CN216381163U - Sliding roller shutter - Google Patents
Sliding roller shutter Download PDFInfo
- Publication number
- CN216381163U CN216381163U CN202120444335.8U CN202120444335U CN216381163U CN 216381163 U CN216381163 U CN 216381163U CN 202120444335 U CN202120444335 U CN 202120444335U CN 216381163 U CN216381163 U CN 216381163U
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- China
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- torsion spring
- driven gear
- winding drum
- roller shutter
- adjusting shaft
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Abstract
The utility model discloses a sliding roller shutter which comprises a roller shutter, a sliding rod, a guide rail and a roller shutter mounting seat, wherein the end part of the roller shutter is rotatably connected with the roller shutter mounting seat; the winding drum is characterized in that a pre-tightening adjusting shaft and a torsion spring pipe are arranged in the winding drum, the torsion spring pipe is sleeved outside the pre-tightening adjusting shaft, one end of the torsion spring pipe is fixed with the pre-tightening adjusting shaft, the other end of the torsion spring pipe is connected with the winding drum, a driving part connected with the pre-tightening adjusting shaft is arranged in the winding drum mounting seat, and the driving part is used for driving the pre-tightening adjusting shaft to rotate and lift the elasticity of the torsion spring pipe. The utility model can automatically retract the roller shutter, and the movement process is smooth and does not shake.
Description
Technical Field
The utility model relates to the technical field of roller shutters, in particular to a sliding roller shutter.
Background
Spring roller blinds are a common screening, sun shading product, which typically has a cord wound around the outer circumferential surface of a spool, a spring assembly and a tail plug housed within the spool, with the lower edge of the cord attached to a lower rail. The spring roller shutter can automatically retract by utilizing the restoring force of the spring, and is convenient to use.
However, the free end of the curtain cloth of the existing spring roller shutter is easy to shake with wind, noise is generated, and the situation that the glass window is damaged by collision can even occur in windy weather.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a sliding roller shutter, which can automatically retract the roller shutter and has a smooth movement without shaking.
In order to solve the technical problem, the utility model provides a sliding roller shutter which comprises a roller, a roller shutter, a sliding rod, a guide rail and a roller mounting seat, wherein the end part of the roller is rotatably connected with the roller mounting seat;
the winding drum is characterized in that a pre-tightening adjusting shaft and a torsion spring pipe are arranged in the winding drum, the torsion spring pipe is sleeved outside the pre-tightening adjusting shaft, one end of the torsion spring pipe is fixed with the pre-tightening adjusting shaft, the other end of the torsion spring pipe is connected with the winding drum, a driving part connected with the pre-tightening adjusting shaft is arranged in the winding drum mounting seat, and the driving part is used for driving the pre-tightening adjusting shaft to rotate and lift the elasticity of the torsion spring pipe.
As an improvement of the above scheme, the torsion spring tube includes a first torsion spring and a conical tube, the first torsion spring is sleeved at the small-diameter end of the conical tube, one end of the first torsion spring is fixed with the conical tube, the other end of the first torsion spring is fixed with the pre-tightening adjusting shaft, the conical tube is clamped with the inner wall of the winding drum, and the conical tube can rotate along with the winding drum.
As an improvement of the above scheme, the driving component is a driving gear, a stopping component is further arranged in the reel mounting seat, the stopping component comprises a second torsion spring and a blocking arm, the blocking arm is provided with a limiting tooth matched with the driving gear, and the second torsion spring is stretched and supported between the blocking arm and the reel mounting seat.
As an improvement of the above scheme, the driving gear comprises a driving gear and a driven gear, the driven gear is fixed with the pretension adjusting shaft, and the driven gear is meshed with the driving gear;
the blocking arm is provided with a first limiting tooth matched with the driving gear and a second limiting tooth matched with the driven gear.
As an improvement of the above scheme, the driven gear includes a first driven gear and a second driven gear, the first driven gear is fixed to the pretension adjusting shaft and is engaged with the driving gear, the second driven gear is coaxially and fixedly disposed with the first driven gear, a base circle diameter of the second driven gear is smaller than a base circle diameter of the first driven gear, and the second driven gear is engaged with the second limit gear.
As an improvement of the above scheme, the first driven gear and the driving gear are spur gears, and the second driven gear is a helical gear.
As an improvement of the scheme, one side of the blocking arm, which is far away from the limiting teeth, is provided with a limiting groove matched with the second torsion spring.
As an improvement of the scheme, the driven gear is a bevel gear, the large-diameter end of the bevel gear is meshed with the driving gear, and the small-diameter end of the bevel gear is meshed with the second limiting teeth.
As an improvement of the above scheme, a guide shaft is arranged in the winding drum and is coaxial with the pre-tightening adjusting shaft, one end of the guide shaft, which is far away from the pre-tightening adjusting shaft, is provided with a switching piece which is rotatably connected with the winding drum mounting seat, a pressure spring is sleeved outside the guide shaft, a limit groove is arranged at the large-diameter end of the conical tube, and the pressure spring is tensioned between the groove bottom of the limit groove and the switching piece.
As an improvement of the scheme, a first magnetic attraction piece is arranged at the bottom of the sliding rod, a roller shutter in-place section bar is arranged at one end, away from the winding drum mounting seat, of the guide rail, and a second magnetic attraction piece which is mutually attracted with the first magnetic attraction piece is arranged on the roller shutter in-place section bar.
The implementation of the utility model has the following beneficial effects:
the utility model discloses a sliding roller shutter, when a sliding rod is pulled to be far away from a roller, the roller shutter drives the roller to rotate, a torsion spring tube in the roller accumulates torsion, when the sliding rod is loosened, the torsion of the torsion spring tube is released, the roller rotates reversely, the opened roller shutter is wound outside the roller again, and the roller shutter is automatically retracted; in the embodiment, the guide rails are arranged on the two sides of the winding drum, the sliding rod at the end part of the roller shutter is in sliding contact with the guide rails, the sliding rod and the roller shutter move smoothly, and the shaking of the sliding rod and the roller shutter and the noise generated by the shaking can be avoided; in addition, a pre-tightening adjusting shaft fixed to one end of the torsion spring tube is arranged in the torsion spring tube, the pre-tightening adjusting shaft can be driven to rotate by driving a driving part connected with the pre-tightening adjusting shaft, the torsion spring tube is tensioned, a pre-tightening effect is achieved on the torsion spring tube, the partial pre-tightening torsion force can sufficiently offset the sliding friction force between the sliding rod and the guide rail, and the roller shutter can be completely reset by the torsion force of the torsion spring tube when being retracted; in addition, the pretightening force of the torsion spring pipe is adjusted through the driving part, so that the retraction speed of the roller shutter can be freely adjusted.
Drawings
FIG. 1 is a perspective view of one embodiment of a sliding blind of the present invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is an exploded view of the spool of FIG. 2;
FIG. 4 is a schematic longitudinal cross-sectional structural view of the spool of FIG. 2;
fig. 5 is a schematic view of an assembly structure of the reel mount of fig. 2 with a driving member and a stopper member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the present embodiment provides an embodiment of a sliding roller blind 2, including a roller blind 1, a roller blind 2, a sliding rod 3, a guide rail 4 and a roller mounting seat 5, wherein an end of the roller blind 1 is rotatably connected to the roller mounting seat 5, the sliding rod 3 is disposed in parallel with the roller blind 1, one end of the roller blind 2 is fixed to the sliding rod 3, the other end of the roller blind is wound outside the roller blind 1, the guide rail 4 is disposed on two sides of the roller blind 1, and two ends of the sliding rod 3 are in sliding contact with the guide rail 4 respectively; with reference to fig. 3 and 4, a pre-tightening adjusting shaft 6 and a torsion spring tube 7 are arranged in the winding drum 1, the torsion spring tube 7 is sleeved outside the pre-tightening adjusting shaft 6, one end of the torsion spring tube 7 is fixed to the pre-tightening adjusting shaft 6, the other end of the torsion spring tube is connected with the winding drum 1, a driving component 8 connected with the pre-tightening adjusting shaft 6 is arranged in the winding drum mounting seat 5, and the driving component 8 is used for driving the pre-tightening adjusting shaft 6 to rotate and lift the elasticity of the torsion spring tube 7.
In the embodiment, when the sliding rod 3 is pulled to be away from the winding drum 1, the roller shutter 2 drives the winding drum 1 to rotate, the torsion spring tube 7 in the winding drum 1 accumulates torsion, when the sliding rod 3 is loosened, the torsion of the torsion spring tube 7 is released, the winding drum 1 rotates reversely, the opened roller shutter 2 is wound outside the winding drum 1 again, and the roller shutter 2 is automatically retracted; in the embodiment, the guide rails 4 are arranged on the two sides of the winding drum 1, the sliding rod 3 at the end part of the roller shutter 2 is in sliding contact with the guide rails 4, the sliding rod 3 and the roller shutter 2 move smoothly, and the shaking of the sliding rod 3 and the roller shutter 2 and the noise generated by the shaking can be avoided; in addition, in the embodiment, a pre-tightening adjusting shaft 6 fixed to one end of the torsion spring tube 7 is arranged in the torsion spring tube 7, the pre-tightening adjusting shaft 6 can be driven to rotate by driving a driving part 8 connected with the pre-tightening adjusting shaft 6, the torsion spring tube 7 is tensioned, and a pre-tightening effect is exerted on the torsion spring tube 7, the partial pre-tightening torsion force is enough to offset the sliding friction force between the slide rod 3 and the guide rail 4, so that the roller shutter 2 can be completely reset by the torsion force of the torsion spring tube 7 when being retracted; in addition, the pre-tightening force of the torsion spring tube 7 is adjusted through the driving part 8, so that the retraction speed of the roller shutter 2 can be freely adjusted.
Specifically, the torsion spring tube 7 of this embodiment includes a first torsion spring 71 and a tapered tube 72, the first torsion spring 71 is sleeved on a small-diameter end of the tapered tube 72, one end of the first torsion spring 71 is fixed to the tapered tube 72, the other end of the first torsion spring is fixed to the pre-tightening adjusting shaft 6, the tapered tube 72 is clamped to the inner wall of the winding drum 1, and the tapered tube 72 can rotate together with the winding drum 1. Thus, when the roller shutter 2 rotates the winding drum 1, the tapered tube 72 at one end of the first torsion spring 71 rotates, and the pretension adjusting shaft 6 at the other end of the first torsion spring 71 is stationary, so that the first torsion spring 71 accumulates torsion force.
The winding drum is characterized in that a guide shaft 11 is arranged in the winding drum 1 and coaxially arranged with the pre-tightening adjusting shaft 6, one end, far away from the pre-tightening adjusting shaft 6, of the guide shaft 11 is provided with an adapter 12 rotatably connected with the winding drum mounting seat 5, a pressure spring 13 is sleeved outside the guide shaft 11, a large-diameter end of the conical tube 72 is provided with a limiting groove, and the pressure spring 13 abuts between the groove bottom of the limiting groove and the adapter 12. The compression spring 13 allows the first torsion spring 71 to deform to a certain extent during the process of torque accumulation and torque release, and also has a certain positioning effect on the tapered tube 72.
With reference to fig. 5, the driving component 8 of this embodiment is a driving gear, the reel mounting seat 5 is further provided with a stopping component 9, the stopping component 9 includes a second torsion spring 91 and a blocking arm 92, the blocking arm 92 is provided with limiting teeth 921 and 922 matched with the driving gear, and the second torsion spring 91 is supported between the blocking arm 92 and the reel mounting seat 5. The stopper arm 92 and the stopper teeth 921, 922 on the stopper arm can keep the preload adjusting shaft 6 stationary when the spool 1 rotates, and help the first torsion spring 71 to accumulate the torsion force.
One side of the blocking arm 92 deviating from the limiting teeth 921 and 922 is provided with a limiting groove matched with the second torsion spring 91, so that the second torsion spring 91 is always tensioned and supported on one side of the blocking arm 92, and the blocking arm 92 can prevent the driving gear and the pre-tightening adjusting shaft 6 from rotating when no external force acts on the blocking arm.
In order to facilitate manual adjustment, the driving gear of the present embodiment specifically includes a driving gear 81 and driven gears 821 and 822, the driven gears 821 and 822 are fixed to the pretension adjusting shaft 6, and the driven gear 82 is engaged with the driving gear 81; the blocking arm 92 is provided with a first limit tooth 921 adapted to the driving gear 81, and a second limit tooth 922 adapted to the driven gear 82.
The driven gears 821, 822 preferably include a first driven gear 821 and a second driven gear 822, the first driven gear 821 is fixed to the preload adjusting shaft 6 and engaged with the driving gear 81, the second driven gear 822 is coaxially and fixedly disposed with the first driven gear 821, a base diameter of the second driven gear 822 is smaller than a base diameter of the first driven gear 821, and the second driven gear 822 is engaged with the second limit tooth 922. The first driven gear 821 and the driving gear 81 are preferably spur gears, and the second driven gear 822 is preferably a helical gear.
In addition, the driven gear 82 may also be a bevel gear, a large diameter end of the bevel gear is engaged with the driving gear 81, and a small diameter end of the bevel gear is engaged with the second limiting tooth 922.
In this embodiment, a first magnetic attraction member 31 is disposed at the bottom of the sliding rod 3, a roller shutter in-place section 10 is disposed at one end of the guide rail 4 away from the roller mounting seat 5, and a second magnetic attraction member 102 attracted to the first magnetic attraction member 31 is disposed on the roller shutter in-place section 10. When the slide bar 3 moves to the point where the first magnetic attracting member 31 contacts the second magnetic attracting member 102, the roller blind is completely opened. When the external force overcomes the magnetic force between the first magnetic attraction piece 31 and the second magnetic attraction piece 102, the roller blind 2 is rewound outside the winding drum 1 under the action of the torsion force accumulated by the first torsion spring 71, so that the roller blind 2 is automatically retracted.
While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A sliding roller shutter is characterized by comprising a roller, a roller shutter, a sliding rod, a guide rail and a roller mounting seat, wherein the end part of the roller is rotatably connected with the roller mounting seat, the sliding rod and the roller are arranged in parallel, one end of the roller shutter is fixed with the sliding rod, the other end of the roller shutter is wound outside the roller, the guide rail is oppositely arranged on two sides of the roller, and two ends of the sliding rod are respectively in sliding contact with the guide rail;
the winding drum is characterized in that a pre-tightening adjusting shaft and a torsion spring pipe are arranged in the winding drum, the torsion spring pipe is sleeved outside the pre-tightening adjusting shaft, one end of the torsion spring pipe is fixed with the pre-tightening adjusting shaft, the other end of the torsion spring pipe is connected with the winding drum, a driving part connected with the pre-tightening adjusting shaft is arranged in the winding drum mounting seat, and the driving part is used for driving the pre-tightening adjusting shaft to rotate and lift the elasticity of the torsion spring pipe.
2. The sliding roller shutter according to claim 1, wherein the torsion spring tube comprises a first torsion spring and a tapered tube, the first torsion spring is sleeved on the small diameter end of the tapered tube, one end of the first torsion spring is fixed with the tapered tube, the other end of the first torsion spring is fixed with the pre-tightening adjusting shaft, the tapered tube is clamped with the inner wall of the winding drum, and the tapered tube can rotate together with the winding drum.
3. The sliding blind of claim 1 or 2 wherein said drive member is a drive gear, and said mounting seat of said winding drum further comprises a stop member, said stop member comprises a second torsion spring and a stop arm, said stop arm is provided with a limit tooth adapted to said drive gear, and said second torsion spring is stretched between said stop arm and said mounting seat of said winding drum.
4. The sliding roller shutter according to claim 3, wherein said drive gear comprises a drive gear and a driven gear, said driven gear being fixed to said pretension adjustment shaft and said driven gear being in meshing engagement with said drive gear;
the blocking arm is provided with a first limiting tooth matched with the driving gear and a second limiting tooth matched with the driven gear.
5. The sliding roller shutter according to claim 4, wherein the driven gear comprises a first driven gear and a second driven gear, the first driven gear is fixed to the pretension adjusting shaft and is engaged with the driving gear, the second driven gear is fixed to the first driven gear coaxially, a base circle diameter of the second driven gear is smaller than a base circle diameter of the first driven gear, and the second driven gear is engaged with the second limit tooth.
6. The sliding roller shutter according to claim 5, wherein said first driven gear and said drive gear are spur gears and said second driven gear is a helical gear.
7. The sliding blind of claim 3 wherein the side of the arm facing away from the stop tooth is provided with a stop slot adapted to the second torsion spring.
8. The sliding blind of claim 4 wherein said driven gear is a bevel gear, said bevel gear having a large diameter end in meshing engagement with said drive gear and a small diameter end in meshing engagement with said second limit teeth.
9. The sliding roller shutter according to claim 2, wherein a guide shaft is provided in the winding drum and is coaxial with the pre-tightening adjusting shaft, an adaptor rotatably connected with the winding drum mounting seat is provided at an end of the guide shaft away from the pre-tightening adjusting shaft, a pressure spring is provided outside the guide shaft, a limiting groove is provided at the large-diameter end of the tapered tube, and the pressure spring is stretched between the groove bottom of the limiting groove and the adaptor.
10. The sliding blind of claim 1 wherein the slide bar has a first magnetically attractive element at the bottom thereof, the guide rail has a blind-in-place section at an end thereof remote from the roller mount, and the blind-in-place section has a second magnetically attractive element for attracting the first magnetically attractive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444335.8U CN216381163U (en) | 2021-03-01 | 2021-03-01 | Sliding roller shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444335.8U CN216381163U (en) | 2021-03-01 | 2021-03-01 | Sliding roller shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381163U true CN216381163U (en) | 2022-04-26 |
Family
ID=81215537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120444335.8U Active CN216381163U (en) | 2021-03-01 | 2021-03-01 | Sliding roller shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236030A1 (en) * | 2022-06-07 | 2023-12-14 | 东莞市雷富溢窗饰科技有限公司 | Roller blind without operation rope |
-
2021
- 2021-03-01 CN CN202120444335.8U patent/CN216381163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236030A1 (en) * | 2022-06-07 | 2023-12-14 | 东莞市雷富溢窗饰科技有限公司 | Roller blind without operation rope |
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