Split roller shutter cover box profile and cover

By designing a split roller shutter cover profile, and utilizing female and male fasteners to achieve quick assembly and disassembly, the problem of needing to fix with screws in existing technologies is solved, reducing procedures and costs, and increasing the decorative effect.

CN224379738UActive Publication Date: 2026-06-19钟锐全

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
钟锐全
Filing Date
2025-01-06
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The existing split roller shutter cover box profile is not split at the front end, which requires screw holes on the inner wall of the front cover or bottom cover plate for fixing. Screws are required during disassembly and assembly, which increases the process and cost.

Method used

The design features a modular roller shutter cover profile, including a rear cover, top cover, front cover, and bottom cover, connected by beveled walls. It utilizes female and male fasteners for quick assembly and disassembly, reducing the use of screws.

Benefits of technology

It enables quick assembly and disassembly of the roller shutter cover box, reduces the number of times screws are used, lowers the process and cost, and enhances the decorative effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224379738U_ABST
    Figure CN224379738U_ABST
Patent Text Reader

Abstract

The split roller shutter cover box section and cover belong to the field of roller shutter, solve the installation and fixation of split roller shutter cover box with one less screw, and quickly disassemble and assemble the split roller shutter cover box, comprising: the cross section of the integrated front cover plate and bottom cover plate is arc-shaped, the top end of the front cover plate is a female joint part composed of rear upper arm buckle, rear upper arm, and upper support point joint structure, and the inner lower part of the bottom cover plate is a male joint part composed of front lower arm buckle groove; the rear cover plate is integrated with the top cover plate, the front end of the top cover plate is a male joint part composed of lower support point joint handle, lower support point joint, clamping groove vertical wall, clamping groove top wall, and lower edge, and the rear upper arm buckle groove formed by the top cover plate is a female joint part; the cover on both sides of the roller shaft is provided with a horizontal front lower arm buckle; the lower support point joint supports the upper support point joint, the rear upper arm buckle groove at the front end of the top cover plate buckles the rear upper arm buckle, and the front lower arm buckle groove buckles the horizontal front lower arm buckle of the two half covers.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of curtain roller blinds, and in particular relates to cover boxes. Background Technology

[0002] The existing split roller shutter cover profiles are split at the front of the top cover, not at the front end, and are not joined flatly together. This does not form a forward-sloping fulcrum, so screw holes for connecting the two side covers are required on the inner wall of the front or bottom cover, which serves as a decorative element. For front-curved covers, screws are needed for disassembly and assembly, increasing the process and cost, and making it inconvenient and slow. The covers are divided into head covers and tail covers. The head cover has a split iron tongue inside the base plate to install the head, and there is a horizontal edging on the front upper part of the base plate that covers the head. Below the horizontal edging is the pull bead outlet. The tail cover has a split iron tongue inside the base plate to install the tail. Summary of the Invention

[0003] This utility model discloses a split roller blind cover box profile and a cover, providing a split arc-shaped roller blind cover box profile and corresponding covers on both sides, which eliminates the need for screws to install and fix the split roller blind front cover box, and allows for quick assembly and disassembly of the split roller blind cover box. The technical solution is as follows.

[0004] The split roller shutter cover profile includes a rear cover plate, a top cover plate, a front cover plate, and a bottom cover plate. The rear cover plate is connected to the top cover plate via a sloping wall. The rear cover plate is perpendicular to the top cover plate. The top cover plate has a mounting groove on its top. The inner walls of the rear and top covers have screw holes for installing the cover. The rear and top covers are integral, as are the front and bottom covers. The cross-section of the integral front and bottom covers is arc-shaped. The front end of the top cover plate and the top end of the front cover plate are separated at their intersection. The front end of the top cover plate has a female fastening part that slopes downwards, while the top end of the arc-shaped integral front and bottom covers has a male fastening part that slopes upwards. The female fastening part consists of a lower support joint formed by a lower sloping section at the front end of the top cover plate, and a lower support joint formed by a further lower sloping section at the front end of the support joint. The top cover plate has a mounting groove at its front end. A section of the vertical wall extends outward to form a slot top wall. A section of the front bottom of the slot top wall extends downward to form a lower edging. The slot top wall, the slot top wall, and the lower edging form a rear upper lever arm buckle groove. The rear upper lever arm buckle groove, the lower fulcrum joint handle, and the lower fulcrum joint constitute the female fastening part. The female fastening part is formed by thickening and protruding a section of the inner wall at the top of the arc-shaped front cover plate to form an upper fulcrum joint. The upper fulcrum joint is parallel to the lower fulcrum joint. A section of the upper fulcrum joint extends upward at a slant to form a rear upper lever arm. The rear upper lever arm is parallel to the lower fulcrum joint handle. A section of the rear upper lever arm extends vertically upward to form a rear upper lever arm buckle. A protruding upper edging is provided at the connection between the upper fulcrum joint and the rear upper lever arm. The rear upper lever arm, the rear upper lever arm buckle, and the upper edging constitute the female fastening part. A front lower lever arm buckle groove is provided on the lower front inner wall of the arc-shaped integrated front cover plate and the bottom cover plate.

[0005] The top cover plate has screw holes for mounting the cover on its front inner wall, and the rear cover plate has screw holes for mounting the cover on its bottom inner wall. The rear cover plate has a slot for the roller shutter tail on its upper inner wall.

[0006] The cover includes a substrate. The inner wall of the substrate has a rear baffle protrusion from top to bottom. The rear baffle protrusion is retracted by one rear cover plate wall thickness. A front baffle is provided inside the substrate. An insert block with an insertion slot is provided on the inner top of the substrate. The insert block and the inner wall of the substrate form a separate insert tongue slot. The upper front of the substrate has a horizontal edging. The pull bead outlet is below the horizontal edging. The shape of the substrate from the rear baffle protrusion forward corresponds to the shape of the separate roller shutter box profile. The shape of the horizontal edging from top to bottom corresponds to the shape of the sub-fastening part of the arc-shaped integrated front cover plate and bottom cover plate to the front lower force arm fastening groove. A horizontal front lower force arm fastener is provided at the point where the horizontal edging retracts from the bottom to the top by one arc wall thickness.

[0007] The outer side of the substrate of the head cover is a flange recessed bottom, and the inner front edge of the flange recessed bottom is provided with an insertion hole. The outer middle of the substrate is provided with a raised ring. The inner front edge of the split decorative cover is provided with a pin, and the inner middle of the split decorative cover is provided with a raised insertion ring. The outer diameter of the raised insertion ring corresponds to the inner diameter of the raised ring. The pin is inserted into the insertion hole, and the split decorative cover covers the flange recessed bottom.

[0008] The tail cover includes a base plate. The inner wall of the rear side of the base plate has a rear stop protrusion from top to bottom. The rear stop protrusion is retracted by one rear cover plate wall thickness. A front stop block is provided inside the base plate. An insert block with an insertion slot is provided on the inner top of the base plate. The insert block and the inner wall of the base plate form a separate insert tongue slot. The shape of the base plate from the rear stop protrusion forward corresponds to the shape of the separate roller shutter box profile. A horizontally protruding front lower force arm buckle is provided at the corresponding horizontally protruding edge retracted by one arc wall thickness.

[0009] The outer side of the base plate of the tail cover is a flange recessed bottom, and the inner front edge of the flange recessed bottom is provided with an insertion hole. The outer middle part of the base plate is provided with a raised ring. The inner front edge of the split decorative cover is provided with a pin, and the inner middle part of the split decorative cover is provided with a raised insertion ring. The outer diameter of the raised insertion ring corresponds to the inner diameter of the raised ring. The pin is inserted into the insertion hole, and the split decorative cover covers the flange recessed bottom.

[0010] Beneficial effects: The split, arc-shaped roller shutter box profile allows for a downward-sloping, forward-facing lower fulcrum section and a rear upper lever arm latch at the front of the top cover. The integrated front and bottom covers have arc-shaped cross-sections. The top of the front cover forms an upper fulcrum section, a rear upper lever arm, and a rear upper lever arm latch. The inner wall of the bottom cover has a front lower lever arm latch groove, and the two side covers have horizontally extending front lower lever arm latches. Connecting the covers, rear cover, and top cover allows for easy assembly and disassembly using leverage. The rear upper lever arm latch engages with the rear lever arm latch groove at the front of the top cover, pressing the bottom cover against the horizontally extending lever arm latch of the cover. The front lower lever arm latch groove then engages with the horizontally extending lever arm latch. This reduces the need for screws, decreases processing steps and costs, and facilitates quick and easy assembly and disassembly. Leverage allows for the splitting of the arc-shaped box at the front of the top cover. The split decorative cover adds a variety of textures and perfectly covers the screw positions. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of an explosion of a curved, split roller shutter enclosure.

[0012] Figure 2 This is a schematic diagram of the front structure of the split roller shutter cover profile;

[0013] Figure 3 This is a schematic diagram of the front structure of the integrated rear cover and top cover.

[0014] Figure 4 This is a schematic diagram of the front structure of the integrated arc-shaped front cover and bottom cover;

[0015] Figure 5 This is a schematic diagram of the internal structure of the head cap;

[0016] Figure 6 This is a schematic diagram of the external structure of the head cap;

[0017] Figure 7 This is a schematic diagram of the internal structure of the tail cap;

[0018] Figure 8 This is a schematic diagram of the external structure of the tail cap. Detailed Implementation

[0019] The present invention will be further described in conjunction with the accompanying drawings. Explanation of the reference numerals:

[0020] Cover profile 1, rear cover plate 11, top cover plate 12, front cover plate 13, bottom cover plate 14, fastening part 15; screw hole position 111, slot 112, beveled wall 113; slot 121, slot vertical wall 122, slot top wall 123, lower edge 124, lower pivot joint handle 125, lower pivot joint 126, screw hole position 127; upper pivot joint 131, rear upper lever arm 132, rear upper lever arm buckle 133, upper edge 134; front lower lever arm buckle slot 141;

[0021] 2. Head cover, 21. Base plate, 22. Rear stop protrusion, 23. Front stop block, 24. Insert block, 25. Split iron tongue, 26. Slot, 27. Horizontal edge, 28. Pull ball outlet, 29. Horizontal front lower lever arm buckle, 210. Flange recess, 211. Insert hole, 212. Protruding ring, 213. Screw hole, 214. Decorative cover, 215. Insert pin, 216. Protruding insert ring.

[0022] Tail cover 3, base plate 31, rear protrusion 32, front stop block 33, insert block 34, split iron tongue 35, slot 36, horizontal front lower lever buckle 37, flange recessed bottom 38, insertion hole 39, protruding ring 310, screw hole 311, decorative cover 312, pin 313, protruding insertion ring 314.

[0023] like Figure 1As shown, the roller shutter cover box includes an aluminum alloy cover box profile 1, a head cover 2, and a tail cover 3. The head cover needs to accommodate the pull bead, so the front and bottom covers on the head cover side need to be cut to allow for the horizontal edge of the head cover and the movement of the pull bead. The cover box profile and the cover should have the same shape. The cover and cover box profile are connected and fixed with screws. For aesthetic purposes, a separate decorative cover is provided to cover the outside of the cover, concealing the screw heads and adding various textures and colors to the outside of the decorative cover.

[0024] like Figure 2 , Figure 3 , Figure 4 As shown, the split roller shutter cover profile 1 includes an integral rear cover plate 11 and a top cover plate 12. The rear cover plate 11 is connected to the top cover plate 12 via a sloping wall 113. The rear cover plate 11 is perpendicular to the top cover plate 12 and is used to balance the installation with the wall as the adjustment reference. The bottom inner wall of the rear cover plate 11 has screw holes 111 for installing the cover, and the upper part of the inner wall of the rear cover plate 11 has a slot 112 for positioning the roller shutter tail. The front inner wall of the top cover plate 12 has screw holes 127 for installing the cover, and a slot 121 is provided at the top. The slot 121 is used in conjunction with a side-mounted or top-mounted mounting bracket. The integral front cover plate 13 and bottom cover plate 14 have an arc-shaped cross-section. The top cover plate 12 is connected to the front cover plate 13 via a fastening part 15. The front end of the top cover plate 12 is the female fastening part. A section of the front end of the top cover plate 12 slopes downwards to form the lower fulcrum joint 125. The front end of the lower fulcrum joint 125 slopes downwards again to form the lower fulcrum joint 126. A section of the front end of the top cover plate 12's groove vertical wall 122 extends forward to form the groove top wall 123. A section of the front end of the groove top wall 123 extends straight down to form the lower edge 124. The groove vertical wall 122, groove top wall 123, and lower edge 124 form the rear upper lever arm fastening groove of the arc-shaped integrated front cover plate and bottom cover plate. The rear upper lever arm fastening groove, lower fulcrum joint 125, and lower fulcrum joint 126 form the female fastening part. The top end of the front cover plate 13 is the male fastening part. The top end of the arc-shaped front cover plate 13... The inner wall of the section is thickened and protruded to form an upper fulcrum section 131. The upper fulcrum section 131 is parallel to the lower fulcrum section 125. The lower fulcrum section 125 supports the upper fulcrum section 131. The upper fulcrum section 131 is then cut upwards at an angle to form a rear upper lever arm 132. The rear upper lever arm 132 is parallel to the lower fulcrum section handle 125. The rear upper lever arm 132 is then cut vertically upwards to form a rear upper lever arm buckle 133. A protruding upper edging 134 is provided at the connection between the upper fulcrum section 131 and the rear upper lever arm 132. The rear upper lever arm 132, the rear upper lever arm buckle 133, and the upper edging 134 constitute a sub-buckle joint. The lower front inner wall of the arc-shaped integrated front cover plate 13 and the bottom cover plate 14 is provided with a front lower lever arm buckle groove 141.

[0025] like Figure 5 , Figure 6As shown, the head cover 2 includes a base plate 21. The inner wall of the rear side of the base plate 21 has a rear stop protrusion 22 from top to bottom. The rear stop protrusion 22 is retracted by one wall thickness of the rear cover plate 11. A front stop block 23 is provided inside the base plate 21. An insertion block 24 is provided on the inner top of the base plate 21 for inserting a slot 121. The slot 26 of the split insert tongue 25 formed by the insertion block 24 and the inner wall of the base plate 21 is a horizontally extending edge 27 on the front upper side. A pull bead outlet 28 is provided below the horizontally extending edge 27. The shape of the base plate 21 from the rear stop protrusion 22 forward is consistent with the shape of the split roller shutter cover profile 1. The shape of the horizontally extending edge 27 from top to bottom is consistent with the shape of the sub-fastening part of the arc-shaped integrated front cover plate and bottom cover plate to the front lower force arm fastening groove 141. A widened and reinforced horizontally extending front lower force arm fastening 29 is provided at the point where the horizontally extending edge 27 retracts from the bottom to the top by one arc wall thickness. The substrate 21 has a flange recess 210 on the outside, and an insertion hole 211 is provided on the inner front edge of the flange recess 210. A raised ring 212 is provided in the middle of the outer side of the substrate 21. A pin 215 is provided on the inner front edge of the split decorative cover 214. A raised insertion ring 216 is provided in the middle of the inner side of the split decorative cover 214. The outer diameter of the raised insertion ring 216 corresponds to the inner diameter of the raised ring 212. The pin 215 is inserted into the insertion hole 211. The split decorative cover 214 covers the flange recess 210.

[0026] like Figure 7 , Figure 8 As shown, the tail cover 3 includes a base plate 31. The inner wall of the rear side of the base plate 31 is provided with a rear stop protrusion 32 from top to bottom. The rear stop protrusion 32 is retracted by a wall thickness of the rear cover plate 11. A front stop block 33 is provided at the rear interior of the base plate 31. An insert block 34 is provided at the top of the inner side of the base plate 31 for inserting into the slot 121. The insert block 34 and the inner wall of the base plate 31 form a slot 36 for the split iron tongue 35. The shape of the base plate 31 from the rear stop protrusion 32 forward is consistent with the shape of the split roller shutter cover profile 1. A widened and reinforced horizontal forward lower lever buckle 37 is provided at the corresponding horizontal edge 27 where it is retracted by an arc-shaped wall thickness. The substrate 31 has a flange recess 38 on the outside, and an insertion hole 39 is provided on the inner front edge of the flange recess 38. A raised ring 310 is provided in the middle of the outer side of the substrate 31. A pin 313 is provided on the inner front edge of the split decorative cover 312. A raised insertion ring 314 is provided in the middle of the inner side of the split decorative cover 312. The outer diameter of the raised insertion ring 314 corresponds to the inner diameter of the raised ring 310. The pin 313 is inserted into the insertion hole 39, and the split decorative cover 312 covers the flange recess 38.

[0027] For installation, the split iron tongue 25 of the head cover 2 and the split iron tongue 35 of the tail cover 3 are respectively inserted into the pull bead head and tail of the roller shutter shaft. Screws pass through screw holes 213 / 311 and are fixed to screw hole positions 111 / 127. The rear upper lever arm buckle 133 of the top male fastening part of the front cover plate 13 is inserted into the rear upper lever arm buckle groove of the front female fastening part of the top cover plate 12. The lower fulcrum joint 126 supports the upper fulcrum joint 131. Under the force of the lever, the bottom cover plate 14 is pressed against the horizontally protruding front lower lever arm buckle 29 / 37 of the cover. The front lower lever arm buckle groove 141 is engaged with the horizontally protruding front lower lever arm buckle 29 / 37. The split decorative cover 214 / 312 is then closed on the outside of the head cover 2 and the tail cover 3.

Claims

1. A split roller shutter cover profile, including a rear cover plate, a top cover plate, a front cover plate, and a bottom cover plate, wherein the rear cover plate is connected to the top cover plate via a sloping wall, the rear cover plate is perpendicular to the top cover plate, the top cover plate has a mounting groove, and the inner walls of the rear cover plate and the top cover plate have screw holes for mounting a cover, characterized in that: the rear... The cover plate and top cover plate are integrated, and the front cover plate and bottom cover plate are integrated. The cross-section of the integrated front cover plate and bottom cover plate is arc-shaped. The front end of the top cover plate and the top end of the front cover plate are separated at their intersection. The front end of the top cover plate is provided with a female fastening part at a downward slope, and the top end of the arc-shaped integrated front cover plate and bottom cover plate is provided with a male fastening part at an upward slope. The female fastening part is formed by the front end of the top cover plate being inclined downward slope to form a lower fulcrum joint, the front end of the fulcrum joint being inclined downward slope to form a lower fulcrum joint, the front end of the top cover plate being flattened at the top of the groove vertical wall to form the groove top wall, and the front end of the groove top wall being straight down to form a lower edge. The groove vertical wall, top wall and lower edge are shaped as follows. The upper arm latch groove, the lower fulcrum joint handle, and the lower fulcrum joint constitute the female latch joint; the female latch joint is formed by thickening and protruding the inner wall of the top section of the arc-shaped front cover plate to form the upper fulcrum joint, which is parallel to the lower fulcrum joint. The upper fulcrum joint is then inclined upwards to form the upper arm, which is parallel to the lower fulcrum joint handle. The upper arm is then vertically extended upwards to form the upper arm latch. A raised upper edging is provided at the connection between the upper fulcrum joint and the upper arm. The upper arm, the upper arm latch, and the upper edging constitute the female latch joint; the lower front inner wall of the arc-shaped integrated front cover plate and the bottom cover plate is provided with a lower front arm latch groove.

2. The sectional roller shutter box profile according to claim 1, characterized in that, in The inner wall of the front end of the top cover plate is provided with screw holes for installing the cover, the inner wall of the bottom of the rear cover plate is provided with screw holes for installing the cover, and the upper part of the inner wall of the rear cover plate is provided with a slot for the roller shutter tail.

3. A cover, including a substrate, wherein a rear end protrusion is provided on the inner rear wall of the substrate from top to bottom, the rear end protrusion retracts by one rear cover plate wall thickness, a front end block is provided inside the substrate, an insertion block for inserting a slot is provided on the inner top of the substrate, the insertion block and the inner wall of the substrate form a separate tongue slot, a ferrule extends horizontally from the upper front of the substrate, and a pull bead outlet is provided below the ferrule, characterized in that: The shape of the substrate protruding from the rear guard to the front corresponds to the shape of the split roller shutter box profile as described in claim 1. The shape of the horizontal edge extending from top to bottom corresponds to the shape of the sub-fastening part to the front lower force arm buckle groove of the arc-shaped integrated front cover plate and bottom cover plate as described in claim 1. A horizontal front lower force arm buckle is provided at a point where the horizontal edge extends from the bottom and retracts by an arc wall thickness.

4. The cap according to claim 3, characterized in that: The substrate has a flanged bottom on the outside, and an insertion hole is provided at the front edge of the flanged bottom. A raised ring is provided in the middle of the substrate. A pin is provided at the front edge of the split decorative cover. A raised insertion ring is provided in the middle of the split decorative cover. The outer diameter of the raised insertion ring corresponds to the inner diameter of the raised ring. The pin is inserted into the insertion hole, and the split decorative cover covers the flanged bottom.

5. A cover, including a substrate, wherein a rear end protrusion is provided on the inner rear wall of the substrate from top to bottom, the rear end protrusion retracts to a thickness equal to the rear cover wall of the substrate, a front end block is provided inside the substrate, and an insertion block for inserting a slot is provided on the inner top of the substrate, the insertion block and the inner wall of the substrate forming a separate tongue slot, characterized in that: The shape of the substrate protruding forward from the rear guard corresponds to the shape of the split roller shutter box profile as described in claim 1, and a horizontally extending front lower lever buckle is provided at the location where the horizontally extending edge is retracted by an arc-shaped wall thickness as described in claim 3.

6. The closure of claim 5 wherein: The substrate has a flanged bottom on the outside, and an insertion hole is provided at the front edge of the flanged bottom. A raised ring is provided in the middle of the substrate. A pin is provided at the front edge of the split decorative cover. A raised insertion ring is provided in the middle of the split decorative cover. The outer diameter of the raised insertion ring corresponds to the inner diameter of the raised ring. The pin is inserted into the insertion hole, and the split decorative cover covers the flanged bottom.