CN220151127U

CN220151127U - Hinge

Info

Publication number: CN220151127U
Application number: CN202321032041.XU
Authority: CN
Inventors: 李小松
Original assignee: Zhongshan Lijian Hardware Technology Co ltd
Current assignee: Zhongshan Lijian Hardware Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-12-08
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a hinge, which comprises a first hinge piece, a second hinge piece, a shaft core, an upper shaft sleeve and a lower shaft sleeve, wherein at least two first sleeves are arranged at intervals on one side of the first hinge piece, a second sleeve is arranged between two adjacent first sleeves corresponding to one side of the second hinge piece, the shaft core is arranged in the second sleeve in a penetrating manner and is in running fit with the second sleeve, the upper end of the shaft core and the upper shaft sleeve are arranged in the first sleeves at the upper end of the first hinge piece, the upper shaft sleeve is in interference fit with the first sleeves at the upper end, the upper end of the shaft core is in interference fit with the upper shaft sleeve, the lower end of the shaft core and the lower shaft sleeve are arranged in the first sleeves at the lower end of the first hinge piece, the lower shaft sleeve is in interference fit with the first sleeves at the lower end, and the lower end of the shaft core is in interference fit with the lower shaft sleeve. By adopting the technical scheme, the hinge provided by the utility model has the advantages that different materials can be adopted between the shaft core and the sleeve, the cost is low, the upper shaft sleeve and the lower shaft sleeve are not required to be welded with the second sleeve, and the qualification rate is high.

Description

Hinge

Technical Field

The utility model relates to the technical field of hinges, in particular to a hinge.

Background

The hinge is usually two-fold, and consists of a pair of metal or nonmetal blades connected by a shaft pin, and is a part for connecting two parts of an object and enabling the two parts to move.

The applicant previously applied for an utility model discloses a hinge, which comprises a first hinge sheet and a second hinge sheet, wherein one side of the first hinge sheet is at least provided with two first sleeves arranged at intervals, one side of the second hinge sheet is correspondingly provided with a second sleeve between two adjacent first sleeves, the hinge also comprises a middle shaft sleeve and a shaft core, the middle shaft sleeve is inserted in the second sleeve and fixedly connected with the second sleeve, the shaft core penetrates through the middle shaft sleeve and is in rotary fit with the middle shaft sleeve, the upper end of the shaft core is inserted in the first sleeve at the upper end of the first hinge sheet, the lower end of the shaft core is inserted in the first sleeve at the lower end of the first hinge sheet, two ends of the shaft core are fixedly connected with the corresponding first sleeves, the upper end of the shaft core is sleeved with an upper shaft sleeve, the lower shaft sleeve is sleeved with the lower shaft core, the upper shaft sleeve and the lower shaft sleeve are in interference fit with the corresponding first sleeves, and the upper shaft sleeve and the lower shaft sleeve are welded with the first sleeves.

Above-mentioned axle core both ends are located the axle sleeve that corresponds, and upper and lower axle sleeve and first sheathed tube tip welding, and the tip need weld to be leveled, consequently if the tip welding is uneven, leads to whole hinge to scrap, increase cost to the material between axle core and the hinge also needs to keep unanimously, leads to the increase of cost.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides the hinge, wherein different materials can be adopted between the shaft core and the sleeve, the cost is low, the upper shaft sleeve and the lower shaft sleeve are not required to be welded with the first sleeve, and the qualification rate is high.

The technical scheme of the utility model is as follows: the utility model provides a hinge, includes first hinge piece, second hinge piece, axle core, goes up axle sleeve, lower axle sleeve and well axle sleeve, one side of first hinge piece is equipped with the first sleeve pipe that two intervals set up at least, and one side of second hinge piece corresponds and is equipped with the second sleeve pipe between the adjacent two first sleeve pipes, well axle sleeve wears to establish in the second sleeve pipe, and with second sleeve pipe interference fit, the axle core runs through well axle sleeve to with well axle sleeve normal running fit, go up the axle sleeve setting in the first sleeve pipe of first hinge piece upper end, and with the first sleeve pipe interference fit of upper end, the upper end of axle core wears to establish in the first sleeve pipe of first hinge piece lower extreme, and with the first sleeve pipe interference fit of lower extreme, the lower extreme of axle core wears to establish in the lower axle sleeve pipe, and with the lower axle sleeve fit, the upper end of last axle sleeve pipe be equipped with, the upper end cover expose in the first sleeve pipe of first hinge piece upper end, the lower extreme of lower axle sleeve pipe is equipped with the lower end, the lower end of lower axle sleeve pipe is equipped with the lower end of lower end cover exposes in the first end cover of first end cover.

By adopting the technical scheme, the shaft core and the sleeve can be processed by adopting different materials, the cost is low, the upper shaft sleeve and the lower shaft sleeve are in interference fit with the first sleeve, the welding with the first sleeve is not needed, the qualification rate is high, the scrapping of the integral hinge caused by unqualified welding is avoided, the concentricity between the shaft core and the first sleeve can be improved by setting the upper shaft sleeve and the lower shaft sleeve, so that the stress is uniform, and the upper shaft sleeve, the lower shaft sleeve and the first sleeve are in interference fit, so that lubricating oil can be effectively prevented from leaking from the end part.

The utility model is further provided with: and the side walls of the upper shaft sleeve and the lower shaft sleeve are provided with notches along the vertical direction.

By adopting the further arrangement, when the two ends of the shaft core are installed in the corresponding shaft sleeve, even if the size of the shaft sleeve is smaller, the shaft sleeve can deform when the shaft core is inserted due to the arrangement of the notch of the shaft sleeve, the interference fit between the shaft sleeve and the shaft core is facilitated, and meanwhile, the interference fit between the shaft sleeve and the first sleeve is also facilitated, so that the processing precision of the shaft sleeve is low, and the processing efficiency is high.

Still further, the present utility model provides: and a second notch is formed in the side wall of the middle shaft sleeve along the vertical direction of the side wall of the middle shaft sleeve.

By adopting the further arrangement, the processing is convenient, the time is saved, and the shaft core can deform when being inserted conveniently, so that interference fit between the shaft core and the second sleeve is better realized.

Still further, the present utility model is provided with: the upper shaft sleeve and the lower shaft sleeve are in split and welded fixation with the corresponding end covers, the upper shaft sleeve and the lower shaft sleeve are formed by rolling a base plate, and the two sides of the base plate are provided with first notches at intervals.

Adopt above-mentioned still further setting, upper and lower axle sleeve and the components of a whole that can function independently of corresponding end cover setting like this can process alone respectively, and the processing mode is simple, and machining precision is low, adopts welded mode to process into an organic whole again after the processing is accomplished respectively, and sound construction compares integrated into one piece's processing mode more convenient, more high-efficient.

Still further, the present utility model is provided with: the middle shaft sleeve is formed by rolling a base plate, and the second notch is formed by arranging two side edges of the base plate at intervals.

By adopting the further arrangement, the middle shaft sleeve is convenient to process, and a high-precision processing method is not needed.

Still further, the present utility model is provided with: bearings are arranged between the first sleeve and the second sleeve, and two ends of the middle shaft sleeve are respectively arranged in the corresponding bearings in a penetrating mode.

Adopt above-mentioned still further setting, the wearing and tearing that produce between well axle sleeve and the sleeve pipe when rotating is effectively reduced in the setting of bearing for the long service life of well axle sleeve, and then the life of reinforcing hinge.

Still further, the present utility model is provided with: each first sleeve and each second sleeve are formed by rolling a base plate, and third notches are formed in the two side edges of the base plate at intervals.

By adopting the further arrangement, the processing is convenient, the arrangement of the third notch is convenient for generating deformation when the shaft core or the shaft sleeve is inserted, and higher processing precision is not needed.

Drawings

FIG. 1 is an exploded view of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of an upper and lower bushing according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a second hinge plate according to an embodiment of the present utility model;

fig. 5 is a schematic view of a first hinge plate according to an embodiment of the present utility model.

Description of the embodiments

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1 to 5, a hinge comprises a first hinge piece 100, a second hinge piece 200, a shaft core 300, an upper shaft sleeve 400, a lower shaft sleeve 500 and a middle shaft sleeve 800, wherein a plurality of fixing holes are respectively arranged on the first hinge piece 100 and the second hinge piece 200, the fixing blocks are arranged to facilitate the installation of the two hinge pieces to a door frame or a wardrobe and the like, at least two first sleeves 101 are arranged at intervals on one side of the first hinge piece 100, a second sleeve 201 is arranged between two adjacent first sleeves 101 on one side of the second hinge piece 200, two or three or four first sleeves 101 can be arranged, one or two or three second sleeves 201 are arranged correspondingly, the middle shaft sleeve 800 is arranged in the second sleeve 201 in a penetrating manner, is in interference fit with the second sleeve 201, the shaft core 300 penetrates through the middle shaft sleeve 800 and is in running fit with the middle shaft sleeve 800, the upper shaft sleeve 400 is arranged in the first sleeve 101 at the upper end of the first hinge plate 100 and is in interference fit with the first sleeve at the upper end, the upper end of the shaft core 300 is arranged in the upper shaft sleeve 400 in a penetrating manner and is in interference fit with the upper shaft sleeve 400, the lower shaft sleeve 500 is arranged in the first sleeve 101 at the lower end of the first hinge plate 100, the lower shaft sleeve 500 is in interference fit with the first sleeve at the lower end, the lower end of the shaft core 300 is arranged in the lower shaft sleeve 500 in a penetrating manner and is in interference fit with the lower shaft sleeve 500, the upper end of the upper shaft sleeve 400 is provided with an upper end cover 600, the upper end cover 600 is exposed out of the first sleeve 101 at the upper end of the first hinge plate 100, the lower end of the lower shaft sleeve 500 is provided with a lower end cover 700, the lower end cover 700 is exposed out of the first sleeve 101 at the lower end of the first hinge plate 100, the end covers can be in interference fit with the corresponding first sleeve or can be arranged at intervals, the shaft core and the sleeve can be processed by adopting different materials, the low cost, upper and lower axle sleeve and first sleeve pipe adopt interference fit, need not with first sleeve pipe welding, the qualification rate is high, can not be because of the condition emergence that the welding disqualification led to whole hinge to be scrapped, the concentricity between axle core and the first sleeve pipe can be improved in the setting of axle sleeve to make the atress even, interference fit between axle sleeve and the first sleeve pipe can prevent effectively that lubricating oil from spilling from the tip.

Specifically, notch 401, 501 have been seted up along its vertical direction on the lateral wall of upper shaft sleeve 400 and lower shaft sleeve 500, specifically, split and welded fastening between upper shaft sleeve 400 and lower shaft sleeve 500 and the end cover that corresponds, two axle sleeves adopt a monoblock base plate to roll up to form, the both sides interval of base plate sets up and forms first notch 401, 501, when the axle core both ends are installed in the axle sleeve that corresponds, even the size of axle sleeve is less, because of the setting of its notch, when the axle core inserts, the axle sleeve can produce the deformation, the interference fit of axle sleeve and axle core of being convenient for is also convenient for the interference fit between axle sleeve and the first sleeve pipe 101 simultaneously, the machining precision of axle sleeve is low like this, machining efficiency is high, can process alone respectively like this, the processing mode is simple, the machining precision requirement is low, adopt welded mode to process into an organic wholely again after the processing is accomplished respectively, and is firm in structure, compare integrated into a processing mode more convenient, and more high efficiency.

Further, the second notch 801 is formed in the side wall of the middle shaft sleeve 800 along the vertical direction, the middle shaft sleeve 800 is formed by rolling a base plate, the second notch 801 is formed by arranging two side edges of the base plate at intervals, the middle shaft sleeve is convenient to process, a high-precision processing method is not needed, and the middle shaft sleeve 800 can deform when the shaft core is inserted due to the arrangement of the second notch, so that interference fit between the middle shaft sleeve 800 and the second sleeve is better realized.

The bearing 900 is arranged between the first sleeve 101 and the second sleeve 201, two ends of the middle shaft sleeve 800 are respectively penetrated in the corresponding bearings 900, and the arrangement of the bearings 900 effectively reduces the abrasion generated between the middle shaft sleeve 800 and the sleeve when the hinge rotates, so that the service life of the middle shaft sleeve is long, and the service life of the hinge is further prolonged.

The sleeve processing mode on the hinge piece is the same as that of the shaft sleeve, each first sleeve 101 and each second sleeve 201 are formed by rolling a base plate, the third notches 1011 and 2011 are formed in the interval mode on the two side edges of the base plate, processing is convenient, deformation is generated when the middle shaft sleeve or the upper shaft sleeve and the lower shaft sleeve are inserted in the setting mode of the third notch, and high processing precision is not needed.

Claims

1. The hinge comprises a first hinge sheet (100), a second hinge sheet (200), a shaft core (300), an upper shaft sleeve (400), a lower shaft sleeve (500) and a middle shaft sleeve (800), wherein one side of the first hinge sheet (100) is at least provided with two first sleeves (101) arranged at intervals, one side of the second hinge sheet (200) is correspondingly provided with a second sleeve (201) between two adjacent first sleeves (101), the middle shaft sleeve (800) is inserted in the second sleeve (201) and is in interference fit with the second sleeve (201), the shaft core (300) penetrates through the middle shaft sleeve (800) and is in running fit with the middle shaft sleeve (800), the hinge is characterized in that the upper shaft sleeve (400) is arranged in the first sleeve (101) at the upper end of the first hinge sheet (100) and is in interference fit with the first sleeve (101) at the upper end, the upper end of the shaft core (300) is arranged in the upper sleeve (400) in a penetrating manner, the lower shaft sleeve (500) is in interference fit with the first sleeve (101) at the lower end of the first shaft core (100) in interference fit with the first sleeve (600), the upper end cover expose outside first sleeve pipe (101) of first hinge piece (100) upper end, the lower extreme of lower axle sleeve (500) is equipped with lower end cover (700), lower end cover (700) expose outside first sleeve pipe (101) of first hinge piece (100) lower extreme.

2. A hinge according to claim 1, characterized in that the side walls of the upper (400) and lower (500) bushings are provided with first notches (401, 501) along their vertical direction.

3. A hinge according to claim 1 or 2, characterized in that the side wall of the middle bushing (800) is provided with a second notch (801) along its vertical direction.

4. The hinge according to claim 2, wherein the upper sleeve (400) and the lower sleeve (500) are separated from the corresponding end caps and are welded and fixed, the upper sleeve (400) and the lower sleeve (500) are formed by rolling a base plate, and the two sides of the base plate are provided with first notches (401, 501) at intervals.

5. A hinge according to claim 3, wherein said middle sleeve (800) is formed by rolling a base plate, and said second notches (801) are formed on opposite sides of the base plate at intervals.

6. A hinge according to claim 1 or 2, characterized in that bearings (900) are arranged between the first sleeve (101) and the second sleeve (201), and two ends of the middle sleeve (800) are respectively arranged in the corresponding bearings (900) in a penetrating manner.

7. A hinge according to claim 1 or 2, characterized in that each of the first (101) and second (201) sleeves is formed by a rolled base plate, the base plates being provided with third notches (1011, 2011) at intervals on both sides thereof.