CN216534504U - Three-section heavy-load telescopic sliding rail with reinforced external limiting block - Google Patents
Three-section heavy-load telescopic sliding rail with reinforced external limiting block Download PDFInfo
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- CN216534504U CN216534504U CN202123046391.5U CN202123046391U CN216534504U CN 216534504 U CN216534504 U CN 216534504U CN 202123046391 U CN202123046391 U CN 202123046391U CN 216534504 U CN216534504 U CN 216534504U
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Abstract
The utility model relates to a three-section heavy-load telescopic sliding rail with reinforced external limiting blocks, which comprises an S-shaped connecting piece, wherein two groove bottom surfaces of the S-shaped connecting piece are respectively provided with a solid sliding block, each solid sliding block is externally provided with a C-shaped rail, a retainer is arranged between the C-shaped rail and the solid sliding block, balls are embedded at two sides of the retainer, the outer walls at two sides of the solid sliding blocks and the inner walls at two sides of the C-shaped rail respectively form a cylindrical runway, the balls roll in the cylindrical runway, two rail limiting blocks are respectively arranged at two ends of the top surface of the upper C-shaped rail, two rail limiting blocks are respectively arranged at two ends of the bottom surface of the lower C-shaped rail, the inner side of the top of the upper groove of the S-shaped connecting piece is provided with an upper reinforced external limiting block, and the inner side of the bottom of the lower groove of the S-shaped connecting piece is provided with two lower reinforced external limiting blocks. The utility model can bear larger impact load, effectively protect the inner limiting block from being damaged, improve the safety factor of the sliding rail and prolong the service life.
Description
Technical Field
The utility model relates to a sliding rail, in particular to a three-section heavy-load telescopic sliding rail with a reinforced external limiting block.
Background
The telescopic sliding rail is also called a drawer sliding rail and a drawer guide rail, and refers to a metal rail with one end installed on a fixed surface and the other end installed on a drawer type structural component needing to horizontally move, so as to achieve sliding guide and bear load. The device is generally composed of an inner side fixed rail and an outer side fixed rail which are formed by bending thin steel plates with small thickness, a metal or nonmetal ball retainer, metal balls, a plastic anti-falling limiting device, a damping device and the like. The drawer is widely applied to the drawing-out and withdrawing parts of wooden and steel drawers or cabinet plates of furniture, office tables, document cabinets and the like.
The slide rail has the following defects due to the limitation of the characteristics of raw materials and the production and processing technology:
a. the steel plates for manufacturing the inner and outer fixed rails are small in thickness, poor in rigidity and low in load capacity, cannot bear axial (horizontal) loads, and can generate large swinging amount due to axial impact force when being completely stretched, so that the rail structure is easy to deform and damage, and the stability and reliability of the whole drawer system are affected.
b. Because of the thickness of the inner and outer fixed rails, in the case of larger load bearing, the requirement can only be met by increasing the section of the rail, which results in that the installation size of the rail becomes larger, and thus more installation space is required.
c. Also, the raceway surface (rolling contact surface of the ball) cannot be hardened due to the thickness of the inner and outer fixed rails, which results in low hardness of the raceway surface and poor wear resistance, and local deformation when subjected to a large external force, thereby reducing the safety factor and the service life of the entire slide rail.
d. The non-metallic retainer cannot bear large external force and frequent operation due to the material of the retainer, and is easy to deform and damage in a high-temperature environment.
e. The common limiting blocks are basically arranged on the tracks and the sliding blocks, and due to the limitation of size and installation space, the size of the limiting blocks is generally smaller than 4 multiplied by 4mm, the thickness of the limiting blocks is smaller than 3mm, and the borne impact load is limited. When the slide rail bears a large load and runs at a high speed, a large impact force is generated on the limiting block, an external protection device needs to be added to protect the limiting block, otherwise, the limiting block is easily impacted, deformation and damage are generated, and potential safety hazards are caused.
In conclusion, the drawer-type slide rail can only be used for wooden and steel drawer structures of civil furniture products with lower loads and lower technical requirements, such as furniture, office tables, document cabinets and the like. With the development of mechanical technology, the automation degree is deepened, and industries such as rail transit, intelligent logistics, medical instruments, industrial automation, special vehicles and the like also increasingly use mechanical structures similar to drawer type to realize various functions. The specifications and standards of the industries are more strict, common products cannot meet the requirements, and a more firm, safe and reliable sliding rail is urgently needed to meet the requirements of the industries.
Disclosure of Invention
The utility model provides a three-section heavy-load telescopic sliding rail with a reinforced external limiting block, aiming at solving the technical problems of compact structure, smooth sliding, high load capacity, low tail end deformation, high safety factor and long service life.
In order to achieve the purpose, the utility model discloses a three-section heavy-load telescopic sliding rail with reinforced external limiting blocks, which comprises an S-shaped connecting piece, wherein two groove bottom surfaces of the S-shaped connecting piece are respectively provided with a solid sliding block, a C-shaped rail is arranged outside each solid sliding block, a retainer is arranged between each C-shaped rail and each solid sliding block, balls are embedded at two sides of the retainer, the outer walls at two sides of each solid sliding block and the inner walls at two sides of each C-shaped rail respectively form a cylindrical runway, the balls roll in the cylindrical runways, two rail limiting blocks are respectively arranged at two ends of the top surface of the upper C-shaped rail, two rail limiting blocks are respectively arranged at two ends of the bottom surface of the lower C-shaped rail, the inner side of the top of the upper groove of the S-shaped connecting piece is provided with an upper reinforced external limiting block, and the inner side of the bottom of the lower groove of the S-shaped connecting piece is provided with two lower reinforced external limiting blocks; the length of the end part of the upper reinforced external limiting block, which is far away from the C-shaped rail extending end, is the same as that of the rail limiting block, the length of the upper reinforced external limiting block is 2-3 times of that of the rail limiting block, the two lower reinforced external limiting blocks are arranged adjacently, the length of the end part of the outer lower reinforced external limiting block, which is far away from the C-shaped rail extending end, is the same as that of the rail limiting block, and the length of the lower reinforced external limiting block is the same as that of the rail limiting block.
The two ends of the bottom surface of the C-shaped rail above the upper part are respectively provided with a rail limiting mounting hole, and the two ends of the top surface of the C-shaped rail below the lower part are respectively provided with a rail limiting mounting hole.
And two ends of the inner wall of the bottom surface of the C-shaped track groove are respectively provided with an inner limiting block.
The solid slider on be equipped with slider screw thread mounting hole, be equipped with the slider stopper on the end top surface that stretches out of solid slider.
The tail end of the bottom surface of the groove of the S-shaped connecting piece is provided with an installation through hole, and the bottom surface of the groove of the S-shaped connecting piece is provided with a countersunk head fixing hole.
The size of the track limiting block and the lower reinforcing outer limiting block is 20 x 10mm, and the thickness of the track limiting block and the lower reinforcing outer limiting block is larger than 10 mm.
The size of the upper reinforcing outer limiting block is 40 x 10mm, and the thickness of the upper reinforcing outer limiting block is larger than 10 mm.
The upper reinforced external limiting block is fixed by screws through the upper reinforced external limiting block mounting hole at the top of the upper groove of the S-shaped connecting piece.
The lower reinforcing external limiting block is fixed by screws through a lower reinforcing external limiting block mounting hole at the bottom of the lower groove of the S-shaped connecting piece.
And a track countersunk head mounting hole is formed in the bottom surface of the C-shaped track groove.
The utility model has the advantages and effects that: through the size and the intensity of reinforcing track stopper and outside stopper, make it can bear bigger impact load, effectively protect inside stopper not receive the damage, the factor of safety of the slide rail of improvement, increase of service life.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the C-shaped track of the present invention.
FIG. 4 is a schematic view of the solid slider structure of the present invention.
Fig. 5 is a schematic view of the structure of the S-shaped connector of the present invention.
Fig. 6 is a schematic view of the cage structure of the present invention.
In the figure: 1. a C-shaped track; 2. a rail stopper; 3. a solid slider; 4. an upper reinforcing external limiting block; 5. a holder; 6. a ball bearing; 7. an S-shaped connecting piece; 8. a lower reinforcing external limiting block; 9. a track limiting mounting hole; 10. an inner stop block; 11. a slider thread mounting hole; 12. a slider stopper; 13. mounting a through hole; 14. countersunk fixing holes; 15. an upper reinforcing external limiting block mounting hole; 16. a track countersunk mounting hole; 17. strengthen outside stopper mounting hole down.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figures, the three-section heavy-load telescopic sliding rail with the reinforced external limiting block comprises an S-shaped connecting piece 7, wherein two groove bottom surfaces of the S-shaped connecting piece 7 are respectively provided with a solid sliding block 3, each solid sliding block 3 is externally provided with a C-shaped rail 1, a retainer 5 is arranged between the C-shaped rail 1 and the solid sliding block 3, rolling balls 6 are embedded at two sides of the retainer 5, the outer walls at two sides of the solid sliding blocks 3 and the inner walls at two sides of the C-shaped rail 1 respectively form cylindrical runways, the rolling balls 6 roll in the cylindrical runways, two rail limiting blocks 2 are respectively arranged at two ends of the top surface of the upper C-shaped rail 1, two rail limiting blocks 2 are respectively arranged at two ends of the bottom surface of the lower C-shaped rail 1, an upper reinforced external limiting block 4 is arranged at the inner side of the top of an upper groove of the S-shaped connecting piece 7, the upper reinforced external limiting block 4 is fixed by screws through an upper reinforced external limiting block mounting hole 15 at the top of the S-shaped connecting piece 7, the number of the upper reinforced external limiting block mounting holes 15 is 6; two lower reinforcing external limiting blocks 8 are arranged on the inner side of the bottom of the lower groove of the S-shaped connecting piece 7, and each lower reinforcing external limiting block 8 is fixed by screws through a lower reinforcing external limiting block mounting hole 17 at the bottom of the lower groove of the S-shaped connecting piece 7; go up and strengthen 4 tip of outside stopper and stretch out the tip length of end and the length of track stopper 2 the same apart from C type track 1, go up the length of strengthening outside stopper 4 and be 2-3 times of 2 length of track stopper, strengthen outside stopper 8 adjacent settings down for two, the tip length that the outside 8 tip of strengthening outside stopper and stretch out the end apart from C type track 1 down in the outside is the same with the length of track stopper 2, strengthen outside stopper 8's length and track stopper 2 length down the same.
The two ends of the bottom surface of the upper C-shaped track 1 are respectively provided with a track limiting mounting hole 9, and the two ends of the top surface of the lower C-shaped track are respectively provided with a track limiting mounting hole 9.
And two ends of the inner wall of the bottom surface of the groove of the C-shaped track 1 are respectively provided with an inner limiting block 10.
The solid slider 3 is provided with a slider thread mounting hole 11, and the top surface of the extending end of the solid slider 3 is provided with a slider limiting block 12.
The tail end of the bottom surface of the groove of the S-shaped connecting piece 7 is provided with a mounting through hole 13, and the bottom surface of the groove of the S-shaped connecting piece is provided with a countersunk head fixing hole 14.
The size of the track limiting block 2 and the lower reinforcing outer limiting block 8 is 20 x 10mm, and the thickness is larger than 10 mm.
The size of the upper reinforcing outer limiting block 4 is 40 x 10mm, and the thickness is larger than 10 mm.
And a track countersunk head mounting hole 16 is formed in the bottom surface of the groove of the C-shaped track 1.
According to the utility model, the track limiting block 2, the upper reinforcing external limiting block 4 and the lower reinforcing external limiting block 8 are used for bearing better impact force, so that the internal limiting block is effectively protected from being damaged, the safety factor of the sliding rail is improved, and the service life is prolonged.
Claims (10)
1. A three-section heavy-load telescopic slide rail with reinforced external limit blocks is characterized by comprising an S-shaped connecting piece, wherein two groove bottom surfaces of the S-shaped connecting piece are respectively provided with a solid slide block, each solid slide block is externally provided with a C-shaped track, a retainer is arranged between the C-shaped track and the solid slide block, balls are embedded at two sides of the retainer, the outer walls at two sides of the solid slide blocks and the inner walls at two sides of the C-shaped track respectively form a cylindrical runway, the balls roll in the cylindrical runway, two track limit blocks are respectively arranged at two ends of the top surface of the C-shaped track at the upper part, two track limit blocks are respectively arranged at two ends of the bottom surface of the C-shaped track at the lower part, an upper reinforced external limit block is arranged at the inner side of the top part of an upper groove of the S-shaped connecting piece, and two lower reinforced external limit blocks are arranged at the inner side of the bottom part of a lower groove of the S-shaped connecting piece; the length of the end part of the upper reinforced external limiting block, which is far away from the C-shaped rail extending end, is the same as that of the rail limiting block, the length of the upper reinforced external limiting block is 2-3 times of that of the rail limiting block, the two lower reinforced external limiting blocks are arranged adjacently, the length of the end part of the outer lower reinforced external limiting block, which is far away from the C-shaped rail extending end, is the same as that of the rail limiting block, and the length of the lower reinforced external limiting block is the same as that of the rail limiting block.
2. The three-section heavy-load telescopic sliding rail with the reinforced external limiting block according to claim 1, wherein two ends of the bottom surface of the upper C-shaped rail are respectively provided with a rail limiting mounting hole, and two ends of the top surface of the lower C-shaped rail are respectively provided with a rail limiting mounting hole.
3. The three-section heavy-duty telescopic sliding rail with the reinforced external stopper according to claim 2, wherein the inner stoppers are respectively disposed at two ends of the inner wall of the bottom surface of the groove of the C-shaped rail.
4. The three-section heavy-load telescopic sliding rail with the reinforced external limiting block according to claim 1, wherein the solid sliding block is provided with a sliding block threaded mounting hole, and the top surface of the extending end of the solid sliding block is provided with a sliding block limiting block.
5. The three-section heavy-duty telescopic sliding rail with the reinforced external limiting block of claim 1, wherein the bottom of the groove of the S-shaped connecting member has a mounting through hole at its end, and the bottom of the groove of the S-shaped connecting member has a countersunk fixing hole.
6. The three-section heavy-duty telescopic rail with the reinforced outer stopper of claim 1, wherein the rail stopper and the lower reinforced outer stopper have a size of 20 x 10mm and a thickness of more than 10 mm.
7. The three-section heavy-duty telescopic rail with the reinforced outer stopper of claim 1, wherein the upper reinforced outer stopper has a size of 40 x 10mm and a thickness greater than 10 mm.
8. The three-section heavy-duty telescopic sliding rail with the reinforced external limiting block of claim 1, wherein the upper reinforced external limiting block is fixed by screws through an upper reinforced external limiting block mounting hole at the top of the upper groove of the S-shaped connecting member.
9. The three-section heavy-duty telescopic sliding rail with the reinforced outer limit blocks according to claim 1, wherein the lower reinforced outer limit block is fixed by screws through a lower reinforced outer limit block mounting hole at the bottom of the lower groove of the S-shaped connecting member.
10. The three-section heavy-duty telescopic sliding rail with the reinforced external limiting block of claim 1, wherein the C-shaped rail groove is provided with a rail countersunk head mounting hole on the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046391.5U CN216534504U (en) | 2021-12-07 | 2021-12-07 | Three-section heavy-load telescopic sliding rail with reinforced external limiting block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046391.5U CN216534504U (en) | 2021-12-07 | 2021-12-07 | Three-section heavy-load telescopic sliding rail with reinforced external limiting block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216534504U true CN216534504U (en) | 2022-05-17 |
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ID=81539734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123046391.5U Active CN216534504U (en) | 2021-12-07 | 2021-12-07 | Three-section heavy-load telescopic sliding rail with reinforced external limiting block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216534504U (en) |
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2021
- 2021-12-07 CN CN202123046391.5U patent/CN216534504U/en active Active
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