CN201164232Y - Automatic closing device of hidden drawer slide rail - Google Patents

Abstract

The automatic closing device for hidden drawer slide rail is formed from fastening block, connecting piece, slide block, elastic element, connecting piece and fixing seat, and its number of components is small, and its assembled volume is small, and it does not occupy space, and the fixing seat has no need of mounting upper cover, so that it can relatively save component cost and manpower and working time for assembling. In addition, because the elastic element is exposed out of the fixed seat, the elastic element can not rub the fixed seat when being stretched in a reciprocating manner, the damage rate of the elastic element can be relatively reduced, and the elastic element is exposed, so that the aims of convenient replacement, assembly and disassembly are relatively fulfilled; furthermore, the clamping block can be connected with the sliding block through the connecting piece, so that the clamping block is in a bendable state, thereby ensuring that the action of automatic closing is smoother, and in addition, the automatic closing device can be conveniently and rapidly assembled or disassembled with the inner sliding rail through the fixing seat.

Description

An automatic closing device for a hidden drawer slide rail

technical field

The utility model relates to a drawer of furniture, in particular to an automatic closing device of a hidden drawer slide rail. In addition to the automatic closing function, it also has the advantages of small size, no space occupation, and the fixed seat does not need to use an upper cover. The cost of components and manpower and man-hours for assembly are saved, and the fixing seat can be easily assembled and disassembled with the inner slide rail.

Background technique

The previously disclosed utility model of the same applicant, Chinese Patent No. ZL200620119578.X, also has an automatic closing function, but it has many components.

Utility model content

The main purpose of the utility model is to provide an automatic closing device for a hidden drawer, which has a more streamlined structure, a small volume, does not occupy space, and the fixing seat does not need to be equipped with an upper cover, which can relatively save component costs and manpower for assembly and working hours.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic closing device for a hidden drawer slide rail, comprising:

The fixing seat is fixed on the bottom end surface of the inner sliding rail which is locked and connected with the cabinet body in the drawer slide rail. There is a groove on the front side of the groove, and a block connected to the front end of the groove, the front end of the block also forms another groove with the front side of the fixing seat, and the front side of the other side wall forms a The lower wall also has a limit rail, the front end of the limit rail is also connected to a slot, and the other side wall is also provided with a stopper;

The slider has a slider part, and the slider part linearly reciprocates and slides between the two side walls of the fixing seat. One side of the slider also has at least one fixing groove, and the fixing groove is at least provided with the elastic element. One side of the elastic element is fixed, while the other side of the elastic element is fixed with the positioning groove of the fixed block provided on the bottom end surface of the inner slide rail;

Connecting piece, one end is connected with the slider, and the other end is connected with the latching block, and a distance is formed between the slider and the latching block, and the part of the connecting piece that is not connected to the slider and the latching block is The flake is in a bendable state, and the connecting piece is elastic;

The catch block has a hollowed-out part on the rear side and also protrudes an elastic support arm, while the front side also has a card slot, and the other side of the front side has a positioning groove, and the positioning groove The rear side is also adjacent to a protruding part, and there are two inner guides for guiding the locking block to slide along the limit rail on the lower wall surface of the other side wall of the fixing seat above the locking block. , the outer limit block, and the arm of the locking block is pressed against the side wall of the fixed seat, and the inner limit block is pressed against the inner side of the limit rail of the other side wall of the fixed seat;

The linking piece is connected to the side wall of the outer slide rail fixedly arranged in the drawer slide rail and locked and connected with the drawer.

The utility model has few components, the volume after assembly is small, does not occupy space, and the fixing seat does not need to be equipped with an upper cover, which can relatively save component costs and assembly manpower and man-hours; When the element is stretched back and forth, it will not rub against the fixed seat, which can relatively reduce the damage rate of the elastic element, and because the elastic element is exposed, it is relatively convenient for replacement, assembly, and disassembly; The sliding block is connected so that the locking block is in a bendable state, so that the automatic closing action is smoother; in addition, the automatic closing device of the utility model can be easily and quickly assembled or disassembled with the inner slide rail through its fixing seat.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model;

Fig. 2 is the three-dimensional assembly drawing of the present utility model;

Fig. 3 is another three-dimensional exploded view of the utility model embodiment;

Fig. 4 is another perspective combination diagram of the utility model embodiment;

Fig. 5 is a schematic bottom plan view of the stopper on the front wall of the positioning groove where the locking block is positioned on the fixed seat and the linkage is separated from the locking block in the embodiment of the utility model;

Fig. 6 is a schematic bottom plan view of an embodiment of the present invention in which the locking block is positioned on the fixed seat and the linkage is separated from the stopper of the front wall of the positioning groove of the locking block and is moved outward in linkage;

Fig. 7 is the embodiment of the utility model in which the protruding part of the locking block is pushed against by the linkage to make the locking block swing outward and the locking block of the locking block breaks away from the slot of the fixing seat, but has not yet passed through the elastic element backward The upward plan schematic diagram of the elastic force homing backward;

Fig. 8 is a schematic bottom view of the locking block and the sliding block sliding backwards to automatically close according to the embodiment of the present invention;

Fig. 9 is a three-dimensional schematic diagram of an embodiment of the utility model provided on a slide rail of a drawer;

Fig. 10 is a three-dimensional exploded view of another angle of the fixing seat, the spring, and the elastic buckle in the embodiment of the utility model;

Figure 11 is a schematic cross-sectional view of the combination of the inner slide rail, the fixing seat, the spring and the elastic buckle in the embodiment of the utility model;

Fig. 12 is an enlarged plan view of the connecting piece connecting the locking block and the sliding block in the embodiment of the present invention;

Fig. 13 is an enlarged plan view of the slider in the embodiment of the present invention;

Fig. 14 is a side plan view of the fixing seat in the embodiment of the present invention;

FIG. 15 is a partial cross-sectional schematic view of FIG. 8 .

Detailed ways

As shown in Figures 1 to 11, the utility model is an automatic closing device for a hidden drawer slide rail, comprising:

The fixed seat 1 is fixed on the bottom end surface 611 of the inner slide rail 61 which is locked and connected with the cabinet body (not shown) in the drawer slide rail 6 (see also Fig. 9 and Fig. 11 ), see also Fig. 3 , the fixed The seat 1 has two side walls 11, 12 and a bottom wall 13 connected to the two side walls 11, 12, the front side of one side wall 11 has a groove 111 and a stopper 112 connected to the front end of the groove 111 , the front end of the block 112 forms another groove 113 with the front side of the fixed seat 1, and the front side of the other side wall 12 forms a lower wall surface and has a limit rail 121, the limit The front end of the rail 121 is also connected to a slot 1211 , and the other side wall 12 is also provided with a stopper 122 ;

The slider 2 has a slider part 21 that can slide back and forth in a straight line between the two side walls 11 and 12 of the fixing seat 1. One side of the slider 2 also has at least one fixing groove 22 (see FIG. 3 ) to provide at least Fixed with one side 51 of the elastic element 5, while the other side 52 of the elastic element 5 can be fixed with the positioning groove 281 of the fixed block 28 provided on the bottom end surface 611 of the inner slide rail 61;

Connecting piece 7 (referring to Fig. 12), one end 72 (referring to the dotted line part of Fig. 12) is connected with slider 2, and the other end 73 is then connected with latching block 3, and forms between slider 2 and latching block 3 spacing, and the part of the connecting piece 7 that is not connected to the slider 2 and the locking block 3 is a sheet-shaped body 71, which is in a bendable state, and the connecting piece 7 is made of elastic metal or plastic;

The locking block 3 has a hollow part 31 on the rear side and protrudes an elastic support arm 32, and a locking groove 33 on the front side, and a positioning groove 35 on the other side of the front side. The rear side of the positioning groove 35 is also adjacent to a protruding portion 36, and two inner and outer limit blocks 37, 38 at an appropriate distance are provided above the locking block 3 to guide the locking block 3 to move smoothly. The limit rail 121 on the lower wall surface of the other side wall 12 of the fixed seat 1 slides, and the support arm 32 of the aforementioned locking block 3 can be pressed against the side wall 11 of the fixed seat 1, while the aforementioned inner limit The position block 37 can abut against the inner side of the limit rail 121 of the other side wall 12 of the fixed seat 1;

Linkage piece 4 (see also Fig. 5 and Fig. 9 ), which is connected to the side wall 621 of the outer slide rail 62 fixedly arranged in the drawer slide rail 6 and locked and connected with the drawer (not shown in the figure);

Through the composition of the aforementioned components, see also Fig. 8 and Fig. 15 , when the outer slide rail 62 is drawn forward together with the drawer connected with it, the linkage piece 4 connected therewith can abut against the positioning groove 35 of the catch block 3 The front side is adjacent to the front wall 351, and the locking block 3 is pressed against the side wall 11 of the fixed seat 1 by its support arm 32, and the locking block 3 can pass through its inner and outer limit blocks 37, 38 in order. The limit rail 121 on the other side wall 12 of the fixed seat 1 moves forward, and at the same time, the slider 2 also slides forward through its slider part 21, and the slider part 21 of the slider 2 also moves forward. Front stretching elastic element 5, and when locking block 3 slides forward, make its outer limit block 38 be positioned at the notch 1211 of the limit rail bar 121 front end of other side wall 12, and this outer limit block 38 also takes advantage of the situation to introduce the missing groove 1211 inwards, and makes the locking groove 33 of the locking block 3 be locked and positioned by the stopper 112 of the fixing seat (see Figure 5), and at this time the support arm 32 of the locking block 3 also The groove 111 is located on one of the side walls, and the front wall 351 of the positioning groove 35 of the locking block 3 is relatively separated from the blocking link 4, so that the link 4 can continue to be drawn forward together with the drawer (see FIG. 6 ); On the contrary, when the outer slide rail 62 slides backwards with its connected drawer until the linkage 4 abuts against the protruding portion 36 adjacent to the rear side of the positioning groove 35 of the catch block 3, even if the piece of the connecting piece 7 The shape body 71 bends outwards, and then the locking block 3 can swing outwards, so that the locking groove 33 is disengaged from the locking of the stopper of the fixed seat 1 (see Figure 7), and its support arm 32 is separated from the fixed seat. 1, and the outer limit block 38 of the locking block 3 is also separated from the notch 1211 of the other side wall of the fixed seat 1, so that the slider part 21 of the slider 2 can be returned by the elasticity of the elastic element 5 The recovery force, in conjunction with the inner and outer limit blocks 37, 38 of the aforementioned locking block 3, slides backward along the limiting rail 121 of the other side wall 12, and relatively also links the locking of the slider part 21. block 3, so that the locking block 3 can press against the link 4 backward through its protruding part 36, so that the outer slide rail 62 connected by the link 4 can slide outward (see Fig. 8, Fig. 15), always The rear section of the slider part 21 of the slider 2 is stopped by the stopper part 122 of the other side wall 12 of the fixing seat 1 to achieve an automatic closing effect.

Furthermore, the rear end of the limit rail 121 of the other side wall 12 of the aforementioned fixed seat 1 can further connect with a notch 1212 (see FIG. 3 ), and the front end of the other side of the aforementioned locking block 3 further has a guide inclined surface 39 The rear end of the guide slope 39 is connected to the outer side of the positioning groove 35 of the aforementioned locking block 3. Through the aforementioned features, in case the drawing block 3 together with the connecting piece is damaged due to incorrect drawing action of the drawer or other factors, 7 and the slide block 2, when the elastic recovery force of the elastic element 5 first returns backward, as long as the outer slide rail 62 is pushed back together with the drawer (not shown) connected with it, the card can be squeezed by the linkage piece 4. The guide slope 39 at the front end of the catch block 3 makes the catch block slightly swing outwards. At this time, because the outer limit block 38 of the catch block 3 can be slightly biased into the missing groove connected to the rear end of the outer limit block 38 1212, in order to facilitate the deflection action of the front end of the locking block 3, it is relatively beneficial for the link 4 to be introduced into the positioning groove 35 of the locking block 3 to return to the normal state as shown in Figure 8 .

In addition, a guide block 34 with a guiding slope 341 is connected to the front of the locking slot 33 on the front side of the locking block 3 , which facilitates the guiding of the locking slot 33 into the stop block 112 of the fixing base 1 .

Furthermore, the rear side of the aforesaid fixed seat 1 has a positioning groove 19 in addition, which can be used for embedding a fluid cylinder 10, and one side 1011 of the axis 101 of the fluid cylinder 10 is connected to the rear of the slider portion 21 of the slider 2. The nesting groove 211 (see also Fig. 13 ) provided on the other side is nested and connected, and then when the slider part 21 of the aforementioned slider 2 returns and slides backwards through the elastic force of the elastic element 5, it can simultaneously move the The shaft center 101 of the fluid cylinder 10 embedded in the slider part 21 of the slider 2 retracts into the body of the fluid cylinder 10, relatively increasing the resistance of the slider 2 to return and slide to reduce the speed of the slider 2 to return backward , and then the speed of the drawer connected by the slider 2 and the outer slide rail 62 is also slowed down to have a buffering effect, and the backward return slide of the drawer can reduce noise and reduce component damage. Advantages, thereby increasing the service life.

In addition, please refer to FIG. 3 , FIG. 10 , and FIG. 11 , one end of the above-mentioned fixing seat 1 can be provided with a card slot 14 , while the other end has a guide block 15 , and the side edge of the guide block 15 also forms a protrusion 151 , and the guide block 15 also has a groove 152 and a support wall 153 (see Fig. 10 and Fig. 11 ) located in the groove 152, and then a spring 17 can be loaded, and an elastic buckle 16 can be nested, the elastic buckle 16 is embedded in the guide block 15 through its two side pieces 161, and one side of the blocking piece 162 in the middle of the elastic buckle 16 is pressed against one side 171 of the spring 17, while the other side 172 of the spring 17 is pressed against the fixed seat 1 adjacent to the inner wall 18 (see FIG. 11 ), and then the elastic buckle 16 can be above the guide block 15 of the fixed seat 1, and the spring 17 is compressed by one side of the stopper 162 to slide back and forth. Through the aforementioned features, If the self-closing device that has been mostly assembled is to be fixed on the bottom end surface of the inner slide rail 61, the stopper 162 of the elastic buckle 16 provided on the other side of the fixing seat 1 can lean against the inner slide rail 61 to pre-install it. The positioning block 612 provided, and the spring 17 is compressed by the retaining piece 162, and then the other positioning block 613 can be aligned with the other positioning block 613 that is inserted into the inner slide rail 61 by the card slot 14 on the other side of the fixed seat 1, and finally the aforementioned fixing Block 28 is fixed with inner slide rail 61, promptly completes the assembly of automatic closing device quickly and conveniently; The buckle 16 pushes inward and compresses the spring 17, that is, the positioning block 612 that can be separated from the inner slide rail 61 relatively, so as to achieve the purpose of easy disassembly.

In summary, the utility model can be summed up to have the following enhancement effects:

1. The automatic closing device is composed of the locking block 3, the connecting piece 7, the sliding block 2, the elastic element 5, the linking piece 4, the fixing seat 1 and other components. It has few components, and the assembled size is small and does not occupy space. It can facilitate the flexible use of space, and the fixed seat does not need to be equipped with a cover, which can relatively save component costs and assembly manpower and working hours.

2. The elastic element 5 is exposed to the fixed seat 1. When the elastic element 5 is reciprocally stretched, it will not rub against the fixed seat 1, which can relatively reduce the damage rate of the elastic element 5, and because the elastic element 5 is exposed, it is relatively easy to replace and assemble. , The purpose of easy disassembly.

3. Since the locking block 3 can be connected to the slider 2 through the connecting piece 7 and is in a bendable state, and then connected to the elastic element 5 by the slider part 21 of the slider 2, the automatic closing action is smoother, and the slider 2 The fluid cylinder 10 can also be connected to have a buffering effect, which can relatively reduce noise.

4. The automatic closing device can also be assembled or disassembled with the inner slide rail 61 conveniently and quickly through its fixing seat 1 .

Claims (5)

1. An automatic closing device for a hidden drawer slide rail, characterized in that it includes: The fixed seat is fixed on the bottom end surface of the inner slide rail which is locked and connected with the cabinet body in the drawer slide rail. The fixed seat has two side walls and a bottom wall surface connected to the two side walls, one of the side walls The front side has a groove and a block connected to the front end of the groove, the front end of the block also forms another groove with the front side of the fixing seat, and the front side of the other side wall forms a lower The wall surface has a limit rail, the front end of the limit rail is also connected to a slot, and the other side wall is also provided with a stopper; The slider has a slider part that can slide back and forth linearly between the two side walls of the fixing seat, and one side of the slider also has at least one fixing groove to be fixed with one side of the elastic element, and the elastic element The other side is fixed with the positioning groove of the fixed block provided on the bottom end surface of the inner slide rail; Connecting piece, one end is connected with the slider, while the other end is connected with the catch block, a distance is formed between the slider and the catch block, and the part of the connecting piece that is not connected to the slider and the catch block is a sheet body, in a bendable state; The locking block has a hollowed-out part on one side at the rear and protrudes an elastic support arm, and a card slot on the front side, and a positioning groove on the other side of the front side. The rear side is also adjacent to a protruding part, and there are two inner rails that can guide the locking block to slide along the limit rail on the lower wall surface of the other side wall of the fixing seat above the locking block. , the outer limit block, and the arm of the locking block is pressed against the side wall of the fixed seat, and the inner limit block is pressed against the inner side of the limit rail of the other side wall of the fixed seat; The linking piece is connected to the side wall of the outer slide rail fixedly arranged in the drawer slide rail and locked and connected with the drawer. 2. An automatic closing device for a concealed drawer according to claim 1, characterized in that: the rear side of the fixed seat has a positioning groove, and a fluid cylinder is embedded in the positioning groove, and the fluid cylinder One side of the shaft center of the cylinder is nestedly connected with the nested groove provided on the rear side of the slider part. 3. The automatic closing device for a concealed drawer according to claim 1, characterized in that: one end of the fixing seat is provided with a card slot, and the other end is provided with a guide block, and the side edge of the guide block forms a The guide block also has a groove and a supporting wall in the groove, and a spring is loaded and an elastic buckle is nested, and the elastic buckle is embedded in the guide block through its two side pieces, And one side of the blocking piece in the middle of the elastic buckle is against one side of the spring, and the other side of the spring is against the adjacent inner wall of the fixing seat, so that the elastic buckle can pass through the guide block above the fixing seat One side of the blocking piece compresses the spring and slides back and forth. 4. The automatic closing device for a concealed drawer according to claim 1, wherein a guide block with a guiding slope is connected to the front of the locking groove on the front side of the locking block. 5. The automatic closing device for a hidden drawer according to claim 1, wherein the rear end of the limiting rail on the other side wall of the fixing seat is further connected with a slot, and the catch The front end of the other side of the block further has a guide slope, and the rear end of the guide slope is connected to the outside of the positioning groove of the locking block.

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