CN213710768U

CN213710768U - Door cover upturning supporting mechanism

Info

Publication number: CN213710768U
Application number: CN202022033767.8U
Authority: CN
Inventors: 黄伟宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-07-16
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a cabinet door accessory field discloses a door cover turns over supporting mechanism, including the shell to and support arm mechanism, damping device and the buffering arm in the installation shell, the middle section of buffering arm with the shell is rotationally articulated, damping device is equipped with a briquetting, the butt is corresponding to the one end of buffering arm top briquetting, support arm mechanism correspond can with the other end butt of buffering arm. The utility model discloses the door closure upturning supporting mechanism has the buffering to damping device to make it provide better more stable slow stop support and damping supporting effect, its structure is reliable, and the durability is better.

Description

Door cover upturning supporting mechanism

Technical Field

The utility model relates to a cabinet door accessory field especially relates to a door covers and turns over supporting mechanism.

Background

At present, door cover upturning mechanisms or door supports and the like are commonly used as supporting devices for opening a cabinet door in furniture, and the supporting devices in the market comprise a connecting arm mechanism and a buffer device, the door plate and the door cover can slow down and stop in the opening and closing process through the action of the buffer device on the connecting arm mechanism, the connecting arm mechanism is directly abutted, impacted or even rigidly connected with the buffer device through the connecting arm mechanism, so that the buffer device supports and buffers the connecting arm mechanism, the acting force applied to the buffer device is large, especially, the mode of hard connection can let buffer all receive the exogenic action in drawing and compression, influences buffer's life-span easily, also makes it can't normally cushion easily, finally leads to strutting arrangement can't be right to strutting the door closure or the door plant, very influence the use experience.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a flip supporting mechanism on door closure, its structure is reliable, and the slow stop support is stable, and the durability is good.

The utility model provides a supporting mechanism turns over on door closure, includes the shell to and support arm mechanism, damping device and the buffering arm in the installation shell, the middle section of buffering arm with the shell is rotationally articulated, damping device is equipped with a briquetting, the butt is corresponding to the one end of buffering arm a briquetting, support arm mechanism correspond can with the other end butt of buffering arm.

The shell is provided with a limiting pin, and the limiting pin can be correspondingly abutted against the rear side of one end of the top pressing block by the buffer arm.

The buffer arm is abutted to one end of the jacking block, the buffer block is directly abutted to the jacking block, and the buffer block is made of plastics or rubber.

The buffer arm can be correspondingly abutted against one end of the support arm mechanism, and the support arm mechanism is provided with a push fork matched with the push rod.

The middle section of the buffer arm is rotatably hinged with the shell through a pin shaft, and plastic mesons are sleeved on two sides of the buffer arm through the pin shaft.

The support arm mechanism includes outer arm, link board, preceding swing arm, back swing arm, main supporting arm, preceding connecting rod and back connecting rod, the rear end of outer arm with the front end of main supporting arm is articulated, link the front end of board with the middle section of outer arm is articulated, link the rear end of board with the front end of preceding swing arm is articulated, the middle section of preceding swing arm with the middle section of main supporting arm is articulated, the front end of back swing arm with the rear end of main supporting arm is articulated, the middle section of back swing arm with the front end of preceding connecting rod is articulated, the rear end of preceding swing arm with the rear end of back swing arm articulates respectively on shell 1, the front end of back connecting rod with the rear end of preceding connecting rod is articulated, the rear end of back connecting rod is articulated on shell 1.

The rear end of the front connecting rod, the front end of the rear connecting rod or the hinged part of the front connecting rod and the rear connecting rod is connected with a tension spring.

The extension spring still is connected with the positioning piece, the both ends of extension spring are connected respectively support arm mechanism with the positioning piece, positioning piece and an adjusting screw threaded connection, the positioning piece with adjusting screw installs in an adjusting seat.

The utility model discloses the door closure upturning supporting mechanism has the buffering to damping device to make it provide better more stable slow stop support and damping supporting effect, its structure is reliable, and the durability is better.

Drawings

Fig. 1 is a schematic perspective view of an installation structure according to an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure at another viewing angle according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a door cover upturning support mechanism according to an embodiment of the present invention includes a housing 1, and a support arm mechanism, a damping device 3 and a buffer arm 4 installed in the housing 1, wherein a middle section of the buffer arm 4 is rotatably hinged to the housing 1, the damping device 3 is provided with a pressing block 31, one end of the buffer arm 4 is correspondingly abutted to the pressing block 31, the support arm mechanism has a top pushing portion correspondingly abutted to the other end of the buffer arm 4, the support arm mechanism pushes the pressing block 31 through the buffer arm 4, a piston rod of the damping device 3 pushes the buffer arm 4 through the pressing block 31, conversely, the buffer arm 4 can push the pressing block 31 reversely to compress the piston rod of the damping device 3, the support arm mechanism is similar to or the same as the support arm mechanism in the existing door supports and door cover supports, and as the door or cabinet door is closed, when the connecting arms of the supporting arm mechanism are retracted into the shell 1, the connecting arms of the supporting arm mechanism can be abutted against the buffer arm 4, so that the buffer arm 4 rotates around the hinged part to push the fixed pressing block 31 like a seesaw, the damping device 3 and the supporting arm mechanism interact, the part from one end of the abutting part of the buffer arm 4 and the top pressing block 31 to the hinged part is used as the force arm of the force applied by the damping device 3, the part from the other end of the buffer arm 4 to the hinged part forms the force arm of the force applied by the supporting arm mechanism, and by setting the length proportion of the force arms at the two ends of the buffer arm 4, the damping device 3 can bear larger acting force or bear the same acting force as that of the smaller damping device 3, so that the damping device 3 can more easily bear the supporting arm mechanism to realize the slow stop and deceleration of the door cover or the cabinet door, and can effectively prolong the durability of the damping device 3, and the damping device 3 can be arranged in the, the damping device 3 does not need to be opposite to the supporting arm mechanism, so that the damping device 3 and other structures can be more flexibly distributed in the shell 1; meanwhile, even if the supporting arm mechanism is far away from the other end of the buffer arm 4 after the door cover or the cabinet door is completely opened, the jacking block 31 continuously pushes and presses one end of the buffer arm 4 under the supporting effect of the piston rod of the damping device 3, so that the supporting arm mechanism directly impacts the other end of the buffer arm 4 when the supporting arm mechanism contracts inwards along with the closing of the door cover, and the buffer arm 4 drives the jacking block 31, so that the supporting arm mechanism is prevented from directly impacting the jacking block 31, and the impact on the damping device 3 is effectively buffered.

Referring to fig. 1 and 2, a limit pin 11 is disposed on the housing 1, the limit pin 11 is correspondingly abutted against the buffer arm 4, the rear end of the top pressing block 31 is abutted against the rear end of the buffer arm 4, the limit pin 11 and the top pressing block 31 are correspondingly and respectively located on the front and rear sides of the two sides of the buffer arm 4, when the top pressing block 31 pushes the buffer arm 4 to move to the position of the limit pin 11, the buffer arm is stopped and limited, the other end of the buffer arm 4 is prevented from being abutted against the support arm mechanism due to dislocation, in addition, the buffer arm 4 can be prevented from being abutted against due to dislocation by matching of shape design and the movement track of the support arm mechanism, or position limitation is performed by using the inner wall of the housing 1, the torsion.

Referring to fig. 1 and 2, a buffer block 41 is disposed at one end of the buffer arm 4 abutting against the top pressing block 31, the buffer block 41 directly abuts against the top pressing block 31, and the buffer block 41 is preferably made of elastic or soft materials such as plastic or rubber, which have better elasticity and softness than metal materials, so that softer abutting buffering is provided between the buffer block 41 and the top pressing block 31, and the material is easy to process and low in cost.

Referring to fig. 1 and 2, a push rod 42 is disposed at one end of the buffer arm 4, which can abut against the support arm mechanism, the support arm mechanism is provided with a push fork 21 matched with the push rod 42, the push fork 21 serves as a push top portion, when the support arm mechanism is retracted into the housing 1, the push fork 21 surrounds the push rod 42 through a fork portion at the top end, and pushes the end portion of the buffer arm 4 to move, in the process, the push fork 21 allows the push rod 42 to be correspondingly limited in the fork portion, and the push fork 21 rotates relative to the push rod 42 along with the movement of the support arm mechanism and the buffer arm 4, so as to continue to push.

Referring to fig. 1, the middle section of the buffer arm 4 is rotatably hinged to the housing 1 through a pin, the two sides of the buffer arm 4 are sleeved with plastic mesons 43 through the pin, the plastic mesons 43 further play a role in buffering the two sides of the buffer arm 4 on the pin, and the buffer arm 4 is kept in the middle of the pin and does not rub against the housing 1.

Referring to fig. 1 and 2, the support arm mechanism includes an outer arm 22, a connecting plate 23, a front swing arm 24, a rear swing arm 25, a main support arm 26, a front connecting rod 27 and a rear connecting rod 28, the rear end of the outer arm 22 is hinged to the front end of the main support arm 26, the front end of the connecting plate 23 is hinged to the middle section of the outer arm 22, the rear end of the connecting plate 23 is hinged to the front end of the front swing arm 24, the middle section of the front swing arm 24 is hinged to the middle section of the main support arm 26, the front end of the rear swing arm 25 is hinged to the rear end of the main support arm 26, the middle section of the rear swing arm 25 is hinged to the front end of the front connecting rod 27, the rear end of the front swing arm 24 and the rear end of the rear swing arm 25 are hinged to the inner wall of the housing 1 above the main support arm 26, the front end of the rear connecting rod 28 is hinged to the rear end of the front connecting rod 27, the rear end of the rear connecting rod 28 is hinged to the inner wall of the housing 1 below the front connecting, the front swing arm 24, the rear swing arm 25 and the main support arm 26 form a parallelogram mechanism, the linkage of the front connecting rod 27 and the rear connecting rod 28 is matched to enable the main support arm 26 to move back and forth, and the outer arm 22 is turned up along with the back and forth displacement by combining the connecting plate 23 when the main support arm moves forward, so that a door cover or a cabinet door arranged on the outer arm 22 is stably turned up and firmly supported when the door cover or the cabinet door is opened, and the rear end of the main support arm 26 or the front end of the rear swing arm 25 can be used for installing the push fork 21 as a push top part abutted against the other end of the buffer arm 4.

Referring to fig. 1 and 2, a tension spring 51 is connected to the rear end of the front link 27, the front end of the rear link 28, or the hinge joint between the front link 27 and the rear link 28, and the tension spring 51 allows the support arm mechanism to maintain better stability in the fully opened or closed position of the door cover or the cabinet door, and better feedback force during the opening and closing process.

Referring to fig. 1 and 2, the tension spring 51 is further connected with a positioning block 52, two ends of the tension spring 51 are respectively connected with the support arm mechanism and the positioning block 52, the positioning block 52 is in threaded connection with an adjusting screw 53, the positioning block 52 and the adjusting screw 53 are installed in an adjusting seat 54, the adjusting screw 53 rotates to drive the positioning block 52 to move back and forth along the axial direction of the adjusting screw 53, so that the tension spring 51 is pulled to connect the stretching length of the support arm mechanism to adjust the elastic tension thereof.

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 modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a door closure upturning supporting mechanism which characterized in that: including the shell to and support arm mechanism, damping device and the buffering arm in the installation shell, the middle section of buffering arm with the shell is rotationally articulated, damping device is equipped with a briquetting, the butt is corresponding to the one end of buffering arm top briquetting, support arm mechanism correspond can with the other end butt of buffering arm.

2. A door cover turn-up support mechanism according to claim 1, wherein: the shell is provided with a limiting pin, and the limiting pin can be correspondingly abutted against the rear side of one end of the top pressing block by the buffer arm.

3. A door cover turn-up support mechanism according to claim 1, wherein: the buffer arm is abutted to one end of the jacking block, the buffer block is directly abutted to the jacking block, and the buffer block is made of plastics or rubber.

4. A door cover turn-up support mechanism according to claim 1, wherein: the buffer arm can be correspondingly abutted against one end of the support arm mechanism, and the support arm mechanism is provided with a push fork matched with the push rod.

5. A door cover turn-up support mechanism according to claim 1, wherein: the middle section of the buffer arm is rotatably hinged with the shell through a pin shaft, and plastic mesons are sleeved on two sides of the buffer arm through the pin shaft.

6. The door cover flip-up support mechanism according to any one of claims 1 to 5, wherein: the support arm mechanism includes outer arm, link board, preceding swing arm, back swing arm, main supporting arm, preceding connecting rod and back connecting rod, the rear end of outer arm with the front end of main supporting arm is articulated, link the front end of board with the middle section of outer arm is articulated, link the rear end of board with the front end of preceding swing arm is articulated, the middle section of preceding swing arm with the middle section of main supporting arm is articulated, the front end of back swing arm with the rear end of main supporting arm is articulated, the middle section of back swing arm with the front end of preceding connecting rod is articulated, the rear end of preceding swing arm with the rear end of back swing arm articulates respectively on shell 1, the front end of back connecting rod with the rear end of preceding connecting rod is articulated, the rear end of back connecting rod is articulated on shell 1.

7. The door cover flip-up support mechanism of claim 6, wherein: the rear end of the front connecting rod, the front end of the rear connecting rod or the hinged part of the front connecting rod and the rear connecting rod is connected with a tension spring.

8. The door cover flip-up support mechanism of claim 7, wherein: the extension spring still is connected with the positioning piece, the both ends of extension spring are connected respectively support arm mechanism with the positioning piece, positioning piece and an adjusting screw threaded connection, the positioning piece with adjusting screw installs in an adjusting seat.