Drawer sliding rail with deviation rectifying function

Abstract

The utility model relates to the technical field of drawer sliding rails, and discloses a drawer sliding rail with a deviation rectifying function, which comprises a main rail, the side wall of the main rail is connected with a bearing rail in a sliding manner, the side wall of the bearing rail is connected with an inner rail in a sliding manner, and the side surface of the bearing rail is provided with a locking assembly. By arranging the locking assemblies, when transverse deviation occurs between the guide rails, the rollers can transversely slide along with movement of the T-shaped grooves, at the moment, the rotating rods drive the connecting blocks, the round rods can randomly move upwards or downwards along the inner surfaces of the V-shaped grooves, and therefore the inclination directions of the round rods corresponding to the two adjacent sets of rollers are different; the inclination degree of the pin rollers and the rotating rods can be further increased, so that the bearing rail or the inner rail is clamped and decelerated, the bearing rail and the inner rail are prevented from further slipping after deviation in the contraction process, the bearing rail and the inner rail are promoted to reset, and stable operation of the main rail, the bearing rail and the inner rail is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to drawer slide rail technical field, concretely is a drawer slide rail with rectification function. BACKGROUND

[0002] The existing drawer is generally less than the drawer cabinet depth, so that the drawer can be completely drawn out by using two guide rails, and the drawer is convenient to take and place. However, the space behind the drawer cannot be used, resulting in waste of this part of the space. However, with the development of society, the city space is more crowded, and various spaces are effectively utilized.

[0003] According to the rectification drawer slide rail (announcement number: CN208875704U) disclosed in the application, the flat groove rail is arranged on the upper side of the face rail, the flat wheel or the roller is arranged on the cladding shell fixedly connected with the drawer box, the flat wheel or the roller is located in the flat groove rail and slides, the wheel surface of the flat wheel (or the column surface of the roller) contacts the inner side surface of the flange to guide and position, and the drawer box is rectified during the pushing-in and drawing-out process.

[0004] However, in the actual use process of the above-mentioned device, the connecting part between the three guide rails is easy to be stuck during the recovery and docking process in the process of drawing out and inserting the three-guide-rail drawer, and the connecting part between the tracks has limited pressure bearing capacity, so that the tracks are easy to be derailed when affected by external force after the drawer is drawn out, thereby affecting the use effect of the drawer guide rail. In view of this, the drawer slide rail with rectification function is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a drawer slide rail with rectification function to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drawer slide rail with rectification function, comprising a main rail, a receiving rail slidably connected to the side wall of the main rail, an inner rail slidably connected to the side wall of the receiving rail, and a locking assembly arranged on the side surface of the receiving rail, the locking assembly comprising:

[0007] A straight bar is fixedly installed on the upper and lower outer walls of the receiving rail, straight grooves are formed on the inner surfaces of the upper and lower sides of the receiving rail, and a T-shaped groove is formed on the outer wall of the side of the inner rail close to the receiving rail.

[0008] A movable cavity is formed on the outer wall of the side of the receiving rail close to the main rail, a fixed plate is fixedly installed on the inner surface of the movable cavity, a V-shaped groove is formed on the inner surface of the fixed plate, a round rod is movably installed on the inner surface of the V-shaped groove, the round rod penetrates and is fixedly installed with a connecting block, a rotating rod is rotatably connected to the side wall of the connecting block, and the end of the rotating rod is fixedly connected with a roller.

[0009] Preferably, the main rail, the receiving rail and the inner rail are arranged in U shape, and the receiving rail wraps the inner rail, and the receiving rail is arranged inside the main rail.

[0010] Preferably, the number of the fixing plates is two, and the two fixing plates are symmetrically arranged with the vertical central axis of the movable cavity as the axis of symmetry, so that the connecting block can move between the two fixing plates.

[0011] Preferably, the T-shaped slot is matched with the roller and the rotating rod, and the roller and the rotating rod are arranged inside the T-shaped slot.

[0012] Preferably, the end of the receiving rail is provided with a guide assembly, the guide assembly comprises a rotating groove, the rotating groove is arranged at the end of the receiving rail, a guide wheel is rotatably arranged on the inner surface of the rotating groove, and a guide groove is arranged on the upper and lower inner surfaces of the main rail.

[0013] Preferably, the arc-shaped outer wall of the guide wheel is provided with an inclined ring away from the center of the guide wheel, and the guide groove is arranged in an inclined shape matched with the inclined ring, so that the guide wheel and the guide groove are matched, and the guide wheel will not appear horizontal displacement in the process of continuous rotation.

[0014] Compared with the prior art, the drawer slide rail with the deviation correction function has the following beneficial effects:

[0015] 1. The drawer slide rail with the deviation correction function, by arranging the locking assembly, when the guide rails appear horizontal deviation, the rollers will appear horizontal sliding with the movement of the T-shaped slot, at this time, the connecting block is driven by the rotating rod, so that the round rod will move upward or downward along the inner surface of the V-shaped slot, so that the round rods corresponding to the adjacent two groups of rollers have different inclined directions, which will further increase the inclination degree of the rollers and the rotating rod, so as to clamp and slow down the receiving rail or the inner rail, to avoid the further slipping of the receiving rail and the inner rail after the deviation in the contraction process, to reset the receiving rail and the inner rail, to ensure the stable operation of the main rail, the receiving rail and the inner rail.

[0016] 2. The drawer slide rail with the deviation correction function, by arranging the guide assembly, cooperating with the inclined ring arranged on the arc-shaped outer wall of the guide wheel and the inclined guide groove, the guide wheel and the guide groove are matched, so that the guide wheel will not appear horizontal displacement in the process of continuous rotation, and the deviation of the receiving rail and the inner rail during contraction or expansion is effectively avoided, to ensure the normal use of the drawer slide rail. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main body structure of the utility model.

[0018] Figure 2 It is the schematic diagram of the structure of the bearing rail of the utility model;

[0019] Figure 3 It is the schematic diagram of the structure of the locking assembly of the utility model;

[0020] Figure 4 It is the schematic diagram of the structure of the side view of the main rail end of the utility model;

[0021] Figure 5 It is the schematic diagram of the structure of the enlarged A area of the utility model; Figure 4

[0022] In the figure: 1, main rail; 2, bearing rail; 3, inner rail; 4, locking assembly; 41, straight bar; 42, straight groove; 43, T-shaped groove; 44, movable cavity; 45, fixed plate; 46, V-shaped groove; 47, round rod; 48, connecting block; 49, rotating rod; 410, roller; 5, guide assembly; 51, guide wheel; 52, guide groove. DETAILED DESCRIPTION

[0023] As Figures 1-5 shown, the utility model provides a kind of technical scheme: a drawer slide rail with rectification function, including main rail 1, the side wall of main rail 1 is slidably connected with bearing rail 2, the side wall of bearing rail 2 is slidably connected with inner rail 3, the side of bearing rail 2 is provided with locking assembly 4, and locking assembly 4 includes straight bar 41, straight groove 42, T-shaped groove 43, movable cavity 44, fixed plate 45, V-shaped groove 46, round rod 47, connecting block 48 and rotating rod 49 and roller 410.

[0024] In an embodiment of the utility model, straight bar 41 is fixedly installed on the upper and lower two sides outer walls of bearing rail 2, straight groove 42 is opened on the inner surface of the upper and lower two sides of bearing rail 2, T-shaped groove 43 is opened on the outer wall of the side of inner rail 3 close to bearing rail 2, movable cavity 44 is opened on the outer wall of the side of bearing rail 2 close to main rail 1, fixed plate 45 is fixedly installed on the inner surface of movable cavity 44, V-shaped groove 46 is opened on the inner surface of fixed plate 45, round rod 47 is movably installed on the inner surface of V-shaped groove 46, connecting block 48 is penetrated and fixedly installed with round rod 47, rotating rod 49 is rotatably connected on the side wall of connecting block 48, and roller 410 is fixedly connected on the end of rotating rod 49.

[0025] ​Further, the main rail 1, the receiving rail 2 and the inner rail 3 are all arranged in U shape, the receiving rail 2 wraps the inner rail 3, the receiving rail 2 is arranged inside the main rail 1, and a plurality of straight grooves 42 are formed on the inner surfaces of the upper and lower sides of the main rail 1, so as to be matched with the straight strips 41 arranged on the inner surfaces of the upper and lower sides of the receiving rail 2, and a plurality of straight strips 41 are arranged on the inner surfaces of the upper and lower sides of the inner rail 3, and the straight strips 41 are matched with the straight grooves 42 formed on the inner surfaces of the upper and lower sides of the receiving rail 2, so that the main rail 1, the receiving rail 2 and the inner rail 3 can slide along a straight line, and then are unfolded, specifically, the main rail 1 is fixedly installed at the drawer cavity of the table through screws, and the side wall of the inner rail 3 is fixed to the outer surface of the drawer through fastening screws, so that the drawer can be pulled out to a farther distance, and the use effect of the drawer is improved.

[0026] In addition, the number of fixed plates 45 is two, and the two fixed plates 45 are symmetrically arranged about the vertical central axis of the movable cavity 44, so that the connecting block 48 can move between the two fixed plates 45, thereby ensuring the relative stability of the movement of the connecting block 48, and the circular rod 47 is arranged at the center of the V-shaped groove 46, further, the T-shaped groove 43 is matched with the roller 410 and the rotating rod 49, and the roller 410 and the rotating rod 49 are arranged in the T-shaped groove 43, and the number of the movable cavity 44, the fixed plate 45, the circular rod 47, the connecting block 48, the rotating rod 49 and the roller 410 is two, and the two movable cavities 44, the fixed plates 45, the circular rods 47, the connecting blocks 48, the rotating rods 49 and the rollers 410 are arranged in parallel inside the main rail 1, during the contraction or expansion process between the main rail 1 and the receiving rail 2 or the receiving rail 2 and the inner rail 3, through the rolling of the roller 410 in the T-shaped groove 43, once the guide rails are transversely offset, the roller 410 will slide transversely with the movement of the T-shaped groove 43, at this time, the connecting block 48 is driven by the rotating rod 49, so that the circular rod 47 will move upward or downward along the inner surface of the V-shaped groove 46, so that the circular rods 47 corresponding to the two adjacent groups of rollers 410 have different inclination directions, which will further increase the inclination degree of the roller 410 and the rotating rod 49, so as to clamp and slow down the receiving rail 2 or the inner rail 3, so as to avoid the further sliding of the receiving rail 2 and the inner rail 3 after the offset in the contraction process, and to promote the resetting of the receiving rail 2 and the inner rail 3, so as to ensure the stable operation of the main rail 1, the receiving rail 2 and the inner rail 3.

[0027] In the embodiment of the utility model, the end of receiving rail 2 is provided with guide assembly 5, guide assembly 5 includes rotating groove, rotating groove is set up in the end of receiving rail 2, the inner surface of rotating groove rotatably installs guide wheel 51, the upper and lower inner surfaces of main rail 1 are provided with guide groove 52.

[0028] Specifically, the end of the inner rail 3 is provided with another set of guide assembly 5, while the number of guide wheels 51 is provided with two sets, and the two sets of guide wheels 51 are symmetrically arranged with the horizontal center axis of the receiving rail 2 as the axis of symmetry, and the arc-shaped outer wall of the guide wheel 51 is provided with an inclined ring away from the center of the guide wheel 51, and the guide groove 52 is provided in an inclined manner matched with the inclined ring, so that the guide wheel 51 and the guide groove 52 are matched, and the horizontal transverse displacement does not occur during the continuous rotation of the guide wheel 51, thereby effectively avoiding the deviation of the receiving rail 2 and the inner rail 3 during contraction or expansion, to ensure the normal use of the drawer slide rail.

[0029] In the utility model, when using, the main rail 1 is fixedly installed on the cavity side of the drawer to be installed through the fastening screw, and the inner rail 3 is fixedly installed on the side wall of the drawer through the fastening screw, and the inner rail 3 is aligned with the receiving rail 2, then the combination of the receiving rail 2, the inner rail 3 and the drawer is aligned with the main rail 1 and installed, so that the installation of the drawer slide rail is realized.

[0030] During the use of the drawer slide rail, the straight bar 41 and the straight groove 42 guide and limit the main rail 1, the receiving rail 2 and the inner rail 3 to only perform linear extension and contraction, and the roller 410, the rotating rod 49 and the T-shaped groove 43 are arranged, once the transverse deviation occurs between the guide rails, the roller 410 will slide transversely along with the movement of the T-shaped groove 43, at this time, the rotating rod 49 drives the connecting block 48, so that the round rod 47 moves upward or downward along the inner surface of the V-shaped groove 46, so that the round rod 47 corresponding to the two groups of rollers 410 is inclined in different directions, which further increases the inclination degree of the roller 410 and the rotating rod 49, so as to clamp and slow down the receiving rail 2 or the inner rail 3, to avoid the further slipping of the receiving rail 2 and the inner rail 3 after the deviation during the contraction, to reset the receiving rail 2 and the inner rail 3, to ensure the stable operation of the main rail 1, the receiving rail 2 and the inner rail 3.

[0031] The above is a general description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A drawer slide rail with a rectification function, comprising a main rail (1), a receiving rail (2) is slidably connected to the side wall of the main rail (1), and an inner rail (3) is slidably connected to the side wall of the receiving rail (2), characterized in that: The side of the receiving rail (2) is provided with a locking assembly (4), the locking assembly (4) comprises: The straight bar (41) is fixedly installed on the upper and lower two side outer walls of the receiving rail (2), the straight groove (42) is opened on the inner surface of the upper and lower two sides of the receiving rail (2), and the T-shaped groove (43) is opened on the outer wall of the side of the inner rail (3) close to the receiving rail (2). The movable cavity (44) is opened on the outer wall of the side of the receiving rail (2) close to the main rail (1), the inner surface of the movable cavity (44) is fixedly installed with the fixed plate (45), the inner surface of the fixed plate (45) is opened with the V-shaped groove (46), the inner surface of the V-shaped groove (46) is movably installed with the round rod (47), the round rod (47) penetrates and is fixedly installed with the connecting block (48), the side wall of the connecting block (48) is rotatably connected with the rotating rod (49), and the end of the rotating rod (49) is fixedly connected with the roller (410).

2. The drawer slide rail with a correction function according to claim 1, characterized in that: The main rail (1), the receiving rail (2) and the inner rail (3) are all arranged in a U shape, the receiving rail (2) wraps the inner rail (3), and the receiving rail (2) is arranged in the main rail (1).

3. The drawer slide rail with a correction function according to claim 1, characterized in that: The number of the fixed plate (45) is two groups, and the two groups of fixed plates (45) are symmetrically arranged with the vertical central axis of the movable cavity (44) as the axis of symmetry.

4. The drawer slide rail with a correction function according to claim 1, characterized in that: The T-shaped groove (43) is matched with the roller (410) and the rotating rod (49), and the roller (410) and the rotating rod (49) are arranged in the T-shaped groove (43).

5. The drawer slide rail with a correction function according to claim 1, characterized in that: The end of the receiving rail (2) is provided with a guide assembly (5), the guide assembly (5) comprises a rotating groove, the rotating groove is opened at the end of the receiving rail (2), the inner surface of the rotating groove is rotatably installed with the guide wheel (51), and the upper and lower two side inner surfaces of the main rail (1) are opened with the guide groove (52).

6. The drawer slide rail with a correction function according to claim 5, characterized in that: The arc-shaped outer wall of the guide wheel (51) is provided with an inclined ring away from the center of the guide wheel (51), and the guide groove (52) is arranged in an inclined shape matched with the inclined ring.

Images