CN111785494A

CN111785494A - Rubber sleeve assembly of ignition coil, assembling and testing process and tool

Info

Publication number: CN111785494A
Application number: CN201910266353.9A
Authority: CN
Inventors: 刘舟翔; 周振辉
Original assignee: Ruian V Bright Auto Fittings Co ltd
Current assignee: Ruian V Bright Auto Fittings Co ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-10-16
Anticipated expiration: 2039-04-03
Also published as: CN111785494B

Abstract

The invention discloses a rubber sleeve assembly of an ignition coil, the ignition coil, an assembly test process and a tool, which belong to the field of the ignition coil, and comprise an insulating shell, wherein a supporting block is fixedly adhered to the inner bottom surface of the insulating shell, an insulating cover plate is fixedly arranged on the upper surface of the insulating shell, a threading pipe is arranged in the middle of the upper surface of the insulating cover plate, adjusting threaded rods are rotatably connected to two sides of the lower surface of the insulating cover plate, an adjusting plate is slidably connected to the lower end of the outer surface of the adjusting threaded rod, adjusting nuts are fixedly connected to two sides of the lower surface of the adjusting plate, the inner side surface of each adjusting nut is in threaded connection with the outer surface of each adjusting threaded rod, a positioning seat is arranged in the middle of the upper surface of each adjusting plate, and the inner side surface of, and meanwhile, the convenience and the safety of the test are ensured.

Description

Rubber sleeve assembly of ignition coil, assembling and testing process and tool

Technical Field

The invention relates to the field of ignition coils, in particular to a rubber sleeve assembly of an ignition coil, the ignition coil, an assembly test process and a tool.

Background

Ignition coils are an important component of ignition systems of internal combustion engines in which they are used to ignite combustible (mixture) gases at predetermined points in time.

The ignition coil generally comprises a coil body and a rubber sleeve assembly, wherein the coil body is provided with a high-voltage output end, and the high-voltage output end is electrically contacted with a high-voltage contact through a contact spring in the rubber sleeve assembly.

And ignition coil's gum cover is before using, generally all need carry out insulating nature test, in order to guarantee its structural stability and equipment security, but current testing arrangement structure is too complicated, not only use cost is high, and the operation is also more troublesome, when testing to the coil gum cover assembly of different length simultaneously, can't guarantee the stability of centre gripping location, be unfavorable for stable test, receive the circuit influence easily and rock and drop, it is exactly current coil gum cover assembly structure to have again, can't guarantee gum cover and inside bushing's stability, and inside spring is as time-consuming, fix a position through interference fit more, just so inconvenient erection joint, also be favorable to dismantling during the maintenance, the result of use is unsatisfactory.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a rubber sleeve assembly of an ignition coil, the ignition coil, an assembly test process and a tool, wherein the insulation rubber sleeve assembly is convenient to clamp and position by installing a cover plate and a regulating plate structure in threaded connection in an insulation shell, the insulation rubber sleeve assembly is suitable for different specification requirements and is beneficial to positioning, test steel balls are filled in a material disc, the conductive detection is convenient while the auxiliary positioning is realized, a ball star head and a square head are arranged at two ends of the coil rubber sleeve, the insertion positioning is convenient, the stability and the efficiency are high, and the insulation performance can be visually judged by performing connection test through an oscilloscope and a signal generator, so that the structural stability of the coil rubber sleeve assembly can be greatly improved, and the convenience and the safety of the test are ensured.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An ignition coil's gum cover assembly, ignition coil and equipment test technology, frock, includes insulating casing, the fixed adhesion of the inside bottom surface of insulating casing has the supporting shoe, insulating cover is installed to insulating casing's last fixed surface, insulating cover's upper surface intermediate position is equipped with the threading pipe, insulating cover's lower surface both sides all rotate and are connected with the adjusting screw rod, the surface lower extreme sliding connection of adjusting screw rod has the regulating plate, the surface sliding connection of regulating plate is in the inboard surface of insulating casing, the lower surface both sides fixed connection of regulating plate has adjusting nut, adjusting nut's inboard surface threaded connection is in the surface of adjusting screw rod, the upper surface intermediate position of regulating plate is equipped with the positioning seat, the inboard surface clamp connection of positioning seat has the coil gum cover, the test steel ball has been placed to the surface of coil gum cover, the test steel ball is positioned in the insulating shell.

Furthermore, adjusting threaded rod's upper surface end department is equipped with the connecting block, the fixed surface of connecting block installs insulating knob, the lower surface of insulating knob is equipped with the dog, the surface of insulating knob is equipped with anti-skidding line, and through connecting insulating knob on adjusting threaded rod, when conveniently rotating the regulation, can guarantee insulating security.

Further, insulating housing's surface upper end is equipped with the annular groove, the inside side rear end of annular groove is equipped with the internal connection hole, through set up the internal connection hole in the annular groove is inside, is convenient for fill the test steel ball to inside, and is stable high-efficient, avoids interfering.

Furthermore, the inner side surface of the annular groove is rotatably connected with a material tray through an annular hole, an open annular groove is formed in the material tray, an external connecting hole is formed in the side face of the inside of the open annular groove, the material tray is rotatably connected with the inside of the annular groove, the test steel balls can be stored, filling can be facilitated according to needs, and the stability and the high efficiency are realized.

Further, the inside upper end of coil gum cover is equipped with the annular and supports the groove, the inboard surface joint in annular support groove has the annular to support the steel wire, through the annular minister's steel wire of joint in the inside of coil gum cover, guarantees bearing structure intensity, does benefit to the sleeve pipe installation location.

Further, the inside of coil gum cover is equipped with the thickening lateral wall, the inboard fixed surface of thickening lateral wall installs the sleeve pipe, sheathed tube upper surface is equipped with spherical head, sheathed tube lower surface is equipped with square head, through setting up spherical head and square head in the sleeve pipe both sides, conveniently passes the tight connection of thickening lateral wall, simultaneously can both sides spacing, improve stability.

Further, sheathed tube inside fixed surface installs coil spring, sheathed tube surface both sides all are equipped with the screw thread through-hole, the inboard surface threaded connection of screw thread through-hole has spacing thimble, through threaded connection's spacing thimble structure, can block coil spring's both sides, and then stably fixed, avoids droing, and convenient stability need not interference fit fix a position, and is stable high-efficient.

Furthermore, the lower surface of the adjusting plate is fixedly connected with a conductive head, the lower surface of the conductive head is connected with a sensor in series through a grounding wire, the sensor is connected with an oscilloscope in series through a circuit, and the oscilloscope is connected through the grounding wire, so that the safety can be ensured, the change can be displayed by a straight pipe, the auxiliary judgment is further realized, and the stability and the high efficiency are realized.

Further, the inboard fixed surface of threading pipe is connected with the wire, the lower fixed surface of wire is connected in the inside of coil gum cover, the other end of wire has the timer through circuit series connection, the other end of timer has signal generator through circuit series connection, connects the limit number generator through the wire, and convenient circular telegram is connected, does benefit to the operation simultaneously and tests.

Further, the testing process comprises the following steps:

s1, setting insulation test time according to national standards and enterprise self-set standards;

s2, setting parameters of the signal generator according to the model specification and the use standard of the fire coil to be measured, and calibrating;

s3, connecting all the devices together with a working switch and a working power supply, and closing the switch to electrify;

s4, starting a signal generator, and generating local pulse high voltage by the work of an ignition coil;

s5, waveform output is carried out by an oscilloscope, and whether discharge pulse of an ignition coil to an outer wall steel ball occurs or not is judged according to waveform change;

and S6, if the voltage is present, the leakage is generated, if the voltage is absent, the insulation is good, the process flow is simple, the operation control is facilitated, the judgment result is clear, and the detection efficiency is high.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the regulating plate structure at insulating casing internally mounted apron and threaded connection, and the centre gripping location insulating gum cover assembly of being convenient for adapts to different specification demands, does benefit to the location, and the test steel ball is filled through the charging tray simultaneously, in the time of can assistance-localization real-time, convenient electrically conductive detection.

(2) Through connect insulating knob on adjusting threaded rod, when conveniently rotating the regulation, can guarantee insulating security.

(3) Through set up inside connecting hole in annular groove inside, be convenient for to inside packing test steel ball, it is stable high-efficient, avoid interfering.

(4) The connecting tray is rotatably arranged in the annular groove, so that the test steel balls can be stored, the filling can be conveniently carried out as required, and the stability and the high efficiency are realized.

(5) Through the annular minister steel wire of joint in coil gum cover inside, guarantee bearing structure intensity, do benefit to the sleeve pipe installation location.

(6) Through set up spherical head and square head in sleeve pipe both sides, conveniently pass thickening lateral wall and tightly connect, can both sides spacing simultaneously, improve stability.

(7) Through threaded connection's spacing thimble structure, can block coil spring's both sides, and then stably fixed avoids droing, and convenient stable need not interference fit fix a position, and is stable high-efficient.

(8) The oscilloscope is connected through the grounding wire, so that the safety can be ensured, the straight tube can display changes, the judgment is assisted, and the stability and the high efficiency are realized.

(9) Connect limit number generator through the wire, make things convenient for the circular telegram to connect, do benefit to the operation simultaneously and test.

(10) The process flow is simple, the operation control is facilitated, the judgment result is clear, and the detection efficiency is high.

Drawings

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

FIG. 2 is a partial schematic view of the adjustment plate of the present invention in connection with an adjustment threaded rod;

FIG. 3 is a schematic view of an insulating knob according to the present invention;

FIG. 4 is a schematic top view of a tray of the present invention;

FIG. 5 is a schematic view of the internal cross-section of the coil sock of the present invention;

FIG. 6 is a schematic view of the internal connection structure of the bushing of the present invention;

fig. 7 is an enlarged view of a position a of the connection of the limiting thimble according to the present invention.

The reference numbers in the figures illustrate:

1 insulating shell, 11 supporting blocks, 12 insulating cover plates, 13 threading pipes, 14 adjusting threaded rods, 15 adjusting plates, 16 adjusting nuts, 17 positioning seats, 18 coil rubber sleeves, 19 testing steel balls, 2 connecting blocks, 21 insulating knobs, 22 stoppers, 23 anti-skidding lines, 3 annular grooves, 31 internal connecting holes, 32 annular holes, 33 material trays, 34 open annular grooves, 35 external connecting holes, 4 annular supporting grooves, 41 annular supporting steel wires, 42 thickened side walls, 43 sleeves, 44 spherical heads, 45 square heads, 46 coil springs, 47 threaded through holes, 48 limiting thimbles, 5 conductive heads, 51 ground wires, 52 sensors, 53 oscilloscopes, 54 leads, 55 timers and 56 signal generators.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, a rubber sleeve assembly of an ignition coil, an assembly test process and a fixture, including an insulating housing 1, referring to fig. 1 and 2, a supporting block 11 is fixedly adhered to the inner bottom surface of the insulating housing 1, an insulating cover plate 12 is fixedly installed on the upper surface of the insulating housing 1, a threading pipe 13 is installed at the middle position of the upper surface of the insulating cover plate 12, so as to conveniently pass through a conducting wire 54 for circuit connection, adjusting threaded rods 14 are rotatably connected to both sides of the lower surface of the insulating cover plate 12, an adjusting plate 15 is slidably connected to the lower end of the outer surface of the adjusting threaded rod 14, the outer surface of the adjusting plate 15 is slidably connected to the inner side surface of the insulating housing 1, adjusting nuts 16 are fixedly connected to both sides of the lower surface of the adjusting plate 15, so that the, adjusting nut 16's inboard surface threaded connection is in adjusting threaded rod 14's surface, adjusting plate 15's upper surface intermediate position is equipped with positioning seat 17, and positioning seat 17's inboard surface clamp is connected with coil gum cover 18, and test steel ball 19 has been placed to coil gum cover 18's surface, through filling test steel ball 19, both can assistance-localization real-time, have and can increase area of contact, guarantee the safety and stability of electric leakage test, test steel ball 19 is located insulating casing 1's inside.

Referring to fig. 3, the connecting block 2 is arranged at the end of the upper surface of the adjusting threaded rod 14, the insulating knob 21 is fixedly mounted on the outer surface of the connecting block 2, the stop block 22 is arranged on the lower surface of the insulating knob 21, the anti-skid grains 23 are arranged on the outer surface of the insulating knob 21, the insulating material is made of polyurethane vinyl plastic, the structural strength is high, the insulating property is good, the adjusting threaded rod 14 is conveniently driven to rotate through the insulating knob 21, the adjustment is further facilitated, the connecting block 2 can prevent the insulating knob from being loosened, and the stability is improved.

Referring to fig. 1 and 4, an annular groove 3 is formed in the upper end of the outer surface of the insulating housing 1, an inner connecting hole 31 is formed in the rear end of the inner side surface of the annular groove 3, a material tray 33 is rotatably connected to the inner side surface of the annular groove 3 through an annular hole 32, an open ring groove 34 is formed in the material tray 33, an outer connecting hole 35 is formed in the inner side surface of the open ring groove 34, the material tray 33 is connected through the annular groove 3, the test steel balls 19 can be conveniently stored, meanwhile, the insulating housing 1 can be conveniently filled, the insulating housing is convenient and stable, and the insulating housing can be placed.

Referring to fig. 5, 6 and 7, an annular supporting groove 4 is disposed at an upper end of an inner portion of the coil rubber sleeve 18, an annular supporting steel wire 41 is fastened to an inner side surface of the annular supporting groove 4, the long and short openings can be opened, the sleeve 43 can pass through the annular supporting groove to avoid interference, a thickened side wall 42 is disposed inside the coil rubber sleeve 18, the sleeve 43 is fixedly mounted on the inner side surface of the thickened side wall 42, a spherical head 44 is disposed on an upper surface of the sleeve 43, a square head 45 is disposed on a lower surface of the sleeve 43, the spherical head 44 is easy to insert, the thickened side wall 42 is deformed to facilitate passing through, the sleeve is limited by combining the square heads 45 from two ends to avoid self-loosening and falling, stability is improved, a coil spring 46 is fixedly mounted on the inner surface of the sleeve 43, threaded through holes 47 are disposed on two sides of an outer surface of the sleeve 43, a limiting thimble 48 is threadedly connected to the, the separation is avoided, interference fit is not needed for connection, convenience and stability are achieved, and maintenance is facilitated.

Referring to fig. 1, a conductive head 5 is fixedly connected to a lower surface of an adjusting plate 15, a sensor 52 is connected in series to the lower surface of the conductive head 5 through a ground wire 51, the type of the sensor is ADF-335P, an oscilloscope 53 is connected in series to the sensor 52 through a circuit, the type of the sensor is PR100-HT-1, waveform changes can be visually displayed, a lead 54 is fixedly connected to the inner side surface of the threading pipe 13, the lower surface of the lead 54 is fixedly connected to the inside of the coil rubber sleeve 18, a timer 55 is connected in series to the other end of the lead 54 through a circuit, a signal is KT-25, a signal generator 56 is connected in series to the other end of the timer 55 through a circuit, the type of the timer is YP3LA-10P, the specific connection mode and the use principle of each:

s6, if present, indicates that leakage occurs, and if not, indicates that the insulation is good.

When the device is used, the insulating cover plate 12 can be pulled out, the coil rubber sleeve 18 can be inserted into the positioning seat 17, then the insulating cover plate 12 is closed, the coil rubber sleeve 18 can be positioned in the insulating shell 1 through the adjusting plate 15, then the test steel ball 19 can be placed into the split ring-shaped groove 34, the material tray 33 is rotated, the external connecting hole 35 is aligned with the internal connecting hole 31, the test steel ball 19 can enter the filling cavity in the insulating shell 1, then the adjusting threaded rod 14 can be driven to rotate through the insulating knob 21, the adjusting plate 15 can be driven to move upwards through the thread action of the adjusting nut 16, the coil rubber sleeve 18 is further clamped, the test steel ball 19 is driven to move upwards at the same time, the internal cavity can be filled, the stability and the efficiency are high, then the material tray 33 is rotated, the external connecting hole 35 is staggered with the internal connecting hole, the insulation effect is guaranteed, safety and stability are achieved, then the power-on test can be conducted, operation is facilitated, judgment is visual, and safety and high efficiency are achieved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an ignition coil's gum cover assembly, ignition coil and equipment test technology, frock, includes insulating casing (1), its characterized in that: the fixed adhesion of the inside bottom surface of insulating casing (1) has supporting shoe (11), the last fixed surface of insulating casing (1) installs insulating cover plate (12), the upper surface intermediate position of insulating cover plate (12) is equipped with threading pipe (13), the lower surface both sides of insulating cover plate (12) are all rotated and are connected with adjusting threaded rod (14), the surface lower extreme sliding connection of adjusting threaded rod (14) has adjusting plate (15), the surface sliding connection of adjusting plate (15) is in the inboard surface of insulating casing (1), the lower surface both sides fixed connection of adjusting plate (15) has adjusting nut (16), the inboard surface threaded connection of adjusting nut (16) is in the surface of adjusting threaded rod (14), the upper surface intermediate position of adjusting plate (15) is equipped with positioning seat (17), the inboard surface clamp of positioning seat (17) is connected with coil gum cover (18), and a test steel ball (19) is placed on the outer surface of the coil rubber sleeve (18), and the test steel ball (19) is positioned in the insulating shell (1).

2. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the upper surface end department of adjusting screw rod (14) is equipped with connecting block (2), the fixed surface of connecting block (2) installs insulating knob (21), the lower surface of insulating knob (21) is equipped with dog (22), the surface of insulating knob (21) is equipped with anti-skidding line (23).

3. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the insulation shell is characterized in that an annular groove (3) is formed in the upper end of the outer surface of the insulation shell (1), and an inner connecting hole (31) is formed in the rear end of the inner side face of the annular groove (3).

4. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 3, wherein: the inner side surface of the annular groove (3) is rotatably connected with a material tray (33) through an annular hole (32), an opening annular groove (34) is formed in the material tray (33), and an external connecting hole (35) is formed in the side face of the inside of the opening annular groove (34).

5. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the coil rubber sleeve is characterized in that an annular supporting groove (4) is formed in the upper end of the inner portion of the coil rubber sleeve (18), and an annular supporting steel wire (41) is clamped on the inner side surface of the annular supporting groove (4).

6. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the inside of coil gum cover (18) is equipped with thickening lateral wall (42), the inboard fixed surface of thickening lateral wall (42) installs sleeve pipe (43), the upper surface of sleeve pipe (43) is equipped with spherical head (44), the lower surface of sleeve pipe (43) is equipped with square head (45).

7. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 6, wherein: the inner surface of the sleeve (43) is fixedly provided with a coil spring (46), both sides of the outer surface of the sleeve (43) are provided with threaded through holes (47), and the inner side surface of each threaded through hole (47) is in threaded connection with a limiting ejector pin (48).

8. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the lower surface of the adjusting plate (15) is fixedly connected with a conductive head (5), the lower surface of the conductive head (5) is connected with a sensor (52) in series through a grounding wire (51), and the sensor (52) is connected with an oscilloscope (53) in series through a circuit.

9. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the inner side surface of the threading pipe (13) is fixedly connected with a lead (54), the lower surface of the lead (54) is fixedly connected inside the coil rubber sleeve (18), the other end of the lead (54) is connected with a timer (55) in series through a circuit, and the other end of the timer (55) is connected with a signal generator (56) in series through a circuit.

10. The rubber sleeve assembly of the ignition coil, the ignition coil and the assembly test process and the assembly tool according to claim 1, wherein: the test process comprises the following steps: