Three-section type synchronous drawer sliding rail

Abstract

The utility model discloses a three-section type synchronous drawer sliding rail which comprises a fixed rail, the lower surface of the fixed rail is fixedly connected with a hole plate, the inner wall of the hole plate is movably connected with a screw rod, the outer surface of the screw rod is in threaded connection with a clamping rod, and the lower surface of the fixed rail is provided with a bottom through groove. The drawer sliding rail is fixed through the fixing holes in the fixing plate by using the screws, then the position of the clamping rod is adjusted according to the length of the drawer, the tail of the sliding position of the bottom sliding block is blocked by the clamping rod, and when the clamping rod is adjusted, the rotating handle is pinched by hand to rotate the screw rod, so that the clamping rod moves on the screw rod and moves to the position required by the user. The length of the drawer sliding rail conforms to the extending length of the drawer, the drawer sliding rail and the drawer can be connected together through the fixing grooves by using screws, overall installation is completed, and therefore the length of the drawer sliding rail can be adjusted according to the length of the drawer used by a user.

Description

Technical Field

[0001] The utility model relates to the technical field of drawer slide rails, in particular to a three-section synchronous drawer slide rail. Background Art

[0002] Slide rails, also known as guide rails and slideways, are hardware connection parts fixed to the cabinet of furniture for the movement of drawers or cabinet panels of furniture. Slide rails are suitable for connecting drawers of wooden and steel drawers in cabinets, furniture, document cabinets, bathroom cabinets and other furniture.

[0003] After searching, it was found in the Chinese Public Utility Model Patent Publication No. CN218355203U that a three-section synchronous drawer slide is disclosed, in which a ball connector arranged by a ball roller is movably installed at the right ends of both sides of the middle rail surface, and the upper rail rolls and rubs on the middle rail surface through the ball roller and the ball roller groove, and the arranged ball roller can facilitate the upper rail to slide left and right on the middle rail surface. At the same time, after the upper rail slides to a certain position, after the limit block contacts the surface of the ball connector, the middle rail is synchronously driven to slide left and right on the lower rail surface, and the convex block is movably engaged with the lower rail through the arranged convex block to achieve the effect of synchronous sliding. However, the overall extension length of the above-mentioned slide rail is fixed, and it can only be used for a drawer movement with a fixed length. It cannot be adjusted according to the drawer length used by the user, and cannot be used for drawers of different lengths. The adaptability is poor, and therefore a drawer slide rail with adjustable slide rail length is required to adapt to drawers of different lengths. Utility Model Content

[0004] The main purpose of the utility model is to provide a three-section synchronous drawer slide rail, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A three-section synchronous drawer slide rail comprises a fixed rail, a hole plate is fixedly connected to the lower surface of the fixed rail, a screw is movably connected to the inner wall of the hole plate, a clamping rod is threadedly connected to the outer surface of the screw, a bottom through groove is formed on the lower surface of the fixed rail, a middle rail is movably connected to the inner wall of the fixed rail, and a connecting slide rail is movably connected to the inner wall of the middle rail.

[0007] In order to achieve the effect of conveniently rotating the screw rod, as a three-section synchronous drawer slide rail of the utility model, one end of the screw rod is fixedly connected to a turning handle, and the outer surface of the fixed rail is provided with a front through groove.

[0008] In order to achieve the effect of fixing the drawer slide rail, as a three-section synchronous drawer slide rail of the utility model, the outer surface of the fixed rail is fixedly connected with a fixing plate, and the back side of the fixing plate is provided with a fixing hole.

[0009] In order to facilitate the sliding of the middle rail, as a three-section synchronous drawer slide rail of the utility model, the inner wall of the fixed rail is provided with a lower rail and an upper rail in sequence from bottom to top.

[0010] In order to achieve the effect of facilitating the sliding of the connecting rails, the utility model provides a three-section synchronous drawer slide rail, the lower surface of the middle rail is fixedly connected with a connecting block, the lower surface of the connecting block is fixedly connected with a bottom sliding block, the inner wall of the middle rail is provided with a wheel slide, and the outer surface of the connecting rail is fixedly connected with a pulley.

[0011] In order to achieve the effect of installing a single convex rail, as a three-section synchronous drawer slide rail of the utility model, the outer surface of the middle rail is fixedly connected with an upper convex rail, and the inner wall of the middle rail is provided with a single rail.

[0012] In order to achieve the effect of connecting with the drawer, as a three-section synchronous drawer slide rail of the utility model, the outer surface of the connecting slide rail is fixedly connected with a single convex rail, and the outer surface of the connecting slide rail is provided with a fixing groove.

[0013] In order to achieve the effect of installing a double-threaded barrel, as a three-section synchronous drawer slide rail of the utility model, the outer surface of the bottom sliding block is fixedly connected with a threaded end, the outer surface of the threaded end is threadedly connected with a double-threaded barrel, and the inner wall of the double-threaded barrel is threadedly connected with a double-threaded stud.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The three-section synchronous drawer slide rail is provided with a fixed rail, a perforated plate, a screw, a turning handle, a clamping rod, a bottom through groove, a middle rail and a connecting slide rail. The drawer slide rail is first fixed by screws using the fixing holes on the fixing plate, and then the position of the clamping rod is adjusted according to the length of the drawer, and the clamping rod is used to block the end of the sliding position of the bottom slider. When adjusting the clamping rod, the screw rod is rotated by hand by pinching the turning handle to move the clamping rod on the screw rod. After moving to the required position, the length of the drawer slide rail is made to meet the extended length of the drawer, and the drawer slide rail and the drawer can be connected together using the fixing groove using screws to complete the overall installation. Therefore, the length of the drawer slide rail can be adjusted according to the drawer length used by the user, so that the drawer slide rail is suitable for use with drawers of different lengths, thereby improving the adaptability of the drawer slide rail.

[0016] 2. The three-section synchronous drawer slide is provided with a threaded end, a double-threaded barrel and a double-threaded stud. The two sections of thread on the double-threaded stud are left-hand thread and right-hand thread. A double-threaded barrel is installed on each section of thread. The other end of the double-threaded barrel is connected to the threaded end. In this way, the two bottom sliding blocks can be connected together to strengthen the synchronization relationship between the drawer slides. The distance between the double-threaded studs and the two double-threaded barrels can be adjusted according to the drawer width to adapt to the drawer width. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a three-section synchronous drawer slide rail according to Embodiment 1 of the utility model;

[0018] Figure 2 This is a schematic diagram of the axonometric structure of a three-section synchronous drawer slide rail viewed from above in Example 1 of the utility model;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a three-section synchronous drawer slide rail from the right side of Example 1 of the utility model;

[0020] Figure 4 This is a schematic cross-sectional structural diagram of a three-section synchronous drawer slide rail in front view of Embodiment 1 of the utility model;

[0021] Figure 5 This is a schematic diagram of the axonometric structure of a fixed rail in a three-section synchronous drawer slide rail according to Embodiment 1 of the utility model;

[0022] Figure 6 This is a schematic diagram of the axonometric structure of a middle rail in a three-section synchronous drawer slide rail according to Embodiment 1 of the utility model;

[0023] Figure 7 This is a schematic diagram of the axonometric structure of a connecting slide rail in a three-section synchronous drawer slide rail according to Embodiment 1 of the utility model;

[0024] Figure 8 This is a schematic diagram of the axonometric structure of a double-threaded stud in a three-section synchronous drawer slide rail according to Embodiment 1 of the utility model;

[0025] Fig. 9 This is a schematic diagram of the axonometric structure of a second form of a three-section synchronous drawer slide rail according to Example 1 of the utility model.

[0026] In the figure: 1. fixed rail; 2. perforated plate; 3. screw rod; 4. turning handle; 5. clamping rod; 6. bottom through groove; 7. middle rail; 8. connecting slide rail; 9. fixed plate; 10. fixed hole; 11. front through groove; 12. lower rail; 13. upper rail; 14. connecting block; 15. bottom slider; 16. upper convex rail; 17. roller slide; 18. single rail; 19. single convex rail; 20. pulley; 21. fixed groove; 22. threaded end; 23. double threaded barrel; 24. double threaded stud. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] like Figure 1-9 As shown, a three-section synchronous drawer slide includes a fixed rail 1, a hole plate 2 is fixedly connected to the lower surface of the fixed rail 1, a screw 3 is movably connected to the inner wall of the hole plate 2, a clamping rod 5 is threadedly connected to the outer surface of the screw 3, a bottom through groove 6 is formed on the lower surface of the fixed rail 1, a middle rail 7 is movably connected to the inner wall of the fixed rail 1, and a connecting slide rail 8 is movably connected to the inner wall of the middle rail 7.

[0030] When in use, through the arrangement of the fixed rail 1, the orifice plate 2, the screw rod 3, the turning handle 4, the clamping rod 5, the bottom through groove 6, the middle rail 7 and the connecting slide rail 8, the orifice plate 2 is installed on both sides of the bottom through groove 6 on the fixed rail 1, the screw rod 3 is installed in the orifice plate 2, the end of the screw 3 extending out of the orifice plate 2 is the turning handle 4, the screw 3 is threadedly connected to the clamping rod 5, the top of the clamping rod 5 passes through the bottom through groove 6 and extends into the fixed rail 1. When the drawer slide is used, the drawer slide is first fixed by using screws using the fixing holes 10 on the fixing plate 9, and then the position of the clamping rod 5 is adjusted according to the length of the drawer. For adjustment, the clamping rod 5 is used to block the end of the sliding position of the bottom slider 15. When adjusting the clamping rod 5, the screw rod 3 is rotated by pinching the turning handle 4 to move the clamping rod 5 on the screw rod 3. After moving to the required position, the drawer slide rail length is made to match the extended length of the drawer. The drawer slide rail and the drawer can then be connected together using the screws using the fixing groove 21 to complete the overall installation. The drawer slide rail length can be adjusted according to the drawer length used by the user, so that the drawer slide rail is suitable for use with drawers of different lengths, thereby improving the adaptability of the drawer slide rail.

[0031] In this embodiment, one end of the screw rod 3 is fixedly connected to a turning handle 4 , and a front through groove 11 is formed on the outer surface of the fixed rail 1 .

[0032] During specific use, the screw rod 3 can be easily rotated by setting the turning handle 4.

[0033] In this embodiment, a fixing plate 9 is fixedly connected to the outer surface of the fixing rail 1 , and a fixing hole 10 is formed on the back side of the fixing plate 9 .

[0034] During specific use, the drawer slide rail is fixed by setting the fixing plate 9 and the fixing hole 10.

[0035] In this embodiment, the inner wall of the fixed rail 1 is provided with a lower rail 12 and an upper rail 13 in sequence from bottom to top.

[0036] During specific use, the lower rail 12 and the upper rail 13 are arranged to facilitate the sliding of the middle rail 7 .

[0037] In this embodiment, a connecting block 14 is fixedly connected to the lower surface of the middle rail 7, a bottom slider 15 is fixedly connected to the lower surface of the connecting block 14, a roller slide 17 is provided on the inner wall of the middle rail 7, and a pulley 20 is fixedly connected to the outer surface of the connecting slide rail 8.

[0038] During specific use, the roller slide 17 and the pulley 20 are arranged to facilitate the sliding of the connecting slide rail 8 .

[0039] In this embodiment, an upper protruding rail 16 is fixedly connected to the outer surface of the middle rail 7 , and a single rail 18 is provided on the inner wall of the middle rail 7 .

[0040] During specific use, the single rail 18 is provided to facilitate the insertion of the single convex rail 19 .

[0041] In this embodiment, a single convex rail 19 is fixedly connected to the outer surface of the connecting slide rail 8 , and a fixing groove 21 is formed on the outer surface of the connecting slide rail 8 .

[0042] During specific use, the fixing groove 21 is provided to facilitate the connection between the drawer slide rail and the drawer.

[0043] In this embodiment, a threaded end 22 is fixedly connected to the outer surface of the bottom slider 15 , a double-threaded barrel 23 is threadedly connected to the outer surface of the threaded end 22 , and a double-threaded stud 24 is threadedly connected to the inner wall of the double-threaded barrel 23 .

[0044] When in use, the double-threaded barrel 23 is installed by setting the threaded end 22.

[0045] Working principle: When using the drawer slide, first use screws to fix the drawer slide using the fixing holes 10 on the fixing plate 9, and then adjust the position of the clamping rod 5 according to the length of the drawer, and use the clamping rod 5 to block the end of the sliding position of the bottom slider 15. When adjusting the clamping rod 5, pinch the handle 4 to rotate the screw 3 so that the clamping rod 5 moves on the screw 3. After moving to the required position, the length of the drawer slide is consistent with the extended length of the drawer, and then the drawer slide and the drawer can be connected together using screws using the fixing groove 21 to complete the overall installation.

[0046] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A three-section synchronous drawer slide rail, comprising a fixed rail (1), characterized in that: The lower surface of the fixed rail (1) is fixedly connected to a perforated plate (2), the inner wall of the perforated plate (2) is movably connected to a screw rod (3), the outer surface of the screw rod (3) is threadedly connected to a clamping rod (5), the lower surface of the fixed rail (1) is provided with a bottom through groove (6), the inner wall of the fixed rail (1) is movably connected to a middle rail (7), and the inner wall of the middle rail (7) is movably connected to a connecting slide rail (8).

2. A three-section synchronous drawer slide according to claim 1, characterized in that: One end of the screw rod (3) is fixedly connected to a turning handle (4), and the outer surface of the fixed rail (1) is provided with a front through groove (11).

3. The three-section synchronous drawer slide according to claim 1, characterized in that: A fixing plate (9) is fixedly connected to the outer surface of the fixing rail (1), and a fixing hole (10) is provided on the back side of the fixing plate (9).

4. The three-section synchronous drawer slide according to claim 1, characterized in that: The inner wall of the fixed rail (1) is provided with a lower rail (12) and an upper rail (13) in sequence from bottom to top.

5. The three-section synchronous drawer slide according to claim 1, characterized in that: The lower surface of the middle rail (7) is fixedly connected to a connecting block (14), the lower surface of the connecting block (14) is fixedly connected to a bottom sliding block (15), the inner wall of the middle rail (7) is provided with a wheel slideway (17), and the outer surface of the connecting slide rail (8) is fixedly connected to a pulley (20).

6. The three-section synchronous drawer slide according to claim 1, characterized in that: An upper convex rail (16) is fixedly connected to the outer surface of the middle rail (7), and a single rail (18) is provided on the inner wall of the middle rail (7).

7. The three-section synchronous drawer slide according to claim 1, characterized in that: The outer surface of the connecting slide rail (8) is fixedly connected with a single convex rail (19), and the outer surface of the connecting slide rail (8) is provided with a fixing groove (21).

8. The three-section synchronous drawer slide according to claim 5, characterized in that: The outer surface of the bottom sliding block (15) is fixedly connected with a threaded end (22), the outer surface of the threaded end (22) is threadedly connected with a double-threaded barrel (23), and the inner wall of the double-threaded barrel (23) is threadedly connected with a double-threaded stud (24).

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