CN218759365U

CN218759365U - Limiting hinge

Info

Publication number: CN218759365U
Application number: CN202223154448.8U
Authority: CN
Inventors: 吕铭焕
Original assignee: Beijing Dayang Xingye Decoration Materials Co ltd
Current assignee: Beijing Dayang Xingye Decoration Materials Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-28
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a spacing hinge, including the pivot, still include: the side surface of the first hinge sheet is provided with a first sleeve and a first limiting part; the side surface of the second hinge sheet is provided with a second sleeve and a second limiting part; the first sleeve and the second sleeve are sleeved on the rotating shaft, the first limiting part and the second limiting part are oppositely arranged on the outer circumferential surface of the rotating shaft, and the end parts of the first limiting part and the second limiting part and the rotating shaft form a limiting groove in a surrounding mode; and the bearing is sleeved on the rotating shaft and arranged between the first hinge sheet and the second hinge sheet. The utility model discloses, through setting up the cooperation of the spacing portion of first spacing portion and second on first hinge piece and second hinge piece respectively, form the spacing groove, play limiting displacement to the angle that opens of first hinge piece and second hinge piece. The utility model discloses simple structure, the pivot can adopt general pivot, and it is less to the change of hinge piece production line, has reduced the manufacturing cost of spacing hinge and the assembly cost of spacing hinge.

Description

Limiting hinge

Technical Field

The utility model relates to a hinge technical field, concretely relates to spacing hinge.

Background

Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between the two. The hinge generally comprises a rotating shaft and two leaves rotatably connected to the rotating shaft. At present, hinges on the market are common hinges without limiting function basically. Therefore, it is necessary to add an anti-collision door top, which increases the installation steps and the installation cost.

Therefore, chinese utility model patent CN215056386U provides a spacing hinge, including page axle and two epaxial pages of suit at the page, seted up the spacing groove on the outer periphery of page axle, two pages are equipped with first spacing shelves strip and the spacing shelves strip of second respectively at the spacing inslot, and first spacing shelves strip and the spacing shelves strip of second realize spacing to the turned angle of two pages through conflicting respectively on the first spacing face and the spacing face of second at spacing groove both ends.

However, in the above scheme, the limiting groove is formed in the blade shaft, and the limiting stop strip is arranged on the blade, so that the production steps of the limiting hinge are increased, the hinge production line in the prior art needs to be transformed in a large scale, and the production cost and the assembly cost of the limiting hinge are increased.

In view of this, it is urgently needed to improve the structure of the limiting hinge in the prior art, so as to simplify the structure of the limiting hinge and reduce the production cost and the assembly cost of the limiting hinge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the structure of current spacing hinge is complicated, production and the high problem of assembly cost.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a spacing hinge, includes the pivot, still includes:

a first sleeve and a first limiting part are arranged on the side surface of one side of the first hinge sheet connected with the rotating shaft;

a second sleeve and a second limiting part are arranged on the side surface of one side of the second hinge sheet connected with the rotating shaft; the first sleeve and the second sleeve are sleeved on the rotating shaft, the first limiting part and the second limiting part are oppositely arranged on the outer circumferential surface of the rotating shaft, and limiting grooves are formed by the end parts of the first limiting part and the second limiting part and the rotating shaft in a surrounding manner;

and the bearing is sleeved on the rotating shaft and arranged between the first hinge sheet and the second hinge sheet.

In the above technical solution, preferably, the first limiting portion and the second limiting portion are arc-shaped and respectively extend outwards along the side surfaces of the first hinge sheet and the second hinge sheet, and the first limiting portion and the second limiting portion are oppositely arranged on the side surface of the rotating shaft.

In the above technical scheme, preferably, the first limiting portion and the second limiting portion are provided with limiting sleeves, the limiting sleeves are sleeved on the rotating shaft, and the outer circumferential surface of each limiting sleeve is fixed to the side surfaces of the first hinge sheet and the second hinge sheet.

In the above technical solution, preferably, the bearing is disposed between the first sleeve and the second sleeve that are adjacent to each other, between the first sleeve and the limiting sleeve that are adjacent to each other, and between the second sleeve and the limiting sleeve that are adjacent to each other. In the above technical scheme, it is preferred, the both ends of pivot are equipped with the stopper that seals of dismantling the setting, seal the stopper including cock stem and cock cap, the cock stem with first sleeve with the telescopic internal diameter looks adaptation of second, the diameter of cock cap is greater than the diameter of cock stem.

In the above technical solution, preferably, the diameter of the plug cap is adapted to the outer diameters of the first sleeve and the second sleeve.

In the above technical solution, preferably, a central angle of the limiting groove is 0 to 180 °.

In the above technical solution, preferably, the first hinge sheet and the second hinge sheet are provided with a plurality of through holes.

In the above technical solution, preferably, the first limiting portion and the second limiting portion are disposed on an opening side and/or a closing side of the first hinge sheet and the second hinge sheet.

Compared with the prior art, the utility model provides a spacing hinge through setting up the cooperation of spacing portion on first hinge piece and second hinge piece, carries on spacingly to the angle of opening and shutting of hinge piece. The rotating shaft can adopt a universal rotating shaft, the existing hinge piece production line does not need to be transformed on a large scale, and the production cost and the assembly cost of the limiting hinge are reduced. The utility model discloses in, set up the bearing on the spacing hinge, bear the axial force of hinge rotation in-process through the bearing, avoid spacing portion to receive the axial force effect to take place to warp, improved the load capacity of spacing hinge.

Drawings

Fig. 1 is a schematic view of a closed state of a middle limit hinge of the present invention;

fig. 2 is a schematic view of the extended state of the middle limit hinge of the present invention;

FIG. 3 is a front view of a first hinge plate of the present invention;

FIG. 4 is a front view of a second hinge plate of the present invention;

fig. 5 is an enlarged schematic view of a point a in fig. 2.

The correspondence between the names and reference numbers of the components in fig. 1 to 5 is as follows:

a rotating shaft 1, a first hinge plate 2, a second hinge plate 3, a bearing 4, a sealing plug 5,

the position-limiting groove (10) is provided with a limiting groove,

a first sleeve 21, a first limit part 22, a first limit sleeve 23,

a second sleeve 31, a second limiting part 32 and a second limiting sleeve 33.

Detailed Description

The utility model provides a spacing hinge, pivot can adopt general pivot, and it is less to the change of hinge production line, has reduced the manufacturing cost of spacing hinge and the assembly cost of spacing hinge. The present invention will be described in detail with reference to the drawings and the following detailed description.

As shown in fig. 1 to 5, the utility model provides a limiting hinge, including a rotating shaft 1, a first hinge plate 2 and a second hinge plate 3 which are arranged on the rotating shaft 1, and a bearing 4.

The side surface of one side of the first hinge sheet 2 connected with the rotating shaft 1 is provided with a first sleeve 21 and a first limiting part 22. The first position-limiting part 22 is arc-shaped and extends outwards along the side surface of the first hinge plate 2. The second sleeve 31 and the second limit part 32 are arranged on the side surfaces of the second hinge plate 3 connected with the rotating shaft 1. The second position-limiting portion 32 is arc-shaped and extends outwards along the side surface of the second hinge plate 3. The first hinge piece 2 and the second hinge piece 3 are provided with a plurality of through holes, so that the first hinge piece 2 and the second hinge piece 3 can be conveniently installed on the installation surface.

The first sleeve 21 and the second sleeve 31 are sleeved on the rotating shaft 1, the first limiting part 22 and the second limiting part 32 are arranged oppositely on the outer circumferential surface of the rotating shaft 1, the end parts of the first limiting part 22 and the second limiting part 32 and the rotating shaft 1 enclose a limiting groove 10, the central angle of the limiting groove 10 is 0-180 degrees, and the first hinge plate 2 and the second hinge plate 3 have different opening angles by arranging different central angles of the limiting groove 10.

The bearing 4 is sleeved on the rotating shaft 1, is arranged between the first hinge piece 2 and the second hinge piece 3, and is used for improving the bearing capacity of the limiting hinge.

The first limiting portion 22 and the second limiting portion 32 are respectively provided with a first limiting sleeve 23 and a second limiting sleeve 33, the first limiting sleeve 23 and the first limiting portion 22 are integrally arranged, and the second limiting sleeve 33 and the second limiting portion 32 are integrally arranged. First limiting sleeve 23 and second limiting sleeve 33 are sleeved on rotating shaft 1, the structural strength of the limiting portion is improved, and the limiting portion is prevented from being deformed due to axial force to affect normal use of the limiting hinge.

As shown in fig. 1, the first limiting sleeve 23 is adjacent to the second sleeve 31, the second limiting sleeve 33 is adjacent to the first sleeve 21, the bearing 4 is arranged between the adjacent first sleeve 21 and second sleeve 31, the adjacent first sleeve 21 and second limiting sleeve 33, and the adjacent second sleeve 31 and first limiting sleeve 23, and two sides of the bearing 4 are respectively abutted to the end surfaces of the sleeves, so that a good supporting effect is achieved.

The both ends of pivot 1 are equipped with the sealing stopper 5 of dismantling the setting, and sealing stopper 5 includes cock stem and cock cap, and the cock stem is greater than the diameter of cock stem with the internal diameter looks adaptation of first sleeve 21 and second sleeve 31, the diameter of cock cap. The diameter of the plug cap is adapted to the outer diameter of the first sleeve 21 and the second sleeve 31. The sealing plug 5 is detachably arranged, so that the first hinge plate 2 and the second hinge plate 3 can be conveniently arranged on the rotating shaft 1.

The working process of the utility model is as follows:

the first limiting part 22 and the second limiting part 32 can be arranged on the unfolding side and/or the closing side of the limiting hinge, and when the first limiting part 22 and the second limiting part 32 are arranged on the unfolding side of the limiting hinge, the limiting groove 10 can limit the unfolding angle of the limiting hinge; when the first limiting portion 22 and the second limiting portion 32 are arranged on the closing side of the limiting hinge, the limiting groove 10 limits the closing angle of the limiting hinge.

In the present embodiment, only the first stopper portion 22 and the second stopper portion 32 are provided on the expansion side of the stopper hinge as an example.

As shown in fig. 1, the first hinge plate 2 and the second hinge plate 3 are rotated toward each other until the position-limiting hinge is closed, and the opposite ends of the first position-limiting portion 22 and the second position-limiting portion 32 form an arc-shaped position-limiting groove 10 on the side surface of the rotating shaft 1.

As shown in fig. 2 and 5, the first hinge sheet 2 and the second hinge sheet 3 rotate back to the limit hinge to unfold, opposite ends of the first limit portion 22 and the second limit portion 32 abut against each other, and at this time, the angle of unfolding of the first hinge sheet 2 and the second hinge sheet 3 is the same as the central angle of the limit groove 10.

Compared with the prior art, the utility model provides a spacing hinge, simple structure, the equipment is convenient, and is through setting up the spacing cooperation of portion on first hinge piece and second hinge piece, carries on spacingly to the angle of opening and shutting of hinge piece. The rotating shaft can adopt a universal rotating shaft, the existing hinge piece production line does not need to be transformed on a large scale, and the production cost and the assembly cost of the limiting hinge are reduced.

The utility model discloses, set up the bearing on the spacing hinge, bear the axial force of hinge rotation in-process through the bearing, avoid spacing portion to receive the axial force effect to take place to warp, play the effect of bearing power on the one hand, improved the bearing capacity of hinge, on the other hand improves the inseparable degree of being connected of hinge piece and bearing, and the pivot is little with the seam area that exposes of hinge piece, avoids hinge piece and pivot to corrode, influences the life of hinge.

The utility model discloses, spacing portion can set up the expansion side and/or the closed side at the hinge piece, through setting up the spacing portion at the different sides, can realize that the hinge piece expandes the spacing of angle and closed angle.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims

1. The utility model provides a spacing hinge, its characterized in that, including the pivot, still includes:

2. The limit hinge according to claim 1, wherein the first limit portion and the second limit portion are arc-shaped, and extend outward along the side surfaces of the first hinge piece and the second hinge piece, respectively, and are oppositely disposed on the side surface of the rotating shaft.

3. The limiting hinge according to claim 2, wherein the first limiting portion and the second limiting portion are provided with limiting sleeves, the limiting sleeves are sleeved on the rotating shaft, and the outer circumferential surfaces of the limiting sleeves are fixed to the side surfaces of the first hinge plate and the second hinge plate.

4. The spacing hinge according to claim 3, wherein said bearings are disposed between adjacent said first sleeve and said second sleeve, between adjacent said first sleeve and said spacing sleeve, and between adjacent said second sleeve and said spacing sleeve.

5. The limiting hinge according to claim 1, wherein the two ends of the rotating shaft are provided with sealing plugs which are detachably arranged, each sealing plug comprises a plug rod and a plug cap, the plug rods are matched with the inner diameters of the first sleeve and the second sleeve, and the diameters of the plug caps are larger than the diameter of the plug rods.

6. The retaining hinge according to claim 5, characterized in that said plug cap has a diameter adapted to the outer diameter of said first sleeve and of said second sleeve.

7. The limit hinge according to claim 1, wherein the central angle of the limit groove is 0 to 180 °.

8. The limit hinge according to claim 1, wherein the first hinge plate and the second hinge plate are provided with a plurality of through holes.

9. The spacing hinge according to claim 1, wherein said first and second spacing portions are disposed on the open side and/or the closed side of said first and second hinge pieces.