CN209001342U - A kind of engine spark plug cap tooling - Google Patents

Abstract

The utility model relates to spark plug accessory technical fields, and disclose a kind of engine spark plug cap tooling, including insulation crust, the inside of the insulation crust offers gas-tight silo, outer storehouse and Lower Hold, for the outer position in storehouse in the left side of gas-tight silo, the Lower Hold is located at the bottom on the right side of gas-tight silo, is fixedly installed with conductive cap at the top of the Lower Hold inner cavity, the inside of gas-tight silo is extended at the top of the conductive cap, the top of the conductive cap right side is fixedly installed with power spring.The engine spark plug cap tooling, it is connected to by setting exhaust pipe with gas-tight silo, when so that causing air pressure increased because of high temperature inside gas-tight silo, sliding plunger is moved to the left, to increase the volume of sealed environment, then the pressure for reducing sealed environment avoids sliding block and moves to right the problem for pushing power spring compression and causing power spring elasticity impaired, greatly ensure that the service life of power spring.

Description

A kind of engine spark plug cap tooling

Technical field

The utility model relates to spark plug accessory technical field, specially a kind of engine spark plug cap tooling.

Background technique

Component of the spark plug cap as connection high-voltage line and spark plug, mainly plays two: first is that protection spark plug, by There is the resistance of a 5K or 10K in general spark plug cap, this resistance can weaken ablation of the electric spark to electrode, to protect Spark plug is protected, is prolonged its service life, second is that igniting high-voltage electricity is passed to spark plug.

Current fiery spark plug cap is internally provided with power spring, sliding block, due to generating high pressure after resistance conductive, due to fire It is in sealing state inside flower cock cap, therefore hyperbar always exists, and causes slipper push power spring to be compressed, due to heat Continue to increase, go down for a long time, will lead to the coefficient of elasticity decline of power spring, to reduce the service life of spring, very To damage spark plug cap.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of engine spark plug cap tooling, has balance fire Flower cock cap air pressure inside and the advantages of guarantee power spring service life, solves current fiery spark plug cap and is internally provided with and lead Electrical spring, sliding block, due to generating high pressure after resistance conductive, due to being in sealing state, hyperbar one inside spark plug cap It is straight to exist, cause slipper push power spring to be compressed, since heat continues to increase, goes down for a long time, will lead to power spring Coefficient of elasticity decline, to reduce the service life of spring, or even the problem of damage spark plug cap.

The utility model provides the following technical solutions: a kind of engine spark plug cap tooling, including insulation crust, described exhausted The inside of edge shell offers gas-tight silo, outer storehouse and Lower Hold, and the outer position in storehouse is located at sealing in the left side of gas-tight silo, the Lower Hold Bottom on the right side of storehouse is fixedly installed with conductive cap at the top of the Lower Hold inner cavity, extends to gas-tight silo at the top of the conductive cap Inside, the top of the conductive cap right side is fixedly installed with power spring, the other end transmission connection of the power spring There is sliding block, the left side of the sliding block is fixedly installed with damping resistance, and the other end of the damping resistance extends to the interior of outer storehouse Portion is fixedly installed with high-voltage line fixing screws, and the fixation of the two sides up and down of the gas-tight silo is communicated with inside insulation crust Exhaust pipe, the fixed pressure release storehouse being communicated with inside insulation crust in the top of the exhaust pipe, the top in the pressure release storehouse Portion is connected to by ventilation pipe with the external fixation of insulation crust, and the internal activity in the pressure release storehouse is equipped with sliding plunger, institute The right side for stating sliding plunger is sequentially connected by returning spring and the inner wall in pressure release storehouse.

Optionally, the exhaust pipe is located at the right end in pressure release orlop face, the left end in pressure release silo roof face and snorkel The fixed connection in the bottom end in road.

Optionally, the exhaust pipe is identical with the cross-sectional area in pressure release storehouse, the exhaust pipe and pressure release storehouse it is transversal The cross-sectional area in face and respectively less than sliding plunger.

Optionally, the external fixing sleeve of the high-voltage line fixing screws be equipped with washer, the washer be located at gas-tight silo and outside The junction in storehouse.

Optionally, sealing space is formed between the right side of the sliding plunger and the left side of sliding block.

Optionally, the coefficient of elasticity of the returning spring is less than the coefficient of elasticity of power spring.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

1, the engine spark plug cap tooling be connected to by setting exhaust pipe with gas-tight silo so that gas-tight silo inside because When high temperature causes air pressure increased, sliding plunger is moved to the left, to increase the volume of sealed environment, then reduces sealing ring The pressure in border avoids sliding block and moves to right the problem for pushing power spring compression and causing power spring elasticity impaired, greatly protects The service life of power spring is demonstrate,proved.

2, the engine spark plug cap tooling, the elasticity that the coefficient of elasticity by the way that returning spring is arranged is less than power spring are Number allows returning spring to pull sliding plunger to restore after air pressure reply, so that damping resistance temperature declines, in gas-tight silo Regional balance is understood in portion's air pressure again, slows down the amplitude of power spring reciprocating motion, and greatly ensure that power spring uses the longevity Life.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is structure enlargement diagram at the utility model A.

