CN107085274A

CN107085274A - Optical bench

Info

Publication number: CN107085274A
Application number: CN201710320675.8A
Authority: CN
Inventors: 周峙
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-09
Filing date: 2017-05-09
Publication date: 2017-08-22
Anticipated expiration: 2037-05-09
Also published as: CN107085274B

Abstract

The invention discloses a kind of optical bench, including pedestal and multiple fixtures for being used to install experiment component, the joint face extended along a first direction is provided with pedestal, joint face is provided with the first scale on pedestal, uniform intervals are provided with multiple first plug divisions on joint face, the second plug division is provided with fixture, the first plug division of each fixture can coordinate with the grafting of any second plug division；It is connected with knob, drive link to be located on the inside of housing positioned at one end of hull outside on drive link and is connected with gear, gear and rack is meshed, and fixed block is fixedly connected on rack；The distance being provided with housing around knob between the second scale, adjacent two first plug division is not more than the distance that the circle of drive rod rotation one drives fixed block motion, and the first scale is more order of magnitude greater than the second scale.The optical bench that the present invention is provided, not only easy uniform rotation during the knob manipulation of connection gear, also conveniently can disposably turn to target position.

Description

Optical bench

Technical field

The present invention relates to Physical Experiment technology, and in particular to a kind of optical bench.

Background technology

It is related to multiple Experiments of Optics, such as convex lens experiment, concavees lens experiment, pinhole imaging system experiment in middle school physical experiment Experiment equipment Deng, these Experiments of Optics includes optical bench, and each Experiments of Optics element is installed on optical bench corresponding to complete Experiment.

Inventor has found that in the prior art, optical bench includes being provided with one on base, base in usually learning and studying Multiple fixtures for being used to fix Experiments of Optics element are slidably connected on slide rail, slide rail, during experiment, by different experiment components It is fixed to one by one on each fixture, after point bright light source, by slidably reciprocating fixture on slide rail to obtain experimental result.

It is in place of the deficiencies in the prior art, due to being slidably connected with certain inertia, during experiment, is on the one hand difficult to even Speed mobile fixture on slide rail, such as by fixture at the uniform velocity from the change that image from 7cm is sentenced is moved at 5cm, at the uniform velocity Movement is difficult to；On the other hand it is difficult to the mobile fixture settled at one go to target position, is slided into if desired for by fixture At 5.4cm, twice could because fixture is often moved between 5.3cm-5.5cm, it is necessary to adjust one by inertia for the first time Reach at 5.4cm.

The content of the invention

It is an object of the invention to provide a kind of optical bench, with the above-mentioned weak point in solution technology.

To achieve these goals, the present invention provides following technical scheme：

It is provided with a kind of optical bench, including pedestal and multiple fixtures for being used to install experiment component, the pedestal It is provided with the joint face extended along a first direction, the pedestal along the joint face on the first scale, the joint face Uniform intervals, which are provided with multiple first plug divisions, the fixture, is provided with the second plug division, and the first of each fixture Plug division can coordinate with the grafting of any second plug division；

The fixture includes housing, drive link, gear, the rack and fixed block of ring-type, and the drive link runs through institute State to be connected with knob, the drive link positioned at one end of hull outside on housing, the drive link and be located at the interior of the housing Side is connected with the gear, and the gear and the rack are meshed, and slide rail, the fixation are provided with the top surface of the housing Block is slidably connected on the slide rail, and the fixed block is fixedly connected on the rack；

The distance that the circular knob is provided between the second scale, the first plug division described in adjacent two on the housing is little The distance for driving the fixed block motion is enclosed in the drive rod rotation one, first scale is bigger than second scale one The order of magnitude.

Above-mentioned optical bench, first plug division is the groove structure being arranged on the joint face, and described second inserts Socket part is the bulge-structure being arranged on the fixture, and the groove structure successively decreases successively from notch to bottom land radial dimension, The bottom land is fixed with magnet, and the bulge-structure is magnetic structure.

