CN211147537U - Positioning device and earhole measuring instrument - Google Patents

Positioning device and earhole measuring instrument Download PDF

Info

Publication number
CN211147537U
CN211147537U CN201922498874.5U CN201922498874U CN211147537U CN 211147537 U CN211147537 U CN 211147537U CN 201922498874 U CN201922498874 U CN 201922498874U CN 211147537 U CN211147537 U CN 211147537U
Authority
CN
China
Prior art keywords
pin
clamping arm
adjusting
positioning device
hole
Prior art date
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.)
Active
Application number
CN201922498874.5U
Other languages
Chinese (zh)
Inventor
王一平
冯永盛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengweihuang Watch Industry Shenzhen Co ltd
Original Assignee
Shengweihuang Watch Industry Shenzhen Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shengweihuang Watch Industry Shenzhen Co ltd filed Critical Shengweihuang Watch Industry Shenzhen Co ltd
Priority to CN201922498874.5U priority Critical patent/CN211147537U/en
Application granted granted Critical
Publication of CN211147537U publication Critical patent/CN211147537U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Jigs For Machine Tools (AREA)

Abstract

The utility model belongs to the technical field of the frock is measured to the wrist-watch, especially, relate to a positioner and earhole measuring apparatu. The positioner is used for fixing a position the watchcase, and it includes: the supporting structure comprises a reference seat and a reference table, wherein the reference seat is provided with a horizontally arranged reference surface, and one end of the reference table is connected to the reference surface; and the positioning structure comprises a first clamping arm and a second clamping arm, one end of the first clamping arm and one end of the second clamping arm are both connected with the other end of the reference table, a first pin is arranged at the other end of the first clamping arm, a second pin arranged opposite to the first pin is arranged at the other end of the second clamping arm, at least one of the first clamping arm and the second clamping arm is in sliding connection with the reference table, and the first clamping arm and the second clamping arm slide oppositely and oppositely to clamp the first pin and the second pin into the two ear holes respectively. The cross section areas of the first pin and the second pin are gradually reduced towards the bottoms of the corresponding ear holes. The utility model discloses can improve the accuracy of earhole measurement, reduce cost.

