CN102169221B - Reflector - Google Patents

Abstract

The invention belongs to the field of optical element and relates to an optical reflector. The reflector is provided with two crossed reflection sides, wherein the directions pointed by the reflected light of the reflection sides are same and parallel, and the scope of the light beams reflected by the crossed reflection sides is larger than the scope of the light beams reflected by a single reflection side. The scope of the light beams reflected by the crossed reflection sides is almost twice the scope of the light beams reflected by a single reflection side, thereby increasing the light beam reflection scope and ensuring the measurement on large-diameter materials.

Description

A kind of reflective mirror

Technical field

The invention belongs to optical component field, be specifically related to a kind of optical mirror.

Background technology

The present invention is applicable to use parallel beam to carry out any optical instrument of optical measurement, for the parallel beam of larger range of exposures is provided.

The present invention is particularly useful for telescope calliper, for providing in the caliper of equal type, can carry out the measurement operation of larger diameter line bar.

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

Summary of the invention

The object of this invention is to provide a kind of reflective mirror that increases parallel beam reflected range.

For achieving the above object, the present invention has adopted following technical scheme: a kind of reflective mirror, 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 light beam of the reflecting surface reflection of described cross-shaped layout is greater than the light beam scope of unit reflecting surface reflection; Described reflective mirror comprises two reflecting piece, in each reflecting piece, there is the corresponding described reflecting surface arranging, between described reflecting piece, be minute surface arranged crosswise, its scope of light beam of the reflecting piece mirror-reflection of described cross-shaped layout is greater than the light beam scope of unit mirror-reflection; Described reflective mirror also comprises for clamping and the fixing base of reflecting piece; Described reflecting piece is that a side laminating of rectangular parallelepiped and two reflecting piece arranges, and the corresponding reflecting piece of described base arranges two pedestals, which is provided with the groove identical with reflecting piece profile, and described reflecting piece is arranged in groove; Described groove is for to run through pedestal setting along its flute length direction, described groove length and reflecting piece length are coincide, described pedestal is provided with at groove two ends for the fixing claw of reflecting piece both ends of the surface, one end of described claw is fixed on pedestal, the other end of claw fastens on the minute surface at the two ends of reflecting piece, and the middle part of claw is resisted against in the both ends of the surface of reflecting piece.

Beneficial effect of the present invention is: after adopting said structure, its scope of light beam reflecting due to its cross-like reflecting surface almost will increase and be twice than the light beam scope of unit reflecting surface reflection, thereby increased beam reflection scope, guaranteed the measurement to major diameter material.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is part-structure schematic diagram of the present invention;

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 claw structure schematic diagram;

Fig. 7 is 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 light beam of the reflecting surface reflection of described cross-shaped layout is greater than the light beam scope of unit reflecting surface reflection.

Further preferred implementation of the present invention is: reflective mirror comprises two reflecting piece 10,20, in each reflecting piece, there is the corresponding described reflecting surface arranging, between described reflecting piece 10,20, be minute surface arranged crosswise, its scope of light beam of reflecting piece 10,20 mirror-reflections of described cross-shaped layout is greater than the light beam scope of unit mirror-reflection, as shown in Figure 1-2.The present invention is when application, 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, considering to measure requires conventionally larger in its region radially with parallel beam conventionally, and its axial direction there is no too many requirement, as long as there is appropriate area scope, therefore, two reflecting piece 10 of the present invention, the rectangle cross sectional shape of 20 mirror shape and parallel beam is basically identical, minute surface length direction after the ornaments of its eyeglass is also accordingly consistent with the length direction of the radial section of parallel beam, to guarantee the as far as possible little inner space that takies surveying instrument when guaranteeing reliable folded light beam, also reduced cost simultaneously, the end that suspends of catoptron is less apart from the distance of mounting base simultaneously, this kind of layout especially arranged and during in rotary state mounting base is vertical, the moment of flexure that when the reducing of its length that suspends is conducive to reduce its rotation, shaft bears, as shown in Figure 1, simultaneously, reflecting piece 10, 20 one end minor faces approach and cross-shaped layout.

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

As present invention further optimization scheme, for realizing reliable fixing on mounting base of reflecting piece 10,20, reflective mirror has also comprised for clamping and the fixing base 30 of reflecting piece 10,20, as shown in Fig. 1-2 and Fig. 4-5.

With further, reflecting piece 10,20 is rectangular parallelepiped.Because its incident beam is for dividing a two-way to irradiate the reflecting surface of reflecting piece 10,20, for guaranteeing its light beam reflecting, can realize the more measurement object of minor diameter line bar, one side laminating of two reflecting piece 10,20 arranges, 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 less also can be in the optical imagery regional extent of measuring together, as shown in Figure 1.For realizing the reliable fixing of 30 of reflecting piece 10,20 and bases, the corresponding reflecting piece 10,20 of described base 30 arranges two pedestals 31,32, which is provided with the groove 311,321 identical with reflecting piece 10,20 profiles, described reflecting piece 10,20 is arranged in groove 311,321, as shown in Fig. 4-5.

For further realizing reflecting piece 10, 20 and 30 of bases reliable fixing, groove 311, 321 for to run through pedestal 31 along its flute length direction, 32 arrange, 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 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, in 20 both ends of the surface, thereby fastening in reflecting piece 10 of claw 40, one end on 20 minute surfaces and groove 311, between 321 bottom lands, be construed as limiting catoptron along the spacing cooperation of minute surface movement in vertical direction, and claw 40 inner sides, middle part and groove 311, 321 liang of cell walls have been realized the position-limiting action that catoptron is moved along its minute surface parallel direction, as shown in Fig. 1-2 and 4-5.

As the further preferred version of the present invention, between the both ends of relative its minute surface one side of reflecting piece 10,20 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 herein arranging also contributes to reflecting piece 10,20 to carry out location, two ends in minute surface movement in vertical direction at effective restriction catoptron, thereby for 30 of reflecting piece 10,20 and bases reliable affixed provides assurance, as shown in Figure 2-5.

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

Further, as shown in Fig. 1-3 and Fig. 6, claw 40 of the present invention is whole to be formed 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 itself providing by hook slot part 42 realizes reflecting piece 10, the in good time compression of the minute surface at 20 two ends, and the mode that edge 421 is face contacts is pressed on pad 50, by pad 50 faces, touch reflecting piece 10 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 while being held are straight.

As shown in Fig. 1-2 and Fig. 4-5, the infall of two reflecting piece 10,20 is bonded to each other, groove cell wall 311a, 321b length on the pedestal 31,32 at its sticking part place is less than the groove cell wall 311b of the opposite side of relative its sticking part, the length of 321a, simultaneously, the length of groove cell wall 311a and groove cell wall 321b is coincide, thereby the space reserving after coordinating by groove cell wall 311a and cell wall 321b place reaches the object of the intersection laminating of two reflecting piece 10,20 sides.

Claims (7)

1. a 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 light beam of the reflecting surface reflection of described cross-shaped layout is greater than the light beam scope of unit reflecting surface reflection, described reflective mirror comprises two reflecting piece (10,20), in each reflecting piece, there is the corresponding described reflecting surface arranging, described reflecting piece is minute surface arranged crosswise between (10,20), and its scope of light beam of the reflecting piece of described cross-shaped layout (10,20) mirror-reflection is greater than the light beam scope of unit mirror-reflection, described reflective mirror also comprises for clamping the fixing base (30) of reflecting piece (10,20), described reflecting piece (10,20) is that a side laminating of rectangular parallelepiped and two reflecting piece (10,20) arranges, the corresponding reflecting piece of described base (30) (10,20) arranges two pedestals (31,32), which is provided with the groove (311,321) identical with reflecting piece (10,20) profile, described reflecting piece (10,20) is arranged in groove (311,321), described groove (311, 321) for to run through pedestal (31 along its flute length direction, 32) arrange, 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 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, 20) on the minute surface at two ends, the middle part of claw (40) is resisted against reflecting piece (10, 20) in both ends of the surface.

2. reflective mirror according to claim 1, is characterized in that: the minute surface of two described reflecting piece (10,20) is all rectangle, and its one end minor face approaches and cross-shaped layout.

3. reflective mirror according to claim 1 and 2, is characterized in that: two described reflecting piece (10,20) minute surface is that symmetrical chiasma is arranged, between its two minute surface, angle is 90 degree.

4. reflective mirror according to claim 1, 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.

5. reflective mirror according to claim 1, it is characterized in that: described claw (40) is the sheet of one end bending, described claw (40) bolt is fixed on the pedestal (31,32) at groove (311,321) two ends, is also provided with the pressure strip (60) for compressing claw (40) between the nut of described claw (40) and bolt.

6. reflective mirror according to claim 1, it is characterized in that: described claw (40) is whole to be formed 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).

7. reflective mirror according to claim 1, it is characterized in that: the infall of two described reflecting piece (10,20) is bonded to each other, the groove (311) that holds one of them reflecting piece (10) comprises first and second groove cell wall (311a, 311b), the groove (321) that holds another reflecting piece (20) comprises third and fourth groove cell wall (321a, 321b), and first, fourth groove cell wall (311a, 321b) is positioned at the face of first and second reflecting piece (10,20) intersection laminating; The length of first, fourth groove cell wall (311a, 321b) is coincide, and the length of second and third groove cell wall (311b, 321a) is greater than respectively the length of first, fourth groove cell wall (311a, 321b).

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