Punching-free roller shutter supporting and rotating structure

Abstract

The utility model relates to the technical field of roller shutters, and discloses a punching-free roller shutter supporting and rotating structure which comprises a manufactured head (2) connected with the two ends of an inner reel pipe (1) and an adjustable tail plug (3). The manufactured head (2) comprises a manufactured head body (21) connected with the inner reelpipe (1), a spring piece (22) arranged on the inner reelpipe (1) in a sleeving mode and providing elastic force and an adjusting piece (23) capable of adjusting pre-stored elastic force of the spring piece (22), a hollow cavity is formed in the manufactured head body (21), the adjusting piece (23) is arranged in the hollow cavity, one end, penetrating through the manufactured head body (21), of the adjusting piece (23) is connected with the spring piece (22), and the spring piece (22) can be driven to rotate to store force. The roller shutter is kept in an elastic force balance state when being rolled; the rotary structure is composed of a pre-stored elastic force type head and an adjustable tail plug, is applied to a roller shutter system to achieve multiple functions of being free of punching and bead pulling, capable of adjusting the width of a roller shutter and the like, and is simple in overall structure and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller shutter technical field, concretely relates to a kind of hole-free roller shutter support gyration structure. BACKGROUND

[0002] The existing roller shutter installation mode generally has two kinds of punching installation and hole-free installation. The punching installation is fixed on the wall on both sides of the window edge by screw, the fixed mode of this kind of roller shutter is complex, needs to use additional tool operation, and needs to punch on the wall, destroys wall surface;And different wall needs different punching installation tool, installation is complex and cumbersome, is not convenient to disassemble after installation. Hole-free installation is more and more popular in market because it does not damage wall.

[0003] Most of hole-free roller shutter products on the market cannot adjust width, and need to pull rope or pull bead to cooperate winding, such as the application number 202420835325.0 of a kind of quick hole-free installation roller shutter, roller shutter sleeve hangs pull rope or pull bead, not enough simple and beautiful, there is security risk, and winding pull operation exists certain inconvenience. Most of the prior art adopts motor, and the motor installation occupies larger installation space, is not suitable for light roller shutter, affects the appearance of beautiful, and cost is higher. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a hole-free roller shutter support gyration structure, the gyration structure is composed of pre-accumulation elastic type head and adjustable tail plug, applied to roller shutter system to realize hole-free, pull-bead-free, adjustable roller shutter width and other functions, and the overall structure is simple and the cost is low.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A hole-free roller shutter support gyration structure, comprising a head and an adjustable tail plug connected with both ends of an inner winding pipe;The head comprises a head body connected with the inner winding pipe, a spring member sleeved on the inner winding pipe and providing elasticity, and an adjusting member adjusting the pre-accumulation elasticity of the spring member, a hollow cavity is arranged in the head body, the adjusting member is arranged in the hollow cavity, one end of the adjusting member penetrating the head body is connected with the spring member, and the spring member can be driven to rotate to accumulate force, so that the roller shutter is kept in elastic balance state when winding.

[0007] As a preferred, the spring member comprises a rotating pipe arranged on the head body, a fixed pipe arranged on the inner winding pipe and a first spring arranged between the rotating pipe and the fixed pipe, the rotating pipe is provided with a fixed protrusion to fix one end of the first spring, and the fixed pipe is tightly clamped on the inner winding pipe and fixes the other end of the first spring.

[0008] As preferred, the adjusting member comprises a rotating rod arranged in the hollow cavity, the rotating rod is provided with a first worm gear and a second worm gear distributed along the length direction of the rotating rod, the head body is provided with a first through hole and a first through slot, the first worm gear is engaged with a worm, the other end of the worm penetrates through the first through hole; the inner wall of the rotating tube cavity is provided with internal toothing, the end of the second worm gear penetrating through the first through slot is engaged with the internal toothing, so as to rotate the rotating rod by rotating the worm, thereby rotating the rotating tube and realizing the rotation of the first spring.

[0009] As preferred, the two ends of the rotating rod are respectively connected with a rod handle and a rod sleeve, the end of the head body is provided with a head end plate, the rod handle is mounted on the head end plate, the side of the rod handle away from the head end plate is provided with a shaft hole and a worm fixing slot, the rod sleeve is provided with an insertion slot, one end of the rotating rod penetrates through the shaft hole, the other end of the rotating rod is inserted into the insertion slot, and the worm is clamped in the worm fixing slot, so as to respectively mount the rotating rod and the worm.

[0010] The outer periphery of the rod sleeve is provided with a clamping protrusion, the head body is provided with a clamping slot, and the clamping protrusion is clamped in the clamping slot, so as to fix the rod sleeve.

[0011] As preferred, one end of the worm penetrating through the first through hole is provided with a one-way slot, a cross slot or a hexagonal slot, so as to rotate the worm by cooperating with the corresponding screwdriver.

[0012] As preferred, it further comprises a clamping point positioning member, the outer tube sleeve is provided with an outer winding tube for connecting the roller shutter, the head body is provided with a head plug part for fixing one end of the outer winding tube, the inner wall of the head plug part is provided with a plurality of positioning slots arranged along the inner periphery and a blocking wall arranged between the two positioning slots, the clamping point positioning member comprises a clamping point part, a pressing part and a connecting part for connecting the two, when the roller shutter is used, the roller shutter is pulled to the clamping point part clamped in the positioning slot, at this time, the pulled open roller shutter is in a fixed state; when the roller shutter is rolled up, the roller shutter is pulled again to the clamping point part located at the blocking wall, at this time, the roller shutter is loosened, and is rolled up and returns to the initial equilibrium state under the elastic force of the spring member.

[0013] As preferred, the head end plate is provided with a sliding slot, the pressing part is slidingly arranged in the sliding slot, at least two groups of blocking grooves are arranged on the side wall of the sliding slot, the two sides of the pressing part are provided with blocking protrusions matched with the blocking grooves, and a recess is arranged on the pressing part for accommodating the thumb, so as to press the thumb in the recess to exert force, and drive the blocking protrusions to be located in any blocking groove.

[0014] The head body is provided with a second through hole, when the blocking protrusion is located in the blocking groove away from the head body, the clamping point part penetrates through the second through hole, at this time, the roller shutter can be pulled and the roller shutter can be rolled up; when the blocking protrusion is located in the blocking groove close to the head body, the clamping point part penetrates through the second through hole, at this time, the first spring can be rotated to store energy.

[0015] As preferred, the head end plate and the tail end plate are provided with rubber pads and / or double-sided adhesive tape to increase friction and fix the roller blind firmly.

[0016] As preferred, the tail plug comprises a tail end plate, a tail plug pipe, and a tail plug part sleeved on the tail plug pipe and used for fixing the other end of the outer winding pipe, and a length adjusting member is arranged between the tail end plate and the tail plug pipe to adjust the distance between the tail end plate and the tail plug part, so as to realize adjustment of the width of the roller blind.

[0017] As preferred, the length adjusting member comprises a threaded rod fixedly connected with the tail end plate, a nut head screw-connected with the threaded rod, and a second spring arranged between the threaded rod and the tail plug pipe, the nut head is connected with the tail plug pipe, the threaded rod is rotated by rotating the tail end plate, so that the tail end plate is away from or close to the tail plug pipe, and the second spring provides elastic force.

[0018] As preferred, a first bearing is arranged between the head plug part and the head body, and a second bearing is arranged between the tail plug part and the tail plug pipe, so as to reduce the friction of the rotation of the outer winding pipe.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The pre-accumulation elastic type head is rotated by the adjusting member to accumulate elastic force, so that the roller blind is kept in the elastic balance state during winding, the roller blind is easy to pull and wind, the adjustable tail plug can quickly adjust the distance between the fixing points on both sides of the roller blind and enhance the application range of the width of the window curtain, and the application of the utility model in the roller blind system realizes the functions of punching-free, pearl-pulling-free, adjustable width of the roller blind, and the overall structure is simple and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the utility model.

[0022] Figure 2 It is a sectional view of the utility model.

[0023] Figure 3 It is a split structure schematic view of the utility model.

[0024] Figure 4 It is a local structure schematic view of the utility model.

[0025] Figure 5 It is a sectional view of the head in the utility model.

[0026] Figure 6 It is a split structure schematic view of the head body and the adjusting member in the utility model.

[0027] Figure 7 The local structure diagram of the head in the support revolving structure of the non-punching roller shutter.

[0028] Figure 8 The structure diagram of the adjusting member in the support revolving structure of the non-punching roller shutter.

[0029] Figure 9 The structure diagram of the adjusting member and the rotating tube in the support revolving structure of the non-punching roller shutter.

[0030] Figure 10 The structure diagram of the head plug part and the clamping point part in the support revolving structure of the non-punching roller shutter.

[0031] Figure 11 The structure diagram of the tail plug in the support revolving structure of the non-punching roller shutter.

[0032] Figure 12 The sectional view of the tail plug in the support revolving structure of the non-punching roller shutter.

[0033] Figure 13 The split structure diagram of the tail plug in the support revolving structure of the non-punching roller shutter.

[0034] In the drawings: 1 - inner rolling tube, 2 - head, 21 - head body, 211 - first through hole, 212 - first through groove, 213 - head end plate, 2131 - sliding groove, 2132 - blocking groove, 214 - clamping groove, 215 - second through hole, 22 - spring member, 221 - rotating tube, 222 - fixed tube, 223 - first spring, 224 - fixed protrusion, 225 - inner tooth, 23 - adjusting member, 231 - rotating rod, 232 - first worm wheel, 233 - second worm wheel, 234 - worm, 235 - rod handle, 2351 - shaft hole, 2352 - worm fixing groove, 236 - rod sleeve, 2361 - insertion groove, 2362 - clamping protrusion, 3 - tail plug, 31 - tail end plate, 32 - tail plug tube, 33 - tail plug part, 34 - length adjusting member, 341 - threaded rod, 342 - nut head, 343 - second spring, 4 - clamping point positioning member, 41 - clamping point part, 42 - pressing part, 421 - blocking protrusion, 422 - groove, 43 - connecting part, 5 - outer rolling tube, 6 - head plug part, 61 - positioning groove, 62 - blocking wall, 7 - first bearing, 8 - second bearing, 9 - rubber pad and / or double-sided adhesive. DETAILED DESCRIPTION

[0035] The utility model discloses a preferable embodiment provides a kind of hole-free roller shutter support gyration structure, including with the tail plug 3 of adjustable type of the head 2 of being connected to inner tube 1 both ends;The head 2 includes the head body 21 being connected with inner tube 1, spring piece 22 being provided with elasticity and being set on inner tube 1, and adjustable spring piece 22 pre-accumulation elasticity adjusting part 23, hollow cavity is equipped in head body 21, adjusting part 23 is located in hollow cavity and its one end is connected with spring piece 22 and can drive spring piece 22 rotation and store force, to keep roller shutter winding in elastic balance state.

[0036] The gyration structure can not only efficiently operate to pre-accumulate the spring piece 22, but also adjust the initial elasticity of the spring piece 22 without disassembling any component during the use of the roller shutter product, realize the design of free pulling bead, and the operation of roller shutter pulling and winding is simple, and the cost is low.

[0037] The spring piece 22 includes a rotating tube 221 disposed on the head body 21, a fixed tube 222 disposed on the inner tube 1, and a first spring 223 disposed between the rotating tube 221 and the fixed tube 222. The rotating tube 221 is provided with a fixed protrusion 224 to fix one end of the first spring 223. The fixed tube 222 is tightly clamped on the inner tube 1 and fixes the other end of the first spring 223. The two cooperate to fix the first spring 223 and pre-accumulate the elasticity of the first spring 223 under the action of the adjusting part 23.

[0038] Embodiment 2: The utility model discloses a preferable embodiment provides a kind of hole-free roller shutter support gyration structure, which is only different from the above embodiment in that: the adjusting part 23 includes a rotating rod 231 disposed in the hollow cavity. The rotating rod 231 is provided with a first worm wheel 232 and a second worm wheel 233 spaced along its length direction. The head body 21 is provided with a first through hole 211 and a first through slot 212. The first worm wheel 232 is engaged with a worm 234, and the other end of the worm 234 penetrates the first through hole 211. The inner cavity wall of the rotating tube 221 is provided with internal teeth 225. One end of the second worm wheel 233 penetrating the first through slot 212 is engaged with the internal teeth 225. The rotating rod 231 is rotated by rotating the worm 234, thereby rotating the rotating tube 221, and realizing the rotation of the first spring 223 to store force.

[0039] One end of the worm 234 penetrating the first through hole 211 is provided with a T-shaped slot, a cross slot or a hexagonal slot, so as to drive the worm 234 to rotate by cooperating with the corresponding screwdriver.

[0040] The rotating rod 231 is connected with the rod handle 235 and the rod sleeve 236 at two ends respectively, the head end plate 213 is arranged at the end of the head body 21, the rod handle 235 is arranged on the head end plate 213, the shaft hole 2351 and the worm fixing groove 2352 are arranged on the side of the rod handle 235 away from the head end plate 213, the insertion groove 2361 is arranged on the rod sleeve 236, one end of the rotating rod 231 penetrates through the shaft hole 2351, the other end of the rotating rod 231 is inserted into the insertion groove 2361, and the worm 234 is clamped in the worm fixing groove 2352, so that the rotating rod 231 and the worm 234 are arranged respectively.

[0041] The rod sleeve 236 is provided with the clamping protrusion 2362 on the outer periphery, the head body 21 is provided with the clamping groove 214, and the clamping protrusion 2362 is clamped in the clamping groove 214, so that the rod sleeve 236 is fixed.

[0042] The difference between the embodiment and the above-mentioned embodiment is that the head body 21 is sleeved with the head plug part 6 for fixing one end of the outer winding pipe 5, the inner wall of the head plug part 6 is provided with a plurality of positioning grooves 61 arranged in the circumferential direction and the blocking wall 62 arranged between the two positioning grooves 61, the clamping point positioning part 4 comprises the clamping point part 41, the pressing part 42 and the connecting part 43 for connecting the two, when the roller shutter is used, the roller shutter is pulled to the clamping point part 41 clamped in the positioning groove 61, and at this time, the roller shutter pulled open is in a fixed state; when the roller shutter is rolled up, the roller shutter is pulled again to the clamping point part 41 located at the blocking wall 62, and at this time, the roller shutter is loosened and rolled up and returns to the initial equilibrium state under the elastic force of the spring part 22.

[0043] The head end plate 213 is provided with the sliding groove 2131, the pressing part 42 is slidingly arranged in the sliding groove 2131, at least two groups of blocking grooves 2132 are arranged on the side wall of the sliding groove 2131, the blocking protrusions 421 matched with the blocking grooves 2132 are arranged on the two sides of the pressing part 42, and the recess 422 for accommodating the thumb pad is arranged on the pressing part 42, so that force is applied by pressing the thumb pad in the recess 422, and the blocking protrusions 421 are located in any blocking groove 2132;

[0044] The second through hole 215 is arranged on the head body 21, when the blocking protrusions 421 are located in the blocking grooves 2132 away from the head body 21, the clamping point part 41 penetrates through the second through hole 215, at this time, the roller shutter can be pulled and rolled up; when the blocking protrusions 421 are located in the blocking grooves 2132 close to the head body 21, the clamping point part 41 does not penetrate through the second through hole 215, at this time, the first spring 223 can be rotated to store force.

[0045] The utility model discloses a preferable embodiment provides a kind of free drilling roller shutter support gyration structure, and its difference with the above embodiment is only in that: the tail plug 3 includes tail end plate 31, tail plug pipe 32 and tail plug part 33 for fixing the other end of outer winding pipe 5, and tail plug pipe 32 is set on and is used, tail end plate 31 is equipped with length adjusting member 34 between tail plug pipe 32, to adjust the interval of tail end plate 31 and tail plug part 33, to realize the adjustment of roller shutter width.

[0046] The length adjusting member 34 includes a threaded rod 341 fixedly connected to the tail end plate 31, a nut head 342 threadedly connected to the threaded rod 341, and a second spring 343 disposed between the threaded rod 341 and the tail plug pipe 32. The nut head 342 is connected to the tail plug pipe 32, and by rotating the tail end plate 31 to drive the threaded rod 341 to rotate, the tail end plate 31 is moved away from or approaches the tail plug pipe 32; the second spring 343 provides elastic force.

[0047] A first bearing 7 is provided between the head plug part 6 and the head making body 21, and a second bearing 8 is provided between the tail plug part 33 and the tail plug pipe 32, to reduce the friction force of the rotation of the outer winding pipe 5.

[0048] The utility model discloses a preferable embodiment provides a kind of free drilling roller shutter support gyration structure, and its difference with the above embodiment is only in that: the head end plate 213 and tail end plate 31 are equipped with rubber pad and / or double-sided adhesive tape 9, to increase friction force, so that roller shutter is fixed firm.

[0049] The gyration structure is composed of a pre-accumulation elastic force type head making 2 and an adjustable tail plug 3. The pre-accumulation elastic force type head making 2 drives the spring member 22 to rotate by the adjusting member 23 to accumulate force, so that the roller shutter is in an elastic balance state when winding. The roller shutter is easy to pull and wind, and the adjustable tail plug 3 can quickly adjust the distance between the fixing points on both sides of the roller shutter and enhance the application range of the width of the window curtain. The gyration structure is applied to the roller shutter system to realize free drilling, free pulling beads, adjustable roller shutter width and other functions. The overall structure is simple and the cost is low.

[0050] The above description is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any changes or modifications made by those skilled in the art within the scope of the utility model are covered by the patent range of the utility model.

Claims

1. A punch-hole-free roller blind support swivel structure comprising a head (2) and an adjustable tail plug (3) connected to both ends of an inner roller tube (1); characterized in that, The manufacturing head (2) comprises a manufacturing head body (21) connected with the inner winding tube (1), a spring member (22) sleeved on the inner winding tube (1) and providing elasticity, and an adjusting member (23) capable of adjusting the pre-accumulation elasticity of the spring member (22), the manufacturing head body (21) is internally provided with a hollow cavity, the adjusting member (23) is arranged in the hollow cavity and one end of the adjusting member (23) penetrating through the manufacturing head body (21) is connected with the spring member (22) and can drive the spring member (22) to rotate to accumulate force, so that the roller shutter can be kept in an elastic balance state during winding.

2. A punchless roller shade support swivel structure according to claim 1, wherein, The spring member (22) comprises a rotating tube (221) arranged on the manufacturing head body (21), a fixed tube (222) arranged on the inner winding tube (1), and a first spring (223) arranged between the rotating tube (221) and the fixed tube (222), the rotating tube (221) is provided with a fixed protrusion (224) for fixing one end of the first spring (223), and the fixed tube (222) is tightly clamped on the inner winding tube (1) and fixes the other end of the first spring (223).

3. A punchless roller shade support swivel structure according to claim 2, wherein, The adjusting member (23) comprises a rotating rod (231) arranged in the hollow cavity, the rotating rod (231) is provided with a first worm wheel (232) and a second worm wheel (233) which are spaced apart along the length direction of the rotating rod (231), the manufacturing head body (21) is provided with a first through hole (211) and a first through slot (212), the first worm wheel (232) is engaged with a worm (234), and the other end of the worm (234) penetrates through the first through hole (211); the inner cavity wall of the rotating tube (221) is provided with internal teeth (225), and one end of the second worm wheel (233) penetrating through the first through slot (212) is engaged with the internal teeth (225), so that the rotating rod (231) is driven to rotate by rotating the worm (234), thereby driving the rotating tube (221) to rotate and realizing the rotation accumulation of the first spring (223).

4. A punchless roller shade support swivel structure according to claim 3, wherein, The rotating rod (231) is respectively connected with a rod handle (235) and a rod sleeve (236) at two ends, the manufacturing head body (21) is provided with a head end plate (213), the rod handle (235) is mounted on the head end plate (213), the rod handle (235) is provided with a shaft hole (2351) and a worm fixing slot (2352) on the side away from the head end plate (213), the rod sleeve (236) is provided with an insertion slot (2361), one end of the rotating rod (231) penetrates through the shaft hole (2351), the other end of the rotating rod (231) is inserted into the insertion slot (2361), and the worm (234) is clamped in the worm fixing slot (2352), so as to respectively mount the rotating rod (231) and the worm (234); The rod sleeve (236) is provided with a clamping protrusion (2362) on the outer periphery, the manufacturing head body (21) is provided with a clamping slot (214), and the clamping protrusion (2362) is clamped in the clamping slot (214) to fix the rod sleeve (236); One end of the worm (234) penetrating through the first through hole (211) is provided with a one-way slot, a cross slot or a hexagonal slot, so that the worm (234) is driven to rotate by cooperating with the corresponding screwdriver.

5. A punchless roller shade support swivel structure according to claim 4, wherein, Also include the card point positioning member (4), the inner tube (1) is provided with the outer tube (5) for connecting the roller shutter, the head body (21) is provided with the plug part (6) for fixing one end of the outer tube (5), the inner wall of the plug part (6) is provided with a plurality of positioning grooves (61) along the inner circumferential direction thereof and the blocking wall (62) between the two positioning grooves (61), the card point positioning member (4) includes the card point part (41), the pressing part (42) and the connecting part (43) for connecting the two, when using the roller shutter, the roller shutter is pulled to the card point part (41) and is clamped into the positioning groove (61), at this time, the roller shutter pulled open is in a fixed state; when winding the roller shutter, the roller shutter is pulled again to the card point part (41) at the blocking wall (62), at this time, the roller shutter is loosened, and is wound and returns to the initial equilibrium state under the elastic force of the spring member (22).

6. A punchless roller shade support swivel structure according to claim 5, wherein, The head end plate (213) is provided with a sliding groove (2131), the pressing part (42) is slidingly provided in the sliding groove (2131), and at least two groups of blocking grooves (2132) are provided on the side wall of the sliding groove (2131). The pressing part (42) is provided with a blocking protrusion (421) matched with the blocking groove (2132) on both sides, and a recess (422) is provided on the pressing part (42) for accommodating the thumb web, so as to press the thumb web in the recess (422) to exert force, and drive the blocking protrusion (421) to be located in any blocking groove (2132); The head body (21) is provided with a second through hole (215), when the blocking protrusion (421) is located in the blocking groove (2132) away from the head body (21), the card point part (41) penetrates the second through hole (215), at this time, the roller shutter can be pulled and wound; when the blocking protrusion (421) is located in the blocking groove (2132) close to the head body (21), the card point part (41) penetrates the second through hole (215), at this time, the first spring (223) can be rotated to store energy.

7. A punchless roller shade support swivel structure according to claim 6, wherein, The head end plate (213) and the tail end plate (31) are provided with rubber pads and / or double-sided adhesive tape (9) to increase the friction and make the roller shutter fixed firmly.

8. A punchless roller shade support swivel structure according to any one of claims 5-7, wherein, The tail plug (3) includes a tail end plate (31), a tail plug tube (32), and a tail plug part (33) sleeved on the tail plug tube (32) and used for fixing the other end of the outer tube (5), and a length adjusting member (34) is arranged between the tail end plate (31) and the tail plug tube (32) to adjust the distance between the tail end plate (31) and the tail plug part (33), thereby realizing the adjustment of the width of the roller shutter.

9. A punchless roller shade support swivel structure according to claim 8, wherein, The length adjusting member (34) includes a threaded rod (341) fixedly connected with the tail end plate (31), a nut head (342) threadedly connected with the threaded rod (341), and a second spring (343) arranged between the threaded rod (341) and the tail plug tube (32), the nut head (342) is connected with the tail plug tube (32), the threaded rod (341) is rotated by rotating the tail end plate (31), so that the tail end plate (31) is away from or close to the tail plug tube (32); the second spring (343) provides elastic force.

10. A punchless roller shade support swivel structure according to claim 9, wherein, The first bearing (7) is arranged between the head plug part (6) and the head body (21), and the second bearing (8) is arranged between the tail plug part (33) and the tail plug pipe (32), so as to reduce the friction force of the outer winding pipe (5) rotating.

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