Description

Positioning device and earhole measuring instrument
Technical Field
The utility model belongs to the technical field of the frock is measured to the wrist-watch, especially, relate to a positioner and earhole measuring apparatu.
Background
At present, in the wrist-watch industry of making, the trough of belt has been seted up to the watchcase, and an earhole has been seted up respectively to the both sides trough surface of trough of belt, and the one end of watchband is passed through the connecting bolt and is connected in the trough of belt, and the both ends of connecting bolt are blocked respectively and are located two earholes. The quality of earhole will finally influence the assembly effect of watchcase and watchband, and then influences wearing effect and the whole aesthetic feeling of product. The quality of the ear hole can often be guaranteed by the dimensional accuracy of the ear hole.
In detecting the dimensional accuracy of the ear hole, it is common practice to set one surface of the wristwatch case as a reference surface and position the wristwatch case with reference to the reference surface. Then, a new ear (namely a steel bar which is positioned between the watchband and the watchcase and can adjust the length) is installed in the ear hole, and then the relevant size data of the ear hole is measured through the new ear.
However, since the raw ear is a movable part, a gap which can move still exists when the raw ear is installed in the ear hole, and a large assembly error exists, so that related data measured on the ear hole are inaccurate. And for the earhole with different apertures, different raw ears need to be manufactured, which is not beneficial to saving cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioner aims at solving and how fixes a position the watchcase to improve the problem of earhole measurement accuracy.
The utility model provides a positioning device for fix a position the watchcase, wherein, the trough of belt has been seted up to the one end of watchcase, the both sides grooved surface of trough of belt all is equipped with an earhole, positioning device includes:
the supporting structure comprises a reference seat and a reference table, wherein the reference seat is provided with a horizontally arranged reference surface, and one end of the reference table is connected to the reference surface; and
the positioning structure comprises a first clamping arm and a second clamping arm, one end of the first clamping arm and one end of the second clamping arm are both connected with the other end of the reference platform, the other ends of the first clamping arm and the second clamping arm horizontally extend and are both located in the belt grooves, a first pin is arranged at the other end of the first clamping arm, a second pin which is arranged in a back direction of the first pin is arranged at the other end of the second clamping arm, at least one of the first clamping arm and the second clamping arm is in sliding connection with the reference platform, the first clamping arm and the second clamping arm slide in a back direction relatively, so that the first pin and the second pin are clamped into the two lug holes respectively, and central axes of the first pin and the second pin are arranged in a collinear manner and are located in a horizontal plane parallel to the reference surface;
the cross section area of the first pin and the cross section area of the second pin are both towards the corresponding bottom of the ear hole and are gradually reduced, and the side surfaces of the first pin and the second pin are respectively abutted to the corresponding hole openings of the ear hole.
The technical effects of the utility model are that: through sliding first card arm and second card arm dorsad relatively to make first pin and second pin block respectively in the corresponding ear hole, because ground pin and second pin are the circular cone setting, thereby make first pin and second pin not only can the not equidimension ear hole of adaptation, first pin and second pin can butt completely to the drill way edge of ear hole in addition, do not have the fit-up gap, thereby improved the accuracy of ear hole measurement and reduced manufacturing cost.
Drawings
Fig. 1 is a three-dimensional structure diagram of a positioning device provided in an embodiment of the present invention;
FIG. 2 is an exploded view of the positioning device of FIG. 1;
fig. 3 is a partially enlarged view of fig. 2 at a.
The correspondence between reference numbers and names in the drawings is as follows:
100. a positioning device; 10. a support structure; 11. a reference table; 12. a reference base; 20. a positioning structure; 21. a first clamp arm; 22. a second clamp arm; 30. a levelness adjusting structure; 42. a verticality adjusting structure; 40. a drive screw; 41. an adjusting block; 121. a reference plane; 211. a slide plate; 133. a chute; 13. a sliding mechanism; 131. a slider; 132. a slide rail; 24. a tube spring; 25. a guide bar; 32. an adjustment column; 31. an adjusting plate; 33. an adjusting disk; 331. an anti-slip groove; 24. a second pin; 23. a first pin; 212. an arm body; 251. a guide hole; 34. an adjusting seat;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "vertical", "parallel", "bottom", "angle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship.
Referring to fig. 1 to 3, an embodiment of the present invention provides a positioning device 100 for positioning a watch case, wherein a strap slot is formed at one end of the watch case, and two side slot surfaces of the strap slot are respectively provided with an ear hole. The positioning device 100 comprises a support structure 10 and a positioning structure 20 connected to the support structure 10. The support structure 10 comprises a reference block 12 and a reference table 11 connected to the reference block 12. Alternatively, the reference holder 12 is plate-shaped, and the reference holder 12 is provided with a reference surface 121 disposed upward and arranged horizontally. One end of the reference table 11 is connected to the reference surface 121. The positioning structure 20 includes a first clamping arm 21 and a second clamping arm 22, one end of the first clamping arm 21 and one end of the second clamping arm 22 are both connected to the other end of the reference table 11, the other ends of the first clamping arm 21 and the second clamping arm 22 horizontally extend and are both located in the belt grooves, the other end of the first clamping arm 21 is provided with a first pin 23, the other end of the second clamping arm 22 is provided with a second pin 24, and at least one of the first clamping arm 21 and the second clamping arm 22 is slidably connected to the reference table 11. The other ends of the first clamping arm 21 and the second clamping arm 22 are located