CN102749701A - Microscope objective lens zooming structure with magnetic guide rails - Google Patents
Microscope objective lens zooming structure with magnetic guide rails Download PDFInfo
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- CN102749701A CN102749701A CN2012102715565A CN201210271556A CN102749701A CN 102749701 A CN102749701 A CN 102749701A CN 2012102715565 A CN2012102715565 A CN 2012102715565A CN 201210271556 A CN201210271556 A CN 201210271556A CN 102749701 A CN102749701 A CN 102749701A
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Abstract
A microscope objective lens zooming structure with magnetic guide rails belongs to the technical field of microscope parts and comprises a double-guide screw, an upper group of guide sleeves, a lower group of guide sleeves, two back guide rods, three front guide rods, a sliding plate, a left upper lens seat, a right upper lens seat, a left lower lens seat, a right lower lens seat and a straight-tooth small bevel gear, wherein the left upper lens seat and the right upper lens seat are respectively connected with the upper group of guide sleeves in clamping mode through a guide nail A and a guide nail groove, and the left lower lens seat and the right lower lens seat are respectively connected with the lower group of guide sleeves in clamping mode through a guide nail B and a guide nail groove hole. A magnetic guide rail is respectively arranged on the attachment portion of the left upper lens seat and the guide rod on the back side of the left lower lens seat and the attachment portion of the right upper lens seat and the guide rod on the back side of the right lower lens seat, and a V-shaped groove is respectively arranged at two ends of the inner side of each magnetic guide rail. A guide groove respectively formed by the left upper lens seat and the front guide rod at the front end of the left lower lens seat and formed by the right upper lens seat and the front guide rod at the front end of the right lower lens seat is a magnetic guide groove, a strong magnet is respectively arranged on the back sides of two ends of each magnetic guide rail and on the back side of the outer lateral side of each magnetic guide groove, and the total number of the strong magnets is twelve. The microscope objective lens zooming structure has the advantages of facilitating installation and maintenance, being prolonged in service life, reducing production cost, shortening assembling time and improving production efficiency.
Description
Technical field
The present invention is that a kind of micro objective becomes times structure, and particularly a kind of micro objective of tool magnetic track becomes times structure, belongs to the microscope components technical field.
Background technology
In former microscope; Like Fig. 1-1 to shown in Fig. 2-5; Upper and lower microscope base rear portion, a left side is provided with guide rod and connects circular hole, and right upper and lower microscope base is identical with left upper and lower mirror-seat structure, and 2 back-guiding rods must be through in the guide rod connection circular hole at upper and lower microscope base rear portion; This is very high with the quality of fit requirement that guide rod connects circular hole for guide rod, and is big for the difficulty of processing of hole wall.During assembling,, to grind cooperation when following guide rod to cooperate for the guide rod connection circular hole at upper and lower microscope base rear portion in order to improve assembly precision, high for employee's assembly technical requirement own.Use for a long time, the guide rod at upper and lower microscope base rear portion connects circular hole and guide rod surface can wearing and tearing, and the tolerance clearance increase centre deviation can occur, even rock.Want corrective lens when installing and keeping in repair, need the upper and lower microscope base of frequent dismounting, must remove back-guiding rod earlier during dismounting, could lift down upper and lower microscope base, install and the maintenance inconvenience, strengthened working strength.
Summary of the invention
The objective of the invention is in the above-mentioned prior art; The upper and lower microscope base assembly precision requirement of microscope is high, tolerance clearance is prone to increase, installs and keeps in repair the defective inconvenient, that working strength is big; Provide a kind of micro objective of tool magnetic track to become times structure, can reach that the upper and lower microscope base assembly precision of microscope is less demanding, tolerance clearance can not change, installation and purpose easy to maintenance, that working strength is little.
The technical scheme taked of the present invention is to achieve these goals: a kind of micro objective of tool magnetic track becomes times structure; Comprise two-way lead screw, on organize guide pin bushing, following group guide pin bushing, 2 back-guiding rods, 3 preceding guide rods, slide plate, upper left microscope base, upper right microscope base, left side microscope base, bottom right microscope base and straight-tooth small conical gear down, said upper left microscope base, a left side microscope base and upper right microscope base, bottom right microscope base down are symmetrical set; On the said two-way lead screw; Upper and lower reverse direction is provided with 2 roads guiding rotating curve groove; The said group guide pin bushing of going up respectively comprises middle part connecting hole and front end stem guiding trough with following group guide pin bushing; Two-way lead screw interts in the middle part connecting hole of last group of guide pin bushing and following group guide pin bushing, with middle part connecting hole clearance fit, on organize guide pin bushing and the following group guide pin bushing guiding rotating curve groove through guide pin bushing fixing pin and two-way lead screw and be rotationally connected; Said 2 back-guiding rods are symmetricly set on the both sides of two-way lead screw; 1 preceding guide rod is arranged on two-way lead screw the place ahead; With the front end stem guiding trough activity socket connection of last group of guide pin bushing and following group guide pin bushing, other 2 preceding guide rods are separately positioned on 2 back-guiding rod the place aheads, oblique the place ahead, guide rod both sides is symmetrical set before middle; Said slide plate is arranged on the rear end of group guide pin bushing and following group guide pin bushing, and slide plate is fixedly connected through socket head cap screw with the rear end of upper and lower group of guide pin bushing; Left and right base rear end on show is provided with guide pin A; Left and right microscope base rear end down is provided with guide pin B; The slide plate arranged outside has outwardly open guide pin slotted eye; The left and right microscope base of going up is connected with last group of guide pin bushing clamping with the guide pin slotted eye through guide pin A, and left and right microscope base down is connected with following group of guide pin bushing clamping with the guide pin slotted eye through guide pin B; Left and right upward microscope base and left and right microscope base down also respectively comprise rear portion guide rod sticking part, middle part object lens mounting hole and the leading bar gathering sill of front end, and leading bar gathering sill of said front end and preceding guide rod active card connect in succession; Said straight-tooth small conical gear is fixedly installed on the top of two-way lead screw;
Said left and right upward microscope base and the left and right rear portion guide rod sticking part of microscope base down are magnetic track, and the middle inside of said magnetic track is the semicircular arc concave surface, and the inboard two ends of magnetic track are the V-type groove, and said V-type groove is made up of the oblique plane of 2 oblique bottoms;
Saidly left and rightly go up microscope base and the left and right leading bar gathering sill of front end of microscope base down is the magnetic gathering sill, the middle part, the inside of said magnetic gathering sill outer side edges, with preceding guide rod sticking part be a protrusion plane;
The microscope base and the left and right back side at the magnetic track two ends of microscope base down and the back side of leading bar gathering sill outer side edges respectively are set with 1 strong magnet on left and right; That is to say that respectively there is 1 strong magnet at the left and right back side of going up the microscope base two ends, the promptly left and right microscope base of going up has 4 strong magnets, and same left and right microscope base down also has 4 strong magnets; Left and right upward microscope base and the left and right leading bar gathering sill of microscope base down respectively have 1 strong magnet, and promptly leading bar gathering sill has 4 strong magnets; More than adding up to is 12 strong magnets altogether;
When the left and right V-type groove of going up the magnetic track of microscope base and left and right following microscope base is run into the back-guiding rod surface; Because the effect of strong magnet magnetic attracting; The V-type groove and the back-guiding rod surface of magnetic track are close together, and middle part semicircular arc concave surface does not contact with the back-guiding rod surface, with the power of reducing friction; Simultaneously; When the left and right microscope base and left and right down before run on the protrusion plane of the front end magnetic gathering sill outer side edges of microscope base during the guide rod surface of going up; Because the effect of strong magnet magnetic attracting, the protrusion plane of magnetic gathering sill outer side edges and preceding guide rod surface are close together, and the both sides on the protrusion plane of magnetic gathering sill outer side edges are lower than the protrusion plane; The both sides on protrusion plane do not contact with preceding guide rod surface, with the power of reducing friction.
The said left and right magnetic track of going up microscope base is in the back-guiding rod upper inner, be connected with back-guiding rod medial surface magnetic attracting; The magnetic track of said left and right down microscope base is in the outside, back-guiding rod bottom, be connected with back-guiding rod lateral surface magnetic attracting.
Said strong magnet is small cylindrical, and its diameter is 3-8mm; The back side at left and right upward microscope base and the left and right magnetic track two ends of microscope base down and left and right upward microscope base and the left and right back side of the front end magnetic gathering sill outer side edges of microscope base down are provided with strong magnet and cooperate blind hole, have 12 strong magnets cooperation blind holes; 12 strong magnets cooperate blind hole to be connected for riveted joint with 12 strong magnets respectively; In upper left microscope base and upper right microscope base; The strong magnet of magnetic gathering sill and the strong magnet of magnetic track are in the opposition side setting; The strong magnet of magnetic track is arranged on the back inboard of upper left microscope base and upper right microscope base, and the strong magnet of magnetic gathering sill is arranged on the preceding outside of upper left microscope base and upper right microscope base; In microscope base, the bottom right microscope base, the strong magnet of magnetic gathering sill and the strong magnet of magnetic track are in the homonymy setting under a left side, and the strong magnet of the strong magnet of magnetic track and magnetic gathering sill all is arranged on the outside of left microscope base down and bottom right microscope base;
The outer face of strong magnet is higher than the back side of the magnetic track back side and magnetic gathering sill outer side edges; Distance between the back-guiding rod surface in strong magnet inner face and the V-type groove is 0.2-3mm, and the distance between the preceding guide rod surface in strong magnet inner face and the magnetic gathering sill is 0.2-3mm.
The said diameter that is the small cylindrical strong magnet is 5mm; Distance between the back-guiding rod surface in strong magnet inner face and the V-type groove is 0.7mm, and the distance between the preceding guide rod surface in strong magnet inner face and the magnetic gathering sill is 1.7mm.
Angle between the oblique plane of said V-type groove is 90 °.
Said strong magnet is ndfeb magnet N35.
Also comprise spring, the semi arch crotch of said both ends of the spring is connected with the guide pin A clamping that left and right base rear end on show is provided with.
The lower end of said two-way lead screw, 2 back-guiding rods and 3 preceding guide rods is fixedly connected with object lens housing base, and supporting surface is fixedly connected on the upper end of said two-way lead screw, 2 back-guiding rods and 3 preceding guide rods and the object lens housing; Said straight-tooth small conical gear is that gear drive is connected with the straight-tooth large conical gear, and said straight-tooth large conical gear is fixedly connected with rotation axis, and said rotation axis two ends are set with focusing handwheel; The supporting surface back lower place is provided with the oblique eyepiece that is provided with in supporting surface front upper place on object lens, the said object lens housing on the said object lens housing.
Compared with prior art, the invention has the beneficial effects as follows:
﹙ 1 ﹚ the present invention adopts magnetic track, and left and right upward microscope base and the left and right two ends sticking part of microscope base down are the V-type groove, and be simple, convenient to its processing.Because it is to lean on magnetic to fit that the V-type groove cooperates with back-guiding rod, need not grind cooperation, shortened installation time greatly, reduced the technical requirement of employee own, improved production efficiency;
The ﹙ 2 ﹚ left and right leading bar gathering sill of front end of going up microscope base and left and right microscope base down of the present invention adopts the magnetic gathering sill; Middle part, the inside adhesive closely of guide rod surface and leading bar gathering sill outer side edges before making; Simultaneously the V-type groove of back-guiding rod surface and magnetic track also is close adhesive, institute so that left and right go up microscope base and left and right under the upper and lower operation of microscope base highly stable;
﹙ 3 ﹚ are also because the left and right V-type groove of going up microscope base and left and right microscope base down and its two ends is that magnetic is fitted; After using for a long time,, also locate fit-state even the V-type rooved face has worn and torn always; It is excessive can not to produce tolerance clearance; Serious phenomenon such as centre deviation more can not influence the service precision of complete machine, thereby prolong serviceable life;
Left and right upward microscope base of ﹙ 4 ﹚ dismounting and left and right microscope base down are also easily, simply; When installation and maintenance corrective lens; After whole parts all install; Also can be easily take out and left and rightly go up microscope base and left and right microscope base is down regulated, need not greatly reduce production cost as original dismounting back-guiding rod that needs from the back-guiding rod side.
Description of drawings:
Fig. 1-the 1st: former upper left microscope base front view;
Fig. 1-2 is: former upper left microscope base rear view;
Fig. 1-the 3rd: former upper left microscope base vertical view;
Fig. 1-the 4th: former upper left microscope base left view;
Fig. 1-the 5th: former upper left microscope base right view;
Fig. 2-the 1st: microscope base front view under the former left side;
Fig. 2-the 2nd: microscope base rear view under the former left side;
Fig. 2-the 3rd: microscope base vertical view under the former left side;
Fig. 2-the 4th: microscope base left view under the former left side;
Fig. 2-the 5th: microscope base right view under the former left side;
Fig. 3-the 1st: the upper left microscope base front view of the present invention;
Fig. 3-the 2nd: the upper left microscope base rear view of the present invention;
Fig. 3-the 3rd: the upper left microscope base vertical view of the present invention;
Fig. 3-the 4th: the upper left microscope base left view of the present invention;
Fig. 3-the 5th: the upper left microscope base right view of the present invention;
Fig. 3-the 6th: Fig. 3-2A-A cutaway view Amplified image;
Fig. 4-the 1st: microscope base front view under the left side of the present invention;
Fig. 4-the 2nd: microscope base rear view under the left side of the present invention;
Fig. 4-the 3rd: microscope base upward view under the left side of the present invention;
Fig. 4-the 4th: microscope base left view under the left side of the present invention;
Fig. 4-the 5th: microscope base right view under the left side of the present invention;
Fig. 4-the 6th: Fig. 4-2B-B cutaway view Amplified image;
Fig. 5-the 1st: front view of the present invention;
Fig. 5-the 2nd: rear view of the present invention;
Fig. 5-the 3rd: vertical view of the present invention;
Fig. 5-the 4th: left view of the present invention;
Fig. 6-the 1st: two-way lead screw structural drawing;
Fig. 6-the 2nd: two-way lead screw, on organize guide pin bushing and following group of guide pin bushing combination assumption diagram;
Fig. 6-the 3rd: two-way lead screw, on organize guide pin bushing, down group guide pin bushing and front and back guide rod combination assumption diagram;
Fig. 6-the 4th: two-way lead screw, on organize guide pin bushing, down group guide pin bushing, front and back guide rod and slide plate combination assumption diagram;
Fig. 6-the 5th: two-way lead screw, on organize guide pin bushing, down group guide pin bushing, front and back guide rod, slide plate, upper left microscope base down and upper right mirror seat set are down set up structural drawing jointly;
Fig. 6-the 6th: two-way lead screw, on organize guide pin bushing, down group guide pin bushing, front and back guide rod, slide plate, upper left microscope base down, upper right microscope base and spring assembly structural drawing down;
Fig. 7-the 1st: left upper and lower microscope base and right upper and lower microscope base and guide rod combination backsight structural drawing;
Fig. 7-the 2nd: Fig. 7-1C-C cutaway view Amplified image;
Fig. 7-the 3rd: Fig. 7-2A portion enlarged drawing;
Fig. 8-the 1st: left upper and lower microscope base and right upper and lower microscope base and guide rod combination forward sight structural drawing;
Fig. 8-the 2nd: Fig. 8-1D-D cutaway view Amplified image;
Fig. 8-the 3rd: Fig. 8-2B portion enlarged drawing;
Fig. 9-the 1st: on organize the guide pin bushing front view;
Fig. 9-the 2nd: on organize the guide pin bushing vertical view;
Fig. 9-the 3rd: on organize the guide pin bushing left view;
Figure 10-the 1st: following group of guide pin bushing front view;
Figure 10-the 2nd: following group of guide pin bushing vertical view;
Figure 10-the 3rd: following group of guide pin bushing left view;
Figure 11-the 1st: the strong magnet master looks enlarged drawing;
Figure 11-the 2nd: enlarged drawing is looked on a strong magnet left side;
Figure 12-the 1st: the present invention uses the installation front view;
Figure 12-the 2nd: the present invention uses the installation right view.
Description of reference numerals: organize guide rods before guide pin bushing, 201 middle part connecting holes, 202 front end stem guiding troughs, 3 times group guide pin bushings, 301 middle part connecting holes, 302 front end stem guiding troughs, 4 back-guiding rods, 5,6 slide plates, 601 guide pin slotted eyes, 7 upper left microscope bases, 8 upper right microscope bases, 9 left sides microscope bases, 10 bottom right microscope bases down on 1 two-way lead screw, the 101 guiding rotating curve grooves, 2;
01 magnetic track, 02 object lens mounting hole, 03 magnetic gathering sill, 04 semicircular arc concave surface, 05V type groove, 06 protrusion plane, 07 strong magnet cooperate blind hole;
Supporting surface, 20 rotation axiss, 21 focusing handwheels, 22 eyepieces on 11 straight-tooth small conical gears, 12 guide pin bushing fixing pins, 13 socket head cap screws, 14 guide pin A, 15 guide pin B, Final 16's magnet, 161 outer faces, 162 inner faces, 17 springs, 171 semi arch crotches, 18 object lens housing bases, the 19 object lens housings.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as to qualification of the present invention.
Like Fig. 3-1 to shown in Figure 12-2; A kind of micro objective of tool magnetic track becomes times structure; Comprise two-way lead screw 1, on organize guide pin bushing 2, the preceding guide rod of 4,3 of 3,2 back-guiding rods of group guide pin bushing 5, slide plate 6, upper left microscope base 7, upper right microscope base 8, left side microscope base 9, bottom right microscope base 10 and straight-tooth small conical gear 11 down down, said upper left microscope base 7, a left side microscope base 9 down are symmetrical set with upper right microscope base 8, bottom right microscope base 10; On the said two-way lead screw 1; Upper and lower reverse direction is provided with 2 roads guiding rotating curve groove 101; The said group guide pin bushing 2 of going up respectively comprises middle part connecting hole 201,301 and front end stem guiding trough 202,302 with following group guide pin bushing 3; Two-way lead screw 1 interts in the middle part connecting hole 201,301 of last group of guide pin bushing 2 and following group guide pin bushing 3, with middle part connecting hole 201,301 clearance fit, on organize guide pin bushing 2 and the following group guide pin bushing 3 guiding rotating curve groove 101 through guide pin bushing fixing pin 12 and two-way lead screw 1 and be rotationally connected; Said 2 back-guiding rods 4 are symmetricly set on the both sides of two-way lead screw 1; 1 preceding guide rod 5 is arranged on two-way lead screw 1 the place ahead; With front end stem guiding trough 202, the 302 activity socket connections of last group of guide pin bushing 2 and following group guide pin bushing 3, other 2 preceding guide rods 5 are separately positioned on 2 back-guiding rod 4 the place aheads, 5 liang of skew back the place aheads of guide rod are symmetrical set before middle; Said slide plate 6 is arranged on the rear end of group guide pin bushing 2 and following group guide pin bushing 3, and slide plate 6 is fixedly connected through socket head cap screw 13 with the rear end of upper and lower group of guide pin bushing 2,3; Left and right microscope base 7,8 rear ends of going up are provided with guide pin A14; Left and right microscope base 9,10 rear ends down are provided with guide pin B15; Slide plate 6 arranged outside have outwardly open guide pin slotted eye 601; The left and right microscope base 7,8 of going up is connected with last group of guide pin bushing 2 clampings with guide pin slotted eye 601 through guide pin A14, and left and right microscope base 9,10 down is connected with following group guide pin bushing 3 clampings with guide pin slotted eye 601 through guide pin B15; Left and right upward microscope base 7,8 and left and right microscope base 9,10 down also respectively comprise rear portion magnetic track 01, middle part object lens mounting hole 02 and front end magnetic gathering sill 03, and the leading bar gathering sill 03 of said front end connects with preceding guide rod 5 active card in succession; Said straight-tooth small conical gear 11 is fixedly installed on the top of two-way lead screw 1;
The middle inside of said magnetic track 01 is a semicircular arc concave surface 04, and magnetic track 01 inboard two ends are V-type groove 05, and said V-type groove 05 is made up of the oblique plane of 2 oblique bottoms;
Middle part, the inside of said magnetic gathering sill 03 outer side edges, with preceding guide rod sticking part be a protrusion plane 06;
The microscope base 7,8 and the left and right back side at magnetic track 01 two ends of microscope base 9,10 down and the back side of magnetic gathering sill 03 outer side edges respectively are set with 1 strong magnet 16 on left and right; That is to say that respectively there is 1 strong magnet 16 at the left and right back side of going up microscope base 7,8 two ends, the promptly left and right microscope base 7,8 of going up has 4 strong magnets 16, and same left and right microscope base 9,10 down also has 4 strong magnets 16; Left and right upward microscope base 7,8 and the left and right magnetic gathering sill 03 of microscope base 9,10 down respectively have 1 strong magnet 16, and promptly magnetic gathering sill 03 has 4 strong magnets 16; More than adding up to is 12 strong magnets 16 altogether;
When the left and right V-type groove 05 of going up the magnetic track 01 of microscope base 7,8 and left and right following microscope base 9,10 is run into back-guiding rod 4 surfaces; Because the effect of strong magnet 16 magnetic attracting; The V-type groove 05 and back-guiding rod 4 surfaces of magnetic track 01 are close together; Middle part semicircular arc concave surface 04 does not contact with the back-guiding rod surface, with the power of reducing friction; Simultaneously; When the left and right microscope base 7,8 and left and right down before run on the protrusion plane 06 of front end magnetic gathering sill 03 outer side edges of microscope base 9,10 during guide rod 5 surfaces of going up; Because the effect of strong magnet 16 magnetic attracting, the protrusion plane 06 and preceding guide rod 5 surfaces of magnetic gathering sill 03 outer side edges are close together, and the both sides on the protrusion plane 06 of magnetic gathering sill 03 outer side edges are lower than protrusion plane 06; The both sides on protrusion plane 06 do not contact with preceding guide rod 5 surfaces, with the power of reducing friction.
The said left and right magnetic track 01 of going up microscope base 7,8 is in back-guiding rod 4 upper inner, be connected with back-guiding rod 4 medial surface magnetic attracting; The magnetic track 01 of said left and right down microscope base 9,10 is in the outside, back-guiding rod 4 bottoms, be connected with back-guiding rod 4 lateral surface magnetic attracting.
Said strong magnet 16 is small cylindrical, and its diameter is 5mm; The back side at left and right upward microscope base 7,8 and left and right magnetic track 01 two ends of microscope base 9,10 down and left and right upward microscope base 7,8 and the left and right back side of front end magnetic gathering sill 03 outer side edges of microscope base 9,10 down are provided with strong magnet and cooperate blind hole 07, have 12 strong magnets cooperation blind holes 07; 12 strong magnets 16 cooperate blind hole 07 to be connected for riveted joint with 12 strong magnets respectively; In upper left microscope base 7 and upper right microscope base 8; The strong magnet 16 of magnetic gathering sill 03 and the strong magnet 16 of magnetic track 01 are in the opposition side setting; The strong magnet 16 of magnetic track 01 is arranged on the back inboard of upper left microscope base 7 and upper right microscope base 8, and the strong magnet 16 of magnetic gathering sill 03 is arranged on the preceding outside of upper left microscope base 7 and upper right microscope base 8; Under a left side in microscope base 9, the bottom right microscope base 10; The strong magnet 16 of magnetic gathering sill 03 and the strong magnet 16 of magnetic track 01 are in the homonymy setting, and the strong magnet 16 of magnetic track 01 and the strong magnet 16 of magnetic gathering sill 03 all are arranged on the outside of left microscope base 9 down and bottom right microscope base 10;
The outer face 161 of strong magnet 16 is higher than the back side of the magnetic track back side and magnetic gathering sill outer side edges; Between back-guiding rod 4 surfaces in strong magnet 16 inner faces 162 and the V-type groove 05 is 0.7mm apart from S1, and between preceding guide rod 5 surfaces in strong magnet inner face 162 and the magnetic gathering sill 03 is 1.7mm apart from S2.
Angle between the said V-type groove 05 oblique plane is 90 °.
Said strong magnet 16 is ndfeb magnet N35.
Also comprise spring 17, the semi arch crotch 171 at said spring 17 two ends is connected with left and right guide pin A14 clamping of going up the setting of microscope base 7,8 rear ends.
The lower end of 1,2 back-guiding rods 4 of said two-way lead screw and 3 preceding guide rods 5 is fixedly connected with object lens housing base 18, and supporting surface 19 is fixedly connected on the upper end of 1,2 back-guiding rods 4 of said two-way lead screw and 3 preceding guide rods 5 and the object lens housing; Said straight-tooth small conical gear 11 is that gear drive is connected with straight-tooth large conical gear (not shown), and said straight-tooth large conical gear is fixedly connected with rotation axis 20, and said rotation axis 20 two ends are set with focusing handwheel 21; Supporting surface 19 back lower places are provided with the oblique eyepiece 22 that is provided with in supporting surface 19 front upper places on object lens (not shown), the said object lens housing on the said object lens housing.
Operation instructions: when focusing handwheel 21 clockwise rotates; Focusing handwheel 21 drives two-way lead screw 1 through rotation axis 20 and straight-tooth large conical gear and turns clockwise; Two-way lead screw 1 drives upper and lower group of guide pin bushing 2,3 two ends opposite-oriented movement up and down through the recessed screw thread 101 of its guiding rotation with guide pin bushing fixing pin 12; Left and rightly go up microscope base 7,8 and the left and right magnetic track 01 of microscope base 9,10 down is fitted on the back-guiding rod 4, does reverse motions; The object (not shown) that is observed is elongated from the distance of object lens; Run into supporting surface 19 and object lens housing base 18 on the object lens housing respectively up to upper and lower group of guide pin bushing 2,3, the object that is observed from the distance of object lens change to the longest till; When focusing handwheel 21 rotates counterclockwise; Focusing handwheel 21 drives two-way lead screw 1 through rotation axis 20 and straight-tooth large conical gear and is rotated counterclockwise; Two-way lead screw 1 through recessed screw thread 101 of its guiding rotation and guide pin bushing fixing pin 12 drive upper and lower group of guide pin bushing 2,3 simultaneously to the third side to motion; Left and right upward microscope base 7,8 and the left and right magnetic track 01 of microscope base 9,10 down are fitted on the back-guiding rod 4, do relative motion; The object that is observed shortens from the distance of object lens, runs into group guide pin bushing 3 upper surfaces down up to last group of guide pin bushing 2 lower surfaces, the object that is observed from the distance of object lens change to the shortest till.
Left and right upward microscope base 7,8 of dismounting and left and right microscope base 9,10 down are also easily, simply; When installation and maintenance corrective lens; After whole parts all install, also can be easily take out and left and rightly go up microscope base 7,8 and left and right microscope base 9,10 is down regulated from back-guiding rod 4 sides.Took off left and right microscope base down at 9,10 o'clock at needs, as long as draw with the left and right microscope base 9,10 outside gently down of handgrip, magnetic track 01 will come off from back-guiding rod 4 applying positions, and a side gets final product its taking-up outside back-guiding rod 4 again; Needs take off left and right on microscope base 7,8 o'clock; Focusing handwheel 21 clockwise rotates, and left and right upward microscope base 7,8 and left and right microscope base were down opened certain distance in 9,10 minutes, as long as push away with the left and right microscope base 7,8 inside gently of going up of handgrip; Magnetic track 01 will come off from back-guiding rod 4 applying positions; At this moment, the left and right upward guide pin A14 of microscope base 7,8 and guide pin slotted eye 601 clampings of slide plate 6, and the left and right front end magnetic gathering sill 03 of going up microscope base 7,8 with preceding guide rod 5 clampings; The certain skill of GPRS; Rotate the left and right microscope base 7,8 gone up once by certain orientation, guide pin A14 is laid out from the guide pin slotted eye 601 of slide plate 6, just can take out left and right going up between 7,8 the past of microscope base guide rod 5 and the back-guiding rod 4.
In the time of need installing, operation steps is opposite with above-mentioned action, repeats no more.
Above-described embodiment, the present invention embodiment a kind of more preferably just, common variation that those skilled in the art carries out in technical scheme scope of the present invention and replacement all should be included in protection scope of the present invention.
Claims (7)
1. the micro objective of a tool magnetic track becomes times structure, comprise two-way lead screw, on organize guide pin bushing, group guide pin bushing, 2 back-guiding rods, 3 preceding guide rods, slide plate, upper left microscope base, upper right microscope base, left side microscope base, bottom right microscope base and straight-tooth small conical gear down down; On the said two-way lead screw; Upper and lower reverse direction is provided with 2 roads guiding rotating curve groove; The said group guide pin bushing of going up respectively comprises middle part connecting hole and front end stem guiding trough with following group guide pin bushing; Two-way lead screw interts in the middle part connecting hole of last group of guide pin bushing and following group guide pin bushing, with middle part connecting hole clearance fit, on organize guide pin bushing and the following group guide pin bushing guiding rotating curve groove through guide pin bushing fixing pin and two-way lead screw and be rotationally connected; Said 2 back-guiding rods are symmetricly set on the both sides of two-way lead screw; 1 preceding guide rod is arranged on two-way lead screw the place ahead; With the front end stem guiding trough activity socket connection of last group of guide pin bushing and following group guide pin bushing, other 2 preceding guide rods are separately positioned on 2 back-guiding rod the place aheads, oblique the place ahead, guide rod both sides is symmetrical set before middle; Said slide plate is arranged on the rear end of group guide pin bushing and following group guide pin bushing, and slide plate is fixedly connected through socket head cap screw with the rear end of upper and lower group of guide pin bushing; Left and right base rear end on show is provided with guide pin A; Left and right microscope base rear end down is provided with guide pin B; The slide plate arranged outside has outwardly open guide pin slotted eye; The left and right microscope base of going up is connected with last group of guide pin bushing clamping with the guide pin slotted eye through guide pin A, and left and right microscope base down is connected with following group of guide pin bushing clamping with the guide pin slotted eye through guide pin B; Left and right upward microscope base and left and right microscope base down also respectively comprise rear portion guide rod sticking part, middle part object lens mounting hole and the leading bar gathering sill of front end, and leading bar gathering sill of said front end and preceding guide rod active card connect in succession; Said straight-tooth small conical gear is fixedly installed on the top of two-way lead screw; It is characterized in that:
Said left and right upward microscope base and the left and right rear portion guide rod sticking part of microscope base down are magnetic track, and the middle inside of said magnetic track is the semicircular arc concave surface, and the inboard two ends of magnetic track are the V-type groove, and said V-type groove is made up of the oblique plane of 2 oblique bottoms;
Saidly left and rightly go up microscope base and the left and right leading bar gathering sill of front end of microscope base down is the magnetic gathering sill, the middle part, the inside of said magnetic gathering sill outer side edges, with preceding guide rod sticking part be a protrusion plane;
The microscope base and the left and right back side at the magnetic track two ends of microscope base down and the back side of leading bar gathering sill outer side edges respectively are set with 1 strong magnet on left and right, are 12 strong magnets altogether;
When going up microscope base and the left and right V-type groove of the magnetic track of microscope base down and running into the back-guiding rod surface, because the effect of strong magnet magnetic attracting, the V-type groove and the back-guiding rod surface of magnetic track are close together when left and right; Simultaneously, when the left and right microscope base and left and right down before run on the protrusion plane of the front end magnetic gathering sill outer side edges of microscope base during the guide rod surface of going up, because the effect of strong magnet magnetic attracting, the protrusion plane of magnetic gathering sill outer side edges and preceding guide rod surface are close together.
2. the micro objective of a kind of tool magnetic track according to claim 1 becomes times structure, it is characterized in that: the said left and right magnetic track of going up microscope base is in the back-guiding rod upper inner, be connected with back-guiding rod medial surface magnetic attracting; The magnetic track of said left and right down microscope base is in the outside, back-guiding rod bottom, be connected with back-guiding rod lateral surface magnetic attracting.
3. the micro objective of a kind of tool magnetic track according to claim 1 becomes times structure, and it is characterized in that: said strong magnet is small cylindrical, and its diameter is 3-8mm; The back side at left and right upward microscope base and the left and right magnetic track two ends of microscope base down and left and right upward microscope base and the left and right back side of the front end magnetic gathering sill outer side edges of microscope base down are provided with strong magnet and cooperate blind hole, have 12 strong magnets cooperation blind holes; 12 strong magnets cooperate blind hole to be connected for riveted joint with 12 strong magnets respectively; The outer face of strong magnet is higher than the back side of the magnetic track back side and magnetic gathering sill outer side edges; Distance in strong magnet inner face and the V-type groove between the back-guiding rod surface is 0.2-3mm, and the distance in strong magnet inner face and the magnetic gathering sill between the preceding guide rod surface is 0.2-3mm.
4. the micro objective of a kind of tool magnetic track according to claim 3 becomes times structure, and it is characterized in that: the said diameter that is the small cylindrical strong magnet is 5mm; Distance in strong magnet inner face and the V-type groove between the back-guiding rod surface is 0.7mm, and the distance in strong magnet inner face and the magnetic gathering sill between the preceding guide rod surface is 1.7mm.
5. the micro objective of a kind of tool magnetic track according to claim 1 becomes times structure, and it is characterized in that: the angle between the oblique plane of said V-type groove is 90 °.
6. the micro objective of a kind of tool magnetic track according to claim 1 becomes times structure, and it is characterized in that: said strong magnet is ndfeb magnet N35.
7. the micro objective of a kind of tool magnetic track according to claim 1 becomes times structure, it is characterized in that: also comprise spring, the semi arch crotch of said both ends of the spring is connected with the guide pin A clamping that left and right base rear end on show is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102715565A CN102749701A (en) | 2012-07-31 | 2012-07-31 | Microscope objective lens zooming structure with magnetic guide rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102715565A CN102749701A (en) | 2012-07-31 | 2012-07-31 | Microscope objective lens zooming structure with magnetic guide rails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102749701A true CN102749701A (en) | 2012-10-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102715565A Pending CN102749701A (en) | 2012-07-31 | 2012-07-31 | Microscope objective lens zooming structure with magnetic guide rails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102749701A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4650296A (en) * | 1984-11-12 | 1987-03-17 | Nippon Kogaku K.K. | Magnification changing mechanism of a microscope |
| US4690519A (en) * | 1985-05-17 | 1987-09-01 | Bausch & Lomb Incorporated | Zoom microscope having a crank and linkage mechanism |
| US5675442A (en) * | 1994-01-14 | 1997-10-07 | Leica Inc. | Microscope lens guide system |
| JP2001272607A (en) * | 2000-03-28 | 2001-10-05 | Nikon Corp | Microscope having coarse and fine adjusting device |
| CN2674475Y (en) * | 2004-02-18 | 2005-01-26 | 董玉明 | Microscope focusing device with magnetism |
| CN202735584U (en) * | 2012-07-31 | 2013-02-13 | 宁波湛京光学仪器有限公司 | Microscope object lens zooming structure with magnetic guide rail |
-
2012
- 2012-07-31 CN CN2012102715565A patent/CN102749701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4650296A (en) * | 1984-11-12 | 1987-03-17 | Nippon Kogaku K.K. | Magnification changing mechanism of a microscope |
| US4690519A (en) * | 1985-05-17 | 1987-09-01 | Bausch & Lomb Incorporated | Zoom microscope having a crank and linkage mechanism |
| US5675442A (en) * | 1994-01-14 | 1997-10-07 | Leica Inc. | Microscope lens guide system |
| JP2001272607A (en) * | 2000-03-28 | 2001-10-05 | Nikon Corp | Microscope having coarse and fine adjusting device |
| CN2674475Y (en) * | 2004-02-18 | 2005-01-26 | 董玉明 | Microscope focusing device with magnetism |
| CN202735584U (en) * | 2012-07-31 | 2013-02-13 | 宁波湛京光学仪器有限公司 | Microscope object lens zooming structure with magnetic guide rail |
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Application publication date: 20121024 |