CN207910233U - A kind of gasoline engine spark cap connection structure - Google Patents
A kind of gasoline engine spark cap connection structure Download PDFInfo
- Publication number
- CN207910233U CN207910233U CN201820224911.6U CN201820224911U CN207910233U CN 207910233 U CN207910233 U CN 207910233U CN 201820224911 U CN201820224911 U CN 201820224911U CN 207910233 U CN207910233 U CN 207910233U
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- China
- Prior art keywords
- section
- interconnecting piece
- cap
- groove
- connection structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 14
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 7
- 239000012634 fragment Substances 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 244000141353 Prunus domestica Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Spark Plugs (AREA)
Abstract
The utility model discloses a kind of gasoline engine spark cap connection structure, including sequentially connected conductive cap, connector, damping resistance and attachment screw；Several circle grooves are offered on the outer wall of conductive cap one end, the slot bottom often enclosed at the same fragment position of groove is equipped with the perforation for extending radially through the corresponding tube wall of conductive cap, it is wound with clamp spring made of spring steel wire along its slot bottom in the groove, part of the clamp spring at perforation is located in the counterbore with being of a straight line type；Connector includes two sections of integrally formed interconnecting pieces of different sizes, angled therebetween between two sections of interconnecting pieces is obtuse angle, wherein one section of interconnecting piece end can firmly be inserted into the one end of the counterbore far from groove, the end of another section of interconnecting piece sets that there are one cylindrical blind holes, one end of the damping resistance is embedded in the blind hole, in the blind hole of another section of embedded attachment screw screw cap end.The gasoline engine spark cap connection structure is not easy to fall off convenient for assembly and disassembly, and while connecting with spark plug.
Description
Technical field
The utility model belongs to spark plug cap technical field more particularly to a kind of spark cap connection structure.
Background technology
Existing spark cap assembly is complex, needs to be pressed into again after carrying out annular knurl to the corresponding part such as attachment screw
Assembly is not easy to dismounting and safeguards, moreover, spark cap is when being inserted into spark plug, due to spark cap connect with spark plug it is insecure,
It can be easy to fall off after such insertion.
Utility model content
The purpose of this utility model is to provide a kind of gasoline engine spark cap connection structure, gasoline engine spark cap connection knots
Structure overall structure is solid and reliable, is not easy to fall off when being convenient for assembly and disassembly, and connecting with spark plug.
The technical solution of the utility model is as follows：
A kind of gasoline engine spark cap connection structure, including sequentially connected conductive cap, connector, damping resistance and connection spiral shell
Nail；
Conductive cap is the circular tube structure that pore is counterbore, offers several circle grooves on the outer wall of conductive cap one end, often encloses
Slot bottom at the same fragment position of groove is equipped with the perforation for extending radially through the corresponding tube wall of conductive cap, along its slot in the groove
Bottom is wound with clamp spring made of spring steel wire, and part of the clamp spring at perforation is with the string on the circle of conductive cap pore cross section of inboard wall
Form be of a straight line type be located at the counterbore in；
Connector includes two sections of integrally formed interconnecting pieces of different sizes, and angled therebetween between two sections of interconnecting pieces is blunt
Angle, wherein one section of interconnecting piece end can firmly be inserted into the one end of the counterbore far from groove, the end of another section of interconnecting piece is set
There are one cylindrical blind hole, one end of the damping resistance is embedded in the blind hole, another section of embedded attachment screw screw cap end
Blind hole in.
Further, the cross section of the groove is square, and the diameter of the spring steel wire is equal to the square
The length of side.
Further, wherein one section of interconnecting piece diameter is less than another section of interconnecting piece diameter and forms one in joint
Rank, the step surface are parallel with the end face of wherein one section interconnecting piece.
Further, wherein one section of a diameter of 2.6~5.6cm of interconnecting piece, another section of interconnecting piece and damping electricity
One section connected of cross section of resistance is square, and the length of side of square is 5~9cm.
