KR20170080362A

KR20170080362A - Insert type hinge

Info

Publication number: KR20170080362A
Application number: KR1020150191860A
Authority: KR
Inventors: 이지원
Original assignee: 이지원
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2017-07-10
Also published as: KR101843071B1

Abstract

The present invention relates to a hinge for a door, wherein a coupling hole (30) is coupled and fixed to a lower end of a support shaft (20) for supporting both side plates (10) constituting a hinge, The coupling rod 32 having the concave and convex portions 34 formed at the center of the support shaft 31 is protruded and formed so that the coupling between the support shaft 20 and the plate body 10 can be performed without machining such as screwing, will be.
According to the present invention, not only the manufacturing process of the hinge can be drastically simplified, but also the manufacturing process of the support shaft 20 itself constituting the hinge can be simplified and the production cost of the hinge can be reduced.

Description

INSERT TYPE HINGE}

The present invention relates to a hinge for a door, wherein a coupling hole (30) is coupled and fixed to a lower end of a support shaft (20) for supporting both side plates (10) constituting a hinge, The coupling rod 32 having the concave and convex portions 34 formed at the center of the support shaft 31 is protruded and formed so that the coupling between the support shaft 20 and the plate body 10 can be performed without machining such as screwing, will be.

A pair of plate bodies 10 attached to the doors and the door frame respectively and hinges constituted by the support shafts 20 coupling the plate bodies 10 to each other and performing the function of the rotary shafts, And a related art conventional utility model registration No. 358042 can be mentioned.

The conventional hinge including the utility model registration No. 358042 has a structure in which the shaft holes 15 formed in the both side plates 10 constituting the hinge are aligned and combined so as to be planarly concentric, A method of inserting a screw into the upper end of the support shaft 20 exposed above the uppermost axial hole 15 after inserting the support shaft 20 formed with the enlarged diameter portion 21 into the aligned shaft hole 15 from the lower side to the upper side, The conventional hinge assembled as described above prevents the release of the plate body 10 through the neck portion 21 at the lower end of the support shaft 20 and the head portion 22 of the screw fastened to the upper end of the support shaft 20 do.

Such conventional hinge causes the following problems in the manufacturing process of the supporting shaft 20 as well as the assembling process.

A complicated process of joining the screw to the upper end of the support shaft 20 in the state where the support shaft 20 is inserted into the shaft hole 15 of the aligned plate body 10 is required. 20) are rotated together to deteriorate workability.

In addition, the enlarged diameter portion 21 should be formed at the lower end of the support shaft 20 so as to prevent the release of the plate 10, and the support shaft 20 may be simply formed as a rod or a tube There is a problem that a complicated process for forming the diameter portion 21 is required.

In the case of the conventional hinge in which the enlarged diameter portion 21 is formed at the lower end of the support shaft 20, the diameter of the enlarged diameter portion 21, the entire supporting shaft 20 can not be plated. Thus, a great amount of cost is wasted in the process of plating the outer circumferential surface of the support shaft 20, which does not require a plating process.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems and has an object to provide a hinge for a door comprising a plate body 10 attached to a door and a door frame respectively and a support shaft 20 coupled to the shaft hole 15 at the end of the plate body 10 A coupling hole 30 is formed in the coupling hole 25 at both ends of the support shaft 20 and a coupling hole 30 is formed in the coupling hole 30 at both ends of the coupling shaft 30, Shaped projection 31 having a diameter equal to or greater than the outer diameter of the support shaft 20 and a coupling rod 32 protruding from the central portion of the condenser 31. The coupling shaft 32 has a support shaft 20 And the protruding portion 33 is formed on the outer circumferential surface of the engaging rod 32 leading to the guiding portion 33 from the joining portion of the engaging rod 32 and the expanding plate 31 And the outer diameter of the concave and convex portion 34 is less than the outer diameter of the support shaft 20 with respect to the inner diameter of the coupling hole 25. [ It is a press fitting type hinge.

According to the present invention, not only the manufacturing process of the hinge can be drastically simplified, but also the manufacturing process of the support shaft 20 itself constituting the hinge can be simplified and the production cost of the hinge can be reduced.

Particularly, the upper end coupling portion 30 and the lower end coupling portion 30 of the support shaft 20, which are exposed to the outside from the finished hinge, are completely separated from the support shaft 20, 21 can be integrally formed with the support shaft 20 to greatly reduce the surface area of the plating compared with the prior art in which the entire support shaft 20 has to be plated, thereby reducing the cost of the plating process .

FIG. 1 is a schematic diagram of a conventional hinge assembly method
2 is an exploded perspective view of the present invention
Fig. 3 is a schematic view of a support shaft assembly method according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 is a perspective view showing a main structure of the present invention. As shown in FIG. 2, the present invention includes a plate 10 attached to a door and a door frame, The hinge for a door of the present invention is characterized in that a coupling hole 30 is coupled to an upper end and a lower end of a support shaft 20 so that a deviation of a plate body 10 coupled to a support shaft 20 is suppressed .

That is, in the present invention, the support shaft 20 is composed of a simple rod or tube without an enlarged diameter portion 21, and at both ends of the support shaft 20, 25 are formed at the both ends of the support shaft 20 and the coupling holes 30 are respectively engaged and fixed to the coupling holes 25 at both ends of the support shaft 20 so that the support shaft 20 itself is not exposed to the outside in the finished hinge, The upper and lower engagement holes 30 of the support shaft 20, which is a structure exposed by the support shaft 20, are completely separated from the support shaft 20.

Therefore, since only the coupling hole 30 separated from the supporting shaft 20 can be plated, the plating surface area can be greatly reduced, and the cost for plating can be drastically reduced.

Particularly, in the present invention, the support shaft 20 and the coupling hole 30 are not fixed to each other by a simple coupling method such as a screw coupling, 32 are formed in a part of the outer circumferential surface and press-fitted into the outer circumferential surface of the engaging hole 25 in the process of engaging the engaging hole 25 of the engaging hole 30, can do.

That is, as shown in the enlarged portion of FIG. 2, the coupling member 30 coupled to the support shaft 20 of the present invention has a disc-shaped extended mirror 31 having a diameter equal to or larger than the outer diameter of the support shaft 20, And an induction portion 33 having a diameter coinciding with the engaging hole 25 of the support shaft 20 is formed at the distal end portion of the engaging rod 32, The concave and convex portions 34 are repeatedly formed on the outer circumferential surface of the coupling rod 32 leading to the guiding portion 33 from the joining portion of the rod 32 and the raising and lowering cam 31, As shown in FIG. 3, when the support shaft 20 and the coupling hole 30 are engaged with each other, the outer diameter of the coupling hole 30 is smaller than the inner diameter of the coupling hole 30, The concave portions 34 of the coupling holes 30 and the coupling holes 25 of the supporting shafts 20 are tightly coupled with each other as the attachment portions repeatedly formed on the support shaft 34 are pressed into the outer peripheral surface of the coupling hole 25 of the support shaft 20. [ And that it will be merged.

3, the outer diameter of the concave and convex portion 34 is formed to be less than the outer diameter of the inner diameter and support shaft 20 of the coupling hole 25, and the outer diameter of the coupling rod 32 Of the engaging hole 25 of the engaging hole 30 and the engaging hole 25 of the engaging hole 30 of the engaging hole 30 of the engaging hole 30 of the engaging hole 30, A rigid coupling between the coupling hole 30 and the support shaft 20 is achieved while the coupling hole 25 of the support shaft 20 is deformed.

Particularly, the guide portion 33 formed at the tip of the coupling rod 32 is manufactured so that the inner diameter and the outer diameter of the coupling hole 25 coincide with each other and the coupling hole 25 of the coupling shaft 32 of the coupling rod 30 The coupling shaft 30 and the support shaft 20 are guided so as to be accurately inserted while maintaining a planarly concentric state because the coupling rod 32 of the coupling hole 30 and the support shaft 20 When the eccentricity or tilting occurs between the center of the coupling hole 25 of the coupling hole 30 and the coupling hole 25 of the coupling shaft 30, the coupling hole 25 is excessively deformed in the process of pressing the coupling hole 25 of the concave- 20) adhesion strength between the two layers.

The upper limit of the outer diameter of the recessed portion 34 may be set to be less than the outer diameter of the support shaft 20 in theory. However, when the outer diameter of the recessed portion 34 is excessive, It is preferable that the difference between the outer diameter of the concave-convex portion 34 and the inner diameter of the coupling hole 25 of the support shaft 20 is set to 4 mm or less.

3, a seating portion 35 is formed on the side surface of the joining bar 32 of the beam expanding mirror 31 so that the tip end of the support shaft 20, as shown in the right- The seat portion 35 of the diffusing mirror 31 can be stably fixed.

10:
15: Slippery
20: Support shaft
21:
22: Tofu
25: Coupling ball
30:
31: Shake up
32: Coupling rod
33:
34:
35:

Claims

A hinge for a door comprising a plate body (10) attached to a door and a door frame respectively and a support shaft (20) coupled to a shaft hole (15) at an end of the plate body (10)
A coupling hole 25 is formed at both ends of the support shaft 20 and a coupling hole 30 is coupled and fixed to the coupling hole 25 at both ends of the support shaft 20,
The coupling member 30 includes a disc-shaped extended-radius mirror 31 having a diameter equal to or larger than the outer diameter of the support shaft 20;
And a coupling rod (32) protruding from the center of the beam expander (31);
A guide portion 33 having a diameter coinciding with the engaging hole 25 of the support shaft 20 is formed at the distal end of the engaging rod 32;
The concave and convex portions 34 are formed on the outer circumferential surface of the coupling rod 32 leading to the guiding portion 33 from the joining portion of the joining rod 32 and the raising and lowering portion 31, 34) is less than the outer diameter of the support shaft (20) with respect to the inner diameter of the coupling hole (25).