CN205136344U - Connection structure of damping pivot - Google Patents
Connection structure of damping pivot Download PDFInfo
- Publication number
- CN205136344U CN205136344U CN201520878470.8U CN201520878470U CN205136344U CN 205136344 U CN205136344 U CN 205136344U CN 201520878470 U CN201520878470 U CN 201520878470U CN 205136344 U CN205136344 U CN 205136344U
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- China
- Prior art keywords
- rotating shaft
- damper portion
- joint
- projection
- transmission part
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Abstract
The utility model provides a connection structure of damping pivot, include: pivot, pivot cover and drive disk assembly, pivot include damping portion and connecting portion that fixed connection is in the same place, connecting portion are connected with the drive disk assembly, and the drive disk assembly passes through connecting portion and drives the pivot rotation, the shape of damping portion is cylindrical to wear to establish in the hole of pivot cover, the surface of damping portion is provided with first arch, and first bellied material is elastic material, first bellied quantity is more than two or two to circumference evenly distributed in damping portion makes first bellied top more than two or two virtual the realizing that coexists, and the diameter of this virtual circle is greater than the bore diameter that the pivot is overlapped. It has simple structure, low cost, can effectively guarantee the advantage of damping effect.
Description
Technical field
The utility model relates to linkage structure technical field, particularly a kind of linkage structure of Damping rotation shaft.
Background technique
Damping rotation shaft structure is as a kind of linkage structure, the antenna of the liquid crystal screen of such as notebook computer and main frame, GPS extendable swivel antenna and pedestal, vehicle-carrying DVD, portable DVD player and base can be coupled together, rely on the damping function of Damping rotation shaft, two parts relatively rotated freely are paused in arbitrary position.
At present, Damping rotation shaft structure of the prior art, mostly is spring+damping mechanism or screw+disc spring+damping fin structure, produces circumferential frictional force to reach damping and effect of freely pausing by axial pressure.Its shortcoming is that number of spare parts is more, and cost is higher.And at present by the solution of screw lock, providing the surface of contact of screw lock power to be generally damping mechanism (disc spring, damping fin etc.), the latter well cannot retrain its circumferential movement due to spatial constraints.Therefore axial pressure can weaken because of progressively getting loose of screw after long-time use, causes frictional force to weaken, and damping and free pause decreased effectiveness even disappear.
Model utility content
It is simple, with low cost that the purpose of this utility model is to provide a kind of structure, effectively can ensure the linkage structure of the Damping rotation shaft of damping.
For achieving the above object, the technological scheme that the utility model adopts is:
A linkage structure for Damping rotation shaft, comprising: rotating shaft, rotating shaft cover and transmission part, and described rotating shaft comprises the damper portion and joint that are fixed together;
Described joint is connected with described transmission part, and described transmission part drives described axis of rotation by described joint;
The shape of described damper portion is cylindrical, and is located in the endoporus of described rotating shaft cover, and the surface of described damper portion is provided with the first projection, and the material of described first projection is elastic material;
The quantity of described first projection is two or more, and is uniformly distributed in the circumference of described damper portion, makes the top of two or more described first projection coexist in an imaginary circles, and this virtual diameter of a circle is greater than the diameter of bore of described rotating shaft cover.
More preferably, described first protruding and described damper portion is one-body molded.
More preferably, the end face of described damper portion is provided with the cylinder shape groove coaxial with described damper portion, described first lobed interior is provided with the deformation space be communicated with described cylinder shape groove.
More preferably, described damper portion and described joint one-body molded.
More preferably, described joint is sectional shape is polygonal prism, and described transmission part has the first mounting hole matched with described joint;
Described joint is located in described first mounting hole, and and is Spielpassung between described first mounting hole.
More preferably, described transmission part has connecting end, and described connecting end is sectional shape is polygonal prism, and described joint has the second mounting hole matched with described connecting end;
Described connecting end is located in described second mounting hole, and and is Spielpassung between described second mounting hole.
A linkage structure for Damping rotation shaft, comprising: rotating shaft, rotating shaft cover and transmission part, and described rotating shaft comprises the damper portion and joint that are fixed together;
Described joint is connected with described transmission part, and described transmission part drives described axis of rotation by described joint;
The shape of described damper portion is cylindrical, and is located in the endoporus of described rotating shaft, and the bore area of described rotating shaft is provided with the second projection, and the described second material that is protruding or described damper portion is elastic material;
The quantity of described second projection is two or more, and is uniformly distributed in the circumference of the endoporus of described rotating shaft, and the top of two or more described second projection is coexisted in an imaginary circles, and this virtual diameter of a circle is less than the diameter of described damper portion.
More preferably, described second projection and described rotating shaft are overlapped one-body molded.
By adopting described damper portion to be located in the endoporus of described rotating shaft cover, the surface of described damper portion is provided with the first projection, and the material of described first projection is elastic material; Or adopt the shape of described damper portion to be cylindrical, and be located in the endoporus of described rotating shaft cover, the bore area of described rotating shaft is provided with the second projection, described second material that is protruding or described damper portion is the technological scheme of elastic material, make the utility model have structure simple, with low cost, effectively can ensure the advantage of damping.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the linkage structure of Damping rotation shaft in embodiment one;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the right elevation of Fig. 1;
Fig. 4 is the schematic diagram of the linkage structure of Damping rotation shaft in embodiment two;
Fig. 5 is the left view of Fig. 4;
Wherein, 1-rotating shaft; 11-damper portion; 111-first projection; 112-cylinder shape groove; 113-deformation space; 12-joint; 2 rotating shaft covers; 21-second projection; 3-transmission part; 31-mounting hole.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, be further elaborated below in conjunction with the linkage structure of drawings and Examples to Damping rotation shaft of the present utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one
As depicted in figs. 1 and 2, a kind of linkage structure of Damping rotation shaft, comprising: rotating shaft 1, rotating shaft cover 2 and transmission part 3, and rotating shaft 1 comprises the damper portion 11 and joint 12 that are fixed together; Joint 12 is connected with transmission part 3, and transmission part 3 drives rotating shaft 1 to rotate by joint 12; The shape of damper portion 11 is cylindrical, and is located in the endoporus of rotating shaft cover 2, and the material that the surface of damper portion 11 is provided with the first projection 111, first projection 111 is elastic material; The quantity of the first projection 111 is two or more, in the present embodiment, the quantity of the first projection 111 is two, and be uniformly distributed in the circumference of damper portion 11, make the top of two or more first projection 111 coexist in an imaginary circles, this virtual diameter of a circle is greater than the diameter of bore of rotating shaft cover 2.
It should be noted that, the top of two or more first projection 111 mentioned here coexists in an imaginary circles, this virtual diameter of a circle, just slightly larger than the diameter of bore of rotating shaft cover 2, its objective is that coordinating between the endoporus that the damper portion 11 that makes surface be provided with the first projection 111 and rotating shaft overlap 2 is interference fit.Material due to the first projection 111 is elastic material, when the damper portion 11 of the first projection 111 of surface setting loads in the endoporus of rotating shaft cover 2, first protruding 111 can produce certain elastic strain because of the extruding of the inner hole wall being subject to rotating shaft cover 2, and the first projection 111 applies a radial forces because of the clear-cutting forestland of self on the inner hole wall of axle sleeve 2.In rotating shaft 1 when overlapping 2 anticlockwise campaign relative to rotating shaft, frictional force is produced between the inner hole wall that first protruding 111 meetings and rotating shaft overlap 2, namely radial forces and the first protruding 111 meetings and rotating shaft overlap 2 inner hole wall between the product of friction factor, thus generation damping, in terms of existing technologies not only, structure is simple, with low cost, and produce damping by the first protruding 111 its own resilient, fully can ensure damping.
Particularly, first protruding 111 adopt ABS plastic in the present embodiment, but be not limited to this, also can adopt other elastic materials such as polyurethane, rubber.First protruding 111 and damper portion 11 can adopt just as the one-body molded making of material, different materials also can be adopted to be made into by injection moulding or other mode and to be integrated.Damper portion 11 and joint 12 also can adopt the one-body molded making of identical material, and different materials also can be adopted to make respectively, are then fixed together by such as bonding or other attainable modes that are fixedly connected with.
Damper portion 11 is installed in the process of the endoporus of rotating shaft cover 2 and needs to apply active force to first protruding 111 in advance, it is made to produce elastic strain, the perpendicular distance of the summit of the first projection 111 and damper portion 11 axis is made to be less than the radius that the endoporus of 2 is overlapped in rotating shaft, guarantee, is successfully installed to damper portion 11 in the endoporus of rotating shaft cover 2.Adopt in the present embodiment and on the end face of damper portion 11, be provided with cylinder shape groove 112, first protruding 111 inside coaxial with damper portion 11 be provided with the deformation space 113 be communicated with cylinder shape groove 112.Such damper portion 11 and the first projection 111 become hollow structure, make the active force required for resiliently deformable of the first projection 111 become very low, are conducive to the installation of damper portion 11.
As a kind of embodiment, as shown in Figure 3, joint 12 for sectional shape be polygonal prism, when being not limited to this, the sectional shape of joint 12 also can be oval or other non-circular shapes, and transmission part 3 has the first mounting hole 31 matched with joint 12; Joint 12 is located in the first mounting hole 31, and and is Spielpassung between the first mounting hole 31.Joint 12 also can be cylinder, and be the circular hole matched with joint 12 in the first mounting hole 31, joint 12 is relative fixing with the first mounting hole 31 by key, pin, screw or rivet etc.Be Spielpassung between joint 12 and the first mounting hole 31, the installation between joint 12 and transmission part 3 can be convenient to.
As the another embodiment of one, transmission part 3 has connecting end (scheming not shown), and connecting end is sectional shape is polygonal prism, and joint 12 has the second mounting hole (figure is for illustrating) matched with connecting end; Connecting end is located in the second mounting hole, and and is Spielpassung between the second mounting hole.Its installation principle is identical with the installation principle between joint 12 described above and the first mounting hole 31, therefore repeats no more herein.
Embodiment two
As shown in Figure 4 and Figure 5, a kind of linkage structure of Damping rotation shaft, comprising: rotating shaft 1, rotating shaft cover 2 and transmission part 3, and rotating shaft 1 comprises the damper portion 11 and joint 12 that are fixed together; Joint 12 is connected with transmission part 3, and transmission part 3 drives rotating shaft 1 to rotate by joint 12; The shape of damper portion 11 is cylindrical, and is located in the endoporus of rotating shaft cover 2, and the material that the bore area of rotating shaft cover 2 is provided with the second projection 21, second protruding 21 and/or damper portion 11 is elastic material; The quantity of the second projection 21 is two or more, in the present embodiment, the quantity of the first projection 111 is two, and be uniformly distributed in the circumference of the endoporus of rotating shaft cover 2, the top of two or more second projection 21 is coexisted in an imaginary circles, and this virtual diameter of a circle is less than the diameter of damper portion 11.
It should be noted that, the top of two or more second projection 21 mentioned here coexists in an imaginary circles, this virtual diameter of a circle is just slightly less than the diameter of damper portion 11, its objective is that the endoporus making surface be provided with the rotating shaft cover 2 of the second projection 21 is interference fit with coordinating between damper portion 11.
Damper portion 11 load surface be provided with the first projection 111 rotating shaft cover 2 endoporus in, because mutually extruding between second protruding 21 and damper portion 11, second protruding 21 or and/or damper portion 11 can produce elastic strain, at this moment second protruding 21 or and/or damper portion 11 produce radial forces each other because of the clear-cutting forestland of self, thus generation damping, identical with described in embodiment one of its principle.And second protruding 21 and damper portion 11 be which parts creates elastic strain, the making material can selected according to the two and determine, has at least one to be adopt elastic material (as ABS plastic, rubber, polyurethane etc.) making in the two.
Particularly, second protruding 21 and rotating shaft overlap 2 one-body molded.Second projection 21 and rotating shaft cover 2 can adopt the one-body molded making of identical material, also can adopt different materials, are made into be integrated by injection moulding or other mode.
It is simple, with low cost that above embodiment makes the utility model have structure, effectively can ensure the advantage of damping.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. a linkage structure for Damping rotation shaft, is characterized in that:
Comprise: rotating shaft, rotating shaft cover and transmission part, described rotating shaft comprises the damper portion and joint that are fixed together;
Described joint is connected with described transmission part, and described transmission part drives described axis of rotation by described joint;
The shape of described damper portion is cylindrical, and is located in the endoporus of described rotating shaft cover, and the surface of described damper portion is provided with the first projection, and the material of described first projection is elastic material;
The quantity of described first projection is two or more, and is uniformly distributed in the circumference of described damper portion, makes the top of two or more described first projection coexist in an imaginary circles, and this virtual diameter of a circle is greater than the diameter of bore of described rotating shaft cover.
2. the linkage structure of Damping rotation shaft according to claim 1, is characterized in that:
Described first protruding and described damper portion is one-body molded.
3. the linkage structure of Damping rotation shaft according to claim 2, is characterized in that:
The end face of described damper portion is provided with the cylinder shape groove coaxial with described damper portion, and described first lobed interior is provided with the deformation space be communicated with described cylinder shape groove.
4. the linkage structure of the Damping rotation shaft according to claims 1 to 3 any one, is characterized in that:
Described damper portion and described joint one-body molded.
5. the linkage structure of the Damping rotation shaft according to claims 1 to 3 any one, is characterized in that:
Described joint is sectional shape is polygonal prism, and described transmission part has the first mounting hole matched with described joint;
Described joint is located in described first mounting hole, and and is Spielpassung between described first mounting hole.
6. the linkage structure of the Damping rotation shaft according to claims 1 to 3 any one, is characterized in that:
Described transmission part has connecting end, and described connecting end is sectional shape is polygonal prism, and described joint has the second mounting hole matched with described connecting end;
Described connecting end is located in described second mounting hole, and and is Spielpassung between described second mounting hole.
7. a linkage structure for Damping rotation shaft, is characterized in that:
Comprise: rotating shaft, rotating shaft cover and transmission part, described rotating shaft comprises the damper portion and joint that are fixed together;
Described joint is connected with described transmission part, and described transmission part drives described axis of rotation by described joint;
The shape of described damper portion is cylindrical, and is located in the endoporus of described rotating shaft cover, and the bore area of described rotating shaft is provided with the second projection, and the described second material that is protruding or described damper portion is elastic material;
The quantity of described second projection is two or more, and the circumference of the endoporus overlapped in described rotating shaft is uniformly distributed, the top of two or more described second projection is coexisted in an imaginary circles, and this virtual diameter of a circle is less than the diameter of described damper portion.
8. the linkage structure of Damping rotation shaft according to claim 7, is characterized in that:
Described second projection and described rotating shaft are overlapped one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878470.8U CN205136344U (en) | 2015-11-05 | 2015-11-05 | Connection structure of damping pivot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878470.8U CN205136344U (en) | 2015-11-05 | 2015-11-05 | Connection structure of damping pivot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136344U true CN205136344U (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520878470.8U Active CN205136344U (en) | 2015-11-05 | 2015-11-05 | Connection structure of damping pivot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136344U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972924A (en) * | 2016-05-23 | 2016-09-28 | 青岛海尔股份有限公司 | Storage device and refrigerator |
| CN106115069A (en) * | 2016-08-05 | 2016-11-16 | 顺丰速运有限公司 | Inversion-prevention packing device and packing crates |
| CN108226157A (en) * | 2017-12-27 | 2018-06-29 | 信利光电股份有限公司 | A kind of touch screen examination device |
| CN109373449A (en) * | 2018-10-18 | 2019-02-22 | 广东美的制冷设备有限公司 | The air-supply assembly and air conditioner indoor unit of air-conditioning |
-
2015
- 2015-11-05 CN CN201520878470.8U patent/CN205136344U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972924A (en) * | 2016-05-23 | 2016-09-28 | 青岛海尔股份有限公司 | Storage device and refrigerator |
| CN105972924B (en) * | 2016-05-23 | 2019-05-03 | 青岛海尔股份有限公司 | Article-storage device and refrigerator |
| CN106115069A (en) * | 2016-08-05 | 2016-11-16 | 顺丰速运有限公司 | Inversion-prevention packing device and packing crates |
| CN108226157A (en) * | 2017-12-27 | 2018-06-29 | 信利光电股份有限公司 | A kind of touch screen examination device |
| CN109373449A (en) * | 2018-10-18 | 2019-02-22 | 广东美的制冷设备有限公司 | The air-supply assembly and air conditioner indoor unit of air-conditioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: Room A216-59, block B Qilu Software Building No. 1768 Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 Patentee after: Shandong caution Intelligent Technology Co., Ltd. Address before: 100176, Daxing District economic and Technological Development Zone, Beijing, Rong Jingdong street, No. 1, building 25, 3, 1, unit 2321 Patentee before: BEIJING ZHONGYUNZAIXIAN SCIENCE & TECHNOLOGY CO., LTD. |