CN108720377B - Sliding rail assembly - Google Patents

Sliding rail assembly Download PDF

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Publication number
CN108720377B
CN108720377B CN201710256570.0A CN201710256570A CN108720377B CN 108720377 B CN108720377 B CN 108720377B CN 201710256570 A CN201710256570 A CN 201710256570A CN 108720377 B CN108720377 B CN 108720377B
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CN
China
Prior art keywords
rail
sliding rail
respect
latch fitting
feature
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CN201710256570.0A
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Chinese (zh)
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CN108720377A (en
Inventor
陈庚金
杨顺和
游凯文
王俊强
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King Slide Works Co Ltd
King Slide Technology Co Ltd
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King Slide Works Co Ltd
King Slide Technology Co Ltd
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Application filed by King Slide Works Co Ltd, King Slide Technology Co Ltd filed Critical King Slide Works Co Ltd
Priority to CN201710256570.0A priority Critical patent/CN108720377B/en
Publication of CN108720377A publication Critical patent/CN108720377A/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00General construction of drawers, guides and guide devices
    • A47B2210/0002Guide construction for drawers
    • A47B2210/0018Buffers, stop blocks or latches for single drawer slides

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  • Drawers Of Furniture (AREA)

Abstract

The present invention includes two sliding rails and a damping unit in relation to a kind of sliding rail assembly.When wherein another past different directions are displaced one of two sliding rails relatively, it can pass through the damping unit by pushing and pressing and buffer function be provided.

Description

Sliding rail assembly
Technical field
It, can when particularly relating to relative displacement between a kind of two section sliding rails of sliding rail assembly the present invention relates to a kind of sliding rail assembly Buffer function is provided through damping unit.
Background technique
In general, sliding rail assembly includes that one first rail and one second rail can be displaced with respect to first rail.Preferably, also wrapping It is movably mounted to constitute so-called three-section type sliding track assembly between first rail and second rail containing a third rail.
In in the prior art, when the second rail and/or third rail are opened with respect to the first rail toward a first direction or past one second When direction folds, due to lack allow user predict the second rail and/or third rail will opposite first rail reach specific position or The mechanism of specific stroke, so that being unable to satisfy specialized market's demand.
Summary of the invention
The purpose of the present invention is to provide a kind of sliding rail assemblys, and relatively another sliding rail of the sliding rail to realize sliding rail assembly is past It can pass through damping unit when different directions are displaced and buffer function be provided.
A viewpoint according to the present invention, a kind of sliding rail assembly include one first rail, one second rail, a third rail and a damping Device.Second rail can be displaced with respect to first rail;The third rail is movably mounted between first rail and second rail;It should Damping unit is mounted on first rail;Wherein, which includes one first pushing and pressing feature and one second pushing and pressing feature difference position In the two sides of the damping unit;Wherein, it during the third rail is displaced with respect to first rail toward a first direction, can pass through The first pushing and pressing feature pushes against the damping unit, and the damping unit is made to provide buffer function;Wherein, when the third rail with respect to this During one rail is displaced toward a second direction, it can pass through the second pushing and pressing feature and push against the damping unit, make the damping unit Buffer function is provided.
Preferably, the sliding rail assembly also includes that a contact is located at first rail and a synchronous piece is movably mounted to The third rail makes second rail and is somebody's turn to do when second rail is displaced from a stowed position toward the first direction through the synchronous piece Third rail can be synchronously displaced with respect to first rail toward the first direction, when being moved to first predetermined position, by this The collocation of synchronous piece and the contact acts on, and is displaced the third rail no longer synchronously with second rail.
Preferably, the synchronous piece through one first shaft member with respect to the third rail be pivotally connected, the synchronous piece have one first and One second part is not located at the two sides of first shaft member, this first to clip second rail, it is first predetermined when being moved to this When position, the contact is contacted through this second, makes the synchronous piece beat and enables this first to pull from the second rail solution.
Preferably, the sliding rail assembly also includes that one first elastic component applies elastic force to the synchronous piece.
Preferably, the sliding rail assembly also includes that a fastener is movably mounted to the third rail, when the third rail from this first When predetermined position is moved to second predetermined position toward the first direction, which makes the third rail in the contact It can not be folded with respect to first rail.
Preferably, the fastener is pivotally connected through one second shaft member with respect to the third rail, the fastener is with a first segment and one the Two sections of two sides for being located at second shaft member, the second segment is to clasp in the contact.
Preferably, the sliding rail assembly also includes that one second elastic component applies elastic force to the fastener.
Preferably, the third rail includes a blocking feature, which also includes that a work package is movably mounted to this Second rail, when the third rail is in second predetermined position, and second rail is in an open position with respect to the third rail, the work Workpiece is by the blocking features block, to prevent second rail to be displaced from the open position toward the second direction.
Preferably, the work package is pivotally connected with respect to second rail, and the sliding rail assembly also includes that a release member operationally connects The work package is connect, to operate one angle of work package beat no longer by the blocking features block.
Preferably, the sliding rail assembly also includes that there is a pedestal elastic portion to provide elastic force to the work package.
Preferably, when the work package is by operation and no longer by the blocking features block, and second rail is with respect to the third rail When being displaced from the open position toward the second direction, second rail can driving the fastener to be detached from the contact, make this Three rails can be displaced with respect to first rail toward the second direction.
Preferably, the sliding rail assembly also includes a barrier structure and a latch fitting, which is located at first rail, the lock Part is to lock the barrier structure, to prevent second rail to be displaced with respect to first rail from the stowed position toward the first direction.
Preferably, the sliding rail assembly also includes an operating parts to operate the latch fitting, to release the latch fitting to the blocking junction The locking of structure enables second rail to be displaced with respect to first rail toward the first direction.
Preferably, the sliding rail assembly also includes that there is a support construction elastic part to provide elastic force to the latch fitting, when this When two rails are in the stowed position, which responds elastic part offer elastic force and is able to maintain the locking barrier structure.
Preferably, the latch fitting is that opposite second rail is pivotally connected.
Preferably, the latch fitting includes a fisrt feature, which can be with respect to second rail activity, and the operating parts includes One second feature, the operating parts are acted on through the collocation of the second feature and the fisrt feature of the latch fitting, can be to drive the lock Part, to release locking of the latch fitting to the barrier structure.
Preferably, the sliding rail assembly also includes that an at least auxiliary elastic member applies elastic force to the operating parts, make the operating parts It is able to maintain in a predetermined operational states.
Preferably, one of the barrier structure and the latch fitting include a guidance feature, to opposite in second rail When first rail is folded toward the second direction, which is readily susceptible to through the guidance feature through the barrier structure.
Another viewpoint according to the present invention, a kind of sliding rail assembly include a sliding rail, another sliding rail and a damping unit.It is another Sliding rail can be displaced with respect to the sliding rail;The damping unit is mounted on the sliding rail;Wherein, which includes one first pushing and pressing feature The two sides of the damping unit are located at one second pushing and pressing feature;Wherein, the first pushing and pressing feature and the second pushing and pressing feature The damping unit is pushed against toward different directions to provide another sliding rail respectively, the damping unit is made to generate buffer function.
Detailed description of the invention
Above-mentioned purpose, design feature and effect of the invention are confirmed to further illustrate, below with reference to attached drawing to this hair It is bright to be described in detail, in which:
Fig. 1 shows that the sliding rail assembly of one embodiment of the invention includes the solid of one first rail, one second rail and a third rail Schematic diagram.
Fig. 2 shows the decomposition diagram of the sliding rail assembly of one embodiment of the invention.
Fig. 3 shows the decomposition diagram of the first rail of the sliding rail assembly of one embodiment of the invention.
Fig. 4 shows the decomposition diagram of the third rail of the sliding rail assembly of one embodiment of the invention.
Fig. 5 shows the decomposition diagram of the second rail of the sliding rail assembly of one embodiment of the invention.
Fig. 6 shows the local combination diagram of the second rail of the sliding rail assembly of one embodiment of the invention.
Fig. 7 shows that the sliding rail assembly of one embodiment of the invention is in the schematic diagram of collapse state.
Fig. 8 shows the enlarged diagram of the a-quadrant of Fig. 7.
Fig. 9 shows the enlarged diagram of the B area of Fig. 7.
Figure 10 shows schematic diagram of the latch fitting of the sliding rail assembly of one embodiment of the invention to lock barrier structure.
Figure 11 shows that the operating parts of the sliding rail assembly of one embodiment of the invention is contacted the schematic diagram of latch fitting by operation.
Figure 12 shows the signal that the latch fitting of the sliding rail assembly of one embodiment of the invention has been released from the locking of barrier structure Figure.
Figure 13 shows the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail toward a first party To the schematic diagram being synchronously displaced.
Figure 14 show the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail continue toward this The schematic diagram that one direction is synchronously displaced.
Figure 15 shows the enlarged diagram of the a-quadrant of Figure 14.
Figure 16 shows the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail no longer synchronously The schematic diagram of displacement.
Figure 17 shows the enlarged diagram of the a-quadrant of Figure 16.
Figure 18 shows the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail toward the first party To displacement, and damping unit provides the schematic diagram of buffer function.
Figure 19 shows the enlarged diagram of the a-quadrant of Figure 18.
Figure 20 show the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail continue toward this The schematic diagram of one direction displacement.
Figure 21 shows the enlarged diagram of the a-quadrant of Figure 20.
Figure 22 show the third rail of the sliding rail assembly of one embodiment of the invention through fastener temporarily clasp in the first rail Contact, and the second rail is with respect to the schematic diagram that the first rail and third rail are displaced toward the first direction.
Figure 23 shows the enlarged diagram of the a-quadrant of Figure 22.
Figure 24 show the second rail of the sliding rail assembly of one embodiment of the invention with respect to the first rail and third rail continue toward this The schematic diagram of one direction displacement.
Figure 25 shows the sliding rail assembly of one embodiment of the invention schematic diagram in the open state.
Figure 26 shows the enlarged diagram of the a-quadrant of Figure 25.
Figure 27 shows that the sliding rail assembly of one embodiment of the invention is in the open state, and can pass through operating parts and release work package It is blocked the schematic diagram of the blocking of feature.
Figure 28 shows the enlarged diagram of the a-quadrant of Figure 27.
Figure 29 shows the second rail of the sliding rail assembly of one embodiment of the invention with respect to the first rail and third rail toward a second party To the schematic diagram of displacement.
Figure 30 show the second rail of the sliding rail assembly of one embodiment of the invention continue opposite first rail and third rail toward this The displacement of two directions, and the schematic diagram of the second rail contact fastener.
Figure 31 shows the enlarged diagram of the a-quadrant of Figure 30.
Figure 32 shows the second rail of the sliding rail assembly of one embodiment of the invention the first rail opposite with third rail toward the second party To displacement, and the schematic diagram of one angle of fastener beat.
Figure 33 shows the enlarged diagram of the a-quadrant of Figure 32.
Figure 34 show the second rail of the sliding rail assembly of one embodiment of the invention and third rail continue opposite first rail toward this The displacement of two directions, and damping unit provides the schematic diagram of buffer function.
Figure 35 shows what the second rail of the sliding rail assembly of one embodiment of the invention was displaced with respect to the first rail toward the second direction Schematic diagram.
Figure 36 shows that the second rail of the sliding rail assembly of one embodiment of the invention continues opposite first rail toward the second direction position It moves, and the schematic diagram of latch fitting contact barrier structure.
Figure 37 shows the second rail of the sliding rail assembly of one embodiment of the invention further with respect to the first rail toward the second direction Displacement, and latch fitting passes through the schematic diagram of barrier structure.
Specific embodiment
As shown in Figures 1 and 2, a sliding rail assembly 20 of one embodiment of the invention includes that one first rail 22 (or is referred to as to slide Rail) and one second rail 24.Preferably, being also movably mounted to first rail comprising a third rail 26 (or referred to as another sliding rail) Between 22 and second rail 24, to extend displacement stroke of second rail 24 with respect to first rail 22.
Cooperate shown in Fig. 2 and Fig. 3, which includes that one first wall 28a, one second wall 28b and a side wall 30 connect Between the first wall 28a and the second wall 28b.30 common definition of the first wall 28a, the second wall 28b and side wall of first rail 22 One first passage 32.And first rail 22 has an a front 34a and rear portion 34b.
The sliding rail assembly 20 also includes a barrier structure 36, a contact 38 and an at least damping unit 40.
The barrier structure 36 is located at the side wall 30 of first rail 22.Wherein, the barrier structure 36 can pass through riveting, be spirally connected or The modes such as welding, which are fixedly connected to first rail 22 or the barrier structure 36, can be integrally formed in first rail 22.Therefore, The barrier structure 36 is considered as a part of first rail 22.In this, the barrier structure 36 is by taking a convex wall as an example;However, Alternatively implement in kenel, which is also possible to the structure of recess (or hole), therefore does not limit in implementation.Preferably Ground, the barrier structure 36 are the front 34a positioned at adjacent first rail 22.
The contact 38 is located at the side wall 30 of first rail 22.The contact 38, which can pass through, the side such as rivets, is spirally connected or welds Formula is fixedly connected to first rail 22 or the contact 38 and can be integrally formed in first rail 22.Therefore, the contact 38 It is considered as a part of first rail 22.Preferably, the contact 38 is the front 34a for being located remotely from first rail 22.Also That is, the contact 38 and the barrier structure 36 are the different locations positioned at first rail 22.The contact 38 includes a guidance part 42 and one butting section 44 be located at the adjacent guidance part 42.Wherein, which can be an inclined-plane or a cambered surface.
At least a damping unit 40 is mounted on first rail 22 for this.In this, by taking two damping units 40 as an example.Preferably, Each damping unit 40 is located between the barrier structure 36 and the contact 38.Specifically, the side wall 30 of first rail 22 has There is an opening 46, and the two sides of the opening 46 have one first abutment wall 48a, first abutment wall opposite with one second position abutment wall 48b 48a;On the other hand, the damping unit 40 is to provide buffer function.The damping unit 40 includes one first damper portion 50 and one Second damper portion 52, for example, first damper portion 50 can be a cylinder body, and second damper portion 52 can be a body of rod.Its In, comprising buffer object and/or elastic object in the cylinder body, and the body of rod can be stretched out with respect to the cylinder body or retraction.Due to this Part for be familiar with the field usual skill it will be appreciated that technology scope do not repeated separately in this for brevity.Can In the implementation kenel of replacement, which can be a body of rod, and second damper portion 52 can be a cylinder body, therefore Do not limit in implementation.Preferably, the sliding rail assembly 20 also keeps seat 54, one first accessory 56 and one second accessory 58 comprising one. Specifically, the holding seat 54 is located at the opening 46 between the first abutment wall 48a and second abutment wall 48b.Preferably, the guarantor Hold seat 54 and be mounted on first rail 22, for example, the holding seat 54 can pass through clamping, rivet or be spirally connected etc. modes be fixed on this first Rail 22.In addition, the holding seat 54 includes a space 60 for the damping unit 40 installation.On the other hand, first accessory 56 with Second accessory 58 is movably mounted to first rail 22.For example, first accessory 56 and second accessory 58 have at least one Slip characteristics 62, an at least slip characteristics 62 can be sliding slot to act on 22 collocation of the first rail, make first accessory 56 can be displaced with second accessory 58 with respect to first rail 22.Furthermore, which is to be located at first abutment wall Between 48a and first damper portion 50, and second accessory 58 be located at the second abutment wall 48b and second damper portion 52 it Between.
Cooperate shown in Fig. 2 and Fig. 4, the third rail 26 install to the first passage 32 of first rail 22 and can it is opposite this first Rail 22 is displaced.Specifically, the third rail 26 include one first wall 64a, one second wall 64b and a side wall 66 be connected to this Between one wall 64a and the second wall 64b.The first wall 64a, the second wall 64b and 66 common definition one second of side wall of the third rail 26 Channel 68.And the third rail 26 has an a front 70a and rear portion 70b.
The sliding rail assembly 20 also includes a synchronous piece 72 and a fastener 74.The synchronous piece 72 is movably mounted to the third rail One of 26 and second rail 24, in this, by taking the synchronous piece 72 is movably mounted to the third rail 26 as an example.Preferably, The third rail 26 has one first long hole 75.The synchronous piece 72 is pivotally connected through the opposite third rail 26 of one first shaft member 76, and should Synchronous piece 72 can the beat activity between first rail 22 and second rail 24 through first long hole 75.The synchronous piece 72 has One first 78 and one second 80 is located at the two sides of first shaft member 76.Preferably, the sliding rail assembly 20 also includes one First elastic component 82 applies elastic force to the synchronous piece 72.For example, first elastic component 82 has a body part 82a and an elastic force foot 82b connects body part 82a, and the elastic force foot 82b elasticity is loaded onto this second 80.On the other hand, the fastener 74 is actively It is mounted on the third rail 26.Preferably, the third rail 26 has one second long hole 83.The fastener 74 penetrates one second shaft member, 84 phase To the third rail 26 be pivotally connected, and the fastener 74 through second long hole 83 can between first rail 22 and second rail 24 beat Activity.The two sides that there is the fastener 74 first segment 86 and a second segment 88 to be located at second shaft member 84.Preferably, the cunning Rail assembly 20 also applies elastic force to the fastener 74 comprising one second elastic component 90.For example, second elastic component 90 has an ontology A portion 90a and elastic force foot 90b connects body part 90a, and the elastic force foot 90b elasticity is loaded onto the second segment 88.The synchronous piece 72 and the fastener 74 be setting be located at the adjacent third rail 26 rear portion 70b and along the length of the third rail 26 be arranged in difference Position, such as forward and backward different location.
Preferably, the third rail 26 includes that one first pushing and pressing feature 92, one second pushes against feature 94 and a blocking feature 96. Wherein, the first pushing and pressing feature 92 and the second pushing and pressing feature 94 have a preset distance each other, and first pushing and pressing are special Sign 92 with this second pushing and pressing feature 94 in this all by taking projection as an example.The first pushing and pressing feature 92 and the second pushing and pressing 94 court of feature To the side wall 30 of first rail 22;On the other hand, side wall 100 of the blocking feature 96 towards second rail 24.The blocking feature 96 can be a convex block, in this, be fixed to the third rail 26 with an additional component, and the component has the blocking feature 96 For the front 70a of the adjacent third rail 26.The blocking feature 96 is considered as a part of the third rail 26.Replaceable Implementation kenel in, which can also be integrally formed in the third rail 26, therefore not limit on implementing.
Cooperate shown in Fig. 2, Fig. 5 and Fig. 6, which installs to the second channel 68 of the third rail 26 and opposite can be somebody's turn to do Third rail 26 is displaced.Specifically, second rail 24 includes that one first wall 98a, one second wall 98b and side wall above-mentioned 100 connect It connects between the first wall 98a and the second wall 98b, and second rail 24 has an a front 101a and rear portion 101b.The sliding rail Assembly 20 includes a latch fitting 102, preferably, also including an operating parts 104, a work package 106 and a release member 108.
When the sliding rail assembly 20 is in a stowed position, barrier structure of the latch fitting 102 to lock first rail 22 36.Preferably, before the latch fitting 102 is operably mounted at second rail 24, and the latch fitting 102 is located at adjacent second rail 24 Portion 101a.Specifically, the latch fitting 102 is movably mounted to second rail 24, such as the latch fitting 102 is opposite second rail 24 Pivot joint.In this, which also adheres to second rail 24 comprising a support construction 110, and the support construction 110 includes One main part 112, at least an ear 114 and an elastic part 116.Wherein, which can pass through riveting, is spirally connected or welds Etc. modes be connected to the side wall 100 of second rail 24;At least an ear 114 substantially vertically connects the main part 112 for this; The elastic part 116 is with respect to the main part 112 one angle of tilting and to provide elastic force to the latch fitting 102.Furthermore, the lock Part 102 includes the whole body portion 118, a guidance feature 120 and a lock section 150.Wherein, which is pivoted to through a pin member 126 An at least ear 114 for the support construction 110, and the guidance feature 120 and lock section 150 are located at and are somebody's turn to do through the body portion 118 The two sides of pin member 126.The guidance feature 120 can be one of an inclined-plane and a cambered surface.Preferably, the guidance feature 120 can pass through second rail 24 one wear mouth 128 and towards the side wall of first rail 22 30.Preferably, the latch fitting 102 also includes At least a shoulder 122 and an at least fisrt feature 124.An at least shoulder 122 extends from the body portion 118 and the adjacent guiding is special Sign 120, preferably, the position of an at least shoulder 122 corresponds to an at least limiting section 130 for second rail 24, wherein this is at least One limiting section 130 arches upward with respect to the side wall 100 of second rail 24 and has a height;On the other hand, an at least fisrt feature 124 connect the body portion 118 and the adjacent lock section 150.The position of an at least fisrt feature 124 be corresponding second rail 24 extremely A few hole 131.
The operating parts 104 is to operate the latch fitting 102.Specifically, the operating parts 104 can be living with respect to second rail 24 It is dynamic.For example, the operating parts 104 has an at least long hole 132, and an at least long hole 132 is passed through through at least a connection piece 134 A part, the operating parts 104 is movably mounted to second rail 24.Preferably, the operating parts 104 includes at least one Second feature 136, to 124 collocation of at least fisrt feature effect with the latch fitting 102.Wherein, an at least second feature 136 with this at least one of fisrt feature 124 include an inclined-plane or a cambered surface.Preferably, the sliding rail assembly 20 is also wrapped Apply elastic force to the operating parts 104 containing an at least auxiliary elastic member 138, is able to maintain the operating parts 104 in a predetermined operation shape State.
The work package 106 is movably mounted to second rail 24, such as the work package 106 with respect to the side wall of second rail 24 100 pivot joints.Preferably, the sliding rail assembly 20 also comprising a pedestal 140 there is an elastic portion 142 to provide elastic force to the work package 106, so that the work package 106 is maintained at a predetermined state with respect to second rail 24.
The release member 108 is operably connected the work package 106.Preferably, the release member 108 include a release portion 144, One drive portion 146 and an extension 148.The release portion 144 connects the operating parts 104;The drive portion 146 is to drive the work Part 106;The extension 148 is connected between the release portion 144 and the drive portion 146, and the extension 148 has a pre- fixed length The length direction spent essentially along second rail 24 configures.
As illustrated in figs. 7 and 8, which is in a collapse state.Specifically, under the collapse state, it should Opposite first rail 22 folds second rail 24 respectively with the third rail 26.Wherein, when second rail 24 is with respect at first rail 22 When a stowed position R (or a predetermined position), barrier structure of the lock section 150 of the latch fitting 102 to lock first rail 22 36 side S1, to prevent second rail 24 with respect to first rail 22 from stowed position R toward a first direction (such as opening square To) displacement, it so can ensure that the sliding rail assembly 20 is in the collapse state.Preferably, the operating parts 104 is with respect to second rail 24 Front 101a exceed a distance, with convenient for users to operation.It wherein, should when second rail 24 is in stowed position R Latch fitting 102 responds the elastic force of the elastic part 116 of the support construction 110, make the lock section 150 of the latch fitting 102 be able to maintain locking this The barrier structure 36 of one rail 22.In this, by taking the elastic part 116 of the support construction 110 is elastically supported the latch fitting 102 as an example.This Outside, as shown in fig. 7, the first pushing and pressing feature 92 of the third rail 26 and the second pushing and pressing feature 94 are located at the damping unit 40 Two sides.Preferably, since the lock section 150 of the latch fitting 102 locks the side S1 of the barrier structure 36 of first rail 22, it should Second damper portion 52 of damping unit 40 can pass through second accessory 58 by second pushing and pressing feature 94 temporarily resist, make this second Damper portion 52 is shunk relative to each other with first damper portion 50.
As shown in figure 9, it is noted that the synchronous piece 72 penetrates when the sliding rail assembly 20 is in the collapse state The elastic force of the elastic force foot 82b of first elastic component 82 is applied to this second 80, makes second 80 direction of the synchronous piece 72 should First rail 22, and first 78 clip of the synchronous piece 72 are in a clip feature 152 (such as the hole wall in a hole of second rail 24 Or one slot cell wall);On the other hand, the fastener 74 through the elastic force of the elastic force foot 90b of second elastic component 90 be applied to this Two section 88, make the second segment 88 of the fastener 74 towards first rail 22, and the first segment 86 of the fastener 74 is towards second rail 24.
As shown in Figure 10 and Figure 11, when being intended to release the collapse state of the sliding rail assembly 20, user can operate the lock Part 102 makes the lock section 150 of the latch fitting 102 not relock the side S1 of the barrier structure 36 of first rail 22.For example, user A strength F can be applied to the operating parts 104, the operating parts 104 is made to be displaced with respect to the latch fitting 102 and the latch fitting 102 can be driven.
Cooperate shown in Figure 11 and Figure 12, after the latch fitting 102 is driven by operation, the lock section of the latch fitting 102 can be released The locking of 150 pairs of barrier structures 36.Preferably, the operating parts 104 is through the second feature 136 and the first of the latch fitting 102 The collocation effect (such as inclined-plane or cambered surface offset) of feature 124, is readily susceptible to drive 102 beat of latch fitting, one angle, to release Locking of the lock section 150 of the latch fitting 102 to the side S1 of the barrier structure 36.Wherein, when the latch fitting 102 by operation and beat should After angle, the elastic part 116 of the support construction 110 is resiliently bent and is in the state of accumulation elastic force, and the first of the latch fitting 102 Feature 124 is close towards the hole of second rail 24 131.And when the latch fitting 102 is by operation and after the beat angle, the latch fitting 102 Shoulder 122 can be resisted against the limiting section 130 of second rail 24.
As shown in figure 13, when the locking of the opposite barrier structure 36 of above-mentioned latch fitting 102 is released from, second rail 24 with should Third rail 26 can be displaced with respect to first rail 22 from the stowed position toward first direction D1.Wherein, it is somebody's turn to do when second rail 24 is past When first direction D1 is displaced, through the synchronous piece 72, enable second rail 24 and the third rail 26 synchronously with respect to first rail 22 are displaced toward first direction D1.Specifically, through the synchronous piece 72 first 78 clip second rail 24 clip Feature 152 enables second rail 24 to be synchronously displaced with the third rail 26.
Cooperate shown in Figure 14 and Figure 15, when second rail 24 and the third rail 26 with respect to first rail 22 toward the first direction D1 be synchronously displaced it is fast close to first predetermined position when, second 80 of the synchronous piece 72 can contact the one of the contact 38 Position, such as contact the guidance part 42 (but not limiting to).It is noted that it is past with respect to first rail 22 to respond the third rail 26 First direction D1 displacement, the second pushing and pressing feature 94 no longer resist the second resistance of the damping unit 40 through second accessory 58 Buddhist nun portion 52 extends second damper portion 52 relative to each other with first damper portion 50.In other words, which is in one Buffer readiness.
Cooperate shown in Figure 15, Figure 16 and Figure 17, when second rail 24 and the third rail 26 first rail 22 relatively continue it is past When first direction D1 is synchronously moved to first predetermined position P1, by the contact of the synchronous piece 72 and first rail 22 38 collocation effect, is displaced the third rail 26 no longer synchronously with second rail 24.Specifically, the second of the synchronous piece 72 Portion 80 can contact the guidance part 42 of the contact 38, and generate an active force with the guidance part 42, and therefore, the synchronous piece 72 is accordingly Energy beat makes first 78 of the synchronous piece 72 to solve from the clip feature 152 of second rail 24 and pulls, so that the third rail 26 is no longer It is synchronously displaced with second rail 24 toward first direction D1.Preferably, second 80 of the guidance part 42 and the synchronous piece 72 One of be inclined-plane or cambered surface, to help 72 beat of synchronous piece.
As shown in Figure 18 and Figure 19, after synchronized relation is released from, second rail 24 and the third rail 26 can by oneself (or Respectively) opposite first rail 22 continues to be displaced toward first direction D1.Wherein, when the third rail 26 is pre-positioned from above-mentioned first Set P1 toward first direction D1 continue displacement when, the second segment 88 of the fastener 74 can contact the one of the contact 38 of first rail 22 Position, such as contact the guidance part 42.In addition, the first pushing and pressing feature 92 of the third rail 26 can be pushed against through first accessory 56 First damper portion 50 of the damping unit 40, shrinks first damper portion 50 gradually relatively with second damper portion 52, uses To provide the third rail 26 and/or 24 buffer function of the second rail.In particular, user can predict the third rail 26 i.e. accordingly An extension state will be reached with respect to first rail 22.
Cooperate shown in Figure 19, Figure 20 and Figure 21, when the third rail 26 continues with respect to first rail 22 toward first direction D1 When being moved to fastly close to second predetermined position, acts on, make by the collocation of the fastener 74 and the contact 38 of first rail 22 74 beat of fastener, one angle.Specifically, the second segment 88 of the fastener 74 can contact the guidance part 42 of the contact 38, and with The guidance part 42 generate an active force, therefore, the fastener 74 accordingly can beat so that the second segment 88 of the fastener 74 can pass through this The guidance part 42 of contact 38.Preferably, one of second segment 88 of the guidance part 42 and the fastener 74 is inclined-plane or arc The guidance part 42 of the contact 38 is passed through in face to help the second segment 88 of the fastener 74.It is noted that when the fastener 74 is inclined When pendulum, the elastic force foot 90b of second elastic component 90 is in the state for accumulating elastic force.In addition, the first pushing and pressing feature of the third rail 26 92 can continue to push against the first damper portion 50 of the damping unit 40 through first accessory 56, make first damper portion 50 and this Two damper portions 52 are relatively shunk.
Cooperate shown in Figure 21, Figure 22 and Figure 23, when opposite first rail 22 of the third rail 26 is further toward the first direction When D1 is moved to second predetermined position P2, the fastener 74 can temporarily clasp in the contact 38, such as fastener 74 second Temporarily clasp makes the third rail 26 can not be with respect to first rail 22 toward a second party to section 88 in the butting section of the contact 38 44 It is folded to (such as folding direction).In addition, the first pushing and pressing feature 92 of the third rail 26 can be further through first accessory 56 The first damper portion 50 for pushing against the damping unit 40, shrinks first damper portion 50 fully with second damper portion 52.
As shown in figure 24, when the third rail 26 is in second predetermined position P2, which can be with respect to the third rail 26 and/or first rail 22 continue to be moved to an open position E (or extended position) toward first direction D1, e.g. open completely Open position.
As shown in Figure 25 and Figure 26, when second rail 24 is in the unlatching with respect to the third rail 26 and/or first rail 22 When the E of position, which is stopped by the blocking feature 96 of the third rail 26, to prevent second rail 24 from the open position E is set to be displaced toward the second direction (such as folding direction).Under this situation, user can apply strength F to the release member 108 or The operating parts 104, to release the work package 106 by the blocking of the blocking feature 96.
As shown in Figure 27 and Figure 28, after the operating parts 104 is operated, which penetrates drive portion by gearing 146 go to drive 106 beat of the work package angle, stop the work package 106 no longer by the blocking feature 96.In other words, should Second rail 24 can be displaced from open position E with respect to the third rail 26 and/or first rail 22 toward second direction D2.
As shown in Figure 29, Figure 30 and Figure 31, when second rail 24 with respect to the third rail 26 and/or is somebody's turn to do from open position E During first rail 22 is displaced toward second direction D2, a position (such as rear portion 101b) of second rail 24 can contact the button The first segment 86 of part 74 (this part can cooperate Figure 31).
Cooperate shown in Figure 31, Figure 32 and Figure 33, it, should during second rail 24 continues to be displaced toward second direction D2 The rear portion 101b of second rail 24 can drive the fastener 74 through the first segment 86, so that the second segment 88 of the fastener 74 is detached from this and connect The butting section 44 of contact element 38, in this way, the third rail 26 is enable to be displaced with respect to first rail 22 toward second direction D2.
As shown in figure 34, it is displaced with respect to first rail 22 toward second direction D2 when the third rail 26 and second rail 24 In the process, the second pushing and pressing feature 94 of the third rail 26 can push against the second damping of the damping unit 40 through second accessory 58 Portion 52, to provide the third rail 26 and/or 24 buffer function of the second rail.In particular, user can predict accordingly this Three rails 26 will reach a collapse state with respect to first rail 22.
As shown in Figure 35 and Figure 36, when second rail 24 (with the third rail 26) continue opposite first rail 22 toward this second During direction D2 is displaced, the guidance feature 120 of the latch fitting 102 can contact the other side of the barrier structure 36 of first rail 22 S2。
Cooperate shown in Figure 36 and Figure 37, when second rail 24 (with the third rail 26) further opposite first rail 22 toward should Second direction D2 displacement fastly close to above-mentioned stowed position R when, contact generated work with the barrier structure 36 through the latch fitting 102 Firmly, enable 102 beat of latch fitting, one angle, enable the guidance feature 120 of the latch fitting 102 can be by the another of the barrier structure 36 Side S2.Preferably, the barrier structure 36 also has another guidance feature other than the latch fitting 102 has the guidance feature 120 154.Accordingly, it is acted on through the collocation of these guidance features 120,154 (such as inclined-plane or cambered surface), is readily susceptible to the latch fitting 102 Pass through the other side S2 of the barrier structure 36.It follows that one of the latch fitting 102 and the barrier structure 36 have guiding Feature, in not limiting in implementation.Once it is noted that the guidance feature 120 of the latch fitting 102 passes through the barrier structure After 36 other side S2, the elastic part 116 which can pass through the support construction 110 provides elastic force, makes the latch fitting 102 Lock section 150 again locks the side S1 of the barrier structure 36 of first rail 22, also that is, second rail 24 is (with the third rail 26) it can again keep being in stowed position R (as illustrated in figs. 7 and 8) with respect to first rail 22, for brevity, close It is in the collapse state in the sliding rail assembly 20, is repeated no more in this.
According to above explanation, it is known that enhancement effect of the invention is with advantage:
A. the first pushing and pressing feature 92 of the third rail 26 and the second pushing and pressing feature 94 are located at the two of the damping unit 40 Side, therefore, when the mistake that the third rail 26 is opened toward first direction D1 with respect to first rail 22 or folded toward second direction D2 Cheng Zhong, damping unit 40 are all capable of providing buffer function, have the function of bidirectional buffering.
B. after the latch fitting 102 is released from the locking of the barrier structure 36, through the synchronous piece 72, make second rail 24 It can synchronously toward first direction D1 displacement or be opened opposite first rail 22 with the third rail 26, until total with the contact 38 The synchronized relation of same-action, second rail 24 and the third rail 26 is just released from.
C. when second rail 24 is in a stowed position R with respect to first rail 22, it can pass through the latch fitting 102 and lock the resistance Keep off structure 36, to prevent second rail 24 (with the third rail 26) with respect to first rail 22 from stowed position R toward this first D1 displacement in direction is opened.
Although the present invention is described with reference to current specific embodiment, those of ordinary skill in the art It should be appreciated that above embodiment is intended merely to illustrate the present invention, can also make in the case where no disengaging spirit of that invention Various equivalent change and modification out, therefore, as long as to the variation of above-described embodiment, change in spirit of the invention Type will all be fallen in the range of the claim of this application book.

Claims (16)

1. a kind of sliding rail assembly first rail displacement and a third rail can actively pacify relatively comprising one first rail, one second rail Between first rail and second rail, it is characterised in that:
One damping unit is mounted on first rail;
Wherein, which includes the two sides that one first pushing and pressing feature is located at the damping unit with one second pushing and pressing feature;
Wherein, during the third rail is displaced with respect to first rail toward a first direction, it can pass through the first pushing and pressing feature The damping unit is pushed against, the damping unit is made to provide buffer function;
Wherein, during the third rail is displaced with respect to first rail toward a second direction, it can pass through the second pushing and pressing feature The damping unit is pushed against, the damping unit is made to provide buffer function;
The sliding rail assembly also includes that a contact is located at first rail and a synchronous piece is movably mounted to the third rail, When second rail is displaced from a stowed position toward the first direction, keep second rail and the third rail same through the synchronous piece It walks opposite first rail in ground to be displaced toward the first direction, when being moved to first predetermined position, by the synchronous piece and be somebody's turn to do The collocation of contact acts on, and is displaced the third rail no longer synchronously with second rail;
The sliding rail assembly also includes that a fastener is movably mounted to the third rail, when the third rail is from first predetermined position When being moved to second predetermined position toward the first direction, which makes the third rail can not be opposite in the contact First rail folds.
2. sliding rail assembly according to claim 1, which is characterized in that the synchronous piece through one first shaft member with respect to this The pivot joint of three rails, the synchronous piece have one first two sides for not being located at first shaft member with a second part, this first to Clip second rail contacts the contact through this second, makes the synchronous piece beat when being moved to first predetermined position And this first is enabled to pull from the second rail solution.
3. sliding rail assembly according to claim 1, which is characterized in that it is same to this also to apply elastic force comprising one first elastic component Walk part.
4. sliding rail assembly according to claim 1, which is characterized in that the fastener is through one second shaft member with respect to the third There is a first segment and a second segment to be located at the two sides of second shaft member for rail pivot joint, the fastener, and the second segment is to clasp In the contact.
5. sliding rail assembly according to claim 4, which is characterized in that also apply elastic force to the button comprising one second elastic component Part.
6. sliding rail assembly according to claim 1, which is characterized in that the third rail includes a blocking feature, the sliding rail Assembly also includes that a work package is movably mounted to second rail, when the third rail is in second predetermined position, and second rail When the opposite third rail is in an open position, the work package is by the blocking features block, to prevent second rail from opening from this Position is opened to be displaced toward the second direction.
7. sliding rail assembly according to claim 6, which is characterized in that the work package is pivotally connected with respect to second rail, and should Sliding rail assembly also includes that a release member is operably connected the work package, to operate one angle of work package beat and no longer by The blocking features block.
8. sliding rail assembly according to claim 7, which is characterized in that also comprising a pedestal there is an elastic portion to provide elastic force To the work package.
9. sliding rail assembly according to claim 7, which is characterized in that when the work package is by operation and no longer by blocking spy Sign stops, and second rail with respect to the third rail from the open position toward when second direction displacement, which can be to It drives the fastener to be detached from the contact, the third rail is enable to be displaced with respect to first rail toward the second direction.
10. sliding rail assembly according to claim 1, which is characterized in that also include a barrier structure and a latch fitting, the blocking Structure is located at first rail, and the latch fitting is to lock the barrier structure, to prevent second rail from folding with respect to first rail from this Position is displaced toward the first direction.
11. sliding rail assembly according to claim 10, which is characterized in that also comprising an operating parts to operate the latch fitting, To release locking of the latch fitting to the barrier structure, second rail is enable to be displaced with respect to first rail toward the first direction.
12. sliding rail assembly according to claim 10, which is characterized in that also comprising a support construction there is an elastic part to mention For elastic force to the latch fitting, when second rail is in the stowed position, which responds elastic part offer elastic force and is able to maintain Lock the barrier structure.
13. sliding rail assembly according to claim 10, which is characterized in that the latch fitting is that opposite second rail is pivotally connected.
14. sliding rail assembly according to claim 11, which is characterized in that the latch fitting includes a fisrt feature, the operation Part can be with respect to second rail activity, and the operating parts includes a second feature, and the operating parts is through the second feature and the latch fitting Fisrt feature collocation effect, can be to drive the latch fitting, to release locking of the latch fitting to the barrier structure.
15. sliding rail assembly according to claim 11, which is characterized in that also apply elastic force comprising an at least auxiliary elastic member To the operating parts, it is able to maintain the operating parts in a predetermined operational states.
16. sliding rail assembly according to claim 10, which is characterized in that one of the barrier structure and the latch fitting Comprising a guidance feature, to when second rail is folded with respect to first rail toward the second direction, which penetrates the guiding Feature is readily susceptible to through the barrier structure.
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CN109567447A (en) * 2018-11-09 2019-04-05 合肥全爱家居制造有限公司 It is a kind of with pooling feature can noise reduction sliding rail for drawer
CN112754197B (en) * 2019-11-01 2023-04-25 川湖科技股份有限公司 Sliding rail assembly

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US6497464B1 (en) * 1999-06-22 2002-12-24 Accuride International, Inc. Adjustable detent mechanism for drawer slide
CN101766403A (en) * 2008-12-29 2010-07-07 川湖科技股份有限公司 Automatic return device for slide rail assembly
CN202170702U (en) * 2011-03-30 2012-03-21 詹惇昇 Bidirectional buffer device for sliding door
CN204112975U (en) * 2014-09-26 2015-01-21 苏州升德精密电气有限公司 The regression buffer device of recurrence power can be improved

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US6497464B1 (en) * 1999-06-22 2002-12-24 Accuride International, Inc. Adjustable detent mechanism for drawer slide
CN101766403A (en) * 2008-12-29 2010-07-07 川湖科技股份有限公司 Automatic return device for slide rail assembly
CN202170702U (en) * 2011-03-30 2012-03-21 詹惇昇 Bidirectional buffer device for sliding door
CN204112975U (en) * 2014-09-26 2015-01-21 苏州升德精密电气有限公司 The regression buffer device of recurrence power can be improved

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