CN210637003U - Anti-theft door with built-in sliding door and middle door - Google Patents

Abstract

The utility model relates to the technical field of security doors, in particular to a security door with a built-in sliding door middle door, wherein a rectangular opening is arranged on a security door body, a sliding inner door is arranged at the inner side of the rectangular opening, and a fence and a fixed door plate are arranged at the outer side of the rectangular opening; the push-pull inner door comprises a first inner door, and the first inner door is arranged in the rectangular opening in a sliding mode through a sliding device arranged at the bottom of the first inner door; the sliding device comprises a fixed base, a distance adjusting device and a connecting plate, wherein one end of the fixed base is provided with a first protruding part, the other end of the fixed base is rotatably provided with a pulley device, and the pulley device comprises a pulley yoke and two pulleys rotatably arranged at two ends of the pulley yoke; one end of the connecting plate is connected with the pulley device, the other end of the connecting plate is movably connected with the first protruding portion through the distance adjusting device, and the distance adjusting device is used for adjusting the distance between the first protruding portion and the connecting plate. Use the utility model provides a security door realizes the effective utilization to the interior space of security door, need not to occupy the space of doorway.

Description

Anti-theft door with built-in sliding door and middle door

Technical Field

The utility model relates to a burglary-resisting door technical field, in particular to burglary-resisting door of door in built-in push-and-pull door.

Background

With the progress of science and technology, various devices and systems are widely used, wherein, in safety protection equipment, a security door is required to be applied.

In recent years, with the continuous improvement of the manufacturing technology of the anti-theft door, the product is updated rapidly, and the steel double-layer anti-theft door gradually replaces the existing steel single-layer anti-theft door with the advantages of theft prevention, sound insulation, ventilation, flame retardance and the like. The outer door of this kind of product design reaches the ventilation effect for taking the fence at present, and the inner door is then through folding paper connection door plant realization and external switch isolation, however, when the beautiful shortcoming of such product design was opened the inner door, the inner door can occupy the passageway space in front of the door to cause other people easily, especially child to be collided and gouged.

The patent application No. CN97224759.9 discloses a pick-proof anti-theft door, which is published as 20.1.1999, and comprises an inward-opening door leaf and a fence arranged on an outward-opening door leaf of the anti-theft door, and a decorative strip arranged at the edge of a front frame of a door frame. When someone comes, can open interior open door leaf, need not directly to open the burglary-resisting door, increased the security to open interior open door leaf summer, can also increase ventilation performance, however, interior open door leaf is for connecting the realization through the inboard installation hinge of frame, and when opening interior open door leaf, interior open door leaf can occupy the passageway space in front of the door, still causes other people to collide with the gouging easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the door-in-door type anti-theft door mentioned in the background art is connected with the door-in-door in a mode of installing a hinge and the like on the inner side of a frame, and when the door-in-door is opened, the door-in-door occupies the doorway space, the utility model provides the anti-theft door with the built-in sliding door-in door, which comprises the anti-theft door, wherein a rectangular opening is arranged on the anti-theft door, a sliding inner door is arranged on the inner side of the rectangular opening, and a fence and a fixed door plate are arranged on the outer side of the rectangular opening;

on the basis of the structure, the push-pull inner door further comprises a first inner door which is arranged in the rectangular opening in a sliding mode through a sliding device arranged at the bottom of the first inner door;

on the basis of the structure, the sliding device further comprises a fixed base, a distance adjusting device and a connecting plate, wherein one end of the fixed base is provided with a first protruding part, the other end of the fixed base is rotatably provided with a pulley device, and the pulley device comprises a pulley frame and two pulleys rotatably arranged at two ends of the pulley frame;

on the basis of the structure, furthermore, one end of the connecting plate is connected with the pulley device, the other end of the connecting plate is movably connected with the first protruding portion through the distance adjusting device, and the distance adjusting device is used for adjusting the distance between the first protruding portion and the connecting plate.

On the basis of the above structure, preferably, the push-pull inner door further includes a second inner door disposed in the rectangular opening.

On the basis of the structure, preferably, a gauze is arranged on the fence.

On the basis of the structure, preferably, the distance adjusting device comprises a through hole arranged on the first protruding portion, a threaded hole arranged on the connecting plate, and a bolt penetrating through the through hole and the threaded hole, wherein the bolt is provided with an annular groove used for being embedded into the through hole and enabling the bolt to be fixed on the first protruding portion, and a threaded structure matched with the threaded hole.

