CN210672684U - Three-section drawer sliding rail assembly - Google Patents
Three-section drawer sliding rail assembly Download PDFInfo
- Publication number
- CN210672684U CN210672684U CN201920646303.9U CN201920646303U CN210672684U CN 210672684 U CN210672684 U CN 210672684U CN 201920646303 U CN201920646303 U CN 201920646303U CN 210672684 U CN210672684 U CN 210672684U
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- China
- Prior art keywords
- rail
- flat plate
- vertical portion
- arc transition
- holder body
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/44—Sequencing or synchronisation of drawer slides or functional units
- A47B88/447—Simultaneous movement of rails within drawer slides, i.e. with a coordination of movement with all rail elements moving at the same time
Abstract
The utility model provides a three-section drawer slide rail assembly, which comprises a movable rail, a middle rail and a fixed rail connected with a cabinet body, wherein the upper end of the movable rail is connected with a side plate and is supported on the middle rail, the middle rail is supported on the fixed rail, the middle rail comprises a second upper flat plate part, two ends of the second upper flat plate part are downwards bent to form a second left vertical part and a second upper right vertical part, the second left vertical part is bent to the right to form a second lower flat plate part, and the second lower flat plate part is bent to the upper right to form a second lower right vertical part; an upper retainer is arranged between the movable rail and the middle rail, and a lower retainer is arranged between the middle rail and the fixed rail. The lower end of the upper retainer is provided with an upper rack facing downwards, the upper end of the lower retainer is provided with a lower rack facing upwards, the middle rail is rotatably connected with a gear, and the upper rack and the lower rack are in meshing transmission with the gear. Through gear drive, when the activity rail slided, slide along fixed rail through gear drive well rail, frictional force is little, has eliminated sliding friction between the slide rail and has produced the noise scheduling problem for well rail slides more smoothly nature.
Description
Technical Field
The utility model belongs to the technical field of the slide rail drawer, a three section drawer slide rail set spare is related to.
Background
When the drawer is applied, most of the drawers are slide rail type drawers so as to ensure that the drawer is stably opened and closed, and the use is convenient. When the drawer uses the slide rail, fix the drawer on the slide rail, the slide rail is installed on the box, realize the pull-out and withdraw the function of drawer. At present, the frequently used slide rails mainly comprise two sections of slide rails and three sections of slide rails, and are installed in household kitchen cabinets, furniture, office tables, drawer type household appliances and other products. Two sections of sliding rail products can not enable the whole drawer to be pulled out, obvious defects exist, the problem can be effectively solved by three sections of sliding rails, the whole drawer can be pulled out integrally, and therefore the drawer is applied more and more widely. Especially in high-grade furniture and electric appliance products, three-section sliding rails are more used to facilitate the storage of articles.
CN03220248.2 discloses a 'heavy-load steel section three-stage ball guide rail', which is composed of an inner rail, a middle rail, an outer rail and balls, wherein the inner rail, the middle rail, the outer rail and the balls are made of drawn steel sections. The outer rail is nested with the middle rail, and the cross section shapes of the middle rail and the outer rail are as follows: at least the upper and lower sections of the middle rail or the outer rail are arc-shaped, the upper and lower inner surfaces of the outer rail and the upper and lower outer surfaces of the middle rail are provided with two semi-arc-shaped slide grooves, rolling balls are arranged in the slide grooves, and the curved surface of the section of the inner rail is matched with the section with the arc-shaped groove of the middle rail and is embedded into the middle rail. The support between the three-section guide rail is realized by a plurality of balls, so that the defects and disadvantages of unsmooth push-pull, large friction noise and unstable operation exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a three section drawer slide rail set spare, it slides along the fixed rail to drive well rail through the gear, and frictional force is little, has eliminated sliding friction between the slide rail and has produced the noise scheduling problem for well rail slides more smoothly naturally.
The purpose of the utility model can be realized by the following technical proposal: a three-section drawer slide rail assembly comprises a movable rail, a middle rail and a fixed rail used for being connected with a cabinet body, wherein the upper end of the movable rail is connected with a side plate and is supported on the middle rail; the middle rail comprises an upper flat plate part II, two ends of the upper flat plate part II are downwards bent to form a left vertical part II and an upper right vertical part II, the left vertical part is downwards bent to the right to form a lower flat plate part II, and the lower flat plate part is upwards bent to form a lower right vertical part II; the fixed rail comprises a supporting end and a connecting end, the supporting end is welded on the connecting end, the supporting end comprises a third lower flat plate part parallel to the first upper flat plate part, the three ends of the third lower flat plate part are vertically bent upwards to form a third left vertical part and a third right vertical part, the three upper ends of the three right vertical parts and the three upper ends of the three left vertical parts all extend inwards to form a fillet, an upper retainer is arranged between the movable rail and the middle rail, and a lower retainer is arranged between the middle rail and the fixed rail.
Furthermore, the lower end of the upper retainer is provided with an upper rack facing downwards, the upper end of the lower retainer is provided with a lower rack facing upwards, the middle rail is rotatably connected with a gear, and the upper rack and the lower rack are in meshing transmission with the gear.
Furthermore, the joint between the second upper flat plate part and the second left vertical part is in concave arc transition, the joint between the second upper flat plate part and the second upper right vertical part is in concave arc transition, the joint between the second lower flat plate part and the second lower right vertical part is in concave arc transition, and the joint between the second lower flat plate part and the second left vertical part is in concave arc transition.
Furthermore, the cross section of the connecting end of the fixed rail is L-shaped, and the lower end faces of the three lower flat plate parts are welded and fixed with the connecting end.
Furthermore, the upper retainer comprises an upper retainer body in a door frame shape, a row of rollers are connected to the upper retainer body, a row of balls are connected to the left side and the right side of the upper retainer body respectively, the rollers are located between the first upper flat plate part and the second upper flat plate part, the balls on the left side of the upper retainer body are located between the circular arc transition of the first left vertical part and the circular arc transition of the second left vertical part, and the balls on the right side of the upper retainer body are located between the circular arc transition of the first right vertical part and the circular arc transition of the second upper right.
Further, the lower retainer comprises a lower retainer body in a door frame shape, a row of rollers are connected to the lower retainer body, a row of balls are connected to the left side and the right side of the lower retainer body respectively, the rollers are located between the second lower flat plate portion and the third lower flat plate portion, the balls on the left side of the lower retainer body are located between a fillet of the third left vertical portion and an arc transition of the second left vertical portion, and the balls on the right side of the lower retainer body are located between a fillet of the third right vertical portion and an arc transition of the second lower right vertical portion.
Compared with the prior art, the three-section drawer sliding rail assembly has the following advantages:
1. through gear drive, when the activity rail slided, slide along fixed rail through gear drive well rail, frictional force is little, has eliminated sliding friction between the slide rail and has produced the noise scheduling problem for well rail slides more smoothly nature.
2. The middle rail is arranged along the central line of the middle rail in a mirror image mode, the supporting ends of the movable rail and the fixed rail are the same in structure and are also arranged along the central line of the middle rail in a mirror image mode, so that the supporting ends of the movable rail and the fixed rail can be used commonly, and extra die processing cost is saved; the upper retainer and the lower retainer are mirror images, so that the upper retainer and the lower retainer can be used universally.
3. The upper retainer is coated on the upper end of the middle rail, the movable rail is coated outside the upper retainer, the lower retainer is coated at the lower end of the middle rail, and the supporting end of the fixed rail is coated outside the lower retainer, so that the stability is high, the sliding is stable, flexible, smooth and easy, and the rocking is not easy.
4. The opening of activity rail is down, and the opening of the support end of fixed rail up has set up well rail between two openings, plays fine dustproof effect, reduces slide rail maintenance frequency, improves life.
Drawings
FIG. 1 is a schematic side view of a three-section drawer slide assembly
FIG. 2 is a schematic perspective view of a three-section drawer slide assembly.
Fig. 3 is an assembly structure schematic diagram of the middle rail, the upper retainer and the lower retainer.
In the figure, 1, a movable rail; 11. a first upper plate portion; 12. a left vertical part I; 13. a right vertical portion one; 2. a middle rail; 21. a second upper plate portion; 22. a second left vertical portion; 23. an upper right vertical part II; 24. a second lower plate portion; 25. a second lower right vertical portion; 3. a fixed rail; 31. a support end; 32. a connecting end; 33. a lower flat plate portion three; 34. a left vertical part III; 35. a third right vertical portion; 4. an upper retainer; 41. an upper frame body; 42. an upper rack; 5. a lower retainer; 51. a lower frame body; 52. a lower rack; 6. a ball bearing; 7. a gear.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the three-section drawer slide assembly includes a movable rail 1, a middle rail 2 and a fixed rail 3 for connecting with the cabinet, the upper end of the movable rail 1 is connected with a side plate and supported on the middle rail 2, and the middle rail 2 is supported on the fixed rail 3.
The movable rail 1 is provided with a horizontal upper flat plate part 11, two ends of the upper flat plate part 11 are downwards and vertically bent to form a left vertical part 12 and a right vertical part 13, and the lower ends of the right vertical part 13 and the left vertical part 12 both extend inwards to form round corners; the middle rail 2 comprises an upper flat plate part two 21, two ends of the upper flat plate part two 21 are bent downwards to form a left vertical part two 22 and an upper right vertical part two 23, the left vertical part two 22 is bent rightwards to form a lower flat plate part two 24, and the lower flat plate part two 24 is bent upwards to form a lower right vertical part two 25.
The fixed rail 3 includes support end 31 and link 32, and support end 31 welds on link 32, and support end 31 includes three 33 of lower flat plate portion parallel with last flat plate portion 11, and three 33 both ends of lower flat plate portion are upwards perpendicularly buckled and are had three 34 of left vertical portion and three 35 of right vertical portion, and the equal inward extension in three 35 upper ends of right vertical portion and three 34 upper ends of left vertical portion has the fillet, be equipped with upper retainer 4 between activity rail 1 and the well rail 2, be equipped with down retainer 5 between well rail 2 and the fixed rail 3.
The lower end of the upper retainer 4 is provided with a downward upper rack 42, the upper end of the lower retainer 5 is provided with an upward lower rack 52, the middle rail 2 is rotatably connected with a gear 7, and both the upper rack 42 and the lower rack 52 are in meshing transmission with the gear 7.
The connecting part between the upper flat plate part II 21 and the left vertical part II 22 is in concave arc transition, the connecting part between the upper flat plate part II 21 and the upper right vertical part II 23 is in concave arc transition, the connecting part between the lower flat plate part II 24 and the lower right vertical part II 25 is in concave arc transition, and the connecting part between the lower flat plate part II 24 and the left vertical part II 22 is in concave arc transition.
The cross section of the connecting end 32 of the fixed rail 3 is L-shaped, and the lower end surface of the lower flat plate part three 33 is welded and fixed with the connecting end 32.
The upper retainer 4 comprises an upper retainer body 41 in a door frame shape, a row of rollers are connected to the upper retainer body 41, a row of balls 6 are connected to the left side and the right side of the upper retainer body 41 respectively, the rollers are located between the first upper flat plate part 11 and the second upper flat plate part 21, the balls 6 on the left side of the upper retainer body 41 are located between the circular arc transition of the first left vertical part 12 and the circular arc transition of the second left vertical part 22, and the balls 6 on the right side of the upper retainer body 41 are located between the circular arc transition of the first right vertical part 13 and the circular arc transition of the second upper.
The lower retainer 5 comprises a lower retainer body 51 in a door frame shape, a row of rollers are connected to the lower retainer body 51, a row of balls 6 are connected to the left side and the right side of the lower retainer body 51 respectively, the rollers are located between the second lower flat plate part 24 and the third lower flat plate part 33, the balls 6 on the left side of the lower retainer body 51 are located between the fillet of the third left vertical part 34 and the circular arc transition of the second left vertical part 22, and the balls 6 on the right side of the lower retainer body 51 are located between the fillet of the third right vertical part 35 and the circular arc transition of the second lower right vertical part 25.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. A three-section drawer slide rail assembly comprises a movable rail, a middle rail and a fixed rail used for being connected with a cabinet body, wherein the upper end of the movable rail is connected with a side plate and is supported on the middle rail; the middle rail comprises an upper flat plate part II, two ends of the upper flat plate part II are downwards bent to form a left vertical part II and an upper right vertical part II, the left vertical part is downwards bent to the right to form a lower flat plate part II, and the lower flat plate part is upwards bent to form a lower right vertical part II; the fixed rail includes support end and link, and the welding of support end is on the link, and the support end includes the lower flat plate portion three parallel with last flat plate portion, and three both ends of lower flat plate portion are upwards buckled perpendicularly and are had vertical portion three in a left side and vertical portion three in the right side, and three upper ends in vertical portion in the right side and three upper ends in the vertical portion in the left side all inwards extend and have the fillet, be equipped with the holder between activity rail and the well rail, be equipped with down the holder between well rail and the fixed rail, the lower extreme of going up the holder has the last rack down, and the upper end of lower holder has the lower rack up, rotate on the well rail and be connected with a gear, go up rack and lower rack all with gear engagement transmission.
2. The three-section drawer-slide assembly of claim 1, wherein the junction between the second upper flat plate portion and the second left vertical portion is an inwardly concave arc transition, the junction between the second upper flat plate portion and the second upper right vertical portion is an inwardly concave arc transition, the junction between the second lower flat plate portion and the second lower right vertical portion is an inwardly concave arc transition, and the junction between the second lower flat plate portion and the second left vertical portion is an inwardly concave arc transition.
3. A three-section drawer-slide assembly according to claim 2, wherein the cross-section of the connecting end of the fixed rail is L-shaped, and the three lower end surfaces of the lower flat plate part are welded and fixed with the connecting end.
4. The three-section drawer slide rail assembly according to claim 3, wherein the upper holder comprises an upper holder body in a shape of a door frame, a row of rollers are connected to the upper holder body, a row of balls are respectively connected to the left side and the right side of the upper holder body, the rollers are located between the first upper flat plate portion and the second upper flat plate portion, the balls on the left side of the upper holder body are located between the circular arc transition of the first left vertical portion and the circular arc transition of the second left vertical portion, and the balls on the right side of the upper holder body are located between the circular arc transition of the first right vertical portion and the circular arc transition of the second upper.
5. The three-section drawer slide assembly according to claim 4, wherein the lower holder comprises a door frame-shaped lower holder body, a row of rollers are connected to the lower holder body, a row of balls are connected to the left side and the right side of the lower holder body respectively, the rollers are located between the second lower flat plate portion and the third lower flat plate portion, the balls on the left side of the lower holder body are located between the fillet of the third left vertical portion and the circular arc transition of the second left vertical portion, and the balls on the right side of the lower holder body are located between the fillet of the third right vertical portion and the circular arc transition of the second lower right vertical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646303.9U CN210672684U (en) | 2019-05-07 | 2019-05-07 | Three-section drawer sliding rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646303.9U CN210672684U (en) | 2019-05-07 | 2019-05-07 | Three-section drawer sliding rail assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210672684U true CN210672684U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920646303.9U Active CN210672684U (en) | 2019-05-07 | 2019-05-07 | Three-section drawer sliding rail assembly |
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| Country | Link |
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| CN (1) | CN210672684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210153868A (en) * | 2020-06-11 | 2021-12-20 | (주)세고스 | Slide apparatus |
| WO2022041560A1 (en) * | 2020-08-25 | 2022-03-03 | 东莞市帝格五金制品有限公司 | Sliding rail assembly and cabinet comprising same |
| WO2023286888A1 (en) * | 2021-07-15 | 2023-01-19 | (주)세고스 | Slide device |
-
2019
- 2019-05-07 CN CN201920646303.9U patent/CN210672684U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210153868A (en) * | 2020-06-11 | 2021-12-20 | (주)세고스 | Slide apparatus |
| KR102428922B1 (en) * | 2020-06-11 | 2022-08-04 | (주)세고스 | Slide apparatus |
| WO2022041560A1 (en) * | 2020-08-25 | 2022-03-03 | 东莞市帝格五金制品有限公司 | Sliding rail assembly and cabinet comprising same |
| EP3981291A4 (en) * | 2020-08-25 | 2022-04-13 | Dongguan Dige Hardware Products Co., Ltd. | Sliding rail assembly and cabinet comprising same |
| WO2023286888A1 (en) * | 2021-07-15 | 2023-01-19 | (주)세고스 | Slide device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |