KR100729201B1 - Automatic closing device having a damping function for slide - Google Patents

Abstract

An automatic closing device with a damping function for slide is provided to improve operation reliability by reducing breakage of a moving pin joined to a guide member. The automatic closing device with a damping function for slide is composed of a fixed member(10) settled at the end of a fixed rail of a slide rail and provided with a moving pin(14) movably installed at an inner guide unit(12); a moving member(20) sliding on the fixed member; and a guide member fixed to the moving pin protruded through the moving member and fixed at the end of a moving rail to fold the slide rail. A first spring joining groove(17) into which one side of an elastic spring(16) is inserted, to connect the moving member and the elastic spring is formed at one longitudinal side of the fixed member. Screw joining pieces(18) having a screw joining hole are combined at both sides of the other longitudinal side. A second spring joining groove(22) into which the other side of the elastic spring is inserted is formed at one side of the moving member. A screw nut(24) having a through-hole through which a screw combined to the screw joining hole passes is combined on the other side of the moving member. Both ends of the screw are rotatably joined to the screw joining hole of the screw joining piece and formed with threads on the outer peripheral surface at regular intervals.

Description

Automatic closing device for slide with damping function {AUTOMATIC CLOSING DEVICE HAVING A DAMPING FUNCTION FOR SLIDE}

1 is a perspective view showing an automatic closing device for a slide having a damping function according to the present invention;

2 is a cross-sectional view taken along the line A-A of FIG.

Figure 3 is a state diagram showing a moving member according to the present invention,

Figure 4 is a state diagram of the automatic closing device for a slide having a damping function according to the movement of the moving member according to the present invention,

5 is a plan view showing a guide member according to the present invention;

Figure 6 is a state diagram showing a state in which the moving pin is bound to the guide member according to the present invention,

Figure 7 is a state diagram showing a conventional automatic closing device,

8 is a view showing a moving pin guide of a conventional automatic closing device.

<Description of Symbols for Main Parts of Drawings>

10: fixing member 12: guide portion

14: Moving pin 16: Elastic spring

17: First spring binding groove 18: Screw binding piece

19: screw binding hole 20: moving member

22: 2nd spring binding groove 24: Screw nut

25: through hole 30: guide member

32: moving pin binding groove 33: guide surface

40: screw

The present invention relates to an automatic closing device for a slide having a damping function, and more particularly, to reduce the tension of the spring during the folding operation of the slide rail to be folded more smoothly to prevent damage to the closing device and to maintain accordingly. It relates to a slide automatic closing device having a damping function that can reduce the cost.

In general, a fixing rail and a moving rail for guiding a user to easily withdraw a stored object are installed on an inner wall surface of a storage device and a refrigerator for storing goods, and the fixed rail and the moving rail are foldable (extension). / Shrinkage) Sliding structure is installed to open and close the storage mechanism and the refrigerator by the external force action by the user, and the opening and closing state of the storage box can be made accurately and automatically on the slide rail for easier opening and closing. It is equipped with a closing device.

7 or 8 shows a conventional automatic closing device, Republic of Korea Utility Model Publication No. 269498 (2002.03.12, designation: slide rail separation device), the fixing provided on the fixing rail 100 A member 110, a movable member 120 provided on the movable rail, a movable pin 130 and a movable pin guide 135 for controlling the detachment of the movable rail by the movement of the movable member 120; It comprises a spring 140 for connecting the fixing member 100 and the moving member 120, mounting the fixing member 110 to the fixed rail 100 and mounting the moving member 120 to the moving rail Then, the slide rail separating device configured to perform fastening and releasing of the moving member 120 by the moving pins 130, which not only makes it easy to separate and combine the storage box but also absorbs shock on one side of the fixing member. The unit 150 is provided with an impact generated when the moving rail is closed. Minimize.

However, the automatic closing device is easily damaged due to the fixing member 110 and the moving member 120 to the impact as the moving member 120 is moved to the original position by the restoring force by the spring 140 when the moving rail is folded. The maintenance cost, such as the need to be replaced from time to time, increases, and there is a problem of lowering the convenience of use such as inconvenience in use due to noise generation due to impact.

In addition, when the movable rail is folded, the movable pin 130 is guided to the movable pin guide 135 to fold the movable rail, which is moved to the guide groove 136 of the movable pin guide 135 at the time of folding or folding. The pin 130 is in a tightly coupled state, such that the moving pin 130 is easily broken or broken by external pressure.

The present invention has been made to solve the above problems, an object of the present invention is to reduce the tension of the spring during the folding operation of the slide rail to be folded more smoothly to prevent damage to the closing device and to be bound to the guide member It is possible to improve the operation reliability by reducing the breakage of the moving pin, and to provide an automatic closing device for a slide having a damping function that can reduce the maintenance cost accordingly.

The configuration of the present invention for solving the above object is a fixed member having a moving pin fixed to the end of the fixed rail of the slide rail and movable in the inner guide portion, and a movable member slidingly moved from the upper side of the fixed member In the automatic closing device for a slide having a damping function consisting of a guide member which is fixed to the end of the moving rail to fold the slide rail while binding to the moving pin protruding through the moving member, the fixed One side in the longitudinal direction of the member is formed with a first spring binding groove is inserted into one side of the elastic spring to be coupled to the moving member and the elastic spring, the screw binding piece is formed on both sides of the other longitudinal direction Is coupled, one side of the moving member is to be coupled to the other side of the elastic spring is inserted Two spring binding grooves are formed, the other side is coupled to the screw nut is formed through the through-hole through the screw bound to the screw binding hole, both ends are bound to the screw binding hole of the screw binding piece and threaded at regular intervals on the outer peripheral surface Characterized in that it comprises the formed screw.

Here, the moving pin binding groove formed on the inside of the guide member is formed to have a length longer than the diameter of the moving pin to secure the flow space of the moving pin to prevent breakage due to the pressing force during the folding operation of the moving rail. desirable.

Hereinafter, with reference to the accompanying drawings will be described in detail an automatic closing device for a slide having a damping function of the present invention.

1 is a perspective view showing an automatic closing device for a slide having a damping function according to the present invention, Figure 2 is a cross-sectional view taken along the line AA of Figure 1, Figure 3 is a state diagram showing a moving member according to the present invention, Figure 4 Figure 5 is a state diagram of the automatic closing device for a slide having a damping function according to the movement of the moving member according to the present invention, Figure 5 is a plan view showing a guide member according to the present invention, Figure 6 is a moving pin on the guide member according to the present invention This is a state diagram showing the bound state.

As shown in the figure, the automatic closing device for a slide having a damping function according to the present invention is fixed to the end of the fixed rail of the slide rail and provided with a movable pin 14 to be movable to the inner guide portion 12 The slide rail is folded while being fixed to the fixed member 10, the movable member 20 slidingly moved above the fixing member 10, and the movable pin 14 protruding through the movable member 20. It consists of a guide member 30 is fixed to the end of the moving rail of the slide rail.

The fixed member 10 and the movable member 20 and the guide member 30 provided with the movable pin 14 are well known in the art and will not be described herein any further. Only the description will be made.

One side of the fixing member 10 in the longitudinal direction is formed so that one side of the elastic spring 16 is inserted and bound to connect the conventional fixing member 10 and the moving member 20 to the elastic spring 16. One spring binding groove 17 is formed, the second spring binding groove so that the other side of the elastic spring 16 is inserted into one side of the movable member 20 opposite to the first spring binding groove 17. (22) is formed.

In addition, it is preferable that the screw binding piece 18 having the screw binding hole 19 formed therein is coupled to both sides of the other side of the fixing member 10 in a rotatable manner in which the screw 40 to be described below is rotatably inserted. In addition, a bearing (not shown) may be provided inside the screw binding hole 19 to facilitate rotation of the screw 40.

Both ends of the screw 40 are rotatably coupled to the screw binding hole 19 of the screw binding piece 18, and threads are formed on the outer circumferential surface at predetermined intervals.

The other side of the moving member 20 is coupled to the screw nut 24 having a through hole 25 is formed so that the screw 40 to be described later through, the inner peripheral surface of the through hole 25 and the screw 40 and Preferably, threads of equal intervals are formed.

That is, the movable member 20 is coupled to the elastic spring 16 is coupled to one side, the screw nut 24 is coupled to the other side so that the screw 40 penetrates so as not to be separated from the fixing member 10. In the folding operation of the slide rail, the movable member 20 is moved above the fixing member 10 by the tension of the elastic spring 16. In this case, the movable member 20 slides on the screw 40. As you move straight.

Therefore, the movable member 20 is not temporarily folded by the tension of the elastic spring 16, but is folded while rotating the screw 40, thereby causing damage to the fixing member 10 and the movable member 20 according to the pressing force. Can be reduced.

On the other hand, the moving pin binding groove 32 formed on the inside of the guide member 30 to ensure the flow space of the moving pin 14 during the folding operation of the slide rail of the slide rail to prevent damage caused by the pressing force It is preferably formed to have a length longer than the diameter of the pin 14.

That is, when the moving pin 14 is coupled to the moving pin binding groove 32, the moving pin 14 contacts the inner circumferential surface of the moving pin binding groove 32 by a collision or an external pressing force so that the moving pin 14 does not break. The flow space of the fin 14 is formed, and the said flow space is enough about 2 mm.

Looking at the operation and effect of the present invention configured as described above, while fixing the fixing member 10 to the end of the fixed rail of the slide rail with a rivet or the like, the guide portion 12 formed in the longitudinal direction inside the fixing member 10 After fixing the movable pin 14 in a state in which the movable pin 14 is coupled to the movable member 14, the movable member 20 is placed on the fixing member 10.

At this time, before placing the movable member 20 on the upper side of the fixing member 10, the screw 40 is placed in a state of penetrating the screw nut 24 of the movable member 20, and the screw 40 The both sides of the) is inserted into the screw binding piece 18, and then the screw binding piece 18 is bound to the fixing member 10 with a rivet or the like so as not to be separated.

Thereafter, both ends of the elastic spring 16 are inserted into the first spring binding groove 17 of the fixing member 10 and the second spring binding groove 22 of the movable member 20, and the slide is performed. The guide member 30 to which the moving pin 14 is coupled is fixed to an end of the moving rail of the rail.

After completing the automatic closing device of the slide in the above state is used to fix the slide rail to the side of the drawer box, etc. In this case, in the open state of the drawer box to the guide portion 12 of the fixing member 10 The moving pin 14 is bound, that is, the moving pin 14 is bound to the curved section of the guide portion 12, the elastic spring 16 is the movable member 20 in the extended state as possible Connected with

When the drawer box is closed in this state, the moving pin 14 interferes with the guide member 30 fixed to the moving rail to the moving pin binding groove 32 along the guide surface 33 of the guide member 30. In this case, the moving pin 14 is moved by a tension of the elastic spring 16 after passing through a curved section of the guide part 12.

Meanwhile, the moving member 20 including the moving pin 14 is moved by the tension of the elastic spring 16. In this case, the moving member 20 is linearly moved while rotating the screw 40. It does not move smoothly, but smoother.

That is, the screw 40 is damped to reduce the tension of the elastic spring 16 to prevent the breakage of the fixing member 10 and the moving member 20 due to the sudden movement.

According to the present invention as described above, by reducing the tension of the spring during the folding operation of the slide rail to be folded more smoothly to prevent breakage of the closing device, and also to reduce the damage of the moving pins bound to the guide member to ensure the operation reliability There is an advantage that can be improved, thereby reducing the maintenance costs.

Claims (2)

A fixed member having a moving pin fixed to an end of the fixed rail and movable in an inner guide portion of the slide rail, a movable member slidingly moved from an upper side of the fixed member, and the movable pin projecting through the movable member In the automatic closing device for a slide having a damping function consisting of a guide member which is fixed to the end of the moving rail of the slide rail to fold the slide rail while being bound to One side in the longitudinal direction of the fixing member 10 is formed with a first spring binding groove 17 in which one side of the elastic spring 16 is inserted and fastened to be connected to the moving member 20 and the elastic spring 16. On both sides of the other side in the longitudinal direction, the screw binding piece 18 in which the screw binding hole 19 is formed is coupled, One side of the movable member 20 has a second spring binding groove 22 is formed so that the other side of the elastic spring 16 is inserted and bound, the other side of the screw 40 is bound to the screw binding hole 19 The screw nut 24 having the through-hole 25 formed therethrough is coupled thereto. Both ends are rotatably coupled to the screw binding hole 19 of the screw binding piece 18, and a slide having a damping function, characterized in that it comprises the screw 40 is formed on the outer circumferential surface at a predetermined interval. Automatic closing device for The method of claim 1, The moving pin binding groove 32 formed inside the guide member 30 secures a flow space of the moving pin 14 during the folding operation of the moving rail to prevent breakage due to pressing force. Automatic closing device for a slide having a damping function, characterized in that formed to have a length longer than the diameter of.

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