CN217300230U

CN217300230U - Heavy hinge

Info

Publication number: CN217300230U
Application number: CN202220540917.0U
Authority: CN
Inventors: 罗志明; 余汉城
Original assignee: Dongguan Geruisi Precision Hardware Technology Co ltd
Current assignee: Guangdong Grace Precision Hardware Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-26
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a heavy hinge, include hinge cup, first connecting piece, second connecting piece, hinge arm, fall axle sleeve and the torsional spring of making an uproar, the hinge cup is used for being connected with fixed door plant, the one end of first connecting piece with hinge cup pin joint, the other end of first connecting piece with the hinge arm pin joint, the one end of second connecting piece with hinge cup pin joint, the other end of second connecting piece with the hinge arm pin joint, the hinge cup first connecting piece the second connecting piece reaches the hinge arm forms four-bar linkage, it rotationally locates to fall the axle sleeve of making an uproar on the second connecting piece, the torsional spring set up in on the hinge arm, just the one end butt of torsional spring in fall on the axle sleeve of making an uproar, the other end butt of torsional spring in on the hinge arm. The utility model discloses a heavy hinge can be used on thick door plant and heavy door plant to have and adjust the silence effect.

Description

Heavy hinge

Technical Field

The utility model relates to a door and window blind hinge technical field especially relates to a heavy hinge.

Background

Most of the products such as cabinets, desks and household appliances are provided with door cabinets, and usually, a hidden hinge is installed at a corner of the door cabinet to realize the opening and closing of the door cabinet. With the development of the household market, door cabinets with door plates of 30MM in thickness and 25KG in weight appear on the market. The ordinary hinges on the market at present need bear the door cabinets with the specifications, and very many hinges are needed for distributing weight, so that the problems of low installation efficiency, difficulty in adjustment and the like are caused. For example, since the common hinge is made of a thinner material, the structure is limited by size and lacks space, and if a door panel with a thickness of 30MM and a weight of 25kg is to be supported, the number of the hinges needs to be increased to 5 to support the weight of the door panel, so that the installation of the product is inconvenient, and the subsequent adjustment is also inconvenient. In addition, the existing door cabinets with common hinges often generate certain noises when being opened and closed, and the use experience of users is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can use on thick door plant and heavy door plant and have the heavy hinge of adjusting the silence effect.

In order to achieve the above object, the utility model provides a heavy hinge, include hinge cup, first connecting piece, second connecting piece, hinge arm, fall axle sleeve and torsional spring of making an uproar, the hinge cup is used for being connected with fixed door plant, the one end of first connecting piece with the hinge cup pin joint, the other end of first connecting piece with the hinge arm pin joint, the one end of second connecting piece with the hinge cup pin joint, the other end of second connecting piece with the hinge arm pin joint, the hinge cup first connecting piece the second connecting piece reaches the hinge arm forms four-bar linkage, it rotationally overlaps and locates to fall the axle sleeve of making an uproar on the second connecting piece, the torsional spring set up in on the hinge arm, just the one end butt of torsional spring in fall the axle sleeve of making an uproar, the other end butt of torsional spring in on the hinge arm.

Preferably, the second connecting member is provided with a first connecting shaft, and the noise reduction shaft sleeve is rotatably sleeved on the first connecting shaft.

Preferably, the heavy hinge further comprises a third connecting member and a damper, one end of the third connecting member is pivotally connected to the second connecting member, the other end of the third connecting member is pivotally connected to one end of the damper, and the other end of the damper is pivotally connected to the hinge arm.

Preferably, a second connecting shaft is arranged on the hinged arm, and the damper is pivoted on the second connecting shaft.

Preferably, a limiting groove is formed in the third connecting piece, a third connecting shaft is arranged on the hinged arm, and the third connecting shaft penetrates through the limiting groove.

Preferably, the heavy hinge further comprises a fixed base, the hinge arm is provided with a groove, the fixed base is provided with a protrusion, the hinge arm is sleeved on the protrusion in a sliding and adjusting manner through the groove, and the fixed base is provided with an avoiding groove for the second connecting shaft to pass through.

Preferably, the heavy hinge further comprises an adjusting screw, a first threaded hole is formed in the hinge arm, a first adjusting groove is formed in the fixed base along the front-back direction, and the adjusting screw penetrates through the first threaded hole and the first adjusting groove.

Preferably, the heavy hinge further comprises an eccentric screw, a second adjusting groove is formed in the hinge arm, a second threaded hole is formed in the fixing base, and the eccentric screw penetrates through the second adjusting groove and the second threaded hole.

Preferably, the heavy hinge further comprises a sliding block, and the fixing base is arranged on the sliding block in a vertically adjustable manner.

Preferably, the fixed base is provided with a third adjusting groove along the vertical direction, and the sliding block is provided with a connecting hole communicated with the third adjusting groove.

Compared with the prior art, the utility model discloses a heavy hinge's hinge cup can adopt 40 cup heads in bigger space for the material thickness of product can multiplicable, thereby improves bearing capacity, and on this basis, the utility model discloses a heavy hinge still falls the axle sleeve of making an uproar through rotationally setting up on the second connecting piece, with the one end butt of torsional spring on this axle sleeve of making an uproar falls, when heavy hinge rotates to expand or close, falls the contact between axle sleeve and the torsional spring of making an uproar and becomes sliding friction for rolling friction, and produced noise when greatly having reduced the axle sleeve extrusion of making an uproar or releasing the torsional spring of making an uproar. Therefore, the utility model discloses a heavy hinge can use on thick door plant and heavy door plant to have and adjust the silence effect.

Drawings

Fig. 1 is a front view of the heavy duty hinge of the present invention.

Fig. 2 is an exploded view of a partial structure of the heavy duty hinge of the present invention.

Fig. 3 is a top view of the heavy duty hinge of the present invention.

Fig. 4 is a perspective view of the heavy duty hinge of the present invention.

Fig. 5 is a structural view of the hinge arm of the present invention.

Fig. 6 is a structural diagram of the fixing base of the present invention.

Fig. 7 is a structural view of the eccentric screw of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, the heavy hinge 100 of the present invention includes a hinge cup 1, a first connector 2, a second connector 3, a hinge arm 4, a noise reduction sleeve 51 and a torsion spring 52. The hinge cup 1 is used for connecting with a fixed door panel. One end of the first connecting piece 2 is pivoted with the hinge cup 1, and the other end of the first connecting piece 2 is pivoted with the hinge arm 4. One end of the second connecting piece 3 is pivoted with the hinge cup 1, and the other end of the second connecting piece 3 is pivoted with the hinge arm 4. The hinge cup 1, the first connector 2, the second connector 3 and the hinge arm 4 form a four-bar linkage. The noise reduction shaft sleeve 51 is rotatably sleeved on the second connecting piece 3; specifically, the second connecting member 3 is provided with a first connecting shaft 31, and the noise reduction shaft sleeve 51 is rotatably sleeved on the first connecting shaft 31. The torsion spring 52 is arranged on the hinged arm 4, one end of the torsion spring 52 abuts against the noise reduction shaft sleeve 51, and the other end of the torsion spring 52 abuts against the hinged arm 4; specifically, the hinge arm 4 is provided with a mounting shaft 46, and the torsion spring 52 is sleeved on the mounting shaft 46.

Referring to fig. 2, the heavy hinge 100 of the present invention further includes a third connecting member 6 and a damper 7, wherein one end of the third connecting member 6 is pivotally connected to the second connecting member 3, the other end of the third connecting member 6 is pivotally connected to one end of the damper 7, and the other end of the damper 7 is pivotally connected to the hinge arm 4. Specifically, the hinge arm 4 is provided with a second connecting shaft 41, and the damper 7 is pivoted on the second connecting shaft 41. The second connecting shaft 41 is disposed through the damper 7, and the damper 7 can rotate around the second connecting shaft 41. Furthermore, a limiting groove 61 is formed in the third connecting piece 6, a third connecting shaft 42 is arranged on the hinged arm 4, and the third connecting shaft 42 penetrates through the limiting groove 61.

Referring to fig. 1, fig. 3, fig. 5 and fig. 6, the heavy hinge 100 of the present invention further includes a fixing base 81, the hinge arm 4 has a groove 43, the fixing base 81 has a protrusion 811, the hinge arm 4 is slidably sleeved on the protrusion 811 through the groove 43, and the fixing base 81 is provided with an avoiding groove 812 for the second connecting shaft 41 to pass through. Here, as shown in fig. 3, the x direction represents the front-rear direction, and the z direction represents the up-down direction. Specifically, the heavy hinge 100 further includes an adjusting screw 82, the hinge arm 4 is provided with a first threaded hole 44, the fixing base 81 is provided with a first adjusting groove 813 along the front-back direction, and the adjusting screw 82 penetrates through the first threaded hole 44 and the first adjusting groove 813. The relative communication position of the first threaded hole 44 and the first adjusting groove 813 is adjusted by loosening the adjusting screw 82 and then adjusting the relative position of the hinge arm 4 and the fixing base 81 back and forth, and the hinge arm 4 and the fixing base 81 are locked together by locking the adjusting screw 82. However, the structure and manner of adjusting the hinge arm 4 back and forth are not limited to this, and for example, a plug pin can be inserted into different locking holes to adjust the relative position of the hinge arm 4 and the fixed base 81.

Referring to fig. 3, the heavy hinge 100 of the present invention further includes an eccentric screw 83, a second adjusting groove 45 is disposed on the hinge arm 4, a second threaded hole 814 is disposed on the fixed base 81, and the eccentric screw 83 is disposed in the second adjusting groove 45 and the second threaded hole 814. By arranging the eccentric screw 83, the hinge arm 4 is further locked with the fixing base 81, and the connection stability of the hinge arm 4 and the fixing base 81 is ensured.

Referring to fig. 3 to 6, the heavy hinge 100 of the present invention further includes a sliding block 84, and the fixing base 81 is disposed on the sliding block 84 in a vertically adjustable manner. Specifically, the fixed base 81 is provided with a third adjusting groove 815 along the up-down direction, and the sliding block 84 is provided with a connecting hole 841 communicated with the third adjusting groove 815. The fixing base 81 and the sliding block 84 can be locked to the opening/closing door (not shown) by passing screws through the third adjusting grooves 815 and the connecting holes 841. However, when the position needs to be adjusted, the screw is loosened and screwed, the position of the fixed base 81 relative to the sliding block 84 is adjusted back and forth, so that the communication position of the third adjusting groove 815 and the connecting hole 841 is adjusted, and then the screw is locked, so that the fixed base 81 and the sliding block 84 are locked at the adjusted position. Furthermore, a fourth adjusting groove 816 is formed in the fixed base 81, a connecting screw hole is formed in the sliding block 84, and the eccentric screw 83 penetrates through the fourth adjusting groove 816 and the connecting screw hole, so that the positions of the fixed base 81 and the sliding block 84 are locked. When the positions of the fixed base 81 and the sliding block 84 are adjusted, the eccentric screw 83 is loosened. After the adjustment is completed, the eccentric screw 83 is locked.

With reference to fig. 1 to 7, the specific working principle of the heavy duty hinge 100 of the present invention is as follows:

the external force drives the four-bar linkage formed by the hinged cup 1, the first connecting piece 2, the second connecting piece 3 and the hinged arm 4 to move, so that the hinged arm 4, the fixed base 81 and the sliding block 84 rotate relative to the hinged cup 1, and the opening and closing door is driven to rotate to open or close. In the process that the opening and closing door is driven to close by external force, the second connecting piece 3 extrudes the torsion spring 52 through the noise reduction shaft sleeve 51, the second connecting piece 3 rotates anticlockwise, the heavy hinge 100 generates power for closing the door, the third connecting piece 6 drives the damper 7, and the damper 7 starts to play a buffering effect. The second link 3 then releases the torsion spring 52 through the noise reduction bushing 51, and the torsion spring 52 releases the compression power, causing the heavy-duty hinge 100 to continue the door closing motion until the opening and closing door moves to the door closing position. Whereas the door opening process is opposite to the door closing process.

To sum up, the utility model discloses a heavy hinge 100's hinge cup 1 can adopt 40 cup heads in bigger space for the material thickness of product can multiplicable, thereby improves bearing capacity, and on this basis, the utility model discloses a heavy hinge 100 still falls axle sleeve 51 of making an uproar through rotationally setting up on second connecting piece 3, falls the one end butt of torsional spring 52 on this axle sleeve 51 of making an uproar, when heavy hinge 100 rotates to expand or close, falls the contact change sliding friction between axle sleeve 51 of making an uproar and the torsional spring 52 and be rolling friction, and greatly reduced fall the axle sleeve 51 extrusion of making an uproar or the produced noise when releasing torsional spring 52. Furthermore, the heavy hinge 100 of the present invention is further provided with a damper 7, which can perform a damping function when the door is opened or closed. Therefore, the utility model discloses a heavy hinge 100 built-in silence damping opens and shuts smoothly noiselessly, and the material thickening has the resistance to compression dead weight performance more firm, can use on thick door board and heavy door board, if be used for on the thick door board of 20MM-30MM, bears the heavy a pair of hinge about only needing of 25KG door, in addition, adopts admittedly to adorn three-dimensional base, and the installation is simple, and it is convenient to adjust.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a heavy hinge, its characterized in that includes hinge cup, first connecting piece, second connecting piece, hinge arm, falls axle sleeve and torsional spring of making an uproar, the hinge cup is used for being connected with fixed door plant, the one end of first connecting piece with the hinge cup pin joint, the other end of first connecting piece with the hinge arm pin joint, the one end of second connecting piece with the hinge cup pin joint, the other end of second connecting piece with the hinge arm pin joint, the hinge cup first connecting piece the second connecting piece reaches the hinge arm forms four-bar linkage, it rotationally overlaps and locates to fall the axle sleeve of making an uproar on the second connecting piece, the torsional spring set up in on the hinge arm, just the one end butt of torsional spring in fall on the axle sleeve of making an uproar, the other end butt of torsional spring in on the hinge arm.

2. The heavy duty hinge as claimed in claim 1, wherein the second connecting member is provided with a first connecting shaft, and the noise reduction sleeve is rotatably sleeved on the first connecting shaft.

3. The heavy duty hinge of claim 1, further comprising a third link and a damper, wherein one end of the third link is pivotally connected to the second link, the other end of the third link is pivotally connected to one end of the damper, and the other end of the damper is pivotally connected to the hinge arm.

4. The heavy duty hinge according to claim 3, wherein said hinge arm is provided with a second connecting shaft, and said damper is pivoted to said second connecting shaft.

5. The heavy duty hinge according to claim 4, wherein a limiting groove is provided on the third connecting member, a third connecting shaft is provided on the hinge arm, and the third connecting shaft is inserted into the limiting groove.

6. The heavy duty hinge according to claim 4, further comprising a fixing base, wherein the hinge arm has a groove, the fixing base has a protrusion, the hinge arm is slidably sleeved on the protrusion through the groove, and the fixing base is provided with an avoiding groove for the second connecting shaft to pass through.

7. The heavy duty hinge according to claim 6, further comprising an adjusting screw, wherein the hinge arm is provided with a first threaded hole, the fixed base is provided with a first adjusting groove along a front-back direction, and the adjusting screw is inserted into the first threaded hole and the first adjusting groove.

8. The heavy duty hinge of claim 7, further comprising an eccentric screw, wherein the hinge arm is provided with a second adjusting groove, the fixed base is provided with a second threaded hole, and the eccentric screw is inserted into the second adjusting groove and the second threaded hole.

9. The heavy duty hinge of claim 6, further comprising a slider, wherein said stationary base is adjustably disposed up and down on said slider.

10. The heavy duty hinge according to claim 9, wherein said fixed mount base is provided with a third adjusting groove in an up-down direction, and said slider is provided with a connecting hole communicating with said third adjusting groove.