CN218095818U - Rotating shaft damping structure and lamp - Google Patents

Abstract

The utility model is suitable for a machinery industry field provides a pivot damping structure and lamps and lanterns. The rotating shaft damping mechanism comprises a first rotating body; the second rotating body is rotatably connected with the first rotating body through a rotating shaft piece; either one of the second rotating body and the first rotating body is fixedly connected with the rotating shaft piece, and the other one is provided with a plurality of elastic columns; and a damping space matched with the elastic damping of the rotating shaft piece is formed by encircling the elastic columns. The utility model discloses it uses to reduce the structure material, reduce cost, simple structure, and the equipment and production of being convenient for solve prior art lamps and lanterns, adopt metal component to exist with high costs, the great problem of required structure space as the damping friction disc.

Description

Rotating shaft damping structure and lamp

Technical Field

The utility model belongs to the mechanical industry field especially relates to a pivot damping structure and lamps and lanterns.

Background

The lamp is widely applied to daily life or industrial production of people as a lighting tool. In an actual application scenario, there is a lamp with a folding function, and such a lamp generally has two rotating bodies capable of rotating relatively, where one rotating body is installed with a light source, and the other rotating body is used as a lamp socket, and when the light source and the lamp socket rotate relatively, it is often necessary to keep the two in a certain form.

In order to solve the above problems, a rotating shaft structure having a damping function has been proposed, which allows relatively rotating members to be stopped freely at arbitrary positions by means of a damping action.

In the prior art, a damping part is additionally arranged in a rotating shaft structure to realize a damping function, however, the existing damping part usually adopts a metal component, and the metal component used as a damping friction plate has the problems of high cost and large required structural space.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pivot damping structure aims at solving prior art's pivot damping structure, adopts metal component to exist with high costs, the great problem of required structure space as the damping friction disc.

The utility model discloses a first aspect provides a pivot damping structure, include:

a first swivel;

the second rotating body is rotatably connected with the first rotating body through a rotating shaft piece;

either one of the second rotating body and the first rotating body is fixedly connected with the rotating shaft piece, and the other one is provided with a plurality of elastic columns;

and a damping space matched with the elastic damping of the rotating shaft piece is formed by encircling the elastic columns.

Furthermore, the elastic columns are provided with cambered surfaces, and the cambered surfaces of the elastic columns surround to form the damping space.

Furthermore, the pivot damping structure includes two parallel elasticity posts, two the relative one side between the elasticity post is provided with the cambered surface.

Further, a gap is arranged between the two elastic columns.

Furthermore, one end of the elastic column is fixedly connected with the first rotating body or the second rotating body, and the first rotating body or the second rotating body is provided with a limiting bulge matched with the other end of the elastic column.

Furthermore, the rotating shaft damping structure comprises at least three elastic columns, one ends of the at least three elastic columns are connected with the second rotating body or the first rotating body, and the end part of the other end is provided with the cambered surface.

Further, the elastic columns are configured as four.

A second aspect of the present invention provides a lamp, including the above-mentioned rotating shaft damping structure.

Further, the lamp comprises a lamp body and a lamp holder;

the first rotating body is arranged on the lamp holder, and the rotating shaft piece is fixedly connected with the first rotating body;

the lamp main body comprises a shell connected with the second rotating body and a light-emitting component arranged in the shell;

the elastic column is connected with the second rotating body.

Further, the second swivel further includes:

a receiving member; and

a connecting member connecting the housing and the accommodating member;

the elastic column is arranged on the accommodating piece;

the accommodating part is provided with a via hole which is matched with the rotating shaft part and can be rotationally connected.

Further, the lamp holder comprises a lamp holder beam and a lamp holder frame which is formed by extending two ends of the lamp holder beam and forms a U shape together with the lamp holder beam;

one end of the lamp holder frame, which is far away from the lamp holder beam, is provided with the first rotating body, and the first rotating body is provided with a mounting hole matched with the rotating shaft piece.

Further, the lamp holder frame at one side of the lamp holder is provided with openings which respectively form a hinged end and a free end;

the lamp holder also comprises a movable buckle, an elastic piece and a bolt;

the bolt penetrates through one end of the movable buckle and the elastic piece and then hinges the movable buckle and the hinged end;

the other end of the movable buckle abuts against the free end and forms a closed ring with the lamp holder.

Further, the elastic member includes a spring or a torsion spring.

Further, the pivot spare includes pivot and pivot locking piece, one of them of pivot locking piece with mounting hole on the lamp holder frame is connected, the one end and another of pivot the mounting hole on the lamp holder frame is connected, the other end of pivot passes the elasticity post and hold behind the piece with the pivot locking piece is connected.

Further, the connecting piece is a rotating shaft assembly, the shell is rotatably connected with the accommodating piece through the rotating shaft assembly, and the axis line of the rotating shaft assembly is perpendicular to the axis line of the rotating shaft piece.

Further, the elastic column is integrally formed with the accommodating member.

The utility model discloses the beneficial effect who reaches does, through the pivot piece of turning with first rotation and second and being connected for first rotation and second rotate between the axial lead that can revolute the pivot piece and rotate, first rotation and/or second rotate and set up the elasticity post, realize damping function, reduce the structure material and use, reduce cost, simple structure, be convenient for equipment and production, solve prior art's pivot damping structure, adopt metal component to have with high costs, the great problem of required structure space as the damping friction disc.

Drawings

Fig. 1 is a perspective view illustrating a lamp provided in an embodiment of the present invention in an unfolded state;

fig. 2 is a schematic perspective view of a folded state of a lamp provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of a lamp provided by the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

fig. 5 is a schematic cross-sectional view of another embodiment of a lamp according to the present invention;

fig. 6 is a partial schematic view of an embodiment of a lamp according to the present invention;

fig. 7 is a schematic partial cross-sectional view of an embodiment of a lamp according to the present invention;

fig. 8 is a schematic partial cross-sectional view of a lamp according to another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the utility model provides a pivot damping structure, through turning the pivot piece of being connected with first rotation and second for first rotation and second rotate between can revolute the axial lead rotation of pivot piece, first rotation and/or second rotate and set up the elasticity post, realize the damping function, reduce the use of structure material, reduce cost, moreover, the steam generator is simple in structure, be convenient for assemble and production, solve prior art's pivot damping structure, adopt metal component to have with high costs, the great problem of required structure space as the damping friction disc.

Example one

Referring to fig. 1-8, embodiments of the present invention provide a shaft damping structure,

the device comprises a first rotating body 11 and a second rotating body 12 which is rotatably connected with the first rotating body 11 through a rotating shaft 10, wherein any one of the second rotating body 12 and the first rotating body 11 is fixedly connected with the rotating shaft 10, and the other one is provided with a plurality of elastic columns 13;

a damping space matched with the elastic damping of the rotating shaft part 10 is formed by surrounding a plurality of elastic columns 13.

In this embodiment, the rotating shaft damping structure provided by the present application may be applied to any product, device or component that needs to rotate relatively, and more specifically, may be connected to two components that need to rotate relatively through the first rotating body 11 and the second rotating body 12, or the two components that need to rotate relatively are formed integrally with the first rotating body 11 and the second rotating body 12, or the first rotating body 11 and the second rotating body 12 are configured as a universal mounting base or a structural base, and the two components that need to rotate relatively are mounted on the first rotating body 11 and the second rotating body 12, respectively, and may be replaced as needed.

In actual use, need frequently to revolve the axial lead rotation of pivot 10 between first rotation 11 and the second rotation 12, because there is resonance between first rotation 11 and the second rotation 12, its dynamic stress reaches the limit, or the external force of exerting when rotating is too big for mechanical system receives instantaneous impact, can cause structural damage, the embodiment of the utility model provides an in, set up elastic column 13 on first rotation 11 and/or the second rotation 12 to be connected with pivot 10 damping, can reduce mechanical structure's resonance amplitude, make mechanical system resume stable condition very fast.

For convenience of description, this embodiment is exemplified by a foldable lamp, and referring to fig. 1-2, the foldable lamp, wherein the lamp holder can be regarded as a first rotating body 11, the lamp holder has a hollow structure, on one hand, when the lamp is in an unfolded state, it can play a supporting role, on the other hand, when the lamp enters into a folded and stored state, the hollow structure can accommodate the lamp main body; the lamp main body can be regarded as a second rotating body 12, the lamp main body comprises a mounting base, a light source body can be mounted in the mounting base, light can be emitted to two sides simultaneously when the light source body emits light, and power supply and control components such as a power supply and a PCB (printed circuit board) can be mounted on the mounting base on the premise that the arrangement position of the light source body is not changed; as previously mentioned, in particular, when the luminaire enters the folded storage state, the light source body portion is accommodated within the hollow structure of the lamp holder.

When the lamp is used, the lamp can be changed into two states, one of which is an unfolded state, referring to fig. 1, the lamp holder can be placed on a tabletop and the like to play a supporting role, the lamp main body rotates relative to the lamp holder around the axis of the rotating shaft part 10, so that the lamp main body can stand up, and the emitting direction of light can be adjusted to a required angle by rotating the lamp main body according to actual use requirements; and the second is a folded state in which the lamp socket is similarly placed on a plane, and the lamp main body is rotated about the axial line of the rotating shaft member 10, so that the light source body is partially accommodated in the hollow structure of the lamp socket to fold the lamp.

In this embodiment, specifically, the first rotating body 11 is fixedly connected to the rotating shaft 10, the second rotating body 12 is provided with the elastic column 13, and the elastic column 13 is in damping connection with the rotating shaft 10.

The embodiment of the utility model provides a pivot damping structure, through the pivot 10 of turning 12 and being connected with first rotation 11 and second for first rotation 11 with the second can revolute the axial lead rotation of pivot 10 between turning 12, first rotation 11 and/or set up elasticity post 13 on the second is turned 12, realizes damping function, reduces the use of structural material, reduce cost, simple structure, and the equipment and the production of being convenient for solve prior art lamps and lanterns, adopt metal component as the great problem of with high costs, required structure space that damping friction disc exists.

Example two

Referring to fig. 3-4, on the basis of the first embodiment, further specifically, the elastic columns 13 are provided with arc surfaces 131, and the arc surfaces 131 of the elastic columns 13 surround to form a damping space.

Further, the rotating shaft damping structure comprises two parallel elastic columns 13, and the cambered surface 131 is arranged on one side opposite to the two elastic columns 13.

Furthermore, a space is provided between the two elastic columns 13.

In this embodiment, a gap exists between the two elastic columns 13, so that the space between the two elastic columns 13 that can move is larger, and the hard friction between the two elastic columns 13 and the rotating shaft member 10 is further reduced.

Furthermore, one end of the elastic column 13 is fixedly connected to the first rotating body 11 or the second rotating body 12, and the first rotating body 11 or the second rotating body 12 is provided with a limiting protrusion 132 engaged with the other end of the elastic column 13.

In this embodiment, the limiting protrusion 132 is used to limit the opening range of the elastic column 13, so as to avoid mechanical failure caused by excessive deformation and rebound lag or difficulty in rebound.

In this embodiment, the elastic columns 13 may be two parallel elastic columns 13, the two parallel elastic columns 13 are symmetrically disposed and surround the periphery of the rotating shaft member 10, the middle region of the elastic columns 13 is provided with an arc-shaped surface 131, which can surround the rotating shaft member 10 to form a damping space, and the rotating shaft member 10 passes through the damping space and is in interference fit with the damping space.

In other embodiments, the rotating shaft damping structure provided by the present application includes at least three elastic columns 13, one end of each of the at least three elastic columns 13 is connected to the second rotating body 12 or the first rotating body 11, and the end of the other end is provided with an arc surface 131. Furthermore, the number of the elastic columns 13 may be at least three, one end of each elastic column 13 surrounds to form a damping space, the other end of each elastic column is disposed on the second rotating body 12, and the rotating shaft 10 penetrates through the damping space and is in interference fit with the damping ring space.

For convenience of description, this embodiment takes a foldable lamp similar to the embodiment as an example, in this embodiment, the structure and the convertible form of the foldable lamp in actual use are substantially the same as those in the first embodiment, and the same portions can be referred to the first embodiment, and are not described again, where the difference is that at least 3 elastic columns 13 are provided, at least three elastic columns 13 may be provided on one side of the rotating body, in some optional embodiments, four elastic columns 13 may be provided, the four elastic columns 13 are symmetrically provided and surround the periphery of the rotating shaft 10, one end of each elastic column 13 near the rotating shaft 10 may surround to form a damping space, and the rotating shaft 10 passes through the damping space and is in interference fit with the damping space.

More closely, one end of elastic column 13 is provided with cambered surface 131, and the cambered surface 131 of each elastic column 13 combines to enclose into damping space. In the present embodiment, the arc surface 131 of each elastic column 13 is formed on the side facing the rotating shaft 10, and is more suitable for practical application, for example, the arc length and radius of the arc surface 131 can be adjusted according to the diameter of the rotating shaft. The rotating shaft part 10 penetrates through the damping space and is in interference fit with the damping space, the structure is simple, the centering performance is good, the bearing capacity is high, the requirements on the strength of the rotating shaft part 10 and the elastic column 13 are low, and the impact resistance is good.

The elastic column 13 may be integrally formed with the first rotator 11 and/or the second rotator 12, and when the first rotator 11 and the second rotator 12 rotate with each other, the generated stress can be transmitted to the elastic column 13, and the elastic column 13 is elastically deformed accordingly to release the stress. In this embodiment, the elastic column 13 may be disposed at the connection between the lamp socket and/or the lamp body of the foldable lamp and the rotating shaft member 10.

Further, the elastic column 13 is provided on the housing of the second rotator 12 or the first rotator 11. Specifically, the elastic columns 13 may be disposed on at least one side of both sidewalls of the first and/or second rotors 11 and 12. In this embodiment, when the elastic columns 13 are disposed on the first rotating body 11 and the second rotating body 12, the specific positions, the arrangement shapes, and the number of the elastic columns 13 can be adjusted accordingly according to the actual use requirement and in consideration of the factors such as the ultimate stress, the rotation frequency, the expected service life of the product, and the manufacturing cost.

In the lamp provided by the embodiment of the utility model, the elastic column 13 can be an internal structure of the rotating part or an arched arm formed on both sides of the rotating part, only one side of the rotating part is provided with the elastic column 13, one side of the rotating part is hard friction, and the other side of the rotating part is soft friction, so that the abrasion is reduced, or both the rotating parts are provided with the elastic column 13, both sides of the rotating part are soft friction, and the abrasion is smaller; set up in the mode of both sides and include that the fretwork forms and extend the formation, a lateral wall also can realize soft friction effect, and both sides wall effect is better, and elasticity post 13 can with rotate an integrated into one piece, reduce the material and use.

EXAMPLE III

Referring to fig. 1 to 4, the present embodiment provides a lamp, which includes a lamp body and a lamp socket;

the first rotating body 11 is arranged on the lamp holder, and the rotating shaft piece 10 is fixedly connected with the first rotating body 11;

the lamp body comprises a shell connected with the second rotating body 12 and a light-emitting component (not shown in the figure) arranged in the shell; the resilient posts 13 are connected to the housing.

For convenience of description, in this embodiment, a foldable lamp similar to the embodiment is taken as an example, see fig. 4, in this embodiment, the structure and the convertible form of the foldable lamp in actual use are substantially the same as those in the first embodiment, and the same parts can be referred to the first embodiment, which is not described again, where the difference is that the second rotator 12 includes a housing and a light emitting element installed in the housing, on one hand, an installation and accommodation structure may be provided in the housing to perform the function of installing and positioning the light emitting element, and on the other hand, the housing may also perform the function of protecting the light emitting element from external physical damage.

Wherein, in this embodiment, light emitting component includes the light source body, and this light source body can be luminous lamp plate. In addition, the light-emitting component can also comprise a power supply, a PCB board and other power supply and control components, and the control components are electrically connected with the light source body so as to control the light-emitting state of the light source body.

The elastic column 13 is connected with the shell, so that stress generated by relative rotation between the first rotating body 11 and the second rotating body 12 can be further dispersed and released, and the effect of damping action is improved.

Further, the elastic column 13 is integrally formed with the housing.

The elastic column 13 and the shell are integrally formed, so that the effect of dispersing and releasing stress can be further improved, and a better damping effect can be obtained.

Example four

Referring to fig. 5-7, on the basis of the first embodiment, further, the second rotator 12 further includes;

the receiving member 15; and a connecting member 16 connecting the housing and the accommodating member 15; the elastic column 13 is arranged on the accommodating piece 15; the receiving member 15 is provided with a through hole which is rotatably coupled to the rotation shaft member 10.

In this embodiment, the accommodating part 15 is disposed at one end of the second rotator 12 connected to the first rotator 11, and the elastic column 13 is disposed on the accommodating part 15, wherein one end of the connecting part 16 may partially extend out of the accommodating part 15, and the extended portion is connected to the housing of the second rotator 12, when the second rotator 12 rotates relative to the first rotator 11, the accommodating part 15 keeps moving in unison with the housing through the connecting part 16, and partial stress generated by the relative rotation of the first rotator 11 and the second rotator 12 can be transmitted to the housing through the elastic column 13 and further dispersed and released through the housing, thereby improving the effect of damping action.

Further, both sides wall of holding member 15 is provided with the via hole respectively, when the installation is accomplished, pivot spare 10 wholly runs through holding member 15 through the via hole of both sides, play the effect of connecting first rotation 11 and second and turning 12 on the one hand, on the other hand, realized turning first 11 through this single part of pivot spare 10, second and turning 12 and elastic column 13 and couple together, mechanical structure is stable, it is complicated to solve the part that the pivot was done respectively to prior art both sides, and still can be influenced because of other characteristics, arouse the pivot deformation, crooked etc. lead to both sides pivot decentraction, thereby lead to the inconsistent problem of the pivot rotation dynamics of whole machine.

Further, the connecting member 16 is a rotating shaft assembly, the housing is rotatably connected to the accommodating member 15 through the connecting member 16, and the axis of the connecting member 16 is perpendicular to the axis of the rotating shaft member 10.

In this embodiment, the housing can drive the second rotating body 12 to rotate relative to the accommodating part 15 through the rotating shaft assembly, specifically, because the axis of the rotating shaft assembly is perpendicular to the axis of the rotating shaft member 10, when the lamp is in the unfolded state, the second rotating body 12 can be rotated as required, and one surface of the second rotating body 12, on which the light emitting assembly is mounted, is rotated to a required direction, so as to adjust the emitting direction of light, thereby meeting more use requirements.

EXAMPLE five

Referring to fig. 5 to 7, in the first embodiment, further, the first rotating body 11 includes a base beam 112 and a base frame 111 formed by extending two ends of the base beam 112 and forming a U shape with the base beam 112;

the end of the lamp holder frame 111 away from the lamp holder beam 112 forms a first rotating body 11, and the first rotating body 11 is provided with a mounting hole matched with the rotating shaft member 10.

For convenience of description, the present embodiment is exemplified by a foldable lamp similar to the embodiment, in the present embodiment, the structure and the convertible form of the foldable lamp in actual use are substantially the same as those in the first embodiment, and the same portions can be referred to the first embodiment, and the description is omitted, where the difference is that the first rotating body 11 can play a supporting role on one hand, when the lamp is in the unfolded state, the bottom surface of the first rotating body 11 is laid on a planar base such as a desktop or a ground, and when the second rotating body 12 rotates to other forms, the bottom surface of the first rotating body 11 can always keep in contact with the planar base, so that the whole lamp can be kept in a desired form.

On the other hand, the first rotating body 11 can be used as a hook, so that the whole lamp can be converted into a hanging state. The suspension function of the first rotor 11 is achieved by the following structure: the first rotator 11 includes a base beam 112 and a base frame 111 formed by extending two ends of the base beam 112 and forming a U shape with the base beam 112, wherein in this embodiment, the base beam 112 is disposed at one end of the first rotator 11 far from the connection with the second rotator 12 and is parallel to the rotating shaft 10, the base frame 111 is formed by extending two ends of the base beam 112 until the connection between the first rotator 11 and the second rotator 12, the base frames 111 at two sides are symmetrically disposed and are disposed in a direction approximately perpendicular to the base beam 112, the base beam 112 and the base frame 111 form a U shape, the connection between the base beam 112 and the base frame 111 can be set as a round corner for smooth transition, and can also play a role of avoiding scratching or stabbing people. When the lamp holder is hung for use, the internal space enclosed by the lamp holder beam 112 and the lamp holder frame 111 can enclose the external support, the whole lamp naturally sags under the action of gravity, and either the lamp holder frame 111 or the lamp holder beam 112 is abutted against the external support, so that the whole lamp overcomes the gravity and is in a hanging state.

Similarly, when the installation is accomplished, the whole lamp holder frame 111 that runs through of mounting hole is passed through to pivot spare 10, play the effect of connecting first rotation 11 and second rotation 12 on the one hand, and on the other hand, realized that first rotation 11, second rotation 12 and elastic column 13 are connected through this single part of pivot spare 11, and mechanical structure is stable, it is complicated to solve the part that the pivot was done respectively to prior art both sides, and still can cause the pivot to warp because of other characteristic influences, crooked etc. lead to both sides pivot decentraction to, thereby lead to the inconsistent problem of the pivot rotation dynamics of whole machine.

Further, the first rotating body 11 further includes a reinforcing rib having both ends connected to the two lamp base frames 111, respectively.

As described above, when the lamp is suspended for use, either the base frame 111 or the base beam 112 is most often abutted against an external support, and at this time, stress concentration is likely to occur at the joint between the base frame 111 and the base beam 112, and a separation tendency is generated between the base frame 111 and the base beam 112, and stress accumulation due to frequent use may cause the base frame 111 and the base beam 112 to separate from each other, thereby damaging the mechanical structure. The reinforcing ribs with two ends respectively connected with the two lamp holder frames 111 are arranged, so that the structure can be strengthened, the concentrated stress can be relieved and released, and the service life can be prolonged.

EXAMPLE six

Referring to fig. 5-7, on the basis of the first embodiment, further, the lamp base frame 111 on one side of the first rotating body 11 is provided with openings to form a hinged end and a free end respectively;

the first rotating body 11 further comprises a movable buckle 113, an elastic element 114 and a bolt 115;

the bolt 115 passes through one end of the movable buckle 113 and the elastic piece 114 and then hinges the movable buckle 113 and the hinged end;

the other end of the movable catch 113 abuts on the free end and forms a closed loop with the first rotation body 11.

For convenience of description, the present embodiment is exemplified by a foldable lamp similar to the embodiment, in the present embodiment, the structure and the convertible form of the foldable lamp in actual use are substantially the same as those in the first embodiment, and the same portions can be referred to the first embodiment, and are not repeated, where the difference is that, as described above, the internal space enclosed by the lamp base beam 112 and the lamp base frame 111 can enclose the external support therein, and when the foldable lamp needs to be suspended for use, for the external support whose appearance is in a non-closed shape, such as a cantilever, a cross bar, and the like, the first rotor 11 can be directly sleeved on the external support to form a suspended state; for an external support with a closed shape, such as a circular ring, etc., the first rotating body 11 cannot be directly sleeved on the external support, and in this embodiment, the lamp holder is suspended on the external support with the closed shape by the following structure: the lamp holder frame 111 on one side of the first rotating body 11 is provided with an opening to form a hinged end and a free end respectively, the opening can be regarded as a gap formed by cutting off a section of the lamp holder frame 111 by taking the hinged end and the free end as two end points, further, in the embodiment, the opening is filled by the movable buckle 113, one end of the movable buckle 113 is connected with the hinged end, the other end of the movable buckle abuts against the free end and forms a closed ring with the first rotating body 11, and particularly, the connection of the movable buckle 113 and the hinged end is realized through the following structure: when the elastic member 114 is not pressed by an external force and is in a natural extension state, the movable buckle 113 can be pressed outwards, so that the other end of the movable buckle 113 abuts against the free end, and needs to be suspended on the circular external support object as described above, when the elastic member 114 is used, the movable buckle 113 abuts against the support object, then pressure is continuously applied inwards, the other end of the movable buckle 113 is separated from the free end, the elastic member 114 is pressed to generate elastic deformation, and a restoring force starts to be generated and continuously accumulated, after a section of circular arc of the circular external support object completely enters the movable buckle 113 and forms a closed ring with the first rotor 11, the movable buckle 113 is moved away from the closed ring, and is not contacted with the external support object, the elastic member 114 is not pressed any more, and the restoring force starts to be released, so that the movable buckle 113 rebounds and forms a closed ring with the first rotor 11 again, and at this time, a part of the external support object is completely sleeved into the closed ring, so that the whole lamp can overcome gravity and is in a suspension state.

Further, the elastic member includes a spring or a torsion spring, which is not limited herein.

EXAMPLE seven

In addition to the first embodiment, the rotating shaft member 10 further includes a rotating shaft and a rotating shaft locking member (not shown), the rotating shaft locking member is connected to the mounting hole of one of the lamp holder frames, one end of the rotating shaft is connected to the mounting hole of the other lamp holder frame, and the other end of the rotating shaft passes through the elastic column 13 and the accommodating member 15 and then is connected to the rotating shaft locking member.

Through the rotating shaft locking piece, the rotating shaft is connected with the first rotating body 11 and the second rotating body 12, at this time, the rotating shaft and the rotating shaft locking piece are integrated, the coaxiality is good, in other embodiments, the rotating shaft locking piece can also be used for locking the angle between the first rotating body 11 and the second rotating body 12, specifically, when the first rotating body 11 and the second rotating body 12 rotate relatively, the rotating shaft locking piece can stop freely at a required position, a foldable lamp similar to the embodiments is taken as an example, the lamp holder is placed on a plane, the lamp main body is unfolded, the light emitting angle of the light source body is adjusted to a required direction, at this time, the rotating shaft locking piece can lock the relative position of the lamp holder and the lamp main body, and the light emitting angle is kept in the adjusted direction.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (16)

1. A rotary shaft damping structure, comprising:

a first swivel;

the second rotating body is rotatably connected with the first rotating body through a rotating shaft piece;

either one of the second rotating body and the first rotating body is fixedly connected with the rotating shaft piece, and the other one is provided with a plurality of elastic columns;

and a damping space matched with the elastic damping of the rotating shaft part is formed by encircling the elastic columns.

2. The rotating shaft damping structure as claimed in claim 1, wherein the resilient columns are provided with cambered surfaces, and the cambered surfaces of the resilient columns surround to form the damping space.

3. The shaft damping structure as claimed in claim 2, wherein the shaft damping structure comprises two parallel resilient posts, and the curved surface is disposed on an opposite side of the two resilient posts.

4. The rotary shaft damping structure according to claim 3, wherein a space is provided between two of the elastic columns.

5. The rotating shaft damping structure according to claim 3 or 4, wherein one end of the elastic column is fixedly connected to the first rotator or the second rotator, and the first rotator or the second rotator is provided with a limiting protrusion engaged with the other end of the elastic column.

6. The rotating shaft damping structure according to claim 2, wherein the rotating shaft damping structure comprises at least three elastic columns, one end of each of the at least three elastic columns is connected with the second rotating body or the first rotating body, and the end of the other end of each of the at least three elastic columns is provided with the cambered surface.

7. The spindle damping structure according to claim 6, wherein the elastic columns are configured in four.

8. A luminaire comprising a shaft damping structure according to any one of claims 1 to 7.

9. The lamp of claim 8 wherein the lamp comprises a lamp body and a socket;

the first rotating body is arranged on the lamp holder, and the rotating shaft piece is fixedly connected with the first rotating body;

the lamp main body comprises a shell connected with the second rotating body and a light-emitting assembly arranged in the shell;

the elastic column is connected with the second rotating body.

10. The luminaire of claim 9, wherein the second swivel comprises;

a receiving member; and

a connecting member connecting the housing and the accommodating member;

the elastic column is arranged on the accommodating piece;

the accommodating part is provided with a via hole which is matched with the rotating shaft part and can be rotatably connected.

11. The lamp of claim 10 wherein said base comprises a base beam and a base frame extending from opposite ends of said base beam and forming a U-shape with said base beam;

one end of the lamp holder frame, which is far away from the lamp holder beam, is provided with the first rotating body, and the first rotating body is provided with a mounting hole matched with the rotating shaft piece.

12. A lamp as claimed in claim 11, wherein one side of the base frame of the socket is provided with openings forming a hinged end and a free end, respectively;

the lamp holder also comprises a movable buckle, an elastic piece and a bolt;

the bolt penetrates through one end of the movable buckle and the elastic piece and then hinges the movable buckle and the hinged end;

the other end of the movable buckle abuts against the free end and forms a closed ring with the lamp holder.

13. The lamp of claim 12, wherein the resilient member comprises a spring or a torsion spring.

14. The lamp of claim 11 wherein said pivot member includes a pivot and a pivot locking member, said pivot locking member being coupled to one of said lamp base frames, one end of said pivot being coupled to another of said lamp base frames, the other end of said pivot passing through said resilient posts and said receiving member and being coupled to said pivot locking member.

15. The lamp of claim 10, wherein said connecting member is a pivot member, said housing is rotatably connected to said receiving member through said pivot member, and an axis of said pivot member is perpendicular to an axis of said pivot member.

16. The lamp of claim 10, wherein said resilient posts are integrally formed with said receptacle.

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