CN219081309U

CN219081309U - Hinge

Info

Publication number: CN219081309U
Application number: CN202221315305.8U
Authority: CN
Inventors: 李立坚; 李小松
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-05-26
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to a hinge, which comprises a first hinge sheet, a second hinge sheet, a shaft core, an upper shaft sleeve and a lower shaft sleeve, wherein one side of the first hinge sheet is provided with at least two first sleeves arranged at intervals, one side of the second hinge sheet is provided with the second sleeve corresponding to the space between the two adjacent first sleeves, the shaft core is arranged in the second sleeve in a penetrating manner and in interference fit with the second sleeve, the upper end of the shaft core is rotatably arranged in the first sleeve at the upper end of the first hinge sheet, the lower end of the shaft core is rotatably arranged in the first sleeve at the lower end of the first hinge sheet, the upper shaft sleeve is welded in the first sleeve at the upper end of the first hinge sheet, the upper shaft sleeve is rotatably matched with the upper end of the shaft core, the lower shaft sleeve is welded in the first sleeve at the lower end of the first hinge sheet, and the lower shaft sleeve is rotatably matched with the lower end of the shaft core. By adopting the technical scheme, the hinge provided by the utility model has the advantages that the shaft core and the shaft sleeve are independently processed, the processing precision is high, the strength of the hinge is high, and the service life is long.

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 hinge that uses on the market at present usually includes first hinge piece, second hinge piece and round pin axle, is equipped with on first hinge piece and the second hinge piece and supplies round pin axle male jack, and the round pin axle inserts in the jack and connects two hinge pieces, and the round pin axle rotates the cooperation with the jack on the second hinge piece, with the jack interference fit on the first hinge piece.

But above-mentioned hinge is when processing in production, and jack internal diameter machining precision on the hinge is low to lead to two hinges to assemble the precision when the assembly is low, can have the clearance too big between round pin axle and the jack, lead to producing the abnormal sound easily after long-time use, perhaps have the clearance too little, lead to the difficult pivoted condition, and still can have lubricating oil leak phenomenon, life is short.

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, the shaft core and the shaft sleeve are independently processed, and the processing precision is high, so that the coordination between the shaft core and the hinge is good, the strength of the hinge is high, and the service life of the hinge is long.

The technical scheme of the utility model is as follows: the utility model provides a hinge, includes first hinge piece and second hinge piece, 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, its characterized in that still includes axle core, goes up axle sleeve and lower axle sleeve, the axle core wears to establish in the second sleeve pipe, and with second sleeve pipe interference fit, the upper end rotation of axle core sets up in the first sleeve pipe of first hinge piece upper end, and the lower extreme rotation of axle core sets up in the first sleeve pipe of first hinge piece lower extreme, go up the axle sleeve welding in the first sleeve pipe of first hinge piece upper end, and go up axle sleeve and the upper end normal running fit of axle core, lower axle sleeve welding is in the first sleeve pipe of first hinge piece lower extreme, and the lower axle sleeve pipe normal running fit of axle core, the external diameter of axle core that is located the second sleeve pipe is greater than the external diameter of the axle core that is located first sleeve pipe.

By adopting the technical scheme, the shaft core and the shaft sleeve are processed independently, so that the processing precision of the shaft core and the shaft sleeve is high, the assembly precision is high during assembly, the shaft core is in interference fit with the second sleeve, the gap between the shaft core and the second sleeve is prevented from being too large, abnormal sound is caused, or the gap is too small, the shaft sleeve is not easy to rotate, the concentricity between the shaft core and the first sleeve can be improved due to the arrangement of the shaft sleeve, so that the stress is uniform, and the outer diameter of the shaft core is set to be different due to the fact that the inner diameters of the first sleeve and the second sleeve are the same, so that the shaft core is convenient to be in interference fit with the first sleeve, and the shaft core can be in running fit with the second sleeve, so that the problems that in the prior art, the processing precision of the sleeve on hinge pieces is low, the sleeve inner holes on the two hinge pieces are not concentric during assembly, and the assembly is inconvenient are solved.

Still further, the present utility model provides: the shaft core comprises a first shaft body and a second shaft body which are arranged in a split mode, the upper end of the first shaft body is rotatably arranged in a first sleeve at the upper end of a first hinge piece, the lower end of the first shaft body is inserted into a second sleeve and in interference fit with the second sleeve, the lower end of the second shaft body is rotatably arranged in the first sleeve at the lower end of the first hinge piece, the upper end of the second shaft body is inserted into the second sleeve and in interference fit with the second sleeve, and the outer diameter of the shaft body inserted into the second sleeve is larger than the outer diameter of the shaft body inserted into the first sleeve.

Adopt above-mentioned still further setting, install the axle core from both ends, prevent that lubricating oil from spilling from the other end when the installation for can not produce abnormal sound when the hinge uses, life is longer.

The utility model is further provided with: the upper shaft sleeve is in interference fit with a first sleeve at the upper end of the first hinge piece, the upper end face of the upper shaft sleeve is welded with the upper end face of the corresponding first sleeve, the lower shaft sleeve is in interference fit with the first sleeve at the lower end of the first hinge piece, and the lower end face of the lower shaft sleeve is welded with the lower end face of the corresponding first sleeve.

By adopting the further arrangement, the shaft sleeve is in interference fit with the corresponding sleeve, and then is welded, and the end face is welded flatly, so that lubricating oil can be prevented from leaking from the two ends of the shaft core, abnormal sound is generated when the hinge is used, and the whole hinge is more attractive.

Still further, the present utility model is provided with: the outer diameters of the upper shaft sleeve and the lower shaft sleeve are the same as the outer diameter of the shaft core positioned in the second sleeve.

By adopting the further arrangement, the shaft core and the second sleeve are good in matching performance, and lubricating oil is prevented from leaking.

Still further, the present utility model is provided with: the hinge assembly comprises a first sleeve, a second sleeve, a first hinge plate, a second hinge, a shaft core, a first bearing, a second bearing, a first sleeve and a second sleeve, wherein the first bearing is arranged between the upper end of the second sleeve and the lower end face of the first sleeve at the upper end of the first hinge plate, the second bearing is arranged between the lower end of the second sleeve and the upper end face of the first sleeve at the lower end of the first hinge plate, and the shaft core penetrates through the corresponding bearing to be rotatably arranged in the first sleeve.

By adopting the further arrangement, the arrangement of the bearing effectively reduces the abrasion generated between the two sleeves when the hinge rotates, and prolongs the service life of the hinge.

Drawings

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

fig. 2 is an exploded view of an embodiment of the present utility model having two mandrels.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present 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.

As shown in fig. 1-2, a hinge comprises a first hinge sheet 1 and a second hinge sheet 2, wherein one side of the first hinge sheet 1 is provided with at least two first sleeves 11 arranged at intervals, one side of the second hinge sheet 2 is provided with a second sleeve 21 corresponding to between two adjacent first sleeves 11, two or three or four first sleeves 11 can be arranged, when two first sleeves 11 are provided with two second sleeves 21, one second sleeve 21 is correspondingly provided with one first sleeve 11, when three first sleeves 11 are provided with three first sleeves 21, a plurality of

first mounting holes

12 and 22 are correspondingly provided on the first hinge sheet 1 and the second hinge sheet 2, the mounting holes are arranged to facilitate the mounting between the hinge and a cabinet door and the like, the hinge further comprises a shaft core 3, an upper shaft sleeve 4 and a lower shaft sleeve 5, wherein the shaft core 3 is arranged in the second sleeve 21 in a penetrating manner and is in interference fit with the second sleeve 21, the upper end of the shaft core 3 is rotatably arranged in a first sleeve 11 at the upper end of the first hinge plate 1, the lower end of the shaft core 3 is rotatably arranged in the first sleeve 11 at the lower end of the first hinge plate 1, the upper shaft sleeve 4 is welded in the first sleeve 11 at the upper end of the first hinge plate 1, the upper shaft sleeve 4 is in rotary fit with the upper end of the shaft core 3, the lower shaft sleeve 5 is welded in the first sleeve 11 at the lower end of the first hinge plate 1, the lower shaft sleeve 5 is in rotary fit with the lower end of the shaft core 3, the outer diameter of the shaft core 3 in the second sleeve 21 is larger than the outer diameter of the shaft core in the first sleeve 11, the shaft core 3 and the shaft sleeve are independently processed, so that the processing precision of the shaft core and the shaft sleeve is high, the assembly precision is high during assembly, the shaft core 3 is in interference fit with the second sleeve 21, the gap between the shaft core 3 and the second sleeve 21 is prevented from being too large, thereby abnormal sound is caused, or the gap is too small, the shaft sleeve is not easy to rotate, the concentricity between the shaft core 3 and the first sleeve 11 can be improved through the arrangement of the shaft sleeve, so that the stress is uniform, and the outer diameter of the shaft core 3 is set to be different because the inner diameters of the first sleeve 11 and the second sleeve 21 are the same, so that the shaft core is convenient to be in interference fit with the second sleeve 21 and can be in running fit with the first sleeve 11, and the problems that in the prior art, the processing precision of the sleeve on the hinge sheet is low, the inner holes of the sleeve on the two hinge sheets are not concentric during assembly, the assembly is inconvenient and the like are solved. The axle core 3 can adopt a setting, also can be equipped with two, the axle core 3 includes the first axis body 31 and the second axis body 32 of components of a whole that can function independently setting, first axis body 31 upper end rotates the first sleeve pipe 11 that sets up in first hinge piece 1 upper end, the lower extreme is inserted and is established in second sleeve pipe 21, and with second sleeve pipe 21 interference fit, second axis body 32 lower extreme rotates the first sleeve pipe 11 that sets up in first hinge piece 1 lower extreme, the upper end is inserted and is established in second sleeve pipe 21, and with second sleeve pipe 21 interference fit, the external diameter of the axis body of inserting and establishing in first sleeve pipe 11 is greater than the external diameter of inserting the axis body of establishing in second sleeve pipe 21, install the axle core 3 from both ends, prevent that lubricating oil from spilling out from the other end when the installation for hinge can not produce abnormal sound when using, life is longer.

In this embodiment, the first sleeve pipe 11 interference fit of upper shaft sleeve 4 and first hinge piece 1 upper end, just the up end of upper shaft sleeve 4 welds the flat with the up end of corresponding first sleeve pipe 11, lower axle sleeve 5 and the first sleeve pipe 11 interference fit of first hinge piece 1 lower extreme, just the lower terminal surface of lower axle sleeve 5 welds the flat with the lower terminal surface of corresponding first sleeve pipe 11, the axle sleeve earlier with the sleeve pipe interference fit of corresponding, welds again, and the terminal surface welds the flat both can prevent that lubricating oil from spilling from the axle core both ends, produces the condition of abnormal sound when causing the hinge to use, makes the hinge whole more pleasing to the eye simultaneously.

Specifically, the outer diameters of the upper and lower bushings 4, 5 are the same as the outer diameter of the shaft core 3 located in the second sleeve 21, so that the fit between the shaft core 3 and the first sleeve 11 is good, and the leakage of lubricating oil is prevented.

In this embodiment, the hinge further includes a first bearing 6 and a second bearing 7, where the first bearing 6 is disposed between the upper end of the second sleeve 21 and the lower end surface of the first sleeve 11 at the upper end of the first hinge piece 1, the second bearing 7 is disposed between the lower end of the second sleeve 21 and the upper end surface of the first sleeve 11 at the lower end of the first hinge piece 1, and the shaft core 3 is rotatably disposed in the first sleeve 11 through a corresponding bearing, and the bearing is disposed to effectively reduce wear generated between the two sleeves when the hinge rotates, so as to enhance the service life of the hinge.

Claims

1. The utility model provides a hinge, includes first hinge piece and second hinge piece, 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, its characterized in that still includes axle core, goes up axle sleeve and lower axle sleeve, the axle core wears to establish in the second sleeve pipe, and with second sleeve pipe interference fit, the upper end rotation of axle core sets up in the first sleeve pipe of first hinge piece upper end, and the lower extreme rotation of axle core sets up in the first sleeve pipe of first hinge piece lower extreme, go up the axle sleeve welding in the first sleeve pipe of first hinge piece upper end, and go up axle sleeve and the upper end normal running fit of axle core, lower axle sleeve welding is in the first sleeve pipe of first hinge piece lower extreme, and the lower axle sleeve pipe normal running fit of axle core, the external diameter of axle core that is located the second sleeve pipe is greater than the external diameter of the axle core that is located first sleeve pipe.

2. The hinge according to claim 1, wherein the shaft core comprises a first shaft body and a second shaft body which are separately arranged, the upper end of the first shaft body is rotatably arranged in a first sleeve at the upper end of the first hinge piece, the lower end of the first shaft body is inserted in a second sleeve and is in interference fit with the second sleeve, the lower end of the second shaft body is rotatably arranged in the first sleeve at the lower end of the first hinge piece, the upper end of the second shaft body is inserted in the second sleeve and is in interference fit with the second sleeve, and the outer diameter of the shaft body inserted in the second sleeve is larger than the outer diameter of the shaft body inserted in the first sleeve.

3. A hinge according to claim 1 or 2, wherein the upper sleeve is in interference fit with the first sleeve at the upper end of the first hinge piece, the upper end face of the upper sleeve is welded to the upper end face of the corresponding first sleeve, the lower sleeve is in interference fit with the first sleeve at the lower end of the first hinge piece, and the lower end face of the lower sleeve is welded to the lower end face of the corresponding first sleeve.

4. A hinge according to claim 3, wherein the outer diameters of the upper and lower bushings are the same as the outer diameter of the core located in the second bushing.

5. The hinge according to claim 4, further comprising a first bearing disposed between the upper end of the second sleeve and the lower end surface of the first sleeve at the upper end of the first hinge piece, and a second bearing disposed between the lower end of the second sleeve and the upper end surface of the first sleeve at the lower end of the first hinge piece, wherein the shaft core is rotatably disposed in the first sleeve through the corresponding bearing.