CN208270126U - Spark plug tooling - Google Patents
Spark plug tooling Download PDFInfo
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- CN208270126U CN208270126U CN201820851883.0U CN201820851883U CN208270126U CN 208270126 U CN208270126 U CN 208270126U CN 201820851883 U CN201820851883 U CN 201820851883U CN 208270126 U CN208270126 U CN 208270126U
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- tooling
- spark plug
- tooling ontology
- ontology
- force transmission
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Abstract
The utility model provides a kind of spark plug tooling, is related to technical field of engines, and spark plug tooling provided by the utility model includes the first tooling ontology, the second tooling ontology and force transmission element, and the first tooling ontology and the second tooling ontology are rotatablely connected；The side wall of first tooling ontology is equipped with power transmission chamber, power transmission chamber runs through the side wall of the first tooling ontology, the first end of force transmission element passes through power transmission chamber and contacts with the outer wall of the second tooling ontology, and the second end of force transmission element is located at outside power transmission chamber, and force transmission element is equipped with the graduation mark for showing torque；The side wall of second tooling ontology is equipped with push structure, and when force transmission element is rotated relative to the second tooling ontology to first direction, push structure moves force transmission element to the direction for stretching out power transmission chamber；The second end of second tooling ontology is equipped with fixation kit, and fixation kit is used to spark plug being fixed on the second tooling ontology.Spark plug tooling provided by the utility model, which alleviates piston tooling in the related technology, to be made to install technical problem complicated for operation.
Description
Technical field
The utility model relates to technical field of engines, more particularly, to a kind of spark plug tooling.
Background technique
Spark plug is commonly called as nozzles, and effect is the high voltage pulse discharge of electricity that high-voltage conducting wires are sent, two electrode of disruptive spark plug
Between air, generate the mixed gas ignited in cylinder with this of electric spark.Main Types have: pseudotype spark plug, edge body protruding type fire
Hua Sai, electrode type spark plug, seat type spark plug, polar form spark plug and face arcing type spark plug etc..The function of spark plug is will be upper
Ten thousand volts of high-voltage electricity introduces combustion chamber, and generates spark ignition gaseous mixture, makes to start with ignition system and oil supply system cooperation
Machine acting, largely codetermines the performance of engine.
Spark plug is installed on engine by spark plug tooling, to prevent torque is excessive from damaging to spark plug,
Therefore during the installation process, spark plug tooling and torque measurement are needed using torque-measuring apparatus measurement torque in installation process
Device alternately cooperates with the spark plug that need to be installed, and installs complicated for operation.
Utility model content
The purpose of this utility model is to provide a kind of spark plug toolings, make to install to alleviate piston tooling in the related technology
Technical problem complicated for operation.
Spark plug tooling provided by the utility model, including the first tooling ontology, the second tooling ontology and force transmission element, it is described
First tooling ontology is sheathed on the first end of the second tooling ontology, and is rotatablely connected with the second tooling ontology；
The side wall of the first tooling ontology is equipped with power transmission chamber, and the power transmission chamber runs through the side of the first tooling ontology
Wall, the first end of the force transmission element pass through the power transmission chamber and contact with the outer wall of the second tooling ontology, the force transmission element
Second end is located at outside the power transmission chamber, and the force transmission element is equipped with the graduation mark for showing torque；
The side wall of the second tooling ontology be equipped with push structure, the relatively described second tooling ontology of the force transmission element to
When first direction rotates, the push structure moves the force transmission element to the direction for stretching out the power transmission chamber；Second work
The second end for filling ontology is equipped with fixation kit, and the fixation kit is used to spark plug being fixed on the second tooling ontology.
Further, the push structure includes serrated slot, the extending direction of the serrated slot and the second tooling sheet
The extending direction of body is parallel, along the first direction, the axis of the side wall of the serrated slot to the second tooling ontology away from
From gradually increasing；
One end of the force transmission element and the second tooling body contacts is equipped with inclined surface, the inclined surface and the sawtooth
The snug engagement of slot.
