KR20170063106A

KR20170063106A - Hinge device for cover of rotary type soup oven

Info

Publication number: KR20170063106A
Application number: KR1020150169096A
Authority: KR
Inventors: 윤명관
Original assignee: 윤명관
Priority date: 2015-11-30
Filing date: 2015-11-30
Publication date: 2017-06-08
Also published as: KR101758330B1

Abstract

The present invention relates to a cover hinge apparatus for a rotary cooker, and more particularly, to a cover hinge apparatus for a rotary cooker which can open and close a lid of a rotary cooker which is manufactured in a large capacity without requiring a large amount of force, And more particularly, to a cover hinge apparatus for a rotary cooker which can improve efficiency.
According to the present invention, a rotary drum for controlling the rotary opening and closing operation of the lid in a state in which it is coupled to one side of a lid provided on a rotary kiln to open or close the upper end of the opening of the lid body. A hinge stand for supporting the rotary drum in a state where the rotary drum is rotatably hinged and fixed to one side of the rotary kiln adjacent to the upper end of the opening of the pot body; A plurality of assist holders guiding the rotary drum to be pivoted in a state of being supported by the hinge stand as the hinge stand is inserted and assembled so as to penetrate through both longitudinal end sides of the rotary drum; And a plurality of tension springs which are accommodated in each of the assist holders to apply an unidirectional rotational force to the rotating drum to open and close the cover.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hinge device for a rotary cooker,

The present invention relates to a cover hinge apparatus for a rotary cooker, and more particularly, to a cover hinge apparatus for a rotary cooker which can open and close a lid of a rotary cooker which is manufactured in a large capacity without requiring a large amount of force, And more particularly, to a cover hinge apparatus for a rotary cooker which can improve efficiency.

An institutional food service is defined as the provision of continuous meals to a specific number of people at a factory, workplace, school, hospital, dormitory, or social welfare facility for non-profit purposes.

Thus, in order to provide a continuous meal to a large number of people, a mass cooking technique is utilized, and since the amount of food to be cooked at one time is large, a large cooking device .

The above-described mass cooker can be broadly divided into equipment used for purchasing and inspection according to the process of food production, equipment used for storage and storage, a pretreatment device, a cooking device, a conveying and feeding device, and a cleaning and disinfecting device, A rotary cooker (rotary type soup oven) is mainly used as a heating cooker for cooking food by applying heat from the above cooking apparatus.

On the other hand, in a restaurant having a main menu such as a soup (hot water) such as a suldong tang, the rotary cooker is used for the purpose of preparing a large amount of hot water for a long time and for disturbing the soup for a long time.

As shown in FIG. 1, the pottery 900 includes a hemispherical pot body 910 having an accommodation space for containing various food ingredients therein and an upper end thereof opened; A lid 920 for opening and closing the opening of the pot body 910; And a burner 930 for applying heat to the pot body 910 to heat and cook the ingredients contained in the cooking cavity.

The cooker main body 910 has a structure in which food can be easily emptied by rotating the cooker body 910 in one direction using a rotating means 940 including a rotating shaft 941 and a handle 942. The cover 920 Is configured to be folded in half by the hinge 960 when it is rotated (opened) upward by using the handle 950 provided for the convenience of opening and closing.

However, as described above, due to the structure of the rotary cooker produced in a large size, the weight of the lid 920 formed to have a size equal to or larger than that of the cooker main body 910 is considerable Considerable force is required to open the cover 920 to transfer the cooked hot water or soup into the bowl. For this reason, those who are weak in physical strength such as women and physically outdoors can hardly open or close the lid 920.

In order to solve all of these problems, Korean Patent Laid-Open No. 10-2010-0067836 discloses a lid opening / closing apparatus for a domestic cauldron which can easily and simply open and close a large and heavy lid with a small force, It only focused on improving the ease of opening the lid by using the spring tension, but did not provide convenience for each user.

