CN210471524U - Electric drawer slide rail - Google Patents

Abstract

The utility model relates to a slide rail technical field, it discloses an electronic drawer slide rail, slide rail set spare including a pair of parallel and interval setting and connect link assembly between a pair of slide rail set spare, slide rail set spare includes the guide rail seat, installs fixed guide, sliding connection on the guide rail seat are in sliding guide on the fixed guide, install rack on the guide rail seat, link assembly includes the connecting rod axle and sets up the linkage gear at connecting rod axle both ends, the linkage gear rotates and sets up sliding guide go up and with rack mesh sliding guide is last still to be fixed with a support, install a motor drive's reduction gears on the support, reduction gears's output shaft drives the connecting rod axle rotates together. The utility model realizes the dual-purpose functions of electric push-pull and manual push-pull of the drawer.

Description

Electric drawer slide rail

Technical Field

The utility model relates to a slide rail technical field, concretely relates to electronic drawer slide rail.

Background

A sliding rail is a connecting member for realizing the linear movement of an appliance, and is commonly used on various drawers (such as refrigerator drawers and the like) to realize the sliding connection between the drawer and a cabinet body. According to different use occasions, the sliding rail can be designed into different structures such as two sections of sliding rails, three sections of sliding rails and the like. The two sliding rails comprise fixed sliding rails and movable sliding rails connected with the fixed sliding rails; the three-section slide rail is formed by superposing a section of movable slide rail on the basis of two sections of slide rails so as to extend the movable range of the drawer.

In the prior art, the drawer provided with the sliding rail is mostly operated manually, that is, the drawer is opened or closed by pulling or pushing manually. The disadvantages are that: for a large drawer or under the condition that the weight of the built-in articles in the drawer is heavy, the force required for pushing and pulling the drawer is large, and the operation is laborious.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an electronic drawer slide rail aims at realizing the electronic push-and-pull function of drawer, realizes the electronic push-and-pull of drawer and manual push-and-pull's dual-purpose function simultaneously. The specific technical scheme is as follows:

the utility model provides an electric drawer slide rail, includes slide rail set spare that a pair of parallel and interval set up and connects link assembly between a pair of slide rail set spare, slide rail set spare includes the guide rail seat, installs fixed guide, sliding connection on the guide rail seat are in sliding guide on the fixed guide, install rack on the guide rail seat, link assembly includes the connecting rod axle and sets up the linkage gear at connecting rod axle both ends, the linkage gear rotates and sets up sliding guide go up and with rack mesh mutually sliding guide is last still to be fixed with a support, install a motor drive's reduction gears on the support, reduction gears's output shaft drives the connecting rod axle rotates together.

When the drawer slide rail is installed, a push button and a pull button can be arranged on the front face of the drawer, and a control line of the push button and the pull button is connected to a control circuit board of the motor.

During operation, the motor can be driven to rotate only by pressing the push button and the pull button, the rotation of the motor enables the output shaft of the speed reducing mechanism to rotate, the output shaft drives the linkage gears at the two ends of the connecting rod assembly to rotate, and the linkage gears are meshed with the racks, so that the electric opening or closing of the drawer can be realized, and the problem that the large drawer is difficult to push and pull is solved.

Furthermore, the utility model discloses an increased motor drive's reduction gears on the basis of original synchronous slide rail, its reduction gears structure and linking bridge structure through special design have realized that reduction gears's inlay formula is connected, and this kind of connection structure not only makes the drawer have electronic push-and-pull function, has still kept original manual push-and-pull function to electronic push-and-pull and manual push-and-pull's dual-purpose function has been realized.

Preferably, the speed reducing mechanism is a speed reducing gear box component, the speed reducing gear box component comprises a box body, the box body is fixed on the support, and a shell of the motor is fixed on the box body.

Preferably, the reduction gear box component further comprises a transmission gear set arranged in the box body, and the transmission gear set comprises a first gear arranged on a motor shaft, a second large gear and a second small gear which are rotatably arranged on the box body, a third large gear and a third small gear which are rotatably arranged on the box body, and a fourth gear arranged on the output shaft; the second gearwheel is fixedly connected with the second pinion in an integrated manner, and the third gearwheel is fixedly connected with the third pinion in an integrated manner; the first gear is meshed with the second gearwheel, the second pinion is meshed with the third gearwheel, and the third pinion is meshed with the fourth gear.

Preferably, the output shaft of the speed reducing mechanism is a hollow output shaft, and the hollow output shaft is sleeved on the connecting rod shaft to drive the connecting rod shaft to rotate together; and a key connection structure for transmitting torque is arranged between the connecting rod shaft and the output shaft.

Preferably, one end of the bracket is provided with an opening groove body connected with the sliding guide rail, and an opening part of the opening groove body is buckled on the sliding guide rail and is fixed with the sliding guide rail through a connecting piece; wherein, the connecting piece is one of a pin, a screw and a rivet.

Preferably, the other end of the support is provided with a box body connecting plate, and the box body is fixed on the box body connecting plate.

Preferably, a hollow portion is provided at a position of a joint surface between the case and the case connecting plate, and the hollow portions of the case and the case connecting plate are penetrated by the output shaft to form a compact mounting structure between the reduction gear case member and the link assembly.

The hollow part structure of the box body and the box body connecting plate enables the reduction gear box component to be more compact in structure and more convenient to install, the hollow output shaft is sleeved on the connecting rod shaft in a sleeved mode, and therefore the modular assembly of the reduction gear box component and the connecting rod assembly can be achieved, and the reduction gear box component and the connecting rod assembly serve as a preassembled module and can be connected with the sliding rail assembly very conveniently. Thereby greatly facilitating the final assembly of subsequent drawer slides.

Preferably, the support still including connect in the opening cell body with the backup pad between the box connecting plate, the backup pad with the junction of an lateral surface of opening cell body forms first bight, the backup pad with the junction of box connecting plate forms second bight, and first bight, second bight all the punching press fluted.

Compared with the conventional support with reinforcing ribs specially arranged, the support is lower in cost on one hand and greatly enhances the rigidity of the support on the other hand, so that the stability and reliability of electric push-pull are improved.

Preferably, an opening is formed in one end, back to the box body connecting plate, of the box body, and a cover plate is arranged at the opening.

The cover plate is detachably arranged so as to facilitate the installation of the gears in the box body.

Preferably, a flange used for being connected with the sliding guide rail in a rotating mode is arranged on one face, facing the sliding guide rail, of the linkage gear, a flange connecting portion used for being connected with the flange in a rotating and matching mode is arranged on the sliding guide rail, the flange connecting portion comprises a U-shaped clamping groove and an elastic limiting clamping hook arranged on one side of a U-shaped opening end of the U-shaped clamping groove, and the flange is inserted into the U-shaped clamping groove from one side of the U-shaped opening end of the U-shaped clamping groove and limited between the U-shaped clamping groove and the elastic limiting clamping hook.

The U-shaped clamping groove connected with the flange of the linkage gear is formed in the flange connecting part of the sliding guide rail, so that the connecting rod assembly and the sliding rail assembly can be quickly inserted and connected; the flange is completely limited in the U-shaped clamping groove due to the arrangement of the elastic limiting clamping hook, so that reliable relative rotation connection between the flange and the U-shaped clamping groove is realized. In addition, the elastic limiting clamping hook has elasticity, so that the flange can be opened through elastic deformation when being assembled into the U-shaped clamping groove, the flange smoothly enters the U-shaped clamping groove, and the head clamping hook of the elastic limiting clamping hook restores to the original position due to the elastic resetting effect of the elastic limiting clamping hook after the flange enters the U-shaped clamping groove, so that the flange is reliably limited. The structure improves the convenience of the general assembly of the electric sliding rail and the efficiency of the general assembly, and realizes the quick general assembly of the electric sliding rail.

The utility model has the advantages that:

first, the utility model discloses an electronic drawer slide rail has increased motor drive's reduction gears on the basis of original synchronous slide rail, and its reduction gears structure and linking bridge structure through special design have realized reduction gears's embedded connection, and this kind of connection structure not only makes the drawer have electronic push-and-pull function, has still remain original manual push-and-pull function to the dual-purpose function of electronic push-and-pull and manual push-and-pull has been realized.

Second, the utility model discloses an electric drawer slide rail, the well hollow structure of box and box connecting plate for the structure of reduction gear box part is compacter, the installation is more convenient, and hollow output shaft is the overcoat on the connecting rod axle, consequently can realize the modular assembly of reduction gear box part and link assembly, and reduction gear box part and link assembly are connected with slide rail set spare as a module of pre-installation, that can be very convenient. Thereby greatly facilitating the final assembly of subsequent drawer slides.

Third, the utility model discloses an electronic drawer slide rail, the setting of punching press recess on first bight, the second bight on the support compares the support that the conventional set up the strengthening rib specially, and the cost is lower in the one side of it, and on the other hand has strengthened the rigidity of support itself greatly to electronic push-and-pull's stability and reliability have been improved.

Fourthly, the electric drawer slide rail of the utility model can realize the rapid insertion of the connecting rod assembly and the slide rail assembly by arranging the U-shaped clamping groove connected with the flange of the linkage gear at the flange connecting part of the slide rail; the flange is completely limited in the U-shaped clamping groove due to the arrangement of the elastic limiting clamping hook, so that reliable relative rotation connection between the flange and the U-shaped clamping groove is realized. In addition, the elastic limiting clamping hook has elasticity, so that the flange can be opened through elastic deformation when being assembled into the U-shaped clamping groove, the flange smoothly enters the U-shaped clamping groove, and the head clamping hook of the elastic limiting clamping hook restores to the original position due to the elastic resetting effect of the elastic limiting clamping hook after the flange enters the U-shaped clamping groove, so that the flange is reliably limited. The structure improves the convenience of the general assembly of the electric sliding rail and the efficiency of the general assembly, and realizes the quick general assembly of the electric sliding rail.

Drawings

Fig. 1 is a schematic structural view of an electric drawer slide of the present invention;

FIG. 2 is an enlarged partial view of FIG. 1;

FIG. 3 is a block diagram of the internal gearing of the housing of the reduction gearbox assembly of FIG. 2 with the cover removed;

FIG. 4 is a schematic structural view of a stent;

FIG. 5 is a schematic view of the coupling construction;

fig. 6 is a schematic view of a structure in which a flange connecting portion is provided on the slide rail.

In the figure: 00. the sliding rail assembly comprises a sliding rail assembly, 01, a guide rail seat, 02, a connecting rod assembly, 03, a fixed guide rail, 04, a sliding guide rail, 05, a rack, 06, a connecting rod shaft, 07, a linkage gear, 08, a support, 09, a motor, 10, an output shaft, 11, a speed reducing mechanism (a speed reducing gear box component), 12, a box body, 13, a first gear, 14, a second large gear, 15, a second small gear, 16, a third large gear, 17, a third small gear, 18, a fourth gear, 19, a key, 20, an opening groove body, 21, a connecting piece, 22, a box body connecting plate, 23, a hollow part, 24, a supporting plate, 25, a first corner part, 26, a second corner part, 27, a groove, 28, a cover plate, 29, a flange, 30, a flange connecting part, 31, a U-shaped clamping groove, 32.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 6, an embodiment of a power-driven drawer slide according to the present invention includes a pair of slide assemblies 00 disposed in parallel and spaced apart from each other and a connecting rod assembly 02 connected between the pair of slide assemblies 00, the slide rail assembly 00 comprises a guide rail seat 01, a fixed guide rail 03 arranged on the guide rail seat 01, a slide guide rail 04 connected on the fixed guide rail 03 in a sliding way, and a rack 05 arranged on the guide rail seat 01, the connecting rod assembly 02 includes a connecting rod shaft 06 and linkage gears 07 arranged at both ends of the connecting rod shaft 06, the linkage gear 07 is rotatably arranged on the sliding guide rail 04 and meshed with the rack 05, a bracket 08 is further fixed on the sliding guide rail 04, a speed reducing mechanism 11 driven by a motor 09 is mounted on the bracket 08, and an output shaft of the speed reducing mechanism 11 drives the connecting rod shaft 06 to rotate together.

When the drawer slide rail is installed, a push button and a pull button can be arranged on the front face of the drawer, and a control line of the push button and the pull button is connected to a control circuit board of the motor 09.

During operation, the motor 09 can be driven to rotate only by pressing the push button and the pull button, the output shaft 10 of the speed reducing mechanism 11 is driven to rotate by the rotation of the motor 09, the output shaft 10 drives the linkage gears 07 at the two ends of the connecting rod assembly 02 to rotate, and the linkage gears 07 are meshed with the rack 05, so that the drawer can be electrically opened or closed, and the problem that the large drawer is difficult to push and pull is solved.

Furthermore, the utility model discloses an increased motor 09 driven reduction gears 11 on the basis of original synchronous slide rail, its 11 structures of reduction gears and linking bridge 08 structure through special design have realized the embedded connection of reduction gears 11, and this kind of connection structure not only makes the drawer have electronic push-and-pull function, has still remain original manual push-and-pull function to the dual-purpose function of electronic push-and-pull and manual push-and-pull has been realized.

Preferably, the speed reducing mechanism 11 is a speed reducing gear box component 11, the speed reducing gear box component 11 includes a box body 12, the box body 12 is fixed on the bracket 08, and the casing of the motor 09 is fixed on the box body 12.

Preferably, the reduction gear box component 11 further comprises a transmission gear set arranged in the box body 12, wherein the transmission gear set comprises a first gear 13 arranged on the shaft of the motor 09, a second gearwheel 14 and a second pinion 15 rotatably arranged on the box body 12, a third gearwheel 16 and a third pinion 17 rotatably arranged on the box body 12, and a fourth gear 18 arranged on the output shaft 10; the second gearwheel 14 and the second pinion 15 are fixedly connected integrally, and the third gearwheel 16 and the third pinion 17 are fixedly connected integrally; wherein the first gear 13 is engaged with the second gearwheel 14, the second pinion 15 is engaged with the third gearwheel 16, and the third pinion 17 is engaged with the fourth gear 18.

Preferably, the output shaft 10 of the speed reducing mechanism 11 is a hollow output shaft, and the hollow output shaft is sleeved on the connecting rod shaft 06 to drive the connecting rod shaft 06 to rotate together; a key 19 connection structure for transmitting torque is provided between the link shaft 06 and the output shaft 10.

Preferably, one end of the bracket 08 is provided with an opening groove 20 connected with the sliding guide rail 04, and an opening part of the opening groove 20 is buckled on the sliding guide rail 04 and is fixed with the sliding guide rail 04 through a connecting piece 21; wherein, the coupling member 21 is one of a pin, a screw and a rivet.

Preferably, the other end of the bracket 08 is provided with a box connecting plate 22, and the box 12 is fixed on the box connecting plate 22.

Preferably, a hollow portion 23 is provided at a position of a coupling surface between the case 12 and the case coupling plate 22, and the hollow portions of the case 12 and the case coupling plate 22 are penetrated by the output shaft 10 to form a compact mounting structure between the reduction gear box part 11 and the link assembly 02.

The hollow part 23 structure of the box body 12 and the box body connecting plate 22 enables the reduction gear box part 11 to be more compact in structure and more convenient to install, the hollow output shaft 10 is sleeved outside the connecting rod shaft 06, and therefore modular assembly of the reduction gear box part 11 and the connecting rod assembly 02 can be achieved, and the reduction gear box part 11 and the connecting rod assembly 02 serve as a preassembled module and can be conveniently connected with the slide rail assembly 00. Thereby greatly facilitating the final assembly of subsequent drawer slides.

Preferably, the bracket 08 further comprises a supporting plate 24 connected between the opening groove 20 and the box body connecting plate 22, a first corner 25 is formed at a joint of the supporting plate 24 and one outer side surface of the opening groove 20, a second corner 26 is formed at a joint of the supporting plate 24 and the box body connecting plate 22, and a groove 27 is punched in each of the first corner 25 and the second corner 26.

Compared with the conventional bracket specially provided with reinforcing ribs, the arrangement of the stamping grooves 27 on the first corner part 25 and the second corner part 26 on the bracket 08 has the advantages that the cost is lower on one hand, and the rigidity of the bracket 08 per se is greatly enhanced on the other hand, so that the stability and the reliability of electric push-pull are improved.

Preferably, an opening is provided at an end of the box body 12 facing away from the box body connection plate 22, and a cover plate 28 is provided at the opening.

The cover 28 is removably disposed to facilitate mounting of the gears within the housing 12.

Preferably, a flange 29 used for being rotatably connected with the sliding guide rail 04 is arranged on one surface of the linkage gear 07 facing the sliding guide rail 04, a flange connecting portion 30 used for being rotatably matched and connected with the flange 29 is arranged on the sliding guide rail 04, the flange connecting portion 30 comprises a U-shaped clamping groove 31 and an elastic limiting hook 32 arranged at one side of a U-shaped opening end of the U-shaped clamping groove 31, and the flange 29 is inserted into the U-shaped clamping groove 31 from one side of the U-shaped opening end of the U-shaped clamping groove 31 and is limited between the U-shaped clamping groove 31 and the elastic limiting hook 32.

The U-shaped clamping groove 31 connected with the flange 29 of the linkage gear 07 is arranged on the flange connecting part 30 of the sliding guide rail 04, so that the connecting rod assembly 02 can be quickly inserted into the sliding rail assembly 00; the elastic limit hook 32 is arranged to completely limit the flange in the U-shaped slot 31, so that reliable relative rotation connection between the flange 29 and the U-shaped slot 31 is realized. In addition, the elastic limit hook 32 has elasticity, so that when the flange 29 is assembled in the U-shaped clamping groove 31, the flange 29 can be separated through elastic deformation, the flange 29 smoothly enters the U-shaped clamping groove 31, and after the flange 29 enters the U-shaped clamping groove 31, the head hook of the elastic limit hook 32 is restored to the original position due to the elastic resetting effect of the elastic limit hook 32, so that the flange 29 is reliably limited. The structure improves the convenience of the general assembly of the electric sliding rail and the efficiency of the general assembly, and realizes the quick general assembly of the electric sliding rail.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an electric drawer slide rail, its characterized in that includes the slide rail set spare that a pair of parallel and interval set up and connects link assembly between a pair of slide rail set spare, slide rail set spare includes the guide rail seat, installs fixed guide, sliding guide on the guide rail seat are in sliding guide, install rack on the guide rail seat, link assembly includes the connecting rod axle and sets up the linkage gear at connecting rod axle both ends, the linkage gear rotates and sets up sliding guide go up and with rack mesh mutually sliding guide is last still to be fixed with a support, install a motor drive's reduction gears on the support, reduction gears's output shaft drives the connecting rod axle rotates together.

2. A power drawer slide according to claim 1 wherein the reduction mechanism is a reduction gear box assembly comprising a box secured to the frame and the motor housing is secured to the box.

3. The power drawer slide of claim 2, wherein the reduction gear box assembly further comprises a transmission gear set disposed within the box body, the transmission gear set comprising a first gear disposed on a shaft of the motor, a second bull gear and a second pinion gear rotatably disposed on the box body, a third bull gear and a third pinion gear rotatably disposed on the box body, a fourth gear disposed on the output shaft; the second gearwheel is fixedly connected with the second pinion in an integrated manner, and the third gearwheel is fixedly connected with the third pinion in an integrated manner; the first gear is meshed with the second gearwheel, the second pinion is meshed with the third gearwheel, and the third pinion is meshed with the fourth gear.

4. The electric drawer slide rail of claim 1, wherein the output shaft of the speed reducing mechanism is a hollow output shaft, and the hollow output shaft is sleeved on the connecting rod shaft to drive the connecting rod shaft to rotate together; and a key connection structure for transmitting torque is arranged between the connecting rod shaft and the output shaft.

5. The electric drawer sliding rail according to claim 2, wherein one end of the bracket is provided with an open groove body connected with the sliding guide rail, and an opening part of the open groove body is buckled on the sliding guide rail and is fixed with the sliding guide rail through a connecting piece; wherein, the connecting piece is one of a pin, a screw and a rivet.

6. The electric drawer slide of claim 5, wherein the other end of the bracket is provided with a box connecting plate, and the box is fixed on the box connecting plate.

7. An electric drawer slide according to claim 6, wherein a hollow portion is provided at a position of a coupling surface of the box body and the box body coupling plate, and the hollow portions of the box body and the box body coupling plate are penetrated by the output shaft to form a compact mounting structure between the reduction gear box member and the link assembly.

8. The electric drawer sliding rail according to claim 6, wherein the bracket further comprises a supporting plate connected between the opening groove and the box body connecting plate, a first corner is formed at the joint of the supporting plate and one outer side surface of the opening groove, a second corner is formed at the joint of the supporting plate and the box body connecting plate, and grooves are punched in the first corner and the second corner.

9. The sliding track of claim 6, wherein an opening is provided at an end of the box body facing away from the connecting plate of the box body, and a cover plate is provided at the opening.

10. The electric drawer slide rail of claim 1, wherein a flange for rotationally connecting with the slide rail is disposed on the face of the linkage gear facing the slide rail, a flange connecting portion for rotationally connecting with the flange is disposed on the slide rail, the flange connecting portion includes a U-shaped slot and an elastic limit hook disposed at one side of a U-shaped opening end of the U-shaped slot, and the flange is inserted into the U-shaped slot from one side of the U-shaped opening end of the U-shaped slot and is limited between the U-shaped slot and the elastic limit hook.

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