CN212776943U - Rotating shaft and desk lamp - Google Patents

Abstract

The embodiment of the utility model provides a pivot and desk lamp, the pivot includes the elastic component, screens round pin and retaining member, be used for the axis body of fixed mounting in first pole body and be used for the axle sleeve of fixed mounting in the second pole body, the axis body includes interconnect's installation department and main shaft, retaining member fixed mounting keeps away from the one end of installation department in the main shaft, the axle sleeve clamp is established between installation department and retaining member and the main shaft is located to the rotatable cover of axle sleeve, the terminal surface that the installation department is close to the main shaft is equipped with a plurality of concave surface stuck points, the pipe wall of axle sleeve is equipped with the blind hole, the elastic component is acceptd in the blind hole, the one end of screens round pin is inserted and is established in the. The embodiment of the utility model provides a pivot and desk lamp, the screens round pin takes place the mechanical card in concave surface stuck point department and pauses, can also confirm rotation angle according to the card number of times of pausing in rotational positioning, improves user experience, and the axis body inside wire harness space of this pivot is great, can satisfy the needs of many line bundle signal transmission.

Description

Rotating shaft and desk lamp

Technical Field

The utility model relates to a damping structure technical field that hovers especially relates to a pivot and desk lamp.

Background

With the improvement of living standard, the requirement of consumers on products is higher and higher, from rest to movement, from single function to multiple functions, from low end to high end, and the products are updated iteratively. Taking a desk lamp as an example, the requirement of a consumer for the desk lamp is not limited to general illumination at a single angle, but the intelligent desk lamp with multiple functions at multiple angles is expected to be realized. When the desk lamp rotates around the shaft in multiple angles, the frequently adopted mode is a flexible lamp pole or an exposed wire, so that the attractive appearance is influenced, and the desk lamp is worn and aged after being used for a long time, so that the safety risk is caused. In addition, along with the integration of desk lamp function, for example add domestic camera function, then need adopt many pencil to carry out signal transmission in the desk lamp. The wire passing hole in the commonly adopted rotating shaft is small in size and difficult to meet the installation requirement of multiple wire harnesses.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pivot and desk lamp for the pivot can't realize the defect that rotation angle location and user experience are poor among the solution prior art, realizes hidden connection and rotational positioning, improves user experience.

An embodiment of the utility model provides a rotating shaft, including being used for the axis body of fixed mounting in first pole body and being used for the axle sleeve of fixed mounting in the second pole body, still include elastic component, screens round pin and retaining member, the axis body includes interconnect's installation department and main shaft, retaining member fixed mounting in the main shaft is kept away from the one end of installation department, the axle sleeve clamp is established the installation department with between the retaining member and the rotatable cover of axle sleeve is located the main shaft, the installation department is close to the terminal surface of main shaft is equipped with a plurality of concave surface stuck points, the pipe wall of axle sleeve is equipped with the blind hole, the elastic component accept in the blind hole, the one end of screens round pin is inserted and is established in the blind hole with the tip butt of elastic component, the other end of screens round pin with the terminal surface of.

According to the utility model discloses a pivot of embodiment, the axle sleeve with the axis body all adopts the powder metallurgy mode to make and forms.

According to the utility model discloses a pivot of embodiment, the elastic component is the spring.

According to the utility model discloses a pivot of embodiment, the installation department with the axle sleeve is equipped with screw and/or spacing plane respectively.

According to the utility model discloses a pivot works as the installation department with when at least one is equipped with spacing plane in the axle sleeve, spacing plane includes the spacing face of axial and radial spacing face, the spacing face of axial is followed the axial extension of main shaft, radial spacing face is followed the radial extension of main shaft, the spacing face of axial with radial spacing face links to each other and forms the step face.

According to the utility model discloses a pivot of embodiment, the installation department is close to the protruding spacing step of establishing of terminal surface of main shaft, spacing step is located adjacent two between the concave surface stuck point.

According to the utility model discloses a pivot of embodiment, the concave surface stuck point has four, four the concave surface stuck point is followed the circumference of installation department is equidistant to be set up, spacing step is followed one of them the concave surface stuck point extends to rather than adjacent another concave surface stuck point.

According to the utility model discloses a pivot, the retaining member includes the nut, the main shaft is kept away from the tip of installation department is equipped with the external screw thread, the nut with the external screw thread is closed.