For example, when the user rotates the lid in one direction, it is not possible to adjust the force required for the opening / closing operation as much as the user wants, and also because the control of the rotation speed of the lid during opening and closing operation is also impossible. (Hereinafter referred to as "cover") for each user has caused a considerable inconvenience in opening and closing the lid.

Korean Patent Publication No. 10-2010-0067836 (Published Date: June 22, 2010)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a rotation control member which interferes with a rotation motion of a rotary drum for controlling opening and closing operations of a lid, And an opening angle can be adjusted by controlling the opening and closing operation of the cover hinge apparatus.

It is a further object of the present invention to provide a tension control device for a vehicle which is provided with a tension adjuster which changes the elasticity (repulsive force) of a tension spring for applying a rotational force to the rotary drum to perform a rotary opening / closing operation of the lid, The present invention provides a lid hinge device for a rotary cooker which can easily open and close the lid even when a minimum amount of force is applied.

According to another aspect of the present invention, there is provided a lid hinge apparatus for a lid of a rotary kiln for opening and closing a lid provided to open or close an upper end of an opening of a pot body, A rotating drum for controlling the rotary opening and closing operation of the lid; A hinge stand for supporting the rotary drum in a state where the rotary drum is rotatably hinged and fixed to one side of the rotary kiln adjacent to the upper end of the opening of the pot body; A plurality of assist holders guiding the rotary drum to be pivoted in a state of being supported by the hinge stand as the hinge stand is inserted and assembled so as to penetrate through both longitudinal end sides of the rotary drum; And a plurality of tension springs which are accommodated in each of the assist holders to apply a one-way rotational force to the rotating drum to perform the opening and closing operations of the lid.

The hinge stand further includes a rotation control member for adjusting the opening and closing angle of the lid by stepping the rotational range of the rotating drum.

And a tension adjusting unit for adjusting the tension of the tension spring so that the rotational speed and the opening and closing force of the lid can be increased or decreased by using a rotational force deviation applied to the rotating drum in a state further provided in the hinge stand .

In addition, the rotating drum has a pipe shape in which a hollow capable of receiving the tension spring is formed in a longitudinal direction, and an inner wall having a central through hole having a diameter smaller than that of the hollow is protruded, Wherein the upper and lower portions of the inner wall are respectively formed with through holes through which the opposing tip ends of the tension springs facing each other as housed in the assist holders can be fitted and fixed, A plurality of step grooves radially arranged around the hollow are formed inwardly in order to enable the stepwise adjustment of the opening and closing angle of the cover by interfering with the rotational motion of the rotary drum by the rotation control member.

In addition, the hinge stand is bar-shaped so that it can be assembled in a stationary manner at any position of the rotary kiln pot near the upper end of the opening of the pot body,

And a plurality of supporting members which are integrally formed at both ends of the vertical bent portion from both sides of the supporting member and which are respectively in close contact with both end surfaces in the longitudinal direction of the rotating drum, Wherein the supporting ring is formed with a plurality of support rings in the form of a ring capable of being axially coupled to the rotating drum, A plurality of first assembling holes for mounting are formed.

The assist holder may include a holder portion that is fittable into the rotary drum and that has an accommodation space for accommodating the tension spring internally, and a holder portion that is formed continuously from the holder portion and is in close contact with the outer surface of the hinge stand And the head portion is formed of a head portion having a stepped edge. The head portion is configured to prevent detachment of the tension spring as the inside becomes airtight, unlike the holder portion, Insertion holes are formed in which the mutually opposing side ends of the tension springs are fitted and fixed to the rotating drum.

In addition, the rotation control member may include a locking ball for alternately inserting the plurality of step grooves into the step grooves during the rotation of the rotating drum to divide the turning radius of the rotating drum in a stepwise manner, And a tongue bolt for preventing the locking ball and the elastic spring from separating from each other.

The support ring may include a second assembly hole penetrating from a part of the outer periphery of the support ring to the inner through hole so as to be embedded in the second assembly hole, A plurality of stopper bolts protruding from the stopper bolts and a plurality of protrusions formed around the holders of the assist holder to be inserted into the pivoting drums to prevent the rotation of the assist holder through the insertion of the tip ends of the stopper bolts, To be maintained.

As can be clearly understood from the above description, the lid hinge device of the rotary cooker of the present invention has the effect of suppressing indiscreet opening and closing operations of the lid due to the improvement of the rotary motion accuracy of the rotary drum by the rotation control member, It is possible to adjust and adjust the opening angle of the lid to the setting angle and to maintain the setting, so that the convenience of using the rotary cooker is greatly increased.

In addition, by adjusting the repulsive force of the tension spring by the tension adjusting unit, it is possible to increase or decrease the rotational force of the rotary drum to which the spring elasticity is imparted so that the operation of opening / closing the cover by the rotary drum So that it is possible to increase the usability without imposing a burden on the work of opening and closing the cover at any time.

At the same time, through the achievement of various kinds of effects as in the past, it is convenient for the woman or the person who is in the physical condition to use the rotary cooker, thereby providing an environment to concentrate on making better dishes, It is a very useful invention that can contribute greatly to lowering the incidence of safety accidents (burns, etc.).

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a structure of a conventional rotary cooker and an opening / closing operation relationship of a lid. Fig.
2 is a perspective view showing the entire structure of a lid hinge apparatus for a rotary cooker according to the present invention;
3 is an exploded perspective view showing a constitutional relationship of a cover hinge apparatus for a rotary cooker according to the present invention.
4 is a front sectional view showing the internal structure of a lid hinge apparatus for a rotary cooker according to the present invention.
FIG. 5 is an exploded perspective view showing the constitution of a rotating drum and a hinge stand in a lid hinge apparatus of a rotary kiln pot according to the present invention. FIG.
6 is an enlarged side view showing a side structure of a rotating drum in a lid hinge apparatus for a rotary kiln pot according to the present invention.
FIG. 7 is an enlarged cross-sectional view taken along the line BB of FIG. 4 showing the configuration of the hinge stand, the assist holder, and the tension adjusting portion in the lid hinge apparatus of the rotary cooker cooker according to the present invention.
FIG. 8 is an enlarged cross-sectional view of the CC line of FIG. 4 showing the operating relationship of the rotating drum in the lid hinge apparatus of the rotary kiln pot according to the present invention.
9 is a use state view showing an embodiment of a lid hinge apparatus for a rotary cooker according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. First, in adding reference numerals to the constituents of the drawings, it is to be noted that the same constituents are denoted by the same reference numerals as much as possible even if they are displayed on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 2 is an exploded perspective view showing the entire structure of a cover hinge apparatus for a rotary cooker according to the present invention, FIG. 3 is an exploded perspective view showing a constitutional relationship of a cover hinge apparatus for a rotary cooker cooker according to the present invention, FIG. 5 is a front view showing the configuration of a rotary drum and a hinge stand in a lid hinge apparatus for a rotary kiln pot according to the present invention, and FIG. FIG. 7 is a side view showing the configuration of the hinge stand, the assist holder, and the tension adjusting unit in the lid hinge apparatus for a rotary cooker according to the present invention. FIG. 7 is a side elevational view showing a side surface structure of the rotary drum in the lid hinge apparatus according to the present invention. Fig. 8 is an enlarged cross-sectional view taken along the line BB of Fig. 4 showing the operation of the rotating drum in the lid hinge apparatus of the rotary kiln according to the present invention. Embellish a line C-C enlarged sectional view of Figure 4, Figure 9 is a using state diagram illustrating an embodiment of door hinge device of a rotary guksot according to the invention.

As shown in FIG. 2, the lid hinge apparatus A of the rotary cooker according to the present invention includes a lid (not shown) A rotatable drum 1 rotatably hinged to the rotatable drum 1 while being rotatably hinged to the rotatable drum 1; The hinge stand 2 stably supporting the hinge stand 1 and the hinge stand 2 so as to penetrate the hinge stand 2 from both longitudinal ends of the rotating drum 1, A plurality of assist holders 3 for guiding the shaft 3 to rotate axially while being supported by the support shaft 2 and a one-way rotational force is applied to the rotary drum 1 in a state of being housed in each of the assist holders 3 And the opening of the cover It includes a plurality of tension springs 4 going to the lifting operation.

As shown in FIG. 3, the rotation range of the rotary drum 1 is further stepwise provided in the hinge stand 2 so that the opening and closing operation of the lid can be precisely controlled, and the angle of opening and closing can be adjusted And a rotation speed and an opening and closing force of the lid using the rotational force deviation imparted to the rotary drum 1 through adjustment of the elasticity (repulsion force) of the tension spring 4 And a tension adjusting unit 6 for adjusting the tension of the tension member 6 so that the tension can be adjusted.

The center pipe 7 is provided across the longitudinal direction of the rotary drum 1 so that both sides of the assist holder 3 are accommodated in the same time so that the assembly state between the components is firmly maintained. It is preferable that it can further include.

The rotary drum 1 is a reference point rotary movement for unidirectionally rotating opening / closing action of the lid which is opened or closed so as to open or close the upper end of the pot body opening of the rotary kiln pot. As shown in Fig. 4, And the center pipe 7 are accommodated together with the hollow portion 1a in the longitudinal direction.

An inner wall 1a-1 through which a central through hole 1a-11 having a diameter smaller than that of the hollow 1a is protruded is formed at the middle point of the hollow 1a. The inner wall 1a- 8, the lower end portion is provided with a plurality of insertion holes (not shown) that are capable of fitting the opposite end portions of the plurality of tension springs 4, which are received in the assisting holders 3, respectively, 1a to 12, respectively. This is because the tension spring 4 is engaged with the rotary drum 1 so that the force necessary for the rotary opening and closing action of the lid is increased by the one-way rotational force of the rotary drum 1, which is exerted by the spring elasticity .

A mounting wing (11) which is in close contact with a circumferential surface of the lid is protruded in front of the outer periphery (outer circumference surface) so as to be parallel to the longitudinal direction, A protrusion 12 is formed on the rear part of the hinge stand 2 to be further rotated by a limiting jaw protruding from a support of a hinge stand 2 which will be described later.

As shown in Figs. 5 and 6, a plurality of step grooves 13 radially arranged around the hollow portion 1a are formed inwardly on both end surfaces in the longitudinal direction. This is to enable the opening and closing operation of the lid to be precisely controlled in accordance with the rotational movement interference of the rotary drum 1 by the rotation control member 5 and also to enable the stepwise adjustment of the opening angle.

It is preferable that a round panel 111 having a curvature equal to that of the outer circumferential round of the lid is further provided on the upper side of the mounting wing 11. This is for the purpose of enabling the joining type coupling of the rotating drum 1 to be compatible with the adopted circumferential size of the pot body.

The hinge stand 2 is a rotation guide means for supporting and rotating the rotary drum 1 smoothly. As shown in Fig. 5, the hinge stand 2 includes a rotary cooker And the front ends of both sides are vertically bent so that the "

(21) formed integrally on both ends of a vertically bent portion from both sides of the support base (21) and closely attached to the longitudinal end face of the rotation drum (1), and the assist holder And a support ring 22 in the form of a ring capable of axial coupling of the rotary drum 1 through the through-hole of the rotary drum 3.

A limiting jaw 211 for interfering with the projection 12 protruding from a rear portion of the outer periphery of the outer periphery of the rotary drum 2 to intercept the rotation of the rotary drum 2 from the center of the inner surface of the supporting table 21 Is protruded.

The lower part of the supporter 21 can be fastened and assembled by using a separate bolt on the side surface of the supplementary apparatus of the rotary cooker and can be fastened and assembled using another bolt while the supporter 21 is seated The brackets 212 may be further included.

The structure of the bracket 212 for this purpose is such that a vertical end portion 212-1 that is in close contact with the side surface of the attachment device and a horizontal end portion 212-1 at which the support member 21 is seated on the upper end, .

The support ring 22 is provided with a plurality of first assembling holes 221 for accommodating and accommodating the rotation control member 5 necessary to adjust the opening and closing angle of the lid by interfering with the rotational motion of the rotating drum 1 And is formed through the four sides.

The assist holder 3 is a rotary shaft which allows the shaft to rotate in a state where the rotary drum 1 is supported by the hinge stand 2. The assist holder 3 is a hollow shaft of the hollow drum 1, A holder portion 31 provided inside with a receiving space 31a for accommodating the tension spring 4 while being fittable into the holder portion 1a-11, And a head portion 32 having a step formed in contact with the outer surface of the support base 21 of the hinge stand 2.

Unlike the holder 31, the head part 32 has a closed structure to prevent the tension spring 4 and the center pipe 7 from being separated from the center pipe 7, A center hole 32a for receiving a part of the tension spring 4 is formed inwardly from the inner end surface at a predetermined depth and on the upper and lower sides of the inner end surface of the center hole 31a, And the insertion holes 32b, which are inserted into the opposite side front end portions and fixed to the rotating drum 1, are formed inwardly so as to have a certain depth, respectively.

Further, on the outer end face, as shown in Fig. 2, one or more wrench grooves 32c are formed inwardly. This allows the position of the insertion hole 32b to be changed by rotating the assist holder 3 in both directions by using a separate tool that can be attached to the wrench groove 32c, So that the rotational force applied to the rotating drum 1 is changed by increasing or decreasing the repulsive force.

The tension spring 4 is a means for imparting a rotational force by spring elasticity to the rotating drum 1 so as to facilitate the opening and closing action of the lid according to the one-directional rotational movement of the rotating drum 1, And an insertion shaft portion 41 capable of being inserted into the insertion hole 1a-12 of the rotary drum 1 and the insertion hole 32b of the assisting holder 3 is formed on both sides As shown in Fig.

The rotation control member 5 is a means for precisely performing an opening and closing operation of the lid opened and closed by the rotary drum 1 and at the same time making it possible to adjust the opening and closing angles of the lid in various ways, The protruding portion is partially protruded in a state in which it is first inserted into the first assembly hole 221 formed through the support ring 22 of the hinge stand 2 as shown in FIGS. 4 and 5, The plurality of step grooves 13 formed on both end surfaces of the rotary drum 1 and the plurality of step grooves 13 formed on the opposite end surfaces of the rotary drum 1, A locking ball 51 for gradually dividing the turning radius of the rotary drum 1 due to rotational movement interference of the locking bolt 1 and a locking bolt 51 inserted into the first fitting hole 221, An elastic spring (52) having a positive output, And a tongue bolt (53) for preventing the locking ball (51) and the resilient spring (52) from being separated from each other in accordance with threaded fastening that is embedded in the tongue (221).

The tension adjusting portion 6 is means for changing the rotational force applied to the rotating drum 1 by the change of the repulsive force (elasticity) through the shape deformation of the tension spring 4, A second assembly hole 61 extending from a portion of the outer circumference of the support ring 22 to the inner passage hole so as to be penetrated into the second assembly hole 61 so as to be screwed into the support ring 22 A plurality of stopper bolts 62 protruding from the inner through holes of the assist holder 3 at predetermined intervals along the circumference of the holder 31 of the assist holder 3, And a plurality of position holes 63 for preventing rotation of the elastic springs 3 so that the repulsive force of the elastic springs 4 is maintained.

Hereinafter, the operation of the lid hinge apparatus A of the rotary cooker according to the present invention will be described in detail.

9, the hinge device A according to the present invention constructed as described above is connected to a rotary cooker to open and close the upper end of the cooker main body 910 of the rotary cooker 900 The operation of the rotary cover 920 is controlled.

