CN210158457U

CN210158457U - Smooth and easy gliding (window) curtain guide rail pulley

Info

Publication number: CN210158457U
Application number: CN201920732107.3U
Authority: CN
Inventors: 林中华
Original assignee: Chengdu Ruida Decoration Materials Co Ltd
Current assignee: Chengdu Ruida Decoration Materials Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-20
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a curtain guide rail pulley capable of sliding smoothly, which comprises a guide rail with an opening at the bottom and a pulley part, wherein the pulley part comprises a bracket and pulley blocks positioned on the bracket, two pulley blocks are arranged on the bracket, the two pulley blocks are arranged up and down, two groups of tracks are arranged in the guide rail up and down, the two pulley blocks are respectively arranged on the two groups of tracks, and the bracket extends out from the opening at the bottom of the guide rail; the pulley block comprises two pulleys symmetrically arranged relative to the support, and the two pulleys can move relative to the support, so that the distance between the two pulleys is adjustable. The utility model discloses can smoothly slide during the application, and bearing capacity obtains promoting, and the pulley part is dismantled and is changed simple and conveniently in addition, and is applicable to the guide rail of more specifications.

Description

Smooth and easy gliding (window) curtain guide rail pulley

Technical Field

The utility model relates to the field of curtain accessories, in particular to a curtain guide rail pulley capable of sliding smoothly.

Background

The curtain rail is generally fixed at a certain height near the window and is matched with the pulley block for use, the pulley is assembled in the curtain rail and is arranged in a sliding way along the curtain rail, and a hanging ring for connecting the curtain is arranged below the pulley block so as to drive the curtain to move to realize the folding and unfolding of the curtain.

The assembly pulley still need bear the weight of (window) curtain except drawing (window) curtain slip, and the assembly pulley among the prior art is generally including pulley bracket and a pair of pulley that is located pulley bracket, and single pulley is stressed greatly, and its frictional force with the track is also big for the pulley slides smoothly inadequately, appears blocking easily at the in-process that uses, is difficult for realizing the exhibition of (window) curtain, has also accelerated the wearing and tearing of pulley simultaneously, leads to assembly pulley life to subtract for short. In addition, in order to keep the connection between the curtain and the track reliable, more pulley blocks are installed in the curtain track, and in order to prevent the pulleys from sliding out of the track, both ends of the curtain track are provided with plugs, however, once one of the pulley blocks is damaged, the pulley in front of the pulley block needs to be taken down from the curtain track, the damaged pulley block can be taken down, and the replacement is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve prior art's above-mentioned problem, provide a smooth and easy gliding (window) curtain guide rail pulley, can smoothly slide when it uses, and bearing capacity obtains promoting, and the pulley spare is dismantled and is changed simple and conveniently in addition, and is applicable to the guide rail of more specifications.

The purpose of the utility model is mainly realized through the following technical scheme:

a curtain guide rail pulley capable of sliding smoothly comprises a guide rail with an opening at the bottom and a pulley part, wherein the pulley part comprises a bracket and pulley blocks arranged on the bracket; the pulley block comprises two pulleys symmetrically arranged relative to the support, and the two pulleys can move relative to the support, so that the distance between the two pulleys is adjustable.

Preferably, the bracket is provided with two through holes for correspondingly installing two pulley blocks, the inner wall of each through hole is provided with two racks in a horizontally movable manner, the moving directions of the two racks are opposite, the two racks are positioned at the same height and symmetrically arranged in opposite directions, one ends of the two racks extend out of the through holes and are respectively connected with connecting rods, two pulleys of the through holes corresponding to the pulley blocks are respectively sleeved on the two connecting rods, and the tail ends of the connecting rods are provided with plugs; the support is rotatable to be equipped with the pivot, and pivot one end stretches into two through-holes that run through in the support, and the pivot is located to be equipped with the gear on the shaft part in the through-hole, and the gear all meshes with two racks in the through-hole, and the pivot other end stretches out leg joint and has the link.

Preferably, the same high symmetry of through-hole inner wall is equipped with two spouts, and the spout both ends extend to the through-hole mouth respectively, and two racks hold respectively in the spout and can remove in the spout.

Preferably, the plug is detachably connected with the connecting rod.

Preferably, one side of the plug, which faces away from the connecting rod, is provided with a ball.

To sum up, the utility model discloses following beneficial effect has:

1. the upper pulley block and the lower pulley block are arranged, so that the sliding smoothness of the pulley part is improved, the stress of the two pulley blocks is increased, and the bearing capacity of the pulley part is improved.

2. The pulley passes through the rack and is connected with the through-hole, and the rack is driven by the pivot and is removed for two pulleys of assembly pulley are apart from adjustable, and the assembly pulley can be followed guide rail bottom opening and is dismantled the change, and is simple and convenient, can also be applicable to the guide rail of more specifications in addition.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a longitudinal sectional view of a bracket according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a stent according to an embodiment of the present invention.

