CN205209957U - Rotation type gem refractometer - Google Patents
Rotation type gem refractometer Download PDFInfo
- Publication number
- CN205209957U CN205209957U CN201521051951.8U CN201521051951U CN205209957U CN 205209957 U CN205209957 U CN 205209957U CN 201521051951 U CN201521051951 U CN 201521051951U CN 205209957 U CN205209957 U CN 205209957U
- Authority
- CN
- China
- Prior art keywords
- refractometer
- chamber
- holder
- main body
- rotational cylindrical
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a rotation type gem refractometer includes the refractometer main part at least, and refractometer main part below is equipped with the fixing base, and the refractometer main part is installed in the fixing base through the rotary device who is located the fixing base center, the 0~10mm at the upper surface interval of the lower surface of refractometer main part and fixing base, rotary device is including changeing mobile core and overlapping in the bearing that changes the mobile core middle part, has offered the top open -ended in the fixing base and has rotated the chamber, and the bearing is fixed in in the opening that rotates the chamber and bearing inner race links firmly with the fixing base, the lower extreme that changes mobile core be arranged in rotate the chamber, the upper end links to each other with the refractometer main part, being equipped with in the fixing base along the balanced chamber of circumference equipartition around rotating the chamber more than 2, being equipped with tension spring and balanced place kick in the balanced chamber, offered annular compensating groove on the lower surface of refractometer main part, the top of balanced place kick is arranged in annular compensating groove, this gem refractometer is rotatable, rotates steadily and convenient to use.
Description
Technical field
The utility model provides a kind of rotary gem refractometer, belongs to Jewellery Appraising Instruments technical field.
Background technology
The principle of work of refractometer is based upon on the basis of total internal reflection, carries out the critical angle of measuring jewel, and reading is directly changed into refractive index value.When in use mutually observing between observer, usually repeatedly to move instrument adjustment angle, affect observing effect.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of rotary gem refractometer, and this gem refractometer is rotatable, stability of rotation and easy to use.
Realizing the technical scheme that the utility model object adopts is, a kind of rotary gem refractometer, at least comprise refractometer main body, holder is provided with below refractometer main body, refractometer main body is installed on holder by the whirligig being positioned at holder center, the lower surface of refractometer main body and the upper surface interval 0 ~ 10mm of holder; Described whirligig comprises rotating core and is placed on the bearing in the middle part of rotating core, the rotation chamber of upper end open is offered in holder, bearing is fixed on and rotates in chamber and bearing outer ring and holder are connected, and the lower end of rotating core is arranged in rotation chamber, upper end is connected with refractometer main body.
The counter balance pocket of more than 2 upper end open is provided with in holder, counter balance pocket is circumferentially distributed in rotates around chamber, the place kick of tension spring peace weighing apparatus is provided with in counter balance pocket, the lower end of tension spring is connected with at the bottom of the chamber of counter balance pocket, upper end is connected and balances place kick, the lower surface of refractometer main body offers annular compensating groove, the top of balance place kick protrudes from holder upper surface and is arranged in annular compensating groove, balance place kick and annular compensating groove clearance fit.
Described rotating core comprises rotation ball cover and is embedded in the Rotational Cylindrical of rotating in ball cover, and the shape of rotating chamber matches and both clearance fit with rotation ball cover, and bearing is fixed on the opening part rotating chamber, rotates ball cover and is positioned at below bearing.
Sidewall bottom Rotational Cylindrical is provided with spline lug, and spline lug embeds and rotates in ball cover.
Described Rotational Cylindrical entirety is in inverted T shape, and the top of Rotational Cylindrical is fixed with flange.
Be provided with the fastening base of hollow in refractometer main body, fastening base button covers in the upper end of Rotational Cylindrical, described fastening base entirety in I shape, Rotational Cylindrical and fastening base and fastening base and the equal interference fit of refractometer main body.
The lower surface of refractometer main body is provided with friction washer, and friction washer is placed in Rotational Cylindrical, and the lower surface of friction washer contacts with the upper surface of holder.
