CN208534674U - The outer appearance spacer device of spark plug in a kind of engine - Google Patents
The outer appearance spacer device of spark plug in a kind of engine Download PDFInfo
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- CN208534674U CN208534674U CN201820742949.2U CN201820742949U CN208534674U CN 208534674 U CN208534674 U CN 208534674U CN 201820742949 U CN201820742949 U CN 201820742949U CN 208534674 U CN208534674 U CN 208534674U
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Abstract
The outer appearance spacer device of spark plug in a kind of engine, including outer appearance spacer and cylinder cap, the outer spacer that holds includes the top cover cylinder and bottom sleeve being vertically connected with, the bottom sleeve includes bottom outer tube wall, barrel chamber in bottom, the top cover cylinder includes pushing up upper barrel, push up lower barrel, barrel chamber in pushing up, bottom outer tube wall and the inner wall of column compartment lower in cylinder cap are interference fitted, barrel on top, push up lower barrel, it is tightly connected between bottom outer tube wall and cylinder cap by three welding bodies, welding body is in the grooves, the outer length travel for holding spacer of hangnail rib block limitation can be added, stretch metal muscle can be added and improve whole buffering effect.The design can not only keep sealing for a long time, be not easy seal failure, buffering effect is stronger, and assembly difficulty is lower, manufacture efficiency is higher, application easy to spread.
Description
Technical field
The utility model relates in a kind of spacer of spark plug in engine more particularly to a kind of engine spark plug it is outer
Hold spacer device, it is particularly applicable to keep sealing for a long time, and is not easy seal failure.
Background technique
In the prior art, the sealing means of engine cylinder cover spacer are basic are as follows: the bottom end of spacer passes through certain external force mistake
It is full of or is squeezed into cylinder head plate, is sealed between the other end and cylinder cap of spacer using upper O-ring seals.This kind of encapsulating method is being sent out
It can guarantee to seal substantially when motivation initialization, but as engine operates for a long time, by cylinder cap thermal deformation, engine
Gas in-cylinder combustion gas impacts the influence of back plate vibration and assembly technology otherness, and spacer can be close in interference/crush-zone and O shape
There is leakage failure in seal area, once failure, the normal use that will seriously affect engine even result in engine and scrap.
Application publication number is CN101886587A, and data of publication of application is that the application for a patent for invention on November 17th, 2010 discloses
A kind of spark plug sealing structure includes the spacer for separating high-voltage line and cavaera and spark plug and water jacket, in water jacket
It is each provided with O-ring seal up and down with spacer joint.Although the design is sealed by upper and lower two groups of sealing rings, it is still
It is old to have the following deficiencies:
The design relies on sealing ring and is sealed, and is easily influenced by thermal energy, hot gas or body oscillating, cannot keep for a long time close
Envelope, easy seal failure cause to leak.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that the information constitutes existing skill already known to those of ordinary skill in the art
Art.
Summary of the invention
Sealing, easy seal failure cannot be kept for a long time the purpose of the utility model is to overcome existing in the prior art
Defect and problem provide a kind of outer appearance spacer that can keep sealing, being not easy spark plug in the engine of seal failure for a long time
Device.
In order to achieve the above object, the technical solution of the utility model is: in a kind of engine the outer appearance of spark plug every
Covering device, including outer appearance spacer and cylinder cap, the outer spacer that holds includes the top cover cylinder that is vertically connected with and bottom sleeve, top cover cylinder it is straight
Diameter is greater than the diameter of bottom sleeve, and the inside of the cylinder cap offers the upper column compartment being from top to bottom sequentially arranged, cooling liquid chamber under
Column compartment, top cover cylinder are fixed on column compartment, in coolant liquid room, and bottom sleeve is fixed in lower prop room；
The bottom sleeve includes barrel chamber in bottom outer tube wall and its internal coaxial bottom opened up, and the top cover cylinder includes that top is outer
Barrel chamber in barrel and its internal coaxial top opened up, push up be located at upper prop room on outer tube wall, the indoor position of coolant liquid is respectively
Barrel is descended on barrel, top on top, and the side wall of barrel is in contact with the inner wall of upper column compartment on top, the side wall of bottom outer tube wall and lower column compartment
Inner wall is interference fitted, and upper column compartment successively communicates after barrel chamber in the interior barrel chamber in top, bottom with lower column compartment；
That closely pushes up the position of lower barrel on the top on barrel is internally provided with No.1 outside weld junctor, closely pushes up upper cylinder on cylinder cap
Wall, being internally provided in the No.1 being connected as one with No.1 outside weld junctor for position for pushing up lower barrel junction are welded
Body；Lower barrel bottom surface is closely pushed up under the top on barrel, the position of cooling liquid chamber bottom surface junction is internally provided with the weldering of two extras
Junctor, the position of closely cooling liquid chamber bottom surface is internally provided with No. two be connected as one with two extra welding bodies on cylinder cap
Interior welding body；The position of the side of nearly cylinder cap is internally provided with three extra welding bodies, nearly bottom on cylinder cap on the bottom outer tube wall
The position of outer tube wall is internally provided with welding body in No. three be connected as one with three extra welding bodies.
