CN201892778U - Reflector - Google Patents

Abstract

The utility model belongs to the field of optical components and parts and concretely relates to an optical reflector. Two crosswise-arranged reflecting surfaces are arranged on the optical reflector, the pointed directions of the reflecting rays of the reflecting surfaces are identical and mutually parallel, and the range of light beams reflected by the crosswise-arranged reflecting surfaces is larger than that of the light beams reflected by a unit reflecting surface. Because the range of the light beams reflected by the crosswise-arranged reflecting surfaces is almost two times larger than that of the light beams reflected by the unit reflecting surface, the light-beam reflecting range is increased, and the measurement for large-diameter materials is ensured.

Description

A kind of reflective mirror

Technical field

The utility model belongs to the optical component field, is specifically related to a kind of optical mirror.

Background technology

The utility model is applicable to any optical instrument that uses parallel beam to carry out optical measurement, to be used to provide the parallel beam of big range of exposures.

The utility model is particularly useful for telescope calliper, to be used to be provided in the caliper of equal type, can carry out the measuring operation of larger diameter line bar.

Nowadays, increasing optical instrument brings into use parallel beam as its measurement light source, and along with the miniaturization day by day of surveying instrument, each components and parts more and more simplify and between equal arranged adjacent, made obstacle for the direct transmission and the measurement of measuring beam, this just inevitably need be applied to the turnover that reflective mirror carries out light source, to realize finally measuring purpose.Since parallel beam before reflection and the reflection after range of exposures be invariable, in other words, the range of exposures of the parallel beam that you provided has much, in any case through reflection, finally shining the range of exposures of measuring on the thing just has much, like this when measuring object (when being less than or equal to the diameter of excellent wire rod material to be measured) for the time than big article as the radial width of the parallel beam of reflective mirror reflection, original optical instrument just can't be carried out measurement at all, can only be by changing the type of instrument, select for use the instrument or the source of parallel light of bigger model to solve, thereby increased the measurement cost.

Summary of the invention

The purpose of this utility model provides a kind of reflective mirror that increases the parallel beam reflected range.

For achieving the above object, the utility model has adopted following technical scheme: a kind of reflective mirror, described reflective mirror is provided with the reflecting surface of two cross-shaped layouts, the reflection ray direction of its reflecting surface is identical and be parallel to each other, and its scope of reflecting surface beam reflected of described cross-shaped layout is greater than unit reflecting surface beam reflected scope.

The beneficial effects of the utility model are: after adopting said structure, because its its scope of cross-like reflecting surface beam reflected almost will increase than unit reflecting surface beam reflected scope and be twice, thereby increased the beam reflection scope, guaranteed measurement the major diameter material.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a part-structure synoptic diagram of the present utility model;

Fig. 3 is the partial enlarged drawing of Fig. 2;

Fig. 4 is the structural representation of pedestal 31 and pad;

Fig. 5 is the structural representation of pedestal 32 and pad;

Fig. 6 is the claw structure synoptic diagram;

Fig. 7 is the pressure strip structural representation.

Embodiment

A kind of reflective mirror, described reflective mirror is provided with the reflecting surface of two cross-shaped layouts, the reflection ray direction of its reflecting surface is identical and be parallel to each other, and its scope of reflecting surface beam reflected of described cross-shaped layout is greater than unit reflecting surface beam reflected scope.

Further preferred implementation of the present utility model is: reflective mirror comprises two reflecting piece 10,20, be the minute surface arranged crosswise between the described reflecting piece 10,20, its scope of light beam of reflecting piece 10,20 direct reflections of described cross-shaped layout is greater than the light beam scope of unit direct reflection, shown in Fig. 1-2.The utility model is when using, the reflected light that its reflecting surface reflects points to excellent wire rod material to be measured position, and reflecting surface is parallel with the direct of travel of excellent wire rod material to be measured, its parallel beam emissive source is respectively arranged one group corresponding to two reflecting piece 10,20, i.e. the corresponding one group of parallel beam emissive source of two reflecting piece, 10,20 difference.

Further, consider that measurement requires bigger usually in its zone radially with parallel beam usually, and its axial direction there is no too many requirement, as long as have the appropriate area scope, therefore, two reflecting piece 10 of the present utility model, the rectangle cross sectional shape basically identical of 20 mirror shape and parallel beam gets final product, minute surface length direction behind the ornaments of its eyeglass is also accordingly consistent with the length direction of the radial section of parallel beam, when guaranteeing reliable folded light beam, to guarantee the as far as possible little inner space that takies surveying instrument, also reduced simultaneously cost, the end distance that suspends of catoptron is less from the distance that base plate is installed simultaneously, this kind layout is especially when the installation base plate is vertically arranged and is in rotary state, the moment of flexure that shaft was born when the reducing of its length that suspends helped reducing its rotation, as shown in Figure 1, simultaneously, reflecting piece 10, approaching and the cross-shaped layout of 20 1 end minor faces.

Further, two reflecting piece, 10,20 minute surfaces are that symmetrical chiasma is arranged, angle is 90 degree between its two minute surface, as shown in Figure 1.When the utility model uses, two reflecting piece 10,20 turn to 90 degree respectively with two relative parallel beams that sent by the parallel beam emissive source, becoming unidirectional parallel beam shines on the testee, thereby for imaging measurement provides light source, simultaneously, because being symmetrical chiasma, arrange two reflecting piece, 10,20 minute surfaces, two parallel beam emissive sources of its correspondence also certainly will be symmetric arrangement, when the utility model apply to rotary caliper or and so on the similar surveying instrument time, the correct counterweight when also allotment being installed, guarantee that its spin stabilization provides assurance for it.

As further preferred version of the present utility model, be to realize reflecting piece 10,20 in the secure fixation of installing on the base plate, reflective mirror has also comprised and has been used for the clamping and the fixing base 30 of reflecting piece 10,20, shown in Fig. 1-2 and Fig. 4-5.

With further, reflecting piece 10,20 is a rectangular parallelepiped.Because its incident beam comes the reflecting surface of reflecting piece 10,20 is shone for dividing two-way, can realize the more measurement purpose of minor diameter line bar for guaranteeing its light beam that reflects, one side of two reflecting piece 10,20 is fitted and is provided with, to guarantee that two parallel beams that reflect from reflective mirror can produce superposition section, can guarantee like this that excellent wire rod material diameter to be measured is littler also can be in the optical imagery regional extent of measuring together, as shown in Figure 1.For realizing the secure fixation of 30 of reflecting piece 10,20 and bases, described base 30 corresponding reflecting piece 10,20 are provided with two pedestals 31,32, which is provided with the groove 311,321 that coincide with reflecting piece 10,20 profiles, described reflecting piece 10,20 is arranged in the groove 311,321, shown in Fig. 4-5.

For further realizing reflecting piece 10,20 and the secure fixation of 30 of bases, groove 311,321 for to run through pedestal 31 along its flute length direction, 32 are provided with, described groove 311,321 length and reflecting piece 10,20 length are coincide, described pedestal 31,32 at groove 311,321 two ends are provided with and are used for fixing reflecting piece 10, the claw 40 of 20 both ends of the surface, one end of described claw 40 is fixed on pedestal 31, on 32, the other end of claw 40 fastens in reflecting piece 10, on the minute surface at 20 two ends, the middle part of claw 40 is resisted against reflecting piece 10, on 20 the both ends of the surface, thereby fastening of claw 40 in reflecting piece 10, end on 20 minute surfaces and groove 311, be construed as limiting the spacing cooperation of catoptron between 321 bottom lands along the minute surface movement in vertical direction, and claw 40 middle parts are inboard and groove 311,321 liang of position-limiting actions that cell wall has then been realized catoptron is moved along its minute surface parallel direction are shown in Fig. 1-2 and 4-5.

As the further preferred version of the utility model, between the both ends of reflecting piece 10,20 relative its minute surface one sides and groove 311,321 bottom lands, be provided with pad 50 between reflecting piece 10,20 minute surface two ends and claw 40 medial surfaces, wherein, the pad 50 of She Zhiing also helps reflecting piece 10,20 is carried out the location, two ends in the minute surface movement in vertical direction at effective restriction catoptron herein, thereby for 30 of reflecting piece 10,20 and bases reliable affixed provides assurance, shown in Fig. 2-5.

Further, claw 40 is the sheet of end bending, and described claw 40 bolts are fixed on the pedestal 31,32 at groove 311,321 two ends, also are provided with the pressure strip 60 that is used to compress claw 40 between the nut of described claw 40 and bolt.The pressure strip 60 here is mainly used in the inboard and pedestal 31,32 of claw 40 flat segments and is positioned at compressing between the both ends of the surface at groove 311,321 places, as Fig. 1-2 and shown in Figure 7.

Further, as Fig. 1-3 and shown in Figure 6, claw 40 integral body of the present utility model form for thin plate bends, described claw 40 comprises flat part 41 and hook slot part 42, the edge 421 of described hook slot part 42 is pressed on reflecting piece 10, on the minute surface at 20 two ends, the elasticity that itself is provided by hook slot part 42 realizes reflecting piece 10, in good time compressing of the minute surface at 20 two ends, and to be modes of face contact be pressed on the pad 50 at edge 421, touch reflecting piece 10 by pad 50 faces again, 20 place, two ends, thereby by guaranteeing reflecting piece 10, two reflecting piece 10 are guaranteed in the pressurized equilibrium at 20 place, two ends, 20 minute surfaces when being held are straight.

Shown in Fig. 1-2 and Fig. 4-5, the infall of two reflecting piece 10,20 is fitted mutually, groove cell wall 311a on the pedestal 31,32 at its sticking part place, 321b length are less than the groove cell wall 311b of the opposite side of relative its sticking part, the length of 321a, simultaneously, the length of described groove cell wall 311a and groove cell wall 321b is coincide, thereby reaches the purpose of the intersection applying of two reflecting piece, 10,20 sides by the space that groove cell wall 311a and cell wall 321b place cooperate the back to be reserved.

Claims (11)

1. reflective mirror, it is characterized in that: described reflective mirror is provided with the reflecting surface of two cross-shaped layouts, the reflection ray direction of its reflecting surface is identical and be parallel to each other, and its scope of reflecting surface beam reflected of described cross-shaped layout is greater than unit reflecting surface beam reflected scope.

2. reflective mirror according to claim 1, it is characterized in that: described reflective mirror comprises two reflecting piece (10,20), described reflecting piece is the minute surface arranged crosswise between (10,20), and its scope of light beam of the reflecting piece of described cross-shaped layout (10,20) direct reflection is greater than the light beam scope of unit direct reflection.

3. reflective mirror according to claim 2 is characterized in that: the minute surface of described two reflecting piece (10,20) all is rectangle, the approaching and cross-shaped layout of one end minor face.

4. according to claim 2 or 3 described reflective mirrors, it is characterized in that: described two reflecting piece (10,20) minute surface is that symmetrical chiasma is arranged, angle is 90 degree between its two minute surface.

5. reflective mirror according to claim 1 is characterized in that: described reflective mirror also comprises and is used for the clamping and the fixing base (30) of reflecting piece (10,20).

6. reflective mirror according to claim 1 or 5, it is characterized in that: described reflecting piece (10,20) is fitted for a side of rectangular parallelepiped and two reflecting piece (10,20) and is provided with, the corresponding reflecting piece of described base (30) (10,20) is provided with two pedestals (31,32), which is provided with the groove (311,321) that coincide with reflecting piece (10,20) profile, described reflecting piece (10,20) is arranged in the groove (311,321).

7. reflective mirror according to claim 6, it is characterized in that: described groove (311,321) for to run through pedestal (31 along its flute length direction, 32) be provided with, described groove (311,321) length and reflecting piece (10,20) length is coincide, described pedestal (31,32) at groove (311,321) two ends are provided with and are used for fixing reflecting piece (10,20) claw of both ends of the surface (40), one end of described claw (40) is fixed on pedestal (31,32) on, the other end of claw (40) fastens in reflecting piece (10, on the minute surface at two ends 20), the middle part of claw (40) is resisted against reflecting piece (10,20) on the both ends of the surface.

8. reflective mirror according to claim 7 is characterized in that: described reflecting piece (10,20) relatively between the both ends and groove (311,321) bottom land of its minute surface one side, be provided with pad (50) between reflecting piece (10,20) minute surface two ends and claw (40) medial surface.

9. reflective mirror according to claim 7, it is characterized in that: described claw (40) is the sheet of end bending, described claw (40) bolt is fixed on the pedestal (31,32) at groove (311,321) two ends, also is provided with the pressure strip (60) that is used to compress claw (40) between the nut of described claw (40) and bolt.

10. reflective mirror according to claim 7, it is characterized in that: described claw (40) is whole to form for thin plate bends, described claw (40) comprises flat part (41) and hook slot part (42), and the edge (421) of described hook slot part (42) is pressed on the minute surface at two ends of reflecting piece (10,20).

11. reflective mirror according to claim 7, it is characterized in that: the infall of described two reflecting piece (10,20) is fitted mutually, groove cell wall (311a, 321b) length on the pedestal at its sticking part place (31,32) is less than the length of the groove cell wall (311b, 321a) of the opposite side of relative its sticking part, and described groove cell wall (311a) coincide with both length of groove cell wall (321b).

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