CN220687207U - Ball moving device of telescopic curtain - Google Patents

Abstract

The utility model discloses a ball moving device of a telescopic curtain, which comprises a box body, a transmission assembly and a curtain sheet clamp; the inside of the box body forms a cavity, the transmission component is arranged in the cavity, and the curtain sheet clamp is rotationally connected with the box body and is in transmission connection with the transmission component; two pairs of through holes communicated with the cavity are formed in two opposite sides of the box body, the transmission assembly comprises two transmission gears meshed with each other, and two ends of each transmission gear are rotatably arranged in the through holes; the transmission gear drives the curtain sheet clamp to rotate. The ball moving device is suitable for the telescopic curtain, and the dimming rod is telescopic, so that the two transmission gears are arranged, at least one transmission gear is meshed with the outer rod of the dimming rod, and the condition that the dimming rod cannot control the curtain sheet clamp is avoided.

Description

Ball moving device of telescopic curtain

Technical Field

The utility model relates to a ball moving device of a telescopic curtain.

Background

The bead running device in the electric curtain is mainly used for hanging curtain blades or curtain cloth on a curtain rail, and the curtain blade clamp on the bead running device is driven to rotate through rotation of the dimming rod, so that the angle of sunlight entering is adjusted. Conventional motorized window treatments are not telescoping, and require customization when a particular size is desired, and more space is required for transportation. The applicant has developed a retractable curtain, and because of its retractable arrangement, the existing bead device cannot be driven by the dimming rod during use, so that a bead device capable of being adapted to the retractable curtain is required.

Disclosure of Invention

The utility model aims to provide a ball moving device of a telescopic curtain, which aims to solve the technical problems in the background art.

The technical scheme for realizing the aim of the utility model is as follows: a ball moving device of a telescopic curtain comprises a box body, a transmission assembly and a curtain sheet clamp; the inside of the box body forms a cavity, the transmission component is arranged in the cavity, and the curtain sheet clamp is rotationally connected with the box body and is in transmission connection with the transmission component; two pairs of through holes communicated with the cavity are formed in two opposite sides of the box body, the transmission assembly comprises two transmission gears meshed with each other, and two ends of each transmission gear are rotatably arranged in the through holes; the transmission gear drives the curtain sheet clamp to rotate.

Further, the transmission gear comprises a rotating shaft with a hollow interior and a gear ring sleeved on the peripheral surface of the rotating shaft and integrally formed with the rotating shaft; the two ends of the rotating shaft are rotatably arranged in the through holes.

Further, the cross section of the inner side wall of the rotating shaft is polygonal.

Further, the transmission assembly further comprises a worm wheel and a worm; the two worms are respectively fixed on the rotating shafts of the two transmission gears, are positioned on two sides of the worm wheel and are matched with the worm wheel; the worm wheel is fixedly connected with the curtain sheet clamp.

Further, a plurality of positioning convex ribs are uniformly arranged on the inner side wall of the worm along the axial direction, at least one positioning convex rib is arranged on the outer peripheral surface of the rotating shaft, and two adjacent positioning convex ribs are matched with the positioning convex ribs; when the worm is fixed on the transmission gear, the positioning convex strips are inserted between two adjacent positioning convex ribs.

Further, the upper end of the box body is provided with a cover plate for closing the cavity, and the cover plate is detachably connected with the box body through a buckle.

Further, the worm wheel is of a hollow annular structure, a positioning block is arranged on the inner side wall of the worm wheel, and an arc-shaped rotation limiting block which is attached to the inner side wall of the worm wheel is arranged on the lower surface of the cover plate; the locating block and the rotation limiting block are matched to enable two limit positions to exist when the worm wheel rotates.

Further, a fixing hole and a stop block are arranged at the lower end of the box body, a gap is formed between the stop block and the box body, and a bead distance piece is arranged in the gap in a penetrating manner; the ball moving distance piece is movably connected with the notch.

Further, one end of the ball moving distance piece is provided with a fixed rod matched with the fixed hole, and the other end of the ball moving distance piece is provided with a limiting block matched with the stop block; when the telescopic curtain is in a pulled-out state, the limiting block of the ball moving distance piece is abutted with the stop block.

Further, the two sides of the length direction of the box body are fixedly provided with box body rollers, the box body rollers are arranged in two layers, and the radiuses of the two layers are inconsistent.

By adopting the technical scheme, the utility model has the following beneficial effects:

(1) The ball moving device is suitable for the telescopic curtain, and the dimming rod is telescopic, so that the two transmission gears are arranged, at least one transmission gear is meshed with the outer rod of the dimming rod, and the condition that the dimming rod cannot control the curtain sheet clamp is avoided.

(2) Because the utility model has two transmission gears, one of which can not be matched with the light adjusting rod, the two worm gears are also arranged, and the transmission direction is changed by adopting the matching of the worm gears and the worm, so that the rotation of the curtain sheet clamp is better controlled.

(3) The cross section of the inner side wall of the rotating shaft is polygonal, so that the transmission is smoother, and the abrasion of the dimming rod can be prevented.

(4) The utility model uses the cooperation of the positioning convex rib and the positioning convex rib to ensure that the worm and the transmission gear synchronously rotate, thereby preventing the situation that the transmission gear rotates and can not drive the worm to rotate.

(5) The cover plate is provided with the rotation limiting block, so that two limit positions exist in the curtain sheet clamp during rotation, the limit positions of the rotation of the curtain sheet clamp during opening and closing of the telescopic curtain each time are fixed through adjustment during installation, and the use comfort is improved.

(6) The lower end of the box body is provided with the structure matched with the bead distance pieces, so that when the telescopic curtain is in a pulled-open state, the maximum distance between every two bead devices is limited by the bead distance pieces, and the condition that gaps exist between curtain pieces due to overlarge distance between the bead devices and the use is influenced is prevented.

(7) The box body is provided with the box body roller wheels, so that the ball moving device can slide more conveniently in the track of the telescopic curtain, and the box body roller wheels are arranged into double layers with inconsistent radiuses, so that the ball moving device is more stable when the inner track and the outer track are switched in the track operation of the telescopic curtain, and the ball moving device cannot jolt or be blocked.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of another direction of the present utility model.

Fig. 3 is a schematic structural view of a transmission assembly according to the present utility model.

Fig. 4 is a schematic structural view of the cover plate of the present utility model.

Fig. 5 is a schematic view of the structure of the transmission gear and worm wheel of the present utility model.

Fig. 6 is a schematic structural view of the distance piece for moving beads according to the present utility model.

Fig. 7 is a schematic structural diagram of the rolling device of the present utility model mated with the rolling distance piece after being pulled apart.

The reference numerals in the drawings are: the device comprises a box body 1, a through hole 1-1, a fixing hole 1-2, a stop block 1-3, a box body roller 1-4, a transmission assembly 2, a transmission gear 2-1, a positioning convex strip 2-1-1, a curtain sheet clamp 3, a worm wheel 4, a positioning block 4-1, a worm 5, a positioning convex strip 5-1, a cover plate 6, a rotation limiting block 6-1, a notch 7, a ball moving distance piece 8, a fixing rod 8-1 and a limiting block 8-2.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the inventive product is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Example 1

See fig. 1-7, a bead device of flexible curtain, including box 1, drive assembly 2 and curtain piece anchor clamps 3, box 1 wholly becomes the rectangle box, and inside forms the cavity, and drive assembly 2 sets up in the cavity, and curtain piece anchor clamps 3 pass the bottom surface of box 1 and rotate with box 1 to be connected with drive assembly 2 transmission.

The two sides of the box body 1 in the length direction are fixedly provided with box body rollers 1-4, so that the ball moving device can conveniently slide in the track. The rolling device is used for the telescopic curtain, the track of the telescopic curtain has a height difference at the switching position of the inner track and the outer track, and the general case body roller 1-4 can jolt or block when passing through, so the case body roller 1-4 is arranged into a double layer, the radiuses of the two layers are inconsistent, one layer is matched with the outer track of the track, the other layer is matched with the inner track of the track, and the switching position of the inner track and the outer track can pass through stably.

The transmission assembly 2 comprises two transmission gears 2-1, a worm wheel 4 and two worms 5, two pairs of through holes 1-1 communicated with the cavity are formed in two sides of the box body 1 in the thickness direction, and two ends of each transmission gear 2-1 are rotatably arranged in the through holes 1-1. The transmission gear 2-1 comprises a rotating shaft with a hollow interior and a gear ring sleeved on the outer peripheral surface of the rotating shaft and integrally formed with the rotating shaft, two ends of the rotating shaft are rotatably arranged in the through hole 1-1, and the gear rings of the two transmission gears 2-1 are meshed with each other. The two worms 5 are respectively fixed on the rotating shaft of the transmission gear 2-1, the inner side walls of the worms 5 are uniformly provided with a plurality of positioning convex ribs 5-1 along the axial direction, the outer circumferential surface of the rotating shaft is provided with at least one positioning convex rib 2-1-1, and two adjacent positioning convex ribs 5-1 are matched with the positioning convex ribs 2-1-1. When the worm 5 is fixed on the transmission gear 2-1, the positioning convex strips 2-1-1 are inserted between two adjacent positioning convex strips 5-1, and when the transmission gear 2-1 rotates, the worm 5 is driven to rotate together. The worm wheel 4 is arranged between the two worm rods 5 and is matched with the worm rods 5, the lower part of the worm wheel 4 is fixedly connected with the upper part of the curtain sheet clamp 3, the middle part of the curtain sheet clamp 3 is rotationally connected with the bottom of the box body 1, the lower part of the curtain sheet clamp is provided with a clamp for clamping a curtain sheet, and the rotation axis of the worm rods 5 is perpendicular to the rotation axis of the worm wheel 4. Therefore, when the transmission gear 2-1 rotates, the worm wheel 4 can be driven to rotate, so that the clamp on the curtain sheet clamp 3 is driven to rotate.

The ball running device of the embodiment is suitable for a telescopic curtain, and a dimming rod of the telescopic curtain passes through and is matched with the rotating shaft of the transmission gear 2-1. In order to make the dimming rod better fit with the rotating shaft 4-1, the cross section of the inner side wall of the rotating shaft is arranged in a polygon shape, and the cross section of the inner side wall of the rotating shaft is arranged in a hexagonal row shape in the embodiment.

The upper end of the box body 1 is provided with a cover plate 6 for closing the cavity, and the cover plate 6 is connected with the box body 1 through a buckle.

Referring to fig. 3 and 4, the worm wheel 4 is provided in a hollow ring structure, and a positioning block 4-1 is provided on an inner side wall. An arc-shaped rotation limiting block 6-1 attached to the inner side wall of the worm wheel 4 is arranged on the lower surface of the cover plate 6, and the rotation limiting block 6-1 extends into the upper portion of the worm wheel 4. When the worm wheel 4 rotates, no matter which direction the worm wheel 4 rotates, after a certain distance of rotation, the positioning block 4-1 rotates to clamp the limiting block 6-1, so that two limit positions exist when the worm wheel 4 rotates, and therefore, the curtain sheet clamp 3 also exists at two limit positions when rotating.

Referring to fig. 2, 6 and 7, a fixing hole 1-2 and a stop block 1-3 are arranged at the lower end of the box body 1, a gap 7 is formed between the stop block 1-3 and the box body 1, and a bead distance piece 8 is arranged in the gap 7 in a penetrating manner. One end of the ball moving distance piece 8 is provided with a fixing rod 8-1, and the fixing rod 8-1 is matched with the fixing hole 1-2 to fix one end of the ball moving distance piece 8 on the ball moving device. The other end of the bead distance piece 8 is provided with a limiting block 8-2, the limiting block 8-2 is matched with a stop block 1-3 on another adjacent bead device, and when the telescopic curtain is pulled to the maximum extent, the limiting block 8-2 of the bead distance piece 8 is abutted with the stop block 1-3.

In order to prevent mutual influence between the bead distance pieces 8 when the telescopic curtain is retracted, fixing holes 1-2 and stop blocks 1-3 are arranged on two sides of the lower end of the box body 1, and the bead distance pieces 8 are arranged in a staggered mode.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a walk pearl device of flexible curtain which characterized in that: comprises a box body (1), a transmission component (2) and a curtain sheet clamp (3); the inside of the box body (1) forms a cavity, the transmission assembly (2) is arranged in the cavity, and the curtain sheet clamp (3) is rotationally connected with the box body (1) and is in transmission connection with the transmission assembly (2); two pairs of through holes (1-1) communicated with the cavity are formed in two opposite sides of the box body (1), the transmission assembly (2) comprises two transmission gears (2-1) meshed with each other, and two ends of each transmission gear (2-1) are rotatably arranged in the through holes (1-1); the transmission gear (2-1) drives the curtain sheet clamp (3) to rotate.

2. The retractable curtain bead apparatus of claim 1, wherein: the transmission gear (2-1) comprises a rotating shaft with a hollow interior and a gear ring sleeved on the peripheral surface of the rotating shaft and integrally formed with the rotating shaft; the two ends of the rotating shaft are rotatably arranged in the through hole (1-1).

3. The retractable curtain bead apparatus of claim 2, wherein: the cross section of the inner side wall of the rotating shaft is polygonal.

4. The retractable curtain bead apparatus of claim 2, wherein: the transmission assembly (2) further comprises a worm wheel (4) and a worm (5); the two worms (5) are respectively fixed on the rotating shafts of the two transmission gears (2-1), and the two worms (5) are positioned at two sides of the worm wheel (4) and are matched with the worm wheel (4); the worm wheel (4) is fixedly connected with the curtain sheet clamp (3).

5. The retractable curtain runner apparatus of claim 4, wherein: the inner side wall of the worm (5) is uniformly provided with a plurality of positioning convex ribs (5-1) along the axial direction, the outer circumferential surface of the rotating shaft is provided with at least one positioning convex rib (2-1-1), and the two adjacent positioning convex ribs (5-1) are matched with the positioning convex ribs (2-1-1); when the worm (5) is fixed on the transmission gear (2-1), the positioning convex strips (2-1-1) are inserted between two adjacent positioning convex strips (5-1).

6. The retractable curtain runner apparatus of claim 4, wherein: the upper end of the box body (1) is provided with a cover plate (6) for closing the cavity, and the cover plate (6) is detachably connected with the box body (1) through a buckle.

7. The retractable curtain runner apparatus of claim 6, wherein: the worm wheel (4) is of a hollow annular structure, a positioning block (4-1) is arranged on the inner side wall, and an arc-shaped rotation limiting block (6-1) attached to the inner side wall of the worm wheel (4) is arranged on the lower surface of the cover plate (6); the positioning block (4-1) is matched with the rotation limiting block (6-1) to enable the worm wheel (4) to have two limit positions when rotating.

8. The retractable curtain bead apparatus of claim 1, wherein: the lower end of the box body (1) is provided with a fixing hole (1-2) and a stop block (1-3), a gap (7) is formed between the stop block (1-3) and the box body (1), and a bead distance sheet (8) is arranged in the gap (7) in a penetrating way; the ball moving distance piece (8) is movably connected with the notch (7).

9. The retractable curtain runner apparatus of claim 8, wherein: one end of the ball moving distance piece (8) is provided with a fixed rod (8-1) matched with the fixed hole (1-2), and the other end is provided with a limiting block (8-2) matched with the stop block (1-3); when the telescopic curtain is in a pulled-open state, a limiting block (8-2) of the ball moving distance piece (8) is abutted with the stop block (1-3).

10. The retractable curtain bead apparatus of claim 1, wherein: the two sides of the length direction of the box body (1) are fixedly provided with box body rollers (1-4), the box body rollers (1-4) are arranged in two layers, and the radiuses of the two layers are inconsistent.