In figure: 1, insulation crust；2, gas-tight silo；3, outer storehouse；4, Lower Hold；5, conductive cap；6, power spring；7, sliding block；8, Damping resistance；9, high-voltage line fixing screws；10, washer；11, ventilation pipe；12, exhaust pipe；13, pressure release storehouse；14, bullet is replied Spring；15, sliding plunger.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of engine spark plug cap tooling referring to FIG. 1-2, including insulation crust 1, the inside of insulation crust 1 open up There are gas-tight silo 2, outer storehouse 3 and Lower Hold 4, outer storehouse 3 is located at the left side of gas-tight silo 2, and Lower Hold 4 is located at the bottom on 2 right side of gas-tight silo, Lower Hold Conductive cap 5 is fixedly installed at the top of 4 inner cavities, the top of conductive cap 5 extends to the inside of gas-tight silo 2,5 right side of conductive cap Top is fixedly installed with power spring 6, and the other end of power spring 6 is sequentially connected with sliding block 7, the fixed peace in the left side of sliding block 7 Equipped with damping resistance 8, the inside that the other end of damping resistance 8 extends to outer storehouse 3 is fixedly installed with high-voltage line fixing screws 9, high The external fixing sleeve of crimping fixing screws 9 is equipped with washer 10, and washer 10 is located at the junction of gas-tight silo 2 and outer storehouse 3, gas-tight silo 2 The fixed exhaust pipe 12 being communicated with inside insulation crust 1 in two sides up and down, the cross of exhaust pipe 12 and pressure release storehouse 13 Sectional area is identical, the cross-sectional area of the cross section in exhaust pipe 12 and pressure release storehouse 13 and respectively less than sliding plunger 15, exhaust pipe 12 are located at the right end of 13 bottom surface of pressure release storehouse, and the left end of 13 top surface of pressure release storehouse is connected to the fixation of the bottom end of ventilation pipe 11, exhaust pipe The fixed pressure release storehouse 13 being communicated with inside insulation crust 1 in the top in road 12, the top in pressure release storehouse 13 pass through ventilation pipe 11 It is connected to the external fixation of insulation crust 1, the internal activity in pressure release storehouse 13 is equipped with sliding plunger 15, the right side of sliding plunger 15 Sealing space is formed between face and the left side of sliding block 7, the coefficient of elasticity of returning spring 14 is less than the elasticity system of power spring 6 The right side of number, sliding plunger 15 is sequentially connected by returning spring 14 and the inner wall in pressure release storehouse 13.

In use, the device is mounted between high-voltage line and spark plug first, damping resistance 8 is sent out in engine start Heat out increases so as to cause the air pressure between sliding block 7 and washer 10, and air pressure is entered in pressure release storehouse 13 by exhaust pipe 12, To push sliding plunger 15 to be moved to the left, to increase the volume of sealed environment, the pressure of sealed environment is then reduced, when When engine stop starts, the temperature decline of damping resistance 8, meeting region is steady again for 2 air pressure inside of gas-tight silo, so that returning spring 14 can pull sliding plunger 15 to restore after air pressure reply.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of engine spark plug cap tooling, including insulation crust (1), it is characterised in that: the inside of the insulation crust (1) Gas-tight silo (2), outer storehouse (3) and Lower Hold (4) are offered, the outer storehouse (3) is located at the left side of gas-tight silo (2), Lower Hold (4) position Bottom on the right side of gas-tight silo (2) is fixedly installed with conductive cap (5) at the top of Lower Hold (4) inner cavity, the conductive cap (5) Top extend to the inside of gas-tight silo (2), the top of conductive cap (5) right side is fixedly installed with power spring (6), institute The other end for stating power spring (6) is sequentially connected with sliding block (7), and the left side of the sliding block (7) is fixedly installed with damping resistance (8), the inside that the other end of the damping resistance (8) extends to Wai Cang (3) is fixedly installed with high-voltage line fixing screws (9), institute The two sides up and down for stating gas-tight silo (2), which are fixed, is communicated with the exhaust pipe (12) internal positioned at insulation crust (1), the exhaust pipe The top in road (12) is fixed to be communicated with the pressure release storehouse (13) internal positioned at insulation crust (1), and the top of the pressure release storehouse (13) is logical It crosses ventilation pipe (11) to be connected to the external fixation of insulation crust (1), the internal activity of the pressure release storehouse (13) is equipped with sliding The right side of piston (15), the sliding plunger (15) is sequentially connected by the inner wall of returning spring (14) and pressure release storehouse (13).

2. a kind of engine spark plug cap tooling according to claim 1, it is characterised in that: exhaust pipe (12) position The left end of right end in pressure release storehouse (13) bottom surface, pressure release storehouse (13) top surface is connected to the fixation of the bottom end of ventilation pipe (11).

3. a kind of engine spark plug cap tooling according to claim 1, it is characterised in that: the exhaust pipe (12) and The cross-sectional area in pressure release storehouse (13) is identical, the cross section of the exhaust pipe (12) and pressure release storehouse (13) and respectively less than sliding plunger (15) cross-sectional area.

4. a kind of engine spark plug cap tooling according to claim 1, it is characterised in that: the high-voltage line fixing screws (9) external fixing sleeve is equipped with washer (10), and the washer (10) is located at the junction of gas-tight silo (2) and outer storehouse (3).

5. a kind of engine spark plug cap tooling according to claim 1, it is characterised in that: the sliding plunger (15) Sealing space is formed between right side and the left side of sliding block (7).

6. a kind of engine spark plug cap tooling according to claim 1, it is characterised in that: the returning spring (14) Coefficient of elasticity is less than the coefficient of elasticity of power spring (6).