CN211299426U - Length-adjustable curtain rod - Google Patents
Length-adjustable curtain rod Download PDFInfo
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- CN211299426U CN211299426U CN201921621795.2U CN201921621795U CN211299426U CN 211299426 U CN211299426 U CN 211299426U CN 201921621795 U CN201921621795 U CN 201921621795U CN 211299426 U CN211299426 U CN 211299426U
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- guide rail
- transmission
- curtain
- window
- track
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Abstract
The utility model discloses a length-adjustable's curtain pole, it includes guide rail assembly, the drive belt has been arranged among the guide rail assembly, the action wheel has been arranged respectively at guide rail assembly's both ends, first follow driving wheel and second are followed the driving wheel, guide rail assembly includes outer guide rail and inner rail, the both ends of outer guide rail are respectively for cup jointing end and first end, the both ends of inner rail are respectively for inserting end and second end, insert the end and insert the cup joint end, the movable pulley who is used for tensioning the drive belt is arranged through the second mount pad in the inner rail, the second mount pad is arranged with the traction cable, the other end of traction cable is fixed with cup jointing, insert the end and arrange the fixed pulley through first mount pad. The tensioning of the transmission belt is adjusted through the traction rope and the movable pulley when the outer guide rail and the inner guide rail are stretched, the traction rope pulls the movable pulley to tension the transmission belt, and when the outer guide rail and the inner guide rail are shortened, the transmission belt pulls the movable pulley. The utility model discloses rational in infrastructure, make things convenient for the curtain pole flexible, but wide application in household equipment technical field.
Description
Technical Field
The utility model relates to the technical field of household equipment, in particular to a curtain rod with adjustable length.
Background
Most of the existing electric curtain rods are fixed in length, and customers need to customize or refit the electric curtain rods according to required sizes when using the electric curtain rods, but the length of the electric curtain rods cannot be changed after the electric curtain rods are installed, and the electric curtain rods cannot be adjusted in daily use, so that the use of the electric curtain rods is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the length of the curtain rod is convenient to adjust, the utility model adopts the following technical scheme:
the utility model provides a curtain rod with adjustable length, which comprises a telescopic guide rail component, wherein a transmission belt is arranged in the guide rail component, a driving wheel, a first driven wheel and a second driven wheel are respectively arranged at two ends of the guide rail component, the guide rail component comprises an outer guide rail and an inner guide rail, the two ends of the outer guide rail are respectively a sleeve joint end and a first end, the driving wheel is positioned at the first end, the two ends of the inner guide rail are respectively an insertion end and a second end, the first driven wheel and the second driven wheel are positioned at the second end, the insertion end is inserted into the sleeve joint end, a movable pulley used for tensioning the transmission belt is arranged in the inner guide rail through a second mounting seat, a traction cable is arranged on the second mounting seat, the other end of the traction cable is fixed with the sleeve joint end, the insertion end is provided with a fixed pulley through the first mounting seat, the traction, the transmission belt comprises a first transmission part, a second transmission part, a first tensioning part and a second tensioning part, the first transmission part is located between the driving wheel and the first driven wheel, the second transmission part is located between the driving wheel and the second driven wheel, the first transmission part penetrates through the outer rail and the inner rail, the second transmission part penetrates through the outer rail and the inner rail, the first tensioning part is located between the first driven wheel and the movable pulley, and the second tensioning part is located between the second driven wheel and the movable pulley.
Further, a pulley track is arranged in the inner guide rail, and the movable pulley moves in the pulley track.
Further, the orbital outside shaping of pulley has two convex first installation departments, and the inner wall shaping of inner rail has two first mounting grooves.
Further, the first mounting groove is provided with an upper limiting surface and a lower limiting surface.
Further, a traction block is arranged on the inner wall of the sleeved end, and the end part of the traction cable is fixed on the traction block.
Furthermore, two transmission grooves are formed in the inner rail, the first transmission part penetrates through one transmission groove, and the second transmission part penetrates through the other transmission groove.
Further, the guide rail assembly comprises two transmission rails, the first transmission part penetrates through one transmission rail, and the second transmission part penetrates through the other transmission rail.
Further, the downside shaping of outer track has first (window) curtain track groove, and the downside shaping of interior track has second (window) curtain track groove, and (window) curtain track groove is constituteed to first (window) curtain track groove and second (window) curtain track groove, has arranged in the (window) curtain track groove and has hung the wheel, hangs the wheel and passes through the gyro wheel and remove along (window) curtain track groove, and the roll portion of gyro wheel includes the great first portion of diameter and the less second portion of diameter, and the track face in (window) curtain track groove is followed in the second portion rolls.
Further, the lower side of the outer rail is formed with a first curtain rail groove, the lower side of the inner rail is formed with a second curtain rail groove, the first curtain rail groove and the second curtain rail groove form a curtain rail groove, a pulley is installed on the first transmission portion through a sliding block, the pulley moves along the curtain rail groove through a roller, the rolling portion of the roller comprises a first portion with a large diameter and a second portion with a small diameter, and the second portion rolls along the rail surface of the curtain rail groove.
Further, the transmission belt is a flat belt.
Has the advantages that: the tensioning of the transmission belt is adjusted through the traction rope and the movable pulley when the outer guide rail and the inner guide rail are stretched, the traction rope pulls the movable pulley to tension the transmission belt, and when the outer guide rail and the inner guide rail are shortened, the transmission belt pulls the movable pulley. The utility model discloses rational in infrastructure, make things convenient for the curtain pole flexible, but wide application in household equipment technical field.
Drawings
Fig. 1 is a structural view of a curtain rod;
fig. 2 is an exploded view of a curtain rod;
FIG. 3 is a front view of the assembled track assembly and belt, with the outer track and inner track cut-away;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a block diagram of a first end of the outer guide rail of FIG. 3, showing the drive track and belt;
FIG. 7 is a block diagram of a second end of the inner track of FIG. 3, shown with a drive belt;
FIG. 8 is an end view of the inner rail;
FIG. 9 is an end view of a pulley track;
FIG. 10 is a block diagram of the sled;
fig. 11 is a structural view of the hoist wheel.
Detailed Description
The present invention will be further described with reference to fig. 1 to 11.
The first embodiment is as follows:
the utility model relates to a curtain rod with adjustable length, which comprises a telescopic guide rail component, wherein a transmission belt is arranged in the guide rail component, the transmission belt is a synchronous belt, and the transmission belt is a flat belt. The two ends of the guide rail assembly are respectively provided with a driving wheel 11, a first driven wheel 12 and a second driven wheel 13, the guide rail assembly comprises an outer guide rail 14 and an inner guide rail 15, and the inner guide rail 15 is inserted into the outer guide rail 14, so that the extension and the retraction are realized. The two ends of the outer guide rail 14 are respectively a sleeved end and a first end, and the two ends of the inner guide rail 15 are respectively an insertion end and a second end, wherein the insertion end is inserted into the sleeved end. The driving pulley 11 is located at a first end and the first driven pulley 12 and the second driven pulley 13 are located at a second end.
The guide rail assembly has end heads 32 disposed at both ends thereof, the driving pulley 11 is mounted in the end head 32 at the first end, and the first driven pulley 12 and the second driven pulley 13 are mounted in the end head 32 at the second end.
A movable pulley for tensioning the transmission belt is disposed in the inner rail 15 through the second mounting seat 16, a pulley rail 23 is disposed in the inner rail 15, the second mounting seat 16 moves in a rail groove of the pulley rail 23, and the rail groove of the pulley rail 23 may be regarded as a tensioning rail groove. The second mounting seat 16 is provided with a traction cable 17, the other end of the traction cable 17 is fixed with the sleeve joint end, the inner wall of the sleeve joint end is provided with a traction block 26, the end part of the traction cable 17 is fixed on the traction block 26, and the traction block 26 is fixed on the sleeve joint end through a screw. The insertion end is provided with a fixed pulley through a first mounting seat 18, the first mounting seat 18 is fixedly mounted at the insertion end through a screw, and the traction cable 17 changes direction through the fixed pulley.
The transmission belt is sequentially transmitted with the first driven wheel 12, the movable pulley and the second driven wheel 13, and the movable pulley tensions the belt between the first driven wheel 12 and the second driven wheel 13. The transmission belt comprises a first transmission part 19, a second transmission part 20, a first tensioning part 21 and a second tensioning part 22, wherein the first transmission part 19 is positioned between the driving wheel 11 and the first driven wheel 12, the second transmission part 20 is positioned between the driving wheel 11 and the second driven wheel 13, the first transmission part 19 penetrates through the outer rail and the inner rail, the second transmission part 20 penetrates through the outer rail and the inner rail, the first tensioning part 21 is positioned between the first driven wheel 12 and the movable pulley, and the second tensioning part 22 is positioned between the second driven wheel 13 and the movable pulley. The wheel shafts of the driving wheel 11, the first driven wheel 12, the movable pulley and the second driven wheel 13 are arranged in parallel.
Taking the shortening of the curtain rod as an example: the inner guide rail 15 is gradually inserted into the outer guide rail 14, the traction block 26 is gradually far away from the insertion end of the inner guide rail 15, namely, the traction block 26 is gradually far away from the fixed pulley, the traction block 26 pulls the second mounting seat 16 to move towards the fixed pulley through the traction rope 17, so that the movable pulley pulls the redundant length part on the transmission belt caused by the shortening of the curtain rod into the tensioning rail groove, and the movable pulley realizes the tensioning effect on the transmission belt.
Correspondingly, when the curtain rod is extended, the driving belt pulls the movable pulley to move towards the second end, so that the second mounting seat 16 pulls the traction block 26 to move towards the fixed pulley through the traction rope 17, namely, the distance between the sleeving end and the inserting end is gradually reduced.
Two first mounting portions 24 are formed to protrude from the outer side of the pulley rail 23, the first mounting portions 24 are located at opposite sides, two first mounting grooves 25 are formed in the inner wall of the inner guide rail 15, openings of the two first mounting grooves 25 are opposite, and an upper limit surface and a lower limit surface are formed in the first mounting grooves 25. When the pulley rail 23 is inserted into the inner rail, the first mounting portion 24 is inserted into the corresponding first mounting groove 25.
Two transmission slots 27 are formed in the inner rail, the first transmission portion 19 passing through one of the transmission slots 27, and the second transmission portion 20 passing through the other transmission slot 27.
The guide rail assembly comprises two transmission rails 28, the first transmission part 19 penetrates through one transmission rail 28, the second transmission part 20 penetrates through the other transmission rail 28, and the two transmission rails 28 are positioned in the outer rail and used for restraining the position of the transmission belt in the outer rail and avoiding the mutual influence of the parts of the first transmission belt and the second transmission belt in the outer rail.
The lower side of the outer rail is formed with a first curtain rail groove, the lower side of the inner rail is formed with a second curtain rail groove, the first curtain rail groove and the second curtain rail groove form a curtain rail groove, the curtain rail groove is provided with two curtain rail parts, and a rail groove body is arranged between the two curtain rail parts.
The curtain rail groove is provided with a hanging wheel 29, the hanging wheel 29 moves along the curtain rail groove through a roller 30, two rollers 30 are arranged on the hanging wheel 29, and the hanging wheel 29 moves in the rail groove body. The first driving part 19 is provided with a pulley 31 through a slider, the pulley 31 moves along the rail groove of the curtain through a roller 30, at least one pair of rollers 30 is provided on the pulley 31, and the pulley 31 moves in the rail groove.
The pulley 31 and the hanging wheel 29 are used for hanging cloth, the transmission belt drives the pulley 31 to move through the sliding block, so that the cloth is unfolded or folded, and after the cloth is unfolded, the hanging wheel 29 hangs the middle part of the upper side of the cloth, so that the cloth is kept to be unfolded smoothly, and the middle part of the cloth is prevented from falling.
The rolling part of the roller 30 includes a first part with a larger diameter and a second part with a smaller diameter, the second part rolls along the track surface of the curtain track groove, the track surface is the upper side of the curtain track part, and a shaft shoulder is formed between the first part and the second part and is used for abutting against the side surface of the curtain track part.
Example two:
the difference between this embodiment and the first embodiment is that the pulley rail 23 is not disposed in the inner rail, but the rail groove of the original pulley rail 23 is formed in the inner rail, that is, the tension rail groove for the second mounting seat 16 to move along is formed in the inner rail.
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 (10)
1. The curtain rod with adjustable length is characterized in that: comprises a telescopic guide rail component, a transmission belt is arranged in the guide rail component, a driving wheel (11), a first driven wheel (12) and a second driven wheel (13) are respectively arranged at two ends of the guide rail component, the guide rail component comprises an outer guide rail (14) and an inner guide rail (15), a sleeving end and a first end are respectively arranged at two ends of the outer guide rail (14), the driving wheel (11) is positioned at the first end, an inserting end and a second end are respectively arranged at two ends of the inner guide rail (15), the first driven wheel (12) and the second driven wheel (13) are positioned at the second end, the inserting end is inserted into the sleeving end, a movable pulley used for tensioning the transmission belt is arranged in the inner guide rail (15) through a second mounting seat (16), a traction rope (17) is arranged in the second mounting seat (16), the other end of the traction rope (17) is fixed with the sleeving end, a fixed pulley is arranged at the inserting end through a, the transmission belt is in turn driven with first follow driving wheel (12), the movable pulley, second follow driving wheel (13) transmission, the transmission belt includes first transmission portion (19), second transmission portion (20), first tensioning portion (21) and second tensioning portion (22), first transmission portion (19) are located between action wheel (11) and first follow driving wheel (12), second transmission portion (20) are located between action wheel (11) and second follow driving wheel (13), first transmission portion (19) pass outer track and interior track, second transmission portion (20) pass outer track and interior track, first tensioning portion (21) are located between first follow driving wheel (12) and the movable pulley, second tensioning portion (22) are located between second follow driving wheel (13) and the movable pulley.
2. The length-adjustable curtain rod as claimed in claim 1, wherein: a pulley track (23) is arranged in the inner guide rail (15), and a movable pulley moves in the pulley track (23).
3. The length-adjustable curtain rod as claimed in claim 2, wherein: two first mounting parts (24) protruding from the outer side of the pulley rail (23) are formed, and two first mounting grooves (25) are formed in the inner wall of the inner guide rail (15).
4. A length-adjustable curtain rod as claimed in claim 3, wherein: the first mounting groove (25) has an upper limit surface and a lower limit surface therein.
5. The length-adjustable curtain rod as claimed in claim 1, wherein: a traction block (26) is arranged on the inner wall of the sleeved end, and the end part of the traction cable (17) is fixed on the traction block (26).
6. The length-adjustable curtain rod as claimed in claim 1, wherein: two transmission grooves (27) are formed in the inner rail, the first transmission part (19) penetrates through one transmission groove (27), and the second transmission part (20) penetrates through the other transmission groove (27).
7. The length-adjustable curtain rod as claimed in claim 6, wherein: the guide rail assembly comprises two transmission rails (28), wherein the first transmission part (19) penetrates through one transmission rail (28), and the second transmission part (20) penetrates through the other transmission rail (28).
8. The length-adjustable curtain rod as claimed in claim 1, wherein: the downside shaping of outer track has first (window) curtain track groove, and the downside shaping of interior track has second (window) curtain track groove, and (window) curtain track groove is constituteed to first (window) curtain track groove and second (window) curtain track groove, has arranged in the (window) curtain track groove and has hung wheel (29), hangs wheel (29) and passes through gyro wheel (30) and remove along (window) curtain track groove, and the roll portion of gyro wheel (30) includes the great first portion of diameter and the less second portion of diameter, and the track face in (window) curtain track groove is followed to the second portion rolls.
9. The length-adjustable curtain rod as claimed in claim 1, wherein: the downside shaping of outer track has first (window) curtain track groove, the downside shaping of interior track has second (window) curtain track groove, first (window) curtain track groove and second (window) curtain track groove constitution (window) curtain track groove, a coaster (31) is installed through the slider in first drive division (19), coaster (31) pass through gyro wheel (30) and move along (window) curtain track groove, the roll portion of gyro wheel (30) includes the great first portion of diameter and the less second portion of diameter, the track face in (window) curtain track groove is followed to the second portion rolls.
10. The length-adjustable curtain rod as claimed in claim 1, wherein: the transmission belt is a flat belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621795.2U CN211299426U (en) | 2019-09-26 | 2019-09-26 | Length-adjustable curtain rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621795.2U CN211299426U (en) | 2019-09-26 | 2019-09-26 | Length-adjustable curtain rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211299426U true CN211299426U (en) | 2020-08-21 |
Family
ID=72051913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921621795.2U Active CN211299426U (en) | 2019-09-26 | 2019-09-26 | Length-adjustable curtain rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211299426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112890563A (en) * | 2021-01-22 | 2021-06-04 | 广东创明遮阳科技有限公司 | Telescopic curtain guide rail and telescopic method thereof |
-
2019
- 2019-09-26 CN CN201921621795.2U patent/CN211299426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112890563A (en) * | 2021-01-22 | 2021-06-04 | 广东创明遮阳科技有限公司 | Telescopic curtain guide rail and telescopic method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Curtain rod with adjustable length Effective date of registration: 20220531 Granted publication date: 20200821 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: GUANGDONG CHUANGMING SUN-SHADE TECHNOLOGY Co.,Ltd. Registration number: Y2022980006775 |