in the belt grooves, and the first clamping arm 21 and the second clamping arm 22 oppositely deviate from sliding to clamp the first pin 23 and the second pin 24 into two earholes respectively. The cross sectional areas of the first pin 23 and the second pin 24 are all set gradually decreasing towards the bottom of the corresponding ear hole, that is, the first pin 23 and the second pin 24 are both conical, so that the conical side surfaces of the first pin 23 and the second pin 24 are respectively abutted to the hole openings of the corresponding ear holes. It can be understood that the shapes and the sizes of the first pin 23 and the second pin 24 are equal, and the central axes of the first pin and the second pin are collinear, that is, the central axes of the two ear holes are located in the horizontal plane of a certain parallel reference surface 121, so that the surface shell can be measured, that is, the relevant data from the part to be measured to the center of the ear hole can be obtained, and the data can be analyzed, so as to obtain the size precision of the ear hole. The part to be measured comprises an ear foot, a bottom surface of the watch case and a groove bottom with a groove.
Through with first card arm 21 and second card arm 22 relative back to the slip to make first pin 23 and second pin 24 block respectively in the corresponding ear hole, because ground pin and second pin 24 are the circular cone setting, thereby make first pin 23 and second pin 24 not only can the not equidimension ear hole of adaptation, first pin 23 and second pin 24 can completely butt to the drill way edge of ear hole moreover, do not have the assembly clearance, thereby improved the accuracy of ear hole measurement and reduced manufacturing cost.
In one embodiment, the first clamp arm 21 is slidably connected to the reference stage 11, the second clamp arm 22 is fixedly connected to the reference stage 11, the first clamp arm 21 includes a sliding plate 211 slidably connected to the reference stage 11 and an arm body 212 connected to one end of the sliding plate 211, and the first pin 23 is disposed on the arm body 212. In other embodiments, the first clamp arm 21 may be fixedly connected and the second clamp arm 22 may be slidably connected to the reference platform 11, or both the first clamp arm 21 and the second clamp arm 22 may be slidably connected to the reference platform 11.
In one embodiment, the support structure 10 further comprises a sliding mechanism 13, the sliding mechanism 13 being configured to slidably couple the slide plate 211 with the reference table 11.
In one embodiment, the sliding mechanism 13 includes a slide rail 132 disposed on the reference table 11 and a slide block 131 connected to the slide plate 211, and the slide block 131 is opened with a slide slot 133 adapted to the slide rail 132. By the cooperation of the sliding block 131 and the sliding rail 132, the first clamp arm 21 can slide horizontally and smoothly on the reference table 11.
In one embodiment, the positioning structure 20 further includes a push plate having one end connected to the sliding plate 211 and the other end extending downward, and an elastic member having two ends respectively connected to the push plate and the reference platform 11 and having an elastic restoring force. Through the movement of the driving sliding plate 211, the arm body 212 moves towards the second clamping arm 22, so that the distance between the first clamping arm 21 and the second clamping arm 22 is matched with the groove width of the groove, the pushing plate slides along with the sliding plate 211 and compresses the elastic piece, the sliding plate 211 is released after the first pin 23 and the second pin 24 are butted with the corresponding ear holes, and the elastic piece drives the arm body 212 to move towards the direction away from the second clamping arm 22, so that the watch case is clamped on the first clamping arm 21 and the second clamping arm 22.
In one embodiment, the elastic member is a tube spring 24, a guide hole 251 is formed at a position where the reference stage 11 is connected to the tube spring 24, the hole depth direction of the guide hole 251 is horizontally arranged, the positioning structure 20 further includes a guide rod 25, one end of the guide rod 25 is connected to the push plate and penetrates through the tube spring 24, and the other end of the guide rod 25 is slidably arranged in the guide hole 251. The sliding plate 211 can be smoothly slid by the cooperation of the guide bar 25 and the guide hole 251. Alternatively, the guide bar 25 and the tube spring 24 are provided in pairs, and two pairs are provided.
In one embodiment, the positioning device 100 further comprises a levelness adjusting structure 30, the levelness adjusting structure 30 comprises an adjusting seat 34 slidably disposed on the reference surface 121, an adjusting plate 33 abutting against the watch case, and an adjusting screw rod having one end connected to the adjusting plate 33 and the other end connected to the adjusting seat 34, the adjusting seat 34 is opened with an adjusting threaded hole, and the other end of the adjusting screw rod is screwed into the adjusting threaded hole. The quotation of watchcase butt adjustment disk 33 through rotating adjusting screw, can adjust adjustment disk 33's height to adjust the levelness of watchcase, be favorable to follow-up measurement.
In one embodiment, the adjusting seat 34 includes an adjusting plate 31 connected to the reference surface 121 and an adjusting post 32 connected to the adjusting plate 31, an adjusting threaded hole is opened on an end surface of one end of the adjusting post 32, and an outer diameter of the adjusting plate 33 is larger than that of the adjusting post 32. The adjusting disk 33 is properly set to be larger, which is beneficial for human hands to drive the adjusting screw rod to rotate through the sleeving disk.
In one embodiment, the adjusting plate 33 has a plurality of anti-slip grooves 331 formed on a side surface thereof, and the anti-slip grooves 331 are spaced around the adjusting plate 33 in a circumferential direction. The anti-slip groove 331 can improve the friction force between the hand and the adjusting disk 33, and further improve the convenience of rotation of the adjusting screw.
In one embodiment, the positioning device 100 further includes a verticality adjusting structure 42, the verticality adjusting structure 42 includes a driving screw 40 connected to the reference platform 11 at one end and an adjusting block 41 connected to the other end of the driving screw 40, the reference platform 11 is provided with an adjusting threaded hole, the hole depth direction of the adjusting threaded hole is horizontally arranged, and the other end of the driving screw 40 is screwed into the adjusting threaded hole. The rotation of the driving screw 40 rotates the watch case abutting on the adjusting block 41, thereby realizing the adjustment of the verticality of the watch case.
The utility model also provides an earhole measuring apparatu, this earhole measuring apparatu include positioner 100, and this positioner 100's concrete structure refers to above-mentioned embodiment, because this earhole measuring apparatu has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary detail here.
In one embodiment, the ear hole measuring instrument further comprises a bracket connected to the reference base 12 at one end and a measuring gauge connected to the other end of the bracket and used for measuring the casing. Optionally, the position of the watchcase relative to the ear hole is measured to obtain relevant data between the position and the center of the ear hole, and the data is analyzed to finally obtain the size precision of the ear hole.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a positioner for fix a position the watchcase, wherein, the trough of belt has been seted up to the one end of watchcase, the both sides trough surface of trough of belt all is equipped with an earhole, its characterized in that, positioner includes:
the supporting structure comprises a reference seat and a reference table, wherein the reference seat is provided with a horizontally arranged reference surface, and one end of the reference table is connected to the reference surface; and
the positioning structure comprises a first clamping arm and a second clamping arm, one end of the first clamping arm and one end of the second clamping arm are both connected with the other end of the reference platform, the other ends of the first clamping arm and the second clamping arm horizontally extend and are both located in the belt grooves, a first pin is arranged at the other end of the first clamping arm, a second pin which is arranged in a back direction of the first pin is arranged at the other end of the second clamping arm, at least one of the first clamping arm and the second clamping arm is in sliding connection with the reference platform, the first clamping arm and the second clamping arm slide in a back direction relatively, so that the first pin and the second pin are clamped into the two lug holes respectively, and central axes of the first pin and the second pin are arranged in a collinear manner and are located in a horizontal plane parallel to the reference surface;
the cross section area of the first pin and the cross section area of the second pin are both towards the corresponding bottom of the ear hole and are gradually reduced, and the side surfaces of the first pin and the second pin are respectively abutted to the corresponding hole openings of the ear hole.
2. The positioning device of claim 1, wherein: first card arm with benchmark platform sliding connection, second card arm with benchmark platform fixed connection, first card arm includes sliding connection the slide of benchmark platform and connection the arm body of slide one end, first pin set up in the arm body.
3. The positioning device of claim 2, wherein: the supporting structure further comprises a sliding mechanism, and the sliding mechanism is used for slidably connecting the sliding plate and the reference table; the sliding mechanism comprises a sliding rail arranged on the reference table and a sliding block connected with the sliding plate, and the sliding block is provided with a sliding groove matched with the sliding rail.
4. The positioning device of claim 2, wherein: the positioning structure further comprises a push plate and an elastic part, wherein one end of the push plate is connected with the sliding plate, the other end of the push plate extends downwards, the two ends of the push plate are respectively connected with the reference platform, and the elastic part has elastic restoring force.
5. The positioning device of claim 4, wherein: the elastic part is a pipe spring, a guide hole is formed in the position, connected with the pipe spring, of the reference platform, the guide hole is horizontally arranged in the hole depth direction, the positioning structure further comprises a guide rod, one end of the guide rod is connected with the push plate and penetrates through the pipe spring, and the other end of the guide rod is slidably arranged in the guide hole.
6. The positioning device of claim 1, wherein: the positioning device further comprises a levelness adjusting structure, the levelness adjusting structure comprises an adjusting seat, an adjusting disc and an adjusting screw, the adjusting seat is slidably arranged on the reference surface, the adjusting disc abuts against the watchcase, one end of the adjusting screw is connected with the adjusting disc, the other end of the adjusting screw is connected with the adjusting seat, the adjusting seat is provided with an adjusting threaded hole, and the other end of the adjusting screw is screwed in the adjusting threaded hole.
7. The positioning device of claim 6, wherein: a plurality of anti-skidding grooves are formed in the side face of the adjusting disc, and the anti-skidding grooves are arranged around the adjusting disc at intervals in the circumferential direction.
8. The positioning device of claim 6, wherein: adjust the seat including connecting the regulating plate and the connection of reference surface the regulation post of regulating plate, adjust the screw hole and set up in the terminal surface of regulation post one end, the external diameter of adjustment disk is greater than the external diameter of regulation post.
9. The positioning device of claim 1, wherein: the positioning device further comprises a verticality adjusting structure, the verticality adjusting structure comprises a driving screw rod and an adjusting block, one end of the verticality adjusting structure is connected with the driving screw rod of the reference platform, the adjusting screw hole is formed in the reference platform, the hole depth direction of the adjusting screw hole is horizontally arranged, and the other end of the driving screw rod is screwed in the adjusting screw hole.
10. An ear hole measuring instrument for measuring an ear hole of a watch case, comprising: a support with one end connected to the reference base, a measuring meter connected to the other end of the support and used for measuring a meter case, and a positioning device according to any one of claims 1-9.
CN201922498874.5U 2019-12-31 2019-12-31 Positioning device and earhole measuring instrument Active CN211147537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922498874.5U CN211147537U (en) 2019-12-31 2019-12-31 Positioning device and earhole measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922498874.5U CN211147537U (en) 2019-12-31 2019-12-31 Positioning device and earhole measuring instrument

Publications (1)

Publication Number Publication Date
CN211147537U true CN211147537U (en) 2020-07-31

Family

ID=71756467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922498874.5U Active CN211147537U (en) 2019-12-31 2019-12-31 Positioning device and earhole measuring instrument

Country Status (1)

Country Link
CN (1) CN211147537U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112213032A (en) * 2020-11-27 2021-01-12 四川航天长征装备制造有限公司 Vertical adjusting device of mass center measuring table

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112213032A (en) * 2020-11-27 2021-01-12 四川航天长征装备制造有限公司 Vertical adjusting device of mass center measuring table

Similar Documents

Publication Publication Date Title
CN201964854U (en) Special measuring tool for clamp spring slot of internal and external spherical cage external starwheels
CN203011294U (en) Device for accurate dimension measurement
CN110296641B (en) Vernier caliper for measuring pitch of holes
CN211147537U (en) Positioning device and earhole measuring instrument
CN108868166B (en) Common inclination angle zero component installation positioning ruler in steel structure and use method
CN111288947A (en) Stay wire type displacement sensor calibration device and calibration method
CN103206603A (en) Leveling method of supporting platform
CN110253050B (en) Portable accurate control's tapping mechanism that punches
CN111351440A (en) Measuring device based on grating ruler
CN209524836U (en) A kind of expansion string type dial bore gage calibration tool
CN210108208U (en) Axle type product length measurement device
CN115488492A (en) Laser machine tool body guide rail installation device and straightening method thereof
CN114076554B (en) Tool and method for assembling tape-measuring caliper meter
CN107478136B (en) Device and method for measuring opening of oblique side surfaces at two ends of concave part in diesel engine frame
CN108132018B (en) Calibration method
CN102278929A (en) Watch earhole measuring instrument
US4335518A (en) Thread gaging instrument
KR20180107493A (en) Thickness gauge
CN110108527B (en) Positioning structure special for gauge length instrument
CN2911611Y (en) Regulatable precision probe fixer
TWI618918B (en) Length measuring device
CN106546152B (en) height gauge
CN210464317U (en) Spring free height screening tool
CN106546151B (en) A kind of height gauge
KR102537674B1 (en) Edge Distance Measuring Device for Bridge Safety Inspection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant