Primary-secondary hinge facilitating installation of door leaf

Abstract

The utility model relates to the technical field of hinges, in particular to a primary and secondary hinge convenient for installing a door leaf, which comprises a hinged shaft, a primary leaf connected on the hinged shaft and a secondary leaf rotationally assembled on the hinged shaft, a first positioning step is arranged on the right side surface of the primary leaf, and a second positioning step is arranged on the right side surface of the secondary leaf. A first right-angle groove used for fixing the primary leaf to the door pocket plate is formed between the first positioning step and the right side face of the primary leaf, a rotating hole used for allowing the secondary leaf to rotate is formed in the primary leaf, a second positioning step is arranged on the left side face of the secondary leaf, and a second right-angle groove used for installing the door leaf is formed between the second positioning step and the left side face of the secondary leaf. When the primary-secondary hinge facilitating installation of the door leaf is used, it is guaranteed that the door leaf rotates around the axes of the hinge shafts when rotating, all the hinge shafts are coaxially arranged, and the accidents that the primary-secondary hinge is seriously abraded due to eccentricity, and the service life is shortened are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, especially a kind of child-mother hinge facilitating installation door leaf. BACKGROUND

[0002] Hinge is a kind of device for connection or rotation, currently, door leaf is usually hinged together using hinge when installing with door sleeve plate, to facilitate the rotation of door leaf, in turn facilitate opening and closing, door leaf and door sleeve plate installation are especially used more with child-mother hinge, the child-mother hinge of prior art is usually hinged on a hinging shaft when using, then the mother fan is installed on door sleeve plate, and the door leaf is installed on the child fan.

[0003] But this child-mother hinge when using, usually need to install multiple child-mother hinges on a door leaf, and construction personnel is usually installed according to experience and measurement mode, cannot guarantee that the hinging shaft of multiple child-mother hinges is in the state of coaxial arrangement, when each hinging shaft is decentered, it is easy to make child-mother hinge eccentric wear seriously, there is abnormal sound after long use, and life is reduced. CONTENT OF UTILITY MODEL

[0004] The utility model provides a kind of child-mother hinge facilitating installation door leaf to solve the technical problem that existing child-mother hinge is easily affected by eccentric wear and reduces life when using.

[0005] To solve the above problems, the child-mother hinge facilitating installation door leaf provided by the utility model adopts the following technical scheme:

[0006] A kind of child-mother hinge facilitating installation door leaf, including hinging shaft, mother fan connected on hinging shaft and child fan rotationally assembled on hinging shaft, it is characterized in that, define the axial direction of hinging shaft as front-back direction, first positioning step is equipped on the right side surface of mother fan, first positioning step and the right side surface of mother fan form first right-angle groove for fixing mother fan on door sleeve plate between first positioning step and the right side surface of mother fan, rotating hole is opened on mother fan for the rotation of child fan, second positioning step is opened on the left side surface of child fan, second positioning step and the left side surface of child fan form second right-angle groove for installing door leaf between second positioning step and the left side surface of child fan.

[0007] The beneficial effect is that: the child-mother hinge convenient for installing door leaves of the utility model in use, first, the first positioning step of one child-mother hinge is abutted at the proper position of the door pocket plate, and the door pocket plate is abutted in the first right-angle groove and the female leaf is fixed with the door pocket plate, then the door leaf is abutted in the second right-angle groove and is abutted together with the second positioning step, and the child leaf is fixed with the door leaf.The child-mother hinge convenient for installing door leaves of the utility model in use, since each child-mother hinge is positioned to the female leaf through the cooperation of the first right-angle groove and the door pocket plate, so that the hinge shafts of each child-mother hinge are in the coaxial state, then since the door leaf and the child leaf are also positioned and installed through the second right-angle groove and the second positioning step, so that the door leaf can be in the vertical state, and then the door leaf is rotated around the axis of the hinge shaft in rotation, and each hinge shaft is coaxially arranged, avoiding the serious eccentric wear of the child-mother hinge, reducing the life accidents.

[0008] Further, two rotating holes are formed in the female leaf, and a child leaf is rotatably assembled in each rotating hole.

[0009] Beneficial effect: improve the stability of the door leaf when installed on the child-mother hinge.

[0010] Further, three connection sleeves are arranged on the female leaf in the front-back direction, the three connection sleeves are sleeved on the hinge shaft and are fixedly connected with the hinge shaft, a hinge sleeve is arranged on the child leaf, the length of the hinge sleeve in the front direction is matched with the distance between any two adjacent connection sleeves, and the hinge sleeve is hingedly connected between the hinge shaft of the corresponding two connection sleeves.

[0011] Beneficial effect: simple structure, convenient installation and manufacturing.

[0012] Further, a first mounting hole for fixing the female leaf on the door pocket plate is formed in the female leaf, and a second mounting hole for connecting the child leaf and the door leaf is formed in the child leaf.

[0013] Beneficial effect: convenient for fixing the female leaf and the child leaf.

[0014] Further, two first mounting holes are arranged on the part corresponding to each connection sleeve in the left-right direction on the female leaf, the corresponding first mounting holes of the connection sleeves are arranged in the left-right direction, a protrusion protruding to the left is arranged at the right end of the rotating hole, and a first mounting hole is arranged on the protruding part of the rotating hole.

[0015] Beneficial effect: the structure is beautiful, the ornamental value is improved, the distribution is reasonable, and the stability of the female leaf and the child leaf during fixing is improved.

[0016] Further, a groove matched with the protrusion is arranged on the child leaf, three second mounting holes are formed in the child leaf, and the three second mounting holes are distributed in a triangular shape.

[0017] Beneficial effects: beautiful structure, improve ornamental.

[0018] Further, the thickness of the child fan and the parent fan in the left-right direction is the same. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and other objects, features and advantages of the present application exemplary embodiments will be readily understood through reading the detailed description that follows, taken in conjunction with the accompanying drawings. In the drawings, several embodiments of the present application are illustrated by way of example and not limitation, in which like reference numerals indicate like or corresponding parts, wherein:

[0020] Figure 1 Structure diagram of the child-mother hinge for facilitating installation of door fan of the present application;

[0021] Figure 2 Top view of the child-mother hinge for facilitating installation of door fan of the present application;

[0022] Figure 3 Front view of the child-mother hinge for facilitating installation of door fan of the present application;

[0023] Figure 4 Usage diagram of the child-mother hinge for facilitating installation of door fan of the present application;

[0024] Figure 5 For Figure 4 Enlarged diagram of A in the figure;

[0025] Figure 6 Sectional view of the child-mother hinge for facilitating installation of door fan of the present application in use;

[0026] Figure 7 For Figure 6 Enlarged diagram of B in the figure.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, hinge shaft; 2, parent fan; 3, child fan; 4, first positioning step; 5, first right-angle groove; 6, second positioning step; 7, second right-angle groove; 8, rotating hole; 9, connecting sleeve; 10, hinge sleeve; 11, first mounting hole; 12, second mounting hole; 13, protrusion; 14, groove; 15, door fan; 16, door sleeve plate. DETAILED DESCRIPTION

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0030] The number of any elements in the accompanying drawings is for illustrative purposes only and not as a limitation, and any naming is for distinction only and has no limiting meaning.

[0031] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0032] Embodiment 1 of a door hinge that facilitates the installation of door panels provided by this utility model:

[0033] like Figures 1 to 7 As shown, a door leaf 15 easy-to-install hinge according to this utility model includes a hinge shaft 1, a female leaf 2, and a male leaf 3. The axial direction of the hinge shaft 1 is defined as the front-to-back direction.

[0034] like Figure 1 and Figure 3 As shown, the left side of the mother fan 2 is connected to three connecting sleeves 9 arranged at intervals along the front-back direction. All three connecting sleeves 9 are sleeved on the hinge shaft 1 and fixedly connected to the hinge shaft 1.

[0035] like Figure 1 and Figure 2 As shown, a first positioning step 4 is provided on the right side of the mother fan 2, and a first right-angle groove 5 is formed between the first positioning step 4 and the right side of the mother fan 2 for fixing the mother fan 2 to the door frame 16.

[0036] like Figure 3 As shown, the mother fan 2 also has two rotating holes 8, and the gap between the rotating holes 8 and any two adjacent connecting sleeves 9 is set accordingly. The mother fan 2 has multiple first mounting holes 11, and each connecting sleeve 9 has two first mounting holes 11 on the part corresponding to it in the left and right direction. The first mounting holes 11 corresponding to each connecting sleeve 9 are arranged at intervals in the left and right direction. The right end of the rotating hole 8 has a protrusion 13 protruding to the left, and a first mounting hole 11 is provided on the protrusion 13 of the rotating hole 8.

[0037] like Figure 1 , Figure 2 and Figure 3As shown in the drawings, two sub-fans 3 are provided and correspond to two rotating holes 8, each sub-fan 3 is integrally connected with a hinged sleeve 10 matched with the hinge shaft 1, the length of the hinged sleeve 10 in the front direction is matched with the distance between any two adjacent connecting sleeves 9, and the hinged sleeve 10 is hinged on the hinge shaft 1 between the corresponding two connecting sleeves 9.

[0038] As shown in the drawings, Figure 1 and Figure 2 As shown in the drawings, a second positioning step 6 is arranged on the left side of the sub-fan 3, and a second right-angle groove 7 for mounting the door leaf 15 is formed between the second positioning step 6 and the left side of the sub-fan 3.

[0039] As shown in the drawings, Figure 3 As shown in the drawings, a second mounting hole 12 for connecting the sub-fan 3 and the door leaf 15 is arranged on the sub-fan 3, a groove 14 matched with the protrusion 13 is arranged on the sub-fan 3, three second mounting holes 12 are arranged on the sub-fan 3, and the three second mounting holes 12 are arranged in a triangular shape.

[0040] The sub-mother hinge convenient for mounting the door leaf 15 is used, as shown in the drawings, Figure 4 , Figure 5 , Figure 6 and Figure 7 First, the first positioning step 4 of one sub-mother hinge is abutted against a suitable position of the door pocket plate 16, the door pocket plate 16 is abutted against the first right-angle groove 5, and the mother fan 2 is fixed with the door pocket plate 16 through the first mounting hole 11, then the door leaf 15 is abutted against the two second right-angle grooves 7 of the two sub-fans 3 and abutted against the second positioning step 6, and finally the sub-fan 3 and the door leaf 15 are fixed through the second mounting hole 12.

[0041] The sub-mother hinge convenient for mounting the door leaf 15 is used, and since each sub-mother hinge is positioned on the mother fan 2 through the first right-angle groove 5 and the door pocket plate 16, the hinge shaft 1 of each sub-mother hinge is in a coaxial state, then since the door leaf 15 and the sub-fan 3 are also positioned and mounted through the second right-angle groove 7 and the second positioning step 6, the door leaf 15 can be in a vertical state, and then the door leaf 15 rotates around the axis of the hinge shaft 1 during rotation, and each hinge shaft 1 is coaxially arranged, so that the sub-mother hinge is not seriously eccentrically worn and the service life is reduced.

[0042] The embodiment 2 of the sub-mother hinge convenient for mounting the door leaf provided by the utility model mainly differs from the embodiment 1 in that:

[0043] The embodiment 2 of the sub-mother hinge convenient for mounting the door leaf provided by the utility model mainly differs from the embodiment 1 in that:

[0044] In the embodiment 1, two rotating holes are formed on the mother fan, and one sub-fan is rotatably assembled in each rotating hole.

[0045] In the embodiment, more than three rotating holes are formed on the mother fan, and one sub-fan is rotatably assembled in each rotating hole.

[0046] The embodiment 3 of the mother and daughter hinge convenient for installing the door leaf provided by the utility model:

[0047] The difference between the embodiment 1 and the embodiment 3 mainly lies in that:

[0048] In the embodiment 1, the first mounting hole for fixing the mother fan on the door pocket plate is formed on the mother fan, and the second mounting hole for connecting the sub-fan and the door leaf is formed on the sub-fan.

[0049] In the embodiment, the mother fan and the door pocket plate are welded together, and the sub-fan and the door leaf are welded together.

[0050] The embodiment 4 of the mother and daughter hinge convenient for installing the door leaf provided by the utility model:

[0051] The difference between the embodiment 1 and the embodiment 4 mainly lies in that:

[0052] In the embodiment 1, the thickness of the sub-fan and the mother fan in the left-right direction is the same.

[0053] In the embodiment, the thickness of the sub-fan in the left-right direction is less than the thickness of the mother fan in the left-right direction, and when the sub-fan and the mother fan are parallel, the left side surface of the sub-fan coincides with the right side surface of the mother fan.

[0054] According to the above description of the present specification, those skilled in the art can also understand that the terms used, such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer", and the like, are indicative of the orientation or positional relationship based on the orientation or positional relationship shown in the drawings of the present specification, and are only for the purpose of facilitating the description of the scheme of the present utility model and simplifying the description, and do not explicitly or implicitly indicate or suggest that the devices or elements involved must have the specific orientation, be constructed and operated in the specific orientation, therefore, the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the scheme of the present utility model.

[0055] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed methods and technical contents without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent to the embodiments. Any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

[0056] In addition, in the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three or more, etc., unless otherwise explicitly and specifically limited.

Claims

1. A primary and secondary hinge facilitating installation of a door leaf, comprising a hinge shaft, a secondary leaf connected to the hinge shaft, and a primary leaf rotatably fitted to the hinge shaft, characterized in that, The axis direction of the hinge shaft is defined as the front-back direction, a first positioning step is arranged on the right side surface of the female sector, a first right-angle groove for fixing the female sector on the door pocket plate is formed between the first positioning step and the right side surface of the female sector, a rotating hole for rotating the male sector is arranged on the female sector, a second positioning step is arranged on the left side surface of the male sector, and a second right-angle groove for installing the door leaf is formed between the second positioning step and the left side surface of the male sector.

2. A child-mother hinge for facilitating installation of a door leaf according to claim 1, characterized in that Two rotating holes are arranged on the female sector, and one male sector is rotatably arranged in each rotating hole.

3. A child-mother hinge for facilitating installation of a door leaf according to claim 2, characterized in that Three connecting sleeves are arranged on the female sector in the front-back direction, the three connecting sleeves are sleeved on the hinge shaft and fixedly connected with the hinge shaft, one hinge sleeve is arranged on the male sector, the length of the hinge sleeve in the front direction is matched with the distance between any two adjacent connecting sleeves, and the hinge sleeve is hingedly connected between the hinge shaft of the corresponding two connecting sleeves.

4. A child-mother hinge for facilitating installation of a door leaf according to claim 3, characterized in that A first mounting hole for fixing the female sector on the door pocket plate is arranged on the female sector, and a second mounting hole for connecting the male sector and the door leaf is arranged on the male sector.

5. A child-mother hinge for facilitating installation of a door leaf according to claim 4, characterized in that Two first mounting holes are arranged on the part of the female sector corresponding to each connecting sleeve in the left-right direction, the corresponding first mounting holes of the connecting sleeves are arranged in the left-right direction, a protrusion protruding to the left is arranged at the right end of the rotating hole, and one first mounting hole is arranged on the protruding part of the rotating hole.

6. A child-mother hinge for facilitating installation of a door leaf according to claim 5, characterized in that A groove matched with the protrusion is arranged on the male sector, three second mounting holes are arranged on the male sector, and the three second mounting holes are distributed in a triangular shape.

7. A hinge according to any one of claims 1 to 6, wherein, The thickness of the male sector and the female sector in the left-right direction is the same.

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