CN223089150U - Buffer mechanism and buffer hinge - Google Patents

Abstract

The utility model provides a buffer mechanism and a buffer hinge, wherein the buffer mechanism comprises a first sleeve, a second sleeve, a transmission shaft sleeve, a rotating shaft core, a guide post, an elastic piece and a damper, one end of the transmission shaft sleeve is connected with the first sleeve, the other end of the transmission shaft sleeve is connected with the second sleeve, one end of the rotating shaft core is inserted into the transmission shaft sleeve and cannot rotate relative to the transmission shaft sleeve, the other end of the rotating shaft core is positioned in the second sleeve, a rotating guide groove is formed in the outer wall of the rotating shaft core and spirally arranged around the outer wall of the rotating shaft core, one end of the guide post is connected with the inner wall of the second sleeve, the other end of the guide post is inserted into the rotating guide groove, one end of the elastic piece is connected with the second sleeve, the other end of the elastic piece is in butt joint with the rotating shaft core, the damper is arranged on the first sleeve, and a movable shaft of the damper is in butt joint with the rotating shaft core. The buffer mechanism and the buffer hinge have the advantages of simple production and processing technology, long service life, good adaptability and more convenient use.

Description

Buffer mechanism and buffer hinge

Technical Field

The utility model relates to the technical field of buffers, in particular to a buffer mechanism and a buffer hinge.

Background

Among the current hinges, buffering hinge is a special hinge, and its main characteristics has added buffer gear in the hinge inside, can reduce collision force through slowing down closing speed when two parts are closed to realize the buffering effect.

According to the difference of buffering mode, the buffering hinge can be divided into multiple types, and the comparatively common hydraulic buffering hinge that is, at present hydraulic buffering hinge is general for built-in oil circuit, and the inside oil circuit reset member of hydraulic buffering hinge is all established in same cavity with hydraulic buffering mechanism's component, and reset member is because of the oil circuit that the hydraulic buffering was blockked up easily to the foreign matter that the motion wearing and tearing produced in the use, leads to the product to damage easily, and product inner structure complicacy leads to the product volume great moreover, is difficult to with door leaf coordination, and it is inconvenient to use.

Disclosure of utility model

The utility model aims to provide a buffer mechanism and a buffer hinge, which aim to solve the problems that the existing buffer hinge is easy to damage, short in service life and inconvenient to use due to difficulty in coordination with a door leaf.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

In a first aspect, there is provided a cushioning mechanism comprising:

A first sleeve;

a second sleeve rotatable relative to the first sleeve;

One end of the transmission shaft sleeve is connected with the first sleeve, the other end of the transmission shaft sleeve is connected with the second sleeve, and the transmission shaft sleeve can rotate relative to the second sleeve;

The rotating shaft core is inserted into the driving shaft sleeve at one end and cannot rotate relative to the driving shaft sleeve, the other end of the rotating shaft core is positioned in the second sleeve, a rotating guide groove is formed in the outer wall of the rotating shaft core, and the rotating guide groove is spirally arranged around the outer wall of the rotating shaft core;

One end of the guide post is connected to the inner wall of the second sleeve, and the other end of the guide post is inserted into the rotary guide groove;

One end of the elastic piece is connected with the second sleeve, and the other end of the elastic piece is abutted against the rotating shaft core;

And the damper is arranged on the first sleeve, and the movable shaft of the damper is abutted to the rotating shaft core.

Optionally, the rotation guide groove includes spiral section and horizontal section, the spiral section is around the outer wall spiral setting of axis of rotation core, the horizontal section is followed the Zhou Xiangrao of axis of rotation core the outer wall setting of axis of rotation core, the spiral section is followed the axial projection of axis of rotation core is quarter circular arc, the horizontal section is followed the axial projection of axis of rotation core is quarter circular arc.

Optionally, the number of the rotation guide groove and the number of the guide posts are two, the two guide posts are respectively inserted into the two rotation guide grooves, and the two rotation guide grooves are arranged in a central symmetry manner relative to the axis of the rotation shaft core.

Optionally, one end of the guide post, which is close to the rotation guide groove, is hemispherical, and two ends of the rotation guide groove are provided with stop positions, and the stop positions are hemispherical grooves matched with the guide post.

Optionally, the buffer mechanism further includes a first adjusting member screwed to the first sleeve and capable of abutting against an end of the damper away from the rotating shaft core.

Optionally, the buffer mechanism further includes a second adjusting member, where the second adjusting member is screwed to the second sleeve and can abut against an end of the elastic member away from the rotating shaft core.

Optionally, the buffer mechanism further comprises a locking piece, a locking hole is formed in the outer wall of the first sleeve, and the locking piece is in threaded connection with the locking hole and abuts against the transmission shaft sleeve.

Optionally, the driving shaft sleeve is provided with a driving plug-in part, a first rotation stopping hole for the driving plug-in part to be inserted is formed in the first sleeve, the cross sections of the driving plug-in part and the first rotation stopping hole are polygonal, the rotating shaft core is provided with a rotation stopping plug-in part, a second rotation stopping hole for the rotation stopping plug-in part to be inserted is formed in the driving shaft sleeve, and the cross sections of the rotation stopping plug-in part and the second rotation stopping hole are polygonal, and the cross sections of the two rotation stopping holes are polygonal.

Optionally, the buffer mechanism further includes a first planar bearing and a second planar bearing, the first planar bearing is disposed between the first sleeve and the second sleeve, the second planar bearing is disposed within the second sleeve, and the second planar bearing is disposed between the outdrive and the second sleeve.

In a second aspect, a buffer hinge is provided, including a first connecting piece, a second connecting piece and the buffer mechanism, where the first connecting piece has a first connecting portion and a second connecting portion, the first connecting portion is connected to the first sleeve and cannot rotate relative to the first sleeve, the second connecting portion is rotationally connected to the second sleeve, and the second connecting piece is connected to the second sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. In the buffering mechanism provided by the utility model, the first sleeve and the second sleeve are mainly used for connecting two connecting pieces of a hinge, the first sleeve and the second sleeve can realize the rotation function of the whole hinge in a mutual rotation mode, the first sleeve drives the rotation shaft core to rotate through the transmission shaft sleeve when rotating, and the rotation shaft core is provided with the spiral rotation guide groove, and the second sleeve is internally provided with the guide post, so that the rotation shaft core can move along the axial direction of the rotation shaft core while rotating, in particular, the hinge can move towards the direction of the elastic piece when rotating in the process from closing to opening, at the moment, the elastic piece can be in a compression state, the hinge can release self elastic potential energy in the process from opening to closing, the rotation shaft core drives the movable shaft of the damper to move, and the damper can offset the elastic potential energy of part of the elastic piece, so that the rotation shaft core can slowly slide, thereby realizing the buffering effect.

2. According to the buffer hinge provided by the utility model, the buffer mechanism is adopted, so that a good buffer effect can be provided for the mutual rotation between the first connecting piece and the second connecting piece, the buffer effect is better, the applicability is better, and the use is more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a buffer mechanism according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the buffer mechanism of the present utility model;

FIG. 3 is an exploded view of the buffer mechanism of the present utility model;

FIG. 4 is a schematic view of the structure of the rotating shaft core and guide post of the buffer mechanism of the present utility model;

FIG. 5 is a schematic view of the driving sleeve of the buffer mechanism of the present utility model;

fig. 6 is a schematic structural view of the buffering hinge of the present utility model.

In the figure, 1, a first sleeve; 2, a second sleeve, 3, a driving shaft sleeve, 31, a driving plug part, 4, a rotating shaft core, 41, a rotating guide groove, 42, a spiral section, 43, a horizontal section, 44, a stop position, 45, a rotation stopping plug part, 5, a guide post, 51, a limiting ball cover, 52, a ball, 6, an elastic piece, 7, a damper, 8, a first adjusting piece, 9, a second adjusting piece, 10, a locking piece, 11, a first plane bearing, 12, a second plane bearing, 13, a first connecting piece, 14 and a second connecting piece.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The damper mechanism and damper hinge of the present utility model are described below with reference to fig. 1 to 6.

As shown in fig. 1 to 5, the utility model provides a buffer mechanism, which comprises a first sleeve 1, a second sleeve 2, an outdrive sleeve 3, a rotating shaft core 4, a guide post 5, an elastic piece 6 and a damper 7, wherein the second sleeve 2 can rotate relative to the first sleeve 1, one end of the outdrive sleeve 3 is connected with the first sleeve 1, the other end of the outdrive sleeve 3 is connected with the second sleeve 2, the outdrive sleeve 3 can rotate relative to the second sleeve 2, one end of the rotating shaft core 4 is inserted into the outdrive sleeve 3 and can not rotate relative to the outdrive sleeve 3, the other end of the rotating shaft core 4 is positioned in the second sleeve 2, the outer wall of the rotating shaft core 4 is provided with a rotating guide groove 41, the rotating guide groove 41 is spirally arranged around the outer wall of the rotating shaft core 4, one end of the guide post 5 is connected with the inner wall of the second sleeve 2, the other end of the guide post 5 is inserted into the rotating guide groove 41, one end of the elastic piece 6 is connected with the second sleeve 2, the other end of the elastic piece 6 is abutted against the rotating shaft core 4, the damper 7 is arranged on the first sleeve 1, and the movable shaft 71 of the damper 7 is abutted against the rotating shaft core 4.

For convenience of explanation, in the present embodiment, various orientations are shown in fig. 1, and specifically, the first sleeve 1 is located on the upper side of the second sleeve 2.

In the buffer mechanism provided in this embodiment, first sleeve pipe 1 and second sleeve pipe 2 are mainly used for connecting two connecting pieces of hinge, the rotation function of whole hinge can be realized through the mode of mutual rotation to first sleeve pipe 1 and second sleeve pipe 2, drive the rotation axis core 4 through transfer sleeve 3 when first sleeve pipe 1 rotates, because rotation axis core 4 is equipped with the rotation guide slot 41 that the spiral set up, and be equipped with guide post 5 in the second sleeve pipe 2, consequently, rotation axis core 4 still can follow the axial direction of rotation axis core 4 when rotating, specifically, the hinge can move towards elastic component 6 when rotating, elastic component 6 can be in compression state at this moment, hinge can release self elastic potential energy from opening to the in-process of closing, promote rotation axis core 4 to first telescopic direction and remove, rotation axis core 4 drives damper 7's loose axle 71 and removes, damper 7 can offset the elastic potential energy of partial elastic component 6, make rotation axis core 4 can slowly slide, thereby realize buffer effect, compared with current hydraulic buffer mechanism, the utility model, the buffer mechanism of the utility model is simpler in structure can not only need not take into consideration, but also can realize that the whole buffer mechanism is more simple and more convenient, the door leaf is easy to use and has a longer service life, and is more convenient to realize.

In this embodiment, the elastic member 6 is a spring, which can provide stable elastic force, and in some embodiments, the elastic member 6 may also be an elastic member such as a spring plate or a rubber block.

In some embodiments, the rotation guide groove 41 includes a spiral section 42 and a horizontal section 43, the spiral section 42 is spirally disposed around the outer wall of the rotation shaft core 4, the horizontal section 43 is disposed around the outer wall of the rotation shaft core 4 in the circumferential direction of the rotation shaft core 4, the projection of the spiral section 42 in the axial direction of the rotation shaft core 4 is a quarter arc, and the projection of the horizontal section 43 in the axial direction of the rotation shaft core 4 is a quarter arc.

Specifically, the rotation shaft core 4 can be moved up and down while rotating by arranging the spiral section 42, the rotation shaft core 4 can be moved down while rotating in the process from closing to opening, the elastic piece 6 can be in a compressed state at the moment, if the horizontal section 43 is not arranged, the elastic force of the elastic piece 6 can immediately enable the rotation shaft core 4 to move up after rotating, the hinge can not be kept in an open state, namely, the door and window can not be kept in an open state, the use is inconvenient, and by arranging the horizontal section 43 parallel to the horizontal plane, the guide post 5 can enter the horizontal section 43 from the inclined spiral section 42, at the moment, the guide post 5 can not be moved up and down, therefore, the elastic force of the elastic piece 6 can not drive the rotation shaft core 4 to move up, at the moment, namely, the door and window can be kept in an open state, when the hinge needs to be closed, the door and window 4 can be rotated by hand, the guide post 5 can enter the spiral section 42 from the horizontal section 43, the elastic force of the elastic piece 6 can drive the rotation shaft core 4 to move up and the door and window can not be pushed up, and the door and window can be closed more conveniently.

In some embodiments, the number of the rotating guide grooves 41 and the number of the guide posts 5 are two, the two guide posts 5 are respectively inserted into the two rotating guide grooves 41, and the two rotating guide grooves 41 are arranged in a central symmetry manner with respect to the axis of the rotating shaft core 4, so that the guiding effect is better.

In some embodiments, one end of the guide post 5, which is close to the rotation guide groove 41, is hemispherical, and two ends of the rotation guide groove 41 are provided with stop positions 44, wherein the stop positions 44 are hemispherical grooves matched with the guide post 5, so that the guide post 5 can be better kept in the horizontal section 43, and the hinge can be kept in an open state, so that the hinge is more convenient to use.

In some embodiments, the guide post 5 includes a limit ball cover 51 and balls 52, the limit ball cover 51 is connected to the second sleeve 2, a ball groove is formed on a side of the limit ball cover 51 facing the balls 52, the balls 52 are limited between the ball groove of the limit ball cover 51 and the rotation guide groove 41, the balls 52 can roll relative to the limit ball cover 51 and the rotation guide groove 41, and by providing the balls 52, the rotation of the rotation shaft core 4 can be smoother.

In some embodiments, the buffer mechanism further includes a first adjusting member 8, where the first adjusting member 8 is screwed to the first sleeve 1 and can be abutted to one end of the damper 7 away from the rotating shaft core 4, specifically, an inner hexagonal hole is provided at an upper end of the first adjusting member 8, and when the damping force of the damper 7 needs to be adjusted, the first adjusting member 8 can be screwed by using a tool, so that the position of the first adjusting member 8 in the first sleeve 1 is changed, and the position of the damper 7 can be adjusted, thereby adjusting the damping force of the damper 7, and being more convenient to adjust.

In some embodiments, the buffer mechanism further includes a second adjusting member 9, where the second adjusting member 9 is in threaded connection with the second sleeve 2 and can be abutted to one end of the elastic member 6 away from the rotating shaft core 4, specifically, an inner hexagonal hole is provided at the lower end of the second adjusting member 9, when the elastic strength of the spring needs to be adjusted, a tool can be used to twist the second adjusting member 9, so that the position of the second adjusting member 9 in the second sleeve 2 is changed, and the compression amplitude of the elastic member 6 can be adjusted, so that the pushing force of the elastic member 6 to the rotating shaft core 4, that is, the force and the speed when the hinge is closed, is adjusted more conveniently.

In some embodiments, the buffer mechanism further includes a locking member 10, the outer wall of the first sleeve 1 is provided with a locking hole, the locking member 10 is in threaded connection with the locking hole and abuts against the driving shaft sleeve 3, specifically, an inner hexagonal hole is provided on the outer side of the locking member 10, and the driving shaft sleeve 3 can be fixed in the first sleeve 1 by screwing the locking member 10 by using a tool, so that the operation is more convenient.

In some embodiments, the driving sleeve 3 has a driving plug part 31, a first rotation stopping hole for inserting the driving plug part 31 is arranged in the first sleeve 1, cross sections of the driving plug part 31 and the first rotation stopping hole are polygons which are mutually matched, the rotating shaft core 4 has a rotation stopping plug part 45, a second rotation stopping hole for inserting the rotation stopping plug part 45 is arranged in the driving sleeve 3, cross sections of the rotation stopping plug part 45 and the second rotation stopping hole are polygons which are mutually matched, the first sleeve 1 and the driving sleeve 3 can not rotate relatively through a simple structure, and the rotating shaft core 4 and the driving sleeve 3 can not rotate relatively, so that a conversion function of rotating connection is achieved.

In some embodiments, as shown in fig. 4 and fig. 5, the shape of the rotation stopping insertion portion 45 is a hexagon, and the second rotation stopping hole is a hexagon matched with the rotation stopping insertion portion 45, so that the rotation between the rotation shaft core 4 and the driving shaft sleeve 3 can be better prevented from being relatively rotated, and the conversion function of rotation connection can be better achieved.

In some embodiments, the buffer mechanism further comprises a first plane bearing 11 and a second plane bearing 12, the first plane bearing 11 is arranged between the first sleeve 1 and the second sleeve 2, the second plane bearing 12 is arranged in the second sleeve 2, and the second plane bearing 12 is arranged between the transmission shaft sleeve 3 and the second sleeve 2, so that a rotation function capable of realizing sliding can be provided, and the use experience is better.

As shown in fig. 6, the present utility model further provides a buffering hinge, which includes a first connecting member 13, a second connecting member 14, and the buffering mechanism, where the first connecting member 13 has a first connecting portion and a second connecting portion, the first connecting portion is connected to the first sleeve 1 and cannot rotate relative to the first sleeve 1, the second connecting portion is rotatably connected to the second sleeve 2, and the second connecting member 14 is connected to the second sleeve 2.

In the buffer hinge provided in this embodiment, the above buffer mechanism is adopted, so that a good buffer effect can be provided for the mutual rotation between the first connecting piece 13 and the second connecting piece 14, the buffer effect is better, the applicability is better, and the use is more convenient.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (10)

1. A cushioning mechanism, comprising:

A first sleeve (1);

-a second sleeve (2), the second sleeve (2) being rotatable relative to the first sleeve (1);

the transmission shaft sleeve (3), one end of the transmission shaft sleeve (3) is connected with the first sleeve (1), the other end of the transmission shaft sleeve (3) is connected with the second sleeve (2), and the transmission shaft sleeve (3) can rotate relative to the second sleeve (2);

The rotary shaft core (4), one end of the rotary shaft core (4) is inserted into the transmission shaft sleeve (3) and cannot rotate relative to the transmission shaft sleeve (3), the other end of the rotary shaft core (4) is positioned in the second sleeve (2), a rotary guide groove (41) is formed in the outer wall of the rotary shaft core (4), and the rotary guide groove (41) is spirally arranged around the outer wall of the rotary shaft core (4);

the guide post (5), one end of the guide post (5) is connected to the inner wall of the second sleeve (2), and the other end of the guide post (5) is inserted into the rotary guide groove (41);

An elastic piece (6), wherein one end of the elastic piece (6) is connected with the second sleeve (2), and the other end of the elastic piece (6) is abutted against the rotating shaft core (4);

And the damper (7) is arranged on the first sleeve (1), and a movable shaft (71) of the damper (7) is abutted against the rotating shaft core (4).

2. Buffer gear according to claim 1, characterized in that the rotation guide groove (41) comprises a spiral section (42) and a horizontal section (43), the spiral section (42) is arranged spirally around the outer wall of the rotation shaft core (4), the horizontal section (43) is arranged along Zhou Xiangrao of the rotation shaft core (4) and the outer wall of the rotation shaft core (4), the projection of the spiral section (42) along the axial direction of the rotation shaft core (4) is a quarter arc, and the projection of the horizontal section (43) along the axial direction of the rotation shaft core (4) is a quarter arc.

3. Buffer device according to claim 1, characterized in that the number of the rotating guide grooves (41) and the number of the guide posts (5) are two, the two guide posts (5) are respectively inserted into the two rotating guide grooves (41), and the two rotating guide grooves (41) are arranged in a central symmetry manner with respect to the axis of the rotating shaft core (4).

4. Buffer mechanism according to claim 1, characterized in that one end of the guide post (5) close to the rotary guide groove (41) is hemispherical, both ends of the rotary guide groove (41) are provided with stop positions (44), and the stop positions (44) are hemispherical grooves matched with the guide post (5).

5. The damping mechanism according to claim 1, further comprising a first adjusting member (8), the first adjusting member (8) being threadedly connected to the first sleeve (1) and being abuttable to an end of the damper (7) remote from the rotational axis core (4).

6. The damping mechanism according to claim 1, further comprising a second adjusting member (9), the second adjusting member (9) being threadedly connected to the second sleeve (2) and being capable of abutting against an end of the elastic member (6) remote from the rotational axis core (4).

7. The buffering mechanism according to claim 1, characterized in that the buffering mechanism further comprises a locking piece (10), wherein a locking hole is formed in the outer wall of the first sleeve (1), and the locking piece (10) is connected to the locking hole in a threaded mode and abuts against the transmission shaft sleeve (3).

8. Buffer gear according to claim 1, characterized in that the transmission sleeve (3) has a transmission plug-in part (31), a first rotation stopping hole for the insertion of the transmission plug-in part (31) is arranged in the first sleeve (1), the cross sections of the transmission plug-in part (31) and the first rotation stopping hole are polygons which are mutually matched, the rotation shaft core (4) has a rotation stopping plug-in part (45), a second rotation stopping hole for the insertion of the rotation stopping plug-in part (45) is arranged in the transmission sleeve (3), and the cross sections of the rotation stopping plug-in part (45) and the second rotation stopping hole are polygons which are mutually matched.

9. The buffer mechanism according to claim 1, further comprising a first planar bearing (11) and a second planar bearing (12), the first planar bearing (11) being arranged between the first sleeve (1) and the second sleeve (2), the second planar bearing (12) being arranged within the second sleeve (2), the second planar bearing (12) being arranged between the outdrive (3) and the second sleeve (2).

10. Buffer hinge, characterized in that it comprises a first connecting piece (13), a second connecting piece (14) and a buffer mechanism according to any one of claims 1 to 9, said first connecting piece (13) having a first connecting portion and a second connecting portion, said first connecting portion being connected to said first sleeve (1) and being unable to rotate with respect to said first sleeve (1), said second connecting portion being rotatably connected to said second sleeve (2), said second connecting piece (14) being connected to said second sleeve (2).