Further, the power transmission it is intracavitary be equipped with elastic component, the elastic component respectively with the force transmission element and the power transmission
The side wall of chamber connects, when the force transmission element is rotated relative to the second tooling ontology along the first direction, the elastic component quilt
Compression.
Further, the power transmission chamber is equipped with adjusting nut, the adjusting spiral shell far from one end of the second tooling ontology
Female inner wall or outer wall thread with power transmission chamber cooperates；
One end opposite with the power transmission chamber of the adjusting nut is connect with the elastic component.
Further, one end far from the second tooling ontology of the first tooling ontology is equipped with outer-hexagonal and sinks
Slot.
Further, the first tooling ontology is connect with the second tooling ontology by connection circlip.
Further, the second end of the second tooling ontology is equipped with accommodating chamber, the extending direction of the accommodating chamber and institute
The extending direction for stating the second tooling ontology is identical；
The fixation kit is connected to the bottom wall of the accommodating chamber.
Further, the fixation kit includes fixing sleeve, and the fixing sleeve is removably connected to the bottom of the accommodating chamber
Wall, and opening direction is identical as the opening direction of the accommodating chamber；
The side wall of the fixing sleeve is equipped with limiting slot, and the direction of the limiting slot to the axis close to the fixing sleeve is recessed
It falls into.
Further, limit circlip is equipped in the limiting slot.
Further, the open end of the accommodating chamber is equipped with interior hexagonal, and the interior hexagonal is used for outer with the spark plug
Hexagonal cooperation.
When spark plug is installed, the wiring nut of spark plug is installed on fixation kit, by spark plug and spark plug tooling pair
The duct that spark plug is installed in quasi- cylinder head, spark plug tooling is put into togerther in cylinder head together with spark plug and installs spark plug
In duct, the first tooling ontology of rotation is rotated in a first direction, and the first tooling ontology drives the second tooling ontology by force transmission element
It is rotated in a first direction, the second tooling ontology drives spark plug to be rotated in a first direction, and spark plug is screwed in designated position；Rotation
In the process, force transmission element is rotated in a first direction with respect to the second tooling ontology, and push structure makes force transmission element to the side for stretching out power transmission chamber
To movement, change the length that force transmission element stretches out power transmission chamber, force transmission element is equipped with graduation mark, and force transmission element stretches out the length of power transmission chamber not
Together, corresponding torque measurement is different, and during the installation process, real-time measurement goes out torque, after reaching specific torsion, stops rotating
First tooling ontology under dismantling fixation kit from spark plug, completes the installation of spark plug；Compared with the relevant technologies, this reality
It is not necessarily to the spark plug tooling of novel offer and torque-measuring apparatus alternately cooperates with the spark plug that need to be installed, reduce answering for operation
Miscellaneous degree, meanwhile, implement measurement torque, reduce because torque is excessive spark plug is damaged the case where.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the external structure schematic diagram of spark plug tooling provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of internal structure of spark plug tooling provided by the embodiment of the utility model；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the force transmission element of spark plug tooling provided by the embodiment of the utility model and the cooperation schematic diagram of power transmission chamber；
Fig. 5 is that the cooperation of the force transmission element and the second tooling ontology of spark plug tooling provided by the embodiment of the utility model is illustrated
Figure one；
Fig. 6 is that the cooperation of the force transmission element and the second tooling ontology of spark plug tooling provided by the embodiment of the utility model is illustrated
Figure two.
Icon: 100- the first tooling ontology；110- power transmission chamber；111- adjusting nut；120- connection circlip；200-
Second tooling ontology；210- serrated slot；220- accommodating chamber；300- force transmission element；310- helical spring；311- spring base；
400- fixation kit；410- fixing sleeve；420- limits circlip.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Arrow direction in Fig. 5 is first direction, and the arrow direction in Fig. 6 is second direction.
As depicted in figs. 1 and 2, spark plug tooling provided by the embodiment of the utility model, including the first tooling ontology 100,
Second tooling ontology 200 and force transmission element 300, the first tooling ontology 100 are sheathed on the first end of the second tooling ontology 200, and with
The rotation connection of second tooling ontology 200；The side wall of first tooling ontology 100 is equipped with power transmission chamber 110, and power transmission chamber 110 is through the
The first end of the side wall of one tooling ontology 100, force transmission element 300 passes through power transmission chamber 110 and the outer wall of the second tooling ontology 200 connects
Touching, the second end of force transmission element 300 are located at outside power transmission chamber 110, and force transmission element 300 is equipped with the graduation mark for showing torque；Second work
The side wall for filling ontology 200 is equipped with push structure and pushes away when force transmission element 300 is rotated relative to the second tooling ontology 200 to first direction
Structure is sent to move force transmission element 300 to the direction for stretching out power transmission chamber 110；The second end of second tooling ontology 200 is equipped with fixed group
Part 400, fixation kit 400 are used to spark plug being fixed on the second tooling ontology 200.
As shown in Figures 2 and 3, the extending direction of power transmission chamber 110 and 100 length direction of the first tooling ontology and the second tooling
The length direction of ontology 200 is vertical, and force transmission element 300 is located in power transmission chamber 110, the length direction and power transmission chamber 110 of force transmission element 300
Extending direction it is parallel, the left end of force transmission element 300 is contacted with the push structure on the second tooling ontology 200, the right side of force transmission element 300
End is located at outside power transmission chamber 110.In installation process, the length that force transmission element 300 stretches out power transmission chamber 110 is longer, shows torsion when installation
Square is bigger；As shown in figure 4, torque when installation can be learnt according to the scale value of display, torque value when installation, side are obtained in real time
Just installation operation is carried out.
In some embodiments, push structure includes the serrate projections for being fixedly connected on 200 side wall of the second tooling ontology, saw
Tooth protrusion has confined planes and inclined surface, and confined planes are located at the first end of inclined surface, along first direction, the first end position of inclined surface
In the upstream of the second end of inclined surface, the distance of the axis of inclined surface to the second tooling ontology 200 is gradually increased；Force transmission element 300
Inclined surface and the inclined surface of serrate projections be slidably matched.When installing spark plug, the first tooling ontology 100 drives force transmission element 300
Axis around the second tooling ontology 200 rotates.
In other embodiments, push structure includes serrated slot 210, the extending direction of serrated slot 210 and the second tooling
The extending direction of ontology 200 is parallel, along first direction, the distance of the axis of the side wall of serrated slot 210 to the second tooling ontology 200
It gradually increases；One end that force transmission element 300 is contacted with the second tooling ontology 200 is equipped with inclined surface, the side of inclined surface and serrated slot 210
Wall is slidably matched.
As shown in Figure 5 and Figure 6, serrated slot 210 has confined planes and inclined surface, and confined planes are located at the first end of inclined surface,
Along first direction, the first end of inclined surface is located at the upstream of the second end of inclined surface, axis of the inclined surface to the second tooling ontology 200
The distance of line is gradually increased；The inclined surface of force transmission element 300 and the inclined surface of serrate projections are slidably matched.When spark plug is installed, such as
Shown in Fig. 5, the first tooling ontology 100 drives force transmission element 300 around the axis of the second tooling ontology 200, when being rotated in a first direction,
Force transmission element 300 pushes the second tooling ontology 200 to be rotated in a first direction by the inclined surface of serrate projections, while serrate projections
Inclined surface pushes external movement of the force transmission element 300 to power transmission chamber 110, when dismantling spark plug, as shown in fig. 6, the first tooling ontology
100 drive force transmission element 300 around the axis of the second tooling ontology 200, and when being rotated in a second direction, force transmission element 300 connects with confined planes
Touching, axis of the force transmission element 300 by confined planes around the second tooling ontology 200 are rotated in a second direction,.
