CN211448459U

CN211448459U - Manual rope winder structure for curtain

Info

Publication number: CN211448459U
Application number: CN201921567755.4U
Authority: CN
Inventors: 庄善棋
Original assignee: Abo Window Fashion Corp
Current assignee: Abo Window Fashion Corp
Priority date: 2018-09-28
Filing date: 2019-09-20
Publication date: 2020-09-08
Anticipated expiration: 2029-09-20
Also published as: PL3628810T3; TWM579206U; EP3628810B1; EP3628810A1

Abstract

The utility model provides a manual ropewinder structure for curtain, at least comprising a base, a ropewinder wheel group, a meshing group and a hand-operated device. It can additionally install in widely used stay cord formula (window) curtain on the market additional, make the consumer accessible the simplest additional mode reach hand pivoted stay cord adjustment function, not only can avoid changing the (window) curtain and increase shopping cost, and the installation operation of this ropewinder is simple and easy, quick, make things convenient for the consumer to install additional by oneself, promote the practicality of structure by a wide margin, in addition, when (window) curtain stay cord collocation ropewinder uses, this stay cord can be restricted between (window) curtain upper rail and ropewinder by the straight line, so as to prevent that the stay cord from swinging wantonly and forming the condition of entangling, knoing, and can avoid infant, child to drag the play and produce the emergence of dangerous events such as stumbling, winding neck, promote the security that the stay cord (window) curtain used by a wide margin.

Description

Manual rope winder structure for curtain

Technical Field

The present invention relates to a cord winder, and more particularly, to a manual cord winder structure for a window curtain.

Background

Nowadays, curtains are used in modern living rooms, mainly for shading sun and protecting privacy, and also for decorating the beauty of the living rooms, so as to show the appearance of the living rooms; in order to facilitate the unfolding and the rolling of the blades, the modern curtain is structurally provided with a pull rope for pulling the curtain blades to lift; however, the falling length of the pull rope is easy to swing with the wind, which not only affects the indoor beauty, but also often causes the phenomena of entanglement and knotting of the pull rope, thereby affecting the normal operation of the curtain; furthermore, the long hanging rope is mostly made of hard rope or steel strip, so that the unexpected accident of killing caused by the young children playing the curtain rope often occurs, and the curtain is dangerous to use, thereby forming the defect of using the existing curtain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned defect that prior art exists, provide a can additionally install the stay cord formula (window) curtain that extensively uses on the market additional, make the consumer's accessible the simplest install the manual serving winder structure for (window) curtain that the mode reaches hand pivoted stay cord adjustment function additional.

The utility model discloses a manual serving ware structure for (window) curtain, it contains: a base, a rope winding wheel group, an engaging group and a hand-operated device, wherein the base is provided with a calabash-shaped limiting frame body by a seat plate, the limiting frame body is provided with a circular rope winding space with an opening, a central shaft column is arranged at the center of the rope winding space, a rope outlet channel is arranged by extending upwards from the top end of the rope winding space, a combination part is also arranged below the limiting frame body, the combination part is hollow and is communicated with the rope winding space, a containing groove is arranged in the rope winding space of the base, the rope winding wheel group comprises two winding wheels which are assembled by abutting, the two winding wheels are respectively provided with a central through hole and a plurality of assembling through holes, the central shaft column of the rope winding space is penetrated by the central through hole, the outer side surfaces of the two winding wheels are provided with a movable gear, the inner side surfaces of the two winding wheels which are opposite are provided with an inclined plane ring part at the periphery, and the inclined plane ring part is provided with a plurality of engaging convex ribs in sequence, the engaging set is arranged in the combined part of the base and comprises a bearing seat, a top leaning wheel and a bottom plate, the bearing seat is H-shaped, two parallel vertical plates are provided with corresponding shaft holes, a horizontal plate between the two vertical plates is provided with a groove, the periphery of the top leaning wheel is provided with engaging embossings, the back side of the top leaning wheel is provided with a driven gear, the center of the driven gear is provided with an axle center and is bridged between the shaft holes of the two plate bodies, the bottom plate is fixedly arranged at the bottom end of the combined part and is provided with a limiting column facing the bearing seat, the limiting column is used for sleeving an elastic piece and is also upwards abutted against the bearing seat by the elastic piece so as to upwards push the top leaning wheel to ensure that the driven gear and the rope rolling wheel set are engaged to form a linkage state, the top leaning wheel is relatively positioned between the two rolling wheels, the hand crank is matched and arranged in the rope rolling space of the limiting frame body and is provided with a cover plate part and a handle part, the inner side surface of the cover plate part is provided with two combination columns which are in inserted connection with the two assembly through holes of one of the winding wheels, and the rope winding wheel set is driven to rotate by the hand crank.

Optionally, a first ring body is disposed below the limiting frame in the rope winding space, a gap is formed at the bottom of the first ring body and communicated with the accommodating groove, a second ring body is disposed at the inner side of the cover plate of the hand-operated device corresponding to the first ring body, and the second ring body does not have a gap at the joint with the first ring body when the hand-operated device is assembled.

Optionally, the inner wall of the rope outlet channel is provided with a plurality of longitudinal ribs, and the lower half part of the rope outlet channel is provided with a supporting step part for inserting and mounting a sleeve.

Optionally, the two rolling wheels have corresponding convex and concave parts on the wall surface adjacent to each other by the plurality of assembling through holes, so that the two rolling wheels are connected in a clamping manner, and the two assembling through holes are locked and fixed by the locking piece.

Optionally, a central screw hole is formed at the end of the central shaft column, two convex columns are arranged around the central screw hole, and a limiting plate is assembled in a matching manner and provided with a through hole and two concave holes.

Optionally, an opening is formed at the bottom end of the combination part, two combination screw holes are longitudinally arranged on the outer wall, and a through hole is arranged on the front side of the accommodating groove.

Optionally, a pulling portion is disposed on one side of the receiving seat of the engaging set, the pulling portion penetrates through the through hole, the bottom plate has two combining holes, the two locking members are matched to be locked and fixed with the bottom end of the combining portion, and the bottom plate further has a limiting cover plate corresponding to the through hole, so as to define a distance that the receiving seat is pulled by the pulling portion.

Optionally, a longitudinal groove is further formed in the inner wall of the accommodating groove of the combining portion, so that the vertical plate of the bearing seat can be limited and assembled.

Efficacy against the prior art: (one), this serving ware can additionally install in widely used stay cord formula (window) curtain on the market additional, makes the simplest additional mode of installing of consumer accessible reach hand pivoted stay cord adjustment function, not only can avoid changing the (window) curtain and increase shopping cost, and this serving ware's installation simple and easy, quick, makes things convenient for the consumer to install by oneself DIY additional, promotes the practicality of structure by a wide margin, adds consumer's purchasing intention simultaneously.

In addition, when the curtain pull rope is matched with the rope winder for use, the pull rope is limited between the curtain upper rail and the rope winder by a straight line, so that the condition that the pull rope is entangled and knotted due to random swinging can be prevented, the dangerous events such as stumbling and neck winding caused by the fact that infants, children and children pull the game can be avoided, and the use safety of the pull rope curtain is greatly improved.

Drawings

FIG. 1: is a three-dimensional view of the utility model;

FIG. 2: is an exploded view of the utility model;

FIG. 3: is a combined sectional view of the utility model;

FIG. 4: is a combined sectional view with another angle of the utility model;

FIG. 5: is a combined sectional view taken along the line A-A of FIG. 4;

FIG. 6: is a schematic diagram of the bearing seat of the utility model pressing downwards and keeping away from the rope winding wheel group;

FIG. 7: is a schematic diagram of A-A line cutting of the meshing group far away from the rope winding wheel group;

FIG. 8: is a B-B line cutting schematic diagram of the meshing group far away from the rope winding wheel group;

FIG. 9: is the schematic diagram of the actuation state of the present invention.

The notation in the figure is:

10, a base; 11 seat boards; 12 limiting frame bodies; 13 rope winding space; 131 a first ring body; 14 a central axial column; 141 central screw hole; 142 convex columns; 15 limiting plate; 151 punching; 152 a concave hole; 16 rope outlet channels; 161 ribs; 162 against the step; 163 a sleeve; 17 a combining part; 171 accommodating groove; 172 combination screw holes; 173 longitudinal grooves; 174 through-holes; 20 rope winding wheel groups; 21, winding wheel; 211 a central bore; 212 group of through holes; 213 a convex portion; 214 a recess; 215 a lock; 216 a detent gear; 217 bevel ring part; a 218V-shaped ring groove; 219 engaging the rib; 30 meshing groups; 31 a bearing seat; 311 shaft holes; 312 grooves; 313 pulling part; 32 top leaning wheels; 321 meshing embossing; 322 driven gear; 323 the axis; 33 a base plate; 331 a combination hole; 332 a lock; 333 limit post; 334 an elastic member; 335 a limit cover plate; 40 a hand crank; 41 cover plate parts; 411 binding column; 412 a second ring; 413 bolt; 42 turns the handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

First, referring to fig. 1 to 3, a manual cord winder structure for a window covering includes: a base 10, a rope winding wheel set 20, a meshing set 30 and a hand crank 40, the base 10 is provided with a gourd-shaped limiting frame 12 by a seat plate 11, the limiting frame 12 is provided with a circular rope winding space 13 with an opening, the center of the rope winding space 13 is provided with a central shaft post 14, the end part of the central shaft post 14 is provided with a central screw hole 141, the periphery of the central screw hole 141 is provided with two convex columns 142, a limiting plate 15 is also assembled in a matching way, the limiting plate 15 is provided with a through hole 151 and two concave holes 152, the top end of the rope winding space 13 extends upwards to be provided with a rope outlet channel 16, the inner wall of the rope outlet channel 16 is provided with a plurality of longitudinal convex ribs 161, the lower half part of the rope outlet channel 16 is provided with an abutting step 162 for the inserting installation of a sleeve 163, the lower part of the limiting frame 12 is also provided with a combination part 17, the combination part 17 is hollow and is communicated with the rope winding space 13 and is provided with a containing groove 171, the bottom of the containing groove 171 forms an opening, and there are two combined screw holes 172 longitudinally on the outer wall, and the containing groove 171 has a longitudinal groove 173 on the inner wall, and there is a through hole 174 through the front side, and the rope rolling space 13 is lower than the limit frame 12 and has a first ring 131, the bottom of the first ring 131 forms a gap to communicate with the containing groove 171, the rope rolling wheel set 20 is assembled in the rope rolling space 13 of the base 10, including two rolling wheels 21 assembled together, two rolling wheels 21 have a central through hole 211 and a plurality of assembling through holes 212, and the two rolling wheels 21 have a corresponding convex 213 and concave 214 on the wall surface by the assembling through holes 212, and further connect the two rolling wheels 21 in a clamping way, and then two assembling through holes 212 are locked and fixed by the locking piece 215, and the two rolling wheels 21 have a brake gear 216 on the outer side, and two rolling wheels 21 have a bevel ring 217 on the outer periphery, a V-shaped ring groove 218 is formed between the two winding wheels 21, the inclined ring part 217 is further sequentially provided with a plurality of engaging ribs 219, the engaging set 30 is assembled in the assembly part 17 of the base 10 and comprises a bearing seat 31, a top rest wheel 32 and a bottom plate 33, the bearing seat 31 is H-shaped, two parallel vertical plates are provided with corresponding shaft holes 311, a groove 312 is formed by a horizontal plate between the two vertical plates, a pulling part 313 is arranged on one side of the bearing seat 31, the pulling part 313 penetrates out of the through hole 174, the periphery of the top rest wheel 32 is provided with engaging embossings 321, the back side is provided with a driven gear 322, an axis 323 is arranged at the center and bridged between the shaft holes 311 of the two vertical plates, the bottom plate 33 is provided with two assembly holes 331, two locking parts 332 are matched and locked and fixed with the bottom end of the assembly part 17, and the bottom plate 33 is provided with a limit column 333 facing the bearing seat 31, the limiting post 333 is used to fit an elastic member 334, and the elastic member 334 is used to prop up against the receiving base 31, further push the propping wheel 32 upward to make the driven gear 322 and the rope winding wheel set 20 engaged to form a linkage state, the leaning wheel 32 is located between the two rolling wheels 21, and the bottom plate 33 is further provided with a limit cover plate 335 corresponding to the through hole 174, so as to define the distance of pressing and pulling the bearing seat 31 by the pulling portion 313, the hand-operated device 40 is installed in the rope winding space 13 of the limit frame 12, and has a cover plate portion 41 and a handle portion 42, the inner surface of the cover plate 41 is provided with two connecting posts 411, and the two connecting posts 411 are inserted into and connected with two assembling through holes 212 of one of the reels 21, and a second ring 412 is disposed on the inner side of the cover portion 41 corresponding to the first ring 131, the second ring 412 does not have a gap with the first ring 131 when the hand crank 40 is assembled.

The structure of the rope winder is shown in fig. 2 to 5, the rope winding wheel set 20, the meshing set 30 and the hand crank 40 are sequentially installed on the base 10, the rope winding wheel set 20 combines the two rope winding wheels 21 by side surfaces with inclined plane ring portions 217, and utilizes the convex portions 213 and concave portions 214 formed by the end surfaces of the assembly through holes 212 to be clamped and positioned with each other, and then the two rope winding wheel sets are locked and fixed by the two locking pieces 215, thereby completing the assembly of the rope winding wheel set 20, a V-shaped ring groove 218 is formed between the two rope winding wheels 21 through the inclined plane ring portions 217, the rope winding wheel set 20 is penetrated through the central shaft column 14 of the rope winding space 13 by the central through hole 211, and the end portion of the central shaft column 14 is also matched and assembled with a limiting plate 15, thereby limiting the rope winding wheel set 20 in the rope winding space 13, the leaning wheel 32 of the meshing set 30 straddles the shaft holes 311 of the vertical plates on both sides of the bearing seat 31 by the shaft center 323, the bottom plate 33 is pivotally disposed under the bearing seat 31, and is sleeved with an elastic member 334 by the limiting post 333 to abut against and limit the groove 312 of the bearing seat 31, and finally the engaging set 30 is assembled into the containing groove 171 of the combining portion 17 from bottom to top, the bearing seat 31 is assembled into the containing groove 171 along the longitudinal groove 173 by a vertical plate, and the pulling portion 313 is protruded out of the through hole 174 of the combining portion 17, and the bottom plate 33 is fixed at the bottom of the containing groove 171 by the locking member 332, so that the bearing seat 31 is pushed by the elastic member 334 to move upward, and further the abutting wheel 32 is relatively positioned between the V-shaped grooves 218 of the two winding wheels 21, and simultaneously the passive gear 322 is engaged with the pulling gear 216 of one winding wheel 21 to form linkage, and finally the hand crank 40 is relatively mounted in the rope winding space 13 of the limiting frame 12, the second ring body 412 is inserted into the rope winding space 13 in contraposition, and the two combining posts 411 of the cover plate portion 41 are connected with the two through holes 212 of the winding wheel 21, the cover plate 41 is abutted and limited at the opening end, and the combining column 411 can be locked into the bolt 413 to be combined and fixed with the winding wheel 21 so as to achieve the driving rotation of the rope winding wheel set 20 through the rotation of the hand crank 40, and the structure is completed through the structure.

In the actual use state of the structure, as shown in fig. 6 to 8, the cord winder is fixed on the wall through the base 10, and is used with the cord 50 of the curtain, and the cord 50 of the curtain is vertically arranged and forms a connected arc shape at the end, because the engaging set 30 is pushed against the cord winding wheel set 20 by the elastic member 334 in the normal state, when the cord 50 is used with the cord winder, the hand crank 40 is detached from the base 10, and the pulling portion 313 protruding out of the through hole 174 is pulled downwards, so that the receiving base 31 is downward and the pushing wheel 32 is far away from the cord winding wheel set 20, at this time, the cord 50 can be guided into the cord winding space 13 from the cord outlet channel 16, and then the pulling portion 313 is wound around the V-shaped annular groove 218 between the cord winding wheel sets 20 to form a stretching state, and the pulling portion 313 can be pushed against the elastic member 334 to move upwards by releasing the elastic member 313, so that the cord is engaged and clamped between the V-shaped annular grooves 218 by the top wheel 32, the driven gear 322 is engaged with the brake gear 216 of the winding wheel 21, and finally the hand crank 40 is installed back to complete the configuration between the rope winder and the pull rope, so that the rope winder can be additionally installed on the pull rope type curtain widely used in the market, and the practicability of the structure is greatly improved.

Referring to fig. 3 to 5 in conjunction with fig. 9, when the pulling rope 50 is wound around the V-shaped ring groove 218 of the rope winding wheel set 20 and is clamped and limited by the leaning wheel 32, and the driven gear 322 of the leaning wheel 32 is engaged between the two detent gears 216 of the rolling wheels 21, when the user rotates the hand rocker 40, the rope winding wheel set 20 will rotate along with the rotation of the hand rocker 40 and drive the leaning wheel 32 to rotate, and then the two rolling wheels 21 engage the pulling rope 50 with the engaging rib 219 of the inclined ring 217 and the engaging emboss 321 on the surface of the leaning wheel 32, so as to form a circular motion of pulling down and pushing up the pulling rope 50, and to link the pulling rope 50 to achieve the control operation of the window curtain.

With the structure of the above embodiment, the following benefits can be obtained: this serving winder can additionally install in widely used stay cord formula (window) curtain on the market additional, makes the simplest additional mode of installing of consumer accessible reach hand pivoted stay cord adjustment function, not only can avoid changing the (window) curtain and increase shopping cost, and this serving winder's installation simple and easy, quick, makes things convenient for the consumer to install additional by oneself DIY more, promotes the practicality of structure by a wide margin, adds consumer's purchasing wish simultaneously.

In addition, when the curtain cord 50 is used with the cord winder, the cord 50 is linearly restricted between the curtain upper rail and the cord winder, so that the cord 50 can be prevented from being entangled or knotted due to random swing, and the occurrence of dangerous events such as stumbling and neck winding caused by a baby, infant or child pulling the play can be avoided, thereby greatly improving the safety of the use of the cord-pulled curtain.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A manual cord winder structure for a window covering, comprising: a base, a seat board is provided with a gourd-shaped limiting frame body, the limiting frame body is provided with a circular rope rolling space with an opening, the center of the rope rolling space is provided with a central shaft column, the top end of the rope rolling space extends upwards to form a rope outlet channel, a combination part is further arranged below the limiting frame body, the combination part is hollow and communicated with the rope rolling space, and the combination part is further provided with a containing groove;

the rope winding wheel set is assembled in the rope winding space of the base and comprises two winding wheels which are assembled in an abutting mode, each winding wheel is provided with a central through hole and a plurality of assembling through holes, the central through holes penetrate through a central shaft column of the rope winding space, the outer side faces of the two winding wheels are provided with a braking gear, the inner side faces, facing to each other, of the two winding wheels are provided with an inclined plane ring portion on the periphery, and the inclined plane ring portion is further provided with a plurality of meshing convex ribs in sequence;

the engaging group is assembled in the combined part of the base and comprises a bearing seat, a propping wheel and a bottom plate, wherein the bearing seat is H-shaped, two parallel vertical plates are provided with corresponding shaft holes, a groove is formed in a horizontal plate between the two vertical plates, the periphery of the propping wheel is provided with engaging embossing, the back side of the propping wheel is provided with a driven gear, an axis is arranged in the center of the bearing seat and bridged between the shaft holes of the two plate bodies, the bottom plate is fixedly arranged at the bottom end of the combined part, a limiting column is arranged towards the bearing seat and used for sleeving an elastic piece, the elastic piece is upwards propped against the bearing seat, the propping wheel is further upwards pushed to prop the propping wheel, so that the driven gear and the rope winding wheel group are engaged to form a linkage state, and the propping wheel is relatively positioned between the two winding wheels;

the hand-operated device is matched with the rope rolling space arranged in the limiting frame body and is provided with a cover plate part and a handle part, two combination columns are arranged on the inner side surface of the cover plate part and are connected with two assembly through holes of one of the rolling wheels in an inserting mode, and then the hand-operated device is driven to rotate by the rope rolling wheel set.

2. The manual rope winder structure for window curtains according to claim 1, wherein a first ring body is provided below the limit frame, a gap is formed at the bottom of the first ring body to communicate with the accommodating groove, a second ring body is provided at the inner side of the cover plate of the hand crank corresponding to the first ring body, and the second ring body does not have a gap at the joint with the first ring body when the hand crank is assembled.

3. The manual cord winder structure for window curtains according to claim 1, wherein the inner wall of the cord outlet channel is provided with a plurality of longitudinal ribs, and a lower half part of the cord outlet channel is provided with an abutting step for inserting and mounting a sleeve.

4. The manual cord winder structure for window curtains according to claim 1, wherein the two winding wheels have corresponding protrusions and recesses on the wall surfaces thereof, which are abutted against each other, through the two assembling holes, so that the two winding wheels are connected in a snap-fit manner, and the two assembling holes are locked and fixed by the locking member.

5. The manual cord winder structure for window curtains according to claim 1, wherein the end of the central shaft is provided with a central screw hole, and two protruding posts are provided around the central screw hole, and a limiting plate is assembled with the central screw hole, and the limiting plate is provided with a through hole and two concave holes.

6. The manual rope winder structure for window curtains according to claim 1, wherein an opening is formed at the bottom end of the combination section, two combination screw holes are longitudinally formed on the outer side wall of the combination section, and the accommodating groove is provided with a through hole penetrating through the front side.

7. The manual cord winder structure for window curtains according to claim 6, wherein the receiving base of the engaging set is provided with a pulling portion at one side and the pulling portion is extended out of the through hole, the bottom plate is provided with two combining holes, two locking members are matched to be locked and fixed with the bottom end of the combining portion, and the bottom plate is further provided with a limiting cover plate corresponding to the through hole, thereby limiting the distance of the receiving base being pulled by the pulling portion.

8. The manual cord winder structure for window curtains as claimed in claim 1, wherein the inner wall of the receiving groove of the combining part is further provided with a longitudinal groove for limiting and assembling the vertical plate of the receiving seat.