TWM639917U - Screen anti-detaching structure - Google Patents

Abstract

An anti-off structure for screen windows, comprising a front cover and a rear cover which are composed of a joint seat, the front cover and the rear cover are relatively combined to form a lower opening, the rear cover has an upper wall and a side wall; a swing block has a linkage end, a movable end and a convex The driven tooth set at the linkage end, the swing block is pivotally arranged between the front cover and the rear cover with its linkage end; the upper slider has a lower row of teeth, the upper slider is located between the front cover and the rear cover and is elastic The upper part leans against the upper wall, and the lower tooth row engages the driven teeth of the interlocking end, the upper slider slides at a fixed distance relative to the upper wall, and the lower tooth row engages the driven teeth and drives the swing block to swing out of the lower opening and Swing into the assembly seat; and a spring located between the side wall and the upper slider, the spring presses against the upper slider, and the upper slider drives the swing block so that the movable end has elasticity at different swing angle positions Push support.

Description

Screen window anti-off structure

The creation relates to the technical field of screen window structures, in particular to a screen window anti-dropping structure.

Aluminum doors and windows are generally equipped with screens to prevent insects from invading, and the screens are set on the outermost side of the aluminum window. The screens are generally provided with inset grooves and wheel bodies in the lower frame, and the screens can be slanted during assembly to make them Insert the top end into the outer groove of the upper frame of the aluminum window, and then guide the screen window so that the groove of the lower frame of the screen window and the wheel body can be slid on the outer guide rail of the lower frame of the aluminum window, so that the upper frame of the aluminum window and the screen window Moreover, when you want to take off the screen window, you only need to hold the screen window and move it up so that the slot and wheel body of the screen window are separated from the lower frame of the aluminum window and can be taken out.

Since there is a gap between the screen window and the outer groove of the upper frame of the aluminum window for easy detachment, the screen window is easy to fall off from the outer frame of the aluminum window. Therefore, the industry has provided related patents on this issue, such as the announcement The new patent No. M546435 "Anti-fall-off topping device for screen window", its main structure includes a bearing seat arranged in a top groove of the screen frame above the screen window, and the bearing seat has a top clamping piece and an elastic piece , the front seat body of the bearing seat has a fitting portion protruding forward and clamping grooves arranged on both sides of the fitting portion; Embedding the opening of the ditch wall, the left and right ditch walls of the opening of the ditch wall are respectively embedded in the clamping groove.

And the side of the clamping top piece is arranged with several clamping blocks according to the elastic direction of the elastic piece, and the accommodating space further includes a brake piece that can move back and forth relative to the clamping block, and the brake piece has a corresponding A braking end of the block, the braking end has a braking groove; one of the blocking blocks can be locked in the braking groove. According to this, the bearing seat can adapt to the dimensional tolerance of various top surface grooves and be placed in the top surface groove. The bearing seat will not slide, displace or sink arbitrarily in the top surface groove. The bearing seat is guaranteed position.

However, there will be various dimensional tolerances between the top surface groove of the screen window and the upper frame of the aluminum window due to different manufacturers; There are three clamping blocks, because the operation of the three clamping blocks relative to the braking groove can only form three sections of support at fixed positions, once the tolerance position between the top surface groove of the screen window and the upper frame of the aluminum window It is just located between any two locking blocks, so that none of the three locking blocks is locked in the braking groove, which will cause inconvenience and confusion in operation.

And, as shown in its third figure, this known patented structure is installed on the upper frame of the screen window, which will be higher than the height of a normal human body in use, which also causes the disadvantage that the screen window is not easy to operate and use when it is installed or removed for cleaning.

This invention creates a screen window anti-off structure, including:

The assembly seat includes a front cover and a rear cover, the front cover and the rear cover are relatively combined to form a lower opening, and the rear cover has an upper wall and a side wall.

The oscillating block has a linkage end, a movable end and a driven tooth protruding from the linkage end, and the oscillating block is pivotally arranged between the front cover and the rear cover with its linkage end.

The upper slider has an upper elastic part, a lower row of teeth and a positioning protrusion protruding from the upper elastic part. The upper slider is located between the front cover and the rear cover and the upper elastic part is against the upper wall, and The lower tooth row engages the driven teeth of the interlocking end, and the positioning protrusion relatively abuts against the two fixed positions of the upper wall to limit the sliding of the upper slider relative to the upper wall at a fixed distance, and the lower tooth row engages the driven teeth. The teeth drive the oscillating block to swing out of the lower opening, and make the oscillating block swing into the assembly seat.

And a spring located between the side wall and the upper sliding block, the spring pushes against the upper sliding block, and the upper sliding block drives the swing block so that the movable end has elastic push supports at different swing angle positions.

In this creation, through the mutual cooperation of the above structures, the upper slider is pressed against the upper slider by the spring located between the side wall and the upper slider, and the upper slider drives the swing block so that the movable end has elasticity at different swing angle positions. The push support provides a support effect with stepless operation, and it is indeed progressive in use, so as to achieve the purpose and utility of this creation.

Please refer to Figures 1 to 11, this invention creates a screen window anti-dropping structure, including:

The assembly seat 10 includes a front cover 11 and a rear cover 12. The front cover 11 and the rear cover 12 are relatively combined to form a lower opening 13. The rear cover 12 has an upper wall 121 and a side wall 127;

The swing block 20 has a linkage end 21, a movable end 22, and a driven tooth 211 protruding from the linkage end 21, and the swing block 20 is pivotally arranged between the front cover 11 and the rear cover 12 with its linkage end 21;

The upper slider 30 has an upper elastic part 31, a lower tooth row 32 and a positioning protrusion 311 protruding from the upper elastic part 31. The upper slider 30 is located between the front cover 11 and the rear cover 12 and the upper elastic part 31 leans against the upper wall 121, and makes the lower row of teeth 32 engage the driven teeth 211 of the interlocking end 21. The positioning protrusion 311 relatively pushes against the two fixed positions of the upper wall 121 to limit the upper slider 30 Sliding at a fixed distance relative to the upper wall 121 , the lower tooth row 32 engages the driven teeth 211 and drives the swinging block 20 to swing out of the lower opening 13 , and swings the swinging block 20 into the assembly seat 10 .

And the spring A located between the side wall 127 and the upper slider 30, the spring A pushes against the upper slider 30, and the upper slider 30 drives the swing block 20 to make the movable end 22 at different swing angle positions respectively With elastic push support.

The aforementioned are the main technical features of the main embodiment of this creation, which corresponds to the content of the first item of the scope of patent application of this case, so that the purpose and implementation type of this creation can be known in detail, and the technical features described in the scope of other subsidiary applications are for The detailed description or additional technical features of the first item of the patent application scope are not used to limit the scope of the first item of the patent application scope. It should be known that the first item of the patent application scope in this case does not necessarily include the description of the other subsidiary application patent scopes technical characteristics.

Continuing the above content, further describe the implementation of the invention, the actual use situation and the achieved effects in detail. As shown in the seventh figure to the ninth figure, when the present invention is used, the assembly socket 10 is provided to be installed on the lower frame of a screen window 40 41, make the sliding group groove 411 cover the group socket 10 and fix it. As shown in the seventh and ninth figures, the lower frame 41 of the screen window 40 has a sliding group groove 411 with the opening facing downward, and the screen window 40 is connected with the aluminum window. The frame 50 is mounted on the outer track 51 of the aluminum window outer frame 50 by sliding the sliding groove 411 of the lower frame 41 .

As shown in the fifth figure, the invention pushes the upper slider 30 to slide relative to the upper wall 121 through the spring A, so that the lower tooth row 32 engages the driven teeth 211 and drives the swinging block 20 to swing out of the lower opening. 13. The spring A pushes against the upper sliding block 30, and the upper sliding block 30 drives the swinging block 20 so that the movable end 22 has elastic pushing and supporting functions at different swinging angle positions D1, D2, and D3 respectively.

Therefore, as shown in the ninth figure, when the screen window 40 sliding group of this creation is combined with the outer rail 51 of the aluminum window frame 50 to form a larger gap, the movable end 22 of the swing block 20 can completely swing out of the lower opening 13 and push against the outside of the aluminum window. The bottom side of the frame 50, and the screen window 40 is propped up into the upper frame of the aluminum window outer frame 50 along the direction of the arrow in the figure to achieve the effect of preventing the screen window 40 from falling off; and as shown in the tenth and eleventh figures, when the screen window 40 The sliding group forms a small gap and the smallest gap on the outer rail 51 of the aluminum window frame 50, so that when the movable end 22 of the swing block 20 cannot completely swing out of the lower opening 13, the spring A can still be used to push against the elastic top formed by the upper slider 30. The push function supports the screen window 40 upwards against the upper frame of the aluminum window outer frame 50, which can also achieve the effect of preventing the screen window 40 from falling off.

Therefore, compared with the above-mentioned conventional patent structure, the operation of the three clamping blocks relative to the brake groove can only form three sections of support in fixed positions, which causes the disadvantages of trouble and inconvenience in operation; The spring A between the wall 127 and the upper slider 30 bears against the upper slider 30, and the upper slider 30 drives the swinging block 20 so that the movable end 22 has elastic push support at different swing angle positions, providing a stepless The support effect used by the traditional operation is indeed progressive in use.

The characteristics of each component of this creation are further described in detail below. In the above-mentioned first to eleventh figures, the fixed position includes the swing-out limit recess 122 and the swing-in limit recess 124 recessed on the upper wall 121. The swing-out limit recess 122 and the swing-in limit recess 124 are arranged at intervals, and the swing-out limit recess 122 and the swing-in limit recess 124 slide relative to the upper wall 121 on the upper elastic part 31 of the upper slider 30 When providing the positioning protrusion 311 to select a buckle limit; therefore, when the upper slider 30 drives the swing block 20 to swing out of the lower opening 13, the positioning protrusion 311 is provided for a buckle limit by means of the swing-out limit recess 122, and the swing-in When the position-limiting recess 124 is swung into the lower opening 13, the positioning protrusion 311 is snapped and limited, so as to achieve the progressiveness of supporting the sliding of the upper slider 30 at a fixed distance.

Secondly, the upper slider 30 is an elastic plastic structure, and the upper slider 30 has a deformation groove 33 located below the upper elastic portion 31; The bending deformation in the groove is elastic, so as to achieve the progress of convenient use.

Furthermore, the front cover 11 has a long guide hole 111, and the upper slider 30 has a protruding guide rod 34 passing through the long guide hole 111; The grip operation of the upper slider 30 is used to achieve ease of use.

Moreover, the rear cover 12 has a horizontal guide plate 123 protruding parallel to the upper wall 121, the upper slider 30 has a sliding guide groove 35, and the sliding guide groove 35 slides the horizontal guide plate 123; therefore, Guiding the upper sliding block 30 by the transverse guide plate 123 has the advantage of stable sliding.

As shown in the third to fifth figures, the rear cover 12 is protruded with an upper blocking piece 125, the upper blocking piece 125 is located between the swing block 20 and the upper sliding block 30, and the upper blocking piece 125 provides the upper sliding The lower side of the block 30 leans against the guide and provides the upper slider 30 to stop and limit when the positioning protrusion 311 buckles the swing-out limit recess 122; 122 has a further auxiliary stop limit.

As shown in Figures 4 and 5, the rear cover 12 is protrudingly provided with a lower blocking piece 126, which is located on the side where the swing block 20 swings out of the lower opening 13; The sheet 126 provides a limit abutment when the swinging block 20 swings out of the lower opening 13, and supports the swinging block 20 to have a fixing effect in the swinging out position, improving the progress of stable use.

In addition, the assembly seat 10 has a side slot 14 communicating with the lower opening 13, and the swing block 20 is recessed with an avoidance slot 23, the avoidance slot 23 is opposite to the side slot 14, and the notch of the avoidance slot 23 faces One end of the lower opening 13 is swung out.

Finally, the front cover 11 has a protruding frame 112 protruding from the outer surface, and the protruding frame 112 surrounds the long guide hole 111; , it is provided to fasten and fix with the lower frame 41 of the screen window 40 .

10: Assembly socket 11: Front cover 111: long guide hole 112: assembled convex frame 12: rear cover 121: up against the wall 122: Swing out the limit concave 123: Horizontal guide plate 124: swing into the limit concave 125: upper baffle 126: lower baffle 127: side to wall 13: Lower opening 14: side slot 20: Swing block 21: Linkage end 211: Driven tooth gnashing 22: Activity side 23: Avoidance slot 30: Upper slider 31: upper elastic part 311: positioning convex 32: Lower gear row 33: Deformed slotting 34: Convex guide rod 35: sliding guide groove 40: screen window 41: Lower frame 411: sliding group groove 50: Aluminum window frame 51: Outer track A: Spring

The first picture is a schematic diagram of the three-dimensional combination of this creation. The second picture is a three-dimensional exploded schematic diagram of this creation. The third picture is a three-dimensional exploded schematic diagram of another perspective of this creation. Figure 4 is a schematic cross-sectional view of line IV-IV in Figure 1. The fifth figure is a schematic plan view of the movable end of the swinging block driven by the upper sliding block of this creation with elastic push supports at different swinging angle positions. Figure 6 is a schematic plan view of the creation of the upper slider driving the swinging block to swing into the assembly seat and fold it. The seventh picture is an exploded schematic diagram of the creation and screen window installation. The eighth picture is a three-dimensional view of the creation and the installation of the screen window. The ninth picture is a schematic plan view of the combination of the screen window created by this creation into the outer track of the aluminum window frame to form a large gap. The tenth picture is a schematic plan view of the combination of the screen window created by this creation into the outer track of the aluminum window frame to form a small gap. The eleventh picture is a schematic plan view of the minimum gap formed by installing the screen window of this creation into the outer track of the aluminum window frame.

10: Assembly seat

11: Front cover

12:Back cover

14: side slot

20: Swing block

Claims (9)

An anti-off structure for screen windows, comprising: The assembly seat includes a front cover and a rear cover, the front cover and the rear cover are relatively combined to form a lower opening, and the rear cover has an upper wall and a side wall; The oscillating block has a linkage end, a movable end, and a driven tooth protruding from the linkage end, and the oscillating block is pivotally arranged between the front cover and the rear cover with its linkage end; The upper slider has an upper elastic part, a lower row of teeth and a positioning protrusion protruding from the upper elastic part. The upper slider is located between the front cover and the rear cover and the upper elastic part is against the upper wall, and The lower tooth row engages the driven teeth of the interlocking end, and the positioning protrusion relatively abuts against the two fixed positions of the upper wall to limit the sliding of the upper slider relative to the upper wall at a fixed distance, and the lower tooth row engages the driven teeth. teeth and drive the swinging block to swing out of the lower opening, and make the swinging block swing into the assembly seat; And a spring located between the side wall and the upper sliding block, the spring pushes against the upper sliding block, and the upper sliding block drives the swinging block so that the movable end has elastic push supports at different swinging angle positions. The screen window anti-off structure as described in claim 1, wherein the fixed position includes a swing-out limit recess and a swing-in limit recess recessed on the upper wall, and the swing-out limit recess and the swing-in limit recess are in the form of The spacing is set, and the swing-out limit recess and the swing-in limit recess provide the positioning protrusion with a buckle limit when the upper elastic part of the upper slider slides relative to the upper wall. The screen window anti-dropping structure according to claim 1, wherein the upper slider is an elastic plastic structure, and the upper slider has a deformation groove located under the upper elastic part. The screen window anti-off structure according to claim 1, wherein the front cover has a long guide hole, and the upper slider has a convex guide rod passing through the long guide hole. The screen window anti-dropping structure according to claim 1, wherein the back cover has a horizontal guide plate protruding parallel to the upper wall, the upper slider has a sliding guide groove, and the sliding guide groove slides the horizontal guide plate. The screen window anti-dropping structure according to claim 1, wherein the back cover is protruded with an upper stopper, the upper stopper is located between the swing block and the upper slider, and the upper stopper provides a The side leans against the guide and provides the upper slider to stop and limit when the positioning protrusion buckles the swing-out limit recess. The anti-dropping structure of the screen window according to claim 1, wherein the rear cover is protruded with a lower blocking piece, and the lower blocking piece is located on the side where the swinging block swings out of the lower opening. The anti-dropping structure of the screen window according to claim 1, wherein the assembly seat has a side slot communicating with the lower opening, the swing block is recessed with an avoidance groove, the avoidance groove is opposite to the side groove, and the avoidance groove The notch is towards the end swinging out of the lower opening. The anti-dropping structure of screen window according to claim 4, wherein the front cover has a joint convex frame protruding from the outer surface, and the joint convex frame surrounds the long guide hole.

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