阅读说明：本技术 一种重型缓冲铰链 (Heavy buffer hinge ) 是由 戴贵阳 于 2020-07-01 设计创作，主要内容包括：本发明是一种重型缓冲铰链,包括铰杯、摇杆、铰臂、底座、曲轴,其中,铰臂安装于底座上,摇杆及曲轴的两端分别与铰杯及铰臂铰接,所述的铰臂还设有弹性储能组件及阻尼器,弹性储能组件包括固定座,弹性件及滑动件,固定座与铰臂连接,弹性件位于固定座及滑动件之间,曲轴及摇杆的后端分别设有摆动部,且铰杯相对铰臂转动打开时,曲轴的摆动部能推动滑动件向铰臂后端方向移动,同时滑动件对弹性件压缩,而摇杆的摆动部在铰杯相对铰臂转动闭合时能对阻尼器进行压缩。本发明通过弹性储能组件对铰杯提供闭合力,降低了铰链的装配难度,提高装配效率,且开关门时静音效果好,还具有关门缓冲功能,避免柜门与柜体大力碰撞。(The invention relates to a heavy buffer hinge which comprises a hinged cup, a rocker, a hinged arm, a base and a crankshaft, wherein the hinged arm is arranged on the base, two ends of the rocker and the crankshaft are respectively hinged with the hinged cup and the hinged arm, the hinged arm is also provided with an elastic energy storage assembly and a damper, the elastic energy storage assembly comprises a fixed seat, an elastic piece and a sliding piece, the fixed seat is connected with the hinged arm, the elastic piece is positioned between the fixed seat and the sliding piece, the rear ends of the crankshaft and the rocker are respectively provided with a swinging part, when the hinged cup rotates and opens relative to the hinged arm, the swinging part of the crankshaft can push the sliding piece to move towards the rear end of the hinged arm, meanwhile, the sliding piece compresses the elastic piece, and when the hinged cup rotates and closes relative to the hinged arm, the swinging part of. According to the invention, the elastic energy storage assembly provides closing force for the hinge cup, so that the assembly difficulty of the hinge is reduced, the assembly efficiency is improved, the silencing effect is good during door opening and closing, the door closing buffer function is also realized, and the cabinet door is prevented from being collided with the cabinet body vigorously.)

1. A heavy buffer hinge comprises a hinge cup (1), a rocker (2), a hinge arm (3), a base (4) and a crankshaft (6), wherein the hinge arm (3) is installed on the base (4), a first shaft hole (81) is arranged at the front end of the rocker (2), a second shaft hole (82) is arranged at the rear end of the rocker (2), a third shaft hole (83) is arranged at the front end of the crankshaft (6), a fourth shaft hole (84) is arranged at the rear end of the crankshaft (6), the front end of the rocker (2) penetrates through the first shaft hole (81) through a first hinge shaft (91) to be hinged with the hinge cup (1), the rear end of the rocker (2) penetrates through the second shaft hole (82) through a second hinge shaft (92) to be hinged with the hinge arm (3), the front end of the crankshaft (6) penetrates through the third shaft hole (83) through a third hinge shaft (93) to be hinged with the hinge cup (1), and the rear end of the crankshaft (6) penetrates through the fourth shaft hole (94) to be hinged with the, the method is characterized in that: the hinge arm (3) still be equipped with elasticity energy storage component (7), elasticity energy storage component (7) are including fixing base (71), elastic component (72) and slider (73), fixing base (71) are connected with hinge arm (3), elastic component (72) are located between fixing base (71) and slider (73), and slider (73) are located one side that fixing base (71) correspond bent axle (6), the rear end of bent axle (6) still is equipped with bent axle swing portion (61), and when hinge cup (1) rotated open relatively hinge arm (3), bent axle swing portion (61) of bent axle (6) can push slider (73) and move to hinge arm (3) rear end direction, slider (73) compress elastic component (72) simultaneously.

2. The heavy duty buffering hinge according to claim 1, wherein the hinge arm (3) is further provided with a damper (5), and the rear end of the rocker (2) is further provided with a rocker swinging part (21), and when the hinge cup (1) is rotatably closed relative to the hinge arm (3), the rocker swinging part (21) of the rocker (2) can compress the damper (5).

3. The heavy buffer hinge according to claim 2, wherein the rear end of the damper (5) is fixed on the fixed seat (71), the front end of the damper (5) is provided with a push block (51), when the hinge cup (1) rotates and closes relative to the hinge arm (3), the rocker swing part (21) slides relative to the push block (51) and pushes the push block (51) to move towards the rear end of the hinge arm (3) to compress the damper (5), and when the hinge cup (1) rotates and opens relative to the hinge arm (3), the damper (5) automatically resets to push the push block (51) to move towards the front end of the hinge arm (3).

4. The heavy duty buffering hinge according to claim 1, wherein a side of the sliding member (73) corresponding to the crankshaft swinging portion (61) has a critical contact portion, and when the crankshaft swinging portion (61) collides with the critical contact portion, the compression amount of the elastic member (72) is maximized; when the interference part of the crankshaft swinging part (61) and the sliding part (73) is positioned at one side of the critical contact part, the elastic part (72) keeps a compressed state, the crankshaft swinging part (61) and the sliding part (73) keep relatively static, and the hinge cup (1) is in an open state; when the contact part of the crankshaft swinging part (61) and the sliding part (73) is positioned at the other side of the critical contact part, and the contact part of the crankshaft swinging part (61) and the sliding part (73) is far away from the critical contact part, the elastic part (72) automatically resets, the crankshaft swinging part (61) and the sliding part (73) relatively slide, and the hinge cup (1) rotates and closes relative to the hinge arm (3).

5. The heavy duty damping hinge according to claim 1, wherein the crank swing portion (61) has a roller (62), the roller (62) is abutted against the sliding member (73), and the roller (62) can roll on the sliding member (73) when the hinge cup (1) rotates relative to the hinge arm (3).

6. The heavy buffer hinge according to claim 5, wherein the crankshaft swing part (61) comprises support plates (60) disposed at the left and right sides of the rear end of the crankshaft (6), the two support plates (60) are respectively provided with a fifth shaft hole (85), the two ends of a roller rotating shaft (95) penetrate through the fifth shaft holes (85) of the two support plates (60), and the roller (62) is disposed between the two support plates (60) and sleeved outside the roller rotating shaft (95).

7. The heavy buffer hinge according to claim 6, wherein the first shaft hole (81), the second shaft hole (82), the third shaft hole (83) and the fourth shaft hole (84) are respectively provided with a shaft sleeve (90), the shaft sleeve (90) comprises an inner ring (901) and an outer ring (902) arranged at the end of the inner ring (901), wherein the diameter of the outer ring (902) is larger than that of the inner ring (901), the inner ring (901) is sleeved in the shaft hole, and the outer ring (902) is positioned outside the shaft hole.

8. The heavy buffer hinge according to claim 7, wherein a limit structure is provided between an inner ring (901) of the shaft sleeve (90) located in the first shaft hole (81), the second shaft hole (82) and the third shaft hole (83) and an inner wall of the corresponding shaft hole, a positioning block (903) extends from an outer side of an outer ring (902) of the shaft sleeve (90) located in the fourth shaft hole (84) along a direction of the crankshaft swing portion (61), a shaft groove (9031) is provided at a position corresponding to the fifth shaft hole (85) on an inner side of the positioning block (903), and an end of the roller rotating shaft (95) is sleeved into the shaft groove (9031) of the positioning block (903) on the corresponding side.

9. The heavy duty buffering hinge according to claim 1, wherein the elastic member (72) is a coil spring, a spring hole (711) is formed in a position corresponding to a rear end of the coil spring at a front end of the fixing seat (71), a spring post (731) is formed in a position corresponding to a front end of the coil spring at a rear side of the sliding member (73), the front end of the coil spring is sleeved outside the spring post (731) of the sliding member (73), and the rear end of the coil spring is inserted into the spring hole (711) of the fixing seat (71).

10. The heavy buffer hinge according to claim 1, wherein the first shaft hole (81), the second shaft hole (82), the third shaft hole (83) and the fourth shaft hole (84) are respectively provided with a shaft sleeve (90), the shaft sleeve (90) comprises an inner ring (901) and an outer ring (902) arranged at the end of the inner ring (901), wherein the diameter of the outer ring (902) is larger than that of the inner ring (901), the inner ring (901) is sleeved in the shaft hole, and the outer ring (902) is positioned outside the shaft hole.

Technical Field

The invention belongs to the technical field of hinges, and particularly relates to a heavy buffer hinge.

Background

The existing furniture door hinge generally presses the connecting rod and the crankshaft through two elastic arms (extending ends) of a torsion spring, so that a hinged cup has a closing force, such as the hinge disclosed in chinese patent publication No. CN 107905661A. This kind of adopt the torsional spring to provide the hinge of closing force, its torsional spring assembly degree of difficulty is high, and no matter the hinge cup is opening or closed process, and two elastic arms of torsional spring all can find relative slip with connecting rod and bent axle to because the friction produces the noise.

