CN218159388U - Demonstration model - Google Patents

Abstract

The utility model relates to a biological model technical field specifically is a demonstration model, the on-line screen storage device comprises a base, the equal fixed mounting in one side top both ends of base has the pedestal. The utility model discloses a set up the convex mirror, when changing the convex mirror, for convenience and quick operation, the retainer plate is installed through two pedestals to this device in one side of base, a plurality of mirror shells are installed to the outer wall department of retainer plate, the equal joint in inside of mirror shell has the convex mirror, when needing to be changed the convex mirror, stir one of them mirror shell, until the rotatory spotlight mouth that gets into of convex mirror in another mirror shell, then the knob of wrench movement, it is fixed unmovable with the convex mirror of current position in the locating hole that the outside correspondence position of retainer plate was deepened in the knob wrench movement drive locating lever rotation, can realize quick replacement's purpose like this, thereby practice thrift a large amount of operating time, and can not lead to the convex mirror to drop because of frequent dismantlement.

Description

Demonstration model

Technical Field

The utility model relates to a biological model technical field specifically is a demonstration model.

Background

The biological teaching model is a commonly used visual means in biological teaching, is also called a demonstration model, is a teaching aid for demonstrating some specific principles through a model, and comprises a demonstration model for eyeball imaging.

The teaching model for demonstrating the eye imaging principle disclosed by the authorized bulletin No. CN201965827U has the advantages of simple structure, low cost, convenient material acquisition, easy manufacture, vivid use and convenient and visual demonstration of the principle of eye vision formation and near and far vision eye formation, but does not solve the problems that the prior demonstration model needs to replace the convex lens for many times during demonstration, the convex lens needs to be taken down from the bracket during replacement, and then convex lenses of other specifications are placed, so the operation mode is complicated, and the problem that the convex lens is damaged after being dropped easily during replacement is solved, and therefore a demonstration model is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a demonstration model to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a demonstration model, said demonstration model comprises

The device comprises a base, wherein shaft brackets are fixedly arranged at two ends of the top of one side of the base, fixed rings are movably arranged at the top ends of the two shaft brackets through rotating shafts, a plurality of mirror shells are fixedly connected to the outer rings of the fixed rings, and convex mirrors are clamped in the mirror shells;

the positioning rod is in threaded connection with the inner portion of the bottom end of the shaft bracket outside the base, a knob is fixedly connected to the outer portion of one end, away from the convex mirror, of the positioning rod, and a plurality of positioning holes are formed in the outer ring of the fixing ring.

Preferably, annular jackets are fixedly mounted at two ends of the middle part of one side of the base, which is far away from the shaft bracket, the top ends of the two annular jackets are fixedly connected with a support, the inner sides of the two annular jackets are fixedly connected with a first spherical shell, and the top end of the first spherical shell is fixedly connected with the support;

preferably, a fixed rod is fixedly connected to one side, away from the shaft bracket, of the first spherical shell, a rod sleeve is movably sleeved outside the fixed rod, and a second spherical shell is fixedly connected to one side, close to the first spherical shell, of the rod sleeve;

preferably, the first spherical shell and the second spherical shell are internally provided with inner cavities, and the middle part of the second spherical shell is fixedly provided with observation glass;

preferably, a light gathering port is fixedly installed on the outer portion of one side, close to the shaft bracket, of the first spherical shell, and through grooves are formed in the inner portions of two ends of the light gathering port in a penetrating mode;

preferably, one side inner wall department fixedly connected with arc card box that light mouth was gathered away from to first spheroid shell, arc card strip joint is passed through to the inside of arc card box has the formation of image board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this demonstration model, through setting up the convex lens, when changing the convex lens, for convenience and quick operation, the retainer plate is installed through two shaft brackets to this device in one side of base, a plurality of mirror shells are installed to the outer wall department of retainer plate, the equal joint in inside of mirror shell has the convex lens, when needing to change the convex lens, stir one of them mirror shell, until the rotatory spotlight mouth that gets into of convex lens in another mirror shell, then wrench movement knob, it is fixed unmovable with the convex lens of current position in the locating hole that the retainer plate outside corresponds the position to drive the locating lever rotation after the knob wrench movement, can realize quick replacement's purpose like this, thereby practice thrift a large amount of operating time, and can not lead to the convex lens to drop because of frequent dismantlement.

2. This demonstration model through setting up arc card box and arc card strip, when needs are changed the formation of image board, opens second spherical shell, then will form image the arc card strip of board one side and take out from the arc card box, can dismantle the formation of image board from first spherical shell.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the first sphere housing of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 1;

fig. 4 is an enlarged schematic view of the utility model at B in fig. 2.

In the figure: 1. a base; 2. a pedestal; 3. a stationary ring; 4. a mirror housing; 5. a convex mirror; 6. positioning a rod; 7. a knob; 8. positioning holes; 9. an annular jacket; 10. a support; 11. a first ball housing; 12. fixing the rod; 13. a rod sleeve; 14. a second sphere housing; 15. an inner cavity; 16. observing glass; 17. a light gathering port; 18. a through groove; 19. an arc-shaped card box; 20. an arc-shaped clamping strip; 21. an imaging plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a demonstration model, a demonstration model comprises

The novel microscope comprises a base 1, wherein shaft brackets 2 are fixedly arranged at two ends of the top of one side of the base 1, fixing rings 3 are movably arranged at the top ends of the two shaft brackets 2 through rotating shafts, a plurality of lens shells 4 are fixedly connected to the outer rings of the fixing rings 3, and convex lenses 5 are clamped in the lens shells 4;

the positioning rod 6 is in threaded connection with the inside of the bottom end of the shaft bracket 2 on the outer side of the base 1, a knob 7 is fixedly connected to the outside of one end, away from the convex mirror 5, of the positioning rod 6, and a plurality of positioning holes 8 are formed in the outer ring of the fixing ring 3;

through the above scheme, through setting up convex mirror 5, when changing convex mirror 5, for convenience and quick operation, retainer plate 3 is installed through two shaft brackets 2 in one side of base 1 to this device, a plurality of mirror shells 4 are installed to the outer wall department of retainer plate 3, the equal joint in inside of mirror shell 4 has convex mirror 5, when needing to be changed convex mirror 5, stir one of them mirror shell 4, until the rotatory spotlight mouth 17 that gets into of convex mirror 5 in another mirror shell 4, then wrench movement knob 7, 7 wrench movement back drive locating lever 6 rotatory deepening in the locating hole 8 of 3 outside corresponding positions of retainer plate 5 with the fixed unmovable of convex mirror 5 of current position, can realize quick replacement's purpose like this, thereby practice thrift a large amount of operating time, and can not lead to convex mirror 5 to drop because of frequent dismantlement.

In this embodiment, preferably, annular jackets 9 are fixedly mounted at both ends of the middle part of one side of the base 1 away from the shaft bracket 2, the top ends of the two annular jackets 9 are fixedly connected with a support 10, the inner sides of the two annular jackets 9 are fixedly connected with a first spherical shell 11, and the top end of the first spherical shell 11 is fixedly connected with the support 10;

through the scheme, the annular clamping sleeves 9 are arranged, and the two annular clamping sleeves 9 and the first sphere shell 11 are fixedly installed through screws, so that the two annular clamping sleeves 9 can be conveniently supported on one side, the outside of the second sphere shell 14 can not be shielded, and the demonstration structure can be conveniently observed in the later stage;

in this embodiment, preferably, a fixing rod 12 is fixedly connected to a side of the first spherical shell 11 away from the shaft bracket 2, a rod sleeve 13 is movably sleeved outside the fixing rod 12, and a second spherical shell 14 is fixedly connected to a side of the rod sleeve 13 close to the first spherical shell 11;

through the scheme, by arranging the rod sleeve 13, when the second ball shell 14 needs to be opened and closed, screws on one side, away from the rod sleeve 13, of the first ball shell 11 and the second ball shell 14 are detached, then the second ball shell 14 is pulled, and one end of the second ball shell 14 can rotate along the fixing rod 12 through the rod sleeve 13 until the second ball shell 14 is completely opened;

in this embodiment, preferably, the first spherical shell 11 and the second spherical shell 14 have inner cavities 15 inside, and the middle part of the second spherical shell 14 is fixedly provided with an observation glass 16;

through the scheme, the observation glass 16 is arranged, and the observation glass 16 is arranged in the middle of the second sphere shell 14, so that the imaging plate 21 in the inner cavity 15 can be observed at the position of the observation glass 16;

in this embodiment, preferably, a light gathering port 17 is fixedly installed outside one side of the first spherical shell 11 close to the shaft bracket 2, and through slots 18 are formed through the insides of both ends of the light gathering port 17;

through the scheme, the through grooves 18 are arranged, and the through grooves 18 at the two ends of the light gathering port 17 are positioned on the same central axis, so that the convex lens 5 can be conveniently irradiated by a light source, and the purpose of convenient positioning is achieved;

in this embodiment, preferably, an arc-shaped card box 19 is fixedly connected to an inner wall of the first sphere housing 11 on a side away from the light-gathering port 17, and an imaging plate 21 is clamped inside the arc-shaped card box 19 through an arc-shaped clamping strip 20;

through above-mentioned scheme, through setting up arc card box 19 and arc card strip 20, when the formation of image board 21 needs to be changed, open second spheroid shell 14, then will form the arc card strip 20 of formation of image board 21 one side and take out from arc card box 19, can dismantle formation of image board 21 from first spheroid shell 11.

The demonstration model of this embodiment is when using, install this device in appointed position, need cooperate the lamp source to form images during the demonstration, shine convex lens 5 through the light source then present the image on the inside formation of image board 21 of first spheroid shell 11, then can observe the formation of image condition from the observation glass 16 position at second spheroid shell 14 middle part, change the specification of convex lens 5 after that, the image that presents after shining through the light source like this can change, and then realize the demonstration simulation, when changing convex lens 5, for convenience and fast operation, this device installs retainer plate 3 through two pedestal 2 in one side of base 1, a plurality of mirror shells 4 are installed to the outer wall department of retainer plate 3, the equal joint in inside of mirror shell 4 has convex lens 5, when needing to be changed convex lens 5, stir one of them mirror shell 4, until convex lens 5 rotation entering in another mirror shell 4 gathers in the light mouth 17, then twist knob 7, knob 7 twists the back and drives locating lever 6 rotatory the convex lens 5 that gos deep into the locating hole 8 of the outside of retainer plate 3 corresponding position and fixes the current position, thus can realize the unmovable purpose of quick replacement, thereby a large amount of saving time operation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A demonstration model, characterized by: the demonstration model comprises

The novel glasses comprise a base (1), wherein shaft brackets (2) are fixedly arranged at two ends of the top of one side of the base (1), a fixed ring (3) is movably arranged at the top ends of the two shaft brackets (2) through a rotating shaft, a plurality of glasses shells (4) are fixedly connected to the outer ring of the fixed ring (3), and convex glasses (5) are clamped in the glasses shells (4);

the positioning rod (6) is in threaded connection with the inner portion of the bottom end of the shaft bracket (2) on the outer side of the base (1), the positioning rod (6) is far away from the knob (7) fixedly connected to the outer portion of one end of the convex mirror (5), and a plurality of positioning holes (8) are formed in the outer ring of the fixing ring (3).

2. A presentation model as claimed in claim 1, wherein: the base (1) is far away from the equal fixed mounting in one side middle part both ends of pedestal (2) and is pressed from both sides cover (9), two the top fixedly connected with support (10) that press from both sides cover (9) of annular, two the inboard fixedly connected with first spheroid shell (11) that press from both sides cover (9) of annular, the top and the support (10) fixed connection of first spheroid shell (11).

3. A presentation model as claimed in claim 2, wherein: one side of the first spherical shell (11) far away from the shaft bracket (2) is fixedly connected with a fixing rod (12), a rod sleeve (13) is movably sleeved outside the fixing rod (12), and one side of the rod sleeve (13) close to the first spherical shell (11) is fixedly connected with a second spherical shell (14).

4. A presentation model as claimed in claim 3, wherein: an inner cavity (15) is formed in the first spherical shell (11) and the second spherical shell (14), and observation glass (16) is fixedly mounted in the middle of the second spherical shell (14).

5. A presentation model as claimed in claim 2, wherein: the outer fixed mounting of one side that first spheroid shell (11) is close to pedestal (2) has spotlight mouth (17), spotlight mouthful (17) both ends are inside to have all penetrated and have seted up logical groove (18).

6. A presentation model as claimed in claim 5, wherein: first spheroid shell (11) keep away from one side inner wall department fixedly connected with arc card box (19) of light gathering mouth (17), the inside of arc card box (19) is blocked through arc card strip (20) joint and is had formation of image board (21).

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