Above-mentioned optical bench, the slide rail is the strip slot for the opposite sides for being arranged at the housing top surface, the fixation Opposite sides is provided with fin on block, and two fins are corresponded with two strip slots and are slidably connected, the rack It is arranged between two strip slots.

The first hole and the second hole being connected are provided with above-mentioned optical bench, the fixed block, first hole includes It is bolted with the first paragraph and second segment of perpendicular setting, the first paragraph in the first bar, the second segment and slidably connects Two bars, the end of first bar is Tapered Cup, and the end of second bar is inclined-plane, and the inclined-plane fits in the Tapered Cup On；

The rack is located in second hole, and two sides of the rack are respectively by the hole wall in second hole and the The end clamping of two bars.

The position that the rack is clamped on above-mentioned optical bench, the hole wall in second hole and on the end of the second bar is all provided with It is equipped with elastic portion.

Above-mentioned optical bench, the bottom of the first paragraph is provided with escape groove, the profile of the escape groove and described first The profile of boom end is mutually agreed with.

Toothed member, the movable row of toothed member are slidably connected on the hole wall in above-mentioned optical bench, the second bar and the second hole Journey is a tooth form, and toothed member is meshed with the profile of rack.

T-shaped sliding block is provided with above-mentioned optical bench, the toothed member, is provided between second bar and the toothed member Cushion, the vertical section of the T-shaped sliding block runs through the cushion, and the horizontal segment of the T-shaped sliding block is slidably connected to described the In the chute opened up on two bars, it is provided with the horizontal segment on the first locating part, a side wall of the chute and is provided with Two locating parts；

When the cushion is in diastole state, first locating part and the second locating part are not contacted, when the bullet Property pad by compression predetermined amplitude when, first locating part and the second locating part are spacing to be coordinated.

Above-mentioned optical bench, first locating part and the second locating part are detent projection.

Center instruction line is provided with above-mentioned optical bench, the fixed block, when the fixed block is located at the housing During crown center position, the center instruction line is docked with the zero graduation line of second scale and both are in same straight line On.

In the above-mentioned technical solutions, the optical bench that the present invention is provided, fixture is first inserted on pedestal by the first step during experiment Position Approximate, carry out coarse positioning, then by knob with drive fixture micro-shifting move, fine positioning is realized, compared to slip Connection, not only easy uniform rotation during the knob manipulation of connection gear, also conveniently can disposably turn to target position Put.

Brief description of the drawings

, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation of optical bench provided in an embodiment of the present invention；

Fig. 2 is the top view of pedestal provided in an embodiment of the present invention；

Fig. 3 is the sectional view of pedestal provided in an embodiment of the present invention.

Fig. 4 is the top view of fixture provided in an embodiment of the present invention；

Fig. 5 is the front view that fixture provided in an embodiment of the present invention removes fixed block；

Fig. 6 is the sectional view of fixed block provided in an embodiment of the present invention；

Fig. 7 is the structural representation of the second bar provided in an embodiment of the present invention；

Fig. 8 is the connection diagram of the second bar provided in an embodiment of the present invention and toothed member.

Description of reference numerals：

1st, pedestal；2nd, fixture；3rd, joint face；4th, the first scale；5th, the first plug division；6th, the second plug division；7th, housing； 8th, rack；9th, fixed block；10th, knob；11st, slide rail；12nd, the second scale；13rd, magnet；14th, the first hole；15th, the second hole；16th, One section；17th, second segment；18th, the first bar；19th, the second bar；20th, elastic portion；21st, escape groove；22nd, toothed member；23rd, center is indicated Line；24th, T-shaped sliding block；25th, cushion；26th, chute；27th, horizontal segment；28th, vertical section；29th, the first locating part；30th, second is spacing Part.

Embodiment

In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair It is bright to be further detailed.

As shown in figs. 1-7, a kind of optical bench provided in an embodiment of the present invention, including pedestal 1 and it is multiple be used for reality is installed Test and be provided with the fixture 2 of element, the pedestal 1 on the joint face 3 extended along a first direction, the pedestal 1 along institute State joint face 3 and be provided with uniform intervals on the first scale 4, the joint face 3 and be provided with multiple first plug divisions 5, the fixation The second plug division 6 is provided with part 2, the first plug division 5 of each fixture 2 can coordinate with any grafting of second plug division 6； The fixture 2 includes housing 7, drive link, gear, the rack 8 and fixed block 9 of ring-type, and the drive link runs through the shell The one end for being located at the outside of housing 7 on body 7, the drive link is connected with knob 10, the drive link positioned at the interior of the housing 7 Side is connected with the gear, and the gear and the rack 8 are meshed, and slide rail 11 is provided with the top surface of the housing 7, described Fixed block 9 is slidably connected on the slide rail 11, and the fixed block 9 is fixedly connected on the rack 8；Ring on the housing 7 The knob 10 is provided with the second scale 12, the distance between the first plug division 5 described in adjacent two is not more than the drive link and turned A dynamic circle drives the distance that the fixed block 9 is moved, and first scale 4 is more order of magnitude greater than second scale 12.

Specifically, pedestal 1 is the understructure of optical bench, it is positioned on experiment desktop during experiment, of the prior art Slide rail 11 is provided with pedestal 1, the present embodiment sets the region of slide rail 11 to set a joint face 3 on pedestal 1, and joint face 3 can To be that plane can also be that a series of first plug division 5 is set on curved surface, joint face 3, the arranged direction of each first plug division 5 (first direction) is that the second plug division 6, the first grafting are provided with the bearing of trend of slide rail 11 in the prior art, fixture 2 The plug division 6 of portion 5 and second plugs cooperation, and fixture 2 is inserted into corresponding first plug division 5 according to the actual requirements during experiment On.First plug division 5 and the second plug division 6 are the connected structure being engaged, and connected structure is common mechanical system, such as column Grafting with the grafting of through hole, public plug and female and in the prior art other connected structures etc..Fixture 2 is wrapped Include including housing 7, drive link, gear, ring-type rack 8 and fixed block 9, the second plug division 6 is arranged on housing 7, fixed Part 2 is connected on pedestal 1 by housing 7, meanwhile, running part is additionally provided with housing 7 to drive final experiment component, is passed Dynamic element includes drive link, gear, the rack 8 of ring-type, and one end of drive link is provided with knob 10 and knob 10 is located at housing 7 Outside, knob 10 is rotated for experimenter, and the other end of drive link is connected with gear, and rack 8 is annularly arranged, wheel and rack 8 It is meshed, such turning knob 10 can drive drive rod rotation, drive link drives pinion rotation, the annular of gear driving rack 8 Motion, fixed block 9 is fixed on gear, while fixed block 9 is slidably connected on the slide rail 11 of the top surface of housing 7, more than Drive mechanism, turning knob 10 can drive fixed block 9 to be moved back and forth on housing 7 along slide rail 11, and experiment component is fixed on On fixed block 9, the driving to fixed block 9 is so realized.

In the present embodiment, have on joint face 3 display the position of the first plug division 5 the first scale 4, knob 10 it is outer be with it is aobvious Show the rotation amplitude of knob 10 namely the second scale 12 of the displacement of fixed block 9, the first scale 4 and the second scale 12 are scale Value, maximum shift motion of the fixed block 9 on housing 7 is more than the distance between two adjacent first plug divisions 5, such as adjacent first grafting The distance that portion is 5 is 10cm, then the stroke of fixed block 9 is more than 10cm, is such as 10cm, 12cm, 15cm.Such fixed block 9 Any operating position on joint face 3 is arranged to, can not be arranged without blind spot.Meanwhile, the order of magnitude of the first scale 4 More than the order of magnitude of the second scale 12, such as the first scale 4 is decimeter grade, 1 decimeter is marked thereon, 2 decimeters until 20 decimeters, 50 points Rice etc., the distance of adjacent first plug connector is 1 decimeter, two decimeters etc., corresponding, the order of magnitude of the second scale 12 for li Rice, 1 centimetre to 10 centimetres, 1 centimetre to 20 centimetres etc..If the order of magnitude of the first scale 4 is Centimeter Level, the second scale 12 The order of magnitude is grade.

When in use, laboratory technician first probably judges the fixed position of fixed block 9 to the optical bench that the present embodiment is provided, so that will Fixture 2 be fixed to annex first plug division 5 on, when then testing, slow turning knob 10 with observation experiment phenomenon, Final to obtain experimental result, if being found in experimentation, the position gap of fixture 2 is larger, pulls up fixture 2 and is inserted into addition On suitable first plug division 5.In the present embodiment, the first plug division 5 is the coarse positioning of fixed block 9, and knob 10 rotates to fix The fine positioning of block 9, when finally calculating, the scale that the scale of the first scale 4 added or cut the second scale 12 is fixed block 9 Location.

Optical bench provided in an embodiment of the present invention, fixture 2 is first inserted into the big position approximate on pedestal 1 by the first step during experiment Put, carry out coarse positioning, then rotated by knob 10 to drive the micro-shifting of fixture 2 to move, realize fine positioning, compared to being slidably connected, Not only easy uniform rotation when the knob 10 for connecting gear is manipulated, also conveniently can disposably turn to target position.

In the present embodiment, it is preferred that first plug division 5 is the groove structure being arranged on the joint face 3, described Second plug division 6 is to be arranged at bulge-structure on the fixture 2, the groove structure from notch to bottom land radial dimension according to Secondary to successively decrease, the bottom land is fixed with magnet 13, and the bulge-structure is magnetic structure, and radial dimension successively decreases to form a guiding successively Structure, such as horn mouth, inverted cone shape structure, are so easy to the insertion of the second plug division 6, and on the one hand magnet 13 cause the first grafting The connection of the plug division 6 of portion 5 and second is more firm, and another aspect magnet 13 can accurately hold bulge-structure, also make Obtain its positioning more accurate.

In the present embodiment, further, the slide rail 11 is the strip for the opposite sides for being arranged at the top surface of housing 7 Opposite sides is provided with fin on groove, the fixed block 9, and two fins and two strip slots correspond the company of slip Connect, the rack 8 is arranged between two strip slots, two slide rails 11 make it that the slip of fixed block 9 is more stable, set In top surface opposite sides to the balanced support effect of fixed block 9 more preferably, the intermediate region of fixed block 9 receives driving, and both sides Give and support.

In the present embodiment, as shown in fig. 6, further, the first hole 14 being connected and are provided with the fixed block 9 Two holes 15, first hole 14 includes being bolted with the first paragraph 16 and second segment 17 of perpendicular setting, the first paragraph 16 The second bar 19 is slidably connected in one bar 18, the second segment 17, the end of first bar is Tapered Cup, second bar End is inclined-plane, and the inclined-plane is fitted in the Tapered Cup；The rack 8 is located in second hole 15, the rack 8 Two sides are clamped by the end of the hole wall in second hole 15 and the second bar 19 respectively, and fixed block 9 passes through the second bar 19 and the The clamping of the hole wall of two hole 15 to be fixedly connected on rack 8, meanwhile, the second bar 19 is movably connected on the first hole 14 in fixed block 9 Second segment 17 in, it receives the driving of the first bar 18 in first paragraph 16, and the end face of the first bar 18 and the second bar 19 is is affixed The inclined-plane of conjunction, thus constitutes tapered wedge driving mechanism, during the first bar 18 is bolted in first paragraph 16, during operation, and laboratory technician rotates the One bar 18 is to control it to retreat, when the first bar 18 is gradually backed out, and the second bar 19 can be freely movable, can now drop fixed block 9, it can be relatively moved with rack 8, so as to adjust the fixed position of fixed block 9, such as carry out needing to adjust during position correction Position etc. is saved, and when the first bar 18 is towards during the direction movement for entering first paragraph 16, it can then press the second bar 19, so that Second bar 19 tightly suppresses rack 8, and now fixed block 9 is closely connected with rack 8.

In the present embodiment, the surface of rack 8 is tooth-shape structure, and is difficult to the particular location of its tooth top of determination and teeth groove, because What the hole wall in this hole 15 of the second bar 19 and second was difficult to fit together perfectly clamps rack 8, therefore, the present embodiment provides two preferably Technical scheme, first, the position that the rack 8 is clamped on the hole wall in second hole 15 and on the end of the second bar 19 is respectively provided with Flexible portion 20, such as rubber blanket, set elastic portion 20 have double action, one its can preferably block rack 8, rack 8 Outer surface is concavo-convex uneven structure, and elastic portion 20 more efficiently can block tooth-shape structure, on the other hand, when the first bar 18 When not oppressing the second bar 19, elastic portion 20, which resiles, also allows for the relative movement of rack 8 and fixed block 9.Further, it is described The bottom of first paragraph 16 is provided with the profile phase contract of escape groove 21, the profile of the escape groove 21 and the end of the first bar 18 Close, after long-term use, the possible elasticity capacity of elastic component declines, and so needs the first bar 18 further to oppress the second bar 19 to carry For bigger pressure, escape groove 21 is used to move and more than the edge of the second bar 19 inside the further fixed block 9 of the first bar 18 Inserted during part, prevent the cell wall of now first paragraph 16 from stopping being advanced further for the first bar 18.

Second, as shown in fig. 7, slidably connecting toothed member 22, toothed member on the second bar 19 and the hole wall in the second hole 15 22 active strokes are a tooth form, and toothed member 22 is meshed with the profile of rack 8, the hole wall in the second bar 19 and the second hole 15 Upper setting rail structure, toothed member 22 is slidably connected on the rail structure, while setting position limiting structure so that toothed member 22 Sliding stroke is limited, and so when clamping rack 8, toothed member 22 slides into the position being meshed with rack 8, this reality automatically Apply in example, in order to ensure that toothed member 22 is no longer slided, it is necessary to which tight stubborn first bar 18, makes it apply the second bar 19 during use Sufficiently large pressure.As further solution, as shown in figure 8, T-shaped sliding block 24 is provided with the toothed member 22, institute State and cushion 25 is provided between the second bar 19 and the toothed member 22, the vertical section 28 of the T-shaped sliding block 24 runs through the elasticity Pad 25, the horizontal segment 27 of the T-shaped sliding block 24 is slidably connected in the chute 26 opened up on second bar 19, the horizontal segment It is provided with 27 on first locating part 29, a side wall of the chute 26 and is provided with the second locating part 30；In regulation fixed block 9 When, due to the compressing without the first bar 18, the cushion 25 is in diastole state, now first locating part 29 and second Locating part 30 is not contacted, and tooth form block can freely slidably reciprocate, and the second bar 19 by the first bar 18 when being oppressed, the cushion 25 when being compressed to predetermined amplitude, and the locating part 30 of first locating part 29 and second is spacing to be coordinated, now because first is spacing The stop of part 29, the second locating part 30 can not be moved, and now toothed member 22 is natural to move, must which solves the first bar 18 Must tightly twist can just prevent the problem of toothed member 22 is slided, when the first bar 18 is screwed to predetermined amplitude so that the first locating part 29 and second During 30 spacing cooperation of locating part, toothed member 22 can not be moved certainly due to spacing.In the present embodiment, it is preferred that first limit The position locating part 30 of part 29 and second is detent projection, and detent projection is easier to coordinate, however, it will be apparent that the first locating part 29 and the Two locating parts 30 can also other position limiting structures, such as array arrangement in the prior art gag lever post or spacing hole.

In the present embodiment, further, center instruction line 23 is provided with the fixed block 9, when the fixed block 9 is located at During the crown center position of the housing 7, the center instruction line 23 is docked and two with the zero graduation line of second scale 12 Person is on same straight line.Every time before experiment, it is preferred that adjust fixed block 9 to cause the scale of center instruction line 23 and second 12 zero graduation line docking, so on the one hand the position of explanation fixed block 9 does not shift correctly, if skew needs to carry out school Standard, on the other hand also allows for follow-up data record, and zero-bit directly adds and subtracts the distance of the rotation of knob 10 to its.

Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention The limitation of claims.

Claims

1. it is provided with edge on a kind of optical bench, including pedestal and multiple fixtures for being used to install experiment component, the pedestal And the joint face is provided with the first scale on the joint face of first direction extension, the pedestal, it is characterised in that be described Uniform intervals, which are provided with multiple first plug divisions, the fixture, on joint face is provided with the second plug division, each fixation First plug division of part can coordinate with the grafting of any second plug division；

The fixture includes housing, drive link, gear, the rack and fixed block of ring-type, and the drive link runs through the shell It is connected with knob, the drive link to be located on the inside of the housing positioned at one end of hull outside on body, the drive link and connects The gear is connected to, the gear and the rack are meshed, slide rail is provided with the top surface of the housing, the fixed block is slided Dynamic to be connected on the slide rail, the fixed block is fixedly connected on the rack；

The distance being provided with the housing around the knob between the second scale, the first plug division described in adjacent two is not more than institute State the distance that the circle of drive rod rotation one drives the fixed block motion, first scale quantity bigger than second scale Level.

2. optical bench according to claim 1, it is characterised in that first plug division is to be arranged on the joint face Groove structure, second plug division is the bulge-structure being arranged on the fixture, the groove structure from notch to Bottom land radial dimension successively decreases successively, and the bottom land is fixed with magnet, and the bulge-structure is magnetic structure.

3. optical bench according to claim 1, it is characterised in that the slide rail is be arranged at the housing top surface relative Opposite sides is provided with fin on the strip slot of both sides, the fixed block, and two fins and two strip slots are one by one Correspondence is slidably connected, and the rack is arranged between two strip slots.

4. optical bench according to claim 1, it is characterised in that be provided with the fixed block the first hole for being connected and Second hole, first hole includes being bolted with the first bar in the first paragraph and second segment of perpendicular setting, the first paragraph, described The second bar is slidably connected in second segment, the end of first bar is Tapered Cup, and the end of second bar is inclined-plane, described Inclined-plane is fitted in the Tapered Cup；

The rack is located in second hole, and two sides of the rack are respectively by the hole wall and the second bar in second hole End clamping.

5. optical bench according to claim 4, it is characterised in that on the hole wall in second hole and on the end of the second bar The position for clamping the rack is provided with elastic portion.

6. optical bench according to claim 5, it is characterised in that the bottom of the first paragraph is provided with escape groove, described The profile of escape groove is mutually agreed with the profile of first boom end.

7. optical bench according to claim 4, it is characterised in that slidably connected on the second bar and the hole wall in the second hole Toothed member, the active strokes of toothed member are a tooth form, and toothed member is meshed with the profile of rack.

8. optical bench according to claim 7, it is characterised in that T-shaped sliding block, described second are provided with the toothed member Cushion is provided between bar and the toothed member, the vertical section of the T-shaped sliding block runs through the cushion, the T-shaped sliding block Horizontal segment is slidably connected in the chute opened up on second bar, and the first locating part, the cunning are provided with the horizontal segment The second locating part is provided with one side wall of groove；

When the cushion is in diastole state, first locating part and the second locating part are not contacted, when the cushion During by compression predetermined amplitude, first locating part and the second locating part are spacing to be coordinated.

9. optical bench according to claim 8, it is characterised in that first locating part and the second locating part are dentation It is raised.

10. optical bench according to claim 1, it is characterised in that center instruction line is provided with the fixed block, works as institute When stating fixed block positioned at the crown center position of the housing, the center instruction line and the zero graduation line pair of second scale Connect and both are on same straight line.