The position for closely pushing up lower barrel on the top on barrel, which is provided in sagging, leads to net, leads to net in No.1 outside weld junctor warp
It is connected as one with welding body in No.1.
Single outwardly open No.1 external groove is offered on the top on the side wall of barrel, is provided in the No.1 external groove
No.1 outside weld junctor, the position of its nearly bottom surface offers single outwardly open two extras groove on barrel under the top, and this No. two
Two extra welding bodies are provided in external groove, the inside at the position of the side of nearly cylinder cap offers unidirectional outer on the bottom outer tube wall
Three extra grooves of opening are provided with three extra welding bodies in the three extras groove；
It offers on the cylinder cap and is corresponded with No.1 external groove, two extra grooves, three extra grooves respectively, and be open
The No.1 inner groovy of direction face, No. two inner groovies, No. three inner groovies, and in No.1 inner groovy, No. two inner groovies, No. three indents
Welding body in one-to-one No.1, welding body in No. two, welding body in No. three are respectively arranged in slot.
The No.1 external groove, two extra grooves, three extra grooves, No.1 inner groovy, No. two inner groovies, No. three inner groovies
Shape be rectangle, arc-shaped or angular.
The side wall of barrel includes indent arc side and vertical edge, top and the No.1 external welding of the indent arc side under the top
Body is connected, and the bottom end of indent arc side is connected with the top of vertical edge, the bottom end of vertical edge and the plane perpendicular for pushing up lower barrel
It is connected as right angle platform, the bottom surface of the right angle platform is in contact with the bottom surface of cooling liquid chamber.
The hangnail rib block upwardly extended is offered on the top on the side wall of barrel, is arranged in the hangnail rib block and cylinder cap
Hangnail rib slot is engaged by clamping.
The hangnail rib block includes upper bevel edge, middle vertical edge and lower bevel edge, in the top warp of the upper bevel edge vertical edge with it is oblique
The top on side is connected, and upper bevel edge, lower bevel edge are parallel to each other, and is formed with an acute angle between upper bevel edge and the side wall for pushing up upper barrel
Hangnail angle.
More stretch metal muscle are vertically arranged in the bottom outer tube wall, all stretch metal muscle are all around bottom sleeve
Central axes are uniformly arranged.
Compared with prior art, the utility model has the following beneficial effects:
1, in a kind of engine of the utility model in the outer appearance spacer device of spark plug, the outer company held between spacer and cylinder cap
Connecing mode is welding+interference fit, wherein the position of welding includes cylinder cap and pushes up under upper barrel, top between barrel, bottom outer tube wall
Three at, the position of interference fit refers to be interference fitted between bottom outer tube wall and lower column compartment, the design of this composite joint,
With in the prior art only with interference/extruding or sealing ring compared with, advantage include: firstly, welding can enhance bonding strength,
Reliability is improved, sealing effect is stronger, and it is durable, bottom will not be impacted by cylinder cap thermal deformation, engine air in-cylinder combustion gas
The influence of panel vibration and assembly technology otherness can keep sealing effect for a long time；Secondly, welding position shares at three, position
At the outer upper, middle and lower three for holding spacer, weld strength, lift-off seal effect, it is ensured that long term seal is effective can be further enhanced；
Again, interference fit is other than enhancing sealing effect, moreover it is possible to provide certain resiliency, welding body is avoided to be damaged.Therefore,
The utility model can not only keep sealing, being not easy seal failure for a long time, and buffering effect is compared with strong, stability is preferable.
