CN216569490U - Telescopic curtain guide rail - Google Patents
Telescopic curtain guide rail Download PDFInfo
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- CN216569490U CN216569490U CN202122884610.0U CN202122884610U CN216569490U CN 216569490 U CN216569490 U CN 216569490U CN 202122884610 U CN202122884610 U CN 202122884610U CN 216569490 U CN216569490 U CN 216569490U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The utility model provides a telescopic curtain guide rail capable of adjusting the tension degree of a transmission belt. The utility model provides a telescopic curtain guide rail, which comprises an inner rail, an outer rail and a transmission unit, wherein the inner rail is connected to one side of the outer rail, is embedded in the outer rail and can slide along the outer rail; the transmission unit comprises a driving wheel, a driven wheel, a first fixed pulley, a second fixed pulley and a transmission belt, and the driving wheel and the driven wheel are respectively positioned at two ends of the telescopic curtain guide rail; the driving wheel is connected with a motor; the first fixed pulley is positioned at one end of the outer rail close to the inner rail, and the second fixed pulley is positioned at one end of the inner rail close to the outer rail; and the first fixed pulley and/or the second fixed pulley are/is connected with an adjusting component, and the adjusting component is used for cooperating with the first fixed pulley and/or the second fixed pulley to tighten or loosen the transmission belt.
Description
Technical Field
The utility model belongs to the technical field of telescopic curtains, and particularly relates to a telescopic curtain guide rail.
Background
The curtain is a household article which is installed at a window to play a role in shading sun, and the wall surfaces of windows in various rooms are different in width, so that the width of the wall surface of the window needs to be measured firstly in the curtain guide rail manufacturing process, and then the corresponding curtain guide rail is manufactured according to the measured size. The curtain guide rail needs to be customized one by one, and mass industrialized production cannot be realized; in addition, the field measurement is needed, and the manpower and material resources are wasted; if errors exist in the measurement or manufacturing process, the manufactured curtain guide rail can not be used and needs to be reworked. Therefore, the traditional curtain guide rail adopts a customization method, so that the efficiency is lower, the cost is higher, and the applicability is weak.
Based on the above problems, more and more people are beginning to research the telescopic curtain guide rail, that is, the length of the curtain guide rail can be adjusted in a telescopic way, and then the telescopic curtain guide rail of one specification can be suitable for windows of a plurality of sizes. Because the telescopic curtain guide rail is still in a starting stage, the existing telescopic curtain can not realize a good adjusting effect.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the telescopic curtain guide rail capable of adjusting the tension degree of the transmission belt.
The utility model provides a telescopic curtain guide rail, which comprises an inner rail, an outer rail and a transmission unit, wherein the inner rail is connected to one side of the outer rail, is embedded in the outer rail and can slide along the outer rail; the transmission unit comprises a driving wheel, a driven wheel, a first fixed pulley, a second fixed pulley and a transmission belt, wherein the driving wheel and the driven wheel are respectively positioned at two ends of the telescopic curtain guide rail; the driving wheel is connected with the motor; the first fixed pulley is positioned at one end of the outer rail close to the inner rail, and the second fixed pulley is positioned at one end of the inner rail close to the outer rail;
and the first fixed pulley and/or the second fixed pulley are/is connected with an adjusting component, and the adjusting component is used for cooperating with the first fixed pulley and/or the second fixed pulley to tighten or loosen the transmission belt.
Preferably, the first fixed pulley and/or the second fixed pulley are/is fixed on the adjusting component, the adjusting component comprises an adjusting nut and an adjusting screw matched with the adjusting nut, and the adjusting screw is matched with the adjusting nut to drive the first fixed pulley and/or the second fixed pulley to move.
Preferably, the adjusting component is further provided with a stop block, the upper end and the lower end of the adjusting nut extend towards the stop block respectively and are connected with the stop block, an installation area is formed between the stop block and the adjusting nut, the first fixed pulley and/or the second fixed pulley are/is fixed in the installation area, one side of the stop block close to the adjusting nut is an arc surface, and transmission belts on two sides of the first fixed pulley and/or the second fixed pulley in the installation area are/is located on two sides of the stop block respectively.
Preferably, scalable curtain guide rail includes the uide bushing, the uide bushing is both ends open-ended hollow tube form, the bottom surface of uide bushing is formed with first holding surface and second holding surface, first holding surface is higher than the second holding surface, and the junction of first holding surface and second holding surface is formed with the step, the uide bushing cover is located the outer rail is close to the one end of inner rail, the inner rail is connected first holding surface, the outer rail is connected the second holding surface, the tip butt of outer rail the step, adjusting part is located in the uide bushing, adjusting part with uide bushing sliding connection.
Preferably, an adjusting mounting groove is formed in the guide sleeve, the adjusting mounting groove is formed in a space surrounded by the first supporting surface, one end of the adjusting mounting groove is provided with an opening, the other end of the adjusting mounting groove is provided with a baffle, the opening is formed in one end close to the second supporting surface, the adjusting assembly is fixed in the adjusting mounting groove, a through hole is formed in the baffle, the adjusting assembly comprises an adjusting nut and an adjusting screw matched with the adjusting nut, the adjusting screw penetrates through the through hole to be matched with the adjusting nut, and the adjusting assembly can be driven to be far away from or close to the baffle during rotation of the adjusting screw.
Preferably, the top wall of the adjusting installation groove is provided with a first opening, the bottom wall of the installation groove is provided with a second opening opposite to the first opening, the first fixed pulley and/or the second fixed pulley are/is fixed on the adjusting component through a fixed shaft, and two ends of the fixed shaft respectively extend into the first opening and the second opening.
Preferably, the outer rail comprises an upper end first closed groove and a lower end first open groove, a first outer rail inner wall and a second outer rail inner wall which extend towards the inside of the grooves are arranged on the side wall of the lower end first open groove, a first insertion gap is formed between the bottom wall of the upper end first closed groove and the first outer rail inner wall, a second insertion gap is formed between the bottom wall of the lower end first open groove and the second outer rail inner wall, and the transmission belt is positioned between the first outer rail inner wall and the second outer rail inner wall; the inner rail comprises an upper end second closed groove and a lower end second open groove, the bottom wall of the second closed groove is inserted into the first insertion gap, and the bottom wall of the second open groove is inserted into the second insertion gap.
Preferably, an adjusting installation groove is formed in the guide sleeve, the adjusting installation groove is formed in a space surrounded by the first supporting surface, the adjusting assembly is fixed in the adjusting installation groove and is in sliding connection with the adjusting installation groove, the first fixed pulley is fixed on the adjusting assembly, the end portion of the inner wall of the first outer rail is abutted to the top wall of the adjusting installation groove, the end portion of the inner wall of the second outer rail is abutted to the bottom wall of the adjusting installation groove, a third insertion gap is formed between the bottom wall of the adjusting installation groove and the first supporting surface, and the bottom wall of the second open groove penetrates through the third insertion gap and then is inserted into the second insertion gap.
Preferably, the outer rail includes first open groove, the inner rail includes second open groove, works as when inner rail and outer rail cooperate, the first lateral wall of inner rail will first open groove separates into first cavity and second cavity, the second fixed pulley is fixed in through the fixed subassembly of second on the inner rail, the fixed subassembly of second is equipped with the connecting clamp, the connecting clamp presss from both sides tightly the tip of first lateral wall, the drive belt of second fixed pulley both sides is located respectively in first cavity and the second cavity.
Preferably, the transmission belt comprises a first connecting section and a second connecting section which are connected with each other, the first connecting section and the second connecting section are connected end to end, the first connecting section is matched with the driving wheel, the second connecting section is wound on the first fixed pulley and the second fixed pulley, and the thickness of the transmission belt of the first connecting section is larger than that of the transmission belt of the second connecting section;
the first connecting section is one or more of a belt, a steel wire and a rope, and the second connecting section is one or more of a belt, a steel wire and a rope. The tension degree of the transmission belt can be adjusted by the telescopic curtain guide rail provided by the utility model.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.
Fig. 1 is a schematic view of an overall structure of a retractable curtain rail according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a transmission belt winding structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a guide sleeve according to an embodiment of the present invention;
FIG. 4 is a schematic view of a fitting structure of an adjusting assembly and an adjusting installation groove according to an embodiment of the present invention;
FIG. 5 is a schematic view of a structure of an adjusting assembly engaged with a first fixed pulley according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the inner rail and the outer rail in the guide sleeve according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an outer rail according to an embodiment of the present invention;
FIG. 8 is a schematic view of a structure of the outer rail and the inner rail according to an embodiment of the present invention;
FIG. 9 is a schematic view of a structure of the outer rail, the inner rail and the guide sleeve according to the present invention;
FIG. 10 is a schematic view of the structure of the second fixed pulley engaging with the first sidewall;
fig. 11 is a schematic sectional view of the adjusting assembly engaged with the guide sleeve.
In the figure: the outer rail 1, the inner rail 2, the driving wheel 31, the driven wheel 32, the first fixed pulley 33, the second fixed pulley 34, the transmission belt 35, the guide sleeve 101, the first supporting surface 102, the second supporting surface 103, the step 1023, the first closed groove 12, the first open groove 13, the first outer rail inner wall 14, the second outer rail inner wall 15, the first insertion gap 131, the second insertion gap 132, the adjustment mounting groove 1011, the baffle 1012, the through hole 1013, the stopper 51, the first opening 1014, the second opening 1015, the fixing shaft 331, the first side wall 26, the connecting clip 27, the third insertion gap 133, the adjustment nut 311, the adjustment screw 312, the first connecting section 351, and the second connecting section 352.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 10, an embodiment of the present invention provides a retractable curtain rail, including an inner rail 2, an outer rail 1 and a transmission unit, wherein the inner rail 2 is connected to one side of the outer rail 1, and the inner rail 2 is embedded in the outer rail 1 and can slide along the outer rail 1; the transmission unit comprises a driving wheel 31, a driven wheel 32, a first fixed pulley 33, a second fixed pulley 34 and a transmission belt 35, wherein the driving wheel 31 and the driven wheel 32 are respectively positioned at two ends of the telescopic curtain guide rail; the driving wheel 31 is connected with a motor; the first fixed pulley 33 is located at one end of the outer rail 1 near the inner rail 2, and the second fixed pulley 34 is located at one end of the inner rail 2 near the outer rail 1. When the area of the overlapped area of the inner rail 2 and the outer rail 1 changes, the relative position of the first fixed pulley 33 and the second fixed pulley 34 also changes, so that the transmission belt 35 is ensured to be in a tensioning state, specifically, when the inner rail 2 moves towards the direction of the outer rail 1, the distance between the driven wheel 32 and the driving wheel 31 is reduced, and the distance between the first fixed pulley 33 and the second fixed pulley 34 is increased; when the inner rail 22 moves away from the outer rail 1, the distance between the driven pulley 32 and the driving pulley 31 increases, and the distance between the first fixed pulley 33 and the second fixed pulley 34 decreases. The transmission belt 35 of the utility model is connected with the pulley 4, and the pulley 4 is connected with the curtain cloth.
The first fixed pulley 33 and/or the second fixed pulley 34 are/is connected with an adjusting component, and the adjusting component is used for being matched with the first fixed pulley 33 and/or the second fixed pulley 34 and driving the first fixed pulley 33 and/or the second fixed pulley 34 to move, so that the transmission belt 35 is tensioned or loosened, and the length of the transmission belt 35 can be adjusted. The problem that the driving belt 35 is too long and can run out is avoided, and the problem that the driving belt 35 is too short and the running smoothness is affected is also avoided.
The telescopic curtain guide rail provided by the utility model realizes the movement of the fixed pulley through the adjusting component so as to realize the adjustment of the length of the transmission belt 35, realize the change of the tension degree of the transmission belt 35 and overcome the problem that the length of the transmission belt 35 is difficult to accurately control when the curtain guide rail is assembled. The length of the belt 35 can be finely adjusted through adjusting the adjusting component after the curtain guide rail is assembled.
Referring to fig. 4-6, in a preferred embodiment, the adjusting assembly includes an adjusting nut 311 and an adjusting screw 312 capable of cooperating with the adjusting nut 311, and the first fixed pulley 33 and/or the second fixed pulley 34 are moved by the cooperation of the adjusting screw 312 and the adjusting nut 311, so as to control the tension of the belt. In this embodiment, one of the first fixed pulley 33 and the second fixed pulley 34 can be adjusted by the adjusting assembly, or the first fixed pulley 33 and the second fixed pulley 34 can be adjusted by the adjusting assembly.
Referring to fig. 2, in the preferred embodiment, when the driving pulley 31 is located at the end of the inner rail 2 and the driven pulley 32 is located at the end of the outer rail 1, the winding of the driving belt 35 is performed in the following manner: the driving pulley 31, the driven pulley 32, the first fixed pulley 33, and the second fixed pulley 34 are sequentially wound with a driving belt 35. In another preferred embodiment, when the driving pulley 31 is located at the end of the outer rail 1 and the driven pulley 32 is located at the end of the inner rail 2, the driving belt 35 is wound on the driving pulley 31, the driven pulley 32, the second fixed pulley 34, and the first fixed pulley 33 in this order. This winding ensures that the first fixed pulley 33 is far from the second fixed pulley 34 when the driving pulley 31 is close to the driven pulley 32, and ensures that the total length of the belt is always constant. The winding method is simple, the occupied area is small, and the production cost and the transportation cost are reduced.
Referring to fig. 4-6 and 11, in a preferred embodiment, the adjusting assembly is further provided with a stopper 51, and the adjusting nut 311 extends upward and downward toward the stopper 51 and is connected to the stopper 51. The first fixed pulley and/or the second fixed pulley are fixed in the mounting area. In a further preferred embodiment, the adjustment assembly effects an adjustment of the tension of the drive belt 35 by adjusting the movement of the first fixed sheave 33. In this embodiment, the first fixed pulley 33 is fixed on the adjusting component, specifically, the first fixed pulley 33 is fixed on the mounting area formed between the stopper 51 and the adjusting nut 311, one side of the stopper 51 close to the first fixed pulley is an arc surface, and the transmission belts 35 on both sides of the first fixed pulley 33 are respectively located on both sides of the stopper 51. Through dog 51's setting in this embodiment, can be the fixed first fixed pulley 33 that realizes better, realize that adjusting part can drive first fixed pulley 33 and remove, one side that dog 51 is close to adjusting nut 311 is the cambered surface, can avoid dog 51 to the friction damage of drive belt 35.
Referring to fig. 2, 3, 4, 6 and 11, in a preferred embodiment, the retractable window curtain guide comprises a guide sleeve 101, the guide sleeve 101 is a hollow tube with two open ends, a first supporting surface 102 and a second supporting surface 103 are formed on the bottom surface of the guide sleeve 101, the first supporting surface 102 is higher than the second supporting surface 103, a step 1023 is formed at the joint of the first supporting surface 102 and the second supporting surface 103, the guide sleeve 101 is sleeved on one end of the outer rail 1 close to the inner rail 2, the inner rail 2 is connected with the first supporting surface 102, the outer rail is connected with the second supporting surface 103, the end of the outer rail 1 abuts against the step 1023, an adjusting component is located in the guide sleeve 101, and the adjusting component is slidably connected with the guide sleeve 101. In this embodiment, connect inner rail 2 and outer rail 1 through uide bushing 101, realize that inner rail 2 and outer rail 1 can smooth and steady transition, guarantee can be comparatively smooth and easy pulling (window) curtain in the normal use. Through the setting of uide bushing 101 not only can pass through the linking of interior rail 2 and outer rail 1 for the guide rail is more pleasing to the eye, and but the setting of uide bushing 101 still can realize adjusting part relative movement, and then drives first fixed pulley 33 and remove, realizes the control of belt rate of tension.
Referring to fig. 3, 4, 6, 9 and 11, in a preferred embodiment, an adjusting installation groove 1011 is formed in the guiding sleeve 101, the adjusting installation groove 1011 is formed in a space surrounded by the first supporting surface 102, the adjusting component is fixed in the adjusting installation groove 1011, an opening is formed at one end of the adjusting installation groove 1011, a baffle 1012 is formed at the other end of the adjusting installation groove 1011, the opening is formed at one end close to the second supporting surface 103, and a through hole 1013 into which a screw can extend is formed in the baffle 1012. The setting of baffle 1012 can be with the better restriction of adjusting part in adjusting the mounting groove 1011, and open-ended setting realizes that drive belt 35 can stretch into in adjusting the mounting groove 1011 and be connected with first fixed pulley to the drive belt 35 of first fixed pulley opposite side also can stretch out adjusting the mounting groove 1011. The adjusting screw penetrates through the through hole to be matched with the adjusting nut, and the adjusting screw can drive the adjusting assembly to be far away from or close to the baffle plate during rotating motion. Adjustment of the belt tension is achieved by adjusting the distance between the adjustment assembly and the baffle 1012.
Referring to fig. 7-9, in a preferred embodiment, the outer rail 1 includes an upper first closed groove 12 and a lower first open 1014 groove 13, the side wall of the lower first open 1014 groove 13 is provided with a first outer rail inner wall 14 and a second outer rail inner wall 15 extending inwardly of the grooves, a first insertion gap 131 is formed between the bottom wall of the upper first closed groove 12 and the first outer rail inner wall 14, a second insertion gap 132 is formed between the bottom wall of the lower first open 1014 groove 13 and the second outer rail inner wall 15, and the driving belt 35 is located between the first outer rail inner wall 14 and the second outer rail inner wall 15; the inner rail 2 includes an upper end second closed groove, the bottom wall of which is inserted into the first insertion gap 131, and a lower end second open 1015 groove, the bottom wall of which is inserted into the second insertion gap 132. By the method, the inner rail 2 and the outer rail 1 can be well nested, the inner rail 2 and the outer rail 1 can be well matched, and the stability of the curtain guide rail is good.
Referring to fig. 1 to 11, the end of the first outer rail inner wall 14 abuts the top wall of the adjustment mounting groove 1011, and the end of the second outer rail inner wall 15 abuts the bottom wall of the adjustment mounting groove 1011. A third insertion gap 133 is formed between the bottom wall of the adjustment installation groove 1011 and the first supporting surface 102, and the bottom wall of the groove of the second opening 1015 passes through the third insertion gap 133 and then is inserted into the second insertion gap 132. The adjusting component is fixed through the adjusting installation groove 1011 in the embodiment, so that a stable effect is realized. Simultaneously the roof and the diapire of mounting groove can offset with the cooperation of first outer rail inner wall 14 and second outer rail inner wall 15, realize that the tip of outer rail 1 can be better in uide bushing 101 with the cooperation of inner rail 2.
Referring to fig. 3 and 5, in a preferred embodiment, the top wall of the mounting groove has a first opening 1014, the bottom wall of the mounting groove has a second opening 1015 opposite to the first opening 1014, the first fixed pulley is fixed in the mounting region of the adjustment assembly by a fixed shaft 331, and both ends of the fixed shaft 331 respectively protrude into the first opening 1014 and the second opening 1015.
In a preferred embodiment, when the inner rail 2 and the outer rail 1 are engaged, the first sidewall 26 of the inner rail 2 divides the first opening 1014 into a first cavity and a second cavity, the second fixed pulley 34 is fixed on the inner rail 2 by a second fixing assembly, the second fixing assembly is provided with a connecting clamp 27, the connecting clamp 27 clamps the end of the first sidewall 26, and the transmission belt 35 at both sides of the second fixed pulley 34 is respectively positioned in the first cavity and the second cavity. In this embodiment, the second fixed pulley 34 is fixed by the connecting clip 27, and when the connecting clip 27 clamps the end of the first sidewall 26, the connecting clip can be further locked by a screw, so as to further ensure the stability of the curtain rail.
Referring to fig. 2, in the preferred embodiment, the driving belt 35 includes a first connecting section 351 and a second connecting section 352 connected to each other, the first connecting section 351 and the second connecting section 352 being connected end to end, the first connecting section 351 being engaged with the driving pulley 31, the second connecting section 352 being wound around the first fixed pulley 33 and the second fixed pulley 34, while the second connecting section 352 is engaged with the driven pulley. In a further preferred embodiment, the second connector section 352 is mated to the driven wheel. The first connecting section 351 in this embodiment has a belt thickness greater than the second connecting section 352. The "thickness of the belt" in this embodiment is not limited to the thickness of the belt but may be the diameter of the steel wire or rope.
For example, when the first connecting section 351 and/or the second connecting section 352 are connected to a flat transmission belt (e.g., a belt, a flat rope), the transmission belt thickness refers to the direct thickness of the belt or the flat rope, and when the first connecting section 351 and/or the second connecting section 352 are connected to a steel wire or a rope having a circular cross-section, the thickness of the transmission belt refers to the diameter of the steel wire or the rope.
The thickness of the transmission belt of the first connecting section 351 in the embodiment is larger than that of the transmission belt of the second connecting section 352, so that the transmission of the first connecting section 351 matched with the driving wheel 31 is large in thickness and can be better, abrasion is avoided, the thickness of the belt of the second connecting section 352 wound on the first fixed pulley 33 and the second fixed pulley 34 is small, the space of the guide rail can be saved, and the guide rail is lighter and more attractive.
In a preferred embodiment, the first connecting section 351 is one or more of a combination of a leash, a steel wire and a rope, and the second connecting section 352 is one or more of a combination of a leash, a steel wire and a rope.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are exemplary and should not be construed as limiting the present application and that changes, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A retractable curtain guide rail is characterized by comprising an inner rail, an outer rail and a transmission unit, wherein the inner rail is connected to one side of the outer rail, is embedded in the outer rail and can slide along the outer rail; the transmission unit comprises a driving wheel, a driven wheel, a first fixed pulley, a second fixed pulley and a transmission belt, and the driving wheel and the driven wheel are respectively positioned at two ends of the telescopic curtain guide rail; the driving wheel is connected with the motor; the first fixed pulley is positioned at one end of the outer rail close to the inner rail, and the second fixed pulley is positioned at one end of the inner rail close to the outer rail;
and the first fixed pulley and/or the second fixed pulley are/is connected with an adjusting component, and the adjusting component is used for cooperating with the first fixed pulley and/or the second fixed pulley to tighten or loosen the transmission belt.
2. The retractable window curtain rail of claim 1, wherein the first fixed pulley and/or the second fixed pulley is fixed to the adjusting assembly, the adjusting assembly comprises an adjusting nut and an adjusting screw capable of being matched with the adjusting nut, and the adjusting screw and the adjusting nut are matched to drive the first fixed pulley and/or the second fixed pulley to move.
3. The retractable window curtain rail of claim 2, wherein the adjusting assembly further comprises a stopper, the upper end and the lower end of the adjusting nut extend towards the stopper and are connected with the stopper, an installation area is formed between the stopper and the adjusting nut, the first fixed pulley and/or the second fixed pulley are fixed in the installation area, one side of the stopper close to the adjusting nut is an arc surface, and the transmission belts on two sides of the first fixed pulley and/or the second fixed pulley in the installation area are respectively located on two sides of the stopper.
4. The retractable window curtain rail of claim 1, wherein the retractable window curtain rail comprises a guide sleeve, the guide sleeve is in a hollow tubular shape with two open ends, a first supporting surface and a second supporting surface are formed on the bottom surface of the guide sleeve, the first supporting surface is higher than the second supporting surface, a step is formed at the joint of the first supporting surface and the second supporting surface, the guide sleeve is arranged at one end, close to the inner rail, of the outer rail, the inner rail is connected with the first supporting surface, the outer rail is connected with the second supporting surface, the end part of the outer rail abuts against the step, the adjusting component is arranged in the guide sleeve, and the adjusting component is slidably connected with the guide sleeve.
5. The retractable curtain rail as claimed in claim 4, wherein an adjustment installation groove is provided in the guide sleeve, the adjustment installation groove is provided in a space defined by the first supporting surface, an opening is provided at one end of the adjustment installation groove, a baffle is provided at the other end of the adjustment installation groove, the opening is provided at an end close to the second supporting surface, the adjustment assembly is fixed in the adjustment installation groove, a through hole is provided on the baffle, the adjustment assembly comprises an adjustment nut and an adjustment screw capable of being engaged with the adjustment nut, the adjustment screw passes through the through hole and is engaged with the adjustment nut, and the adjustment screw can drive the adjustment assembly to move away from or close to the baffle when rotating.
6. The retractable window curtain rail of claim 5, wherein the top wall of the mounting groove has a first opening, the bottom wall of the mounting groove has a second opening opposite to the first opening, and the first and/or second fixed pulleys are fixed to the adjusting assembly by a fixed shaft, both ends of which extend into the first and second openings, respectively.
7. The retractable window curtain rail of claim 4, wherein the outer rail comprises an upper first closed groove and a lower first open groove, the side wall of the lower first open groove is provided with a first outer rail inner wall and a second outer rail inner wall which extend into the grooves, a first insertion gap is formed between the bottom wall of the upper first closed groove and the first outer rail inner wall, a second insertion gap is formed between the bottom wall of the lower first open groove and the second outer rail inner wall, and the transmission belt is positioned between the first outer rail inner wall and the second outer rail inner wall; the inner rail comprises an upper end second closed groove and a lower end second open groove, the bottom wall of the second closed groove is inserted into the first insertion gap, and the bottom wall of the second open groove is inserted into the second insertion gap.
8. The retractable window curtain rail of claim 7, wherein an adjustment installation groove is formed in the guide sleeve, the adjustment installation groove is formed in a space surrounded by the first supporting surface, the adjustment assembly is fixed in the adjustment installation groove and slidably connected with the adjustment installation groove, the first fixed pulley is fixed on the adjustment assembly, an end of the inner wall of the first outer rail abuts against a top wall of the adjustment installation groove, an end of the inner wall of the second outer rail abuts against a bottom wall of the adjustment installation groove, a third insertion gap is formed between the bottom wall of the adjustment installation groove and the first supporting surface, and a bottom wall of the second open groove passes through the third insertion gap and then is inserted into the second insertion gap.
9. The retractable window curtain rail of any one of claims 1-8, wherein the outer rail comprises a first open groove, the inner rail comprises a second open groove, when the inner rail and the outer rail are engaged, a first sidewall of the inner rail divides the first open groove into a first cavity and a second cavity, the second fixed pulley is fixed on the inner rail by a second fixing assembly, the second fixing assembly is provided with a connecting clamp, the connecting clamp clamps an end of the first sidewall, and the transmission belts on both sides of the second fixed pulley are respectively positioned in the first cavity and the second cavity.
10. The retractable window covering rail of any one of claims 1-8, wherein the belt comprises a first coupling section and a second coupling section coupled to each other, the first coupling section and the second coupling section being coupled end to end, the first coupling section engaging the drive pulley, the second coupling section being wound around the first fixed pulley and the second fixed pulley, the first coupling section having a belt thickness greater than a belt thickness of the second coupling section;
the first connecting section is one of a belt, a steel wire and a rope, and the second connecting section is one of a belt, a steel wire and a rope.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884610.0U CN216569490U (en) | 2021-11-23 | 2021-11-23 | Telescopic curtain guide rail |
| CN202220959992.0U CN219353561U (en) | 2021-11-23 | 2021-11-23 | Adjusting component for curtain guide rail and telescopic curtain guide rail |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122884610.0U CN216569490U (en) | 2021-11-23 | 2021-11-23 | Telescopic curtain guide rail |
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| CN202220959992.0U Division CN219353561U (en) | 2021-11-23 | 2021-11-23 | Adjusting component for curtain guide rail and telescopic curtain guide rail |
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| CN216569490U true CN216569490U (en) | 2022-05-24 |
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| CN202122884610.0U Active CN216569490U (en) | 2021-11-23 | 2021-11-23 | Telescopic curtain guide rail |
| CN202220959992.0U Active CN219353561U (en) | 2021-11-23 | 2021-11-23 | Adjusting component for curtain guide rail and telescopic curtain guide rail |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220959992.0U Active CN219353561U (en) | 2021-11-23 | 2021-11-23 | Adjusting component for curtain guide rail and telescopic curtain guide rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116636727A (en) * | 2023-05-31 | 2023-08-25 | 广东瑞克斯智能科技有限公司 | Folding guide rail |
-
2021
- 2021-11-23 CN CN202122884610.0U patent/CN216569490U/en active Active
- 2021-11-23 CN CN202220959992.0U patent/CN219353561U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116636727A (en) * | 2023-05-31 | 2023-08-25 | 广东瑞克斯智能科技有限公司 | Folding guide rail |
| CN116636727B (en) * | 2023-05-31 | 2024-04-19 | 广东瑞克斯智能科技有限公司 | Folding guide rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN219353561U (en) | 2023-07-18 |
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