According to the utility model discloses a pivot of embodiment, retaining member still includes gasket and wave spring, the inner wall of gasket is equipped with the spacing plane of installation, the main shaft is equipped with the spacing face of installation, the spacing plane of installation with the spacing face butt of installation, the nut will wave spring pressure is located the gasket.

The embodiment of the utility model provides a still provide a desk lamp, include as above the pivot.

The embodiment of the utility model provides a pivot and desk lamp, the terminal surface of installation department is equipped with a plurality of concave surface stuck points, and when the relative axis body of axle sleeve was rotatory, the screens round pin took place mechanical card pause in concave surface stuck point department, can also confirm rotation angle according to the card pause number of times when rotational positioning, improved user experience; in addition, axis body fixed mounting is in first pole body, and axle sleeve fixed mounting is in the second pole body, compares in the structural style that the tradition adopted ring flange fixed mounting, the embodiment of the utility model provides a pivot need not the ring flange and assembles, and axis body and axle sleeve direct mount are in the pole body that corresponds to help increasing the external diameter of axis body, pass through the space for the inside great pencil of reserving of axis body, satisfy the needs of multi-thread bundle signal transmission.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a rotating shaft provided in an embodiment of the present invention;

fig. 2 is a sectional view of an installation application of a rotating shaft according to an embodiment of the present invention.

Reference numerals:

10. a shaft body; 11. an installation part; 12. a main shaft; 13. a concave surface stuck point; 20. a shaft sleeve; 21. blind holes; 30. an elastic member; 40. a position clamping pin; 50. a locking member; 51. a nut; 52. a gasket; 53. a wave spring; 60. a screw hole; 70. a limiting plane; 101. a first rod body; 102. a second rod body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, an embodiment of the present invention provides a rotating shaft including a shaft body 10, a shaft sleeve 20, an elastic member 30, a position-retaining pin 40, and a locking member 50. The shaft body 10 includes an installation portion 11 and a main shaft 12, the installation portion 11 is fixedly connected with the main shaft 12, the locking member 50 is fixedly installed at one end of the main shaft 12 far away from the installation portion 11, and the shaft sleeve 20 is movably sleeved on the main shaft 12 and clamped between the locking member 50 and the installation portion 11. The shaft sleeve 20 is provided with a blind hole 21 extending along the axial direction of the shaft sleeve 20, the elastic element 30 is accommodated in the blind hole 21, the position-locking pin 40 is inserted in the blind hole 21, one end of the position-locking pin 40 is abutted against the elastic element 30, and the other end is abutted against the end face of the mounting part 11. Be equipped with a plurality of concave surface stuck points 13 on the terminal surface of installation department 11 near main shaft 12, when axle sleeve 20 rotated at the exogenic action, when screens round pin 40 moved concave surface stuck point 13, elastic component 30 pushed screens round pin 40 and gets into in the concave surface stuck point 13, realized that the machinery blocks and pauses, under the continued effect of exogenic action, screens round pin 40 continued along the terminal surface motion of installation department 11 to promote user experience.

In use, as shown in fig. 2, the shaft body 10 is configured to be fixedly installed in the first rod body 101, and the shaft sleeve 20 is configured to be fixedly installed in the second rod body 102, so as to connect the first rod body 101 and the second rod body 102 together and realize the hidden installation of the rotating shaft. When the angle needs to be adjusted, the second rod 102 is rotated to rotate the second rod 102 relative to the first rod 101, at this time, the shaft sleeve 20 rotates relative to the shaft body 10 along with the second rod 102, the elastic member 30 drives the position-locking pin 40 to move along the shaft body 10, whenever the position-locking pin moves to the concave position-locking point 13, the elastic force of the elastic member 30 drives the position-locking pin 40 to enter the concave position-locking point 13, so that mechanical locking is achieved, the shaft sleeve 20 is rotated continuously, the position-locking pin 40 returns to the end surface of the mounting portion 11 from the concave position-locking point 13, and the rotation angle can be positioned by means of the central angle corresponding to the two adjacent concave position-locking points 13 besides the positioning of the position-locking pin 40 achieved by means of.

The embodiment of the utility model provides a pivot, the terminal surface of installation department 11 are equipped with a plurality of concave surface stuck points 13, and when axle sleeve 20 was rotatory relative axis body 10, the mechanical card was pause in concave surface stuck point 13 department emergence of screens round pin 40, helped the user at rotatory in-process definite rotation angle, improved user experience. In addition, this pivot axis body 10 fixed mounting is in first body of rod 101, and axle sleeve 20 fixed mounting is in the second body of rod 102, compares in the structural style that the tradition adopted ring flange fixed mounting, the embodiment of the utility model provides a pivot need not the ring flange and assembles, and axis body 10 and axle sleeve 20 are direct and the body of rod fixed connection who corresponds to can increase the external diameter of axis body 10, reserve great pencil space for axis body 10 is inside, in order to satisfy the needs of multi-thread bundle signal transmission.

On the basis of the above embodiment, the shaft body 10 and the shaft body 20 are both manufactured in a powder metallurgy manner, so that the shaft body 10 and the shaft body 20 have good physical properties, the component strength is improved, and a larger wire harness hole is reserved in the main shaft 12 to provide strength guarantee. For example, when the outer diameter of the rotating shaft, that is, the outer diameter of the mounting portion 11, is 16.5mm, the inner diameter of the rotating shaft, that is, the diameter of the through hole in the main shaft 12, may be 9mm, so that the space for mounting the wire harness inside is more spacious on the premise of ensuring the strength and the rotating function.

The elastic member 30 is an elastic structure having a resilient force, such as a spring, elastic plastic, or elastic rubber. Taking a spring as an example, when the spring is installed, the spring can be pressed in the blind hole 21 by the clamping pin 40; of course, one end of the spring may be fixedly connected to the bottom of the blind hole 21, and the other end may be fixedly connected to the end of the position-locking pin 40.

As shown in fig. 1, in order to facilitate the shaft sleeve 20 to be fixed in the second rod 102 and the mounting portion 11 to be fixed in the first rod 101, the mounting portion 11 and the shaft sleeve 20 are respectively provided with a screw hole 60 and/or a limiting plane 70. For example, the mounting portion 11 is provided with a limit plane 70, and the shaft sleeve 20 is provided with a screw hole 60; correspondingly, the inner wall of the first rod body 101 is provided with a mounting plane matched with the limiting plane 70, the mounting plane is abutted against the limiting plane 70, and the limiting plane 70 is used for limiting the rotation of the shaft body 10 in the first rod body 101; the screw hole 60 extends along the radial direction of the main shaft 12, the second rod 102 is provided with a mounting hole matched with the screw hole 60, and a screw passes through the mounting hole and the screw hole 60 to fixedly connect the shaft sleeve 20 and the second rod 102. Of course, only the screw hole 60 may be provided in the mounting portion 11, only the limit flat 70 may be provided in the boss 20, or both the limit flat 70 and the screw hole 60 may be provided; or the installation part 11 is provided with the screw hole 60 and the limiting plane 70 at the same time, and the shaft sleeve 20 is provided with only the limiting plane 70 or only the screw hole 60 or both the limiting plane 70 and the screw hole 60, which is not limited by the embodiment of the present invention. As shown in fig. 1 and 2, both the shaft sleeve 20 and the mounting portion 11 are provided with a screw hole 60 and a limiting plane 70, and the limiting plane 70 can limit the shaft sleeve 20 to rotate in the second rod 102 and the mounting portion 11 to rotate in the first rod 101, so that the assembling accuracy is ensured and the foolproof effect is achieved; the screw holes 60 are used for reserving mounting positions for screws, and preventing the shaft sleeve 20 and the shaft body 10 from falling off from the rod body. It should be noted that, the limit plane 70 may also be used to achieve the tight fit between the shaft 10 and the first rod 101 and the tight fit between the sleeve 20 and the second rod 102.

The number of the screw holes 60 is one or more. The boss 20 and the mounting portion 11 are provided with one screw hole 60, respectively. The number of the limiting planes 70 may be plural, and the plurality of limiting planes 70 are arranged at intervals along the circumferential direction of the sleeve 20 or the mounting portion 11. For example, the screw hole 60 may be provided on the stopper plane 70.

On the basis of the above embodiment, when at least one of the mounting portion 11 and the sleeve 20 is provided with the limiting plane 70, as shown in fig. 1, the limiting plane 70 includes an axial limiting surface and a radial limiting surface, the axial limiting surface extends along the axial direction of the main shaft 12, the radial limiting surface extends along the radial direction of the main shaft 12, and the axial limiting surface and the radial limiting surface are connected to form a step surface. Therefore, the circumferential rotation is limited by the axial limiting surface, and the radial movement is limited by the limiting surface. The installation part 11 is provided with a step surface, the first rod body 101 is internally provided with a step surface which is in conflict with the small diameter surface of the step surface of the first rod body 101 in the axial direction to prevent the installation part 11 from rotating in the step hole, the radial limit surface is in conflict with the large diameter surface of the step surface of the first rod body 101 and the first rod body 101 to limit the axial movement, similarly, when the shaft sleeve 20 is provided with the limit plane 70, the step surface is also arranged in the second rod body 102, and the specific installation process is the same as the matching of the installation part 11 and the first rod body 101, and the description is omitted.

The stopper plane 70 may extend from one end of the mounting portion 11 or the boss 20 to the other end thereof, and the radial movement may be restricted by a screw fitted in the screw hole 60. For example, the mounting portion 11 is a hexagonal prism or a cylinder with a flat side surface, and the sleeve 20 is a cylinder with a flat side wall.

In order to prevent the damage of the internal line body caused by the endless rotation in the use process, a limiting step is convexly arranged on the end surface of the mounting part 11 close to the main shaft 12 and is positioned between two adjacent concave clamping points 13. When the shaft sleeve 20 drives the clamping pin 40 to move along the first direction to be abutted against one end part of the limiting step, the shaft sleeve 20 moves along the opposite direction of the first direction, and the other end which drives the clamping pin 40 to move to the limiting step is limited again, so that the clamping pin 40 can only move in an area outside the limiting step, the shaft sleeve 20 is prevented from driving the clamping pin 40 to continuously rotate along the same direction, and the internal wire harness is wound together and damaged. The limiting step may be a section of annular boss extending from one concave surface fastening point 13 to another concave surface fastening point 13, or may be a small bump arranged between two adjacent concave surface fastening points 13, as long as the continuous movement of the fastening pin 40 along the same direction can be avoided.

Specifically, there are four concave clamping points 13, the four concave clamping points 13 are arranged at equal intervals along the circumferential direction of the mounting portion 11, and the limiting step extends from one concave clamping point 13 to another concave clamping point 13 adjacent to the one concave clamping point. As shown in fig. 1, four concave surface clamping points 13 are arranged at equal intervals, and the central angle corresponding to two adjacent concave surface clamping points 13 is 90 °. Wherein, two concave surface checkpoints 13 are laid at the relative both ends of spacing step. Between two clicks, the sleeve 20 is rotated 90, which helps to determine the current angle of rotation. Of course, also can set up five concave surface stuck points 13 at the terminal surface of installation department 11, the axle sleeve 20 is rotatory 72 between two calories of pause, to the quantity of concave surface stuck point 13, the embodiment of the utility model provides a do not specifically restrict, lay specifically as required.

The locking member 50 includes a nut 51, an external thread is provided on an end portion of the main shaft 12 away from the mounting portion 11, and the nut 51 is screwed with the external thread. In this embodiment, the nut 51 is fixedly attached to the main shaft 12, and the sleeve 20 is interposed between the attachment portion 11 and the nut 51. Wherein the external thread is arranged on the main shaft 12 corresponding to the area outside the shaft sleeve 20.

In order to prevent the nut 51 from being released by the long-time rotation of the sleeve 20, the locker 50 further includes a washer 52 and a wave spring 53. The inner wall of the gasket 52 is provided with an installation limiting plane, the outer wall of the main shaft 12 is provided with an installation limiting surface, the installation limiting surface is located between the shaft sleeve 20 and the external thread at the end of the main shaft 12, and the gasket 52 is sleeved on the main shaft 12 and enables the installation limiting plane to abut against the installation limiting surface, so that the gasket 52 and the main shaft 12 rotate along with each other. Under the effect of nut 51, one side of gasket 52 is contradicted with axle sleeve 20, and the opposite side is contradicted with wave spring 53, increases wave spring 53 and nut 51's contact surface through gasket 52, improves coefficient of friction, and then promotes the rotational damping, makes axle sleeve 20 and wave spring 53 more durable. When the positioning device is used, the shaft sleeve 20, the clamping pin 40 and the elastic element 30 rotate along with the second rod body 102, and the shaft body 10, the gasket 52, the wave spring 53 and the nut 51 rotate along with the first rod body 101, so that the first rod body 101 and the second rod body 102 rotate relatively, the whole structure is simple and compact, the assembly is easy, and the connection is more reliable. The embodiment of the utility model provides a pivot, wave spring 53 use in order to realize the damping action with the cooperation of nut 51, and damping dynamics accessible adjusting nut 51 realizes, and nut 51 screws up the damping dynamics more big more, and wave spring 53 can shorten the whole length size of pivot, makes whole pivot structure comparatively compact.

