CN204113829U - Two metal shaft linkage structures - Google Patents
Two metal shaft linkage structures Download PDFInfo
- Publication number
- CN204113829U CN204113829U CN201420405641.0U CN201420405641U CN204113829U CN 204113829 U CN204113829 U CN 204113829U CN 201420405641 U CN201420405641 U CN 201420405641U CN 204113829 U CN204113829 U CN 204113829U
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- China
- Prior art keywords
- metal
- rotatingshaft
- plastic cement
- rotating shaft
- package packing
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Abstract
The two metal shaft linkage structures in the earphone Component field that the utility model discloses, this structure comprises metal rotatingshaft A, metal rotatingshaft B and plastic cement fixed block.The central position of metal rotatingshaft A one end is provided with the package packing rotating shaft extended forward, annular groove and the first annular slot is respectively equipped with at the outer surface of package packing rotating shaft, metal rotatingshaft B one end is provided with hollow sleeve, is provided with the second annular slot at the internal surface of hollow sleeve.Adopt the scheme of " metal pair plastic cement is to metal ", to break the normal procedure the mode using positioning dowel or jump ring two metal shaft to be linked together, the effect increasing working life can be reached, assembly structure is simple, fastened by deformable structure, its Product Assembly difficulty can be greatly reduced, simultaneously lower to the requirement on machining accuracy of each component, assembling difficulty can not be caused because of manufacturing tolerance and assemble the shortcomings such as bad.
Description
Technical field
The utility model relates to earphone Component field, is specifically related to the structure that diaxon connects, particularly two metal shaft linkage structures.
Background technique
It is as follows that the metal diaxon of conventional earphone rotation portion connects common structure:
A) as shown in Figure 1, under comprising A001 on rotatingshaft, rotatingshaft, A002 is installed by corresponding pin hole with the pin A003 for being connected two rotatingshafts, pin A003.Two metal shaft assemblings connect by breaking pin.Its shortcoming: outward appearance have pin hole and axle when rotated pin likely can come off, cause two metal shaft separately.
B) as shown in Figure 2, B002 and the jump ring B003 for being connected two rotatingshafts under B001 on rotatingshaft, rotatingshaft is comprised.Two metal shaft assemblings are connected by jump ring.Although outward appearance does not have hole, when axle rotates, its friction clearly, is easy to wearing and tearing and causes diaxon to get loose.
Above two kinds of structures, although two metals can be linked together, its principle is all the friction mode adopting " metal to metal ", is all unable to undergo rotating life-span, can rock large after using a period of time, there is the shortcomings such as feel difference.
Summary of the invention
The purpose of this utility model solves above defect, two metal shaft linkage structures of longer service life are provided, the structure that it adopts " metal pair plastic cement is to metal ", to break the normal procedure the mode using positioning dowel or jump ring two metal shaft to be linked together, its Product Assembly difficulty can also be greatly reduced simultaneously.
The purpose of this utility model is achieved in the following ways:
Two metal shaft linkage structures, this structure comprises: metal rotatingshaft A, metal rotatingshaft B and plastic cement fixed block.
\the central position of metal rotatingshaft A one end is provided with the package packing rotating shaft extended forward, and this package packing rotating shaft and metal rotatingshaft A are formed in one and form, and are respectively equipped with annular groove and the first annular slot at the outer surface of package packing rotating shaft.Metal rotatingshaft B is connected with metal rotatingshaft A, and one end of metal rotatingshaft B is provided with hollow sleeve, and this hollow sleeve and metal rotatingshaft B are formed in one and form, and are provided with the second annular slot at the internal surface of hollow sleeve.
\plastic cement fixed block is the cylindrical structural of hollow, the internal surface of plastic cement fixed block fastens the surface being arranged on package packing rotating shaft, and can contact with each other with package packing rotating shaft and rotate, the outer surface of plastic cement fixed block fastens the internal surface being arranged on hollow sleeve, and can contact with each other with hollow sleeve and rotate, one end of this plastic cement fixed block is the A buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the package packing rotating shaft of metal rotatingshaft A, the opening of A buckling end is the first elastic opening, the inner side surface of the first elastic opening is provided with for matching with the first annular slot the first annular snap tooth fastened, the other end of this plastic cement fixed block is the B buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the hollow sleeve of metal rotatingshaft B, the opening of B buckling end is the second elastic opening, the outer side surface of the second elastic opening is provided with for matching with the second annular slot the second annular snap tooth fastened.
In above-mentioned explanation, as preferred scheme, the edge of described first elastic opening is provided with the dislocation groove A of more than three, the bezel locations A of elastically deformable is formed between adjacent two dislocation groove A, the edge of described second elastic opening is provided with the dislocation groove B of more than three, forms the bezel locations B of elastically deformable between adjacent two dislocation groove B.During installation, carry out elastic strain by bezel locations A and bezel locations B respectively, thus easily can carry out fastening installation.
In above-mentioned explanation, as preferred scheme, the front end of described package packing rotating shaft is provided with the angle limit post for limiting angle of swing extended forward, and the inside of described hollow sleeve is provided with the angle limit groove for penetrating angle limit post, and the limited range of this angle limit groove is less than 180 degree.After metal rotatingshaft A and metal rotatingshaft B fastens and installs, angle limit post penetrates in angle limit groove simultaneously, due to the angle rotating range that angle limit groove has design certain, its two end is positive stop end, when rotating the positive stop end to both sides, angle limit post contacts with the positive stop end on both sides respectively, thus realizes the object of rotary limited.
In above-mentioned explanation, as preferred scheme, the outer surface of described package packing rotating shaft is also provided with annular mounting platform, and is set with rubber ring on this annular mounting platform, makes rubber ring between metal rotatingshaft A and metal rotatingshaft B.Rubber ring can play sealing and dustproof effect, can also avoid the contact of two metal rotatingshafts simultaneously.
In above-mentioned explanation, as preferred scheme, this plastic cement fixed block is made up of high abrasion plastic material, high abrasion plastic material has multiple, the plastic cement meeting high abrasion requirement as POM, PTFE, PA etc., is not limited in above-mentioned different materials, as long as all can reach same effect.Adopt the strong plastic material of wear resistance, because there being good elasticity, thus play positioning action, form the structure of " metal pair plastic cement is to metal ", two metal rotatingshafts plastic cement strong with wear resistance is respectively contacted, and the friction factor reduced between two metal rotatingshafts, thus achieve the friction directly do not made between metal and metal, the friction durability of product can be increased.
The beneficial effect that the utility model produces is as follows:
1) scheme of " metal pair plastic cement is to metal " is adopted; to break the normal procedure the mode using positioning dowel or jump ring two metal shaft to be linked together; two metal rotatingshafts mainly carry out rubbing contact by the plastic cement fixed block between it after connecting and produce rotation; this kind of scheme can make the friction between it significantly reduce; even if rub for a long time, the effect increasing working life also can be reached;
2) deformation of plastic cement fixed block itself is utilized to assemble; assembly structure is simple, is fastened, can greatly reduce its Product Assembly difficulty by deformable structure; simultaneously lower to the requirement on machining accuracy of each component, assembling difficulty can not be caused because of manufacturing tolerance and assemble the shortcomings such as bad;
3) two metal rotatingshafts need not destroy the structure of component itself after connecting, and do not affect the effect on surface, elegant in appearance;
4) two metal rotatingshafts have higher bending force and tractive force after connecting, and two metal rotatingshafts rotate for a long time and also can not produce any loosening, and more can not cause coming off;
5) plastic cement fixed block adopts the material that wear resistance is high to form, and have good rebound elasticity, its wear-resisting rotation can reach more than 10000 times, and usage range is more extensive.
accompanying drawing explanation
fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of A structure in the utility model background technique;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of B structure in the utility model background technique;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model embodiment;
Fig. 4 is the sectional drawing of the twin shaft coupled condition of the utility model embodiment;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the perspective view of plastic cement fixed block in the utility model embodiment;
Fig. 7 is the perspective view of another angle of plastic cement fixed block in the utility model embodiment;
Fig. 8 is the perspective view of metal rotatingshaft A in the utility model embodiment;
Fig. 9 is that in the utility model embodiment, plastic cement fixed block fastens the structural representation be arranged on metal rotatingshaft A;
Figure 10 is that in the utility model embodiment, plastic cement fixed block fastens the sectional drawing be arranged on metal rotatingshaft A;
Figure 11 is the partial enlarged drawing of Figure 10;
Figure 12 is the structural representation of metal rotatingshaft B in the utility model embodiment;
Figure 13 is the structural representation after two metal shaft linkage structures of the present utility model are arranged on earphone;
In Fig. 1 and Fig. 2, A001 is on rotatingshaft, and A002 is on rotatingshaft, and A003 is pin, and B001 is on rotatingshaft, and B002 is on rotatingshaft, and B003 is jump ring;
In Fig. 3 ~ Figure 13,1 is metal rotatingshaft A, and 2 is metal rotatingshaft B, and 3 is plastic cement fixed block, 4 is rubber ring, and 5 is package packing rotating shaft, and 6 is annular groove, 7 is the first annular slot, and 8 is the second annular slot, and 9 is the first annular snap tooth, 10 is the second annular snap tooth, and 11 is dislocation groove A, and 12 is bezel locations A, 13 is dislocation groove B, and 14 is bezel locations B, and 15 is arc connector, 16 is headset earpiece, and 17 is angle limit post, and 18 is angle limit groove.
embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
The present embodiment, with reference to Fig. 3 ~ Figure 12, it is specifically implemented structure and comprises metal rotatingshaft A1, metal rotatingshaft B2 and plastic cement fixed block 3.
The central position of metal rotatingshaft A1 one end is provided with the package packing rotating shaft 5 extended forward, and this package packing rotating shaft 5 is formed in one with metal rotatingshaft A1 and forms, and is respectively equipped with annular groove 6 and the first annular slot 7 at the outer surface of package packing rotating shaft 5.Metal rotatingshaft B2 is connected with metal rotatingshaft A1, and one end of metal rotatingshaft B2 is provided with hollow sleeve, and this hollow sleeve and metal rotatingshaft B2 are formed in one and form, and are provided with the second annular slot 8 at the internal surface of hollow sleeve.The outer surface of package packing rotating shaft 5 is also provided with annular mounting platform, and is set with rubber ring 4 on this annular mounting platform, makes rubber ring 4 between metal rotatingshaft A1 and metal rotatingshaft B2.Rubber ring 4 can play sealing and dustproof effect, can also avoid the contact of two metal rotatingshafts simultaneously.
In the present embodiment, plastic cement fixed block 3 is made up of the plastic material that wear resistance is strong, form the structure of " metal pair plastic cement is to metal ", two metal rotatingshafts plastic cement strong with wear resistance is respectively contacted, and the friction factor reduced between two metal rotatingshafts, thus achieve the friction directly do not made between metal and metal, the friction durability of product can be increased.Plastic cement fixed block 3 is specially the cylindrical structural of hollow, the internal surface of plastic cement fixed block 3 fastens the surface being arranged on package packing rotating shaft 5, and can contact with each other with package packing rotating shaft 5 and rotate, the outer surface of plastic cement fixed block 3 fastens the internal surface being arranged on hollow sleeve, and can contact with each other with hollow sleeve and rotate, one end of this plastic cement fixed block 3 is the A buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the package packing rotating shaft 5 of metal rotatingshaft A1, the opening of A buckling end is the first elastic opening, the inner side surface of the first elastic opening is provided with for matching with the first annular slot 7 the first annular snap tooth 9 fastened, the other end of this plastic cement fixed block 3 is the B buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the hollow sleeve of metal rotatingshaft B2, the opening of B buckling end is the second elastic opening, the outer side surface of the second elastic opening is provided with for matching with the second annular slot 8 the second annular snap tooth 10 fastened.
In addition, the edge of the first elastic opening is provided with the dislocation groove A11 of more than three, the bezel locations A12 of elastically deformable is formed between adjacent two dislocation groove A11, the edge of described second elastic opening is provided with the dislocation groove B13 of more than three, forms the bezel locations B14 of elastically deformable between adjacent two dislocation groove B13.During installation, carry out elastic strain by bezel locations A12 and bezel locations B14 respectively, thus easily can carry out fastening installation.The front end of described package packing rotating shaft is provided with the angle limit post 17 for limiting angle of swing extended forward, the inside of described hollow sleeve is provided with the angle limit groove 18 for penetrating angle limit post 17, in the present embodiment, the limited range value of angle limit groove 18 is 145 degree.
The assemble sequence of the present embodiment is: be first arranged on by rubber ring 4 on the annular mounting platform of metal rotatingshaft A1, again plastic cement fixed block 3 buckling sleeve is contained on the package packing rotating shaft 5 of metal rotatingshaft A1, assembling is between the two fastened by the resiliently deformable of plastic cement fixed block 3, namely the bezel locations A12 of elastically deformable produces distortion fastening, thus the pairing achieving metal rotatingshaft A1 and plastic cement fixed block 3 fastens, as shown in Figure 9.Finally metal rotatingshaft B2 is also fastened on plastic cement fixed block 3, assembling is between the two fastened by the resiliently deformable of plastic cement fixed block 3, play the function of anticreep simultaneously, namely the bezel locations B14 of elastically deformable produces distortion and fastens, thus the metal rotatingshaft A1 realized and being fastened and connected of metal rotatingshaft B2.In assembly process, the effect being subject to power because of plastic cement fixed block 3 can deform, and when two metal rotatingshafts are seated, plastic cement fixed block 3 will return to original state, thus plays the principle two metal rotatingshafts can not separated.
Each testing property laboratory data of the two metal shaft linkage structures of the present embodiment is as follows:
A., when the diameter of experiment setting metal rotatingshaft A1 and metal rotatingshaft B2 is 7.6mm, its pulling-out force can reach more than 410N.
B. the distortion power of two metal rotatingshafts is directly proportional to the material of diaxon and size, as shown in figure 13, be mounted on earphone, metal rotatingshaft A1 is connected with arc connector 15, metal rotatingshaft B2 is connected with headset earpiece 16, headset earpiece 16 can be rotated in predetermined angle, and the angle of swing that the present embodiment limits is 145 degree, is limited by angle limit post.This design can increase its flexibility, arbitrarily can adjust the angle of receiver 16, thus can adapt to wearing of different human body head dummy, strengthens and wears comfortable feel.
In the condition of normal use, its arm of force D=10cm, when diameter is 7.6mm, minimumly bears F=75N, is multiplied by minimum strength numerical value can show that its torsional moment is 750Ncm by the formulae discovery arm of force numerical value earphone.
C. two metal rotatingshafts are after rotary test, and its rotational life is wear-resisting reaches more than 10,000 times.
[0022]above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as protection domain of the present utility model.
Claims (5)
1. liang metal shaft linkage structure, is characterized in that, this structure comprises:
Metal rotatingshaft A, the central position of its one end is provided with the package packing rotating shaft extended forward, and this package packing rotating shaft and metal rotatingshaft A are formed in one and form, and are respectively equipped with annular groove and the first annular slot at the outer surface of package packing rotating shaft;
Metal rotatingshaft B, it is connected with metal rotatingshaft A, and one end of metal rotatingshaft B is provided with hollow sleeve, and this hollow sleeve and metal rotatingshaft B are formed in one and form, and are provided with the second annular slot at the internal surface of hollow sleeve;
Plastic cement fixed block, it is the cylindrical structural of hollow, the internal surface of plastic cement fixed block fastens the surface being arranged on package packing rotating shaft, and can contact with each other with package packing rotating shaft and rotate, the outer surface of plastic cement fixed block fastens the internal surface being arranged on hollow sleeve, and can contact with each other with hollow sleeve and rotate, one end of this plastic cement fixed block is the A buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the package packing rotating shaft of metal rotatingshaft A, the opening of A buckling end is the first elastic opening, the inner side surface of the first elastic opening is provided with for matching with the first annular slot the first annular snap tooth fastened, the other end of this plastic cement fixed block is the B buckling end of the elastically deformable of band opening, fasten for carrying out pairing with the hollow sleeve of metal rotatingshaft B, the opening of B buckling end is the second elastic opening, the outer side surface of the second elastic opening is provided with for matching with the second annular slot the second annular snap tooth fastened.
2. two metal shaft linkage structures according to claim 1, it is characterized in that: the edge of described first elastic opening is provided with the dislocation groove A of more than three, the bezel locations A of elastically deformable is formed between adjacent two dislocation groove A, the edge of described second elastic opening is provided with the dislocation groove B of more than three, forms the bezel locations B of elastically deformable between adjacent two dislocation groove B.
3. two metal shaft linkage structures according to claim 1, it is characterized in that: the front end of described package packing rotating shaft is provided with the angle limit post for limiting angle of swing extended forward, the inside of described hollow sleeve is provided with the angle limit groove for penetrating angle limit post, and the limited range of this angle limit groove is less than 180 degree.
4. two metal shaft linkage structures according to claims 1 to 3 any one, it is characterized in that: the outer surface of described package packing rotating shaft is also provided with annular mounting platform, and rubber ring is set with on this annular mounting platform, make rubber ring between metal rotatingshaft A and metal rotatingshaft B.
5. two metal shaft linkage structures according to claim 4, is characterized in that: this plastic cement fixed block is made up of high abrasion plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405641.0U CN204113829U (en) | 2014-07-22 | 2014-07-22 | Two metal shaft linkage structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405641.0U CN204113829U (en) | 2014-07-22 | 2014-07-22 | Two metal shaft linkage structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113829U true CN204113829U (en) | 2015-01-21 |
Family
ID=52331143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405641.0U Withdrawn - After Issue CN204113829U (en) | 2014-07-22 | 2014-07-22 | Two metal shaft linkage structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179761A (en) * | 2014-07-22 | 2014-12-03 | 中名(东莞)电子有限公司 | Double-metal-shaft connecting structure |
-
2014
- 2014-07-22 CN CN201420405641.0U patent/CN204113829U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179761A (en) * | 2014-07-22 | 2014-12-03 | 中名(东莞)电子有限公司 | Double-metal-shaft connecting structure |
| CN104179761B (en) * | 2014-07-22 | 2016-04-20 | 中名(东莞)电子有限公司 | Two metal shaft linkage structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |