CN214255061U - Corrosion-resistant film shielding case with high ignition efficiency - Google Patents

Abstract

The utility model discloses an efficient corrosion-resistant membrane shield cover ignites, including the spark plug body, the outside fixed connection mount pad of spark plug body, the connection shield cover subassembly can be dismantled through the bolt to the mount pad top, the shield cover subassembly includes hoop, stand and holding ring respectively, the hoop bottom is through stand fixed connection holding ring, holding ring bottom fixed connection boss, mount pad inner wall bottom fixed connection limiting plate, the limiting plate upper surface bonds and has first sealing washer, the mount pad upper surface bonds and has the second sealing washer. The utility model discloses a ferrule, stand cooperation holding ring use, constitute the shield cover subassembly, have fine shielding property to improve the efficiency of igniteing, through installing first sealing washer and second sealing washer respectively in mount pad and holding ring junction, double seal, the leakproofness of effectual improvement junction has fine dustproof and waterproof performance, increase of service life.

Description

Corrosion-resistant film shielding case with high ignition efficiency

Technical Field

The utility model relates to a shield cover technical field specifically is an efficient corrosion-resistant membrane shield cover ignites.

Background

Spark plugs are important components of gasoline engine ignition systems that introduce high voltage electricity into the combustion chamber and cause it to jump the electrode gap to create a spark that ignites the combustible mixture in the cylinder. The wire-connecting structure mainly comprises a wire-connecting nut, an insulator, a wire-connecting screw rod, a central electrode, a side electrode and a shell, wherein the side electrode is welded on the shell.

The shielding spark plug is made up by using metal shell body to shield and seal the whole spark plug, not only can inhibit electromagnetic interference, but also can be used in the places of water-proofing and explosion-proofing.

However, the existing shielding case has the following disadvantages when in use:

1. the anti-interference performance of the shielding cover is poor, the ignition efficiency is influenced, the performance of the product is reduced, and fewer users are required, so that the product is lost;

2. the installation stability of shield cover is poor, and easy offset displacement, and the junction has the infiltration of dust and water liquid easily, reduces the result of use, shortens life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a corrosion-resistant film shielding case with high ignition efficiency, which aims to solve the problems that when the existing shielding case provided in the background art is used, the anti-interference performance of the shielding case is poor, the ignition efficiency is influenced, the performance of a product is reduced, and users are fewer and fewer, so that the product is lost; the installation stability of shield cover is poor, and easy offset displacement, and the junction has the infiltration of dust and water liquid easily, reduces the result of use, shortens life's problem.

In order to solve the technical problem, the utility model provides a following technical scheme: a corrosion-resistant film shielding case with high ignition efficiency comprises a spark plug body, wherein a mounting seat is fixedly connected to the outer portion of the spark plug body, a shielding case assembly is detachably connected to the upper portion of the mounting seat through bolts and comprises a hoop, a stand column and a positioning ring respectively, the bottom of the hoop is fixedly connected with the positioning ring through the stand column, the bottom of the positioning ring is fixedly connected with a boss, the bottom of the inner wall of the mounting seat is fixedly connected with a limiting plate, a first sealing ring is bonded to the upper surface of the limiting plate, a second sealing ring is bonded to the upper surface of the mounting seat, the hoop and the stand column are matched with the positioning ring for use to form the shielding case assembly, the shielding case assembly has good shielding performance, so that ignition efficiency is improved, and the sealing performance of the joints is effectively improved through the first sealing ring and the second sealing ring which are respectively mounted at the joints of the mounting seat and the positioning ring, has good dustproof and waterproof performance and prolonged service life.

Furthermore, the shielding cover assembly is sleeved outside the spark plug body, the surface of the spark plug body is compounded with the corrosion-resistant coating, the corrosion resistance of the spark plug body is effectively improved through the corrosion-resistant coating, and the service life is prolonged.

Further, the holding ring surface is seted up threaded hole, the thread groove has been seted up to the mount pad upper surface, threaded hole and thread groove are corresponding, run through the threaded hole of holding ring through bolt or retaining member, and the spiral is pegged graft inside the thread groove of mount pad, has realized that the installation is fixed, and stability is good.

Further, the diameter of second sealing washer is greater than the diameter of first sealing washer, and second sealing washer upper surface integrated into one piece has convex recess, through installing first sealing washer and second sealing washer respectively at mount pad and holding ring junction, and double seal, the leakproofness of effectual improvement junction has fine dustproof and waterproof performance, increase of service life.

Further, the stand is a plurality of, a plurality of the stand is parallel arrangement, a plurality of with the spark plug body stand equidistance distributes at the hoop lower surface, uses through hoop, stand cooperation holding ring, constitutes the shield cover subassembly, has fine shielding property to improve the efficiency of igniteing.

Furthermore, the bottom of the positioning ring is connected with the opening end of the mounting seat in a plugging and pulling mode through the boss, so that the positioning ring is convenient to insert, fix and mount.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses spark plug body outside fixed connection mount pad, mount pad top can be dismantled through the bolt and connect the shield cover subassembly, and the shield cover subassembly includes hoop, stand and holding ring respectively, uses through hoop, stand cooperation holding ring, constitutes the shield cover subassembly, has fine shielding property to improve the efficiency of igniteing.

2. The utility model discloses an install first sealing washer and second sealing washer respectively at mount pad and holding ring junction, double seal, the leakproofness of effectual improvement junction has fine dustproof and waterproof performance, increase of service life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the mounting base of the present invention;

fig. 3 is a schematic structural view of the shield assembly of the present invention;

fig. 4 is a schematic structural view of the mounting base and the shielding case assembly of the present invention;

fig. 5 is a schematic structural view of a second seal ring of the present invention;

in the figure: 1. a spark plug body; 2. a corrosion-resistant coating; 3. a mounting seat; 301. a thread groove; 4. a shield can assembly; 5. a hoop; 6. a column; 7. a positioning ring; 701. a threaded hole; 702. a boss; 8. a limiting plate; 9. a first seal ring; 10. a second seal ring; 11. circular arc recess.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an efficient corrosion-resistant membrane shield cover ignites, includes spark plug body 1, 1 outside fixed connection mount pad 3 of spark plug body, 3 tops of mount pad can dismantle connection shield cover subassembly 4 through the bolt, shield cover subassembly 4 includes hoop 5, stand 6 and holding ring 7 respectively, 6 fixed connection holding ring 7 of stand are passed through to 5 bottoms of hoop, 7 bottom fixed connection bosss 702 of holding ring, 3 inner wall bottom fixed connection limiting plate 8 of mount pad, 8 upper surface bonds of limiting plate have first sealing washer 9, 3 upper surface bonds of mount pad have second sealing washer 10.

The shielding cover assembly 4 is sleeved outside the spark plug body 1, the surface of the spark plug body 1 is compounded with the corrosion-resistant coating 2, the corrosion resistance of the spark plug body 1 is effectively improved through the corrosion-resistant coating 2, and the service life is prolonged.

Threaded hole 701 has been seted up on the holding ring 7 surface, thread groove 301 has been seted up to mount pad 3 upper surface, threaded hole 701 is corresponding with thread groove 301, runs through the threaded hole 701 of holding ring 7 through bolt or retaining member, and the spiral is pegged graft inside the thread groove 301 of mount pad 3, has realized that the installation is fixed, and stability is good.

The diameter of second sealing washer 10 is greater than the diameter of first sealing washer 9, and second sealing washer 10 upper surface integrated into one piece has convex recess 11, through install first sealing washer 9 and second sealing washer 10 respectively at mount pad 3 and holding ring 7 junction, double sealing, the leakproofness of effectual improvement junction has fine dustproof and waterproof performance, increase of service life.

The stand 6 is a plurality of, a plurality of stand 6 is parallel arrangement, a plurality of with spark plug body 1 stand 6 equidistance distributes at 5 lower surfaces of ferrule, uses through ferrule 5, 6 cooperation holding rings 7 of stand, constitutes shield cover subassembly 4, has fine shielding property to improve the efficiency of igniteing.

The bottom of the positioning ring 7 is connected with the opening end of the mounting seat 3 in a plugging and pulling mode through the boss 702, so that the positioning ring is convenient to insert, fix and mount.

The utility model discloses a theory of operation: the spark plug is characterized in that the mounting seat 3 is fixedly connected to the outer portion of the spark plug body 1, the shielding cover assembly 4 is detachably connected to the upper portion of the mounting seat 3 through bolts, the bottom of the positioning ring 7 is connected with the opening end of the mounting seat 3 in a plugging mode through a boss 702, the positioning ring penetrates through a threaded hole 701 of the positioning ring 7 through a bolt or a locking piece, and is spirally plugged in a threaded groove 301 of the mounting seat 3, mounting and fixing are achieved, the first sealing ring 9 and the second sealing ring 10 are respectively mounted at the joint of the mounting seat 3 and the positioning ring 7, double sealing is achieved, sealing performance of the joint is effectively improved, good dustproof and waterproof performance is achieved, and service life is prolonged; the shielding cover assembly 4 comprises a hoop 5, a stand column 6 and a positioning ring 7 respectively, the hoop 5 and the stand column 6 are matched with the positioning ring 7 for use to form the shielding cover assembly 4, and the shielding cover assembly 4 has good shielding performance, so that the ignition efficiency is improved; the shielding cover assembly 4 is sleeved outside the spark plug body 1, the surface of the spark plug body 1 is compounded with the corrosion-resistant coating 2, the corrosion resistance of the spark plug body 1 is effectively improved through the corrosion-resistant coating 2, and the service life is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a corrosion-resistant membrane shield cover that ignition is efficient which characterized in that: including spark plug body (1), spark plug body (1) outside fixed connection mount pad (3), connection shield cover subassembly (4) can be dismantled through the bolt to mount pad (3) top, shield cover subassembly (4) include hoop (5), stand (6) and holding ring (7) respectively, stand (6) fixed connection holding ring (7) are passed through to hoop (5) bottom, holding ring (7) bottom fixed connection boss (702), mount pad (3) inner wall bottom fixed connection limiting plate (8), surface bonding has first sealing washer (9) on limiting plate (8), surface bonding has second sealing washer (10) on mount pad (3).

2. The corrosion-resistant film shield for high ignition efficiency of claim 1, wherein: the spark plug is characterized in that the shielding cover assembly (4) is sleeved outside the spark plug body (1), and the surface of the spark plug body (1) is compounded with the corrosion-resistant coating (2).

3. The corrosion-resistant film shield for high ignition efficiency of claim 1, wherein: the surface of the positioning ring (7) is provided with a threaded hole (701), the upper surface of the mounting seat (3) is provided with a thread groove (301), and the threaded hole (701) corresponds to the thread groove (301).

4. The corrosion-resistant film shield for high ignition efficiency of claim 1, wherein: the diameter of the second sealing ring (10) is larger than that of the first sealing ring (9), and a circular arc-shaped groove (11) is integrally formed in the upper surface of the second sealing ring (10).

5. The corrosion-resistant film shield for high ignition efficiency of claim 1, wherein: the stand (6) is a plurality of, a plurality of stand (6) are parallel arrangement, a plurality of with spark plug body (1) stand (6) equidistance distribution is at ferrule (5) lower surface.

6. The corrosion-resistant film shield for high ignition efficiency of claim 1, wherein: the bottom of the positioning ring (7) is connected with the opening end of the mounting seat (3) in a plugging manner through a boss (702).

Images