Double door with adjustable blind hinge

Abstract

The double door comprises a door frame and a door leaf, and further comprises an adjustable hinge and a fastener, one side of the adjustable hinge is arranged on the door frame, the other side of the adjustable hinge is arranged on the door leaf, a strip-shaped hole is formed in the adjustable hinge, the strip-shaped hole extends in the height direction of the adjustable hinge, and the fastener is arranged in the strip-shaped hole. A plurality of adjusting holes are formed in the adjustable hinge, the adjusting holes are distributed in the length direction of the adjustable hinge, and the strip-shaped holes and the adjusting holes are located in different planes; and the fasteners respectively penetrate out of the strip-shaped holes and one of the adjusting holes and are screwed on the door frame and the door leaf. Adjustment in the height direction of the adjustable hinge can be achieved through the strip-shaped hole and the fastener, adjustment in the length direction of the adjustable hinge can be achieved through the adjusting hole and the fastener, and therefore the adjustable hinge can be matched with assembly of an armored door with a large gap between a door frame and a door leaf, and production is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of doors, in particular to a double-opening door with adjustable concealed hinges. Background Art

[0002] With the advancement of social science and technology, armored doors, as an upgraded product of anti-theft doors, have entered more and more families, and the styles and materials of armored doors are becoming more and more diverse.

[0003] The anti-theft doors, steel doors and armored doors on the market generally include door frames, door leaves and hinges. The door leaves are installed on the door frames through hinges. There are often mounting holes on both sides of the hinges, and round holes on the door frames and door leaves. The hinges are assembled on the door leaves and door frames through bolts, mounting holes and round holes on both sides.

[0004] The mounting holes are often round holes and are distributed in columns. When the gap size between the door leaf and the door frame does not match, the mounting holes on both sides of the hinge are misaligned with the through holes on the door leaf or door frame, which makes it inconvenient to install the hinge. It also places high demands on the dimensional accuracy of the door leaf or door frame, making it inconvenient to produce and assemble. Therefore, improvements are needed. Summary of the invention

[0005] The utility model aims at the defects of the armored door in the prior art that the hinge cannot be adjusted, which leads to inconvenience in installing the hinge, door leaf and door frame, and the like, and provides a new double-opening door with adjustable concealed hinge.

[0006] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:

[0007] A double-opening door with an adjustable concealed hinge comprises a door frame and a door leaf, and also comprises an adjustable hinge and a fastener. One side of the adjustable hinge is arranged on the door frame, and the other side of the adjustable hinge is arranged on the door leaf. The adjustable hinge is provided with a strip hole, and the strip hole extends along the height direction of the adjustable hinge. The adjustable hinge is provided with a plurality of adjustment holes, and the adjustment holes are distributed along the length direction of the adjustable hinge. The strip hole and the adjustment hole are located in different planes; the fasteners respectively pass through the strip hole and one of the adjustment holes and are screwed on the door frame and the door leaf.

[0008] The adjustable hinge can be adjusted in height direction through the strip holes and fasteners, and can be adjusted in length direction through the adjustment holes and fasteners, so that it can be adapted to the assembly of armored doors with large gaps between door frames and door leaves, thus facilitating production.

[0009] Preferably, in the above-mentioned double-opening door with adjustable concealed hinges, the strip holes are provided in two groups, the strip holes are distributed along the height direction of the adjustable hinges, and the number of the strip holes in each group is at least one.

[0010] Two groups of strip holes are provided and distributed along the height direction, thereby improving the stability of the adjustable hinge when assembled on the door leaf and the door frame.

[0011] Preferably, the above-mentioned double-opening door with an adjustable concealed hinge, the adjustable hinge comprises a first main body, a second main body, a first connecting member, a second connecting member and a rotating shaft, the two ends of the first connecting member are respectively rotatably connected to the first main body and the second main body, one end of the second connecting member is rotatably connected to the second main body, the rotating shaft is passed through the second connecting member and the two ends of the rotating shaft are arranged on the first connecting member; the first main body and the second main body are respectively provided with a first accommodating groove and a second accommodating groove, an unfolded state and a closed state are formed between the first main body, the second main body, the first connecting member, the second connecting member and the rotating shaft, in the closed state, the first main body and the second main body surface are attached to each other and the first accommodating groove is directly opposite to the second accommodating groove, the first connecting member and the second connecting member are respectively transferred into the first accommodating groove and the second accommodating groove.

[0012] The above structure enables the door leaf to be opened and closed 180 degrees, making it easy to use in narrow corridors and improving the convenience of use.

[0013] Preferably, in the above-described double-opening door with an adjustable concealed hinge, the adjustment holes are arranged on the first body and the second body, the adjustment holes are arranged in two groups, each group of the adjustment holes is arranged with a plurality of adjustment holes, and the adjustment holes are distributed along the height direction of the adjustable hinge.

[0014] The two groups of adjustment holes are provided in multiple numbers and distributed at both ends of the adjustable hinge in the height direction, which not only increases the adjustment range of the adjustable hinge in the length direction, but also further improves the stability of the adjustable hinge during assembly.

[0015] Preferably, in the above-mentioned double-opening door with adjustable concealed hinges, the adjustable hinges are made of stainless steel.

[0016] The adjustable hinge is made of stainless steel, which improves the structural strength of the adjustable hinge and prolongs the service life of the adjustable hinge.

[0017] Preferably, in the above-mentioned double-opening door with adjustable concealed hinges, the door leaf comprises a left leaf plate and a right leaf plate, the left leaf plate is provided with a snap-in groove on the side end facing the right leaf plate, and the right leaf plate is provided with a snap-in block on the side end facing the left leaf plate, and the snap-in block is adapted to the shape of the snap-in groove; in a closed state, the left leaf plate, the right leaf plate and the door frame are in the same plane, and the snap-in block is inserted into the snap-in groove.

[0018] The left fan plate and the right fan plate are snap-fitted together by snap-fit ​​blocks and snap-fit ​​grooves, which improves the sealing performance of the connection between the left and right fan plates and improves the dust and smoke prevention effects of the left and right fan plates.

[0019] Preferably, in the above-mentioned double-opening door with adjustable concealed hinges, the inner side walls of the clamping block and the clamping groove are provided with seals, and the inner side walls of the clamping block are provided with fireproof smoke strips. In the closed state, the fireproof smoke strips are distributed between the seals, and the seals and the fireproof smoke strips are both made of EPDM material.

[0020] The provision of the fireproof smoke strip and the seal increases the sealing of the connection between the clamping block and the clamping groove, and improves the safety of use. The fireproof smoke strip and the seal are both made of EPDM material, which further improves the fire and smoke prevention effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the adjustable hinge of the utility model from the front view;

[0023] Figure 3 It is a structural schematic diagram of the adjustable hinge of the utility model from the back side perspective;

[0024] Figure 4 This is a cross-sectional view of the left sash plate of the utility model in an open state;

[0025] Figure 5 This is a cross-sectional view of the right fan plate of the utility model in an open state. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-5 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:

[0027] Example 1

[0028] like Figure 1-Figure 5 As shown, a double-opening door with an adjustable concealed hinge includes a door frame 1 and a door leaf 2, and also includes an adjustable hinge 3 and a fastener 4. One side of the adjustable hinge 3 is arranged on the door frame 1, and the other side of the adjustable hinge 3 is arranged on the door leaf 2. The adjustable hinge 3 is provided with a strip hole 5, and the strip hole 5 extends along the height direction of the adjustable hinge 3. The adjustable hinge 3 is provided with a plurality of adjustment holes 6, and the adjustment holes 6 are distributed along the length direction of the adjustable hinge 3. The strip hole 5 and the adjustment hole 6 are located in different planes; the fastener 4 respectively passes through the strip hole 5 and one of the adjustment holes 6 and is screwed on the door frame 1 and the door leaf 2.

[0029] Preferably, two groups of the strip holes 5 are provided, and the strip holes 5 are distributed along the height direction of the adjustable hinge 3 , and the number of the strip holes 5 in each group is at least one.

[0030] Preferably, the adjustable hinge 3 includes a first body 31, a second body 32, a first connecting member 33, a second connecting member 34 and a rotating shaft 35, the two ends of the first connecting member 33 are rotatably connected to the first body 31 and the second body 32 respectively, one end of the second connecting member 34 is rotatably connected to the second body 32, the rotating shaft 35 is penetrated by the second connecting member 34 and the two ends of the rotating shaft 35 are arranged on the first connecting member 33; the first body 31 and the second body 32 are respectively provided with a first accommodating groove 311 and a second accommodating groove 321, an unfolded state and a closed state are formed between the first body 31, the second body 32, the first connecting member 33, the second connecting member 34 and the rotating shaft 35, in the closed state, the first body 31 and the second body 32 are in contact with each other and the first accommodating groove 311 and the second accommodating groove 321 are opposite, the first connecting member 33 and the second connecting member 34 are respectively transferred into the first accommodating groove 311 and the second accommodating groove 321.

[0031] Preferably, the adjustment holes 6 are arranged on the first body 31 and the second body 32 , and there are two groups of the adjustment holes 6 , each group of the adjustment holes 6 is provided with a plurality of adjustment holes 6 , and the adjustment holes 6 are distributed along the height direction of the adjustable hinge 3 .

[0032] Preferably, the adjustable hinge 3 is made of stainless steel.

[0033] Preferably, the door leaf 2 includes a left leaf plate 21 and a right leaf plate 22, the left leaf plate 21 is provided with a snap-in groove 211 at the side end facing the right leaf plate 22, and the right leaf plate 22 is provided with a snap-in block 221 at the side end facing the left leaf plate 21, and the snap-in block 221 is adapted to the shape of the snap-in groove 211; in the closed state, the left leaf plate 21, the right leaf plate 22 and the door frame 1 are in the same plane, and the snap-in block 221 is inserted into the snap-in groove 211.

[0034] Preferably, a seal 7 is provided on the inner side wall of the clamping block 221 and the clamping groove 211, and a fireproof smoke strip 8 is provided on the inner side wall of the clamping block 221. In a closed state, the fireproof smoke strip 8 is distributed between the seals 7, and the seals 7 and the fireproof smoke strip 8 are both made of EPDM material.

[0035] Specifically, Figure 1 As shown, the door lock also includes a door lock and a movable stop bar, which is distributed on the upper and lower sides of the door frame 1. The stop bar is slid to make the upper end of the stop bar close to the door leaf 2, thereby completing the limit of the rotation direction and range of the door leaf 2, which is convenient for users. The door lock body is installed on the right leaf plate 22, and the lock tongue on the door lock is movably inserted into the left leaf plate 21.

[0036] More specifically, an installation cavity is provided on the inner side wall of the door frame 1 opposite to the door leaf 2, and the first body 31 and the second body 32 are installed in the installation cavity. In the embodiment of the present application, the number of each group of strip holes 5 is two, and the strip holes 5 are distributed on the second body 32. The number of each group of adjustment holes 6 is three, one adjustment hole in each group is distributed on the first body 31, and the other two adjustment holes 6 are distributed on the second body 32, and the length direction of the adjustment holes 6 is distributed along the length direction of the adjustable hinge 3.

[0037] When the adjustable hinge 3 is installed on the door frame 1 and the door leaf 2, the fastener 4 is inserted into the strip hole 5 on the left or the strip hole 5 on the right according to the left-right gap between the door frame 1 and the door leaf 2, and the position of the fastener 4 inserted into the strip hole 5 is adjusted to adjust the installation position of the adjustable hinge 3 in the height direction. The installation position of the adjustable hinge 3 in the length direction is adjusted by adjusting the position of the fastener 4 inserted into the adjustment hole 6, so that it can be adapted to the assembly of armored doors with a large gap between the door frame 1 and the door leaf 2, thereby facilitating production.

[0038] like Figure 5 As shown, the snap-in groove 211 is L-shaped, the snap-in block 221 is adapted to the shape of the snap-in groove 211, and a convex strip is provided on the side of the seal 7 away from the snap-in groove 211 and the inner side wall of the snap-in block 221, thereby improving the tightness when the left fan plate 21 and the right fan plate 22 are combined.

[0039] In short, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. A double door with adjustable concealed hinges, comprising a door frame (1) and a door leaf (2), characterized in that: The invention also comprises an adjustable hinge (3) and a fastener (4); one side of the adjustable hinge (3) is arranged on the door frame (1), and the other side of the adjustable hinge (3) is arranged on the door leaf (2); a strip hole (5) is provided on the adjustable hinge (3), and the strip hole (5) extends along the height direction of the adjustable hinge (3); a plurality of adjustment holes (6) are provided on the adjustable hinge (3), and the adjustment holes (6) are distributed along the length direction of the adjustable hinge (3); the strip hole (5) and the adjustment hole (6) are located in different planes; the fastener (4) respectively passes through the strip hole (5) and one of the adjustment holes (6) and is screwed on the door frame (1) and the door leaf (2).

2. A double door with adjustable concealed hinges according to claim 1, characterized in that: The strip-shaped holes (5) are provided in two groups, and the strip-shaped holes (5) are distributed along the height direction of the adjustable hinge (3), and the number of the strip-shaped holes (5) in each group is at least one.

3. A double door with adjustable concealed hinges according to claim 1, characterized in that: The adjustable hinge (3) comprises a first body (31), a second body (32), a first connecting member (33), a second connecting member (34) and a rotating shaft (35); two ends of the first connecting member (33) are respectively rotatably connected to the first body (31) and the second body (32); one end of the second connecting member (34) is rotatably connected to the second body (32); the rotating shaft (35) is passed through the second connecting member (34) and the two ends of the rotating shaft (35) are arranged on the first connecting member (33); the first body (31) and the second body (32) are respectively rotatably connected to the first body (31) and the second body (32); A first accommodating groove (311) and a second accommodating groove (321) are separately provided. An unfolded state and a closed state are formed between the first body (31), the second body (32), the first connecting member (33), the second connecting member (34) and the rotating shaft (35). In the closed state, the surfaces of the first body (31) and the second body (32) are in contact with each other and the first accommodating groove (311) and the second accommodating groove (321) are opposite to each other. The first connecting member (33) and the second connecting member (34) are respectively rotated into the first accommodating groove (311) and the second accommodating groove (321).

4. A double door with adjustable concealed hinges according to claim 3, characterized in that: The adjustment holes (6) are arranged on the first body (31) and the second body (32), and two groups of the adjustment holes (6) are arranged, each group of the adjustment holes (6) is arranged with a plurality of adjustment holes, and the adjustment holes (6) are distributed along the height direction of the adjustable hinge (3).

5. A double door with adjustable concealed hinges according to claim 1, characterized in that: The adjustable hinge (3) is made of stainless steel.

6. A double door with adjustable concealed hinges according to claim 1, characterized in that: The door leaf (2) comprises a left leaf plate (21) and a right leaf plate (22); a clamping groove (211) is provided on the side end of the left leaf plate (21) facing the right leaf plate (22); a clamping block (221) is provided on the side end of the right leaf plate (22) facing the left leaf plate (21); the clamping block (221) is adapted in shape to the clamping groove (211); in a closed state, the left leaf plate (21), the right leaf plate (22) and the door frame (1) are in the same plane, and the clamping block (221) is inserted into the clamping groove (211).

7. A double door with adjustable concealed hinges according to claim 6, characterized in that: The inner side walls of the clamping block (221) and the clamping groove (211) are both provided with sealing members (7), and the inner side walls of the clamping block (221) are provided with fireproof smoke strips (8). In a closed state, the fireproof smoke strips (8) are distributed between the sealing members (7), and the sealing members (7) and the fireproof smoke strips (8) are both made of EPDM material.

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