CN220607596U - Hand crank mechanism for outdoor sunshade umbrella - Google Patents
Hand crank mechanism for outdoor sunshade umbrella Download PDFInfo
- Publication number
- CN220607596U CN220607596U CN202322351615.6U CN202322351615U CN220607596U CN 220607596 U CN220607596 U CN 220607596U CN 202322351615 U CN202322351615 U CN 202322351615U CN 220607596 U CN220607596 U CN 220607596U
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- Prior art keywords
- torsion spring
- hand crank
- limiting
- crank mechanism
- outdoor
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- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The utility model discloses a hand crank mechanism for an outdoor sunshade, which comprises a hand crank shaft and a torsion spring matched with the hand crank shaft, wherein the hand crank shaft comprises a rotating shaft part and a limiting part, the torsion spring is matched with the limiting part for installation, the limiting part comprises a limiting table and a correcting part arranged on the annular surface of the limiting table, the torsion spring comprises a torsion spring body, the correcting part is positioned in an inner cavity of the torsion spring body, and when the torsion spring body deforms along with rotation of the hand crank shaft, the correcting part is used for carrying out interference limitation on the deformation part of the inner cavity of the torsion spring body. According to the utility model, the handle shaft is optimally designed, the correction part structure is added, and the correction part is used for forming deformation limitation on the inner ring of the torsion spring, so that the excessive deformation of the torsion spring is avoided, the protection of the torsion spring is increased, and the service life of a product is prolonged.
Description
Technical Field
The utility model relates to the technical field of outdoor sunshades, in particular to a hand crank mechanism for an outdoor sunshading umbrella.
Background
In the operation process of opening and closing the outdoor sunshade umbrella, a matched hand crank mechanism is usually needed, the existing hand crank mechanism is a driving mechanical device, the hand crank is usually manually operated when in use, the hand crank is aligned to a connector of a part needing to be driven to rotate, and a handle of the hand crank is rotated to drive corresponding parts to rotate. The hand crank is an important component forming a hand crank mechanism, and generally comprises a hand crank body, one end of the hand crank body is provided with a rotation mounting seat for rotating and mounting the whole hand crank on a corresponding product, the other end of the hand crank body is used for being connected with the hand crank, the rotation mounting seat is generally used for being matched with a torsion spring component, the torsion spring component is used for realizing reverse limiting of rotation of the hand crank, and reverse slip prevention of the hand crank is realized.
If the bulletin number is CN217739807U, a mechanical handle is with rocking shaft is disclosed, including rocking shaft body, the coaxial rotation mount pad that is provided with of one end of rocking shaft body, characterized by rocking shaft body and rotation mount pad between be detachable fixed connection.
As an announcement number CN201499742U, an umbrella with a handle device for controlling opening and closing of an umbrella cover is disclosed, the handle device is arranged on an umbrella pole and is used for controlling opening and closing of the umbrella cover through an umbrella rope, and the handle device comprises: the shell is positioned in the shell and is used for winding a rope wheel of the umbrella winding rope; the rope winding wheel is sleeved on the hand shaft; the limiting mechanism comprises a support column fixed on the inner wall of the shell and a torsion spring sleeved on the outer wall of the support column, wherein one end of the hand crank shaft, far away from a driving part of the hand crank shaft, is sleeved on the outer wall of the torsion spring.
However, in the matching process of the existing handle shaft and the torsion spring, when the torsion spring completes the anti-slip effect on the handle shaft, the torsion spring is easy to deform greatly, and in the long-term use process, the torsion spring is easy to fail, so that the anti-slip effect of the handle shaft is affected.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide the hand crank mechanism for the outdoor sunshade, which can limit the deformation of the torsion spring, increase the protection of the torsion spring and prolong the service life of products.
The technical problems solved by the utility model can be realized by adopting the following technical scheme:
the utility model provides an outdoor sun shade is with shaking hands mechanism, include shaking hands axle and be used for with shaking hands axle complex torsional spring, shaking hands axle includes pivot portion and spacing portion, the torsional spring is used for installing with spacing portion cooperation, spacing portion include spacing platform and set up in correction portion on the spacing platform annular face, the torsional spring includes the torsional spring body, correction portion is located in the torsional spring body inner chamber, the torsional spring body takes place deformation along with shaking hands the rotation of axle, correction portion is used for right the deformation department of torsional spring body inner chamber is contradicted and is restricted.
The limiting table is characterized in that a first abutting portion and a second abutting portion are arranged at two ends of the limiting table respectively, a first limiting portion and a second limiting portion are arranged at two ends of the torsion spring body respectively, the first limiting portion is used for abutting fit with the first abutting portion, and the second limiting portion is used for abutting fit with the second abutting portion.
The upper end of the correcting part is provided with a correcting interference surface which is used for being in interference fit with the inner cavity wall of the torsion spring body.
The correcting part is positioned at the middle position on the annular surface on the limiting table and further comprises inclined side walls at two sides.
The novel hand crank is characterized by further comprising a hand crank shell, wherein a spring assembly part is arranged in the hand crank shell and is used for being matched with the torsion spring in an installation mode.
The outer end face of the rotating shaft part is provided with a handle assembly part which is used for being matched with the handle.
The rotating shaft part is provided with a rope winding wheel in a matching way.
The rotating shaft part is provided with a rope winding hole.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the handle shaft is optimally designed, the correction part structure is added, and the correction part is used for forming deformation limitation on the inner ring of the torsion spring, so that the excessive deformation of the torsion spring is avoided, the protection of the torsion spring is increased, and the service life of a product is prolonged.
The features of the present utility model will be apparent from the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic overall sectional view of the present utility model;
FIG. 2 is a schematic view of the mounting cross-sectional structure of the crank shaft, torsion spring and crank housing of the present utility model;
FIG. 3 is a schematic view of the internal mounting structure of the crank shaft, torsion spring and crank housing of the present utility model;
FIG. 4 is a schematic diagram of the overall structure of the present utility model;
FIG. 5 is a schematic view of the cooperating mounting structure of the crank shaft and torsion spring of the present utility model;
fig. 6 is a schematic view of the structure of the hand crank of the present utility model.
Detailed Description
The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.
Referring to fig. 1 to 6, the embodiment discloses a hand crank mechanism for an outdoor sunshade, which comprises a hand crank shaft 100 and a torsion spring 200 matched with the hand crank shaft 100, wherein the torsion spring 200 is used for realizing limited slip of the hand crank shaft 100 and avoiding the reverse rotation of the hand crank shaft 100; the hand crank 100 comprises a rotating shaft part 110 and a limiting part 120, the torsion spring 200 is used for being matched with the limiting part 120, the limiting part 120 comprises a limiting table 122 and a correcting part 121 arranged on the annular surface of the limiting table 122, the limiting table 122 is usually a semicircular ring part, the other part is a notch, the torsion spring 200 comprises a torsion spring body 203, the correcting part 121 is positioned in the inner cavity of the torsion spring body 203, and when the torsion spring body 203 deforms along with the rotation of the hand crank 100, the correcting part 121 is used for carrying out interference limitation on the deformation part of the inner cavity of the torsion spring body 203; the correction part 121 is of a convex structure design, and the correction part 121 can limit the deformation of the torsion spring body 203, reduce the deformation amount of the torsion spring 200 and improve the deformation protection of the torsion spring 200.
In combination with the above, the two ends of the limiting platform 122 are respectively provided with the first abutting portion 123 and the second abutting portion 124, the two ends of the torsion spring body 203 are respectively provided with the first limiting portion 201 and the second limiting portion 202, the first limiting portion 201 is used for abutting and matching with the first abutting portion 123, and the second limiting portion 202 is used for abutting and matching with the second abutting portion 124; by utilizing the cooperation between the first abutting part 123 and the second abutting part 124 and the first limiting part 201 and the second limiting part 202, the torsion spring 200 and the limiting table 122 can be in limited cooperation, so that the slip resistance of the hand crank shaft 100 is realized.
Preferably, the upper end of the correcting portion 121 is provided with a correcting abutting surface 125, the correcting abutting surface 125 is preferably designed in a plane or an arc surface, and the correcting abutting surface 125 is used for abutting against the inner cavity wall of the torsion spring body 203; the correcting portion 121 is located at a middle position on the annular surface on the limiting table 122, and the correcting portion 121 further includes two side inclined side walls 126.
In one preferred embodiment, the device further comprises a handle shell 300, wherein a spring assembly part 310 is arranged in the handle shell 300, and the spring assembly part 310 is used for being in installation fit with the torsion spring 200; the outer side wall of the torsion spring 200 is mutually attached to the inner wall of the spring assembly part 310, and the structure of the spring assembly part 310 is optimally designed, so that the torsion spring 200 is convenient to assemble and use.
The outer end surface of the rotating shaft 110 is provided with a handle assembly part 111, and the handle assembly part 111 is used for being matched with the handle 400.
In one preferred embodiment, the reel portion 110 is cooperatively provided with a rope reel 500, and the rope reel 500 is used to cooperate with an umbrella rope, and the structure is generally applicable to umbrella types such as roman umbrella, banana umbrella, etc.
In one preferred embodiment, the spool 110 is provided with a rope winding hole 101, the rope winding hole 101 being adapted to fit an umbrella rope, the construction being generally applicable to a umbrella of a stick umbrella type.
According to the utility model, the handle shaft is optimally designed, the correction part structure is added, and the correction part is used for forming deformation limitation on the inner ring of the torsion spring, so that the excessive deformation of the torsion spring is avoided, the protection of the torsion spring is increased, and the service life of a product is prolonged.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation or modification made to the above embodiments according to the technical principles of the present utility model still falls within the scope of the technical solutions of the present utility model.
Claims (8)
1. The utility model provides an outdoor sun shade is with shaking hand mechanism, include shake the hand shaft and be used for with shake hand shaft complex torsional spring, shake the hand shaft including pivot portion and spacing portion, the torsional spring is used for installing its characterized in that with spacing portion cooperation: the limiting part comprises a limiting table and a correcting part arranged on the annular surface of the limiting table, the torsion spring comprises a torsion spring body, the correcting part is positioned in the inner cavity of the torsion spring body, and when the torsion spring body deforms along with the rotation of the hand crank shaft, the correcting part is used for carrying out interference limitation on the deformation part of the inner cavity of the torsion spring body.
2. A hand crank mechanism for an outdoor parasol as claimed in claim 1, wherein: the limiting table is characterized in that a first abutting portion and a second abutting portion are arranged at two ends of the limiting table respectively, a first limiting portion and a second limiting portion are arranged at two ends of the torsion spring body respectively, the first limiting portion is used for abutting fit with the first abutting portion, and the second limiting portion is used for abutting fit with the second abutting portion.
3. A hand crank mechanism for an outdoor parasol as claimed in claim 2, wherein: the upper end of the correcting part is provided with a correcting interference surface which is used for being in interference fit with the inner cavity wall of the torsion spring body.
4. A hand crank mechanism for an outdoor parasol as claimed in claim 3, wherein: the correcting part is positioned at the middle position on the annular surface on the limiting table and further comprises inclined side walls at two sides.
5. A hand crank mechanism for an outdoor parasol according to any of claims 1 to 4, wherein: the novel hand crank is characterized by further comprising a hand crank shell, wherein a spring assembly part is arranged in the hand crank shell and is used for being matched with the torsion spring in an installation mode.
6. The hand crank mechanism for an outdoor sunshade of claim 5, wherein: the outer end face of the rotating shaft part is provided with a handle assembly part which is used for being matched with the handle.
7. The hand crank mechanism for an outdoor sunshade of claim 6, wherein: the rotating shaft part is provided with a rope winding wheel in a matching way.
8. The hand crank mechanism for an outdoor sunshade of claim 6, wherein: the rotating shaft part is provided with a rope winding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351615.6U CN220607596U (en) | 2023-08-30 | 2023-08-30 | Hand crank mechanism for outdoor sunshade umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351615.6U CN220607596U (en) | 2023-08-30 | 2023-08-30 | Hand crank mechanism for outdoor sunshade umbrella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220607596U true CN220607596U (en) | 2024-03-19 |
Family
ID=90234604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322351615.6U Active CN220607596U (en) | 2023-08-30 | 2023-08-30 | Hand crank mechanism for outdoor sunshade umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220607596U (en) |
-
2023
- 2023-08-30 CN CN202322351615.6U patent/CN220607596U/en active Active
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