KR20030079636A - Hinge device of storage case - Google Patents

Abstract

PURPOSE: A hinge device of a storage case is provided to prevent the hinge apparatus from protruding from an outside of the storage. CONSTITUTION: A hinge unit(30) includes a housing fixed on one of a body and a cover; a hinge axis including a cam axis part(51) joined in the housing to rotate and having a first cam(53) formed on an outside thereof, and an extension part(52) extended from the cam axis part to an outside of the housing to be fixed to the other of the body and the cover; a moving member(60) joined on an outside of the cam axis part in the housing to have rotation thereof restricted and to move back and forth, and having a second cam(62) formed thereon to face and contact with the first cam; and a pressurizing spring(70) installed in the housing to push the moving member toward the first cam. The housing includes a hollow body(41) storing the moving member to allow the moving part move back and forth; a spring storing part(42) extended from the body to store the pressurizing spring; and a cover(43) joined to an opening end of the body, and having an axis joining hole formed thereon to allow the extension part to pass.

Description

Hinge DEVICE OF STORAGE CASE}

The present invention relates to a hinge device of a reservoir, and more particularly, to a hinge device of a reservoir for rotatably connecting a cover for opening and closing the upper opening of the main body.

In general, the storage of the upper portion of the main body is a conventional kimchi storage to be opened or closed by rotating the upper cover. As shown in FIG. 1, the kimchi storage includes a main body 1 having a storage compartment 2 having an open top, a cover 3 for opening and closing an open upper portion of the storage compartment 2, and a lid 3. And a hinge device 4 provided at the rear upper portion of the main body 1 so as to rotatably connect the main body 1 with the main body 1.

In such a storage, the hinge device 4 has a hinge case 4a which is installed at the rear upper part of the main body 1, and the hinge shaft 4b for rotatably connecting the lid 3 and the main body 1 is provided. It is installed inside the hinge case 4a. In the hinge case 4a, when the cover 3 is opened or closed, the expansion rod 4c for rotating the cover 3 in the opening or closing direction and the coil spring 4d for supporting the expansion rod 4c are provided. It is provided, the guide groove (4e) for guiding the expansion and contraction of the expansion rod (4c) is provided. Such a configuration generally allows the user to rotate in the direction in which the cover 3 opens when the cover 3 of the reservoir is opened and to rotate in the direction in which the cover 3 closes when the cover 3 is closed. Opening and closing is possible.

However, the hinge device 4 of the conventional reservoir has a problem that the configuration is complicated and bulky, and it is difficult to mount it in the process of manufacturing the reservoir. In addition, since the hinge device 4 is installed so that the hinge device 4 protrudes outward of the main body 1 due to the operation characteristic of the expansion rod 4c, the conventional hinge device 4 has a problem in that it is not convenient to use the reservoir.

The present invention is to solve such problems, the object of the present invention is to maintain the basic function of the conventional hinge device while the hinge device can be mounted as well as the hinge does not protrude out of the reservoir through the miniaturization of the device hinge It is to provide a hinge device of the reservoir to facilitate the mounting of the device.

1 is a cross-sectional view showing a lid mounting structure of a conventional kimchi storage.

Figure 2 is an exploded perspective view showing the appearance and cover mounting structure of the kimchi storage to which the present invention is applied.

Figure 3 is a cross-sectional view showing the internal structure and cover mounting structure of the kimchi storage applied to the present invention.

Figure 4 is an exploded perspective view showing the configuration of the hinge device of the storage room according to the present invention.

Figure 5 is a perspective view of the hinge device assembled state of the reservoir according to the present invention, showing the operation when the cover is opened.

Figure 6 is a perspective view of the hinge device assembly state of the reservoir according to the present invention, showing the operation when the cover is closed.

7 is a perspective view of a moving member of the storage hinge device according to the present invention.

8 is an exploded view showing the configuration of the first cam and the second cam of the storage hinge device according to the present invention, showing a state in which the cover is open.

Figure 9 is a development view showing the configuration of the first cam and the second cam of the storage hinge device according to the present invention, showing a closed state of the cover.

Explanation of symbols on the main parts of the drawings

10: main body, 20: cover,

30: hinge device, 40: housing,

41: body portion of the housing, 42: spring receiving portion of the housing,

43: cover portion of the housing, 44: shaft coupling hole,

50: hinge shaft, 51: cam shaft portion,

52: extension, 53: first cam,

54: support jaw, 55: cam surface of the first cam,

56: lubrication groove, 60: moving member,

62: second cam, 64: cam surface of second cam,

70: pressurized spring.

In order to achieve the above object, the present invention provides a hinge device for a reservoir rotatably connecting a cover to open and close a main body, the housing being fixed to any one of the main body and the cover; A hinge shaft rotatably coupled to the housing and having a cam shaft portion having a first cam on an outer surface thereof, and an extension portion having a predetermined length extending from the cam shaft portion to the outside of the housing to be fixed to the other one of the main body and the cover; A moving member coupled to an outer surface of the cam shaft in the housing so as to be retracted in a predetermined section in a restricted state, and having a second cam facing the first cam; And a pressure spring installed in the housing to press the moving member toward the first cam.

In addition, the housing is coupled to the open end of the body portion and the body portion of the hollow to receive the movable member, the spring receiving portion extending a predetermined length from the body portion to accommodate the pressure spring, the extension portion It characterized in that it comprises a cover portion formed with a axial coupling hole passing through.

In addition, the inner surface of the body portion is provided with a guide rail formed in the longitudinal direction of the hinge axis to limit the rotation of the moving member and guide the stable retreat, the moving member is formed with a guide groove coupled to the guide rail It is characterized by.

In addition, the cam shaft portion of the hinge shaft is characterized in that the one end is extended to the inner end of the spring receiving portion is supported so that the movement in the axial direction is limited, and the support jaw formed on the outer surface is supported by the shaft coupling hole of the cover portion .

In addition, the housing is characterized in that the outer diameter of the spring receiving portion is formed smaller than the outer diameter of the body portion, the spring receiving portion is closed.

In addition, the pressing spring is characterized in that the compression coil spring is coupled to the outer surface of the cam shaft portion.

In addition, the first cam and the second cam has a valley and a cam-shaped cam surface facing each other; The cam surface has an opening guide surface which is formed to be inclined in a helical direction so that the hinge shaft can rotate in the opening direction of the cover by the pressing of the movable member when the cover is opened, and by the weight of the cover when the cover is closed. It characterized in that it comprises a closing guide surface formed in the rotational direction of the hinge shaft so that the hinge shaft can rotate in the closing direction of the cover.

In addition, the cam surface is characterized in that the lubrication groove of a predetermined depth is filled with the lubricant.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, a case in which the hinge device according to the present invention is applied to a conventional upper open kimchi storage will be described as an example.

Kimchi storage to which the hinge device according to the present invention is applied, as shown in Figures 2 and 3, the main body 10 and the storage compartment 11 is formed of a heat insulator and the upper opening is formed therein, The cover 20 is coupled to the upper portion of the main body 10 to open and close the upper portion.

The storage chamber 11 of the main body 10 is divided into left and right both spaces through the central partition 12. On the outer surface of each inner compartment 11a of each storage compartment 11, an evaporator 13 made of a conventional refrigerant pipe for cooling the storage compartment 11 and a heater 14 made of a conventional heating element for aging kimchi are provided. Is installed. In addition, a lower portion of the main body 10 is provided with a storage compartment 11 and a machine compartment 16 partitioned so that the compressor 15 may be installed.

The cover 20 of the upper portion of the main body 10 is provided on both sides so as to open and close the upper portion of each compartment storage compartment 11, the rear end of each cover 20 through the hinge device 30 through the main body ( 10) is connected in a rotatable state. This configuration is such that each cover 20 can be opened and closed by rotating through the hinge device (30).

Here, the hinge device 30 according to the present invention performs a function of easily opening and closing the cover 20 as well as a function of rotatably connecting the main body 10 and the cover 20. This is in consideration of the fact that the cover 20 of the conventional kimchi storage has a predetermined weight because it is composed of a heat insulator, when the user opens the cover 20, the cover 20 is rotated in the opening direction and the cover 20 This is to allow easy opening and closing of the cover 20 by rotating the cover 20 in the closing direction when closing. In addition, the present invention is to provide a beautiful appearance of the kimchi storage by being mounted so that the hinge device 30 performing such a function is smaller than the conventional to protrude to the outside of the main body 10.

As shown in FIG. 2, a plurality of hinges are formed at a rear upper portion of the main body 10 so that the hinge device 30 is accommodated and fixed therein so as to accommodate the outer space of the hinge device 30. The device coupling part 17 is provided, and a connecting part 21 is formed at the rear end of the lid 20 to correspond to the hinge device coupling part 17. When the main body 10 and the cover 20 are coupled through the hinge device 30, the hinge device 30 is embedded in the accommodation space 17a of the coupling portion 17 of the main body 10 and the hinge device 30. ) Is coupled to the connecting portion 21 of the cover 20, so that the cover 20 is connected in a rotatable state such that the hinge device 30 does not protrude to the outside. Here, the present embodiment describes an example in which the hinge unit coupling unit 17 is formed in the main body 10 and the connecting portion 21 to which the hinge shaft 40 is connected is formed in the cover 20. However, the hinge unit coupling unit 17 may be provided on the cover 20 and the connecting portion 21 may be provided on the main body 10.

As shown in FIGS. 4 and 5, the hinge device 30 is rotatably installed in the housing 40 and includes a hinge shaft 50 provided with a first cam 53 and a longitudinal direction of the hinge shaft 50. The moving member 60 is installed in the housing 40 so that the second cam 62 is formed to face the first cam 53, and the moving member 60 faces the first cam 53. It includes a pressure spring (70) for pressing.

In addition, the housing 40 of the hinge device 30 has a hollow body portion 41 for accommodating the movable member 60 in a retractable manner, and one end of the body portion 41 for accommodating the pressing spring 70. A predetermined length is extended and is coupled to the spring receiving portion 42 which is integrally formed with the body portion 41, and the hinge shaft 50 is passed through the hinge shaft 50 in the center by being coupled to the opening of the body portion 41 to close the opening. The cover 44 is formed of a ball 44. At this time, the inside of the body portion 41 is formed with a rectangular receiving space 45 so that the moving member 60 is accommodated in a limited rotation state to advance.

The spring accommodating part 42 is provided in the cylindrical shape of predetermined length so that the press spring 70 which consists of a normal compression coil spring is accommodated, and the end part is provided in the structure closed. In addition, the spring receiving portion 42 is provided with a size smaller than the size of the body portion (41). This configuration is to reduce the overall size of the housing 40 by reducing the size of the spring receiving portion 42, integrally by injection molding, etc. when manufacturing the body portion 41 and the spring receiving portion 42 It can be molded into. The cover portion 43 is coupled to the opening of the body portion 41 through a plurality of fixing screws 46.

The hinge shaft 50 enters and is installed in the body portion 41 of the housing 40 and has a cam shaft portion 51 provided with a first cam 53 on an outer surface thereof, and integrally with the cam shaft portion 51. It is provided with an extension portion 52 extending a predetermined length to the outside of the housing 40 through the axial coupling hole 44 formed in the cover portion 43 of the housing 40. When the camshaft 51 of the hinge shaft 50 is installed in the housing 40, one end thereof is extended to the inner end of the spring receiving portion 42 so that it is supported by the closed end of the spring receiving portion 42 and the other end thereof. The axial movement of the housing 40 is restricted by being supported by the inner surface of the cover portion 43 so as to be caught by the axial coupling hole 44 through the support jaw 54 formed at one side of the first cam 53. In addition, the extension portion 52 of the hinge shaft 50 when the extension portion 52 is fitted into the coupling hole 22 formed in the connecting portion 21 of the cover 20 so that the rotation can be coupled in a limited state 52a is formed, and the coupling hole 22 of the cover 20 is also provided in a shape corresponding thereto.

As shown in FIGS. 4 and 7, the movable member 60 has a shape that corresponds to an inner shape of the body portion 41 so that the moving member 60 retreats along the inner surface of the body portion 41 of the housing 40. The through hole 61 is formed at the center of the cam shaft 51 so as to be fitted to the outer surface of the cam shaft 51. And the inner surface of the body portion 41 of the housing 40 is provided with a guide rail 47 formed long in the longitudinal direction of the hinge shaft 50 so that the moving member 60 can be smoothly moved back and forth in a restricted state. The guide member 63 is coupled to the moving member 60 to correspond to the guide rail 47.

