CN218846029U - Rotating shaft mechanism and lamp - Google Patents

Abstract

The utility model belongs to the technical field of mechanical industry, especially, relate to a pivot mechanism and lamps and lanterns. The rotating shaft mechanism comprises a rotating shaft sleeve, an elastic piece, a positioning piece and a connecting piece, wherein the rotating shaft sleeve is provided with a shaft hole, and a first end of the shaft hole is provided with a limiting part; the elastic piece is arranged in the shaft hole, and the first end of the elastic piece is abutted against the limiting part; the positioning piece is arranged in the shaft hole, and the first end of the positioning piece is abutted against the second end of the elastic piece and moves axially along the shaft hole; the connecting piece is arranged at the second end of the shaft hole and rotates around the shaft center of the shaft hole, and the first end of the connecting piece is in stepped rotation fit with the second end of the positioning piece. This pivot mechanism constitutes damping structure through setting element, connecting piece and elastic component and realizes the damping function, realizes that setting element and connecting piece have the level rotation cooperation, compares in setting up the rubber block of friction usefulness at the both ends of pivot mechanism, and setting element, connecting piece can be stable contact for a long time under the effect of elastic component for this pivot mechanism life is longer.

Description

Rotating shaft mechanism and lamp

Technical Field

The utility model belongs to the technical field of mechanical industry, especially, relate to a pivot mechanism and lamps and lanterns.

Background

The rotating shaft is a shaft which is connected with a product component and bears bending moment and torque in the rotating work of the product component. Common rotating shafts are: the mobile phone rotating shaft (a flip phone or a rotary screen mobile phone), the notebook computer rotating shaft, the portable DVD rotating shaft, the LED desk lamp rotating shaft, the LCD display screen rotating shaft, the GPS and other vehicle-mounted support rotating shafts and the like.

At present, an angle-adjustable lamp is available in the market, and the lamp comprises a lamp holder, a lamp main body and a rotating shaft mechanism, wherein the lamp main body is connected with the lamp holder through the rotating shaft mechanism. In order to make the lamp main body rotate steplessly and have damping effect when the lamp main body rotates, rubber blocks for increasing friction resistance are generally arranged at two ends of the rotating shaft mechanism. However, the rubber block is easy to wear and age, which greatly affects the service life of the rotating shaft mechanism, and in addition, the rotating shaft mechanism cannot be positioned at a specific position, and cannot meet the use requirement of step rotation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pivot mechanism aims at solving current pivot mechanism both ends and sets up the block rubber that increases frictional resistance, and the life that leads to level rotation pivot mechanism is short, can't satisfy the technical problem of level rotation's user demand.

The utility model discloses a realize like this, a pivot mechanism, include:

the rotating shaft sleeve is provided with a shaft hole, and a first end of the shaft hole is provided with a limiting part;

the elastic piece is arranged in the shaft hole, and a first end of the elastic piece is abutted against the limiting part;

the positioning piece is arranged in the shaft hole, and a first end of the positioning piece is abutted against a second end of the elastic piece and moves axially along the shaft hole; and

the connecting piece, set up in the duplex winding of shaft hole second end the shaft hole axle center rotates, the first end of connecting piece with setting element second end has the rotatory cooperation of stage.

Furthermore, the second end of the positioning element and the first end of the connecting element are both provided with fluted discs, the fluted discs are provided with a plurality of tooth grooves which are arranged in an annular mode, and the second end of the positioning element and the first end of the connecting element are oppositely arranged and meshed through the two tooth grooves on the fluted discs, so that the stepped rotation matching of the positioning element and the connecting element is realized.

Furthermore, one of the second end of the positioning element and the first end of the connecting element is provided with a plurality of annularly arranged concave points, the other one of the second end of the positioning element and the first end of the connecting element is provided with a plurality of annularly arranged convex points, and the second end of the positioning element and the first end of the connecting element are oppositely arranged and matched with the convex points through the concave points, so that the stepped rotation matching of the positioning element and the connecting element is realized.

Furthermore, a rotation stopping structure is arranged between the positioning piece and the shaft hole.

Furthermore, the rotation stopping structure comprises a first step arranged on the outer surface of the positioning piece and a second step arranged on the inner wall of the shaft hole, and the side surface of the first step is in butt fit with the side surface of the second step.

Furthermore, a first end of the rotating shaft sleeve, which is far away from the shaft hole, is provided with a rotating connecting groove, and a second end of the connecting piece is provided with a rotating connecting groove fixed connecting groove matched with the lamp holder;

the lamp holder is coaxially and oppositely provided with a rotating connecting shaft and a fixed connecting shaft, the rotating connecting shaft is inserted into the rotating connecting groove and can rotate, and the fixed connecting shaft is fixedly connected with the fixed connecting groove.

Further, the fixed connecting groove is a rectangular parallelepiped groove, and the fixed connecting shaft is a rectangular parallelepiped shaft.

Furthermore, a hanging hole is formed in the lamp holder.

Further, the elastic member is a spring.

The utility model also provides a lamp, it includes:

a first swivel;

a second swivel; and

the rotating shaft mechanism is as described above;

the first rotating body is rotatably connected with the second rotating body through the rotating shaft mechanism.

Still further, the device is a light fixture;

one of the first rotating body and the second rotating body is a lamp holder, and the other one is a lamp main body.

The utility model discloses following beneficial effect has:

firstly, the positioning piece, the connecting piece and the elastic piece are integrated in the rotating shaft sleeve to form a rotating shaft mechanism, and the rotating shaft mechanism can be applied to connecting any lamp holder and the lamp main body; through the elastic piece, can make setting element and connecting piece butt together, the damping structure is constituteed to setting element, connecting piece and elastic piece and realizes the damping function of pivot mechanism, and when setting element, connecting piece rotated relatively, there is certain damping restriction between the two to realize that setting element and connecting piece have the rotation cooperation of stage, thereby realize that lamp stand and lamps and lanterns main part have the rotation of stage. Compared with the rubber blocks for friction arranged at the two ends of the rotating shaft mechanism, the positioning piece and the connecting piece can be stably contacted for a long time under the action of the elastic piece, so that the service life of the rotating shaft mechanism is longer;

secondly, because the positioning piece, the connecting piece and the elastic piece are integrated in the rotating shaft sleeve to form a rotating shaft mechanism, the rotating shaft mechanism can be connected with the lamp holder and the lamp main body, and stepped rotation between the lamp holder and the lamp main body is realized through stepped rotation matching of the positioning piece and the connecting piece.

Drawings

Fig. 1 is a schematic structural view of a lamp including a rotating shaft mechanism according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an enlarged view of the spindle mechanism in FIG. 2;

fig. 4 is a schematic half-sectional view of the spindle mechanism of fig. 1.

Reference numerals: 100. a rotating shaft mechanism; 110. a rotating shaft sleeve; 111. rotating the connecting groove; 112. a second step; 120. a positioning member; 121. a first step; 130. a connecting member; 131. fixing and connecting grooves; 140. an elastic member; 200. a light fixture; 210. a lamp socket; 211. a hanging hole; 220. a lamp body; 230. and (5) a connecting structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 4, the utility model relates to a rotating shaft mechanism, it includes:

the rotating shaft sleeve is provided with a shaft hole, and a first end of the shaft hole is provided with a limiting part;

the elastic piece is arranged in the shaft hole, and a first end of the elastic piece is abutted against the limiting part;

the positioning piece is arranged in the shaft hole, and a first end of the positioning piece is abutted against a second end of the elastic piece and moves axially along the shaft hole; and

the connecting piece, set up in the duplex winding of shaft hole second end the shaft hole axle center rotates, the first end of connecting piece with setting element second end has the rotatory cooperation of stage.

The positioning piece, the connecting piece and the elastic piece are integrated in the rotating shaft sleeve to form a rotating shaft mechanism, and the rotating shaft mechanism can be applied to connecting any rotating body; through setting element and connecting piece have the rotation cooperation of stage, compare in the both ends of pivot mechanism and set up the rubber piece of friction usefulness and realize the rotation of stage, this pivot mechanism life is longer.

The utility model discloses still relate to a lamps and lanterns, it includes lamp stand and lamps and lanterns main part to and foretell pivot mechanism, lamp stand and lamps and lanterns main part pass through pivot mechanism rotates the connection. Because the positioning piece, the connecting piece and the elastic piece are integrated in the rotating shaft sleeve to form the rotating shaft mechanism, the rotating shaft mechanism can be used for realizing the stepped rotation between the lamp holder and the lamp body by the stepped rotation matching of the positioning piece and the connecting piece.

Example one

Referring to fig. 1 and 2, a spindle mechanism 100 includes:

the rotating shaft sleeve 110 is provided with a shaft hole (not marked in the figure), and a first end of the shaft hole is provided with a limiting part;

the elastic piece 140 is arranged in the shaft hole, and the first end of the elastic piece 140 is abutted against the limiting part;

the positioning piece 120 is arranged in the shaft hole, and a first end of the positioning piece 120 is abutted against a second end of the elastic piece 140 and moves axially along the shaft hole; and

the connecting member 130 is disposed at the second end of the shaft hole and rotates around the shaft center of the shaft hole, and the first end of the connecting member 130 is in stepped rotation fit with the second end of the positioning member 120.

In this embodiment, "stepped rotation" refers to a discontinuous rotation mode, in which a plurality of positioning stages are provided in a rotation range, and when rotating to any positioning stage, at least two rotating bodies that rotate relatively can stay at the current relative position, wherein when one positioning stage is converted to its adjacent positioning stage, only a transition form can be adopted, that is, any rotating body cannot stay at the position between the adjacent positioning stages.

Specifically, the rotating shaft sleeve 110 is provided with a shaft hole, the positioning piece 120 is arranged in the shaft hole, the inner wall of the rotating shaft sleeve 110 is provided with a strip-shaped groove along the axial direction of the inner wall, and the outer wall of the positioning piece 120 is provided with a protrusion in sliding fit with the strip-shaped groove, so that the positioning piece 120 is slidably clamped with the rotating shaft sleeve 110, and the positioning piece 120 can axially move back and forth along the shaft hole. The elastic member 140 may be a spring, or may be a member made of an elastic material such as rubber, one end of the rotation shaft sleeve 110 may be closed to form an abutting portion, one end of the elastic member 140 may abut against the abutting portion of the rotation shaft sleeve 110, and one end of the elastic member 140 may be fixed to the inner wall of the rotation shaft sleeve 110. The positioning element 120 and the connecting element 130 can be abutted together by the elastic element 140, the positioning element 120, the connecting element 130 and the elastic element 140 form a damping structure to realize the damping function of the rotating shaft mechanism 100, and when the positioning element 120 and the connecting element 130 rotate relatively, a certain damping limitation exists between the positioning element 120 and the connecting element 130 to realize the stepped rotation matching of the positioning element 120 and the connecting element 130. The rotation shaft sleeve 110 is used to connect one end of the lamp socket, and the connection member 130 is used to connect the other end of the lamp socket, thereby realizing the step rotation of the lamp socket and the lamp body. Compared with the arrangement of rubber blocks for friction at two ends of the rotating shaft mechanism 100, the positioning element 120 and the connecting element 130 can be stably contacted for a long time under the action of the elastic element 140, so that the rotating shaft mechanism 100 has a longer service life.

Example two

With reference to fig. 2 to fig. 4, on the basis of the first embodiment, the present embodiment provides an alternative implementation manner for the rotating shaft mechanism 100: the second end of the positioning member 120 and the first end of the connecting member 130 are respectively provided with a gear disc, and the second end of the positioning member 120 and the first end of the connecting member 130 are in stepped rotation fit through the two gear discs.

Specifically, one end of the rotation shaft sleeve 110 is provided with an opening, and the other end is closed. One end of the elastic member 140 is connected to the closed end of the shaft sleeve 110, and in particular, the connection may be abutting. The other end of the elastic member 140 is connected to the positioning member 120, specifically, the connection may be abutting. The connector 130 is located near the open end of the sleeve 110. The positioning member 120 and the connecting member 130 are respectively provided with toothed discs, toothed grooves are formed on the toothed discs and annularly arranged around the rotation axis, ends of the positioning member 120 and the connecting member 130 provided with the toothed discs are oppositely arranged, and the toothed grooves on the two toothed discs are engaged with each other, so that the connecting member 130 and the positioning member 120 are in stepped rotary fit. When the connecting member 130 is rotated, the tooth socket rotational collision between the connecting member 130 and the positioning member 120 generates a click sound and generates a mechanical feedback, which is convenient for a user to adjust the rotational force and confirm the rotation in place.

EXAMPLE III

With reference to fig. 2 to 4, on the basis of the first embodiment, regarding the rotating shaft mechanism 100, the embodiment of the present application provides an alternative implementation manner: the mating end of one of the positioning member 120 and the connecting positioning member 120 is provided with a concave point, the mating end of the other one is provided with a convex point, and the positioning member 120 and the connecting member 130 are in stepped rotation fit through the concave point and the convex point.

Specifically, the positioning member 120 is provided with discrete concave points, the connecting member 130 is provided with a plurality of convex points, and the convex points and the discrete concave points are in concave-convex fit, so that the connecting member 130 and the positioning member 120 are in stepped rotary fit, when the connecting member 130 is rotated, the connecting member 130 and the positioning member 120 are in rotary collision to generate a sound and generate mechanical feedback, and a user can conveniently adjust the rotary force and confirm that the rotation is in place. It is understood that the concave points and the convex points can be arranged annularly around the rotation axis of the positioning member 120 and the end of the connecting member 130 where the concave points or the convex points are arranged are opposite to each other.

In this embodiment, the discrete concave points are a discontinuous arrangement, in which an isolation region is disposed between any two adjacent concave points, the concave points form a plurality of positioning stages within a rotation range, and in the process that the convex points and the discrete concave points enter concave-convex matching positions, the convex points cannot stay in the isolation region, that is, when one positioning stage is converted to its adjacent positioning stage, only a transition form is adopted, and the position of any rotating body between the adjacent positioning stages cannot stay.

Referring to fig. 2 to 4, in a rotating shaft mechanism 100, a connection end of the connection member 120 is used for being fixedly connected with a rotating body.

Specifically, one end of the connecting member 130 away from the positioning member 120 is provided with a fixed connection slot 131, and the fixed connection slot 131 is non-circular. In this embodiment, the fixing connection groove 131 is a rectangular parallelepiped groove, and accordingly, the fixing connection shaft is a rectangular parallelepiped shaft, and the connection member 130 is fixedly connected to the fixing connection shaft at one end of the lamp holder through the fixing connection groove 131. The rotating shaft sleeve 110 is rotatably connected with the other end of the lamp holder. When the lamp holder and the lamp body are rotated relatively, the connecting member 130 is fixed relative to the lamp holder, so that the connecting member 130 is in stepped rotation fit with the positioning member 120, and the rotating collision between the connecting member 130 and the positioning member 120 generates a rattle sound and generates a mechanical feedback, which is convenient for a user to adjust the rotation force and confirm that the rotation is in place.

Referring to fig. 2 to 4, in a rotating shaft mechanism 100, an outer side surface of a closed end of a rotating shaft sleeve 110 is used for being rotatably connected with another rotating body.

Specifically, one end of the rotating shaft sleeve 110 is provided with an opening, the other end is closed, one end of the elastic member 140 is connected with the closed end of the rotating shaft sleeve 110, the other end is connected with the positioning member 120, the connecting member 130 is in stepped rotation fit with the positioning member 120, the connecting member 130 is located at the end close to the opening of the rotating shaft sleeve 110, the rotating connecting groove 111 is located at the closed end of the rotating shaft sleeve 110, and the rotating connecting groove 111 is a circular groove. The rotation shaft sleeve 110 is mounted on the lamp socket through the circular rotation connection groove 111, and the rotation shaft sleeve 110 can rotate relative to the rotation body. The specific installation mode is that the rotating shaft mechanism 100 is connected to the lamp holder through the rotating connecting groove 111 and the fixed connecting groove 131, the connecting piece 130 is relatively static with the lamp holder, the rotating shaft sleeve 110 and the lamp holder can rotate relatively, the outer wall of the rotating shaft sleeve 110 is fixedly connected with the lamp main body, and therefore stepped rotating matching of the lamp holder and the lamp main body is achieved, the connecting piece 130 and the positioning piece 120 are rotated and collided, clicking sound is generated, and mechanical feeling is achieved. The provision of the rotating connecting groove 111 and the fixed connecting groove 131 is simpler and faster in assembling the rotating shaft mechanism 100 and the rotating body.

Example four

Referring to fig. 2 to 4, in a rotating shaft mechanism 100, a shaft hole of a rotating shaft sleeve 110 is provided with a rotation stopping structure.

In this embodiment, the rotation stopping structure includes a first step 121 disposed on an outer surface of the positioning element 120, and a second step 112 disposed on an inner wall of the shaft hole, wherein a side surface of the first step 121 is abutted against and matched with a side surface of the second step 112. Through the cooperation of the second step 112 and the first step 121, the positioning element 120 can only move back and forth along the axial direction of the rotating shaft sleeve 110, and the positioning element 120 is not easy to rotate relative to the rotating shaft sleeve 110. In other embodiments, the second step 112 and the first step 121 may be in a manner of a strip-shaped groove and a protrusion sliding fit. The connecting member 130 is rotatably connected to the rotating shaft sleeve 110, and the positioning member 120 abuts against the connecting member 130 under the action of the elastic member 140, so that the connecting member 130 and the positioning member 120 are in stepped rotation fit.

EXAMPLE five

Referring to fig. 1 to 4, a lamp 200 includes a first rotating body and a second rotating body, and the rotating shaft mechanism 100, the first rotating body is connected to an outer side surface of the rotating shaft sleeve 110, and the second rotating body is connected to a connecting end of the connecting member 130.

In the present embodiment, the first rotator may be a lamp socket 210, and the second rotator may be a lamp body 220, and the lamp socket is provided with a hanging hole. The lamp can be hung on a fulcrum at a relatively high position by utilizing the hanging hole. The two opposite sides in the hanging hole are respectively provided with a rotating connecting shaft and a fixed connecting shaft. The rotation connecting shaft is rotatably engaged with the rotation connecting groove 111. The fixed connecting shaft is inserted and matched with the fixed connecting groove 131. The lamp body 220 is fixed on the outer wall of the swivel sleeve 110 through the connecting structure 230, and the lamp body 220 and the swivel sleeve 110 are relatively stationary. The rotating shaft mechanism 100 connects the lamp socket 210 and the lamp body 220, so that the lamp 200 can rotate in stages.

In summary, since the positioning element 120, the connecting element 130 and the elastic element 140 are integrated in the rotating shaft sleeve 110 to form the rotating shaft mechanism 100, the rotating shaft mechanism can be applied to connect any rotating body; the positioning element 120 and the connecting element 130 can be abutted together by the elastic element 140, the positioning element 120, the connecting element 130 and the elastic element 140 form a damping structure to realize a damping function of the rotating shaft mechanism 100, and when the positioning element 120 and the connecting element 130 rotate relatively, a certain damping limitation exists between the positioning element 120 and the connecting element 130 to realize stepped rotation matching of the positioning element 120 and the connecting element 130, thereby realizing stepped rotation of the lamp holder and the lamp body. Compared with the stepped rotation of the rubber blocks arranged at the two ends of the rotating shaft mechanism 100 for friction, the positioning element 120 and the connecting element 130 can be stably contacted for a long time under the action of the elastic element 140, and the service life of the rotating shaft mechanism 100 is longer.

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 (10)

1. A spindle mechanism, comprising:

the rotating shaft sleeve is provided with a shaft hole, and a first end of the shaft hole is provided with a limiting part;

the elastic piece is arranged in the shaft hole, and a first end of the elastic piece is abutted against the limiting part;

the positioning piece is arranged in the shaft hole, and a first end of the positioning piece is abutted against a second end of the elastic piece and moves axially along the shaft hole; and

the connecting piece, set up in shaft hole second end duplex winding shaft hole axle center rotates, the first end of connecting piece with setting element second end has the rotatory cooperation of stage.

2. The hinge mechanism as claimed in claim 1, wherein the positioning member second end and the connecting member first end are respectively provided with a toothed disc, the toothed disc is provided with a plurality of annularly arranged toothed grooves, and the positioning member second end and the connecting member first end are oppositely disposed and engaged through the toothed grooves of the two toothed discs, so as to realize the stepped rotation engagement between the positioning member and the connecting member.

3. The hinge mechanism as claimed in claim 1, wherein one of the second end of the positioning element and the first end of the connecting element has a plurality of annularly arranged concave points, the other one of the second end of the positioning element and the first end of the connecting element has a plurality of annularly arranged convex points, and the second end of the positioning element and the first end of the connecting element are disposed opposite to and engaged with the convex points through the concave points, so as to realize the stepped rotation engagement between the positioning element and the connecting element.

4. A hinge mechanism according to any one of claims 1 to 3, wherein a rotation stop structure is provided between the positioning member and the shaft hole.

5. The hinge mechanism according to claim 4, wherein the rotation stopping structure comprises a first step disposed on an outer surface of the positioning member, and a second step disposed on an inner wall of the shaft hole, and a side surface of the first step is in abutting engagement with a side surface of the second step.

6. The rotating shaft mechanism according to claim 1, wherein a first end of the rotating shaft sleeve, which is away from the shaft hole, is provided with a rotating connecting groove, and a second end of the connecting piece is provided with a rotating connecting groove fixed connecting groove which is matched with the lamp holder;

the lamp holder is coaxially and oppositely provided with a rotating connecting shaft and a fixed connecting shaft, the rotating connecting shaft is inserted into the rotating connecting groove and can rotate, and the fixed connecting shaft is fixedly connected with the fixed connecting groove.

7. The hinge mechanism as claimed in claim 6, wherein the fixed connection slot is a rectangular parallelepiped slot, and the fixed connection shaft is a rectangular parallelepiped shaft.

8. The hinge mechanism according to claim 6, wherein the lamp holder is provided with a hanging hole.

9. The spindle mechanism according to claim 1, wherein the elastic member is a spring.

10. A light fixture, comprising:

a lamp socket;

a lamp body; and

a spindle mechanism as claimed in any one of claims 1 to 9;

the lamp holder is rotatably connected with the lamp main body through the rotating shaft mechanism.

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