CN220985124U - Automobile spark plug sheath - Google Patents
Automobile spark plug sheath Download PDFInfo
- Publication number
- CN220985124U CN220985124U CN202322297358.2U CN202322297358U CN220985124U CN 220985124 U CN220985124 U CN 220985124U CN 202322297358 U CN202322297358 U CN 202322297358U CN 220985124 U CN220985124 U CN 220985124U
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- China
- Prior art keywords
- spark plug
- hole
- sheath
- sheath main
- main part
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Spark Plugs (AREA)
Abstract
The utility model discloses an automobile spark plug sheath, which comprises a sheath main body and a locking mechanism, wherein the surface of the sheath main body is provided with the locking mechanism for fixing the position of a spark plug, the locking mechanism comprises a conical sleeve, a mounting cavity, an outer thread groove, a thread sleeve and an inner tooth groove, the conical sleeve is integrally formed at the middle section position inside the sheath main body, the thread sleeve is screwed towards one side of the conical sleeve after the spark plug is mounted in the mounting cavity, the conical sleeve is continuously extruded in the screwing process of the thread sleeve, the inner wall of the conical sleeve is tightly clamped on the outer wall of the spark plug to fix the spark plug, the problems of looseness and dislocation in the use process are avoided, and the stability of the position of the spark plug is ensured.
Description
Technical Field
The utility model relates to the technical field of automobile components, in particular to an automobile spark plug sheath.
Background
The spark plug is used for discharging pulse high-voltage power sent by a high-voltage lead to break through air between two electrodes of the spark plug, so as to generate electric sparks to ignite mixed gas in the cylinder, and the spark plug is matched with an ignition system and an oil supply system to enable the engine to work, so that the performance of the engine is determined together to a great extent, and the spark plug sheath is a matched assembly for the spark plug in use and is mainly used for protecting the spark plug.
The existing spark plug sheath has the following disadvantages when in use: the automobile spark plug sheath in the prior market can displace due to shaking of the automobile or jolt of external road conditions when the automobile runs, the fixation between the automobile spark plug sheath and the automobile spark plug sheath is not tight enough, even the phenomenon of falling off from the spark plug occurs, thus electric leakage is caused, the automobile engine is caused to fire, stall and the whole automobile is in a dangerous condition of burning.
Disclosure of utility model
The utility model mainly aims to provide the automobile spark plug sheath, which can improve the stability of the position of the spark plug after installation and fix the position of the spark plug through the locking mechanism arranged at the middle section of the sheath main body, thereby effectively solving the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides an automobile spark plug sheath, includes the sheath main part, still includes locking mechanism, sheath main part surface is provided with the locking mechanism of fixed spark plug position, locking mechanism includes taper sleeve, installation cavity, outer helicoidal groove, swivel nut and internal tooth groove, the inside middle section position integrated into one piece of sheath main part has the taper sleeve, and the installation cavity that is used for installing the spark plug that is linked together is offered to the inside and the taper sleeve of sheath main part, and taper sleeve outer wall and sheath main part outer wall are close to taper sleeve one side and all offered outer helicoidal groove and are connected with the swivel nut through outer helicoidal groove clearance fit.
Further, the novel protective sleeve comprises an exhaust mechanism, wherein the end part of the protective sleeve body is provided with the exhaust mechanism, the exhaust mechanism comprises a through hole, a mounting frame, a spring, a piston, a vent hole and an exhaust hole, the two sides of the end part of the protective sleeve body are respectively provided with the through hole, the inner wall of the through hole is fixedly connected with the mounting frame, and the surface of the mounting frame is movably connected with the piston corresponding to the position of the through hole through the spring; the surface of mounting bracket has the piston through spring coupling, is in normally closed state shutoff through-hole when the piston normal use, avoids entering such as dust impurity, when the spark plug installation and daily use, the inside gaseous high temperature extrusion of sheath main part and then promotes the piston displacement, can realize the discharge of inside gas when the exhaust hole shifts out inside the through-hole, and then the piston resets under spring force effect, both avoided falling into dust impurity, the sheath inflation that the inside long-time high temperature air of avoiding simultaneously leads to.
Further, an internal tooth groove for improving the installation stability of the spark plug is formed in the inner wall of the installation cavity close to the conical sleeve; the inner tooth grooves are attached to the periphery of the spark plug, and the tightness of the joint is improved.
Further, one end of the piston, which is close to the inside of the mounting cavity, is provided with a vent hole, and the tail end of the vent hole is provided with an exhaust hole; so that the high-temperature and high-pressure air flow inside the sheath main body can be discharged.
Further, the exhaust hole is communicated with the inside of the vent hole and penetrates through the inside of the piston; the exhaust hole is matched with the vent hole to realize the external exhaust of the air flow.
Compared with the prior art, the utility model has the following beneficial effects: the middle section of the sheath main body is integrally formed with a conical sleeve with a conical structure during production, the outer wall of the conical sleeve and the outer wall of the sheath main body adjacent to the conical sleeve are provided with outer screw grooves, the screw sleeve can be screwed, the screw sleeve is screwed towards one side of the conical sleeve after the spark plug is installed in the installation cavity, the conical sleeve is continuously extruded in the screwing process of the screw sleeve, the inner wall of the conical sleeve is tightly clamped on the outer wall of the spark plug to fix the spark plug, the problems of looseness and dislocation in the use process of the spark plug are avoided, and the stability of the position of the spark plug is ensured; the surface of mounting bracket has the piston through spring coupling, is in normally closed state shutoff through-hole when the piston normal use, avoids entering such as dust impurity, when the spark plug installation and daily use, the inside gaseous high temperature extrusion of sheath main part and then promotes the piston displacement, can realize the discharge of inside gas when the exhaust hole shifts out inside the through-hole, and then the piston resets under spring force effect, both avoided falling into dust impurity, the sheath inflation that the inside long-time high temperature air of avoiding simultaneously leads to.
Drawings
FIG. 1 is a schematic view of the overall structure of an automotive spark plug boot according to the present utility model.
FIG. 2 is a schematic view of the internal structure of a conical sleeve of an automotive spark plug boot according to the present utility model.
Fig. 3 is a schematic view of an exhaust mechanism of an automotive spark plug boot according to the present utility model.
In the figure: 1. a sheath body; 2. a locking mechanism; 201. a conical sleeve; 202. a mounting cavity; 203. an outer screw groove; 204. a screw sleeve; 205. an inner spline; 3. an exhaust mechanism; 301. a through hole; 302. a mounting frame; 303. a spring; 304. a piston; 305. a vent hole; 306. and an exhaust hole.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, an automobile spark plug sheath comprises a sheath main body 1 and further comprises a locking mechanism 2, wherein the surface of the sheath main body 1 is provided with the locking mechanism 2 for fixing the position of the spark plug, the locking mechanism 2 comprises a conical sleeve 201, a mounting cavity 202, an outer screw groove 203, a screw sleeve 204 and an inner tooth groove 205, the conical sleeve 201 is integrally formed in the middle section position inside the sheath main body 1, the mounting cavity 202 which is communicated and used for mounting the spark plug is formed in the inner part of the sheath main body 1 and the conical sleeve 201, and the outer screw groove 203 is formed in the outer wall of the conical sleeve 201 and the outer wall of the sheath main body 1, which are close to one side of the conical sleeve 201, and the screw sleeve 204 is connected through the movable fit of the outer screw groove 203.
The novel sheath comprises a sheath body 1, and is characterized by further comprising an exhaust mechanism 3, wherein the end part of the sheath body 1 is provided with the exhaust mechanism 3, the exhaust mechanism 3 comprises a through hole 301, a mounting frame 302, a spring 303, a piston 304, a vent hole 305 and an exhaust hole 306, both sides of the end part of the sheath body 1 are respectively provided with the through hole 301, the inner wall of the through hole 301 is fixedly connected with the mounting frame 302, and the surface of the mounting frame 302 is movably connected with the piston 304 corresponding to the position of the through hole 301 through the spring 303; the surface of mounting bracket 302 is connected with piston 304 through spring 303, and piston 304 is in normally closed state when normally using and blocks up through-hole 301, avoids entering such as dust impurity, and when the spark plug is installed and during daily use, inside gaseous being extruded by the high temperature of sheath main part 1 and then pushing piston 304 displacement can realize the discharge of inside gaseous when vent hole 306 shifts out inside through-hole 301, and then piston 304 resets under spring 303 elasticity effect, both avoids falling into dust impurity, avoids the sheath inflation that inside long-time high pressure high temperature air led to simultaneously.
Wherein, an inner tooth groove 205 for improving the installation stability of the spark plug is arranged on the inner wall of the installation cavity 202 near the conical sleeve 201; the inner tooth grooves 205 are attached to the outer periphery of the spark plug, so that the tightness of the joint is improved.
