CN210714410U - Built-in sunshade hollow shutter - Google Patents

Abstract

The utility model relates to a built-in sunshade cavity shutter, it includes cavity glass, blind controlling device, is used for turning over the clutch spare that page wheel and the axle separation and reunion of turning over the page or leaf were connected on will, wherein blade tilting mechanism's lower connecting seat elastic connection can be from top to bottom on the plug socket. The utility model integrates the turnover and the folding and unfolding of the blind, not only can realize the turnover and the folding and unfolding of the blind, but also further simplifies the structure of the product, greatly reduces the cost and is beneficial to the increase of the assembly efficiency of the product; then through the separation of the clutch piece and the switching of the joint state, in the process of folding and unfolding, the page turning up wheel idles along with the movement of the page turning pull rope, so that the abrasion of the rope wheel is reduced, the service life of the rope wheel is prolonged, and meanwhile, the movable pulley and the movable pulley are combined, so that the shutter curtain saves labor in the movement process; on the other hand, the turnover pull rope is kept to be always in a tensioning state through the lower connecting seat, so that the stable turnover of the blind is ensured.

Description

Built-in sunshade hollow shutter

Technical Field

The utility model relates to a built-in sunshade cavity shutter.

Background

Hollow glass has found wide application throughout the world due to its unique characteristics of thermal insulation, sound insulation, frost protection, dust protection, etc., with the most applications being in structures such as hollow glass windows, hollow curtain walls, hollow doors, etc. Built-in sunshade hollow blinds with built-in sunshade products such as blind curtains and organ curtains are popular because they can better ensure privacy while shading sun and have the advantages of beautiful appearance. However, since the insulating glass is completely sealed and it is very complicated to assemble and disassemble at one time, it is very inconvenient to repair if any component inside the insulating glass, such as a sunshade curtain, is out of order, and therefore, the built-in sunshade hollow blind requires low failure or even zero failure, and it is necessary to optimally design the structure of the built-in sunshade hollow blind, etc. to obtain a built-in sunshade hollow blind satisfying the requirements.

For example, the applicant 2011-09-19 filed patent No. 201110277348.1 with patent name of a built-in sun-shading hollow blind, which comprises a sealed hollow glass, a blind arranged in the hollow glass and a blind operating device, wherein the hollow glass comprises glass, a first frame positioned at the upper side and the lower side of the glass and a second frame positioned at the left side and the right side of the glass, the blind operating device comprises a blind blade retracting mechanism and a blind blade overturning mechanism, wherein: the blade retracting mechanism comprises a first inner magnet slide block, a movable pulley, at least two lifting pull ropes, a balancing weight and a first outer magnet slide block, wherein the first inner magnet slide block is positioned in the hollow glass and arranged in a sliding manner along the length direction of the second frame; the blade turnover mechanism comprises an upper page turning wheel positioned at the junction position of a first frame and a second frame, a lower page turning wheel positioned below the upper page turning wheel, a page turning pull rope for winding and connecting the upper page turning wheel and the lower page turning wheel, a second inner magnet slide block arranged on the second frame in a sliding manner, a second outer magnet slide block positioned outside the glass and used for driving the second inner magnet slide block to slide, a page turning shaft with two end parts fixedly connected with the upper page turning wheels on two sides respectively, a page turning control wheel fixedly arranged on the page turning shaft and a turnover seat, wherein the second inner magnet slide block is arranged on the page turning pull rope and positioned between the upper page turning wheel and the lower page turning wheel, particularly, the page turning shaft is provided with a straight plane extending along the length direction of the page turning shaft and an arc-shaped plane connected with the two sides of the straight plane, the page turning wheel comprises a hollow wheel shaft and a control wheel fixed on the periphery of the wheel shaft, and the page turning shaft is arranged through, when the blades of the blind are in a horizontal opening state, the straight plane of the page turning shaft is vertical to the horizontal plane, when the blades of the blind are in a closed state, the straight plane of the page turning shaft is parallel to the horizontal plane, the turning seat comprises a bottom plate, a hollow clamping part and first side plates, the bottom plate is provided with a rope guide hole for a rope to pass through in the middle, the hollow clamping part is formed by vertically extending downwards from the edge of the rope guide hole and is used for being clamped with a first side frame, the first side plates are vertically arranged on two opposite sides of the bottom plate, shaft holes used for fixing two end parts of a wheel shaft of the turning control wheel and an opening used for the rope to pass through are respectively arranged on the two first side plates, one end of a ladder rope of the blind bypasses the control wheel and is fixed on the control wheel, the other end of the ladder rope of the blind is led out through the rope guide hole of the bottom plate, the hollow clamping part is led out and is sequentially connected with the blades of the blind and then, two ends of the lifting pulley are respectively fixed on the second side plates at two sides.

According to the blade overturning device, the blade overturning shaft is designed, the ladder rope is wound around the overturning wheel and then is fixed on the overturning wheel, the overturning operation of the blade is more stable and accurate, and excessive overturning and overturning rebound phenomena cannot occur; in addition, through the lift pulley integration with blade upset wheel and be used for going up and down in same upset seat, the structure is simpler, and utilizes joint portion, opening etc. that set up on the upset seat to further promote the stationarity of blade in lift and upset in-process.

However, with the continuous renewal of the products, the applicant has found that the above-mentioned built-in sun-shading hollow shutter has significant drawbacks, namely: the turnover and the retraction of the blind are relatively independent, so that two sets of corresponding blade retraction mechanisms and blade turnover mechanisms are required, the adopted parts are more, the assembly is very complicated, and the processing efficiency of the product is low.

Meanwhile, in different seasons, the friction force of the rope wheel is different (along with the influence of expansion and contraction), especially for the turnover of the blind, because the page turning up wheel and the page turning down wheel are fixed pulleys, the page turning rope cannot be automatically adjusted in tightness, and the turnover stability of the blind is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a built-in sunshade hollow shutter of modified venetian blind upset and receive and release combination is provided.

For solving the technical problem, the utility model discloses take following technical scheme:

a built-in sun-shading hollow blind comprises

The hollow glass comprises glass, first frames positioned at the upper side and the lower side of the glass and second frames positioned at the left side and the right side of the glass;

a blind;

the shutter control device comprises a shutter blade retracting mechanism and a shutter blade overturning mechanism, wherein the shutter blade retracting mechanism comprises a first inner magnet slide block which is positioned in hollow glass and is arranged in a sliding manner along the length direction of a second frame, a movable pulley which is connected to the upper part of the first inner magnet slide block, at least two lifting pull ropes, lifting pulleys which are positioned above the shutter and are in one-to-one correspondence with the lifting pull ropes, a fixed pulley and a first outer magnet slide block which is positioned outside the glass and is used for driving the first inner magnet slide block to slide,

the blade turnover mechanism comprises an upper turnover wheel positioned at the junction position of the first frame and the second frame, a lower turnover wheel positioned below the upper turnover wheel, a page turning pull rope for winding and connecting the upper turnover wheel and the lower turnover wheel, a second inner magnet slide block arranged on the second frame in a sliding manner, a second outer magnet slide block positioned outside the glass and used for driving the second inner magnet slide block to slide, a turnover shaft with two end parts respectively connected with the upper turnover wheels at two sides, a page turning control wheel fixedly arranged on the page turning shaft and a turnover seat,

in particular, it is possible to use,

the first inner magnet slide block and the second inner magnet slide block are fixed on the same slide seat,

an upper connecting seat and a lower connecting seat are respectively arranged at the junction positions of a first frame and a second frame which are positioned at the same side, an upper page turning wheel and a fixed pulley are arranged on the upper connecting seat, one end of each lifting pull rope is fixed on a bottom beam of the blind, the other end of each lifting pull rope is fixed on the upper connecting seat after passing through the lifting pulley positioned above the blind, the fixed pulley positioned at the corner and the movable pulley, a lower page turning wheel is arranged on the lower connecting seat,

the built-in sunshade hollow glass product also comprises a clutch piece for connecting the page turning wheel and the page turning shaft in a clutch way;

one end part of the page turning pull rope is fixedly connected to the top of the sliding seat, the other end part of the page turning pull rope bypasses the upper page turning wheel and the lower page turning wheel and then is fixed to the bottom of the sliding seat, when the sliding seat is lifted, the page turning pull rope drives the upper page turning wheel and the page turning shaft which are matched to rotate synchronously until the blind rotates to a limit angle, and the clutch piece relatively separates the upper page turning wheel from the page turning shaft; when the sliding seat is lifted after the blind is turned over, the lifting pull rope moves along with the sliding seat and drives the blind to be folded and unfolded, and the page turning up wheel idles along with the movement of the page turning pull rope;

the lower connecting seat comprises an inserting seat which can be detachably arranged on the second frame, a sliding seat which is arranged on the inserting seat in an up-and-down sliding adjusting mode along the length direction of the second frame, and an elastic assembly which keeps the sliding seat to move and drive towards the bottom of the inserting seat, wherein the lower page turning wheel is arranged on the sliding seat in a rotating mode around the axis of the lower page turning wheel.

Preferably, be equipped with the spout that extends along second frame length direction on the plug socket, the spout top is equipped with the shrouding, and bottom and a lateral part open the setting, and the slide includes the slide body, matches and fix the slider on the slide body with the spout.

According to the utility model discloses a still another concrete implementation and preferred aspect, elastic component establishes in the guide bar periphery and both ends conflict spring between shrouding and slider and the gag lever post in order to block the slider roll-off spout in the spout bottom including fixing guide bar, the cover that extends in the spout and along spout length direction, wherein be equipped with in the slider and supply the guide bar to penetrate dodge the through-hole. Through the arrangement of the elastic component, the corresponding tensioning capacity can be provided no matter what season, so that the page turning pull rope is always in a relatively tensioning state, and the turnover of the blind is very stable.

Preferably, the upper connecting seat and the lower connecting seat are correspondingly arranged on the right side of the blind, an installing frame is formed on the upper connecting seat, and the wheel shaft of the upper page turning wheel extending from the left direction and the right direction is freely rotatably erected on the installing frame.

Further, the mounting bracket includes the frame body, sets up on the frame body and is formed with the mounting panel from top undercut mounting groove, wherein the mounting panel have two, and form a race district between two mounting panels and the frame body, turn over page or leaf wheel spinning wheel body and set up freely in the mounting groove of mounting panel at the race district, spinning wheel axle about both ends. Of course, the support plate can also be a plurality of blocks, two adjacent blocks form a wheel groove area, and the wheel body is correspondingly arranged in a certain wheel groove area.

According to the utility model discloses a concrete implementation and preferred aspect, both sides are equipped with the wire rope handling hole around just corresponding the wheel body on the frame body, bypass and turn over page or leaf wheel turn over the page stay cord and pass from the wire rope handling hole respectively. Through the arrangement of the rope threading hole, the page turning pull rope cannot be interfered by the outside, and the stability of the page turning pull rope wound on the upper turning wheel is ensured.

According to a further embodiment and preferred aspect of the present invention, the clutch member comprises a blocking module fixedly arranged on the upper connecting seat; one end of the connecting shaft is in butt joint with the page turning shaft, and the other end of the connecting shaft is in butt joint with the wheel shaft of the upper page turning wheel; the connecting piece is fixedly arranged on the connecting shaft, and when the clutch piece is in an engaged state, the connecting shaft and the wheel shaft of the upper page turning wheel synchronously rotate; when the clutch piece is in a separation state, the connecting piece is abutted against the opposite side edge of the blocking module, and the wheel shaft of the upper page turning wheel is arranged in an idle rotation mode relative to the connecting shaft.

According to a specific implementation and preferred aspect of the present invention, a torsion spring is sleeved on the axle of the upper leaf-turning wheel, the blind has two limit turning angles, and when two torsion arms of the torsion spring are abutted from one to the connecting piece and from the other to the blocking module, the blind is in a turning limit angle state; when one of the two torsion arms of the torsion spring presses the connecting piece on the side edge of the blocking module, the connecting piece is in the other turnover limit angle state, when the blind is in any limit turnover angle position and the driving sliding seat is lifted, the torsion arm of the torsion spring tilts up from the wheel shaft of the upward leaf turning wheel and becomes loose, and the wheel shaft of the upward leaf turning wheel is arranged in a rotating mode relative to the torsion spring.

In this example, the angle formed between the two torsion arms of the torsion spring is about 30 degrees, and the upper page turning wheel is in an extreme position after rotating forwards or backwards for 330 degrees. In addition, the folding and unfolding of the blind cannot be influenced in the overturning process.

Preferably, the left end of the frame body is further provided with a connecting frame plate with a mounting groove recessed downwards from the top, the left end of the connecting shaft is freely rotatably erected in the mounting groove of the connecting frame plate, and the right end of the connecting shaft is inserted into the left end of the wheel shaft.

Preferably, the connecting piece comprises a ring piece fixed on the connecting shaft and an extending piece extending from one side of the ring piece along the length direction of the connecting shaft, wherein the ring piece is positioned between the connecting frame plate and the left end face of the wheel shaft.

Furthermore, the blocking module is a blocking plate fixed on the frame body, and the blocking plate is positioned below the left end part of the wheel shaft of the upper page turning wheel after being installed and extends along the length direction of the wheel shaft.

In this example, the right end of the blocking plate is fixed on the bracket plate, a gap is formed between the left end and the connecting frame plate, and the ring piece is arranged at the gap in a relative rotation mode around the axis of the connecting shaft. Further restricting the movement of the connecting shaft in the axial direction.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model integrates the turnover and the folding and unfolding of the blind, not only can realize the turnover and the folding and unfolding of the blind, but also further simplifies the structure of the product, greatly reduces the cost and is beneficial to the increase of the assembly efficiency of the product; then through the separation of the clutch piece and the switching of the joint state, in the process of folding and unfolding, the page turning up wheel idles along with the movement of the page turning pull rope, so that the abrasion of the rope wheel is reduced, the service life of the rope wheel is prolonged, and meanwhile, the movable pulley and the movable pulley are combined, so that the shutter curtain saves labor in the movement process; on the other hand, the turnover pull rope is kept to be always in a tensioning state through the lower connecting seat, so that the stable turnover of the blind is ensured.

Drawings

The invention will be described in further detail with reference to the following drawings and specific embodiments:

fig. 1 is a schematic front view of a hollow blind with built-in sun-shading according to the present invention;

FIG. 2 is a schematic view of a partial structure of the blind of FIG. 1 (at a certain limit angle);

FIG. 3 is a schematic view of a partial structure of the blind of FIG. 1 (at another limit angle);

FIG. 4 is a side view of the lower connecting seat of FIG. 1;

wherein:

1. hollow glass; 10. glass; 11. a first frame; 12. a second frame;

2. a blind; 20. a bottom beam; 21. a ladder cord; 22. a blade;

3. a blade retracting mechanism; 30. a first inner magnet slide; 31. a movable pulley; 32. a lifting rope; 33. a lifting pulley; 34. a fixed pulley;

4. a blade turnover mechanism; 40. a page turning-up wheel; 40a, an axle; 41. a page turning-down wheel; 42. a page turning pull rope; 43. a second inner magnet slide; 44. a page turning shaft; 45. a page turning control wheel;

5. an upper connecting seat; 50. a mounting frame; 500. a rack body; 501. a mounting plate; 502. connecting the frame plate; a. a stringing hole;

6. a lower connecting seat; 60. a socket; 60a, a chute; 60b, sealing plates; 61. a slide base; 610. a slider body; 611. a slider; 62. an elastic component; 620. a guide bar; 621. a spring; 622. a limiting rod;

7. a clutch member; 70. a barrier module (barrier plate); 71. a connecting shaft; 72. connecting sheets; 720. a ring sheet; 721. an extension piece; 73. a torsion spring.

Detailed Description

As shown in fig. 1, the built-in sunshade hollow blind of the present embodiment is mainly composed of a sealed hollow glass 1, a blind 2 disposed in the hollow glass 1, a blade retracting mechanism 3 for controlling the raising and lowering of blades 22 of the blind 2, and a blade turning mechanism 4 for controlling the turning of the leaves of the blades 22.

The hollow glass 1 is known and comprises glass 10, a first frame 11 positioned at the upper side and the lower side of the glass 10 and a second frame 12 positioned at the left side and the right side of the glass 10, wherein the four frames are cuboid hollow frames, and the interiors of the frames are communicated. The blind 2 is also known and comprises a sill 20, a ladder cord 21, a plurality of vanes 22, etc.

Specifically, the blade retracting mechanism 3 includes a first inner magnet slider 30 located in the hollow glass 1 and slidably disposed along the length direction of the second frame 12, a movable pulley 31 connected to the upper portion of the first inner magnet slider 30, two lifting pull ropes 32, lifting pulleys 33 located above the blind 2 and corresponding to the lifting pull ropes 32 one by one, a fixed pulley 34, and a first outer magnet slider located outside the glass and driving the first inner magnet slider to slide. These specific structures can be referred to as 201110277348.1, and will not be described repeatedly herein.

Specifically, the blade turning mechanism B includes an upper page turning wheel 40 located at a boundary position between the first frame 11 and the second frame 12, a lower page turning wheel 41 located below the upper page turning wheel 40, a page turning rope 42 winding and connecting the upper page turning wheel 40 and the lower page turning wheel 41, a second inner magnet slider 43 slidably disposed on the second frame 12, a second outer magnet slider (not shown) located outside the glass 10 for driving the second inner magnet slider 43 to slide, a page turning shaft 44 having two end portions fixedly connected to the upper page turning wheels 40 on both sides, two page turning control wheels 45 fixedly disposed on the page turning shaft 44, and two turning seats 46 (the number of the page turning control wheels and the turning seats is determined according to the width of the blind, and the number of the page turning control wheels and the turning seats is correspondingly increased if the blind is wide). Specific above-mentioned structures can be further referred to 201110277348.1, and a repeated description thereof is not provided herein.

In this example, just in order to put together the upset of blind 2 with receive and release, so, not only can realize the upset of blind 2 and receive and release, and further simplified the structure of product, reduce cost by a wide margin also is favorable to the packaging efficiency of product, simultaneously by the combination of movable pulley and movable pulley for blind 2 is very laborsaving in the motion process, consequently, the life of rope sheave is twice as much as the product in the prior art at least.

In particular, the first inner magnet slide 30 and the second inner magnet slide 43 are fixed on the same slide c, so that when the first outer magnet slide is actuated, the second outer magnet moves synchronously, and vice versa.

Meanwhile, an upper connecting seat 5 and a lower connecting seat 6 are respectively arranged on the right side of the junction position of the first frame 11 and the second frame 12 which are positioned on the same side.

An upper page turning wheel 40 (also a fixed pulley) and a fixed pulley 34 are arranged on the upper connecting seat 5, and a lower page turning wheel 41 (also a fixed pulley) is arranged on the lower connecting seat 6.

In this example, one end of each lifting rope 32 is fixed on the bottom beam 20 of the blind 2, and the other end is fixed on the upper connecting base 5 through a lifting pulley 33 positioned above the blind 2, a fixed pulley 34 positioned at the corner and a movable pulley 31. That is, the fixed pulley 34 at the corner plays a role of engagement, and the need to pass through from the inside of the upper connecting holder 5 is avoided to interfere with the lifting rope 32 from the outside.

Then, the hollow glass window in this example further includes a clutch 7 for clutch-connecting the upper page turning wheel 40 and the page turning shaft 44, one end of the page turning pulling rope 42 is fixedly connected to the top of the slide c, and the other end is fixed to the bottom of the slide c after bypassing the upper page turning wheel 40 and the lower page turning wheel 41, when the slide c is lifted, the page turning pulling rope 42 drives the upper page turning wheel 40 and the page turning shaft 44 which are in cooperation to synchronously rotate, until the blind is rotated to a limit angle, the clutch relatively separates the upper page turning wheel and the page turning shaft; when the sliding seat c is lifted after the blind 2 is turned over, the lifting pull rope 32 moves along with the sliding seat c and drives the blind 2 to fold and unfold, and the page turning up wheel 40 idles along with the movement of the page turning pull rope 42.

An installation frame 50 is formed on the upper connecting base 5, and the axle extending from the left and right direction of the upper page turning wheel 40 is freely rotatably erected on the installation frame 50.

The mounting rack 50 includes a rack body 500, a support plate 501 which is arranged on the rack body 500 and is provided with a downward concave mounting groove from the top, wherein the support plate 501 has two support plates, a wheel groove area is formed between the two support plates 501 and the rack body 500, and the upper page turning wheel 40 is freely erected in the mounting groove of the support plate 501 from the left end and the right end of the wheel groove area and the wheel shaft from the wheel body. Of course, the support plate 501 may be a plurality of blocks, two adjacent blocks form a wheel groove area, and the wheel body is correspondingly disposed in a certain wheel groove area.

Threading holes a are formed in the frame body 500 and at the front and rear sides of the corresponding wheel body, and the page turning ropes 42 passing around the upper page turning wheel 40 pass through the threading holes a respectively. The page turning rope 43 is not interfered by the outside by the arrangement of the thread passing hole a, thereby ensuring the stability of the page turning rope 42 wound on the upper flipping wheel 40.

Thus, the page turning cord 42 and the elevation cord 32 are completely separated and independent from each other, and therefore there is no possibility of interference therebetween.

Meanwhile, the clutch 7 includes a barrier module 70 fixedly provided on the frame body 500; a connecting shaft 71 with one end butted with the page turning shaft 44 and the other end butted with the left end of the wheel shaft 40a of the upper page turning wheel 40; a connecting piece 72 fixedly arranged on the connecting shaft 71 and a torsion spring 73 sleeved at the left end part of the wheel shaft 40a, wherein when the clutch member 7 is in an engaged state, the connecting shaft 71 and the wheel shaft 40a of the page turning-up wheel 40 synchronously rotate; when the clutch member 7 is in the disengaged state, the connecting pieces 72 abut against opposite sides of the blocking module 70, and the axle 40a of the upper flap wheel 40 is idly disposed relative to the connecting shaft 71.

Specifically, the blind 2 has two limit turning angles, and when two torsion arms of the torsion spring 73 are abutted against the connecting piece 72 from one and abutted against the blocking module 70 from the other, the blind is in a state of one turning limit angle; when one of the two torsion arms of the torsion spring 73 presses the connecting piece 72 on the side of the blocking module 70, the other one is in the state of the turning limit angle, wherein when the blind 2 is in any one of the limit turning angle positions and the slide c is driven to ascend and descend, the torsion arm of the torsion spring 70 is tilted up from the axle 40a of the page turning up wheel 40 and becomes loose, and the axle 40a of the page turning up wheel 40 is rotatably arranged relative to the torsion spring 73.

In this example, the angle formed between the two torsion arms of the torsion spring is about 30 degrees, and the upper page turning wheel is in an extreme position after rotating forwards or backwards for 330 degrees. As shown in the combination of fig. 2 and 3, the state of two different extreme positions is presented, and the folding and unfolding of the blind are not influenced in the overturning process.

Specifically, a connection frame plate 502 is further disposed at the left end of the frame body 500, the mounting groove of which is recessed downward from the top, the left side of the connection shaft 71 is freely rotatably erected in the mounting groove of the connection frame plate 502, and the right end of the connection shaft 71 is inserted into the left end of the axle 40 a.

The connecting piece 72 includes a ring 720 fixed on the connecting shaft 71, and an extending piece 721 extending from one side of the ring 720 along the length direction of the connecting shaft 71, wherein the ring 720 is located between the connecting frame plate 502 and the left end face of the axle 40a, and when the blind 2 is at the limit turning angle, the extending piece 721 abuts against the blocking module 70 from the side edge of the length direction.

In this example, the blocking module 70 is a blocking plate fixed to the frame body 500, and the blocking plate is located below the left end of the axle 40a of the rear upper leaf-turning wheel 40 and extends along the length direction of the axle 40 a.

Meanwhile, the right end of the blocking plate is fixed on the support plate 501, a gap is formed between the left end and the connecting frame plate 502, and the ring piece 720 is arranged at the gap in a relatively rotating mode around the axis of the connecting shaft 71. Further restricting the movement of the connecting shaft in the axial direction.

Referring to fig. 4, the lower connecting base 6 includes a socket 60 detachably disposed on the second frame 12, a sliding base 61 slidably and adjustably disposed on the socket 60 up and down along the length direction of the second frame 12, and an elastic member 62 for keeping the sliding base 61 to move toward the bottom of the socket 60, wherein the lower page turning wheel 41 is rotatably disposed on the sliding base about its axis.

The socket 60 is provided with a sliding groove 60a extending along the length direction of the second frame 12, the top of the sliding groove 60a is provided with a sealing plate 60b, and the bottom and one side of the sliding groove are open.

The slider 61 includes a slider body 610, and a slider 611 that is fitted to the slide groove 60a and fixed to the slider body 610.

The elastic component 62 includes a guiding rod 620 fixed in the sliding slot 60a and extending along the length direction of the sliding slot 60a, a spring 621 sleeved on the outer periphery of the guiding rod 620 and having two ends abutting against between the closing plate 60b and the sliding block 611, and a limiting rod 622 intercepted at the bottom of the sliding slot 60a to block the sliding block 611 from sliding out of the sliding slot 60a, wherein an escape through hole for the guiding rod 620 to penetrate is provided in the sliding block 611. By means of the elastic assembly 62, a corresponding tensioning capacity is provided regardless of the season, so that the turning over of the blind is very stable, since the turning over stay is always in a relatively tensioned state.

In summary, the present embodiment has the following technical advantages:

1. through the separation of the clutch and the switching of the joint state, in the process of folding and unfolding, the upper page turning wheel idles along with the movement of the page turning pull rope, so that the abrasion of the rope wheel is reduced, and the service life of the rope wheel is prolonged;

2. the movable pulley and the movable pulley are combined, so that the blind is labor-saving in the movement process, and is convenient and fast to operate;

3. the turnover, the folding and the unfolding of the blind are integrated, so that the turnover, the folding and the unfolding of the blind can be realized, the structure of a product is further simplified, the cost is greatly reduced, and the increase of the assembly efficiency of the product is facilitated;

4. through the arrangement of the elastic component, the corresponding tensioning capacity can be provided no matter what season, so that the page turning pull rope is always in a relatively tensioning state, and the turnover of the blind is very stable.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A built-in sun-shading hollow blind comprises

The hollow glass comprises glass, first frames positioned at the upper side and the lower side of the glass and second frames positioned at the left side and the right side of the glass;

a blind;

the shutter control device comprises a shutter blade retracting mechanism and a shutter blade overturning mechanism, wherein the shutter blade retracting mechanism comprises a first inner magnet slide block, a movable pulley, at least two lifting pull ropes, lifting pulleys, fixed pulleys and a first outer magnet slide block, the first inner magnet slide block is positioned in the hollow glass and is arranged in a sliding manner along the length direction of the second frame, the movable pulley is connected to the upper part of the first inner magnet slide block, the lifting pulleys are positioned above the shutter and are in one-to-one correspondence with the lifting pull ropes, and the first outer magnet slide block is positioned outside the glass and is used for driving the first inner magnet slide block to slide;

the blade turnover mechanism comprises an upper page turning wheel positioned at the junction position of the first frame and the second frame, a lower page turning wheel positioned below the upper page turning wheel, a page turning pull rope for winding and connecting the upper page turning wheel and the lower page turning wheel, a second inner magnet slide block slidably arranged on the second frame, a second outer magnet slide block positioned outside the glass and used for driving the second inner magnet slide block to slide, a page turning shaft with two end parts respectively connected with the upper page turning wheels at two sides, a page turning control wheel fixedly arranged on the page turning shaft and a turnover seat,

the method is characterized in that:

the first inner magnet slide block and the second inner magnet slide block are fixed on the same slide seat,

an upper connecting seat and a lower connecting seat are respectively arranged at the junction position of the first frame and the second frame which are positioned at the same side, the upper page turning wheel and the fixed pulley are arranged on the upper connecting seat, one end of each lifting pull rope is fixed on a bottom beam of the blind, the other end of each lifting pull rope is fixed on the upper connecting seat after passing through the lifting pulley positioned above the blind, the fixed pulley positioned at the corner and the movable pulley, the lower page turning wheel is arranged on the lower connecting seat,

the built-in sunshade hollow glass product also comprises a clutch piece for connecting the page turning wheel and the page turning shaft in a clutch way;

one end part of the page turning pull rope is fixedly connected to the top of the sliding seat, the other end part of the page turning pull rope bypasses the upper page turning wheel and the lower page turning wheel and then is fixed to the bottom of the sliding seat, when the sliding seat is lifted, the page turning pull rope drives the upper page turning wheel and the page turning shaft which are matched to synchronously rotate until the blind is rotated to a limit angle, and the clutch part relatively separates the upper page turning wheel and the page turning shaft; when the shutter blind is turned over and the sliding seat is lifted, the lifting pull rope moves along with the shutter blind and drives the shutter blind to be folded and unfolded, and the upper page turning wheel idles along with the movement of the page turning pull rope;

the lower connecting seat comprises an inserting seat detachably arranged on the second frame, a sliding seat arranged on the inserting seat in a vertically sliding and adjusting mode along the length direction of the second frame, and an elastic assembly keeping the sliding seat driven by the movement of the sliding seat towards the bottom of the inserting seat, wherein the lower page turning wheel is arranged on the sliding seat in a rotating mode around the axis of the lower page turning wheel.

2. The built-in sun-shading hollow blind according to claim 1, characterized in that: the plug socket on be equipped with along the spout that second frame length direction extends, spout top be equipped with the shrouding, bottom and a lateral part open and set up, the slide include the slide body, with the spout matches and fixes the slide on the slide body.

3. The built-in sun-shading hollow blind according to claim 2, characterized in that: the elastic component comprises a guide rod fixed in the sliding groove and extending along the length direction of the sliding groove, a limiting rod sleeved on the periphery of the guide rod, two ends of the guide rod are abutted against the sealing plate and a spring between the sliding blocks, and the bottom of the sliding groove is blocked to slide out the sliding block from the limiting rod of the sliding groove, wherein the sliding block is internally provided with an avoiding through hole for the guide rod to penetrate.

4. The built-in sun-shading hollow blind according to claim 1, characterized in that: the upper connecting seat and the lower connecting seat are correspondingly arranged on the right side of the blind, an installing frame is formed on the upper connecting seat, and the upper page turning wheel is freely rotatably erected on the installing frame from a wheel shaft extending in the left-right direction.

5. The built-in sun-shading hollow blind according to claim 4, characterized in that: the mounting frame comprises frame bodies and support plates which are arranged on the frame bodies and are provided with mounting grooves which are sunken downwards from the tops, wherein the number of the support plates is two, a wheel groove area is formed between the two support plates and the frame bodies, and the self-wheel body of the page turning wheel is arranged in the wheel groove area and freely erected in the mounting grooves of the support plates at the left end and the right end of the self-wheel shaft.

6. The built-in sun-shading hollow blind according to claim 5, characterized in that: the frame body is provided with rope through holes corresponding to the front side and the rear side of the wheel body, and the page turning pull ropes bypassing the page turning wheels respectively pass through the rope through holes.

7. The built-in sun-shading hollow blind according to claim 5, characterized in that: the clutch piece comprises a blocking module fixedly arranged on the frame body; one end of the connecting shaft is in butt joint with the page turning shaft, and the other end of the connecting shaft is in butt joint with the wheel shaft of the upper page turning wheel; the connecting piece is fixedly arranged on the connecting shaft, and when the clutch piece is in an engaged state, the connecting shaft and the wheel shaft of the page turning wheel rotate synchronously; when the clutch piece is in a separation state, the connecting piece abuts against the opposite side edge of the blocking module, and the wheel shaft of the upper page turning wheel is arranged in an idle rotation mode relative to the connecting shaft.

8. The built-in sun-shading hollow blind according to claim 7, characterized in that: the left end of the frame body is further provided with a connecting frame plate with a mounting groove which is recessed downwards from the top, the left end of the connecting shaft is freely rotatably erected in the mounting groove of the connecting frame plate, and the right end of the connecting shaft is inserted into the left end of the wheel shaft.

9. The built-in sun-shading hollow blind according to claim 8, characterized in that: the connecting piece comprises a ring piece fixed on the connecting shaft and an extending piece extending from one side of the ring piece along the length direction of the connecting shaft, wherein the ring piece is positioned between the connecting frame plate and the left end face of the wheel shaft.

10. The built-in sun-shading hollow blind according to claim 9, characterized in that: the clutch piece also comprises a torsion spring sleeved on a wheel shaft of the page turning wheel, the blind has two limit turning angles, and when two torsion arms of the torsion spring are abutted against the connecting piece from one torsion arm and abutted against the blocking module from the other torsion arm, the blind is in a turning limit angle state; work as one of two jibs of torsional spring in the knuckle-joint piece pressure is established block during the module side, be in another upset limit angle state this moment, wherein, work as when the blind is in arbitrary limit rotation angle position, the drive during the slide goes up and down, the knuckle-joint of torsional spring certainly the epaxial perk of the shaft of page or leaf wheel and formation are not hard up, the shaft of page or leaf wheel that turns up is relative the torsional spring rotates the setting.

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