CN212966782U - Combined mechanical model spline shaft sleeve - Google Patents
Combined mechanical model spline shaft sleeve Download PDFInfo
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- CN212966782U CN212966782U CN202022046490.2U CN202022046490U CN212966782U CN 212966782 U CN212966782 U CN 212966782U CN 202022046490 U CN202022046490 U CN 202022046490U CN 212966782 U CN212966782 U CN 212966782U
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- shaft sleeve
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Abstract
The utility model provides a combination mechanical model spline axle sleeve belongs to the mechanical model field, hole including spline axle sleeve is the connecting hole, the connecting hole is round hole or square hole, spline axle sleeve's kind includes square hole spline axle sleeve and round hole spline axle sleeve, square hole spline axle sleeve includes square hole short key spline axle sleeve and square hole long key spline axle sleeve, it has four square keys to press the angle distribution of 90 degrees on the spline axle sleeve excircle, the square key includes short key and long key, what the key length is less than half length of spline axle sleeve is short key spline axle sleeve, it is long key spline axle sleeve that the key length is greater than half more than spline axle sleeve length. The utility model discloses improve spline shaft's size shape and spline's length, spline shaft has fixed cooperation and normal running fit's function simultaneously, can satisfy the demand of buildding of different transmission structures, makes the grafting of creative combination mechanical model more convenient, nimble, changes in innovation, creation, can satisfy the demand of buildding of different transmission structures.
Description
Technical Field
The utility model belongs to the mechanical model field relates to the mechanical model of pin-connected panel building blocks structure, especially relates to combination mechanical model spline shaft sleeve.
Background
At present, combined physical teaching aids, learning aids and toys are popular educational tools in the educational activities of developed countries. The similar products in China generally adopt a plug-in mounting method of convex-round-concave-square or shaft-hole combination for imitating the happy height, mostly adopt building block combination structures as main parts, belong to toy products, have single structure and insufficient change, cannot completely express industrial frame structures, cannot visually and truly reproduce mechanical structures and working principles, and cannot well meet the requirements of scientific and technological innovation education and professional teaching activities. The research starts from 2003, a 'spliced object teaching aid' practical novel patent is obtained in 2004, a technical scheme disclosed in a practical novel patent zl200920096536.2 is obtained in 2014, a T-shaped jack and a plug structure of a main body part are changed into a cross-shaped jack and a plug structure which are in one-way symmetry, and the stability of splicing combination is improved; however, through years of application and research, the spline shaft sleeve has some main technical defects, and the spline shaft sleeve cannot simultaneously have the functions of supporting fixation and transmission, particularly has the double functions of fixing 2 parts and supporting transmission.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a combination mechanical model spline axle sleeve, improve spline axle sleeve's size shape and spline's length, spline axle sleeve has fixed fit and normal running fit's function simultaneously, can satisfy the demand of buildding of different transmission structures, makes the grafting of intention combination mechanical model more convenient, nimble, changes in innovation, creation, can satisfy the demand of buildding of different transmission structures.
In order to solve the technical problem, the utility model discloses a technical scheme is: make up mechanical model spline shaft sleeve, the hole including spline shaft sleeve is the connecting hole, the connecting hole is round hole or square hole, spline shaft sleeve's kind includes square hole spline shaft sleeve and round hole spline shaft sleeve, square hole spline shaft sleeve includes square hole short key spline shaft sleeve and square hole long key spline shaft sleeve, it has four square keys to press the angle distribution of 90 degrees on the spline shaft sleeve excircle, the square key includes short key and long key, what the key length is less than half length of spline shaft sleeve is short key spline shaft sleeve, it is long key spline shaft sleeve that the key length is greater than more than half spline shaft sleeve length.
Further, the spline shaft sleeve comprises a 10-square hole short key spline shaft sleeve, a 10-square hole long key spline shaft sleeve, a 10-round hole long key spline shaft sleeve, a 20-square hole short key spline shaft sleeve, a 20-square hole long key spline shaft sleeve and a 20-round hole long key spline shaft sleeve.
Furthermore, a square hole is arranged, a part of round shafts are arranged on the spline shaft sleeve body, a part of spline shafts are provided with four short keys, and 10-square hole short key spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a square hole, four long keys are arranged on the spline shaft sleeve body, and a 10-square hole long key spline shaft sleeve on the excircle of the spline shaft sleeve is distributed according to 90 degrees;
the spline shaft sleeve is provided with a round hole, four long keys are arranged on the spline shaft sleeve body, and a 10-round hole long key spline shaft sleeve is distributed on the excircle of the spline shaft sleeve at 90 degrees;
the spline shaft sleeve is provided with a square hole, a part of round shaft is arranged on the spline shaft sleeve body, a part of spline shaft is provided with four short keys, and 20-square hole short key spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a square hole, four long keys are arranged on the spline shaft sleeve body, and a 20-square hole long key spline shaft sleeve on the excircle of the spline shaft sleeve is distributed according to 90 degrees;
the spline shaft sleeve is provided with a round hole, four long keys are arranged on the spline shaft sleeve body, and 20-round hole long key spline shaft sleeves are distributed on the excircle of the spline shaft sleeve at 90 degrees.
Furthermore, spline shaft sleeves of various types are inserted and assembled, and the outer diameter and the inner diameter of each spline shaft sleeve are fixedly matched; the spline shaft sleeve is inserted into the spline hole by adopting a square hole short key, the key shaft is fixedly matched in part insertion, and the round shaft is rotatably matched in part insertion.
Furthermore, the spline shaft sleeve is integrally formed by injection molding of engineering plastics.
Compared with the prior art, the utility model has the advantages and positive effect as follows.
1. The utility model adopts a single round hole or cross hole structure, the round hole is used for rotation, the cross hole is used for fixation, the position of the round hole can not be fixed, and the position of the cross hole can not be rotated; the integral key shaft sleeve structure of this scheme is the composite construction of round hole and integral key shaft, and integral key shaft cylinder part cartridge splined hole can rotate, and the part cartridge splined hole of integral key shaft part can be fixed, and a multi-purpose, the unipolar locking of an axle both is the transmission shaft, is the fixed axle again, can also possess simultaneously fixed and driven dual function.
2. The utility model discloses a combination of existence of integral key shaft cover structure and main part spare or connecting rod has broken through traditional building blocks structure, can realize the frame construction of industrialization, supports various parallel drive, vertical drive, cross drive and sharp transmission in the frame, accords with the requirement of industrial technology study, makes the study activity and the actual of industrial technology combine together.
3. The utility model discloses naked expression because an axle is multi-purpose, has practiced thrift the part, has simplified the structure, makes the various mechanical transmission surveyability of putting up, has visually, is fit for developing the teaching activity.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic structural view of a 10-square hole short key spline shaft sleeve of the present invention;
FIG. 2 is a schematic structural view of a 10-square hole spline shaft sleeve with long keys;
FIG. 3 is a schematic structural view of a 10-round hole long key spline shaft sleeve of the present invention;
FIG. 4 is a schematic structural view of the 20-square hole short key spline shaft sleeve of the present invention;
FIG. 5 is a schematic structural view of a 20-square hole spline shaft sleeve with long keys;
fig. 6 is a schematic structural view of the 20-round hole long key spline shaft sleeve of the present invention.
Reference numerals:
1. a square hole; 2. a circular hole; 5. a short bond; 6. a long key.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model discloses a combination mechanical model spline shaft sleeve, the hole including spline shaft sleeve is the connecting hole, the connecting hole is round hole 2 or square hole 1, spline shaft sleeve's kind includes 1 spline shaft sleeve of square hole and 2 spline shaft sleeves of round hole, 1 spline shaft sleeve of square hole includes 1 short key 5 spline shaft sleeve of square hole and 1 long key 6 spline shaft sleeve of square hole, it has four square keys to press the angle distribution of 90 degrees on the spline shaft sleeve excircle, the square key includes short key 5 and long key 6, what half length of key length is less than spline shaft sleeve is 5 spline shaft sleeves of short key, it is 6 spline shaft sleeves of long key that key length is greater than half of spline shaft sleeve length, accomplish the spline shaft sleeve of different specifications and assemble.
Preferably, the spline shaft sleeve is divided into 2 series, one is 10 series, and the length of the spline shaft sleeve is 10 mm; the other is 20 series, the length of the spline shaft sleeve is 20 mm, and the spline shaft sleeve comprises a 10-square hole 1 short key 5 spline shaft sleeve, a 10-square hole 1 long key 6 spline shaft sleeve, a 10-round hole 2 long key 6 spline shaft sleeve, a 20-square hole 1 short key 5 spline shaft sleeve, a 20-square hole 1 long key 6 spline shaft sleeve and a 20-round hole 2 long key 6 spline shaft sleeve.
Preferably, a square hole 1 is arranged, a part of round shafts are arranged on the spline shaft sleeve body, four short keys 5 are arranged on part of the spline shafts, and spline shaft sleeves are distributed on the 10-square hole 1 short keys 5 on the excircle of the spline shaft sleeve according to 90 degrees;
the spline shaft sleeve is provided with a square hole 1, four long keys 6 are arranged on the spline shaft sleeve body, and 10-square hole 1 long key 6 spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a round hole 2, four long keys 6 are arranged on the spline shaft sleeve body, and 10-round hole 2 long key 6 spline shaft sleeves are distributed on the excircle of the spline shaft sleeve at 90 degrees;
the spline shaft sleeve is provided with a square hole 1, a part of round shaft is arranged on the spline shaft sleeve body, a part of spline shaft is provided with four short keys 5, and 20-square hole 1 short key 5 spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a square hole 1, four long keys 6 are arranged on the spline shaft sleeve body, and 20-square hole 1 long key 6 spline shaft sleeves are distributed on the excircle of the spline shaft sleeve at 90 degrees;
the spline shaft sleeve is provided with a round hole 2, four long keys 6 are arranged on the spline shaft sleeve body, and 20-round holes 2 and the long keys 6 on the excircle of the spline shaft sleeve are distributed at 90 degrees.
Preferably, the spline shaft sleeves of multiple types are inserted and assembled, and the outer diameter and the inner diameter of each spline shaft sleeve are fixedly matched; the spline shaft sleeve with the square hole 1 and the short key 5 is inserted into the spline hole, the key shaft is fixedly inserted into the spline shaft sleeve, the round shaft is rotatably inserted into the spline shaft sleeve, the square shaft is inserted into the spline hole 1 and the short key 5, the round shaft rotates in the spline hole, and the spline part can drive the gear to rotate synchronously, so that perfect transmission fit between one part and three parts is realized; by inserting the round hole 2 and the long key 6 into the spline shaft sleeve, 2 parts can be fixed, and the square shaft can rotate to form non-interference rotation fit, so that coaxial transmission of more than 3 gears is realized, the transmission structure is simplified, and the transmission space is saved.
Preferably, the spline shaft sleeve is integrally formed by injection molding of engineering plastics, and has good insertion assembly and engineering structural performance.
This structure is to the actual problem of intention combination mechanical model structure, if, tenon fourth of the twelve earthly branches structure (unsmooth cartridge), wedge structure (slip cartridge) and spline hole structure (shaft hole cartridge) etc. carried out systematic improvement and perfect, adopted with "happy high" and relevant product, the technological structure of complete difference makes "intention combination mechanical model" have unique design in compactedness, stability, convenience and variability.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. Combination mechanical model spline shaft sleeve, its characterized in that: the hole including spline shaft sleeve is the connecting hole, the connecting hole is round hole or square hole, spline shaft sleeve's kind includes square hole spline shaft sleeve and round hole spline shaft sleeve, square hole spline shaft sleeve includes square hole short key spline shaft sleeve and square hole long key spline shaft sleeve, it has four square keys to press the angle of 90 degrees to distribute on the spline shaft sleeve excircle, the square key includes short key and long key, it is short key spline shaft sleeve that the key length is less than half length of spline shaft sleeve, it is long key spline shaft sleeve that the key length is greater than more than half spline shaft sleeve length.
2. The composite mechanical pattern spline housing of claim 1, wherein: the spline shaft sleeve comprises a 10-square hole short key spline shaft sleeve, a 10-square hole long key spline shaft sleeve, a 10-round hole long key spline shaft sleeve, a 20-square hole short key spline shaft sleeve, a 20-square hole long key spline shaft sleeve and a 20-round hole long key spline shaft sleeve.
3. The composite mechanical pattern spline housing of claim 2, wherein: the spline shaft sleeve is provided with a square hole, a part of round shaft is arranged on the spline shaft sleeve body, a part of spline shaft is provided with four short keys, and 10-square hole short key spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a square hole, four long keys are arranged on the spline shaft sleeve body, and a 10-square hole long key spline shaft sleeve on the excircle of the spline shaft sleeve is distributed according to 90 degrees;
the spline shaft sleeve is provided with a round hole, four long keys are arranged on the spline shaft sleeve body, and a 10-round hole long key spline shaft sleeve is distributed on the excircle of the spline shaft sleeve at 90 degrees;
the spline shaft sleeve is provided with a square hole, a part of round shaft is arranged on the spline shaft sleeve body, a part of spline shaft is provided with four short keys, and 20-square hole short key spline shaft sleeves on the excircle of the spline shaft sleeve are distributed at 90 degrees;
the spline shaft sleeve is provided with a square hole, four long keys are arranged on the spline shaft sleeve body, and a 20-square hole long key spline shaft sleeve on the excircle of the spline shaft sleeve is distributed according to 90 degrees;
the spline shaft sleeve is provided with a round hole, four long keys are arranged on the spline shaft sleeve body, and 20-round hole long key spline shaft sleeves are distributed on the excircle of the spline shaft sleeve at 90 degrees.
4. The composite mechanical model spline housing according to any one of claims 1 to 3, wherein: the spline shaft sleeves of multiple types are inserted and assembled, and the outer diameter and the inner diameter of each spline shaft sleeve are fixedly matched; the spline shaft sleeve is inserted into the spline hole by adopting a square hole short key, the key shaft is fixedly matched in part insertion, and the round shaft is rotatably matched in part insertion.
5. The composite mechanical model spline housing according to any one of claims 1 to 3, wherein: the spline shaft sleeve is integrally formed by injection molding of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046490.2U CN212966782U (en) | 2020-09-16 | 2020-09-16 | Combined mechanical model spline shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022046490.2U CN212966782U (en) | 2020-09-16 | 2020-09-16 | Combined mechanical model spline shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212966782U true CN212966782U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022046490.2U Active CN212966782U (en) | 2020-09-16 | 2020-09-16 | Combined mechanical model spline shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212966782U (en) |
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2020
- 2020-09-16 CN CN202022046490.2U patent/CN212966782U/en active Active
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