CN110439452B

CN110439452B - Quick positioning structure of safety rolling shutter limiter

Info

Publication number: CN110439452B
Application number: CN201810414193.3A
Authority: CN
Inventors: 郑清祥
Original assignee: Chen Tian Co Ltd
Current assignee: Chen Tian Co Ltd
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2021-01-15
Anticipated expiration: 2038-05-03
Also published as: CN110439452A

Abstract

The invention relates to a quick positioning structure of a safety rolling shutter limiter, which is mainly characterized in that a shaft rail limiting group is correspondingly assembled at one end of a shaft lever of a curtain controller, the shaft rail limiting group comprises a screw rod piece, an elastic piece and an inner tube with a first tooth part on one end surface are arranged in the screw rod piece, the inner tube is limited in the screw rod piece by a touch piece, a limiting piece and an outer sleeve are screwed outside the screw rod piece, one end of the outer sleeve is correspondingly provided with a sealing cover, and second tooth parts corresponding to each other are arranged at the first tooth part of the sealing cover corresponding to the inner tube; therefore, when the curtain cloth pipe fitting is sleeved and assembled, the stop piece can be rotated to the curtain cloth folding position through the curtain cloth pipe fitting, the touch piece is released to enable the first tooth part of the inner pipe to be meshed with the positioning function of the second tooth part, and the assembling effect that the screw is free and the positioning can be automatically and quickly achieved is achieved.

Description

Quick positioning structure of safety rolling shutter limiter

Technical Field

The invention relates to a quick positioning structure of a safety roller shutter limiter, in particular to a safety roller shutter rod structure which can be quickly assembled and can position the rolling position of a curtain cloth.

Background

Generally, when assembling a curtain, a constructor needs to adjust an assembling position of a stroke path of an assembling controller according to the length of a curtain, for example, an improved positioning structure of a curtain rod of taiwan bulletin No. M454156, which comprises: the rear end of the pull rope controller is provided with a positioning screw rod in an extending way, and a positioning lug is arranged at the starting point of the front end of the positioning screw rod; the first lantern ring is sleeved on the positioning screw rod correspondingly in a threaded manner, and a first clamping part and a second clamping part are arranged on the periphery of the first lantern ring and are clamped with the positioning lug of the positioning screw rod correspondingly so as to enable the first lantern ring to serve as a winding end point of the curtain cloth; a positioning piece which is correspondingly sleeved on the positioning screw rod in a threaded manner and used for fixing the first lantern ring, wherein first clamping convex blocks which are mutually clamped are arranged at the position, corresponding to the second clamping part of the first lantern ring, on the positioning piece, and second clamping convex blocks are arranged at the periphery of the other side of the positioning piece; the second lantern ring is correspondingly threaded on the positioning screw rod, and a positioning clamping part is arranged at the position of the periphery corresponding to the second clamping convex block of the positioning piece and used for controlling and positioning the hanging length of the curtain cloth; the curtain rod is combined with the curtain cloth and correspondingly sleeved on the positioning piece and the periphery of the pull rope controller so as to control the curtain rod to rotate through the pull rope, and the positioning piece is displaced between the first sleeve ring and the second sleeve ring to form the rolling or vertical releasing of the curtain cloth.

The structure is that after the curtain rod is sleeved on the positioning piece and the rolling position of the first lantern ring is correspondingly set, the curtain rod is disassembled and then the first lantern ring is correspondingly screwed and positioned; then, the curtain rod is assembled on the positioning piece again, after the vertical position of the second sleeve ring is correspondingly set, the curtain rod is disassembled again to be correspondingly screwed to the second sleeve ring, and finally, the curtain rod is formally assembled.

Now, the inventor inherits abundant design development and actual manufacturing experience of the related industry for many years, researches and improves the existing structure, and provides a quick positioning structure of a safety roller shutter limiter so as to achieve the purpose of better practical value.

Disclosure of Invention

The invention aims to provide a quick positioning structure of a safety roller shutter limiter, in particular to a safety roller shutter rod structure which can be quickly assembled and can position the rolling position of a curtain.

In order to achieve the above object, the present invention provides a fast positioning structure of a safety roller shutter stopper, comprising:

the controller is provided with a shaft lever, and the shaft lever is provided with a hollow through hole;

an axis-orbit limiting group, which comprises a screw rod piece, an elastic piece and an inner tube, wherein one end face of the screw rod piece is provided with an axis hole for the shaft rod to be embedded and positioned, the other end face of the screw rod piece is internally provided with a first hollow containing chamber, one end face of the inner tube is provided with a central through hole, a second hollow containing chamber is formed inside the inner tube and communicated with the central through hole, the second hollow containing chamber is used for containing the elastic piece, and the inner tube is correspondingly embedded into the first hollow containing chamber of the screw rod piece and can linearly and movably displace in the first hollow containing chamber;

the triggering part is correspondingly positioned by penetrating through the central through hole of the inner pipe, the elastic part, the screw rod part and the hollow through hole of the controller, and is used for compressing the elastic part and limiting the inner pipe in the first hollow containing chamber of the screw rod part or releasing the inner pipe to perform linear displacement;

the outer sleeve is provided with an inner tooth ring at the inner diameter so as to be correspondingly screwed outside the screw rod piece, one end of the outer sleeve is provided with a sealing cover, a concave-convex opposite locking structure is arranged between the end face of the opposite sealing cover and the end face of the inner pipe, and the locking structure is used for mutually locking or separating the inner pipe and the sealing cover.

In the preferred embodiment of the quick positioning structure of the safety roller shutter stopper of the present invention, the shaft hole of the screw member is provided with an engaging groove, the engaging groove is communicated with the first hollow chamber, and the surface of the screw member at the end of the engaging groove is provided with a groove.

In a preferred embodiment of the fast positioning structure of the safety rolling shutter stopper of the present invention, the inner diameter of the outer sleeve is provided with an inner ring correspondingly screwed outside the screw rod, a second clamping block corresponding to the stopper is provided at one end of the outer sleeve, and a sealing cover is correspondingly provided at the other end of the outer sleeve, and a second tooth portion is provided on the end surface of the sealing cover corresponding to the inner tube, and the second tooth portion can be engaged with or disengaged from the first tooth portion.

The quick positioning structure of the safety rolling curtain limiter is characterized in that a shaft rail limiting group is correspondingly arranged at one end of a shaft rod of a curtain controller, the shaft rail limiting group comprises a screw rod piece, an elastic piece and an inner tube with a first tooth part on one end surface are arranged in the screw rod piece, the inner tube is limited in the screw rod piece by a touch piece, a positioning component, a limiting piece and an outer sleeve are screwed outside the screw rod piece, one end of the outer sleeve is correspondingly provided with a sealing cover, and second tooth parts which correspond to each other are arranged at the position of the sealing cover corresponding to the first tooth part of the inner tube; therefore, when the curtain cloth pipe fitting is sleeved and assembled, the curtain cloth can be positioned when the curtain cloth is unfolded by engaging the positioning ring with the outer toothed ring of the positioning assembly, and when the curtain cloth pipe fitting rotates to the curtain cloth folding position, the first toothed part of the inner pipe is meshed with the positioning function of the second toothed part by releasing the touch part, so that the assembly effect of automatic and quick positioning is achieved.

The invention also provides a rapid positioning structure of the safety roller shutter limiter, which comprises:

a controller provided with a shaft lever;

one end face of the screw rod piece is provided with a shaft hole for the shaft rod to be embedded and positioned, and the surface of the screw rod piece at the shaft hole end is provided with a groove;

the positioning assembly comprises an outer toothed ring and a positioning ring, a convex block is arranged at the position, corresponding to a groove of the screw rod piece, of the inner diameter of the outer toothed ring, the outer toothed ring is sleeved outside the screw rod piece and can movably move within the length distance of the groove, a toothed ring is arranged at one end of the inner diameter of the positioning ring, the toothed ring is correspondingly screwed with the screw rod piece, an inner toothed part is arranged at the position, corresponding to the outer toothed ring, of the inner diameter of the positioning ring, the inner toothed part and the outer toothed ring can be meshed with each other, and clamping teeth are arranged on the positioning ring, corresponding to the outer edge end face of the toothed ring;

the limiting part is arranged outside the screw rod part correspondingly in a threaded manner, the limiting part is positioned on one side of the positioning ring of the positioning assembly, a plurality of clamping blocks are arranged on the outer surface of the limiting part, the clamping blocks are correspondingly embedded and clamped with a group of curtain cloth pipe fittings for arranging the curtain cloth, a first clamping block is arranged at one end of the limiting part corresponding to the clamping teeth of the positioning ring, and the first clamping block is clamped with the clamping teeth.

In a preferred embodiment of the fast positioning structure of the safety rolling shutter stopper of the present invention, the other end of the limiting member is provided with a second clamping block.

From the above description, it can be seen that the system of the present invention has the following advantages compared with the prior art:

1. according to the rapid positioning structure of the safety roller shutter limiting stopper, the outer toothed ring of the positioning assembly can move to push the inner toothed part embedded and locked on the positioning ring, positioning can be achieved without the aid of screw locking, the vertical position of a roller shutter can be set simply and easily, and the effect of convenience in operation is achieved.

2. The quick positioning structure of the safety roller shutter limiting stopper has the advantages that the elastic part pushes the inner pipe to be meshed with the tooth part of the outer sleeve by releasing the mechanism of the touch part, the roller shutter can be directly rolled to the highest point through the roller shutter cloth to set the assembling position when the roller shutter is assembled, and the repeated disassembling, locking and adjusting by manpower are not needed.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1: the invention is a three-dimensional exploded view.

FIG. 2: the invention discloses an exploded schematic diagram of a controller shaft and a shaft rail limiting group end.

FIG. 3: an exploded view of the end of the outer casing of the present invention.

FIG. 4: the invention discloses a three-dimensional combined appearance schematic diagram.

FIG. 5: the invention discloses a first three-dimensional schematic diagram for setting the unfolding vertical position of a rolling curtain.

FIG. 6: the invention also discloses a three-dimensional schematic diagram for setting the unfolding vertical position of the rolling curtain.

FIG. 7: the invention sets up the rolling screen and spreads the position sectional view that puts vertically.

FIG. 8: the sectional view of the present invention for setting the rolling position of the roller shutter is schematically shown as a first (unreleased) view.

FIG. 9: the sectional view of the setting of the rolling position of the roller shutter of the invention is schematically shown in figure two (in release).

FIG. 10: the section view of the setting rolling position of the rolling curtain of the invention is a third schematic view (released).

FIG. 11: the sectional view of the rolling screen of the invention when being unfolded and hung is schematic.

FIG. 12: the sectional view of the roller shutter of the present invention in adjustment is schematically shown.

The reference numbers illustrate:

1 controller

11 axle rod

111 hollow through hole

112 embedded part

12 top-pulling elastic piece

13 Cross convex rib

2 axle rail spacing group

21 screw rod

210 embedded groove

211 axle hole

212 first hollow chamber

213 groove

214 convex conducting bar

22 resilient member

23 inner pipe

231 first tooth part

232 central through hole

233 second hollow chamber

234 track

3 touching parts

4 positioning assembly

41 external gear ring

411 convex block

42 positioning ring

420 dental ring

421 internal tooth part

422 latch

5 position limiting part

51 catch block

52 first latch

53 second latch

6 outer sleeve

60 clamping block

600 inner tooth ring

601 convex part

602 card slot

61 sealing cover

611 second tooth part

612 notch

613 hook

614 through hole

7 cord fabric pipe fitting

71 curtain groove

8 side frame

81 cross hole

9 ejector rod

Detailed Description

To make the technical content, the purpose and the efficacy achieved by the present invention more complete and clear, reference is now made to the following detailed description, taken in conjunction with the accompanying drawings and figures, in which:

first, referring to fig. 1 to 4, the present invention provides a three-dimensional exploded and assembled schematic view of a fast positioning structure of a safety rolling shutter stopper, which comprises:

the controller 1 is provided with a shaft lever 11, the shaft lever 11 is provided with a hollow through hole 111, and an embedded part 112 is arranged outside the shaft lever 11;

a shaft rail limiting set 2, including a screw member 21, an elastic member 22 and an inner tube 23, wherein one end surface of the screw member 21 is provided with a shaft hole 211, the shaft hole 211 is used for the shaft 11 to be embedded and positioned, further, a position of the shaft hole 211 corresponding to the embedding and clamping portion 112 is provided with an embedding and clamping groove 210 mutually embedded and positioned with the embedding and clamping portion 112, the other end surface of the screw member 21 is provided with a first hollow accommodating chamber 212 inwards, the embedding and clamping groove 210 is communicated with the first hollow accommodating chamber 212, the surface of the screw member 21 at the end of the embedding and clamping groove 210 is provided with a groove 213, one end surface of the inner tube 23 is provided with a first tooth portion 231 and a central through hole 232, a second hollow accommodating chamber 233 is formed inside the inner tube 23, the second hollow accommodating chamber 233 is communicated with the central through hole 232, the second hollow accommodating chamber 233 is used for accommodating the elastic member 22, and the inner tube 23 is correspondingly embedded into the first hollow accommodating chamber 212 of the screw member 21, and can linearly move in the first hollow accommodating chamber 212; a rail 234 is further axially disposed on the outer surface of the inner tube 23, and a convex guide bar 214 (shown in fig. 3) for linearly moving and displacing the inner tube 23 is disposed in the first hollow chamber 212 corresponding to the rail 234;

a triggering member 3 correspondingly passing through the central through hole 232 of the inner tube 23, the elastic member 22, the screw member 21 and the hollow through hole 111 of the controller 1 for positioning, wherein the triggering member 3 is used for compressing the elastic member 22 and limiting the inner tube 23 in the first hollow chamber 212 of the screw member 21 or releasing the inner tube 23 for linear displacement;

a positioning assembly 4, including an outer toothed ring 41 and a positioning ring 42, wherein a protrusion 411 is disposed at a position of an inner diameter of the outer toothed ring 41 corresponding to the groove 213 of the screw member 21, the outer toothed ring 41 is sleeved outside the screw member 21 and can move within a length distance of the groove 213, a toothed ring 420 is disposed at one end of the inner diameter of the positioning ring 42, the toothed ring 420 is screwed with the screw member 21, an inner tooth portion 421 capable of engaging with the outer toothed ring 41 is disposed at a position of the inner diameter of the positioning ring 42 corresponding to the outer toothed ring 41, and a latch 422 is disposed at an outer edge end face of the positioning ring 42 corresponding to the toothed ring 420;

a limiting member 5 correspondingly screwed outside the screw member 21 and located on one side of the positioning ring 42 of the positioning assembly 4, and having a plurality of engaging blocks 51 on the outer surface, and further having a first engaging block 52 engaged with the engaging tooth 422 at one end of the limiting member 5 corresponding to the engaging tooth 422 of the positioning ring 42, and a second engaging block 53 at the other end of the limiting member 5;

an outer sleeve 6, which is provided with an inner tooth ring 600 at an inner diameter to be correspondingly screwed outside the screw member 21, wherein a second fastening block 53 at one end of the outer sleeve 6 corresponding to the limiting member 5 is provided with a fastening block 60 fastened with the second fastening block 53, and the other end of the outer sleeve 6 is correspondingly provided with a sealing cover 61 or integrally formed with a sealing cover 61, the end surface of the sealing cover 61 corresponding to the inner tube 23 is provided with a second tooth portion 611, and the second tooth portion 611 can be engaged with or separated from the first tooth portion 231;

the curtain cloth pipe fitting 7 is provided with a group of curtain grooves 71 for arranging the curtain cloth, the curtain cloth pipe fitting 7 is sleeved outside the limiting piece 5, the curtain grooves 71 are concavely arranged in the inner diameter, namely the curtain grooves 71 are positioned in the curtain cloth pipe fitting 7, the groove openings of the curtain grooves 71 are arranged on the outer wall of the curtain cloth pipe fitting 7, and the curtain grooves 71 can be correspondingly embedded between two adjacent clamping blocks 51.

When the assembly is actually performed, please refer to fig. 1 to 11, before the controller 1 corresponds to the assembly axis-rail limiting group 2, the outer ring gear 41 of the positioning assembly 4 is sleeved on the screw member 21, and the protrusion 411 of the outer ring gear 41 is sleeved on the groove 213 of the screw member 21; then, the screw member 21 is assembled with the controller 1 correspondingly, that is, the shaft 11 is inserted into the shaft hole 211 of the screw member 21 correspondingly, in order to accurately assemble the two, an inserting part 112 is further disposed outside the shaft 11, the inserting part 112 is a polygonal block, and an inserting groove 210 (polygonal groove) is disposed at the position of the shaft hole 211 corresponding to the inserting part 112, and the inserting groove 210 and the inserting part 112 are mutually positioned, so that the inserting groove and the inserting groove can be mutually inserted and positioned (as shown in fig. 2). Then, the elastic member 22 and the inner tube 23 are correspondingly embedded in the first hollow accommodating chamber 212 of the screw member 21, the elastic member 22 is first placed in the second hollow accommodating chamber 233 of the inner tube 23, and then the inner tube 23 is embedded in the first hollow accommodating chamber 212 of the screw member 21, the outer surface of the inner tube 23 is axially provided with a rail 234, and a convex guide bar 214 (as shown in fig. 3) for linearly moving and displacing the inner tube 23 is arranged in the first hollow accommodating chamber 212 corresponding to the rail 234; meanwhile, the triggering member 3 is correspondingly positioned by passing through the central through hole 232 of the inner tube 23, the elastic member 22, the shaft hole 211 of the screw member 21, the embedded groove 210 and the hollow through hole 111 of the controller 1, and the triggering member 3 is utilized to compress the elastic member 22 and limit the inner tube 23 in the first hollow accommodating chamber 212 of the screw member 21; further, the triggering component 3 may be a rope, a rod …, etc., and the above-mentioned compression fixing manner can be achieved by knotting the rope, clamping a buckle ring on the rope, or clamping a fastener (C-shaped buckle, etc.) … on the rod, etc., but not limited to any manner (as shown in fig. 4 and 7).

Then, the positioning ring 42, the limiting member 5 and the outer sleeve 6 are respectively screwed into the exterior of the screw rod 21, and the outer end of the outer sleeve 6 is integrally formed with the sealing cover 61 or is correspondingly assembled with a sealing cover 61, in order to make the assembled sealing cover 61 stably positioned and not rotated, a plurality of notches 612 are specially arranged on the ring surface of the sealing cover 61, a hook 613 is arranged on the end surface of the second tooth portion 611, a convex portion 601 mutually engaged with the notches 612 is arranged on the outer sleeve 6 corresponding to the notches 612, and a slot 602 mutually engaged and positioned with the hook 613 is arranged corresponding to the hook 613, so that the sealing cover 61 is stably assembled and positioned at the end of the outer sleeve 6; as shown in fig. 4, it can be seen that the engaging block 60 of the outer sleeve 6 is linked with the second engaging block 53 of the limiting member 5, and the first engaging block 52 of the limiting member 5 is linked with the engaging tooth 422 of the engaging positioning ring 42.

Referring to fig. 5 to 11, when the assembly and operation of the curtain are adjusted to the position of unfolding, hanging, placing and furling, first, the positioning ring 42 is screwed into the screw member 21 toward the external gear ring 41, the positioning ring 42 engages the first latch 52 of the position-limiting member 5 through the latch 422, and the second latch 53 of the position-limiting member 5 engages the latch 60 of the external sleeve 6, so that the positioning ring 42 can be screwed in to rotate the position-limiting member 5 and the external sleeve 6 together (as shown in fig. 5); after the components are screwed into the place close to the outer toothed ring 41, the rolling curtain on the curtain pipe fitting 7 is correspondingly sleeved outside the limiting part 5 in an unfolded and vertically-placed state, at this time, if the space between two adjacent clamping blocks 51 of the limiting part 5 cannot be correspondingly embedded into the curtain groove 71 of the curtain pipe fitting 7, the limiting part 5 is slightly rotated, so that the two adjacent clamping blocks 51 of the limiting part 5 can be correspondingly embedded into two sides of the curtain groove 71 for positioning, when the limiting part 5 is slightly rotated, the outer sleeve 6 and the positioning ring 42 are also linked together, thus, when the curtain pipe fitting 7 unfolded and vertically-placed is sleeved and positioned, the outer toothed ring 41 is pushed, and the outer toothed ring 41 is displaced by using the lug 411 as a movable path corresponding to the groove 213 of the screw member 21, so that the outer toothed ring 41 is displaced and embedded into the space of the inner teeth 421 of the positioning ring 42 for mutual engagement; when the outer toothed ring 41 is engaged with the inner toothed portion 421 of the positioning ring 42, the positioning ring 42 is locked and fixed at the position, which is the end point (as shown in fig. 5 to 7) where the curtain tube 7 drives the limiting member 5 to rotate to the end point where the rolling curtain is unfolded and hung.

Referring to fig. 8 to 11, after the setting of the unfolding and hanging position of the roller blind is completed, the roller blind is wound up to rotate the limiting member 5 in the opposite direction, at this time, the limiting member 5 only drives the outer sleeve 6 to rotate without driving the positioning ring 42 (locked), and when the roller blind is folded up to a proper position, the triggering member can be released, and the above-mentioned triggering member 3 can be implemented by any method such as knotting the rope or clamping a buckle ring on the rope, or clamping a fastener (C-shaped buckle, etc.) … on the rod body, and cutting the rope knot (as shown in fig. 9) when released, or disassembling the buckle and the fastener to release the triggering member 3, and at this time, the elastic member 22 in the second hollow chamber 233 of the inner tube 23 is not compressed any more, and the elastic force returns the inner tube to be ejected out from the first hollow chamber 611 of the outer sleeve 21, so that the first tooth 231 at the end of the inner tube 23 and the second tooth portion of the cover 61 of the outer sleeve 6 are engaged with each other, the outer sleeve 6 is locked at the position which is the starting position after the rolling curtain is rolled up. However, the locking structure of the inner tube 23 and the outer sleeve 6 can be achieved by using any type of locking structure (mechanism) having any type of concave-convex opposite between the first tooth 231 and the second tooth 611, such as a concave portion, a convex portion …, and the like, in addition to the embodiment in which the first tooth 231 and the second tooth 611 are engaged with each other.

In addition, as shown in fig. 12, after the assembly of the rolling position of the roller blind is completed, the setting position is slightly deviated due to factors such as the reassembly of the bead chain disc, and the like, at this time, a through hole 614 is further provided on the end surface of the cover 61, the through hole 614 corresponds to the end surfaces of the first tooth 231 and the central through hole 232 of the inner tube 23, and a push rod 9 is further provided, the push rod 9 can correspondingly penetrate through the through hole 614 to push against the end surface of the inner tube 23, so as to prop open the first tooth 231 and the second tooth 611 which are engaged with each other, and immediately rotate the outer sleeve 6 to adjust the position of the roller blind, and the push rod 9 is withdrawn after the adjustment is completed, so that the first tooth 231 and the second tooth 611 are engaged with each other again to achieve the adjustment starting position.

Referring to fig. 7, after the setting of the position of the rolling shutter for unfolding, hanging and rolling is completed, the rolling shutter can be correspondingly installed on the side frame 8 for fixing the rolling shutter, a cross hole 81 is formed in the side frame 8, a cross rib 13 is formed at the end of the controller 1 corresponding to the cross hole 81, and the cross rib 13 and the cross hole 81 can be mutually embedded and assembled together; furthermore, because there is a slight gap difference between the side frame 8 and the entire width of the roller blind when assembling, a top-pulling elastic member 12 is disposed inside the controller 1, and the problem of the slight gap is solved by the function of the top-pulling elastic member 12 that can be compressed or elastically extended, so that the entire width of the roller blind can be stably positioned in the side frame 8.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention.

Claims

1. The utility model provides a quick location structure of safe roll of curtain stopper which characterized in that, the quick location structure of safe roll of curtain stopper contains:

the limiting piece is correspondingly screwed outside the screw rod piece, a plurality of clamping blocks are arranged on the outer surface of the limiting piece, the clamping blocks are correspondingly embedded and clamped with a group of curtain cloth pipe pieces provided with the rolling curtain cloth, and a second clamping block is arranged on one side end face of the limiting piece;

the outer sleeve is provided with an inner tooth ring at the inner diameter so as to be correspondingly screwed outside the screw rod part, is positioned on one side of the limiting part, is provided with a clamping block which can be meshed with each other at the position corresponding to the second clamping block, is provided with a sealing cover at one end of the outer sleeve, and is provided with a concave-convex opposite locking structure between the end surface of the opposite sealing cover and the end surface of the inner pipe, wherein the locking structure is used for mutually locking or separating the inner pipe and the sealing cover.

2. The quick positioning structure of a safety roller shutter stopper according to claim 1, wherein the locking structure comprises a first tooth portion provided on the end surface of the inner tube, and a second tooth portion provided at the first tooth portion of the end surface of the inner tube corresponding to the cap, the second tooth portion being capable of engaging with or disengaging from the first tooth portion.

3. The quick positioning structure of a safety rolling shutter stopper according to claim 1 or 2, wherein the cover is integrally formed with the outer sleeve.

4. The fast positioning structure of a safety roller shutter stopper according to claim 1 or 2, wherein the ring surface of the sealing cover is provided with a plurality of notches, the outer sleeve is provided with a protrusion corresponding to the notches, and the protrusion and the notches are engaged with each other.

5. The quick positioning structure of a safety rolling shutter stopper according to claim 2, wherein a hook is provided on an end surface of the second tooth portion of the cover, a slot is provided on a wall of the outer sleeve corresponding to the hook, and the slot and the hook are engaged with each other for positioning.

6. The quick positioning structure of a safety rolling shutter stopper according to claim 2, wherein the end face of the sealing cover is provided with a through hole corresponding to the end faces of the first tooth portion and the central through hole of the inner tube, and the quick positioning structure of a safety rolling shutter stopper is further provided with a push rod capable of passing through the through hole to push against the end face of the inner tube so as to push the first tooth portion and the second tooth portion out of engagement with each other.

7. The quick positioning structure of a safety roller shutter stopper according to claim 1 or 2, wherein a rail is axially provided on the outer surface of the inner tube, and a convex guide bar for the inner tube to linearly and movably displace is provided in the first hollow chamber corresponding to the rail.

8. The rapid positioning structure of a safety roller shutter stopper according to claim 7, wherein the triggering member is positioned by knotting a rope, or the rope is clamped by a buckle, or the rod is clamped by a fastener.

9. The fast positioning structure of a safety rolling shutter stop according to claim 1 or 2, wherein an embedding portion is provided outside the shaft of the controller, the embedding portion is a polygonal block, an embedding groove is provided at a position of the shaft hole of the screw corresponding to the embedding portion, the embedding groove and the embedding portion are embedded and positioned with each other, and the embedding groove communicates with the first hollow chamber.

10. The quick positioning structure of a safety rolling shutter stopper according to claim 9, wherein an urging elastic member is provided inside the controller.

11. The quick positioning structure of a safety rolling shutter stopper according to claim 10, wherein the controller is correspondingly assembled to a side frame, the side frame is provided with a cross hole, and the end of the controller is provided with a cross rib corresponding to the cross hole, and the cross rib can be mutually inserted and clamped with the cross hole.

12. The quick positioning structure of a safety rolling shutter stopper according to claim 1 or 2, wherein the surface of the screw member at the shaft hole end is provided with a groove;

the positioning assembly comprises an outer toothed ring and a positioning ring, a convex block is arranged at the position, corresponding to a groove of the screw rod piece, of the inner diameter of the outer toothed ring, the outer toothed ring is sleeved outside the screw rod piece and can movably move within the length distance of the groove, a toothed ring is arranged at one end of the inner diameter of the positioning ring, the toothed ring is correspondingly screwed with the screw rod piece, an inner toothed part is arranged at the position, corresponding to the outer toothed ring, of the inner diameter of the positioning ring, the inner toothed part and the outer toothed ring can be meshed with each other, and clamping teeth are arranged on the positioning ring, corresponding to the outer edge end face of the toothed ring; and

the locating part is located locating ring one side of locating component, and in the one end of locating part correspond the latch department of locating ring is equipped with first fixture block, first fixture block with the latch is each other block.

13. The fast positioning structure of a safety rolling shutter stopper according to claim 12, wherein an embedding portion is provided outside the shaft lever of the controller, the embedding portion is a polygonal block, an embedding groove is provided at a position of the shaft hole of the screw lever corresponding to the embedding portion, and the embedding groove and the embedding portion are mutually embedded and positioned.

14. The quick positioning structure of a safety rolling shutter stopper according to claim 13, wherein an urging elastic member is provided inside the controller.

15. The quick positioning structure of a safety rolling shutter stopper according to claim 14, wherein said controller is correspondingly assembled to a side frame, said side frame is provided with a cross hole, and said controller end is provided with a cross rib corresponding to said cross hole, said cross rib being capable of being engaged with said cross hole.