Further, it is equipped with elastic component in power transmission chamber 110, the elastic component side wall with force transmission element 300 and power transmission chamber 110 respectively
Connection, when force transmission element 300 is rotated in a first direction with respect to the second tooling ontology 200, elastic component is compressed.
In some embodiments, elastic component can be rubber pad or helical spring 310 etc., and in this implementation, elastic component is spiral
Spring 310, specifically, as shown in figure 3, helical spring 310 is sheathed on force transmission element 300, the confined planes on one end and force transmission element 300
Contact, the other end are contacted with the locating part being installed on 110 side wall of power transmission chamber, and helical spring 310 is in compressive state, so as to pass
Power part 300 has the trend with limit face contact；The end face that force transmission element 300 is contacted with helical spring 310 is equipped with fixing groove, spiral
Spring 310 is located in fixing groove, prevents helical spring 310 from moving along the diametrically force transmission element 300 of helical spring 310.Power transmission
When part 300 is rotated in a first direction with respect to the second tooling ontology 200, external movement of the force transmission element 300 to power transmission chamber 110, spiral
The continuation of spring 310 is compressed, when completing installation or removal spark plug, under the action of 310 restoring force of helical spring, and force transmission element
300 with limit face contact, and the length that force transmission element 300 stretches out power transmission chamber 110 is constant.The setting of elastic component has force transmission element 300
Return back to trend in situ.
Further, power transmission chamber 110 is equipped with adjusting nut 111, adjusting nut far from one end of the second tooling ontology 200
111 cooperate with the inner wall of power transmission chamber 110 or outer wall thread；One end and elastic component opposite with power transmission chamber 110 of adjusting nut 111
Connection.
As shown in figure 3, adjusting nut 111 be fastened on power transmission chamber 110 far from the second tooling ontology 200 one end, and with
The outer wall thread of power transmission chamber 110 cooperates；111 one end of close adjusting nut of helical spring 310 is connected with spring base 311, spring
311 sliding sleeves of seat are set to force transmission element 300, and contact with adjusting nut 111, when the position of force transmission element 300 is constant, changes and adjust spiral shell
The length that force transmission element 300 stretches out power transmission chamber 110 can be changed in the length of fit of mother 111 and power transmission chamber 110.Torque measurement can be passed through
Device drives the first tooling ontology 100 to be rotated in a first direction, the torque value shown according to torque-measuring apparatus, adjusts force transmission element
300 stretch out the length of power transmission chamber 110, are corrected to spark plug tooling.
Further, one end far from the second tooling ontology 200 of the first tooling ontology 100 is equipped with outer-hexagonal and deep gouge.
The setting of outer-hexagonal and deep gouge can be such that the first tooling ontology 100 and corresponding tool cooperates, and multiple types of tools can be used to drive the
The rotation of one tooling ontology 100.
In some embodiments, the first tooling ontology 100 and the second tooling ontology 200 are rotatablely connected by bearing, another
In a little embodiments, the first tooling ontology 100 and the second tooling ontology 200 are connected by connection circlip 120, specifically, connection
Circlip 120 is in U-shape, and the side wall of the first tooling ontology 100 is equipped with the first card slot, and the second tooling ontology 200 is close to the first tooling sheet
The end of body 100 is equipped with the second card slot, and along the circumferentially extending of the second tooling ontology 200, connection circlip 120 is connected in the second card slot
In first card slot and the second card slot, the first tooling ontology 100 can drive connection circlip 120 to rotate around the axis of the second clamping groove.
First tooling ontology 100 and the second tooling ontology 200 are connected by connection circlip 120, keep the first tooling ontology 100 opposite
The rotation of second tooling ontology 200, and facilitate the connection and disassembly between the first tooling ontology 100 and the second tooling ontology 200.
Further, the second end of the second tooling ontology 200 is equipped with accommodating chamber 220, the extending direction of accommodating chamber 220 and the
The extending direction of two tooling ontologies 200 is identical；Fixation kit 400 is connected to the bottom wall of accommodating chamber 220.
Specifically, accommodating chamber 220 is open cavity, and cylindrical, fixation kit 400 is removably connected to accommodating chamber
220 bottom wall.When installing spark plug, spark plug portion is located in accommodating chamber 220, and the wiring nut of spark plug is fixed on fixation
The electrode of component 400, spark plug is located at outside accommodating chamber 220.When installing spark plug, spark plug and spark plug tooling are directed at cylinder head
Spark plug tooling is put into togerther in the duct for installing spark plug in cylinder head by the duct of upper installation spark plug together with spark plug.
Further, fixation kit 400 includes fixing sleeve 410, and fixing sleeve 410 is removably connected to the bottom of accommodating chamber 220
Wall, and opening direction is identical as the opening direction of accommodating chamber 220；The side wall of fixing sleeve 410 is equipped with limiting slot, and limiting slot is to close
The direction of the axis of fixing sleeve 410 is recessed.
Specifically, fixing sleeve 410 is installed on the bottom wall of accommodating chamber 220 by screw, it is convenient that fixing sleeve 410 is carried out more
It changes；The section of the inner and outer wall of fixing sleeve 410 is rounded, as shown in Fig. 2, extremely from one end close to 220 bottom wall of accommodating chamber
One end far from 220 bottom wall of accommodating chamber, the outer diameter and inner diameter of fixing sleeve 410 is first gradually reduced to be gradually increased again, to form limit
Position slot.When installing spark plug, the part of limiting slot and wiring nut recess cooperates, and spark plug and spark plug tooling is prevented to be detached from,
After being installed, wiring nut is isolated out of fixing sleeve 410.The setting of 410 above structure of fixing sleeve, prevents spark plug from existing
It is detached from installation process with spark plug tooling, spark plug is avoided to damage spark plug especially spark plug during installation and removal
Electrode causes spark plug can not work normally.
As shown in Fig. 2, being equipped with limit circlip 420 in limiting slot.Specifically, limit opening is rounded, limit circlip 420 blocks
It is connected in limiting slot, when fixing sleeve 410 and wiring nut cooperate, further increases the active force of butted line nut, prevent spark
Plug is detached from spark plug tooling.
Further, the open end of accommodating chamber 220 is equipped with interior hexagonal, and interior hexagonal is used to cooperate with the outer-hexagonal of spark plug.
When tightening spark plug, the interior hexagonal of accommodating chamber 220 and the outer-hexagonal of spark plug cooperate, and spark plug is screwed to designated position.
When spark plug is installed, the wiring nut of spark plug is installed on fixation kit 400, by spark plug and spark plug tooling
It is directed at the duct for installing spark plug in cylinder head, spark plug tooling is put into togerther in cylinder head together with spark plug, spark plug is installed
Duct in, the first tooling ontology 100 of rotation is rotated in a first direction, and the first tooling ontology 100 drives the by force transmission element 300
Two tooling ontologies 200 are rotated in a first direction, and the second tooling ontology 200 drives spark plug to be rotated in a first direction, by spark plug
Screw in designated position；In rotary course, force transmission element 300 is rotated in a first direction with respect to the second tooling ontology 200, and push structure makes
Force transmission element 300 is moved to the direction for stretching out power transmission chamber 110, changes the length that force transmission element 300 stretches out power transmission chamber 110, force transmission element 300
It is equipped with graduation mark, the length that force transmission element 300 stretches out power transmission chamber 110 is different, and corresponding torque measurement is different, in installation process
In, real-time measurement goes out torque, and after reaching specific torsion, stop rotating the first tooling ontology 100, by fixation kit 400 from fire
Under flower is dismantled beyond the Great Wall, the installation of spark plug is completed；Compared with the relevant technologies, spark plug tooling provided by the embodiment of the utility model
Without alternately cooperating with the spark plug that need to install with torque-measuring apparatus, the complexity of operation is reduced, meanwhile, implement measurement and turns round
Square, reduce because torque is excessive spark plug is damaged the case where.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of spark plug tooling characterized by comprising the first tooling ontology, the second tooling ontology and force transmission element, described
One tooling ontology is sheathed on the first end of the second tooling ontology, and is rotatablely connected with the second tooling ontology；
The side wall of the first tooling ontology is equipped with power transmission chamber, and the power transmission chamber runs through the side wall of the first tooling ontology,
The first end of the force transmission element passes through the power transmission chamber and contacts with the outer wall of the second tooling ontology, and the second of the force transmission element
End is located at outside the power transmission chamber, and the force transmission element is equipped with the graduation mark for showing torque；
The side wall of the second tooling ontology is equipped with push structure, and the relatively described second tooling ontology of the force transmission element is to first
When direction rotates, the push structure moves the force transmission element to the direction for stretching out the power transmission chamber；The second tooling sheet
The second end of body is equipped with fixation kit, and the fixation kit is used to spark plug being fixed on the second tooling ontology.
2. spark plug tooling according to claim 1, which is characterized in that the push structure includes serrated slot, the saw
The extending direction of tooth socket is parallel with the extending direction of the second tooling ontology, along the first direction, the side of the serrated slot
The distance of axis of wall to the second tooling ontology gradually increases；
One end of the force transmission element and the second tooling body contacts is equipped with inclined surface, the inclined surface and the serrated slot
Snug engagement.
3. spark plug tooling according to claim 1, which is characterized in that the power transmission is intracavitary to be equipped with elastic component, the bullet
Property part is connect with the side wall of the force transmission element and the power transmission chamber respectively, and the relatively described second tooling ontology of the force transmission element is along institute
When stating first direction rotation, the elastic component is compressed.
4. spark plug tooling according to claim 3, which is characterized in that the power transmission chamber is far from the second tooling ontology
One end be equipped with adjusting nut, the inner wall or outer wall thread of the adjusting nut and power transmission chamber cooperate；
One end opposite with the power transmission chamber of the adjusting nut is connect with the elastic component.
5. spark plug tooling according to claim 1, which is characterized in that separate described the second of the first tooling ontology
One end of tooling ontology is equipped with outer-hexagonal and deep gouge.
6. spark plug tooling according to claim 1, which is characterized in that the first tooling ontology and second tooling
Ontology is connected by connection circlip.
7. spark plug tooling according to claim 1, which is characterized in that the second end of the second tooling ontology, which is equipped with, to be held
Receive chamber, the extending direction of the accommodating chamber is identical as the extending direction of the second tooling ontology；
The fixation kit is connected to the bottom wall of the accommodating chamber.
8. spark plug tooling according to claim 7, which is characterized in that the fixation kit includes fixing sleeve, described solid
Fixed set is removably connected to the bottom wall of the accommodating chamber, and opening direction is identical as the opening direction of the accommodating chamber；
The side wall of the fixing sleeve is equipped with limiting slot, and the limiting slot is recessed to the direction of the axis close to the fixing sleeve.
9. spark plug tooling according to claim 8, which is characterized in that be equipped with limit circlip in the limiting slot.
10. spark plug tooling according to claim 7, which is characterized in that the open end of the accommodating chamber is equipped with interior hexagonal,
The interior hexagonal is used to cooperate with the outer-hexagonal of the spark plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851883.0U CN208270126U (en) | 2018-05-31 | 2018-05-31 | Spark plug tooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851883.0U CN208270126U (en) | 2018-05-31 | 2018-05-31 | Spark plug tooling |
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| CN208270126U true CN208270126U (en) | 2018-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548626A (en) * | 2018-05-31 | 2018-09-18 | 湖南省力宇燃气动力有限公司 | Spark plug tooling |
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2018
- 2018-05-31 CN CN201820851883.0U patent/CN208270126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548626A (en) * | 2018-05-31 | 2018-09-18 | 湖南省力宇燃气动力有限公司 | Spark plug tooling |
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