CN211432164U

CN211432164U - Curtain telescopic rail

Info

Publication number: CN211432164U
Application number: CN201921879003.1U
Authority: CN
Inventors: 陈卫平; 谭锦斌
Original assignee: Guangdong Rex Intelligent Technology Co ltd
Current assignee: Guangdong Rex Intelligent Technology Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-08
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a flexible rail of (window) curtain, the customer can be according to the demand of oneself, the flexible volume of annular telescopic band between the flexible volume of the endless conveyor belt of control between action wheel and leading wheel and first fixed pulley and second fixed pulley, make the inner rail stretch out and draw back along outer guide rail, adjustment guide rail length, adaptability and usability are very high, through setting up the annular telescopic band into belt section and rope section, the action wheel passes through belt section transmission, reduce transmission error and walk the position, solve action wheel and rope and easily skid and flexible and limited transmission problem, accurate transmission moment of torsion. The utility model is used for the (window) curtain field.

Description

Curtain telescopic rail

Technical Field

The utility model relates to the field of curtains, in particular to a curtain telescopic rail.

Background

The curtain is a household article which is arranged on a window to play a role in shielding, and a common curtain cloth is usually hung and pulled by two hands to realize opening and closing; the method of manually pulling the curtain is inconvenient to use, and can make a plurality of people with inconvenient hands and feet difficult to open and close.

Most curtain guide rails in the market at present need to be manufactured in a large size or modified by professional personnel according to the size after being measured and manufactured in specific application, and the customized production period is long. Once the length of the curtain guide rail is determined, the curtain guide rail can only be used on a corresponding window, and once the size of the window is changed due to decoration and the like, the electric curtain guide rail with the original size cannot be used continuously or adjusted, so that waste is generated.

In addition, the transmission structure inside the existing curtain is mostly transmitted by ropes and wheels. However, the ropes and the wheels are easy to slip, the bearing capacity is not enough, and the use of the ropes causes transmission errors and walking positions, so that the curtain is frequently in failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic curtain telescopic rail with good transmission performance.

The utility model adopts the technical proposal that:

the utility model provides a flexible rail of (window) curtain, it includes guide rail, endless conveyor belt, the guide rail includes inner guide rail and outer guide rail, inner guide rail pot head is established in the inside of outer guide rail, and sliding connection between inner guide rail and the outer guide rail, inner guide rail other end horizontal installation has the action wheel, the vertical leading wheel of installing of tail end of outer guide rail, the leading wheel includes first leading wheel and second leading wheel guide rail horizontal installation between leading wheel and the action wheel has the fixed pulley, the fixed pulley is including installing first fixed pulley and the second fixed pulley in the coplanar, first fixed pulley installs the inside one end of outer guide rail, the outside one end of inner guide rail is installed to the second fixed pulley, first fixed pulley is located between action wheel and the second fixed pulley, endless conveyor belt includes belt section and rope section, endless conveyor belt walks around the action wheel in proper order, The belt comprises a first guide wheel, a first fixed pulley, a second fixed pulley, a first fixed pulley and a second guide wheel, wherein the belt section moves around the driving wheel, and the rope section moves around the first guide wheel, the first fixed pulley, the second fixed pulley, the first fixed pulley and the second guide wheel in sequence.

Further conduct the utility model discloses technical scheme's improvement, still including installing two coasters that can follow the guide rail gliding in the guide rail, belt section, two coasters, rope section are connected and are formed endless conveyor belt.

Further conduct the utility model discloses technical scheme's improvement, the action wheel is walked around to the belt section, belt section both ends are fixed respectively at two coaster homonymies, the rope section is walked around first leading wheel, first fixed pulley, second fixed pulley, first fixed pulley, second leading wheel in proper order, the homonymy at two coasters is fixed respectively at the both ends of rope section.

Further conduct the utility model discloses technical scheme's improvement, two the coaster all includes main part and fixed knot structure, fixed knot structure is including the meshing portion that is located the guide rail and the clamp plate that stretches out from the guide rail bottom, install the belt section between main part and the meshing portion, meshing portion and belt section meshing, the clamp plate is fixed through tightening mechanism and main part, screws up or loosens the tightening mechanism, the belt section is locked or is fastened with meshing portion.