Further, the counterbore includes two circular through holes of different sizes, the relatively large through-hole in two circular through holes
Positioned at one end where groove, it is interference fitted compared with small through hole and wherein one section of interconnecting piece end.
The beneficial effects of the utility model：Each parts in the utility model can be easy to disassemble, conductive cap, connection
The mode socket joint connection that interference fit joint can be used between head, damping resistance and attachment screw, can assemble and disassemble rapidly, convenient for dimension
Shield, the screw cap end of attachment screw directly plus go out corresponding cooperation blind hole, do not have to annular knurl and process, without original indentation
Assembly technology, entire connection structure simple and compact.Meanwhile the clamp spring on conductive cap can make the fire being inserted into conductive cap pore
Flower plug connector is fixed more firm, is not easy to be pulled out when in use, fall off.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is that the utility model splits schematic diagram.
Fig. 3 is the end view of conductive cap insertion end.
Fig. 4 is the partial sectional view at A-A in Fig. 3.
Fig. 5 is the utility model structure diagram equipped with resilient sleeve.
Component label instructions：Conductive cap 1, connector 2, damping resistance 3, attachment screw 4, clamp spring 5, compared with large through-hole 101, compared with
Small through hole 102, groove 103, another section of interconnecting piece 201, wherein one section of interconnecting piece 202, the portion of nut 401, clamp spring at perforation
Divide 501, perforation 1031, resilient sleeve 6.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Fig. 1-4, a kind of gasoline engine spark cap connection structure, including sequentially connected conductive cap 1, connector 2,
Damping resistance 3 and attachment screw 4.
Conductive cap 1 is the circular tube structure that pore is counterbore, and several circle grooves 103 are offered on the outer wall of 1 one end of conductive cap,
The slot bottom often enclosed at 103 same fragment position of groove is equipped with the perforation 1031 for extending radially through 1 corresponding tube wall of conductive cap, described
Clamp spring 5 made of spring steel wire are wound with along its slot bottom in groove 103, part of the clamp spring 5 at perforation 1031 is managed with conductive cap 1
The form of string on the circle of hole cross section of inboard wall is located in the counterbore with being of a straight line type, i.e., clamp spring 5 is in a full circle by one
String prunes the shape of side, and clamp spring 5 is located at the part at perforation 1031 as the string on a circle on counterbore inner wall circumference, so as to
The portion at perforation 1031 can be also located at clamp spring 5 when the spherical connecting pin of spark plug is stretched into and closed with counterbore pendant in the counterbore
Divide and squeeze contact, by the further banding of spark plug so that is while connection more fastens and easy to disassemble.And clamp spring 5 is located at
The central angle O corresponding to part to perforate at 1031 is 80 degree to 90 degree, can further optimize above-mentioned technique effect.
The connector 2 of the present embodiment includes two sections of integrally formed interconnecting pieces of different sizes, between two sections of interconnecting pieces mutually
It is obtuse angle at angle C, angle C preferentially takes 120 degree to 160, and structure is most reasonable when most preferably taking 150 degree；And described wherein one
Section 202 diameter of interconnecting piece is less than another section of 201 diameter of interconnecting piece and forms a step, the step surface and wherein one in joint
The end face of section interconnecting piece 202 is parallel, is made in order to install.Wherein one section of 202 end of interconnecting piece can be firmly inserted into described heavy
The end of the one end of hole far from groove 103, another section of interconnecting piece 201 is set there are one cylindrical blind hole, the damping resistance 3
One end is embedded in the blind hole, in the blind hole at another section of 4 nut of embedded attachment screw, 401 end.
Further, the cross section of the groove 103 is square, and the diameter of the spring steel wire is equal to the square
The length of side, so that preferably clamp spring 5 is tightly wound around in groove 103, promoted switching performance.
Further, wherein one section of 202 a diameter of 2.6~5.6cm of interconnecting piece, another section of interconnecting piece 201 with
One section connected of cross section of damping resistance 3 is square, and the length of side of square is 5~9cm.Connection under the size range
Head size for connection is more solid and reliable for existing spark cap is connect with spark plug.
