CN217873760U - Slotted superelastic hinge and unfolding rigidity enhancing device - Google Patents
Slotted superelastic hinge and unfolding rigidity enhancing device Download PDFInfo
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- CN217873760U CN217873760U CN202221592525.5U CN202221592525U CN217873760U CN 217873760 U CN217873760 U CN 217873760U CN 202221592525 U CN202221592525 U CN 202221592525U CN 217873760 U CN217873760 U CN 217873760U
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Abstract
The utility model provides a slit-type superelastic hinge and a unfolding rigidity enhancing device, wherein the hinge comprises a hinge main body and at least one enhancing part, and the enhancing part is connected with the hinge main body; when the hinge main body is furled, the reserved part is bent, and the reinforced part is far away from the slotting part of the main body component; when the hinge main body is unfolded, the reserved part is reset, the reinforcing part is attached to the surface of the main body component, the reinforcing part stretches across the seam opening part of the main body component along the unfolding direction, and the unfolding rigidity reinforcing device comprises at least one reinforcing part; when the hinge main body is folded, the reserved part of the hinge main body is bent; when the hinge body is unfolded, the reserved part of the hinge body is reset, the reinforcing part is attached to the surface of the main body component, and the reinforcing part crosses the seam part of the main body component along the unfolding direction. The utility model discloses enough when the super-elastic hinge is expanding state, strengthen its axial bearing capacity, avoided structure bucking unstability, improved the stability of super-elastic hinge when expanding state.
Description
Technical Field
The utility model relates to an elasticity hinge technical field specifically, relates to slot type hyperelastic hinge and expansion rigidity reinforcing means.
Background
The rod assemblies in the foldable mechanism can adopt hinges to realize rotation freedom, and the super-elastic hinges realize unfolding, driving and locking functions by means of self-stored elastic potential energy, have the advantages of light weight, small size, no mechanical clamping and the like, and are increasingly adopted in space mechanisms.
When the superelastic hinge is in a unfolding state, the axial rigidity of the superelastic hinge directly influences the overall stability of the unfoldable mechanism, and if the loads at two ends of the superelastic hinge exceed the buckling critical load, the structure is buckled and unstable, and the stability is poor.
Disclosure of Invention
To overcome the disadvantages of the prior art, the present invention provides a slit-type superelastic hinge and a device for enhancing the unfolding rigidity of the hinge.
According to the utility model provides a slit-type superelastic hinge, which comprises a hinge main body and at least one reinforcing part, wherein the reinforcing part is connected with the hinge main body;
the hinge main body comprises a main body component, and a slotting part and a reserved part which are formed after slotting the main body component;
when the hinge main body is folded, the reserved part is bent, and the reinforcing part is far away from the slotting part of the main body component;
when the hinge body is unfolded, the retention part is reset, the reinforcing part is attached to the surface of the body member, and the reinforcing part crosses the seam part of the body member along the unfolding direction.
Optionally, the interior of the body member is of a hollow structure or a solid structure.
Optionally, in the case that the inside of the main body member is a cavity structure, the connection manner of the reinforcing part and the hinge main body is as follows:
the inner surface of the cavity of the main body component, which is far away from or close to the slotting part, is connected with a fixed support, the reinforcing part is rotationally connected with the fixed support, and the reinforcing part is attached to the inner wall of the cavity;
when the hinge main body is folded, the reinforcing part rotates to a position close to the reserved part;
when the hinge body is unfolded, the reinforcing portion is rotated to a position close to the slit portion.
Optionally, the fixed support and the reinforcing part are rotatably connected in a manner that:
the fixed support is connected with the check ring through the connecting piece, the check ring is fixed on the inner ring of the bearing, the outer ring of the bearing is connected with the reinforcing part, the reinforcing part is connected with one end of the holding part, and the other end of the holding part penetrates out of a reserved through hole which is used for moving the holding part and is arranged on the main body component.
Optionally, the bearing further comprises a rotating support, and the reinforcing part is connected with the outer ring of the bearing through the rotating support.
Optionally, the hinge further comprises a reset part, one end of the reset part is connected with the fixed support, the other end of the reset part is connected with the rotating support, and the reset part is used for resetting the reinforcing part to a position close to the slotted part when the hinge main body is unfolded.
Optionally, the device further comprises a limiting part, the limiting part comprises a first limiting sub-part and a second limiting sub-part, the first limiting sub-part is connected with the rotating support, the second limiting sub-part is connected with the fixed support, and the second limiting sub-part is used for limiting the rotating angle of the first limiting sub-part.
Optionally, the fixing support and the hinge body are both provided with positioning pin holes, and the fixing pin penetrates through the positioning pin holes in the fixing support and the hinge body to fix the fixing support.
Alternatively, the reinforcement portion may completely cover the slit portion or partially cover the slit portion, and the reinforcement portion may be completely covered or partially covered by the reserved portion, and in the case where the reserved portion partially covers the reinforcement portion, the reinforcement portion partially covers the slit portion.
In another aspect, a deployed stiffness enhancing device is provided, comprising at least one enhancement portion;
when the hinge main body is furled, the reserved part of the hinge main body is bent, and the reinforced part is far away from the slotted part of the main body component;
when the hinge body is unfolded, the remaining portion of the hinge body is restored, the reinforcing portion is attached to the surface of the body member, and the reinforcing portion crosses over the slit portion of the body member in the unfolding direction.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a seam formula hyperelastic hinge and expansion rigidity reinforcing means can strengthen its axial bearing capacity when the hyperelastic hinge is expanding state, has avoided structure bucking unstability, has improved the stability of hyperelastic hinge when expanding state.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a cross-sectional view of a slotted superelastic hinge according to the present invention;
fig. 2 is a schematic structural view of the unfolding rigidity enhancing apparatus provided by the present invention;
FIG. 3 is a front view of the slotted superelastic hinge according to the present invention;
fig. 4 is a schematic view of the hinge body according to the present invention in an unfolded state;
fig. 5 is a partial schematic view of the reinforcing apparatus provided by the present invention.
In the figure: 1. fixing a support; 2. a reset section; 3. rotating the support; 4. a bearing; 5. a retainer ring; 6. a connecting member; 7. a reinforcement section; 8. a limiting part; 9. a positioning pin hole; 10. a hinge body; 11. a retention site; 12. and (4) slotting part.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one of ordinary skill in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, a slotted superelastic hinge of the present invention includes a hinge body 10 and at least one reinforcing part 7, wherein the reinforcing part 7 is connected to the hinge body 10;
as shown in fig. 4, the hinge body 10 includes a body member, and a slit portion 12 and a holding portion 11 formed by slitting the body member.
In a specific application, the main body member generally adopts a thin-walled cylindrical shell structure, the interior of the thin-walled cylindrical shell structure is a cavity structure, the main body member is generally made of an elastic material and may be made of a rubber material or the like, and therefore, after the slotting process, a hinge structure may be formed by bending the remaining portion 11, it is understood that the main body member may also adopt a rectangular parallelepiped structure or the like, the slotting portion 12 may adopt a through hole in a long strip shape, a through hole in a circular shape or a through hole in other shapes, and the interior of the main body member may also be a solid structure, in the case that the main body member is a solid structure, the slotting portion 12 is provided with a slot along the main body member, then the remaining portion 11 is reserved in the central portion, the number of the reinforcing portions 7 may be one, and of course, a plurality of the slotting portions 12 may be set, which are only some examples of the present embodiment, and cannot be understood as a limitation to the present embodiment.
In the present embodiment, when the main body component adopts a thin-walled cylindrical shell structure with a cavity structure, in order not to increase the overall size, the reinforcing portion 7 may be assembled in the cavity structure of the thin-walled cylindrical shell structure, it can be understood that the reinforcing portion 7 may also be assembled outside the thin-walled cylindrical shell, and in the case that the main body component adopts the thin-walled cylindrical shell structure with the cavity structure, the reinforcing portion 7 may correspondingly adopt an arc-shaped sheet structure, and the arc-shaped sheet structure and the thin-walled cylindrical shell structure are adapted.
When the hinge main body 10 is furled, the reserved part 11 is bent, and the reinforced part 7 is far away from the slit part 12 of the main body component;
when the hinge body 10 is unfolded, the remaining portion 11 is restored, the reinforcing portion 7 is attached to the surface of the body member, and the reinforcing portion 7 crosses the slit portion 12 of the body member in the unfolding direction.
In a specific application, in the case of a cavity structure inside the main body member, the connection manner of the reinforcing part 7 and the hinge main body 10 is as follows:
the inner surface of the cavity of the main body component, which is far away from or close to the seam opening part, is connected with a fixed support 1, a reinforcing part 7 is rotationally connected with the fixed support 1, and the reinforcing part 7 is attached to the inner wall of the cavity, wherein positioning pin holes 9 are formed in the fixed support 1 and the hinge main body 10, and a fixing pin penetrates through the positioning pin holes 9 in the fixed support 1 and the hinge main body 10 to fix the fixed support 1 and the hinge main body 10;
when the hinge body 10 is folded, the reinforcing part 7 rotates to a position close to the retention part 11, which can be understood as that the reinforcing part 7 is attached to the surface of the retention part 11, in which case, the reinforcing part 7 also needs to be made of elastic material;
when the hinge body 10 is unfolded, the reinforcement part 7 is rotated to a position close to the slit part 12:
in order to avoid the reinforcing portion 7 from affecting the bending of the hinge main body 10, the area of the reinforcing portion 7 is smaller than that of the reserved portion 11, it is understood that when the hinge main body 10 is folded, and the reinforcing portion 7 is rotated to a position close to the reserved portion 11, the reserved portion 11 may completely cover the reinforcing portion 7, of course, the reserved portion 11 may partially cover the reinforcing portion 7, in the case that the reserved portion 11 partially covers the reinforcing portion, the reinforcing portion 7 may only partially cover the slit portion 12, and in order to avoid the hinge main body 10 from bending when receiving an axial force, the reinforcing portion 7 may completely cover the slit portion 12 in the best bending resistance, and of course, the reinforcing portion 7 may partially cover the slit portion 12.
In order to facilitate the rotation of the reinforcing part 7, the rotation connection mode of the reinforcing part 7 and the fixed support 1 is as follows:
as shown in fig. 1 and 2, the fixing support 1 is connected to the retainer ring 5 through a connector 6, the retainer ring 5 is fixed to the inner ring of the bearing 4, the outer ring of the bearing 4 is connected to the reinforcing portion 7, the reinforcing portion 7 is connected to one end of a holding portion (not shown), the other end of the holding portion penetrates through a through hole reserved in the main body member and used for movement of the holding portion, the connector 6 can generally adopt a connecting screw, two ends of the connecting screw are fixedly connected to the fixing support 1 and the retainer ring 5, the retainer ring 5 is fixed to the inner ring of the bearing 4 by welding, bonding or the like, the holding portion can be a pin or a connecting rod or the like, and the reinforcing portion 7 can be rotated by holding the holding portion.
Because it is not very convenient relatively to process at bearing 4 surface, the condition of damaging bearing 4 appears easily, consequently can set up rotatory support 3, reinforcing part 7 is connected through the outer lane of rotatory support 3 and bearing 4, rotatory support 3 can adopt modes such as welding, bonding and the outer lane of bearing 4 to be connected, reinforcing part 7 can peg graft on the installation interface on rotatory support 3, then fix through the bolt, likewise, also can adopt modes such as welding, bonding and the rotatory support 3 is connected.
It is understood that, in addition to the above-described rotation manner, in other embodiments, the rotation manner may be: fixing support 1 and hinge main part 10 inner wall connection, and reserve the clearance between fixing support 1 and the hinge main part 10 inner wall, then 1 circumference surface of fixing support sets up the spout, and reinforcing portion 7 rotates through the spout on slider and the fixing support 1 and connects.
As shown in fig. 5, in order to limit the rotation angle of the rotating support 3, a limiting portion 8 may be further disposed between the rotating support 3 and the fixed support 1, the limiting portion 8 may generally include a first limiting sub-portion and a second limiting sub-portion, the first limiting sub-portion is connected to the rotating support 3, the second limiting sub-portion is connected to the fixed support 1, the second limiting sub-portion is used to limit the rotation angle of the first limiting sub-portion, the first limiting sub-portion may be a limiting rod, and the corresponding second limiting sub-portion may be an arc-shaped limiting groove.
Under the condition that adopts fixing support 1 and rotating support 3, when hinge main part 10 expandes, can reset automatically for rotating support 3, can set up the portion of resetting 2 between fixing support 1 and rotating support 3, in this embodiment, the portion of resetting 2 can be the torsional spring, under the condition that adopts the torsional spring, when hinge main part 10 draws in, the torsional spring is in the deformation state, there is the restoring force to exist, however, it can extrude reinforcing part 7 to remain position 11, thereby avoided reinforcing part 7 to reset, the connected mode of torsional spring and fixing support 1 and rotating support 3 can be that the torsional spring both ends are connected on fixing support 1 and rotating support 3's torsional spring locator card.
It can be understood that the reinforcing portion 7 may be provided on the inner wall of the hinge main body 10 in an axially sliding manner, the reinforcing portion 7 may be provided on the inner wall of the hinge main body 10 in a sliding manner, the reinforcing portion 7 is attached to the inner wall of the hinge main body 10, the reinforcing portion 7 spans the slit portion 12 of the main body member, and the reinforcing portion 7 may be provided on the inner wall of the hinge main body 10 in a sliding manner away from the slit portion 12.
Example 2
A deployed stiffness enhancing device comprising at least one reinforcing portion 7;
when the hinge main body 10 is folded, the reserved part 11 of the hinge main body 10 is bent, and the reinforcing part 7 is far away from the slit part 12 of the main body component;
when the hinge body 10 is unfolded, the remaining portion 11 of the hinge body 10 is restored, the reinforcing portion 7 is attached to the surface of the body member, and the reinforcing portion 7 crosses the slit portion 12 of the body member in the unfolding direction.
The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A slotted superelastic hinge comprising a hinge body and at least one reinforcement connected to said hinge body;
the hinge main body comprises a main body component, and a slotting part and a reserved part which are formed after slotting the main body component;
when the hinge main body is folded, the reserved part is bent, and the reinforced part is far away from the slotting part of the main body component;
when the hinge main body is unfolded, the reserved part is reset, the reinforced part is attached to the surface of the main body component, and the reinforced part crosses the seam part of the main body component along the unfolding direction.
2. The slotted superelastic hinge according to claim 1, wherein said body member has a hollow or solid configuration therein.
3. The slotted superelastic hinge according to claim 2, wherein, with the body member internal cavity configuration, the reinforcement and hinge body are connected by:
the inner surface of the cavity of the main body component, which is far away from or close to the slotting part, is connected with a fixed support, the reinforcing part is rotationally connected with the fixed support, and the reinforcing part is attached to the inner wall of the cavity;
when the hinge main body is folded, the reinforcing part rotates to a position close to the reserved part;
when the hinge main body is unfolded, the reinforcement portion is rotated to a position close to the slit portion.
4. The slotted superelastic hinge according to claim 3, wherein said fixed support and said reinforcement member are rotationally coupled by:
the fixed support is connected with the check ring through a connecting piece, the check ring is fixed on the inner ring of the bearing, the outer ring of the bearing is connected with the reinforcing part, the reinforcing part is connected with one end of the holding part, and the other end of the holding part penetrates out of a through hole reserved in the main body component and used for the movement of the holding part.
5. The slotted superelastic hinge according to claim 4, further comprising a rotational support, wherein said reinforcement is connected to an outer race of said bearing by said rotational support.
6. The slotted superelastic hinge according to claim 5, further comprising a reset portion, wherein one end of said reset portion is connected to a fixed support and the other end of said reset portion is connected to said rotatable support, said reset portion being configured to reset said reinforcement portion to a position proximate to said slotted portion when said hinge body is deployed.
7. The slotted superelastic hinge of claim 5, further comprising a limiting portion comprising a first limiting sub-portion connected to the rotating support and a second limiting sub-portion connected to the fixed support, wherein the second limiting sub-portion is configured to limit the angle of rotation of the first limiting sub-portion.
8. The slotted superelastic hinge according to claim 5, wherein both the fixing support and the hinge body are provided with dowel pin holes, and a fixing pin is inserted into the dowel pin holes of the fixing support and the hinge body to fix the fixing support.
9. The slotted superelastic hinge according to claim 1, wherein said reinforcement portion may completely cover or partially cover said slotted site and said reinforcement portion may be completely or partially covered by said retention portion, with said retention portion partially covering said reinforcement portion, said reinforcement portion partially covering said slotted site.
10. A deployed stiffness enhancing device comprising at least one enhancement portion;
when the hinge main body is furled, the reserved part of the hinge main body is bent, and the reinforced part is far away from the slotted part of the main body component;
when the hinge main body is unfolded, the reserved part of the hinge main body is reset, the reinforcing part is attached to the surface of the main body component, and the reinforcing part crosses the seam part of the main body component along the unfolding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221592525.5U CN217873760U (en) | 2022-06-24 | 2022-06-24 | Slotted superelastic hinge and unfolding rigidity enhancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221592525.5U CN217873760U (en) | 2022-06-24 | 2022-06-24 | Slotted superelastic hinge and unfolding rigidity enhancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873760U true CN217873760U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221592525.5U Active CN217873760U (en) | 2022-06-24 | 2022-06-24 | Slotted superelastic hinge and unfolding rigidity enhancing device |
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| Country | Link |
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| CN (1) | CN217873760U (en) |
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- 2022-06-24 CN CN202221592525.5U patent/CN217873760U/en active Active
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