CN215190363U - Quick connecting device of drawer and slide rail - Google Patents

Abstract

The utility model provides a quick connecting device of a drawer and a slide rail, which comprises two side plates and two slide rail upper rails arranged on a cabinet body; the device also comprises a buffer part, an elastic part, a fixing part and a bearing side plate bracket; the elastic piece is provided with an elastic sheet, and the side plate bracket is provided with a matching groove, a left limiting part, a right limiting part and an upper limiting part and a lower limiting part; the buffer piece is provided with an elastic arm, and the upper rail of the sliding rail is provided with a guide part and a clamping groove; when the drawer is assembled with the slide rail, the elastic sheet and the left and right limiting parts are respectively locked on the clamping end surfaces of the clamping groove and the guiding part, and the L-shaped end surface on the front side of the upper rail of the slide rail is respectively abutted against the elastic arm and the upper and lower limiting parts; the elastic piece can be unlocked and withdrawn from the matching groove by pressing the elastic piece. This application simple structure, it is firm to install, and loading and unloading are convenient, low in production cost.

Description

Quick connecting device of drawer and slide rail

Technical Field

The utility model relates to a drawer installation technical field, more specifically say, relate to a quick connecting device of drawer and slide rail.

Background

At present, the mainstream quick connecting device for the drawer and the slide rail in the market mainly comprises a connecting base and a connecting lock catch, wherein the connecting lock catch is elastically reset and rotated on the connecting base, a spring bolt is arranged on the connecting lock catch, a lock hole is arranged on the movable rail, a positioning wing is arranged on the connecting base, a positioning groove is arranged on the movable rail, and when the drawer body and the slide rail assembly are assembled, the spring bolt is elastically exposed out of the connecting base and is buckled in the lock hole, and the positioning wing is inserted into the positioning groove. However, the connecting base and the connecting lock catch of the device have complex structures, are difficult to process, have high processing cost and have higher requirements on assembly precision.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick connecting device of drawer and slide rail, its simple structure, it is convenient to load and unload, and firm in connection is reliable, has reduced manufacturing cost effectively.

The utility model provides a cabinet, which comprises two side plates, two slide rail upper rails fixedly arranged on a cabinet body, a buffer part, an elastic part, a fixing part and a side plate bracket used for bearing the buffer part, the elastic part and the fixing part, wherein the two slide rail upper rails comprise the two side plates and the two slide rail upper rails fixedly arranged on the cabinet body; the side plate bracket is provided with a matching groove, a left limiting part, a right limiting part and an upper limiting part and a lower limiting part; the buffer piece is provided with an elastic arm for elastic limiting, the upper rail of the slide rail is provided with a guide part and a clamping groove, and the elastic piece is provided with an elastic sheet; when the drawer is assembled with the slide rail, the elastic sheet and the left and right limiting parts are respectively locked on the clamping groove and the clamping end surfaces of the guiding parts, and the L-shaped end surface on the front side of the upper rail of the slide rail is respectively abutted against the elastic arm and the upper and lower limiting parts; and under the action of pressing force, the elastic sheet is unlocked and withdrawn from the matching groove.

Preferably, the side plate bracket comprises a first mounting surface fixed on the side plate, a second mounting surface vertically and fixedly arranged on the first mounting surface, and a longitudinal bending surface vertical to the bottom of the second mounting surface.

Preferably, the second installation face is provided with a first groove body, the joint of the second installation face and the longitudinal bending face is provided with a second groove body, and the top and the side part of the buffer piece are respectively provided with a clamping block which is respectively clamped in the first groove body and the second groove body.

Preferably, the guide portion is formed by local tearing, bending from top to bottom, welding, local sinking, embossing or stretching.

Preferably, the elastic sheet is provided with a guide inclined surface in sliding fit with the matching groove, the elastic sheet is provided with an abutting surface abutting against the front side wall of the matching groove, and the abutting surface and the guide inclined surface are in fillet transition.

Preferably, an opening angle is arranged between the elastic arm and the buffer piece body, so that when the drawer is elastically connected with the sliding rail, the elastic arm is gradually compressed to eliminate the gap between the drawer and the sliding rail and absorb the movement noise.

Preferably, the elastic sheet is provided with an unlocking pressing part which is formed by extending forwards and is used for facilitating unlocking operation of a human hand.

Preferably, the buffer part is provided with a U-shaped, V-shaped, I-shaped or S-shaped limiting block for limiting the movement range of the unlocking pressing part.

Preferably, the limiting block, the elastic arm and the buffer piece are integrally formed.

The utility model provides a quick connecting device of drawer and slide rail, including curb plate support, bolster, elastic component and mounting, be equipped with the cooperation groove on the vertical bending face of curb plate support, control spacing portion and upper and lower spacing portion, the elastic component is equipped with the shell fragment, and the bolster is equipped with the elastic arm, and the elastic arm assembly is on the curb plate support, and curb plate support fixed mounting is on the curb plate. When drawer and slide rail sliding connection, the shell fragment is promoted the compression by the slide rail upper rail and to deviating from in the motion of cooperation groove direction, controls spacing portion and slides along guide portion, and the elastic arm receives the extrusion force of slide rail upper rail front end, and the shell fragment locks respectively in draw-in groove and the end face that stops of guide portion with controlling spacing portion, and the L type terminal surface of front side butt respectively in elastic arm and upper and lower spacing portion realizes the locking. During unlocking, the elastic piece is pressed by hands, so that the elastic piece can be unlocked and withdrawn from the matching groove, and the connecting assembly and the upper rail of the sliding rail can be unlocked. The drawer body is simple in structure, convenient to mount and dismount, firm and reliable in locking, time-saving and labor-saving, effectively reduces the processing cost, and can be widely applied to various drawers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an assembly view of the quick connecting device for a drawer and a slide rail provided by the present invention;

FIG. 2 is a schematic structural view of the upper rail of the slide rail assembled with the quick connect apparatus of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a partial enlarged view of the quick connect device of the present invention in a locked state;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a partial enlarged view of the quick connection device provided by the present invention in an unlocked state;

FIG. 7 is a top view of FIG. 6;

fig. 8 to 10 are schematic views illustrating the assembling process of the quick connecting device and the upper rail of the slide rail provided by the present invention;

FIG. 11 is an enlarged view of portion I of FIG. 10;

FIG. 12 is a cross-sectional view taken along line A-A of FIG. 11;

FIG. 13 is a partial schematic view of FIG. 11 (the upper rail of the slide rail is not shown);

FIG. 14 is a cross-sectional view taken along line B-B of FIG. 11;

FIG. 15 is an enlarged view of section II of FIG. 14;

fig. 16 to 18 are schematic views illustrating the assembly process of the quick connector and the drawer according to the present invention;

FIG. 19 is a schematic view of the quick connector of the present invention detached from the drawer;

FIG. 20 is an enlarged view of portion III of FIG. 19;

FIG. 21 is a schematic view of a guide portion according to a first embodiment;

FIG. 22 is a schematic structural view of a guide part according to a second embodiment;

FIG. 23 is a schematic structural view of a guide part according to the third embodiment;

FIG. 24 is a schematic structural view of a guide part according to the fourth embodiment;

FIG. 25 is a schematic structural view of a fifth embodiment of a guide part;

fig. 26 is a schematic structural view of a guide portion in the sixth embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 26, fig. 1 is an assembly view of a quick connecting device for a drawer and a slide rail according to the present invention; FIG. 2 is a schematic structural view of the upper rail of the slide rail assembled with the quick connect apparatus of FIG. 1; FIG. 3 is an exploded view of FIG. 1; FIG. 4 is a partial enlarged view of the quick connect device of the present invention in a locked state; FIG. 5 is a top view of FIG. 4; fig. 6 is a partial enlarged view of the quick connection device provided by the present invention in an unlocked state; FIG. 7 is a top view of FIG. 6; fig. 8 to 10 are schematic views illustrating the assembling process of the quick connecting device and the upper rail of the slide rail according to the present invention; FIG. 11 is an enlarged view of portion I of FIG. 10; FIG. 12 is a cross-sectional view taken along line A-A of FIG. 11; FIG. 13 is a partial schematic view of FIG. 11 (the upper rail of the slide rail is not shown); FIG. 14 is a cross-sectional view taken along line B-B of FIG. 11; FIG. 15 is an enlarged view of section II of FIG. 14; FIGS. 16 to 18 are schematic views illustrating the assembly process of the quick connector and the drawer according to the present invention; FIG. 19 is a schematic view of the quick connector of the present invention detached from the drawer; FIG. 20 is an enlarged view of portion III of FIG. 19; FIG. 21 is a schematic view of a guide portion according to a first embodiment; FIG. 22 is a schematic structural view of a guide part according to a second embodiment; FIG. 23 is a schematic structural view of a guide part according to the third embodiment; FIG. 24 is a schematic structural view of a guide part according to the fourth embodiment; FIG. 25 is a schematic structural view of a fifth embodiment of a guide part; fig. 26 is a schematic structural view of a guide portion in the sixth embodiment.

The utility model provides a quick connecting device of drawer and slide rail, including two slide rail upper rails 2 of both sides board 1 and fixed mounting on the cabinet body 8, fixed mounting has curb plate support 3 on each curb plate 1, is equipped with cooperation groove 31 on the curb plate support 3, controls spacing portion 32 and upper and lower spacing portion 33.

Specifically, the side plate bracket 3 is preferably, but not limited to, a bent piece, and plays a role in installation and bearing. The side plate bracket 3 can be fixedly arranged on the side plate 1 in a detachable mode, and can also be fixedly welded on the side plate 1, and the matching groove 31, the left limiting part 32, the right limiting part 32 and the upper limiting part 33 and the lower limiting part 33 are arranged on a longitudinal bending surface along the in-and-out direction of the drawer.

The side plate bracket 3 is also provided with a buffer part 4, an elastic part 5 and a fixing part 6, the buffer part 4 is assembled on the side plate bracket 3, and the tail ends of the side plate bracket 3, the elastic part 5 and the fixing part 6 are provided with screw holes which are coaxially distributed; the side plate bracket 3 is fixedly arranged on the side plate 1 through a screw 7 and is positioned through blank pressing; in addition, the screw 7 passes through the screw holes on the side plate bracket 3, the elastic piece 5 and the fixed piece 6 and is locked on the side plate 1; the buffer part 4 is provided with an elastic arm 41 for elastically limiting the upper rail 2 of the sliding rail, the elastic part 5 is provided with an elastic sheet 51, the side plate bracket 3 is provided with a matching groove 31, after the elastic part 5 is assembled in place, the elastic sheet 51 on the elastic part 5 transversely extends out of the matching groove 31 towards the direction perpendicular to the movement direction of the drawer, the upper rail of the upper rail 2 of the sliding rail is provided with a guide part 21 and a clamping groove 22, when the drawer is in sliding connection with the sliding rail, the elastic sheet 51 is firstly pushed by the upper rail 2 of the sliding rail to move away from the matching groove 31, the elastic sheet 51 is attached to the side surface of the upper rail 2 of the sliding rail under the elastic force to relatively slide, when the side plate 1 moves to the contact position of the left limiting part 32 and the right limiting part 32 and the guide part 21, the left limiting part 32 and the right limiting part 32 slide along the guide part 21 to continuously push the side plate 1 to move inwards, the elastic arm 41 is gradually and completely attached to the body of the elastic arm 41 under the extrusion of the front end surface of the upper rail 2 of the sliding rail, at the moment, the elastic sheet 51 is locked at the clamping groove 22, the left and right limiting parts 32 are locked on the blocking end surfaces of the guiding parts 21, and the L-shaped end surfaces at the front sides of the upper rails 2 of the slide rails are respectively abutted against the elastic arms 41 and the upper and lower limiting parts 33, so that multidirectional locking is realized, and the drawer is pushed into the cabinet body 8 to complete installation.

Refer to fig. 4 and 5. In the locking state, the elastic part 5 is tightly attached to the inner side surface of the side plate bracket 3, and the elastic sheet 51 on the elastic part 5 protrudes outwards and is clamped in the clamping groove 22 of the upper rail 2 of the slide rail to play a locking role.

Referring to fig. 6 and 7, during unlocking, the elastic member 5 is pressed, and when the elastic member 5 receives a pressing force, the elastic piece 51 is driven to withdraw from the matching groove 31, so as to perform an unlocking function.

Referring to fig. 16 to 18, a drawer installation process is schematically illustrated. For the convenience of observation, the upper plate of the cabinet 8 is hidden in fig. 16, the drawer panel is hidden in fig. 17, and the cabinet side plate is hidden in fig. 18.

During installation, the upper sliding rail 2 is pulled out from the fixed rail, then the assembled drawer is placed on the upper sliding rail 2, and finally the drawer is pushed into the cabinet body 8 to complete installation.

Referring to fig. 19 and 20, the drawer is disassembled, and the structure is schematically shown and partially enlarged.

When the drawer is disassembled, the drawer is completely pulled out, the left finger and the right finger hook the elastic sheets 51 of the elastic pieces 5 at the two sides simultaneously, the pull is respectively outward, and the drawer is continuously pulled out to disassemble the drawer.

The assembly steps of the side plate 1 and the sliding rail upper rail 2 are as follows: before assembly, the side plate 1 is pushed in along the arrow direction of fig. 8, the elastic sheet 51 firstly contacts the upper rail of the upper rail 2 of the slide rail, at the moment, the elastic arm 41 of the buffer 4 naturally opens, and the elastic sheet 51 protrudes out of the matching groove 31 of the side plate 1;

as shown in fig. 9. During the assembling process, curb plate 1 continues to push along the arrow direction, and shell fragment 51 and slide rail head rail 2 contact, control spacing portion 32 and contact guide portion 21 gradually and slide along guide portion 21, and through the guide effect of guide portion 21, slide rail head rail 2 compresses shell fragment 51, and afterwards, elastic arm 41 is gradually compressed, plays the cushioning effect.

Refer to fig. 10 and 11. When the elastic sheet 51 moves to the matching groove 31, the elastic sheet 51 rebounds and resets, and then can be clamped in the matching groove 31.

In a locking state, the side plate 1 is lifted upwards, and the upper and lower limiting parts 33 are blocked by the upper rail 2 of the slide rail, so that the side plate 1 is limited to move upwards; because in the assembling process, the sheet structure at the front end of the upper rail 2 of the slide rail firstly enters the left and right limiting parts 32 and then passes through the middle section guiding part 21 until completely entering to realize locking, and therefore the side plate 1 can be limited to move left and right.

In a specific embodiment, the side plate bracket 3 includes a first mounting surface, a second mounting surface and a longitudinal bending surface, the first mounting surface is fixedly mounted on the side plate 1, the second mounting surface is vertically and fixedly arranged on a side edge of the first mounting surface, the longitudinal bending surface is arranged perpendicular to the second mounting surface, and the longitudinal bending surface and the first mounting surface are respectively arranged on the upper side and the lower side of the second mounting surface. The buffer member 4 is mounted on the second mounting surface, the elastic member 5 abuts against the longitudinal bending surface, and the left and right limiting portions 32 and the upper and lower limiting portions 33 are disposed on the longitudinal bending surface. In addition, the tail end of the longitudinal bending surface is provided with a screw 7 hole which is coaxial with the screw 7 holes of the fixed part 6 and the elastic part 5, and the side plate bracket 3, the elastic part 5 and the fixed part 6 are locked and fixed at the bottom of the side plate 1 by the screw 7. In this embodiment, preferably, the side plate bracket 3 is integrally formed by bending to ensure the installation strength.

In order to ensure the elastic piece 51 is smoothly engaged, a guiding inclined surface 511 may be provided on the elastic piece 51 at a sliding contact surface with the mating groove 31, the guiding inclined surface 511 is distributed at an acute angle with the locking movement direction, the elastic piece 51 is further provided with an abutting surface 512 abutting against a front side wall of the mating groove 31, and the abutting surface 512 and the guiding inclined surface 511 are in a round transition. When the slide rails are butted, the front ends of the slide rails abut against the guide inclined surfaces 511, enter the matching grooves 31 along the guide inclined surfaces 511 along with the continuous pushing, and are locked in the matching grooves 31, so that the smooth operation of locking can be ensured, and locking vibration and noise generated by the locking vibration can be prevented.

As for the specific structure of the guide portion 21, there are the following specific embodiments.

In the first embodiment, the guide portion 21 may be formed by partially tearing, as shown in fig. 21, the upper rail is punched to form an elongated guide portion 21, the locking end of the guide portion 21 protrudes from the inner side surface of the upper rail 2 of the slide rail to form a guide surface, the guide surface is a rectangular straight surface, and the left and right stoppers 32 are locked to the rear end surface of the guide portion 21 by the guide surface.

In the second embodiment, the guide portion 21 may be formed by bending from top to bottom, as shown in fig. 22, the upper rail is punched out to have a high end position and then bent laterally to obtain the guide portion 21, and the left and right stoppers 32 slide over the guide surface of the guide portion 21 and are locked to the end of the guide portion 21.

In the third embodiment, referring to fig. 23, the guide portion 21 is welded or riveted to the upper rail of the upper rail 2 of the slide rail, and the guide portion and the upper rail are welded or riveted to form, so that a guide structure can be designed according to actual requirements, and guide diversification is realized;

example four: the guiding portion 21 may be a local recessed structure, and an angular protrusion protruding toward the inner cavity of the upper rail 2 of the slide rail is obtained by punching the side arm of the upper rail 2 of the slide rail, as shown in fig. 24, the inclined surface of the angular protrusion is a guiding surface, and the short side surface of the angular protrusion is a clamping surface, which also has the effects of smooth guiding and firm clamping.

Example five: the guide part 21 is an arc convex hull protruding towards the inner cavity of the upper rail 2 of the slide rail, and the outer side surface of the guide part 21 is an arc surface, as shown in fig. 25, the clamping device is convenient to process, short in clamping stroke and high in clamping efficiency.

Example six: the guiding portion 21 is an angle-shaped structure formed by stretching, and the angle-shaped protrusion is rounded as shown in fig. 26 to avoid jamming.

In addition, the specific configuration of the guide portion 21 is not limited to this, and the guide and lock functions may be satisfied.

Preferably, the elastic arm 41 is a plate-shaped structure, a first end of the elastic arm 41 is elastically connected to the buffer body, and an opening angle is provided between the elastic arm 41 and the buffer body, as shown in fig. 2 to 7, and the opening angle can be set according to actual requirements. When the drawer is elastically connected with the sliding rail, the gap between the drawer and the sliding rail can be eliminated through the elastic arm 41, noise is absorbed, eliminated or reduced, excessive noise caused by hard contact between the drawer and the sliding rail is avoided, and the effects of shock absorption and noise reduction are achieved.

In order to facilitate the manual unlocking operation, an unlocking pressing portion 52 may be disposed on the elastic sheet 51, the unlocking pressing portion 52 is formed by extending the elastic sheet 51 forward, the unlocking pressing portion 52 is a sheet-shaped structure, and during unlocking, when a user presses the unlocking pressing portion 52, the unlocking pressing portion 52 deforms to drive the elastic sheet 51 to exit from the matching groove 31, so as to achieve unlocking. With the arrangement, the operation is more convenient and labor-saving.