On the basis of the above structure, preferably, a second protruding portion is vertically arranged on the connecting plate, and the threaded hole is arranged on the second protruding portion.

On the basis of the above structure, preferably, the bolt is sleeved with a spring, and the spring abuts between the first protruding part and the second protruding part.

On the basis of the above structure, preferably, the sliding device further includes a supporting bottom frame connected below the fixing base, the supporting bottom frame includes a supporting flat plate connected with the fixing base, two ends of the supporting flat plate respectively extend downwards to form supporting vertical plates, the bottoms of the two supporting vertical plates extend outwards to form a fixing flat plate, and the fixing flat plate is provided with positioning holes.

On the basis of the above structure, preferably, a sliding door sliding rail is arranged in the rectangular opening, the sliding door sliding rail includes sliding rail side walls arranged on two sides of the pulley device and used for limiting a sliding path of the pulley device, the sliding rail side walls include detachable side walls, and the detachable side walls are used for allowing the sliding inner door to move out from a position where the detachable side walls are arranged when the detachable side walls are detached.

The utility model provides a pair of security type burglary-resisting door of built-in push-and-pull door middle door, compared with the prior art, has following advantage:

1. the design of the push-pull inner door realizes the effective utilization of the inner space of the anti-theft door without occupying the space of a doorway;

2. the design of pulley gear collocation push-and-pull door can adapt to the slide of different width, strong adaptability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of an outer side structure of a security door with a middle door having a built-in sliding door according to the present invention;

fig. 2 is a schematic view of an inner side structure of the anti-theft door with a built-in sliding door of the present invention;

fig. 3 is an exploded view of the security door with a built-in sliding door of the present invention;

fig. 4 is a schematic structural view of a sliding device provided in the present invention;

fig. 5 is a schematic structural view of another sliding device provided by the present invention;

fig. 6 is a schematic structural diagram of a bolt provided by the present invention;

fig. 7 is a schematic structural view of another angle of the sliding device according to the present invention;

fig. 8 is a schematic view of another angle structure of another sliding device provided by the present invention;

fig. 9 is a schematic structural view of a security door of a built-in sliding door with a sliding rail of a sliding door according to the present invention;

fig. 10 is a schematic structural view of a sliding rail of a sliding door according to the present invention;

fig. 11 is a cross-sectional view of a sliding rail of the sliding door provided by the utility model.

Reference numerals:

100 rectangular opening 120 fence of security door body 110

130 fixed door plate 200 push-pull inner door 210 first inner door

220 second inner door 300 sliding device 310 fixing base

320 connecting plate 321 screw hole 322 second lug

330 first lug 331 through hole 340 pulley device

341 pulley yoke 342 pulley 350 bolt

351 annular groove 360 spring 370 supports the chassis

371 support the flat 372 and support the riser 373 to fix the flat

374 locating hole 400 sliding door sliding rail 410 sliding rail side wall

411 detachable side wall 412 fixed side wall 413 clamping projection

414 clamping groove

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a burglary-resisting door of door in built-in push-and-pull door, including burglary-resisting door body 100, be provided with a rectangle opening 110 on the burglary-resisting door body 100, the inboard of rectangle opening 110 is provided with push-and-pull inner door 200, the outside of rectangle opening 110 is provided with fence 120 and fixed door plant 130.

In specific implementation, as shown in fig. 1 to 3, a rectangular opening 110 is provided on the security door body 100, and a sliding inner door 200 is provided inside the rectangular opening 110; a fence 120 and a fixed door panel 130 are fixedly arranged on the outer side of the rectangular opening 110, the fence 120 and the fixed door panel 130 can cover the whole rectangular opening 110, when the push-pull inner door 200 is closed, the space of the corresponding fence 120 in the rectangular opening 110 can be shielded, and the fixed door panel 130 can be provided with decorative patterns, so that the aesthetic feeling is improved;

in specific implementation, as shown in fig. 1 to 3, the fence 120 may be made of a square metal pipe, or may be made of a metal pipe with other shapes or patterns, so as to have a protective effect, prevent people or animals from entering the room, and have a certain decorative effect.

Specifically, the sliding inner door 200 includes a first inner door 210, and the first inner door 210 is slidably disposed in the rectangular opening 110 by a sliding device 300 disposed at the bottom.

In specific implementation, as shown in fig. 1 to 3, the inner sliding door 200 includes a first inner door 210, and the first inner door 210 is disposed inside the rectangular opening 110 in a sliding manner, in this embodiment, the fence 120 and the first inner door 210 are sequentially arranged in the rectangular opening 110 from outside to inside; the first inner door 210 is movably disposed in the rectangular opening 110, the sliding arrangement may be that sliding tracks are respectively disposed at the top and the bottom of the rectangular opening 110, and sliders or pulleys adapted to the sliding tracks are respectively disposed at the top and the bottom of the first inner door 210, so that the sliding arrangement is realized in a manner of the sliders and the sliding tracks.

The effective utilization of the space in the security door body 100 is realized through the design of the push-pull inner door 200, and the space of a doorway does not need to be occupied; prevent other people to get into through outside fence 120 realization, possess simultaneously and decorate and increase the aesthetic feeling, collocation push-and-pull interior door 200 can also compromise the theftproof and ventilate.

Specifically, the sliding device 300 includes a fixed base 310, a distance adjusting device, and a connecting plate 320, wherein one end of the fixed base 310 is provided with a first protrusion 330, and the other end is rotatably provided with a pulley device 340, and the pulley device 340 includes a pulley frame 341 and two pulleys 342 rotatably disposed at two ends of the pulley frame 341.

In specific implementation, as shown in fig. 3 to 5, the sliding device 300 includes a fixed base 310, one end of the fixed base 310 is vertically provided with a first protruding portion 330, and the other end of the fixed base 310 is rotatably provided with a pulley device 340, the pulley device 340 includes a pulley frame 341 and a pulley 342, a rotating shaft is disposed in the middle of the pulley frame 341 and is rotatably connected to the fixed base 310 through the rotating shaft, the pulley 342 is rotatably disposed on the pulley frame 341 through a roller shaft, and the pulleys 342 are respectively disposed at two ends of the pulley frame 341.

Specifically, one end of the connecting plate 320 is connected to the pulley device 340, and the other end is movably connected to the first protrusion 330 through a distance adjusting device, where the distance adjusting device is used to adjust the distance between the first protrusion 330 and the connecting plate 320.

In specific implementation, as shown in fig. 3 to 8, one end of the connecting plate 320 may be connected to the roller shaft, or may be fixedly connected to the pulley frame 341, so that dragging the connecting plate 320 can drive the sliding device 300 to rotate; the other end of the connecting plate 320 is movably connected with the first protruding portion 330 through a distance adjusting device, the distance adjusting device is used for adjusting the distance between the first protruding portion 330 and the connecting plate 320, and the connecting plate 320 drives the sliding device 300 to rotate, so that the position of the pulley 342 on the sliding device 300 is changed;

the distance between the first protruding portion 330 and the connecting plate 320 is adjusted through the distance adjusting device in the design of the sliding device 300, so that the position of the pulley 342 on the sliding device 300 is changed, and the sliding device can adapt to tracks with different widths and door bodies with different thicknesses.

Preferably, the push-pull inner door 200 further comprises a second inner door 220, the second inner door 220 being disposed within the rectangular opening 110.

In specific implementation, as shown in fig. 1 to 3, the sliding inner door 200 includes a first inner door 210 and a second inner door 220, the first inner door 210 and the second inner door 220 are disposed inside the rectangular opening 110 in the manner of a sliding door, and when the sliding inner door 200 is closed, the entire rectangular opening 110 can be covered, in this embodiment, the fence 120, the first inner door 210, and the second inner door 220 are sequentially disposed inside the rectangular opening 110 from outside to inside in a positional relationship of the fence 120, the first inner door 210, and the second inner door 220, the first inner door 210 is movably disposed inside the rectangular opening 110, the second inner door 220 is fixedly disposed inside the rectangular opening 110, of course, the second inner door 220 may also be slidably disposed inside the rectangular opening 110, and the sliding arrangement may be such that sliding tracks are respectively disposed at the top and the bottom of the rectangular opening 110, and the first inner door 210, the second inner door 220, and the second inner door 220 are disposed inside the rectangular opening 110, The top and the bottom of the second inner door 220 are respectively provided with a sliding block or a pulley and the like which are matched with the sliding track, and the sliding arrangement is realized through the sliding block and the sliding track.

Preferably, a gauze is disposed on the fence 120.

In specific implementation, the gauze is attached to the inner side surface of the fence 120, and may be only arranged on the part where the fence 120 is installed, and the gauze may be a diamond gauze, such as a black diamond gauze; the design of gauze is favorable to mosquito-proof worm to get into, possesses certain theftproof function simultaneously.

