CN217054775U - Hinge with elastic hinge - Google Patents

Abstract

The utility model relates to a hinge, including 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, and its characterized in that still seals axle and lower axle including well axle sleeve, last sealed axle and, well axle sleeve is inserted and is established in the second sleeve pipe, and with second sleeve pipe fixed connection, and the first sleeve pipe that the sealed axle passed first hinge piece upper end is inserted and is established in the well axle sleeve, and the first sleeve pipe that the sealed axle passed first hinge piece lower extreme down is inserted and is established in the well axle sleeve, two sealed axles and the first sleeve pipe fixed connection who corresponds. Adopt above-mentioned technical scheme, the utility model provides a hinge, the well axle sleeve of this hinge, sealed axle process alone for the machining precision of well axle sleeve and sealed axle is high, and the assembly precision between the hinge is also high, thereby has increased the life of hinge, can not appear rocking and phenomenons such as abnormal sound after long-time the use.

Description

Hinge with elastic hinge

Technical Field

The utility model belongs to the technical field of the hinge technique and specifically relates to a hinge is related to.

Background

The hinge is usually of the two-fold type, consisting of a pair of metallic or non-metallic blades joined by a pin, which is the part that connects and enables the movement of the two parts of the object.

The hinge used in the market at present usually comprises a first hinge sheet, a second hinge sheet and a pin shaft, wherein the pin shaft is arranged in a solid manner, the first hinge sheet and the second hinge sheet are provided with insertion holes for inserting the pin shaft, the pin shaft is inserted into the insertion holes to connect the two hinge sheets, and flat heads are inserted into two ends of the pin shaft to be welded with the second hinge sheet.

However, when the hinges are produced and machined, the machining precision of the inner diameter of each jack on each hinge is low, so that the assembly precision of the two hinges is low during assembly, lubricating oil is easy to leak out of the other ends of the hinges when a pin shaft coated with the lubricating oil is inserted from one end of each hinge in the hinge assembly process, abnormal sound and shaking can occur on the hinges after the hinges are used for a long time, the hinges have the problems of short service life, poor performance and the like, and the hinges can fall off and fall to cause the whole hinges to be scattered under severe conditions.

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 a hinge, the well axle sleeve of this hinge, sealed axle are processed alone for the machining precision of well axle sleeve and sealed axle is high, and the assembly precision between the hinge is also high, thereby has increased the life of hinge, can not appear rocking and phenomenons such as abnormal sound after long-time the use.

The technical scheme of the utility model: 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 including well axle sleeve, last sealed axle and lower sealed axle, well axle sleeve is inserted and is established in the second sleeve pipe, and with second sleeve pipe fixed connection, the first sleeve pipe that the sealed axle of going up passes first hinge piece upper end is inserted and is established in well axle sleeve, and goes up sealed axle and well axle sleeve normal running fit, and the first sleeve pipe that the sealed axle of lower extreme passes first hinge piece is inserted and is established in well axle sleeve, and lower sealed axle and well axle sleeve running fit, two sealed axles and corresponding first sleeve pipe fixed connection.

By adopting the technical scheme, the middle shaft sleeve, the upper sealing shaft and the lower sealing shaft are all independently processed, so that the middle shaft sleeve, the upper sealing shaft and the lower sealing shaft are high in processing precision, the matching precision is high when the middle shaft sleeve is matched with the shaft sleeve, the middle shaft sleeve is not directly matched with a first sleeve on the first hinge plate in a rotating mode but is matched with the sealing shaft, the matching precision between the middle shaft sleeve and the sealing shaft is high, the sealing shaft is inserted into the middle shaft sleeve from two ends, lubricating oil on the sealing shaft can be prevented from leaking out during assembly, the problems that in the prior art, because the sleeve on the hinge plate is low in processing precision, sleeve inner holes on the two hinge plates are not concentric during assembly, the assembly is inconvenient, the lubricating oil is easy to leak out from the other end of the sleeve and the like are solved, the sealing shaft is fixedly connected with the corresponding first sleeve, the integral structure of the hinge is firm, and the service life is long.

The utility model discloses a further setting: the upper sealing shaft comprises an upper shaft body and an upper sealing shaft core, a first shoulder step is formed at the upper end of the upper sealing shaft core by fixedly arranging the upper shaft body, the lower sealing shaft comprises a lower shaft body and a lower sealing shaft core, a second shoulder step is formed at the lower end of the lower sealing shaft core by fixedly arranging the lower shaft body, and the upper shaft body and the lower shaft body are fixedly connected with corresponding first sleeves.

Adopt above-mentioned further setting again, the production of being convenient for, upper and lower axis body and first sleeve fixed connection prevent that well axle sleeve from rotating, and upper and lower axis body rotates thereupon, because of sealed axle need insert in the well axle sleeve, with well axle sleeve cooperation, consequently the diameter of sealed axle is less than the diameter of well axle sleeve, and the aperture is the same between first sleeve and the second sleeve, so set up the shoulder rank for the cooperation nature is good between sealed axle and the first sleeve.

The utility model discloses a further setting again: the upper end of the middle shaft sleeve is sleeved with a first bearing, the lower end of the upper shaft body is inserted into the first bearing, the lower end of the middle shaft sleeve is sleeved with a second bearing, and the upper end of the lower shaft body is inserted into the second bearing.

Adopt above-mentioned further setting, the setting of bearing effectively reduce in the axle sleeve rotate the time and the sleeve pipe between the wearing and tearing that produce for the long service life of well axle sleeve, and then the life of reinforcing hinge.

The utility model discloses a still further set up: a first sealing element is arranged between the first shoulder step and the upper end of the middle shaft sleeve, the first sealing element is positioned in the first bearing, a second sealing element is arranged between the second shoulder step and the lower end of the middle shaft sleeve, and the second sealing element is positioned in the second bearing.

By adopting the arrangement, the sealing element is pressed on the middle shaft sleeve through the shoulder step, so that the sealing element is firmer, the sealing element is not easy to separate when the middle shaft sleeve rotates, the sealing effect between the sealing shaft and the middle shaft sleeve is good, the lubricating oil on the sealing shaft cannot overflow, the sealing element is arranged in the bearing, the sealing effect between the upper shaft body and the lower shaft body and the middle shaft sleeve is good, and the lubricating oil is prevented from leaking.

The utility model discloses a still further set up: the fixed connection adopts welding or interference fit.

By adopting the above further arrangement, the structure between the upper shaft body and the first sleeve and the structure between the lower shaft body and the first sleeve are firmer.

The utility model discloses a still further set up: and the first hinge plate and the second hinge plate are respectively provided with a plurality of fixing holes.

By adopting the further arrangement, the two hinge pieces can be conveniently installed on a door frame or a wardrobe and the like.

Drawings

Fig. 1 is an exploded view of a hinge provided with two first sleeves;

FIG. 2 is an exploded view of a hinge with three first sleeves;

FIG. 3 is a cross-sectional view of a hinge with two first sleeves;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is an exploded view of the seal shaft in a separate state.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indications (such as upper, lower, front and rear … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by those skilled in the art as a basis, and when the technical solutions are combined and contradicted with each other or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and the present invention is not within the protection scope of the present invention.

As shown in fig. 1-6, a hinge includes a first hinge plate 1 and a second hinge plate 2, where the first hinge plate 1 and the second hinge plate 2 are both provided with a plurality of fixing holes 10, 20, the fixing holes are arranged to facilitate the installation of the two hinge plates to a door frame or a wardrobe, and at least two first sleeves 11 are arranged on one side of the first hinge plate 1, a second sleeve 21 is arranged between two adjacent first sleeves 11 on one side of the second hinge plate 2, the number of the first sleeves 11 may be two or three, and if two sleeves are arranged, one second sleeve 21 is arranged, as shown in fig. 1, if three first sleeves 11 are arranged, two second sleeves 21 are arranged, as shown in fig. 2, the hinge further includes a middle shaft sleeve 3, an upper sealing shaft 4 and a lower sealing shaft 5, the middle shaft sleeve 3 is inserted into the second sleeve 21 and fixedly connected to the second sleeve 21, specifically, the fixed connection may be an interference fit, or a welded connection or a fixed connection achieved by glue, screws, etc., the upper sealing shaft 4 passes through the first sleeve 11 at the upper end of the first hinge plate 1 and is inserted into the middle shaft sleeve 3, the upper sealing shaft 4 is in a rotation fit with the middle shaft sleeve 3, the lower sealing shaft 5 passes through the first sleeve 11 at the lower end of the first hinge plate 1 and is inserted into the middle shaft sleeve 3, the lower sealing shaft 5 is in a rotation fit with the middle shaft sleeve 3, the two sealing shafts 4 and 5 are fixedly connected with the corresponding first sleeves 11, the middle shaft sleeve 3, the upper sealing shaft 4 and the lower sealing shaft 5 are all processed separately, so that the middle shaft sleeve 3, the upper sealing shaft 4 and the lower sealing shaft 5 have high processing accuracy, the matching accuracy is high when being matched with the middle shaft sleeve 3, the middle shaft sleeve 3 is not in a direct rotation fit with the first sleeve 11 on the first hinge plate 1, but is in a direct rotation fit with the sealing shaft 4, 5 cooperation, make well axle sleeve 3 and sealed axle 4, cooperation precision between 5 is high, and from both ends with sealed axle 4, 5 insert in well axle sleeve 3, can prevent sealed axle 4 like this, lubricating oil on 5 leaks out when the assembly, it is low because of the sleeve pipe machining precision on the hinge piece to have solved among the prior art, the cover pipe hole decentraction on two hinge pieces when the assembly, the inconvenient and lubricating oil of assembly easily spills the scheduling problem from the sleeve pipe other end, sealed axle 4, 5 and the 11 fixed connection of first sleeve pipe that correspond, make the overall structure of hinge firm, long service life.

In this embodiment, the upper sealing shaft 4 includes an upper shaft body 42 and an upper sealing shaft core 43, the upper shaft body 42 is fixedly disposed at the upper end of the upper sealing shaft core 43 to form a first shoulder 41, the lower sealing shaft 5 includes a lower shaft body 52 and a lower sealing shaft core 53, the shaft bodies may be disposed in a shaft sleeve manner and sleeved on the sealing shaft cores, the shaft bodies and the corresponding sealing shaft cores may be disposed separately or integrally, the separate arrangement may be performed by screwing or welding, the lower shaft body 52 is fixedly disposed at the lower end of the lower sealing shaft core 53 to form a second shoulder 51, the upper shaft body 42 and the lower shaft body 52 are fixedly connected with the corresponding first sleeves 11, the sealing shaft cores are processed by metal bars, the middle shaft sleeve 3, the upper shaft body 42 and the lower shaft body 52 are metal sleeves, which is convenient to produce, and the upper and lower shaft bodies are fixedly connected with the first sleeves, when the middle shaft sleeve is prevented from rotating, the upper shaft body and the lower shaft body rotate along with the middle shaft sleeve, and the sealing shaft needs to be inserted into the middle shaft sleeve and matched with the middle shaft sleeve, so that the diameter of the sealing shaft is smaller than that of the middle shaft sleeve, and the aperture between the first sleeve and the second sleeve is the same, so that a shoulder step is arranged, and the matching between the sealing shaft and the first sleeve is good. Specifically, the fixed connection is welded or in interference fit, so that the structure between the upper and lower shaft bodies 42 and 52 and the first sleeve 11 is firmer.

In this embodiment, the upper end cover of the middle shaft sleeve 3 is provided with a first bearing 8, the lower end cover of the middle shaft sleeve 3 is provided with a second bearing 9, the first bearing 8 is positioned at the lower end of a first sleeve 11 at the upper end of the first hinge plate 1, the second bearing 9 is positioned at the upper end of the first sleeve 11 at the lower end of the first hinge plate 1, the lower end of the upper shaft body 42 is inserted into the first bearing 8, the upper end of the lower shaft body 52 is inserted into the second bearing 9, and the arrangement of the bearings effectively reduces the abrasion between the middle shaft sleeve 3 and the first sleeve 11 when the middle shaft sleeve 3 rotates, so that the service life of the middle shaft sleeve 3 is long, and the service life of the hinge is further prolonged. Of course, a washer may be used, and may be selected as desired.

Specifically, a first sealing element 6 is arranged between the first shoulder step 41 and the upper end of the middle shaft sleeve 3, the first sealing element 6 is located in a first bearing 8, a second sealing element 7 is arranged between the second shoulder step 51 and the lower end of the middle shaft sleeve 3, the second sealing element 7 is located in a second bearing 9, the two sealing elements 6 and 7 are arranged by sealing rubber rings, the sealing elements 6 and 7 are pressed on the middle shaft sleeve 3 through the corresponding shoulder steps, so that the sealing elements 6 and 7 are firmer, when the middle shaft sleeve 3 rotates, the sealing elements are not easy to separate, the sealing effect between the sealing shafts 4 and 5 and the middle shaft sleeve 3 is good, lubricating oil on the sealing shafts cannot overflow, the sealing elements are arranged in the bearings, the sealing effect between the upper shaft body and the lower shaft body and the middle shaft sleeve is good, and the lubricating oil is prevented from leaking.

Claims (6)

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 including well axle sleeve, last sealed axle and lower sealed axle, well axle sleeve is inserted and is established in the second sleeve pipe, and with second sleeve pipe fixed connection, the first sleeve pipe that the sealed axle of going up passes first hinge piece upper end is inserted and is established in well axle sleeve, and goes up sealed axle and well axle sleeve normal running fit, and the first sleeve pipe that the sealed axle of lower extreme passes first hinge piece is inserted and is established in well axle sleeve, and lower sealed axle and well axle sleeve running fit, two sealed axles and corresponding first sleeve pipe fixed connection.

2. The hinge as claimed in claim 1, wherein the upper sealing shaft includes an upper shaft body and an upper sealing shaft core, the upper shaft body is fixedly disposed on an upper end portion of the upper sealing shaft core to form a first shoulder, the lower sealing shaft includes a lower shaft body and a lower sealing shaft core, the lower shaft body is fixedly disposed on a lower end portion of the lower sealing shaft core to form a second shoulder, and the upper shaft body and the lower shaft body are fixedly connected to corresponding first sleeves.

3. The hinge as claimed in claim 2, 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, the lower end of the upper shaft body is inserted in the first bearing, and the upper end of the lower shaft body is inserted in the second bearing.

4. The hinge as claimed in claim 3, wherein a first sealing member is disposed between the first shoulder and the upper end of the middle shaft sleeve, the first sealing member is disposed in the first bearing, and a second sealing member is disposed between the second shoulder and the lower end of the middle shaft sleeve, the second sealing member is disposed in the second bearing.

5. Hinge according to any one of claims 1 to 4, characterized in that said fixed connection is made by welding or interference.

6. The hinge of claim 5 wherein said first and second hinge plates each have a plurality of fastening holes.

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