CN110664141B - Slide rail capable of being automatically locked in unfolding state - Google Patents
Slide rail capable of being automatically locked in unfolding state Download PDFInfo
- Publication number
- CN110664141B CN110664141B CN201911141190.8A CN201911141190A CN110664141B CN 110664141 B CN110664141 B CN 110664141B CN 201911141190 A CN201911141190 A CN 201911141190A CN 110664141 B CN110664141 B CN 110664141B
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- rail
- buffer
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- movable
- groove
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- 239000011324 bead Substances 0.000 claims description 30
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/483—Sliding drawers; Slides or guides therefor with single extensible guides or parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/453—Actuated drawers
- A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/473—Braking devices, e.g. linear or rotational dampers or friction brakes; Buffers; End stops
- A47B88/477—Buffers; End stops
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a sliding rail capable of automatically locking in an unfolding state, which can be automatically locked after being unfolded. The movable rail is characterized by comprising a fixed rail, a movable rail, a shifting block and a shell, wherein a rebound main body and a sliding block are arranged in the shell and are connected through a spring, a connection groove is formed in the top of the sliding block, a positioning protrusion is further arranged on the sliding block, a horizontal guiding part is arranged on the rebound main body, a positioning groove and an inclined surface part are further arranged on the rebound main body, the shifting block is arranged at the rear part of the movable rail, and the shell is arranged at the front part of the fixed rail.
Description
Technical Field
The invention relates to the technical field of drawer slide rails, in particular to a slide rail capable of being automatically locked in an unfolding state.
Background
The friction resistance between each part of the existing slide rail is small, and the slide is smooth to push and pull, so that when the tail end of the slide rail is touched by external force in the unfolded state of the slide rail, the slide rail can be immediately closed, and if a user is still in use, safety accidents such as clamping hands and the like can occur.
In addition, a patent application for the application number CN201710051451.1 discloses an externally hung automatic recovery device for a drawer slide rail, it includes the shifting block of fixing on the movable rail and fixes the shell support on the fixed rail, movable guide is connected with drawer medial surface, fixed guide is connected with cabinet medial surface, be equipped with in the shell support and hold the chamber, it includes the resilience main part to hold the intracavity, spring and slider, install guide structure in the resilience main part, slider slidable mounting is on guide structure, pass through spring coupling between slider and the resilience main part, the open slot has been seted up at the shell support top and the slider can be contacted with the shifting block, be equipped with the groove of plugging into simultaneously on the slider and be used for with shifting block joint, be equipped with horizontal direction portion in the rebound main part, the slider can be in horizontal direction portion horizontal movement, the slider has the location arch, rebound main part front portion is equipped with constant head tank and inclined plane portion simultaneously, when the slider moves forward to the rebound main part front portion, the location protruding card people constant head tank and the slider falls into inclined plane portion and leads to the slider slope. When the slide rail is closed, the shifting block is positioned in the connection groove of the slide block, the slide block is horizontal, the shifting block and the slide block are driven to move along with the movement of the movable rail, the spring is stretched until the slide block moves to the front part of the rebound mechanism, so that the slide block falls into the inclined surface part to incline, and the shifting block is separated from the connection groove; when the movable rail is closed, the shifting block moves back to contact with the sliding block, the positioning protrusion is separated from the positioning groove by extruding the sliding block, the sliding block is pushed into the horizontal guide part, and meanwhile, the sliding block is changed into horizontal from the inclination, so that the shifting block is driven to move under the action of the spring, and the movable rail automatically rebounds.
Disclosure of Invention
Aiming at the problem that the existing sliding rail cannot be automatically locked after being opened and possibly clamps hands, the invention provides the sliding rail which is automatically locked in the unfolding state and can be automatically locked after being unfolded.
The technical scheme is as follows: the utility model provides an automatic locking's slide rail under expansion state, it includes fixed rail, movable rail, shifting block, casing, be equipped with resilience main part and slider in the casing, resilience main part and slider pass through spring coupling, the slider top is equipped with the groove of plugging into, the slider still is equipped with the location arch, be equipped with horizontal guide portion in the resilience main part, it still is equipped with constant head tank and inclined plane portion, its characterized in that to rebound the main part: the shifting block is arranged at the rear part of the movable rail, and the shell is arranged at the front part of the fixed rail.
It is further characterized by:
When the sliding rail is completely closed, the positioning protrusion of the sliding block is positioned in the positioning groove of the rebound 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 rebound main body, and the sliding block is in a horizontal state;
The movable rail is connected with the middle rail through a movable rail bead frame, and the middle rail is connected with the fixed rail through a fixed rail bead frame;
The front end and the rear end of the movable rail are provided with buffer pieces, and the front end and the rear end of the movable rail bead frame are provided with buffer pieces; the front end of the middle and small rail is provided with a buffer piece, the front end and the rear end of the middle and large rail are provided with buffer pieces, and the front end of the fixed rail is provided with a buffer piece; the buffer piece comprises an elastic buffer part capable of buffering and a fixing part used for being connected with the sliding rail component;
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, when opening the slide rail, the movable rail takes the shifting block to move forward, and the slider is in the tilt state this moment, and when the slide rail was close when expanding completely, shifting block and slider contact, along with the slide rail expansion completely, shifting block extrusion slider made its from tilt state become the horizontality, because the spring exists, the spring can pull the slider and realize the locking, if the slide rail receives touching slide rail also can not close easily, prevent the tong, only after exerting enough power and making the spring stretch to enough length and make the slider become tilt state again, just can close the slide rail smoothly.
Drawings
FIG. 1 is a view of a slide rail in an extended state;
FIG. 2 is a view of a slide rail closed state;
Fig. 3 is a structural view of the housing in an installed state;
FIG. 4 is a block diagram;
FIG. 5 is a first view of the rebound body structure;
FIG. 6 is a second view of the rebound body structure;
FIG. 7 is a diagram of a dial block configuration;
FIG. 8 is a diagram of the connection of the slider and the rebound body in the slider tilted state;
FIG. 9 is a diagram of the slider and rebound body connection (omitting springs) in the slider horizontal state;
FIG. 10 is a diagram of a movable rail structure with a bumper;
FIG. 11 is a diagram of a medium and small rail structure with a buffer;
FIG. 12 is a diagram of a medium and large rail structure with a cushioning member;
FIG. 13 is a block diagram of a fixed rail with a bumper;
FIG. 14 is a view of the movable rail bead holder with a buffer (steel balls not shown);
fig. 15 is a view showing a structure of a fixed rail bead frame with a buffer (steel balls not shown);
FIG. 16 is a view of a first bumper construction;
FIG. 17 is a first bumper mounting structure;
FIG. 18 is a second bumper mounting structure;
FIG. 19 is a third bumper mounting structure;
FIG. 20 is a third bumper mounting cross-sectional view;
Fig. 21 is a fourth cushion attachment structure diagram.
Detailed Description
The automatic locking sliding rail in the unfolded state shown in fig. 1-9 comprises a fixed rail 6, a movable rail 1, a shifting block 100 and a shell 600, wherein a rebound main body 601 and a sliding block 602 are arranged in the shell 600, the rebound main body 601 and the sliding block 602 are connected through a spring 603, the direction of the rebound main body 601 is opposite to the installation direction mentioned in the background art, a connection 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 rebound main body 601, a positioning groove 6012 and an inclined surface portion 6013 are formed in the rear portion of the rebound main body 601, the shifting block 100 is installed at the rear portion of the movable rail 1 in a riveted mode, and the shell 600 is installed at the front portion of the fixed rail 6 in a riveted 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 rebound body 601, and the slide block 602 is in an inclined state; when the slide rail is fully extended as shown in fig. 9, the positioning protrusion 6022 of the slide block 602 is positioned in the horizontal guide portion 6011 of the rebound body 601, and the slide block 602 is in a horizontal state. 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, as shown in fig. 3, 5 and 6, the resilient body 601 is clamped on the hole of the side wall of the casing 600 by the elastic piece 6014 bent outwards at the back of the resilient body 601, meanwhile, the rear end of the resilient body 601 is provided with a positioning block 6015, the positioning block 6015 is inserted into the C-shaped groove 6001 at the rear end of the casing 600, and the tail end of the casing 600 is bent against the front of the resilient body 601 to fix the resilient body 601.
As shown in fig. 4, 8 and 9, 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 rebound 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 rebound 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 rebound 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. It is also worth mentioning that since this structure is used for locking, no damping member is needed to cushion while the spring 603 is shorter and the horizontal guide 6011 is also shorter than the spring employed in the rebound structure mentioned in the background.
In addition, as shown in fig. 1 and 2, and as shown in fig. 10-15, the specific structure of the sliding rail further comprises a middle rail positioned between the fixed rail 6 and the movable rail 1, the middle rail comprises a middle rail and middle rail 3 positioned on one side and a middle rail and large rail 4 positioned on the other side, the middle rail and the middle rail 3 and the large rail 4 are connected (e.g. welded and riveted) back to each other to form a middle rail, the middle rail and the middle rail 3 are connected with the movable rail 1 through the movable rail bead frame 2, and the middle rail 4 is connected with the fixed rail 6 through the fixed rail bead frame 5. When the sliding rail is used for opening, the collision parts are: 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.
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. 16 and 17, 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. 18, 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. 19 and 20, 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. 21, 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 the slide rail in-process, the collision department of two sliding parts that bump all is equipped with the bolster, compares the slide rail silence effect that is equipped with the bolster in the tradition better and life is longer.
The present invention 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 invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides an automatic locking's slide rail under expansion state, it includes fixed rail, movable rail, shifting block, casing, be equipped with resilience main part and slider in the casing, resilience main part and slider pass through spring coupling, the slider top is equipped with the groove of plugging into, the slider still is equipped with the location arch, be equipped with horizontal guide portion in the resilience main part, it still is equipped with constant head tank and inclined plane portion, its characterized in that to rebound the main part: the shifting block is arranged at the rear part of the movable rail, and the shell is arranged at the front part of the fixed rail;
The movable rail is connected with the middle rail through a movable rail bead frame, and the middle rail is connected with the fixed rail through a fixed rail bead frame;
The front end and the rear end of the movable rail are provided with buffer pieces, and the front end and the rear end of the movable rail bead frame are provided with buffer pieces; the front end of the middle and small rail is provided with a buffer piece, the front end and the rear end of the middle and large rail are provided with buffer pieces, and the front end of the fixed rail is provided with a buffer piece; the buffer piece comprises an elastic buffer part capable of buffering and a fixing part used for being connected with the sliding rail component;
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;
When the sliding rail is completely closed, the positioning protrusion of the sliding block is positioned in the positioning groove of the rebound 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 rebound 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 forward, 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 be changed into a horizontal state from the inclined state along with the complete unfolding of the sliding rail.
2. The slide rail automatically locked in the unfolded state according to 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 slide rail automatically locked in the unfolded state according to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911141190.8A CN110664141B (en) | 2019-11-20 | 2019-11-20 | Slide rail capable of being automatically locked in unfolding state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911141190.8A CN110664141B (en) | 2019-11-20 | 2019-11-20 | Slide rail capable of being automatically locked in unfolding state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110664141A CN110664141A (en) | 2020-01-10 |
| CN110664141B true CN110664141B (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911141190.8A Active CN110664141B (en) | 2019-11-20 | 2019-11-20 | Slide rail capable of being automatically locked in unfolding state |
Country Status (1)
| Country | Link |
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| CN (1) | CN110664141B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI717306B (en) * | 2020-08-19 | 2021-01-21 | 川湖科技股份有限公司 | Slide rail assembly |
| DE102022130217A1 (en) | 2022-11-15 | 2024-05-16 | Accuride International Gmbh | Sliding stop device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2100536A1 (en) * | 2008-03-13 | 2009-09-16 | Tai Wai Ng | Drawer slide closure device |
| CN101957121A (en) * | 2010-10-29 | 2011-01-26 | 无锡市超群自动化设备有限公司 | Slide rail for refrigerator |
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| CN211354578U (en) * | 2019-11-20 | 2020-08-28 | 无锡海达尔精密滑轨股份有限公司 | Sliding rail capable of being automatically locked in unfolded state |
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| EP2100536A1 (en) * | 2008-03-13 | 2009-09-16 | Tai Wai Ng | Drawer slide closure device |
| CN101957121A (en) * | 2010-10-29 | 2011-01-26 | 无锡市超群自动化设备有限公司 | Slide rail for refrigerator |
| CN101963429A (en) * | 2010-10-29 | 2011-02-02 | 无锡市超群自动化设备有限公司 | Guide track with bumper blocks for refrigerator sliding door |
| CN101963428A (en) * | 2010-10-29 | 2011-02-02 | 无锡市超群自动化设备有限公司 | Guide rail with self-locking device for refrigerator sliding door |
| WO2012094812A1 (en) * | 2011-01-13 | 2012-07-19 | Xiao Yousong | Sliding rail assembly |
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| CN201987016U (en) * | 2011-04-25 | 2011-09-28 | 肖又松 | Sliding rail assembly with self-locking device |
| CN211354578U (en) * | 2019-11-20 | 2020-08-28 | 无锡海达尔精密滑轨股份有限公司 | Sliding rail capable of being automatically locked in unfolded state |
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| CN110664141A (en) | 2020-01-10 |
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