CN217631887U

CN217631887U - Door hinge and door device

Info

Publication number: CN217631887U
Application number: CN202220523478.2U
Authority: CN
Inventors: 邵亮亮; 李浩英; 廖晓亮; 邢映彪
Original assignee: Guangzhou Tongda Auto Electric Co Ltd
Current assignee: Guangzhou Tongda Auto Electric Co Ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-10-21
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to a hinge technical field specifically discloses a door hinge and door device. The utility model discloses a hinge includes first hinge of articulated and second hinge, and the both sides of first hinge are provided with the second hinge respectively, have seted up the mounting groove on the first hinge, have seted up the mounting hole on the second hinge, and mounting groove and mounting hole are used for fixed setting connection structure respectively and connect on the door body and door frame to reduce the rotation interference of first hinge and second hinge. The second hinges are respectively hinged to the two sides of the first hinge, so that stress concentration at the joint of the first hinge and the second hinge is reduced, the connecting strength and the structural strength of the door hinge are improved, and the service life is prolonged; the mounting groove on the first hinge can enlarge the mounting range of the first hinge and a door body or a door frame, can adjust the mounting position and reduce the mounting precision; the structure design of the first hinge and the second hinge can be simplified without adopting a concave-convex structure, and the design cost, the manufacturing cost and the production difficulty are reduced.

Description

Door hinge and door device

Technical Field

The application relates to the technical field of hinges, in particular to a door hinge and a door device.

Background

Most commonly used at present is two segmentation door hinges, and the upper leaf is fixed with the door body and door frame respectively with lower leaf, and "unsmooth" through upper leaf and lower leaf cooperatees articulatedly, realizes the articulated of door frame and the door body.

However, the matched rotation of the upper leaf and the lower leaf requires the processing of a notch, so that stress concentration exists, the upper leaf and the lower leaf are easy to break in the using process, and the strength of the door hinge is insufficient; in addition, the upper and lower leaves in the shape of concave and convex have complex shapes and great difficulty in production and processing.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a door hinge and door device, it can solve among the prior art problem that door hinge intensity is low, the shape is complicated and the production degree of difficulty is big.

In order to achieve the purpose, the following technical scheme is adopted in the application:

on the one hand, the utility model provides a door hinge, including first hinge of articulated and second hinge, the both sides of first hinge are provided with respectively the second hinge, the mounting groove has been seted up on the first hinge, has seted up the mounting hole on the second hinge, the mounting groove with the mounting hole is used for fixed connection structure that sets up respectively and connects on the door body and door frame, in order to reduce first hinge with the rotation of second hinge is interfered.

As a preferred scheme of the door hinge, a bearing structure is arranged between the first hinge and the second hinge, and the first hinge is hinged to the second hinge through the bearing structure.

As a preferred scheme of door hinge, bearing structure includes axle sleeve and axle center, first hinge with the second hinge is fixed respectively and is provided with the axle sleeve, the axle center set up in the axle sleeve and with axle sleeve rotatable coupling.

As a preferable scheme of the door hinge, the first hinge comprises a first shaft part and a first page part, and the first page part is arranged on the first shaft part in a bent mode; the second hinge comprises a second shaft part and a second hinge part, and the second hinge part is arranged on the second shaft part in a bending mode.

As a preferred scheme of the door hinge, the number of the mounting grooves is even, and the mounting grooves are symmetrically arranged on two sides of the first page part.

As a preferable scheme of the door hinge, the end part of the first page part is provided with a smooth transition structure.

As a preferred scheme of the door hinge, the mounting hole is formed in the middle of the second hinge part, and the circle center of the mounting hole is a symmetrical point of the second hinge.

As a preferable scheme of the door hinge, the length of the first page part is larger than that of the second page part.

On the other hand, the door device comprises a door body and the door hinge, wherein a first hinge or a second hinge of the door hinge is fixedly arranged on the door body through the connecting structure.

As a preferable mode of the door apparatus, the connection structure is any one of a rivet and a screw.

The beneficial effect of this application does:

through setting up articulated first hinge and second hinge, set up the mounting groove on first hinge, set up the mounting hole on the second hinge, can set up connection structure and respectively fixed the setting on the door body and door frame in mounting groove and mounting hole. Because the two sides of the first hinge are respectively provided with the second hinges and are hinged with the first hinge through the two second hinges, notches can be reduced when the first hinge and the second hinge are machined, stress concentration at the joint of the first hinge and the second hinge is reduced, the connecting strength and the structural strength of the door hinge are improved, and the service life is prolonged. Moreover, the installation range of the first hinge and the door body or the door frame can be enlarged by the installation groove in the first hinge, the installation position can be adjusted, the installation precision is reduced, and the consequence that the door body or the door frame cannot be closed when the second hinge is installed firstly and then the first hinge is installed is avoided. The structure design of the first hinge and the second hinge can be simplified without adopting a concave-convex structure, and the design cost, the manufacturing cost and the production difficulty are reduced.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

Fig. 1 is a schematic axial view of a door hinge according to an embodiment of the present disclosure.

Fig. 2 is a schematic front view of a door hinge according to another embodiment of the present application.

Fig. 3 is a left side view schematic structural diagram of a door hinge according to another embodiment of the present application.

Fig. 4 is a schematic partial side view of a gate device according to an embodiment of the disclosure.

In the figure:

1. door hinges; 11. a first hinge; 111. mounting grooves; 112. a first shaft portion; 113. a first page portion; 114. a smooth transition structure;

12. a second hinge; 121. mounting holes; 122. a second shaft portion; 123. a second page portion;

13. a bearing structure; 131. a shaft sleeve; 132. an axis; 2. a door body; 3. and (5) a connecting structure.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present application clearer, the following describes technical solutions of embodiments of the present application in further detail, and it is obvious that the described embodiments are only a part of embodiments of the present application, but not all 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 application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and fig. 4, the present embodiment provides a door hinge 1, which includes a first hinge 11 and a second hinge 12 that are hinged to each other, wherein the second hinge 12 is respectively disposed on two sides of the first hinge 11, a mounting groove 111 is disposed on the first hinge 11, a mounting hole 121 is disposed on the second hinge 12, and the mounting groove 111 and the mounting hole 121 are respectively used for fixedly disposing a connecting structure 3 to connect to a door body 2 and a door frame, so as to reduce rotational interference between the first hinge 11 and the second hinge 12.

By arranging the first hinge 11 and the second hinge 12 which are hinged, the first hinge 11 is provided with the mounting groove 111, the second hinge 12 is provided with the mounting hole 121, and the connecting structure 3 can be arranged in the mounting groove 111 and the mounting hole 121 and respectively fixedly arranged on the door body 2 and the door frame. Because the two sides of the first hinge 11 are respectively provided with the second hinges 12, the two second hinges 12 are hinged with the first hinge 11, so that the rotating interference of the first hinge 11 and the second hinge 12 can be reduced, the stress concentration at the joint of the first hinge 11 and the second hinge 12 is reduced, the connecting strength and the structural strength of the door hinge 1 are improved, and the service life is prolonged.

Moreover, the installation range of the first hinge 11 and the door body 2 or the door frame can be enlarged by the installation groove 111 on the first hinge 11, the installation position can be adjusted, the installation precision is reduced, and the consequence that the door body 2 or the door frame cannot be closed when the second hinge 12 is installed firstly and then the first hinge 11 is installed is avoided. Because the concave-convex structure is not adopted, the structural design of the first hinge 11 and the second hinge 12 can be simplified, and the design cost, the manufacturing cost and the production difficulty are reduced.

Preferably, referring to fig. 1, a bearing structure 13 is disposed between the first hinge 11 and the second hinge 12, and the first hinge 11 and the second hinge 12 are hinged by the bearing structure 13, so that the first hinge 11 and the second hinge 12 can be rotatably connected.

Specifically, with continued reference to fig. 1, the bearing structure 13 includes a shaft sleeve 131 and a shaft center 132, the shaft sleeve 131 is fixedly disposed on each of the first hinge 11 and the second hinge 12, and the shaft center 132 is disposed in the shaft sleeve 131 and rotatably connected to the shaft sleeve 131, so that the first hinge 11 and the second hinge 12 can be rotatably connected through the shaft center 132 between the two shaft sleeves 131.

Regarding the specific structure of the first hinge 11 and the second hinge 12, optionally, referring to fig. 1 and 2, the first hinge 11 includes a first shaft portion 112 and a first leaf portion 113, and the first leaf portion 113 is bent and disposed on the first shaft portion 112, so that interference with the first shaft portion 112 when the first hinge 11 is mounted on the door body 2 or the door frame can be avoided, and the first hinge 11 is kept flat with the door body 2 or the door frame after being mounted on the door body 2 or the door frame.

Similarly, the second hinge 12 includes a second shaft portion 122 and a second hinge portion 123, and the second hinge portion 123 is bent and disposed on the second shaft portion 122, so that the surface of the mounted second hinge 12 can be kept flat with the door body 2 or the door frame, and the connection strength is improved.

Further, referring to fig. 2, the number of the mounting grooves 111 is even, the mounting grooves 111 are symmetrically arranged on two sides of the first hinge 113, so that the connection structure 3 can be conveniently mounted on the first hinge 11 without distinguishing left and right, and only the first hinge 11 and the second hinge 12 need to be ensured to be in a unified bending direction, so that the mounting efficiency is improved.

Further, referring to fig. 1 and 2, the end of the first hinge 113 is provided with a rounding structure 114, and when the first hinge 11 rotates relative to the second hinge 12, the rounding structure 114 can reduce interference between the first hinge 11 and the second hinge 12, so that the first hinge 11 can rotate freely relative to the second hinge 12.

Still further, referring to fig. 1, the mounting hole 121 is disposed in the middle of the second hinge portion 123, and the center of the circle of the mounting hole 121 is a symmetric point of the second hinge 12, so that when the second hinge 12 is rotatably connected to the first hinge 11, the left and right sequences do not need to be distinguished, and it is only necessary to ensure that the first hinge 11 and the second hinge 12 are in a unified bending direction, which speeds up the mounting efficiency.

In particular, referring to FIG. 3, the length of the first page portion 113 is greater than the length of the second page portion 123 such that the attachment mechanisms on the first page portion 113 are spaced from the attachment mechanisms 3 on the second page portion 123.

As shown in fig. 4, the present application further provides a door apparatus, which includes a door body 2, a connection structure 3, and the door hinge 1 according to any of the above embodiments, wherein the first hinge 11 or the second hinge 12 of the door hinge 1 is fixedly disposed on the door body 2 through the connection structure 3. The door hinge 1 in this embodiment may have the same structure and achieve the same effect as the door hinge 1 in the above embodiments, and details are not described in this embodiment.

Preferably, the connecting structure 3 is any one of a rivet and a screw, which facilitates the fixed connection of the door hinge 1 with the door body 2 or the door frame.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, a person skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of protection of the present application.

Claims

1. The utility model provides a door hinge (1), its characterized in that, includes first hinge (11) of articulated and second hinge (12), the both sides of first hinge (11) are provided with respectively second hinge (12), mounting groove (111) have been seted up on first hinge (11), mounting hole (121) have been seted up on second hinge (12), mounting groove (111) with mounting hole (121) are used for fixed connection structure (3) that set up respectively and connect on the door body (2) and door frame, in order to reduce first hinge (11) with the rotation of second hinge (12) is interfered.

2. A door hinge (1) according to claim 1, characterized in that a bearing structure (13) is arranged between the first hinge (11) and the second hinge (12), and the first hinge (11) and the second hinge (12) are hinged through the bearing structure (13).

3. A door hinge (1) according to claim 2, wherein the bearing structure (13) comprises a shaft sleeve (131) and a shaft center (132), the shaft sleeve (131) is fixedly arranged on each of the first hinge (11) and the second hinge (12), and the shaft center (132) is arranged in the shaft sleeve (131) and rotatably connected with the shaft sleeve (131).

4. A door hinge (1) according to claim 1, wherein the first hinge (11) comprises a first shaft part (112) and a first leaf part (113), and the first leaf part (113) is arranged at the first shaft part (112) in a bending way; the second hinge (12) comprises a second shaft part (122) and a second page part (123), and the second page part (123) is arranged on the second shaft part (122) in a bent mode.

5. A door hinge (1) according to claim 4, wherein the number of the mounting grooves (111) is even, and the mounting grooves (111) are symmetrically arranged at two sides of the first page part (113).

6. A door hinge (1) according to claim 4, wherein the end of the first leaf (113) is provided with a rounded transition structure (114).

7. A door hinge (1) according to claim 4, characterized in that the mounting hole (121) is arranged in the middle of the second hinge part (123), and the circle center of the mounting hole (121) is the symmetry point of the second hinge (12).

8. A door hinge (1) according to claim 4, wherein the length of the first leaf (113) is greater than the length of the second leaf (123).

9. A door device, characterized by comprising a door body (2), a connecting structure (3) and the door hinge (1) as claimed in any one of claims 1 to 8, wherein the first hinge (11) or the second hinge (12) of the door hinge (1) is fixedly arranged on the door body (2) through the connecting structure (3).

10. Door arrangement according to claim 9, characterized in that the connection structure (3) is any of a rivet and a screw.