CN211398257U

CN211398257U - Rocking arm structure

Info

Publication number: CN211398257U
Application number: CN201922396882.9U
Authority: CN
Inventors: 邹东洪; 倪国龙
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-01
Anticipated expiration: 2029-12-27

Abstract

The embodiment of the application provides a rocking arm structure, its characterized in that, including pivot and elastic arm subassembly, wherein: the rotating shaft is provided with a blocking part, a fastening part is arranged from the blocking part to one end of the rotating shaft, the elastic arm assembly comprises a rotating arm, a disc spring and a fastening matching piece corresponding to the fastening part, the rotating arm is provided with a rotating shaft hole for penetrating the rotating shaft, and the fastening part sequentially penetrates through the rotating arm and the disc spring to be matched and connected with the fastening matching piece; the tumbler is mutually abutted with the blocking part, and the fastening fitting piece is matched with the fastening part to adjust the elastic force of the disc spring. This application adopts fastening portion, fastening fitting piece and rocking arm to press from both sides the structure of establishing the dish spring jointly, and relative movement through fastening portion changes the elastic deformation degree of dish spring, and then changes the resistance that receives when the rocking arm rotates to the combined action through fastening portion and fastening fitting piece is fixed with the elastic deformation of dish spring, has realized that the rocking arm rotates the technological effect that the resistance that receives can be adjusted.

Description

Rocking arm structure

Technical Field

The utility model relates to a jointing equipment technical field especially relates to a rocking arm structure.

Background

The swivel arm structure is a commonly used connecting part in an apparatus and can be used to change the relative angle between two parts or the height of a lifting part.

The existing rotating arm structure has the defects that the rotating arm is always fixed after being manufactured and cannot be adjusted due to resistance when rotating.

SUMMERY OF THE UTILITY MODEL

The present embodiment provides a rotating arm structure to solve the above problems.

The embodiment of the application adopts the following technical scheme:

the embodiment of the application provides a rotating arm structure, which comprises a rotating shaft and an elastic arm assembly, wherein the rotating shaft is provided with a blocking part, a fastening part is arranged from the blocking part to one end of the rotating shaft, the elastic arm assembly comprises a rotating arm, a disc spring and a fastening matching piece corresponding to the fastening part, the rotating arm is provided with a rotating shaft hole for penetrating the rotating shaft, and the fastening part sequentially penetrates through the rotating arm and the disc spring to be matched and connected with the fastening matching piece; the tumbler with the stopping part is mutual butt joint, fastening fitting piece with the cooperation of fastening part is adjusted the elastic force of dish spring.

Preferably, the rotating shaft is provided with two blocking parts, and a fastening part is arranged from each blocking part to one end of the rotating shaft; the elastic arm components are two and are respectively arranged at two ends of the rotating shaft.

Preferably, still include the torsional spring, the torsional spring includes spring body and torque arm, spring body cover is located the pivot, the torque arm respectively with two the rocking arm is connected, the torque arm can drive two through elastic recovery the rocking arm resets.

Preferably, the fastening portion is a threaded portion on the rotating shaft, the fastening mating member has an internal thread that mates with the threaded portion, the rotating arm is disposed through the rotating shaft hole in the threaded portion and abuts against the blocking portion, and the fastening mating member mates with the threaded portion to adjust the elastic force of the disc spring.

Preferably, the pivot arm includes a first arm plate and a second arm plate perpendicular to each other, and the pivot hole is provided in the first arm plate.

Preferably, the second arm plate extends from one side of the first arm plate, a pair of the first arm plates are arranged in parallel, and a pair of the second arm plates are arranged oppositely.

Preferably, the pivot arm further includes a baffle plate extending from one side of the second arm plate and disposed opposite to the first arm plate.

This application adopts fastening portion, fastening fitting piece and rocking arm to press from both sides the structure of establishing the dish spring jointly, and relative movement through fastening portion changes the elastic force of dish spring, and then changes the resistance that receives when the rocking arm rotates, has realized that the rocking arm rotates the technical effect that the resistance that receives can be adjusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of parts of a rotating arm structure disclosed in an embodiment of the present application.

Description of reference numerals:

1-rotating shaft, 2-elastic arm component, 3-rotating elastic component, 10-fastening component, 12-main shaft, 120-blocking component, 20-rotating arm, 22-disc spring, 24-fastening matching component, 30-torsion arm, 200-rotating shaft hole, 202-first arm plate, 204-second arm plate, 206-baffle plate and a-first direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

The present embodiment provides a rotating arm structure, as shown in fig. 1, including a rotating shaft 1 and a flexible arm assembly 2, in the present embodiment, the flexible arm assembly 2 rotates around the rotating shaft 1, and the flexible arm assembly 2 may be arranged as 2 as shown in fig. 1, and may also be arranged as 1 or more.

The extending direction of the rotating shaft 1 shown in fig. 1 is a first direction a, in order to cooperate with the elastic arm assembly 2, a fastening portion 10 is provided at one end of the rotating shaft 1, the elastic arm assembly 2 comprises a rotating arm 20, a disc spring 22 and a fastening fitting 24, the fastening fitting 24 and the fastening portion 10 are mutually cooperated for use, the fastening portion 10 can be arranged as a threaded portion shown in fig. 1, the fastening fitting 24 can be arranged as a corresponding nut or an internal thread loop bar, the fastening portion 10 can also be arranged as a rack, the fastening fitting 24 is correspondingly arranged as a clamping piece and the like, and the two can relatively move and fix the relative position through a certain cooperation effect.

In the present embodiment, the rotating shaft 1 sequentially passes through the rotating arm 20, the disc spring 22 and the fastening mating member 24, the rotating arm 20, the disc spring 22 and the fastening mating member 24 are sequentially arranged along the first direction a, and the rotating arm 20 and the fastening mating member 24 sandwich the disc spring 22, in the present embodiment, the position of the rotating arm 20 on the rotating shaft 1 is fixed, the rotating shaft 1 may be provided with a blocking portion 120 as shown in fig. 1, the blocking portion 120 may be a protrusion protruding from the surface of the rotating shaft 1, or as shown in fig. 1, a main shaft 12 may be disposed between two fastening portions 10, the radial dimension of the main shaft 12 is larger than that of the fastening portions 10, and the blocking portions 120 are disposed at two ends of the main shaft 12, as long as the position of the rotating arm 20 on the rotating shaft 1. By fixing the position of the rotatable arm 20, the state in which the disc spring 22 is sandwiched can be maintained when the fastening fitting 24 is moved.

In this embodiment, the rotating arm 20 may have a rotating shaft hole 200, and the rotating shaft 1 is inserted through the rotating shaft hole 200, or may have a structure such as a fixing clip, and may be configured to be fitted on the rotating shaft 1 and to rotate relatively.

When the fastening fitting 24 changes the fixing position, the different fixing positions press the disc spring 22 to different degrees, so that the disc spring 22 is elastically deformed to different degrees, and thus different elastic forces are generated. In the present embodiment, the disc spring 22 is sleeved on the rotating shaft 1 as shown in fig. 1, so that when the relative distance between the fastening fitting 24 and the rotating arm 20 is decreased, the elastic force of the disc spring 22 is increased, the pressure applied to the rotating arm 20 is increased, and thus, the friction force applied to the rotating arm 20 is also increased, which increases the difficulty of rotating the rotating arm 20.

In order to increase the rotational flexibility of the rotating arm structure according to the present embodiment, in the present embodiment, the two ends of the rotating shaft 1 along the first direction a are provided with the fastening portions 10, while the elastic arm assemblies 2 are correspondingly provided in two and respectively connected with the corresponding fastening portions 10, and two rotating arms 20 are used to increase the rotational flexibility.

In this embodiment, in order to increase the rotation elasticity function, as shown in fig. 1, a rotation elastic member 3 is further provided, two ends of the rotation elastic member 3 are respectively connected to the two rotating arms 20, the rotation elastic member 3 can drive the two rotating arms 20 to rotate relatively through elasticity restoration, the rotation elastic member 3 can be set as a torsion spring as shown in fig. 1, the torsion spring is inserted into the rotating shaft 1, two torsion arms of the torsion spring are abutted to the two rotating arms 20, so when the torsion spring is restored from an elastically deformed state, the rotating arms 20 can be driven to rotate, the rotation elastic member 3 can also be set as a spring extending along the circumferential direction, two ends of the spring are connected to the rotating arms 20, and the rotating arms 20 can be driven to rotate by releasing elastic potential.

For the convenience of manufacturing, as shown in fig. 1, the main shaft 12 is disposed between two fastening parts 10, the fastening parts 10 provided as screw parts are symmetrically disposed with respect to the main shaft 12, and the blocking parts 120 are disposed at both ends of the main shaft 12, so that the shape of the formed rotating shaft 1 is relatively simple and is convenient for manufacturing.

To facilitate the manufacture of the boom 20, the boom 20 is provided with a first arm plate 202 and a second arm plate 204 perpendicular to each other, the pivot hole 200 is provided in the first arm plate 202, and for further facilitating the manufacture, the second arm plate 204 extends from one side of the first arm plate 202 so that the cross section of the boom 20 has an L-shape, and for balancing the forces applied during the rotation, the pair of first arm plates 202 are opposed to each other in the first direction a, and the pair of second arm plates are located in the same circumferential direction perpendicular to the first direction a, so that the two booms 20 can be substantially balanced in the circumferential direction.

To prevent the rotating arm of the torsion spring from being separated from the rotating arm 20 during rotation, in the present embodiment, the rotating arm 20 is further provided with a blocking plate 206, and the blocking plate 206 and the first arm plate 202 are extended from the opposite side of the second arm plate 204 and are oppositely disposed, so that the blocking plate 205, the second arm plate 204 and the first arm plate 202 form a U-shaped groove, and the rotating arm of the torsion spring is disposed in the groove, thereby preventing the rotating arm of the torsion spring from being separated from the rotating arm 20 along the first direction a during rotation.

In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.

Claims

1. A boom structure comprising a pivot shaft and a resilient arm assembly, wherein:

the rotating shaft is provided with a blocking part, a fastening part is arranged at one end of the blocking part to the rotating shaft, the elastic arm component comprises a rotating arm, a disc spring and a fastening matching piece corresponding to the fastening part, the rotating arm is provided with a rotating shaft hole for penetrating the rotating shaft, and the fastening part sequentially penetrates through the rotating arm and the disc spring to be matched and connected with the fastening matching piece;

the tumbler with the stopping part is mutual butt joint, fastening fitting piece with the cooperation of fastening part is adjusted the elastic force of dish spring.

2. The boom structure of claim 1, wherein the rotation shaft is provided with two blocking portions, each of the blocking portions is provided with a fastening portion to one end of the rotation shaft, and the number of the elastic arm assemblies is two, and the two elastic arm assemblies are provided at both ends of the rotation shaft.

3. The rotating arm structure of claim 2, further comprising a torsion spring, wherein the torsion spring comprises a spring body and a torsion arm, the spring body is sleeved on the rotating shaft, the torsion arm is respectively connected with the two rotating arms, and the torsion arm can drive the two rotating arms to reset through elastic recovery.

4. The rotation arm structure according to claim 1, wherein the fastening portion is a threaded portion on the rotation shaft, the fastening mating member has an internal thread that mates with the threaded portion, the rotation arm is inserted into the threaded portion through the rotation shaft hole and abuts against the stopper, and the fastening mating member mates with the threaded portion to adjust the elastic force of the disc spring.

5. The boom structure according to claim 2, wherein the boom is provided with a first arm plate and a second arm plate perpendicular to each other, and the pivot hole is provided in the first arm plate.

6. The boom structure of claim 5 wherein the second arm plate extends from one side of the first arm plate, a pair of the first arm plates are disposed parallel to each other, and a pair of the second arm plates are disposed opposite to each other.

7. The boom structure of claim 6, wherein the boom is further provided with a baffle plate extending from a side of the second arm plate and disposed opposite to the first arm plate.