Disclosure of Invention

In view of the deficiencies of the prior art, it is an object of the present invention to provide a heavy duty cushioned hinge that is simple to assemble.

In order to achieve the purpose, the invention adopts the technical scheme that: a heavy buffer hinge comprises a hinged cup, a rocker, a hinged arm, a base and a crankshaft, wherein the hinged arm is arranged on the base, a first shaft hole is formed in the front end of the rocker, a second shaft hole is formed in the rear end of the rocker, a third shaft hole is formed in the front end of the crankshaft, a fourth shaft hole is formed in the rear end of the crankshaft, the front end of the rocker is hinged with the hinged cup through the first shaft hole by a first hinge shaft, the rear end of the rocker is hinged with the hinged arm through the second shaft hole by a second hinge shaft, the front end of the crankshaft is hinged with the hinged cup through the third shaft hole by a third hinge shaft, the rear end of the crankshaft is hinged with the hinged arm through the fourth shaft hole by a fourth hinge shaft, the hinged arm is further provided with an elastic energy storage assembly, the elastic energy storage assembly comprises a fixed seat, an elastic piece and a sliding piece, the fixed seat is connected with the hinged arm, the elastic piece is positioned between the fixed seat, when the hinged cup rotates and opens relative to the hinged arm, the crankshaft swinging part of the crankshaft can push the sliding part to move towards the rear end direction of the hinged arm, and meanwhile, the sliding part compresses the elastic part.

In the above-mentioned scheme, when the relative hinge arm of hinge cup rotates and opens, the bent axle rotates and drives the bent axle swing portion of its rear end around the swing of fourth articulated shaft, bent axle swing portion swing in-process and promote the slider to remove to hinge arm rear end direction, the realization is to the elastic component compression, the elastic component is compressed the back and realize the energy storage, at this moment, when needs are closed the door, automatic re-setting after the elastic component is compressed, thereby promote the slider to remove to hinge arm front end direction, promote bent axle swing portion simultaneously around the reverse swing of fourth articulated shaft, thereby drive bent axle and rocker rotate around the circle and make the relative hinge arm of hinge cup rotate the closure, realize the automatic effect of closing the door. According to the hinge cup, the elastic energy storage assembly provides closing force for the hinge cup, and a torsion spring is not needed to provide the closing force, so that the assembly difficulty of the hinge is reduced, and the assembly efficiency is improved.

Furthermore, the hinge arm is further provided with a damper, the rear end of the rocker is further provided with a rocker swinging part, when the hinge cup rotates and closes relative to the hinge arm, the rocker swinging part of the rocker can compress the damper, and due to the damping effect of the damper, the hinge cup slowly rotates along the closing direction, so that the door closing process is slowly performed, and the cabinet door is prevented from being collided with the cabinet body vigorously.

Furthermore, the rear end of the damper is fixed on the fixed seat, so that the damper is convenient to mount, the front end of the damper is provided with the push block, when the hinged cup rotates and closes relative to the hinged arm, the swinging part of the rocker and the push block slide relatively and push the push block to move towards the rear end direction of the hinged arm to compress the damper, and when the hinged cup rotates and opens relative to the hinged arm, the damper automatically resets to push the push block to move towards the front end direction of the hinged arm. The process of closing the door is slowly gone on in this scheme realization, and does not receive the attenuator influence when opening the door, conveniently opens going on of door.

Furthermore, one side of the sliding part corresponding to the crankshaft swinging part is provided with a critical contact part, and when the crankshaft swinging part is abutted against the critical contact part, the compression amount of the elastic part is the maximum; when the contact part of the crankshaft swinging part and the sliding part is positioned at one side of the critical contact part, the elastic part is kept in a compressed state, the crankshaft swinging part and the sliding part are kept relatively static, and the hinge cup is in an open state; when the contact part of the crankshaft swinging part and the sliding part is positioned on the other side of the critical contact part and the contact part of the crankshaft swinging part and the sliding part is far away from the critical contact part, the elastic part automatically resets, the crankshaft swinging part and the sliding part relatively slide, and the hinge cup rotates and closes relative to the hinge arm. The scheme can realize that the hinge cup is in an open state and cannot be automatically closed.

Furthermore, the crankshaft swinging part is provided with a roller which is abutted against the sliding part, and when the hinged cup rotates relative to the hinged arm, the roller can roll on the sliding part, so that the noise generated by friction is effectively reduced.

Furthermore, in order to facilitate the installation of the roller, the crankshaft swinging portion comprises support plates arranged on the left side and the right side of the rear end of the crankshaft, fifth shaft holes are formed in the two support plates respectively, the fifth shaft holes of the two support plates are penetrated by two ends of a roller rotating shaft, and the roller is positioned between the two support plates and sleeved outside the roller rotating shaft.

Further, the first shaft hole, the second shaft hole, the third shaft hole and the fourth shaft hole are respectively provided with a shaft sleeve, each shaft sleeve comprises an inner ring and an outer ring arranged at the end part of the inner ring, the diameter of each outer ring is larger than that of the corresponding inner ring, the inner rings are sleeved in the shaft holes, and the outer rings are located outside the shaft holes. This scheme avoids rocker and bent axle and hinge cup, hinge arm and articulated shaft direct contact through the axle sleeve, can reduce frictional resistance, increases wear resistance, promotes the whole life-span of hinge, the production of noise abatement simultaneously also.

Furthermore, a limiting structure is arranged between the inner ring of the shaft sleeve positioned in the first shaft hole, the second shaft hole and the third shaft hole and the inner wall of the corresponding shaft hole, a positioning block extends from the outer side of the outer ring of the shaft sleeve positioned in the fourth shaft hole along the direction of the swinging part of the crankshaft, a shaft groove is formed in the position, corresponding to the fifth shaft hole, of the inner side of the positioning block, and the end part of the roller rotating shaft is sleeved in the shaft groove of the corresponding side positioning block. Therefore, the shaft sleeve can only slide relative to the hinge shaft but not relative to the shaft hole, and the service life of the shaft sleeve can be prolonged.

Furthermore, foretell elastic component is coil spring, and the position that the front end of fixing base corresponds the coil spring rear end is equipped with the spring hole, and the position that the rear side of slider corresponds the coil spring front end is equipped with the spring post, and coil spring's front end overlaps in the spring post outside of slider, and coil spring's rear end inserts in the spring hole of fixing base, makes things convenient for the assembly of coil spring and fixing base and slider like this, and the stability of coil spring installation is better.

The hinge provides closing force for the hinged cup through the elastic energy storage assembly, and the damper and the elastic energy storage assembly are assembled together, so that the assembly difficulty of the hinge is reduced, and the assembly efficiency is improved; the rocker and the crankshaft are isolated from the hinge cup, the hinge arm and the hinge shaft through the shaft sleeves, the crankshaft swinging part is in contact with the sliding part through the roller, the friction resistance can be reduced, the wear resistance is improved, the whole service life of the hinge is prolonged, the noise is reduced, and the silencing effect is improved.

Drawings

Fig. 1 is a schematic structural view of a heavy duty buffering hinge according to an embodiment of the present invention.

Fig. 2 is an exploded view of a heavy duty buffering hinge according to an embodiment of the present invention.

Fig. 3 is a partial sectional view of an opened state of a heavy duty buffering hinge according to an embodiment of the present invention.

Fig. 4 is a partial sectional view of a heavy duty check hinge according to an embodiment of the present invention in a closed state.

FIG. 5 is a schematic view illustrating an assembled state of the crankshaft, the sleeve and the roller according to the embodiment of the present invention.

Fig. 6 is an exploded view of fig. 5.

Fig. 7 is a schematic structural diagram of the bushing located at the first, second, and third axial holes according to the embodiment of the present invention.

FIG. 8 is a schematic view of the state of the rocker and the shaft sleeve assembled according to the embodiment of the present invention.

Fig. 9 is an exploded view of fig. 8.

Fig. 10 is a schematic structural diagram of the bushing at the position of the fourth shaft hole according to the embodiment of the present invention.

Fig. 11 is a schematic view illustrating an assembled state of the elastic energy storage element and the damper according to the embodiment of the invention.

Fig. 12 is an exploded view of fig. 11.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.

In order to explain the embodiment more simply, some parts which are known to those skilled in the art in the drawings or description but are not relevant to the main content of the present invention will be omitted. In addition, for convenience of description, some components in the drawings may be omitted, enlarged or reduced, but do not represent the size or the entire structure of an actual product, and in the embodiments, for example, the description related to the front, rear, left, right, upper, lower, clockwise, counterclockwise and the like, are relative orientations based on the laying state of the drawings and do not represent the relative orientations of the actual products.