CN212846102U - Lens rotating device adopting waist-shaped hole connection - Google Patents

Abstract

A lens rotating device connected by a waist-shaped hole. It includes slip module, rivet board, rivet axle, bearing, pendulum rod, mirror piece, pivot, the mirror piece rotates and sets up in the pivot, the pendulum rod includes lens connecting portion, waist type hole portion, lens connecting portion shaping has the screw, the lens connecting portion of pendulum rod are fixed in on the mirror piece through the screw rod, waist type hole portion sets up in the below of lens connecting portion, waist type hole portion shaping has waist type hole, the rivet board is fixed in on the slip module, rivet axle left end is fixed in on the rivet board, the bearing inner circle is fixed in rivet axle right-hand member, the bearing outer lane matches waist type hole size and inlays and arranges in waist type hole. Adopt waist type jogged joint in this lens rotating device's the transmission conversion, the clearance is little between the transmission conversion part, can avoid the phenomenon of dragging when the transmission of straight line transmission changes pitch arc line simultaneously to precision is high, stability is good when making the lens rotate the regulation.

Description

Lens rotating device adopting waist-shaped hole connection

Technical Field

The utility model relates to an optical display device, in particular to lens rotating device who adopts waist type jogged joint, makes to rotate and adjusts the phenomenon of dragging when the precision is high, can avoid the transmission of sharp transmission pitch arc line simultaneously in the lens rotates.

Background

The vehicle can produce the vibrations of variation in size and rock in going, the driver needs adjustment position of sitting from time to time, same platform truck also has the people driving of different height, in order to guarantee driver's travelling comfort and convenience to on-vehicle optical display equipment use all the time, guarantee that optical lens's projection angle can be synchronous with people's eye all the time, on-vehicle optical display equipment need be equipped with lens rotating device and carry out lens angular adjustment, lens rotating device mainly slows down and the transform of transmission mode through transmission conversion equipment, then realize lens pivoted accurate adjustment.

In the traditional technical field, the linear transmission changes pitch arc transmission and mainly realizes through gear or turbine worm mode, for example drives the gear through the rack, also has the lead screw mode of adoption and realizes, and this kind of transmission conversion mode's is not enough to have: the hard connection is adopted, the noise is high during operation, and meanwhile, because the hard connection is normally arranged, a gap is reserved, deflection can be generated under the vibration and swing conditions, and the stability is poor; when the running deviation is generated between the upper and lower transmission stages, the locking is easy to occur; particularly in the case of linear transmission and arc transmission, if the connecting parts are directly fixed, the pulling phenomenon between the connecting parts can be caused, thereby affecting the operation of the whole device.

To overcome the drawbacks of the conventional art, the present inventor discloses an improved transmission conversion device in the patent No. 201921807019.1 entitled "a linear transmission arc line transmission device": the utility model provides a linear transmission changes pitch arc transmission, it includes drive module, lead screw slip table module, pendulum rod module, lead screw slip table module is provided with many spinal branchs vaulting pole, the pendulum rod module about including ball cover, and about ball spring, and about ball, and the lower extreme clamp locate about the pendulum rod in the middle of the ball, the rotatable setting of pendulum rod, this transmission conversion equipment adopt ball spring to realize the flexible coupling to can avoid dragging between the transmission conversion parts, the not enough of this structure is: due to the adoption of the connection of the ball and the spring, the flexibility of the spring can cause errors of stepping of the motor and rotation of the lens, and the accurate adjustment of the rotation of the lens cannot be realized.

Disclosure of Invention

The utility model aims at solving the technical problem, a lens rotating device who adopts waist type jogged joint is provided, adopts waist type jogged joint in this lens rotating device's the transmission conversion, and the clearance is little between the transmission conversion part, can avoid the phenomenon of dragging when the linear drive changes pitch arc transmission simultaneously to the precision is high, stability is good when making the lens rotate to adjust.

In order to solve the above-mentioned prior art problem, the technical scheme of the utility model is that:

a lens rotating device adopting waist-shaped hole connection comprises a sliding module, a rivet plate, a rivet shaft, a bearing, a swing rod, a reflector lens and a rotating shaft, wherein the reflector lens is rotatably arranged on the rotating shaft, the swing rod comprises a lens connecting part and a waist-shaped hole part, a screw hole is formed in the lens connecting part, the lens connecting part of the swing rod is fixed on the reflector lens through a screw rod, the waist-shaped hole part is arranged below the lens connecting part, a waist-shaped hole part is formed in the waist-shaped hole part, the rivet plate is fixed on the sliding module, the left end of the rivet shaft is fixed on the rivet plate, a bearing inner ring is fixed at the right end of the rivet shaft, a bearing outer ring is matched with the size of the waist-shaped hole and is embedded in the waist-shaped hole, the rivet plate, the rivet shaft and the bearing are driven by the sliding module to sequentially drive the front and back movement of, the oscillating bar and the reflecting mirror rotate around the rotating shaft through the back and forth movement of the bearing;

the rivet plate is fixed on the sliding base, the screw rod is driven by the stepping motor to rotate, the screw rod is driven to slide back and forth, and therefore the rivet plate is moved back and forth;

the sliding module further comprises a screw rod sleeve, a supporting rod and a supporting rod sleeve, wherein a screw rod sleeve through hole and a supporting rod sleeve through hole are horizontally and transversely formed in the screw rod seat, the screw rod sleeve and the supporting rod sleeve are respectively fixedly embedded in the screw rod sleeve through hole and the supporting rod sleeve through hole of the screw rod seat, the supporting rod is fixed on the sliding seat and penetrates through the supporting rod sleeve in the middle, the screw rod seat is arranged on the supporting rod in a sliding mode through the supporting rod sleeve, the number of the supporting rods is two or three or four, the supporting rods are symmetrically arranged, the screw rod is in threaded connection with the screw rod sleeve, and the screw rod drives the screw rod sleeve and the screw rod seat to slide back and forth on the sliding seat through rotation;

further, the bearing and the swing rod are made of stainless steel materials.

The utility model relates to an adopt lens rotating device of waist type jogged joint, its beneficial effect has:

1. the bearing is matched with the swing rod, so that the linear motion is converted into the curvilinear motion;

2. the bearing and the swing rod are tightly connected, the bearing is made of stainless steel materials, the sliding resistance is small, the power consumption is low, and the starting is easy;

3. the bearing is fixed on the rivet shaft in an interference fit manner, so that the manufacturing is simple, the precision is high, and the stability is good;

4. the vehicle can take place slight vibrations and sway in going, this vibrations can be conducted for the lens with swaing, thereby the influence throws the picture quality on the lens, in order to avoid this problem, the pendulum rod cover of connecting the lens is in the bearing, through waist shape hole connection, because the clearance reaches the optimum state, can not produce the swing that the naked eye perceived and rock under certain vibrations, and simultaneously, the step number that the motor is step-by-step and the rotatory angle conversion error of lens are also close, solve traditional ball spring and pendulum rod and combine, because the motor step-by-step and the rotatory error of lens that the elasticity of spring produced, the error of gearbox because the produced angle of gear clearance and step motor has also been solved.

Drawings

Fig. 1 is a perspective view of a lens rotating device connected by a kidney-shaped hole according to the present invention;

fig. 2 is an exploded view of the embodiment of fig. 1.

Detailed Description

The invention will be further described with reference to the following examples:

example (b):

referring to fig. 1 and 2, a lens rotating device connected by a waist-shaped hole comprises a sliding module 1, a rivet plate 2, a rivet shaft 3, a bearing 4, a swing rod 5, a reflection lens 6 and a rotating shaft 7, wherein the reflection lens 6 is rotatably arranged on the rotating shaft 7, the swing rod 5 comprises a lens connecting part 51 and a waist-shaped hole part 52, the lens connecting part is formed with a screw hole, the lens connecting part of the swing rod is fixed on the reflection lens through a screw rod, the waist-shaped hole part is arranged below the lens connecting part, the waist-shaped hole part 52 is formed with a waist-shaped hole, the rivet plate 2 is fixed on the sliding module 1, the left end of the rivet shaft is fixed on the rivet plate, the inner ring of the bearing is fixed on the right end of the rivet shaft, the outer ring of the bearing is matched with the size of the waist-shaped hole and is embedded in the waist-shaped hole, the rivet plate, the rivet shaft, because the outer ring of the bearing is embedded in the waist-shaped hole and connected with the swing rod, the swing rod and the reflector lens rotate around the rotating shaft through the back-and-forth movement of the bearing;

the sliding module 1 comprises a sliding table seat 11, a stepping motor 12, a screw rod 13 and a screw rod seat 14, the stepping motor comprises an output shaft, the screw rod seat is arranged on the sliding table seat in a front-back sliding mode, one end of the screw rod is fixedly connected with the output shaft, the other end of the screw rod is arranged in the sliding table seat through threads, a rivet plate is fixed on the sliding table seat and is rotated by the stepping motor to drive the screw rod seat to slide in the front-back mode, and therefore the rivet plate can move back and forth.

The bearing and the swing rod are made of stainless steel materials.

The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Claims (4)

1. The utility model provides an adopt lens rotating device of waist type jogged joint, its characterized in that, it includes slip module, rivet board, rivet axle, bearing, pendulum rod, reflection lens, pivot, reflection lens rotates and sets up in the pivot, the pendulum rod includes lens connecting portion, waist type hole portion, lens connecting portion shaping has the screw, the lens connecting portion of pendulum rod are fixed in on the reflection lens through the screw rod, waist type hole portion sets up in the below of lens connecting portion, waist type hole portion shaping has waist type hole, the rivet board is fixed in on the slip module, rivet axle left end is fixed in on the rivet board, the bearing inner circle is fixed in rivet axle right-hand member, the bearing inner race matches waist type hole size and inlays and arranges in waist type hole.

2. The device as claimed in claim 1, wherein the sliding module comprises a sliding base, a stepping motor, a lead screw, and a lead screw base, the stepping motor comprises an output shaft, the lead screw base is slidably disposed on the sliding base, one end of the lead screw is fixedly connected to the output shaft, the other end of the lead screw is disposed in the sliding base through a thread, and the rivet plate is fixed on the sliding base.

3. The lens rotating device adopting the kidney-shaped hole connection as claimed in claim 2, wherein the sliding module further comprises a screw rod sleeve, a supporting rod and a supporting rod sleeve, the screw rod seat is horizontally and transversely provided with a screw rod sleeve through hole and a supporting rod sleeve through hole, the screw rod sleeve and the supporting rod sleeve are respectively and fixedly embedded in the screw rod sleeve through hole and the supporting rod sleeve through hole of the screw rod seat, the supporting rod is fixed on the sliding seat and passes through the supporting rod sleeve in the middle, the screw rod seat is slidably arranged on the supporting rod through the supporting rod sleeve, the number of the supporting rods is two or three or four, a plurality of the supporting rods are symmetrically arranged, and the screw rod is connected with the screw rod sleeve through threads.

4. The device as claimed in claim 1, wherein the bearing and the swing link are made of stainless steel.

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