CN106793663B - Front end guiding and limiting structure of three-section type sliding rail - Google Patents
Front end guiding and limiting structure of three-section type sliding rail Download PDFInfo
- Publication number
- CN106793663B CN106793663B CN201611148209.8A CN201611148209A CN106793663B CN 106793663 B CN106793663 B CN 106793663B CN 201611148209 A CN201611148209 A CN 201611148209A CN 106793663 B CN106793663 B CN 106793663B
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- Prior art keywords
- slide rail
- bottom plate
- positioning rod
- sliding rail
- limiting
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a front end guiding and limiting structure of a three-section sliding rail, which can solve the problems that the existing three-section sliding rail is easy to be blocked with a middle sliding rail in the process of installing an inner sliding rail into the middle sliding rail and a ball seat is deformed due to impact on the ball seat; the bottom plate at the front end part of the middle slide rail is provided with a positioning structure, a guide limiting part is installed in the positioning structure, the front end face of the guide limiting part is flush with the front end face of the middle slide rail, the left side and the right side of the guide limiting part are provided with symmetrical limiting parts, the outer side faces of the two limiting parts are respectively matched with the inner wall faces of the two side walls of the middle slide rail, and the inner side faces of the two limiting parts are guide faces matched with the two side wall faces of the inner slide rail.
Description
Technical Field
The invention relates to the field of sliding rails, in particular to a front end guiding and limiting structure of a three-section type sliding rail.
Background
Generally, a three-section type slide rail with high bearing capacity is adopted as a slide rail for a drawer type server cabinet, wherein an outer slide rail is fixed on the server cabinet, an inner slide rail is connected to a drawer type cabinet body, and the inner slide rail is connected with the outer slide rail in a sliding manner through a middle slide rail. Generally, the drawer-type cabinet body is directly and fixedly connected with the inner sliding rail when the drawer-type cabinet body is assembled on the server cabinet, but under some special conditions, for example, when a drawer-type cabinet body on the upper layer of the cabinet is assembled on a drawer-type server with large capacity and large specification, a plurality of persons are often required to lift the drawer-type cabinet body to the assembling height and then assemble and fixedly connect the drawer-type cabinet body with the inner sliding rail, so that the assembly difficulty is large, and the assembly efficiency is low; at present, the phenomenon that the inner sliding rail is pulled out from the middle sliding rail and is independently assembled on the drawer type cabinet body, and then the inner sliding rail is inserted into the middle sliding rail to synchronously assemble the drawer type cabinet body and the server cabinet in place also occurs in the field.
Disclosure of Invention
Aiming at the problems, the invention provides a front end guiding and limiting structure of a three-section sliding rail, which can solve the problems that the existing three-section sliding rail is easy to be locked with a middle sliding rail and a ball seat is deformed due to impact on the ball seat in the process of installing an inner sliding rail into the middle sliding rail.
Its technical scheme does, the front end direction limit structure of three section formula slide rails, the three section slide rails include rigid coupling in the outer slide rail of server rack, with interior slide rail and the sliding connection of drawer type cabinet body coupling interior slide rail, the middle slide rail of outer slide rail, middle slide rail includes the bottom plate that extends along outer slide rail length direction, the bilateral symmetry of bottom plate is equipped with the lateral wall that upwards perks, the bottom plate includes central bottom plate and lateral part bottom plate, the both sides of central bottom plate are connected with through the connecting portion symmetry of respectively decurrent bending lateral part bottom plate, its characterized in that: the middle slide rail is characterized in that a positioning structure is arranged on a bottom plate at the front side end part of the middle slide rail, a guide limiting part is installed in the positioning structure, the front side end face of the guide limiting part is flush with the front side end face of the middle slide rail, symmetrical limiting parts are arranged on the left side and the right side of the guide limiting part, the outer side faces of the two limiting parts are respectively matched with the inner wall face of the two side walls of the middle slide rail, and the inner side faces of the two limiting parts are guide faces matched with the inner wall faces of the two side walls of the inner slide rail.
Furthermore, the inner side surfaces of the front end and the rear end of the limiting part are respectively provided with a guide inclined surface which gradually shrinks towards the inner side.
Furthermore, the guide limiting part comprises a front positioning rod and a rear positioning rod which are parallel to each other, and two ends of the front positioning rod and the two ends of the rear positioning rod are respectively connected into a frame-shaped whole through the symmetrical limiting parts.
Furthermore, the positioning structure comprises a concave groove and a hollow groove, the concave groove is arranged at the front end part of the central bottom plate of the middle slide rail, the hollow groove is arranged at the rear end of the concave groove, the concave groove and the two sides of the hollow groove extend to the connecting part, the front positioning rod of the guide limiting part is embedded in the concave groove, the rear positioning rod is embedded in the hollow groove, and the top surfaces of the front positioning rod and the rear positioning rod are jointed and leveled with the top surface of the bottom plate of the middle slide rail.
Furthermore, the thicknesses of the front positioning rod and the rear positioning rod are the same as the thickness of the bottom plate of the middle sliding rail.
Furthermore, the two ends of the bottom surfaces of the front positioning rod and the rear positioning rod are respectively provided with a clamping pin, and the clamping pins are respectively clamped at the connecting parts of the central bottom plate and the bottom plates at the two sides of the middle sliding rail at the two side ends of the concave groove and the hollow groove.
Furthermore, the guide limiting part is a plastic piece formed by injection molding.
The invention has the beneficial effects that: it sets up location structure and sets up the direction locating part through location structure through the bottom plate at middle slide rail, thereby comes on the one hand to carry out effectual guide effect to the inserting of internal slide rail and effectively prevent to collide between internal slide rail and the middle slide rail by the direction locating part, on the other hand plays limiting displacement to the pearl seat that sets up between middle slide rail and internal slide rail, prevents to the impact of pearl seat when internal slide rail inserts fast and causes the deformation of pearl seat, thereby ensures the normal use of slide rail.
Drawings
Fig. 1 is an exploded schematic view of a front end guide limiting structure of a three-section slide rail according to the present invention;
FIG. 2 is an enlarged view of the guiding position-limiting member according to the present invention;
FIG. 3 is a schematic view of FIG. 2 taken along line A;
FIG. 4 is a perspective view of a first viewing direction of the guide stop of the present invention;
FIG. 5 is a second perspective view of the guide stop of the present invention;
FIG. 6 is a schematic cross-sectional view of a middle rail of a three-section rail according to the present invention;
FIG. 7 is a schematic diagram illustrating a state where the inner slide rail is inserted into the middle slide rail with a guiding position-limiting member mounted at the front end thereof;
fig. 8 is a schematic view of the state that the inner slide rail is completely inserted into the middle slide rail with the front end equipped with the guide limiting member.
Reference numerals are as follows: 10-a middle slide rail; 11-a base plate; 111-a central floor; 112-side floor panels; 113-a connecting portion; 12-a side wall; 20-a positioning structure; 21-a concave groove; 22-digging a hollow groove; 30-a guide limit; 31-a limiting part; 311-outer side; 312-medial side; 313-a guide ramp; 32-front positioning rod; 33-rear positioning rods; 34-a clamping pin; 35-clamping feet; 40-inner slide rail.
Detailed Description
Front end direction limit structure of three section formula slide rails, three section slide rails include the outer slide rail of rigid coupling in the server rack, slide rail 40 in interior slide rail and the sliding connection of being connected with the drawer type cabinet body, the middle slide rail 10 of outer slide rail, still be equipped with the pearl seat between interior slide rail 40 and the middle slide rail 10, middle slide rail includes the bottom plate 11 that extends along outer slide rail length direction, the bilateral symmetry of bottom plate 11 is equipped with the lateral wall 12 of perk that makes progress, bottom plate 11 includes central bottom plate 111 and lateral part bottom plate 112, the both sides of central bottom plate 111 have lateral part bottom plate 112 through the connecting portion 113 symmetric connection of downward bending respectively, see fig. 6.
Referring to fig. 1 to 5, a positioning structure 20 is disposed on a bottom plate of a front end of a middle slide rail 10, an integrally injection-molded guide limiting member 30 is mounted in the positioning structure 20, a front end face of the guide limiting member 30 is flush with a front end face of the middle slide rail, symmetrical limiting portions 31 are disposed on left and right sides of the guide limiting member 30, outer side faces 311 of the two limiting portions 31 are respectively matched with inner wall faces of two side walls of the middle slide rail, and inner side faces 312 are guide faces matched with the two side wall faces of the inner slide rail; the inner side surfaces of the front and rear ends of the stopper 31 are provided with guide inclined surfaces 313 tapering inward, and when the rear end of the inner slide rail 40 is inserted into the intermediate slide rail 10, the guide inclined surfaces 313 serve to guide the rear end of the inner slide rail 10.
Referring to fig. 2 to 5, the guide limiting member 30 includes a front positioning rod 32 and a rear positioning rod 33 parallel to each other, and both ends of the front positioning rod 32 and the rear positioning rod 33 are connected to form a frame-shaped whole body by symmetrical limiting portions 31.
Referring to fig. 1, the positioning structure 20 includes a concave groove 21 and a hollow groove 22, the concave groove 21 is opened at the front end of the central bottom plate 111 of the middle slide rail 10, the hollow groove 23 is opened at the rear end of the concave groove 21, both sides of the concave groove 21 and the hollow groove 22 extend to the connecting portion 113, the front positioning rod 32 of the guiding position-limiting member is embedded in the concave groove 21, the rear positioning rod 23 is embedded in the hollow groove 22, and the top surfaces of the front positioning rod 32 and the rear positioning rod 33 are flush with the top surface of the bottom plate of the middle slide rail; the thicknesses of the front positioning rod 32 and the rear positioning rod 33 are the same as the thickness of the bottom plate 11 of the middle slide rail 10; the two ends of the bottom surfaces of the front positioning rod 32 and the rear positioning rod 33 are respectively provided with a clamping pin 34 and a clamping pin 35, and the clamping pins 34 and the clamping pins 35 are respectively clamped at the two side ends of the concave groove 21 and the hollow groove 22 and are positioned at the connecting part 113 of the central bottom plate 111 and the two side bottom plates 112 of the middle slide rail.
When the guide limiting member 30 is assembled to the middle slide rail 10, the front positioning rod 32 is first inserted into the front concave groove 21 of the middle slide rail 10 for positioning, and then the rear positioning rod 33 is inserted into the hollow groove 22 of the middle slide rail 10.
Claims (7)
1. Front end direction limit structure of three section formula slide rails, the three section slide rail includes rigid coupling in the outer slide rail of server rack, with interior slide rail (40) and sliding connection of drawer type cabinet body coupling interior slide rail (40), middle slide rail (10) of outer slide rail, installation during the three section slide rail, interior slide rail (40) are by preceding inserting to the back in middle slide rail (10), middle slide rail (10) are including bottom plate (11) that extend along outer slide rail length direction, the bilateral symmetry of bottom plate (11) is equipped with lateral wall (12) of upwards perk, bottom plate (11) are including central bottom plate (111) and lateral part bottom plate (112), the both sides of central bottom plate (111) are connected with through connecting portion (113) symmetrical connection of decurrent bending respectively lateral part bottom plate (112), its characterized in that: be equipped with location structure (20) on bottom plate (11) of middle slide rail (10) front side tip, install a direction locating part (30) in location structure (20), the preceding side end face of direction locating part (30) with the preceding side end face of middle slide rail (10) flushes, the both sides of direction locating part (30) are equipped with spacing portion (31) of symmetry, two lateral surface (311) of spacing portion (31) cooperate with middle slide rail both sides wall internal face respectively, two medial surface (312) of spacing portion (31) are for the spigot surface with interior slide rail both sides wall face complex.
2. The front end guiding and limiting structure of the three-section sliding rail according to claim 1, characterized in that: the inner side surfaces of the front end and the rear end of the limiting part (31) are respectively provided with a guide inclined surface (313) which gradually shrinks towards the inner side.
3. The front end guiding and limiting structure of the three-section sliding rail according to claim 2, characterized in that: the guide limiting piece (30) comprises a front positioning rod (32) and a rear positioning rod (32) which are parallel to each other, and the two ends of the front positioning rod (32) and the two ends of the rear positioning rod (33) are connected into a frame-shaped whole through symmetrical limiting parts (31).
4. The front end guiding and limiting structure of the three-section sliding rail according to claim 3, wherein: the positioning structure (20) comprises a concave groove (21) and an excavation groove (22), the concave groove (21) is formed in the front end portion of a central bottom plate (111) of the middle sliding rail, the excavation groove (22) is formed in the rear side of the concave groove (21), the concave groove (21) and the two sides of the excavation groove (22) extend to the connecting portion (113), a front positioning rod (31) of the guide limiting piece (30) is embedded in the concave groove (21), a rear positioning rod (32) is embedded in the excavation groove (22), and the top surfaces of the front positioning rod (32) and the rear positioning rod (33) are connected and leveled with the top surface of the bottom plate (11) of the middle sliding rail.
5. The front end guiding and limiting structure of the three-section sliding rail according to claim 4, wherein: the thicknesses of the front positioning rod (32) and the rear positioning rod (33) are the same as the thickness of the bottom plate (11) of the middle sliding rail.
6. The front end guiding and limiting structure of the three-section sliding rail according to claim 4, wherein: the two ends of the bottom surfaces of the front positioning rod (32) and the rear positioning rod (33) are respectively provided with a clamping pin (34, 35), and the clamping pins (34, 35) are respectively clamped at the connecting parts (113) of the central bottom plate and the bottom plates at the two sides of the middle sliding rail at the two side ends of the concave groove (21) and the hollow groove (22).
7. The front end guiding and limiting structure of the three-section sliding rail according to any one of claims 1 to 6, characterized in that: the guide limiting part (30) is an integrally injection-molded plastic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148209.8A CN106793663B (en) | 2016-12-13 | 2016-12-13 | Front end guiding and limiting structure of three-section type sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148209.8A CN106793663B (en) | 2016-12-13 | 2016-12-13 | Front end guiding and limiting structure of three-section type sliding rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106793663A CN106793663A (en) | 2017-05-31 |
| CN106793663B true CN106793663B (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611148209.8A Active CN106793663B (en) | 2016-12-13 | 2016-12-13 | Front end guiding and limiting structure of three-section type sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106793663B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115175511A (en) * | 2022-07-25 | 2022-10-11 | 无锡海达尔精密滑轨股份有限公司 | Server cabinet slide rail |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2428019Y (en) * | 2000-06-23 | 2001-05-02 | 盈达滑轨股份有限公司 | Improved structure of drawer slide rail |
| TW491056U (en) * | 2001-01-08 | 2002-06-11 | Kuo-Chan Weng | Guide structure of extensible rail assembly |
| TW201143575A (en) * | 2010-05-18 | 2011-12-01 | Hon Hai Prec Ind Co Ltd | Silding structure |
-
2016
- 2016-12-13 CN CN201611148209.8A patent/CN106793663B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2428019Y (en) * | 2000-06-23 | 2001-05-02 | 盈达滑轨股份有限公司 | Improved structure of drawer slide rail |
| TW491056U (en) * | 2001-01-08 | 2002-06-11 | Kuo-Chan Weng | Guide structure of extensible rail assembly |
| TW201143575A (en) * | 2010-05-18 | 2011-12-01 | Hon Hai Prec Ind Co Ltd | Silding structure |
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| Publication number | Publication date |
|---|---|
| CN106793663A (en) | 2017-05-31 |
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