Drawer guide rail

Abstract

The invention discloses a drawer guide rail which comprises a sliding rail, a fixed rail, a sliding block, a fixed piece, a floating connecting piece and a guide structure. According to the drawer guide rail, through the cooperation between the first guide inclined plane on the floating connecting piece and the second guide inclined plane on the guide structure, automatic alignment and clamping connection of the floating connecting piece can be achieved in the process that the sliding rail is pushed inwards. Therefore, the floating connecting piece is effectively locked in the width direction of the fixed rail, so that unexpected rotation or swing possibly occurring after the floating connecting piece is connected in the prior art is eliminated, the stability and reliability of drawer guide rail connection are remarkably improved, and the derailing phenomenon caused by loose connection in the use process of a drawer is effectively avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of furniture fittings, in particular to a drawer guide rail. BACKGROUND

[0002] The drawer guide rail is an indispensable functional component in modern furniture, especially in cabinets and office furniture. Its core function is to guide the drawer body to smoothly and stably pull out and push into the furniture cabinet. A common guide rail structure includes a fixed rail, a sliding rail, and an extension assembly arranged between the two. The fixed rail is usually installed on the side panel of the cabinet, and the sliding rail is connected with the side panel of the drawer. In order to realize the detachable connection between the sliding rail and the fixed rail, so as to facilitate the installation, maintenance or cleaning of the drawer, a quick mounting structure is generally used in the prior art.

[0003] A typical quick mounting structure is to provide a rotatable floating connecting piece at the end of the sliding rail, and to provide a corresponding fixed piece (such as a hook or a column) on the fixed rail or the sliding block associated therewith. During installation, by pushing the floating connecting piece towards the fixed piece, the floating connecting piece can be greatly facilitated to be buckled with the fixed piece through its own rotation or elastic deformation, thereby completing the quick connection of the sliding rail and the fixed rail.

[0004] However, this existing quick mounting structure has obvious reliability problems in actual use. Since the floating connecting piece is designed to be rotatable or floating in a certain direction (usually in the width direction of the fixed rail) to realize the alignment and buckling with the fixed piece, but this rotatable feature still exists after the buckling is completed. When the drawer is frequently pulled out, bears weight or is subjected to lateral impact, the force acting on the sliding rail will be transmitted to the floating connecting piece, which may cause unexpected slight rotation or swing of the floating connecting piece around the buckling point. This unstable motion state will cause the buckling fit to have a gap or a loosening tendency, and long-term use will easily cause the floating connecting piece and the fixed piece to be accidentally separated, causing the connection between the sliding rail and the fixed rail to fail, which is commonly known as the "derailment" phenomenon. Derailment not only hinders the normal use of the drawer, causing poor pulling out, abnormal noise, and even causing the drawer to overturn and the contents to spill, which poses a safety hazard.

[0005] Therefore, the drawer guide rail quick mounting structure in the prior art has a contradiction between convenience and connection reliability. How to design a drawer guide rail that is convenient for quick installation and disassembly, and can always maintain stable connection in the working state to effectively prevent derailment caused by accidental rotation of the floating connecting piece, has become a technical problem to be solved in the field. SUMMARY

[0006] The technical problem to be solved by the present application is to overcome the defects in the prior art and provide a drawer guide rail.

