Slide rail anti-separation deformation structure and slide rail assembly with slide rail anti-separation deformation structure

Abstract

The utility model discloses a slide rail anti-pulling deformation structure and a slide rail assembly with the structure, the slide rail anti-pulling deformation structure comprises a lower rail and an upper rail capable of sliding relative to the lower rail, both sides of the upper end of the lower rail are provided with inward turning structures, the upper rail is provided with a strip-shaped through groove penetrating along the length direction of the upper rail, the lower end of the strip-shaped through groove is open, and the lower end of the strip-shaped through groove is open. The positions, corresponding to the two sides of the lower end of the strip-shaped through groove, of the upper rail are each provided with an outward-turning structure, the upper portions of the outward-turning structures are enclosed in the inward-turning structures, and a supporting frame is further arranged in the strip-shaped through groove and used for limiting the outward-turning structures on the two sides from deforming towards the middle area of the upper rail. The utility model has the beneficial effects that the outward turning structure can be effectively prevented from deforming inwards through the arranged support frame, so that the phenomenon that the upper rail and the lower rail are separated from each other is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat slide rails, in particular to a slide rail anti-slippage deformation structure and a slide rail assembly with the structure. Background Art

[0002] As people pay more and more attention to the riding space of cars, slide rails are installed at the bottom of car seats to facilitate passengers to adjust, and the travel of the slide rails is getting longer and longer.

[0003] For slide rails with long strokes, screw drive is generally used, that is, a screw is arranged between the upper and lower rails, a gear box is installed on the top of the upper rail, the gear box is meshed with the screw, and a drive motor is installed at the far end of the gear box. The drive motor drives the gear box to rotate to realize the sliding of the upper rail relative to the lower rail. Since the slide rail will inevitably shake during the sliding process, and the screw is long and its own structural stability is poor, the screw will deform over time, thereby affecting the normal adjustment of the seat.

[0004] In addition, in the prior art, the upper rail is provided with an outward-turning structure, and the lower rail is provided with an inward-turning structure. The purpose of longitudinal locking is achieved through the cooperation between the outward-turning structure and the inward-turning structure to prevent the upper and lower slide rails from being pulled apart and causing personal injury. However, when encountering some severe collisions, external forces can force the outward-turning structure of the upper rail to be squeezed inward, thereby making the locking structure between the upper and lower rails invalid, posing a huge safety hazard. Utility Model Content

[0005] In view of this, one of the purposes of the present invention is to provide a slide rail anti-slipping deformation structure, aiming to effectively prevent the slide rail from slipping off.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A slide rail anti-slip deformation structure comprises a lower rail and an upper rail that can slide relative to the lower rail, wherein both sides of the upper end of the lower rail are provided with inward-turning structures, the upper rail has a strip through groove penetrating along its length direction, the lower end of the strip through groove is open, and the upper rail is provided with outward-turning structures at positions on both sides of the lower end of the corresponding strip through groove, and the upper part of the outward-turning structure is enclosed in the inward-turning structure, characterized in that a support frame is fixedly installed in the strip through groove, and the support frame is used to limit the outward-turning structures on both sides from deforming toward the middle area of ​​the upper rail.

[0008] With the above structure, the support frame effectively restrains the inward contraction of the outward-turned structure, thereby effectively avoiding the separation of the upper and lower rails.

[0009] As a preference: both ends of the support frame abut against the side walls of the strip-shaped through slot. The above structure can effectively prevent the outward-turned structure from shrinking inward.

[0010] Preferably, a rubber block is provided inside the support frame, a through hole is provided on the rubber block, and a mounting hole is provided on the support frame corresponding to the through hole, and the through hole and the mounting hole are both used to pass the screw rod. With the above structure, the vibration of the screw rod can be effectively reduced by the rubber block, thereby preventing the screw rod from being deformed.

[0011] As a preference: the strip-shaped through slot is provided with two support frames, and the two support frames are distributed at the front and rear ends of the upper rail. With the above structure, the overall structure of the upper rail can be made more stable and less prone to deformation.

[0012] Preferably, the front and rear ends of the top of the support frame are both extended with hanging ears, the hanging ears are provided with threaded holes, and rivets are inserted into the threaded holes to fix the support frame to the upper rail. With the above structure, the support frame can be fixedly installed.

[0013] As a preferred embodiment: a limiting protrusion is provided at the bottom of the rubber block, and a positioning hole is provided at the bottom of the support frame corresponding to the limiting protrusion, and the limiting protrusion can be inserted into the positioning hole. With the above structure, the rubber block can be fixedly installed.

[0014] Preferably, the diameter of the mounting hole is larger than the diameter of the through hole. The above structure can effectively prevent the screw rod from shaking and touching the support frame, thereby ensuring that the screw rod is not easily worn.

[0015] As a preferred embodiment, the surface of the rubber block is provided with a strip groove along the length direction of the screw rod, and the interior of the rubber block is provided with a strip hole along the length direction of the screw rod. The above structure ensures the deformation space of the rubber block, thereby ensuring the shock absorption capacity of the rubber block.

[0016] The second purpose of the utility model is to provide a slide rail assembly:

[0017] A slide rail assembly, characterized in that it includes a slide rail anti-slip deformation structure, a screw rod is provided between the lower rail and the upper rail, the front and rear ends of the screw rod are fixedly mounted on the lower rail through mounting brackets, a gear box is sleeved on the screw rod, the gear box is fixedly mounted in the middle of the lower end of the upper rail, a drive motor is provided on the top of the upper rail, and the drive motor is used to drive the gear box to rotate.

[0018] Preferably, a slider is provided between the outward-turned structure and the lower rail, the lower part of the outward-turned structure is fixedly supported on the slider, and the slider can slide freely relative to the lower rail; an elastic element is provided on the slider, and the force exerted by the elastic element can make the slider tightly installed between the outward-turned structure and the inner side of the lower rail. With the above structure, the upper rail and the lower rail can be stably supported together.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The slide rail anti-slipping deformation structure and the slide rail assembly with the structure provided by the utility model can effectively prevent the upper and lower rails from being slid apart due to the inward squeezing of the outward-turned structures on both sides of the upper rail by arranging a support frame in the strip-shaped through groove.

[0021] 2. The rubber block installed inside the support frame can help limit the straightness of the screw rod, reduce vibration, prevent the screw rod from deformation, and thus ensure the service life of the screw rod.

[0022] 3. The entire slide rail anti-slip deformation structure only includes a support frame and a rubber block embedded in the support frame, which is simple and reliable and greatly reduces the process difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of the slide rail assembly;

[0024] Figure 2 A structural schematic diagram of the layout position of the slide rail anti-slip deformation structure;

[0025] Figure 3 A structural schematic diagram showing the size relationship between the mounting hole 3a and the through hole 4a;

[0026] Figure 4 A cross-sectional schematic diagram showing the assembly relationship between the support frame 3 and the rubber block 4;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the support frame 3;

[0028] Figure 6 A structural schematic diagram showing the assembly relationship between the support frame 3 and the rubber block 4;

[0029] Figure 7 is a schematic diagram of the three-dimensional structure of the rubber block 4;

[0030] Figure 8 It is a three-dimensional structural schematic diagram showing the assembly relationship between the slider 10 and the elastic element 11. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with embodiments and drawings.

[0032] Embodiment 1:

[0033] like Figure 1 and Figure 3As shown, a slide rail anti-slip deformation structure includes a lower rail 1 and an upper rail 2 that can slide relative to the lower rail 1. Inwardly folded inward structures 1a are formed on the left and right sides of the upper end of the lower rail 1. The upper rail 2 has a strip-shaped through groove 2b that runs through it, and the lower end of the strip-shaped through groove 2b is open. The upper rail 2 is provided with outward-turning structures 2a at positions on both sides of the lower end of the corresponding strip-shaped through groove 2b, and the upper part of the outward-turning structure 2a is surrounded by the inward-turning structure 1a so that there will be no longitudinal disengagement between the upper rail 2 and the lower rail 1. A support frame 3 is fixedly installed in the strip-shaped through groove 2b, and the support frame 3 is used to limit the deformation of the outward-turning structures 2a on both sides toward the middle area of ​​the upper rail 2.

[0034] With such a design, the installed support frame 3 effectively prevents the outward-turning structure 2 a from folding inward, thereby ensuring that the upper rail 2 and the lower rail 1 are not easily separated.

[0035] In this embodiment, the support frame 3 is made of metal to ensure the support strength of the support frame 3, and both ends of the support frame 3 abut against the side walls of the strip-shaped through groove 2b, thereby effectively preventing the outward-turned structure 2a from shrinking and deforming inward.

[0036] like Figure 3 and Figure 4 As shown, a rubber block 4 is installed inside the support frame 3, and a through hole 4a is opened on the rubber block 4. The support frame 3 has a mounting hole 3a corresponding to the through hole 4a, and both the through hole 4a and the mounting hole 3a are used to pass the screw rod 6. The rubber block 4 effectively reduces the vibration of the screw rod 6, thereby ensuring that the screw rod 6 is not easily deformed.

[0037] As the upper rail 2 slides, the screw rod 6 will inevitably vibrate. To prevent the screw rod 6 from touching the support frame during vibration and causing wear of the screw rod 6 and the support frame 3, in this embodiment, the aperture of the mounting hole 3a is larger than the aperture of the through hole 4a.

[0038] like Figure 2 As shown, in this embodiment, two support frames 3 are installed at the bottom of the upper rail 2, and the two support frames 3 are symmetrically distributed at the front and rear ends of the upper rail 2, and rubber blocks 4 are installed inside the two support frames 3. Such a design not only makes the overall structure of the upper rail 2 more stable, but also limits the straightness of the screw rod 6 between the two support frames 3, and can buffer the vibration of the screw rod 6 through the two rubber blocks 4, thereby protecting the screw rod 6 from deformation.

[0039] like Figure 4 and Figure 5As shown, the top and rear ends of the support frame 3 are both extended with hanging ears 3b, and the two hanging ears 3b are both provided with threaded holes 3c, and rivets 5 are inserted into the threaded holes 3c to ensure a fixed connection between the support frame 3 and the upper rail 2. In this embodiment, the use of rivets 5 can effectively reduce the longitudinal space occupied by the support frame 3 and the upper rail 2 during installation. In addition, the support frame 3 and the upper rail 2 can also be fixed by welding or other methods.

[0040] For example Figure 4 and Figure 7 As shown, the bottom of the rubber block 4 is formed with two limiting protrusions 4b extending downward, and a positioning hole 3d is opened at the bottom of the support frame 3 corresponding to the limiting protrusion 4b. The limiting protrusion 4b can be inserted into the positioning hole 3d to ensure that the rubber block 4 is stably installed inside the support frame 3.

[0041] Furthermore, a strip groove 4c is formed on the surface of the rubber block 4 along the length direction of the screw rod 6, and a strip hole 4d is opened inside the rubber block 4 along the length direction of the screw rod 6, so as to ensure that the rubber block 4 has a deformable space, thereby ensuring the buffering and shock absorbing effect of the rubber block 4.

[0042] like Figure 6 As shown, in the present embodiment, the support frame 3 is a U-shaped frame, and the support frame 3 is provided with a chamfer 3e corresponding to the outward-turned structure 2a, so that the support frame 3 is in a "convex" shape in the width direction of the upper rail 2, thereby ensuring that the inner side surface of the outward-turned structure 2a and the bottom surface of the upper rail 2 directly contact the rubber block 4. The rubber block 4 can provide an outward rebound force to the outward-turned structure 2a, thereby effectively preventing the outward-turned structure 2a from shrinking and deforming inwardly. At the same time, the rubber block 4 can also effectively avoid direct contact between the upper rail 2 and the support frame 3, which causes wear between the upper rail 2 and the support frame 3.

[0043] Embodiment 2:

[0044] like Figure 1 As shown, a slide rail assembly includes the slide rail anti-slip deformation structure described in Example 1, a screw rod 6 is also installed between the lower rail 1 and the upper rail 2, the front and rear ends of the screw rod 6 are fixedly installed on the lower rail 1 through mounting brackets 7, the front and rear ends of the screw rod 6 are fixedly installed on the lower rail 1 through mounting brackets 7, a gear box 8 is also sleeved on the screw rod 6, the gear box 8 is fixedly installed in the middle position of the lower end of the upper rail 2, the upper rail 2 can slide relative to the lower rail 1 by driving the gear box 8, a drive motor 9 is fixedly installed on the top of the upper rail 2, and the output end of the drive motor 9 is meshed with the gear box 8.

[0045] With such a design, by installing the slide rail anti-disengagement deformation structures at the front and rear ends of the bottom of the upper rail 2, it can effectively ensure that the upper rail 2 shrinks and deforms inwards, causing the upper rail 2 to separate from the lower rail 1. At the same time, it can also limit the straightness of the screw rod 6 between the two slide rail anti-disengagement deformation structures, slow down the vibration of the screw rod 6, and thereby ensure that the screw rod 6 is not easily deformed.

[0046] In addition, if Figure 3 As shown, a slider 10 is provided between the outward-turned structure 2a and the lower rail 1, the lower part of the outward-turned structure 2a is fixedly supported on the slider 10, the slider 10 can slide freely relative to the lower rail 1, and an elastic element 11 is provided on the slider 10, the force applied by the elastic element 11 can make the slider 10 tightly installed between the outward-turned structure 2a and the inner side of the lower rail 1. In this way, the upper rail 2 and the lower rail 1 are stably supported together.

[0047] In this embodiment, the slider 10 is a plastic part, which is not only low in cost, but also can effectively prevent the slider 10 from sliding on the lower rail 1 and wearing the lower rail 1. Figure 8 As shown, the elastic element 11 is a spring sheet, and an intermediate deformation block 10a and end deformation blocks 10b located at both ends of the intermediate deformation block 10a are provided on the upper part of the slider 10. The middle part of the spring sheet is supported on the outside of the intermediate deformation block 10a, and the two ends are respectively supported on the inside of the two groups of end deformation blocks 10b. Under the action of the spring sheet, the intermediate deformation block 10a and the two groups of end deformation blocks 10b can both undergo elastic deformation, so that the intermediate deformation block 10a can fit on the outside of the outward-turning structure 2a, and the end deformation blocks 10b can fit on the inside of the lower rail 1.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make a variety of similar expressions without violating the purpose and claims of the present invention, and such changes fall within the scope of protection of the present invention.

Claims

1. A slide rail anti-slip deformation structure, comprising a lower rail (1) and an upper rail (2) which can slide relative to the lower rail (1), wherein both sides of the upper end of the lower rail (1) are provided with inward turning structures (1a), the upper rail (2) has a strip-shaped through groove (2b) penetrating along its length direction, the lower end of the strip-shaped through groove (2b) is open, and the upper rail (2) is provided with outward turning structures (2a) at positions corresponding to both sides of the lower end of the strip-shaped through groove (2b), and the upper part of the outward turning structure (2a) is enclosed in the inward turning structure (1a), characterized in that: A support frame (3) is fixedly installed in the strip-shaped through groove (2b), and the support frame (3) is used to limit the deformation of the outward-turned structures (2a) on both sides toward the middle area of ​​the upper rail (2).

2. The slide rail anti-slippage deformation structure according to claim 1, characterized in that: Both ends of the support frame (3) abut against the side walls of the strip-shaped through groove (2b).

3. The slide rail anti-slippage deformation structure according to claim 1, characterized in that: A rubber block (4) is provided inside the support frame (3), a through hole (4a) is provided on the rubber block (4), and a mounting hole (3a) is provided on the support frame (3) corresponding to the through hole (4a), and both the through hole (4a) and the mounting hole (3a) are used for passing a screw rod (6).

4. The slide rail anti-slippage deformation structure according to claim 1, characterized in that: The strip-shaped through groove (2b) is provided with two support frames (3), and the two support frames (3) are distributed at the front and rear ends of the upper rail (2).

5. The slide rail anti-slippage deformation structure according to claim 1, characterized in that: The front and rear ends of the top of the support frame (3) are both extended with hanging ears (3b), the hanging ears (3b) are provided with threaded holes (3c), and rivets (5) are inserted into the threaded holes (3c) to fix the support frame (3) and the upper rail (2).

6. The slide rail anti-slippage deformation structure according to claim 3, characterized in that: The bottom of the rubber block (4) is provided with a limiting protrusion (4b), and the bottom of the support frame (3) is provided with a positioning hole (3d) corresponding to the limiting protrusion (4b), and the limiting protrusion (4b) can be inserted into the positioning hole (3d).

7. The slide rail anti-slippage deformation structure according to claim 3, characterized in that: The diameter of the mounting hole (3a) is larger than the diameter of the through hole (4a).

8. The slide rail anti-slippage deformation structure according to claim 3, characterized in that: The surface of the rubber block (4) is provided with a strip groove (4c) along the length direction of the screw rod (6), and the interior of the rubber block (4) is provided with a strip hole (4d) along the length direction of the screw rod (6).

9. A slide rail assembly, characterized in that: It comprises the slide rail anti-slippage deformation structure as described in any one of claims 1 to 8, a screw rod (6) is provided between the lower rail (1) and the upper rail (2), the front and rear ends of the screw rod (6) are fixedly mounted on the lower rail (1) through mounting brackets (7), a gear box (8) is sleeved on the screw rod (6), and the gear box (8) is fixedly mounted at the middle position of the lower end of the upper rail (2), and a drive motor (9) is provided on the top of the upper rail (2), and the drive motor (9) is used to drive the gear box (8) to rotate.

10. The slide rail assembly according to claim 9, characterized in that: A slider (10) is provided between the outward-turned structure (2a) and the lower rail (1); the lower portion of the outward-turned structure (2a) is fixedly supported on the slider (10); and the slider (10) can slide freely relative to the lower rail (1); The slider (10) is provided with an elastic element (11), and the force applied by the elastic element (11) can enable the slider (10) to be tightly mounted between the outward-turned structure (2a) and the inner side of the lower rail (1).

Images