Further conduct the utility model discloses technical scheme's improvement, the main part is including the groove structure who is located the guide rail and stretching out the outer substructure of guide rail, meshing portion installs in groove structure.

Further conduct the utility model discloses technical scheme's improvement, the take-up unit is the screw, clamp plate and substructure pass through the fix with screw.

Further conduct the utility model discloses technical scheme's improvement, the action wheel is the synchronizing wheel, the action wheel is provided with the bayonet socket of being connected with the motor, the belt section is the hold-in range with the synchronizing wheel meshing.

Further conduct the utility model discloses technical scheme's improvement, the diameter of first leading wheel and second leading wheel equals action wheel bottom to the distance of the midplane of fixed pulley.

Further conduct the utility model discloses technical scheme's improvement, endless conveyor's flexible volume equals between first fixed pulley and the second fixed pulley flexible volume between action wheel and the first leading wheel.

The utility model has the advantages that: this flexible rail of (window) curtain, the customer can be according to the demand of oneself, the flexible volume of annular telescopic band between the flexible volume of the annular conveyer belt of control between action wheel and leading wheel and first fixed pulley and second fixed pulley, make the inner rail stretch out and draw back along the outer guide rail, adjustment guide rail length, adaptability and usability are very high, through setting up the annular telescopic band into belt section and rope section, the action wheel passes through the belt section transmission, reduce transmission error and walking, solve action wheel and rope and easily skid and flexible and limited transmission problem, accurate transmission moment of torsion.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a front sectional view of an embodiment of the present invention;

FIG. 2 is a top sectional view of the embodiment of the present invention;

FIG. 3 is a top sectional view of the fixed sheave area according to an embodiment of the present invention;

fig. 4 is a sectional view taken along line a-a of fig. 1 according to an embodiment of the present invention.

Wherein:

a guide rail 100, an inner guide rail 101, an outer guide rail 102;

a sled 200, a main body 201, an engagement portion 202, a pressure plate 203, and a screw 204;

an endless conveyor belt 300, a belt segment 301, a rope segment 302;

a driving wheel 400;

a guide wheel 500, a first guide wheel 501, a second guide wheel 502;

a fixed pulley 600, a first fixed pulley 601 and a second fixed pulley 602.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, a curtain telescopic rail comprises a guide rail 100 and an endless conveyor belt 300, the guide rail 100 comprises an inner guide rail 101 and an outer guide rail 102, one end of the inner guide rail 101 is sleeved inside the outer guide rail 102, the inner guide rail 101 is slidably connected with the outer guide rail 102, the other end of the inner guide rail 101 is horizontally provided with a driving wheel 400, the tail end of the outer guide rail 102 is vertically provided with a guide wheel 500, the guide wheel 500 comprises a first guide wheel 501 and a second guide wheel 502, a fixed pulley 600 is horizontally arranged on the guide rail between the guide wheel 500 and the driving wheel 400, the fixed pulley 600 comprises a first fixed pulley 601 and a second fixed pulley 602 which are arranged in the same plane, the first fixed pulley 601 is arranged at one end inside the outer guide rail 102, the second fixed pulley 602 is arranged at one end outside the inner guide rail 101, the first fixed pulley 601 is arranged between the driving wheel 400 and the second fixed pulley 602, the endless conveyor belt 300 comprises, the endless conveyor belt 300 passes around the drive pulley 400, the first guide pulley 501, the first fixed pulley 601, the second fixed pulley 602, the first fixed pulley 601, and the second guide pulley 502 in this order, the belt segment 301 passes around the drive pulley 400, and the rope segment 302 passes around the first guide pulley 501, the first fixed pulley 601, the second fixed pulley 602, the first fixed pulley 601, and the second guide pulley 502 in this order.

It is understood that the amount of extension and contraction of the endless conveyor belt 300 between the driving pulley 400 and the first guide pulley 501 is equal to the amount of extension and contraction of the endless conveyor belt 300 between the first fixed pulley 601 and the second fixed pulley 602.

When the guide rail 100 is shortened, the endless conveyor belt 300 between the driving wheel 400 and the guide wheel 500 is shortened, the inner guide rail 101 slides inwards relative to the outer guide rail 102, the distance between the first fixed pulley 601 and the second fixed pulley 602 is lengthened, the rope section 302 between the first fixed pulley 601 and the second fixed pulley 602 is lengthened, the shortened amount of the endless conveyor belt 300 between the driving wheel 400 and the first guide wheel 501 is equal to the lengthened amount of the rope section 302 between the first fixed pulley 601 and the second fixed pulley 602, and therefore when the guide rail 100 is stretched and contracted, the length of the endless conveyor belt 300 between the driving wheel 400 and the second fixed pulley 602 is kept consistent, and synchronous adjustment is guaranteed. When the guide rail 100 is extended, the endless belt 300 between the driving pulley 400 and the guide wheel 500 is extended, the inner guide rail 101 slides outward with respect to the outer guide rail 102, the distance between the first fixed pulley 601 and the second fixed pulley 602 is shortened, the rope portion 302 between the first fixed pulley 601 and the second fixed pulley 602 is shortened, and the extension amount of the endless belt 300 between the driving pulley 400 and the first guide wheel 501 is equal to the shortening amount between the first fixed pulley 601 and the second fixed pulley 602. As shown in fig. 3, the diameter of the first stator 601 is larger than the diameter of the second stator 602, which ensures that the rope portion 302 is first wound into the first stator 601.

Wherein, optionally, the driving wheel 400 is a synchronizing wheel, and the driving wheel 400 is provided with a bayonet connected with the motor. The diameters of first guide wheel 501 and second guide wheel 502 are equal to the distance from the bottom end of drive wheel 400 to the center plane of fixed pulley 600. The belt section 301 adopts a synchronous belt meshed with a synchronous wheel, the synchronous belt can accurately transmit torque, and the bearing capacity is good.

Referring to fig. 1, in this embodiment, two carriers 200 installed in the rail 100 and capable of sliding along the rail are further included. The belt section 301, the two pulleys 200, and the rope section 302 are connected to form the endless conveyor belt 300. Wherein, belt section 301 walks around action wheel 400, and belt section 301 both ends are fixed respectively in two coasters 200 homonymies, and rope section 302 is walked around first leading wheel 501, first fixed pulley 601, second fixed pulley 602, first fixed pulley 601, second leading wheel 502 in proper order, and the both ends of rope section 302 are fixed respectively in the homonymy of two coasters 200. The two pulleys 200 are controlled to slide by the belt sections 301 and the rope sections 302, so that the curtain is controlled to open and close.

Specifically, referring to fig. 4, each of the two pulleys 200 includes a main body 201 and a fixing structure, the fixing structure includes an engaging portion 202 located in the guide rail 100 and a pressing plate 203 extending from the bottom end of the guide rail 100, a belt segment 301 is installed between the main body 201 and the engaging portion 202, the engaging portion 202 is engaged with the belt segment 301, the pressing plate 203 is fixed to the main body 201 through a screw 204, the screw 204 is tightened or loosened, and the belt segment 301 is locked or fastened to the engaging portion 202. Further, the main body 201 includes a groove structure in the guide rail 100 and a bottom structure protruding out of the guide rail 100, and the engaging portion 202 is installed in the groove structure.

The pulley 200 is meshed with the belt section 301 through the meshing part 202, then the pressing plate 203 and the main body 201 are fixed through the screw 204, when the distance of the pulley 200 does not meet the requirement, the screw 204 can be loosened, the main body 201 and the fixing structure are loosened, the belt section 301 is separated from the meshing part 202, the pulley 200 can be pushed to slide at the moment, the distance of the pulley 200 is adjusted to a required position, after the distance of the pulley 200 is adjusted, the screw 204 is tightened, the belt section 301 is meshed and locked with the meshing part 202, and the pulley 200 is very convenient to install and adjust.

According to the curtain telescopic rail, a customer can control the telescopic amount of the annular conveying belt 300 between the driving wheel 400 and the guide wheel 500 and the telescopic amount of the annular telescopic belt 300 between the first fixed pulley 601 and the second fixed pulley 602 according to the requirement of the customer, so that the inner guide rail 101 is telescopic along the outer guide rail 102, the length of the guide rail 100 is adjusted, the adaptability and the usability are very high, the customer can adjust the length of the guide rail by self, the curtain telescopic rail is simple and convenient, the size is not customized, and the applicability and the usability are very high; meanwhile, the annular telescopic belt 300 is arranged into the belt section 301 and the rope section 302, the driving wheel 400 is driven through the belt section 301, transmission errors and displacement are reduced, the problems that the driving wheel 400 and a rope are easy to slip, stretch and limit transmission are solved, and torque is accurately transmitted.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A curtain telescopic rail is characterized in that: including guide rail, endless conveyor belt, the guide rail includes interior guide rail and outer guide rail, interior guide rail pot head is established in the inside of outer guide rail, and sliding connection between interior guide rail and the outer guide rail, interior guide rail other end horizontal installation has the action wheel, the vertical leading wheel of installing of tail end of outer guide rail, the leading wheel includes first leading wheel and second leading wheel guide rail horizontal installation between leading wheel and the action wheel has the fixed pulley, the fixed pulley is including installing first fixed pulley and the second fixed pulley in the coplanar, first fixed pulley installs the inside one end of outer guide rail, the outside one end of inner guide rail is installed to the second fixed pulley, first fixed pulley is located between action wheel and the second fixed pulley, endless conveyor belt includes belt section and rope section, endless conveyor belt walks around action wheel, first leading wheel in proper order, The belt comprises a belt section and a rope section, wherein the belt section moves around a driving wheel, and the rope section sequentially moves around the first guide wheel, the first fixed pulley, the second fixed pulley, the first fixed pulley and the second guide wheel.

2. The telescopic curtain rail of claim 1, wherein: the device also comprises two pulleys which are arranged in the guide rail and can slide along the guide rail, and the belt section, the two pulleys and the rope section are connected to form an annular conveying belt.

3. The telescopic curtain rail of claim 2, wherein: the belt section bypasses the driving wheel, two ends of the belt section are respectively fixed at the same sides of the two pulleys, the rope section sequentially bypasses the first guide wheel, the first fixed pulley, the second fixed pulley, the first fixed pulley and the second guide wheel, and two ends of the rope section are respectively fixed at the same sides of the two pulleys.

4. The telescopic curtain rail of claim 3, wherein: two the coaster all includes main part and fixed knot structure, fixed knot constructs including the meshing portion that is located the guide rail and the clamp plate that stretches out from the guide rail bottom, install the belt section between main part and the meshing portion, meshing portion and belt section meshing, the clamp plate is fixed through tightening mechanism and main part, screws up or loosens the tightening mechanism, the belt section is with meshing portion locking or fastening.

5. The telescopic curtain rail of claim 4, wherein: the main body comprises a groove structure positioned in the guide rail and a bottom structure extending out of the guide rail, and the engaging part is arranged in the groove structure.

6. The telescopic curtain rail of claim 5, wherein: the tightening and loosening device is a screw, and the pressing plate and the bottom structure are fixed through the screw.

7. The telescopic window curtain rail of any one of claims 1 to 6, wherein: the driving wheel is a synchronizing wheel, the driving wheel is provided with a bayonet connected with the motor, and the belt section is a synchronous belt meshed with the synchronizing wheel.

8. The telescopic curtain rail of claim 7, wherein: the diameters of the first guide wheel and the second guide wheel are equal to the distance from the bottom end of the driving wheel to the central plane of the fixed pulley.

9. The telescopic window curtain rail of any one of claims 1 to 6, wherein: the telescopic quantity of the annular conveying belt between the driving wheel and the first guide wheel is equal to the telescopic quantity of the annular conveying belt between the first fixed pulley and the second fixed pulley.