Screen roller system

Abstract

The utility model relates to a screen window technology field discloses a screen window roller shutter system, including roller shutter cover (1), roll spring subassembly (2), the upper cover (3) and lower cover (4) of being located in the both ends of roller shutter cover (1), roll spring subassembly (2) is installed in the roller shutter cover (1) through the pivot, and the pivot includes the fixed shaft (5) connected with roll spring subassembly (2), the connecting shaft (6) connected with fixed shaft (5) and gear shaft (7), and the connecting shaft (6) is equipped with gear sleeve pipe (61), and the inner wall of gear sleeve pipe (61) is equipped with internal tooth (62), and internal tooth (62) and gear shaft (7) are interlocked, this screen window roller shutter system adopts fixed shaft, connecting shaft and gear shaft close cooperation, effectively reduces the vibration of the roller shutter generation, improves product service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a screen window technical field, concretely relates to a screen window roller blind system. BACKGROUND

[0002] The screen window is the equipment for preventing mosquitoes, flies and other insects from entering the room and not affecting ventilation and air permeability, compared with the traditional fixed screen window, the screen cloth in the roll type push-pull screen window can be hidden in the window frame when not in use, and can be pulled out at any time when needed, and based on the winding characteristics of the screen cloth of the screen window, a greater perspective effect can be achieved.

[0003] The roll type push-pull screen window generally sets a winding device to realize winding of the screen cloth, for example, a multiple drive spring roller blind device with the application number CN201820878102.7 discloses winding of the curtain cloth by a limiting spring, which needs to be calculated according to the curtain cloth specification size, and the pre-rotation compression elastic force is realized; meanwhile, professional personnel are needed for disassembly and assembly, and the curtain cloth in the winding drum is inconvenient to replace and clean. For example, the prior improvement technology of the application number 202320464046.3 a roll type window curtain winding system of the inventor improves the existing winding assembly by adopting a unique fixed shaft, sleeve, and scroll spring structure, effectively reduces the production and assembly difficulty, and does not need professional adjustment and adjustment for disassembly in the later period. However, the connecting structure vibrates greatly when winding, the fixed shaft and the rotating sleeve and other components are easily damaged, and the service life of the winding system is reduced. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a screen window winding system, which adopts a fixed shaft, a connecting shaft and a gear shaft to closely cooperate, effectively reduces the vibration generated by the winding, and improves the service life of the product.

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

[0006] A screen window winding system, comprising a winding cover, a winding spring assembly, an upper cover and a lower cover arranged at both ends of the winding cover, the winding spring assembly is installed in the winding cover through a rotating shaft, the rotating shaft comprises a fixed shaft connected with the winding spring assembly, a connecting shaft connected with the fixed shaft and a gear shaft, a gear sleeve is arranged on the connecting shaft, an inner tooth is arranged on the inner wall of the gear sleeve, and the inner tooth and the gear shaft are meshed with each other.

[0007] As a preferred, it further comprises an upper end cover connected with the upper cover, the upper end cover is connected with the outer frame of the winding, and a rotating shaft hole is arranged on the upper end cover; a clamping part connected with the winding cover is arranged on one side of the upper cover, and an upper rotating shaft extending into the rotating shaft hole is arranged on the other side; a first bearing is arranged between the upper cover and the upper end cover to realize rotation of the upper cover relative to the upper end cover.

[0008] As preferred, the lower end cover connected with the lower sleeve cover is further connected with the outer frame of the roller shutter, and the lower end cover is provided with a positioning hole, the gear shaft is provided with a positioning shaft away from the connecting shaft, and the positioning shaft penetrates through the lower sleeve cover and is inserted into the positioning hole; the second bearing is arranged between the lower sleeve cover and the lower end cover to realize the rotation of the lower sleeve cover relative to the lower end cover.

[0009] As preferred, the lower sleeve cover is connected with a clamping sleeve arranged outside the connecting shaft, the clamping sleeve is provided with an insertion part, and the lower sleeve cover is provided with an insertion slot matched with the insertion part to insert and fix the lower sleeve cover and the clamping sleeve.

[0010] As preferred, the connecting shaft is provided with an annular groove, and the C-shaped buckle is clamped on the annular groove, and the outer diameter of the C-shaped buckle is greater than the upper end hole diameter of the clamping sleeve to limit the clamping sleeve.

[0011] As preferred, the clamping sleeve is provided with a plurality of clamping teeth on the outer periphery, and the roller shutter sleeve is provided with a limiting slot, so that the clamping sleeve and the lower sleeve cover are driven to rotate with the roller shutter sleeve through the cooperation of the clamping teeth and the limiting slot.

[0012] As preferred, the clamping part is provided with a groove matched with the limiting slot to drive the upper sleeve cover to rotate with the roller shutter sleeve through the cooperation of the groove and the limiting slot.

[0013] As preferred, the rubber ring is arranged between the lower sleeve cover and the clamping sleeve to reduce the friction.

[0014] As preferred, the outer frame of the roller shutter comprises a first frame body and a second frame body clamped with each other, and the upper and lower ends of the first frame body and the second frame body are respectively connected with an upper frame plate and a lower frame plate to form a containing cavity for mounting the screen roller shutter.

[0015] As preferred, the upper frame plate and the lower frame plate are respectively provided with sliding grooves for mounting the upper end cover and the lower end cover, and the sliding grooves are provided with baffles, so that when the upper end cover and the lower end cover slide into the sliding grooves, the upper end cover and the lower end cover are blocked by the baffles to prevent the upper end cover and the lower end cover from being separated from the sliding grooves in the vertical direction.

[0016] Compared with the prior art, the screen roller shutter system has the following beneficial effects:

[0017] The screen roller shutter system adopts the close cooperation of the fixed shaft, the connecting shaft and the gear shaft, effectively reduces the vibration generated by the roller shutter, and improves the service life of the product; meanwhile, the upper sleeve cover and the lower sleeve cover are respectively arranged between the upper end cover and the lower end cover in a butterfly structure, and the friction is reduced through bearing cooperation when rotating. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the screen roller shutter system.

[0019] Figure 2 It is a sectional view of the screen roller shutter system.

[0020] Figure 3 Split structure of the screen window roller system Figure 1 .

[0021] Figure 4 Split structure of the screen window roller system Figure 2 .

[0022] Figure 5 Structure of the upper cover and the lower cover in the screen window roller system

[0023] Figure 6 Structure of the coil spring assembly and the rotating shaft in the screen window roller system

[0024] Figure 7 Partial structure of the upper cover and the roller cover in the screen window roller system

[0025] Figure 8 Partial sectional view of the upper cover and the roller cover in the screen window roller system

[0026] Figure 9 Partial structure of the lower cover and the roller cover in the screen window roller system

[0027] Figure 10 Partial sectional view of the lower cover and the roller cover in the screen window roller system

[0028] Figure 11 Partial structure of the screen window with the roller system

[0029] Figure 12 Overall structure of the screen window with the roller system

[0030] In the drawings: 1-roller cover, 101-limiting groove, 2-coil spring assembly, 3-upper cover, 31- clamping part, 311-groove, 32-upper rotating shaft, 4-lower cover, 5-fixed shaft, 6-continuous shaft, 61-gear sleeve, 62-internal teeth, 63-annular groove, 64-C-shaped buckle, 7-gear shaft, 71- positioning shaft, 8-upper end cover, 81-rotating shaft hole, 9-roller outer frame, 91-first frame body, 92-second frame body, 93-upper frame plate, 94-lower frame plate, 95-sliding groove, 96- baffle, 10-first bearing, 11-lower end cover, 111-positioning hole, 12-second bearing, 13-clamping sleeve, 131-inserting part, 132-claw, 14-rubber ring. DETAILED DESCRIPTION

[0031] The utility model discloses a screen roller shutter system, including roller shutter cover 1, roll spring subassembly 2, the upper cover 3 of being arranged in the both ends of roller shutter cover 1 and the lower cover 4, roll spring subassembly 2 is installed in roller shutter cover 1 through the pivot, and the pivot includes the fixed shaft 5 being connected with roll spring subassembly 2, the connecting shaft 6 being connected with fixed shaft 5 and the gear shaft 7, is equipped with the gear sleeve pipe 61 on connecting shaft 6, the inner wall of gear sleeve pipe 61 is equipped with the internal tooth 62, and the internal tooth 62 is mutually engaged with gear shaft 7, adopts fixed shaft, connecting shaft and gear shaft close cooperation, effectively reduces the vibration that roll shutter generates, and the accessory is not easy to damage, improves product service life.

[0032] The screen roller shutter system further includes an upper end cover 8 connected with the upper cover 3 and a lower end cover 11 connected with the lower cover 4, the upper end cover 8 is connected with a roller shutter outer frame 9, and a pivot hole 81 is arranged on the upper end cover 8; one side of the upper cover 3 is provided with a clamping portion 31 connected with the roller shutter cover 1, and the other side is provided with an upper pivot 32 extending into the pivot hole 81; a first bearing 10 is arranged between the upper cover 3 and the upper end cover 8 to realize the rotation of the upper cover 3 relative to the upper end cover 8; the lower end cover 11 is connected with the roller shutter outer frame 9, and a positioning hole 111 is arranged on the lower end cover 11; a positioning shaft 71 is arranged on the end of the gear shaft 7 away from the connecting shaft 6, and the positioning shaft 71 penetrates through the lower cover 4 and is inserted into the positioning hole 111; a second bearing 12 is arranged between the lower cover 4 and the lower end cover 11 to realize the rotation of the lower cover 4 relative to the lower end cover 11. At the same time, the butterfly structure between the upper cover 3 and the lower cover 4 and between the upper end cover 8 and the lower end cover 11 reduces the friction force during rotation through the cooperation of the first bearing 10 and the second bearing 12.

[0033] According to the design of the size of the screen curtain cloth, the size of the roll spring subassembly 2 is calculated in advance, and the preselected size of the roll spring is adopted to avoid the problem of manual rotation of the existing technology.

[0034] Embodiment 2: The utility model discloses a screen roller shutter system, which is different from the above-mentioned embodiment only in that the lower cover 4 is connected with a clamping sleeve 13 sleeved outside the connecting shaft 6, the clamping sleeve 13 is provided with an insertion portion 131, the lower cover 4 is provided with an insertion groove matched with the insertion portion 131 to insert and fix the lower cover 4 and the clamping sleeve 13. And a rubber ring 14 is arranged between the lower cover 4 and the clamping sleeve 13 to reduce the friction force.

[0035] The connecting shaft 6 is provided with an annular groove 63, and the C-shaped buckle 64 is clamped on the annular groove 63, and the outer diameter of the C-shaped buckle 64 is greater than the upper hole diameter of the clamping sleeve 13 to limit the clamping sleeve 13.

[0036] The clamping sleeve 13 is provided with a plurality of clamping teeth 132 on the outer periphery, and the roller shutter cover 1 is provided with a limiting groove 101 to drive the clamping sleeve 13 and the lower cover 4 to rotate with the roller shutter cover 1 through the cooperation of the clamping teeth 132 and the limiting groove 101.

[0037] The clamping part 31 is provided with a groove 311 matched with the limiting groove 101, so as to drive the upper cover 3 to rotate with the roller shutter cover 1 through the cooperation of the groove 311 and the limiting groove 101.

[0038] The lower cover 4 is detachably connected with the connecting shaft 6, the gear shaft 7 and the clamping sleeve 13, so as to facilitate the assembly and the later maintenance and disassembly of the screen roller shutter system.

[0039] Embodiment 3: The screen roller shutter system provided by the preferable embodiment of the utility model only differs from the above-mentioned embodiments in that the roller shutter outer frame 9 comprises a first frame body 91 and a second frame body 92 which are mutually clamped, and the upper and lower ends of the first frame body 91 and the second frame body 92 are respectively connected with an upper frame plate 93 and a lower frame plate 94, so as to form a containing cavity for installing the screen roller shutter; the structure facilitates the assembly and the later maintenance and disassembly of the roller shutter outer frame 9.

[0040] The upper frame plate 93 and the lower frame plate 94 are respectively provided with sliding grooves 95 for installing the upper end cover 8 and the lower end cover 11, and the sliding grooves 95 are provided with baffles 96 above, so that when the upper end cover 8 and the lower end cover 11 slide into the sliding grooves 95, the upper end cover 8 and the lower end cover 11 are blocked by the baffles 96 and prevented from being separated from the sliding grooves 95 in the vertical direction, and the upper end cover 8 and the lower end cover 11 can also be quickly installed.

[0041] The above-mentioned is only the specific embodiment of the utility model, but the technical features of the utility model are not limited to this, and any person skilled in the art makes changes or modifications in the field of the utility model, which are all covered in the patent range of the utility model.

Claims

1. A screen roller system, comprising: The utility model provides a kind of window screen, including roller cover (1), roller spring assembly (2), be located the upper cover (3) and the lower cover (4) of roller cover (1) both ends, roller spring assembly (2) is installed in roller cover (1) by pivot, pivot includes with roller spring assembly (2) connection fixed shaft (5), with fixed shaft (5) connection connecting shaft (6) and gear shaft (7), connecting shaft (6) is equipped with gear sleeve pipe (61), inner wall of gear sleeve pipe (61) is equipped with internal tooth (62), internal tooth (62) and gear shaft (7) are mutually engaged.

2. A screen roller blind system according to claim 1, wherein, It also includes an upper end cover (8) connected to the upper cover (3), the upper end cover (8) is connected to the roller outer frame (9), and the upper end cover (8) is provided with a rotating shaft hole (81). One side of the upper cover (3) is provided with a clamping part (31) connected to the roller cover (1), and the other side is provided with an upper rotating shaft (32) extending into the rotating shaft hole (81). A first bearing (10) is arranged between the upper cover (3) and the upper end cover (8) to realize the rotation of the upper cover (3) relative to the upper end cover (8).

3. A screen roller blind system according to claim 2, wherein, It also includes a lower end cover (11) connected to the lower cover (4), the lower end cover (11) is connected to the roller outer frame (9), and the lower end cover (11) is provided with a positioning hole (111). The end of the gear shaft (7) away from the connecting shaft (6) is provided with a positioning shaft (71), which penetrates the lower cover (4) and is inserted into the positioning hole (111). A second bearing (12) is arranged between the lower cover (4) and the lower end cover (11) to realize the rotation of the lower cover (4) relative to the lower end cover (11).

4. A screen roller blind system according to claim 3, wherein, The lower cover (4) is connected with a clamping sleeve (13) sleeved on the outer side of the connecting shaft (6), the clamping sleeve (13) is provided with an insertion part (131), and the lower cover (4) is provided with an insertion groove matched with the insertion part (131) to insert and fix the lower cover (4) and the clamping sleeve (13).

5. A screen roller blind system according to claim 4, wherein, The connecting shaft (6) is provided with an annular groove (63), and a C-shaped buckle (64) is clamped on the annular groove (63). The outer diameter of the C-shaped buckle (64) is larger than the upper hole diameter of the clamping sleeve (13) to limit the clamping sleeve (13).

6. A screen roller blind system according to claim 4, wherein, The clamping sleeve (13) is provided with a plurality of clamping teeth (132) on the outer periphery, and the roller cover (1) is provided with a limiting groove (101). The clamping teeth (132) and the limiting groove (101) cooperate to drive the clamping sleeve (13) and the lower cover (4) to rotate with the roller cover (1).

7. A screen roller blind system according to claim 6, wherein, The clamping part (31) is provided with a groove (311) matched with the limiting groove (101) to drive the upper cover (3) to rotate with the roller cover (1) through the cooperation of the groove (311) and the limiting groove (101).

8. The screen roller blind system of claim 4, wherein, A rubber ring (14) is arranged between the lower end cover (11) and the clamping sleeve (13) to reduce the friction.

9. The screen roller blind system of claim 2, wherein, The roller outer frame (9) includes a first frame body (91) and a second frame body (92) clamped with each other. The upper and lower ends of the first frame body (91) and the second frame body (92) are respectively connected with an upper frame plate (93) and a lower frame plate (94) to form a containing cavity for installing a screen roller.

10. A screen roller blind system according to claim 9, wherein, The upper frame plate (93) and the lower frame plate (94) are respectively provided with sliding grooves (95) for mounting the upper end cover (8) and the lower end cover (11), and the sliding grooves (95) are provided with baffles (96) above, when the upper end cover (8) and the lower end cover (11) slide into the sliding grooves (95), the upper end cover (8) and the lower end cover (11) are blocked by the baffles (96) and prevented from being separated from the sliding grooves (95) in the vertical direction.

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