In the figure: 1-guide rail, 2-bracket, 3-track, 4-pulley, 5-through hole, 6-rack, 7-connecting rod, 8-plug, 9-rotating shaft, 10-gear, 11-chute, 12-ball, 13-locking piece, 14-annular groove and 15-thread section.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are intended to be inclusive and mean, for example, that is, fixedly coupled, removably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

a curtain guide rail pulley capable of sliding smoothly is shown in figure 1 and comprises a guide rail 1 with an opening at the bottom and a pulley piece, wherein the pulley piece comprises a support 2 and a pulley block arranged on the support 2. The bracket 2 is provided with two pulley blocks which are arranged up and down, two groups of rails 3 are arranged in the guide rail 1 up and down, and the two pulley blocks are respectively arranged on the two groups of rails 3 and can slide along the rails 3 so as to drive the pulley pieces to move relative to the guide rail 1. The size of the bracket 2 is smaller than that of the opening at the bottom of the guide rail 1, and the bottom end of the bracket 2 extends out of the opening at the bottom of the guide rail 1 and is connected with a hanging ring for hanging a curtain. A plurality of pulley pieces are arranged in the guide rail 1, a curtain is hung on a hanging ring at the bottom of the pulley piece support 2, and force is applied to the pulley pieces through serial connection, so that the pulley pieces move to realize opening and closing of the curtain. Through two assembly pulleys about setting up on support 2, increased the smooth and easy nature of slip of pulley spare, two assembly pulleys atress have improved the bearing capacity of pulley spare simultaneously.

The assembly pulley includes two pulleys 4 for 2 symmetry settings of support, in order to make pulley spare can follow 1 bottom opening part of guide rail dismantles the change, two pulleys 4 can remove the setting for support 2, make the distance between two pulleys 4 adjustable, both can shorten and outwards extend to support 2, the pulley group can be followed 1 bottom opening of guide rail and passed through after shortening, the pulley group can match with track 3 again after the extension, of course, 1 bottom opening width of guide rail is greater than the whole width that pulley spare after pulley 4 shortens.

Specifically, as shown in fig. 2 and 3, the bracket 2 is provided with two through holes 5 for installing two pulley blocks correspondingly, the inner walls of the through holes 5 are provided with two racks 6 capable of moving horizontally, the two racks 6 are positioned at the same height and symmetrically arranged in opposite directions, opposite ends of the two racks 6 extend out of the through holes 5 and are respectively connected with a connecting rod 7, two pulleys 4 of the through holes 5 corresponding to the pulley blocks are respectively rotatably sleeved on the two connecting rods 7, and the tail ends of the connecting rods 7 are provided with plugs 8 for preventing the pulleys 4 from falling off. The movement of the rack 6 drives the pulley 4 to move, and due to the movable arrangement of the rack 6, the two racks 6 can respectively move outwards and inwards relative to the through hole 5, so that the distance between the two pulleys 4 of the corresponding pulley block can be adjusted by reversely moving the two racks 6 in one through hole 5.

Wherein, the rack 6 can be arranged in the through hole 5 in a moving way: the same high symmetry of through-hole 5 inner wall is equipped with two spouts 11, and two racks 6 hold respectively in spout 11 and can move in spout 11, and the both ends of spout 11 extend to the through-hole mouth respectively. Further, the structure of the sliding slot 11 and the rack 6 is as shown in fig. 2, so that the rack 6 does not fall off the sliding slot 11.

In order to realize synchronous reverse movement of the rack 6, as shown in fig. 2, the bracket 2 is rotatably provided with a rotating shaft 9, one end of the rotating shaft 9 extends into the bracket 2 and penetrates through the two through holes 5, the shaft sections of the rotating shaft 9 positioned in the two through holes 5 are respectively provided with a gear 10, the gear 10 and the rack 6 in the corresponding through hole 5 are positioned at the same height and correspond to the midpoint position of the rack 6, the gear 10 is engaged with the two corresponding racks 6, and the other end of the rotating shaft 9 extends out of the bracket 2 and is connected with a hanging ring. The rotating shaft 9 can drive the two gears 10 to rotate, and the gears 10 are engaged with the two corresponding racks 6, so that the gears 10 can drive the two corresponding racks 6 to move in opposite directions, and the rotating shaft 9 can be rotated to adjust the distance between the two pulleys 4 of the pulley block. Further, in order to prevent the rack 6 from moving outwards too much to be disengaged from the gear 10, a blocking strip is arranged at one end of the rack 6 far away from the pulley 4, and the rack 6 does not move when moving to the point that the blocking strip is contacted with the gear 10.

The pulley piece dismounting and replacing work steps are as follows: when the pulley piece is disassembled, the rotating shaft 9 is rotated anticlockwise, the two gears 10 respectively drive the racks 6 in the two through holes 5 to move inwards, so that the pulley 4 is driven to be shortened towards the bracket 2, the whole width of the pulley piece is smaller than the width of the opening at the bottom of the guide rail 1, and the pulley piece can be disassembled from the guide rail 1; when the pulley piece is installed, the whole width of the pulley piece is smaller than the width of the opening at the bottom of the guide rail 1 as the same as the detaching step, then the pulley piece extends into the guide rail 1 from the opening at the bottom of the guide rail 1, the heights of the two pulley blocks correspond to the heights of the two groups of rails 3, the rotating shaft 9 is rotated clockwise, the racks 6 in the two through holes 5 are driven to move outwards through the two gears 10 respectively, and therefore the pulley 4 is driven to extend outwards to be matched with the corresponding rails 3.

When single pulley spare damaged, all take off in the pulley spare that no longer need its the place ahead from guide rail 1, the change just can be dismantled directly from the 1 bottom opening part of guide rail, and is simple and convenient, and simultaneously, general guide rail 1 has multiple specification as required, the utility model discloses a two pulley distances of assembly pulley are adjustable, can match the guide rail 1 of more specifications.

Further, in order to avoid the sliding component being affected by the rotation of the rotating shaft 9 caused by pulling the curtain, as shown in fig. 1 and fig. 2, the bottom of the bracket 2 is provided with an annular groove 14 concentric with the rotating shaft 9, the outer annular wall of the annular groove 14 is provided with a thread groove, the rotating shaft 9 is provided with a thread section 15, the bottom end of the thread section 15 is in threaded connection with a locking piece 13, the locking piece 13 is funnel-shaped, as shown in fig. 2, the inner wall of the upper part of the locking piece 13 is provided with a thread matched with the annular groove 14, the locking piece 13 can be moved to the bottom of the bracket 2 on the thread section 15 by rotating counterclockwise, and the upper part of the locking piece extends into the annular groove 14 to be in threaded connection with the annular groove 14 by. After the installation of the sliding part is completed, the locking part 13 on the rotating shaft 9 is moved to be connected with the annular groove 14, so that the rotating shaft 9 cannot rotate, when the sliding part needs to be disassembled and replaced, the locking part 13 is rotated clockwise to be separated from the connection with the annular groove 14, the rotating shaft 9 can rotate, and the locking part 13 also rotates at the moment.

Furthermore, because the pulley block is determined to be in place by the abutting of the plug 8 and the inner wall of the guide rail 1 when the pulley piece is installed, in order to avoid the influence of the over-tight abutting of the plug 8 on the sliding, the surface of the plug 8, which is back to the connecting rod 7, is provided with the ball 12, and the ball 12 is in contact with the inner wall of the guide rail 1, so that the sliding of the pulley piece is not influenced.

Further, since the pulley 4 is generally easy to wear, the plug 8 and the connecting rod 7 are detachably connected, and can be selected to be in a plug-in or threaded connection, so that the pulley 4 can be replaced independently after the pulley 4 is damaged.

Parts not described in the above modes can be realized by adopting or referring to the prior art.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.

Claims

1. The utility model provides a smooth and easy gliding (window) curtain guide rail pulley, includes bottom open-ended guide rail (1) and pulley spare, and the pulley spare includes support (2) and locates the assembly pulley on support (2), its characterized in that: the support (2) is provided with two pulley blocks which are arranged up and down, two groups of rails (3) are arranged up and down in the guide rail (1), the two pulley blocks are respectively arranged on the two groups of rails (3), and the support (2) extends out from an opening at the bottom of the guide rail (1); the pulley block comprises two pulleys (4) which are symmetrically arranged relative to the support (2), and the two pulleys (4) can move relative to the support (2) so that the distance between the two pulleys (4) can be adjusted.

2. The smooth sliding curtain rail pulley according to claim 1, wherein: the support (2) is provided with two through holes (5) which are correspondingly provided with two pulley blocks, the inner wall of each through hole (5) is provided with two racks (6) in a horizontally movable manner, the moving directions of the two racks (6) are opposite, the two racks (6) are positioned at the same height and symmetrically arranged in opposite directions, one ends of the two racks (6) extend out of the through holes (5) and are respectively connected with connecting rods (7), the two pulleys (4) of the through holes (5) corresponding to the pulley blocks are respectively sleeved on the two connecting rods (7), and the tail ends of the connecting rods (7) are provided with plugs (8); support (2) rotatable pivot (9) that is equipped with, pivot (9) one end is stretched into and is run through two through-holes (5) in support (2), and pivot (9) are located and are equipped with gear (10) on the shaft part in through-hole (5), and gear (10) all mesh with two rack (6) in through-hole (5), and pivot (9) other end stretches out support (2) and is connected with the link.

3. The smooth sliding curtain rail pulley according to claim 2, wherein: the same high symmetry of through-hole (5) inner wall is equipped with two spout (11), and spout (11) both ends extend to the through-hole mouth respectively, and two racks (6) hold respectively in spout (11) and can remove in spout (11).

4. A smooth sliding curtain rail pulley according to claim 2 or 3, wherein: the plug (8) is detachably connected with the connecting rod (7).

5. The smooth sliding curtain rail pulley according to claim 4, wherein: and a ball (12) is arranged on one surface of the plug (8) back to the connecting rod (7).