[0007] The present application solves the above technical problems by the following technical solutions: A drawer guide rail comprises: A sliding rail; A fixed rail provided with a first sliding groove extending along the length direction of the fixed rail, the first sliding groove being provided with a closed end and an open end at two ends of the length direction of the fixed rail respectively; A sliding block slidably mounted in the first sliding groove and configured to be able to reciprocate along the length direction of the fixed rail, the sliding block being provided with a second sliding groove extending along the length direction of the fixed rail; A fixing member mounted on the sliding block and located in the second sliding groove, the fixing member extending towards the opening direction of the second sliding groove; A floating connecting member mounted on the sliding rail close to one end of the closed end, the floating connecting member being configured to be able to rotate in the width direction of the fixed rail, the floating connecting member comprising a first part and a second part arranged at intervals, the first part or the second part being provided with a clamping groove matched with the fixing member, and the end of the first part and the second part close to the open end being provided with a first guide inclined surface respectively; A guide structure comprising a first guide block and a second guide block mounted on two sides of the width direction of the fixed rail respectively, the end of the first guide block and the second guide block close to the open end being provided with a second guide inclined surface matched with the first guide inclined surface respectively; The floating connecting member is configured to: when the sliding rail drives the floating connecting member to move in the second sliding groove from the open end to the closed end, the first guide inclined surface of the first part is in contact with the second guide inclined surface of the first guide block, the first guide inclined surface of the second part is in contact with the second guide inclined surface of the second guide block, and under the guidance of the first guide inclined surface and the second guide inclined surface, the clamping groove is clamped with the fixing member, and the floating connecting member is locked in the width direction of the fixed rail.

[0008] Preferably, the side of the first part close to the first guide block is provided with a first limiting plane, and the side of the second part close to the second guide block is provided with a second limiting plane; The drawer guide rail further comprises a first limiting part and a second limiting part, the first limiting part being arranged on the first guide block and extending in the second sliding groove along the width direction of the fixed rail, and the second limiting part being arranged on the second guide block and extending in the second sliding groove along the width direction of the fixed rail; In the thickness direction of the fixed rail, the height of the first limiting part is greater than the height of the first limiting plane, and the height of the second limiting part is greater than the height of the second limiting plane; The first limiting portion and the first limiting slope abut, the second limiting portion and the second limiting slope abut, and the floating connector is locked in the thickness direction of the fixed rail, at the same time or after the second guide slope contacts the first guide slope to generate a guiding effect. Preferably, the clamping groove is arranged on the second part close to the first part, and the length of the second part is greater than the length of the first part in the length direction of the fixed rail.

[0009] Preferably, the length of the second limiting plane is the same as the length of the second part in the length direction of the fixed rail.

[0010] Preferably, one side of the sliding rail is provided with a groove, the floating connector further comprises a connecting portion entering the groove and being rotatably connected with the sliding rail, the first part and the second part are arranged at one end of the connecting portion exposed to the groove, the first part and the second part are kept at a certain interval from the sliding rail, and the floating connector further comprises an elastic member arranged in the groove, one end of the elastic member is connected with the connecting portion, and the other end is connected with the side wall of the groove.

[0011] Preferably, a pair of guide protrusions extending in the length direction of the fixed rail and arranged at intervals are arranged in the first sliding groove, and a pair of guide grooves extending in the length direction of the fixed rail and arranged at intervals are arranged on the sliding block, and the guide protrusions are slidably connected with the guide grooves.

[0012] Preferably, the sliding block is provided with a mounting hole extending in the width direction of the fixed rail, and the fixing member is arranged in the mounting hole and penetrates the sliding block in the width direction of the fixed rail. The side of the sliding block away from the second sliding groove is provided with a mounting groove in communication with the mounting hole, and a rotating member having one end rotatably connected with the sliding block and the other end connected with the fixing member is arranged in the mounting groove, so that the fixing member can move in the width direction of the fixed rail, thereby being able to enter or leave the clamping groove.

[0013] Preferably, the drawer further comprises: An elastic member connected between the closed end and the sliding block, the elastic member applies an elastic force to the sliding block to move the sliding block towards the closed end.

[0014] Preferably, the first limiting portion and the first guide block are an integral structure. And / or, the second limiting portion and the second guide block are an integral structure.

[0015] A drawer comprising the drawer guide rail described above.

[0016] On the basis of common knowledge in the art, the above-mentioned preferred conditions can be combined arbitrarily, i.e. to obtain each preferred example of the present application.

[0017] The positive progress effect of the present application is that the drawer guide rail can realize automatic alignment and clamping of the floating connector during the inward pushing of the sliding rail by introducing the cooperation between the first guide slope on the floating connector and the second guide slope on the guide structure. Thus, the floating connector is effectively locked in the width direction of the fixed rail, thereby eliminating the unintended rotation or swing of the floating connector after connection in the prior art, significantly improving the stability and reliability of the drawer guide rail connection, and effectively avoiding the derailment phenomenon of the drawer during use due to loose connection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure of the drawer guide rail of the exemplary embodiment of the present application is shown.

[0019] Figure 2 The structure at circle A in the middle is shown. Figure 1 The structure at circle B in the middle is shown.

[0020] Figure 3 The structure of the sliding rail and the floating connector of the exemplary embodiment of the present application is shown.

[0021] Figure 4 The structure of the sliding rail and the floating connector of the exemplary embodiment of the present application is shown. Figure 3 The structure at circle B in the middle is shown.

[0022] Figure 5 The structure of the sliding rail and the floating connector of the exemplary embodiment of the present application is shown.

[0023] Figure 6 The structure of the sliding rail and the floating connector of the exemplary embodiment of the present application is shown.

[0024] Explanation of reference signs: Sliding rail 1, groove 11, fixed rail 2, first sliding groove 21, closed end 22, open end 23, sliding block 3, second sliding groove 31, mounting hole 32, mounting groove 33, floating connector 4, first part 41, first limiting plane 411, second part 42, second limiting plane 421, clamping groove 43, first guide slope 44, connecting part 45, elastic member 46, guide structure 5, first guide block 51, second guide block 52, second guide slope 53, first limiting part 6, second limiting part 7, guide protruding column 8, rotating member 9, fixed member 10, length direction 11, width direction 12, thickness direction 13 DETAILED DESCRIPTION The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0025] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," "top," "bottom," "upper side," "lower side," "upward," "downward," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0026] like Figures 1-6 As shown, this application proposes a drawer guide rail, which includes a sliding rail 1, a fixed rail 2, a slider 3, a fixing member 10, a floating connector 4, and a guide structure 5.

[0027] The sliding rail 1 refers to the guide rail component connected to the drawer body. Its main function is to support the drawer and move it as the drawer is pulled out.

[0028] Fixed rail 2 refers to the guide rail component installed on the side panel of the furniture cabinet. Its main function is to provide fixed support and a guiding path for sliding rail 1. Fixed rail 2 is provided with a first groove 21 extending along its length direction 11. The first groove 21 forms a closed end 22 and an open end 23 at both ends of the fixed rail 2 along the length direction 11. The closed end 22 is one end of the first groove 21 or the second groove 31 along the length direction 11 of the fixed rail 2, which is the end point of the travel. The open end 23 is the other end of the first groove 21 or the second groove 31 along the length direction 11 of the fixed rail 2, which is the entry point for installation or disassembly.

[0029] The slider 3 is slidably mounted in the first groove 21 and configured to reciprocate along the length of the fixed rail 2. The slider 3 is provided with a second groove 31 extending along the length direction 11 of the fixed rail 2.

[0030] The fixing member 10 is installed on the slider 3 and located in the second slide groove 31. The fixing member 10 extends towards the opening of the second slide groove 31. Its function is to cooperate with the snap-fit ​​groove 43 on the floating connector 4 to achieve connection.

[0031] A floating connector 4 is installed on one end of the sliding rail 1 near the closed end 22. The floating connector 4 is configured to rotate in the width direction 12 of the fixed rail 2. The floating connector 4 includes a first part 41 and a second part 42 spaced apart. The first part 41 or the second part 42 is provided with a snap-fit ​​groove 43 that matches the fixing member 10. The ends of the first part 41 and the second part 42 near the open end 23 are both formed with a first guide slope 44. The floating connector 4 is used to cooperate with the fixing member 10 and the guide structure 5.

[0032] The guide structure 5 includes a first guide block 51 and a second guide block 52 respectively installed on both sides of the fixed rail 2 in the width direction 12. The ends of the first guide block 51 and the second guide block 52 near the open end 23 are provided with a second guide slope 53 that matches the first guide slope 44.

[0033] The floating connector 4 is configured such that when the sliding rail 1 drives the floating connector 4 to move in the second groove 31 in the direction from the open end 23 to the closed end 22, the first guide slope 44 of the first part 41 contacts the second guide slope 53 of the first guide block 51, and the first guide slope 44 of the second part 42 contacts the second guide slope 53 of the second guide block 52. Under the guidance of the first guide slope 44 and the second guide slope 53, the snap-fit ​​groove 43 snaps into the fixing member 10, and the floating connector 4 is locked in the width direction 12 of the fixed rail 2.

[0034] More specifically, in the embodiments of this application: The sliding rail 1 is constructed as a long strip, one side of which connects to the drawer body, and the other side mates with the fixed rail 2. The fixed rail 2 is also constructed as a long strip, which can be installed onto the side panel of the furniture cabinet. A first groove 21 is provided on the fixed rail 2 along its length direction 11. The first groove 21 has a closed end 22 and an open end 23 at both ends of the fixed rail 2 along its length direction 11, respectively, to limit the range of motion of the slider 3.

[0035] The slider 3 is constructed as a block that matches the shape of the first groove 21. Its surface can be treated to reduce friction, or sliding can be achieved by setting simple balls or rollers. The slider 3 is also provided with a second groove 31 extending along the length direction 11 of the fixed rail 2. The second groove 31 is a recess 11 with a bottom wall, which serves to provide movement space for the floating connector 4.

[0036] The fastener 10 can be a simple protrusion or a latch with a specific shape.

[0037] The floating connector 4 includes a first part 41 and a second part 42 spaced apart. These two parts can be two arm-like structures or plate-like structures extending from the main body of the floating connector 4, with a gap between them. The first part 41 or the second part 42 is provided with a snap-fit ​​groove 43 that matches the fixing member 10. This snap-fit ​​groove 43 is an irregularly shaped groove whose shape and size match the fixing member 10 so that it can accommodate or engage the fixing member 10 during connection. The first guide slope 44 can be a simple chamfer, wedge-shaped surface, or inclined transition surface, and its function is to contact the guide structure 5 when the floating connector 4 moves.

[0038] The second guide ramp 53 forms a complementary geometry with the first guide ramp 44 on the floating connector 4. For example, if the first guide ramp 44 is inclined inward, then the second guide ramp 53 is inclined outward.

[0039] During the installation of the drawer slide, when the sliding rail 1 drives the floating connector 4 to move within the second slide groove 31 from the open end 23 to the closed end 22, the first guide slope 44 of the first part 41 of the floating connector 4 will contact the second guide slope 53 of the first guide block 51, and simultaneously, the second guide slope 53 of the second part 42 will contact the second guide slope 53 of the second guide block 52. Thus, guided by the first guide slope 44 and the second guide slope 53, the floating connector 4 is forcibly moved towards the center position of the width direction 12 of the fixed rail 2, causing the locking groove 43 to precisely align and engage with the fixing member 10. Through the lateral force generated by this slope guidance, the floating connector 4 is effectively locked in the width direction 12 of the fixed rail 2, thereby restricting its rotational freedom.

[0040] In this embodiment, the drawer slide utilizes the engagement between the first guide ramp 44 on the floating connector 4 and the second guide ramp 53 on the guide structure 5. This allows for automatic alignment and engagement of the floating connector 4 during the inward pushing of the sliding rail 1. Consequently, the floating connector 4 is effectively locked in the width direction 12 of the fixed rail 2, eliminating the possibility of unintended rotation or swaying of the floating connector 4 after connection, as seen in the prior art. This significantly improves the stability and reliability of the drawer slide connection, effectively preventing derailment due to loose connections during use.

[0041] In some of the solutions described above in this application, the floating connector 4 is locked in the width direction 12 of the fixed rail 2 to prevent derailment. However, in this process, the floating connector 4 lacks effective constraint in the thickness direction 13 of the fixed rail 2, which may cause it to rotate or swing unexpectedly when the drawer is pulled out or subjected to force, thereby causing unstable engagement and the risk of derailment.

[0042] In response, this application further proposes a drawer slide, wherein a first limiting plane 41 is formed on the side of the floating connector 4 near the first guide block 51, and a second limiting plane 42 is formed on the side of the floating connector 4 near the second guide block 52. The drawer slide also includes a first limiting part 6 and a second limiting part 7. The first limiting part 6 is disposed on the first guide block 51 and extends along the width direction 12 of the fixed rail 2 in the middle of the second slide groove 31, and the second limiting part 7 is disposed on the second guide block 52 and extends along the width direction 12 of the fixed rail 2 in the middle of the second slide groove 31. In the thickness direction 13 of the fixed rail 2, the height of the first limiting part 6 is greater than the height of the first limiting plane 411, and the height of the second limiting part 7 is greater than the height of the second limiting plane 421. During or after the second guide slope 53 contacts the first guide slope 44 to guide it, the first limiting part 6 abuts against the first limiting plane 411, the second limiting part 7 abuts against the second limiting plane 421, and the floating connector 4 is locked in the thickness direction 13 of the fixed rail 2.

[0043] Specifically, the first limiting plane 411 and the second limiting plane 421 are flat structures provided on the outside of the first part 41 and the second part 42 of the floating connector 4. Their main function is to provide a stable contact surface for the subsequent limiting part to withstand the pressure from the limiting part, thereby restricting the movement of the floating connector 4 in the thickness direction 13 of the fixed rail 2.

[0044] The first limiting part 6 and the second limiting part 7 are protruding structures respectively provided on the first guide block 51 and the second guide block 52, extending along the width direction 12 of the fixed rail 2. Their function is to cooperate with the corresponding limiting plane during or after the engagement of the floating connector 4 and the fixing member 10, applying a restraining force to the floating connector 4 in the thickness direction 13 of the fixed rail 2, preventing accidental movement in that direction. The first limiting part 6 can be integrally formed as part of the overall structure of the first guide block 51 by injection molding or machining, or it can be a separately manufactured component fixed to the first guide block 51 by riveting, welding, or bolting. The second limiting part 7 can be integrally formed as part of the overall structure of the second guide block 52, or fixed to the second guide block 52 in a similar manner.

[0045] The height of the first limiting part 6 is greater than the height of the first limiting plane 411, and the height of the second limiting part 7 is greater than the height of the second limiting plane 421, ensuring that the limiting part can form an interference fit or a tight abutment with the limiting plane, thereby forming an effective lock in the thickness direction 13 and eliminating potential gaps.

[0046] Through the above technical solution, when the sliding rail 1 drives the floating connector 4 to move within the second slide groove 31 in the direction from the open end 23 to the closed end 22, the first guide slope 44 on the first part 41 and the second part 42 of the floating connector 4 contacts the second guide slope 53 on the first guide block 51 and the second guide block 52, guiding the floating connector 4 to be accurately aligned. During or immediately after this guidance process, the first limiting part 6 abuts against the first limiting plane 411, and the second limiting part 7 abuts against the second limiting plane 421. This effectively eliminates the degree of freedom of the floating connector 4 in the thickness direction 13 of the fixed rail 2, effectively avoiding the risk of jamming, loosening, and derailment caused by instability in the thickness direction 13. This application further proposes that the snap-fit ​​groove 43 is disposed on the side of the second part 42 close to the first part 41, and the length of the second part 42 is greater than the length of the first part 41 in the length direction 11 of the fixed rail 2.

[0047] Specifically, when the sliding rail 1 drives the floating connector 4 to move within the second groove 31 from the open end 23 to the closed end 22, the second part 42, having a larger dimension in the length direction 11 of the fixed rail 2, is more likely to contact the fixing member 10 first and be guided. This preferential guiding effect makes the alignment process between the snap-fit ​​groove 43 and the fixing member 10 smoother and more precise, thereby ensuring the adequacy of the snap-fit ​​engagement. This application further proposes that, in the length direction 11 of the fixed rail 2, the length of the second limiting plane 421 is the same as the length of the second part 42.

[0048] Through the above technical solution, it is ensured that when the second limiting part 7 abuts against the second limiting plane 421 to lock the floating connector 4 in the thickness direction 13 of the fixed rail 2, the second limiting part 7 can uniformly contact and support along the entire effective length of the second limiting plane 421. This application further proposes that a groove 11 is provided on one side of the sliding rail 1, and the floating connector 4 also includes a connecting part 45 that enters the groove 11 and is rotatably connected to the sliding rail 1. The first part 41 and the second part 42 are both provided at one end of the connecting part 45 that is exposed in the groove 11. The first part 41 and the second part 42 are both kept at a certain distance from the sliding rail 1. The floating connector 4 also includes an elastic member 46 provided in the groove 11. One end of the elastic member 46 is connected to the connecting part 45, and the other end is connected to the side wall of the groove 11.

[0049] Specifically, a groove 11 is provided on one side of the sliding rail 1. The groove 11 can be an inwardly recessed structure formed integrally on the body of the sliding rail 1. Its main function is to provide a space for the partial structure of the floating connector 4 and to physically limit its rotation range. Alternatively, the groove 11 can also form a semi-closed cavity together with the body of the sliding rail 1 by adding a cover plate or side wall to the side of the sliding rail 1.

[0050] Both the first part 41 and the second part 42 are located at the end of the connecting part 45 that protrudes from the groove 11. This means that the functional parts of the floating connector 4 responsible for engaging with the fixing member 10 and cooperating with the guide structure 5 are located at the position where the connecting part 45 protrudes from the groove 11, ensuring that it can effectively perform the engaging and guiding functions. Both the first part 41 and the second part 42 maintain a certain distance from the sliding rail 1. This distance is designed to ensure that the floating connector 4 does not interfere with the body of the sliding rail 1 during rotation, thereby ensuring its smooth rotation. The elastic member 46 can be a torsion spring.

[0051] Through the above technical solution, the groove 11 on one side of the sliding rail 1 provides a limited rotation space for the connecting part 45 of the floating connector 4 and physically constrains its rotation range. Simultaneously, the elastic element disposed within the groove 11, with one end connected to the connecting part 45 and the other end connected to the side wall of the groove 11, can apply a continuous biasing force or restoring force to the floating connector 4. After the floating connector 4 is engaged, the elastic element can actively push it to or maintain it in a stable engaged position. Even when the drawer is frequently pulled out, subjected to heavy loads, or subjected to lateral impacts, the elastic element can effectively suppress the swinging or loosening of the floating connector 4, thereby significantly enhancing the engagement stability between the floating connector 4 and the fixing member 10, and effectively avoiding the risk of derailment caused by accidental rotation of the floating connector 4. This application further proposes that a pair of guide protrusions 8 extending along the length direction 11 of the fixed rail 2 and spaced apart are provided in the first slide groove 21, and a pair of guide grooves 11 extending along the length direction 11 of the fixed rail 2 and spaced apart are provided on the slider 3, and the guide protrusions 8 are slidably connected to the guide grooves 11.

[0052] Specifically, a pair of guide protrusions 8, which extend along the length direction 11 of the fixed rail 2 and are spaced apart, are provided in the first slide groove 21 to provide precise linear guidance for the slider 3. The guide protrusions 8 can be integrally formed on the inner wall of the first slide groove 21, and their cross-section can be rectangular, semi-circular, or trapezoidal to provide a stable contact surface.

[0053] Meanwhile, the slider 3 is provided with a pair of guide grooves 11 that extend along the length direction 11 of the fixed rail 2 and are spaced apart, which are designed to cooperate with the guide protrusion 8.

[0054] The guide protrusion 8 is slidably connected to the guide groove 11, forming a low-resistance sliding pair.

[0055] The above technical solution effectively restricts the degree of freedom of the slider 3 in the width direction 12 of the fixed rail 2, preventing lateral swaying or unstable movement of the slider 3 during sliding. This ensures that the floating connector 4 can stably and accurately align with the fixing member 10 when moving from the open end 23 to the closed end 22 within the second slide groove 31. This stable guiding effect also significantly improves the reliability of the engagement between the floating connector 4 and the fixing member 10, reduces the risk of derailment due to unstable sliding, and thus ensures the connection stability of the drawer guide rail during long-term use.

[0056] This application further proposes a drawer guide rail, wherein the slider 3 is provided with a mounting hole 32 extending along the width direction 12 of the fixed rail 2, and the fixing member 10 is provided in the mounting hole 32 and passes through the slider 3 in the width direction 12 of the fixed rail 2; the slider 3 is provided with a mounting groove 33 communicating with the mounting hole 32 on the side opposite to the second slide groove 31, and a rotating member 9 is provided in the mounting groove 33, one end of which is rotatably connected to the slider 3 and the other end of which is connected to the fixing member 10, so that the fixing member 10 can move in the width direction 12 of the fixed rail 2, thereby being able to enter or disengage from the snap-fit ​​groove 43.

[0057] Specifically, the mounting hole 32 is an opening provided on the slider 3, extending along the width direction 12 of the fixed rail 2. The fastener 10 is configured to be disposed inside the mounting hole 32 and can pass through the slider 3 along the width direction 12 of the fixed rail 2. This means that the fastener 10 can move laterally within the mounting hole 32 to achieve precise alignment or disengagement with the snap-fit ​​groove 43 of the floating connector 4.

[0058] Furthermore, on the side of the slider 3 facing away from the second slide groove 31, a mounting groove 33 communicating with the mounting hole 32 is provided. This mounting groove 33 provides operating space for the rotating member 9, avoiding interference with the second slide groove 31 or other components. Inside this mounting groove 33, a rotating member 9 is provided, one end of which is rotatably connected to the slider 3, and the other end is connected to the fixed member 10. The function of the rotating member 9 is to convert external operation into linear movement of the fixed member 10 in the width direction 12 of the fixed rail 2. In this embodiment, the rotating member 9 is a cam mechanism that pushes or pulls the fixed member 10 by rotating the cam. With this design, the fixed member 10 can move precisely in the width direction 12 of the fixed rail 2, thereby easily and accurately entering or disengaging from the snap-fit ​​groove 43 of the floating connector 4.

[0059] Through the above technical solution, the movable fastener 10 of this application is designed to simplify the installation and disassembly process. This application further proposes that it also includes an elastic element that connects the closed end 22 and the slider 3, and the elastic element applies an elastic force to the slider 3 to move it toward the closed end 22.

[0060] The elastic element can take many forms. For example, it can be a helical spring, including a compression spring or a tension spring, which provides elastic force through its extension and contraction; or it can be a leaf spring, which provides elastic force through its bending deformation; or it can be a torsion spring, which provides elastic force through its torsional deformation.

[0061] By introducing an elastic element and connecting the closed end 22 with the slider 3, and applying an elastic force to the slider 3 to make it move toward the closed end 22, the slider 3 can be kept in the expected stable position when it is engaged with the floating connector 4. This also enables the drawer to automatically retract during the push-back process without having to push the drawer back to the bottom. This application further proposes that the first limiting part 6 and the first guide block 51 are integrated into one structure; the second limiting part 7 and the second guide block 52 are integrated into one structure.

[0062] In this context, an integrated structure refers to a component that is constructed as a single, inseparable whole during manufacturing. For example, the first limiting part 6 and the first guide block 51 can be molded in one piece using an injection molding process. This integrated structure aims to simplify component composition, reduce assembly steps, and enhance the connection strength and stability between the two components.

[0063] In addition, this application proposes a drawer including drawer slides.

[0064] A drawer is a common furniture component, usually box-shaped, used to store items and capable of being pulled out and pushed in relative to the main body of the furniture.

Claims

1. A drawer guide, characterized in that, The drawer guide rail comprises: a sliding rail; a fixed rail provided with a first sliding groove extending along the length direction of the fixed rail, the first sliding groove being provided with a closed end and an open end at two ends of the length direction of the fixed rail respectively; a sliding block slidably mounted in the first sliding groove and configured to reciprocate along the length direction of the fixed rail, the sliding block being provided with a second sliding groove extending along the length direction of the fixed rail; a fixing member mounted on the sliding block and located in the second sliding groove, the fixing member extending towards the opening direction of the second sliding groove; a floating connecting member mounted on one end of the sliding rail close to the closed end, the floating connecting member being configured to rotate in the width direction of the fixed rail, the floating connecting member comprising a first part and a second part arranged at intervals, the first part or the second part being provided with a clamping groove matched with the fixing member, and the end of the first part and the second part close to the open end being provided with a first guide inclined surface respectively; a guide structure comprising a first guide block and a second guide block mounted on two sides of the width direction of the fixed rail respectively, the end of the first guide block and the second guide block close to the open end being provided with a second guide inclined surface matched with the first guide inclined surface respectively; wherein the floating connecting member is configured such that when the sliding rail drives the floating connecting member to move in the second sliding groove from the open end to the closed end, the first guide inclined surface of the first part is in contact with the second guide inclined surface of the first guide block, the first guide inclined surface of the second part is in contact with the second guide inclined surface of the second guide block, and under the guidance of the first guide inclined surface and the second guide inclined surface, the clamping groove is clamped with the fixing member, and the floating connecting member is locked in the width direction of the fixed rail.

2. The drawer guide of claim 1, wherein, The side of the first part close to the first guide block is provided with a first limiting plane, and the side of the second part close to the second guide block is provided with a second limiting plane; the drawer guide rail further comprises a first limiting part and a second limiting part, the first limiting part being arranged on the first guide block and extending in the second sliding groove along the width direction of the fixed rail, and the second limiting part being arranged on the second guide block and extending in the second sliding groove along the width direction of the fixed rail; in the thickness direction of the fixed rail, the height of the first limiting part is greater than the height of the first limiting plane, and the height of the second limiting part is greater than the height of the second limiting plane; wherein the first limiting part and the second limiting part are in abutment with the first limiting plane and the second limiting plane respectively when or after the second guide inclined surface contacts the first guide inclined surface to generate a guiding effect, and the floating connecting member is locked in the thickness direction of the fixed rail.

3. The drawer guide of claim 2, wherein, The clamping groove is arranged on the side of the second part close to the first part, and in the length direction of the fixed rail, the length of the second part is greater than the length of the first part.

4. The drawer guide of claim 3, wherein, In the length direction of the fixed rail, the length of the second limiting plane is the same as the length of the second part.

5. The drawer guide of claim 3, wherein, The side of the sliding rail is provided with a groove, the floating connector further comprises a connecting part connected with the sliding rail in a rotatable manner, the first part and the second part are arranged at one end of the connecting part exposed from the groove, the first part and the second part are kept at a certain interval from the sliding rail, the floating connector further comprises an elastic part arranged in the groove, one end of the elastic part is connected with the connecting part, and the other end is connected with the side wall of the groove.

6. The drawer guide of claim 1, wherein, A pair of guiding convex columns extending along the length direction of the fixed rail and arranged at intervals are arranged in the first sliding groove, and a pair of guiding concave grooves extending along the length direction of the fixed rail and arranged at intervals are arranged on the sliding block, and the guiding convex columns are slidably connected with the guiding concave grooves.

7. The drawer guide of claim 1, wherein, The sliding block is provided with a mounting hole extending along the width direction of the fixed rail, and the fixing part is arranged in the mounting hole and penetrates the sliding block in the width direction of the fixed rail. The side of the sliding block away from the second sliding groove is provided with a mounting groove in communication with the mounting hole, and a rotating part having one end rotatably connected with the sliding block and the other end connected with the fixing part is arranged in the mounting groove, so that the fixing part can move in the width direction of the fixed rail, thereby being able to enter or leave the clamping groove.

8. The drawer guide of claim 1, wherein, Further comprising: An elastic part connecting the closed end and the sliding block, the elastic part applying an elastic force to the sliding block to make it move towards the closed end.

9. The drawer guide of claim 2, wherein, The first limiting part and the first guide block are an integral structure; And / or, the second limiting part and the second guide block are an integral structure.

10. A drawer characterized in that, The drawer guide rail comprises the drawer guide rail according to any one of claims 1-9. The drawer guide rail comprises the drawer guide rail according to any one of claims 1-9.

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