CN110720766B

CN110720766B - Mute sliding rail

Info

Publication number: CN110720766B
Application number: CN201911141205.0A
Authority: CN
Inventors: 许兴隆; 戴凯; 邹莲; 钱峰; 张海文; 豆志河; 季强; 朱冬
Original assignee: Wuxi Haidaer Precision Slides Co ltd
Current assignee: Wuxi Haidaer Precision Slides Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2023-10-27
Anticipated expiration: 2039-11-20
Also published as: CN110720766A

Abstract

The application provides a mute sliding rail which has good mute effect and long service life of a mute structure. The sliding part comprises a movable rail, a movable rail bead frame, a middle rail, a fixed rail bead frame and a fixed rail, and buffer parts are arranged at collision positions of the two sliding parts which collide.

Description

Mute sliding rail

Technical Field

The application relates to the technical field of sliding rails, in particular to a mute sliding rail.

Background

In order to facilitate the smooth sliding of the drawer by a user, a sliding rail, such as a C-shaped sliding rail arranged on the side surface of the drawer, is usually arranged between the drawer and the cabinet at present, and is generally composed of a fixed rail, a middle rail and a movable rail arranged on the drawer.

When the conventional slide rail is pulled out or closed, a large noise occurs, because the end of the bead frame or the end of the rail collides when the conventional slide rail is pulled out or closed, for example, when the slide rail is pulled out, the rear end of the movable rail bead frame collides with the rear end of the movable rail to generate noise, the front end of the fixed rail collides with the front end of the fixed rail bead frame to generate noise, and when the slide rail is closed, the front end of the fixed rail or the front end of the middle rail collides with the front end of the movable rail to generate a large sound to influence the body feeling of a user.

One patent with application number 201420169458.5 describes a three-section sliding rail, wherein the front end of the middle rail is fixed with fixed rail blocking glue, and two ends of the retainer are provided with retainer buffer glue for reducing impact force; one patent application with application number 201821666091.2 describes a simple slide rail pull-out locking mechanism, wherein an elastic circular arc block is arranged at the front end of a middle rail for avoiding the collision of a fixed rail; the structure can only reduce the noise generated by partial positions, and the noise generated by collision of other positions can be generated; one patent with application number CN03267248.9 discloses a guide rail with silencing structure, where a limiting block with silencing function is installed at the end of the middle rail, the front end of the limiting block is provided with a protrusion for buffering a ball holding device, the rear end of the limiting block is provided with a protrusion for buffering a fixed rail and a movable rail, the end of the ball strip is provided with a corrugated curve, in addition, the movable rail is also provided with a movable rail tail glue, but the buffer part is only arranged at one part of two parts where collision happens, and the slide rail is generally composed of metal parts, the metal parts directly collide on the buffer part, but part of sound can be eliminated to a certain extent, and hard objects wear the buffer part, so that the service life of the buffer part is reduced.

Disclosure of Invention

Aiming at the problems that the mute structure adopted by the traditional slide rail is poor in mute effect and short in service life, the application provides the mute slide rail which is good in mute effect and long in service life.

The technical scheme is as follows: the silence slide rail, it includes sliding part, sliding part includes movable rail, movable rail pearl frame, well rail, fixed rail pearl frame, fixed rail, its characterized in that: the collision parts of the two sliding parts are provided with buffer parts.

It is further characterized by:

the middle rail comprises a middle-middle rail positioned on one side and a middle-large rail positioned on the other side, the middle-middle rail is connected with the movable rail through the movable rail bead frame, and the middle-large rail is connected with the fixed rail through the fixed rail bead frame;

the front end and the rear end of the movable rail are provided with the buffer parts, and the front end and the rear end of the movable rail bead frame are provided with the buffer parts; the front end of the middle and small rail is provided with the buffer piece, the front and rear ends of the middle and large rail are provided with the buffer piece, and the front end of the fixed rail is provided with the buffer piece;

the front end of the fixed rail is provided with a bidirectional buffer piece, and the front end of the middle and small rail is provided with a bidirectional buffer piece;

the buffer piece comprises an elastic buffer part capable of buffering and a fixing part used for being connected with the sliding part;

the buffer pieces comprise a first buffer piece, a second buffer piece, a third buffer piece and a fourth buffer piece; the front end of the movable rail and the front end of the middle and large rail are connected with the first buffer piece, the front end of the fixed rail and the front end of the middle and large rail are connected with the second buffer piece, the second buffer piece is a bidirectional buffer piece, the rear end of the movable rail and the rear end of the middle and large rail are connected with the third buffer piece, and the front and rear ends of the movable rail bead frame and the front and rear ends of the fixed rail bead frame are connected with the fourth buffer piece;

the first buffer piece comprises a first buffer part and a first fixing part, the first buffer part is provided with a transverse groove, and the rear end of the first buffer part protrudes to form a protruding part; the two sides of the first fixing part extend to form first wing parts, the first wing parts respectively correspond to the inner wall shape of the movable rail or the middle rail, and the first fixing part is also provided with positioning columns and connecting holes which are arranged corresponding to the movable rail or the middle rail;

the thickness of the first buffer part on the movable rail, which is far away from the movable rail, and the thickness of the first buffer part on the middle large rail, which is far away from the middle large rail, are gradually decreased from the middle to the two sides; the front end of the fixed rail and the front end of the middle and small rail are provided with embedding inlets for embedding the first buffer part;

the second buffer piece comprises a second buffer part and a second fixing part, the second buffer part comprises a rear end buffer part and a front end buffer part, the rear end buffer part and the front end buffer part are arc-shaped, and transverse grooves are formed in the rear end buffer part and the front end buffer part; a connecting groove is formed in the middle of the second fixing part, connecting plates extend into the track from the front ends of the fixing rail and the middle and small rail, and the connecting groove is connected with the connecting plates in a matched mode; two sides of the second fixing part extend to form second wing parts, and the second wing parts extend from the inside of the fixing rail or the middle and small rail to the outside of the fixing rail or the middle and small rail respectively;

the third buffer piece comprises a third buffer part and a third fixed part, the third buffer part is provided with a transverse groove, the third buffer part is arc-shaped, a T-shaped clamping groove is formed in the middle of the third fixed part, a T-shaped clamping plate extends into the track from the rear end of the movable rail to the rear end of the middle rail, and the clamping groove is in fit clamping with the clamping plate; the bottom of the clamping groove is provided with a guide inclined plane, so that the clamping plate can conveniently extend in;

the fourth cushioning member comprises a fourth cushioning portion and a fourth fixing portion, the fourth cushioning portion is provided with a transverse groove, a longitudinal notch perpendicular to the transverse groove is formed in the middle of the fourth fixing portion, embedding notches for being embedded into the fourth fixing portion are formed in the front end and the rear end of the movable rail bead frame and the front end and the rear end of the fixed rail bead frame respectively, and the width of the fourth fixing portion is larger than that of the embedding notches.

After having adopted such structure, through all setting up the bolster in the collision department of two sliding parts that bump, on the one hand not only can reduce the noise that sliding part direct collision produced, but also can further reduce the noise that sliding part and bolster bump produced, promoted silence effect, on the other hand, can avoid sliding part wearing and tearing bolster, prolonged the life of bolster.

Drawings

FIG. 1 is a diagram of a movable rail with a bumper;

FIG. 2 is a diagram of a medium and small rail structure with a buffer;

FIG. 3 is a diagram of a medium and large rail structure with a cushioning member;

FIG. 4 is a block diagram of a fixed rail with a bumper;

FIG. 5 is a view of the movable rail bead holder with a buffer (steel balls not shown);

fig. 6 is a view of a structure of a fixed rail bead frame with a buffer (steel balls not shown);

FIG. 7 is a diagram of a first bumper construction;

FIG. 8 is a first bumper mounting block diagram;

FIG. 9 is a second bumper mounting block diagram;

FIG. 10 is a third buffer mounting block diagram;

FIG. 11 is a third bumper mounting cross-sectional view;

FIG. 12 is a fourth bumper mounting structure;

FIG. 13 is a view showing a slide rail in an extended state;

FIG. 14 is a view of a slide rail closed state;

fig. 15 is a structural view of the housing in an installed state;

FIG. 16 is a block diagram;

FIG. 17 is a first view of the latch body structure;

FIG. 18 is a second view of the locking body configuration;

FIG. 19 is a diagram of a dial block configuration;

FIG. 20 is a view showing the slider and the locking body in a tilted state of the slider;

fig. 21 is a diagram showing the connection between the slider and the lock body in the horizontal state of the slider (the spring is omitted).

Detailed Description

When the sliding rail structure is similar to the sliding rail structure mentioned in the background art, namely, the fixed rail, the middle rail and the movable rail are all C-shaped rails sleeved with each other, when the structure is opened, the parts which are likely to collide are: the movable rail bead frame comprises a movable rail bead frame, a middle rail bead frame, a fixed rail bead frame and a fixed rail bead frame, wherein the movable rail bead frame is arranged on the movable rail bead frame; when closed, the possible collision sites are: the fixed rail front end and the movable rail front end, in some cases, the fixed rail front end collides with the middle rail front end before colliding with the movable rail front end, and the elastic buffer parts are arranged at the collision positions of the two sliding parts which collide with each other to buffer and reduce noise, so that the mute effect is improved, and the service life of the buffer parts is prolonged.

In addition, there is a silent sliding rail structure as shown in fig. 1-6, which includes a sliding component, the sliding component includes a movable rail 1, a movable rail bead frame 2, a middle rail 3, a middle rail 4, a fixed rail bead frame 5, and a fixed rail 6, the middle rail 3 and the middle rail 4 are connected back to back (e.g. welded, riveted) together to form a middle rail, the middle rail 3 is connected with the movable rail 1 through the movable rail bead frame 2, the middle rail 4 is connected with the fixed rail 6 through the fixed rail bead frame 5, and when such sliding rail is opened, the collision part is: the rear end of the movable rail 1 and the rear end of the movable rail bead frame 2, the front end of the movable rail bead frame 2 and the front end of the middle and small rail 3, the rear end of the middle and large rail 4 and the rear end of the fixed rail bead frame 5, the front end of the fixed rail bead frame 5 and the front end of the fixed rail 6, when closed, the parts which are likely to collide are: the front ends of the fixed rail 6 and the middle and large rail 4, the front ends of the middle and small rail 3 and the front ends of the movable rail 1 are respectively provided with an elastic buffer piece at the collision positions of the two sliding parts which collide, so that the buffer is carried out, the noise is reduced, the silencing effect is improved, and the service life of the buffer pieces is prolonged. In addition, the front part refers to the moving direction of the sliding rail when the sliding rail is opened, and the rear part refers to the moving direction of the sliding rail when the sliding rail is closed.

Specifically, the front and rear ends of the movable rail 1 are provided with buffer pieces, and the front and rear ends of the movable rail bead frame 2 are provided with buffer pieces; the front end of the middle and small rail 3 is provided with a buffer piece, the front and rear ends of the middle and large rail 4 are provided with buffer pieces, and the front end of the fixed rail 6 is provided with a buffer piece; and, the fixed rail 6 front end is equipped with two-way buffer, and middle-and small rail 3 front end is equipped with two-way buffer. The buffer piece comprises an elastic buffer part capable of buffering and a fixing part used for being connected with the sliding part, and the elastic buffer part and the fixing part can be made of elastic plastics; more specifically, the cushioning members include a first cushioning member 7, a second cushioning member 8, a third cushioning member 9, and a fourth cushioning member 10; the front end of the movable rail 1 and the front end of the middle and large rail 4 are connected with a first buffer piece 7, the front end of the fixed rail 6 and the front end of the middle and small rail 3 are connected with a second buffer piece 8, the second buffer piece 8 is a bidirectional buffer piece, the rear end of the movable rail 1 and the rear end of the middle and large rail 4 are connected with a third buffer piece 9, and the front and rear ends of the movable rail bead frame 2 and the front and rear ends of the fixed rail bead frame 5 are connected with a fourth buffer piece 10.

As shown in fig. 7 and 8, the first buffer member 7 includes a first buffer portion 7-1 and a first fixing portion 7-2, the first buffer portion 7-1 is provided with a transverse slot 12, so that the buffer capacity is improved, the rear end of the first buffer portion 7-1 protrudes to form a protruding portion 7-11, and the protruding portion 7-11 gradually narrows to save materials; the first wing parts 7-21 are formed by extending two sides of the first fixing part 7-2, the first wing parts 7-21 respectively correspond to the inner wall shape of the movable rail 1 or the middle rail 4, are arranged inside the rail in a fitting mode, are attractive in appearance, the first fixing part 7-2 is further provided with positioning columns 7-22 and connecting holes 7-23 which are arranged corresponding to the movable rail 1 or the middle rail 4, are positioned through the positioning columns 7-22 and the positioning holes on the rail, and are connected to the rail through rivets through the connecting holes 7-23.

In addition, the thickness of the first buffer part 7-1 on the movable rail 1, which is far away from the movable rail 1, is gradually decreased from the middle to the two sides at the side of the first buffer part 7-1 on the middle big rail 4, which is far away from the middle big rail 4; the front ends of the fixed rail 6 and the middle and small rails 3 are provided with embedding openings 11 for embedding the first buffer parts 7-1, and when the sliding rail is closed, the sliding rail can be prevented from rebounding by embedding the first buffer parts 7-1 into the embedding openings 11.

As shown in fig. 9, the second buffer member 8 includes a second buffer portion 8-1 and a second fixing portion 8-2, the second buffer portion 8-1 includes a rear buffer portion 8-11 and a front buffer portion 8-12, the rear buffer portion 8-11 and the front buffer portion 8-12 are arc-shaped, and the rear buffer portion 8-11 and the front buffer portion 8-12 are provided with a transverse groove 12 for improving the buffer capacity; the middle of the second fixing part 8-2 is provided with a connecting groove 8-21, the front ends of the fixed rail 6 and the middle and small rail 3 extend into the rail, and the connecting groove 8-21 is connected with the connecting plate 13 in a matched manner, so that the second buffer part 8 is fixed; the second fixing parts 8-2 extend from two sides to form second wing parts 8-22, the second wing parts 8-22 extend from the inside of the fixed rail 6 or the middle and small rail 3 to the outside of the fixed rail respectively, the arrangement of the second wing parts 8-22 is more attractive on one hand, meanwhile, the connection of the contact areas is increased and more stable, on the other hand, as the second buffer parts 8 play a role in buffering and simultaneously play a role in limiting, the structure can correspond to a bead frame structure arranged on the rail, the contact area with the bead frame is increased, and the limiting buffering effect is better.

As shown in fig. 10 and 11, the third buffer member 9 includes a third buffer portion 9-1 and a third fixing portion 9-2, the third buffer portion 9-1 is provided with a transverse slot 12, the third buffer portion 9-1 is in a circular arc shape, a T-shaped clamping slot 9-21 is arranged in the middle of the third fixing portion 9-2, the rear end of the movable rail 1 and the rear end of the middle rail 4 extend into the rail to form a T-shaped clamping plate 14, and the clamping slot 9-21 and the clamping plate 14 are in fit and clamping; the bottom of the clamping groove 14 is provided with a guide inclined plane 14-1, so that the clamping plate can conveniently extend into the clamping groove.

As shown in fig. 12, the fourth buffer member 10 includes a fourth buffer portion 10-1 and a fourth fixing portion 10-2, the fourth buffer portion 10-1 is provided with a transverse slot 12, a longitudinal notch 10-21 perpendicular to the transverse slot is provided in the middle of the fourth fixing portion 10-2, an embedding notch 15 for embedding the fourth fixing portion 10-2 is provided at the front and rear ends of the movable rail bead frame 2 and the fixed rail bead frame 5, respectively, and the width of the fourth fixing portion 10-2 is larger than the width of the embedding notch 15, and is embedded on the bead frame by extruding the fourth fixing portion 10-2.

After adopting above-mentioned structure, opening or closing slide rail in-process, the collision department of two sliding parts that bump all is equipped with the bolster, and silence effect is better and life is longer.

In addition, the locking device is further arranged on the sliding rail and used for preventing the sliding rail from retracting and clamping a user due to the fact that external force touch occurs at the tail end of the sliding rail after the sliding rail is opened. The concrete structure of the device is shown in fig. 13-21, and the device comprises a shifting block 100 and a shell 600, wherein a locking main body 601 and a sliding block 602 are arranged in the shell 600, the locking main body 601 and the sliding block 602 are connected through a spring 603, a connecting groove 6021 is formed in the top of the sliding block 602, a positioning protrusion 6022 is further arranged on the sliding block 602, a horizontal guide portion 6011 is arranged on the locking main body 601, a positioning groove 6012 and an inclined surface portion 6013 are formed in the rear portion of the locking main body 601, the shifting block 100 is installed at the rear portion of the movable rail 1 in a riveting mode, and the shell 600 is installed at the front portion of the fixed rail 6 in a riveting mode. As shown in fig. 8, when the slide rail is completely closed, the positioning protrusion 6022 of the slide block 602 is located in the positioning groove 6012 of the locking body 601, and the slide block 602 is in an inclined state; when the slide rail is fully unfolded as shown in fig. 9, the positioning protrusion 6022 of the slide block 602 is positioned in the horizontal guide portion 6011 of the locking body 601, and the slide block 602 is in a horizontal state.

Specifically, as shown in fig. 15, 17 and 18, the locking body 601 is clamped to the hole in the side wall of the housing 600 by the elastic piece 6014 bent outward on the back of the locking body 601, meanwhile, the rear end of the locking body 601 is provided with a positioning block 6015, the positioning block 6015 is inserted into the C-shaped groove 6001 on the rear end of the housing 600, and the end of the housing 600 is bent against the front of the locking body 601 to fix the locking body 601.

As shown in fig. 16, 20 and 21, the sliding block 602 is connected and guided with the horizontal guiding part 6011 through the notch 6023 in the sliding block 602, and the two sides of the positioning protrusion 6022 are inclined planes to enable the shifting block 100 to eject the sliding block 602 from the positioning groove 6012 of the locking main body 601; meanwhile, the rear part of the sliding block 602 is also provided with a first limiting protrusion 6024, and the rear part of the locking main body 601 is provided with a vertical second limiting protrusion 6016, so that the first limiting protrusion 6024 can prop against the second limiting protrusion 6016 to realize limiting in an inclined state of the sliding block 602; one end of the spring 603 is clamped in a first spring mounting groove 6025 at the front part of the bottom of the sliding block 602, and the other end is clamped in a second spring mounting groove 6017 at the front part of the bottom of the locking main body 601.

After such a structure is adopted, when the sliding rail is opened, the movable rail 1 drives the shifting block 100 to move forwards, at this time, the sliding block 602 is in an inclined state as shown in fig. 8, when the sliding rail is nearly fully unfolded, the sliding block 602 is in contact with the shifting block 100, and as the sliding rail is fully unfolded, the shifting block 100 enters the connection groove 6021 to press the sliding block 602 to change the sliding block from the inclined state to the horizontal state, because the spring 603 exists, the spring 603 can pull the sliding block 602 to realize locking, if the sliding rail is touched to the sliding rail, the sliding rail cannot be easily closed, the clamping hand is prevented, and only after enough force is applied to stretch the spring 603 to a sufficient length to enable the sliding block 602 to change the inclined state again, at this time, the shifting block 100 is separated from the connection groove 6021, so that the sliding rail can be normally closed.

The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. The silence slide rail, it includes sliding part, sliding part includes movable rail, movable rail pearl frame, well rail, fixed rail pearl frame, fixed rail, its characterized in that: the collision parts of the two sliding parts are provided with buffer parts, the middle rail comprises a middle rail and a middle rail, the middle rail and the middle rail are positioned on one side, the middle rail and the middle rail are positioned on the other side, the middle rail and the middle rail are connected with the movable rail through the movable rail bead frame, the middle rail and the large rail are connected with the fixed rail through the fixed rail bead frame, and the buffer parts comprise elastic buffer parts capable of buffering and fixing parts used for being connected with the sliding parts; the buffer pieces comprise a first buffer piece, a second buffer piece, a third buffer piece and a fourth buffer piece; the front end of the movable rail and the front end of the middle and large rail are connected with the first buffer piece, the front end of the fixed rail and the front end of the middle and large rail are connected with the second buffer piece, the second buffer piece is a bidirectional buffer piece, the rear end of the movable rail and the rear end of the middle and large rail are connected with the third buffer piece, and the front and rear ends of the movable rail bead frame and the front and rear ends of the fixed rail bead frame are connected with the fourth buffer piece;

the first buffer piece comprises a first buffer part and a first fixing part, the first buffer part is provided with a transverse groove, and the rear end of the first buffer part protrudes to form a protruding part; the two sides of the first fixing part extend to form first wing parts, the first wing parts respectively correspond to the inner wall shape of the movable rail or the middle rail, and the first fixing part is also provided with positioning columns and connecting holes which are arranged corresponding to the movable rail or the middle rail; the thickness of the first buffer part on the movable rail, which is far away from the movable rail, and the thickness of the first buffer part on the middle large rail, which is far away from the middle large rail, are gradually decreased from the middle to the two sides; the front end of the fixed rail and the front end of the middle and small rail are provided with embedding inlets for embedding the first buffer part;

the sliding rail is also provided with a locking device which is used for preventing the sliding rail from retracting and clamping a user due to external force touch after the sliding rail is opened, the sliding rail comprises a shifting block and a shell, wherein a locking main body and a sliding block are arranged in the shell, the locking main body and the sliding block are connected through a spring, the top of the sliding block is provided with a connection groove, the sliding block is also provided with a positioning protrusion, the locking main body is provided with a horizontal guiding part, the rear part of the locking main body is provided with a positioning groove and an inclined surface part, the shifting block is riveted and installed at the rear part of a movable rail, the shell is riveted and installed at the front part of a fixed rail, and when the sliding rail is completely closed, the positioning protrusion of the sliding block is positioned in the positioning groove of the locking main body, and the sliding block is in an inclined state; when the sliding rail is completely unfolded, the positioning bulge of the sliding block is positioned in the horizontal guide part of the locking main body, and the sliding block is in a horizontal state;

when the sliding rail is opened, the movable rail drives the shifting block to move forwards, at the moment, the sliding block is in an inclined state, when the sliding rail is close to being completely unfolded, the sliding block is in contact with the shifting block, and the shifting block enters the connection groove to extrude the sliding block to change from the inclined state to the horizontal state along with the complete unfolding of the sliding rail, and the sliding block can be pulled by the spring to realize locking due to the existence of the spring.

2. The silent slide rail of claim 1, wherein: the third buffer piece comprises a third buffer part and a third fixed part, the third buffer part is provided with a transverse groove, the third buffer part is arc-shaped, a T-shaped clamping groove is formed in the middle of the third fixed part, a T-shaped clamping plate extends into the track from the rear end of the movable rail to the rear end of the middle rail, and the clamping groove is in fit clamping with the clamping plate; the bottom of the clamping groove is provided with a guide inclined plane, so that the clamping plate can conveniently extend into the groove.

3. The silent slide rail of claim 1, wherein: the fourth cushioning member comprises a fourth cushioning portion and a fourth fixing portion, the fourth cushioning portion is provided with a transverse groove, a longitudinal notch perpendicular to the transverse groove is formed in the middle of the fourth fixing portion, embedding notches for being embedded into the fourth fixing portion are formed in the front end and the rear end of the movable rail bead frame and the front end and the rear end of the fixed rail bead frame respectively, and the width of the fourth fixing portion is larger than that of the embedding notches.