Wherein, a vent hole 305 is formed at one end of the piston 304 near the inside of the mounting cavity 202, a vent hole 306 is formed at the tail end of the vent hole 305, the vent hole 306 is communicated with the inside of the vent hole 305, and the vent hole 306 penetrates through the inside of the piston 304; so that the high-temperature and high-pressure air flow in the sheath body 1 can be discharged, and the exhaust hole 306 and the vent hole 305 cooperate to realize the discharge of the air flow.
It should be noted that, when in use, the middle section of the main body 1 of the sheath is integrally formed with a conical sleeve 201 with a conical structure during production, the outer wall of the conical sleeve 201 and the outer wall of the main body 1 of the sheath adjacent to the conical sleeve are provided with an outer screw groove 203, the screw sleeve 204 can be screwed, the screw sleeve 204 is screwed towards one side of the conical sleeve 201 after the spark plug is mounted in the mounting cavity 202, the conical sleeve 201 is continuously extruded in the screwing process of the screw sleeve 204, so that the inner wall of the conical sleeve 201 is tightly clamped on the outer wall of the spark plug to realize the fixation of the spark plug, the problems of looseness and dislocation in the use process are avoided, and the stability of the position of the spark plug is ensured; the surface of mounting bracket 302 is connected with piston 304 through spring 303, and piston 304 is in normally closed state when normally using and blocks up through-hole 301, avoids entering such as dust impurity, and when the spark plug is installed and during daily use, inside gaseous being extruded by the high temperature of sheath main part 1 and then pushing piston 304 displacement can realize the discharge of inside gaseous when vent hole 306 shifts out inside through-hole 301, and then piston 304 resets under spring 303 elasticity effect, both avoids falling into dust impurity, avoids the sheath inflation that inside long-time high pressure high temperature air led to simultaneously.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Those skilled in the art will appreciate that the present utility model is not limited by the foregoing
The foregoing embodiments and description are merely illustrative of the principles of this utility model, and various changes and modifications can be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an automobile spark plug sheath, includes sheath main part (1), its characterized in that still includes locking mechanism (2), sheath main part (1) surface is provided with locking mechanism (2) of fixed spark plug position, locking mechanism (2) are including toper cover (201), installation cavity (202), external screw groove (203), swivel nut (204) and internal tooth groove (205), sheath main part (1) inside middle section position integrated into one piece has toper cover (201), and installation cavity (202) that are used for installing the spark plug that are linked together are offered to sheath main part (1) inside and toper cover (201) inside, and toper cover (201) outer wall and sheath main part (1) outer wall all have been offered external screw groove (203) and have swivel nut (204) through external screw groove (203) movable fit near toper cover (201) one side.
2. An automotive spark plug boot as claimed in claim 1, wherein: still include exhaust mechanism (3), sheath main part (1) tip is provided with exhaust mechanism (3), exhaust mechanism (3) are including through-hole (301), mounting bracket (302), spring (303), piston (304), air vent (305) and exhaust hole (306), and through-hole (301) and all fixedly connected with mounting bracket (302) of through-hole (301) inner wall have all been seted up to sheath main part (1) tip both sides, and mounting bracket (302) surface has piston (304) corresponding with through-hole (301) position through spring (303) swing joint.
3. An automotive spark plug boot as claimed in claim 1, wherein: an inner tooth groove (205) for improving the installation stability of the spark plug is formed in the inner wall of the installation cavity (202) close to the conical sleeve (201).
4. An automotive spark plug boot as claimed in claim 2, wherein: the piston (304) is close to one end inside the mounting cavity (202) and is provided with a vent hole (305), and the tail end of the vent hole (305) is provided with an exhaust hole (306).
5. An automotive spark plug boot as described in claim 4 wherein: the exhaust hole (306) is communicated with the inside of the vent hole (305), and the exhaust hole (306) penetrates through the inside of the piston (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297358.2U CN220985124U (en) | 2023-08-25 | 2023-08-25 | Automobile spark plug sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297358.2U CN220985124U (en) | 2023-08-25 | 2023-08-25 | Automobile spark plug sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985124U true CN220985124U (en) | 2024-05-17 |
Family
ID=91038661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322297358.2U Active CN220985124U (en) | 2023-08-25 | 2023-08-25 | Automobile spark plug sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985124U (en) |
-
2023
- 2023-08-25 CN CN202322297358.2U patent/CN220985124U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |