CN1542488A - Stereo binocular microscope - Google Patents
Stereo binocular microscope Download PDFInfo
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- CN1542488A CN1542488A CNA2004100386658A CN200410038665A CN1542488A CN 1542488 A CN1542488 A CN 1542488A CN A2004100386658 A CNA2004100386658 A CN A2004100386658A CN 200410038665 A CN200410038665 A CN 200410038665A CN 1542488 A CN1542488 A CN 1542488A
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- eyepiece stalk
- peristome
- sleeve cover
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Abstract
To provide a binocular stereomicroscope equipped with a pupil distance adjusting mechanism having a dustproof mechanism excellent in a dustproof effect and easily exchanged. The binocular stereomicroscope has an eyepiece sleeve coupled with the pupil distance adjusting mechanism through the aperture part of the housing of a binocular lens barrel in which the pupil distance adjusting mechanism is housed so that pupil distance adjustment can be performed. It is equipped with a sleeve cover 12 which is formed cylindrically, whose one end is provided on the peripheral surface of the eyepiece sleeve 5 and which has a flange part 123 at the other end, and also whose flange part 123 is arranged on the periphery of the aperture part 302 of the housing 3 and which has a loosening part 121 allowing the movement of the sleeve 5 associated with the pupil distance adjustment, and a dustproof cover 13 at least provided on the periphery of the aperture part 302 of the housing 3 and covering over the upper surface of the flange part 123 of the cover 12. (C)2005,JPO&NCIPI.
Description
The application is that Japanese patent application No. is 2003-123958, the applying date to be the subsequent application on April 28th, 2003, the full content of this application by at this in conjunction with reference.
Technical field
The present invention relates to a kind of stereo-binocular microscope with eye-distance adjusting mechanism.
Background technology
In the past, under the biopsy or the situations such as inspection in the semiconductor devices operation of Biosample, use can be carried out the stereo-binocular microscope that sample is observed by eyes mostly.
Stereo-binocular microscope has the eyes lens barrel that is extruded with a pair of eyepiece stalk from casing.The observer carries out the sample observation with the position alignment eyepiece stalk of eyes.
, use everyone eye-distance size of observer of stereo-binocular microscope that a great difference is arranged.For this reason, in stereo-binocular microscope, be provided with respect to the different eye-distances in casing with the eye-distance adjusting mechanism consistent with the spacing of eyepiece stalk.
In the stereo-binocular microscope with above-mentioned eye-distance adjusting mechanism, the eyepiece stalk outstanding from the casing of eyes lens barrel freely moves towards the left-right symmetric direction.For this reason, on casing, form the corresponding peristome of moving range of size and eyepiece stalk., because of peristome directly leads to casing inside, be easy to enter from the dust of outside.For this reason, can adhere to dust on the optical element etc., exist deterioration and observe the problem resemble etc.
In order to prevent to enter, following structure has been proposed from the dust of outside.
Proposed a kind of following structure (with reference to Japanese kokai publication hei 2-64909 communique), the mobile cover piece with respect to can together moving with eyepiece stalk is provided with fixedly cover piece in lens barrel casing side, and at mobile cover piece and fixedly be provided with the annular resilient parts between the cover piece.By this structure, though mobile eyepiece stalk, at mobile cover piece and fixedly also can cut off dust between cover piece by the annular resilient parts.
A kind of following structure (with reference to TOHKEMY 2001-356275 communique) is also disclosed.Insert eyepiece stalk in shell opening portion,, a square end portion of tubular dust cap is remained on the periphery wall of eyepiece stalk by retaining ring.And, be the holding member of コ font with the section on the opposing party end that is formed at dust cap, control shell opening portion circumference.Thus, prevent to enter dust from the peristome of casing.
Summary of the invention
It is outstanding and have a stereo-binocular microscope of the eye-distance adjusting mechanism of changing simple dust-proof mechanism to the purpose of this invention is to provide a kind of dustproof effect.
The stereo-binocular microscope of the 1st scheme of the present invention is, casing with eyes lens barrel of taking in the eye-distance adjusting mechanism, link by described shell opening portion and described eye-distance adjusting mechanism, can carry out a pair of eyepiece stalk that eye-distance is adjusted, and be arranged on dust-proof mechanism between described peristome and the described eyepiece stalk, it is characterized in that, described dust-proof mechanism has: the sleeve cover, be to have the 1st end, the 2nd end and allow mobile mobile tubular of allowing mechanism along with the eye-distance adjustment of described eyepiece stalk, described the 1st end covers the outer peripheral face of described eyepiece stalk, and described the 2nd end has the flange part on the periphery of the described peristome that is disposed at described casing; And dust cap, be arranged on the periphery of the described peristome of described casing, and cover described sleeve cover described flange part at least above.
A kind of stereo-binocular microscope of the present invention the 2nd aspect is, have: the casing of taking in the eyes lens barrel of eye-distance adjusting mechanism, link, can carry out a pair of eyepiece stalk that eye-distance is adjusted by described shell opening portion and described eye-distance adjusting mechanism, and be arranged on dust-proof mechanism between described peristome and the described eyepiece stalk, it is characterized in that described casing has the thinner wall section that forms along the circumference of described peristome; Described dust-proof mechanism has: the sleeve cover, it is drum with the 1st end and the 2nd end, described the 1st end has protuberance along circumferencial direction at inner peripheral surface, described the 2nd end has flange part, described the 2nd end is disposed on the periphery of described peristome of described casing, and described flange part is configured to slip on described thinner wall section; And dust cap, be arranged on the periphery of the described peristome of described casing, and cover described sleeve cover described flange part above.
Clearer and more definite in the description that advantage of the present invention will be below carried out with reference to accompanying drawing.
Description of drawings
This in conjunction with and the accompanying drawing that constitutes instructions part show embodiments of the invention, the foregoing invention general introduction is used to explain principle of the present invention jointly with the detailed description of the following examples.
Fig. 1 is the outside drawing of the stereo-binocular microscope with eye-distance adjusting mechanism of suitable the 1st embodiment of the present invention.
Fig. 2 is the figure that the general configuration of the dust-proof mechanism that uses among the 1st embodiment is shown.
Fig. 3 is for illustrating the figure of the quick-snap member (ス Na ッ プ Off Star ト) that uses among the 1st embodiment.
Fig. 4 A and Fig. 4 B are the figure of the action of explanation the 1st embodiment.
Fig. 5 is the figure of general configuration that the variation of the 1st embodiment is shown.
Fig. 6 is the figure that variation that the 1st embodiment is shown is wanted the general configuration of portion.
Fig. 7 is the figure that the general configuration of the dust-proof mechanism that uses among the 2nd embodiment of the present invention is shown.
Fig. 8 A and Fig. 8 B are the figure of the action of explanation the 2nd embodiment.
Fig. 9 is the figure of general configuration that the variation of the 2nd embodiment is shown.
Figure 10 is the outside drawing of the stereo-binocular microscope with eye-distance adjusting mechanism of suitable the 3rd embodiment of the present invention.
Figure 11 is the figure that the general configuration of the dust-proof mechanism that uses among the 3rd embodiment is shown.
Figure 12 is the figure that the general configuration of the casing casing that uses among the 3rd embodiment is shown.
Figure 13 is the figure of general configuration that the variation of the 3rd embodiment is shown.
Embodiment
Below, embodiments of the invention are described with reference to the accompanying drawings.
(the 1st embodiment)
Fig. 1 is the outside drawing that the stereo-binocular microscope with eye-distance adjusting mechanism that is suitable for the 1st embodiment of the present invention is shown.
In Fig. 1, stereo microscope body 1 has not shown viewing optical system, portion of variable focal length mechanism etc.Stereo microscope body 1 also has eyes lens barrel 2.Take in not shown eye-distance adjusting mechanism in the eyes lens barrel 2.Cover by casing 3,4 around the eyes lens barrel 2.
Face portion at casing 3,4 forms dip plane 301,401.Form peristome 302,402 on the dip plane 301,401 respectively.
Be provided with a pair of eyepiece stalk 5,6 by peristome 302,402 on the casing 3,4.At this moment, eyepiece stalk 5,6 is configured to promptly become predetermined angular up from horizontal direction from the direction perpendicular to dip plane 301,401. Eyepiece stalk 5,6 and pass through openings portion 302,402 and the not shown eye-distance adjusting mechanism that is accommodated in the casing 3,4 are connected, and are symmetrical set by this eye-distance adjusting mechanism, and can move in rectilinear direction or the direction of describing bigger circular arc.
In addition, on each peristome 302,402 of casing 3,4, be provided with the dust- proof mechanism 9,10 in the gap of airtight and eyepiece stalk 5,6.
Fig. 2 is the general configuration figure that dust-proof mechanism 9 is shown.Fig. 3 is the major part enlarged drawing of Fig. 2, is the view that the quick-snap member that uses among the 1st embodiment is described.
On the eyepiece stalk 5, the end of peristome 302 sides interting casing 3 forms thinner wall section 502 by stage portion 501.Surface in thinner wall section 502 forms 2 parallel recess 502a, 502b along circumferencial direction.
Between eyepiece stalk 5 and casing 3, be provided with sleeve cover 12.For example rubber or silicone (シ リ コ Application) etc. form sleeve cover 12 by resilient material.And sleeve cover 12 is a tubular, as allow along with the eye-distance adjusting mechanism of eyepiece stalk 5 move mobilely allow mechanism, part forms bent flaccid part 121 in the central.Side's open end at sleeve cover 12 is provided with into the thicker fixed part of wall cylindraceous 122.On fixed part 122, form 2 protuberance 122a, 122b in parallel to each other along inner peripheral surface.Recess 502a, the 502b of the thinner wall section 502 of protuberance 122a, 122b and eyepiece stalk 5 are chimeric.At this moment, the side face of fixed part 122 is at protuberance 122a, and 122b and recess 502a under the chimeric state of 502b, flush with the side face of eyepiece stalk 5.So, by 2 protuberance 122a, 122b, increased the confining force of 12 pairs of eyepiece stalks 5 of sleeve cover along the parallel formation of inner peripheral surface of fixed part 122.Thus, can prevent the distortion due to the moving of eyepiece stalk 5 or swell.In addition, these protuberances 122a, 122b can be for more than 2.
The opposing party's open end at sleeve cover 12 is provided with flange part 123.Flange part 123 is arranged on the thinner wall section 304 of peristome 302 peripheries of casing 3.Flange part 123 has protuberance 123a, the 123b that forms along the circumference on two sides, and the recess 305 of protuberance 123a and thinner wall section 304 is chimeric.
Be provided with the discoideus dust cap of hollow 13 in the mode above the flange part 123 of cover sleeve cover 12.Below dust cap 13, form recess 13a along circumferencial direction.The protuberance 123b of the flange part 123 of recess 13a and sleeve cover 12 is chimeric.Side is provided with corresponding with the hole portion 306 of casing 3 and as a plurality of quick-snap member 13b of fixed mechanism below dust cap 13.Quick-snap member 13b has the hook portion 13b2 that forms on the front end of the body 13b1 below uprightly being arranged at dust cap 13.Thus, quick-snap member 13b inserts in the hole portion 306 of casing 3 till hook portion 13b connects.Quick-snap member joint portion 306a by hook portion 13b2 and hole portion 306 peripheries is connected and fixed, and dust cap 13 is fixed on the casing 3.
Adopt structure like this, protuberance 122a, the 122b of the fixed part 122 by making side's open end and recess 502a, the 502b of eyepiece stalk 5 side faces are chimeric, and sleeve cover 12 is fixed on the eyepiece stalk 5.Flange part 123 mountings by the opposing party's open end are on the thinner wall section 304 of peristome 302 peripheries of casing 3, make the recess 305 of protuberance 123a and thinner wall section 304 chimeric, and then dust cap 13 is set in the mode that covers on the flange part 123, make protuberance 123b and recess 13a chimeric, the quick-snap member 13b of dust cap 13 inserts the hole portion 306 of casing 3, so that hook portion 13b2 card is ended on the quick-snap member joint portion 306a of hole portion 306 peripheries, sleeve cover 12 is fixed on the casing 3.
By this state, for example shown in Fig. 4 A, when eye-distance became minimum direction operation eyepiece stalk 5, eyepiece stalk 5 A direction towards Fig. 4 A in the peristome 302 of casing 3 moved.Thus, along with moving of eyepiece stalk 5, the flaccid part 121 of sleeve cover 12 is lax in the place ahead of moving direction to become big, at middle body bigger bending takes place, and at the rear of moving direction, lax diminishing is deformed into linearity.In addition, shown in Fig. 4 B, when eye-distance became maximum direction operation, eyepiece stalk 5 B direction towards Fig. 4 B in the peristome 302 of casing 3 moved with eyepiece stalk 5.Thus, along with moving of eyepiece stalk 5, the flaccid part 121 of sleeve cover 12 is in the place ahead of moving direction, and lax the change greatly bend at middle body, and at the rear of moving direction, lax diminishing is deformed into linearity.
At this moment, because above-mentioned sleeve cover 12 is installed on eyepiece stalk 5 and the casing 3 securely, when eyepiece stalk 5 moved, sleeve cover 12 can not come off.In addition, because sleeve cover 12 is covered on the peristome 302 of casing 3 fully, therefore, and the moving of eyepiece stalk 5, peristome 302 can not expose to the outside yet.
Therefore, by recess 502a, the 502b of protuberance 122a, the 122b of the fixed part 122 of a side end and eyepiece stalk 5 side faces is chimeric, sleeve cover 12 is installed on the eyepiece stalk 5, and flange part 123 mountings of end side are on the thinner wall section 304 of peristome 302 peripheries of casing 3, be embedded at protuberance 123a under the state of recess 305 of thinner wall section 304, further the dust cap 13 by being provided with in the mode that covers on the flange part 123 is installed on the casing 3 sleeve cover 12.Thus, because sleeve cover 12 is installed on eyepiece stalk 5 and the casing 3 reliably, moving of the eyepiece stalk 5 that is undertaken by the eye-distance adjustment can not worry that sleeve cover 12 comes off, simultaneously, can prevent reliably that dust etc. from entering microscope body 1 inside from the peristome 302 of casing 3.
In addition, by the eye-distance adjustment with mobile eyepiece stalk 5 when, sleeve cover 12 does not have the part of sliding towards the installation portion of eyepiece stalk 5 and casing 3.Therefore, can prevent the generation of smear metal etc.
In addition, when by the eye-distance adjustment eyepiece stalk 5 being moved, the flaccid part 121 of sleeve cover 12 has bigger bending in the big part of lax change from middle body, and in the lax part that diminishes, deformable is a linearity.Therefore, though sleeve cover 12 use have certain intensity than heavy wall, the bad phenomenon that eyepiece stalk 5 is moved because of its elasticity can not take place yet.In addition, by sleeve cover 12 use have certain intensity than heavy wall, phenomenons such as breakage can not take place when cleaning waits, can prevent from reliably to enter the phenomenon of microscope body 1 inside because of breakage causes dust etc.
In addition, insert the hole portion 306 of casing 3 by the quick-snap member 13b of the dust cap 13 that will be provided with in the mode that covers on the flange part 123, and hook portion 13b2 card ended on the quick-snap member joint portion 306a of hole portion 306 peripheries, sleeve cover 12 is installed on the casing 3.Thus, pass control lever 14 from the hole portion 306 of the side surface part of casing 3, make it distortion with the hook portion 13b2 of control lever 14 front ends pushing quick-snap member 13b, the card of only removing quick-snap member joint portion 306a ends, take off dust cap 13, and then sleeve cover 12 can be taken off from casing 3.Therefore, can take off dust cap 13 and sleeve cover 12 easily from the outside of casing 3.Thus, even when changing sleeve cover 12, also can carry out at short notice with simple operation.
In addition, in above-mentioned, by recess 502a, the 502b of protuberance 122a, the 122b of the fixed part 122 of sleeve cover 12 and eyepiece stalk 5 side faces is chimeric, so that installing sleeve cover 12, also can be directly or by the installing component contact to be installed to fixed form on the eyepiece stalk 5.
In addition, casing 3, on the thinner wall section 304 that is positioned at peristome 302 circumferences, form recess 305, and, sleeve cover 12, on flange part 123, form and recess 305 corresponding protuberance 123a, but also can form protuberance, form recess, make it chimeric mutually in thinner wall section 304 sides in flange part 123 sides.
In above-mentioned, the dust-proof mechanism 9 that is arranged between eyepiece stalk 5 and the casing 3 is illustrated, but also same as described above for the dust-proof mechanism 10 that is arranged between eyepiece stalk 6 and the casing 3.
(variation)
The variation of the 1st embodiment is described with reference to Fig. 5.
Fig. 5 is the figure of general configuration that the variation of the 1st embodiment is shown, and the part identical with Fig. 2 is marked with identical symbol.
At this moment, the dust cap 21 of ring-type has: along the recess 21a of following circumferencial direction to form with the chimeric mode of the flange part 123b of sleeve cover 12, and the hole portion 306 of the casing 3 of side is corresponding and end member 21b as a plurality of cards of fixed mechanism below being arranged on this.
A plurality of cards end member 21b and have the head 21b2 that forms on the front end of the body 21b1 below uprightly being arranged at dust cap 21.Head 21b2 has the diameter bigger slightly than the diameter of hole portion 306 as shown in Figure 6, simultaneously, forms tapering 21b3,21b4 respectively on the connecting portion side face of leading section side face and body 21b1.
Thus, dust cap 21 brute forces are pushed the hole portion 306 of casing 3, connect, thereby dust cap 21 cards are ended in hole portion 306, and be fixed on the casing 3 up to the head 21b2 that makes card end member 21b.In addition, by extract the head 21b2 that card ends member 21b from the hole portion 306 of casing 3, dust cap 21 can take off from casing 3.
Even in this variation, also can obtain the effect same with the 1st embodiment, in addition, can further simplify the installing/dismounting of dust cap 21.
(the 2nd embodiment)
With reference to Fig. 7 the 2nd embodiment of the present invention is described.
Fig. 7 is the general configuration figure that the 2nd embodiment of the present invention is shown, and the part identical with Fig. 2 is marked with same tag.
In addition, Fig. 7 and Fig. 2 are same, in being arranged at casing shown in Figure 13,4 peristome 302,402 and the dust- proof mechanism 9,10 between the eyepiece stalk 5,6 separately, dust-proof mechanism 9 only are shown.
At this moment, for example rubber or silicone etc. form sleeve cover 31 by elastomeric element.In addition, sleeve cover 31 has the tubular body 311 of heavy wall.Tubular body 311 has 2 head 311a, 311b along the parallel formation of inner peripheral surface.Recess 502a, the 502b of the thinner wall section 502 of protuberance 311a, 311b and eyepiece stalk 5 are chimeric.At this moment, the side face of tubular body 311 under protuberance 311a, 311b and the chimeric state of recess 502a, 502b, become with the side face of eyepiece stalk 5 and flush.
Side opening end at sleeve cover 31 is provided with flange part 312.Thinner wall section 304 fluid-tight engagement of peristome 302 peripheries of flange part 312 and casing 3 and mounting along with moving of eyepiece stalk 5, can move by slidingtype on thinner wall section 304 thereon.
At this moment, the internal diameter of the thinner wall section 304 of peristome 302 circumferences of the external diameter of the flange part 312 of sleeve cover 31 and casing 3 is configured to can move on thinner wall section 304 without barrier along with the flange part 312 of the sleeve cover 31 that moves of eyepiece stalk 5.
Be provided with the discoideus dust cover of hollow 32 in the mode above the flange part 312 of cover sleeve cover 31.Side is provided with corresponding with the hole portion 306 of casing 3 and as a plurality of quick-snap member 32b of fixed mechanism below dust cap 32.The front end of the upright body 32b1 that is provided with forms hook portion 32b2 below the dust cap 32 of quick-snap member 32b.Thus, quick-snap member 32b is inserted in the hole portion 306 of casing 3 till hook portion 32b2 passes, in the quick-snap member joint portion 306a that hook portion 32b2 is limited to hole portion 306 peripheries, dust cap 32 is fixed on the casing 3.
At this moment, the external diameter of the flange part 312 of sleeve cover 31 is set for bigger than the internal diameter of the hollow bulb 32a of dust cap 32, along with moving of eyepiece stalk 5, when mobile, flange part 312 peripheries can not be exposed to the outside from the hollow bulb 32a of dust cap 32 to the flange part 312 of sleeve cover 31 yet on thinner wall section 304.
Adopt said structure, for example shown in Fig. 8 A, when eye-distance became minimum direction operation, eyepiece stalk 5 C direction towards Fig. 8 A in the peristome 302 of casing 3 moved with eyepiece stalk 5.So, along with moving of eyepiece stalk 5, the flange part 312 of sleeve cover 31 also moves along C direction slidingtype on the thinner wall section 304 of peristome 302 circumferences of casing 3 of Fig. 8 A.Shown in Fig. 8 B, when eye-distance became maximum direction operation, eyepiece stalk 5 D direction towards Fig. 8 B in the peristome 302 of casing 3 moved with eyepiece stalk 5.So, along with moving of eyepiece stalk 5, the flange part 312 of sleeve cover 31 also moves along D direction slidingtype on the thinner wall section 304 of peristome 302 circumferences of casing 3 of Fig. 8 B.At this moment, owing to set the external diameter of the flange part 312 of sleeve cover 31 for diameter greater than the hollow bulb of dust cap 32, even by eyepiece stalk 5 moving towards maximum eye-distance, minimum eye-distance, the flange part 312 that makes sleeve cover 31 moves on thinner wall section 304, and flange part 312 circumferences can be from the hollow bulb of dust cap 32 to being exposed to the outside yet.
Therefore, protuberance 311a, the 311b of the tubular body 311 by making heavy wall and recess 502a, the 502b of eyepiece stalk 5 side faces are chimeric, and sleeve cover 31 is installed on the eyepiece stalk 5.Mounting is on the thinner wall section 304 of peristome 302 peripheries of casing 3 slippingly with the flange part 312 of a side opening end, and by the dust cap 32 that is provided with in the mode that covers on the flange part 312, sleeve cover 31 can be installed on the casing 3.Therefore, sleeve cover 31 can be installed on eyepiece stalk 5 and the casing 3 reliably.In addition, do not worry that fully the mobile sleeve cover 31 that makes of the eyepiece stalk 5 that carries out because of the eye-distance adjustment comes off, simultaneously, can prevent the phenomenon that dust etc. enters microscope body 1 inside from the peristome 302 of casing 3 reliably yet.
In addition, also can obtain the effect same with the 1st above-mentioned embodiment.
In addition, the external diameter of the flange part 312 by making sleeve cover 31 is bigger, and perhaps making the shape of the internal diameter of flange part 312 is elliptical shape at moving direction, also can corresponding bigger peristome 302.
In addition, in the 2nd embodiment, also only the dust-proof mechanism 9 that is arranged between eyepiece stalk 5 and the casing 3 is illustrated, but also is same as the 1st embodiment for the dust-proof mechanism 10 that is arranged between eyepiece stalk 6 and the casing 3.
(variation)
With reference to Fig. 9, the variation of the 2nd embodiment is described.
Fig. 9 is the general configuration figure that the variation of the 2nd embodiment is shown, and the part identical with Fig. 7 is marked with same-sign.
At this moment, between the thinner wall section 304 of peristome 302 peripheries of the flange part 312 of sleeve cover 31 and casing 3, lubricated sheet 33 is arranged.And between the flange part 312 of sleeve cover 31 and dust cap 32, lubricated sheet 34 is arranged also.Lubricated sheet 33,34 has the discoideus shape of hollow, and its external diameter is greater than the hollow bulb internal diameter of dust cap 32, and the internal diameter of hollow bulb is set the external diameter that is a bit larger tham tubular body 311 for.
By using lubricated sheet 33,34, make the moving of flange part 312 of the mobile sleeve cover 31 that carries out of following eyepiece stalk 5 can be more smooth and easy in this variation.In addition, by between the thinner wall section 304 of peristome 302 peripheries of the flange part 312 of sleeve cover 31 and casing 3 and between the flange part 312 of sleeve cover 31 and dust cap 32 lubricated sheet 33,34 being housed, the leakproofness between these members can be improved, entering of dust etc. can be prevented more accurately.
In this variation, bigger by the external diameter that makes lubricated sheet 33,34, perhaps making the shape of the internal diameter of hollow bulb is elliptical shape at moving direction, also can corresponding bigger peristome 302.
(the 3rd embodiment)
With reference to Figure 10 and Figure 11, the 3rd embodiment of the present invention is described.
Figure 10 is the outside drawing with stereo-binocular microscope of the eye-distance adjusting mechanism that the 3rd embodiment of the present invention is suitable for, and Figure 11 is the figure that the general configuration of the dust-proof mechanism that stereo-binocular microscope uses is shown, and the part identical with Fig. 1 and Fig. 2 is marked with identical mark.
The eyes lens barrel 2 that is arranged on the stereo microscope body 1 is taken in not shown eye-distance adjusting mechanism, and is covered by shared casing 41 around it.
In addition, be identical with Fig. 1.
As shown in Figure 11, each peristome 412,413 of casing 41 is provided with eyepiece stalk 5,6, is provided with dust- proof mechanism 9,10 between eyepiece stalk 5,6 and peristome 412,413.
At this moment, the structure of dust-proof mechanism 10 is identical with dust-proof mechanism 9, is marked with identical symbol with the described identical part of Fig. 2.
On above-mentioned dust- proof mechanism 9,10, be provided with shared dust cap 42.Form on the dust cap 42 and the corresponding hole of the peristome 412,413 of casing 41 portion 421,422.In addition, the circumference along hole portion 421,422 forms recess 431,432 below dust cap 42.The protuberance 123b of the flange part 123 of recess 431,432 and each sleeve cover 12 is chimeric.And, below dust cap 42, be provided with quick-snap member 441,442.Quick-snap member 441,442 is inserted in the hole portion 413 of casing 41 till hook portion 441a, 442a pass, and is limited to the periphery of hole portion 413 by making hook portion 441a, 442a, and dust cap 42 is fixed on the casing 41.
So,, improved assembling, and then reduced part count, also can reduce cost owing to can make dust cap 42 be common to dust- proof mechanism 9,10.
In addition, be marked with the shown in Figure 12 of same tag,,, also can obtain and above-mentioned same effect by making the casing 45,46 about dust cap 42 is arranged to be common to even under the situation that casing about 45,46 constitutes respectively as the part identical with Figure 11.In addition,, dustproof on the mating surface of casing 45,46 can be realized, anti-dust performance can be further improved by dust cap 42.
(variation)
With reference to Figure 13, the variation of the 3rd embodiment is described.
Figure 13 is the general configuration figure that the dust-proof mechanism of stereo-binocular microscope use is shown, and the part identical with Figure 11 is marked with identical mark.
At this moment, form on the dust cap 51 and the corresponding hole of the peristome 412,413 of casing 41 portion 511,512.In addition, the circumference along hole portion 511,512 forms recess 521,522 below dust cap 51.The protuberance 123b of the flange part 123 of recess 521,522 and each sleeve cover 12 is chimeric.In addition, further form a plurality of hole portion 531,532 on the dust cap 42 around the hole portion 511,512.With hole portion 531,532 corresponding casings 41 on form threaded hole 46, by fixed pin 54 is screwed in the threaded hole 46 through hole portion 531,532, dust cap 51 is fixed on the casing 41.
At this moment, being screwed into of fixed pin 54 is the degree that does not make 12 breakages of sleeve cover, is to make flange part 123 and dust cap 51 and casing 41 carry out the degree of excellent sealing.
So, can be reliably fixing dust cap 51, but and only unload just installing/dismounting dust cap 51 of fixed pin 54, can carry out the replacing of dust cap 51 and sleeve cover 12 etc. easily.In addition, dust cap 51 and casing 41 do not need to prepare quick-snap member and quick-snap member joint portion, can substitute with screw tap processing, and be useful in processing yet.
In addition, the present invention is not limited to the above embodiments, the implementation phase, can in the scope that does not change its main points, carry out various distortion.
In addition, in the above-described embodiments, include the invention in various stages, can from the appropriate combination of disclosed a plurality of members, obtain various inventions.For example, even several members of deletion from all members shown in the embodiment, also can solve the technical matters described in the invention technical matters part to be solved, under the situation that obtains the described effect of invention effect part, the structure of deleting this member also can be used as to be invented and extracts.
The above embodiments also comprise following invention.
(1) feature of over cap is, is arranged to be covered with above the flange part of the sleeve cover that is separately positioned on a pair of eyepiece stalk in shared mode.
According to embodiments of the invention, the sleeve cover can be installed on eyepiece stalk and the casing reliably.Therefore, can avoid the moving of the eyepiece stalk that carries out because of the eye-distance adjustment, phenomenon that the sleeve cover comes off.
In addition, according to embodiments of the invention, come mobile eyepiece stalk by the eye-distance adjustment when, do not have the part that the sleeve cover slides towards the installation portion of eyepiece stalk and casing, therefore, also can prevent the generation of smear metal etc.
In addition, according to embodiments of the invention, when coming mobile eyepiece stalk by the eye-distance adjustment, the slippage on the thinner wall section of the bending of flaccid part that can be by the sleeve cover or the flange part of sleeve cover comes corresponding.Thus, can prevent the phenomenon that the elasticity of sleeve cover moves eyepiece stalk.And, since the sleeve cover can use certain intensity than heavy wall, the breakage when also can preventing to clean etc.
In addition, according to embodiments of the invention,, can from casing, easily take off the sleeve cover by dust cap is taken off from casing.Therefore, can take off dust cap and sleeve cover simply from the outside of casing, simple to operate when changing the sleeve cover, can realize at short notice.
According to above-mentioned the present invention, can provide that a kind of to have dustproof effect outstanding and have a stereo-binocular microscope of the eye-distance adjusting mechanism of changing simple dust-proof mechanism.
Will readily appreciate that other advantage and change for those of ordinary skills.Therefore, the present invention is not subjected to the restriction of above-mentioned detailed description, shown device and illustrated example and description.In the scope that does not exceed claims of the present invention, can make various changes.
Claims (8)
1, a kind of stereo-binocular microscope, have: the casing (4) of taking in the eyes lens barrel of eye-distance adjusting mechanism, link, can carry out a pair of eyepiece stalk (5 that eye-distance is adjusted by described shell opening portion and described eye-distance adjusting mechanism, 6), and be arranged on dust-proof mechanism (9 between described peristome and the described eyepiece stalk, 10), it is characterized in that
Described dust-proof mechanism has:
Sleeve cover (12), be the 1st end, the 2nd end to be arranged and allow mobile mobile tubular of allowing mechanism along with the eye-distance adjustment of described eyepiece stalk, described the 1st end covers the outer peripheral face of described eyepiece stalk, and described the 2nd end has the flange part on the periphery of the described peristome that is disposed at described casing; And
Dust cap (13) is arranged on the periphery of the described peristome of described casing, and cover described sleeve cover described flange part at least above.
2, according to the described stereo-binocular microscope of claim 1, it is characterized in that,
Described casing has: the thinner wall section that forms along the circumference of described peristome and be formed at recess on the described thinner wall section or any in the protuberance;
Described sleeve cover have as described move allow mechanism and along with the mobile bent flaccid part of described eyepiece stalk be formed at described thinner wall section on recess or protuberance corresponding be formed at protuberance or recess on the described flange part, and, be fixed on the described thinner wall section by the chimeric of these jogs;
Described dust cap has described dust cap is fixed to fixed mechanism on the described casing.
3, according to the described stereo-binocular microscope of claim 1, it is characterized in that,
Described the 1st end has wall thickness shape cylindraceous, has at least 2 protuberances of parallel formation along the circumferencial direction of inner peripheral surface.
4, according to the described stereo-binocular microscope of claim 3, it is characterized in that,
Described tube has along at least 2 recesses of the parallel formation of circumferencial direction of outer peripheral face, and is chimeric with the protuberance that is formed at described the 1st end.
5, according to each described stereo-binocular microscope in the claim 1～4, it is characterized in that,
Described dust cap is shared setting with respect to the flange part that is arranged on the described sleeve cover on each of described a pair of eyepiece stalk.
6, a kind of stereo-binocular microscope, have: the casing (4) of taking in the eyes lens barrel of eye-distance adjusting mechanism, link, can carry out a pair of eyepiece stalk (5 that eye-distance is adjusted by described shell opening portion and described eye-distance adjusting mechanism, 6), and be arranged on dust-proof mechanism (9 between described peristome and the described eyepiece stalk, 10), it is characterized in that
Described casing has the thinner wall section (304) that forms along the circumference of described peristome;
Described dust-proof mechanism has:
Sleeve cover (31), it is drum with the 1st end and the 2nd end, described the 1st end has protuberance along circumferencial direction at inner peripheral surface, described the 2nd end has flange part, described the 2nd end is disposed on the periphery of described peristome of described casing, and described flange part is configured to slip on described thinner wall section; And
Dust cap (32) is arranged on the periphery of the described peristome of described casing, and cover described sleeve cover described flange part above.
7, according to the described stereo-binocular microscope of claim 6, it is characterized in that,
Described flange part is by above the described thinner wall section and described dust cap clamping.
8, according to claim 6 or 7 described stereo-binocular microscopes, it is characterized in that,
Also has on described thinner wall section the lubricated sheet (33,34) that at least one side with described flange part or described dust cap and described flange part is provided with.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP123958/2003 | 2003-04-28 | ||
| JP2003123958A JP4406215B2 (en) | 2003-04-28 | 2003-04-28 | Binocular stereomicroscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1542488A true CN1542488A (en) | 2004-11-03 |
| CN1266507C CN1266507C (en) | 2006-07-26 |
Family
ID=33501700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410038665.8A Expired - Fee Related CN1266507C (en) | 2003-04-28 | 2004-04-27 | Stereo binocular microscope |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4406215B2 (en) |
| CN (1) | CN1266507C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927949A (en) * | 2019-12-12 | 2020-03-27 | 新凤鸣集团湖州中石科技有限公司 | Processing method and processing system of polyester filament fiber section analyzer |
-
2003
- 2003-04-28 JP JP2003123958A patent/JP4406215B2/en not_active Expired - Fee Related
-
2004
- 2004-04-27 CN CN200410038665.8A patent/CN1266507C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927949A (en) * | 2019-12-12 | 2020-03-27 | 新凤鸣集团湖州中石科技有限公司 | Processing method and processing system of polyester filament fiber section analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004326023A (en) | 2004-11-18 |
| CN1266507C (en) | 2006-07-26 |
| JP4406215B2 (en) | 2010-01-27 |
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