As shown from the above technical solution, the rotary gem refractometer that the utility model provides, by whirligig, refractometer main body is installed on above holder, the lower surface of refractometer main body and the upper surface interval 0 ~ 10mm of holder, to realize refractometer main body and the relative rotation between holder; Whirligig comprises rotating core and is placed on the bearing in the middle part of rotating core, and rotating core is connected with refractometer main body, and bearing outer ring is connected with holder, realize the rotation of refractometer main body, be convenient to observer from the enterprising line operate of diverse location, need not move around entirety, easy to use.
There is in the middle part of holder rotation chamber, the inner connection of rotating ball in described rotation chamber, described roating sphere is rotated in rotation chamber, described rotation ball cover inside has Rotational Cylindrical pickup groove, the inner connection of rotating column bottom of described Rotational Cylindrical pickup groove, bottom described Rotational Cylindrical, sidewall has spline lug, prevent Rotational Cylindrical from moving in the transfer of rotation ball cover, described refractometer lower body part has fastening base mounting groove, described fastening base mounting groove is I shape, described fastening base mounting groove connects fastening base, the structure of this I shape makes fastening base be fixed in fastening base mounting groove closely, coordinate closely, solid and reliable.
Rotate around chamber and be uniformly distributed with counter balance pocket along the circumference, the place kick of counter balance pocket built-in tension spring peace weighing apparatus, tension spring top connects balance place kick, the top of balance place kick to embed in annular compensating groove and with annular compensating groove clearance fit, during refractometer body rotation, balance place kick is rotated in annular compensating groove, counter balance pocket is circumferentially uniform around rotation chamber, spring in each counter balance pocket provides multi-point support for refractometer main body, ensure the stability of rotation of refractometer main body, can not identification result be affected; Friction washer is certainly as resilient material, and the lower surface that friction washer is contacts with the upper surface of holder, provides certain frictional resistance when refractometer body rotation, avoids refractometer body rotation too fast.
Accompanying drawing explanation
The structural representation of the rotary gem refractometer that Fig. 1 provides for the utility model.
Fig. 2 is the structural representation of whirligig.
Wherein, 1-refractometer main body, 2-holder, 3-rotates chamber, and 4-rotates ball cover, 5-Rotational Cylindrical pickup groove, 6-Rotational Cylindrical, 7-balances place kick, 8-spline lug, 9-bearing, 10-fastening base mounting groove, 11-fastening base, 12-friction washer, 13-flange, 14-annular compensating groove, 15-counter balance pocket, 16-tension spring.
Embodiment
Illustrate in detail the utility model below in conjunction with drawings and Examples, content of the present utility model is not limited to following examples.
The rotary gem refractometer that the utility model provides, its structure as shown in Figure 1, comprise refractometer main body 1, holder 2 and whirligig, whirligig is positioned at holder center, refractometer main body is installed on holder by whirligig, the lower surface of refractometer main body and the upper surface interval 0 ~ 10mm of holder, see Fig. 2, described whirligig comprises rotating core and is placed on the bearing 9 in the middle part of rotating core, rotating core comprises the Rotational Cylindrical 6 of rotating ball cover 4 and being embedded in rotation ball cover, described Rotational Cylindrical entirety is in inverted T shape, the lower end of Rotational Cylindrical 6 embeds in the Rotational Cylindrical pickup groove 5 rotating and offer in ball cover 4, sidewall bottom Rotational Cylindrical is provided with spline lug 8, spline lug embeds and rotates in ball cover, the top of Rotational Cylindrical 6 is fixed with flange 13, the rotation chamber 3 of upper end open is offered in holder 2, the shape of rotating chamber matches and both clearance fit with rotation ball cover 4, bearing 9 be fixed on rotate chamber opening in and bearing outer ring and holder be connected, rotating ball cover 4 is positioned at below bearing 9, the counter balance pocket 15 of more than 2 upper end open is provided with in holder, counter balance pocket is uniformly distributed along the circumference around rotation chamber, the place kick 7 of tension spring 16 peace weighing apparatus is provided with in counter balance pocket, be connected at the bottom of the lower end of tension spring and the chamber of counter balance pocket, upper end connects balance place kick, the lower surface of refractometer main body offers annular compensating groove 14, the top of balance place kick protrudes from holder upper surface and is arranged in annular compensating groove, fastening base mounting groove 10 is offered in refractometer main body, the fastening base 11 of hollow is provided with in fastening base mounting groove 10, fastening base button covers in the upper end of Rotational Cylindrical 6, flange 13 is fixed in the hollow cavity of fastening base, described fastening base entirety in I shape, Rotational Cylindrical 6 and fastening base 11 and fastening base interference fit equal to fastening base mounting groove 10, the lower surface of refractometer main body is provided with friction washer 12, friction washer is placed in Rotational Cylindrical, and the lower surface of friction washer contacts with the upper surface of holder.
Claims (7)
1. a rotary gem refractometer, at least comprise refractometer main body, it is characterized in that: be provided with holder below refractometer main body, refractometer main body is installed on holder by the whirligig being positioned at holder center, the lower surface of refractometer main body and the upper surface interval 0 ~ 10mm of holder; Described whirligig comprises rotating core and is placed on the bearing in the middle part of rotating core, the rotation chamber of upper end open is offered in holder, bearing is fixed on and rotates in chamber and bearing outer ring and holder are connected, and the lower end of rotating core is arranged in rotation chamber, upper end is connected with refractometer main body.
2. rotary gem refractometer according to claim 1, it is characterized in that: the counter balance pocket being provided with more than 2 upper end open in holder, counter balance pocket is circumferentially distributed in rotates around chamber, the place kick of tension spring peace weighing apparatus is provided with in counter balance pocket, the lower end of tension spring is connected with at the bottom of the chamber of counter balance pocket, upper end is connected and balances place kick, the lower surface of refractometer main body offers annular compensating groove, the top of balance place kick protrudes from holder upper surface and is arranged in annular compensating groove, balance place kick and annular compensating groove clearance fit.
3. rotary gem refractometer according to claim 1, it is characterized in that: described rotating core comprises the Rotational Cylindrical of rotating ball cover and being embedded in rotation ball cover, the shape of rotating chamber matches and both clearance fit with rotation ball cover, bearing is fixed on the opening part rotating chamber, rotates ball cover and is positioned at below bearing.
4. rotary gem refractometer according to claim 3, is characterized in that: the sidewall bottom Rotational Cylindrical is provided with spline lug, and spline lug embeds and rotates in ball cover.
5. rotary gem refractometer according to claim 3, is characterized in that: described Rotational Cylindrical entirety is in inverted T shape, and the top of Rotational Cylindrical is fixed with flange.
6. rotary gem refractometer according to claim 3, it is characterized in that: the fastening base being provided with hollow in refractometer main body, fastening base button covers in the upper end of Rotational Cylindrical, described fastening base entirety in I shape, Rotational Cylindrical and fastening base and fastening base and the equal interference fit of refractometer main body.
7. rotary gem refractometer according to claim 5, it is characterized in that: the lower surface of refractometer main body is provided with friction washer, friction washer is placed in Rotational Cylindrical, and the lower surface of friction washer contacts with the upper surface of holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051951.8U CN205209957U (en) | 2015-12-16 | 2015-12-16 | Rotation type gem refractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521051951.8U CN205209957U (en) | 2015-12-16 | 2015-12-16 | Rotation type gem refractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209957U true CN205209957U (en) | 2016-05-04 |
Family
ID=55847666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521051951.8U Expired - Fee Related CN205209957U (en) | 2015-12-16 | 2015-12-16 | Rotation type gem refractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205209957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500426A (en) * | 2016-11-12 | 2017-03-15 | 中科芯威科技无锡有限公司 | Battery powered intelligent mobile refrigeration case can be adopted |
| CN108267405A (en) * | 2018-03-19 | 2018-07-10 | 龚可欣 | Gem refractometer fixes swivel mount with jewel |
-
2015
- 2015-12-16 CN CN201521051951.8U patent/CN205209957U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500426A (en) * | 2016-11-12 | 2017-03-15 | 中科芯威科技无锡有限公司 | Battery powered intelligent mobile refrigeration case can be adopted |
| CN108267405A (en) * | 2018-03-19 | 2018-07-10 | 龚可欣 | Gem refractometer fixes swivel mount with jewel |
| CN108267405B (en) * | 2018-03-19 | 2023-11-28 | 龚可欣 | Precious stone fixed rotating frame for precious stone refractometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |