 2 is made of teflon, so that the probability of condensation of water vapor on the tube wall can be reduced, the tube wall is easy to heat, the temperature difference between the tube wall and high-temperature gas is low, and the degree of condensation of the water vapor is reduced.
The flange 33 is formed on the outer edge of the sealing ring 3, the flange 33 is abutted to the annular wall on the inner side of the outer tube 2, the exhaust cavity 25 is formed on the inner side of the annular wall, the sealing ring 3 can be buckled on the annular wall by arranging the flange 33, external dust is prevented from entering the wire slot 21 along the gap 7 between the sealing ring 3 and the outer tube 2, and cleanliness in the ignition coil sealing structure is guaranteed.
The upper pipe body 5 and the outer pipe 2 are fastened through bolts, so that the upper pipe body 5 and the outer pipe 2 can be fastened, and meanwhile, the disassembly and the overhaul are convenient through the tightening bolts.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (7)

1. The utility model provides an ignition coil seal structure, its characterized in that includes cable (1), outer tube (2), sealing ring (3), upper cover (4) and last body (5), be formed with wire casing (21) in outer tube (2), cable (1) wear to establish in wire casing (21), upper cover (4) lid is in last body (5) upside, go up body (5) and install outer tube (2) upside, go up body (5) with cushion between outer tube (2) and be equipped with sealing ring (3), be formed with first cavity (51) in going up body (5), first cavity (51) with wire casing (21) intercommunication, cable (1) set up in first cavity (51);
A gap (7) is formed between the upper pipe body (5) and the upper cover (4), a first through hole (41) is formed in the side wall of the upper cover (4), and the first cavity (51) is communicated with the outside through the gap (7) and the first through hole (41) in sequence.
2. The ignition coil sealing structure according to claim 1, wherein a first transverse hole (22) and a second transverse hole (23) are formed in the outer tube (2) perpendicular to the axis, a first annular cavity (24) and an exhaust cavity (25) are further formed in the outer tube (2), the first transverse hole (22) communicates the wire groove (21) with the first annular cavity (24), and the second transverse hole (23) communicates the exhaust cavity (25) with the first annular cavity (24); the sealing ring is characterized in that a first exhaust groove (31) is formed in the sealing ring (3), an annular groove (32) is further formed in the sealing ring (3), a second exhaust groove (52) is formed in the upper pipe body (5), the first exhaust groove (31) is communicated with the second exhaust groove (52) through the annular groove (32), the first exhaust groove (31) is communicated with the exhaust cavity (25), and the second exhaust groove (52) is communicated with the first cavity (51).
3. The ignition coil sealing structure according to claim 1, wherein a wedge-shaped groove is formed on the inner wall of the upper cover (4), a protruding portion (53) is formed on the outer wall of the upper pipe body (5), and the protruding portion (53) is clamped in the wedge-shaped groove.
4. The ignition coil sealing structure according to claim 1, characterized in that the ignition coil sealing structure further comprises a screen (6), the screen (6) being mounted in the first cavity (51), the gap (7) being provided between the screen (6) and the upper cover (4), the screen (6) being capable of intercepting dust.
5. Ignition coil sealing structure according to claim 1, characterized in that the material of the outer tube (2) is teflon.
6. Ignition coil sealing arrangement according to claim 2, characterized in that the sealing ring (3) is formed with a flange (33) at its outer edge, which flange (33) abuts against an annular wall inside the outer tube (2), which annular wall is inside the exhaust chamber (25).
7. Ignition coil sealing structure according to claim 1, characterized in that the upper tube body (5) and the outer tube (2) are fastened by means of bolts.
CN202322812056.4U 2023-10-19 2023-10-19 Ignition coil sealing structure Active CN220828300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322812056.4U CN220828300U (en) 2023-10-19 2023-10-19 Ignition coil sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322812056.4U CN220828300U (en) 2023-10-19 2023-10-19 Ignition coil sealing structure

Publications (1)

Publication Number Publication Date
CN220828300U true CN220828300U (en) 2024-04-23

Family

ID=90722082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322812056.4U Active CN220828300U (en) 2023-10-19 2023-10-19 Ignition coil sealing structure

Country Status (1)

Country Link
CN (1) CN220828300U (en)

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