Gem fixing device for polariscope

Abstract

The gem fixing device comprises an annular guide rail assembly and a clamping assembly, the annular guide rail assembly comprises a fixed part and a movable part, and the lower end of the fixed part is fixedly connected with a supporting assembly. The clamping assembly comprises a first rod body vertically and fixedly connected to the upper end of the moving part, a second rod body capable of vertically sliding relative to the first rod body and coaxially rotating relative to the first rod body, a locking piece used for locking the second rod body to the first rod body, and a third rod body horizontally and fixedly connected to the upper end of the second rod body. A gem clamp for clamping a gem is arranged at one end of the third rod body. According to the jewel clamp, the jewel with a small size can be clamped, rotation of the jewel can be achieved through the annular guide rail assembly and the first rod body and the second rod body matched with the annular guide rail assembly, and observation convenience of identification personnel can be improved; in addition, the gemstone can be adjusted to a fixed position and kept fixed for a long time, so that the two hands are liberated, and the convenience is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gem identification technical field, especially relate to a gem fixing device for polariscope. BACKGROUND

[0002] At present, when gem is identified by polariscope, the identification personnel need to hold gem with both hands and rotate gem, but when gem is small, it is very inconvenient to rotate gem with hands, and it is very inconvenient for the identification personnel to observe, in addition, the identification personnel often need to hold gem with one hand and keep a specific position, and hold the light chasing mirror with the other hand to observe the gem characteristic position, which will reduce the stability and durability of single-handed operation. SUMMARY

[0003] The utility model discloses a gem fixing device for polariscope can improve the convenience when gem is identified by polariscope.

[0004] The utility model discloses a gem fixing device for polariscope can improve the convenience when gem is identified by polariscope.

[0005] A gem fixing device for polariscope, comprising:

[0006] The annular guide rail assembly comprises a fixed part and a moving part;

[0007] The support assembly is fixedly connected to the lower end of the fixed part;

[0008] The clamping assembly comprises a first rod body fixedly connected to the upper end of the moving part, a second rod body vertically slidable relative to the first rod body and coaxially rotatable relative to the first rod body, a locking piece for locking the second rod body on the first rod body, and a third rod body fixedly connected to the upper end of the second rod body, one end of the third rod body being provided with a gem clamp for clamping gem.

[0009] The beneficial effects of the above technical scheme are that the gem clamp can clamp small-sized gem, and the annular guide rail assembly, the first rod body and the second rod body can realize the rotation of the gem, which is conducive to improving the convenience of observation for the identification personnel; in addition, the support assembly can make the gem be suspended, the annular guide rail assembly can make the gem rotate around the axis of the annular guide rail assembly, in the clamping assembly, the second rod body can cooperate with the first rod body to make the gem ascend or rotate around the axis of the first rod body, and the locking piece can lock the first rod body and the second rod body, which is conducive to adjusting the gem to a fixed point position and keeping it fixed for a long time, thereby freeing both hands to provide operation convenience for observing the interference figure or other gem phenomena with the light chasing mirror; in summary, the gem fixing device for polariscope can improve the convenience when gem is identified by polariscope.

[0010] Further, the annular guide rail assembly comprises an annular frame and a moving block, the lower end of the annular frame is fixedly connected with the support assembly, the upper end of the moving block is fixedly connected with the first rod body, the upper part of the annular frame is coaxially provided with an annular T-shaped groove with a large lower part, the inner side arc radius of the moving block matches the inner side arc radius of the lower part of the annular T-shaped groove, and the outer side arc radius of the moving block matches the outer side arc radius of the lower part of the annular T-shaped groove.

[0011] The beneficial effects of the above technical scheme are that the moving block can stably slide along the lower part of the annular T-shaped groove and rotate around the axis of the annular frame, so that the gemstone can rotate around the axis of the annular frame.

[0012] Further, a plurality of mounting grooves for mounting steel balls are coaxially arranged on the annular frame, the mounting grooves are located directly below the annular T-shaped groove, and the upper parts of the steel balls are exposed in the annular T-shaped groove.

[0013] The beneficial effects of the above technical scheme are that the moving block can be slidably connected to the lower part of the annular T-shaped groove by the steel balls below the moving block, so that the moving block slides more smoothly.

[0014] Further, the sum of the height of the exposed part of the steel ball and the height of the moving block matches the height of the annular T-shaped groove.

[0015] The beneficial effects of the above technical scheme are that the vertical movement of the moving block is reduced.

[0016] Further, the annular frame comprises two half-ring frames that are detachably connected with each other.

[0017] The beneficial effects of the above technical scheme are that after the connection between the two half-ring frames is released, the steel balls, the moving block and the first rod body can be conveniently loaded into the half-ring frames, and then the two half-ring frames can be restored to the connection relationship.

[0018] Further, the end of the first rod body close to the moving block is provided with a threaded part, and the part of the threaded part exposed outside the annular T-shaped groove is threadedly connected with a fastening nut.

[0019] The beneficial effects of the above technical scheme are that by screwing the fastening nut, the lower end surface of the fastening nut can act on the upper end surface of the annular frame, and the moving block can be fastened on the annular frame to avoid the sliding of the moving block and the rotation of the gemstone around the axis of the annular frame; by unscrewing the fastening nut in the opposite direction, the moving block is no longer fastened on the annular frame, so that the gemstone can rotate around the axis of the annular frame.

[0020] Further, the support assembly comprises four vertical support columns, and the lower end of the fixed part is uniformly fixedly connected with the four vertical support columns in the circumferential direction.

[0021] Further, the lower end of the vertical support column is provided with an anti-skid pad.

[0022] Further, the lower part of the second rod body is coaxially provided with a circular hole, the upper part of the first rod body is inserted into the circular hole, the diameter of the circular hole matches the diameter of the upper part of the first rod body, and the side wall of the circular hole is vertically provided with a plurality of horizontally extending threaded holes, and the locking member comprises fastening screws threadedly connected with the threaded holes.

[0023] The beneficial effects of the above technical scheme are that the first rod body can vertically slide in the circular hole and can rotate in the circular hole, so that the relative vertical sliding of the first rod body and the second rod body can be realized, the height of the gemstone can be conveniently adjusted, the relative rotation of the first rod body and the second rod body can be realized, and the angle of the gemstone can be conveniently adjusted; in addition, the fastening screws can fasten the second rod body on the first rod body, so that the gemstone can be kept stable at the adjusted angle.

[0024] Further, the third rod body is provided with a hand grip at the end away from the gemstone clamp.

[0025] The beneficial effects of the present utility model are that:

[0026] The gemstone clamp can clamp a gemstone with a small size, and the rotation of the gemstone can be realized through the annular guide rail assembly and the matched first rod body and second rod body, which is beneficial to improve the convenience of observation of an identification personnel; in addition, the support assembly can make the gemstone be suspended, the annular guide rail assembly can make the gemstone rotate around the axis of the annular guide rail assembly, in the clamping assembly, the second rod body can cooperate with the first rod body to make the gemstone ascend or descend or rotate around the axis of the first rod body, and the locking member can lock the first rod body and the second rod body, which is beneficial to adjust the gemstone to a fixed position and keep it fixed for a long time, thereby freeing the hands to provide operation convenience for observing an interference figure or other gemstone phenomena with a polariscope, and the polariscope gemstone fixing device can improve the convenience when identifying a gemstone with a polariscope. BRIEF DESCRIPTION OF DRAWINGS

[0027] In the following, the present utility model will be described in more detail based on embodiments and with reference to the drawings.

[0028] Among them:

[0029] Figure 1 The structure schematic view of the present utility model is shown;

[0030] Figure 2 The structure schematic view of the annular frame in the present utility model is shown;

[0031] In the drawings, the same components use the same reference signs. The drawings are not in accordance with the actual scale.

[0032] Reference signs:

[0033] 1, ring frame; 101, ring T-shaped groove; 102, mounting groove; 2, steel ball; 3, moving block; 4, first rod body; 5, fastening nut; 6, second rod body; 601, round hole; 602, threaded hole; 7, fastening screw; 8, third rod body; 9, gemstone clamp; 10, hand grip; 11, vertical support column; 12, non-slip pad. DETAILED DESCRIPTION

[0034] The utility model will be further explained in connection with the drawings below.

[0035] The utility model provides a gemstone fixing device for polariscope, as shown in Figure 1 and Figure 2 It comprises:

[0036] The annular guide rail assembly comprises a fixed part and a moving part.

[0037] The support assembly is fixedly connected to the lower end of the fixed part.

[0038] The clamping assembly comprises a first rod body 4 vertically fixedly connected to the upper end of the moving part, a second rod body 6 vertically slidable relative to the first rod body 4 and coaxially rotatable relative to the first rod body 4, a locking member for locking the second rod body 6 on the first rod body 4, and a third rod body 8 horizontally fixedly connected to the upper end of the second rod body 6. One end of the third rod body 8 is provided with a gemstone clamp 9 for clamping a gemstone. The end of the third rod body 8 away from the gemstone clamp 9 is provided with a hand grip 10.

[0039] It can be understood that the gemstone clamp 9 can clamp a gemstone with a smaller size, and the rotation of the gemstone can be realized through the annular guide rail assembly and the first rod body 4 and the second rod body 6 matched therewith, which is conducive to improving the convenience of observation for the appraiser. In addition, the support assembly can make the gemstone stand on the air, the annular guide rail assembly can make the gemstone rotate around the axis of the annular guide rail assembly, in the clamping assembly, the second rod body 6 can cooperate with the first rod body 4 to make the gemstone ascend or descend or rotate around the axis of the first rod body 4, and the locking member can lock the first rod body 4 and the second rod body 6, which is conducive to adjusting the gemstone to a fixed point position and keeping it fixed for a long time, thereby freeing the hands to provide operational convenience for observing the interference figure or other gemstone phenomena with the polariscope. In summary, the gemstone fixing device for polariscope can improve the convenience when identifying gemstones with the polariscope.

[0040] Specifically, the ring-shaped guide rail assembly comprises a ring-shaped frame 1 and a moving block 3, the lower end of the ring-shaped frame 1 is fixedly connected with a support assembly, the upper end of the moving block 3 is fixedly connected with a first rod body 4, the upper part of the ring-shaped frame 1 is coaxially provided with a ring-shaped T-shaped groove 101 with a large lower part, the inner side arc radius of the moving block 3 matches the inner side arc radius of the lower part of the ring-shaped T-shaped groove 101, and the outer side arc radius of the moving block 3 matches the outer side arc radius of the lower part of the ring-shaped T-shaped groove 101; wherein the inner side here refers to the side close to the axis of the ring-shaped frame 1, and the outer side here refers to the side away from the axis of the ring-shaped frame 1.

[0041] It can be understood that in this way, the moving block 3 can stably slide along the lower part of the ring-shaped T-shaped groove 101 and rotate around the axis of the ring-shaped frame 1, so that the gemstone can rotate around the axis of the ring-shaped frame 1.

[0042] In an embodiment, a plurality of mounting grooves 102 for mounting the steel balls 2 are coaxially arranged on the ring-shaped frame 1, the mounting grooves 102 are located directly below the ring-shaped T-shaped groove 101, and the upper part of the steel ball 2 is exposed in the ring-shaped T-shaped groove 101.

[0043] It can be understood that in this way, the moving block 3 can be slidably connected to the lower part of the ring-shaped T-shaped groove 101 by relying on the steel balls 2 below the moving block 3, so that the moving block 3 slides more smoothly.

[0044] It should be noted that the steel balls 2 are of the same size, and the cross-sectional dimension of the mounting groove 102 matches the lower part of the steel ball 2.

[0045] In an embodiment, the sum of the height of the exposed part of the steel ball 2 and the height of the moving block 3 matches the height of the ring-shaped T-shaped groove 101, so as to facilitate reducing the vertical movement of the moving block 3.

[0046] In an embodiment, the ring-shaped frame 1 comprises two half-ring frames which are detachably connected with each other.

[0047] It can be understood that after the connection relationship between the two half-ring frames is released, the steel balls 2, the moving block 3 and the first rod body 4 can be conveniently loaded into the half-ring frames, and then the two half-ring frames can be restored to the connection relationship.

[0048] It should be noted that the two sides of the half-ring frame can be provided with connecting ears and connected by bolts.

[0049] In an embodiment, the end of the first rod body 4 close to the moving block 3 is provided with a threaded part, and a fastening nut 5 is threadedly connected to the part of the threaded part exposed outside the ring-shaped T-shaped groove 101.

[0050] It can be understood that the fastening nut 5 is screwed to make the lower end surface of the fastening nut 5 act on the upper end surface of the annular frame 1, and the moving block 3 is fastened on the annular frame 1, so as to avoid the moving block 3 from sliding, thereby avoiding the gem from rotating around the axis of the annular frame 1; the fastening nut 5 is unscrewed in the reverse direction, so that the moving block 3 is not fastened on the annular frame 1, thereby enabling the gem to rotate around the axis of the annular frame 1.

[0051] In one embodiment, the support assembly comprises four vertical support columns 11, and the lower end of the annular frame 1 is fixedly connected to the four vertical support columns 11 uniformly in the circumferential direction.

[0052] It should be noted that when the gem fixing device for polarizer is installed at the polarizer, two vertical support columns 11 are located at one side of the polarizer, and the other two vertical support columns 11 are located at the other side of the polarizer.

[0053] In one embodiment, the lower end of the vertical support column 11 is provided with a rubber anti-skid pad 12.

[0054] In one embodiment, the lower part of the second rod body 6 is coaxially provided with a circular hole 601, the upper part of the first rod body 4 is inserted into the circular hole 601, the diameter of the circular hole 601 matches the diameter of the upper part of the first rod body 4, and the side wall of the circular hole 601 is vertically provided with a plurality of horizontally extending threaded holes 602, and the locking member comprises a fastening screw 7 which is threadedly connected with the threaded holes 602.

[0055] It can be understood that the first rod body 4 can vertically slide in the circular hole 601 or rotate in the circular hole 601, so as to realize the relative vertical sliding of the first rod body 4 and the second rod body 6, thereby facilitating the adjustment of the height of the gem, and realize the relative rotation of the first rod body 4 and the second rod body 6, thereby facilitating the adjustment of the angle of the gem; in addition, the fastening screw 7 can fasten the second rod body 6 on the first rod body 4, so that the gem can be kept stable at the adjusted angle.

[0056] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0057] While the application has been described with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It will thus be appreciated that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the present application as defined by the appended claims. It will be understood that the features described in relation to one embodiment can be used in combination with features described in relation to another embodiment.

Claims

1. A gemstone fixing device for polarized glasses, characterized by, The utility model provides a kind of ring rail assembly, support assembly, clamping assembly and ring rail assembly, support assembly, clamping assembly are included. Ring rail assembly includes fixed part and moving part; Support assembly is fixedly connected at the lower end of fixed part; Clamping assembly includes first rod body (4) vertically fixedly connected on the upper end of moving part, second rod body (6) vertically slidable relative to first rod body (4) and coaxially rotatable relative to first rod body (4), locking member for locking second rod body (6) on first rod body (4), third rod body (8) is horizontally fixedly connected on the upper end of second rod body (6), and the one end of third rod body (8) is provided with gem clamp (9) for clamping gem.

2. The gemstone fixation device for polarized glasses according to claim 1, characterized in that, Ring rail assembly includes ring frame (1) and moving block (3), the lower end of ring frame (1) is fixedly connected with support assembly, and the upper end of moving block (3) is fixedly connected with first rod body (4), and the upper part of ring frame (1) is coaxially provided with ring T-shaped groove (101) with large lower part, the inner side arc surface radius of moving block (3) matches the inner side arc surface radius of lower part of ring T-shaped groove (101), and the outer side arc surface radius of moving block (3) matches the outer side arc surface radius of lower part of ring T-shaped groove (101).

3. The gemstone fixation device for polarized glasses according to claim 2, characterized in that, Coaxially provided with several installation grooves (102) for installing steel ball (2) on ring frame (1), and installation grooves (102) are located directly below ring T-shaped groove (101), and the upper part of steel ball (2) is exposed in ring T-shaped groove (101).

4. The gemstone fixation device of claim 3, wherein, The sum of the height of the exposed part of steel ball (2) and the height of moving block (3) matches the height of ring T-shaped groove (101).

5. A gemstone holder for polarized glasses according to any one of claims 2-4, characterized in that, Ring frame (1) includes two half ring frames that can be detachably connected with each other.

6. The gemstone fixation device of claim 2, wherein, The one end of first rod body (4) close to moving block (3) is provided with threaded part, and the part of threaded part exposed outside ring T-shaped groove (101) is screw-connected with fastening nut (5).

7. The gemstone fixation device of claim 1, wherein, Support assembly includes four vertical support columns (11), and the lower end of fixed part is uniformly fixedly connected with four vertical support columns (11) in circumferential direction.

8. The gemstone fixation device of claim 7, wherein, The lower end of vertical support column (11) is provided with antiskid pad (12).

9. The gemstone holder of claim 1, wherein The lower part of second rod body (6) is coaxially provided with circular hole (601), the upper part of first rod body (4) is inserted into circular hole (601), the diameter of circular hole (601) matches the diameter of the upper part of first rod body (4), the side wall of circular hole (601) is vertically provided with several horizontally extending threaded holes (602), and locking member includes fastening screw (7) screw-connected with threaded hole (602).

10. The gemstone holder of claim 1, wherein The one end of third rod body (8) away from gem clamp (9) is provided with handgrip (10).

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