TWM525145U - Curtain pulley set structure - Google Patents

Description

Curtain pulley block structure

The present invention provides a curtain pulley block structure, especially a curtain pulley block structure design by controlling the moving distance between two sets of pulley blocks so that the curtain automatically forms a bokeh.

Referring to FIG. 1 , there is shown a schematic view of a conventional pulley block 10 for a folding curtain. The plurality of pulley blocks 10 can be mounted in a sliding rail 11 and can be hooked to the pulleys 10 of the pulley block 10 by hooks 12 . Each of the pulley blocks 10 has a slider 14 , and each of the sliders 14 is pivotally disposed with a pair of oppositely disposed rollers 16 in a width direction thereof, and each slider 14 has a buckle 17 at the bottom thereof. A hook 171 is provided to provide the hook of the hook 12, and a guide 141 is disposed on the top of the slider 14. The guide 141 has a guiding slot 142 in a direction perpendicular to the pivoting direction of the roller 16, and the guiding slot 142 The bottom wall is formed with a notch 143, and the upper end of the two side walls of the guiding groove 142 is provided with a stopping portion 144; and each of the pulley blocks 10 further includes a limiting piece 18 coupled to the sliding block 14, each of the distances The sheet 18 has a first end 181 that can be inserted into the top guide groove 142 of the slider 14 and a second end 182 extending from the first end 181. The second end 182 is provided with a resisting block 183 on the top surface. The second end 182 of the spacer 18 of each pulley block 10 penetrates into the guide groove 142 at the top of the slider 14 of the adjacent pulley block 10 and is stacked on the adjacent side. When the slider 14 is coupled to the spacer 18, when the spacer 18 of a pulley block 10 is pulled apart by the sliding of the slider 14, the second end 182 of the spacer 18 of each pulley block 10 is abutted. The block 183 will abut the stop portion 144 of the adjacent side slider 14 to control the distance between the adjacent sliders 14 to increase the amount of the curtain 13 Restricted, and the hook 12 of each pulley block 10 hooks the curtain 13 by a distance greater than the feasible spacing between the adjacent two pulley blocks 10, so that the curtain forms a wavy vertice.

With regard to the pulley block structure for the above-described conventional bokeh blind, although the wavy bokeh effect can be generated by the provision of the limiter, the conventional pulley block structure is implemented in the bokeh effect for the curtain to be unfolded or folded. There are issues of concern that exist. That is, the pulley block structure for the above-described bokeh blind is provided on the hook 12, and since the lug 17 at the bottom of each slider 14 is designed to form only a predetermined direction of penetration, even if the component having the loop 171 is provided, the hook The rotation amplitude of 12 with respect to each slider 14 is still limited, so that when the curtain 13 is stretched to cover the door and window, each hook 12 cannot be rotated in the wave wrinkle direction after the curtain 13 is stretched, so that the curtain 13 is The folding effect produces an improper curvature and affects the appearance, and the curtain 13 is folded at the same time; in addition, the spacer 18 is disposed at the top of each of the sliders 14, and when the pulley blocks 10 are separated by two, the restricted spacers 18 When the mutual pull is restricted, the pulling force is limited to the top of each slider 14. This will cause the slides 14 to slide obliquely, which may cause the pulley blocks 10 to slide in an improper force direction, and the pulley block 10 is easily The roller 16 has a lack of damage due to improper wear.

Therefore, the main purpose of the present invention is to provide a curtain pulley structure, which can provide the hanging of the curtain and the active hooking direction, thereby improving the curtain folding effect; The pulley block has a stable pulley block slip implementation, which has the advantage of reducing the wear rate.

The present invention is a specific structure and technical means for achieving the above purpose, and mainly includes a slider slidably disposed in the curtain track, a limit spacer correspondingly coupled to the slider, and a pivotable pivoting bottom of the slider a connecting piece; the top of the slider has a guiding groove, and two of the guiding grooves The upper end of the inner side of the side wall is provided with a stopping portion. The top and the bottom of the sliding block have an accommodating space extending through the block body, and the bottom of the sliding block has a carrier plate, and the carrier plate has a top and bottom through to the accommodating space. a through hole having a first end engageable in the top guide groove of the slider and a second end extending from the first end, the second end top surface having a resisting block; the connecting piece The upper end separated in a vertical direction and the lower end which can extend through the through hole, and the upper end of the connecting member has an annular protruding portion, and the upper end and the lower end have a through portion extending transversely through the body.

In a preferred embodiment, the carrier further includes at least one connecting portion that will be used to engage a lanyard.

Preferably, the connecting portion is a projection having a groove extending toward the outside of the carrier plate, the slit being used to clamp and engage the limit rope.

Preferably, the limit rope is a bead chain provided with a plurality of beads spaced apart, and the connecting portion is sandwiched between the two beads of the bead chain.

In a preferred embodiment, the through portion of the connecting member extends upwardly to the upper end to form an opening.

10‧‧‧ pulley block

11‧‧‧Slide rails

12‧‧‧ hook

13‧‧‧ Curtain

14‧‧‧ Slider

141‧‧ ‧ guide

142‧‧

143‧‧‧ notch

144‧‧‧stop

15‧‧‧ shaft

16‧‧‧Roller

17‧‧‧ 扣耳

171‧‧‧ rings

18‧‧‧Limited tablets

181‧‧‧ first end

182‧‧‧ second end

183‧‧‧

20‧‧‧ pulley block

21‧‧‧ accommodating space

22‧‧‧ Slider

23‧‧‧ Carrier Board

232‧‧‧Perforation

24‧‧‧ shaft

25‧‧‧Connecting Department

252‧‧‧ slotting

26‧‧‧ pulley

28‧‧‧Guide

282‧‧‧ notch

284‧‧‧ side wall

286‧‧‧stop

31‧‧‧ Department of Wear

32‧‧‧Connecting parts

33‧‧‧ rings

34‧‧‧Upper

36‧‧‧Bottom

38‧‧‧Protruding

42‧‧‧ Curtain track

62‧‧‧Limited tablets

64‧‧‧ first end

642‧‧‧Card Bamboo Shoots

644‧‧‧ Positioning Department

66‧‧‧second end

662‧‧‧

82‧‧‧Limited rope

84‧‧‧ beads

Fig. 1 is a schematic view showing the implementation of a pulley block for a conventional folding curtain.

Fig. 2 is a perspective view showing an embodiment of the present invention.

Figure 3 is an exploded perspective view of the creation.

Figure 4 is a cross-sectional view of the creation according to the pulley shaft.

Figure 5 is a perspective partial exploded view of another embodiment of the connector of the present invention.

Other objects, advantages and features of the present invention will become apparent from the following description of the preferred embodiments.

Please refer to Figures 2 to 4 to show the structure of the curtain pulley block used for the folding curtains. The curtain pulley block 20 mainly has a slider 22 that can be assembled in a curtain rail 42 , a distance limiting piece 62 corresponding to each slider 22 and a retractable distance rope 82 , and a rotatably connected shaft The connecting member 32 of the slider 22 and the like are configured; wherein the slider 22 is oppositely coupled to the two pulleys 26 by a shaft 24 on both sides of the thickness direction, and the slider 22 can be slid in the rail 42 by the pulley 26 The top of the slider 22 has a guide groove 28 extending in the sliding direction of the slider 22 and having a U-shaped cross section. The bottom surface of the guide groove 28 is formed with a notch 282, and the inner faces of the two side walls 284 of the guide groove 28 are at the upper end. A stop portion 286 extending toward the inside of the guide groove 28 is provided, and a receiving space 21 extending through the block body is disposed between the top and the bottom of the slider 22 and a carrier plate 23 is disposed at the bottom of the slider 22 The carrier 23 has a through hole 232 extending up and down to the accommodating space 21; further, the carrier 23 further includes at least one connecting portion 25, as shown in FIG. 2 and FIG. 4, the connecting portion 25 It will be used to engage the limit rope 82. In a possible embodiment, the connecting portion 25 faces the pulley according to the side or bottom of the carrier 23. a protruding portion extending in the direction of the 26, and the protruding portion has a groove 252 for clamping and fixing the distance adjusting wire 82. In the figure, the two connecting portions 25 are oppositely disposed on both sides of the carrier plate 23, and The lanyard cord 82 is preferably a bead chain, and the connecting portion 25 is sandwiched between the two beads 84 of the bead chain 82 to restrict the slider 22 to the two beads 84 of the lanyard 82. between.

The spacer 62 is a strip having a predetermined length and passing through the top guide groove 28 of the slider 22. The slider 22 is preferably integrally formed of a plastic material, and the spacer 62 is insertable. The card is coupled to the first end 64 in the top guide slot 28 of the slider 22 and the second end 66 formed by the first end 64. The bottom surface of the first end 64 has a card engageable with the recess 282. Bamboo shoot 642, The spacer 62 is formed by fitting the card 642 into the recess 282 of the corresponding slider 22, and a positioning portion of the stepped portion can be formed on the top surface of the first end 64. When the spacer 62 is formed into a fitting with the slider 22, the positioning portion 644 is fixed to the stopper portion 286 of the slider 22 to be positioned, so that the first end 64 of the spacer 62 is provided. The restriction is positioned between the bottom surface of the guiding groove 28 and the stopping portion 286, and the top surface of the second end 66 of the limiting piece 62 is provided with a resisting block 662.

The connecting member 32 is a columnar body and includes an upper end 34 spaced apart in a vertical direction thereof and a lower end 36 rotatably extending through the through hole 232 of the slider 22 carrier plate 23. The upper end 34 extends outward to form a ring. Between the upper end 34 and the lower end 36 of the connecting member 32, there is a through portion 31 extending transversely through the body of the connecting member 32. The through portion 31 can provide a hanging of the lifting ring 33 and thereby The hook hook of a hook 12 is provided with a curtain (not shown), and the connecting member 32 can be disposed in the receiving space 21 of the slider 22 such that the lower end 36 thereof extends through the through hole 232 of the carrier 23 The lifting eye 33.

The guide groove 28 at the top of the slider 22 of each of the curtain stacks 20 of the present invention has a guide groove 28 for providing the sliding of the adjacent curtain block 20 at the same time, in addition to providing the corresponding first end 64 of the spacer. The second end 66 of the spacer 62 that is assembled by the block 22 is sleeved; that is, the plurality of curtain pulleys 20 are stored in a curtain track 42, and the plurality of spacers 62 of the plurality of curtain pulleys 20 are corresponding to each other. The curtain pulley sets 20 are fitted to each other by the second end 66 of the spacer 62, so that the second end 66 of each of the curtain pulley sets 20 is inserted into the guide groove of the top of the slider 22 of the adjacent side curtain block 20 28 is stacked on the first end 64 of the spacer 62 of the adjacent side slider 22, and the connecting portion 25 of each curtain pulley 20 is sequentially clamped according to the predetermined distance of the spacer 62. The distance rope 82; thereby, when the curtain pulleys 20 are operated to be deployed with the curtain, the distance between the adjacent curtain pulleys 20 will be controlled by the distance gauges 62 and the limit ropes 82, that is, , the limit rope 82 and Each of the spacers 62 is pulled apart with the sliding of the sliders 22, and the abutting block 662 on the second end 66 of any of the spacers abuts against the positioning portion 644 of the spacer 62 of the adjacent side curtain block 20 (or The outer side of the stop portion 286) of the adjacent side curtain pulley block 20 slider 22 may be positioned to individually limit the spacing of the adjacent curtain pulley blocks 20 connected by the distance limiting piece 62, and each curtain pulley set 20 slider The predetermined distance between the connecting portion 25 of the 22 and the limiting rope 82 also limits the sliding distance between the two adjacent curtain pulley blocks 20, so that the curtain curtain automatically forms a wave according to the spacing of the adjacent curtain pulley blocks 20. Folding.

Therefore, according to the curtain formed by the creation structure, when the curtain is folded so that the curtain pulleys 20 are adjacent to each other, the connecting members 32 of the curtain pulleys 20 will be rotated by the curtain to rotate by themselves, and the curtain can be There is a smooth wavy bokeh effect, there is no poor distortion caused by the limitation of rotation; and when the curtain is unfolded, the distance between adjacent two curtain pulley sets 20 is limited by the length of the distance piece 62 and the limit rope 82, so that after the curtain is fully deployed, the curtains placed between the two adjacent curtain pulley sets 20 will automatically form an equidistant and wavy fold, and the connecting members 32 of each curtain pulley 20 can also be subjected to the curtain. Pulling and turning, the curtain can still have a smooth wave bokeh effect. When the top and bottom of each of the curtain block 20 sliders 22 are provided with a distance limiting member (the distance limiting piece 62 and the distance limiting rope 82), the sliding of each of the curtain pulley blocks 20 can be relatively stable, thereby reducing the sliding of the curtain pulley block 20 Improper wear and tear.

In the foregoing description, the present invention has been described in terms of a preferred embodiment, and various changes and modifications may be made in the technical features disclosed herein. For example, in the present invention, the through portion 31 of the main body of the connecting member 32 can be extended to the upper end 34 to form an opening shape, as shown in FIG. 5, and after the upper end 34 of the connecting member 32 is pressed, the inner portion 34 can be retracted. The projection 38 of the upper end 34 of the connecting member 32 is inserted into the through hole 232 of the carrier 23 for positioning. Therefore, obvious substitutions and modifications to those skilled in the art will still be incorporated in the scope of the patent claimed herein.

20‧‧‧ pulley block

21‧‧‧ accommodating space

22‧‧‧ Slider

23‧‧‧ Carrier Board

232‧‧‧Perforation

24‧‧‧ shaft

25‧‧‧Connecting Department

252‧‧‧ slotting

26‧‧‧ pulley

28‧‧‧Guide

282‧‧‧ notch

284‧‧‧ side wall

286‧‧‧stop

31‧‧‧ Department of Wear

32‧‧‧Connecting parts

33‧‧‧ rings

34‧‧‧Upper

36‧‧‧Bottom

38‧‧‧Protruding

62‧‧‧Limited tablets

64‧‧‧ first end

642‧‧‧Card Bamboo Shoots

644‧‧‧ Positioning Department

66‧‧‧second end

662‧‧‧

Claims (9)

The utility model relates to a curtain pulley block structure, comprising: a slider which can be sleeved in a curtain track, the top of the slider has a guiding groove, and the inner side of the two side walls of the guiding groove is provided with a stopping portion, the top and the bottom of the slider An accommodating space extending through the block, the bottom of the slider has a carrier plate having a through hole penetrating up and down to the accommodating space; a spacer piece having a detachable piece a first end in the guide groove of the slider top end and a second end formed by the first end, the second end top surface has a resisting block; and a connecting member pivotally connected to the through hole, the connection The member has an upper end spaced apart in a vertical direction and a lower end extendable through the through hole. The upper end has an annular projection having a through portion extending transversely through the connector body. The curtain pulley block structure of claim 1, wherein the carrier plate further comprises a connecting portion that is to be used to engage a limit rope. The curtain pulley block structure of claim 2, wherein the connecting portion is a slotted protrusion extending outside the carrier plate, and the slot is used for clamping and engaging the limit rope. . The curtain pulley block structure of claim 3, wherein the limit rope is a bead chain with a plurality of beads arranged at intervals. The curtain pulley block structure of claim 1, wherein the top surface of the first end of the restricting piece is formed with a stepped positioning portion. The curtain pulley assembly structure of claim 1, wherein the bottom surface of the guiding groove is formed with a notch, and the bottom surface of the first end of the limiting piece has a bamboo shoot which is engaged with the notch of the sliding block. The curtain pulley assembly structure of claim 1, wherein the slider has a pulley for sliding in the curtain track. The curtain pulley assembly according to claim 1, wherein the connecting portion of the connecting member extends upwardly to the upper end of the connecting member to form an opening. The curtain pulley block structure of claim 1 or 8, wherein the connecting member further comprises a lifting ring disposed on the wearing portion.