Preferably, the distance adjusting device comprises a through hole 331 arranged on the first protruding portion 330, a threaded hole 321 arranged on the connecting plate 320, and a bolt 350 arranged in the through hole 331 and the threaded hole 321, wherein the bolt 350 is provided with an annular groove 351 for the through hole 331 to be embedded and enabling the bolt 350 to be fixed on the first protruding portion 330, and a threaded structure matched with the threaded hole 321.

In a specific implementation, as shown in fig. 3 to 8, a through hole 331 is provided on the first protruding portion 330, a threaded hole 321 is provided on the connecting plate 320, the bolt 350 sequentially passes through the through hole 331 and the threaded hole 321, an annular groove 351 is provided on the bolt 350, and a diameter of a part of the annular groove 351 of the bolt 350 is the same as a diameter of the through hole 331, so that the through hole 331 can be embedded into the annular groove 351, and the bolt 350 is fixed on the first protruding portion 330;

furthermore, as shown in fig. 3-8, the other end of the bolt 350 is provided with an external thread structure matched with the threaded hole 321, so that when the nut at the left end of the bolt 350 is rotated, the distance between the first protruding part 330 and the connecting plate 320 can be adjusted, and further, the relative position of the two pulleys 342 is changed, so that the pulley device can adapt to various slideways at 340;

it should be noted that, as shown in fig. 5, a notch extending to the annular groove 351 is provided at the upper end of the first protruding portion 330, and a notch is also provided at the lower end of the annular groove 351, and the notch is used for facilitating the replacement of the bolt 350 or preventing the first protruding portion 330 from being cracked.

Preferably, a second protrusion 322 is vertically disposed on the connection plate 320, and the threaded hole 321 is disposed on the second protrusion 322.

In specific implementation, as shown in fig. 4-5, the connecting plate 320 is vertically provided with a second protruding portion 322 parallel to the first protruding portion 330, which is designed to facilitate the rotation of the bolt 350.

Preferably, the bolt 350 is sleeved with a spring 360, and the spring 360 abuts between the first protruding part 330 and the second protruding part 322.

In specific implementation, as shown in fig. 7-8, the bolt 350 is sleeved with a spring 360, and the spring 360 abuts between the first protruding portion 330 and the second protruding portion 322, so as to facilitate fine adjustment and the like.

Preferably, the sliding device 300 further includes a support chassis 370 connected below the fixing base 310, the support chassis 370 includes a support plate 371 connected to the fixing base 310, two ends of the support plate 371 respectively extend downwards to form support vertical plates 372, bottoms of the two support vertical plates 372 extend outwards to form a fixing plate 373, and the fixing plate 373 is provided with a positioning hole 374.

In specific implementation, as shown in fig. 4 and 8, the design of the supporting bracket 370 is beneficial to being connected with the bottom of the security door body 100, so as to facilitate the connection of the distance adjusting device, and the positioning hole 374 is used for installing a screw and the like to fix the sliding device 300 at the bottom of the security door body 100.

Preferably, a sliding door sliding rail 400 is arranged in the rectangular opening 110, the sliding door sliding rail 400 comprises sliding rail side walls 410 arranged at two sides of the pulley device 340 and used for limiting the sliding path of the pulley device 340, the sliding rail side walls 410 comprise detachable side walls 411, and the detachable side walls 411 are used for allowing the sliding inner door 200 to move out of the position where the detachable side walls 411 are arranged when the detachable side walls 411 are detached.

In specific implementation, the top and the bottom of the rectangular opening 110 are provided with a sliding door sliding rail 400 fixedly connected to the security door body 100, the sliding door sliding rail 400 includes two sliding rail side walls 410, and a groove is formed by surrounding the rectangular opening 110 and the sliding rail side walls 410 on the two sides to allow the pulley 342 on the pulley device 340 to move therein; the slide rail side wall 410 includes a detachable side wall 411, as shown in fig. 9-11, two ends of the detachable side wall 411 are connected with one end of a fixed side wall 412 in a clamping manner through a clamping structure, the other end of the fixed side wall 412 is connected with the security door body 100 in a fixed or clamping manner, and of course, the detachable side wall 411 may also be directly connected with the security door body 100 in a clamping manner through a clamping structure; when dismantling lateral wall 411 and fixed lateral wall 412 joint and be connected, door 200 normal use in the push-and-pull, when needing to change dismouting push-and-pull in door 200, then take off and dismantle lateral wall 411, door 200 then can be taken out through the breach that leaves after dismantling lateral wall 411 in the push-and-pull, conveniently carries out the dismouting maintenance.