That is, the lid 920 is opened and closed in order to transfer the food (such as soup or pot) cooked by the cooking of the pot body 910 by the burner 930 into a separate bowl. To this end, The user grasps and lifts the handle provided in the handle 920 by the hand.

As a result, the lid 920 is operated to be opened and closed with reference to one side by the rotating drum 1, which rotates along the lid 920. At this time, the repulsive force exerted from the tension spring 4 The upper end of the opening of the pot body 910 can be opened by rotating the lid 920 without applying a large force to the rotary drum 1 by applying a one-directional (upward) rotational force thereto.

In order to close the upper end of the pot body 910 with the lid 920 after the upper end of the open end of the pot body 910 is opened and the food is transferred to the vessel, 920). In this case as well, due to the repulsive force exerted from the tension spring 4, the rotary drum 1 exerts a one-directional rotational force, so that the lid 920 having a considerable weight So that it is possible to prevent the device from being broken due to the impact and the occurrence of the safety accident in advance.

The opening angle of the lid 920 can be changed according to the above description. The opening angle of the lid 920 can be changed by inserting the lid 920 into any one of the plurality of step grooves 13 formed on both end surfaces in the longitudinal direction of the rotating drum 1, And the locking hole 51 of the rotation control member 5 is moved to the same position as the first assembly hole 221 in the state where the opening is stopped after the forced release in the rotation process of the lid 920, The opening angle of the lid 920 can be maintained as it is by inserting the locking ball 51 into the opening 13.

By adjusting the repulsive force exerted from the elastic spring 4 during the opening and closing operation of the lid 920, the rotational force applied to the rotating drum 1 is changed to adjust the opening / closing force of the lid 920 .

The stopper bolt 62 screwed into the second assembly hole 61 is loosened so that the projecting end of the stopper bolt 62 comes out of the position hole 63, The insertion shaft portion 41 of the elastic spring 4 inserted into the insertion hole 32b formed in the inside of the head portion 32 by the rotation operation of the assist holder 3 through the rotary shaft 3 So that the rotational force applied to the rotating drum 1 is increased or decreased due to a change in the spring repulsive force caused by the elastic deformation of the elastic spring 4.

Thereafter, the position of the stopper bolt (62) is changed so that the stopper bolt (62) is inserted into another position hole (63) aligned with the second assembly hole (61) 62 to prevent rotation of the assist holder 3, so that the repulsive force of the elastic spring 4 is maintained.

The opening and closing operation of the lid 920 which opens or closes the upper end of the opening of the pot body 910 of the rotary cooker 900 is performed by a woman or a woman using the lid hinge apparatus A according to the present invention, Even if the person is physically large, it can be easily opened and closed.

In addition, the opening / closing operation of the lid 920 can be performed more precisely by using the rotation control member 5, and the opening and closing angle can be adjusted and the adjusted state can be maintained. By using the tension adjusting unit 6, the opening and closing force of the lid 920, which is opened and closed in a rotary manner, can be adjusted by opening and closing the lid 920 while minimizing the force. have.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. will be. Therefore, the embodiments disclosed in the present invention and the accompanying drawings are intended to illustrate and not to limit the technical spirit of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings . The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of the claims should be construed as being included in the scope of the present invention.

A: a hinge device, 1: a rotating drum, 2: a hinge stand
1a: hollow, 1a-1: inner wall, 1a-11: central opening
1a-12: insertion hole, 3: assisting holder, 4: tension spring
5: rotation control member, 6: tension adjusting portion, 7: center pipe
11: mounting wing, 12: projection, 13: step groove
21: support member, 22: support ring, 31: holder portion
31a: accommodation space, 32: head portion, 32a: central hole
32b: insertion hole, 32c: wrench groove, 41: insertion shaft portion
51: locking ball, 52: elastic spring, 53: tongue bolt
61: second assembler, 62: stopper bolt, 63: position hole
111: round panel, 211: limiting jaw, 212: bracket
212-1: vertical end. 212-2: horizontal end, 221: first assembly

