KR200272036Y1 - Opening and shutting device of milk drop for burglarproof - Google Patents

Abstract

The present invention provides an inner container for guiding goods in the anti-theft rotary milk inlet, through which the milk can be formed at the lower side of the fire door so that external objects cannot be directly inputted, but only by the rotation of the closed state. An anti-theft milk opening and closing device for rotating the outer container in a different direction.

That is, both sides are rotatably hinged to the milk inlet of the door so that when the hinge pin is rotated on one side, the outer receptor is rotated so that the inner receptor provided inside the outer receptor is rotated in different directions by the rotating means on the other side. In the anti-theft milk inlet to guide the provided goods into the door,

Rotation of the hinge pin on one side, the rack bar having a pinion gear integrally coupled to the hinge pin, the pinion gear is engaged with the pinion gear to move up and down and the handle lever exposed to the outside of the door on the upper side, and the moved rack bar It is characterized in that it is rotated by the return spring to return to the state.

Description

OPENING AND SHUTTING DEVICE OF MILK DROP FOR BURGLARPROOF}

The present invention relates to an opening / closing device of an anti-theft milk inlet, and more particularly, to an opening and closing device of an anti-theft milk inlet for allowing the inner and outer receptors provided at the milk inlet of the door to be opened and closed by a simple operation outside the door. .

In general, fire doors such as houses, apartments, buildings, etc. are formed with a hole of a small diameter, that is, a milk inlet, in the lower side of the fire door to accommodate milk, newspapers, and other items delivered daily.

However, the above milk inlet is a structure that penetrates the inside and outside of the fire door, and recently, through this, a stolen device equipped with a camera is released to unlock the door and enter and enter a room. .

In order to solve such theft crime, a number of anti-theft devices of the milk inlet have been proposed. For example, the anti-theft milk inlet of Utility Model Registration No. 230729 is proposed by the present applicant.

1 and 2, in the milk inlet (H) formed in the fire door (D) or the like, the outer container is provided with a hinge to the milk inlet (H) to accommodate the feed that is supplied during rotation 10; An inner container 20 which is accommodated in the outer container 10 and hinged, and closes the milk inlet H while being rotated by changing the direction of rotation of the outer container 10; The middle part is fixed to one side of the outer container 10, one end is connected to the rotatable rotatable on one side of the inner container 20, the other end is rotatably connected to one inner wall of the milk inlet (H) A first hinge shaft 30; A second hinge shaft 40 having one end fixed to the other side of the outer container 10 and the other end extending to be rotatable to the other inner wall of the milk inlet H; A third end having one end fixed to the other side of the inner container 20 and the other end rotatably passing through the second hinge shaft 40 to be rotatably connected to the other inner wall of the milk inlet H; A hinge shaft 50; It is provided on one side end of the first hinge shaft 30 of the inner and outer receptors 20 and 10 to the outer peripheral surface of the first hinge shaft 30 to rotate and restore the first hinge shaft 30 when pulled. Rotating body 61 is integrally coupled with one end, the rest spring is fixed to the inner wall of the milk inlet (H) and the other end is fixed to one side of the outer peripheral surface of the rotating body 61 to generate an elastic restoring force, A pulling means including a pulling string 63 having one end fixed to one side of the outer circumferential surface of the rotating body 61 and exposed to the outside of the fire door D to rotate the rotating body 61 when the other end is pulled; ; It is configured to include a; provided on the other inner wall of the milk inlet (H) is rotated means 70 to rotate the inner and outer receptors 20, 10 in different directions when the pulling force of the pulling means is generated As the receiving inner and outer receptors are rotated in opposite directions by the rotating means when the pulling string is pulled, the milk inlet is opened only in one direction, so that the milk inlet does not have any gap from the outside to the inside, and the contents are provided indoors. Can be dropped.

However, the above-described method has a problem in that the milk inlet cannot be used when the wire is retracted by rotating the inner and outer receptors by pulling the wound wire.

The present invention is devised to solve the above problems, the object of the present invention is to improve the pulling means for opening and closing the inner and outer receptor in the pre-registered utility model registration No. 230729, the user from the outside of the door Is to guide the article to the milk inlet by a simple operation and at the same time to allow the inner and outer receptors to rotate in a stable state.

1 is a perspective view of a conventional anti-theft rotary milk inlet is installed on the door,

2 is a front cross-sectional view of FIG.

Figure 3 is a front sectional view showing the opening and closing device of the anti-theft milk inlet according to the present invention,

4 is an exploded perspective view of FIG. 3;

5 is a side cross-sectional view of the coupled state of FIG.

<Description of the symbols for the main parts of the drawings>

D: Door H: Milk Inlet

10: outer receptor 11,12,21,22: closure

20: medial receptor

30: first hinge axis 40: second hinge axis

41: communication hole 50: third hinge axis

70: rotating means

72: first bevel gear 74: second bevel gear

76: third bevel gear 77: rotating shaft

80: outer cover 90: inner cover

100: Volt

60: pinion gear 62: rack bar

64: handle lever 66: return spring

In order to achieve the above object, the present invention provides a hinge to the milk inlet of the door so that both sides are rotatable so that the outer container is rotated when the hinge pin is rotated on one side, so that the inner container provided inside the outer container is rotated by the other rotating means. In the anti-theft milk inlet is rotated differently to guide the goods provided from the outside of the door to the inside of the door,

Rotation of the one side of the hinge pin, the pinion gear integrally coupled to the hinge pin, and the rack bar having a handle lever so that the pinion gear is engaged with the pinion gear to move up and down and exposed to the outside of the door on the upper one side, the person can enjoy; Rotate and return by the return spring to return the moved rack bar to the initial state.

According to the above features, the present invention, when moving the lever lever exposed to the outside of the door downwards by rotating the pinion gear by the rack bar interlocking the outer receptor and the known rotation means by the inner and outer receptors are rotated in different directions Opening the receiving space and removing the Nurum pressure of the handle lever is to close the inner and outer receptors are rotated to the initial state to discharge the goods inside the door.

Hereinafter, the opening and closing device of the anti-theft milk inlet according to the present invention will be described in detail with reference to the accompanying drawings, and the same structure as in the prior art will be described using the same reference numerals.

3 is a front sectional view of the opening and closing device of the anti-theft milk inlet according to the present invention, Figure 4 is an exploded view of Figure 3, Figure 5 is a side view of Figure 3 or 4.

The present invention is applied to the milk inlet (H) formed in a general door or fire door (D), etc., the inner and outer receptors 20, 10, and the inner and outer receptors (20) 10, the milk inlet (H) The first, second and third hinge shafts 30, 40 and 50 which are hinged to the inner wall and allow rotation, and the outer container 10 is hinged to the inner container 20. And a pin bar gear 620 coupled to the first hinge shaft 30 to rotate the rack bar 620 having the handle lever 660 on the upper side while rotating the pinion gear 600 engaged with the ascending and descending; Known rotating means for varying the direction of rotation of the inner and outer container 20, 10 by using the return spring 660 to return the moved rack bar 620 to the initial state and the rotational force of the outer container 10 It comprises 70.

The inner and outer receptors 20 and 10 each take a semi-cylindrical shape that is open in one direction so as to accommodate a product received through the milk inlet H when rotated, and both ends are provided on both sides of the product. It has closures (11) (12) (21) (22) to prevent the departure. And the inner container 20 takes the shape of being inserted into the outer container (10).

In addition, the outer side milk inlet (H) of the door (D) is provided with a guide portion (G) for guiding the outer end of the outer end of the inner and outer container 20, 10 is rotated.

The first hinge shaft 30 has an intermediate portion integrally fixed to one side closing portion 11 of the outer container 10, and one end thereof is fixed to the closing portion 21 of the inner container 20. 20 is rotatably connected and the other end is rotatably extended to one side inner wall of the milk inlet (H) is hinged.

In addition, the pinion gear 600 is integrally coupled to the end circumferential surface of the first hinge shaft 30 to rotate integrally, and a vertical rack bar 620 is engaged with the outer circumferential surface of the pinion gear 600, and the rack bar is engaged. 620 is moved up and down along the guide member provided inside the outer cover. And the upper end of the rack bar 620 is provided with a handle lever 640 that is exposed to the outside of the outer cover so that a person can move by hand, one end of the rack bar 620 is moved to the rack bar 620 The return spring 660 is fixed and the other end is fixed to the inner side of the outer cover.

The second hinge shaft 40 has a hollow communication hole 41 penetrating along the axial direction, one end of which is fixed to the other side closing part 12 of the outer container 10, and the other The end portion is rotatably extended to the other inner wall of the milk inlet (H).

One end of the third hinge shaft 50 is fixed to the other side closing portion 22 of the inner container 20, and the other end thereof is rotatable in the communication hole 41 of the second rotation shaft 40. Passing through the hinge is rotatably connected to the other inner wall of the milk inlet (H).

The rotating means 70 is provided on the inner wall of the milk inlet (H) to allow the inner and outer receptors 20 and 10 to rotate in different directions when a rotational force of the pinion gear 600 is generated. The second bevel gear 72 is fixedly rotated of the hinge shaft 40, and the first bevel gear 72 is provided to be opposed to the predetermined width spaced state and is fixed to the third hinge shaft (50) The second bevel gear 74 is engaged with the first and second bevel gears 72 and 74 to reverse the rotation direction of the second bevel gear 74 when the first bevel gear 72 rotates. And a third bevel gear 76 for switching.

In the drawing, reference numeral 77 denotes a rotating shaft, and the third bevel gear 76 is rotatably fixed to the inner wall of the milk inlet H.

In the drawing, reference numeral 100 denotes a bolt, which tightens and loosens the inner cover 90 tightly fitted to the inside of the door D and the outer cover 100 tightly fitted to the outside of the door D from the inside of the door D. FIG. This is to dismantle and combine at the time, the guide portion (G) is formed in the outer cover (80) to prevent the tool or the like is inserted into the outside of the inner and outer receptors (20, 10).

The operation of the anti-theft rotary milk inlet configured as described above will be described in more detail with reference to the accompanying drawings.

When pressing the handle lever 640 exposed to the outside of the fire door (D) when the product is introduced into the milk inlet (H) installed in the door, the rack bar 620 is moved downward to rotate the pinion gear 600 engaged. And the pinion gear 600 is rotated by the first hinge shaft 30 connected integrally so that the outer container 10 is rotated. At the same time, the outer container 10 which is rotated rotates the second hinge shaft 40 integrally connected, and at the same time, the second hinge shaft 40 rotates the first bevel gear 72 connected thereto. The engaged third bevel gear 76 is rotated. In a continuous operation, the third bevel gear 76 rotates the second bevel gear 74 facing the first bevel gear 72 such that the second bevel gear 74 is the first bevel gear 72. Will rotate in the opposite direction.

Accordingly, the third hinge shaft 50 rotates in the opposite direction to the second hinge shaft 40 so as to rotate the inner container 20 integrally connected to the outer container 10 in a direction opposite to the outer container 10. do.

That is, the outer container 10 is closed when the inner container 20 is rotated when opening the milk inlet (H) and the inner container 20 is again accommodated in the outer receptor 10 when the closed Without opening the milk inlet (H) will be able to move the offering to the inside of the fire door (D).

Subsequently, when the external force of the handle lever 640 is removed, the return spring 660 pulls the rack bar 620 with an elastic force and rotates it to an initial state so that the inner and outer receivers 20 and 10 rotated in opposite directions again. Returning to the original position is to drop the received offer to the room.

Therefore, in the opening and closing device of the anti-theft milk inlet according to the present invention, when the knob lever exposed from the outside of the door is moved downward, the inner and outer receptors are different in direction and open the article receiving space and remove the pressurization pressure of the knob lever. The inner and outer receptors are closed and rotated to an initial state so that the article is discharged into the door so that the stable rotation of the inner and outer receptors and the user's operation are easier.

It is apparent to those skilled in the art that the present invention is not limited to the embodiments described, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or modifications will have to belong to the utility model registration claims of the present invention.

Claims (1)

A hinge is provided at both sides of the door to the milk inlet of the door to be rotatable so that when the hinge pin is rotated on one side, the outer receptor is rotated so that the inner receptor provided inside the outer receptor is rotated in a different direction by the other rotating means. In the anti-theft milk inlet to guide the goods inside the door, Rotation of the one side hinge pin, The pinion gear is integrally coupled to the hinge pin, the pinion gear is engaged with the pinion gear and moves up and down, the rack bar having a handle lever exposed to the outside of the door on one side and the person can enjoy, and the moved rack bar is returned to the initial state. Anti-theft milk inlet opening and closing device characterized in that to be rotated and returned by the return spring.