CN213418969U - Rolling curtain - Google Patents
Rolling curtain Download PDFInfo
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- CN213418969U CN213418969U CN202022006602.1U CN202022006602U CN213418969U CN 213418969 U CN213418969 U CN 213418969U CN 202022006602 U CN202022006602 U CN 202022006602U CN 213418969 U CN213418969 U CN 213418969U
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- reel
- winding drum
- baffles
- curtain
- tail plug
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Abstract
The utility model belongs to the outdoor equipment field, concretely relates to roll up curtain. It has solved the current not high problem of roll up curtain security. This roll up curtain, including the reel, the winding is provided with the cloth curtain on the reel, its characterized in that, be equipped with the direction dabber in the reel, the direction dabber rotates with the reel to be connected, and the cover is equipped with torsional spring and tail stopper in the direction dabber, the one end and the direction dabber of torsional spring link firmly, and the other end links to each other with the tail stopper, be equipped with between tail stopper and the reel and restrict the reel and for tail stopper pivoted limit structure, still be connected with down along the pole on the curtain cloth. The utility model discloses a folding and unfolding of curtain cloth does not need the rope to control, has promoted the security.
Description
Technical Field
The utility model belongs to the outdoor equipment field, concretely relates to roll up curtain.
Background
Some buildings need shading, a roller shutter is usually adopted, the roller shutter is widely used in the roller shutter world, is generally used in more office places, and is also widely used in household buildings in European and American countries, so that the roller shutter is simple, clear and popular. The roller shutters can be divided into horizontal roller shutters and vertical roller shutters according to the installation mode, and can be divided into manual roller shutters and electric roller shutters according to control. When the operation of the roller blind is manually controlled to be unwound and retracted, the roller blind is usually controlled by a cord or a wire provided at an end portion thereof. Because the rope or the line of the roller blind usually suspends one end of the bottom control, and the suspended position is usually equal to the bottom of the roller blind, people or animals can easily contact the rope or the line of the roller blind, and then the possibility that people or animals can be wound by the rope or the line and can not break away, even the people or the animals are tightened to cause life danger exists.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a roller shutter, which aims to solve the technical problems that: how to realize the cordless retraction or the extension of the roller shutter.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a roll up curtain, includes the reel, and the reel is gone up to roll up and is provided with the cloth curtain, its characterized in that, be equipped with the direction dabber in the reel, the direction dabber rotates with the reel to be connected, and the cover is equipped with torsional spring and tail stopper in the direction dabber, the one end and the direction dabber of torsional spring link firmly, and the other end links to each other with the tail stopper, be equipped with between tail stopper and the reel and restrict the reel and for tail stopper pivoted limit structure, still be connected with down along the pole on the curtain cloth.
The cloth curtain wound on the winding drum can drive the winding drum to rotate in the process of winding and unwinding, a limiting structure capable of limiting the relative rotation of the tail plug and the winding drum is arranged between the tail plug and the winding drum arranged in the winding drum, the tail plug can be driven to synchronously rotate when the winding drum rotates, one end of a torsion spring on a guide core shaft is fixedly connected with a core shaft, the other end of the torsion spring is connected with the tail plug, the torsion force of the torsion spring acts on the tail plug, the force of the torsion spring is transmitted to the winding drum through the limiting structure, the winding drum applies winding force to the cloth curtain, when the cloth curtain is pulled down and unwound, the winding drum and the tail plug are driven to synchronously rotate by the cloth curtain, the tail plug can act on the torsion spring to change the spacing of the spring coils of the torsion spring, and meanwhile; the gravity of the lower edge rod and the gravity of the cloth curtain to be unfolded are forces for unfolding the cloth curtain, the torsion spring acts on the winding drum to roll the cloth curtain, and the force for rolling the cloth curtain when the torsion spring acts on the winding drum in the initial state is equal to the force exerted by the lower edge rod on the cloth curtain to be unfolded; when the lower edge rod is pulled to expand the cloth curtain, the torsion spring acts on the winding drum to increase the force for rolling the cloth curtain, the expanded cloth curtain also has gravity, the gravity of the cloth curtain is also the force for expanding the cloth curtain, the force for expanding the cloth curtain generated by the gravity of the cloth curtain is equivalent to the force for rolling the cloth curtain increased by the torsion spring, the force for expanding the cloth curtain is equivalent to the force for rolling the cloth curtain under any position for rolling and expanding the cloth curtain, and the rope is not needed to control the rolling and expanding of the cloth curtain.
In the roller shutter, the limiting structure comprises a first baffle plate arranged on the tail plug, a second baffle plate abutting against the first baffle plate is further arranged on the inner wall of the winding drum, and the second baffle plate is axially arranged along the winding drum in the length direction. The torsion effect of torsional spring is on the tail plug, make the tail plug have axial pivoted power, and then make baffle one can be all the time lean on with baffle two, when the curtain cloth expandes to drive the reel and rotate, the tail plug can follow the synchronous rotation of reel, the tail plug rotates the spring coil interval that can make the torsional spring and changes, the length that the spring coil interval of torsional spring rotated then can lead to the torsional spring changes, the tail plug can remove along the axial of direction dabber this moment, because baffle two sets up along the axial of reel, so the axial displacement baffle one of tail plug and baffle two all can keep leaning on, make under the optional position of curtain cloth roll-up, the power that the curtain cloth expanded and the power homoenergetic of curtain cloth roll balance each other, realize that the curtain is wireless to pack up or expand.
In the roller shutter, the inner wall of the winding drum is provided with two second baffle plates, the inner side edges of the two second baffle plates are connected through a connecting plate, the length direction of the connecting plate is also arranged along the axial direction of the winding drum, the two second baffle plates, the connecting plate and the inner wall of the winding drum form a containing cavity for containing the cloth curtain, and the winding drum is provided with an caulking groove communicated with the containing cavity along the axial direction of the winding drum. The top end of the cloth curtain is plugged into the containing cavity formed by the two second baffle plates, the connecting plate and the inner wall of the winding drum through the caulking groove, when the cloth curtain is filled with the containing cavity, the cloth curtain is tightly matched with the cloth curtain and the containing cavity, the winding drum can be driven to rotate by pulling the cloth curtain, and other fixing structures can not be adopted between the cloth curtain and the winding drum.
In the roller shutter, the tail plug is provided with the first two baffle plates which are respectively positioned at two sides of the caulking groove and respectively abutted against the second two baffle plates. The first two baffle plates are abutted against the second two baffle plates respectively, so that a stress structure between the tail plug and the winding drum is increased, and the stress between the tail plug and the winding drum is more reliable.
In foretell roller shutter, limit structure includes that the tail stopper is equipped with two limiting plates three, forms the spacing groove between two limiting plates three, be equipped with two baffles four that are located the spacing inslot on the inner wall of reel, two baffles four lean on with two baffles three-phase respectively, and the axial setting of reel is followed to the length direction of two baffles four. The torsion action of torsional spring is on the tail plug, make the tail plug have axial pivoted power, and then make baffle three can be all the time lean on with baffle four, when the curtain cloth expandes to drive the reel and rotate, the tail plug can follow the synchronous rotation of reel, the tail plug rotates the spring coil interval that can make the torsional spring and change, the length that the spring coil interval of torsional spring rotated then can lead to the torsional spring changes, the tail plug can remove along the axial of direction dabber this moment, because baffle four sets up along the axial of reel, so the axial displacement baffle three of tail plug and baffle four all can keep leaning on, cooperation baffle one and baffle two between leaning on, make the atress between tail plug and the reel more reliable, make under the optional position of curtain cloth exhibition, the power that the curtain cloth expanded and the rolling power homoenergetic of curtain cloth can counterbalance each other, realize that the curtain is wireless to roll up or expand.
In the roller shutter, the tail plug is provided with a clamping groove, and the torsion arm at one end of the torsion spring is clamped in the clamping groove. The torsion arm of torsional spring sets up in the joint inslot of tail stopper, makes the torsion of torsional spring can transmit the tail stopper on, the tail stopper is special with torsion to the reel again.
In the roller shutter, the peripheral wall of the guide core shaft is connected with a screw, and the torsion arm at the other end of the torsion spring is connected with the screw. The torsion arm of the torsion spring is fixed on the guide mandrel through the screw, so that the torsion spring cannot rotate relative to the mandrel, and the distance between the spring coils of the torsion spring can be increased under the rotation of the tail plug.
Compared with the prior art, the roller shutter has the following advantages:
1. the cloth curtain can be hovered at any position when being unfolded and pulled down.
2. The rolling curtain does not need a rope to control the folding and unfolding of the cloth curtain, and the safety is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present rolling shutter.
Fig. 2 is a sectional structure schematic view of the rolling shutter.
Fig. 3 is a schematic view of the matching structure between the tail plug and the winding drum.
In the figure, 1, reel; 1a, a connecting plate; 2. cloth curtain; 3. a guiding mandrel; 4. a torsion spring; 5. a tail plug; 5a, a clamping groove; 6. a limiting structure; 6a, a first baffle; 6b, a second baffle plate; 6c, a baffle III; 6d, a baffle plate IV; 7. a lower edge bar; 8. a cavity; 9. caulking grooves; 10. a screw; 11. a limiting groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 to 3, the rolling blind includes a winding drum 1 and a cloth curtain 2, wherein the top edge of the cloth curtain 2 is connected to the winding drum 1, and the bottom edge of the cloth curtain 2 is connected to a lower edge rod 7. Be equipped with direction dabber 3 in the reel 1, direction dabber 3 is fixed to be set up, is connected through the bearing between direction dabber 3 and the reel 1, makes reel 1 can lead dabber 3 to rotate relatively.
As shown in fig. 1, the guiding core shaft 3 is sleeved with a torsion spring 4 and a tail plug 5, the tail plug 5 is provided with a clamping groove 5a, and a torsion arm at one end of the torsion spring 4 is clamped in the clamping groove 5 a. The other end of the torsion spring 4 is fixedly connected with the guide mandrel 3 through a screw 10. Be equipped with between tail plug 5 and the reel 1 and can restrict reel 1 and for the pivoted limit structure 6 of tail plug 5, through limit structure 6's setting, when reel 1 takes place to rotate, tail plug 5 can follow reel 1 and rotate together.
The cloth curtain 2 wound on the winding drum 1 can drive the winding drum 1 to rotate in the process of winding and unwinding, a limiting structure 6 capable of limiting the relative rotation between the tail plug 5 arranged in the winding drum 1 and the winding drum 1 is arranged between the tail plug 5 and the winding drum 1, when the winding drum 1 rotates, the tail plug 5 can be driven to synchronously rotate, because one end of a torsion spring 4 on a guide mandrel 3 is fixedly connected with the mandrel, the other end of the torsion spring 4 is connected with the tail plug 5, the torsion force of the torsion spring 4 acts on the tail plug 5, the force of the torsion spring 4 is transmitted to the winding drum 1 through the limiting structure 6, the winding drum 1 applies the winding force to the cloth curtain 2, when the cloth curtain 2 is pulled downwards and unwound, the cloth curtain 2 drives the winding drum 1 and the tail plug 5 to synchronously rotate, the tail plug 5 acts on the torsion spring 4 to change the distance between the spring coils of the torsion spring 4, and simultaneously the torsion force of the torsion spring; the gravity of the lower edge rod 7 and the gravity of the cloth curtain 2 are forces for unfolding the cloth curtain 2, the torsion spring 4 acts on the winding drum 1 and is a force for winding the cloth curtain 2, and the force for winding the cloth curtain 2 by the torsion spring 4 acting on the winding drum 1 in the initial state is equal to the force exerted by the lower edge rod 7 on the cloth curtain 2 for unfolding; when the lower edge rod 7 is pulled to expand the cloth curtain 2, the torsion spring 4 acts on the winding drum 1 to increase the force for winding the cloth curtain 2, the expanded cloth curtain 2 also has gravity, the gravity of the cloth curtain 2 is the force for expanding the cloth curtain 2, the force for expanding the cloth curtain 2 generated by the gravity of the cloth curtain 2 is equivalent to the force for winding the cloth curtain 2 increased by the torsion spring 4, the force for expanding the cloth curtain 2 is equivalent to the force for winding the cloth curtain 2 under any position for folding and unfolding the cloth curtain 2, and the folding and unfolding of the cloth curtain 2 are not controlled by a rope.
As shown in fig. 2 and 3, the limiting structure 6 includes two first baffles 6a disposed on the tail plug 5, and two second baffles 6b disposed on the inner wall of the winding drum 1. The inner sides of the two baffle plates 6b are connected through a connecting plate 1a, the connecting plate 1a is also arranged along the axial direction of the winding drum 1, the two baffle plates 6b, the connecting plate 1a and the inner wall of the winding drum 1 form a containing cavity 8 for containing the cloth curtain 2, and the winding drum 1 is provided with an embedded groove 9 communicated with the containing cavity 8 along the axial direction of the winding drum. The top of cloth curtain 2 is filled in and is held the chamber 8 by two baffle two 6b, connecting plate 1a and 1 inner wall of reel formation through caulking groove 9, and produce the tight fit after holding chamber 8 with cloth curtain 2 and holding between the chamber 8 when cloth curtain 2 is filled fully, pulling cloth curtain 2 can drive reel 1 and rotate, and can not adopt other fixed knot to construct between cloth curtain 2 and the reel 1. The two first baffle plates 6a are respectively positioned at two sides of the caulking groove 9 and are respectively abutted against the plate surfaces of the two second baffle plates 6b, the torsion force of the torsion spring 4 acts on the tail plug 5, so that the tail plug 5 has axial rotating force, and further the first baffle plates 6a can be always abutted against the second baffle plates 6b, when the cloth curtain 2 is unfolded to drive the winding drum 1 to rotate, the tail plug 5 can synchronously rotate along the winding drum 1, the rotation of the tail plug 5 can change the distance between the spring coils of the torsion spring 4, the rotation of the distance between the spring coils of the torsion spring 4 can lead to the change of the length of the torsion spring 4, at the moment, the tail plug 5 can move along the axial direction of the guide mandrel 3, and as the second baffle plates 6b are arranged along the axial direction of the winding drum 1, the first axially moving baffle plates 6a and the second baffle plates 6b of the tail plug 5 can be kept abutted against, so that the unfolding force of the cloth curtain 2 and the rolling force of the cloth curtain, the rolling curtain can be folded or unfolded without ropes.
The roller shutter further comprises a shell, the guide mandrel 3 is fixedly connected with the shell, the shell is fixedly connected to the support or the window frame, and the guide mandrel 3 cannot rotate.
Example two
The present embodiment is substantially the same as the above-mentioned embodiments, and the difference is that, as shown in fig. 2 and fig. 3, the limiting structure 6 in the present embodiment further includes two third baffle plates 6c disposed on the tail plug 5, a limiting groove 11 is formed between the two third baffle plates 6c, two fourth baffle plates 6d disposed in the limiting groove 11 are disposed on the inner wall of the winding drum 1, the two fourth baffle plates 6d respectively abut against groove walls on two sides of the limiting groove 11, and the two fourth baffle plates 6d are disposed along the axial direction of the winding drum 1. The torsion force of the torsion spring 4 acts on the tail plug 5, so that the tail plug 5 has axial rotation force, further the baffle plate three 6c can be always abutted against the baffle plate four 6d, when the cloth curtain 2 is unfolded to drive the winding drum 1 to rotate, the tail plug 5 can synchronously rotate along the winding drum 1, the distance between the spring coils of the torsion spring 4 can be changed by the rotation of the tail plug 5, the length of the torsion spring 4 can be changed by the rotation of the spring coil distance of the torsion spring 4, at the moment, the tail plug 5 can move along the axial direction of the guide mandrel 3, because the baffle plate four 6d is arranged along the axial direction of the winding drum 1, the axially moving baffle plate three 6c and the baffle plate four 6d of the tail plug 5 can be kept abutted against each other by matching with the abutment between the baffle plate one 6a and the baffle plate two 6b, the stress between the tail plug 5 and the winding drum 1 is more reliable, the cloth curtain 2 can be folded and unfolded at any position, the unfolding force of the cloth curtain 2 and, the rolling curtain can be folded or unfolded without ropes.
EXAMPLE III
The present embodiment is substantially the same as the first embodiment, and the difference is that in the present embodiment, the limiting structure 6 includes a sliding groove formed on the inner wall of the winding drum 1, a guiding post located in the sliding groove is formed on the tail plug 5, the guiding post is attached to the groove wall of the sliding groove, and the rotation of the winding drum 1 acts on the guiding post, so that the tail plug 5 and the winding drum 1 rotate simultaneously.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a roll up curtain, includes reel (1), and the last book of reel (1) is provided with cloth curtain (2), its characterized in that, be equipped with direction dabber (3) in reel (1), direction dabber (3) rotate with reel (1) to be connected, and the cover is equipped with torsional spring (4) and tail stopper (5) on direction dabber (3), the one end and the direction dabber (3) of torsional spring (4) link firmly, and the other end links to each other with tail stopper (5), be equipped with between tail stopper (5) and reel (1) and restrict reel (1) and for tail stopper (5) pivoted limit structure (6), still be connected with down along pole (7) on the curtain cloth.
2. The roller shutter as claimed in claim 1, characterized in that the limiting structure (6) comprises a first baffle plate (6a) arranged on the tail plug (5), a second baffle plate (6b) abutting against the first baffle plate (6a) is further arranged on the inner wall of the roller (1), and the length direction of the second baffle plate (6b) is arranged along the axial direction of the roller (1).
3. The roller shutter as claimed in claim 2, characterized in that two second baffles (6b) are arranged on the inner wall of the winding drum (1), the inner side edges of the two second baffles (6b) are connected through a connecting plate (1a), the connecting plate (1a) is also arranged along the axial direction of the winding drum (1), the two second baffles (6b), the connecting plate (1a) and the inner wall of the winding drum (1) form a cavity (8) for accommodating the cloth curtain (2), and the winding drum (1) is provided with an embedded groove (9) communicated with the cavity (8) along the axial direction of the winding drum.
4. The shutter according to claim 3, characterized in that the end plug (5) is provided with two first baffles (6a), the two first baffles (6a) being respectively located on both sides of the caulking groove (9) and respectively abutting against the two second baffles (6 b).
5. The roller shutter according to claim 1 or 2 or 3 or 4, characterized in that the limiting structure (6) comprises a tail plug (5) provided with two third baffles (6c), a limiting groove (11) is formed between the two third baffles (6c), the inner wall of the winding drum (1) is provided with two fourth baffles (6d) positioned in the limiting groove (11), the two fourth baffles (6d) are respectively abutted against the two third baffles (6c), and the length direction of the two fourth baffles (6d) is arranged along the axial direction of the winding drum (1).
6. The roller shutter as claimed in claim 1, characterized in that the tail plug (5) is provided with a clamping groove (5a), and the torsion arm at one end of the torsion spring (4) is clamped in the clamping groove (5 a).
7. The blind according to claim 6, characterized in that a screw (10) is attached to the outer peripheral wall of the guiding spindle (3), and a torsion arm at the other end of the torsion spring (4) is connected to the screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022006602.1U CN213418969U (en) | 2020-09-14 | 2020-09-14 | Rolling curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022006602.1U CN213418969U (en) | 2020-09-14 | 2020-09-14 | Rolling curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213418969U true CN213418969U (en) | 2021-06-11 |
Family
ID=76261667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022006602.1U Active CN213418969U (en) | 2020-09-14 | 2020-09-14 | Rolling curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213418969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113439911A (en) * | 2021-07-21 | 2021-09-28 | 高梵(浙江)信息技术有限公司 | Seamless zipper structure of down garment and production method |
-
2020
- 2020-09-14 CN CN202022006602.1U patent/CN213418969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113439911A (en) * | 2021-07-21 | 2021-09-28 | 高梵(浙江)信息技术有限公司 | Seamless zipper structure of down garment and production method |
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