In specific implementation, as shown in fig. 9 to 11, the bottom of the detachable side wall 411 may be provided with a clamping protrusion 413, and a clamping groove 414 adapted to the clamping protrusion 413 is disposed at a position of the detachable side wall 411 corresponding to the security door body 100, so as to increase stability of the detachable side wall 411.

Although terms such as security door body, rectangular opening, fence, fixed door panel, sliding inner door, first inner door, second inner door, sliding device, fixed base, connecting plate, threaded hole, second protruding part, first protruding part, through hole, pulley device, pulley holder, pulley, bolt, annular groove, spring, supporting chassis, supporting flat plate, supporting vertical plate, fixing flat plate, positioning hole, sliding door sliding rail, sliding rail side wall, detachable side wall, fixed side wall, clamping protrusion, clamping groove, etc. are used more often herein, the possibility of using other terms is not excluded. 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.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The utility model provides a burglary-resisting door of door in built-in push-and-pull door, includes burglary-resisting door body (100), its characterized in that: the anti-theft door is characterized in that a rectangular opening (110) is formed in the anti-theft door body (100), a push-pull inner door (200) is arranged on the inner side of the rectangular opening (110), and a fence (120) and a fixed door panel (130) are arranged on the outer side of the rectangular opening (110);

the push-pull inner door (200) comprises a first inner door (210), and the first inner door (210) is arranged in the rectangular opening (110) in a sliding mode through a sliding device (300) arranged at the bottom;

the sliding device (300) comprises a fixed base (310), a distance adjusting device and a connecting plate (320), wherein one end of the fixed base (310) is provided with a first protruding part (330), the other end of the fixed base is rotatably provided with a pulley device (340), and the pulley device (340) comprises a pulley frame (341) and two pulleys (342) rotatably arranged at two ends of the pulley frame (341);

one end of the connecting plate (320) is connected with the pulley device (340), the other end of the connecting plate is movably connected with the first protruding portion (330) through a distance adjusting device, and the distance adjusting device is used for adjusting the distance between the first protruding portion (330) and the connecting plate (320).

2. The burglary-resisting door of a built-in sliding door of claim 1, characterized in that: the push-pull inner door (200) further comprises a second inner door (220), the second inner door (220) being disposed within the rectangular opening (110).

3. The burglary-resisting door of a built-in sliding door of claim 1, characterized in that: the fence (120) is provided with a gauze.

4. The burglary-resisting door of a built-in sliding door of claim 1, characterized in that: the distance adjusting device comprises a through hole (331) formed in the first protruding portion (330), a threaded hole (321) formed in the connecting plate (320), and a bolt (350) penetrating through the through hole (331) and the threaded hole (321), wherein an annular groove (351) used for enabling the through hole (331) to be embedded and enabling the bolt (350) to be fixed on the first protruding portion (330) and a threaded structure matched with the threaded hole (321) are formed in the bolt (350).

5. The burglary-resisting door of a built-in sliding door of claim 4, characterized in that: the connecting plate (320) is provided with a second boss (322) which is vertically arranged, and the threaded hole (321) is formed in the second boss (322).

6. The burglary-resisting door of a built-in sliding door of claim 5, characterized in that: the bolt (350) is sleeved with a spring (360), and the spring (360) abuts between the first protruding portion (330) and the second protruding portion (322).

7. The burglary-resisting door of a built-in sliding door of claim 1, characterized in that: the sliding device (300) further comprises a supporting bottom frame (370) connected to the lower portion of the fixing base (310), the supporting bottom frame (370) comprises a supporting flat plate (371) connected with the fixing base (310), two ends of the supporting flat plate (371) extend downwards to form supporting vertical plates (372), the bottoms of the two supporting vertical plates (372) extend outwards to form fixing flat plates (373), and positioning holes (374) are formed in the fixing flat plates (373).

8. The burglary-resisting door of a built-in sliding door of claim 1, characterized in that: the sliding door is characterized in that a sliding door sliding rail (400) is arranged in the rectangular opening (110), the sliding door sliding rail (400) comprises sliding door side walls (410) which are arranged on two sides of the pulley device (340) and used for limiting the sliding path of the pulley device (340), each sliding door side wall (410) comprises a detachable side wall (411), and the detachable side walls (411) are used for allowing the sliding inner door (200) to move out of the position where the detachable side walls (411) are arranged when the detachable side walls (411) are detached.

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