CN211827796U - Cylinder demonstration teaching aid connection structure - Google Patents
Cylinder demonstration teaching aid connection structure Download PDFInfo
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- CN211827796U CN211827796U CN202020682427.5U CN202020682427U CN211827796U CN 211827796 U CN211827796 U CN 211827796U CN 202020682427 U CN202020682427 U CN 202020682427U CN 211827796 U CN211827796 U CN 211827796U
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Abstract
The utility model discloses a cylinder demonstration teaching aid connection structure, including the upper and lower semicircle main part piece of constitution cylinder, the semicircle main part piece includes that a plurality of independence can draw in and the fan-shaped cylinder of stretching in, and the arcwall face of adjacent fan-shaped cylinder is linked, and fan-shaped cylinder physical stamina is as the turning point with linking department, its characterized in that is equipped with the opening on the sector of fan-shaped cylinder, and the open position one-to-one of the fan-shaped cylinder of upper and lower semicircle main part piece is relative, is equipped with independent connecting piece and inserts in the opening and connect upper and lower fan-shaped cylinder. Compared with the prior art, the utility model has the advantages that lie in that the connecting piece can dismantle semicircle main part spare about connecting, save manufacturing cost, and semicircle main part spare simple structure, the drawing of patterns is convenient, improves production efficiency.
Description
Technical Field
The utility model relates to a teaching aid field relates to the cylinder demonstration teaching aid, especially relates to cylinder demonstration teaching aid connection structure.
Background
Current cylinder teaching aid is formed by two semicylinders combinations, and two semicylinders constitute by a plurality of fan-shaped cylinder and form, but during the actual production, because of comparatively weak and fan-shaped cylinder length of junction between fan-shaped cylinder is longer, cause the harm during the drawing of patterns easily, cause the material loss, and the longer difficult drawing of patterns of fan-shaped cylinder length of semicylinder, reduce work efficiency.
The patent of bulletin number for CN204270556U provides a novel circle teaching aid, and the semicircle post mould integrated into one piece that this patent provided, semicircle post mould comprise a plurality of fan-shaped cylinder, but a plurality of fan-shaped cylinder length are longer, damage easily during the drawing of patterns, cause the material loss, and difficult drawing of patterns, reduce work efficiency.
The sector column is divided into an upper section and a lower section for splicing, so that the section of the connecting end part which needs to be inserted is necessarily reduced by one circle compared with the section of the sector column, and the whole side wall of the sector column needs to be thickened due to the later injection and demolding problem.
Therefore, how to realize cost saving and production efficiency improvement is a problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cylinder demonstration teaching aid connection structure that can save the cost and improve production efficiency is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: cylinder demonstration teaching aid connection structure, including the upper and lower semicircle main part piece that constitutes the cylinder, semicircle main part piece includes that a plurality of independent can draw in and the fan-shaped cylinder of stretching in, and the arcwall face of adjacent fan-shaped cylinder links, and fan-shaped cylinder can regard as the turning point with the junction, and its characterized in that is equipped with the opening on the sector of fan-shaped cylinder, and the open position one-to-one of the fan-shaped cylinder of upper and lower semicircle main part is equipped with independent connecting piece and inserts in the opening and connect fan-shaped cylinder from top to bottom.
Further, the connecting piece is in interference fit with the opening of the fan-shaped cylinder.
Furthermore, a step is arranged in the cavity below the opening of the fan-shaped column body, and the connecting piece is abutted against the step.
Furthermore, the mutually connected fan-shaped cylinders are integrally formed.
Further, the semi-circular body member is made of a material having high flexibility.
Further, the connecting piece is a fan-shaped stretching piece.
Furthermore, the connecting piece is provided with a through groove which runs through, and a reinforcing rib is arranged in the through groove.
Furthermore, two ends of the reinforcing rib are arranged between two straight edges of the adjacent arc-shaped edges.
Compared with the prior art, the utility model has the advantages that lie in that the connecting piece can dismantle semicircle main part spare about connecting, save manufacturing cost, and semicircle main part spare simple structure, the drawing of patterns is convenient, improves production efficiency.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic view of the connection structure of upper and lower semi-circular main body members;
FIG. 2 is a schematic structural view of the upper and lower semi-circular body members in an expanded state;
FIG. 3 is an exploded view of the upper and lower semi-circular body members in an expanded state;
FIG. 4 is a schematic view of the combination of the upper and lower semi-circular body members in the expanded state;
fig. 5 is an assembled view of the connection of the upper and lower semi-circular main body members.
In the figure: 1. a semicircular main body part 1-1, a sector column 1-2 and an opening; 2. 2-1 parts of connecting pieces, 2-2 parts of through grooves and 2-2 parts of reinforcing ribs.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Current cylinder teaching aid is formed by two semicylinders combinations, and two semicylinders constitute by a plurality of fan-shaped cylinder and form, but during the actual production, because of comparatively weak and fan-shaped cylinder length of junction between fan-shaped cylinder is longer, cause the harm during the drawing of patterns easily, cause the material loss, and the longer difficult drawing of patterns of fan-shaped cylinder length of semicylinder, reduce work efficiency.
This embodiment is mainly expounded to the cylinder demonstration teaching aid connection structure that can save the cost and improve production efficiency, specifically as follows:
as shown in fig. 1-3, the connection structure of the cylinder demonstration teaching aid comprises an upper semi-circular main body part 1 and a lower semi-circular main body part 1 which form a cylinder, wherein the semi-circular main body part 1 comprises a plurality of independent fan-shaped cylinders 1-1 which can be folded and unfolded, the arc surfaces of the adjacent fan-shaped cylinders 1-1 are connected, the fan-shaped cylinders 1-1 can take the connection part as a rotation point, openings 1-2 are arranged on the fan-shaped surfaces of the fan-shaped cylinders 1-1, the openings 1-2 of the fan-shaped cylinders 1-1 of the upper semi-circular main body part and the lower semi-circular main body part 1 are opposite to each other, independent connecting pieces 2 are arranged to be inserted into the openings 1-2 and connected with the upper fan-.
The fan-shaped column 1-1 is a fan-shaped stretching body, and both end faces of the fan-shaped stretching body are fan-shaped.
A step is arranged in the cavity below the opening 1-2 of the sector cylinder 1-1, the connecting piece 2 is propped against the step, and the step limits the connecting piece 2 to move in the opening 1-2 of the semi-circular main body piece 1.
The connecting piece 2 is a fan-shaped stretching piece, the connecting piece 2 is provided with a through groove 2-1 which penetrates through the connecting piece for saving materials, in order to avoid the squeezing deformation of the connecting piece 2 during daily disassembly, a reinforcing rib 2-2 can be arranged in the through groove 2-1 of the connecting piece 2, and two ends of the reinforcing rib 2-2 are arranged between two straight edges of adjacent arc-shaped edges.
A semi-circular main body part 1 consisting of a plurality of fan-shaped cylinders 1-1 is integrally formed by injection molding and is made of a plastic material with high flexibility.
As shown in fig. 4-5, the semicircular main body members 1 have good flexibility, and the two semicircular main body members 1 are connected by the connecting piece 2 to form a component, the component can be unfolded outwards or folded inwards by taking the joint between the sector cylinders 1-1 as a rotation point, the semicircular main body members 1 forming the component can be unfolded outwards by taking the joint between the sector cylinders 1-1 as a rotation point, the sector cylinders 1-1 of the two components are opposite, and the two components can be inserted and placed.
The semicircular main body parts 1 forming the components can be inwardly closed by taking the joints among the fan-shaped cylinders 1-1 as rotating points, the adjacent surfaces among the fan-shaped cylinders 1-1 are attached, the components are in a semicircular cylinder structure, and the two components in the semicircular cylinder structure are combined to form a cylinder.
In order to avoid the situation that the assembly formed by the semicircular main body parts 1 cuts a user or is not convenient to form a semicircular column state, the intersection of two straight edges of adjacent arc-shaped edges of fan-shaped cylinders 1-1 in the semicircular main body parts 1 is subjected to incision treatment, namely, the semicircular main body parts 1 forming the assembly are inwardly gathered, and the center of the assembly formed by the two semicircular main body parts 1 forms a half polygonal cylinder or a half cylindrical hollow structure.
The fan-shaped cylinders 1-1 of two semicircle main body parts 1 of component subassembly are equipped with unanimous in quantity, and relative fan-shaped cylinder 1-1 shape is unanimous, and the subassembly is made up by two semicircle main body parts 1, and the axial length of semicircle main body part 1 is half of subassembly axial length, and semicircle main body part 1 length shortens, reduces the production degree of difficulty, and the drawing of patterns of being convenient for production improves production efficiency, and also can not cause semicircle main body part 1 to damage because of the drawing of patterns is difficult, reduces the material loss.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
It is right above the utility model provides a cylinder demonstration teaching aid connection structure introduces in detail, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. Cylinder demonstration teaching aid connection structure, including the upper and lower semicircle main part piece that constitutes the cylinder, semicircle main part piece includes that a plurality of independent can draw in and the fan-shaped cylinder of stretching in, and the arcwall face of adjacent fan-shaped cylinder links, and fan-shaped cylinder can regard as the turning point with the junction, and its characterized in that is equipped with the opening on the sector of fan-shaped cylinder, and the open position one-to-one of the fan-shaped cylinder of upper and lower semicircle main part is equipped with independent connecting piece and inserts in the opening and connect fan-shaped cylinder from top to bottom.
2. A cylinder demonstration teaching aid connection structure as claimed in claim 1 wherein the connection member is an interference fit with the opening of the sector cylinder.
3. A cylinder demonstration teaching aid connection structure as claimed in claim 1, wherein a step is provided in the chamber below the opening of the sector cylinder, and the connection member abuts against the step.
4. A cylinder demonstration teaching aid connection structure as claimed in claim 1 wherein the interconnected sector cylinders are integrally formed.
5. A cylinder demonstration teaching aid attachment structure according to claim 1 wherein the semi-circular body member is made of a highly flexible material.
6. A cylinder demonstration teaching aid connection structure as claimed in claim 1 wherein the connection member is a fan shaped tension member.
7. A cylinder demonstration teaching aid connection structure according to claim 6, wherein the connecting piece is provided with a through groove, and reinforcing ribs are arranged in the through groove.
8. A cylinder demonstration teaching aid connection structure as claimed in claim 7, wherein the two ends of the reinforcing rib are provided between the two straight sides of the adjacent arc-shaped sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682427.5U CN211827796U (en) | 2020-04-28 | 2020-04-28 | Cylinder demonstration teaching aid connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682427.5U CN211827796U (en) | 2020-04-28 | 2020-04-28 | Cylinder demonstration teaching aid connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211827796U true CN211827796U (en) | 2020-10-30 |
Family
ID=73020733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020682427.5U Active CN211827796U (en) | 2020-04-28 | 2020-04-28 | Cylinder demonstration teaching aid connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211827796U (en) |
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2020
- 2020-04-28 CN CN202020682427.5U patent/CN211827796U/en active Active
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