CN218815849U - Opening force assisting damping hinge assembly - Google Patents

Abstract

The utility model discloses an assist opening power damping hinge assembly, which comprises a lower hinge and an upper hinge hinged with the lower hinge, wherein a rotatable rotating shaft, an axial cam capable of sliding linearly, a pressure spring, a linear damper and a rear cover are sequentially arranged in an inner hole of the lower hinge from top to bottom in a penetrating way, and a shaft body at the upper end of the rotating shaft passes through the upper end of the lower hinge and is fixedly embedded with the upper hinge so as to ensure that the upper hinge is hinged with the lower hinge; the spiral convex teeth formed at the lower end of the rotating shaft are butted with the spiral tooth grooves at the upper end of the axial cam and are used for converting the rotating motion of the rotating shaft into the linear sliding motion of the axial cam; the rear cover is fixed at the lower end of the lower hinge, the upper end and the lower end of the pressure spring are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover, and the upper end and the lower end of the linear damper are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover; the compression spring is sleeved on the periphery of the linear damper.

Description

Opening-assisting damping hinge assembly

The technical field is as follows:

the utility model relates to a hinge product technical field refers in particular to an assist power damping hinge subassembly.

Background art:

hinges, also known as hinges, are often formed in two-fold fashion, being the part that connects and enables the two parts of an object to move. The common hinge is used for cupboard doors, windows, doors and the like. The existing hinge is simple in structure, cannot position an opening angle, does not have a damping effect in a closing process, and is easy to collide.

The patent number is 201921280022.2's chinese utility model discloses a damping hinge, and it includes first hinge blade and second hinge blade, the middle part of first hinge blade is equipped with first connecting portion, the both ends of second hinge blade are equipped with second connecting portion and third connecting portion respectively, the internally mounted torsion spring of first connecting portion, be equipped with the one end and the one end joint of torsion spring of adjusting the axis of rotation and adjusting the axis of rotation in the second connecting portion, third connecting portion endotheca has fixed axis of rotation, the one end of fixed axis of rotation and torsion spring's other end joint, the other end of fixed axis of rotation is pegged graft fixedly with the tip of damping cylinder core, the damping cylinder core is installed in the damping cylinder shell in the third connecting portion. Above-mentioned damping hinge can fix a position the opening angle of hinge, and when the hinge was closed, utilize torsion spring to make the hinge automatic closure, cooperation damping cylinder core and damping cylinder shell produced the damping effect simultaneously for the hinge is slowly closed, convenient to use.

However, when the first hinge blade and the second hinge blade are opened, the torsion spring is used for storing energy, and when the hinge is closed, the torsion (circumferential force) of the torsion spring is used for automatically closing the hinge, but when the torsion spring stores energy, the torsion spring needs to be driven by a large external force, so that the operation action is not smooth enough, namely, the opening is not smooth enough; in addition, when the damping cylinder is closed, the torsion of the torsion spring is overlarge, and the damping cylinder core and the damping cylinder shell are required to generate large damping force to realize buffering, so that the phenomenon of collision is avoided. In addition, the damping hinge cannot provide opening assisting force, and the cabinet door and the like are not convenient to open.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide an assist power damping hinge subassembly.

In order to solve the technical problem, the utility model discloses a following technical scheme: the opening force assisting and damping hinge assembly comprises a lower hinge and an upper hinge hinged with the lower hinge, wherein a rotatable rotating shaft, an axial cam capable of sliding linearly, a pressure spring, a linear damper and a rear cover sequentially penetrate through an inner hole of the lower hinge from top to bottom; the spiral convex teeth formed at the lower end of the rotating shaft are butted with the spiral tooth grooves at the upper end of the axial cam and are used for converting the rotary motion of the rotating shaft into the linear sliding of the axial cam; the rear cover is fixed at the lower end of the lower hinge, the upper end and the lower end of the pressure spring are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover, and the upper end and the lower end of the linear damper are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover; the compression spring is sleeved on the periphery of the linear damper.

Furthermore, in the above technical solution, the surfaces of the upper hinge opposite to the lower hinge are respectively provided with a first rotation stopping portion and a second rotation stopping portion for limiting the rotation angle.

Further, in the above technical solution, a lower cylinder is provided outside the lower hinge, the lower cylinder has the inner hole, and an installation position is provided at the upper end of the lower cylinder; the upper end of the outer side of the upper hinge is provided with an upper barrel which is arranged in the installation position, a shaft body at the upper end of the rotating shaft penetrates through the upper end of the lower barrel to stretch out of the upper end of the lower barrel, and the shaft body and the upper barrel are embedded and fixed.

Further, in the above technical solution, a convex ring is disposed at the upper end of the lower cylinder; an annular groove is formed in the opening at the lower end of the upper barrel, and the convex ring is embedded into the annular groove.

Further, in the above technical solution, the shaft body is non-circular; the upper cylinder body is provided with a non-circular positioning groove, and the shaft body is embedded and fixed in the non-circular positioning groove.

Further, in the above technical solution, the linear damper includes a damping cylinder and a damping rod, an upper end of the damping cylinder is in contact with a lower end face of the axial cam, and a lower end face of the damping rod is in contact with an upper end face of the rear cover.

Further, in the above technical scheme, a small sliding groove and a large sliding groove are arranged at the hole wall of the inner hole of the lower hinge; the rear cover is externally formed with a small sliding block and a large sliding block, the small sliding block and the large sliding block are respectively embedded into the small sliding groove and the large sliding groove, and the small sliding block and the large sliding block penetrate through a first transverse hole at the lower end of the lower hinge and a second transverse hole of the rear cover through a pin shaft so as to lock the rear cover at the lower end of the lower hinge.

Further, in the above technical solution, a large sliding portion is formed at the periphery of the axial cam, and the large sliding portion is embedded in the large sliding groove and can slide relative to the large sliding groove.

Further, in the above technical solution, the upper end surface and the lower end surface of the pressure spring are both provided with a plane.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses when last hinge and the relative closed state of lower hinge, the pivot rotates, and spiral tooth's socket cooperation through pivot lower extreme fashioned spiral dogtooth and axial cam upper end, the rotatory moment of pivot has converted the orthoscopic force of axial cam, thereby convert the rotary motion of pivot into the rectilinear sliding of axial cam, and then promote the direction rectilinear sliding of axial cam to the back lid, at this moment, the orthoscopic force of axial cam is absorbed to the elasticity of pressure spring and the produced damping force of linear damper, and then maintain a force balance, reverse effort of giving the pivot, reach damped effect with this, owing to adopt the orthoscopic force of the two kinds of differences of the elasticity of pressure spring and the produced damping force of linear damper simultaneously, it can reach better damping effect, to installing the utility model discloses a cabinet door, window, door etc. play the cushioning effect of effect ideal, effectively avoid sending the noise because of the product collision, can protect the product better simultaneously. When products such as the cabinet door, the window and the door are required to be opened and installed, the products such as the cabinet door, the window and the door are lifted by hands, the compressed pressure spring can reset to generate outward pushing to form a linear force, the axial cam is pushed to move linearly outwards through the linear force, the spiral tooth grooves in the upper end of the axial cam are matched with the spiral convex teeth formed at the lower end of the rotating shaft, the linear force is a rotating force, the rotating shaft is driven to rotate at a small angle, the purpose of forming an opening assisting force is achieved, and therefore the products such as the cabinet door, the window and the door can be driven to be opened at a certain angle, reverse damping during opening is effectively reduced, and opening is labor-saving and easier; however, open when products such as cupboard door, window, door and the like and all can produce damping effect with any angle, the phenomenon of tong can not appear to the use is got up more conveniently safely, in addition, when installing the utility model discloses a when products such as cupboard door, window, door are opened, should go up hinge and lower hinge do not have as in the background art torsion spring's torsion hindrance, it is opened and need not great power, and operates more conveniently, smoothly.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of another perspective of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is a perspective view of the upper hinge of the present invention;

fig. 6 is a perspective view of the middle and lower hinges of the present invention;

fig. 7 is an internal structure diagram of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1 to 7, there is shown an opening force-assisting and damping hinge assembly including a lower hinge 1 and an upper hinge 2 hingedly mounted to the lower hinge 1, which is used for a cabinet door, a window, a door, etc.

A rotatable rotating shaft 7, an axial cam 3 capable of sliding linearly, a pressure spring 4, a linear damper 5 and a rear cover 6 are sequentially arranged in an inner hole 101 of the lower hinge 1 in a penetrating manner from top to bottom, and a shaft body 71 at the upper end of the rotating shaft 7 penetrates through the upper end of the lower hinge 1 and is fixedly embedded with the upper hinge 2, so that the upper hinge 2 is hinged with the lower hinge 1; the spiral convex teeth 72 formed at the lower end of the rotating shaft 7 are butted with the spiral tooth grooves 31 at the upper end of the axial cam 3 and are used for converting the rotating motion of the rotating shaft 7 into the linear sliding motion of the axial cam 3; the rear cover 6 is fixed at the lower end of the lower hinge 1, the upper end and the lower end of the pressure spring 4 are respectively contacted with the lower end face of the axial cam 3 and the upper end face of the rear cover 6, and the upper end and the lower end of the linear damper 5 are respectively contacted with the lower end face of the axial cam 3 and the upper end face of the rear cover 6; the compression spring 4 is sleeved on the periphery of the linear damper 5. The utility model discloses when last hinge 2 and the relative closure state of lower hinge 1, pivot 7 rotates, and spiral tooth's socket 31 cooperation through pivot 7 lower extreme fashioned spiral dogtooth 72 and axial cam 3 upper end, the rotatory moment of pivot 7 has converted axial cam 3's orthoscopic force, thereby convert the rotary motion of pivot 7 into axial cam 3's rectilinear sliding, and then promote axial cam 3 to the direction rectilinear sliding of back lid 6, at this moment, the produced damping force of elasticity of pressure spring 4 and linear damper 5 absorbs axial cam 3's orthoscopic force, and then maintain a force balance, reverse 3 a reverse effort for the pivot, with this effect that reaches the damped, because the produced damping force of elasticity of pressure spring 4 and linear damper 5 absorbs axial cam 3's orthoscopic force simultaneously, it can reach better damping effect, to installing the utility model discloses a cabinet door, window, product such as door play the very ideal cushioning effect, effectively avoid sending the noise because of the product, can protect the product better simultaneously. When the cabinet door, the window, the door and other products are required to be opened again, the cabinet door, the window, the door and other products are lifted up by hand, the compressed pressure spring 4 can reset to generate outward pushing to form a linear force, the axial cam 3 is pushed to move linearly outwards by the linear force, the spiral tooth groove 31 at the upper end of the axial cam 3 is matched with the spiral convex tooth 72 formed at the lower end of the rotating shaft 7, the linear force is a rotating force to drive the rotating shaft 7 to rotate at a small angle, the purpose of forming the opening assisting force is achieved, and therefore the cabinet door, the window, the door and other products can be driven to open at a certain angle, reverse damping during opening is effectively reduced, and labor saving and easiness in opening are achieved; however, open when products such as cupboard door, window, door and the like and all can produce damping effect with any angle, the phenomenon of tong can not appear to the use is got up convenient safety more, in addition, when installing the utility model discloses a when products such as cupboard door, window, door are opened, should go up hinge 2 and lower hinge 1 and do not have as in the background art torsion spring's torsion hindrance, it need not great power to open, and the operation is got up more conveniently, smoothly.

The surfaces of the upper hinge 2 facing the lower hinge 1 are provided with a first rotation stop portion 21 and a second rotation stop portion 11 for limiting the rotation angle. After the upper hinge 2 and the lower hinge 1 rotate relatively, after the first rotation stopping part 21 and the second rotation stopping part 11 are contacted, the upper hinge 2 and the lower hinge 1 cannot rotate, the rotation stopping effect is achieved, and the product can be prevented from being opened by too large angle.

A lower cylinder body 12 is arranged outside the lower hinge 1, the lower cylinder body 12 is provided with the inner hole 101, and the upper end of the lower cylinder body 12 is provided with a mounting position 13; go up 2 outside upper ends of hinge and have last barrel 22, should go up barrel 22 and install in installation position 13, just the axis body 71 of pivot 7 upper end passes this 12 upper ends of barrel down in order to stretch out outside 12 upper ends of barrel down, and this axis body 71 inlays fixedly with last barrel 22, and its assembly structure is stable, guarantees to go up hinge 2 and lower hinge 1 and stably realizes articulatedly to guarantee to go up hinge 2 and lower hinge 1 assembly structure more complete, the appearance is more pleasing to the eye.

A convex ring 121 is arranged at the upper end of the lower cylinder 12; an annular groove 221 is formed in the opening at the lower end of the upper barrel 22, and the protruding ring 121 is embedded into the annular groove 221, so that rotatable connection is achieved, the stability of the hinge structure can be further improved, and the upper hinge 2 and the lower hinge 1 can rotate more stably.

The shaft body 71 is non-circular; the upper cylinder 22 has a non-circular positioning slot 222, and the shaft 71 is inserted and fixed in the non-circular positioning slot 222.

The linear damper 5 comprises a damping cylinder 51 and a damping rod 52, the upper end of the damping cylinder 51 is in contact with the lower end face of the axial cam 3, and the lower end face of the damping rod 52 is in contact with the upper end face of the rear cover 6.

A small sliding groove 102 and a large sliding groove 103 are arranged on the hole wall of an inner hole 101 of the lower hinge 1; the rear cover 6 is externally formed with a small slider 61 and a large slider 62, the small slider 61 and the large slider 62 are respectively inserted into the small sliding groove 102 and the large sliding groove 103, and pass through a first transverse hole 104 at the lower end of the lower hinge 1 and a second transverse hole 63 of the rear cover 6 by a pin 64 to lock the rear cover 6 to the lower end of the lower hinge 1.

The axial cam 3 is formed with a large sliding portion 32 on the periphery, and the large sliding portion 32 is embedded in the large sliding groove 103 and can slide relative to the large sliding groove 103.

The upper end face and the lower end face of the pressure spring 4 are both arranged to be planes.

To sum up, the utility model discloses when last hinge 2 and lower hinge 1 relatively closed state, pivot 7 rotates, and spiral tooth's socket 31 cooperation through pivot 7 lower extreme fashioned spiral dogtooth 72 and axial cam 3 upper end, the rotatory moment of pivot 7 has converted axial cam 3's straight line force, thereby convert the rotary motion of pivot 7 into axial cam 3's straight line slip, and then promote axial cam 3 to the direction straight line slip of back lid 6, at this moment, the straight line force of axial cam 3 is absorbed to the elasticity of pressure spring 4 and the produced damping force of straight line attenuator 5, and then maintain a power balance, reverse counter acting force for pivot 3, and so reach damped effect, because the straight line force of these two kinds of differences of damping forces that adopt the elasticity of pressure spring 4 and the produced of straight line attenuator 5 simultaneously absorbs axial cam 3, it can reach better damping effect, to installing the utility model discloses a cabinet door, window, door etc. play the cushioning effect ideal very, effectively avoid sending the noise because of product collision, can protect the product better simultaneously. When the cabinet door, the window, the door and other products are required to be opened and installed, the cabinet door, the window, the door and other products are lifted by hands, the compressed pressure spring 4 can reset to generate outward pushing to form a linear force, the axial cam 3 is pushed to move linearly outwards through the linear force, the spiral tooth groove 31 at the upper end of the axial cam 3 is matched with the spiral convex tooth 72 formed at the lower end of the rotating shaft 7, the linear force is a rotating force to drive the rotating shaft 7 to rotate at a small angle, the purpose of forming an opening assisting force is achieved, and therefore the cabinet door, the window, the door and other products can be driven to open at a certain angle, reverse damping during opening is effectively reduced, and opening is labor-saving and easier; however, open when products such as cupboard door, window, door and the like and all can produce damping effect with any angle, the phenomenon of tong can not appear to the use is got up convenient safety more, in addition, when installing the utility model discloses a when products such as cupboard door, window, door are opened, should go up hinge 2 and lower hinge 1 and do not have as in the background art torsion spring's torsion hindrance, it need not great power to open, and the operation is got up more conveniently, smoothly.

Of course, the above description is only for the specific embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent changes or modifications made by the structure, characteristics and principles according to the claims of the present invention should be included in the claims of the present invention.

Claims (9)

1. The utility model provides an assist power of opening and damp hinge subassembly, its includes lower hinge (1) and with lower hinge (1) articulated installation last hinge (2), its characterized in that:

a rotatable rotating shaft (7), an axial cam (3) capable of sliding linearly, a pressure spring (4), a linear damper (5) and a rear cover (6) are sequentially arranged in an inner hole (101) of the lower hinge (1) in a penetrating manner from top to bottom, a shaft body (71) at the upper end of the rotating shaft (7) penetrates through the upper end of the lower hinge (1) and is fixedly embedded with the upper hinge (2), so that the upper hinge (2) is hinged with the lower hinge (1); the spiral convex teeth (72) formed at the lower end of the rotating shaft (7) are butted with the spiral tooth grooves (31) at the upper end of the axial cam (3) and are used for converting the rotary motion of the rotating shaft (7) into the linear sliding of the axial cam (3); the rear cover (6) is fixed at the lower end of the lower hinge (1), the upper end and the lower end of the pressure spring (4) are respectively contacted with the lower end surface of the axial cam (3) and the upper end surface of the rear cover (6), and the upper end and the lower end of the linear damper (5) are respectively contacted with the lower end surface of the axial cam (3) and the upper end surface of the rear cover (6); the compression spring (4) is sleeved on the periphery of the linear damper (5).

2. The opening-assist damping hinge assembly of claim 1, wherein: and the surfaces of the upper hinge (2) opposite to the lower hinge (1) are respectively provided with a first rotation stopping part (21) and a second rotation stopping part (11) for limiting the rotation angle.

3. The opening-assist damping hinge assembly of claim 2, wherein: a lower cylinder (12) is arranged on the outer side of the lower hinge (1), the lower cylinder (12) is provided with the inner hole (101), and the upper end of the lower cylinder (12) is provided with an installation position (13); the upper end of the outer side of the upper hinge (2) is provided with an upper cylinder body (22), the upper cylinder body (22) is installed in the installation position (13), a shaft body (71) at the upper end of the rotating shaft (7) penetrates through the upper end of the lower cylinder body (12) to extend out of the upper end of the lower cylinder body (12), and the shaft body (71) and the upper cylinder body (22) are embedded and fixed.

4. The opening-assist damping hinge assembly of claim 3, wherein: a convex ring (121) is arranged at the upper end of the lower cylinder body (12); an annular groove (221) is formed in the opening of the lower end of the upper barrel (22), and the convex ring (121) is embedded into the annular groove (221).

5. The opening-assist damping hinge assembly of claim 3, wherein: the shaft body (71) is non-circular; the upper cylinder (22) is provided with a non-circular positioning groove (222), and the shaft body (71) is embedded and fixed in the non-circular positioning groove (222).

6. The opening-assist damping hinge assembly as claimed in any one of claims 1 to 5, wherein: the linear damper (5) comprises a damping cylinder body (51) and a damping rod (52), the upper end of the damping cylinder body (51) is in contact with the lower end face of the axial cam (3), and the lower end face of the damping rod (52) is in contact with the upper end face of the rear cover (6).

7. A split-assist damping hinge assembly as claimed in any one of claims 1 to 5, wherein: a small sliding groove (102) and a large sliding groove (103) are formed in the hole wall of an inner hole (101) of the lower hinge (1); the rear cover (6) is externally molded with a small sliding block (61) and a large sliding block (62), the small sliding block (61) and the large sliding block (62) are respectively embedded into a small sliding groove (102) and a large sliding groove (103), and the small sliding block and the large sliding block pass through a first transverse hole (104) at the lower end of the lower hinge (1) and a second transverse hole (63) of the rear cover (6) through a pin shaft (64) so as to lock the rear cover (6) at the lower end of the lower hinge (1).

8. The opening-assist damping hinge assembly of claim 7, wherein: the periphery of the axial cam (3) is formed with a large sliding part (32), and the large sliding part (32) is embedded in the large sliding groove (103) and can slide relative to the large sliding groove (103).

9. The opening-assist damping hinge assembly as claimed in any one of claims 1 to 5, wherein: the upper end face and the lower end face of the pressure spring (4) are both arranged to be planes.

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