2, in a kind of engine of the utility model in the outer appearance spacer device of spark plug, each inside and outside welding body is right
An inside and outside groove is answered, welding body is located among groove, which is not only convenient for limiting the range of welding, is ensuring welding body
On the basis of connection, avoid four dissipate of solder, and convenient for shelving solder during fabrication, it is ensured that subsequent welding body it is smooth
It is formed, both ensures welding quality, also ensure that speed of welding.Therefore, not only welding effect is preferable for the utility model, but also manufactures effect
Rate is higher.
3, in a kind of engine of the utility model in the outer appearance spacer device of spark plug, the side wall for pushing up lower barrel includes indent
Arc side and vertical edge, the bottom end of indent arc side are connected with the top of vertical edge, the bottom end of vertical edge and the bottom surface for pushing up lower barrel
It vertically is connected as right angle platform, the advantages of design includes: that can not only fill firstly, side, the bottom surface of right angle platform are all plane
Timing ensures the effective position and centering between outer appearance spacer and cylinder cap, is additionally favorable for realizing the outer bottom end for holding spacer and cooling liquid chamber
Effective fitting between bottom surface；Secondly, indent arc side is arcuate structure, and is occupy between the upper barrel in top, bottom outer tube wall, can enhance
The outer buffering effect for holding spacer weakens influence of the external shock to welding body, interference fit, it is ensured that sealing effect.Therefore, this reality
It is lower with novel centering, the assembly difficulty of being not only easy to, and buffering effect is compared with strong, sealing effect is preferable.
4, it is opened up on the side wall of barrel on top in the outer appearance spacer device of spark plug in a kind of engine of the utility model
There is the hangnail rib block upwardly extended, which is engaged by clamping with the hangnail rib slot being arranged in cylinder cap, in use, hangnail
Rib block can limit the outer length travel for holding spacer, the press power to bottom outer tube wall be kept, so that bottom outer tube wall is not easy from lower column compartment
Interior abjection to maintain to be interference fitted lasting presence, and then ensures that sealing effect is permanently effective.Therefore, the utility model can increase
The validity being interference fitted by force, it is ensured that sealing effect is permanently effective.
5, longitudinally disposed in the outer tube wall of bottom in a kind of engine of the utility model in the outer appearance spacer device of spark plug
There are more stretch metal muscle, central axes of all stretch metal muscle all around bottom sleeve are uniformly arranged, which can enhance outer
Hold spacer in longitudinal integral, flexible, improve buffering effect, weakens Extraneous vibrations or impact to the shadow of welding body, interference fit
It rings, it is ensured that sealing effect is permanently effective.Therefore, not only buffering effect is stronger for the utility model, but also sealing effect is permanently effective.
6, in a kind of engine of the utility model in the outer appearance spacer device of spark plug, to push up barrel under upper barrel, top,
When being welded between bottom outer tube wall and cylinder cap, the groove for containing solder can be opened up in advance, then carry out between outer appearance spacer, cylinder cap
Assembly, the inside for then holding spacer outside carries out corresponding add to the solder in each groove by forming heating induction coil
Heat, to realize the formation of welding body, to carry out welded seal, not only welding effect is preferable, but also easy to operate, this
Outside, when promoting and applying, only it need to be very beneficial to promote and answer in existing cylinder cap, the outer processing for holding progress groove on spacer
With.Therefore, not only welding effect is compared with strong, sealing effect is preferable for the utility model, but also operation difficulty is lower, easy to spread to answer
With.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of No.1 outside weld junctor in Fig. 1.
Fig. 3 is the structural schematic diagram of right angle platform in Fig. 1.
Fig. 4 is operation chart when using forming heating induction coil in the utility model.
In figure: cylinder cap 1, upper column compartment 11, cooling liquid chamber 12, lower column compartment 13, hangnail rib slot 14, outer appearance spacer 2, top cover cylinder 3,
Barrel 34 under barrel chamber 32, the upper barrel 33 in top, top in pushing up outer tube wall 31, pushing up, in logical net 35, bottom sleeve 4, bottom outer tube wall 41, in bottom
Barrel chamber 42, No.1 outside weld junctor 5, welding body 51 in No.1, No.1 external groove 52, No.1 inner groovy 53, two extra welding bodies 6,
Welding body 61 in No. two, two extra grooves, 62, No. two inner groovies 63, welding body 71, three extras in three extra welding body 7, three
72, No. three inner groovies 73 of groove, right angle platform 8, indent arc side 81, vertical edge 82, hangnail rib block 9, upper bevel edge 91, middle vertical edge 92,
Lower bevel edge 93, hangnail angle 94, stretch metal muscle 10, forming heating induction coil 15, middle vertical part 151, upper transverse part 152, middle cross
Portion 153, inferior transverse part 154.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1 to Fig. 4, the outer appearance spacer device of spark plug in a kind of engine, including outer appearance spacer 2 and cylinder cap 1, institute
Stating outer appearance spacer 2 includes the top cover cylinder 3 and bottom sleeve 4 being vertically connected with, and the diameter of top cover cylinder 3 is greater than the diameter of bottom sleeve 4, described
It is fixed that the inside of cylinder cap 1 offers the upper column compartment 11 being from top to bottom sequentially arranged, cooling liquid chamber 12 and lower column compartment 13, top cover cylinder 3
In in upper column compartment 11, cooling liquid chamber 12, bottom sleeve 4 is fixed in lower column compartment 13；
The bottom sleeve 4 includes barrel chamber 42 in bottom outer tube wall 41 and its internal coaxial bottom opened up, and the top cover cylinder 3 wraps
Barrel chamber 32 in top outer tube wall 31 and its internal coaxial top opened up is included, pushes up and is located at upper prop room 11, cooling liquid chamber on outer tube wall 31
Position in 12 is respectively to push up upper barrel 33, push up lower barrel 34, and the side wall of barrel 33 is in contact with the inner wall of upper column compartment 11 on top,
The side wall of bottom outer tube wall 41 and the inner wall of lower column compartment 13 are interference fitted, and upper column compartment 11 is successively through in the interior barrel chamber 32 in top, bottom
It is communicated after barrel chamber 42 with lower column compartment 13；
That closely pushes up the position of lower barrel 34 on the top on barrel 33 is internally provided with No.1 outside weld junctor 5, close on cylinder cap 1
Barrel 33 on top, being internally provided with for position for pushing up lower 34 junction of barrel are connected as one with No.1 outside weld junctor 5
Welding body 51 in No.1；The position of lower 34 bottom surface of barrel, cooling 12 bottom surface junction of liquid chamber is closely pushed up under the top on barrel 34
Two extra welding bodies 6 are internally provided with, being internally provided with for position of closely cooling 12 bottom surface of liquid chamber is welded with two extras on cylinder cap 1
Welding body 61 in body 6 be connected as one No. two；The inside at the position of the side of nearly cylinder cap 1 is set on the bottom outer tube wall 41
Three extra welding bodies 7 are equipped with, being internally provided with for position of nearly bottom outer tube wall 41 is connected as with three extra welding bodies 7 on cylinder cap 1
Welding body 71 in No. three of integral structure.
The position for closely pushing up lower barrel 34 on the top on barrel 33, which is provided in sagging, leads to net 35, No.1 outside weld junctor 5
Lead to net 35 in be connected as one with welding body 51 in No.1.
Single outwardly open No.1 external groove 52 is offered on the top on the side wall of barrel 33, in the No.1 external groove 52
It is provided with No.1 outside weld junctor 5, to offer single outwardly open two extra recessed at the position of its nearly bottom surface on barrel 34 under the top
Slot 62 is provided with two extra welding bodies 6 in the two extras groove 62, the position of the side of nearly cylinder cap 1 on the bottom outer tube wall 41
Inside offer single outwardly open three extras groove 72, be provided with three extra welding bodies 7 in the three extras groove 72；
It is offered respectively on the cylinder cap 1 a pair of with No.1 external groove 52, two extra grooves 62, three extra groove 72 1
It answers, and the inner groovy 73 of inner groovy 63, three of the No.1 inner groovy of opening direction face 53, two, and in No.1 inner groovy 53, two
Welding body 61, three in welding body 51, two is respectively arranged in one-to-one No.1 in number 63, No. three inner groovies 73 of inner groovy
Welding body 71 in number.
The No.1 external groove 52, two extra grooves 62, three extra grooves 72,53, No. two inner groovies 63 of No.1 inner groovy,
The shape of No. three inner groovies 73 is rectangle, arc-shaped or angular.
The side wall of barrel 34 includes indent arc side 81 and vertical edge 82, the top and one of the indent arc side 81 under the top
Extra welding body 5 is connected, and the bottom end of indent arc side 81 is connected with the top of vertical edge 82, under the bottom end and top of vertical edge 82
The plane perpendicular of barrel 34 is connected as right angle platform 8, and the bottom surface of the right angle platform 8 is in contact with the bottom surface of cooling liquid chamber 12.
The hangnail rib block 9 upwardly extended is offered on the top on the side wall of barrel 33, in the hangnail rib block 9 and cylinder cap 1
The hangnail rib slot 14 of setting is engaged by clamping.
The hangnail rib block 9 includes upper bevel edge 91, middle vertical edge 92 and lower bevel edge 93, is erected in the top warp of the upper bevel edge 91
Side 92 is connected with the top of lower bevel edge 93, and upper bevel edge 91, lower bevel edge 93 are parallel to each other, upper bevel edge 91 and the side for pushing up upper barrel 33
The hangnail angle 94 an of acute angle is formed between wall.
More stretch metal muscle 10 are vertically arranged in the bottom outer tube wall 41, all stretch metal muscle 10 are all the bottom of around
The central axes of sleeve 4 are uniformly arranged.
The principles of the present invention are described as follows:
Sealing means used by the design are the compound seal design that welded seal is combined with interference fit, wherein
Welded seal can enhance bonding strength, improve sealing effect, extend sealing validity, while also ensuring the effective of interference fit
It plays, and is interference fitted other than playing the sealing effect of itself, moreover it is possible to which the entire outer resiliency for holding spacer of enhancing weakens outer
To impact or vibrate the influence to welding body, it is ensured that the normal performance of welding body sealing effect, the two complement each other, on the whole
Sealing effect is improved, sealing validity period is extended.
The position that barrel under closely pushing up on upper barrel is pushed up in the utility model, which is provided in sagging, leads to net, No.1 outside weld junctor
Lead to net in be connected as one with welding body in No.1, in use, in logical net at the beginning of welding, can be in external groove
Solder is fixed, avoid assembly when solder spilling, welding when with welding after, in lead to net can be as the inside of welding body
Frame promotes the mechanical strength of welding body, it is avoided to be damaged by external shock or vibration.
Embodiment 1:
Referring to Fig. 1 to Fig. 4, the outer appearance spacer device of spark plug in a kind of engine, including outer appearance spacer 2 and cylinder cap 1, institute
Stating outer appearance spacer 2 includes the top cover cylinder 3 and bottom sleeve 4 being vertically connected with, and the diameter of top cover cylinder 3 is greater than the diameter of bottom sleeve 4, described
It is fixed that the inside of cylinder cap 1 offers the upper column compartment 11 being from top to bottom sequentially arranged, cooling liquid chamber 12 and lower column compartment 13, top cover cylinder 3
In in upper column compartment 11, cooling liquid chamber 12, bottom sleeve 4 is fixed in lower column compartment 13；The bottom sleeve 4 include bottom outer tube wall 41 and its
Barrel chamber 42 in the coaxial bottom that inside opens up, the top cover cylinder 3 include in top outer tube wall 31 and its internal coaxial top opened up
Barrel chamber 32 pushes up and is located at upper prop room 11 on outer tube wall 31, the upper barrel 33 in position respectively top in cooling liquid chamber 12, pushes up lower barrel
34, the side wall of barrel 33 is in contact with the inner wall of upper column compartment 11 on top, the inner wall of the side wall of bottom outer tube wall 41 and lower column compartment 13 into
Row interference fit, and upper column compartment 11 successively communicates after barrel chamber 42 in the interior barrel chamber 32 in top, bottom with lower column compartment 13；Barrel on the top
That the position of lower barrel 34 is closely pushed up on 33 is internally provided with No.1 outside weld junctor 5, and upper barrel 33 is closely pushed up on cylinder cap 1, pushes up lower barrel
The position of 34 junctions is internally provided with welding body 51 in the No.1 being connected as one with No.1 outside weld junctor 5；It is described
It pushes up and closely pushes up lower 34 bottom surface of barrel on lower barrel 34, the position of cooling 12 bottom surface junction of liquid chamber is internally provided with the welding of two extras
Body 6, being internally provided with for the position of closely cooling 12 bottom surface of liquid chamber is connected as one with two extra welding bodies 6 on cylinder cap 1
Welding body 61 in No. two；The position of the side of nearly cylinder cap 1 is internally provided with three extra welding bodies 7 on the bottom outer tube wall 41,
Being internally provided in No. three be connected as one with three extra welding bodies 7 for the position of nearly bottom outer tube wall 41 is welded on cylinder cap 1
Junctor 71.It is preferred that the position for pushing up the closely lower barrel 34 in top on upper barrel 33 is provided in sagging and leads to net 35, No.1 outside weld junctor 5 is passed through
In lead to net 35 be connected as one with welding body 51 in No.1.
The manufacturing method of the outer appearance spacer device of spark plug in a kind of above-mentioned engine, the manufacturing method includes following step
It is rapid: first to fill in outer appearance spacer 2 into cylinder cap 1 along upper column compartment 11 to the direction of lower column compartment 13, until the side wall of bottom outer tube wall 41
Until filling in lower column compartment 13, at this point, be interference fit between bottom outer tube wall 41, lower column compartment 13, meanwhile, barrel 33, top on top
Lower barrel 34 is located at column compartment 11, cools down in liquid chamber 12, and the bottom surface for pushing up lower barrel 34 connects with the bottom surface of cooling liquid chamber 12
Touching then carries out welding at three, the outer appearance spacer device of spark plug in the engine can be obtained after welding；At described three
Welding refers to: is welded between upper barrel 33, cylinder cap 1 to pushing up to obtain into a single integrated structure No.1 outside weld junctor 5, in No.1
Welding body 51 is welded under pushing up between barrel 34, cylinder cap 1 to obtain in into a single integrated structure two extra welding body 6, two
Welding body 61 is obtained to being welded between bottom outer tube wall 41, cylinder cap 1 in into a single integrated structure three extra welding body 7, three
Welding body 71.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
Single outwardly open No.1 external groove 52 is offered on the top on the side wall of barrel 33, in the No.1 external groove 52
It is provided with No.1 outside weld junctor 5, to offer single outwardly open two extra recessed at the position of its nearly bottom surface on barrel 34 under the top
Slot 62 is provided with two extra welding bodies 6 in the two extras groove 62, the position of the side of nearly cylinder cap 1 on the bottom outer tube wall 41
Inside offer single outwardly open three extras groove 72, be provided with three extra welding bodies 7 in the three extras groove 72；It is described
It offers on cylinder cap 1 and is corresponded with No.1 external groove 52, two extra grooves 62, three extra grooves 72 respectively, and opening direction
The inner groovy 73 of inner groovy 63, three of No.1 inner groovy 53, two of face, and in 53, No. two inner groovies 63, three of No.1 inner groovy
Welding body 61, three in welding body 71 is respectively arranged in one-to-one No.1 in welding body 51, two in number inner groovy 73.
It is preferred that No.1 external groove 52, two extra grooves 62, three extra grooves 72, the indent of inner groovy 63, three of No.1 inner groovy 53, two
The shape of slot 73 is rectangle, arc-shaped or angular.
Before outer appearance spacer 2 is filled in into cylinder cap 1, first on top barrel 33, push up lower barrel 34, on bottom outer tube wall 41
No.1 external groove 52, two extra grooves 62, three extra grooves 72 are opened up respectively, then are opened up respectively on cylinder cap 1 recessed with an extra
Slot 52, two extra grooves 62, three extra grooves, 72 inner groovy 73 of inner groovy 63, three of corresponding No.1 inner groovy 53, two,
Then in No.1 external groove 52, two extra grooves 62, three extra grooves 72, the inner groovy 63, three of No.1 inner groovy 53, two
It is all placed with solder in groove 73, then again fills in outer appearance spacer 2 into cylinder cap 1；Welding refers at described three: first will forming
Heating induction coil 15 is put into outer appearance spacer 2, and forming heating induction coil 15 includes middle vertical part 151 and perpendicular connection
Upper transverse part 152, middle transverse part 153, inferior transverse part 154 are put into when finishing, upper transverse part 152 and No.1 external groove 52, No.1 inner groovy 53
Face is arranged in the horizontal direction, and 62, No. two inner groovies 63 of middle transverse part 153 and two extra grooves are arranged in vertical direction face, under
Face is arranged 72, No. three inner groovies 73 of transverse part 154 and three extra grooves in the horizontal direction, then, by forming heating induction coil
15 pairs of solders heat, and after solder fusing and full of the groove where solder, stop heating, then cool down, after cooling
Solder be respectively formed as into a single integrated structure No.1 outside weld junctor 5, welding body 51 in No.1, into a single integrated structure two extras weldering
Welding body 71 in welding body 61 and into a single integrated structure three extra welding body 7, three in junctor 6, two.
Embodiment 3:
Basic content with embodiment 1, the difference is that:
The side wall of barrel 34 includes indent arc side 81 and vertical edge 82, the top and one of the indent arc side 81 under the top
Extra welding body 5 is connected, and the bottom end of indent arc side 81 is connected with the top of vertical edge 82, under the bottom end and top of vertical edge 82
The plane perpendicular of barrel 34 is connected as right angle platform 8, and the bottom surface of the right angle platform 8 is in contact with the bottom surface of cooling liquid chamber 12.
Embodiment 4:
Basic content with embodiment 1, the difference is that:
The hangnail rib block 9 upwardly extended is offered on the top on the side wall of barrel 33, in the hangnail rib block 9 and cylinder cap 1
The hangnail rib slot 14 of setting is engaged by clamping.The hangnail rib block 9 includes upper bevel edge 91, middle vertical edge 92 and lower bevel edge 93, institute
Vertical edge 92 in the top warp of bevel edge 91 to be stated to be connected with the top of lower bevel edge 93, upper bevel edge 91, lower bevel edge 93 are parallel to each other, on
The hangnail angle 94 an of acute angle is formed between bevel edge 91 and the side wall for pushing up upper barrel 33.
Claims (8)
1. the outer appearance spacer device of spark plug in a kind of engine, including outer appearance spacer (2) and cylinder cap (1), the outer appearance spacer
It (2) include the top cover cylinder (3) being vertically connected with and bottom sleeve (4), the diameter of top cover cylinder (3) is greater than the diameter of bottom sleeve (4), described
The inside of cylinder cap (1) offers the upper column compartment (11) being from top to bottom sequentially arranged, cooling liquid chamber (12) and lower column compartment (13), top cover
Cylinder (3) is fixed on column compartment (11), cools down in liquid chamber (12), and bottom sleeve (4) is fixed in lower column compartment (13), it is characterised in that:
The bottom sleeve (4) includes barrel chamber (42) in bottom outer tube wall (41) and its internal coaxial bottom opened up, the top cover cylinder
(3) include barrel chamber (32) in top outer tube wall (31) and its internal coaxial top opened up, be located at upper prop room on top outer tube wall (31)
(11), the position in cooling liquid chamber (12) is respectively to push up upper barrel (33), push up lower barrel (34), on top the side wall of barrel (33) and
The inner wall of upper column compartment (11) is in contact, and the side wall of bottom outer tube wall (41) and the inner wall of lower column compartment (13) are interference fitted, and on
Column compartment (11) successively communicates after barrel chamber (42) in the interior barrel chamber (32) in top, bottom with lower column compartment (13)；
That closely pushes up the position of lower barrel (34) on the top on barrel (33) is internally provided with No.1 outside weld junctor (5), cylinder cap (1)
Upper nearly being internally provided with for position pushed up upper barrel (33), push up lower barrel (34) junction is connected as with No.1 outside weld junctor (5)
Welding body (51) in the No.1 of integral structure；Lower barrel (34) bottom surface, cooling liquid chamber (12) are closely pushed up under the top on barrel (34)
The position of bottom surface junction is internally provided with two extra welding bodies (6), the position of closely cooling liquid chamber (12) bottom surface on cylinder cap (1)
Be internally provided with welding body (61) in No. two be connected as one with two extra welding bodies (6)；The bottom outer tube wall
(41) position of the side of nearly cylinder cap (1) is internally provided with three extra welding bodies (7) on, nearly bottom outer tube wall on cylinder cap (1)
(41) position is internally provided with welding body (71) in No. three be connected as one with three extra welding bodies (7).
2. the outer appearance spacer device of spark plug in a kind of engine according to claim 1, it is characterised in that: on the top
The position that lower barrel (34) are closely pushed up on barrel (33), which is provided in sagging, leads to net (35), leads to net in No.1 outside weld junctor (5) warp
(35) it is connected as one with welding body in No.1 (51).
3. the outer appearance spacer device of spark plug in a kind of engine according to claim 1 or 2, it is characterised in that:
Single outwardly open No.1 external groove (52), the No.1 external groove (52) are offered on the top on the side wall of barrel (33)
It is inside provided with No.1 outside weld junctor (5), the position of its nearly bottom surface offers single outwardly open two on barrel (34) under the top
Extra groove (62), the two extras groove (62) is interior to be provided with two extra welding bodies (6), nearly cylinder cap on the bottom outer tube wall (41)
(1) inside at the position of side offers single outwardly open three extras groove (72), setting in the three extras groove (72)
There are three extra welding bodies (7)；
It is offered respectively on the cylinder cap (1) with No.1 external groove (52), two extra grooves (62), three extra grooves (72) one by one
It is corresponding, and the No.1 inner groovy (53) of opening direction face, No. two inner groovies (63), No. three inner groovies (73), and in No.1
Groove (53), No. two inner groovies (63), be respectively arranged in No. three inner groovies (73) welding body (51) in one-to-one No.1,
Welding body (61) in No. two, welding body (71) in No. three.
4. the outer appearance spacer device of spark plug in a kind of engine according to claim 3, it is characterised in that: the No.1
External groove (52), two extra grooves (62), three extra grooves (72), No.1 inner groovy (53), No. two inner groovies (63), in No. three
The shape of groove (73) is rectangle, arc-shaped or angular.
5. the outer appearance spacer device of spark plug in a kind of engine according to claim 1 or 2, it is characterised in that: described
The side wall for pushing up lower barrel (34) includes indent arc side (81) and vertical edge (82), top and the extra of the indent arc side (81)
Welding body (5) is connected, and the bottom end of indent arc side (81) is connected with the top of vertical edge (82), the bottom end of vertical edge (82) with
The plane perpendicular for pushing up lower barrel (34) is connected as right angle platform (8), the bottom surface phase of the bottom surface of the right angle platform (8) and cooling liquid chamber (12)
Contact.
6. the outer appearance spacer device of spark plug in a kind of engine according to claim 1 or 2, it is characterised in that: described
The hangnail rib block (9) upwardly extended is offered on top on the side wall of barrel (33), setting in the hangnail rib block (9) and cylinder cap (1)
Hangnail rib slot (14) be engaged by clamping.
7. the outer appearance spacer device of spark plug in a kind of engine according to claim 6, it is characterised in that: the hangnail
Rib block (9) includes upper bevel edge (91), middle vertical edge (92) and lower bevel edge (93), vertical edge (92) in the top warp of the upper bevel edge (91)
It is connected with the top of lower bevel edge (93), upper bevel edge (91), lower bevel edge (93) are parallel to each other, the upper barrel of upper bevel edge (91) and top
(33) the hangnail angle (94) an of acute angle is formed between side wall.
8. the outer appearance spacer device of spark plug in a kind of engine according to claim 1 or 2, it is characterised in that: described
More stretch metal muscle (10) are vertically arranged in bottom outer tube wall (41), all stretch metal muscle (10) are all around bottom sleeve
(4) central axes are uniformly arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820742949.2U CN208534674U (en) | 2018-05-18 | 2018-05-18 | The outer appearance spacer device of spark plug in a kind of engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820742949.2U CN208534674U (en) | 2018-05-18 | 2018-05-18 | The outer appearance spacer device of spark plug in a kind of engine |
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| CN208534674U true CN208534674U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757267A (en) * | 2018-05-18 | 2018-11-06 | 东风商用车有限公司 | The outer appearance spacer device and its manufacturing method of spark plug in a kind of engine |
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2018
- 2018-05-18 CN CN201820742949.2U patent/CN208534674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757267A (en) * | 2018-05-18 | 2018-11-06 | 东风商用车有限公司 | The outer appearance spacer device and its manufacturing method of spark plug in a kind of engine |
| CN108757267B (en) * | 2018-05-18 | 2023-10-24 | 东风商用车有限公司 | Outer spacer device of spark plug in engine and manufacturing method thereof |
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