ES1303402U - Furniture drive and control device having an adjustable load capacity over a wide range - Google Patents

Abstract

Furniture drive and control device having a load capacity adjustable over a wide range, comprising a drive device for moving a door panel of a piece of furniture, wherein the drive device comprises a drive base (1) which is installed in a box of the furniture piece, a hinge assembly (2) to rotate the door panel, a spring assembly (3) to supply power and an adjustment mechanism (4) to adjust the power; and wherein the adjusting mechanism (4) is configured to be installed on the drive base (1) by rotating through a positioning rivet (5), the adjusting mechanism (4) is provided with an upper part of the lever (b) and a lower part of the lever (a) which swing in the shape of a lever and which are formed with the positioning rivet (5) as an axis point, an upper part of the upper part of the lever ( b) is connected to the joint assembly (2), the adjustment mechanism (4) is provided with a slider (6) to adjust a length of the lower part of the lever (a), the slider (6) is connected sliding manner to a lower part of the lower part of the lever (a), one end of the spring assembly (3) is located and connected to the drive base (1) and another end of the spring assembly (3) is connected rotationally to the slide (6).

Description

DESCRIPTION

Furniture drive and control device having an adjustable load capacity over a wide range

Technical field

The present invention relates to the technical field of furniture hinges, in particular, to a furniture drive and control device having an adjustable load capacity over a wide range.

Background

A furniture hinge, especially a top flap hinge, is primarily used for the installation and connection of a box and to a door panel. The top flap hinge is equipped with a drive device that actuates the door panel to move.

Currently, a Chinese patent document No. CN103477011B discloses a drive device that moves a leaf door of a furniture. The patent discloses that an operating drive device includes at least one operating arm, a spring mechanism, and an adjustment mechanism. The at least one operating arm supports the leaf door so that it can move and rotate. The spring mechanism applies a torque to the operating arm in an opening direction. The adjustment mechanism has an adjustment bolt with a thread. The torque applied to the operating arm by the spring mechanism can be adjusted by rotating the adjusting bolt. The adjusting bolt has a bolt shank. A nut can be adjusted along the bolt shank by means of rotational movement of the adjusting bolt. The adjusting bolt has a locking mechanism separate from the thread. The locking mechanism Prevents involuntary rotational movement of the adjusting bolt. In this way, the adjusting bolt and nut of the above structure cooperate to achieve the production of different moments of the unified device.

Summary

Technical problems

However, the operating drive device of the above structure has the following shortcomings in practical operation:

(1) The adjustment device of the above structure has a complex structure, and the cooperation between the device and the operating arm requires high precision. Otherwise, it is easy to freeze the operating arm, reduce transmission performance, and even affect the normal operation of the door panel.

(2) In the above structure adjusting device, when the adjusting bolt is manually adjusted, the nut can move along the bolt rod. Therefore, the position of an action point of the spring mechanism is changed relative to the axis of rotation of a drive lever, and the action point of the spring mechanism is indirectly adjusted. The adjustment range is small, making it difficult to apply the adjustment device to furniture that has a load capacity adjustable in a wide range. This adjustment device has limitations in use.

Solutions to problems

Technical solutions

The present invention aims to overcome the deficiencies of the existing art and provides a furniture drive and control device that has an adjustable load capacity over a wide range. The device can directly adjust the lever force ratio to change the output force of a spring and adapts to the load changes of different door panels. In addition, the device has wide applicability, simple structure and high stability, thus ensuring the normal operation of door panels.

The purpose of the present invention is achieved as follows: A furniture driving and control device having an adjustable load capacity over a wide range includes a driving device for moving a door panel of a piece of furniture. The drive device includes a drive base to be installed in a box, a linkage assembly for rotating the door panel, a spring assembly for providing power, and an adjustment mechanism for adjusting the output. The adjusting mechanism is configured to be installed into the drive base by rotating via a positioning rivet. The adjusting mechanism, with the positioning rivet as an axis point, forms an upper lever part and a lower lever part with a lever-type swing. An upper part of the upper part of the lever is connected to the link assembly. A slider for adjusting the length of the bottom of the lever is provided in the adjustment mechanism. The slide is slidably connected to the bottom of the lever bottom. One end of the spring assembly is located and connected to the drive base. Another end of the spring assembly is rotationally connected to the slider.

Regarding the optimization of the above structure, the adjustment mechanism includes a moment arm, a support block, a ratchet and a movable shaft. The moment arm is rotationally connected to the drive base through the positioning rivet. An upper part of the moment arm is connected to the linkage assembly. The support block is installed at a lower part of the moment arm.

The ratchet is rotationally connected to the support block. The moving shaft is threaded connected to the ratchet. The ratchet is set to rotate and make the moving shaft move back and forth. The slider is installed on the moving shaft and is configured to move back and forth according to the moving shaft.

With respect to the optimization of the above structure, a positioning card slot is provided in the supporting block. One end of the ratchet is held in the positioning card slot.

Regarding the optimization of the above structure, the support block is installed at the bottom of the moment arm through an installation pin.

Regarding the optimization of the above structure, a limit pin is installed on the moment arm to allow directional rotation of the ratchet. The limit pin is installed in the moment arm between the pawl and slide.

With respect to the optimization of the above structure, a guide channel is arranged on two sides of the bottom of the moment arm. Two sides of the slide are provided with a directional protuberance that coincides with the guide channel.

Regarding the optimization of the above structure, on two sides of the moment arm there are open through holes for rotating the ratchet.

With respect to the optimization of the above structure, an installation sleeve is provided on the drive base. The installation sleeve is provided with a damping cylinder and an adjusting wheel for adjusting a damping force of the damping cylinder. The damper cylinder is installed so that it can slide into the installation sleeve. One end of the installation sleeve is threaded connected to the adjusting wheel. The adjustment wheel is located and connected to a rod shock absorber cylinder thrust. The link assembly is folded in the drive base and interferes with the shock cylinder.

With respect to the optimization of the above structure, a lower end of the moment arm is provided with an angle adjustment wheel for adjusting an oscillation range. One end of the angle adjustment wheel is positioned and rotationally connected to a bottom portion of the drive base. Another end of the angle adjustment wheel is threaded connected to the moment arm.

Beneficial effect of the present invention

Beneficial effect

The advantages of the present invention are the following:

(1) The position of the slide is adjusted in such a way that the length of the bottom of the lever can be adjusted, thereby adjusting the ratio of the lever force of the adjusting mechanism to change the output force of the slide assembly. dock. In this way, the load changes of the different door panels are satisfied. The operation is simple, and the applicability is high.

(2) With the structural cooperation of the moment arm, support block, ratchet, movable shaft and adjusting mechanism slider, the movable position of the slider can be adjusted by rotating the ratchet. The structure is simple, the adjustment stability is high, and the load adjustment effect of the door panel is guaranteed.

(3) With the cooperation of the angle adjustment wheel structure, the swing range of the adjustment mechanism is effectively adjusted, and the ratio of the moment arm lever and the load of the panel is further adjusted of door. Therefore, the device Trim can be applied to heavily loaded door panels.

(4) Under the effect of the shock-absorbing cylinder, the shock-absorbing effect is improved, the noise caused by impact is reduced, and the service life of the door panels is extended.

Brief description of the drawings

Description of the drawings

FIG. 1 is a view illustrating the structure of a preferred embodiment of the present invention.

FIG. 2 is a view illustrating the structure of a drive device according to a preferred embodiment of the present invention.

FIG. 3 is a view illustrating the structure of an adjustment mechanism according to a preferred embodiment of the present invention.

FIG. 4 is a view illustrating the structure of an adjustment mechanism according to a preferred embodiment of the present invention. (A local moment arm has been removed)

FIG. 5 illustrates the exploded view of an adjustment mechanism according to a preferred embodiment of the present invention.

Best embodiment of the present invention

Best application of the present invention

The present invention is described in detail below together with the drawings.

As shown in FIGS. 1 to 5, a furniture driving and control device having an adjustable load capacity in a wide range of the present invention includes a driving device for moving a door panel of a piece of furniture. The drive device includes a drive base 1 installed in a box, a hinge assembly 2 for rotating the door panel, a spring assembly 3 for providing power, and an adjustment mechanism 4 for adjusting the power. The adjusting mechanism 4 is configured to be installed on the drive base 1 by rotation through a positioning rivet 5. The adjusting mechanism 4, with the positioning rivet 5 as an axis point, forms an upper part of the lever b and a lower part of lever a with a lever-type oscillation. An upper part of the upper part of the lever b is connected to the joint assembly 2. A slider 6 is arranged in the adjusting mechanism 4 for adjusting the length of the lower part of the lever a. The slider 6 is slidably connected to a lower part of the lower part of the lever a. One end of the spring assembly 3 is located and connected to the drive base 1. Another end of the spring assembly 3 is rotationally connected to the slider 6.

The position of the slide is adjusted so that the length of the lower part of lever a can be adjusted, and then the ratio between the leverage of the upper part of lever b and that of the lower part is adjusted of the lever a in the adjusting mechanism to change the output force of the spring assembly 3. In this way, the load changes of different door panels are satisfied. The operation is simple and the applicability is high.

Referring in more detail to FIGS. 1 to 3, the adjusting mechanism 4 includes a moment arm 41, a support block 42, a ratchet 43 and a moving shaft 44. The moment arm 4 is rotationally connected to the drive base 1 through the positioning rivet 5. An upper part of the moment arm 41 is connected to the hinge assembly 2. The support block 42 is installed at a lower part of the moment arm 41. The ratchet 43 is rotationally connected to the support block 42. The moving shaft 44 is threaded connected to the ratchet 43. The ratchet 43 is configured to rotate and move the moving shaft 44 back and forth. The slider 6 is installed on the moving shaft 44 and is configured to accordingly move forward and backward together with the moving shaft 44. That is, the slider 6 is installed on the moving shaft 44, the slider 6 and the moving shaft 44 can rotate mutually and the slider 6 cannot move alone, but can move together with the moving shaft 44. The spring assembly 3 can rotate correspondingly on the slider 6. The connection structure is simple and stable.

During this period, a positioning card slot 45 is arranged in the support block 42. One end of the ratchet 43 is clamped in the positioning card slot 45. The support block 42 is installed at the bottom of the arm of moment 41 through an installation pin 46. A limit pin 47 to allow directional rotation of the pawl 43 is installed in the moment arm 41. The limit pin 47 is installed in the moment arm 41 between the pawl 43 and the slider 6. This prevents the ratchet 43 from loosening, improves structural stability, and ensures adjustment of the loading performance of the door panels.

Since the ratchet 43, under the position limiting effect of the supporting block 42 and the limit pin 47, can only rotate, the ratchet 43 rotates to drive the movable shaft 44 to move back and forth, and the slider 6 It moves back and forth correspondingly, to change the value of the bottom of the a, and as a result, the relationship between the top of the lever b and the bottom of the lever a is changed. In this way, with the structural cooperation of the moment arm 41, the support block 42, the ratchet 43, the moving shaft 44 and the slider 6 of the adjusting mechanism, the output force of the spring assembly 3 is changed. In this way, the load changes of the different door panels are satisfied. In addition, the structure is simple, and the stability is high, thus ensuring the quality of the door panels.

A guide channel 48 is arranged on two sides of the lower part of the arm 41. Two sides of the slider 6 are provided with a directional protuberance 49 coinciding with the guide channel 48. This improves the stability of adjustment and its accuracy is guaranteed.

Furthermore, on two sides of the moment arm 41 there are open through holes 410 for rotating the ratchet 43. It is simple to operate and normal use of the door panels is guaranteed.

Referring to FIGS. 1 to 5, a lower end of the moment arm 41 is provided with an angle adjustment wheel 10 for adjusting an oscillation range. One end of the angle adjustment wheel 10 is located and rotationally connected to a lower part of the drive base 1. Another end of the angle adjustment wheel 10 is connected by threading to the moment arm 41. With the Cooperation of the structure of the angle adjustment wheel 10, the swing range of the adjustment mechanism 4 is effectively adjusted, and the relationship between the moment arm lever 41 and the load of the door panel is further adjusted. Therefore, the adjusting device can be applied to heavily loaded door panels.

Referring to FIGS. 1 to 5, an installation sleeve 7 is arranged on the drive base 1. The installation sleeve 7 is provided with a damping cylinder 8 and an adjusting wheel 9 for adjusting a damping force of the damping cylinder 8. The Damping cylinder 8 is slidably installed in the installation sleeve 7. The damping cylinder 8 is slidably installed in the installation sleeve 7. One of the ends of the installation sleeve 7 is connected by threading to the adjusting wheel 9. The adjusting wheel 9 is located and connected to a push rod of the shock absorber cylinder 8. The joint assembly 2 is folded in the drive base 1 and interferes with the shock absorber cylinder 8. Under the effect of the cylinder 8 shock absorber, the cushioning effect is improved, the life is prolonged usefulness of the door panels and the quality of the door panels is improved.

The above specific embodiments are only specific implementations with better effects of the present invention, and all structures that are the same or equivalent to the furniture driving and control device having an adjustable load capacity in a wide range of the present invention are within the scope of the present invention.

Claims (9)

1. Furniture drive and control device having a load capacity adjustable over a wide range, comprising a drive device for moving a door panel of a piece of furniture, wherein the drive device comprises a base drive (1) which is installed in a box of the furniture piece, a hinge assembly (2) to rotate the door panel, a spring assembly (3) to supply power and an adjustment mechanism (4) to adjust power; and wherein the adjusting mechanism (4) is configured to be installed on the drive base (1) by rotating through a positioning rivet (5), the adjusting mechanism (4) is provided with an upper part of the lever (b) and a lower part of the lever (a) which swing in the shape of a lever and which are formed with the positioning rivet (5) as an axis point, an upper part of the upper part of the lever ( b) is connected to the joint assembly (2), the adjustment mechanism (4) is provided with a slider (6) to adjust a length of the lower part of the lever (a), the slider (6) is connected sliding manner to a lower part of the lower part of the lever (a), one end of the spring assembly (3) is located and connected to the drive base (1) and another end of the spring assembly (3) is connected rotationally to the slide (6). 2. The furniture drive and control device having an adjustable load capacity over a wide range of claim 1, wherein: The adjustment mechanism (4) comprises a moment arm (41), a support block (42), a ratchet (43) and a moving shaft (44), where the moment arm (41) is connected rotational to the drive base (1) through the positioning rivet (5), an upper part of the moment arm (41) is connected to the joint assembly (2), the support block (42) is installed on a bottom of the moment arm (41), the ratchet (43) is rotationally connected to the support block (42), the moving shaft (44) is threaded connected to the ratchet (43), the ratchet (43) is configured for rotate to drive the movable shaft (44) to move forward and backward, and the slider (6) is installed on the movable shaft (44) and is configured to move accordingly forward and backward together with the movable shaft (44). 44). 3. The furniture drive and control device having an adjustable load capacity over a wide range of claim 2, wherein the support block (42) is provided with a positioning card slot (45) and One end of the ratchet (43) is secured in the positioning card slot (45). 4. The furniture driving and control device having an adjustable load capacity over a wide range of claim 3, wherein the support block (42) is installed at the bottom of the moment arm (41) through an installation pin (46). 5. The furniture drive and control device having an adjustable load capacity over a wide range of claim 2, wherein a limit pin (47) to allow directional rotation of the ratchet (43) is installed on the moment arm (41), and the limit pin (47) is installed in the moment arm (41) between the pawl (43) and the slide (6). 6. The furniture driving and control device having an adjustable load capacity in a wide range of any one of claims 2 to 5, wherein a guide channel (48) is arranged on two sides of the part. bottom of the moment arm (41), and two sides of the slide (6) are provided with a directional projection (49) that coincides with the guide channel (48). 7. The furniture drive and control device having an adjustable load capacity in a wide range of any of claims 2 to 5, wherein through holes (410) for rotating the ratchet (43) are open in two sides of moment arm ⁽ 41 ^). 8. The furniture drive and control device having an adjustable load capacity in a wide range of any of claims 2 to 5, wherein an installation sleeve (7) is arranged on the drive base (1 ), the installation sleeve (7) is provided with a damping cylinder (8) and an adjusting wheel (9) to adjust a damping force of the damping cylinder (8), the damping cylinder (8) is slidably installed on the installation sleeve (7), one end of the installation sleeve (7) is threadedly connected to the adjusting wheel (9), the adjusting wheel (9) is located and connected to a push rod of the shock absorber cylinder (8), and the connection assembly (2) is folded in the drive base (1) and interferes with the shock absorber cylinder (8). 9. The furniture driving and control device having an adjustable load capacity in a wide range of any of claims 2 to 5, wherein a lower end of the moment arm (41) is provided with a wheel of angle adjustment (10) to adjust an oscillation range, one end of the angle adjustment wheel (10) is located and rotationally connected to a lower part of the drive base (1), and another end of the Angle adjustment wheel (10) is connected by threading to the moment arm (41).