Further, the counterbore includes two circular through holes of different sizes, the relatively large through-hole in two circular through holes
101 are located at one end where groove 103, are interference fitted compared with small through hole 102 and wherein one section of 202 end of interconnecting piece, this
Design is convenient for being divided to precision to process two through-holes, convenient for will wherein one section of interconnecting piece 202 be interference fitted with compared with small through hole 102, improves
Tolerance fit precision optimizes overall structure performance to improve bonding strength.Meanwhile for improving performance, in above-described embodiment
On the basis of, as shown in figure 5, one layer of elasticity of injection molding package outside conductive cap 1, connector 2, damping resistance 3, attachment screw 4
Set 6, not only bumper and absorbing shock, insulation, and several linkage elements can be further connected as one, promote reliability.It is described
One end that conductive cap 1 connects with connector 2 is in ladder shaft-like, and the smaller shaft part in two shaft parts of different sizes of multidiameter structure
Positioned at the most end of conductive cap 1, the rectangular occlusal crib in one of cross section is offered on the external cylindrical surface of the smaller shaft part
104, which makes resilient sleeve 6 with conductive cap 1 and the one occlusion groove 104 of contact position generation for connecting the connection of pullover 2,
Purpose is to promote conductive cap 1 and connect the connection snap-in force between pullover 2 and resilient sleeve 6, prevent from falling off when drawing, improve
Integrally-built reliability.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of gasoline engine spark cap connection structure, it is characterised in that：Including sequentially connected conductive cap, connector, damping electricity
Resistance and attachment screw；
Conductive cap is the circular tube structure that pore is counterbore, offers several circle grooves on the outer wall of conductive cap one end, often encloses groove
Slot bottom at same fragment position is equipped with the perforation for extending radially through the corresponding tube wall of conductive cap, is twined along its slot bottom in the groove
It is wound with clamp spring made of spring steel wire, part of the clamp spring at perforation is with the shape of the string on the circle of conductive cap pore cross section of inboard wall
Formula is located in the counterbore with being of a straight line type；
Connector includes two sections of integrally formed interconnecting pieces of different sizes, and angled therebetween between two sections of interconnecting pieces is obtuse angle,
In one section of interconnecting piece end can firmly be inserted into the one end of the counterbore far from groove, there are one the end of another section of interconnecting piece is set
One end of cylindrical blind hole, the damping resistance is embedded in the blind hole, the blind hole of another section of embedded attachment screw screw cap end
It is interior.
2. gasoline engine spark cap connection structure according to claim 1, it is characterised in that：The cross section of the groove is in pros
Shape, the diameter of the spring steel wire are equal to the length of side of the square.
3. gasoline engine spark cap connection structure according to claim 2, it is characterised in that：Wherein one section of interconnecting piece diameter
A step is formed less than another section of interconnecting piece diameter and in joint, the end face of the step surface and wherein one section interconnecting piece is flat
Row.
4. gasoline engine spark cap connection structure according to claim 3, it is characterised in that：Wherein one section of interconnecting piece diameter
For 2.6~5.6cm, one section of the cross section that another section of interconnecting piece is connected with damping resistance is square, and square
The length of side is 5~9cm.
5. gasoline engine spark cap connection structure according to claim 4, it is characterised in that：The counterbore include two sizes not
With circular through hole, the relatively large through-hole in two circular through holes is located at one end where groove, compared with small through hole and described wherein one
Section interconnecting piece end interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224911.6U CN207910233U (en) | 2018-02-08 | 2018-02-08 | A kind of gasoline engine spark cap connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820224911.6U CN207910233U (en) | 2018-02-08 | 2018-02-08 | A kind of gasoline engine spark cap connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910233U true CN207910233U (en) | 2018-09-25 |
Family
ID=63559704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820224911.6U Expired - Fee Related CN207910233U (en) | 2018-02-08 | 2018-02-08 | A kind of gasoline engine spark cap connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910233U (en) |
-
2018
- 2018-02-08 CN CN201820224911.6U patent/CN207910233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |