KR102069886B1 - Door assembly for cabinet panel - Google Patents

Abstract

Disclosed is a door body for a cabinet panel having a semi-automatic door hinge structure, which can minimize the number of components to simplify a structure, and can improve assemblability to reduce manufacturing costs. Moreover, opening and closing of the remaining door can be automatically finished when the door passes through a rotation inflection point while the door is opened and closed to enable semi-automation of the opening and closing of the door.

Description

Door panel for panel board with semi-automatic door hinge structure {DOOR ASSEMBLY FOR CABINET PANEL}

The present invention relates to a door panel for a distribution panel having a semi-automatic door hinge structure, more specifically, to minimize the number of parts, the structure is simple and excellent assemblability to reduce the manufacturing cost and to automatically pass the rotation inflection point when opening and closing the door The present invention relates to a door panel for a distribution panel having a semi-automatic door hinge structure in which opening and closing operations of the remaining doors are completed to enable semi-automation of door opening and closing.

In general, an overcurrent earth leakage breaker is installed in a building in preparation for an accident or a short circuit due to a short circuit, and the breaker is installed in a distribution board installed in a wall of a building, and a cover is installed on the front of the distribution board. It is installed to open and close on the front of the panel board body.

1 shows such a conventional distribution panel cover.

Referring to the accompanying drawings, the door 14 is installed on the upper side of the distribution panel cover 10 so as to be rotatably coupled to the front of the distribution panel enclosure 16, the lower end of the door 14, the locking projection 15 ) Is formed, the lower side of the cover 10 is formed with a locking projection (12) and the opening and closing button 13 for controlling the locking projection 12 is fixed to the locking jaw (15).

The distribution panel cover 10 prevents the circuit breaker 17 from being exposed to the outside by closing the front of the distribution panel enclosure 16 to prevent the appearance of being impaired, and electrical safety due to mischief or other carelessness of the child from the outside. It is effective in preventing accidents.

However, the conventional distribution panel cover has a problem in that the distribution panel inspection is very inconvenient because the operator must hold by the hand to maintain the open state of the door.

Therefore, in recent years, using a subsidiary material such as a spring, a hinge, a pin or a hinge, a button, etc. to fix the position at the time of opening of the panel panel, a panel panel door is configured to automatically open the door by pressing the button when the button is pressed. have.

However, the prior art has a problem that the manufacturing cost is also increased because the assembly process is complicated and the structure is complicated.

In addition, the conventional technique is inconvenient because the entire stroke A must be moved in order to close the door 14 as shown in FIG. 1B, and as shown in FIG. 1C, even when the door 14 is opened. Since the user presses the button 12 is different from the direction in which the door 14 is opened, there is a problem that it is inconvenient in use due to the fact that it is not intuitive.

In addition, in the conventional technology, in the case of the door of the distribution panel, the actual occupant takes the time to open the door by several years due to the operation of the breaker, etc. In this case, the spring S is always installed under the load. Therefore, when the door is actually operated, due to the aging of the spring, there was a problem that the door is not opened and closed by the desired angle.

The present invention has been made to solve the above problems, the object of the present invention is to minimize the number of parts, the structure is simple and excellent assembly performance is reduced manufacturing cost, when the door is opened and closed when the door passes the rotation inflection point preload It is to provide a door panel for a distribution panel having a semi-automatic door hinge structure configured to automatically open and close the remaining doors, thereby semi-automated opening and closing of the door.

An object of the present invention is coupled to the front of the distribution panel housing recessed on the wall cover and cover the plurality of switches and power circuit breakers and the top of the cover is hinged to the top of the cover to rotate the cover to open and close the front of the cover Consists of a door, the cover is formed on the upper end, the first horizontal support is formed horizontally forward and the lower support consisting of a connecting portion bent upward from the first horizontal support and the connecting portion of the lower support An elastic support is formed extending from the end of the rear end to the upper support is formed elastically, the door is formed protruding from the upper end to the rear side, when the door is closed in the cover without interference with the elastic support It is positioned horizontally on the upper side of the upper support and when the door is opened from the cover When the door is closed from the cover, the locking support is formed to stand vertically on the upper surface of the upper support, and the locking support is formed perpendicular to the upper surface of the upper support. When pressing the cover downward in the state, the locking support is rotated to the rear side along the upper surface of the upper support supported by the lower support, the lower end of the locking support presses the upper support downward, the lower end of the locking support is the upper support Semi-automatic door hinge, characterized in that the door is automatically closed to the cover by rotating the lower end of the locking support to the rear side as the upper support pushed down by the locking support to the upper side when rotated past the rotation inflection point By providing a door panel for a distribution panel having a structure It can be generated.

Here, the upper support may include a second horizontal support extending from the end of the connecting portion to the rear side, an inclined support formed to be inclined upwardly from the end of the second horizontal support to the rear side, and a second extending from the end of the inclined support. 3 includes a horizontal support, wherein the locking support is a vertical support protruding from the top of the door to the rear side, and is bent upward from the end of the vertical support, the rounded round surface is formed at the bottom of the rear and the top And a locking portion having a door ground surface that is inclined corresponding to the inclined support portion so as to be held in close contact with the inclined support portion when the door is opened from the cover. When the door is closed in the cover, the door ground surface of the locking portion is inclined support portion. Press the cover downward while supporting the door with vertical support When the pressure is applied, the door ground surface of the locking part is moved to the rear side of the inclined support part and is separated from the inclined support part. As the lower surface of the locking part is rotated, the second horizontal support part supported by the lower support part is pressed downward by pressing the rear end of the inclined support part. When the rotational round surface of the locking portion is located at the rear end of the inclined support portion, the second horizontal support portion pushed downward is elastically returned upward, and the rear end of the inclined support portion is pushed to rotate the rotational round surface of the locking portion to the rear side. Preferably, the door is automatically closed to the cover while seated on the upper surface of the third horizontal support.

And, the upper rear side of the door is formed with a rotating portion in the central left and right directions, the rotating shaft is formed on both ends of the rotating portion, the locking support is formed projecting from the lower end of the rotating portion to the rear side, the top of the cover The upper and lower surfaces are opened in a central left and right direction, and a rotation receiving groove is formed in which the pivot is rotatably received, and both ends of the rotation receiving groove are provided with installation grooves with upper and front openings downward. The side of the rotating shaft is formed to be coupled to the shaft hole is rotatably coupled, the rear of the installation groove is formed in the center portion is formed, the vertical support from the lower end of the incision is formed to protrude upward, the vertical support The rear end of the lower support and the lower support of the elastic support consisting of the upper support and the upper end of the sphere When the door is engaged at the front of the cover, the locking support is fitted along the upper surface of the upper support without interference with the elastic support, the pivot is accommodated in the pivot receiving groove, and the pivot is in the shaft hole. It is preferred to be configured to fit.

In addition, the rotation receiving groove has a concave bottom surface formed with a concave bottom surface, and the pivoting portion is pivotally accommodated in the rotation receiving groove so as to be protruded to a lower side of the pivoting plate and sequentially in the longitudinal direction of the pivoting plate. It is formed of a rotating support piece which is formed to be round, so as to be rotated to be in close contact with the round surface, and the rib piece is arranged in the longitudinal direction on the front of the rotating plate to reinforce the rotating plate, the front lower portion of the cover is locked A ball is formed, and a locking protrusion is inserted into and coupled to the locking hole at a lower rear portion of the door, and the locking protrusion is divided into a plurality of locking pieces so that the plurality of locking pieces are centered when the locking protrusion is fitted into the locking hole. It is preferable to be configured to engage in the locking hole while retracting.

The door panel for distribution panel having a door hinge structure according to the present invention is configured so that the automatic opening and closing operation of the door is made through an elastic support formed integrally on the cover and a locking support formed integrally on the door without a complicated structure including a spring. By minimizing the number of parts, the structure is simple and the assembly is excellent, thereby reducing the manufacturing cost.

In addition, the door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention is automatically pushed to the remaining section by the pre-tension when the door is opened, the rotation inflection point (the completion of the door opening operation), the door When the door is closed, the semi-automatic function of opening and closing the door is automatically added by the pre-tension, which is automatically pushed to the remaining section by the pre-tension (the completion of the door closing operation), thereby improving the sensitivity quality.

1a to 1c is a view illustrating a conventional distribution panel cover and operation,
2 is an exploded perspective view of a door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention;
3 and 4 are a perspective view of the door panel for the distribution panel having a semi-automatic door hinge structure according to the present invention,
5 to 10 is a view for explaining the operation of the distribution panel door body having a semi-automatic door hinge structure according to the present invention,
11 to 15 are views for explaining the structure and operation according to another preferred embodiment of the door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention,
16 is a view for explaining the assembly of the cover and the door in the present invention,
17 is a view for explaining another preferred embodiment of the door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view of a distribution panel door body having a semi-automatic door hinge structure according to the present invention, and FIGS. 3 and 4 are combined perspective views of a distribution panel door body having a semi-automatic door hinge structure according to the present invention.

Referring to the accompanying drawings, the door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention is coupled to the front of the distribution panel housing recessed on the wall cover 100 configured to cover a plurality of switches and power circuit breakers And a door 200 configured to open and close the front side of the cover while being hinged to the top of the cover and pivoted on the cover. Here, the cover 100 has an exposure hole 111 is formed so that the switch and the power circuit breaker installed in the distribution panel housing can be exposed to the front of the cover. In addition, the lower end of the cover 100 is preferably formed with an input groove 112 through which a finger can be inserted so as to easily grip the lower end of the door 200 when opening and closing the door.

Here, the present invention minimizes the number of parts, the structure is simple and excellent assembly performance, and the manufacturing cost is reduced, the opening and closing operation of the remaining door is automatically completed by the preload when the door passes the rotation inflection point when the door is opened and closed, It is characterized in that the semi-automated opening and closing of the door is configured to be possible.

To this end, the cover 100 is formed with an elastic support 120 at the top. Here, since the elastic support 120 is integrally formed in the cover 100 and has a structure in which the door can be automatically opened and closed in the cover without a separate member such as a spring, the structure of the distribution panel door is simple. You lose. In addition, the elastic support 120 is composed of at least one or more at the top of the cover 100 and the number may be increased or decreased according to the size and weight of the door 200, as shown in the cover 100 Most preferably, two are formed at both sides of the upper end of the panel so as to stably support the door 200.

Specifically, the elastic support 120 is a first horizontal support portion 121a formed horizontally forward from the upper end of the cover 100, and the connecting portion 121b formed to be bent upward from the first horizontal support portion 121a. It is composed of a lower support 121 consisting of a) and the upper support 122 is formed elastically extending from the end of the connection portion 121b of the lower support to the rear side. That is, the upper support 122 is connected to the first horizontal support portion 121a through the connecting portion 121b and is installed to be elastically operated in the vertical direction while being supported by the first horizontal support portion 121. Here, a reinforcing piece 121c may be formed on the bottom of the lower support 121 so as to reinforce the strength of the lower support.

In addition, the door 200 has a locking support 210 protruding from the upper end to the rear side. That is, the locking support 210 is supported by the elastic support 120 to maintain the door 200 in the open state in the cover 100, or the cover 100 by the operation of the elastic support 120 In operation) the door 200 is opened and closed semi-automatically. Here, the locking support 210 is composed of at least one or more doors, preferably composed of a number corresponding to the elastic support 120.

Specifically, the locking support 210 is positioned horizontally above the upper support 122 without interference with the elastic support 120 when the door 200 is closed in the cover 100, the cover ( When the door 200 is opened in 100, the door 200 is vertically erected on the upper surface of the upper support 122, and is configured to maintain the opened state of the door 200 in the cover 100. Here, the reinforcing piece 211 may be added to the upper surface of the locking support 210 in some cases so as to reinforce the strength of the locking support 210.

By such a configuration, when the door 200 is closed in the cover 100 according to the present invention, the cover 100 in a state in which the locking support 210 is vertically supported on the upper surface of the upper support 122 is supported. Press down to press the locking support 210 to the rear side along the upper surface of the upper support 122 supported by the lower support 121 while the lower end of the locking support 210 lowers the upper support 122. And the lower end of the locking support 210 is rotated past the pivoting inflection point P of the upper support 122, and the upper support 122 pressurized downward by the locking support 210 is elastically returned upward. The door 200 is automatically closed to the cover 100 by pushing the lower end of the support 210 to the rear elastically.

5 to 9, the opening and closing operation of the distribution panel door body having a semi-automatic door hinge structure according to the present invention will be described in more detail.

First, as shown in FIG. 5, in the state in which the door 200 is opened in the cover 100, the locking support 210 is vertically supported on the upper surface of the upper support 122 while being supported by the door in the cover 100. 200 is kept open. Here, the locking support 210 is supported at the front end of the upper support 122 so that the upper support 122 is not deformed and the locking support 210 is vertically upright while being supported by the lower support 121. maintain. Therefore, the lower support 121 is configured to withstand the load of the door by adjusting the thickness (t1) according to the size and weight of the door 200, the locking support 210 is installed, the locking support 210 is stable It is preferable to be configured to be supported by.

And, as shown in Figure 6, in order to close the door 200 in the cover 100, by pressing the lower end of the door 100 to the lower side (cover direction), the door 200 for the cover 100 Support begins to fall. That is, the locking support 210 is rotated to the rear side along the upper surface of the upper support 122 supported by the lower support 121, the upper support 122 is intact and only the lower support 121 is deformed. At this time, the upper support 122 appears to be deformed, but the lower support 121 is actually deformed, and the upper support 122 is a state in which only the angle is distorted and is not substantially deformed.

And, as shown in FIG. 7, when the lower end of the door 200 is pressed downward to continue pressing, the locking support 210 continues along the upper surface of the upper support 122 supported by the lower support 121. While rotating to the rear side, the lower end of the locking support 210 presses the upper support 122 downward. That is, in this section, the amount of deformation of the upper support 122 is greater than the amount of deformation of the lower support 121, so that the automatic rotation section is started in which the door 200 is automatically closed. Here, if the thickness of the upper support 122 is changed to a thinner than the thickness of the lower support 121, the initial support force of the door 200 is the same, but the door is automatically finished automatically opening and closing at a softer and slower speed, It is possible to respond to the needs of users who demand emotional quality rather than the speed of breaker operation.

And, as shown in Figure 8, when the lower end of the locking support 210 is rotated past the pivoting inflection point (P) of the upper support 122, the upper support (122) pressed downward by the locking support (210) While elastically returning upward, the lower end of the locking support 210 is elastically pushed to the rear side, as shown in FIG. 9, so that the door 200 is automatically closed to the cover 100.

As shown in FIG. 10, the distribution panel door body having the semi-automatic door hinge structure according to the present invention operated as described above is configured to press the end of the door 200 when the user closes the door 200 in the cover 100. After passing through the finger stroke section S1, the automatic closing section S2 is executed in which the door 200 is automatically closed at the lower side of the finger stroke section S1 while the door 200 is automatically closed, thereby enabling the semi-automatic closing of the door. It has the advantage of being.

Of course, according to the present invention, even when opening the door 200 in the cover 100, by lifting the end portion of the door 200 to lift a portion, the lower end of the locking support 210 is the inflection point of the upper support 122 ( When rotated forward through P), the upper support 122 elastically pushes the lower end of the engaging support 210 to the front side, and the door 200 is automatically opened by the cover 100 by pre-tension. do. Therefore, the present invention is semi-automatic opening and closing of the door because the door 200 is automatically opened by the pre-tension when the door 200 passes the rotation inflection point P when the door 200 is opened and closed. Has the advantage that it is possible to configure.

On the other hand, as shown in Figures 11 to 15, according to the present invention by changing the rotational inflection point of the door 10, the user to ensure the distinction between the finger stroke section (S1) and the automatic opening and closing section (S2) At the fingertips of the door can be configured to feel the ON / OFF feel of opening and closing.

To this end, the upper support 122 is a second horizontal support portion 122a extending from the end of the connecting portion 121b to the rear side, and the inclined support portion formed to be inclined upward from the end of the second horizontal support portion 122a. And a third horizontal support portion 122c extending rearward from the end of the inclined support portion 122b.

When the door 200 is closed by the cover 100, the locking support 210 includes a vertical support part 211 protruding from the upper end of the door 200 to the rear side, and the vertical support part 211. Is formed to be bent upward at the end of the), the rounded round surface (212a) is formed at the bottom rear and the inclined support portion 122b to be in close contact with the inclined support (122b) when the door 200 is opened in the cover 100 at the top It is configured to include a locking portion 212 is formed with a door ground surface 212b inclined to correspond to.

By such a configuration, when the door is closed from the cover, as shown in FIG. 11, the door support surface 212b of the locking portion 212 is closely supported by the inclined support portion 122b so that the vertical support portion 211 is provided. As shown in FIG. 12 in the state in which the door 200 is supported and pressed, when the door 200 is pressed downward, the door supporting surface 212b of the locking part 212 is formed of the inclined support part 122b. While moving to the rear side is separated from the inclined support (122b). That is, the support of the door 200 to the cover 100 starts to collapse. And, as shown in Figure 13, by pressing the end of the door 200 downward to continue to press the rear end of the inclined support portion 122b while the lower surface of the engaging portion 212 is rotated by the lower support 121 The supported second horizontal support part 122a is pressed downward. That is, the automatic rotation section is started to automatically close the door 200. And, as shown in Figure 14, when the rotary round surface 212a of the locking portion 212 is located at the rear end of the inclined support portion 122b, the second horizontal support portion 122a pressed downwards is elastically returned upward. The rear end of the inclined support part 122b pushes the pivoting round surface 212a of the locking part 212 to the rear side so that the vertical support part 211 is seated on the upper surface of the third horizontal support part 122c and is shown in FIG. 15. As such, the door 200 is automatically closed to the cover 100.

The distribution panel door body having the semi-automatic door hinge structure according to the present embodiment operated as described above has a finger stroke section S1 for pressing an end of the door 10 when the user closes the door 200 in the cover 100. After passing, the door 200 is automatically closed at the lower side of the finger stroke section, which allows the semi-automatic closing of the door. In addition, when the door ground surface 212a of the locking portion 212 is closely supported by the inclined support portion 122b and the closed supporting force is applied to the door 200 in a surface contact state, the door ground surface of the locking portion 212 is provided. Since the 212a is moved to the rear side of the inclined support 122b, it is displaced from the inclined support 122b and immediately changes into a line contact, thereby allowing the user to make a distinction between the finger stroke section and the automatic open / close section. It has the advantage of being able to clearly recognize the ON / OFF feeling.

Further, according to the present invention, when assembling the cover 100 and the door 200, the door 200 is characterized in that the cover 100 is configured to be easily assembled to each other even when the state is not the exact point.

To this end, the rotating part 230 is formed in the central left and right directions on the upper rear of the door 200, the rotating shaft 250 is protruded on both ends of the rotating part 230, the rotating part 230 The locking support 210 is formed to protrude from the bottom of the rear side.

In addition, the upper and lower surfaces of the cover 100 are opened in the central left and right directions, and a rotation accommodating groove 130 is formed in which the pivoting part 230 is rotatably received. Both ends are provided with an installation groove 150 that is open at the top and front of the lower side, the shaft hole 151 is formed on the side of the installation groove 150 is coupled to the rotation shaft 250 to be rotatable, An incision 153 is formed at the center of the rear surface of the installation groove 150, and a vertical support 170 is protruded upward from a lower end of the incision 153, and an upper end of the vertical support 170. The rear end of the lower support 121 of the elastic support 120 made of a lower support 121 and the upper support 122 is configured to be coupled.

By such a configuration, as shown in Figure 16, when engaging the door 200 in front of the cover 100, the engaging support 210, the upper support without interference to the elastic support 120 Fitted along the upper surface of the 122, the rotating part 230 is accommodated in the rotation receiving groove 130, the rotating shaft 250 is fitted into the shaft hole 151 is configured to be coupled to the cover 100 and the door 200 is easily assembled. That is, since the elastic support 120 is formed in approximately "⊃" and the front surface is sealed, when the door 200 is assembled to the cover 100, the locking support 210 is inserted into the elastic support 120. The door 200 may be easily assembled to the cover 100 because it is configured to fit while sliding along the upper surface of the upper support 210 of the elastic support 120. In addition, the aesthetics of the cover by treating the front area of the cover other than the minimum installation groove 150 for avoiding interference between the shaft hole 151 and the locking support 210 of the door to which the rotation shaft 250 is fitted There is an advantage that can be maximized.

On the other hand, according to the present invention, as shown in Figure 17, the rotation receiving groove 130 has a concave bottom surface is formed concave, the rotating portion 230 is rotatable in the rotation receiving groove 130. Rotating plate 231 is accommodated, and the rotating support piece 232 protruding toward the lower side of the rotating plate 231 and sequentially formed in the longitudinal direction of the rotating plate, rounded to be in close contact with the round surface ) And a rib piece 233 arranged in the longitudinal direction on the front surface of the rotating plate 231 to reinforce the rotating plate 231.

By such a configuration, the rotating part 230 is rotated while being closely supported in the rotating receiving groove 130 so that the door 200 can be stably rotated in the cover 100. Particularly, when the door 200 is rotated in the cover 100 by the rib piece 233 formed on the pivoting plate 231, the top of the door 200 is prevented from being deformed or damaged so that the cover 100 is rotated. There is an advantage that the door 200 can be rotated more stably.

Further, a locking hole 190 is formed at the lower front end of the cover 100, and a locking protrusion 270 is fitted to the locking hole 190 at the rear lower end of the door 200 to be coupled to the locking hole 190. The protrusion 270 is divided into a plurality of locking pieces, and when the locking protrusion 270 is fitted to the locking hole 190, the plurality of locking pieces are squeezed to the center, and are configured to be firmly coupled and fixed in the locking hole 190. .

The door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention configured as described above of the door through an elastic support formed integrally to the cover and a locking support formed integrally to the door without a complicated structure including a spring as in the prior art Since the automatic opening and closing operation is made, there is an advantage that the manufacturing cost is reduced due to the simple structure and excellent assemblability by minimizing the number of parts.

In addition, the distribution panel door body having a semi-automatic door hinge structure according to the present invention is automatically pushed to the remaining section by the pre-tension when the door is opened, passing the pivoting inflection point (the completion of the door opening operation), the door When the door is closed, the semi-automatic function of opening and closing the door is automatically added by the pre-tension, which is automatically pushed to the remaining section by the pre-tension (the completion of the door closing operation), thereby improving the sensitivity quality.

In addition, the door panel for a distribution panel having a semi-automatic door hinge structure according to the present invention, because the door is closed in the cover, the locking support of the door is positioned horizontally above the elastic support without interference with the elastic support of the cover, Since the tension of the elastic support is "0" even when the closed state is maintained for a long time, there is an advantage that the spring aging phenomenon does not occur as time passes.

While the invention has been shown and described in connection with specific embodiments, it will be apparent to those skilled in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone can grow up easily.

