JP3118277U - Automatic opening device for drawer slide rail - Google Patents

Abstract

An automatic opening device structure for a drawer slide rail is provided.
An automatic opening device for a drawer slide rail is connected to a sliding groove of a fixed base provided on a slide rail of a housing to provide a movement of a sliding rod, and a pressure interlocking and elastic member of a sliding rail interlocking rod fixed to the drawer The pulling force is applied to the drawer according to the guide groove, meshing groove, external guide branching groove and external guide groove provided on the back of the positioning shaft and the sliding rod by swinging the rotary shaft connected to the fixed base. Sometimes an automatic opening function can be realized. Further, when the drawer is opened, it has an automatic opening function after applying pressure to the drawer and sliding and moving the distance inside. Thus, the drawer does not malfunction due to carelessness of the user or child. For this reason, safety can be improved.
[Selection] Figure 2

Description

  The present invention relates to a kind of automatic opening device for the drawer slide rail, which realizes the automatic opening function of the drawer and is operated by pressing each part of the drawer panel, so that the operation is convenient. Safety is improved because there is no malfunction caused by carelessness of children and the like that does not take up space.

In the mechanism of the device that automatically opens the drawer when it is pushed, a single opening device is provided in the middle of the rear wall of the drawer housing. By pushing the drawer panel, it automatically pops out a distance and realizes the opening function. However, there are the following disadvantages.
1. The automatic opening device can be opened automatically by installing it in the middle part. However, it cannot be operated when the place on both sides of the drawer is pushed. For this reason, the automatic opening function that appeals convenience is inconvenient for the user.
2. Since the automatic opening device takes up space inside the housing, it limits the space used for drawers.
3. When the drawer is shocked by carelessness of the user or child, it may be opened due to a malfunction, which may affect the safety of the child.

  As a result of continuous research and improvement on the above drawbacks, the present inventor has devised a kind of automatic opening device for the drawer slide rail.

  The main purpose of the present invention is related to a kind of automatic opening device for the drawer slide rail, which is connected to the sliding groove of the fixed base provided on the slide rail of the housing, provided for the movement of the sliding rod, and fixed to the drawer The slide link interlocking rod's pressure interlocking force and the elastic member's return force amount are as follows: the guide shaft, the meshing groove, the external guide branching groove and the external guide groove provided on the back of this positioning shaft and sliding rod by shaking the rotation shaft connected to the fixed base The drawer can realize an automatic opening function when pressure is applied. After the use of the drawer is completed, the automatic opening function can be repeated when the pressure is applied next time by returning the drawer to the closed state.

  Another object of the present invention is to provide an automatic opening device for a kind of drawer slide rail, and the distance formed from the meshing portion of the meshing groove on the back surface of the sliding rod to the front end of the external guide branching groove is When the sliding rod moves forward and exceeds that distance, the fixed shaft and the rotary shaft are swung. One end of this positioning shaft enters the external guide groove through the external guide branch groove from the meshing portion. Release the engaged state. When the user applies pressure to the drawer panel, it can automatically open after applying pressure to the drawer and sliding the distance inward. Safety is improved because there is no malfunction caused by the carelessness of a user or child.

  Another object of the present invention is to provide a kind of automatic opening device for the drawer slide rail, and all the components of the automatic opening device are attached to the slide rail of the drawer and do not take up space inside the housing. There is an advantage that a space can be reduced as compared with the automatic opening device provided in the casing of the known technology.

  Another object of the present invention is to provide an automatic opening device for a kind of drawer slide rail, which is provided between the left and right sides of the drawer and the housing, and any part of the drawer panel is pushed. Then, after being slid within the distance inside, the automatic opening function is activated, giving the user convenience of operation.

The invention according to claim 1 is provided between the left and right sides of the drawer and the housing, and the slide rail of the drawer is at least a slide rail at a predetermined place on the inner surface of the space for housing the drawer inside the housing and a slide of the side wall fixed to the drawer. In the automatic opening device for drawer slide rails, which is composed of parts such as rails and sleeves, and is provided with a fixed base on the back side of the slide rail inside the drawer storage space that fixes the housing, and pulls in and out
The automatic opening device has one sliding rod, and the front and rear ends of the left and right sides are respectively provided with corresponding front guide rods and rear guide rods, which are provided in adjacent sliding grooves on both sides inside the sliding groove of the fixed base. Reciprocatingly slides in the sliding groove of the fixed base, a guide slope inclined downward is provided on the front side thereof, a fixing groove and a rear locking body connected to the fixing groove are provided near the center, and further on the front side thereof A fixing rod is provided, connected to one end of the spring, and fixed by the spring and the fixing base, and the back surface of the sliding rod is connected to each other by a guide groove, a meshing groove, an external guide branch groove, an external guide An open groove is provided to guide the approach of the fixed shaft to the slope body by shaking and swinging, and to communicate with the front side of the slope body. The above-mentioned guide groove is composed of an introduction groove, a refractive groove and a guide groove, Connect to one end of the above-mentioned meshing groove, and the opening groove on the back of the sliding rod When a guide body facing the exit of the external guide groove is provided, and the sliding rod guides one end of the lever fixed shaft, one end of the fixed shaft faces the slope body guide body, and the external guide branch groove on the back of the sliding rod Is connected to the other end of the engagement groove having an appropriate inclination angle, and the front side of the external guide branching groove extends while being bent, and is connected to an appropriate position on the front side of the external guide groove,
One swinging lever is connected to the rotating shaft on the rear side of the fixed base on the rear side so that the rotating shaft can rotate, and one end of the fixed shaft provided on the front side of the swinging lever is provided below the back of the sliding rod. This front end forms an arcuate shape, and when the swinging lever is rotated by the aforementioned fixed base, the arcuate shape is rotated by the arc guide groove provided on the bottom surface of the fixed base. Can improve the stability of
One interlocking body is provided at the front end of the slide rail to which the drawer is connected and fixed, and a slot is provided to form an interlocking rod at the front end.
The fixed base is provided with a sliding groove in the same direction as the front and rear reciprocating insertion / removal direction of the drawer, and a sliding groove in the same direction is provided on the opposite wall surface on both sides of the sliding groove, and the rear side of the sliding groove is an upper locking surface. The front side is bent while being bent downward to form a fixing groove. Further, a fixing groove is provided on the adjacent side wall behind the sliding groove, and the other end of the spring is fixed and fixed. A locking surface is provided in the vicinity of the upper portion of the sliding hook and is locked by a rear locking body of the sliding rod. A rotating shaft is provided on the rear side of the bottom surface of the wall inside the sliding groove of the fixed base. Rotating connection to both sides of the fixed base, further providing guide grooves on both sides of the fixed base, and connecting to the lower fixed slide grooves on both sides of the fixed base. It is an automatic opening device for the drawer slide rail, which is convenient.

The present invention has the following effects.
1. The slide groove of the external slide rail fixing base provided in the housing provides the sliding movement of the sliding rod 6, and the interlocking interlock of the inner slide rail interlocking rod fixed to the drawer and the elastic return force of the spring rotate to the fixing base. The function of opening automatically after the drawer is pushed is realized by the guide groove, the meshing groove, the external guide branching groove and the external plan guide on the fixed shaft and the sliding rod rear surface. After the use of the drawer is completed, it returns to the original position, enters the drawer closed state, is pushed by the next drawer, and then repeats the automatic opening function described above.
2. The distance A formed from the front end from the meshing portion of the sliding rod rear meshing groove to the external guide branching groove is that the sliding rod does not exceed the distance A. One end of the cable enters the external guide groove through the external guide branch groove from the meshing portion, meshes and disconnects the state, and when the user pushes the drawer panel, the user applies the force to the drawer to the inside. It can be released after sliding the distance A. Accordingly, the drawer can be improved in safety without malfunctioning due to the carelessness of the user or child.
3. Automatic opening device All parts are mounted inside the drawer slide rail, so there is no space inside the housing. Compared to the automatic opening device provided in the case of the known technology, there is an advantage that it does not take up space.
4. Since the automatic opening device is provided between the left and right sides of the drawer and the housing, any part of the drawer panel is pushed and slides back a distance A (FIGS. 13, 15, 18, and 19). Since it can be opened, the advantage of convenient operation can be provided to the user.

  1 to 23 show a kind of drawer slide rail automatic opening device according to the present invention, which is provided between the left and right sides of a drawer 92 (FIG. 7) and a casing 91, and the drawer slide rail (FIG. 5, 6) are an inner slide rail 1, an intermediate slide rail 2, and an outer slide rail 3 provided between the inner slide rail 1 and the intermediate slide rail 2, and between the first slide sleeve 10 and the intermediate slide rail 2 and the outer slide rail 3. Consists of parts such as a second sliding lining (not shown). Among them, the inner slide rail 1 is connected and fixed to the drawer 99, the outer slide rail 3 is connected and fixed to the casing 91, and one fixed base 7 is connected and fixed to the rear side of the outer slide rail 3. Pull out and push inward to close.

Its features are
This automatic opening device is provided with a sliding rod 6 (FIGS. 1, 3 and 13), and the front and rear ends of the left and right sides thereof are provided with a front guide bar 61 and a rear guide bar 62 in contrast, and a sliding groove of the fixed base 7 is provided. The sliding rod 6, which is connected to a rotating shaft in a sliding groove 701 provided on a wall surface adjacent to both sides of the inside 70, is reciprocally slid to the sliding groove 70 of the fixed base 7. Further, a guide slope 63 inclined downward in the front part is provided on the front side, and a fixing groove 64 and a locking body 66 for the fixing groove 64 are provided in the vicinity of the center. Further, a fixing rod 65 is provided on the front side, and is connected to one end of the spring 601, and then the spring 60 and the fixing base 7 are engaged and fixed. A guide slope 675 and a self-guide slope 675 in which the guide groove 671, the meshing groove 672, the external guide branch groove 673, the external guide groove 674 and the fixed shaft 82 of the guide swing lever 8 slide into the back surface of the sliding rod 6. An open groove 676 that is electrically connected to the front side is formed. The guide groove 6715 is composed of the introduction groove 6711, the refraction groove 6712, and the guide groove 6715. The refraction groove 6712 is connected to one end of the engagement groove 672.

  One swinging lever 8 (FIGS. 1, 2, and 14) is provided with a rotating shaft connecting portion 81 at the rear thereof, and the rotating shaft connecting surface of the rotating shaft 7001 on the rear side of the fixed base 7 is brought into a rotating shaft rotating state. It is provided on the sliding rod 6 at one end of the fixed shaft 82 provided on the front side of the lever 8.

  One interlocking body 11 (FIGS. 5, 11, and 14) is connected and fixed to the front end of the inner slide rail 1, is provided with a slot 110, and forms a front interlocking rod 111.

  The fixed base 7 (FIGS. 1 and 2) is provided with sliding grooves 70 in the same direction in which the drawer 92 is reciprocated back and forth, and sliding grooves 701 in the same direction are provided on the wall surfaces adjacent to both inner sides of the sliding groove 70 as a contrast. An upper locking surface 7011 is formed on the rear side of the groove 701, and the front side is extended while bending downward, thereby forming a lower fixed sliding groove 7012 (FIG. 11). A fixing groove 7013 is provided on the adjacent wall surface on the rear side of the sliding groove 70 to facilitate the engagement of the other end 602 of the spring 60; the sliding groove 70 is a locking surface on the upper part in the vicinity of the sliding groove 701. 702 is provided, and the fixing base 7 is provided on the inner bottom wall surface 700 of the sliding groove 70 by locking the upper portion of the rear locking body 66 of the sliding rod 6, and the rotary connection shaft 7001 is provided on the rear side thereof. The 8-rotation connecting portion 81 is connected to the rotating shaft.

  Regarding the above-described characteristics, when the drawer 92 is in the closed state (FIG. 7), the interlocking rod 111 on the connecting body 11 of the inner slide rail 1 fixedly connected to the drawer 92 is located in the fixing groove 64 of the sliding rod 6, The front guide bar 61 and the rear guide bar 62 are located near the center of the fixed base 7 sliding groove 701 (FIG. 11), and one end of the fixed shaft 82 of the swing lever 8 is the engaging groove 672 on the back of the sliding rod 6. When the front side surface of the drawer 92 is pushed and moved rearward (FIG. 8), the interlocking rod 111 of the inner slide rail 1 fixed by the drawer 92 is moved to the rear side. The rear locking body 66 of the sliding rod 6 is moved, the sliding rod 6 is moved to the rear, and the fixing rod 65 pulls the spring 60 backward, and at the same time, one end of the swing lever 8 fixed shaft 82 provided on the fixing base 7. Is the mesh provided on the back of the sliding rod 6 At the same time that the interlocking rod 111 moves from the external guide branch groove 673 to the external guide groove 674 through the meshing portion 6721 of the set groove 672 and moves the sliding rod 6 to the rear side of the slide groove 701, the back surface of the slide groove 6 The external guide groove 674 guides one end of the fixed shaft 82 of the swing lever 8 to the rear side 6741 (FIG. 15) of the external guide groove 674, the sliding rod 6 follows the interlock of the return force of the spring 60, and the sliding rod 6 is guided forward. The slide groove 701 of the fixed base 7 is slid forward by the rod 61 and the rear guide rod 62, and the front guide rod 61 is moved to the lower fixed slide groove 7012 (FIGS. 16 and 17) of the lower fixed slide groove of the slide groove 701. After engaging, the interlocking rod 111 is pulled away from the fixing groove 64 (FIG. 17) of the sliding rod 6 so that the interlocking rod 111 can be slid out to be opened and the automatic opening function is realized.

  FIG. 9 shows a state after the drawer 92 is opened, and the sliding rod 6 moves forward due to the restoring force of the spring 60. At the same time, the external guide groove 674 on the back surface is also guided rearward and swings. One end of the 8 fixed shaft 82 is located on the front side (FIG. 19) of the front opening groove 676 on the back surface of the sliding rod 6. Further, when the drawer 92 is returned to the original position to the rear side, after the sliding rod 6 of the interlocking body 11 fixed to the inner slide rail 1 of the fixed connection slides behind the sliding rod 6 on the rear side, Locked by the body 66, the sliding rod 6 is slid and moved backward, the fixing rod 65 pulls the spring 60 backward, and the sliding rod 6 is behind the sliding groove 70 of the fixed base 7 (FIGS. 20 and 21). At the same time, the guide groove 671 on the back surface of the sliding rod 6 swings the lever 8 and the one end of the fixed shaft 82 enters the guide groove 6711 in turn. invite. Due to the restoring force of the spring 60, the sliding rod 6 is slid rearward, and one end of the swing lever 8 fixed shaft 82 is guided forward by the guide groove 6713 of the introduction groove 671, and the meshing portion 6721 of the meshing groove 6712. When the sliding rod 6 is engaged and fixed (FIGS. 10 to 13), the drawer 92 returns to the closed state, and after the drawer 92 is pushed next time, the automatic opening operation is performed again.

  The above-mentioned opening groove 676 on the back surface of the sliding rod 6 is further provided with a guide body 6743 (FIGS. 3 and 13) facing the external guide groove 674, and when the sliding rod 6 swings and guides one end of the fixed shaft 82 of the lever 8. The one end of the fixed shaft 82 faces the sloped body 675.

  Further, the external guide branch groove 673 on the back surface of the sliding rod 6 is connected to the other end of the engagement groove 672 having an appropriate inclination angle, and the front side of the external guide branch groove 673 extends while being refracted. Connect to the appropriate location 6740 on the front side of the groove 674.

  Further, guide grooves 703 are further provided on both sides of the rear surface of the fixed base 7 so as to communicate with the lower fixed sliding grooves 7012 on both sides of the fixed base 7. During assembly, the sliding guide 6 can be easily inserted into the front guide bar 61 and the rear guide bar 62.

  An arcuate shape 820 is formed at the front end of the swing lever 8, and when the swing lever 8 rotates about the rotating shaft 7001 of the fixed base 7, the circular arc shape 820 is the bottom of the wall of the fixed base 7. Can be slid and moved by the circular arc guide groove 7002 provided on the surface, and the stability of rotation of the swing lever 8 rotation shaft can be improved.

As described above, the present invention has the following effects.
1. The slide groove 701 of the external slide rail 5 fixing base 7 provided in the housing 91 provides the sliding movement of the slide rod 6, and interlocks with the interlocking rod 111 of the inner slide rail 1 fixed to the drawer 92 and the spring 50. The elastic restoring force is guided by the guide shaft 671 on the back of the sliding lever 6 connected to the fixed base 7 and the guide groove 671 on the back surface of the sliding rod 6, the meshing groove 672, the external guide branching groove 673 and the external plan 674. Realizes a function that automatically opens after is pressed. After the use of the drawer 92 is completed, it returns to the original position, enters the drawer closed state, is pushed by the drawer 92 next time, and then repeats the automatic opening function described above.
2. The distance A formed from the front end 6731 from the meshing portion 6721 of the sliding rod 6 back meshing groove 672 to the external guide branching groove 673 is such that the sliding rod 6 does not exceed the distance A, and the fixed base 7 and the rotating shaft One end of the fixed shaft 82 of the swing lever 8 to be connected is wound around the external guide branch groove 673 from the meshing portion 6721, enters the external guide groove 674, and meshes to disconnect the state. When is pushed, by applying force to the drawer 92, the distance A inside can be slid and released. Thereby, the drawer 92 can improve safety without malfunctioning due to an inadvertent impact caused by a user or a child.
3. Automatic opening device All parts are mounted inside the drawer slide rail, so the internal space of the housing 91 is not taken up. Compared to the automatic opening device provided in the case of the known technology, there is an advantage that it does not take up space.
4. Since the automatic opening device is provided between the left and right sides of the drawer 92 and the housing 91, any part of the drawer 92 panel is pushed and a distance A (FIGS. 13, 15, 18, and 19) is placed on the rear side. Since it can be opened by sliding, it can provide the user with the advantages of convenient operation.

FIG. 3 is an elevational view of the fixed base, sliding rod, and spring in the embodiment of the present invention. It is this elevation combination figure by shaking with a fixed base, a slide rod, and a spring in the embodiment of the present invention. FIG. 4 is an exploded view of the bottom surface of the present invention in the embodiment of the present invention by shaking with a fixed base, a sliding rod and a spring. FIG. 4 is a bottom elevational view of a fixed base, sliding rod, and spring in the embodiment of the present invention. In the Example of this invention, it is an elevation | expansion exploded view which is provided in an external slide rail and does not provide a slide rail sleeve. In the Example of an invention, it is a slide rail elevation view of a drawer. In the Example of an invention, it is an elevational view of a housing and a drawer. In the Example of an invention, it is an elevational view of the state pressed between the case and the drawer. In the Example of an invention, a housing | casing and drawer | drawer are elevation views after automatic opening. It is a top view schematic diagram of the state in which the sliding rod in the embodiment of the present invention is engaged. It is a side view top view schematic diagram of the state in which the sliding rod in the Example of this invention has meshed | engaged. It is a bottom view top schematic diagram of the state in which the sliding rod in the Example of this invention meshes | engages. FIG. 6 is a bottom schematic cross-sectional view of a swinging lever when the sliding rod in the embodiment of the present invention is in an engaged state. It is a top view schematic diagram when the sliding hook in the Example of this invention is moved to the sliding groove | channel of a fixed base. When the sliding rod in the embodiment of the present invention is moved to the sliding groove of the fixed base, the sliding rod is shaken with the sliding rod and is a schematic cross-sectional view in the bottom view of the position fixing shaft. The sliding rod in the embodiment of the present invention is a schematic top plan view when it is moved to the front side of the sliding groove of the fixed base by the force of the spring. The sliding rod in the embodiment of the present invention is a schematic plan view in a side view when it is moved to the front side of the sliding groove of the fixed base by the force of the spring. The sliding rod in the embodiment of the present invention is a schematic view in bottom view when it is moved to the front side of the sliding groove of the fixed base by the force of the spring. When the sliding rod in the embodiment of the present invention is moved to the front side of the sliding groove of the fixing base by the force of the spring, it is shaken and is a schematic view in bottom view of this position fixing shaft. FIG. 6 is a schematic plan view when the sliding rod in the embodiment of the present invention is moved to the sliding groove from the sliding groove front surface of the fixed base. FIG. 5 is a schematic side view when the sliding rod in the embodiment of the present invention is moved to the sliding groove on the rear side from the front surface of the sliding groove of the fixed base. It is a bottom view schematic diagram when the sliding rod in the embodiment of the present invention is moved from the sliding groove front surface of the fixed base to the rear side of the sliding groove. It is a bottom view section schematic diagram when the sliding rod in the example of the present invention is moved from the sliding groove front surface of the fixed base to the rear side of the sliding groove.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Inner slide rail 111 Interlocking rod 5 Slide rail 50 Spring 6 Sliding rod 60 Spring 602 Other end 61 Front guide rod 62 Rear guide rod 64 Groove 65 Fixing rod 66 Back latching body 671 Introduction groove 672 Engagement groove 6721 Engagement part 673 External guide branch groove 6731 Front end 674 External guide groove 6740 Front appropriate place 6743 Guide body 675 Slope body 676 Open groove 6712 Engagement groove 6713 Guide groove 6721 Engagement section 7 Fixing base 70 Slide groove 700 Wall bottom surface 701 Slide groove 7001 Rotating shaft 7002 Arc guide groove 703 Guide groove 7011 Upper locking surface 7012 Lower fixed sliding groove 7013 Fixed groove 8 Swinging lever 81 Rotating connection portion 82 Fixed shaft 820 Arc shape 91 Housing 92 Drawer

Claims (1)

Provided between the left and right sides of the drawer and the housing. The drawer slide rail consists of at least a slide rail on the inner side of the space that houses the drawer inside the housing, a slide rail on the side wall fixed to the drawer, and parts such as a sleeve. In an automatic opening device for drawer slide rails, which is provided with a fixed base on the back side of the slide rail inside the drawer storage space that configures and fixes the housing, and draws in and out the drawer,
The automatic opening device has one sliding rod, and the front and rear ends of the left and right sides are respectively provided with corresponding front guide rods and rear guide rods, which are provided in adjacent sliding grooves on both sides inside the sliding groove of the fixed base. Reciprocatingly slides in the sliding groove of the fixed base, a guide slope inclined downward is provided on the front side thereof, a fixing groove and a rear locking body connected to the fixing groove are provided near the center, and further on the front side thereof A fixing rod is provided, connected to one end of the spring, and fixed by the spring and the fixing base, and the back surface of the sliding rod is connected to each other by a guide groove, a meshing groove, an external guide branch groove, an external guide An open groove is provided to guide the approach of the fixed shaft to the slope body by shaking and swinging, and to communicate with the front side of the slope body. The above-mentioned guide groove is composed of an introduction groove, a refractive groove and a guide groove, Connect to one end of the above-mentioned meshing groove, and the opening groove on the back of the sliding rod When a guide body facing the exit of the external guide groove is provided, and the sliding rod guides one end of the lever fixed shaft, one end of the fixed shaft faces the slope body guide body, and the external guide branch groove on the back of the sliding rod Is connected to the other end of the engagement groove having an appropriate inclination angle, and the front side of the external guide branching groove extends while being bent, and is connected to an appropriate position on the front side of the external guide groove,
One swinging lever is connected to the rotating shaft on the rear side of the fixed base on the rear side so that the rotating shaft can rotate, and one end of the fixed shaft provided on the front side of the swinging lever is provided below the back of the sliding rod. This front end forms an arcuate shape, and when the swinging lever is rotated by the aforementioned fixed base, the arcuate shape is rotated by the arc guide groove provided on the bottom surface of the fixed base. Can improve the stability of
One interlocking body is provided at the front end of the slide rail to which the drawer is connected and fixed, and a slot is provided to form an interlocking rod at the front end.
The fixed base is provided with a sliding groove in the same direction as the front and rear reciprocating insertion / removal direction of the drawer, and a sliding groove in the same direction is provided on the opposite wall surface on both sides of the sliding groove, and the rear side of the sliding groove is an upper locking surface. The front side is bent while being bent downward to form a fixing groove. Further, a fixing groove is provided on the adjacent side wall behind the sliding groove, and the other end of the spring is fixed and fixed. A locking surface is provided in the vicinity of the upper portion of the sliding hook and is locked by a rear locking body of the sliding rod. A rotating shaft is provided on the rear side of the bottom surface of the wall inside the sliding groove of the fixed base. Rotating connection to both sides of the fixed base, further providing guide grooves on both sides of the fixed base, and connecting to the lower fixed slide grooves on both sides of the fixed base. An automatic opening device for drawer slide rails, which is convenient.

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