CN207423145U - Spark plug detects corrective component - Google Patents

Abstract

Spark plug detects corrective component, belongs to spark plug detection technique field.Spark plug detection corrective component includes：First test section, the first test section are provided with the first clamping part, and the first clamping part is rotatably coupled with the first test section, and the first clamping part has the threaded portion with the installation thread fitting of spark plug.Drive component is sequentially connected with the first test section, is engaged for the first clamping part to be driven to move to test position from predeterminated position with installation screw thread.Detection components are moved to the displacement of test position from predeterminated position for the first clamping part of detection and judge spark plug effective diameter eligible state.It detects the displacement of the first clamping part and judges spark plug effective diameter eligible state.Thread measurement step is simple, efficient, and trace is beaten in threaded portion rotatably arranged with that can be used for correction installation the small of ridge, it is advantageously ensured that the safe high quality of production of spark plug.

Description

Spark plug detects corrective component

Technical field

The utility model is related to spark plug detection technique fields, and corrective component is detected in particular to a kind of spark plug.

Background technology

Engine is the heart of locomotive, and the pace-making part of entire heart is exactly the spark plug of locomotive, is to ensure that engine The premise of on-road efficiency and quality and basis.One of important structure of spark plug is exactly its installation screw thread, is mounted on internal combustion The top of machine combustion chamber, sealing cylinder spark-plug hole, to maintain the pressure in cylinder, however the operating pressure in cylinder combustion room More than about 45 times of atmospheric pressures, spark plug also simultaneously will will also keep high gas often in the combustion chamber of high temperature Close property, so the installation screw thread of spark plug is particularly important.

Spark plug and the requirement of the fit precision of cylinder head are very harsh, and since installation screw thread rolls out, it may It is present with some defective products, therefore in the process of screw thread, size detection and quality control to screw thread and its important.

More advanced screw thread measurement method is screw thread indicatrix mensuration in the world at present, although this method is to every spiral shell The detection of line parameter is all very accurate, but complex steps, efficiency are low, it is impossible to meet the requirement of factory mass production detection.

Utility model content

The purpose of this utility model is to provide a kind of spark plugs to detect corrective component, and thread measurement step is simple, effect Rate is high, can be used for correction installation the small of ridge and beat trace, it is advantageously ensured that the safe high quality of production of spark plug.

What the embodiment of the utility model was realized in：

A kind of spark plug detects corrective component, including：

First test section, the first test section are provided with the first clamping part, and the first clamping part and the first test section are rotationally Connection, the first clamping part have the threaded portion with the installation thread fitting of spark plug.

Drive component is sequentially connected with the first test section, for the first clamping part to be driven to move to detection from predeterminated position It is engaged with installation screw thread position.

Detection components are moved to the displacement of test position from predeterminated position for the first clamping part of detection and judge spark Fill in effective diameter eligible state.

Further, in the utility model preferred embodiment, the second test section is further included, the second test section is equipped with the Two clamping parts, the second clamping part are rotatably coupled with the second test section, and the second clamping part has the spiral shell with installing thread fitting Line portion, the first clamping part and the second clamping part are oppositely arranged and are formed that the grasping part of screw thread is fixedly mounted.

Further, in the utility model preferred embodiment, the number of the first clamping part is two, two first folders Portion is held to be symmetrical arranged along the second clamping part.

Further, in the utility model preferred embodiment, further include driving motor, the transmission shaft of driving motor with The drive connection of one of first clamping part and the second clamping part.

Further, in the utility model preferred embodiment, the transmission shaft of driving motor and the first clamping part are driven Connection.

Further, in the utility model preferred embodiment, detection components connect including opposite sensing head and contact Contact block, one of the first test section and the second test section set sensing head, and another one sets contact block.

Further, in the utility model preferred embodiment, transmission component is further included, transmission component is respectively with first Test section and the second test section are sequentially connected so that the first test section and the movement of the second test section reverse sync.

Further, in the utility model preferred embodiment, transmission component includes the first guide rod shaft, the second guide rod shaft And hinges, one end of the first guide rod shaft are fixedly connected with the first test section, one away from the first test section of the first guide rod shaft End is slidably connected with the second test section；One end of second guide rod shaft is slidably connected with the first test section, the second guide rod shaft it is separate One end of first test section is fixedly connected with the second test section；Hinges are connected with gantry rotation, the first guide rod shaft away from the The both ends of the end of one test section and the end away from the first test section of the second guide rod shaft respectively with hinges are hinged.

Further, in the utility model preferred embodiment, transmission component further includes returning spring, and returning spring is set The one side away from the first test section of the second test section is placed in, for the second test section to be driven to return back to default position from test position It puts.

A kind of spark plug detects corrective component, including：

First test section, the first test section are provided with the first clamping part, and the first clamping part and the first test section are rotationally Connection, the first clamping part have the threaded portion with the installation thread fitting of spark plug.

Second test section, the second test section are equipped with the second clamping part, and the second clamping part rotationally connects with the second test section It connects, the second clamping part has the threaded portion with installing thread fitting, and the first clamping part and the second clamping part are oppositely arranged and are formed For the grasping part of screw thread to be fixedly mounted.

Transmission component is sequentially connected respectively with the first test section and the second test section so that the first test section and the second detection Portion's reverse sync movement.

Drive component is sequentially connected with the first test section, for driving the first clamping part and the second clamping part from default position Put move to test position with installation screw thread engage.

Detection components are moved to the displacement of test position from predeterminated position for the first clamping part of detection and judge spark Fill in effective diameter eligible state.

The advantageous effect of the utility model embodiment is：

Spark plug provided by the utility model detects corrective component, and when thread measurement will be equipped with the spiral shell with installing thread fitting First clamping part in line portion is moved to test position from predeterminated position and is engaged with installation screw thread.Pass through the first folder of detection components detection Hold displacement of the portion from predeterminated position to test position, you can go out to install effective diameter and the judgement of screw thread according to displacement calculation Whether spark plug is qualified.Its thread measurement is easy to operate, efficient, disclosure satisfy that the requirement of factory mass production detection.The One clamping part is rotatably coupled with the first test section when making the axis of threaded portion parallel with the axis of the installation screw thread of spark plug, Threaded portion is pivotably engaged with installation screw thread when device is in test position, be can be used in correction installation the small of ridge and is beaten Trace.It is advantageously ensured that the safe high quality of production of spark plug.

By the way that the first test section and the second test section is set to coordinate, to the fixing-stable of spark plug, detection and correction are more steady It is fixed, accurate.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is structure diagram of the spark-plug thread detection device that the utility model embodiment provides at the first visual angle；

Fig. 2 is structure diagram of the spark-plug thread detection device that the utility model embodiment provides at the second visual angle；

Fig. 3 is the structure diagram for the spark plug throw-in part that the utility model embodiment provides；

Fig. 4 is that the spark plug that the utility model embodiment provides detects structure diagram of the corrective component at the first visual angle；

Fig. 5 is that the spark plug that the utility model embodiment provides detects structure diagram of the corrective component at the second visual angle；

Fig. 6 is that the spark plug that the utility model embodiment provides detects structure diagram of the corrective component at the 3rd visual angle；

Fig. 7 is the partial enlarged view at VII in Fig. 5.

Icon：100- spark-plug thread detection devices；100a- spark plug throw-in parts；110- line slideways；120- is without bar gas Cylinder；130- workbench；131- spark plugs rotate gauge；132- fixation kits；133- runner assemblies；The detection of 100b- spark plugs is rectified Positive component；The first test sections of 140-；141- cylinder pushing plates；The first clamping parts of 142-；143- springs；The second test sections of 150-； 151- guide rod pushing plates；The second clamping parts of 152-；160- drive components；170- transmission components；The first guide rod shafts of 171-；172- Two guide rod shafts；173- hinges；174- connecting plates；175- returning springs；180- detection components；181- senses head；182- contacts Contact block；190- driving motors.

Specific embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can configure to arrange and design with a variety of.

Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description in the description of the utility model, And it is not intended that instruction or hint relative importance.

The orientation or position relationship of the instructions such as term " on ", " under ", " interior ", " outer " are based on orientation shown in the drawings or position Put relation or the utility model product using when the orientation usually put or position relationship, be for only for ease of description this Utility model must have specific orientation with the device or element for simplifying description rather than instruction or hint meaning, with specific Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, the terms such as " vertical " are not offered as requiring absolute upright between component, but can be slightly tilted.As " hung down Directly " only refer to that its direction is in contrast more vertical, be not to represent that the structure is had to completely vertically, but can be slightly It tilts.

In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " etc. should be interpreted broadly.For example, it may be it is fixedly connected or detachably connects It connects or is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand concrete meaning of the above-mentioned term in the utility model.

Embodiment

Also referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of spark-plug thread detection device 100, including spark plug Throw-in part 100a and spark plug detection corrective component 100b.

Referring to Fig. 3, spark plug throw-in part 100a is provided with workbench 130, rodless cylinder 120 and line slideway 110.Work Make platform 130 for fixing spark plug and exposing the installation screw thread of spark plug.Workbench 130 is provided with spark plug and rotates gauge 131, for being rotatably coupled with spark plug, axis of the spark plug around spark plug on workbench 130 is enable to be rotated.

Specifically, spark plug rotates gauge 131 and includes fixation kit 132 and be rotatably sheathed in fixation kit 132 Runner assembly 133.Fixation kit 132 is the bearing block for being fixed on workbench 130.Runner assembly 133 is to pass through deep groove ball bearing The transmission shaft being rotatablely arranged in bearing block is provided with gauge counterbore (not shown) at the top of transmission shaft, for fixed fire Hua Sai.

The both ends of workbench 130 are slidably connected respectively with a line slideway 110, and rodless cylinder 120 drives work Platform 130 is slided along line slideway 110, for drive spark plug from input position slide into test position carry out spark plug inspection It surveys and spark plug is driven to slide into input position from test position after the completion of detecting and take out spark plug.It should be noted that In the utility model others embodiment, workbench 130 is directly fixed on test position similarly can be to the peace of spark plug Dress screw thread is detected.

Fig. 4, Fig. 5 and Fig. 6 are referred to, spark plug detection corrective component 100b includes the first test section 140, the second test section 150th, drive component 160, transmission component 170, detection components 180 and driving motor 190.

First test section 140 includes cylinder pushing plate 141, and the bottom of cylinder pushing plate 141 sets the first clamping part 142, First clamping part 142 is roller die, and the number of the first clamping part 142 is two, two roller dies be arranged side by side and with The corresponding roller die of test position, two roller dies are both provided with the threaded portion engaged with the installation screw thread of spark plug.

Second test section 150 includes guide rod pushing plate 151, and the bottom of guide rod pushing plate 151 is provided with the second clamping part 152, which is a roller die corresponding with test position, is arranged at the idler wheel mould of guide rod pushing plate 151 Have identical with being arranged at the structure of the roller die of cylinder pushing plate 141, be similarly provided with and nibbled with the installation screw thread of spark plug The threaded portion of conjunction.It is arranged at a roller die of guide rod pushing plate 151 and is arranged at two idler wheel moulds of cylinder pushing plate 141 Tool forms to be fixedly mounted the grasping part of screw thread, and two roller dies of the first test section 140 are along the second test section 150 Roller die is symmetrical arranged, and steadily grips the installation screw thread of spark plug when being in test position for device.

Referring to Fig. 7, each roller die includes the threaded portion that inner shaft and sliding sleeve are arranged on outside inner shaft, the bottom of threaded portion with Spring 143 is provided between the lower face of inner shaft, the setting of spring 143 can generate axial force, form pretightning force, it is ensured that each rolling Take turns mold can vertically under movement, the threaded portion of roller die and spark plug when avoiding device is in test position Threaded engagement is installed without wrong silk.

It should be noted that in the utility model others embodiment, it can also be only in the top of threaded portion and inner shaft Upper surface between set and spring 143 or spring 143 be all set at both ends, there is rolling it can in addition contain be chosen according to actual conditions Axially above other elastic components of elastic shrinkage amount are set wheel mold instead of spring 143.

Drive component 160 is is sequentially connected in the driving cylinder of cylinder pushing plate 141, for driving the first test section 140 Test position is moved to from predeterminated position, test position refers to the roller die of the first test section 140 and the installation spiral shell of spark plug The position of line engagement.

Transmission component 170 respectively with the first test section 140 and the second test section 150 is sequentially connected so that the first test section 140 and the movement of 150 reverse sync of the second test section, to be the first test section 140 synchronous with the second test section 150 closer or far from Test position.

Specifically, transmission component 170 includes the first guide rod shaft 171, the second guide rod shaft 172 and hinges 173.Guide rod promotes The one side of the separate cylinder pushing plate 141 of plate 151 is provided with the connecting plate 174 for being fixed on rack, the first guide rod shaft 171 and second Guide rod shaft 172 sets and passes through slide bushing and is slidably housed on connecting plate 174 substantially in parallel.First guide rod shaft 171 One end be fixedly connected with cylinder pushing plate 141, one end of the separate cylinder pushing plate 141 of the first guide rod shaft 171 is pushed away with guide rod Movable plate 151 is slidably connected.One end of second guide rod shaft 172 is slidably connected with cylinder pushing plate 141, the second guide rod shaft 172 it is remote One end from cylinder pushing plate 141 is fixedly connected with guide rod pushing plate 151.The middle part of hinges 173 is vertically provided with The shaft being connected with gantry rotation, the end of the separate cylinder pushing plate 141 of the first guide rod shaft 171 and the second guide rod shaft 172 Both ends of the end away from cylinder pushing plate 141 respectively with hinges 173 are hinged.

In the present embodiment, returning spring 175 is provided between guide rod pushing plate 151 and connecting plate 174, play buffering and The effect of reset.

Detection components 180 be Keyemce GT-H10 tangent displacement sensors, sensor total length 90mm, 1 μm of resolution ratio, Calibration range 10mm, any data will not be lost in high-speed mobile.It includes the sensing being oppositely arranged first 181 and contact Block 182, sensing first 181 are arranged at guide rod pushing plate 151, and contact point is disposed in proximity to the one side of cylinder pushing plate 141.Contact Contact block 182 is arranged at cylinder pushing plate 141.

When the installation screw thread to spark plug is detected, drive component 160 drives cylinder pushing plate 141 and is arranged at it On roller die be moved to test position from predeterminated position, guide rod pushing plate 151 under the gearing of transmission component 170 with 141 sync direction of cylinder pushing plate moves, and the installation screw thread of spark plug is clamped.Driving cylinder built in pressure sensor detects Signal, at this time Keyemce GT-H10 tangent displacement sensors work, senses the distance between first 181 and contact block 182 It changes, detection components 180 detect that roller die is moved to the displacement of test position from predeterminated position, detect spark plug Installation screw thread effective diameter, and judge spark plug installation screw thread effective diameter it is whether qualified.Sensing first 181 has Bi-colour LED shows testing result, is easily identified when detecting defective products.

It should be noted that in the utility model others embodiment, only similarly can by the first test section 140 Detect displacement of the roller die from predeterminated position to test position.The sensing first 181 and contact block of detection components 180 182 are arranged at the position with relative motion for the displacement for being able to detect that roller die, such as can will sense first 181 It is arranged at cylinder pushing plate 141 and contact block 182 is arranged to setting of guide rod pushing plate 151 etc..First test section 140 It can be driven by drive component 160, it can also be by the other power modes such as manually promoting to realize, it can also be by drive component 160 are arranged at the second test section 150 again by drive of transmission component 170 etc..

In the present embodiment, driving motor 190 is fixed on cylinder pushing plate 141, the output shaft of driving motor 190 and first Clamping part 142 is sequentially connected.Specifically, the output shaft of the driving motor 190 of additional deceleration machine is provided with first gear, is arranged at The second gear engaged with first gear is both provided at the top of two roller dies of cylinder pushing plate 141.It is arranged at guide rod The roller die of pushing plate 151 is rotatably coupled with guide rod pushing plate 151.

When device is in test position, driving motor 190 drives first gear to rotate, first gear driving second gear band Dynamic two roller dies for being arranged at cylinder pushing plate 141 rotate.Gear-driven efficiency is high, compact-sized, reliable operation, the service life It is long.The rotation for being arranged at two roller dies of cylinder pushing plate 141 drives spark plug to rotate, and the rotation of spark plug, which drives, to be set It is rotated in the roller die of guide rod pushing plate 151.Two roller dies do the stable structure of driving wheel, certainly, new in this practicality In type others embodiment, driving motor 190 is arranged at guide rod pushing plate 151, so as to do driving wheel with the second clamping part 152 Setting be also it is feasible.

The installation screw thread of roller die and spark plug is rolled, and be can be used in correction installation the small of ridge and is beaten trace, It is advantageously ensured that the safe high quality of production of spark plug.

In conclusion the spark plug detection corrective component 100b that the utility model embodiment provides, when thread measurement, will set Have with install thread fitting threaded portion from predeterminated position be moved to test position with install screw thread engage, pass through detection components Displacement of 180 the first clamping parts 142 of detection from predeterminated position to test position, you can go out to install screw thread according to displacement calculation Effective diameter and judge whether spark plug qualified.Its thread measurement is easy to operate, efficient, disclosure satisfy that factory mass is given birth to Produce the requirement of detection.By threaded portion rotatably arranged with and make the installation screw thread of its axis and spark plug axis it is parallel when, dress Threaded portion pivotably engages rolling with installation screw thread when putting in test position, can be used in the small of correction installation ridge Beat trace.It is advantageously ensured that the safe high quality of production of spark plug.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of spark plug detects corrective component, which is characterized in that including：

First test section, first test section are provided with the first clamping part, first clamping part and first test section It is rotatably coupled, first clamping part has the threaded portion with the installation thread fitting of spark plug；

Drive component is sequentially connected with first test section, for first clamping part to be driven to be moved to from predeterminated position Test position is engaged with the installation screw thread；

Detection components are moved to from predeterminated position described in displacement and the judgement of test position for detecting first clamping part Spark plug effective diameter eligible state.

2. spark plug according to claim 1 detects corrective component, which is characterized in that the second test section is further included, it is described Second test section is equipped with the second clamping part, and second clamping part is rotatably coupled with second test section, and described second Clamping part has the threaded portion with the installation thread fitting, and first clamping part and second clamping part are oppositely arranged simultaneously It is formed to fix the grasping part for installing screw thread.

3. spark plug according to claim 2 detects corrective component, which is characterized in that the number of first clamping part is Two, two first clamping parts are symmetrical arranged along second clamping part.

4. spark plug according to claim 2 detects corrective component, which is characterized in that further includes driving motor, the drive The transmission shaft of dynamic motor and the drive connection of one of first clamping part and second clamping part.

5. spark plug according to claim 4 detects corrective component, which is characterized in that the transmission shaft of the driving motor with First clamping part is sequentially connected.

6. spark plug according to claim 2 detects corrective component, which is characterized in that the detection components include opposite Head and contact block are sensed, one of first test section and second test section set the sensing head, another Person sets the contact block.

7. spark plug according to claim 2 detects corrective component, which is characterized in that further includes transmission component, the biography Dynamic component is sequentially connected respectively with first test section and second test section so that first test section and described the Two test section reverse syncs move.

8. spark plug according to claim 7 detects corrective component, which is characterized in that the transmission component is led including first Bar axis, the second guide rod shaft and hinges, one end of first guide rod shaft are fixedly connected with first test section, and described first One end away from first test section of guide rod shaft is slidably connected with second test section；One end of second guide rod shaft It is slidably connected with first test section, one end away from first test section of second guide rod shaft is examined with described second Survey portion is fixedly connected；The hinges are connected with gantry rotation, the end away from first test section of first guide rod shaft The both ends of portion and the end away from first test section of second guide rod shaft respectively with the hinges are hinged.

9. spark plug according to claim 7 detects corrective component, which is characterized in that the transmission component further includes reply Spring, the returning spring is arranged at the one side away from first test section of second test section, described for driving Second test section returns back to predeterminated position from test position.

10. a kind of spark plug detects corrective component, which is characterized in that including：

First test section, first test section are provided with the first clamping part, first clamping part and first test section It is rotatably coupled, first clamping part has the threaded portion with the installation thread fitting of spark plug；

Second test section, second test section are equipped with the second clamping part, and second clamping part can with second test section It rotationally connects, second clamping part has the threaded portion with the installation thread fitting, first clamping part and described Second clamping part is oppositely arranged and is formed to fix the grasping part of the installation screw thread；

Transmission component, be sequentially connected respectively with first test section and second test section so that first test section and The second test section reverse sync movement；

Drive component is sequentially connected with first test section, for driving first clamping part and second clamping part Test position is moved to from predeterminated position to engage with the installation screw thread；

Detection components are moved to from predeterminated position described in displacement and the judgement of test position for detecting first clamping part Spark plug effective diameter eligible state.