CN210247299U - Sliding rail back frame structure - Google Patents
Sliding rail back frame structure Download PDFInfo
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- CN210247299U CN210247299U CN201920836227.8U CN201920836227U CN210247299U CN 210247299 U CN210247299 U CN 210247299U CN 201920836227 U CN201920836227 U CN 201920836227U CN 210247299 U CN210247299 U CN 210247299U
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- sliding rail
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- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model relates to a slide rail back frame structure, which comprises a fixed frame fixedly connected with a slide rail, wherein the side surface of the fixed frame is embedded with a front frame and a rear frame in sequence; the cross sections of the fixed frame, the front frame and the rear frame are all C-shaped or reverse C-shaped structures; two side walls of the front frame are completely contained in the fixed frame, and two side walls of the rear frame are completely contained in the front frame; the end parts of the front frame and the rear frame corresponding to each other are also provided with a first blocking point and a second blocking point which prevent the sliding from exceeding the stroke and falling off; a plurality of friction reducing cushions are also arranged between the two side walls of the fixed frame and the two side walls of the front frame. The utility model discloses well front truck slides for the mount, and the after frame then slides for the front truck, and the front truck is opposite with the after frame direction of motion, greatly increased the overlap area between the support body, improved back of the body frame overall structure intensity, and it is smooth and easy to slide.
Description
Technical Field
The utility model belongs to the technical field of the slide rail application technique and specifically relates to a slide rail back of body frame structure.
Background
The server case can be usually guided into the cabinet through a slide rail and is fixedly installed through a slide rail back frame structure; the back frame structure generally comprises a fixed frame and a sliding frame, the fixed frame is hinged with the sliding rail to realize the installation of the back frame, and the sliding frame can expand the stroke of the sliding rail.
In the prior art, a fixed frame is simultaneously provided with a sliding front frame and a sliding rear frame, two sliding frames respectively slide towards two ends relative to the fixed frame, and when the maximum stroke is reached, the three frame bodies are not overlapped enough, so that the overall structural strength of a back frame is not enough; the front and rear frames sink after bearing gravity, the suspended fixing frame sinks, the front and rear frames form an inverted V shape relative to the fixing frame, two groups of friction pairs are generated when the fixing frame slides relative to the front and rear frames, and the sliding smoothness of the back frame is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The applicant provides a sliding rail back frame structure with a reasonable structure aiming at the defects in the prior art, so that two groups of sliding friction pairs are reduced into one group, and the sliding friction force is reduced; the mutual overlapping part between the support body when having increased and having slided has promoted back of the body frame whole support intensity.
The utility model discloses the technical scheme who adopts as follows:
a sliding rail back frame structure comprises a fixed frame, wherein a front frame is embedded and mounted on the side surface of the fixed frame, a rear frame is embedded and mounted on the side surface of the front frame, and the front frame is located between the fixed frame and the rear frame; the front frame slides along the length direction relative to the fixed frame, the rear frame slides along the length direction relative to the front frame, and the moving directions of the front frame and the rear frame are opposite; the fixed mount is fixedly connected with the slide rail.
As a further improvement of the above technical solution:
the cross sections of the fixed frame, the front frame and the rear frame are all C-shaped, reverse C-shaped or eight-shaped structures.
The end heads of the upper side wall and the lower side wall of the fixed frame and the front frame are respectively folded inwards to form a first flange and a second flange; two side walls of the front frame are completely contained in the fixed frame, and two side walls of the rear frame are completely contained in the front frame.
And flanges III are symmetrically folded and extended on the upper side wall and the lower side wall of the rear frame.
When the rear frame slides to the maximum stroke position relative to the front frame, the end part of the front frame, which is contacted with the rear frame, is respectively and inwardly provided with a first blocking point and a second blocking point so as to avoid the separation caused by the sliding overtravel.
And a plurality of friction reducing cushions are also arranged between the two side walls of the fixed frame and the two side walls of the front frame.
Cylindrical bulges extend from the anti-friction pad, a plurality of holes are formed in two side walls of the fixing frame, and the bulges are clamped into the holes to realize the installation of the anti-friction pad.
The length of the fixing frame is shorter than that of the front frame and the rear frame.
The back of the fixing frame extends to form two rows of symmetrical convex columns which are hinged and fixed with the sliding rail through the convex columns.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, the front frame is arranged between the fixed frame and the rear frame, so that the front frame slides relative to the fixed frame, the rear frame slides relative to the front frame, and the motion directions of the front frame and the rear frame are opposite, thereby reducing the number of friction pairs on the fixed frame, reducing the sliding friction force, increasing the mutual overlapping area between the frame bodies during sliding and improving the supporting strength of the whole structure of the back frame;
the utility model discloses still include following advantage:
due to the arrangement of the third flange on the side wall of the rear frame, the contact area between the third flange and the front frame is greatly increased, and the sliding support is improved, so that the third flange slides more stably;
the arrangement of the first blocking point and the second blocking point avoids the separation of the front frame and the rear frame due to over travel in mutual sliding;
the friction force generated when the front frame slides relative to the fixing frame is further reduced by the arrangement of the plurality of friction reducing pads between the two side walls of the fixing frame and the two side walls of the front frame, so that the sliding is smoother.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic structural diagram (cross-sectional full sectional view) of the present invention.
Fig. 4 is the schematic view of the front frame and the rear frame of the present invention.
Wherein: 1. a fixed mount; 11. a convex column; 12. an aperture; 13. a first flange; 2. a front frame; 21. a first gear point; 22. a second flange; 3. a rear frame; 31. a second gear point; 32. a third flange; 4. a friction reducing pad; 41. and (4) protruding.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, fig. 2 and fig. 3, the sliding rail back frame structure of the present embodiment includes a fixed frame 1, a front frame 2 is embedded in a side surface of the fixed frame 1, a rear frame 3 is embedded in a side surface of the front frame 2, and the front frame 2 is located between the fixed frame 1 and the rear frame 3; the front frame 2 slides along the length direction relative to the fixed frame 1, the rear frame 3 slides along the length direction relative to the front frame 2, and the moving directions of the front frame 2 and the rear frame 3 are opposite, so that the number of friction pairs on the fixed frame 1 is reduced, the overlapping area between frame bodies during sliding is increased, and the overall structural strength of the back frame is further improved; the fixed mount 1 is fixedly connected with the slide rail.
The cross sections of the fixed frame 1, the front frame 2 and the rear frame 3 are all C-shaped, reverse C-shaped or eight-shaped structures.
In the embodiment, the fixing frame is of a C-shaped cross section structure, the mounting directions of the fixing frame 1 and the front frame 2 are the same, and the mounting directions of the front frame 2 and the rear frame 3 are opposite; the ends of the upper side wall and the lower side wall of the fixed frame 1 and the front frame 2 are respectively folded inwards to form a first flange 13 and a second flange 22; two side walls of the front frame 2 are completely contained in the fixed frame 1, and two side walls of the rear frame 3 are completely contained in the front frame 2.
The upper side wall and the lower side wall of the rear frame 3 are symmetrically folded and extended with a third flange 32, so that the contact area between the rear frame 3 and the front frame 2 is greatly increased, and the sliding support is improved, so that the mutual sliding is more stable.
As shown in fig. 4, when the rear frame 3 slides to the maximum stroke position relative to the front frame 2, the end of the front frame 2 contacting the rear frame 3 is provided with a first stop point 21 and a second stop point 31 inwardly, respectively, to avoid disengagement due to over-stroke of sliding.
A plurality of friction reducing pads 4 are further arranged between two side walls of the fixing frame 1 and two side walls of the front frame 2, so that the friction force generated when the front frame 2 slides relative to the fixing frame 1 is further reduced, and the sliding is smoother.
The friction reducing pad 4 is extended with a column-shaped protrusion 41, two side walls of the fixing frame 1 are provided with a plurality of holes 12, and the protrusion 41 is clamped into the holes 12 to realize the installation of the friction reducing pad 4.
The length of the fixing frame 1 is shorter than the lengths of the front frame 2 and the rear frame 3.
The back of the fixing frame 1 extends to form two rows of symmetrical convex columns 11, and is hinged and fixed with the sliding rail through the convex columns 11.
The utility model discloses compact structure, convenient to use has promoted back of the body frame overall structure intensity greatly.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (9)
1. The utility model provides a slide rail back of body frame structure which characterized in that: the device comprises a fixed frame (1), wherein a front frame (2) is embedded in the side surface of the fixed frame (1), a rear frame (3) is embedded in the side surface of the front frame (2), and the front frame (2) is positioned between the fixed frame (1) and the rear frame (3); the front frame (2) slides along the length direction relative to the fixed frame (1), the rear frame (3) slides along the length direction relative to the front frame (2), and the moving directions of the front frame (2) and the rear frame (3) are opposite; the fixed frame (1) is fixedly connected with the slide rail.
2. The sliding rail back frame structure of claim 1, wherein: the cross sections of the fixed frame (1), the front frame (2) and the rear frame (3) are all C-shaped, reverse C-shaped or eight-shaped structures.
3. The sliding rail back frame structure of claim 1 or 2, wherein: the ends of the upper side wall and the lower side wall of the fixed frame (1) and the front frame (2) are respectively folded inwards to form a first flange (13) and a second flange (22); two side walls of the front frame (2) are completely contained in the fixed frame (1), and two side walls of the rear frame (3) are completely contained in the front frame (2).
4. The sliding rail back frame structure of claim 1 or 2, wherein: and flanges III (32) are symmetrically folded and extended on the upper side wall and the lower side wall of the rear frame (3).
5. The sliding rail back frame structure of claim 1, wherein: when the rear frame (3) slides to the maximum stroke position relative to the front frame (2), the end part of the front frame (2) contacted with the rear frame (3) is respectively and inwardly provided with a first stop point (21) and a second stop point (31) so as to avoid disengagement caused by sliding overtravel.
6. The sliding rail back frame structure of claim 1, wherein: and a plurality of friction reducing cushions (4) are also arranged between the two side walls of the fixed frame (1) and the two side walls of the front frame (2).
7. The sliding rail back frame structure of claim 6, wherein: cylindrical protrusions (41) extend from the friction reducing pad (4), a plurality of holes (12) are formed in two side walls of the fixing frame (1), and the protrusions (41) are clamped into the holes (12) to achieve installation of the friction reducing pad (4).
8. The sliding rail back frame structure of claim 1, wherein: the length of the fixed frame (1) is shorter than that of the front frame (2) and the rear frame (3).
9. The sliding rail back frame structure of claim 1, wherein: the back of the fixing frame (1) extends to form two rows of symmetrical convex columns (11) and is hinged and fixed with the sliding rail through the convex columns (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836227.8U CN210247299U (en) | 2019-06-04 | 2019-06-04 | Sliding rail back frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836227.8U CN210247299U (en) | 2019-06-04 | 2019-06-04 | Sliding rail back frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210247299U true CN210247299U (en) | 2020-04-03 |
Family
ID=69974133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920836227.8U Active CN210247299U (en) | 2019-06-04 | 2019-06-04 | Sliding rail back frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210247299U (en) |
-
2019
- 2019-06-04 CN CN201920836227.8U patent/CN210247299U/en active Active
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