CN106852064B - Guide mechanism for inner rail of sliding rail - Google Patents
Guide mechanism for inner rail of sliding rail Download PDFInfo
- Publication number
- CN106852064B CN106852064B CN201710129852.4A CN201710129852A CN106852064B CN 106852064 B CN106852064 B CN 106852064B CN 201710129852 A CN201710129852 A CN 201710129852A CN 106852064 B CN106852064 B CN 106852064B
- Authority
- CN
- China
- Prior art keywords
- rail
- inner rail
- sliding support
- side wall
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
Abstract
The invention provides a guide structure of an inner rail of a sliding rail, which can play a role in guiding when the inner rail moves, prevent the inner rail from being blocked with a middle rail, avoid tilting deformation of the inner rail, and play a role in guiding and resetting a ball retainer.
Description
Technical Field
The invention relates to the field of sliding rails, in particular to a guiding mechanism for an inner rail of a sliding rail.
Background
The sliding rail is used for connecting two components which can move relatively to each other, the sliding rail is widely applied to server erection, at present, the structure of the existing sliding rail is generally formed by connecting an inner rail, a middle rail and an outer rail, the inner rail, the middle rail and the outer rail are coupled with each other by virtue of a ball retainer, the middle rail can linearly displace relative to the outer rail along the axis direction, meanwhile, the inner rail can linearly slide relative to the middle rail along the axis direction, and due to the installation clearance between the inner rail and the middle rail and the ball retainer arranged between the inner rail and the middle rail, the phenomenon of clamping with the middle rail is easy to occur when the inner rail assembled on a drawer type server cabinet is inserted into the middle rail, the rear end of the inner rail is tilted and deformed to cause the damage of the inner rail due to the stress of the inner rail, and the reliability of the sliding rail is influenced. The existing sliding rail is usually provided with a ball retainer with a long length to prevent the rear end from tilting and deforming due to the stress of the inner rail, however, the manufacturing cost of the sliding rail is increased due to the arrangement.
In addition, when the inner rail is linearly displaced relative to the middle rail, the ball retainer is generally relatively moved along with the displacement of the inner rail, however, in actual use, a situation that the ball retainers of the sliding rails on both sides of the server cabinet cannot be synchronously moved after long-term use occurs, the ball retainer of one side sliding rail pushes the ball retainer of the other side sliding rail to move, rolling friction of the ball retainer becomes sliding friction, and the ball retainer fails.
Disclosure of Invention
The invention provides a guide structure of an inner rail of a sliding rail, which can play a guide role when the inner rail moves, prevent the inner rail from being blocked with a middle rail, avoid the tilting deformation of the inner rail, and play a guide reset role on a ball retainer.
The technical scheme is as follows: the utility model provides a guiding mechanism of interior rail of slide rail, includes well rail and interior rail, interior rail through ball holder slidable install in the rail, interior rail's both sides buckle respectively and form interior sliding support portion, interior rail's both sides buckle respectively and form outer sliding support portion, interior sliding support portion with outer sliding support portion respectively include with ball complex arc surface of ball holder, its characterized in that: at least two flanges are respectively arranged on the inner sliding support parts at two sides of the inner rail and far away from the extraction side of the inner rail, the flanges are bent towards the outer sliding support parts so that the flanges can be propped against the ball retainer after moving along the extraction direction of the inner rail, the guide post is located between two adjacent flanges on the same side of the inner rail, and the circumference of the guide post is wrapped in a space surrounded by the inner sliding support part and the arc surface of the outer sliding support part and is matched with the arc surface.
Further, the flanges on two sides of the inner rail are respectively arranged in a one-to-one correspondence manner, and two corresponding flanges arranged on two sides of the inner rail are respectively positioned on the same straight line perpendicular to the length direction of the inner rail.
Further, the outer sliding support part comprises an inner side wall and an outer side wall, the inner side wall and the top of the outer side wall are connected through a top connecting part, the inner side wall is formed by outwards inclining and upwards extending and bending one side end part of a bottom plate of the outer sliding support part connected with two sides, and the outer side wall is bent inwards and attached to the inner side wall.
Further, a central protruding portion is arranged in the middle of the bottom plate.
According to the invention, the flanges are respectively arranged on the inner sliding supporting parts at two sides of the inner rail, the guide posts are respectively matched with the inner sliding supporting parts of the inner rail and the arc surfaces of the outer sliding supporting parts of the middle rail, so that the guide posts can perform a guiding function relative to the linear displacement of the middle rail, the inner sliding supporting parts of the inner rail are limited by the guide posts due to the existence of the guide posts, the situation that the rear end of the inner rail is tilted and deformed due to stress is avoided, the guide posts perform displacement guiding on the inner rail when the inner rail linearly displaces relative to the middle rail, the sliding rail operates more stably, and the reliability of the sliding rail is good.
In addition, the flanges on two sides of the inner rail are respectively arranged in a one-to-one correspondence manner, two corresponding flanges on two sides of the inner rail are respectively positioned on the same straight line perpendicular to the length direction of the inner rail, namely, the positions of the two corresponding flanges on two sides of the inner rail on the inner rail are the same, when the situation that the ball retainers of the sliding rails on two sides of the server cabinet cannot synchronously move occurs, when the inner rail is pulled out relative to the middle rail, along with the pulling out of the inner rail, the flange on the foremost end of the inner rail props against the rear end of the ball retainer to conduct guiding, and the ball retainers which cannot synchronously move are pushed to move, so that the ball retainers are reset.
Drawings
FIG. 1 is a schematic view of an exploded structure of a guide mechanism of an inner rail of a slide rail according to the present invention;
FIG. 2 is a schematic front view of the guide post of the present invention mounted between flanges of an inner rail;
FIG. 3 is a cross-sectional view in the Q-Q direction of FIG. 2;
FIG. 4 is a schematic front view of a portion of the guide mechanism of the inner rail of the slide rail of the present invention;
FIG. 5 is a cross-sectional view in the S-S direction of FIG. 4;
FIG. 6 is a perspective view of a portion of the guide mechanism of the inner rail of the slide rail of the present invention;
fig. 7 is a schematic view of a part of perspective structure of a guiding mechanism of an inner rail of the slide rail of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention relates to a guiding mechanism of an inner rail of a sliding rail, which comprises a middle rail 1 and an inner rail 2, wherein the inner rail 2 is slidably arranged in the middle rail 1 through a ball retainer 3, two sides of the inner rail 2 are respectively bent to form inner sliding supporting parts 21, two sides of the middle rail 1 are respectively bent to form outer sliding supporting parts 11, the inner sliding supporting parts 21 and the outer sliding supporting parts 11 respectively comprise circular arc surfaces 4 matched with balls of the ball retainer 3, two flanges 22 are respectively arranged on the inner sliding supporting parts 21 far from the extraction side of the inner rail 2 and two sides of the inner rail 2, the flanges 22 face the outer sliding supporting parts 11 so that the flanges 22 can abut against the ball retainer 3 after moving along the extraction direction of the inner rail 2, guide posts 5 are arranged between the adjacent flanges 22 on the same side of the inner rail 2, the circumferential surfaces of the guide posts 5 are wrapped in spaces formed by the inner sliding supporting parts 21 and the circular arc surfaces 4 of the outer sliding supporting parts 11 and are matched with the circular arc surfaces 4, two flanges on two sides of the inner rail 2 are respectively arranged in a corresponding manner, and the flanges on two sides of the inner rail 2 are respectively arranged on two sides and correspond to one another in a straight direction and are positioned on the same straight line.
The principle of the guiding mechanism for the inner rail of the slide rail of the present invention is effective is specifically described below: the flanges 22 are respectively arranged on the inner sliding support parts 21 on two sides of the inner rail 2, the guide posts 5 are arranged between the two adjacent flanges 22, the circumferential surfaces of the guide posts 5 are wrapped in the space formed by the inner sliding support parts 21 and the circular arc surfaces 4 of the outer sliding support parts 11 and are matched with the circular arc surfaces 4, when the inner rail is closed relative to the middle rail, the inner sliding support parts 21 of the inner rail 2 are limited by the guide posts 5 due to the existence of the guide posts 5, so that the situation that the rear ends of the inner rail 2 are tilted and deformed due to stress is avoided, the guide posts 5 guide the displacement of the inner rail, and the sliding rail operates more stably and has good reliability;
the flanges 22 on two sides of the inner rail 2 are respectively arranged in a one-to-one correspondence manner, the two corresponding flanges 22 arranged on two sides of the inner rail 2 are respectively positioned on the same straight line perpendicular to the length direction of the inner rail 2, namely, the positions of the two corresponding flanges 22 positioned on two sides of the inner rail 2 on the inner rail 2 are the same, when the situation that the ball retainers 3 of the sliding rails on two sides of the server cabinet cannot synchronously move occurs, when the inner rail 2 is pulled out relative to the middle rail 1, along with the pulling out of the inner rail 2, the flange 22 positioned at the forefront end of the inner rail 2 props against the rear end of the ball retainer 3 to guide, and the ball retainer 3 which cannot synchronously move is pushed to move, so that the ball retainer is reset.
In addition, the outer sliding support portion 11 of the middle rail 1 comprises an inner side wall 111 and an outer side wall 112, the top portions of the inner side wall 111 and the outer side wall 112 are connected through a top connecting portion 113, the inner side wall 111 is formed by outwards inclining and upwards extending and bending one side end portion of a bottom plate 12 of the outer sliding support portion 11 connected with two sides, the outer side wall 112 is inwards bent and is attached to the inner side wall 111, a central protruding portion 121 is arranged in the middle of the bottom plate 12, two side walls of the middle rail 1 are of a double-layer structure of the inner side wall 111 and the outer side wall 112, meanwhile, the top ends of the inner side wall 111 and the outer side wall 112 are connected into a whole through a top connecting portion 113 with a horizontal top surface, and accordingly the bearing area of the two side walls of the middle rail 1 is effectively improved under the condition that the thickness of the middle rail 1 is not increased, and the strength and bearing capacity of the whole sliding rail are greatly improved.
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 (4)
1. The utility model provides a guiding mechanism of interior rail of slide rail, includes well rail (1) and interior rail (2), interior rail (2) through ball holder (3) slidable install in well rail (1), the both sides of interior rail (2) buckle respectively and form interior sliding support portion (21), the both sides of well rail (1) buckle respectively and form outer sliding support portion (11), interior sliding support portion (21) with outer sliding support portion (11) include respectively with ball complex arc surface (4) of ball holder (3), its characterized in that: at least two flanges (22) are respectively arranged on the inner sliding support parts (21) at two sides of the inner rail (2) far away from the extraction side of the inner rail (2), the flanges (22) face the outer sliding support parts (11) to bend so that the flanges (22) can prop against the ball retainer (3) after moving along the extraction direction of the inner rail (2), the guide posts (5) are positioned between the two adjacent flanges (22) at the same side of the inner rail (2), and the circumference of the guide posts (5) is wrapped in a space surrounded by the inner sliding support parts (21) and the arc surfaces (4) of the outer sliding support parts (11) and is matched with the arc surfaces (4); when the inner rail (2) is closed relative to the middle rail (1), the inner sliding support part (21) of the inner rail (2) is limited by the guide post (5) due to the guide post (5), so that the rear end of the inner rail (2) cannot be tilted due to stress.
2. The guide mechanism for an inner rail of a slide rail according to claim 1, wherein: the flanges (22) on two sides of the inner rail (2) are respectively arranged in a one-to-one correspondence manner, and the two corresponding flanges (22) arranged on two sides of the inner rail (2) are respectively positioned on the same straight line perpendicular to the length direction of the inner rail (2).
3. The guide mechanism for an inner rail of a slide rail according to claim 1, wherein: the outer sliding support part (11) comprises an inner side wall (111) and an outer side wall (112), wherein the inner side wall (111) and the top of the outer side wall (112) are connected through a top connecting part (113), the inner side wall (111) is formed by outwards inclining and upwards extending and bending one side end part of a bottom plate (12) of the outer sliding support part (11) connected with two sides, and the outer side wall (112) is inwards bent and attached to the inner side wall (111).
4. A guide mechanism for an inner rail of a slide rail according to claim 3, wherein: the middle of the bottom plate (12) is provided with a central protruding part (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129852.4A CN106852064B (en) | 2017-03-07 | 2017-03-07 | Guide mechanism for inner rail of sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129852.4A CN106852064B (en) | 2017-03-07 | 2017-03-07 | Guide mechanism for inner rail of sliding rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106852064A CN106852064A (en) | 2017-06-13 |
| CN106852064B true CN106852064B (en) | 2023-06-27 |
Family
ID=59138123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129852.4A Active CN106852064B (en) | 2017-03-07 | 2017-03-07 | Guide mechanism for inner rail of sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106852064B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918515B (en) * | 2019-05-09 | 2023-11-28 | 泛亚电子工业(无锡)有限公司 | High-strength intermediate piece structure of sliding rail and processing technology thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588198A (en) * | 1969-08-15 | 1971-06-28 | Lyon Metal Products Inc | Suspension system for filing cabinet |
| CN102448275A (en) * | 2010-10-12 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Sliding rail |
| CN204145956U (en) * | 2014-10-13 | 2015-02-04 | 泛亚电子工业(无锡)有限公司 | A kind of sliding rail structure |
| TW201707615A (en) * | 2015-08-21 | 2017-03-01 | Jochu Technology Co Ltd | Sliding rail synchronous sliding device capable of providing preferred strength and durability by synchronously rotating balls and rollers when an inner rail is sliding relative to an outer rail |
| CN206596319U (en) * | 2017-03-07 | 2017-10-27 | 无锡海达尔精密滑轨股份有限公司 | A kind of guiding mechanism of interior rail for slide rail |
-
2017
- 2017-03-07 CN CN201710129852.4A patent/CN106852064B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106852064A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3360490B1 (en) | Flexible tube | |
| EP2611332B1 (en) | A pull-out guide assembly for a drawer | |
| US8500223B2 (en) | Slide assembly with dual handed ball retainer latch | |
| US20120106880A1 (en) | Slide assembly with quick-mount system | |
| CN102949018B (en) | Slide rail assembly with linkage position structure | |
| US20140167588A1 (en) | Rail | |
| US10221889B2 (en) | Slide rail assembly | |
| CN107752492A (en) | Pull-out type guiding piece | |
| CN106852064B (en) | Guide mechanism for inner rail of sliding rail | |
| EP2308348A2 (en) | Bottom-mounted slide and manufacturing method thereof | |
| CN103277969A (en) | Refrigerator and sliding rail assembly of refrigerator | |
| US20160235199A1 (en) | Slide rail assembly | |
| CN110326913A (en) | A kind of three section interlock slide rail devices of drawer | |
| US6280086B1 (en) | Telescopic rail with stop block | |
| CN105078031A (en) | Integrated optimized structure of drawer of furniture | |
| US9247814B2 (en) | Slide rail assembly | |
| US8371667B2 (en) | Slide rail | |
| CA2248325A1 (en) | Telescopic rail with stop block | |
| US8353563B2 (en) | Roller extraction guide | |
| CN206596319U (en) | A kind of guiding mechanism of interior rail for slide rail | |
| US10888158B1 (en) | Slide rail assembly | |
| JP2015195958A (en) | Stopper member of slide rail and stopper device of slide rail | |
| CN104100817B (en) | Two column mobile television frame | |
| CN106793661B (en) | Rear end guiding and limiting structure of three-section sliding rail | |
| KR100569300B1 (en) | slide rail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |