CN218934114U - Hinge - Google Patents

Abstract

The utility model relates to a hinge, which comprises a first hinge piece and a second hinge piece, wherein one side of the first hinge piece is at least provided with two first sleeves arranged at intervals, one side of the second hinge piece is provided with a second sleeve corresponding to the space between two adjacent first sleeves. By adopting the technical scheme, the utility model provides the hinge, the middle shaft sleeve and the shaft core are processed independently, the processing precision is high, the coaxial precision between the middle shaft sleeve and the shaft core is high, and the hinge is high in strength and long in service life by penetrating through one shaft core.

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 used in the market at present generally comprises a first hinge piece, a second hinge piece and two pin shafts, wherein insertion holes for inserting the pin shafts are formed in the first hinge piece and the second hinge piece, one pin shaft is inserted into the insertion holes from the upper end, and the other pin shaft is inserted into the insertion holes from the lower end, so that the two hinge pieces are connected.

But above-mentioned hinge is when processing in production, and jack internal diameter machining precision on each hinge is low to lead to two hinges to assemble the precision low when the assembly, thereby produce abnormal sound easily after long-time use, still can appear leading to the hinge to fall and lead to whole hinge scatter-shelf under serious circumstances, and can exist the interval between two round pins after the hinge assembly, can not be complete run through whole hinge, make hinge bulk strength low, 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, wherein the middle shaft sleeve and the shaft core are processed independently, the processing precision is high, the coaxial precision between the middle shaft sleeve and the shaft core is high, and the hinge is high in strength and long in service life by penetrating through one shaft core.

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 two adjacent first sleeve pipes, its characterized in that still includes well axle sleeve and axle core, well axle sleeve inserts and establishes in the second sleeve pipe, and with second sleeve pipe fixed connection, the axle core runs through well axle sleeve to with well axle sleeve normal running fit, the upper end of axle core inserts and establishes in the first sleeve pipe of first hinge piece upper end, and the lower extreme of axle core inserts and establishes in the first sleeve pipe of first hinge piece lower extreme, just axle core both ends and corresponding first sleeve pipe fixed connection.

By adopting the technical scheme, the middle shaft sleeve and the shaft core are processed independently, so that the processing precision of the middle shaft sleeve and the shaft core is high, the assembly precision is high during assembly, the concentricity between the middle shaft sleeve and the shaft core can be improved, the stress is uniform, the middle shaft sleeve is matched with the shaft core instead of being directly in running fit, the matching precision between the middle shaft sleeve and the shaft core is high, the shaft core penetrates through the whole hinge, the shaft core penetrates through the middle shaft sleeve, the upper end of the shaft core is inserted into the first sleeve at the upper end of the first hinge, the lower end of the shaft core is inserted into the first sleeve at the lower end of the first hinge, the hinge strength is high, the service life is long, the problems that in the prior art, due to low processing precision of the sleeve on the hinge sheet, the sleeve inner holes on the two hinge sheets are not concentric during assembly, the shaft core is fixedly connected with the corresponding first sleeve, the whole structure of the hinge is firm, and the service life is long are solved.

The utility model is further provided with: the novel high-strength steel wire rope winding device is characterized by further comprising an upper shaft sleeve and a lower shaft sleeve, wherein the upper shaft sleeve is sleeved at the upper end of the shaft core to form a first shoulder, the upper shaft sleeve is in interference fit with the shaft core, the lower shaft sleeve is sleeved at the lower end of the shaft core to form a second shoulder, the lower shaft sleeve is in interference fit with the shaft core, and the upper shaft sleeve and the lower shaft sleeve are fixedly connected with corresponding first sleeves.

Adopt above-mentioned further setting for the suitability is good between axle core and the first sleeve pipe, because of the axle core need insert in the well axle sleeve, with well axle sleeve normal running fit, consequently the diameter of axle core is less than the diameter of well axle sleeve, and the aperture is the same between first sleeve pipe and the second sleeve pipe, so set up upper and lower axle sleeve, the diameter of upper and lower axle sleeve and the internal diameter looks adaptation of first sleeve pipe, make the suitability good between axle core and the first sleeve pipe, and prevent that lubricating oil from spilling.

Still further, the present utility model provides: the top of the shaft core is welded with the top of the upper shaft sleeve, the upper shaft sleeve is welded with the corresponding first sleeve, the bottom of the shaft core is welded with the bottom of the lower shaft sleeve, and the lower shaft sleeve is welded with the corresponding first sleeve.

By adopting the further arrangement, the two ends of the shaft core are respectively welded with the upper shaft sleeve and the lower shaft sleeve, so that the whole hinge is more attractive.

Still further, the present utility model provides: the diameter of the middle shaft sleeve is the same as that of the upper shaft sleeve and the lower shaft sleeve.

By adopting the further arrangement, the diameters of the upper shaft sleeve and the lower shaft sleeve are the same as the diameter of the middle shaft sleeve, so that the shaft core and the first sleeve are good in matching performance, and lubricating oil is prevented from leaking.

Still further, the present utility model is provided with: the upper end of the middle shaft sleeve is sleeved with a first bearing, the lower end of the middle shaft sleeve is sleeved with a second bearing, and two ends of the shaft core are inserted into the corresponding bearings.

Adopt above-mentioned still further setting, the wearing and tearing that produce between the effective reduction well axle sleeve rotation of setting up of bearing and the sleeve pipe for well axle sleeve's long service life, and then reinforcing hinge's life.

Still further, the present utility model is provided with: the fixed connection is welded or in interference fit.

By adopting the above arrangement, the structure between the shaft core and the first sleeve is firmer.

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 illustrating the connection between a shaft core and a shaft sleeve according to an embodiment of the present utility model;

fig. 4 is an exploded view of a hinge provided with two second bushings according to an embodiment of the present utility model.

Detailed Description

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. 1-4, a hinge comprises a first hinge piece 1 and a second hinge piece 2, wherein a plurality of fixing holes 10 and 20 are respectively arranged on the first hinge piece 1 and the second hinge piece 2, the fixing blocks are arranged to facilitate the installation of the two hinge pieces on a door frame or a wardrobe and the like, at least two first sleeves 11 which are arranged at intervals are arranged on one side of the first hinge piece 1, two or four second sleeves 21 are arranged between two adjacent first sleeves 11 which are arranged on one side of the second hinge piece 2, one or two or three second sleeves 21 are arranged correspondingly, as shown in fig. 1 and 2, two first sleeves 11 are arranged, one second sleeve 21 is arranged, three first sleeves 11 are arranged as shown in fig. 4, two second sleeves 21 are correspondingly arranged, a middle sleeve 3 and a shaft core 4 are also included, the middle shaft sleeve 3 is inserted in the second sleeve 21 and is fixedly connected with the second sleeve 21, the shaft core 4 penetrates through the middle shaft sleeve 3, the shaft core 4 is in running fit with the middle shaft sleeve 3, the upper end of the shaft core 4 is inserted in the first sleeve 11 at the upper end of the first hinge sheet 1, the lower end of the shaft core 4 is inserted in the first sleeve 11 at the lower end of the first hinge sheet 1, the two ends of the shaft core 4 are fixedly connected with the corresponding first sleeve 11, specifically, the fixed connection adopts welding or interference fit, so that the structure between the shaft core 4 and the first sleeve 11 is firmer, the middle shaft sleeve 3 and the shaft core 4 are processed independently, the processing precision of the middle shaft sleeve 3 and the shaft core 4 is high, the assembly precision is high during assembly, the concentricity between the middle shaft sleeve 3 and the shaft core 4 can be improved, and the stress is uniform, the middle shaft sleeve 3 is not in direct running fit with the first sleeve 11 on the first hinge piece 1, but is matched with the shaft core 4, so that the matching precision between the middle shaft sleeve 3 and the shaft core 4 is high, the shaft core 4 penetrates through the middle shaft sleeve 3, the upper end of the shaft core 4 is inserted into the first sleeve 11 at the upper end of the first hinge piece 1, the lower end of the shaft core 4 is inserted into the first sleeve 11 at the lower end of the first hinge piece 1, the shaft core penetrates through the whole hinge, the hinge strength is high, the service life is long, the problems that in the prior art, due to low processing precision of the sleeve on the hinge pieces, the sleeve inner holes on the two hinge pieces are not concentric, the assembly is inconvenient and the like are solved, and the shaft core is fixedly connected with the corresponding first sleeve, so that the whole structure of the hinge is firm, and the service life is long.

In this embodiment, the upper shaft sleeve 5 and the lower shaft sleeve 6 are further included, the upper shaft sleeve 5 is sleeved at the upper end of the shaft core 4, the upper shaft sleeve 5 is in interference fit with the shaft core 4, a first shoulder is formed between the upper shaft sleeve 5 and the shaft core 4, the lower shaft sleeve 6 is sleeved at the lower end of the shaft core 4, the lower shaft sleeve 6 is in interference fit with the shaft core 4, a second shoulder is formed between the shaft core 4 and the shaft core 4, the upper shaft sleeves 5 and the lower shaft sleeves 5 and 6 are fixedly connected with the corresponding first sleeve 11, the diameters of the upper shaft sleeve and the lower shaft sleeve are identical with the diameter of the middle shaft sleeve, the shaft core 4 is matched with the first sleeve 11 in a rotating manner, the diameter of the shaft core 4 is smaller than the diameter of the middle shaft sleeve 3, the diameter of the first sleeve 11 is identical with the diameter of the second sleeve 21, the upper shaft sleeve 5 and the lower shaft sleeve 6 are arranged, the shaft core 4 is matched with the first sleeve 11, the upper shaft sleeve 5 and the lower shaft sleeve 5 can be effectively welded with the lower shaft sleeve 11, the upper shaft sleeve 4 and the lower shaft sleeve 5 are welded with the bottom of the first sleeve 11, and the top of the upper shaft sleeve 4 and the bottom of the lower shaft sleeve 5 are welded with the bottom of the first sleeve 11 respectively, and the top of the upper shaft sleeve 4 and the bottom sleeve 11 are welded with the top sleeve 11. The upper end cap and the lower end cap can also be adopted to set up, upper end cap fixed connection is in the upper end of axle core 4 to be located the first sleeve pipe 11 of first hinge piece 1 upper end, upper end cap and first sleeve pipe 11 welding, lower end cap fixed connection at the lower extreme of axle core 1, and be located the first sleeve pipe 11 of first hinge piece 1 lower extreme, lower end cap and first sleeve pipe 11 welding set up upper and lower end cap, make the suitability good between axle core 4 and the first sleeve pipe 11, and the end cap tip flushes with first sleeve pipe 11 tip, make the hinge whole more pleasing to the eye.

In this embodiment, the upper end cover of well axle sleeve 3 is equipped with first bearing 100, and the lower extreme cover of well axle sleeve 3 is equipped with second bearing 200, the axle core 4 both ends are inserted and are established in corresponding bearing, and the wearing and tearing that produce between the sleeve pipe when the setting of bearing effectively reduces well axle sleeve 3 and rotates for the life of well axle sleeve 3 is long, and then reinforcing hinge's life.

Claims (7)

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 two adjacent first sleeve pipes, its characterized in that still includes well axle sleeve and axle core, well axle sleeve inserts and establishes in the second sleeve pipe, and with second sleeve pipe fixed connection, the axle core runs through well axle sleeve to with well axle sleeve normal running fit, the upper end of axle core inserts and establishes in the first sleeve pipe of first hinge piece upper end, and the lower extreme of axle core inserts and establishes in the first sleeve pipe of first hinge piece lower extreme, just axle core both ends and corresponding first sleeve pipe fixed connection.

2. The hinge according to claim 1, further comprising an upper bushing and a lower bushing, wherein the upper bushing is sleeved at the upper end of the shaft core, the upper bushing is in interference fit with the shaft core, the lower bushing is sleeved at the lower end of the shaft core, the lower bushing is in interference fit with the shaft core, and the upper bushing and the lower bushing are fixedly connected with the corresponding first sleeve.

3. The hinge of claim 2, wherein the top of the core is welded to the top of the upper bushing, the upper bushing is welded to the corresponding first bushing, the bottom of the core is welded to the bottom of the lower bushing, and the lower bushing is welded to the corresponding first bushing.

4. A hinge according to claim 2 or claim 3, wherein the diameter of the middle sleeve is the same as the diameter of the upper and lower sleeves.

5. A hinge according to claim 1, 2 or 3, wherein the upper end of the middle sleeve is sleeved with a first bearing, the lower end of the middle sleeve is sleeved with a second bearing, and the two ends of the shaft core are inserted into the corresponding bearings.

6. The hinge according to claim 4, wherein the upper end of the middle shaft sleeve is sleeved with a first bearing, the lower end of the middle shaft sleeve is sleeved with a second bearing, and two ends of the shaft core are inserted into the corresponding bearings.

7. A hinge according to claim 6, wherein the fixed connection is by welding or interference fit.

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