CN215443622U

CN215443622U - Door hinge assembly

Info

Publication number: CN215443622U
Application number: CN202121750625.1U
Authority: CN
Inventors: 何召军; 何勇; 涂石养
Original assignee: Vertiv Tech Co Ltd
Current assignee: Vertiv Tech Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-07
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a door hinge assembly, comprising: the rotary shaft is provided with bosses at two ends; the fixing part is sleeved on the rotating shaft and provided with a fixing assembly hole; the rotating part is also sleeved on the rotating shaft and is provided with a rotating assembly hole; the pivot is worn to establish fixed equipment hole and rotatory equipment are downthehole, will fixed part and rotating part rotationally link together. The door hinge assembly of the utility model can rotatably connect the fixed part and the rotating part together through the rotating shaft and the bosses at the two ends of the rotating shaft, solves the quality problem caused by the looseness of the rotating shaft in the use process of the door hinge in the prior art, and has the characteristics of long mechanical service life and no blocking of the door panel in rotation.

Description

Door hinge assembly

Technical Field

The utility model belongs to the field of hinges, and particularly relates to a door hinge assembly.

Background

The door hinge is widely used on cabinets, cases and the like with rotary door plates, and the mechanical service life and the rotary quality of the door hinge can improve the quality and the experience effect of the cabinets and the cases to a great extent. Door hinges in the prior art are usually assembled together through structures such as clamp springs and pins, so that the rotating shaft is loosened in the using process, and quality problems caused by welding or spraying can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a door hinge assembly with long mechanical service life and no unsmooth rotation of a door plate, which can solve the quality problem caused by the looseness of a rotating shaft in the use process.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a door hinge assembly comprising:

the rotary shaft is provided with bosses at two ends;

the fixing part is sleeved on the rotating shaft and provided with a fixing assembly hole;

the rotating part is also sleeved on the rotating shaft and is provided with a rotating assembly hole;

the pivot is worn to establish fixed equipment hole and rotatory equipment are downthehole, will fixed part and rotating part rotationally link together.

Furthermore, the fixing part further comprises a fixing mounting plate and two fixing assembling plates which are arranged in parallel, the fixing mounting plate and the fixing assembling plates are fixedly connected together, and the fixing assembling holes are formed in the fixing assembling plates.

Furthermore, a fixed mounting hole is formed in the fixed mounting plate.

Further, the rotating part still includes rotatory mounting panel and rotatory equipment board, rotatory mounting panel and rotatory equipment board fixed connection together.

Further, the rotation assembly hole is formed by the rotation assembly plate being rolled into a cylindrical shape.

Further, the rotary mounting plate comprises a first rotary mounting sub-plate and a second rotary mounting sub-plate which are fixedly connected with the rotary mounting plate, and the first rotary mounting sub-plate and the second rotary mounting sub-plate are vertically connected with each other.

Furthermore, the middle part of the second rotary installation sub-plate is bent to form a slope-shaped avoiding part.

Furthermore, a rotary mounting hole is formed in the second rotary mounting sub-plate.

Further, the rotary mounting plate also comprises a third rotary mounting sub-plate, and the third rotary mounting sub-plate and the second rotary mounting sub-plate are vertically connected with each other.

Further, the first rotary mounting sub-plate, the second rotary mounting sub-plate and the third rotary mounting sub-plate are integrally formed.

The utility model has the beneficial effects that:

the door hinge assembly of the utility model can rotatably connect the fixed part and the rotating part together through the rotating shaft and the bosses at the two ends of the rotating shaft, solves the quality problem caused by the looseness of the rotating shaft in the use process of the door hinge in the prior art, and has the characteristics of long mechanical service life and no blocking of the door panel in rotation.

Drawings

FIG. 1 is a side view of a door hinge assembly of the present invention in a preferred embodiment;

FIG. 2 is a side cross-sectional view of a door hinge assembly of the present invention in a preferred embodiment;

figure 3 is an exploded view of a door hinge assembly of the present invention in a preferred embodiment.

The reference numerals include:

100-fixed part 110-fixed mounting plate 111-fixed mounting hole

120-fixed assembling plate 121-fixed assembling hole 200-rotating part

210-rotating mounting plate 211-rotating mounting hole

212-first rotatably mounted daughter Board 213-second rotatably mounted daughter Board

214-third rotary installation daughter board 220-rotary assembly board

221-rotating assembly hole 230-position avoiding part 300-rotating shaft

310-boss

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and 2, a door hinge assembly according to a preferred embodiment of the present invention includes: the rotating shaft 300, wherein bosses 310 are arranged at both ends of the rotating shaft 300; a fixing portion 100, which is sleeved on the rotating shaft 300, wherein the fixing portion 100 is provided with a fixing assembly hole 121; a rotating part 200, which is also sleeved on the rotating shaft 300, wherein the rotating part 200 is provided with a rotating assembly hole 221; the rotation shaft 300 is inserted into the fixing assembly hole 121 and the rotating assembly hole 221 to rotatably connect the fixing portion 100 and the rotating portion 200. The above components are described in further detail below.

As shown in fig. 1 and 2 in conjunction with fig. 3, the rotating shaft 300 is generally cylindrical, and both ends thereof are provided with bosses 310. The fixing portion 100 and the rotating portion 200 are sleeved on the rotating shaft 300, and the boss 310 can limit the fixing portion 100 and the rotating portion 200 to prevent the fixing portion 100 and the rotating portion 200 from separating from the rotating shaft 300. The boss 310 is formed by a spinning process, that is, after the fixing portion 100 and the rotating portion 200 are sleeved on the rotating shaft 300, the boss 310 is formed at two ends thereof by the spinning process.

As shown in fig. 1 and 2 in conjunction with fig. 3, the fixing portion 100 is used for fixing and connecting to a door frame, has a substantially concave shape as a whole, and includes a fixing and mounting plate 110 and a fixing and mounting plate 120. Preferably, the number of the fixed assembling plates 120 is two, and the two fixed assembling plates 120 are disposed in parallel at both ends of the fixed mounting plate 110. The fixed mounting plate 110 and the two fixed assembling plates 120 are fixedly connected together, and preferably, the fixed mounting plate 110 and the fixed assembling plates 120 are integrally formed.

The two fixing and assembling plates 120 are respectively provided with a fixing and assembling hole 121, the diameter of the fixing and assembling hole 121 is adapted to the outer diameter of the rotating shaft 300, the fixing and assembling plate 110 is sleeved on the rotating shaft 300 through the fixing and assembling hole 121, and the fixing portion 100 can rotate around the rotating shaft 300.

In order to fixedly connect the fixing portion 100 and the door frame, the fixing mounting plate 110 is provided with a fixing mounting hole 111. The fixing portion 100 is fixed to the door frame by engaging a fastening member such as a screw with the fixing hole 111. The fixing portion 100 is assembled in the above manner, so that the deviation of the installation position of the fixing portion 100 caused by welding and the rotation and locking of the fixing portion 100 caused by spraying can be avoided.

As shown in fig. 1 and 2 in conjunction with fig. 3, the rotating portion 200 is used to be fixed to a door leaf, and includes a rotating mounting plate 210 and a rotating assembly plate 220, and the rotating mounting plate 210 and the rotating assembly plate 220 are fixedly connected together. Preferably, the swivel mounting plate 210 and the swivel mounting plate 220 are integrally formed. Wherein, the rotation assembly plate 220 is rolled into a cylinder shape to form the rotation assembly hole 221. The diameter of the rotating assembly hole 221 is adapted to the outer diameter of the rotating shaft 300, the rotating assembly plate 220 is sleeved on the rotating shaft 300 through the rotating assembly hole 221 and is located between the two fixed assembly plates 120, and the rotating portion 200 can rotate around the rotating shaft 300.

Specifically, the rotary mounting plate 210 includes a first rotary mounting sub-plate 212 and a second rotary mounting sub-plate 213, and one end of the first rotary mounting sub-plate 212 and the second rotary mounting sub-plate 213 are perpendicularly connected to each other. Wherein, the other end of the first rotary installation sub-plate 212 is fixedly connected with the rotary assembly plate 220. The middle part of the second rotary installation sub-plate 213 is bent to form a slope-shaped space-avoiding part 230 for avoiding the door leaf. The second rotary installation sub-plate 213 is provided with a rotary installation hole 211. The rotary portion 200 is fixed to the door by engaging a fastener such as a screw with the rotary attachment hole 211. The rotating part 200 is assembled in the manner described above, so that the deviation of the installation position of the rotating part 200 caused by welding and the rotation and locking of the rotating part 200 caused by painting can be avoided.

In a preferred embodiment of the present application, the swivel mounting plate 210 further comprises a third swivel mounting sub-plate 214. The third rotary mounting sub-plate 214 is advantageous to increase the mechanical strength of the rotary part 200. The third rotary mounting sub-plate 214 and the second rotary mounting sub-plate 213 are vertically connected to each other, and the first rotary mounting sub-plate 212, the second rotary mounting sub-plate 213 and the third rotary mounting sub-plate 214 form a concave shape. Preferably, the first, second and third rotational mounting

sub-plates

212, 213 and 214 are integrally formed.

The door hinge assembly solves the problems that in the prior art, a rotating shaft is loosened in the use process of a door hinge, and the quality is caused by welding or spraying and the like. The door hinge assembly has the advantages of being large in rotation angle, long in mechanical service life, and free of being clamped in rotation, meanwhile, the door hinge assembly does not need to be welded and sprayed with a door plate together, and the door hinge assembly is installed by adopting fasteners such as screws, so that the stability of products and the requirements of machining efficiency are improved.

The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the utility model are therefore considered to be within the scope of the utility model.

Claims

1. A door hinge assembly, comprising:

the rotating shaft (300), both ends of the rotating shaft (300) are provided with bosses (310);

the fixing part (100) is sleeved on the rotating shaft (300), and a fixing assembly hole (121) is formed in the fixing part (100);

the rotating part (200) is also sleeved on the rotating shaft (300), and a rotating assembly hole (221) is formed in the rotating part (200);

the rotating shaft (300) penetrates through the fixed assembling hole (121) and the rotating assembling hole (221), and the fixed part (100) and the rotating part (200) are rotatably connected together.

2. A door hinge assembly according to claim 1, wherein the fixing portion (100) further comprises a fixing mounting plate (110) and two fixing assembling plates (120) arranged in parallel, the fixing mounting plate (110) and the fixing assembling plates (120) are fixedly connected together, and the fixing assembling holes (121) are opened on the fixing assembling plates (120).

3. A door hinge assembly according to claim 2, wherein the fixing mounting plate (110) is provided with a fixing mounting hole (111).

4. A door hinge assembly according to any one of claims 1-3, characterized in that the swivel part (200) further comprises a swivel mounting plate (210) and a swivel assembly plate (220), the swivel mounting plate (210) and the swivel assembly plate (220) being fixedly connected together.

5. A door hinge assembly according to claim 4, wherein the rotation assembly hole (221) is formed by rolling the rotation assembly plate (220) into a cylindrical shape.

6. A door hinge assembly according to claim 4, wherein the swivel mounting plate (210) comprises a first swivel mounting sub-plate (212) and a second swivel mounting sub-plate (213) for fixed connection with the swivel assembly plate (220), the first and second swivel mounting sub-plates (212, 213) being connected perpendicularly to each other.

7. A door hinge assembly according to claim 6, wherein the second rotary mounting sub-plate (213) is bent at its middle to form a ramp-shaped retainer (230).

8. A door hinge assembly according to claim 6, wherein the second rotary mounting sub-plate (213) is provided with a rotary mounting hole (211).

9. A door hinge assembly according to any one of claims 6 to 8, wherein the swing mounting plate (210) further comprises a third swing mounting sub-plate (214), the third swing mounting sub-plate (214) and the second swing mounting sub-plate (213) being connected perpendicularly to each other.

10. A door hinge assembly according to claim 9, wherein the first (212), second (213) and third (214) sub-pivotal mounting plates are integrally formed.