Further, can set up stopper 42 on bolster 4, this stopper 42 is structures such as U type V type, I type or S type, and it sets firmly in the bottom surface of bolster 4, and under the assembled state, stopper 42 is located between elastic component 5 and the lower side plate 1 of curb plate 1, and when pressing this unblock and pressing the portion 52, stopper 42 is used for the motion range of spacing elastic component 5 to guarantee the effect of kick-backing, prolong the life of elastic component 5. Of course, the specific structure of the limiting block 42 can be various, such as L-shaped, trapezoid, etc.

Preferably, stopper 42, elastic arm 41 and bolster 4 integrated into one piece, convenient processing, increase intensity, increase of service life. Of course, the three parts are not limited to be integrally formed, and can be separated into separate parts, and fixed installation can be realized through bolting, clamping, threaded connection and other modes.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The above is a detailed description of the quick connecting device for the drawer and the slide rail provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. A quick connecting device of a drawer and a sliding rail comprises two side plates (1) and two sliding rail upper rails (2) fixedly arranged on a cabinet body (8), and is characterized by further comprising a buffer piece (4), an elastic piece (5), a fixing piece (6) and a side plate bracket (3) used for bearing the buffer piece (4), the elastic piece (5) and the fixing piece (6); the side plate bracket (3) is provided with a matching groove (31), a left limiting part, a right limiting part (32) and an upper limiting part and a lower limiting part (33); the buffer piece (4) is provided with an elastic arm (41) for elastic limiting, the upper rail (2) of the slide rail is provided with a guide part (21) and a clamping groove (22), and the elastic piece (5) is provided with an elastic sheet (51); when the drawer is assembled with the slide rail, the elastic sheet (51) and the left and right limiting parts (32) are respectively locked on the clamping end surfaces of the clamping groove (22) and the guide part (21), and the L-shaped end surface on the front side of the slide rail upper rail (2) is respectively abutted against the elastic arm (41) and the upper and lower limiting parts (33); under the action of pressing force, the elastic sheet (51) is unlocked and withdrawn from the matching groove (31).

2. The quick connecting device for the drawer and the slide rail is characterized in that the side plate bracket (3) comprises a first mounting surface fixed on the side plate (1), a second mounting surface vertically and fixedly arranged on the first mounting surface and a longitudinal bending surface vertical to the bottom of the second mounting surface.

3. The quick connecting device for the drawer and the sliding rail as claimed in claim 2, wherein the second mounting surface is provided with a first groove, a second groove is arranged at the joint of the second mounting surface and the longitudinal bending surface, and the top and the side of the buffer member (4) are respectively provided with a clamping block for being clamped in the first groove and the second groove respectively.

4. The quick connecting device for the drawer and the slide rail according to any one of claims 1 to 3, wherein the guiding portion (21) is formed by local tearing, bending from top to bottom, welding, local recessing, embossing or stretching.

5. The quick connecting device for the drawer and the slide rail according to claim 1, wherein the elastic piece (51) is provided with a guiding inclined surface (511) which is in sliding fit with the matching groove (31), the elastic piece (51) is provided with an abutting surface (512) which abuts against the front side wall of the matching groove (31), and the abutting surface (512) and the guiding inclined surface (511) are in round angle transition.

6. The quick connecting device for a drawer and a slide rail according to claim 1, wherein an opening angle is provided between the elastic arm (41) and the body of the buffer member (4), so that the elastic arm (41) is gradually compressed to eliminate the gap between the drawer and the slide rail and absorb the movement noise when the drawer and the slide rail are elastically connected.

7. The quick connecting device for a drawer and a slide rail according to claim 1, wherein the elastic piece (51) is provided with an unlocking pressing part (52) which is formed by extending forwards and is used for facilitating the unlocking operation of a human hand.

8. The quick connecting device for a drawer and a slide rail according to claim 7, characterized in that the buffer member (4) is provided with a U-shaped, V-shaped, I-shaped or S-shaped limiting block (42) for limiting the movement range of the unlocking pressing part (52).

9. The quick connecting device for a drawer and a slide rail according to claim 8, characterized in that the limiting block (42), the elastic arm (41) and the buffer (4) are integrally formed.

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