Door and window lower hinge structure

Abstract

The utility model provides a door and window lower hinge structure, which relates to the technical field of doors and windows, and comprises a hinge assembly, the hinge assembly comprises a bottom plate, one side surface of the bottom plate is hinged with a pull plate through a pin shaft, one side surface of the pull plate is hinged with a support plate through a pin shaft, and the inner wall of the support plate is in sliding connection with an extension plate. A limiting piece is installed on one side face of the extending plate, a clamping plate is hinged to one side face of the bottom plate through a pin shaft, and a middle plate is hinged to one side face of the clamping plate through a pin shaft. According to the door and window lower hinge structure, the bottom plate is hinged to the pull plate, the pull plate is hinged to the supporting plate, and the extension plate is slidably connected with the supporting plate, so that a door and window can be conveniently mounted on the equipment, and the door and window can be conveniently fixed by matching the hinge of the clamping plate and the middle plate, the hinge of the middle plate and the upper plate, and the use of the vertical plate and the mounting seat; in addition, the device can be conveniently damped and limited, the safety of doors and windows is improved, and the probability of danger is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a door and window lower hinge structure and belongs to the technical field of doors and windows. BACKGROUND

[0002] Doors and windows are entrances of buildings and are used for separating indoor and outdoor spaces and for ventilation, lighting and other functions. Doors and windows are usually composed of door leaves, window leaves, window frames, hardware and the like. The types and materials of doors and windows vary according to different requirements and purposes.

[0003] At present, doors and windows have high functions as a kind of ventilation and decoration of buildings. The existing doors and windows are usually moved by a sliding way when installed with window frames. This installation way makes the doors and windows easily opened at will in the later period, which greatly reduces the safety of personnel. Therefore, the door and window lower hinge structure is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a door and window lower hinge structure to solve the above problems, and the specific technical scheme is as follows:

[0005] A door and window lower hinge structure comprises a hinge assembly, the hinge assembly comprises a bottom plate, one side of the bottom plate is hingedly connected with a pull plate through a pin shaft, one side of the pull plate is hingedly connected with a supporting plate through a pin shaft, the inner wall of the supporting plate is slidably connected with an extension plate, one side of the extension plate is provided with a limiting piece, one side of the bottom plate is hingedly connected with a clamping plate through a pin shaft, one side of the clamping plate is hingedly connected with a middle plate through a pin shaft, one side of the middle plate is hingedly connected with an upper plate through a pin shaft, one side of the bottom plate is connected with a vertical plate, and one side of the vertical plate is provided with a mounting seat.

[0006] Preferably, one side of the extension plate is connected with a limiting block, and one side of the clamping plate is hingedly connected with one side of the middle plate through a pin shaft.

[0007] Preferably, one side of the extension plate is provided with a positioning groove, and one side of the middle plate is hingedly connected with one side of the bottom plate through a pin shaft.

[0008] Preferably, one side of the bottom plate is provided with a connecting groove, and the bottom plate is connected with a bottom block.

[0009] Preferably, one side of the extension plate is connected with a positioning plate, and one side of the supporting plate is hingedly connected with one side of the bottom plate through a pin shaft.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The door and window lower hinge structure is hinged with the bottom plate and the pull plate, the pull plate is hinged with the supporting plate, the extension plate is slidably connected with the supporting plate, the limiting piece is used, the door and window can be conveniently installed with the equipment, the clamping plate is hinged with the middle plate, the middle plate is hinged with the upper plate, the vertical plate and the mounting seat are used, the door and window can be conveniently fixed, the equipment can be conveniently damped and limited, the safety of the door and window is improved, and the probability of danger is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0013] Figure 2 It is a bottom plate of the utility model;

[0014] Figure 3 It is a bottom plate of the utility model;

[0015] Figure 4 It is a bottom plate of the utility model.

[0016] BRIEF DESCRIPTION OF DRAWINGS: 1, hinge assembly; 101, bottom plate; 102, pull plate; 103, supporting plate; 104, extension plate; 105, limiting piece; 106, clamping plate; 107, middle plate; 108, upper plate; 109, vertical plate; 110, mounting seat; 2, fixed groove; 3, limiting block; 4, fixed plate; 5, bottom block; 6, connecting groove. DETAILED DESCRIPTION

[0017] In the description of the utility model, it needs to be explained that, unless there is explicit provision and limitation, the terms "installation", "connection", "connection" should be broad sense, for example, it can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0019] Please refer to Figures 1-4The utility model discloses a door and window lower hinge structure, including hinge assembly 1, hinge assembly 1 includes bottom plate 101, the side of bottom plate 101 is hinged with pull plate 102 through pin shaft, the side of pull plate 102 is hinged with support plate 103 through pin shaft, the inner wall sliding connection of support plate 103 has extension plate 104, the side of extension plate 104 is installed with limit piece 105, the side of bottom plate 101 is hinged with clamping plate 106 through pin shaft, the side of clamping plate 106 is hinged with middle plate 107 through pin shaft, the side of middle plate 107 is hinged with upper plate 108 through pin shaft, the side of bottom plate 101 is connected with vertical plate 109, and the side of vertical plate 109 is installed with mounting seat 110, and through the hinge of bottom plate 101 and pull plate 102, pull plate 102 and support plate 103 are hinged, and extension plate 104 and support plate 103 are slidingly connected, and the use of limit piece 105 can conveniently install door and window with the equipment, and cooperate with the hinge of clamping plate 106 and middle plate 107, the hinge of middle plate 107 and upper plate 108, the use of vertical plate 109 and mounting seat 110 can conveniently fix door and window, and it can conveniently damp and limit the equipment, which improves the safety of door and window and reduces the probability of danger.

[0020] The side of extension plate 104 is connected with limit block 3, the side of clamping plate 106 is hinged with the side of middle plate 107 through pin shaft, and the stability of extension plate 104 can be improved by using limit block 3, and the side of extension plate 104 is provided with fixed groove 2, and the side of middle plate 107 is hinged with the side of bottom plate 101 through pin shaft, and door and window can be conveniently fixed by using fixed groove 2.

[0021] The side of bottom plate 101 is provided with connecting groove 6, and bottom block 5 is connected with the side of bottom plate 101, and the edges of door and window can be conveniently installed by using connecting groove 6 and bottom block 5, and the bottom plate 101 can be protected, and the side of extension plate 104 is connected with fixed plate 4, and the side of support plate 103 is hinged with the side of bottom plate 101 through pin shaft, and the supporting force of support plate 103 can be increased by using fixed plate 4.

[0022] The working principle of the utility model is:

[0023] In use, first, bottom plate 101 and pull plate 102 can conveniently stretch one side of door and window, and cooperate with support plate 103 and extension plate 104, can control the angle of door and window, and cooperate with clamping plate 106, middle plate 107 and upper plate 108, can damp, and vertical plate 109 and mounting seat 110 can fix door and window, and the above is the whole use process of the utility model.

[0024] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the spirit or essential characteristics of the application. Consequently, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than that of the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the features they indicate.

[0025] Furthermore, it should be understood that although the description is made on embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and a person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments which can be understood by a person skilled in the art.

[0026] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application, and cannot be interpreted in any way as a limitation on the scope of protection of the present application. Based on the explanations here, a person skilled in the art does not need to make creative efforts to think of other specific embodiments of the present application, and these embodiments will fall within the scope of protection of the claims of the present application.

Claims

1. A hinge structure for doors and windows, comprising a hinge assembly (1), characterized in that: The hinge assembly (1) includes a base plate (101), a pull plate (102) is hinged to one side of the base plate (101) by a pin, a support plate (103) is hinged to one side of the pull plate (102) by a pin, an extension plate (104) is slidably connected to the inner wall of the support plate (103), a limiter (105) is installed on one side of the extension plate (104), a locking plate (106) is hinged to one side of the base plate (101) by a pin, a middle plate (107) is hinged to one side of the locking plate (106) by a pin, an upper plate (108) is hinged to one side of the middle plate (107) by a pin, a vertical plate (109) is connected to one side of the base plate (101), and a mounting base (110) is installed on one side of the vertical plate (109).

2. The door and window lower hinge structure according to claim 1, characterized in that: One side of the extension plate (104) is connected to a limiting block (3), and one side of the clamping plate (106) is hinged to one side of the middle plate (107) via a pin.

3. The door and window lower hinge structure according to claim 1, characterized in that: The extension plate (104) has a fixed groove (2) on one side, and the middle plate (107) is hinged to the bottom plate (101) on one side by a pin.

4. The door and window lower hinge structure according to claim 1, characterized in that: A connecting groove (6) is provided on one side of the base plate (101), and a bottom block (5) is connected to one side of the base plate (101).

5. The door and window lower hinge structure according to claim 1, characterized in that: One side of the extension plate (104) is connected to the fixed plate (4), and one side of the support plate (103) is hinged to one side of the base plate (101) by a pin.

Images