100: cover 120: elastic support
200: door 210: jam support

Claims (4)

It is composed of a cover coupled to the front of the distribution panel housing recessed on the wall to cover a plurality of switches and power circuit breakers, and a door configured to open and close the front of the cover while the top is hinged to the top of the cover is rotated from the cover. ,
The cover is integrally formed at an upper end, and includes a first horizontal support part horizontally formed forwardly and a lower support part including a connection part bent upward from the first horizontal support part and from an end portion of the connection part of the lower support part to the rear side. An elastic support is formed that is formed as an upper support that is extended and formed elastically,
The door protrudes from the upper end to the rear side, and when the door is closed from the cover, the door is positioned horizontally above the upper support without interference with the elastic support, and when the door is opened from the cover, the door is perpendicular to the upper surface of the upper support. It is supported while standing up to form a locking support to keep the door open in the cover,
When the door is closed from the cover, the locking support is rotated vertically along the upper surface of the upper support supported by the lower support when the pressing support is pressed downward while pressing the cover downward while standing upright on the upper surface of the upper support. When the lower end of the locking support presses the upper support downward, and the lower end of the locking support rotates past the pivot inflection point of the upper support, the upper support pushed downward by the locking support elastically returns to the upper side and then the lower end of the locking support. Elastically pushed to the side, the door is configured to automatically close to the cover,
Rotating portions are formed on the upper rear side of the door in a central left and right direction, rotating shafts protrude from both ends of the rotating portions, and the locking support protrudes from the lower end of the rotating portion to the rear side, and the center of the upper ends of the covers. A rotation receiving groove is formed in which the upper and lower surfaces are opened in the left and right directions and the pivot is rotatably received, and both grooves of the rotation receiving groove are provided with installation grooves with upper and front openings downward. Is formed in the shaft hole is coupled to the rotation shaft is rotatably fitted, the rear of the installation groove is formed in the center portion, the bottom of the incision is formed from the bottom of the vertical support projecting upwards, the top of the vertical support It is configured to be coupled to the rear end of the lower support of the elastic support made of a lower support and the upper support, When engaging the door in front of the cover, the locking support is fitted along the upper surface of the upper support without interference with the elastic support, the rotating portion is accommodated in the rotation receiving groove, the rotating shaft is fitted into the shaft hole to be coupled Is composed,
The rotation receiving groove is a bottom surface is concave round surface is formed,
The rotating part is provided with a rotating plate which is rotatably received in the rotating receiving groove, and a plurality of rotating plates which protrude to the lower side of the rotating plate and are sequentially formed in the longitudinal direction of the rotating plate, and are formed to be rotated in close contact with the round surface. It consists of a support piece and a rib piece arranged in the longitudinal direction on the front surface of the rotating plate to reinforce the rotating plate,
Locking holes are formed in the front lower end of the cover,
The rear lower portion of the door is formed with a locking projection is inserted into the locking hole coupled, the locking projection is divided into a plurality of locking pieces when the locking projection is fitted into the lock hole, the plurality of locking pieces are retracted toward the center of the lock Door panel for a distribution panel having a semi-automatic door hinge structure, characterized in that coupled to the ball.
The method of claim 1,
The upper support includes a second horizontal support extending from the end of the connecting portion to the rear side, an inclined support formed to be inclined upwardly from the end of the second horizontal support to the rear side, and a third horizontal extending from the end of the inclined support to the rear side. Configured to include a support,
The locking support is a vertical support portion protruding from the upper end of the door to the rear side, and is bent upward from the end of the vertical support portion, the inclined support portion when the rotating round surface is formed at the bottom rear and the door is opened at the top Is configured to include a locking portion formed with a door ground surface inclined corresponding to the inclined support portion to be in close contact with the
When the door is closed from the cover, the door supporting surface of the latching portion is closely supported by the inclined support portion, and when the door is pushed downward while pressing the door downward while the vertical supporting portion is erected to support the door, the door supporting ground of the locking portion is formed after the inclined supporting portion. Moving away from the inclined support part, the lower part of the locking part rotates to press the rear end of the inclined support part to press the second horizontal support part supported by the lower support downward, and the rotating round surface of the locking part is located at the rear end of the inclined support part. When the second horizontal support portion pushed downward is elastically returned to the upper side, the rear end of the inclined support portion is pushed to pivot the rotation round surface of the locking portion to the rear side, and the door is automatically attached to the cover while the vertical support portion is seated on the upper surface of the third horizontal support portion. Door for distribution panel having a semi-automatic door hinge structure, characterized in that configured to close .
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