The second cam 62 formed on the moving member 60 faces the first cam 53 so as to cause rotation of the hinge shaft 50 through the retraction operation of the moving member 60. It is formed integrally on one side of the. In addition, the pressing spring 70 moves the moving member 60 toward the first cam 53 while being fitted to the outer surface of the cam shaft portion 51 of the hinge shaft 50 that has entered the spring receiving portion 42 of the housing 40. It is installed to pressurize. This configuration is such that the cam surface 64 of the second cam 62 of the moving member 60 keeps pressing the cam surface 55 of the first cam 53 formed on the cam shaft portion 51.

The cam surface 55 of the first cam 53 and the cam surface 64 of the second cam 62 are valleys and hills so as to form a structure in which they are engaged with each other as shown in FIGS. 4, 7 and 8. Is prepared. In addition, the cam surfaces 55 and 64 of the first cam 53 and the second cam 62 are pressurized springs 70 to press the moving member 60 when the cover 20 of the reservoir is opened at a predetermined angle or more in the process of opening the reservoir. The hinge shaft 50 coupled with the cover 20 by elasticity of the cover 20 is provided with opening guide surfaces 55a and 64a of a predetermined section that are formed to be inclined in a helical direction so as to generate a force to rotate in the opening direction of the cover 20. do. This causes the cover 20 to remain open without being closed by its own weight by applying a force that rotates in the opening direction of the cover 20 to the hinge shaft 50 while the cover 20 is opened for a predetermined angle or more. It is.

In addition, the cam surfaces 55 and 64 of the two cams 53 and 62 have a hinge shaft 50 coupled with the lid 20 when the lid 20 is opened at a predetermined angle or less when the lid 20 is closed. In order to be able to rotate in the closing direction of the cover 20 by the weight of the 20, the closing guide surfaces 55b and 64b of the predetermined section formed in the rotational direction of the hinge shaft 50 are provided. This is because the elasticity of the pressing spring (70) acts in the state where the closing guide surface (55b) of the first cam (53) and the closing guide surface (64b) of the second cam (62) are in contact with each other. By not affecting the rotation of the cover 20 is to be closed by its own weight.

In addition, the cam surfaces 55 and 64 of the first cam 53 and the second cam 62 may be filled with lubricant to reduce friction of the contact surface when rotating in contact with each other so that smooth rotation is achieved and noise is not generated. The lubrication groove 56 of a predetermined depth is formed. At this time, the lubrication grooves 56 formed on the opening guide surfaces 55a and 64a of the cam surfaces 55 and 64 are formed to have a predetermined length in the rotational direction of the cam, as shown in FIG. The lubrication groove 56 formed in 64b) is preferably formed in the radial direction. In addition, it is preferable that the lubricant filled in the lubrication groove 56 is selected to have a predetermined viscosity so as not to flow out from the lubrication groove 56.

The following describes the operation of the storage hinge device according to the present invention in this configuration.

When the user opens or closes the lid 20 of the reservoir, the hinge shaft 50 connected to the lid 20 rotates together with the lid 20, and the first shaft provided on the cam shaft 51 of the hinge shaft 50 is provided. The cam 53 also rotates. In this case, the movable member 60 has a force to move toward the first cam 53 by the elasticity of the pressure spring 70, and the second cam 62 of the movable member 60 is the first cam 53. Since the hinge shaft 50 is rotated (when the cover is opened and closed), the second cam 62 of the movable member 60 moves forward and backward in the longitudinal direction of the hinge shaft 50, so that the hinge shaft 50 is rotated. Press the first cam (53). The cover 20 is easily opened and closed by rotating the cover 20 coupled with the hinge shaft 50 in the opening or closing direction through the advancing and retracting operation of the second cam 62 having the pressing force.

That is, as shown in Figure 3, when the lid 20 of the reservoir is located in the "open section", the hinge shaft 40 is to be rotated in the open direction, when located in the "closed section" to be rotated in the closed direction. Therefore, the lid 20 can be opened and closed easily.

In more detail, when the cover 20 of the reservoir is opened at a predetermined angle or more, and positioned in the “opening section” of FIG. 3, as illustrated in FIGS. 5 and 8, the opening guide surface of the inclined second cam 62 ( 64a and the opening guide surface 55a of the first cam 53 are in contact with each other, and in this state, the second cam 62 of the moving member 60 moves toward the first cam 53 while the first cam ( Since the opening guide surface 55a of the 53 is pressed, the hinge shaft 50 has a force to rotate in the opening direction of the cover 20, thereby easily opening the cover 20. At this time, if the elastic force of the pressure spring 70 is adjusted appropriately so that the force to rotate in the direction in which the hinge shaft 50 is opened and the force to close the cover 20 by its own weight, the cover 20 is shown in Figure 3 It can be kept stationary within the "open section" of.

On the other hand, when the cover 20 is positioned below the predetermined angle and positioned in the “close section” of FIG. 3, the closing guide surface 64b and the first cam of the second cam 62 are shown in FIGS. 6 and 8. Since the closing guide surface 55b of the 53 is in contact with each other, the elasticity of the pressure spring 70 does not affect the rotation of the hinge shaft 50. Therefore, the hinge shaft 50 rotates in the closing direction of the cover 20 due to the weight of the cover 20 in the "close section" range of the cover 20. That is, when the cover 20 is located in the “close section” of FIG. 3, the cover 20 is closed while rotating by itself.

As described in detail above, the hinge device of the reservoir according to the present invention can be connected to the main body and the cover in the state that the hinge device does not protrude to the outside of the main body through miniaturization, so that the appearance of the reservoir is not only beautiful but also the storage The space occupied for the installation is effective.

In addition, the present invention has the effect that the hinge device is smaller in size and simpler in structure and simpler to manufacture and install than in the prior art.

Claims (9)

In the hinge device of the reservoir for rotatably connecting the cover for opening and closing the upper body, A housing fixed to any one of the main body and the cover; A hinge shaft rotatably coupled to the housing and having a cam shaft portion having a first cam on an outer surface thereof, and an extension portion having a predetermined length extending from the cam shaft portion to the outside of the housing to be fixed to the other one of the main body and the cover; A moving member coupled to an outer surface of the cam shaft in the housing so as to be retracted in a predetermined section in a restricted state, and having a second cam facing the first cam; And a pressing spring installed in the housing to press the moving member toward the first cam. The method of claim 1, The housing is coupled to the hollow body portion for receiving the movable member forward and backward, a spring receiving portion extending a predetermined length from the body portion to accommodate the pressure spring, the open end of the body portion and the extension portion passes through Hinge device of the reservoir, characterized in that it comprises a cover portion formed with an axial coupling hole. The method of claim 2, The inner surface of the body portion is provided with a guide rail formed in the longitudinal direction of the hinge axis to limit the rotation of the moving member and guide the stable retreat, and the moving member is formed with a guide groove coupled to the guide rail A hinged device of a reservoir. The method of claim 2, The camshaft of the hinge shaft is a reservoir characterized in that one end is extended and supported to the inner end of the spring receiving portion so that the movement in the axial direction is limited, and the support jaw formed on the outer surface is caught by the shaft coupling hole of the cover portion Hinge device. The method of claim 2, The housing is hinged of the reservoir, characterized in that the outer diameter of the spring receiving portion is formed smaller than the outer diameter of the body portion, the spring receiving portion is closed. The method of claim 1, The pressing spring is a hinge device of a reservoir, characterized in that the compression coil spring is fitted to the outer surface of the cam shaft portion. The method of claim 1, The first cam and the second cam have valleys and mountain cam surfaces that face each other; The cam surface has an opening guide surface which is formed to be inclined in a helical direction so that the hinge shaft can rotate in the opening direction of the cover by the pressing of the movable member when the cover is opened, and by the weight of the cover when the cover is closed. And a closing guide surface formed in a rotational direction of the hinge shaft such that the hinge shaft rotates in the closing direction of the cover. The method of claim 1, The first cam and the second cam have valleys and mountain cam surfaces that face each other; The cam surface hinge device, characterized in that the lubrication groove of a predetermined depth is filled with the lubricant. In the hinge device of the reservoir for rotatably connecting the cover for opening and closing the upper body, A hinge shaft having one end fixed to one of the main body and the cover and the other end rotatably coupled to the other of the main body and the cover, and having a first cam provided on an outer surface of the rotating part; A moving member coupled to an outer surface of the hinge shaft and formed to have a second cam facing the first cam so as to retreat in the longitudinal direction of the hinge shaft in a limited rotation; And a pressing spring installed to press the moving member toward the first cam.