CN207052170U - A kind of Physical Experiment lens - Google Patents
A kind of Physical Experiment lens Download PDFInfo
- Publication number
- CN207052170U CN207052170U CN201720668194.1U CN201720668194U CN207052170U CN 207052170 U CN207052170 U CN 207052170U CN 201720668194 U CN201720668194 U CN 201720668194U CN 207052170 U CN207052170 U CN 207052170U
- Authority
- CN
- China
- Prior art keywords
- steel ball
- slide
- sleeve
- lens
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a kind of Physical Experiment lens, slide rail including a pair of base and between a pair of base, light source is installed on one of pedestal, several have been slidably connected on slide rail to be respectively used to support lens, the slide of light transmission screen and white screen, lens, light transmission screen and white screen are connected by a support bar with one of slide respectively, slide upper end is provided with projection, jack is provided with projection, interference fit has sleeve in jack, support bar is plugged in sleeve, it is in circumferentially distributed chute that several are provided with the side wall of jack, steel ball has been slidably connected in chute, the annular groove for being available for steel ball part to be caught in is provided with the side wall of support bar, the spring for promoting steel ball is provided with chute, the bellmouth for being available for steel ball part to pass is provided with the side wall of sleeve；It is more convenient when changing lens, light transmission screen and white screen by using said structure, brought conveniently to experimenter.
Description
Technical field
The utility model belongs to physics facility technical field, is related to a kind of Physical Experiment lens.
Background technology
In physical teaching course, Physical Experiment lens are often used, current Physical Experiment lens are general
Slide rail including a pair of base and between a pair of base, several have been slidably connected on slide rail and has been respectively used to support
The slide of lens, light transmission screen and white screen, lens, light transmission screen and white screen are connected by a support bar and one of slide respectively
Connect, but the support bar currently used for support lens, light transmission screen and white screen is threadedly coupled with slide, so, when need
When changing the lens of different focal, the shortcomings that replacing trouble be present, and when light transmission screen and white screen are damaged, change equally also very
It is inconvenient.
The content of the invention
In view of the above-mentioned problems, the technical problems to be solved in the utility model be to provide one kind can give lens, light transmission screen and
The Physical Experiment lens that the replacing of white screen is brought convenience.
Physical Experiment lens of the present utility model, including a pair of base and the slide rail between a pair of base, its
In light source is installed on a pedestal, several have been slidably connected on slide rail and has been respectively used to support lens, light transmission screen and white
The slide of screen, lens, light transmission screen and white screen are connected by a support bar with one of slide respectively, and slide upper end is provided with
Projection, jack is provided with projection, interference fit has sleeve in jack, and support bar is plugged in sleeve, is set in the side wall of jack
It is in circumferentially distributed chute to be equipped with several, has been slidably connected steel ball in chute, has been provided with and is available in the side wall of support bar
The annular groove that steel ball part is caught in, it is provided with for promoting steel ball so that steel ball snaps onto the bullet on annular groove in chute
Spring, it is provided with the side wall of sleeve and is available for steel ball part to pass so that steel ball snaps onto the bellmouth on annular groove.
Physical Experiment lens of the present utility model, wherein, the bottom of jack is provided with boss, and boss is round table-like knot
Structure, the bottom of support bar are provided with the slot for being available for boss to insert；By the setting of boss and slot, one can be entered to support bar
Step plays spacing effect, avoids support bar from the phenomenon rocked occur.
Physical Experiment lens of the present utility model, wherein, the upper end of sleeve is provided with outside annular bending, annular folding
Curved lower surface and the upper surface of projection offset；In this way, when sleeve is inserted into jack, it can be ensured that bellmouth and cunning
Groove aligns in vertical direction.
Physical Experiment lens of the present utility model, wherein, it is fixed with the slide of projection side for pulling slide edge
The handle of slide rail movement, handle upper end are provided with bulb.
Physical Experiment lens of the present utility model, wherein, the outer wrap of bulb has sponge, is set on the outer surface of sponge
It is equipped with several anti-skid bulges；By the setting of sponge, when human hands have sweat, be avoided that hand and the bulb on handle it
Between there is the phenomenon skidded, by the setting of anti-skid bulge, anti-skidding effect can be further functioned as.
The utility model beneficial effect：The utility model is provided with jack in projection by setting projection in slide upper end,
Interference fit has sleeve in jack, and support bar is plugged in sleeve, and several are provided with the side wall of jack in circumferentially distributed
Chute, steel ball has been slidably connected in chute, the annular groove for being available for steel ball part to be caught in is provided with the side wall of support bar,
It is provided with chute for promoting steel ball so that steel ball snaps onto the spring on annular groove, is provided with and is available in the side wall of sleeve
Steel ball part passes so that steel ball snaps onto the bellmouth on annular groove；By using said structure, lens, printing opacity are connected to
Screen and the support bar of white screen lower end easily can be extracted and are installed in sleeve from sleeve, with conventionally employed threaded connection
Mode is compared, more convenient when changing lens, light transmission screen and white screen, is brought conveniently to experimenter.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is the cross section structure diagram after slide is connected with support bar；
Fig. 3 is the structural representation after amplifying in Fig. 2 at A；
Fig. 4 is the structural representation after amplifying in Fig. 2 at B.
Embodiment
Physical Experiment lens as Figure 1-4, including a pair of base 1 and the slide rail between a pair of base 1
2, light source 3 is installed on one of pedestal 1, several have been slidably connected on slide rail 2 and has been respectively used to support lens 4, thoroughly
Optical screen 5 and the slide of white screen 67, lens 4, light transmission screen 5 and white screen 6 are connected by a support bar 8 and one of slide 7 respectively
Connect, the upper end of slide 7 is provided with projection 71, and jack 72 is provided with projection 71, and interference fit has sleeve 73, support bar in jack 72
8 are plugged in sleeve 73, and it is in circumferentially distributed chute 74 that several are provided with the side wall of jack 72, in chute 74 slideably
Steel ball 75 is connected with, the annular groove 81 for being available for the part of steel ball 75 to be caught in is provided with the side wall of support bar 8, is set in chute 74
Have for promoting steel ball 75 so that steel ball 75 snaps onto the spring 76 on annular groove 81, be provided with and be available in the side wall of sleeve 73
The part of steel ball 75 passes so that steel ball 75 snaps onto the bellmouth 731 on annular groove 81.
The bottom of jack 72 is provided with boss 77, and boss 77 is round-like structure, the bottom of support bar 8 be provided be available for it is convex
The slot 82 that platform 77 inserts；By the setting of boss and slot, spacing effect can be further functioned as to support bar, avoids propping up
There is the phenomenon rocked in strut.
The upper end of sleeve 73 is provided with outside annular bending 732, the lower surface of annular bending 732 and the upper end of projection 71
Face offsets；In this way, when sleeve is inserted into jack, it can be ensured that bellmouth aligns with chute in vertical direction.
The handle 9 for pulling slide 7 to be moved along slide rail 2 is fixed with the slide 7 of the side of projection 71, the upper end of handle 9 is set
It is equipped with bulb 91.
The outer wrap of bulb 91 has sponge 92, and several anti-skid bulges 921 are provided with the outer surface of sponge 92；Pass through
The setting of sponge, when human hands have sweat, it is avoided that between the bulb on hand and handle the phenomenon skidded occur, by anti-
Sliding raised setting, can further function as anti-skidding effect.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.On the premise of the utility model design conception is not departed from, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, the scope of protection of the utility model, this reality all should be dropped into
With new claimed technology contents, all record in detail in the claims.
Claims (5)
1. a kind of Physical Experiment lens, including a pair of base (1) and the slide rail (2) between a pair of base (1), wherein
Light source (3) is installed on one pedestal (1), it is characterised in that：Several are slidably connected on the slide rail (2) to use respectively
In the slide (7) of support lens (4), light transmission screen (5) and white screen (6), the lens (4), light transmission screen (5) and white screen (6) are respectively
It is connected by a support bar (8) with one of slide (7), slide (7) upper end is provided with projection (71), the projection
(71) jack (72) is provided with, interference fit has sleeve (73) in the jack (72), and the support bar (8) is plugged on sleeve
(73) in, it is in circumferentially distributed chute (74) that several are provided with the side wall of the jack (72), can in the chute (74)
Being slidably connected has steel ball (75), and be available for steel ball (75) to be partly caught in annular recessed is provided with the side wall of the support bar (8)
Groove (81), it is provided with the chute (74) for promoting steel ball (75) so that steel ball (75) is snapped onto on annular groove (81)
Spring (76), it is provided with the side wall of the sleeve (73) and is available for steel ball (75) partly to pass so that steel ball (75) snaps onto annular
Bellmouth (731) on groove (81).
2. Physical Experiment lens according to claim 1, it is characterised in that：The bottom of the jack (72) is provided with convex
Platform (77), the boss (77) are round-like structure, and the bottom of the support bar (8), which is provided with, is available for inserting for boss (77) insertion
Groove (82).
3. Physical Experiment lens according to claim 1, it is characterised in that：The upper end of the sleeve (73) sets oriented
Outer annular bending (732), the lower surface and the upper surface of projection (71) of the annular bending (732) offset.
4. Physical Experiment lens according to claim 1, it is characterised in that：The slide (7) of projection (71) side
On be fixed with that handle (9) upper end is provided with bulb (91) along slide rail (2) mobile handle (9) for pulling slide (7).
5. Physical Experiment lens according to claim 4, it is characterised in that：The outer wrap of the bulb (91) has sea
Continuous (92), several anti-skid bulges (921) are provided with the outer surface of the sponge (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668194.1U CN207052170U (en) | 2017-06-09 | 2017-06-09 | A kind of Physical Experiment lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668194.1U CN207052170U (en) | 2017-06-09 | 2017-06-09 | A kind of Physical Experiment lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052170U true CN207052170U (en) | 2018-02-27 |
Family
ID=61490951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720668194.1U Expired - Fee Related CN207052170U (en) | 2017-06-09 | 2017-06-09 | A kind of Physical Experiment lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230854A (en) * | 2018-03-12 | 2018-06-29 | 郑州市第十中学 | A kind of physics teaching optics principle test device |
| CN109521009A (en) * | 2018-11-24 | 2019-03-26 | 陕西众策网络科技发展有限公司 | A kind of tinned fruit sulfur dioxide detection device |
-
2017
- 2017-06-09 CN CN201720668194.1U patent/CN207052170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230854A (en) * | 2018-03-12 | 2018-06-29 | 郑州市第十中学 | A kind of physics teaching optics principle test device |
| CN109521009A (en) * | 2018-11-24 | 2019-03-26 | 陕西众策网络科技发展有限公司 | A kind of tinned fruit sulfur dioxide detection device |
| CN109521009B (en) * | 2018-11-24 | 2023-12-19 | 陕西众策网络科技发展有限公司 | Sulfur dioxide detection device for canned fruits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |