CN202579623U - Rotary connection structure avoiding excessive rotation - Google Patents
Rotary connection structure avoiding excessive rotation Download PDFInfo
- Publication number
- CN202579623U CN202579623U CN 201220016350 CN201220016350U CN202579623U CN 202579623 U CN202579623 U CN 202579623U CN 201220016350 CN201220016350 CN 201220016350 CN 201220016350 U CN201220016350 U CN 201220016350U CN 202579623 U CN202579623 U CN 202579623U
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- rotating shaft
- rotary
- bounding means
- connection structure
- shaft hole
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- 230000000295 complement effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 2
- 210000003050 axon Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a rotary connection structure avoiding excessive rotation. The rotary connection structure avoiding the excessive rotation comprises a rotating shaft arranged on a rotary shell body and a rotating shaft hole arranged in a support shell body and matched with the rotating shaft. The rotating shaft rotates in the rotating shaft hole, and the rotating shaft is provided with a positioning piece avoiding the excessive rotation of the rotating shaft. Correspondingly, the support shell body is provided with a main limiting piece for blocking the positioning piece when the rotating shaft rotates to a preset position to enable the rotating shaft to stop rotating, and a vice limiting piece used for enabling the positioning piece to rub against the vice limiting piece in advance and then enabling the positioning piece to stop close to the main limiting piece is further arranged close to the main limiting piece. The main limiting piece, the vice limiting piece and the support shell body are integrally formed. The rotary connection structure avoiding the excessive rotation mainly resolves the problem that a rotary connector or inner wiring is often twisted off in an existing rotary connection structure, and achieves the purposes that the excessive rotation of the rotary connector is avoided, service life of the rotary connector is improved, and manufacturing cost is saved.
Description
Technical field
The utility model relates to a kind of excessive rotary connection structure that prevents to rotate, and especially a kind ofly is applied to preventing in the household appliances and rotates excessive rotary connection structure.
Background technique
At present, a lot of products all are designed with rotary connection structure in order to reach the purpose of multi-angle rotation on the market.For swivel joint can effectively worked in the angle, these products will be set up the scope that an independent part is controlled angle of swing, and independent part can increase the cost of die cost and single product.In addition; Because angle of swing is not controlled; The angle of rotation of swivel joint is greater than 360 degree; Because swivel joint can unrestrictedly rotate, often rotate joint and twisted off or cause and be arranged in the phenomenon that the inner conducting wire of swivel joint twists off, also can be affected the working life of swivel joint.
The model utility content
The utility model technical problem to be solved is: a kind of excessive rotary connection structure that prevents to rotate is provided, to prevent swivel joint rotation excessively, the working life of improving swivel joint with save production cost.
For solving the problems of the technologies described above; The utility model adopts following technological scheme: a kind ofly prevent to rotate excessive rotary connection structure; Comprise the rotating shaft of being located at rotary shell, be located at the rotary shaft hole that is complementary with this rotating shaft on the support housing; Rotating shaft rotates in the said rotary shaft hole; Said rotating shaft is provided with and prevents the excessive locating piece of rotating shaft rotation, and accordingly, said support housing is provided with the main bounding means that stops said locating piece when supplying said rotating shaft to rotate to the precalculated position and rotating shaft is stopped the rotation; Near said main bounding means also is provided with near a secondary bounding means that is used to that said locating piece is rubbed with it in advance and stops at the said main bounding means, and said main bounding means and secondary bounding means and said support housing are one-body molded.
Further; Preset distance between said secondary bounding means and the said main bounding means so that said locating piece between the two, the distance of the said rotary shaft hole of friction side vertex distance of said secondary bounding means greater than on the said main bounding means near the distance of the said rotary shaft hole shaft axis of the vertex distance of said rotary shaft hole.
Further, be arc top shape with friction side termination that said locating piece rubs mutually on the said secondary bounding means.
Further, said locating piece is the protruding block that the sidewall upper edge rotating shaft of the axis of rotation extends radially out predetermined altitude.
Further; The free end of said rotating shaft also is provided with and is used for countershaft and is axially carrying out spacing and connecting the swivel joint of said rotary shell and support housing; This swivel joint has identical shaft axis with rotating shaft; And its external diameter is greater than the aperture of said rotary shaft hole, and said locating piece is the protruding block that swivel joint extends radially out predetermined altitude from the sidewall upper edge of this swivel joint.
Further, the cross section of said protruding block is curved.
Further, said main bounding means be positioned on the said rotary shaft hole end face, precalculated position, the rotary shaft hole circumference outside.
The beneficial effect of the utility model is: owing on the running shaft of rotary shell, be provided with and the integrated locating piece of rotary shell; Near the support housing upper spindle hole, be provided with and integrated main bounding means of support housing and secondary bounding means; Utilize this main bounding means to carry out spacing to the rotation of running shaft; Utilize secondary bounding means to prevent that auto-reverse the rotation with the prompting user of rotating shaft from putting in place, this rotary connection structure can prevent the running shaft rotation excessively, has avoided the swivel joint rotation excessively; Improve the working life of swivel joint, and can practice thrift manufacturing cost.
Below in conjunction with accompanying drawing the utility model is done further to describe in detail.
Description of drawings
Fig. 1 is the inner chamber schematic representation that the utility model embodiment prevents to rotate the rotary shell of excessive rotary connection structure.
Fig. 2 is the worm's eye view that the utility model embodiment prevents to rotate the rotary shell of excessive rotary connection structure.
Fig. 3 is the inner chamber schematic representation that the utility model embodiment prevents to rotate the support housing of excessive rotary connection structure.
Fig. 4 is an A-A sectional view among Fig. 3.
Fig. 5 is that the utility model embodiment prevents that the rotary shell that rotates excessive rotary connection structure is installed on the schematic representation on the support housing.
Fig. 6 is a B-B sectional view among Fig. 5.
Fig. 7 is the rotation status schematic representation of rotary shell.
Embodiment
Extremely shown in Figure 7 like Fig. 1; The utility model embodiment is revolved provides a kind of preventing to rotate excessive rotary connection structure, comprises the rotating shaft 2 of being located at rotary shell 1, is provided with rotary shaft hole 4, swivel joint 5, locating piece 6, main bounding means 7 and secondary bounding means 8 on the support housing 3.
Said rotary shell 1 is the housing of rotatable part in the household appliances, and this housing is the latter half part of whole rotary shell, and it utilizes said rotating shaft 2 rotations to be installed on the said support housing 3.
The cylinder axon that said rotating shaft 2 is stretched out predetermined length for the diapire of spinning housing 1, the wire guide 21 that is used to wear the conducting wire that leads to during its inside is provided with, the length of rotating shaft and said rotary shaft hole 4 are complementary.
Said support housing 3 is the housing that supports said rotary shell 1 in the household appliances; This housing is the latter half part of whole support housing; Which is provided with the rotary shaft hole 4 that supplies said rotating shaft 2 rotations to be mounted thereon; Said rotary shaft hole 4 is positioned at the through hole on the roof of said rotary shell 1, and itself and said rotating shaft 2 are complementary, and its aperture is greater than the external diameter of said rotating shaft 2.
Said swivel joint 5 is positioned at the free end of said rotating shaft 2; Be used for countershaft 2 axially carry out spacing; And connection rotary shell 1 and support housing 3; This swivel joint 5 has identical shaft axis with rotating shaft 2, and its external diameter is greater than the aperture of said rotary shaft hole 4, so that said rotating shaft 2 is limited axially when in support housing 3, rotating.
Said locating piece 6 stops the rotation when being used to supply said rotating shaft 2 to rotate to the precalculated position; Prevent rotating shaft 2 rotations excessively; In the present embodiment; Locating piece 6 is located on the said swivel joint 5, and it extends radially out the protruding block of predetermined altitude for the sidewall upper edge swivel joint 5 of spinning joint 5, and the cross section of this protruding block is curved., locating piece 6 is one-body molded with rotary shell 1, need not make part separately, has practiced thrift cost.
Said main bounding means 7 is used to make rotating shaft 2 to stop the rotation; Locating piece 6 when said rotating shaft 2 rotates to the precalculated position in rotary shaft hole 4 on it is stopped by main bounding means 7 and stops the rotation; Main bounding means 7 is located on the said support housing 3, and this main bounding means 7 is positioned on said rotary shaft hole 4 end faces, precalculated position, the rotary shaft hole 4 circumferences outside, and main bounding means 7 is one-body molded with support housing 3; Need not make part separately, practice thrift cost.
Said secondary bounding means 8 is used to prevent that rotating shaft 2 is auto-reverse, said locating piece 6 is rubbed with secondary bounding means 8 in advance rest against near the said main bounding means 7 again, and rotated after can pointing out user's rotating shaft 2 through rotation and put in place.Secondary bounding means 8 be positioned at said main bounding means 7 near; Secondary spacing 8 and main bounding means 7 between preset distance so that said locating piece 6 between the two; The distance of the said rotary shaft hole 4 of friction side vertex distance of said secondary bounding means 8 greater than on the said main bounding means 7 near the distance of said rotary shaft hole 4 shaft axiss of the vertex distance of said rotary shaft hole 4; Secondary bounding means 8 is one-body molded with support housing 3, need not make part separately, has practiced thrift cost.
The above is the embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.
Claims (7)
1. one kind prevents to rotate excessive rotary connection structure; Comprise the rotating shaft of being located at rotary shell, be located at the rotary shaft hole that is complementary with this rotating shaft on the support housing; Rotating shaft rotates in the said rotary shaft hole; Said rotating shaft is provided with and prevents the excessive locating piece of rotating shaft rotation; Accordingly; Said support housing is provided with the main bounding means that stops said locating piece when supplying said rotating shaft to rotate to the precalculated position and rotating shaft is stopped the rotation, and it is characterized in that: near said main bounding means also is provided with near a secondary bounding means that stops at again after being used to said locating piece is rubbed with it in advance the said main bounding means, and said main bounding means and secondary bounding means and said support housing are one-body molded.
2. as claimed in claim 1ly prevent to rotate excessive rotary connection structure; It is characterized in that: the preset distance between said secondary bounding means and the said main bounding means so that said locating piece between the two, the distance of the said rotary shaft hole of friction side vertex distance of said secondary bounding means greater than on the said main bounding means near the distance of the said rotary shaft hole shaft axis of the vertex distance of said rotary shaft hole.
3. as claimed in claim 1 preventing rotated excessive rotary connection structure, it is characterized in that: be arc top shape with friction side termination that said locating piece rubs mutually on the said secondary bounding means.
4. rotate excessive rotary connection structure like each described preventing in the claim 1 to 3, it is characterized in that: said locating piece is the protruding block that the sidewall upper edge rotating shaft of the axis of rotation extends radially out predetermined altitude.
5. as claimed in claim 4ly prevent to rotate excessive rotary connection structure; It is characterized in that: the free end of said rotating shaft also is provided with and is used for countershaft and is axially carrying out spacing and connecting the swivel joint of said rotary shell and support housing; This swivel joint has identical shaft axis with rotating shaft; And its external diameter is greater than the aperture of said rotary shaft hole, and said locating piece is the protruding block that swivel joint extends radially out predetermined altitude from the sidewall upper edge of this swivel joint.
6. as claimed in claim 5 preventing rotated excessive rotary connection structure, it is characterized in that: the cross section of said protruding block is curved.
7. as claimed in claim 1 preventing rotated excessive rotary connection structure, it is characterized in that: said main bounding means is positioned on the said rotary shaft hole end face, precalculated position, the rotary shaft hole circumference outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220016350 CN202579623U (en) | 2012-01-13 | 2012-01-13 | Rotary connection structure avoiding excessive rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220016350 CN202579623U (en) | 2012-01-13 | 2012-01-13 | Rotary connection structure avoiding excessive rotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579623U true CN202579623U (en) | 2012-12-05 |
Family
ID=47249038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220016350 Expired - Fee Related CN202579623U (en) | 2012-01-13 | 2012-01-13 | Rotary connection structure avoiding excessive rotation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715960A (en) * | 2022-03-30 | 2022-07-08 | 重庆钢铁股份有限公司 | Waste water treatment device |
-
2012
- 2012-01-13 CN CN 201220016350 patent/CN202579623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114715960A (en) * | 2022-03-30 | 2022-07-08 | 重庆钢铁股份有限公司 | Waste water treatment device |
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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: 20121205 Termination date: 20160113 |