CN205298244U - Universal pivot structure - Google Patents
Universal pivot structure Download PDFInfo
- Publication number
- CN205298244U CN205298244U CN201521053639.2U CN201521053639U CN205298244U CN 205298244 U CN205298244 U CN 205298244U CN 201521053639 U CN201521053639 U CN 201521053639U CN 205298244 U CN205298244 U CN 205298244U
- Authority
- CN
- China
- Prior art keywords
- bulb
- pivot structure
- universal pivot
- pedestal
- interchangeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000000806 elastomer Substances 0.000 claims description 13
- 239000012634 fragment Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 235000019994 cava Nutrition 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Abstract
The utility model relates to an universal pivot structure, this universal pivot structure include a pedestal, a connector and an interchangeable formula setting element, and pedestal inside has an appearance groove and the emptying aperture is passed through in outside one of the intercommunication appearance groove that is equipped with, connector one end has a bulb, and the other end has connecting portion, and the bulb holding is in holding the groove, and connecting portion expose in passing through the emptying aperture, interchangeable formula setting element is inserted and put between pedestal and bulb, and interchangeable formula setting element has a concave arc face, and bulb and concave arc facial features each other support and paste and can slide for the concave arc face. When the size is unified to the pedestal, the utility model discloses only need to increase the size of interchangeable formula setting element, the bulb cooperation of the connector of various sizes of just arranging is used to reach the advantage that universal pivot structure has various, the adjustable friction degree of size and saves the cost.
Description
Technical field
This utility model relates to a kind of pivot structure, especially a kind of universal pivot structure.
Background technology
Consult Taiwan Patent certificate number No. M345170 " improvement of composite structure for universal joint " to learn, conventional universal joints mainly includes a pedestal with ball joint and and is provided with the cap seat of depression, ball joint is detained in depression and can rotate relative to depression, to make pedestal and cap seat can mutually adjust angle or position.
But, above-mentioned universal joint has the disadvantages that, the depression of cap seat can be spherical groove for coordinating ball joint, so cap seat must by mould ejection formation, but Mold Making somewhat expensive, when pedestal is multiple with the size of cap seat, then needs to make more multi-mould and causes that cost increases, when pedestal is single with the size of cap seat, then the tolerance between pedestal and cap seat will more accurately also result in cost increases. Therefore how universal joint promotes size category and reduce tolerance grade, it is dealer's main points of desiring most ardently pursuit.
Summary of the invention
This utility model purpose is in that to provide a kind of universal pivot structure, it is to utilize the bulb do collocation use installing interchangeable keeper additional with union joint, when making pedestal uniform sizes, only need to increase the size of interchangeable keeper, the bulb of the union joint of various sizes of just arranging in pairs or groups uses, to reach the advantage that universal pivot structure has many sizes, adjustable degree of friction and saving cost.
In order to reach above-mentioned purpose, this utility model provides a kind of universal pivot structure, including: a pedestal, inside has a tank and is provided externally with the transmission hole connecting this tank; One union joint, one end has a bulb, and the other end has a junction, and this bulb is placed in this tank, and this connecting portion is exposed to this transmission hole; And an interchangeable keeper, it is sandwiched between this pedestal and this bulb, this interchangeable keeper has a cancave cambered surface, and this bulb and this cancave cambered surface mutually support patch and can slide relative to this cancave cambered surface.
Preferably, above-mentioned bulb has an episphere surface and once hemisphere surface, this interchangeable keeper comprises a collar and a positioning block, this locating piece has a roof, this cancave cambered surface comprises and is formed from an arc anchor ring of this collar inwall and the camber depression offered from this roof, this episphere surface and this arc anchor ring support patch mutually, and patch is supported mutually with this camber depression in this lower semisphere surface.
Preferably, a taper calixconcavity is inwardly offered in the middle of the bottom surface of above-mentioned camber depression.
Preferably, above-mentioned pedestal comprises a sleeve and a cover plate, this tank is formed in this sleeve inner, this sleeve one end offers this transmission hole, the other end offers an opening, this cover plate to should opening cover cap, this cover plate is provided with a perforation, this locating piece is extended with a projecting block away from one end that this camber caves in, and this projecting block wears and is positioned this perforation.
Preferably, above-mentioned pedestal more comprises at least one elastomer, and this elastomer is sandwiched between this locating piece and this cover plate.
Preferably, above-mentioned elastomer is a ring-type shell fragment, and this ring-type shell fragment has a through hole, and this projecting block is arranged in this through hole.
Preferably, above-mentioned opening is provided with a female thread, and the outer peripheral edge of this cover plate is provided with an external screw thread, and this female thread and this external screw thread are spirally connected mutually.
Preferably, above-mentioned cover plate inwardly offers shape groove one by one away from the surface of this interchangeable keeper.
Preferably, having ring in above-mentioned sleeve and be located at a ring block of this outer peripheral edge, transmission hole, the diameter of this bulb is more than the bore in this transmission hole, to make this bulb and this collar be sandwiched between this ring block and this locating piece.
Preferably, above-mentioned connecting portion comprises the axostylus axostyle extended from this bulb, and the top of this axostylus axostyle inwardly offers a bolt apertures.
Preferably, the material of above-mentioned interchangeable keeper is identical with the material of this pedestal.
Preferably, the material of above-mentioned interchangeable keeper and the material of this pedestal are different.
This utility model also has the advantage that
The first, bulb processes bad easily at end generation burr in forming process, taper calixconcavity is inwardly offered in the middle of the bottom surface of camber depression, the burr enabling bulb are contained in taper calixconcavity, allow universal pivot structure have the advantage that the rotation elasticity of bulb is stablized.
The second, cover plate inwardly offers a shape groove or crosswise groove away from the surface of interchangeable keeper, to facilitate hand-held tool to put in a shape groove or crosswise groove, installs with spiral shell hub cap plate or group is unloaded in sleeve.
3rd, the material of interchangeable keeper can be identical or different with the material of pedestal, and when the rotation that universal pivot structure needs bulb is relatively firm, then interchangeable keeper can use the structural strength material more than pedestal instead; When universal pivot structure need pedestal crashworthiness or resistance to fall time, then pedestal can use the structural strength material more than interchangeable keeper instead.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the universal pivot structure of this utility model.
Fig. 2 is another three-dimensional exploded view of the universal pivot structure of this utility model.
Fig. 3 is the three-dimensional exploded view of the universal pivot structure of this utility model.
Fig. 4 is another three-dimensional exploded view of the universal pivot structure of this utility model.
Fig. 5 is the generalized section of the universal pivot structure of this utility model.
Fig. 6 is the use view of the universal pivot structure of this utility model.
[critical piece symbol description]
10 ... universal pivot structure
1 ... pedestal
11 ... tank
12 ... transmission hole
13 ... sleeve
131 ... opening
1311 ... female thread
132 ... ring block
14 ... cover plate
141 ... perforation
142 ... external screw thread
143 ... a shape groove
15 ... elastomer
151 ... ring-type shell fragment
152 ... through hole
2 ... union joint
21 ... bulb
211 ... episphere surface
212 ... lower semisphere surface
22 ... connecting portion
221 ... axostylus axostyle
222 ... bolt apertures
3 ... interchangeable keeper
31 ... cancave cambered surface
32 ... the collar
321 ... arc anchor ring
33 ... locating piece
331 ... roof
332 ... camber caves in
333 ... taper calixconcavity
334 ... projecting block
100 ... installation place
200 ... device
Detailed description of the invention
The detailed description of relevant this utility model and technology contents, will coordinate accompanying drawing to illustrate as follows, but described accompanying drawing will be only used as illustrative purposes, be not intended to limitation this utility model.
Refer to shown in Fig. 1 to Fig. 6, this utility model is to provide a kind of universal pivot structure, and this universal pivot structure 10 mainly includes pedestal 1, union joint 2 and an interchangeable keeper 3.
As shown in Figures 1 to 5, the internal transmission hole 12 that there is a tank 11 and be provided externally with connection tank 11 of pedestal 1, describe in detail as follows, pedestal 1 comprises sleeve 13, cover plate 14 and an at least one elastomer 15, and tank 11 is formed inside sleeve 13, and sleeve 13 one end offers transmission hole 12, the other end offers an opening 131, corresponding opening 131 cover cap of cover plate 14, cover plate 14 is provided with a perforation 141, and elastomer 15 is sandwiched between locating piece 33 and cover plate 14.
Additionally, opening 131 is provided with a female thread 1311, the outer peripheral edge of cover plate 14 is provided with an external screw thread 142, female thread 1311 and external screw thread 142 are spirally connected mutually, and sleeve 13 has ring and is located at a ring block 132 of outer peripheral edge, transmission hole 12, cover plate 14 inwardly offers shape groove 143 or a crosswise groove one by one away from the surface of interchangeable keeper 3.
Furthermore, elastomer 15 can be a shell fragment, a helical spring or an elastic sponge, not with the present embodiment for restriction. Wherein, the elastomer 15 of the present embodiment is a ring-type shell fragment 151, and ring-type shell fragment 151 has a through hole 1511.
As shown in Figures 1 to 5, union joint 2 one end has a bulb 21, and the other end has a junction 22, and bulb 21 is placed in tank 11, and connecting portion 22 is exposed to transmission hole 12.
Being further described below, bulb 21 has an episphere surface 211 and once hemisphere surface 212, and the diameter of bulb 21 is more than the bore in transmission hole 12.
Additionally, connecting portion 22 comprises the axostylus axostyle 221 extended from bulb 21, and the top of axostylus axostyle 221 inwardly offers a bolt apertures 222, but is not limited system, connecting portion 22 also can omit axostylus axostyle 221, makes connecting portion 22 comprise the bolt apertures inwardly offered from bulb 21 top.
As shown in Fig. 1 to Fig. 2, Fig. 5, interchangeable keeper 3 is sandwiched between pedestal 1 and bulb 21, and interchangeable keeper 3 has a cancave cambered surface 31, and bulb 21 and cancave cambered surface 31 mutually support patch and can slide relative to cancave cambered surface 31.
Describe in detail as follows, interchangeable keeper 3 comprises a collar 32 and a positioning block 33, locating piece 33 has a roof 331, cancave cambered surface 31 comprises and is formed from an arc anchor ring 321 of the collar 32 inwall and the camber depression 332 offered from roof 331, episphere surface 211 and arc anchor ring 321 support patch mutually, and patch is supported mutually with camber depression 332 in lower semisphere surface 212. Wherein, a taper calixconcavity 333 is inwardly offered in the middle of the bottom surface of camber depression 332.
It addition, locating piece 33 away from camber cave in 332 one end be extended with a projecting block 334, projecting block 334 wears and is positioned perforation 141 and through hole 1511, and bulb 21 and the collar 32 are sandwiched between ring block 132 and locating piece 33.
Additionally, the material of the material of interchangeable keeper 3 and pedestal 1 can be identical or different, being illustrated below, the material of interchangeable keeper 3 and pedestal 1 can respectively plastics, metal or pottery.
As shown in Figures 3 to 5, being the combination of universal pivot structure 10 described in the utility model, it is to utilize the internal transmission hole 12 having tank 11 and being provided externally with connection tank 11 of pedestal 1; Union joint 2 one end has bulb 21, and the other end has connecting portion 22, and bulb 21 is placed in tank 11, and connecting portion 22 is exposed to transmission hole 12;Interchangeable keeper 3 is sandwiched between pedestal 1 and bulb 21, and interchangeable keeper 3 has cancave cambered surface 31, and bulb 21 and cancave cambered surface 31 mutually support patch and can slide relative to cancave cambered surface 31. Thereby, the bulb 21 of interchangeable keeper 3 and union joint 2 is done collocation and is used, when making pedestal 1 uniform sizes, only need to increase the size of interchangeable keeper 3, the bulb 21 of the union joint 2 of various sizes of just arranging in pairs or groups uses, to reach the advantage that universal pivot structure 10 has many sizes, adjustable degree of friction and saving cost.
As shown in Figure 6, it it is the use state of universal pivot structure 10 described in the utility model, it is to utilize pedestal 1 can be fixed on the installation places 100 such as wall, ceiling or platform, union joint 2 is fixed through the devices such as bolt apertures 222 and desk lamp, camera or antenna 200, allows device 200 can pass through universal pivot structure 10 to be mounted opposite place 100 adjustment angle or positions.
Additionally, as shown in Figure 5, to be this utility model relative to existing universal joint have more installs interchangeable keeper 3 additional, recycle the bulb 21 do collocation use of interchangeable keeper 3 and union joint 2, when the bulb 21 making union joint 2 has sizes, pedestal 1 need not change size, only need to replace the size of interchangeable keeper 3, various sizes of bulb 21 can be allowed all to be stably installed in universal pivot structure 10, dealer is made to have only to make the interchangeable keeper mould of sizes, the pedestal mould of sizes need not be made, with reach universal pivot structure 10 have many sizes and save cost of manufacture feature.
It addition, interchangeable keeper 3 is also by size change over, to adjust contact area between interchangeable keeper 3 and bulb 21 and frictional force, universal pivot structure 10 is made to have effect of rotation elasticity of adjustable bulb 21.
Furthermore, bulb 21 processes bad easily at end generation burr in forming process, taper calixconcavity 333 is inwardly offered in the middle of the bottom surface of camber depression 332, the burr enabling bulb 21 are contained in taper calixconcavity 333, the burr preventing bulb 21 directly wear away with the inwall of camber depression 332, cause the inner wall abrasion of camber depression 332 to affect the frictional force between bulb 21, and then allow universal pivot structure 10 have the advantage that the rotation elasticity of bulb 21 is stablized.
Again, pedestal 1 more comprises elastomer 15, and elastomer 15 is sandwiched between locating piece 33 and cover plate 14, and the inwall to push against camber depression 332 firmly amplexiforms hemisphere surface 212 under bulb 21, to maintain the rotation elasticity of bulb 21.
Further, cover plate 14 inwardly offers a shape groove 143 or crosswise groove away from the surface of interchangeable keeper 3, to facilitate hand-held tool to put in a shape groove 143 or crosswise groove, installs with spiral shell hub cap plate 14 or group is unloaded in sleeve 13.
Additionally, the material of the material of interchangeable keeper 3 and pedestal 1 can be identical or different, when the rotation that universal pivot structure 10 needs bulb 21 is relatively firm, then interchangeable keeper 3 can use the structural strength material more than pedestal 1 instead; When universal pivot structure 10 need pedestal 1 crashworthiness or resistance to fall time, then pedestal 1 can use the structural strength material more than interchangeable keeper 3 instead.
In sum, universal pivot structure of the present utility model, really can reach the application target of expection, and solve the shortcoming of prior art, and there is industry applications, novelty and progressive, comply fully with utility application requirement.
Claims (12)
1. a universal pivot structure, it is characterised in that including:
One pedestal, inside has a tank and is provided externally with the transmission hole connecting this tank;
One union joint, one end has a bulb, and the other end has a junction, and this bulb is placed in this tank, and this connecting portion is exposed to this transmission hole; And
One interchangeable keeper, is sandwiched between this pedestal and this bulb, and this interchangeable keeper has a cancave cambered surface, and this bulb and this cancave cambered surface mutually support patch and can slide relative to this cancave cambered surface.
2. universal pivot structure as claimed in claim 1, it is characterized in that above-mentioned bulb has an episphere surface and once hemisphere surface, this interchangeable keeper comprises a collar and a positioning block, this locating piece has a roof, this cancave cambered surface comprises and is formed from an arc anchor ring of this collar inwall and the camber depression offered from this roof, this episphere surface and this arc anchor ring support patch mutually, and patch is supported mutually with this camber depression in this lower semisphere surface.
3. universal pivot structure as claimed in claim 2, it is characterised in that inwardly offer a taper calixconcavity in the middle of the bottom surface of above-mentioned camber depression.
4. universal pivot structure as claimed in claim 2 or claim 3, it is characterized in that above-mentioned pedestal comprises a sleeve and a cover plate, this tank is formed in this sleeve inner, this sleeve one end offers this transmission hole, the other end offers an opening, this cover plate to should opening cover cap, this cover plate is provided with a perforation, this locating piece is extended with a projecting block away from one end that this camber caves in, and this projecting block wears and is positioned this perforation.
5. universal pivot structure as claimed in claim 4, it is characterised in that above-mentioned pedestal more comprises at least one elastomer, and this elastomer is sandwiched between this locating piece and this cover plate.
6. universal pivot structure as claimed in claim 5, it is characterised in that above-mentioned elastomer is a ring-type shell fragment, and this ring-type shell fragment has a through hole, and this projecting block is arranged in this through hole.
7. universal pivot structure as claimed in claim 4, it is characterised in that above-mentioned opening is provided with a female thread, and the outer peripheral edge of this cover plate is provided with an external screw thread, this female thread and this external screw thread are spirally connected mutually.
8. universal pivot structure as claimed in claim 4, it is characterised in that above-mentioned cover plate inwardly offers shape groove one by one away from the surface of this interchangeable keeper.
9. universal pivot structure as claimed in claim 4, it is characterized in that above-mentioned sleeve has ring and is located at a ring block of this outer peripheral edge, transmission hole, the diameter of this bulb is more than the bore in this transmission hole, to make this bulb and this collar be sandwiched between this ring block and this locating piece.
10. universal pivot structure as claimed in claim 4, it is characterised in that above-mentioned connecting portion comprises the axostylus axostyle extended from this bulb, and the top of this axostylus axostyle inwardly offers a bolt apertures.
11. universal pivot structure as claimed in claim 2 or claim 3, it is characterised in that the material of above-mentioned interchangeable keeper is identical with the material of this pedestal.
12. universal pivot structure as claimed in claim 2 or claim 3, it is characterised in that the material of above-mentioned interchangeable keeper is different with the material of this pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053639.2U CN205298244U (en) | 2015-12-17 | 2015-12-17 | Universal pivot structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053639.2U CN205298244U (en) | 2015-12-17 | 2015-12-17 | Universal pivot structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298244U true CN205298244U (en) | 2016-06-08 |
Family
ID=56431931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521053639.2U Expired - Fee Related CN205298244U (en) | 2015-12-17 | 2015-12-17 | Universal pivot structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439584A (en) * | 2016-11-21 | 2017-02-22 | 湖南善林轩信息技术有限公司 | Table lamp capable of being adjusted at will |
| CN112808922A (en) * | 2020-12-31 | 2021-05-18 | 余姚唐文工具有限公司 | Riveting tool |
-
2015
- 2015-12-17 CN CN201521053639.2U patent/CN205298244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439584A (en) * | 2016-11-21 | 2017-02-22 | 湖南善林轩信息技术有限公司 | Table lamp capable of being adjusted at will |
| CN112808922A (en) * | 2020-12-31 | 2021-05-18 | 余姚唐文工具有限公司 | Riveting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |