CN111436777B

CN111436777B - A stable support structure for furniture drawer slides

Info

Publication number: CN111436777B
Application number: CN202010318524.0A
Authority: CN
Inventors: 郜睿特; 马倩一; 郜家红
Original assignee: Beijing Huadu Jiamei Office Furniture Co ltd
Current assignee: Beijing Huadu Jiamei Intelligent Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-08-31
Anticipated expiration: 2040-04-21
Also published as: CN111436777A

Abstract

The invention relates to a stable support structure for a sliding rail of a furniture drawer, belonging to the technical field of furniture drawers. The invention comprises a fixed rail fixed on a cabinet body, a movable rail is slidably connected in the fixed rail, and the movable rail is fixedly connected with the drawer. There is a stabilizing component supporting the fixed rail. The stabilizing component includes a supporting plate, a pressing plate and a connecting rod. The supporting plate is fixedly connected to the cabinet body, the top surface is in contact with the bottom surface of the fixed rail, one end of the connecting rod is connected to the supporting plate, and the other end is connected to the supporting plate. It is connected with the pressing plate, the bottom surface of the pressing plate is in contact with the top surface of the fixed rail, and a limit component is arranged between the top surface of the support plate and the bottom surface of the fixed rail. The present invention has the effect of increasing the stability of the fixed rail.

Description

Stable supporting structure of furniture drawer slide rail

Technical Field

The invention relates to the technical field of furniture drawers, in particular to a stable supporting structure of a furniture drawer slide rail.

Background

Furniture drawers are good tools for placing and storing articles, and are particularly common in daily life, and the furniture drawers are generally connected with a cabinet body through sliding rails.

The existing chinese patent with reference to publication No. CN202636185U discloses a drawer guide rail structure, which includes a fixed rail and a movable rail, wherein a bearing portion of the fixed rail has an inverted triangular cross section, a cross section of the movable rail is substantially n-shaped, and a retainer is disposed between the fixed rail and the movable rail; the upper surface of the horizontal side of the fixed rail bearing part is provided with a sunken first raceway; the lower surface of the horizontal edge of the movable rail is also provided with a sunken second raceway, and a first ball is embedded between the first raceway and the second raceway; the lower ends of two vertical edges of the movable rail are provided with first bending parts; two first bending parts of the movable rail are respectively opposite to two triangular bevel edges of the fixed rail, and second balls are respectively embedded between each first bending part and the triangular bevel edge of the fixed rail; the first and second balls are both constrained by the cage. When the drawer is pulled, the movable rail slides along the fixed rail, so that the drawer is opened and closed.

The above prior art solutions have the following drawbacks: the weight of the drawer and the drawer loading object is borne by the fixed rail, and in the long-term use process, the joint of the fixed rail and the cabinet body is easy to loosen, so that the fixed rail is rocked, the smoothness of the movable rail sliding in the fixed rail is influenced, and the service life of the drawer is further influenced.

Disclosure of Invention

In view of the shortcomings of the prior art, it is an object of the present invention to provide a stable support structure for a furniture drawer slide that has the effect of increasing the stability of the fixed rail.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a stable bearing structure of furniture drawer slide rail, including fixing the fixed rail on the cabinet body, sliding connection has the activity rail in the fixed rail, activity rail and drawer fixed connection, be equipped with the stabilizing component who supports the fixed rail on the cabinet body, stabilizing component includes the backup pad, pressure strip and connecting rod, backup pad and cabinet body fixed connection, top surface and fixed rail bottom surface butt, the one end and the backup pad of connecting rod are connected, the other end is connected with the pressure strip, the bottom surface of pressure strip and the top surface butt of fixed rail, be equipped with spacing subassembly between backup pad top surface and the fixed rail bottom surface.

Through adopting above-mentioned technical scheme, the backup pad supports the fixed rail, can share the weight that the fixed rail received, reduces the not hard up condition of fixed rail, and the pressure strip compresses tightly the fixed rail top surface, cooperates with the backup pad, carries on spacingly to the position of fixed rail, further reduces the not hard up condition of fixed rail, prevents effectively that the fixed rail from producing on vertical preventing to rock, increases the stability of fixed rail. In addition, carry on spacingly through spacing subassembly to the fixed rail between bracing piece and the fixed rail, can prevent that the fixed rail from moving on the horizontal direction, carry on spacingly to the fixed rail horizontal direction, further increase the stability of fixed rail to improve the smooth and easy nature when the activity rail slides, improve the life of drawer.

The present invention in a preferred example may be further configured to: the connecting rod includes dead lever and slide bar, the one end and the pressure strip fixed connection of slide bar, the other end insert in the dead lever with dead lever sliding connection, be connected with the retaining member between dead lever and the slide bar, the dead lever is kept away from the one end and the backup pad fixed connection of slide bar.

Through adopting above-mentioned technical scheme, when supporting the fixed rail, with fixed rail and backup pad butt to carry out spacing back to the fixed rail through spacing subassembly, with fixed rail and cabinet body threaded connection, then, the downstream slide bar, the slide bar drives the pressure strip downstream, with the top surface butt of fixed rail, later, through retaining member with dead lever and slide bar fixed connection, make pressure strip and backup pad support and spacing fixed rail. The pressure strip and the backup pad are connected through slide bar and dead lever, can adjust the distance between the two, are convenient for carry on spacingly to the stationary rail through spacing subassembly, increase the convenience during installation.

The present invention in a preferred example may be further configured to: the locking piece is a locking bolt which is in threaded connection with the fixed rod and the sliding rod.

Through adopting above-mentioned technical scheme, locking bolt connects firmly, easy operation, and locking bolt's simple structure, and the processing of being convenient for, the cost is lower.

The present invention in a preferred example may be further configured to: spacing subassembly includes spacing groove and stopper, and the bottom surface at fixed rail is seted up in the spacing groove, and the opening is towards the backup pad, and the stopper inlays in spacing inslot and backup pad top surface fixed connection.

Through adopting above-mentioned technical scheme, the stopper inlays behind the spacing groove, on the one hand, can fix a position the position of fixed rail, and the mounted position of the fixed rail of being convenient for confirm fast improves the installation effectiveness, and on the other hand, stopper and spacing groove are spacing fixed rail horizontal direction, improve the stability of fixed rail. In addition, the fixed rail is limited through the limiting block and the limiting groove, so that the installation is convenient, and the limiting block and the limiting groove are simple in structure and convenient to process.

The present invention in a preferred example may be further configured to: the below of backup pad is equipped with strengthens the subassembly, strengthens the subassembly and includes layer board, extension plate and reinforcing plate, and the layer board is located the below and cabinet body fixed connection of backup pad, and the extension plate is located between layer board and the backup pad to with layer board, backup pad sliding connection, the one end fixed connection of reinforcing plate and extension plate, reinforcing plate top surface and activity rail bottom surface butt, the extension plate is connected with the gliding drive assembly of drive reinforcing plate.

Through adopting above-mentioned technical scheme, when outwards pulling the drawer, the movable rail slides along the fixed rail, and simultaneously, drive assembly drive extension plate removes between layer board and backup pad, and stretch out the backup pad, and reinforcing plate and movable rail bottom surface butt, the extension plate stretches out behind the backup pad, the reinforcing plate can support the movable rail, thereby reduce the pressure that the movable rail was applyed to the fixed rail, reduce the weight that the fixed rail bore, thereby reduce the not hard up condition of fixed rail, and then improve the stability of fixed rail, increase the life of drawer.

The present invention in a preferred example may be further configured to: the driving assembly comprises a first gear, a first rack, a second gear and a second rack, the first rack is fixedly connected with the extension plate, the second rack is fixedly connected with the drawer, the supporting plate is fixedly connected with a fixing plate, the first gear is rotatably connected with the fixing plate and meshed with the first rack, the second gear is rotatably connected with the fixing plate, and the second gear is meshed with the second rack and the first gear simultaneously.

Through adopting above-mentioned technical scheme, second rack and drawer fixed connection, during the pulling drawer, the second rack removes along with the drawer, thereby drive second gear revolve, the first gear revolve of second gear revolve drive, the first rack of first gear revolve drive removes, first rack removes and drives the extension plate and remove, thereby realize the extension plate along with drawer synchronous motion, and the moving direction is the same, when opening the drawer promptly, the extension plate stretches out the backup pad and supports the movable rail, when closing the drawer, the extension plate is located between backup pad and the layer board, thereby guarantee that the drawer can be in the same direction as closing. Thereby can play fine supporting role to the movable rail, and then the stability when increasing the drawer and removing.

The present invention in a preferred example may be further configured to: be connected with the subassembly that slides between extension plate and the layer board, the subassembly that slides includes T-slot and T-block, and the T-slot is seted up at the layer board top surface, and the T-block inlays in the T-slot and T-slot sliding connection, T-block and extension plate fixed connection.

Through adopting above-mentioned technical scheme, when the extension plate removed, the T-shaped piece removed along the T-slot, on the one hand, led the extension plate, stability when increasing the extension plate and removing, on the other hand, when the movable rail was to pressure between the reinforcing plate, can transmit pressure for the layer board through the T-shaped piece to disperse the pressure that receives the extension plate, reduce the condition that the extension plate warp.

The present invention in a preferred example may be further configured to: the bottom surface of the T-shaped block is provided with a roller.

Through adopting above-mentioned technical scheme, the gyro wheel becomes rolling friction with the sliding friction between T-shaped piece and the T-shaped inslot wall, has reduced frictional force, can reduce the wearing and tearing that T-shaped piece and T-shaped groove caused because of the friction, improves the life of extension plate, simultaneously, can be more light when opening or closing the drawer.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the fixed rail is supported and limited by the stabilizing assembly and the limiting assembly, so that on one hand, the supporting plate shares the weight borne by the fixed rail, the loosening condition of the fixed rail is reduced, and the fixed rail is prevented from shaking; on the other hand, the stabilizing assembly limits the fixing vertical direction, and the limiting assembly limits the fixing rail in the horizontal direction, so that the stability of the fixing rail is further improved;

2. strengthen the subassembly through setting up, support the activity rail, on the one hand, reduce the pressure that the activity rail was applyed fixed rail to reduce the weight that fixed rail bore, on the other hand, the activity rail transmits pressure for the layer board, reduces the weight that the backup pad received, makes backup pad and layer board undertake the weight of drawer and drawer load jointly.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partial structural schematic view intended to show a stabilizing assembly.

Fig. 3 is a partial structural schematic view intended to show the reinforcement assembly.

Fig. 4 is a sectional view intended to show a stop assembly, a glide assembly.

Fig. 5 is a partial structural schematic diagram intended to show a driving assembly.

Reference numerals: 1. a cabinet body; 11. a fixed rail; 2. a drawer; 21. a movable rail; 3. a stabilizing assembly; 31. a support plate; 32. a compression plate; 33. a connecting rod; 331. fixing the rod; 3311. locking the bolt; 332. a slide bar; 4. a limiting component; 41. a limiting groove; 42. a limiting block; 5. a reinforcement assembly; 51. a support plate; 511. a connecting plate; 52. an extension plate; 53. a reinforcing plate; 6. a drive assembly; 61. a first gear; 62. a first rack; 621. a fixing plate; 63. a second gear; 64. a second rack; 7. a slipping component; 71. a T-shaped slot; 72. a T-shaped block; 721. a roller; 8. a guide assembly; 81. a guide groove; 82. and a guide block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the stable supporting structure for the drawer slide rail of the furniture disclosed by the invention comprises a fixed rail 11 in bolted connection with a cabinet body 1, a movable rail 21 is slidably connected in the fixed rail 11, the movable rail 21 is in bolted connection with the side surface of a drawer 2, and a stabilizing assembly 3 for supporting the fixed rail 11 is arranged on the cabinet body 1. Drawer 2 is opening or the in-process of closing, and movable rail 21 slides along fixed rail 11, and simultaneously, stabilizing component 3 supports fixed rail 11, increases fixed rail 11's stability, improves the smoothness nature when movable rail 21 removes.

Referring to fig. 2, the stabilizing assembly 3 includes a supporting plate 31, a pressing plate 32 and a connecting rod 33, wherein the supporting plate 31 is horizontally disposed and fixedly connected with the cabinet 1. The length direction of the support plate 31 is the same as the length direction of the fixed rail 11, the support plate 31 is located below the fixed rail 11, and a rubber pad is bonded to the top surface of the fixed rail 11 and abuts against the bottom surface of the fixed rail 11. The connecting rod 33 comprises a fixing rod 331 and a sliding rod 332, the fixing rod 331 is vertically provided with two fixing rods which are respectively positioned at two ends of the supporting plate 31, the bottom end of the fixing rod 331 is fixedly connected with the top surface of the supporting plate 31, the side surface of the fixing rod 331 is fixedly connected with the cabinet body 1, and the top surface of the fixing rod 331 is provided with a vertical sliding groove. Two sliding rods 332 are vertically arranged, the bottom ends of the sliding rods 332 are embedded in the sliding grooves and are in sliding connection with the fixing rods 331, and the top ends of the sliding rods 332 are fixedly connected with the bottom surface of the pressing plate 32. A rubber pad is bonded to the bottom surface of the pressing plate 32, and the rubber pad abuts against the top surface of the fixed rail 11.

Referring to fig. 3, a locking member, which is a locking bolt 3311, is connected between the sliding rod 332 and the fixing rod 331, the locking bolt 3311 is threaded to the cabinet 1 after passing through the fixing rod 331 and the sliding rod 332, and the pressing plate 32 and the support plate 31 are integrally connected, and the pressing plate 32 and the cabinet 1 are integrally connected.

Referring to fig. 4, a limiting component 4 is connected between the top surface of the supporting plate 31 and the bottom surface of the fixed rail 11, the limiting component 4 includes a limiting groove 41 and a limiting block 42, the limiting groove 41 is opened on the bottom surface of the fixed rail 11, the opening faces the supporting plate 31, the limiting groove 41 is opened in a plurality, and the limiting groove is distributed along the length direction of the fixed rail 11. The limiting blocks 42 are arranged in a plurality and are respectively embedded in the limiting grooves 41, and the limiting blocks 42 are fixedly connected with the top surface of the supporting plate 31.

When the fixed rail 11 is installed, firstly, the limiting block 42 is embedded in the limiting groove 41, the position of the fixed rail 11 is positioned, and meanwhile, the fixed rail 11 is limited in the horizontal direction; then, after the fixed rail 11 is bolted to the cabinet 1, the sliding rod 332 is fitted into the sliding groove of the fixed rod 331, and the sliding rod 332 is moved downward so that the pressing plate 32 abuts against the top surface of the fixed rail 11, and then the locking bolt 3311 is screwed to the cabinet 1 after passing through the fixed rod 331 and the sliding rod 332 in sequence, thereby supporting and fixing the fixed rail 11.

Referring back to fig. 3, a reinforcing component 5 for supporting the movable rail 21 is arranged below the supporting plate 31, the reinforcing component 5 comprises a supporting plate 51, an extension plate 52 and a reinforcing plate 53, the supporting plate 51 is horizontally arranged below the supporting plate 31, a gap is reserved between the supporting plate 31 and the supporting plate 51, the supporting plate 51 is fixedly connected with the cabinet body 1, a connecting plate 511 is connected between the supporting plate 51 and the supporting plate 31, the connecting plate 511 is vertically arranged, the bottom end of the connecting plate 511 is fixedly connected with the supporting plate 51, the top end of the connecting plate 511 is fixedly connected with the supporting plate 31, and the side face of the connecting plate 511 is fixedly connected with the cabinet body 1.

Referring to fig. 3, the extension plate 52 is horizontally positioned between the support plate 51 and the support plate 31, the slide module 7 (see fig. 2) is connected to the support plate 51, the reinforcement plate 53 is vertically positioned at one end of the extension plate 52 and is fixedly connected to the extension plate 52, and the top surface of the reinforcement plate 53 abuts against the bottom surface of the movable rail 21 (see fig. 5).

Referring back to fig. 2, the sliding assembly 7 includes a T-shaped groove 71 and a T-shaped block 72, the T-shaped groove 71 is formed on the top surface of the supporting plate 51, the T-shaped block 72 is embedded in the T-shaped groove 71 and slidably connected with the T-shaped groove 71, and the top surface of the T-shaped block 72 is fixedly connected with the bottom surface of the extension plate 52. Referring to fig. 4, a plurality of rollers 721 are installed on the bottom surface of the T-block 72, and are distributed along the length direction of the T-block 72, and the rollers 721 roll along the bottom surface of the T-groove 71. The extension plate 52 is connected to a driving unit 6 (see fig. 5) for driving the extension plate to horizontally move the drawer 2.

When outwards pulling drawer 2, movable rail 21 roll-off fixed rail 11, simultaneously, drive assembly 6 drive extension plate 52 removes along with drawer 2, and T-shaped block 72 slides along T-shaped groove 71 this moment, increases the stability when extension plate 52 removes, and at this moment, reinforcing plate 53 top surface and movable rail 21 bottom surface butt support movable rail 21, increase the stability when movable rail 21 removes, reduce the load that fixed rail 11 bore simultaneously.

Referring to fig. 5, the driving assembly 6 includes a first gear 61, a second gear 63, and a second rack 64, wherein a longitudinal direction of the first rack 62 is the same as a longitudinal direction of the extension board 52, the first rack 62 is fixedly connected to a side surface of the extension board 52, and teeth of the first rack 62 face downward. The bottom surface of the supporting plate 51 is fixedly connected with a vertical fixing plate 621, the first gear 61 is positioned below the first rack 62 and meshed with the first rack 62, the first gear 61 is rotatably connected with the fixing plate 621, the second gear 63 is positioned below the first gear 61 and meshed with the first gear 61, the second gear 63 is rotatably connected with the fixing plate 621, the second rack 64 is horizontally positioned below the second gear 63 and meshed with the second gear 63, the length direction of the second rack 64 is the same as that of the first rack 62, and the second rack 64 is fixedly connected with the side surface of the drawer 2.

Referring back to fig. 2, a guide assembly 8 is disposed between the bottom end of the fixing plate 621 and the second rack 64, the guide assembly 8 includes a guide groove 81 and a guide block 82, the guide groove 81 is horizontally disposed on the side surface of the second rack 64, the guide block 82 is embedded in the guide groove 81 and slidably connected to the guide groove 81, and the guide block 82 is fixedly connected to the fixing plate 621.

When the drawer 2 is pulled, the second rack 64 moves along with the drawer 2, the second rack 64 moves to drive the second gear 63 to rotate, the second gear 63 rotates to drive the first gear 61 to rotate, the first gear 61 is meshed with the first rack 62, so that the first rack 62 is driven to move, the first rack 62 moves to drive the extension plate 52 to move, the drawer 2 and the extension plate 52 move in the same direction at the same time, namely, the extension plate 52 and the movable rail 21 move synchronously, the reinforcing plate 53 is convenient to support the movable rail 21, and the stability of the movable rail 21 is improved.

The implementation principle of the above embodiment is as follows:

when the fixed rail 11 is installed, firstly, the fixed rail 11 is placed on the supporting plate 31, the limiting block 42 is embedded in the limiting groove 41, the fixed rail 11 is positioned, then, after the fixed rail 11 is connected with the cabinet body 1 through bolts, the pressing plate 32 slides downwards to enable the pressing plate to be abutted to the top surface of the fixed rail 11, so that the fixed rail 11 is supported and limited, then, the extension plate 52 is embedded between the supporting plate 31 and the supporting plate 51, the first rack 62 and the first gear 61 on the extension plate 52 are meshed, finally, the movable rail 21 is connected with the drawer 2 through bolts, meanwhile, the second rack 64 and the second gear 63 are meshed, and the fixed rail 11 and the movable rail 21 are supported.

When the drawer 2 is opened, the drawer 2 is pulled outwards, the second rack 64 moves along with the drawer 2, the first rack 62 is driven to move under the transmission of the second gear 63 and the first gear 61, the extension plate 52 is further driven to move along with the drawer 2, the reinforcing plate 53 on the extension plate 52 is convenient to support the movable rail 21, the load borne by the fixed rail 11 is reduced, the stability of the fixed rail 11 is increased, the smoothness of the movement of the movable rail 21 is further improved, and the service life of the drawer 2 is prolonged.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A stable support structure for furniture drawer slide rails, comprising a fixed rail (11) fixed on a cabinet body (1), a movable rail (21) is slidably connected in the fixed rail (11), and the movable rail (21) is connected with The drawer (2) is fixedly connected, and is characterized in that: the cabinet body (1) is provided with a stabilizing component (3) supporting the fixed rail (11), and the stabilizing component (3) includes a supporting plate (31) and a pressing plate (32) and the connecting rod (33), the support plate (31) is fixedly connected with the cabinet (1), the top surface is in contact with the bottom surface of the fixed rail (11), one end of the connecting rod (33) is connected with the support plate (31), and the other end It is connected with the pressing plate (32), the bottom surface of the pressing plate (32) is in contact with the top surface of the fixed rail (11), and a limit assembly ( 4); the connecting rod (33) includes a fixed rod (331) and a sliding rod (332), one end of the sliding rod (332) is fixedly connected with the pressing plate (32), and the other end is inserted into the fixed rod (331) to connect with the fixed rod (331) Sliding connection, a locking piece is connected between the fixing rod (331) and the sliding rod (332), and one end of the fixing rod (331) away from the sliding rod (332) is fixedly connected with the support plate (31).

2. The stable support structure of a furniture drawer slide rail according to claim 1, wherein the locking member is a locking bolt (3311), the locking bolt (3311), a fixing rod (331), a sliding rod (332) Threaded connection.

3. A stable support structure for furniture drawer slide rails according to claim 1, characterized in that: the limit component (4) comprises a limit groove (41) and a limit block (42), and the limit groove (41) ) is opened on the bottom surface of the fixed rail (11), the opening faces the support plate (31), and the limit block (42) is embedded in the limit groove (41) and fixedly connected to the top surface of the support plate (31).

4. A stable support structure for furniture drawer slides according to claim 1, characterized in that: a reinforcement assembly (5) is provided below the support plate (31), and the reinforcement assembly (5) comprises a support plate (51) , an extension board (52) and a reinforcement board (53), the support board (51) is located below the support board (31) and is fixedly connected to the cabinet (1), and the extension board (52) is located between the support board (51) and the support board ( 31), slidingly connected with the supporting plate (51) and the supporting plate (31), the reinforcing plate (53) is fixedly connected with one end of the extension plate (52), the top surface of the reinforcing plate (53) and the bottom surface of the movable rail (21) Abutting, the extension plate (52) is connected with a driving assembly (6) that drives the reinforcing plate (53) to slide.

5. A stable support structure for furniture drawer slide rails according to claim 4, wherein the drive assembly (6) comprises a first gear (61), a first rack (62), a second gear (63) ) and the second rack (64), the first rack (62) is fixedly connected with the extension plate (52), the second rack (64) is fixedly connected with the drawer (2), and the support plate (51) is fixedly connected with a The fixing plate (621), the first gear (61) is rotatably connected with the fixing plate (621), and meshes with the first rack (62), the second gear (63) is rotatably connected with the fixing plate (621), and the second gear (63) meshes with the second rack (64) and the first gear (61) at the same time.

6. A stable support structure for furniture drawer slide rails according to claim 4, characterized in that: a sliding assembly (7) is connected between the extension plate (52) and the supporting plate (51), and the sliding assembly ( 7) It includes a T-shaped groove (71) and a T-shaped block (72). The T-shaped groove (71) is opened on the top surface of the support plate (51), and the T-shaped block (72) is embedded in the T-shaped groove (71) and the T-shaped groove (71). The groove (71) is slidably connected, and the T-shaped block (72) is fixedly connected with the extension plate (52).

7 . The stable support structure for furniture drawer slide rails according to claim 6 , wherein a roller ( 721 ) is installed on the bottom surface of the T-shaped block ( 72 ). 8 .