The number of the installation limiting planes is two, and the two installation limiting planes are arranged oppositely along the radial direction of the gasket 52. Of course, the number of the mounting limit planes may also be one or more, and the number of the mounting limit planes on the spindle 12 is the same as that of the mounting limit planes.

The embodiment of the utility model provides a pivot, axle sleeve 20 cover are established on main shaft 12, and the gasket 52 cover is established on main shaft 12 and through the spacing face of installation restriction circumferential direction that sets up on main shaft 12, ensures its and main shaft 12 along with the motion, and wave spring 53 is installed and is pressed and establish on gasket 52 at main shaft 12 nut 51 of keeping away from 11 tip of installation department, and from this, wave spring 53 passes through gasket 52 and axle sleeve 20's terminal surface plane contact, and increase area of contact improves coefficient of friction. The mounting part 11 is provided with a screw hole 60 and a limiting plane 70, and the shaft body 10 is fixedly mounted in the first rod body 101 by means of the limiting plane 70 and the screw hole 60; similarly, the shaft sleeve 20 is installed in the second rod 102 by means of the limiting plane 70 and the screw hole 60, and the assembly can be completed only by installing two external screws, so that the assembly is simple and the difficulty is low. Concave surface stuck point 13, screens round pin 40 and elastic component 30 mutually support, can realize that the machinery blocks and pause, promote to be used for using experience to can help judging the angle of regulation among the rotation regulation process. The shaft sleeve 20 and the shaft body 10 in the rotating shaft are manufactured in a powder metallurgy mode, the aperture of the wire passing hole in the shaft body 10 can be enlarged as much as possible on the premise of ensuring the strength requirement, and the shaft sleeve is particularly suitable for products with more wire harnesses.

In addition, the embodiment of the utility model provides a still provide a desk lamp, this desk lamp includes as above the pivot. The multi-angle adjustment of the illumination direction can be realized by using the rotating shaft. Of course, the rotating shaft can also be used for other products such as a monitor camera and the like which need to be adjusted in angle.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a rotating shaft, its characterized in that, includes and is used for the axis body of fixed mounting in first pole body and is used for the axle sleeve of fixed mounting in the second pole body, still includes elastic component, screens round pin and retaining member, the axis body includes interconnect's installation department and main shaft, retaining member fixed mounting in the main shaft is kept away from the one end of installation department, the axle sleeve clamp is established the installation department with between the retaining member and the rotatable cover of axle sleeve is located the main shaft, the installation department is close to the terminal surface of main shaft is equipped with a plurality of concave surface stuck points, the pipe wall of axle sleeve is equipped with the blind hole, the elastic component accept in the blind hole, the one end of screens round pin is inserted and is established in the blind hole with the tip butt of elastic component, the other end of screens round pin with.

2. The rotating shaft according to claim 1, wherein the sleeve and the shaft body are manufactured by powder metallurgy.

3. A hinge according to claim 1, wherein the resilient member is a spring.

4. A hinge according to claim 1, wherein the mounting portion and the sleeve are provided with a screw hole and/or a stopper plane, respectively.

5. The rotating shaft according to claim 4, wherein when at least one of the mounting portion and the shaft sleeve is provided with a limiting plane, the limiting plane comprises an axial limiting surface and a radial limiting surface, the axial limiting surface extends along the axial direction of the main shaft, the radial limiting surface extends along the radial direction of the main shaft, and the axial limiting surface and the radial limiting surface are connected to form a step surface.

6. A rotating shaft according to any one of claims 1 to 5, wherein a limiting step is convexly arranged on the end surface of the mounting part close to the main shaft, and the limiting step is positioned between two adjacent concave clamping points.

7. The hinge according to claim 6, wherein there are four concave clamping points, four concave clamping points are arranged at equal intervals along the circumference of the mounting portion, and the limiting step extends from one of the concave clamping points to another concave clamping point adjacent to the one of the concave clamping points.

8. A spindle according to any one of claims 1 to 5, wherein the retaining member comprises a nut, the end of the spindle remote from the mounting portion being provided with an external thread, the nut being in threaded engagement with the external thread.

9. The spindle of claim 8, wherein the locking member further comprises a spacer and a wave spring, the inner wall of the spacer is provided with a mounting limiting plane, the spindle is provided with a mounting limiting surface, the mounting limiting plane abuts against the mounting limiting surface, and the nut presses the wave spring against the spacer.

10. A desk lamp comprising a rotary shaft according to any one of claims 1 to 9.

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