CN114183058A

CN114183058A - Door sill with triple door opening and closing functions

Info

Publication number: CN114183058A
Application number: CN202111571814.7A
Authority: CN
Inventors: 林国文
Original assignee: Ningbo Heima Travel Products Co ltd
Current assignee: Ningbo Heima Travel Products Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-15
Anticipated expiration: 2041-12-21
Also published as: CN114183058B

Abstract

The invention discloses a door fence with triple door opening and closing functions, which comprises a door frame and a large swing door body, wherein the large swing door body is rotationally connected with the door frame through a hinge assembly at the upper left corner and a lower hinge assembly at the lower left corner, a large swing door lock body assembly is arranged at the upper right corner of the large swing door body, a middle swing door body is movably arranged at the middle part of the large swing door body, the middle swing door body is rotationally connected with the large swing door body through a middle swing door rotating shaft assembly, a small swing door body is movably arranged below the middle swing door body, the small swing door body is rotationally connected with the middle swing door body through a small swing door rotating shaft assembly, the small swing door body can be used for small pets such as cats to pass through, the small swing door body can be automatically closed under the action of gravity after the pets pass through, the middle swing door body can be used for large pets such as large dogs to pass through, the large swing door body can be used for adults or children to pass through after being opened, therefore, the door sill is suitable for more use scenes, and the practicability is improved.

Description

Door sill with triple door opening and closing functions

Technical Field

The invention relates to the technical field of household articles, in particular to a door sill with a triple door opening and closing function.

Background

The door fence is a safety device used for being installed on a staircase, an attic, a bedroom door or a courtyard door, because children are naturally active and like to run around in a house, but some places are not suitable for the children to go, such as the positions of the staircase, the attic and the like, and the door fence can also be used for controlling the moving range of the pets. There are many children's door fences in the market, the form is different, the variety is various, but the biggest requirement to the door fence is the security, many products are all makeed and made, design structure is very simple now, because children are full of curiosity at this stage, like playing to anything, it is not unusual to the door fence, they can often touch research door fence, so the design of door fence is reasonable, can give the maximum safety protection, current door fence only is provided with a revolving door simultaneously, the mode of opening is single, can not be applicable to multiple use scene, the revolving door that does not supply the small-size pet of cat class to pass through, also do not supply the revolving door that the large-size pet of large-size dog class passes through.

Patent No. 2013107120175 discloses a hand-pulling type fence door structure with convenient operation, which comprises: a fence and a revolving door, the structure of the fence comprising: bottom rail limit the upper end on left side rail limit is provided with locating piece and first connection limit be provided with magnet piece and lock chamber in the locating piece the upper end on right side rail limit is provided with fixed block and second and connects the limit, the structure of revolving door includes: the door frame, the lower extreme right side of door frame is rotated through lower pivot and is set up on bottom rail edge the upper end right side of door frame is provided with the connecting block, the connecting block rotates through last pivot and sets up on the fixed block be provided with the locking piece of mutually supporting with the lock chamber on hand be provided with respectively rather than the adjusting bolt who mutually supports in the both sides of bottom rail edge, the left side on first connecting edge and the second connecting edge right side adjusting bolt is last to be equipped with rather than the adjusting nut who mutually supports of cover, the nut and the wall body counterbalance of adjusting bolt tip. However, the device is only provided with one revolving door, the opening mode is single, the device cannot be suitable for various use scenes, the locking device of the device is simple, children can open the device easily, and the safety is not high.

Disclosure of Invention

The invention aims to provide a door fence with a triple door opening and closing function, and aims to solve the technical problems that the existing door fence provided in the background art is only provided with a rotating door, is single in opening mode and cannot be suitable for various use scenes, for example, a rotating door for small pets such as cats and a rotating door for large pets such as large dogs do not exist, and meanwhile, the existing door fence locking device is simple, can be easily opened by children and is low in safety.

In order to achieve the purpose, the invention provides the following technical scheme: a door sill with triple door opening and closing functions comprises a door frame and a large swing door bottom pipe, wherein a large swing door body is rotatably connected with the door frame through a hinge assembly at the upper left corner and a lower hinge assembly at the lower left corner;

the hinge assembly comprises a door frame hinge and a large swing door hinge, one side of the door frame hinge is fixedly arranged on a door frame, the other side of the door frame hinge is provided with a cylindrical connecting part used for being matched with the large swing door hinge, the upper end of the connecting part is provided with an inserting groove, the inner wall of the inserting groove extends upwards to form a protruding column, the top end surface of the protruding column is provided with a semicircular groove, an inclined arc surface, a protruding arc surface and a flat end surface, the height of the protruding arc surface is higher than that of the flat end surface, the center of the protruding column is sequentially provided with a small through hole and a large through hole from top to bottom, one side of the large swing door hinge is fixedly arranged at the upper left corner of the large swing door body, the other side of the large swing door hinge is provided with an inserting part used for being inserted into the inserting groove, the center of the inserting part is provided with an inserting column, the inserting column is inserted into the small through hole and extends to the bottom end of the large through hole, the hinge spring is sleeved outside of the inserting column, and the lower end cover is fixedly provided with a spring end cover through a bolt, the hinge spring upper end is inconsistent with big through-hole top end face, its lower extreme with the spring end cover is inconsistent, still install the bearing between grafting portion and the grafting post, the bearing passes through the stay bolt and fixes, the bearing can use the stay bolt to rotate as the axle center, when greatly revolving a body and closing, the bearing falls into the half slot, at the big body of revolving a body and opening the in-process, the bearing can roll on half slot, oblique cambered surface, convex cambered surface and flat terminal surface in proper order.

Preferably, the lock body assembly of the swing door comprises a lock sleeve body, a lock core, a lock head, a sliding switch, a safety switch, a first spring, a second spring and a third spring, wherein an installation cavity is arranged at the center of the lock sleeve body, a first spring cavity is arranged at the left end of the installation cavity, the first spring is arranged in the first spring cavity, the lock core is movably arranged in the installation cavity, the left end of the lock core is abutted against the first spring, sliding grooves are symmetrically formed in the upper end of the lock sleeve body, clamping grooves are formed in the positions, corresponding to the sliding grooves, of the lock core, the length of each sliding groove is larger than that of each clamping groove, the sliding switch comprises a sliding block at the upper end and a clamping block symmetrically arranged at the lower end, the clamping blocks penetrate through the sliding grooves and are clamped with the clamping grooves, a sliding cavity is arranged in the lock core, the second spring and the lock head are arranged in the sliding cavity, and the left end of the lock head is abutted against the second spring, the lock comprises a lock body and is characterized in that a limiting groove is formed in the upper end of the left side of the lock core, a limiting block is arranged at the top of the left side of the lock head and is arranged in the limiting groove, and a plug is arranged at the right end of the lock head.

Preferably, the slot has still been seted up to lock sleeve body lower extreme, the lock core lower extreme corresponds the slot position and has been seted up the locked groove, lock sleeve body lower extreme is provided with the flange, the jack has been seted up to the symmetry on the flange, the jack lower extreme is provided with the inclined plane, install safety switch in the flange, safety switch bilateral symmetry is provided with the protruding axle, the protruding axle inserts in the jack, safety switch right side middle part is provided with the locking piece of perk that makes progress, the locking piece can pass the slot and insert in the locked groove, the inside cross that is provided with of safety switch is protruding, the protruding outside of cross has cup jointed the third spring, third spring upper end and lock sleeve body are contradicted mutually.

Preferably, the door frame is provided with a door lock catch corresponding to the position of the large rotary door lock body assembly, the door lock catch is provided with a lock catch cavity, a plug at the right end of the lock head can be inserted into the lock catch cavity, the end part of the plug is provided with a smooth arc chamfer, and the outer side of the lock catch cavity is symmetrically provided with an arc surface.

Preferably, the big swing door body includes that big swing door bottom tube, big swing door push pipe and many vertical settings are used for connecting the big swing door standpipe of big swing door bottom tube and big swing door push pipe, big swing door fender is still installed on big swing door bottom tube right side, big swing door fender is including cup jointing the pipe box of big swing door bottom tube right-hand member portion and installing in the gate fender of pipe box both sides through long rivet symmetry, the pipe box both sides still symmetry is provided with card hole and lower draw-in groove, big door fender inboard is provided with the circle card post, keeps off when closing down when the gate, the circle card post can block into down in the draw-in groove, when the gate keeps off transversely to open, the circle card post can block into the card downthehole.

Preferably, well revolving door pivot subassembly is all installed at both ends about well revolving door body left side, well revolving door pivot subassembly includes the small rotating shaft, outwards stretch out from the body of following the revolving door in little revolving shaft one end, and it is internal that the other end is arranged in the well revolving door, the packing ring has been cup jointed in the outside one end that the small rotating shaft stretches out outward, the small rotating shaft is arranged in the little revolving door this internal one end outside and is cup jointed little pivot spring.

Preferably, the middle swing door lock is further installed in the middle of the right side of the middle swing door body and comprises a handle, a plug pin and a conical spiral spring, the left end of the plug pin is in threaded connection with the handle, the other end of the plug pin penetrates out of a vertical tube on the right side of the middle swing door body, the conical spiral spring is sleeved on the outer side of the plug pin, and an inserting hole for inserting the right end of the plug pin is formed in the position, corresponding to the plug pin, of the vertical tube of the large swing door.

Preferably, the small swing door body comprises an upper transverse pipe, a lower transverse pipe and a plurality of short vertical pipes for connecting the upper transverse pipe and the lower transverse pipe, a small swing door rotating shaft assembly is installed in the upper transverse pipe and comprises two long shafts which are symmetrically arranged and long springs for connecting the two long shafts, the end parts of the long shafts extend out of the upper transverse pipe and are inserted into the vertical pipes of the middle swing door body, and two small swing door stoppers are symmetrically installed in the middle of the lower transverse pipe.

Preferably, the door frame includes the bottom tube, rail pipe is installed to bottom tube both sides upper end symmetry, the connecting pipe is installed to rail pipe upper end, install the stay tube between connecting pipe and the bottom tube, it installs respectively in bottom tube both ends and connecting pipe to compress tightly the subassembly.

Preferably, the compressing assembly comprises a screw, a rubber coating, an adjusting nut and a wall cup, a tray body is arranged at one end of the screw, the rubber coating is coated on the outer side of the tray body, the wall cup is installed on the outer side of the rubber coating, the other end of the screw is inserted into the bottom pipe or the connecting pipe, and the adjusting nut is connected to the screw in a threaded mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the door fence with triple door opening and closing functions comprises a large revolving door body, a large revolving door lock body assembly, a middle revolving door body, a small revolving door body and a door frame, wherein the large revolving door body is rotatably connected with the door frame through a hinge assembly at the upper left corner and a lower hinge assembly at the lower left corner, the large revolving door body is provided with a large revolving door lock body assembly at the upper right corner, the middle revolving door body is movably provided with the middle revolving door body, the middle revolving door body is rotatably connected with the large revolving door body through the middle revolving door revolving shaft assembly, the small revolving door body is movably provided with a small revolving door body below the middle revolving door body, the small revolving door body is rotatably connected with the middle revolving door body through the small revolving door revolving shaft assembly, and the small revolving door body can be used for small pets such as cats to pass through, after the pet passes through, little swing door body can be by the automatic closure of action of gravity, and the large-scale pet that the body can supply large-scale dog to pass through of well swing door, and the body of greatly swinging door can be used to open the back and supply adult or child to pass through, therefore this door fence is applicable to more use scenes, has improved the practicality.

2. The door sill with triple door opening and closing functions comprises a large revolving door body and a door frame, wherein the door frame is connected through a hinge assembly, the top end surface of a convex column is provided with a semicircular groove, an inclined arc surface, a convex arc surface and a flat end surface, the outer side of a splicing column is sleeved with a hinge spring, and a bearing is arranged between a splicing part and the splicing column, when the large revolving door body is opened, the large revolving door body drives the large revolving door hinge to rotate, the bearing in the large revolving door hinge sequentially rolls to the flat end surface from the lowest semicircular groove through the inclined arc surface and the convex arc surface, the convex arc surface can limit the large revolving door hinge to roll backwards, namely when the opening angle is larger than 90 degrees, the large revolving door body can keep an opening state, on one hand, the large revolving door body moves from the lower part to the higher part, and has a certain damping effect due to the action of gravity, on the other hand, the large revolving door hinge can move upwards in the process, so the plug column drives spring end cover rebound compression hinge spring, so there is the heavy damping effect of second, even under the unblock state can be guaranteed to two kinds of damping effects, child also can't open greatly and revolve the door body easily, and simultaneously, when opening the angle and being less than 90 degrees, because the bearing only rolls the top of oblique cambered surface, convex cambered surface is not crossed, if loosen greatly and revolve the door body this moment, so under gravity and hinge spring's effort, it is closed that greatly revolve the door body can kick-back automatically, this kind of design is when needing to close greatly and revolve the door body, as long as when the bearing rolls convex cambered surface, because gravity action and hinge spring's effort, the big door body that revolves can obtain return helping hand effect promptly, thereby convenient easy big door body that revolves of closing.

3. This door grating with triple switch door function, through setting up the big lock body subassembly that revolves, can be firm with the locking of the big lock body that revolves, prevent that child from opening, and simultaneously, through installing safety switch, safety switch is under the effort of third spring, make the upwards perk's of its right side middle part setting the locking piece pass the slot and insert the locked groove, only can pass the unable unblock of sliding switch through promoting left this moment, only when upwards pressing safety switch, make the locking piece break away from the locked groove, promote sliding switch can make the unblock of the big lock body subassembly that revolves simultaneously left, this kind of unblock mode can effectively avoid children to unblock the big lock body subassembly that revolves easily, because children's hand is very little, hardly press safety switch and promote sliding switch simultaneously, improve the reliability that the big lock body locks greatly, make it have high security.

4. This door grating with triple switch door function, through set up glossy circular arc chamfer at the plug tip, hasp chamber outside symmetry is provided with the arcwall face, and simultaneously, install second spring and tapered end in the inside sliding chamber of lock core, thereby make under the condition that keeps slide switch motionless, direct inside pressing the tapered end also can make its withdrawal sliding chamber, when closing the body of greatly revolving the door, the plug of tapered end right-hand member contacts with the arcwall face in hasp chamber outside, thereby force tapered end withdrawal sliding chamber, conveniently close the body of greatly revolving the door.

5. This door grating with triple switch door function still installs the door shield of revolving greatly on big revolving door bottom tube right side, the door shield symmetry is installed in the both sides of pipe box, accessible 90 degrees rotations are adjusted the door shield and are opened or close during the use, two door shields can only open one of them or two and open simultaneously, thereby the direction that the big revolving door body of control was opened, it can only inwards or outwards be opened to restrict it, when two big door shields all closed, also play another layer of guarantee to the fastness that the big revolving door body was closed.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is an overall cross-sectional view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 3 at C according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 3 according to the present invention;

FIG. 8 is an exploded view of the hinge assembly of the present invention;

FIG. 9 is a top plan view of the hinge assembly of the present invention in a closed position;

FIG. 10 is a schematic view of the hinge assembly of the present invention shown in a closed position concealing a swing door hinge;

FIG. 11 is a top plan view of the hinge assembly of the present invention open to approximately 90 degrees;

FIG. 12 is a schematic view of the hinge assembly of the present invention opened approximately 90 degrees to conceal the large swing door hinge;

FIG. 13 is a top view of the hinge assembly of the present invention opened more than 90 degrees;

FIG. 14 is a schematic view of the hinge assembly of the present invention opening more than 90 degrees to conceal the swing door hinge;

FIG. 15 is a perspective view of the lock body assembly of the swing door of the present invention in an unlocked state;

FIG. 16 is a cross-sectional view of the lock body assembly of the swing door of the present invention in an unlocked state;

FIG. 17 is an exploded view of the lock body assembly of the swing door of the present invention;

figure 18 is an exploded sectional view of the lock body assembly of the swing door of the present invention;

FIG. 19 is a perspective view of the door frame of the present invention;

FIG. 20 is a perspective view of the swing door body of the present invention;

FIG. 21 is a perspective view of the swing door body of the present invention;

FIG. 22 is a perspective view of the small swing door body of the present invention;

FIG. 23 is a cross-sectional view of the body of the swing door of the present invention;

FIG. 24 is an exploded view of a large swing door shield according to the present invention;

figure 25 is an exploded view of the hold down assembly of the present invention.

In the figure: 1. a door frame; 101. a bottom tube; 102. a fence tube; 103. a connecting pipe; 104. supporting a tube; 2. a large swing door body; 21. a large swing door bottom tube; 22. a large swing door top pipe; 23. a vertical pipe of the large swing door; 24. a large rotary door stop; 241. pipe sleeve; 242. a long rivet; 243. a large door shield; 244. a clamping hole; 245. a lower clamping groove; 246. a round clamping column; 3. a hinge assembly; 31. a door frame hinge; 311. inserting grooves; 312. a convex column; 313. a semicircular groove; 314. an oblique arc surface; 315. a convex arc surface; 316. a flat end face; 317. a small through hole; 318. a large through hole; 32. a large swing door hinge; 321. a plug-in part; 322. inserting the column; 33. a hinge spring; 34. a spring end cap; 35. a bearing; 36. a long bolt; 4. a lower spindle assembly; 5. a large swing door lock body assembly; 51. a lock cylinder body; 511. a mounting cavity; 512. a first spring chamber; 513. a sliding groove; 514. a slot; 515. a flange; 516. a jack; 517. a bevel; 52. a lock cylinder; 521. a clamping groove; 522. a sliding cavity; 523. a limiting groove; 524. locking the groove; 53. a lock head; 531. a limiting block; 532. a plug; 54. a slide switch; 541. a slider; 542. a clamping block; 55. a safety switch; 551. a protruding shaft; 552. a locking block; 553. cross convex; 56. a first spring; 57. a second spring; 58. a third spring; 59. a door lock catch; 591. a latch cavity; 592. an arc-shaped surface; 6. a central revolving door body; 61. a middle revolving door rotating shaft component; 611. a small rotating shaft; 612. a gasket; 613. a small spindle spring; 7. a middle rotary door lock; 71. a grip; 72. a bolt; 73. a conical coil spring; 8. a small swing door body; 81. an upper horizontal pipe; 82. a lower transverse pipe; 83. a short vertical tube; 84. a small rotary door stop; 9. a small swing door rotating shaft component; 91. a long axis; 92. a long spring; 11. a compression assembly; 111. a screw; 112. encapsulating; 113. adjusting the nut; 114. a wall cup; 115. a tray body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a door sill with triple door opening and closing functions comprises a door frame 1 and a large swing door body 2, wherein the large swing door body 2 is rotatably connected with the door frame 1 through a hinge assembly 3 at the upper left corner and a lower hinge assembly 4 at the lower left corner, a large swing door lock body assembly 5 is installed at the upper right corner of the large swing door body 2, a middle swing door body 6 is movably installed at the middle part of the large swing door body 2, the middle swing door body 6 is rotatably connected with the large swing door body 2 through a middle swing door hinge assembly 61, a small swing door body 8 is movably installed below the middle swing door body 6, the small swing door body 8 is rotatably connected with the middle swing door body 6 through a small swing door hinge assembly 9, pressing assemblies 11 are installed at four corners of the door frame 1, the large swing door body is rotatably connected with the door frame through the hinge assembly at the upper left corner and the lower hinge assembly at the lower left corner, a large swing door lock body assembly is installed at the upper right corner of the large swing door body, the middle swing door body is movably installed at the middle part of the large swing door body, the middle revolving door body is rotatably connected with the large revolving door body through the middle revolving door rotating shaft assembly, the small revolving door body is movably arranged below the middle revolving door body and is rotatably connected with the middle revolving door body through the small revolving door rotating shaft assembly, the small revolving door body can be used for small pets such as cats to pass through, after the pets pass through, the small revolving door body can be automatically closed under the action of gravity, the middle revolving door body can be used for large pets such as large dogs to pass through, and the large revolving door body can be used for adults or children to pass through after being opened, so that the door fence is suitable for more use scenes, and the practicability is improved;

as shown in fig. 4 and fig. 8-14, the hinge assembly 3 comprises a door frame hinge 31 and a large swing door hinge 32, one side of the door frame hinge 31 is fixedly installed on the door frame 1, the other side thereof is provided with a cylindrical connecting part for matching with the large swing door hinge 32, the upper end of the connecting part is provided with a plug-in groove 311, the inner wall of the plug-in groove 311 extends upwards to form a convex column 312, the top end surface of the convex column 312 is provided with a semi-circular groove 313, an inclined arc surface 314, a convex arc surface 315 and a flat end surface 316, the height of the convex arc surface 315 is higher than that of the flat end 316, the center of the convex column 312 is provided with a small through hole 317 and a large through hole 318 from top to bottom in sequence, one side of the large swing door hinge 32 is fixedly installed on the upper left corner of the large swing door body 2, the other side thereof is provided with a plug-in part 321 for inserting the plug-in groove 311, the center of the plug-in part 321 is provided with a plug-in-column 322, the plug-column 322 is inserted in the small through hole 317 and extends to the bottom of the large through hole 318, the large swing door hinge 322 is sleeved with a hinge spring 33, the lower end of the insertion column 322 is fixedly provided with a spring end cover 34 through a bolt, the upper end of the hinge spring 33 is abutted against the top end surface of the large through hole 318, the lower end of the hinge spring is abutted against the spring end cover 34, a bearing 35 is further arranged between the insertion part 321 and the insertion column 322, the bearing 35 is fixed through a long bolt 36, the bearing 35 can rotate by taking the long bolt 36 as an axis, when the large swing door body 2 is closed, the bearing 35 falls into the semicircular groove 313, the bearing 35 can sequentially roll on the semicircular groove 313, the oblique arc surface 314, the convex arc surface 315 and the flat end surface 316 in the opening process of the large swing door body 2, the large swing door body is connected with the door frame through a hinge component, the semicircular groove, the oblique arc surface, the convex arc surface and the flat end surface are arranged on the top end surface of the convex column, the hinge spring is sleeved outside the insertion column, and the bearing is arranged between the insertion part and the insertion column, when the large swing door body is opened, the large swing door body drives the large swing door hinge to rotate, the bearing in the large swing door hinge rolls from the lowest semicircular groove to the flat end surface through the inclined arc surface and the convex arc surface in sequence, the convex arc surface can limit the large swing door body to roll back because the height of the convex arc surface is higher than that of the flat end surface, namely, when the opening angle is larger than 90 degrees, the large swing door body can keep the opening state, on one hand, the large swing door body moves from the low position to the high position because of the gravity action and has certain damping effect, on the other hand, in the process, the large swing door hinge moves upwards because the large swing door hinge can drive the spring end cover to move upwards to compress the hinge spring because the inserting column drives the spring end cover to move upwards, so that second damping effect exists, the two damping effects can ensure that a child cannot easily open the large swing door body even under the unlocking state, meanwhile, when the opening angle is smaller than 90 degrees, because the bearing only rolls to the top end of the inclined arc surface and does not cross the convex arc surface, if the large swing door body is loosened, under the action of gravity and the hinge spring, the large swing door body can automatically rebound and close, and when the large swing door body needs to be closed, the large swing door body can obtain a return power assisting effect due to the action of gravity and the action of the hinge spring only when the bearing rolls over the convex arc surface, so that the large swing door body can be conveniently and easily closed.

As shown in fig. 5 and fig. 15-18, the lock body assembly 5 of the swing door includes a lock body 51, a lock cylinder 52, a lock head 53, a sliding switch 54, a safety switch 55, a first spring 56, a second spring 57 and a third spring 58, wherein the lock body 51 is centrally provided with an installation cavity 511, the left end of the installation cavity 511 is provided with a first spring cavity 512, the first spring 56 is installed in the first spring cavity 512, the lock cylinder 52 is movably installed in the installation cavity 511, the left end of the lock cylinder 52 is abutted against the first spring 56, the upper end of the lock body 51 is symmetrically provided with a sliding groove 513, the lock cylinder 52 is provided with a clamping groove 521 corresponding to the sliding groove 513, the length of the sliding groove 513 is greater than that of the clamping groove 521, the sliding switch 54 includes a sliding block 541 at the upper end and a clamping block 542 symmetrically arranged at the lower end, the clamping block 542 penetrates through the sliding groove 513 to be clamped with the clamping groove 521, the sliding cavity 522 is arranged inside the lock cylinder 52, the sliding cavity 522 is provided with the second spring 57 and the lock head 53, the left end of the lock head 53 is abutted against the second spring 57, the upper end of the left side of the lock cylinder 52 is provided with a limiting groove 523, the top of the left side of the lock head 53 is provided with a limiting block 531, the limiting block 531 is arranged in the limiting groove 523, and the right end of the lock head 53 is provided with a plug 532.

As shown in fig. 15-18, the lower end of the lock sleeve body 51 is further provided with a slot 514, the lower end of the lock core 52 is provided with a lock slot 524 corresponding to the slot 514, the lower end of the lock sleeve body 51 is provided with a flange 515, the flange 515 is symmetrically provided with a jack 516, the lower end of the jack 516 is provided with an inclined plane 517, a safety switch 55 is installed in the flange 515, two sides of the safety switch 55 are symmetrically provided with a protruding shaft 551, the protruding shaft 551 is inserted into the jack 516, the middle part of the right side of the safety switch 55 is provided with an upward-tilted lock block 552, the lock block 552 can penetrate through the slot 514 and be inserted into the lock slot 524, a cross-shaped projection 553 is arranged inside the safety switch 55, a third spring 58 is sleeved outside the cross-shaped projection 553, the upper end of the third spring 58 abuts against the lock sleeve body 51, by arranging a large swing door lock body assembly, the large swing door body can be firmly locked, preventing a child from being opened, and, meanwhile, by installing the safety switch under the acting force of the third spring, make the upwards perk's of its right side middle part setting locking piece pass the slot and insert the locked groove in, only can pass through the unable unblock of sliding switch that promotes left this moment, only when upwards pressing insurance switch, make the locking piece break away from the locked groove, promote sliding switch can make the big revolving door lock body subassembly unblock left simultaneously, this kind of unblock mode can effectively avoid children to unblock big revolving door lock body subassembly easily, because children's hand is very little, it is difficult to press insurance switch and promote sliding switch simultaneously, improve the reliability of big revolving door body locking greatly, make it have high security.

As shown in fig. 15-18, a door lock catch 59 is further fixedly mounted on the door frame 1 corresponding to the position of the lock body assembly 5 of the swing door, a lock catch cavity 591 is disposed on the door lock catch 59, a plug 532 at the right end of the lock head 53 can be inserted into the lock catch cavity 591, a smooth arc chamfer is disposed at the end of the plug 532, arc surfaces 592 are symmetrically disposed at the outer sides of the lock catch cavity 591, the smooth arc chamfer is disposed at the end of the plug, arc surfaces are symmetrically disposed at the outer sides of the lock catch cavity, and meanwhile, a second spring and the lock head are mounted in a sliding cavity inside the lock core, so that the lock head can be directly pressed inwards to retract into the sliding cavity under the condition that the sliding switch is kept motionless, when the swing door body is closed, the plug at the right end of the lock head contacts with the arc surfaces at the outer sides of the lock catch cavity, thereby forcing the lock head to retract into the sliding cavity, and facilitating the closing of the swing door body.

As shown in fig. 20 and 24, the large swing door body 2 includes a large swing door bottom pipe 21, a large swing door top pipe 22, and a plurality of large swing door vertical pipes 23 vertically arranged for connecting the large swing door bottom pipe 21 and the large swing door top pipe 22, a large swing door stopper 24 is further installed on the right side of the large swing door bottom pipe 21, the large swing door stopper 24 includes a pipe sleeve 241 sleeved on the right end portion of the large swing door bottom pipe 21 and a large door stopper 243 symmetrically installed on both sides of the pipe sleeve 241 by long rivets 242, both sides of the pipe sleeve 241 are further symmetrically provided with locking holes 244 and lower locking grooves 245, a circular locking column 246 is provided inside the large door stopper 243, when the large door stopper 243 is closed downward, the circular locking column 246 can be locked into the lower locking groove 245, when the large door stopper 243 is opened laterally, the large swing door stopper is further installed on the right side of the large swing door bottom pipe, the large swing door stopper is symmetrically installed on both sides of the pipe sleeve, when in use, the large swing door stopper can be adjusted to be opened or closed by 90 degrees, simultaneously two big door shields can only open one of them or two are opened simultaneously to the direction that the big swing door body was opened is controlled, restricts it and can only inwards or outwards open, when two big door shields were all closed, also played another layer of guarantee to the fastness that the big swing door body was closed.

As shown in fig. 21, the middle swing door rotating shaft assembly 61 is installed at both upper and lower ends of the left side of the middle swing door body 6, the middle swing door rotating shaft assembly 61 includes a small rotating shaft 611, one end of the small rotating shaft 611 extends outwards from the middle swing door body 6, the other end is disposed in the middle swing door body 6, a gasket 612 is sleeved outside the outwards extending end of the small rotating shaft 611, a small rotating shaft spring 613 is sleeved outside the end of the small rotating shaft 611 disposed in the middle swing door body 6, and the gasket 612 is disposed to prevent the middle swing door body 6 from directly rubbing and damaging with a bottom pipe of the large swing door in the rotating process or generating noise during rotation.

As shown in fig. 7 and 21, the middle swing door lock 7 is further installed in the middle of the right side of the middle swing door body 6, the middle swing door lock 7 comprises a handle 71, a bolt 72 and a conical helical spring 73, the left end of the bolt 72 is in threaded connection with the handle 71, the other end of the bolt penetrates out of a vertical tube on the right side of the middle swing door body 6, the conical helical spring 73 is sleeved on the outer side of the bolt 72, a plug hole for inserting the right end of the bolt 72 is formed in the position, corresponding to the bolt 72, of the vertical tube 23 of the large swing door, and the middle swing door lock 7 is arranged to lock or open the middle swing door body 6 so as to facilitate the large pet to go in and out.

As shown in fig. 22-23, the small swing door body 8 includes an upper horizontal tube 81, a lower horizontal tube 82 and a plurality of short vertical tubes 83 for connecting the upper horizontal tube 81 and the lower horizontal tube 82, the upper horizontal tube 81 is installed with the small swing door pivot assembly 9, the small swing door pivot assembly 9 includes two symmetrically arranged long shafts 91 and long springs 92 for connecting the two long shafts 91, the ends of the long shafts 91 extend out of the upper horizontal tube 81 and insert into the vertical tubes of the swing door body 6, the middle of the lower horizontal tube 82 is symmetrically installed with two small swing door stoppers 84, the pivot assembly of the small swing door is transversely arranged, so that the door can be automatically closed by gravity after passing through a small pet.

As shown in fig. 19 and 25, the door frame 1 includes a bottom tube 101, fence tubes 102 are symmetrically installed at the upper ends of both sides of the bottom tube 101, a connection tube 103 is installed at the upper end of the fence tube 102, a support tube 104 is installed between the connection tube 103 and the bottom tube 101, the pressing assemblies 11 are respectively installed at both ends of the bottom tube 101 and in the connection tube 103, each pressing assembly 11 includes a screw 111, an encapsulation 112, an adjustment nut 113 and a wall cup 114, a disc body 115 is installed at one end of the screw 111, the outer side of the disc body 115 is coated with the encapsulation 112, a wall cup 114 is installed at the outer side of the encapsulation 112, the other end of the screw 111 is inserted into the bottom tube 101 or the connection tube 103, the adjustment nut 113 is threadedly connected to the screw 111, the encapsulation 112, the adjustment nut 113 and the wall cup 114 are assembled and then inserted into the bottom tube 101, the insertion depth is adjusted to just enable the wall cup 114 to contact with the wall body, and the adjustment nut 113 is rotated to move towards the bottom tube 101, until the adjusting nut 113 is abutted against the end surface of the bottom tube 101, the door sill can be fixed at the moment.

The working principle is as follows: the door fence can be used for being installed in various places such as stairs, attics, bedrooms or courtyard doors, and is introduced when being installed on a bedroom door, firstly, the screw 111, the rubber coating 112, the adjusting nut 113 and the wall cup 114 are assembled and then inserted into the bottom pipe 101 (or the connecting pipe 103), the inserting depth is adjusted to just enable the wall cup 114 to be in contact with a wall body, at the moment, the adjusting nut 113 is rotated to enable the wall cup to move towards the direction of the bottom pipe 101 (or the connecting pipe 103) until the adjusting nut 113 is abutted against the end face of the bottom pipe 101 (or the connecting pipe 103), at the moment, the door fence can be fixed, when an adult needs to pass through the door fence, the large revolving door stop 24 can be firstly opened, then the safety switch 55 is pressed, the sliding switch 54 is pushed leftwards, the large revolving door lock body assembly 5 can be unlocked, at the moment, the large revolving door body 2 can be rotated inwards or outwards to enable the large revolving door body to be opened, and due to the matching relationship of the large revolving door hinge 32 and the door frame 31 in the opening process, when the large swing door body is opened, the large swing door body drives the large swing door hinge to rotate, a bearing in the large swing door hinge sequentially rolls from a lowest semicircular groove to a flat end surface through an inclined arc surface and a convex arc surface, the convex arc surface can limit the large swing door hinge to roll back, namely when the opening angle is larger than 90 degrees, the large swing door body can keep an opening state, when the opening angle is smaller than 90 degrees, the bearing only rolls to the top end of the inclined arc surface and does not cross the convex arc surface, if the large swing door body is loosened at the moment, the large swing door body can automatically rebound and close under the action force of gravity and a hinge spring, when a large pet needs to pass through, the middle swing door body 6 can be opened inwards or outwards, when a small pet needs to pass through, the small swing door 84 can be opened, and one of the small swing door stoppers 84 can be opened, come the small-size pet to go out or can only advance, or open two little door stops 84 simultaneously soon, make the small-size pet business turn over can both pass through, big door stop 24 that revolve simultaneously also can control the direction of opening of big door body 2 soon, consequently this door fence is applicable to more use scenes, has improved the practicality.

In the embodiments of the present application, the descriptions of the directional terms such as "front", "back", "left" and "right" are only described according to the directions shown in the drawings shown in the present application, and are not limited to the scope of the claims of the present application, and in the specific implementation process, other similar or similar embodiments may be obtained by correspondingly modifying the embodiments according to the embodiments, and all of the embodiments are within the scope of the present application, and the descriptions of the other similar or similar embodiments are not repeated in the present application.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a door grating with triple switch door function, includes door frame (1) and greatly revolves door body (2), its characterized in that: the large swing door body (2) is rotatably connected with the door frame (1) through a hinge assembly (3) at the upper left corner and a lower hinge assembly (4) at the lower left corner, a large swing door lock body assembly (5) is installed at the upper right corner of the large swing door body (2), a middle swing door body (6) is movably installed in the middle of the large swing door body (2), the middle swing door body (6) is rotatably connected with the large swing door body (2) through a middle swing door rotating shaft assembly (61), a small swing door body (8) is movably installed below the middle swing door body (6), the small swing door body (8) is rotatably connected with the middle swing door body (6) through a small swing door rotating shaft assembly (9), and pressing assemblies (11) are installed at four corners of the door frame (1);

the hinge assembly (3) comprises a door frame hinge (31) and a large swing door hinge (32), one side of the door frame hinge (31) is fixedly arranged on the door frame (1), the other side of the door frame hinge is provided with a cylindrical connecting part used for being matched with the large swing door hinge (32), the upper end of the connecting part is provided with an inserting groove (311), the inner wall of the inserting groove (311) extends upwards to form a convex column (312), the top end surface of the convex column (312) is provided with a semi-circular groove (313), an inclined arc surface (314), a convex arc surface (315) and a flat end surface (316), the height of the convex arc surface (315) is higher than that of the flat end surface (316), the center of the convex column (312) is sequentially provided with a small through hole (317) and a large through hole (318) from top to bottom, one side of the large swing door hinge (32) is fixedly arranged at the upper left corner of the large swing door body (2), and the other side of the large swing door hinge is provided with an inserting part (321) used for being inserted into the inserting groove (311), the hinge structure is characterized in that a plug-in column (322) is arranged at the center of the plug-in part (321), the plug-in column (322) is inserted into the small through hole (317) and extends to the bottom end of the large through hole (318), a hinge spring (33) is sleeved on the outer side of the plug-in column (322), a spring end cover (34) is fixedly mounted at the lower end of the plug-in column (322) through a bolt, the upper end of the hinge spring (33) is abutted to the top end face of the large through hole (318), the lower end of the hinge spring is abutted to the spring end cover (34), a bearing (35) is further mounted between the plug-in part (321) and the plug-in column (322), the bearing (35) is fixed through a long bolt (36), the bearing (35) can rotate by taking the long bolt (36) as an axis, when the large swing door body (2) is closed, the bearing (35) falls into a semi-circular groove (313), and in the opening process of the large swing door body (2), the bearing (35) can be sequentially arranged in the semi-circular groove (313), The inclined arc surface (314), the convex arc surface (315) and the flat end surface (316) roll.

2. The doorsill with triple door opening and closing functions as claimed in claim 1, wherein: the big swing door lock body assembly (5) comprises a lock body (51), a lock core (52), a lock head (53), a sliding switch (54), a safety switch (55), a first spring (56), a second spring (57) and a third spring (58), wherein an installation cavity (511) is arranged in the center of the lock body (51), a first spring cavity (512) is arranged at the left end of the installation cavity (511), the first spring (56) is installed in the first spring cavity (512), the lock core (52) is movably installed in the installation cavity (511), the left end of the lock core (52) is abutted to the first spring (56), a sliding groove (513) is symmetrically formed in the upper end of the lock body (51), a clamping groove (521) is formed in the position, corresponding to the sliding groove (521), of the sliding groove (513), is longer than the clamping groove (521), the sliding switch (54) comprises a sliding block (541) at the upper end and a clamping block (542) symmetrically arranged at the lower end, the fixture block (542) penetrates through the sliding groove (513) and the clamping groove (521), a sliding cavity (522) is arranged inside the lock cylinder (52), a second spring (57) and a lock head (53) are installed in the sliding cavity (522), the left end of the lock head (53) is abutted to the second spring (57), a limiting groove (523) is formed in the upper end of the left side of the lock cylinder (52), a limiting block (531) is arranged at the top of the left side of the lock head (53), the limiting block (531) is arranged in the limiting groove (523), and a plug (532) is arranged at the right end of the lock head (53).

3. The doorsill with triple door opening and closing functions as claimed in claim 2, wherein: the lower end of the lock sleeve body (51) is also provided with a slot (514), the lower end of the lock core (52) is provided with a lock slot (524) corresponding to the slot (514), the lower end of the lock sleeve body (51) is provided with a flange (515), the flange (515) is symmetrically provided with insertion holes (516), the lower end of the jack (516) is provided with a bevel (517), a safety switch (55) is arranged in the flange (515), the two sides of the safety switch (55) are symmetrically provided with convex shafts (551), the convex shafts (551) are inserted into the insertion holes (516), the middle part of the right side of the safety switch (55) is provided with a lock block (552) which is tilted upwards, the lock block (552) can be inserted into the lock slot (524) through the insertion slot (514), a cross-shaped protrusion (553) is arranged inside the safety switch (55), a third spring (58) is sleeved on the outer side of the cross-shaped protrusion (553), and the upper end of the third spring (58) is abutted to the lock sleeve body (51).

4. The doorsill with triple door opening and closing functions as claimed in claim 2, wherein: the door lock is characterized in that a door lock catch (59) is fixedly mounted on the door frame (1) corresponding to the position of the large rotary door lock body assembly (5), a lock catch cavity (591) is formed in the door lock catch (59), a plug (532) at the right end of the lock head (53) can be inserted into the lock catch cavity (591), a smooth arc chamfer is formed in the end portion of the plug (532), and arc-shaped surfaces (592) are symmetrically arranged on the outer side of the lock catch cavity (591).

5. The doorsill with triple door opening and closing functions as claimed in claim 1, wherein: the large swing door body (2) comprises a large swing door bottom pipe (21), a large swing door top pipe (22) and a plurality of large swing door vertical pipes (23) which are vertically arranged and used for connecting the large swing door bottom pipe (21) and the large swing door top pipe (22), the right side of the big swing door bottom pipe (21) is also provided with a big swing door stop (24), the big swing door stop (24) comprises a pipe sleeve (241) sleeved at the right end part of the big swing door bottom pipe (21) and big door stops (243) symmetrically arranged at the two sides of the pipe sleeve (241) through long rivets (242), the two sides of the pipe sleeve (241) are symmetrically provided with a clamping hole (244) and a lower clamping groove (245), the inner side of the door stop (243) is provided with a round clamping column (246), when the big door stop (243) is closed downwards, the round clamping column (246) can be clamped into the lower clamping groove (245), when the large door stop (243) is opened transversely, the round clamping column (246) can be clamped into the clamping hole (244).

6. The doorsill with triple door opening and closing functions as claimed in claim 1, wherein: well swing door pivot subassembly (61) are all installed at both ends about well swing door body (6) left side, well swing door pivot subassembly (61) include little pivot (611), outwards stretch out from well swing door body (6) in little pivot (611) one end, the other end is arranged in well swing door body (6), packing ring (612) have been cup jointed in the outside one end that outwards stretches out of little pivot (611), little pivot (611) are arranged in the one end outside in well swing door body (6) and are cup jointed little pivot spring (613).

7. The doorsill with triple door opening and closing functions as claimed in claim 5, wherein: the middle swing door is characterized in that a middle swing door lock (7) is further mounted in the middle of the right side of the middle swing door body (6), the middle swing door lock (7) comprises a handle (71), a plug pin (72) and a conical spiral spring (73), the left end of the plug pin (72) is in threaded connection with the handle (71), the other end of the plug pin penetrates out of a vertical pipe on the right side of the middle swing door body (6), the conical spiral spring (73) is sleeved on the outer side of the plug pin (72), and a plug hole for inserting the right end of the plug pin (72) is formed in the position, corresponding to the plug pin (72), of the vertical pipe (23) of the large swing door.

8. The doorsill with triple door opening and closing functions as claimed in claim 1, wherein: little swing door body (8) are including last violently managing (81), violently manage (82) down and many short standpipe (83) that are used for connecting up violently pipe (81) and violently manage (82) down, go up and install little swing door pivot subassembly (9) in violently managing (81), little swing door pivot subassembly (9) are including major axis (91) that two symmetries set up and long spring (92) that are used for connecting two major axes (91), major axis (91) tip stretches out in the standpipe that inserts well swing door body (6) in violently managing (81) from last, violently manage (82) middle part symmetry down and install two little swing door fender (84).

9. The doorsill with triple door opening and closing functions as claimed in claim 1, wherein: door frame (1) includes bottom tube (101), rail pipe (102) are installed to bottom tube (101) both sides upper end symmetry, connecting pipe (103) are installed to rail pipe (102) upper end, install between connecting pipe (103) and bottom tube (101) stay tube (104), it installs respectively in bottom tube (101) both ends and connecting pipe (103) to compress tightly subassembly (11).

10. The doorsill with triple door opening and closing functions as claimed in claim 9, wherein: the pressing assembly (11) comprises a screw rod (111), rubber coating (112), an adjusting nut (113) and a wall cup (114), wherein a disc body (115) is arranged at one end of the screw rod (111), the rubber coating (112) is coated on the outer side of the disc body (115), the wall cup (114) is installed on the outer side of the rubber coating (112), the other end of the screw rod (111) is inserted into the bottom pipe (101) or the connecting pipe (103), and the adjusting nut (113) is connected to the screw rod (111) in a threaded mode.