CN216894192U

CN216894192U - Electric lifting curtain rope winder

Info

Publication number: CN216894192U
Application number: CN202122650826.0U
Authority: CN
Inventors: 祝裕山
Original assignee: Foshan Shangdian Sunshade Technology Co ltd
Current assignee: Foshan Shangdian Sunshade Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-07-05
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses an electric lifting curtain rope winder, which comprises a transmission tube and a winding tube, wherein the winding tube is sleeved outside the transmission tube, a transmission structure is arranged between the winding tube and the transmission tube, the transmission structure comprises an installation through groove arranged on the outer side wall of the transmission tube and an installation strip arranged on the inner side wall of the winding tube, the installation through groove extends along the length direction of the transmission tube, the installation strip extends along the length direction of the winding tube, the installation strip is connected in the installation through groove in a matching manner, an installation through hole is arranged on the outer side wall of the winding tube, the installation through hole extends along the radial direction of the winding tube, a locking piece is arranged in the installation through hole, one end of the locking piece, which is opposite to the transmission tube, is pressed on the transmission tube, and the utility model can realize the quick assembly of the winding tube and the transmission tube, and the power transmission of the two is realized.

Description

Electric lifting curtain rope winder

Technical Field

The utility model relates to a lifting curtain, in particular to an electric lifting curtain rope winder.

Background

When the electric curtain is used, the motor drive transmission shaft rotates, utilize the transmission shaft to drive the ropewinder and rotate, thereby realize receiving and releasing of rope, in order to realize the synchronous rotation of transmission shaft and ropewinder, generally be trompil on the lateral wall of transmission shaft, embolia the ropewinder to the transmission shaft after, squeeze into screw or other connecting pieces to the trompil on the ropewinder in, thereby realize synchronous rotation between them, this equipment mode need be through a plurality of processes, efficiency is lower, be difficult to improve the productivity effect.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a motorized window treatment cord winder, which solves one or more of the problems of the prior art, and provides at least one of the advantages of the present invention.

The solution of the utility model for solving the technical problem is as follows:

the utility model provides an electric lift (window) curtain ropewinder, includes driving tube and bobbin, the bobbin cup joint in the outside of driving tube, the bobbin with be provided with transmission structure between the driving tube, transmission structure including set up in the installation of driving tube lateral wall leads to the groove, set up in the mounting bar of bobbin inside wall, the installation leads to the groove and follows the length direction of driving tube extends, the mounting bar is followed the length direction of bobbin extends, the mounting bar cooperation connect in the inslot is led to in the installation, the lateral wall of bobbin is provided with the installation through-hole, the installation through-hole is followed the radial extension of bobbin, be provided with the retaining member in the installation through-hole, the retaining member is just right the one end of driving tube is supported and is pressed on the driving tube.

The technical scheme at least has the following beneficial effects: when adorning bobbin to the transmission pipe, the logical groove is led to in the installation is aimed at to the mounting bar, through mutually supporting between them, restriction bobbin and the relative rotation between the transmission pipe, realize that the bobbin is connected with the transmission of transmission pipe, then utilize the retaining member to support and press the transmission pipe, inject the radial distance between bobbin and the transmission pipe, it is more stable when making the bobbin rotate on the transmission pipe, be difficult to rock, so can realize the fast assembly of bobbin and transmission pipe, and realize power transmission between them.

As a further improvement of the above technical solution, a first clamping groove is formed in one side of the mounting bar extending along the length direction of the mounting bar, a first clamping bar is arranged at a position where the notch of the mounting through groove faces the first clamping groove, and the first clamping bar is connected in the first clamping groove in a matching manner. Utilize mutually supporting of first card strip and first draw-in groove, can further restrict the radial activity between bobbin and the drive tube for both cooperate to be connected inseparabler.

As a further improvement of the above technical solution, a second clamping groove is formed in the other side of the mounting bar extending along the length direction of the mounting bar, a second clamping bar is arranged in the middle of the side wall of the mounting through groove, the second clamping bar extends into the second clamping groove, and the second clamping bar abuts against the inner side wall of the second clamping groove far away from the bobbin. Utilize mutually supporting of second card strip and second draw-in groove, radial activity between same can further restrict bobbin and the transmission pipe to the second card strip misplaces each other on the mounting bar with first card strip, makes when rotating, and first card strip, second card strip and mounting bar contact can be with stress dispersion, and the structure is more stable.

As a further improvement of the above technical solution, a locking unit is disposed on the bobbin, the locking unit includes a movable plate, a spring, and a fixed plate, the movable plate, the spring, and the fixed plate are arranged on an end surface of the bobbin along a central direction away from the bobbin, the fixed plate is relatively fixed to the end surface of the bobbin, a positioning plate is disposed on a side of the movable plate away from the fixed plate, the positioning plate is slidably connected to the end surface of the bobbin, the positioning plate can move along the central direction close to or away from the bobbin, the spring is connected between the movable plate and the fixed plate, a plurality of slots are arranged on a bottom of the installation through slot along a length extending direction of the installation through slot, and the spring has a tendency of pressing the positioning plate into any one of the slots. Before packing into the bobbin to the drive tube, stir the locating plate and slide along the central direction of keeping away from the bobbin, fly leaf compression spring this moment, pack into the bobbin the drive tube after, remove the external force to the locating plate, the elasticity of spring makes the locating plate slide through the fly leaf and is close to the drive tube to one side of locating plate inserts in any draw-in groove, thereby inject the axial position of bobbin on the drive tube, realize fast assembly between them, location.

As a further improvement of the above technical solution, a plurality of limiting grooves are arranged on one side of the first clamping strip near the center of the installation through groove and/or one side of the second clamping strip near the center of the installation through groove, and the side edge of the positioning plate extends into one of the limiting grooves opposite to the side edge of the positioning plate. One side or both sides of locating plate insert to the spacing inslot, utilize first card strip and/or second card strip to inject the side of locating plate simultaneously for the axial position of bobbin on the driving tube is injectd better to the locating plate.

As a further improvement of the technical scheme, four transmission structures are uniformly arranged around the transmission pipe. The inside wall of bobbin has four mounting bars to be connected with the cooperation of leading to groove with four installations on the transmission pipe respectively promptly to improve bobbin and the stability of transmission pipe on power transmission is connected.

As a further improvement of the technical scheme, the outer peripheral wall of the winding drum is provided with a spiral groove in a surrounding mode. When winding the cord, the cord is spirally wound in the spiral groove of the outer peripheral wall of the bobbin.

As a further improvement of the above technical solution, the locking member is a bolt, and the bolt is connected in the mounting through hole by screw-thread fit. Namely, the end part of the bolt is pressed on the outer side wall of the transmission tube, so that the transmission tube and the winding reel are positioned in a radial direction.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is a side view of the present invention with the locking unit removed;

FIG. 2 is a perspective view of the present invention with the locking unit removed;

fig. 3 is a side view of the present invention with a locking unit.

In the drawings: 100-transmission tube, 110-installation through groove, 120-first clamping strip, 130-second clamping strip, 200-bobbin, 210-installation strip, 220-spiral groove, 310-movable plate, 320-spring, 330-fixed plate and 340-positioning plate.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 and 2, an electric lifting curtain cord winder includes a driving tube 100 and a bobbin 200, the bobbin 200 is sleeved outside the transmission tube 100, a transmission structure is arranged between the bobbin 200 and the transmission tube 100, the transmission structure comprises a mounting through groove 110 arranged on the outer side wall of the transmission pipe 100, a mounting bar 210 arranged on the inner side wall of the bobbin 200, the mounting through groove 110 extends in a length direction of the driving pipe 100, the mounting bar 210 extends in a length direction of the bobbin 200, the mounting bar 210 is fittingly connected to the mounting through groove 110, the outer side wall of the bobbin 200 is provided with a mounting through hole, the mounting through-hole extends in the radial direction of the bobbin 200, a locking member is provided in the mounting through-hole, one end of the locking piece, which is opposite to the transmission tube 100, is pressed against the transmission tube 100.

By the above, when adorning bobbin 200 to transmission pipe 100, logical groove 110 is led to in the installation to the mounting bar 210 alignment, through mutually supporting between them, restriction bobbin 200 and the relative rotation between transmission pipe 100, realize that bobbin 200 is connected with the transmission of transmission pipe 100, then utilize the retaining member to support and press transmission pipe 100, inject the radial distance between bobbin 200 and the transmission pipe 100, it is more stable when making bobbin 200 rotate on transmission pipe 100, be difficult to rock, so can realize bobbin 200 and transmission pipe 100's fast assembly, and realize power transmission between them.

In order to improve the tightness of the mutual matching connection between the mounting bar 210 and the mounting through groove 110, in this embodiment, a first clamping groove is formed in one side of the mounting bar 210 extending along the length direction thereof, a first clamping bar 120 is arranged at a position where the notch of the mounting through groove 110 faces the first clamping groove, and the first clamping bar 120 is connected in the first clamping groove in a matching manner. By the cooperation of the first locking strip 120 and the first locking groove, the radial movement between the bobbin 200 and the driving tube 100 can be further limited, so that the cooperation connection between the bobbin 200 and the driving tube is more tight.

As a further embodiment of the structure of the mounting bar 210 and the mounting through groove 110, a second clamping groove is formed in the other side of the mounting bar 210 extending along the length direction thereof, a second clamping bar 130 is arranged in the middle of the side wall of the mounting through groove 110, the second clamping bar 130 extends into the second clamping groove, and the second clamping bar 130 abuts against the second clamping groove and is far away from the inner side wall of the bobbin 200. By means of the mutual matching of the second clamping strip 130 and the second clamping groove, radial movement between the bobbin 200 and the transmission tube 100 can be further limited, and the second clamping strip 130 and the first clamping strip 120 are staggered on the mounting strip 210, so that when the bobbin rotates, stress can be dispersed when the first clamping strip 120, the second clamping strip 130 and the mounting strip 210 are in contact with each other, and the structure is more stable.

After the bobbin 200 is sleeved on the transmission tube 100, in order to realize rapid positioning of the position of the bobbin 200, as shown in fig. 3, in this embodiment, a locking unit is disposed on the bobbin 200, the locking unit includes a movable plate 310, a spring 320 and a fixed plate 330, the movable plate 310, the spring 320 and the fixed plate 330 are arranged on an end surface of the bobbin 200 along a direction away from a center of the bobbin 200, the fixed plate 330 is relatively fixed on the end surface of the bobbin 200, a positioning plate 340 is disposed on a side of the movable plate 310 away from the fixed plate 330, the positioning plate 340 is slidably connected to the end surface of the bobbin 200, the positioning plate 340 is movable along a direction close to or away from the center of the bobbin 200, the spring 320 is connected between the movable plate 310 and the fixed plate 330, a plurality of slots are arranged on a bottom of the installation through slot 110 along a length extending direction of the installation through slot 110, the spring 320 has a tendency to press the alignment plate 340 into either of the slots. Before the bobbin 200 is installed in the transmission tube 100, the positioning plate 340 is shifted to slide along the direction far away from the center of the bobbin 200, the movable plate 310 compresses the spring 320, after the bobbin 200 is installed in the transmission tube 100, the external force on the positioning plate 340 is removed, the elastic force of the spring 320 enables the positioning plate 340 to slide close to the transmission tube 100 through the movable plate 310, one side of the positioning plate 340 is inserted into any clamping groove, the axial position of the bobbin 200 on the transmission tube 100 is limited, and the quick assembly and the quick positioning of the bobbin 200 and the transmission tube 100 are realized.

In order to improve the structural stability of the positioning plate 340, in this embodiment, a plurality of limiting grooves are arranged on one side of the first clamping strip 120 close to the center of the mounting through slot 110 and/or one side of the second clamping strip 130 close to the center of the mounting through slot 110, and a side of the positioning plate 340 extends into one of the limiting grooves opposite to the side of the mounting through slot 110. One side or both sides of the positioning plate 340 are inserted into the limiting grooves, and the first clamping strip 120 and/or the second clamping strip 130 are used for simultaneously limiting the side edges of the positioning plate 340, so that the positioning plate 340 can better limit the axial position of the bobbin 200 on the transmission tube 100.

As a further example of the number of transmission structures provided, four transmission structures are arranged uniformly around the transmission tube 100. That is, the inner side wall of the bobbin 200 has four mounting bars 210 respectively connected with the four mounting through grooves 110 of the driving pipe 100 in a matching manner, so as to improve the stability of the bobbin 200 and the driving pipe 100 in power transmission connection.

In some embodiments, the outer peripheral wall of the bobbin 200 is provided with a spiral groove 220 around the outer peripheral wall. When winding the cord, the cord is spirally wound in the spiral groove 220 of the outer circumferential wall of the bobbin 200.

The retaining member is mainly used for being positioned in the mounting through hole and can offset the outer side wall of the transmission pipe 100, and in the embodiment, the retaining member is a bolt which is connected in the mounting through hole through threaded fit. Namely, the end of the bolt is pressed against the outer side wall of the driving tube 100, so as to realize the radial relative positioning of the driving tube 100 and the bobbin 200.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous modifications and substitutions without departing from the spirit of the present invention and within the scope of the appended claims.

Claims

1. The utility model provides an electric lift (window) curtain ropewinder which characterized in that: comprises a transmission tube (100) and a winding drum (200), wherein the winding drum (200) is sleeved on the outer side of the transmission tube (100), a transmission structure is arranged between the winding reel (200) and the transmission tube (100), the transmission structure comprises a mounting through groove (110) arranged on the outer side wall of the transmission pipe (100) and a mounting strip (210) arranged on the inner side wall of the winding drum (200), the mounting through groove (110) extends along the length direction of the transmission pipe (100), the mounting bar (210) extends in a length direction of the bobbin (200), the mounting bar (210) is connected in the mounting through groove (110) in a matching way, the outer side wall of the winding reel (200) is provided with a mounting through hole, the mounting through hole extends along the radial direction of the bobbin (200), a locking piece is arranged in the mounting through hole, one end of the locking piece, which is right opposite to the transmission pipe (100), is pressed against the transmission pipe (100).

2. The motorized window treatment cord winder of claim 1, wherein: one side that the mounting bar (210) extended along its length direction is provided with first draw-in groove, the notch that the installation led to the groove (110) just is provided with first card strip (120) to the position of first draw-in groove, first card strip (120) cooperation connect in the first draw-in groove.

3. The motorized window treatment cord winder of claim 2, wherein: the mounting bar (210) is provided with a second clamping groove along the other side extending in the length direction, a second clamping bar (130) is arranged in the middle of the side wall of the mounting through groove (110), the second clamping bar (130) extends into the second clamping groove, and the second clamping bar (130) abuts against the inner side wall of the bobbin (200) far away from the second clamping groove.

4. The motorized window treatment cord winder of claim 3, wherein: the bobbin (200) is provided with a locking unit, the locking unit comprises a movable plate (310), a spring (320) and a fixed plate (330), the movable plate (310), the spring (320) and the fixed plate (330) are arranged on the end surface of the bobbin (200) along the central direction far away from the bobbin (200), the fixed plate (330) is relatively fixed on the end surface of the bobbin (200), a positioning plate (340) is arranged on one side of the movable plate (310) far away from the fixed plate (330), the positioning plate (340) is connected to the end surface of the bobbin (200) in a sliding manner, the positioning plate (340) can move along the central direction close to or far away from the bobbin (200), the spring (320) is connected between the movable plate (310) and the fixed plate (330), and a plurality of clamping grooves are arranged at the bottom of the installation through groove (110) along the length extending direction of the installation through groove (110), the spring (320) has a tendency to press the positioning plate (340) into either of the slots.

5. The motorized window treatment cord winder of claim 4, wherein: the first clamping strip (120) is close to one side of the center of the installation through groove (110) and/or the second clamping strip (130) is close to one side of the center of the installation through groove (110), limiting grooves are formed in one side of the limiting grooves along the length extending direction of the installation through groove (110), and the side edge of the positioning plate (340) extends into one limiting groove opposite to the positioning plate.

6. The motorized window treatment cord winder of claim 1, wherein: the transmission structures are uniformly arranged with four around the transmission pipe (100).

7. The motorized window treatment cord winder of claim 1, wherein: the outer peripheral wall of the bobbin (200) is provided with a spiral groove (220) in a surrounding mode.

8. The motorized window treatment cord winder of claim 1, wherein: the retaining member is a bolt, and the bolt is connected in the mounting through hole in a threaded fit manner.