CN215718054U

CN215718054U - Double-buffering sliding door hinge

Info

Publication number: CN215718054U
Application number: CN202122099782.7U
Authority: CN
Inventors: 陈胜镛; 曹永乐
Original assignee: Foshan Yonghua Changsheng Household Products Co ltd
Current assignee: Foshan Yonghua Changsheng Household Products Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-01
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a double-buffering sliding door hinge which comprises a main arm, an auxiliary arm, a first air cylinder, a second air cylinder, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a fifth rotating shaft, wherein the first rotating shaft and the second rotating shaft are respectively sleeved at two ends of the auxiliary arm, the third rotating shaft and the fourth rotating shaft are respectively sleeved at two ends of the main arm, a supporting rod is fixed at one end of the main arm, the fifth rotating shaft is sleeved on the supporting rod, one end of the first air cylinder is connected with the fifth rotating shaft, the other end of the first air cylinder is connected with the second rotating shaft, a cylinder body of the second air cylinder is fixed at the other end of the main arm, a piston rod of the second air cylinder extends out of the end surface of the main arm, and a piston rod of the second air cylinder is arranged corresponding to the auxiliary arm. In the closing process of the door leaf, a piston rod of the second cylinder acts on the auxiliary arm to buffer the closing of the door leaf; when the door leaf is opened, a piston rod of the second cylinder acts on the cabinet body to buffer the opening of the door leaf; the double buffering of the opening and closing speed of the door leaf is realized, the service life is prolonged, and the operation safety is improved.

Description

Double-buffering sliding door hinge

Technical Field

The utility model belongs to a door hinge, and particularly relates to a double-buffer translation door hinge.

Background

When the existing side hung door hinge is used, the door leaf rotates around a rotating shaft on the door hinge to realize opening and closing of the door leaf, the door leaf needs to occupy a large space when being opened, and the door leaf is not buffered when being opened and closed, or only when being closed to approach a door closing angle, the buffering is realized. Therefore, the opening and closing speed of the door leaf is too fast, the service life of the door hinge is easily influenced, and the phenomenon of hand clamping is easily caused.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a double-cushioned translating door hinge that addresses at least one of the above-mentioned problems.

According to one aspect of the utility model, the double-buffering sliding door hinge comprises a main arm, an auxiliary arm, a first air cylinder, a second air cylinder, a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft and a fifth rotating shaft, wherein the first rotating shaft and the second rotating shaft are respectively sleeved at two ends of the auxiliary arm, the third rotating shaft and the fourth rotating shaft are respectively sleeved at two ends of the main arm, a supporting rod is fixed at one end of the main arm, the fifth rotating shaft is sleeved on the supporting rod, one end of the first air cylinder is connected with the fifth rotating shaft, the other end of the first air cylinder is connected with the second rotating shaft, a cylinder body of the second air cylinder is fixed at the other end of the main arm, a piston rod of the second air cylinder extends out of the end surface of the main arm, the auxiliary arm is located at one side of the main arm, and the piston rod of the second air cylinder is arranged corresponding to the auxiliary arm.

The utility model has the beneficial effects that: the first air cylinder is arranged, so that the rotating speed of the main arm and the auxiliary arm can be buffered to a certain extent, and the opening and closing speed of the door leaf can be buffered to a certain extent; the second cylinder is arranged, and the piston rod of the second cylinder is arranged corresponding to the auxiliary arm, so that the piston rod of the second cylinder acts on the auxiliary arm in the closing process of the door leaf, the rotating speed of the auxiliary arm is buffered, and the closing of the door leaf is buffered. When the door leaf is opened, the piston rod of the second cylinder extends out of the end face of the main arm, so that the piston rod of the second cylinder can act on the door frame or the cabinet body, the rotating speed of the main arm is buffered, and the opening speed of the door leaf is buffered. Therefore, the double-buffering translation door hinge realizes double buffering of opening and closing speeds of the door leaf, and improves the service life of the door hinge and the safety during operation.

In some embodiments, the secondary arm includes a straight rod and an arc rod, the straight rod is connected with the arc rod, the second rotating shaft is sleeved at one end of the straight rod, the straight rod is arranged in parallel with the primary arm, one end of the arc rod close to the first rotating shaft is higher than the end face of the straight rod, and the piston rod of the second cylinder corresponds to the arc rod. Therefore, the straight rod is arranged in parallel with the main arm, so that the main arm, the auxiliary arm and connecting lines at two ends of the main arm and the auxiliary arm form a rough parallelogram, the rotating stability of the door leaf can be improved, the improvement of the integral bearing is facilitated, and the service life is prolonged.

In some embodiments, the arc rod protrudes to one side of the main arm, the arc length of the arc rod is 70-75 mm, and the connecting line between the two ends of the arc rod and the center of the arc where the arc rod is located forms an included angle of 35-37 degrees. Therefore, when the door leaf is closed, when the second cylinder rotates to one side of the arc-shaped rod, the piston rod of the second cylinder can be tightly pressed on the arc-shaped rod, and a buffering effect is achieved through the second cylinder; and the two ends of the arc-shaped rod are connected with the circle center of the arc-shaped rod, the included angle formed by the connection is 35-37 degrees, the buffer can be started when the door closing angle is large, and the use requirement is met.

In some embodiments, the double-buffering sliding door hinge further comprises a synchronization bar, the other end of the straight bar is provided with a mounting hole, and the synchronization bar is matched with the mounting hole. Therefore, the installation hole is arranged, so that the installation of the synchronous strip can be facilitated; the synchronous strip is arranged, so that the synchronism of the door hinge on the same synchronous belt can be kept, and the opening and closing stability of the door leaf is ensured.

In some embodiments, the mounting hole is a square hole and the synchronization bar is square. From this, synchronous strip is squarely, can guarantee stability, improves holistic pleasing to the eye degree.

In some embodiments, the main arm and the support rod are vertically arranged and are integrally formed, and the fourth rotating shaft is sleeved at the joint of the main arm and the support rod. Therefore, the main arm and the supporting rod can be conveniently machined and molded.

In some embodiments, the auxiliary arm further comprises a diagonal rod, one end of the diagonal rod is connected with the arc-shaped rod, the first rotating shaft is sleeved at one end of the diagonal rod, the diagonal rod inclines towards the side away from the main arm, a limiting table is arranged at the connection position of the diagonal rod and the arc-shaped rod, and the limiting table corresponds to the main arm. Therefore, the limiting table can be abutted against the main arm, the main arm is prevented from further rotating towards the opening direction of the door leaf, and the space required by opening the door leaf can be saved.

In some embodiments, the double-buffering sliding door hinge further comprises a fixing seat, the fixing seat is arranged at one end of the main arm and one end of the auxiliary arm, the first rotating shaft and the third rotating shaft are installed on the fixing seat, and a piston rod of the second cylinder corresponds to the inner wall of the fixing seat. From this, be equipped with the fixing base, can install the fixing base on the cabinet body, convenient whole fixes on the cabinet body through the fixing base, simple to operate.

In some embodiments, the double-buffering sliding door hinge further comprises a base, the first cylinder is located inside the base, and the second rotating shaft and the fourth rotating shaft are both installed on the base. From this, be equipped with the base, can fix the base on the door leaf, make things convenient for wholly being connected with the door leaf.

In some embodiments, a flat bearing is provided between the first shaft and the secondary arm. From this, be equipped with the plane bearing, can improve the bearing to improve application scope.

Drawings

FIG. 1 is a schematic structural view of a hinge of a double-buffering sliding door of the present invention when a door leaf is in a closed state;

FIG. 2 is a partial schematic structural view of the hinge of the double-buffering sliding door of the present invention when the door leaf is in a closed state;

FIG. 3 is a schematic structural view of a double-buffering sliding door hinge in a use state;

FIG. 4 is a schematic structural view of the hinge of the double-buffering sliding door of the present invention when the door leaf is in an open state;

FIG. 5 is a partial schematic structural view of the hinge of the double-buffering sliding door of the present invention when the door leaf is in an open state;

FIG. 6 is a schematic view of the structure of the hinge of the double-buffering sliding door of the present invention, in which the base is engaged with the adjusting plate in the door leaf;

fig. 7 is an exploded view of the base and adjusting plate of the hinge of double-buffer sliding door of the present invention.

Detailed Description

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

Refer to fig. 1 to 5. Double buffering translation door hinge, including main arm 1, the auxiliary arm 2, first cylinder 3, second cylinder 4, first pivot 5, second pivot 6, third pivot 7, fourth pivot 8 and fifth pivot 9, first pivot 5 and second pivot 6 overlap respectively and establish the both ends at auxiliary arm 2, third pivot 7 and fourth pivot 8 overlap respectively and establish the both ends at main arm 1, the one end of main arm 1 is fixed with bracing piece 10, the fifth pivot 9 overlaps and establishes on bracing piece 10, the one end of first cylinder 3 is connected with fifth pivot 9, the other end is connected with second pivot 6, the cylinder body of second cylinder 4 is fixed at the other end of main arm 1, the piston rod of second cylinder 4 stretches out the terminal surface of main arm 1, auxiliary arm 2 is located one side of main arm 1, the piston rod of second cylinder 4 corresponds the setting with auxiliary arm 2.

In the practical use process, the first rotating shaft 5 and the third rotating shaft 7 are arranged on the cabinet body, the fourth rotating shaft 8 and the second rotating shaft 6 are arranged on the door leaf, the door leaf is pushed to drive the main arm and the auxiliary arm 2 to rotate, and on the contrary, the main arm 1 and the auxiliary arm 2 can also drive the door leaf to open and close.

Specifically, when the door leaf needs to be opened, an external force acts on the door leaf, the door leaf drives the main arm 1 and the auxiliary arm 2 to rotate, and the door leaf is gradually opened; with the rotation of the main arm 1 and the auxiliary arm 2, when the second rotating shaft 6, the fifth rotating shaft 9 and the fourth rotating shaft 8 are positioned on the same straight line, the distance between the door leaf and the cabinet body is the largest, and at the moment, the first cylinder 3 is in a compressed state. After the external force is cancelled, the piston rod of the first air cylinder 3 extends out to provide power, the auxiliary arm 2 is pushed to continue to rotate towards the door opening direction, meanwhile, one end of the cylinder body of the first air cylinder 3 pulls the fifth rotating shaft 9, the main arm rotates together, the door leaf moves towards one side, and the door of the cabinet body is opened. Under the buffering action of the first air cylinder 3, the piston rod of the first air cylinder 3 slowly pushes the auxiliary arm 2, so that the opening speed of the door leaf is buffered.

Meanwhile, in the opening process of the door leaf, as the cylinder body of the second cylinder 4 is fixed at the other end of the main arm 1, when the main arm 1 rotates, the second cylinder 4 rotates along with the main arm 1. When the piston rod of the second cylinder 4 contacts the side wall of the cabinet body, the rotation speed of the main arm 1 is reduced through the combined action of the second cylinder 4 and the side wall of the cabinet body, and the door opening buffering effect is achieved.

The fly jib 2 includes straight-bar 21 and arc pole 22, straight-bar 21 is connected with arc pole 22, the one end at straight-bar 21 is established to 6 covers of second pivot, straight-bar 21 and main arm 1 parallel arrangement, the one end that arc pole 22 is close to first pivot 5 exceeds the terminal surface of straight-bar 21, the piston rod of second cylinder 4 is corresponding with arc pole 22, be promptly when the door leaf is closing the in-process, along with the rotation of main arm 1 and fly jib 2, the piston rod of second cylinder 4 rotates when arc pole 22 one side, the piston rod of second cylinder 4 can compress tightly arc pole 22, play the cushioning effect, make the slew velocity of main arm 1 and fly jib 2 slow down, play the effect of the buffering of closing the door.

Through being equipped with straight-bar 21 to make the line of vice arm 2, main arm 1, first cylinder 3 and first main shaft and third main shaft form roughly parallelogram, can improve the door leaf pivoted stationarity greatly, and do benefit to the bearing capacity that improves whole hinge.

The arc rod 22 protrudes towards one side of the main arm 1, the arc length of the arc rod 22 is 70-75 mm, and the connecting line between the two ends of the arc rod 22 and the circle center of the arc where the arc rod 22 is located forms an included angle of 35-37 degrees. Therefore, when the door leaf is closed, the buffer effect can be achieved within a large closing angle range, and the buffer angle range is large.

The double-buffering sliding door hinge further comprises a synchronous strip 50, the other end of the straight rod 21 is provided with a square mounting hole 211, the synchronous strip 50 is also square, the synchronous strip 50 is matched with the mounting hole 211, and a double-buffering sliding door hinge structure outside the synchronous strip 50 can be arranged at two ends and/or the middle part of the synchronous strip 50, so that the double-buffering sliding door hinge structure is beneficial to improving the bearing capacity and keeping the door leaf to be opened and closed stably. The synchronous strip 50 is arranged, so that the up-and-down opening and closing consistency of the door leaf can be ensured; wherein, the synchronization bar 50 may be a metal column. In the actual use process, can be according to the bearing of difference, adjust the size of mounting hole and the thickness of synchronization strip 50, it is convenient to use to adjust.

The main arm 1 and the support rod 10 are arranged vertically and are of an integrally formed structure, and the fourth rotating shaft 8 is sleeved at the joint of the main arm 1 and the support rod 10. Therefore, the support rod 10 is arranged, so that the first air cylinder 3 can be conveniently installed; meanwhile, the support rod 10 is integrally formed with the main arm 1, so that the main arm 1 rotates to drive the support rod 10 to rotate synchronously.

The auxiliary arm 2 further comprises an inclined rod 24, one end of the inclined rod 24 is connected with the arc-shaped rod 22, the first rotating shaft 5 is sleeved at one end of the inclined rod 24, the inclined rod 24 inclines towards one side away from the main arm 1, a limiting table 25 is arranged at the connection position of the inclined rod 24 and the arc-shaped rod 22, and the limiting table 25 corresponds to the main arm 1. When the door leaf starts to be opened, the second cylinder 4 gradually rotates over the inclined rod 24 and is not contacted with the inclined rod 24; with the continuous rotation of the main arm 1, the piston rod of the second cylinder 4 rotates past the limiting table 25 and then contacts the arc rod 22, and the door opening buffering is gradually realized.

In the door leaf opening process, when the second rotating shaft, the fourth rotating shaft and the fifth rotating shaft rotate to the same implementation, the distance between the door leaf and the cabinet body is the largest; then under the action of the outward extending pushing of the piston rod of the first air cylinder 3, the auxiliary arm and the main arm continue to rotate, so that the door opening angle is increased. When the limiting table 25 is abutted to the main arm 1, the door leaf cannot be opened continuously, and the opening process of the door leaf is completed. Through being equipped with arc pole 22 for the back of arc pole 22 (keeping away from one side of main arm promptly), form sunken position, the fly jib bumps with the cabinet body when can effectively avoiding the door leaf to open, has guaranteed the normal of door leaf and has opened, and has improved holistic life, does benefit to save space.

The double-buffering translation door hinge further comprises a fixed seat 20, the fixed seat 20 is arranged at one end of the main arm 1 and one end of the auxiliary arm 2, two ends of the first rotating shaft 5 and two ends of the third rotating shaft 7 are arranged on the fixed seat 20, a piston rod of the second cylinder 4 corresponds to the inner wall of the fixed seat 20, namely, when the door leaf is opened, when the second cylinder 4 rotates to the inner wall side of the fixed seat 20 along with the main arm, the piston rod of the second cylinder 4 can press the inner wall of the fixed seat 20, and the door opening buffering effect is achieved. In the in-service use process, for the installation of the fixing base 20 and the cabinet body, the fixing base 20 is provided with an installation through hole, and the fixing base 20 is fixed with the cabinet body through a screw penetrating through the installation through hole.

The double-buffering translation door hinge further comprises a base 30, the first air cylinder 3 is located on the inner side of the base 30, and the second rotating shaft 6 and the fourth rotating shaft 8 are both installed on the base 30. A U-shaped groove can be formed in the base 30 to facilitate the accommodation of the first cylinder 3. In the actual use process, in order to facilitate the installation of the base 30 and the door leaf, an installation through hole is formed in the side wall of the base 30, and the base 30 is fixed to the door leaf through a screw penetrating through the installation through hole.

As shown in fig. 6 and 7, in order to maintain the door leaf in position alignment with the door frame of the cabinet during installation, facilitate alignment, and reduce installation accuracy requirements, the double-buffering sliding door hinge further comprises an adjusting plate 60 and a cam 70. The adjusting plate 60 is arranged at one side of the base 30, and the base 30 is fixed with the door leaf through the adjusting plate 60; a through hole is formed in one side of the base 30, the cam 70 is located in the through hole, and a connecting shaft is arranged on the cam 70 and can penetrate through the adjusting plate 60 to be matched with the adjusting plate. Therefore, when there is a gap between the left side or the right side of the door leaf and the door frame, the connecting shaft on the cam 70 is rotated, so that the cam 70 rotates, the cam 70 rotates to act on the side wall of the through hole, and the base 30 can be pushed to move left or right under the action of the cam 70, so as to align with the corresponding left or right position of the cabinet body.

Simultaneously, in order to conveniently adjust the upper and lower position of door leaf, be equipped with regulation hole 601 in the both sides of regulating plate 60, regulation hole 601 is vertical to be seted up, can make things convenient for the regulation of regulating plate 60 upper and lower position on the door plant, and it is convenient to adjust.

As shown in fig. 2, a plane bearing 40 is provided between the first rotating shaft 5 and the sub-arm 2, and a plane bearing 40 may be provided between the third rotating shaft 7 and the main arm 1, so that the overall load-bearing performance can be improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.

Claims

1. The double-buffer translation door hinge is characterized by comprising a main arm (1), an auxiliary arm (2), a first air cylinder (3), a second air cylinder (4), a first rotating shaft (5), a second rotating shaft (6), a third rotating shaft (7), a fourth rotating shaft (8) and a fifth rotating shaft (9), wherein the first rotating shaft (5) and the second rotating shaft (6) are respectively sleeved at two ends of the auxiliary arm (2), the third rotating shaft (7) and the fourth rotating shaft (8) are respectively sleeved at two ends of the main arm (1), a support rod (10) is fixed at one end of the main arm (1), the fifth rotating shaft (9) is sleeved on the support rod (10), one end of the first air cylinder (3) is connected with the fifth rotating shaft (9), the other end of the first air cylinder is connected with the second rotating shaft (6), a cylinder body of the second air cylinder (4) is fixed at the other end of the main arm (1), and a piston rod of the second air cylinder (4) extends out of the end surface of the main arm (1), the auxiliary arm (2) is located on one side of the main arm (1), and a piston rod of the second cylinder (4) is arranged corresponding to the auxiliary arm (2).

2. A double-buffer translational door hinge according to claim 1, wherein the auxiliary arm (2) comprises a straight rod (21) and an arc-shaped rod (22), the straight rod (21) is connected with the arc-shaped rod (22), the second rotating shaft (6) is sleeved at one end of the straight rod (21), the straight rod (21) is arranged in parallel with the main arm (1), one end of the arc-shaped rod (22) close to the first rotating shaft (5) is higher than the end surface of the straight rod (21), and the piston rod of the second cylinder (4) corresponds to the arc-shaped rod (22).

3. A double-buffer translation door hinge according to claim 2, characterized in that the arc-shaped rod (22) protrudes to one side of the main arm (1), the arc length of the arc-shaped rod (22) is 70-75 mm, and the connecting line between the two ends of the arc-shaped rod (22) and the circle center of the arc shape of the arc-shaped rod (22) forms an included angle of 35-37 °.

4. A double-buffer sliding door hinge according to claim 2 or 3, characterized in that the hinge further comprises a synchronization bar (50), the other end of the straight bar (21) is provided with a mounting hole (211), and the synchronization bar (50) is matched with the mounting hole (211).

5. A double buffered sliding door hinge according to claim 4, wherein the mounting hole (211) is a square hole and the synchronization bar (50) is square.

6. A double-buffer translational door hinge according to any one of claims 1 to 3, wherein the main arm (1) and the support rod (10) are vertically arranged and are of an integrally formed structure, and the fourth rotating shaft (8) is sleeved at the joint of the main arm (1) and the support rod (10).

7. A double-buffer translational door hinge according to any one of claims 1 to 3, wherein the auxiliary arm (2) further comprises an inclined rod (24), one end of the inclined rod (24) is connected with the arc-shaped rod (22), the first rotating shaft (5) is sleeved at one end of the inclined rod (24), the inclined rod (24) inclines towards one side far away from the main arm (1), a limiting table (25) is arranged at the joint of the inclined rod (24) and the arc-shaped rod (22), and the limiting table (25) corresponds to the main arm (1).

8. A double-buffer translational door hinge according to any one of claims 1 to 3, characterized by further comprising a fixing seat (20), wherein the fixing seat (20) is arranged at one end of the main arm (1) and the auxiliary arm (2), the first rotating shaft (5) and the third rotating shaft (7) are installed on the fixing seat (20), and a piston rod of the second cylinder (4) corresponds to the inner wall of the fixing seat (20).

9. The hinge of double buffering translation door according to claim 8, further comprising a base (30), wherein the first cylinder (3) is located inside the base (30), and the second rotating shaft (6) and the fourth rotating shaft (8) are both installed on the base (30).

10. A double buffered sliding door hinge according to claim 9, characterised in that a flat bearing (40) is provided between the first rotary shaft (5) and the secondary arm (2).