CN217737129U

CN217737129U - Rotating structure and lamp thereof

Info

Publication number: CN217737129U
Application number: CN202221667055.4U
Authority: CN
Inventors: 鲍永
Original assignee: Yuyao Yuchang Electrical Appliance Co Ltd
Current assignee: Yuyao Yuchang Electrical Appliance Co Ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-04
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to a rotating-structure connects between first, second component, and it is including being located the pivot on the first component and being located the supporting part on the second component, and this supporting part is opened has the shaft hole corresponding with the pivot, and the tip of pivot has screw thread portion, and the tip of pivot passes behind the shaft hole with screw thread portion and fastener looks threaded connection, its characterized in that: the fixing device also comprises a fixing ring sleeved on the rotating shaft exposed out of the shaft hole, so that the fixing ring is clamped between the fastening piece and the supporting part, and concave-convex meshing parts matched with each other are arranged between the contact surfaces of the fixing ring and the rotating shaft. Also discloses a lamp with the rotating structure. After adopting above-mentioned structure, when the pivot was rotatory, the fastener no longer takes place not hard up phenomenon to guaranteed the firm in connection nature between fastener and the pivot effectively, makeed revolution mechanic can reliable work for a long time. Especially after being applied to the lamp, the lamp body component can be ensured to flexibly rotate relative to the main body part for a long time.

Description

Rotating structure and lamp thereof

Technical Field

The utility model relates to a rotating-structure and technical field of lamps and lanterns thereof.

Background

The rotating structure can enable the two components to rotate relatively, so the application field is very wide, for example, the rotating structure is applied to the existing lamp, and the rotating structure is connected between the main body part (which can be a bracket, a seat body or a handle component of the lamp) and the connecting part (which can be a lamp body component with the luminous body), so that the lamp body component with the luminous body can rotate relatively relative to the main body part, the irradiation angle of the luminous body can be conveniently adjusted, and the irradiation requirements in different directions can be met. The rotating structure has a variety of forms, but it is more common to include a rotating shaft disposed on one of the two members (called a first member) of the connecting member and the main body member, and a supporting portion disposed on the other member (called a second member) of the connecting member and the main body member, the supporting portion having a shaft hole corresponding to the rotating shaft, the end of the rotating shaft having a threaded portion (which may be a screw or a threaded hole), the end of the rotating shaft passing through the shaft hole and being threadedly connected to a fastening member (a nut or a screw) to rotatably assemble the rotating shaft and the supporting portion together.

With the rotating structure, although the first member can rotate relative to the second member, the use time is long, and a certain friction force is generated due to the contact between the fastening piece and the supporting part along with the back-and-forth rotation of the rotating shaft, and the friction force prevents the fastening piece from rotating along with the rotation of the rotating shaft, namely, the fastening piece loosens along with the back-and-forth rotation of the rotating shaft. Therefore, the existing rotating structure needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to prior art's current situation, provides a rotating-structure with locking effect.

The utility model discloses the second technical problem that will solve is the current situation to prior art, provides a lamps and lanterns with above-mentioned rotating-structure for this lamps and lanterns have locking effect rotating the in-process.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a rotating structure is connected between a first component and a second component, and comprises a rotating shaft positioned on the first component and a supporting part positioned on the second component, wherein the supporting part is provided with a shaft hole corresponding to the rotating shaft, the end part of the rotating shaft is provided with a threaded part, and the end part of the rotating shaft passes through the shaft hole and is connected with a fastener by the threaded part in a threaded manner, the rotating structure is characterized in that: the fixing device also comprises a fixing ring sleeved on the rotating shaft exposed out of the shaft hole, so that the fixing ring is clamped between the fastening piece and the supporting part, and concave-convex meshing parts matched with each other are arranged between the contact surfaces of the fixing ring and the rotating shaft.

In the above aspect, it is preferable that the concavo-convex engaging part is designed as a groove and a protrusion that are fitted to each other; tooth configurations may also be employed.

In the above preferred embodiment, the groove may be formed on the end surface of the rotating shaft, and the protrusion is located on the inner wall of the fixing ring; or, the protrusion is arranged on the end face of the rotating shaft, and the groove is positioned on the inner wall of the fixing ring.

Preferably, the recess has two, and evenly distributed, and it is corresponding the arch also has two to atress is even between messenger's pivot and the retainer plate.

In the above scheme, the fastener may be a screw, and the threaded portion is a screw hole; or, the fastener is a nut, and the thread part is a screw section.

In each of the above solutions, in order to allow the first and second members to be reliably positioned at a desired angle after rotating relatively, a further improvement is that the rotating shaft is further designed with a plurality of positioning teeth distributed sequentially along the circumferential direction, the supporting portion is provided with an elastic strip extending toward the positioning teeth, and the free end of the elastic strip is provided with a protruding point engaged with the positioning teeth. The above objects can be conveniently achieved by the engagement of the salient points and the positioning teeth.

Preferably, the number of the elastic strips is preferably two, and the two elastic strips are respectively and symmetrically distributed on two sides of the rotating shaft, so that the stress is uniform.

For convenience of processing, the supporting part is formed by assembling an inner arm body and an outer arm body, the elastic strip is positioned on the inner arm body, and the shaft hole is positioned on the outer arm body.

The positioning of the first and second members after relative rotation can be realized by a sealing ring, i.e. the rotating shaft is sleeved with the sealing ring clamped between the fixed ring and the fastener.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a lamp comprises a lamp body component with a luminous body and a main body part, wherein a rotating structure is arranged between the lamp body component and the main body part, and the lamp is characterized in that: the rotation structure adopts the above rotation structure, one of the lamp body assembly and the main body piece is the first member, and the other of the lamp body assembly and the main body piece is the second member.

Compared with the prior art, because the utility model discloses the retainer plate has been add on the tip of pivot, and utilize unsmooth meshing portion to make this retainer plate can rotate together with the pivot, simultaneously with the help of the isolation of this retainer plate, make the fastener no longer contact with the supporting part, therefore, when the pivot is rotatory, the fastener that links to each other with it also can rotate together along with the retainer plate and can not produce between the two and hinder fastener pivoted frictional force, therefore the fastener is no longer taken place not hard up phenomenon, thereby the firm in connection nature between fastener and the pivot has been ensured effectively, make revolution mechanic can reliably work for a long time. Particularly, after the lamp is applied to the lamp, the lamp body component can be ensured to flexibly rotate relative to the main body part for a long time.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

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

FIG. 3 is a perspective view of FIG. 2 in another orientation;

FIG. 4 is a schematic perspective cross-sectional view of FIG. 2;

fig. 5 is a schematic perspective view of a connecting seat according to a first embodiment of the present invention;

fig. 6 is a schematic perspective view of a second embodiment of the present invention;

FIG. 7 is an exploded perspective view of FIG. 6;

fig. 8 is a perspective view of fig. 6 in another direction.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like are used in the orientation or positional relationship indicated in the drawings, which are for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and that the terms indicating orientation are for illustrative purposes only and should not be construed as limiting since the disclosed embodiments of the present invention can be arranged in different orientations, such as "upper" and "lower" are not necessarily limited to orientations opposite to or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The rotating structure in this embodiment is connected between the first member and the second member, and enables the first member to rotate relative to the second member, so that it can be applied to a plurality of products, such as a box and a cover, which need to rotate relative to each other; or between two adjacent links of the rotating bracket, etc.

In order to fully understand the rotating structure, the rotating structure is applied to lamps in the following embodiments, and the lamps have various structures. The working lamp of fig. 1 to 5 and the neck lamp shown in fig. 6 to 8 will now be described as an example.

The first embodiment: fig. 1 to 5 are schematic structural views of the preferred working lamp of the present invention, the working lamp includes a lamp body assembly 10 with a light emitting body and a main body 20, and the rotating structure is connected between the lamp body assembly 10 and the main body 20, that is, at this time, the main body 20 is the first component, and the lamp body assembly 10 is the second component. The body member 20 includes a cylinder 201 and a coupling seat 202 assembled at the top of the cylinder. The lamp body assembly 10 further includes a lamp housing 101, and a circuit board, a lamp panel and a light-emitting body mounted in the lamp housing, which all can adopt the prior art and will not be described herein.

In this embodiment, the main improvement lies in a rotating structure, the rotating structure includes two rotating shafts 1 located on the main body 20 and two supporting portions 2 located on the lamp body assembly 10, specifically, the two rotating shafts 1 are designed to be respectively designed on two sides of the connecting seat 202, and are coaxially distributed, an end portion of each rotating shaft has a threaded portion, in this embodiment, an end portion of each rotating shaft is hollow to form a threaded hole 11. A space for the connecting base 202 and the rotating shaft 1 to be located is formed between the two supporting portions 2, and shaft holes 21 corresponding to the end portions of the rotating shaft 1 are formed on the two supporting portions 2. The end of each shaft 1 is threaded through the corresponding shaft hole 21 of the support 2 and then is connected with a fastener, in the figure, the screw 3, corresponding to the threaded hole 11 of the shaft by the threaded portion

In order to prevent the screw 3 from rotating together with the rotating shaft 1 during the rotation process thereof to cause the loosening phenomenon, in the embodiment, two fixing rings 4 are further added, each fixing ring 4 is sleeved on the corresponding rotating shaft 1 exposed out of the corresponding shaft hole 21, so that the fixing ring 4 is clamped between the screw 3 and the supporting portion 2 on the corresponding side, and concave-convex engaging portions which are matched with each other are further arranged between the contact surfaces of the fixing ring 4 and the corresponding rotating shaft 1. In the figure, the concave-convex engaging part is designed as a groove 12 and a protrusion 41 which are mutually matched, and two grooves 12 are respectively and uniformly distributed on the end surface of the rotating shaft 1 where the screw hole 11 is positioned, and two corresponding protrusions 41 are also arranged.

In order to position the lamp body assembly 10 at a desired angle when rotating up and down relative to the main body 20, a plurality of positioning teeth 13 are sequentially arranged on the rotating shaft 1 along the circumferential direction, an elastic strip 22 extending to the positioning teeth 13 is arranged on the supporting portion 2, and a protruding point 221 engaged with the positioning teeth 13 is arranged at the free end of the elastic strip 22.

For the convenience of assembly, each support portion 2 in this embodiment is designed in the form of a support arm, and is assembled on two sides of the upper portion of the lamp housing 101 by screws, each support portion is assembled by an inner arm 2a and an outer arm 2b, the elastic strip 22 is located on the inner arm 2a, the shaft hole 21 is located on the outer arm 2b, and there are two elastic strips 22, which are symmetrically distributed on two sides of the rotating shaft 1, respectively, so that the force applied to the rotating shaft 1 is uniform. During the rotation of the lamp body assembly 10 relative to the main body 20, the protruding points 221 are engaged with the corresponding positioning teeth 13, so that the lamp body assembly 10 can be positioned at a desired angle. And the form of the teeth is adopted, so that the angle adjustment is more precise.

Second embodiment: fig. 6 to 8 are schematic partial structural views of a neck lamp, which is different from the first embodiment in that: the first component is a lamp body assembly 10, the second component is a main body part 20 (also called a connecting body) hung on the neck, at this time, only one rotating shaft 1 is positioned on the side surface of the hinged part of the lamp shell 101 of the lamp body assembly 10, the shaft hole 21 is designed on the connecting head 203 of the connecting body, and the rotating shaft 1 is sleeved with a sealing ring 5 clamped between the fixing ring 4 and the screw 3. By using the elasticity of the sealing ring 5, the lamp body assembly 10 has a certain damping force when rotating relative to the connecting body, so that the lamp body assembly 10 can be positioned at a required rotating angle.

In addition to the above preferred embodiment, the above fastening device may be a nut, the threaded portion of the end of the rotating shaft may be designed as a screw section, and at this time, the end of the rotating shaft passes through the shaft hole and the fixing ring and then is in threaded connection with the nut, and because the nut at this time is directly abutted to the fixing ring, i.e., it is not in direct contact with the corresponding supporting portion, during the rotation of the rotating shaft, the nut may not receive the resistance from the supporting portion, and may completely rotate along with the fixing ring and the rotating shaft, thereby also achieving the purpose of preventing loosening, and such a scheme also belongs to the protection scope of the present invention.

Claims

1. A rotating structure is connected between a first component and a second component, and comprises a rotating shaft (1) positioned on the first component and a supporting part (2) positioned on the second component, wherein the supporting part (2) is provided with a shaft hole (21) corresponding to the rotating shaft (1), the end part of the rotating shaft (1) is provided with a threaded part, and the end part of the rotating shaft (1) penetrates through the shaft hole (21) and is connected with a fastening piece through the threaded part, and the rotating structure is characterized in that: the fixing device also comprises a fixing ring (4) which is sleeved on the rotating shaft exposed out of the shaft hole, so that the fixing ring (4) is clamped between the fastening piece and the supporting part (2), and concave-convex meshing parts which are matched with each other are arranged between the contact surfaces of the fixing ring (4) and the rotating shaft (1).

2. The rotating structure according to claim 1, wherein: the male and female engaging portions are designed as a recess (12) and a projection (41) which are fitted to each other.

3. The rotating structure according to claim 2, wherein: the groove (12) is formed in the end face of the rotating shaft (1), and the protrusion (41) is located on the inner wall of the fixing ring (4);

or the protrusion (41) is arranged on the end face of the rotating shaft (1), and the groove (12) is positioned on the inner wall of the fixing ring (4).

4. The rotating structure according to claim 3, wherein: the number of the grooves (12) is two, the grooves are evenly distributed, and the number of the corresponding protrusions (41) is two.

5. The rotating structure according to claim 1, wherein: the fastener is a screw (3), and the thread part is a screw hole (11);

or, the fastener is a nut, and the thread part is a screw section.

6. The rotating structure according to any one of claims 1 to 5, wherein: it has a plurality of location teeth (13) that distribute in proper order along circumference still to design on pivot (1), supporting part (2) on be equipped with elastic strip (22) to this location tooth extension, be equipped with on the free end of this elastic strip (22) with location tooth (13) engaged with bump (221).

7. The rotating structure according to claim 6, wherein: the number of the elastic strips (22) is two, and the two elastic strips are respectively and symmetrically distributed on two sides of the rotating shaft.

8. The rotating structure according to claim 6, wherein: the supporting part (2) is formed by assembling an inner arm body (2 a) and an outer arm body (2 b), the elastic strip (22) is located on the inner arm body (2 a), and the shaft hole (21) is located on the outer arm body (2 b).

9. The rotating structure according to any one of claims 1 to 5, wherein: the rotating shaft (1) is further sleeved with a sealing ring (5) clamped between the fixing ring (4) and the fastening piece.

10. A lamp comprising a lamp body assembly (10) having a luminous body and a main body member (20), wherein a rotation structure is provided between the lamp body assembly (10) and the main body member (20), characterized in that: the rotation structure is as defined in any one of claims 1 to 9, wherein one of the lamp body assembly (10) and the main body member (20) is the first member, and the other of the lamp body assembly (10) and the main body member (20) is the second member.