High-load-bearing droop-free concealed hinge

Abstract

The utility model relates to a high-load-bearing non-drooping concealed hinge which comprises a hinge of a door leaf part, a hinge of a door frame part, a rotating shaft, a fixing piece, a wrapping bottom plate and a support seat. The concealed hinge has the advantages that a bridge type connection mode of an existing concealed hinge is structurally changed into a detachable connection mode, the hinge installed on the door leaf portion is arranged outside the door leaf, the hinge installed on the door frame portion is hidden in the door frame, and when the door leaf is closed, the hinge can be detached from the door frame. The hinges of the door leaf part are completely hidden in the hinges of the door frame part, so that the hidden hinges cannot be seen when the door leaf is in a closed state; the device is wear-resistant, silent, attractive, load-bearing, convenient to mount and high in damage resistance; and the hinge of the door frame part can rotate around the rotating shaft by more than or equal to 100 degrees, so that the door frame can be applied to certain application scenes needing larger opening angles.

Description

TECHNICAL FIELD

[0001] The utility model belongs to door leaf hinge technical field, especially relate to a high bearing capacity not drooping concealed hinge. BACKGROUND

[0002] The existing hinge is divided into two kinds of concealed type hinge and exposed type hinge.

[0003] The existing concealed type hinge is usually installed in the inside of the door panel, and the hinge cannot be seen from the outside, and only when the door leaf is in the open state, the concealed type hinge can be seen, so the concealed type hinge has high aesthetic degree, and the installation mode can also make the concealed type hinge have high damage resistance and not be easily damaged by external force.

[0004] 1) Due to the difference in installation mode and structure, compared with the exposed type hinge, the bearing capacity of the existing concealed type hinge is weak, and the existing concealed type hinge is prone to looseness or deformation after long-term use;

[0005] 2) The opening angle of most concealed type hinges is 90 degrees, so most concealed type hinges cannot be applied to some application scenarios which require larger opening angle due to the limited opening angle;

[0006] 3) The installation and disassembly of the existing concealed type hinge need to be carried out from the inside of the door panel, and the operation is relatively complex during installation;

[0007] 4) In addition, due to the complex design and manufacturing process of the concealed type hinge, the production cost of the existing concealed type hinge is usually higher than that of the exposed type hinge.

[0008] The existing exposed type hinge has strong bearing capacity and is not prone to looseness or deformation after long-term use; the opening angle of the exposed type hinge can reach more than 100 degrees, most exposed type hinges are detachable and convenient to install; the design principle of the exposed type hinge is simple, the process structure is simple, and the cost is low; however:

[0009] The existing exposed type hinge is usually installed on the outside of the door leaf, and the exposed type hinge can be directly seen whether the door leaf is opened or closed, which is not very beautiful; due to being installed on the outside of the door leaf, the existing exposed type hinge has poor damage resistance and is easily damaged. INVENTION CONTENTS

[0010] The utility model aims at overcoming the defects in the prior art, and provides a concealed hinge with high bearing capacity and without drooping.

[0011] The high-load-bearing and non-sagging concealed hinge comprises a door leaf part hinge, a door frame part hinge, a rotating shaft, a fixing member, a cladding bottom plate and a bracket seat. The door frame is internally provided with a receiving groove for the concealed hinge, the bracket seat is installed in the receiving groove, and the part of the bracket seat towards the inside of the receiving groove is provided with the cladding bottom plate. For the concealed hinge, each door frame part hinge is fixedly nested on the outside of the rotating shaft, the two ends of the rotating shaft are fixedly arranged on the bracket seat in each receiving groove in the inside of the door frame, the door frame part hinge can rotate by a set angle around the rotating shaft, and the door frame part hinge is completely located in the receiving groove. The door leaf part hinge comprises a first part and a second part which are perpendicular to each other, the first part of the door leaf part hinge extends into the receiving groove and is fixedly connected to the door frame part hinge through the fixing member. The door leaf is provided with a groove at a height corresponding to the door frame part hinge in the receiving groove on the side of the door leaf towards the opening direction, and the groove is fixedly provided with a reverse T-shaped plate. The second part of the door leaf part hinge is fixedly connected to the reverse T-shaped plate on the door leaf through the fixing member, so that the door leaf part hinge is installed outside the door leaf, the door frame part hinge is hidden in the inside of the door frame, and when the door leaf is closed, the door leaf part hinge is completely hidden in the inside of the door frame part hinge, so that the concealed hinge cannot be seen in the closed state of the door leaf.

[0012] Preferably, the door frame is internally provided with at least two receiving grooves for the concealed hinge, and each receiving groove is provided with a corresponding concealed hinge.

[0013] Preferably, the door frame part hinge can rotate by an angle greater than or equal to 100° around the rotating shaft, so that the opening angle of the door leaf is large and can be applied to some application scenarios which require a larger opening angle.

[0014] Preferably, the fixing member comprises a first fixing member and a second fixing member.

[0015] Preferably, a gasket is arranged between the contact part of the door leaf part hinge and the door frame part hinge, and the second fixing member passes through the door leaf part hinge and the door frame part hinge to fix the door leaf part hinge and the door frame part hinge in the receiving groove.

[0016] Preferably, the second part of the door leaf part hinge is fixedly connected to the reverse T-shaped plate on the door leaf through the first fixing member.

[0017] Preferably, the part of the rotating shaft which is not nested with the door frame part hinge is provided with a damping washer, and the damping washer plays a role of wear resistance and silence.

[0018] Preferably, a decorative panel is arranged on the side of the door leaf where the reverse T-shaped plate is located, and the decorative panel is fixedly connected to the reverse T-shaped plate through the second fixing member, which is beautiful, can increase the load-bearing capacity of the reverse T-shaped plate, is easy to install and has strong damage resistance.

[0019] Preferably, the second fixing member is a stainless steel countersunk head hexagonal screw, and the first fixing member is a stainless steel disc head hexagonal screw, which is beautiful and can strengthen the fixing effect.

[0020] The utility model discloses a beneficial effect is: the hinge of the utility model is concealed type hinge, compared with prior art concealed type hinge, the utility model changes the bridge type connection mode of prior art concealed hinge to detachable connection mode on the structure, the hinge of the door leaf part is in the outside of the door leaf, and the hinge of the door frame part is hidden in the inside of the door frame, when the door leaf is closed, the hinge of the door leaf part is completely hidden in the inside of the hinge of the door frame part, so the concealed hinge is invisible under the door leaf closed state, the hinge of the door frame part can rotate the angle greater than or equal to 100 DEG around the rotation axis, can be applied to some application scene that needs greater opening angle, the part of the rotation axis is not nested the hinge of the door frame part is provided with damping washer, and damping washer plays the role of wear -resisting silence, the decorative panel fixed connection reverse T type board, beautiful and can increase the bearing capacity of reverse T type board, convenient to install, strong anti -destructive, the fixed part includes stainless steel countersunk head hexagonal screw and stainless steel disc head hexagonal screw, which is beautiful and can strengthen the fixing effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is high bearing capacity not sagging concealed hinge main part's plan view cross section figure;

[0022] Fig. 2 It is high bearing capacity not sagging concealed hinge when installing plan view cross section figure;

[0023] Fig. 3 It is high bearing capacity not sagging concealed hinge reverse T type board's plan view cross section schematic view.

[0024] The figure mark explanation: the hinge of the door leaf part 1, the hinge of the door frame part 2, the door leaf 3, the cushion block 4, the damping washer 5, the cladding bottom plate 6, the support seat 7, the decorative panel 9, the first fixed part 10, the second fixed part 11, the reverse T type board 12. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with examples. The following examples are only used to help understand the utility model. It should be pointed out that for ordinary personnel in the technical field, on the premise of not departing from the principle of the utility model, the utility model can be modified, and these improvements and modifications also fall within the protection scope of the utility model claims.

[0026] As an embodiment, as shown in Figs. 1 to 3 A high bearing capacity not sagging concealed hinge, comprising: the hinge of the door leaf part 1, the hinge of the door frame part 2, the rotation axis 8, the fixed part, the cladding bottom plate 6 and the support seat 7;

[0027] Two accommodating grooves of hidden hinges are excavated in the door frame, and each accommodating groove is provided with a corresponding hidden hinge. A support seat 7 is installed in each accommodating groove, and the part of the support seat 7 towards the inside of the accommodating groove is provided with a cladding bottom plate 6. For the hidden hinge: the hinge 2 of the door frame part is fixedly nested on the outside of the rotating shaft 8, the two ends of the rotating shaft 8 are fixedly arranged on the support seat 7 in each accommodating groove inside the door frame, the hinge 2 of the door frame part can rotate more than 100° around the rotating shaft 8, and the hinge 2 of the door frame part is completely located in the accommodating groove; the contact part between the hinge 1 of the door leaf part and the hinge 2 of the door frame part is provided with a pad 4, the hinge 1 of the door leaf part includes a first part and a second part which are perpendicular to each other, the first part of the hinge 1 of the door leaf part extends into the accommodating groove and is fixedly connected to the hinge 2 of the door frame part through a second fixing member 11 (stainless steel countersunk head hexagonal screw); the door leaf 3 is provided with a groove at a height corresponding to the hinge 2 of the door frame part in the accommodating groove on the side of the opening direction, and a reverse T-shaped plate 12 is fixedly arranged in the groove; the second part of the hinge 1 of the door leaf part is fixedly connected to the reverse T-shaped plate 12 on the door leaf 3 through a first fixing member 10 (stainless steel disc head hexagonal screw), so that the hinge installed on the door leaf part is outside the door leaf, and the hinge installed on the door frame part is hidden inside the door frame. When the door leaf is closed, the hinge of the door leaf part is completely hidden inside the hinge of the door frame part, so that the hidden hinge cannot be seen in the closed state of the door leaf; the part of the rotating shaft 8 which is not nested with the hinge 2 of the door frame part is provided with a damping washer 5, and the damping washer plays a role of wear-resistant and silent; the part of the rotating shaft 8 which is not nested with the hinge 2 of the door frame part is provided with a damping washer 5, and the damping washer plays a role of wear-resistant and silent.

Claims

1. A high load non-sag concealed hinge, characterized in that, Comprise: Hinges (1) of the door leaf part, hinges (2) of the door frame part, rotating shaft (8), fixing member, covering bottom plate (6) and support seat (7); The door frame is provided with a receiving groove for the concealed hinge, the support seat (7) is arranged in the receiving groove, and the part of the support seat (7) towards the inside of the receiving groove is provided with a covering bottom plate (6); for the concealed hinge: each of the door frame part hinges (2) is fixedly nested on the outside of the rotating shaft (8), the two ends of the rotating shaft (8) are fixedly arranged on the support seat (7) in each receiving groove in the door frame, the door frame part hinge (2) can rotate by a set angle around the rotating shaft (8), and the door frame part hinge (2) is completely located in the receiving groove; the door leaf part hinge (1) comprises a first part and a second part which are perpendicular to each other, the first part of the door leaf part hinge (1) extends into the receiving groove and is fixedly connected with the door frame part hinge (2) through a fixing member; a recess is arranged on the door leaf (3) at a height corresponding to the door frame part hinge (2) in the receiving groove on the door leaf side in the opening direction, and a reverse T-shaped plate (12) is fixedly arranged in the recess; the second part of the door leaf part hinge (1) is fixedly connected with the reverse T-shaped plate (12) on the door leaf (3) through a fixing member.

2. The high load non-sag concealed hinge according to claim 1, wherein: The door frame is provided with at least two receiving grooves for the concealed hinge, and each receiving groove is provided with a corresponding concealed hinge.

3. The high load non-sag concealed hinge of claim 1, wherein: The set angle of the door frame part hinge (2) around the rotating shaft (8) is greater than or equal to 100°.

4. The high load non-sag concealed hinge of claim 2, wherein: The fixing member comprises a first fixing member (10) and a second fixing member (11).

5. The high load non-sag concealed hinge of claim 4, wherein: A gasket (4) is arranged between the contact part of the door leaf part hinge (1) and the door frame part hinge (2), and the second fixing member (11) passes through the door leaf part hinge (1) and the door frame part hinge (2) to fix the door leaf part hinge (1) and the door frame part hinge (2) in the receiving groove.

6. The high load non-sag concealed hinge of claim 5, wherein: The second part of the door leaf part hinge (1) is fixedly connected with the reverse T-shaped plate (12) on the door leaf (3) through the first fixing member (10).

7. The high load non-sag concealed hinge of claim 6, wherein: The part of the rotating shaft (8) which is not nested with the door frame part hinge (2) is provided with a damping washer (5).

8. The high load non-sag concealed hinge of claim 7, wherein: A decorative panel (9) is arranged on the door leaf side of the reverse T-shaped plate (12), and the decorative panel (9) is fixedly connected with the reverse T-shaped plate (12) through the second fixing member (11).

9. The high-duty non-sag mortise hinge according to any one of claims 4-8, characterized in that: The second fixing member (11) is a stainless steel countersunk head internal hexagonal screw, and the first fixing member (10) is a stainless steel disc head internal hexagonal screw.

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