CN107478121B - Adjustable feeler gauge - Google Patents

Adjustable feeler gauge Download PDF

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Publication number
CN107478121B
CN107478121B CN201710808028.1A CN201710808028A CN107478121B CN 107478121 B CN107478121 B CN 107478121B CN 201710808028 A CN201710808028 A CN 201710808028A CN 107478121 B CN107478121 B CN 107478121B
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CN
China
Prior art keywords
feeler gauge
drill holder
flexible adjustment
axially
adjustment slot
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Active
Application number
CN201710808028.1A
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Chinese (zh)
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CN107478121A (en
Inventor
刘成平
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CHONGQING LIANJIANG MACHINERY Co.,Ltd.
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CHONGQING QINGPING MACHINERY Co Ltd
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Priority to CN201710808028.1A priority Critical patent/CN107478121B/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Instruments as specified in the subgroups and characterised by the use of mechanical measuring means
    • G01B3/46Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
    • G01B3/50Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable of limit-gauge type, i.e. "go/no-go"

Abstract

The invention discloses a kind of adjustable feeler gauge, feeler gauge front end outer circle forms working face, and the diameter of the working face is adjustable;Change diameter of a circle outside drill holder and then the sliding on circular conical surface, and then change measuring size for feeler gauge, and utilize the mechanism degree of regulation of circular conical surface driving variable diameter high, stability is good, guarantees that feeler gauge detects the required accuracy;The feeler gauge being adjusted when at one's leisure according to the size for being detected part increases the scope of application, and after abrasion, and requirement that is still adjustable or being changed to qualified size guarantees that the service life of feeler gauge is longer, good economy performance is versatile.

Description

Adjustable feeler gauge
Technical field
The present invention relates to measurer fields, and in particular to a kind of adjustable feeler gauge.
Background technique
At present in the smooth surface feeler gauge of design, it is substantially according to actually detected size, makes unitary solid feeler gauge head, Though such design has the advantages of dimensionally stable, it is small that there is also detection ranges, and specificity is especially high, can not change detection range, And it is scrapped substantially after wearing.
Therefore, it is necessary to a kind of adjustable feeler gauge, at one's leisure when the feeler gauge that is adjusted according to the size for being detected part, increase Add the scope of application, and after abrasion, is still adjustable as the requirement of qualified size, guarantees that the service life of feeler gauge is longer.
Summary of the invention
In view of this, providing a kind of adjustable feeler gauge, at one's leisure the purpose of the present invention is overcoming defect in the prior art When according to the feeler gauge that is adjusted of size for being detected part, increase the scope of application, and after wearing, be still adjustable as qualified size Requirement, guarantee that the service life of feeler gauge is longer.
Adjustable feeler gauge of the invention, feeler gauge front end outer circle form working face, and the diameter of the working face can It adjusts.
Further, the feeler gauge includes the variable diameter variable with support column front end external diameter is coated at positioned at the support column of front end Set, support column front end outer circle are the outer conical surface along axial direction undergauge from front to back, and the inner circle of the drill holder is and support The internal conical surface of column outer circle form-fit further includes for the limit assembly to drill holder axial limiting, and the drill holder passes through Outer circle after sliding axially and being limited using limit assembly in drill holder forms the working face.
Further, the front end face marginal portion of the drill holder is recessed axially rearward forms preceding flexible adjustment slot, variable diameter The rear end face marginal portion of set be recessed axially forward formation after flexible adjustment slot, the preceding flexible adjustment slot and rear flexible adjustment Slot is multiple and is circumferentially staggeredly uniformly distributed setting.
Further, the slot bottom of the preceding flexible adjustment slot and rear flexible adjustment slot is arc
Further, high-intensity resin, the high intensity are provided among the preceding flexible adjustment slot and rear flexible adjustment slot The inner wall of preceding flexible adjustment slot and rear flexible adjustment slot is fixed in resin bonding.
Further, the back segment of the support column is cylindrical body, and the limit assembly includes the rear limit for being coated at the cylindrical body Hyte part, the rear limit assembly respectively include rear stop collar and locking nut from the front to the back, and the rear stop collar outer circle is along axis To extending to form the pushing sleeve for pressing on drill holder rear end face forward, the locking nut thread jacket is in cylindrical body and axially backward Lock drill holder.
It further, further include front limit component for being limited axially forward to drill holder, front limit component edge Axial position is adjustable and after fixing to drill holder axial limiting.
It further, further include the handle stem for being removably mounted to support column rear end, the centre of the support column is passed through along axial direction Logical to be provided with through-hole, the front limit component includes in sliding axially and being placed in the inner screw sheath and screw thread being set in through-hole The front end face of handle stem is fixed in the drive rod that the driving inner screw sheath of thread bush is axially moved, the rear end of the drive rod, institute The outer circle for stating inner screw sheath extends radially outward the front to form flexible adjustment slot slot bottom before outer end presses on axially rearward Bar, the front end of the support column are axially formed for preceding lever axial groove in axial sliding.
Further, the preceding lever is four and is uniformly distributed along the circumferential direction of support column.
Further, butterfly spring is provided between cylindrical body and handle stem between the rear stop collar and locking nut.
The beneficial effects of the present invention are: a kind of adjustable feeler gauge disclosed by the invention, by the sliding on circular conical surface into And change diameter of a circle outside drill holder, and then change measuring size for feeler gauge, and the mechanism of circular conical surface driving variable diameter is utilized to adjust Precision is high, and stability is good, guarantees that feeler gauge detects the required accuracy;The plug being adjusted when at one's leisure according to the size for being detected part Rule increase the scope of application, and after wearing, requirement that is still adjustable or being changed to qualified size, guarantee the service life of feeler gauge compared with Long, good economy performance is versatile.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is cross-sectional view of the invention;
Fig. 3 is the structural schematic diagram of support column in the present invention;
Fig. 4 is the structural schematic diagram of inner screw sheath in the present invention.
Specific embodiment
Fig. 1 is the structural diagram of the present invention, and Fig. 2 is cross-sectional view of the invention, and Fig. 3 is the structure of support column in the present invention Schematic diagram, Fig. 4 is the structural schematic diagram of inner screw sheath in the present invention, as shown, the adjustable feeler gauge in the present embodiment;It is described Feeler gauge front end outer circle forms working face, and the diameter of the working face is adjustable.
In the present embodiment, the feeler gauge includes being located at the support column 1 of front end and being coated at what 1 front end external diameter of support column can be changed Drill holder 2, the 1 front end outer circle of support column are the outer conical surface along axial direction undergauge from front to back, and the inner circle of the drill holder 2 is It further include for the limit assembly to 2 axial limiting of drill holder, the change with the internal conical surface of 1 outer circle form-fit of support column Diameter set 2 forms the working face by the outer circle after sliding axially and limiting using limit assembly in drill holder 2;By in circle Sliding and then the change outer diameter of a circle of drill holder 2 on the conical surface, and then change measuring size for feeler gauge, and circular conical surface is utilized to drive The mechanism degree of regulation of variable diameter is high, and stability is good, guarantees that feeler gauge detects the required accuracy;According to the ruler for being detected part when at one's leisure The very little feeler gauge being adjusted increases the scope of application, and after abrasion, and requirement that is still adjustable or being changed to qualified size guarantees plug The service life of rule is longer, and good economy performance is versatile.
In the present embodiment, the front end face marginal portion of the drill holder 2 is recessed axially rearward forms preceding flexible adjustment slot 3, the rear end face marginal portion of drill holder 2 be recessed axially forward formation after flexible adjustment slot 4, preceding 3 He of flexible adjustment slot Flexible adjustment slot 4 is multiple and is circumferentially staggeredly uniformly distributed setting afterwards;As shown, the preceding flexible adjustment slot 3 is with after The slot bottom of flexible adjustment slot 4 is arc;Arcuate structure can avoid stress concentration and structure is destroyed, and be adjusted by preceding elasticity Section slot 3 and rear flexible adjustment slot 4 can guarantee that the maximum gauge of the working face after variable diameter still on a cylindrical surface, guarantees detection accuracy It is high;Certainly, the working face after the structure variable diameter is not the cylindrical surface of standard, working face after variable diameter by 2 outer wall of drill holder Cylindrical where maximum gauge is at certainly, the precision of test point is directly proportional according to the quantity of the flexible adjustment slot opened up.
In the present embodiment, it is provided with high-intensity resin 5 among the preceding flexible adjustment slot 3 and rear flexible adjustment slot 4, it is described High-intensity resin 5 is bonded and fixed to the inner wall of preceding flexible adjustment slot 3 and rear flexible adjustment slot 4;By the way that high-intensity resin 5 is arranged, Guarantee that drill holder 2 can adhere well to the outer circle of support column 1, guarantee the precision-fit between internal conical surface and outer conical surface, protects The precision for demonstrate,proving working face is high.
In the present embodiment, the back segment of the support column 1 is cylindrical body 6, and the limit assembly includes being coated at the cylindrical body 6 Rear limit assembly, it is described after limit assembly respectively include rear stop collar and locking nut 8 from the front to the back, it is described after stop collar 7 Outer circle axially extends the pushing sleeve 9 to be formed and press on 2 rear end face of drill holder forward, and 8 thread jacket of locking nut is in cylinder Body 6 simultaneously locks drill holder 2 axially backward;Drill holder 2 can be effectively prevent to move backward by rear limit assembly and cause work Face failure, and structure is simple, and limit is stablized, easy to adjust.
It further include the front limit component for being limited axially forward to drill holder 2, the front limit group in the present embodiment Part is adjustable along axial position and after fixing to 2 axial limiting of drill holder;It further include the hand handle for being removably mounted to 1 rear end of support column Bar 10, the intermediate edge of the support column 1 include the setting that slides axially axially through through-hole 11, the front limit component is provided with In the drive rod that the driving inner screw sheath 12 for being placed on inner screw sheath 12 in the inner screw sheath 12 and screw thread in through-hole 11 is axially moved 13, the front end face of handle stem 10 is fixed in the rear end of the drive rod 13, and the outer circle of the inner screw sheath 12 is radially prolonged The front stop lever 14 to form 3 slot bottom of flexible adjustment slot before outer end presses on axially rearward is stretched, the front end of the support column 1 is along axial direction It is formed and is used for preceding lever axial groove 15 in axial sliding;Front stop lever 14 is set to press on drill holder 2 backward by rotating drive rod 13, Guarantee that drill holder 2 is axially fixed stabilization, avoid drill holder 2 from moving axially and make the diameter change of working face, guarantees measurement essence Degree is high, meanwhile, front limit component is set in support column 1, effectively avoids impacting feeler gauge front end, guarantees that measurement is convenient.
In the present embodiment, the preceding lever is four and is uniformly distributed along the circumferential direction of support column 1;Guarantee drill holder 2 along week To uniform by power backward, guarantee 2 fixing-stable of drill holder, avoid small shaking and influence measurement accuracy.
In the present embodiment, it is provided between cylindrical body 6 and handle stem 10 between stop collar 7 and locking nut 8 after described Butterfly spring;By the axial elastic force of butterfly spring, the stability of locking nut 8 and drive rod 13 is further ensured, is avoided Shake and influence the stability of locking.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the scope of the claims of invention.

Claims (6)

1. a kind of adjustable feeler gauge, it is characterised in that: feeler gauge front end outer circle forms working face, and the diameter of the working face is big It is small adjustable;
The feeler gauge includes the drill holder variable with support column front end external diameter is coated at positioned at the support column of front end, the support column Front end outer circle is the outer conical surface along axial direction undergauge from front to back, and the inner circle of the drill holder is and support column outer circle form-fit Internal conical surface, further include for the limit assembly to drill holder axial limiting, the drill holder is by sliding axially and benefit Outer circle after being limited with limit assembly in drill holder forms the working face;
The front end face marginal portion of the drill holder is recessed axially rearward forms preceding flexible adjustment slot, the rear end face side of drill holder Edge flexible adjustment slot after recess is formed point axially forward, the preceding flexible adjustment slot and rear flexible adjustment slot be it is multiple simultaneously Circumferentially staggeredly it is uniformly distributed setting;
It further include the front limit component for being limited axially forward to drill holder, the front limit component is adjustable along axial position And to drill holder axial limiting after fixing;
It further include the handle stem for being removably mounted to support column rear end, the intermediate edge of the support column is logical axially through being provided with Hole, the front limit component include the drive for sliding axially and being placed on inner screw sheath in the inner screw sheath and screw thread being set in through-hole The drive rod that dynamic inner screw sheath is axially moved, the front end face of handle stem, the inner screw sheath are fixed in the rear end of the drive rod Outer circle extend radially outward the front stop lever to form flexible adjustment slot slot bottom before outer end presses on axially rearward, the support The front end of column is axially formed for preceding lever axial groove in axial sliding.
2. adjustable feeler gauge according to claim 1, it is characterised in that: the preceding flexible adjustment slot and rear flexible adjustment slot Slot bottom be arc.
3. adjustable feeler gauge according to claim 1, it is characterised in that: the preceding flexible adjustment slot and rear flexible adjustment slot Among be provided with high-intensity resin, the high-intensity resin is bonded and fixed to the interior of preceding flexible adjustment slot and rear flexible adjustment slot Wall.
4. adjustable feeler gauge according to claim 1, it is characterised in that: the back segment of the support column is cylindrical body, described Limit assembly includes the rear limit assembly for being coated at the cylindrical body, and the rear limit assembly respectively includes rear stop collar from the front to the back And locking nut, the rear stop collar outer circle axially extend the pushing sleeve to be formed and press on drill holder rear end face forward, the lock Tight nut thread is coated at cylindrical body and locks drill holder axially backward.
5. adjustable feeler gauge according to claim 4, it is characterised in that: the preceding lever was four and along the week of support column To being uniformly distributed.
6. adjustable feeler gauge according to claim 5, it is characterised in that: after described between stop collar and locking nut with circle Butterfly spring is provided between cylinder and handle stem.
CN201710808028.1A 2017-09-08 2017-09-08 Adjustable feeler gauge Active CN107478121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710808028.1A CN107478121B (en) 2017-09-08 2017-09-08 Adjustable feeler gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710808028.1A CN107478121B (en) 2017-09-08 2017-09-08 Adjustable feeler gauge

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CN107478121A CN107478121A (en) 2017-12-15
CN107478121B true CN107478121B (en) 2019-10-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110425966B (en) * 2019-07-09 2021-02-09 苏州优力克流体控制科技有限公司 UN thread measuring device
CN112325826B (en) * 2019-07-20 2022-05-10 成都飞机工业(集团)有限责任公司 Diameter inspection device for screw propulsion

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CN85204309U (en) * 1985-10-13 1986-06-18 叶兼爱 Combined plug gage
US4864732A (en) * 1988-01-19 1989-09-12 Fatigue Technology, Inc. Combined hole size gauge and oversized hole marker
US4918825A (en) * 1989-01-23 1990-04-24 Lesh Stephen S Micrometer cartridge headspace gauge
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CN104112389A (en) * 2014-06-13 2014-10-22 台州学院 Demonstration apparatus for limiting and fitting of hole and shaft
CN205262320U (en) * 2015-12-03 2016-05-25 安徽士必达液压器材有限公司 Feeler gauge with adjustable detect work piece internal thread in batches
CN105771114A (en) * 2016-04-26 2016-07-20 河南师范大学 Deep well rescue device
KR101684418B1 (en) * 2016-05-31 2016-12-07 동도테크 주식회사 Centering holder for inside-diameter measuring gauge
CN106441048A (en) * 2016-12-08 2017-02-22 安庆中船柴油机有限公司 Screw thread coaxial detection positioning sleeve, detection tool and method

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