WO2022105105A1

WO2022105105A1 - Furniture driving and control device having wide-range adjustable loading capacity

Info

Publication number: WO2022105105A1
Application number: PCT/CN2021/089620
Authority: WO
Inventors: 蔡耿锡; 罗积华; 伦锴成
Original assignee: 清远市星徽精密制造有限公司
Priority date: 2020-11-17
Filing date: 2021-04-25
Publication date: 2022-05-27
Also published as: DE212021000496U1; ES1303402Y; PL131465U1; CN112302449A; DE112021005622T5; ES1303402U

Abstract

A furniture driving and control device having an adjustable loading capacity, comprising a drive device used to drive a furniture door panel to move. The drive device comprises a drive base (1) to be installed at a cabinet, a link rod assembly (2) used to rotate the door panel, a spring assembly (3) used to provide power, and an adjustment mechanism (4) used to adjust an output. The adjustment mechanism (4) is rotated on the drive base (1) by means of a positioning rivet (5), and uses the positioning rivet (5) as a pivot point to define an upper lever portion (b) and a lower lever portion (a) that engage in pivot-type oscillation. A top portion of the upper lever portion (b) is connected to the link rod assembly (2). The adjustment mechanism (4) is provided with a slide block (6) used to adjust the length of the lower lever portion (a). The slide block (6) is slidably connected to a lower portion of the lower lever portion (a). One end of the spring assembly (3) is positioned and connected on the drive base (1), and the other end thereof is rotatably connected to the slide block (6).

Description

A furniture drive and manipulation device that can adjust the load in a large range

technical field

The invention relates to the technical field of furniture hinges, in particular to a furniture driving and operating device which can adjust the load in a wide range.

Background technique

Furniture hinges are mostly used for the installation and connection of the cabinet body and the door panel, especially the flip-up door hinge, which is equipped with an operating drive device that drives the movement of the door panel.

At present, there is a Chinese Patent Document No.: CN103477011B which discloses an operation drive device for moving a trapdoor of furniture, which discloses that the operation drive device for moving the trapdoor of furniture includes: at least one A pivotably mounted actuating arm for the movement of the trap door; a spring mechanism for applying a rotational moment to the actuating arm in the opening direction; an adjusting mechanism with an adjusting screw with a thread, wherein: The turning torque acting on the operating arm by the spring mechanism can be adjusted by the rotational movement of the adjusting bolt; wherein, the adjusting bolt has a bolt rod, and through the rotational movement of the adjusting bolt, the nut can be adjusted along the bolt rod. support; wherein the adjusting bolt has a locking mechanism separate from the thread, the locking mechanism preventing unintentional rotational movement of the adjusting bolt. In this way, the adjusting bolt and the nut of the above-mentioned structure are used to achieve the output of different torques of the unified device.

technical problem

However, the operation driving device of the above structure has the following disadvantages in actual operation:

1) The adjustment device of the above structure has a complex structure, and requires high precision in cooperation with the control arm. Otherwise, the control arm will be stuck, the transmission performance will be reduced, and even the normal operation of the door panel will be affected.

2) In the adjusting device of the above structure, when the adjusting bolt is adjusted manually, the nut can be moved along the bolt rod, so that the position of the action point of the spring mechanism relative to the rotation axis of the operating rod can be changed, and the action point of the spring mechanism can be adjusted indirectly. , The adjustment range is small, it is difficult to adapt to the use of furniture with a large range of adjustment loads, and the use is limited.

technical solutions

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a furniture driving control device that can adjust the load in a large range, which can directly adjust the ratio of the lever force to change the size of the output force of the spring, adapt to the load changes of different door panels, and is suitable for It has strong performance, simple structure and high stability, ensuring the normal operation of the door panel.

The purpose of the present invention is to achieve the following: a furniture driving and operating device that can adjust the load in a wide range, including a driving device for moving the door panel of the furniture, and the driving device includes a driving base installed on the cabinet body, which makes the door panel rotate. The connecting rod assembly, the spring assembly for providing power, and the adjusting mechanism for adjusting the output, wherein the adjusting mechanism is rotated on the driving base through the positioning rivet, and the adjusting mechanism takes the positioning rivet as the pivot point to form a lever-type swinging upper lever part , the lower lever part, the top of the upper lever part is connected with the link assembly, the adjustment mechanism is provided with a slider for adjusting the length of the lower lever part, the slider is slidably connected to the lower part of the lower lever part, and one end of the spring assembly is The positioning connection is on the driving base body, and the other end is rotatably connected with the sliding block.

According to the above optimization, the adjustment mechanism includes a lever arm, a support block, a ratchet wheel, and a moving shaft. The lever arm is rotatably connected to the driving base through a positioning rivet, the top of the lever arm is connected to the connecting rod assembly, and the lower portion of the lever arm is installed There is a support block, the ratchet wheel is rotatably connected to the support block, and the moving shaft is threadedly connected with the ratchet wheel.

According to the above optimization, the support block is provided with a positioning slot, and the end of the ratchet is clipped on the positioning slot.

According to the above optimization, the support block is mounted on the lower part of the lever arm through mounting pins.

According to the above optimization, the force arm is provided with a limit pin for directional rotation of the ratchet, and the limit pin is installed on the force arm between the ratchet and the slider.

According to the above optimization, guide chute is provided on both sides of the lower part of the force arm, and directional bumps are provided on both sides of the sliding block which are matched with the guide chute.

According to the above optimization, two sides of the lever arm are respectively provided with through holes for rotating ratchets.

According to the above optimization, the drive base is provided with an installation sleeve, the installation sleeve is provided with a buffer cylinder and an adjusting wheel for adjusting the buffer force of the buffer cylinder, the buffer cylinder is slidably mounted on the installation sleeve, and one end of the installation sleeve is threaded with the adjusting wheel The adjusting wheel is positioned and connected to the push rod of the buffer cylinder, and the connecting rod assembly is folded to drive the base body and interferes with the buffer cylinder at the same time.

According to the above optimization, the lower end of the lever arm is provided with an angle adjustment wheel for adjusting the swing amplitude, one end of the angle adjustment wheel is positioned and rotatably connected to the lower part of the driving base, and the other end of the angle adjustment wheel is threadedly connected to the lever arm.

beneficial effect

The advantages of the present invention are:

1) By adjusting the position of the slider, the length of the lower lever part can be adjusted, so as to adjust the ratio of the lever force of the adjustment mechanism to change the output force of the spring assembly, so as to meet the load changes of different door panels, with simple operation and strong applicability.

2) The moving position of the slider can be adjusted by rotating the ratchet through the structural coordination of the lever arm, support block, ratchet wheel, and moving shaft of the adjusting mechanism with the slider. The structure is simple, the adjustment stability is high, and the adjustment effect of the door panel load is guaranteed.

3) Cooperate with the structure of the angle adjustment wheel, effectively adjust the swing range of the adjustment mechanism, further adjust the lever ratio of the force arm, further adjust the door panel load, and adapt to the use of large load door panels.

4) Under the action of the buffer cylinder, the buffer effect is improved, the noise caused by the impact is reduced, and the service life of the door panel is prolonged.

Description of drawings

1 is a schematic structural diagram of a preferred embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a driving device according to a preferred embodiment of the present invention.

FIG. 3 is a schematic structural diagram of an adjusting mechanism according to a preferred embodiment of the present invention.

FIG. 4 is a schematic structural diagram of the adjusting mechanism according to the preferred embodiment of the present invention (with partial force arms removed).

Figure 5 is an exploded view of the adjustment mechanism of the preferred embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in FIGS. 1 to 5 , the furniture driving and operating device for wide-ranging load adjustment of the present invention includes a driving device for moving the door panel of the furniture, and the driving device includes a driving base 1 , The connecting rod assembly 2 that makes the door panel rotate, the spring assembly 3 that provides power, and the adjusting mechanism 4 that adjusts the output. The adjusting mechanism 4 is rotated on the driving base 1 by the positioning rivet 5 , and the adjusting mechanism 4 is formed with an upper lever portion b and a lower lever portion a that swing in a lever type with the positioning rivet 5 as the pivot point. The top of the upper lever part b is connected with the link assembly 2, the adjusting mechanism 4 is provided with a slider 6 for adjusting the length of the lower lever part a, the slider 6 is slidably connected to the lower part of the lower lever part a, and the spring One end of the assembly 3 is positioned and connected to the driving base 1 , and the other end is rotatably connected to the slider 6 .

By adjusting the position of the slider 6, the length of the lower lever portion a can be adjusted, so as to adjust the lever force ratio of the upper lever portion b and the lower lever portion a in the adjustment mechanism 4, so as to change the output force of the spring assembly 3, so as to meet the The load of different door panels changes, the operation is simple, and the applicability is strong.

Referring to FIG. 1 to FIG. 3 , in further detail, the adjusting mechanism 4 includes a force arm 41 , a support block 42 , a ratchet 43 , and a moving shaft 44 . The force arm 41 is rotatably connected to the driving base 1 through the positioning rivet 5, the top of the force arm 41 is connected to the connecting rod assembly 2, the lower part of the force arm 41 is installed with a support block 42, and the ratchet 43 is rotatably connected to the support block 42, The moving shaft 44 is threadedly connected with the ratchet wheel 43 . The ratchet wheel 43 rotates to drive the moving shaft 44 to move forward and backward. The slider 6 is mounted on the moving shaft 44 and moves forward and backward correspondingly with the moving shaft 44 . That is, the slider 6 is mounted on the moving shaft 44 , the slider 6 and the moving shaft 44 can rotate with each other but cannot move, and can move along with the movement of the moving shaft 44 . The spring assembly 3 can rotate correspondingly on the slider 6 . The connection structure is simple and the stability is high.

During this period, the support block 42 is provided with a positioning slot 45 , and the end of the ratchet wheel 43 is clipped on the positioning slot 45 . The support block 42 is installed on the lower part of the force arm 41 through the installation pin 46; the force arm 41 is installed with a limit pin 47 for directional rotation of the ratchet wheel 43, and the limit pin 47 is installed between the ratchet wheel 43 and the slider 6. on the moment arm 41. The ratchet 43 is prevented from loosening, the structural stability is improved, and the load performance of the door panel can be adjusted.

Because the ratchet wheel 43 is limited by the support block 42 and the limiting pin 47, it can only rotate, the ratchet wheel 43 rotates to drive the moving shaft 44 to move back and forth, and the slider 6 moves back and forth accordingly, thereby changing the value of the lower lever portion a, The value of the lower lever portion a is changed, thereby changing the ratio of the upper lever portion b to the lower lever portion a. In this way, the lever arm 41 , the support block 42 , the ratchet 43 , the moving shaft 44 of the adjusting mechanism 4 are used to cooperate with the structure of the slider 6 . , realize the change of the output force of the spring assembly 3, can meet the load changes of different door panels, and has a simple structure, high stability, and ensures the use quality of the door panels.

In addition, two sides of the lower part of the force arm 41 are provided with guide chute 48 , and two sides of the sliding block 6 are provided with directional bumps 49 which are matched with the guide chute 48 to slide. Improve the stability of the adjustment and ensure the adjustment accuracy.

At the same time, through holes 410 for rotating the ratchet wheel 43 are respectively opened on both sides of the force arm 41 . Easy to operate and ensure the normal use of the door panel.

1 to 5 , the lower end of the force arm 41 is provided with an angle adjustment wheel 10 for adjusting the swing amplitude. One end is screwed on the lever arm 41 . With the structure of the angle adjustment wheel 10, the swing range of the adjustment mechanism 4 can be effectively adjusted, the lever ratio of the force arm 41 can be further adjusted, and the door panel load can be further adjusted to adapt to the use of a large load door panel.

1 to 5 , the driving base 1 is provided with an installation sleeve 7, and the installation sleeve 7 is provided with a buffer cylinder 8 and an adjusting wheel 9 for adjusting the buffer force of the buffer cylinder 8. The buffer cylinder 8 is slidably mounted on the Mounting sleeve 7, one end of the mounting sleeve 7 is threadedly connected to the adjusting wheel 9, the adjusting wheel 9 is positioned and connected to the push rod of the buffer cylinder 8, the connecting rod assembly 2 is folded to drive the base body 1 and collides with the buffer cylinder 8 at the same time. Under the action of the buffer cylinder 8, the buffer effect is improved, the service life of the door panel is prolonged, and the use quality of the door panel is enhanced.

The above-mentioned specific embodiments are only specific implementations of the present invention with better effects, and all structures that are the same or equivalent to the furniture driving and operating device for wide-ranging load adjustment of the present invention are within the protection scope of the present invention.

Claims

A furniture driving and operating device capable of adjusting a load in a large range, comprising a driving device for moving a door panel of the furniture, the driving device comprising a driving base (1) installed on a cabinet body, and a connecting rod assembly (2) for rotating the door panel , A spring assembly (3) for providing power and an adjustment mechanism (4) for adjusting the output, characterized in that: the adjustment mechanism (4) is rotated on the driving base (1) through the positioning rivet (5), and the adjustment mechanism (4) ) A lever-type swinging upper lever portion (b) and a lower lever portion (a) are formed with the positioning rivet (5) as the pivot point, and the top of the upper lever portion (b) is connected with the connecting rod assembly (2), so The adjustment mechanism (4) is provided with a slider (6) for adjusting the length of the lower lever portion (a), the slider (6) is slidably connected to the lower part of the lower lever portion (a), and one end of the spring assembly (3) is positioned It is connected to the drive base (1), and the other end is rotatably connected to the slider (6).
The furniture drive operating device for large-scale adjustment of loads according to claim 1, characterized in that: the adjustment mechanism (4) comprises a force arm (41), a support block (42), a ratchet (43), a moving shaft ( 44), the force arm (41) is rotatably connected to the driving base (1) through the positioning rivet (5), the top of the force arm (41) is connected with the connecting rod assembly (2), and the lower part of the force arm (41) is installed There is a support block (42), the ratchet wheel (43) is rotatably connected to the support block (42), the moving shaft (44) is threadedly connected with the ratchet wheel (43), and the ratchet wheel (43) rotates to drive the moving shaft (44) to move back and forth , the slider (6) is mounted on the moving shaft (44) and moves forward and backward accordingly with the moving shaft (44).
The furniture driving and operating device for large-scale adjustment of the load according to claim 2, characterized in that: the support block (42) is provided with a positioning slot (45), and the end of the ratchet (43) is clamped on the on the locating slot (45).
The furniture driving and manipulating device for adjusting the load in a large range according to claim 3, characterized in that: the support block (42) is mounted on the lower part of the moment arm (41) through the mounting pin (46).
The furniture driving and operating device for large-scale adjustment of the load according to claim 2, characterized in that: the force arm (41) is provided with a limit pin (47) for directional rotation of the ratchet (43), and the limit pin (47) is installed on the lever arm (41) between the ratchet wheel (43) and the slider (6).
The furniture driving and operating device for adjusting the load in a large range according to any one of claims 2-5, characterized in that: guide chute (48) is provided on both sides of the lower part of the lever arm (41), and the slide Both sides of the block (6) are provided with directional bumps (49) which are matched and slide with the guide chute (48).
The furniture driving and operating device for wide-ranging load adjustment according to any one of claims 2-5, characterized in that: through holes ( 410).
The furniture driving and operating device for large-scale load adjustment according to any one of claims 2-5, characterized in that: the driving base (1) is provided with a mounting sleeve (7), and the mounting sleeve (7) is provided with a buffer A cylinder (8) and an adjusting wheel (9) for adjusting the buffer force of the buffer cylinder (8). ) threaded connection, the adjusting wheel (9) is positioned and connected to the push rod of the buffer cylinder (8), and the connecting rod assembly (2) is folded to drive the base body (1) while in conflict with the buffer cylinder (8).
The furniture driving and operating device for adjusting the load in a wide range according to any one of claims 2-5, characterized in that: the lower end of the lever arm (41) is provided with an angle adjusting wheel (10) for adjusting the swing amplitude, One end of the angle adjusting wheel (10) is positioned and rotatably connected to the lower part of the driving base body (1), and the other end of the angle adjusting wheel (10) is screwed on the force arm (41).