CN218128023U - Pulley adjustable mounting mechanism of curtain telescopic rail - Google Patents

Abstract

The utility model relates to an adjustable installation mechanism of pulley of curtain telescopic rail. It has solved current belt and the not firm technical problem of waiting of coaster connection. Set up the adjustable coaster in flexible track, adjustable coaster upper end one side has the positioning seat, the hold-in range location passageway that supplies the hold-in range to penetrate has in the positioning seat, one side that is close to the coaster clamp plate at the positioning seat has the uncovered that is linked together with hold-in range location passageway, coaster clamp plate upper end is equipped with through reinforced connection structure can with uncovered seal and with the location portion that the hold-in range lateral part supported, both ends have respectively about the location portion transversely run through hold-in range location passageway and peg graft in the grafting portion that the open one side was kept away from to the positioning seat, coaster clamp plate lower extreme activity is worn to locate adjustable coaster and is linked to each other through locking structure and adjustable coaster lower extreme. Has the advantages that: the belt transmission space that clamp plate upper end and coaster upper end formed has strengthened the frictional force of belt and coaster, and the better belt of cliping of coaster, coaster and belt have reduced the phenomenon that the pine takes off and skids.

Description

Pulley adjustable mounting mechanism of curtain telescopic rail

Technical Field

The utility model belongs to the technical field of electric window curtain equipment, concretely relates to adjustable installation mechanism of coaster of flexible rail of (window) curtain.

Background

Along with the continuous improvement of the technological level, more and more intelligent home furnishings appear in the life of people and are loved by most modern people, and the electric curtain is taken as one of the representatives of the intelligent home furnishing, so that the life of people is facilitated. The existing household curtain installation method has the advantages that the curtain installation method firstly measures the curtain size and then customizes the curtain size, the cost is increased, and the time is prolonged, so that the telescopic rail with adjustable length appears on the market, the length adjustment of the telescopic rail also causes the pulley to be incapable of freely changing the position along with the telescopic movement of the rail, the pulley and the belt also appear to be displaced and slipped when the belt runs, and the normal use of people is influenced.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a belt telescopic rail [201921622312.0] comprising a first rail and a second rail, a rotating wheel, a belt, a first pulley and a second pulley, which are relatively slidable, wherein when in use, the first tensioner and the second tensioner are simultaneously loosened, the belt is disengaged from the first pulley and the second pulley, the movable end of the belt is pulled, the first rail and the second rail are moved to make the length of the rail meet the installation requirement, and then the first tensioner and the second tensioner are tightened to engage the belt with the first pulley and the second pulley.

Above-mentioned scheme has solved the problem of current coaster along with flexible free transform of flexible rail to a certain extent, but this scheme still has a lot of not enough, and the phenomenon such as pine takes off appears connecting insecure, appearing in the operation in for example belt and coaster.

Disclosure of Invention

The utility model aims at the above problem, provide an adjustable installation mechanism of coaster of flexible rail of (window) curtain.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this adjustable installation mechanism of coaster of flexible rail of (window) curtain sets up in flexible track, flexible track internalization wear to be equipped with the hold-in range, this coaster activity installation mechanism is including the adjustable coaster of activity setting in flexible track, adjustable coaster upper end one side the positioning seat has, the positioning seat in have the axial to run through the positioning seat and supply the hold-in range location passageway that the hold-in range penetrated, positioning seat one side the coaster clamp plate has the uncovered that is linked together with hold-in range location passageway in one side that the positioning seat is close to the coaster clamp plate, coaster clamp plate upper end be equipped with through strengthening connection structure can with uncovered closed and with the location portion that the hold-in range lateral part supported, just location portion about both ends have respectively and transversely run through hold-in range location passageway and peg graft in the positioning seat and keep away from the grafting portion of open one side, coaster clamp plate lower extreme activity wear to locate adjustable coaster and link to each other through locking structure and adjustable coaster lower extreme. Two upper and lower grafting portions, location portion and the positioning seat of location portion have formed a location space of wrapping up the hold-in range, and the coaster lower extreme passes through locking structure with the clamp plate and makes this location space more firm, and the coaster has reduced the pine when belt drive like this and has taken off the possibility.

In the pulley adjustable installation mechanism of the curtain telescopic rail, the insertion part is an upper insertion part and a lower insertion part which are integrally formed on the positioning part and are correspondingly arranged up and down, the upper insertion part and the lower insertion part are different in shape and size, the distance between the upper insertion part and the lower insertion part is larger than the width of the synchronous belt, the upper insertion part is inserted into the upper insertion hole at one side of the positioning seat far away from the opening, and the lower insertion part is inserted into the lower insertion hole at one side of the positioning seat far away from the opening. Therefore, a tight space can be formed, and the synchronous belt can be better attached to the pulley.

In the pulley adjustable installation mechanism of the curtain telescopic rail, one side of the positioning part between the upper insertion part and the lower insertion part is provided with concave-convex parts which are distributed in the axial direction. The friction force between the pulley and the synchronous belt is strengthened through the concave-convex part.

In the adjustable installation mechanism of coaster of foretell flexible rail of (window) curtain, the reinforced connection structure include the first horizontal part that links to each other with coaster clamp plate upper end, first horizontal part link to each other through vertical portion and second horizontal part, just the second horizontal part link to each other through reinforcing part and the location portion that the slope set up, just first horizontal part, vertical portion, second horizontal part, reinforcing part and location portion all with coaster clamp plate integrated into one piece, coaster clamp plate and first horizontal part between, between first horizontal part and the vertical portion, between vertical portion and the second horizontal part link to each other through arc transition portion respectively.

In the adjustable installation mechanism of the pulley of the curtain telescopic rail, the upper end of the adjustable pulley is provided with a movable groove for the vertical insertion of the pulley pressing plate, the width of the movable groove is larger than the thickness of the pulley pressing plate, and one side of the movable groove is provided with a step which is positioned between the adjustable pulley and the positioning seat and is respectively matched with the first horizontal part, the vertical part and the second horizontal part. The adjustable pulley is tightly attached to the pressing plate, so that the pulley is firmer.

In the pulley adjustable installation mechanism of the curtain telescopic rail, the lower end of the adjustable pulley extends to the outer side of the telescopic rail and is connected with the pulley arm through a detachable structure.

In the adjustable installation mechanism of coaster of the flexible rail of foretell (window) curtain, detachable construction including forming in adjustable coaster lower extreme and being located the coaster arm installation department in the flexible track outside, the coaster arm be crooked form and one end have the coaster arm location portion of cup jointing on the coaster arm installation department, coaster arm installation department on have with the spacing portion that coaster arm location portion offseted and leaned on, just coaster arm installation department and coaster arm location portion between link to each other through removable subassembly. When the pulley moves to any position of the track and the belt, the pulley arm is buckled at a locking position.

In the adjustable installation mechanism of coaster of the flexible rail of foretell (window) curtain, removable subassembly include a plurality of mounting holes of setting on coaster arm installation department, coaster arm location portion on be equipped with the locating hole that corresponds with the mounting hole respectively, just the mounting hole pass through coaster arm locking screw and link to each other with the locating hole.

In the adjustable installation mechanism of coaster of foretell flexible rail of (window) curtain, locking structure including setting up the first locking hole on coaster arm installation department, coaster clamp plate lower extreme extend to coaster arm installation department one side and be equipped with first locking hole corresponding second locking hole, just coaster arm location portion on be equipped with first locking hole and second locking hole corresponding breach, just first locking hole and second locking hole pass through locking bolt and link to each other. The pulley and the pressing plate are more stable through the pulley arm and the locking bolt.

In the adjustable installation mechanism of coaster of foretell flexible rail of (window) curtain, adjustable coaster still including being formed at coaster arm installation department upper end and having the lateral sliding part that leans on with flexible track inner wall counterbalance, lateral sliding part and coaster arm installation department between form T shape structure, just movable groove and step all be formed on lateral sliding part.

Compared with the prior art, the utility model has the advantages of:

1. the pulley can freely move on the belt, and then the pulley arm is used as a fixing piece to lock the pulley arm at a target position, and the fixing piece of the pulley arm can be used for hanging a curtain hook and hanging a curtain to realize multiple purposes.

2. The space wrapping the synchronous belt is formed by the upper and lower two insertion parts, the upper end of the pressing plate and the upper end of the pulley, concave-convex parts are further arranged between the upper and lower two insertion parts of the pressing plate, the lower end of the pulley and the pressing plate enable the positioning space to be more stable through a locking structure, the pulley can better clamp the belt, and the pulley and the belt reduce the phenomenon of loosening and slipping during the operation of the belt.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a structural sectional view of the present invention.

Fig. 4 is a schematic structural view of the middle adjustable pulley of the present invention.

Fig. 5 is a schematic structural diagram of the middle pulley pressing plate of the present invention.

In the figure: the pulley locking mechanism comprises a synchronous belt 1, a synchronous belt positioning channel 11, an adjustable pulley 2, a step 21, a transverse sliding portion 22, a positioning seat 3, a pulley pressing plate 4, a reinforcing connecting structure 5, a first horizontal portion 51, a vertical portion 52, a second horizontal portion 53, a reinforcing portion 54, an arc-shaped transition portion 55, a positioning portion 6, an inserting portion 61, an upper inserting portion 611, a lower inserting portion 612, an upper inserting hole 613, a lower inserting hole 614, a concave-convex portion 62, a locking structure 7, a pulley arm 71, an installation portion 72, a limiting portion 721, a first locking hole 722, a second locking hole 723, a positioning portion 73, a detachable component 74, an installation hole 741, a positioning hole 742 and a locking screw 75.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, fig. 2, 4 and 5, the adjustable installation mechanism of pulley of this flexible track of (window) curtain, the setting is in flexible track, hold-in range 1 is worn to be equipped with by flexible track internalization, this pulley activity installation mechanism sets up adjustable pulley 2 in flexible track including the activity, 2 upper end one side of adjustable pulley has positioning seat 3, hold-in range location passageway 11 that the axial runs through positioning seat 3 and supplies hold-in range 1 to penetrate has in positioning seat 3, positioning seat 3 one side has pulley clamp plate 4, one side that is close to pulley clamp plate 4 at positioning seat 3 has the uncovered that is linked together with hold-in range location passageway 11, pulley clamp plate 4 upper end is equipped with through strengthening connection structure 5 can with uncovered closed and with hold-in range 1 lateral part support location portion 6, and location portion 6 upper and lower extreme have respectively transversely to run through hold-in range location passageway 11 and peg graft in the grafting portion 61 that positioning seat 3 keeps away from uncovered one side, pulley clamp plate 4 lower extreme activity is worn to locate adjustable pulley 2 and is continuous with adjustable pulley 2 lower extreme through locking structure 7. The upper and lower two grafting portions of location portion, location portion and positioning seat have formed a space of wrapping up hold-in range 1, and 2 lower extremes of adjustable coaster and 4 lower extremes of coaster clamp plate are passed through locking structure 7 and are makeed firm, make the belt when the removal coaster reduce the pine take off probably.

Specifically, referring to fig. 2 and 5, the inserting-connecting part 61 is divided into an upper inserting-connecting part 611 and a lower inserting-connecting part 612 which are integrally formed on the positioning part 6 and are correspondingly arranged up and down, the upper inserting-connecting part 611 and the lower inserting-connecting part 612 have different shapes and sizes, the distance between the upper inserting-connecting part 611 and the lower inserting-connecting part 612 is greater than the width of the synchronous belt 1, the upper inserting-connecting part 611 is inserted into the upper inserting-connecting hole 613 on the side of the positioning base 3 away from the opening, and the lower inserting-connecting part 612 is inserted into the lower inserting-connecting hole 614 on the side of the positioning base 3 away from the opening. Therefore, a clamping space can be formed, and the synchronous belt 1 can be better attached to the pulley.

The positioning portion 6 has concave-convex portions 62 distributed in the axial direction on one side between the upper insertion-connection portion 611 and the lower insertion-connection portion 612. Thus, the pulley and the synchronous belt 1 can strengthen the friction force through the concave-convex part.

Further, the reinforced connecting structure 5 comprises a first horizontal part 51 connected with the upper end of the pulley pressing plate 4, the first horizontal part 51 is connected with a second horizontal part 53 through a vertical part 52, the second horizontal part 53 is connected with a positioning part 6 through a reinforcing part 54 which is obliquely arranged, the first horizontal part 51, the vertical part 52, the second horizontal part 53, the reinforcing part 54 and the positioning part 6 are integrally formed with the pulley pressing plate 4, and the first horizontal part 4 and the first horizontal part 51, the first horizontal part 51 and the vertical part 52, and the vertical part 52 and the second horizontal part 53 are respectively connected through arc-shaped transition parts 55.

As shown in fig. 2, the upper end of the adjustable pulley 2 is provided with a movable groove for vertically inserting the pulley pressing plate 4, the width of the movable groove is larger than the thickness of the pulley pressing plate 4, and one side of the movable groove is provided with a step 21 which is located between the adjustable pulley 2 and the positioning seat 3 and is respectively matched with the first horizontal part 51, the vertical part 52 and the second horizontal part 53. The tight fit of the adjustable pulley 2 and the pulley pressing plate 4 can make the pulley firmer.

Referring to fig. 1 and 2, the lower end of the adjustable trolley 2 extends to the outside of the telescopic rail and is connected with a trolley arm 71 through a detachable structure.

Specifically, the detachable structure includes a pulley arm attachment portion 72 formed at the lower end of the adjustable pulley 2 and located outside the telescopic rail, a pulley arm 71 having a curved shape and having a pulley arm positioning portion 73 at one end thereof fitted to the pulley arm attachment portion 72, a stopper portion 721 abutting against the pulley arm positioning portion 73 provided on the pulley arm attachment portion 72, and the pulley arm attachment portion 72 and the pulley arm positioning portion 73 being connected by a detachable member 74. When the pulley is moved to any position of the rail and belt, the pulley arm 71 is locked.

Further, the detachable component 74 includes a plurality of mounting holes 741 disposed on the pulley arm mounting portion 72, the pulley arm positioning portions 73 are respectively provided with positioning holes 742 corresponding to the mounting holes 741, and the mounting holes 741 are connected to the positioning holes 742 through the pulley arm locking screws 75.

Referring to fig. 2 and 4, the locking structure 7 includes a first locking hole 722 disposed on the pulley arm mounting portion 72, the lower end of the pulley pressing plate 4 extends to one side of the pulley arm mounting portion 72 and is provided with a second locking hole 723 corresponding to the first locking hole 722, a notch corresponding to the first locking hole 722 and the second locking hole 723 is disposed on the pulley arm positioning portion 73, and the first locking hole 722 and the second locking hole 723 are connected by a locking bolt 75. The adjustable carriage 2 and the carriage pressure plate 4 can thus be made more stable by the carriage arm 71 and the locking bolt 75.

Referring to fig. 3 and 4, the adjustable pulley 2 further includes a lateral sliding portion 22 formed at the upper end of the pulley arm mounting portion 72 and abutting against the inner wall of the telescopic rail, a T-shaped structure is formed between the lateral sliding portion 22 and the pulley arm mounting portion 72, and a movable groove and a step 211 are formed on the lateral sliding portion 22.

The principle of the embodiment is as follows: adjustable coaster 2 in the flexible track, adjustable coaster 2 upper end and coaster clamp plate 4 upper end are closed mutually and are formed a gliding location passageway 11 of confession hold-in range, and coaster clamp plate 4 upper end is still setting up the further frictional force of strengthening with the hold-in range of concave-convex part 62, and adjustable coaster 2 lower extreme and coaster clamp plate 4 are through the coaster arm 71 and locking bolted connection 75 make firm, can let the better drive coaster operation of hold-in range like this.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the synchronous belt 1, the synchronous belt positioning channel 11, the adjustable pulley 2, the step 21, the lateral sliding portion 22, the positioning seat 3, the pulley pressing plate 4, the reinforcing connection structure 5, the first horizontal portion 51, the vertical portion 52, the second horizontal portion 53, the reinforcing portion 54, the arc-shaped transition portion 55, the positioning portion 6, the insertion portion 61, the upper insertion portion 611, the lower insertion portion 612, the upper insertion hole 613, the lower insertion hole 614, the concave-convex portion 62, the locking structure 7, the pulley arm 71, the mounting portion 72, the limiting portion 721, the first locking hole 722, the second locking hole 723, the positioning portion 73, the detachable component 74, the mounting hole 741, the positioning hole 742, and the locking screw 75 are more used herein. Etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides an adjustable installation mechanism of coaster of flexible rail of (window) curtain sets up in flexible track, flexible track internalization wear to be equipped with hold-in range (1), its characterized in that, this coaster activity installation mechanism sets up adjustable coaster (2) in flexible track including the activity, adjustable coaster (2) upper end one side positioning seat (3) have, positioning seat (3) in have the axial run through positioning seat (3) and supply hold-in range (1) the hold-in range location passageway (11) that penetrate, positioning seat (3) one side have coaster clamp plate (4), one side that is close to coaster clamp plate (4) in positioning seat (3) has the uncovered that is linked together with hold-in range location passageway (11), coaster clamp plate (4) upper end be equipped with through reinforced connection structure (5) can seal uncovered and support location portion (6) that lean on with hold-in range (1) lateral part, just location portion (6) about both ends have respectively and transversely run through hold-in range location passageway (11) and peg graft and keep away from grafting portion (61) of one side of uncovered in positioning seat (3), coaster clamp plate (4) lower extreme activity wear to locate and link to each other with adjustable coaster structure (2) through adjustable pulley structure (7).

2. The adjustable installation mechanism of pulley of curtain telescopic rail as claimed in claim 1, wherein said insertion part (61) is divided into an upper insertion part (611) and a lower insertion part (612) which are integrally formed on the positioning part (6) and are correspondingly arranged up and down, said upper insertion part (611) and said lower insertion part (612) have different shapes and sizes, and the distance between said upper insertion part (611) and said lower insertion part (612) is larger than the width of the synchronous belt (1), said upper insertion part (611) is inserted into the upper insertion hole (613) on the side of the positioning seat (3) far from the opening, and said lower insertion part (612) is inserted into the lower insertion hole (614) on the side of the positioning seat (3) far from the opening.

3. The adjustable installation mechanism of pulley for curtain telescopic rail as claimed in claim 2, wherein the positioning portion (6) has axially distributed concave-convex portions (62) at one side between the upper insertion portion (611) and the lower insertion portion (612).

4. The adjustable pulley mounting mechanism for a telescopic rail of a window curtain as claimed in claim 1, 2 or 3, wherein the reinforcing connecting structure (5) comprises a first horizontal portion (51) connected to the upper end of the pulley pressing plate (4), the first horizontal portion (51) is connected to a second horizontal portion (53) through a vertical portion (52), the second horizontal portion (53) is connected to the positioning portion (6) through an obliquely arranged reinforcing portion (54), the first horizontal portion (51), the vertical portion (52), the second horizontal portion (53), the reinforcing portion (54) and the positioning portion (6) are integrally formed with the pulley pressing plate (4), and the first horizontal portion (51), the first horizontal portion (51) and the vertical portion (52), and the vertical portion (52) and the second horizontal portion (53) are respectively connected to each other through an arc-shaped transition portion (55).

5. The adjustable pulley mounting mechanism for the curtain telescopic rail as claimed in claim 4, wherein the upper end of the adjustable pulley (2) is provided with a movable groove for vertically inserting the pulley pressing plate (4), the width of the movable groove is larger than the thickness of the pulley pressing plate (4), and one side of the movable groove is provided with a step (21) which is positioned between the adjustable pulley (2) and the positioning seat (3) and is respectively matched with the first horizontal part (51), the vertical part (52) and the second horizontal part (53).

6. A pulley adjustable mounting mechanism for a telescopic rail for curtains as claimed in claim 4, characterized in that the lower end of the adjustable pulley (2) extends to the outside of the telescopic rail and is connected with the pulley arm (71) by a detachable structure.

7. The adjustable pulley mounting mechanism for the telescopic rail of window curtains as claimed in claim 6, wherein the detachable structure comprises a pulley arm mounting portion (72) formed at the lower end of the adjustable pulley (2) and located outside the telescopic rail, the pulley arm (71) is curved and has a pulley arm positioning portion (73) sleeved on the pulley arm mounting portion (72) at one end, the pulley arm mounting portion (72) is provided with a limiting portion (721) abutting against the pulley arm positioning portion (73), and the pulley arm mounting portion (72) and the pulley arm positioning portion (73) are connected through a detachable component (74).

8. The adjustable pulley mounting mechanism for a curtain telescopic rail as claimed in claim 7, wherein the detachable member (74) comprises a plurality of mounting holes (741) formed in the pulley arm mounting portion (72), the pulley arm positioning portions (73) are respectively provided with positioning holes (742) corresponding to the mounting holes (741), and the mounting holes (741) are connected to the positioning holes (742) by pulley arm locking screws (75).

9. The adjustable installation mechanism of pulley of telescopic rail for window curtain as claimed in claim 7, wherein said locking mechanism (7) comprises a first locking hole (722) formed on the pulley arm mounting portion (72), said pulley pressing plate (4) has a lower end extending to one side of the pulley arm mounting portion (72) and a second locking hole (723) corresponding to the first locking hole (722), said pulley arm positioning portion (73) has a gap corresponding to the first locking hole (722) and the second locking hole (723), and said first locking hole (722) and the second locking hole (723) are connected by a locking screw (75).

10. The adjustable pulley mounting mechanism for telescopic rail of window curtain as claimed in claim 5, wherein said adjustable pulley (2) further comprises a lateral sliding part (22) formed on the upper end of the pulley arm mounting part (72) and abutting against the inner wall of the telescopic rail, a T-shaped structure is formed between said lateral sliding part (22) and the pulley arm mounting part (72), and said movable groove and step (21) are formed on the lateral sliding part (22).

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