Claims

A lid hinge apparatus for a rotary cooker for opening and closing a lid provided to open or close an opening top of a pot body,
A rotating drum for controlling the rotary opening and closing operation of the lid in a state of being coupled to one side of the lid;
A hinge stand for supporting the rotary drum in a state where the rotary drum is rotatably hinged and fixed to one side of the rotary kiln adjacent to the upper end of the opening of the pot body;
A plurality of assist holders guiding the rotary drum to be pivoted in a state of being supported by the hinge stand as the hinge stand is inserted and assembled so as to penetrate through both longitudinal end sides of the rotary drum; And
And a plurality of tension springs which are accommodated in each of the assist holders to apply an unidirectional rotational force to the rotating drum to perform opening and closing operations of the lid.

The method according to claim 1,
Further comprising a rotation control member for adjusting the opening and closing angle of the lid by stepping the rotation range of the rotation drum in a state further provided in the hinge stand.

The method according to claim 1,
And a tension adjusting unit for adjusting the tension of the tension spring so that the rotational speed and the opening and closing force of the lid can be increased or decreased by using a rotational force deviation applied to the rotating drum in a state further provided in the hinge stand Wherein the cover hinge device comprises:

The method according to claim 1,
The rotating drum is in the form of a pipe having a hollow through which the tension spring can be internally received,
An inner wall through which a central through hole having a diameter smaller than that of the hollow penetrates is protruded and formed at an intermediate point of the hollow,
And upper and lower portions of the inner wall are respectively formed with through holes for receiving and fixing the opposite ends of the tension springs facing each other as they are internally received in the assist holders,
Each of the longitudinally opposite end surfaces is provided with a plurality of step grooves radially arranged around the hollow in order to enable the stepwise adjustment of the opening / closing angle of the cover by interfering with the rotational motion of the rotating drum by the rotation control member Wherein the cover hinge is formed inwardly.

The method according to claim 1,
The hinge stand is bar-shaped so that it can be assembled in a stationary manner at any position of the rotary cooker close to the upper end of the cooker main body. The both ends of the hinge stand are vertically bent,

"A support structure having a mold structure,
And a ring which is integrally formed at each end of the vertically bent portion from both sides of the support and which is in close contact with both end surfaces in the longitudinal direction of the rotary drum and is capable of axial engagement of the rotary drum through the through- In addition to being composed of a plurality of support rings in the form of a ring,
Wherein the support ring is formed with a plurality of first assembling holes for internally receiving and mounting the rotation control member so that the opening and closing angle of the lid is adjusted by interfering with the rotational motion of the rotating drum. Device.

The method according to claim 1,
Wherein the assisting holder comprises: a holder portion which is insertable into the rotating drum and is provided with an accommodation space for accommodating the tension spring therein;
And a head portion formed continuously from the holder portion and having a step edge that closely contacts the outer surface of the hinge stand,
The head part prevents the tension spring from coming off as the inside of the holder part is closed, unlike the holder part. The upper and lower parts of the inner end surface of the head part sandwich the mutually opposing tip ends of the tension springs facing each other, And an insertion hole for fixing the rotary drum to the rotary drum, respectively.

5. The method of claim 4,
The rotation control member includes a locking ball that is alternately inserted into a plurality of the step grooves during rotation of the rotating drum to thereby divide the turning radius of the rotating drum in a stepwise manner,
An elastic spring for causing the locking ball to have a unidirectional output,
And a tongue bolt for preventing the locking spring and the elastic spring from separating from each other.

6. The method of claim 5,
The tension adjusting portion includes a second assembling hole penetrating from the portion of the outer periphery of the support ring to the inner through hole,
A stopper bolt threadedly engaged to be embedded in the second assembling hole and having a tip portion protruding from an inner through hole of the support ring,
A plurality of position holes are formed along the periphery of the holder of the assisting holder which is inserted into the rotating drum to prevent the rotation of the assisting holder through the insertion of the tip of the stopper bolt to maintain the tension of the elastic spring. Wherein the cover hinge device is configured such that: