CN216952926U - Stably zooming pattern projection lamp - Google Patents

Abstract

The utility model discloses a pattern projection lamp with stable zooming, which comprises a lens mechanism, a main body mechanism and a zooming mechanism, wherein the lens mechanism comprises a front plate, a lens main body sleeved in the middle of the front plate and a lens fixing piece used for fixing the position of the lens main body, the main body mechanism comprises a bottom plate connected with the front plate, a rear plate assembled on one side of the bottom plate, copper columns used for connecting the front plate and the rear plate and right-angled pieces arranged on two sides of the bottom plate. The position of the lens main body is fixed through the lens fixing piece, the lens main body can be driven to move synchronously when the position of the lens fixing piece is changed, the other side of the lens fixing piece is connected with the tooth socket, the tooth socket is connected with the output screw rod of the screw rod motor, the position of the tooth socket can be changed when the screw rod motor starts the driving screw rod to rotate, the purpose of changing the position of the lens main body is achieved, the linear bearing is arranged and connected with the optical axis, the moving position of the lens fixing piece is limited, and the lens main body is stably moved.

Description

Stably zooming pattern projection lamp

Technical Field

The utility model relates to the technical field of pattern lamps, in particular to a pattern projection lamp with stable zooming.

Background

The stability and reliability of the transmission of the electronic focusing structure are very important factors for the focusing effect of the projection lamp, and in the actual use process, because the reset transmission is generated every time when the projection lamp is restarted, the use requirements are different, and the installation angles of the projection lamp are also various. Many focusing structures have obvious shaking, unsmooth or even no adjustment in the focusing process, and the like, so a pattern projection lamp with stable zooming is provided.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

the utility model provides a stabilize pattern projection lamp that zooms, includes camera lens mechanism, main part mechanism and zoom mechanism, camera lens mechanism includes the front bezel, cup joints the camera lens main part at the front bezel middle part, is used for the camera lens mounting of fixed camera lens main part position, main part mechanism includes the bottom plate that links to each other with the front bezel, assembles at the back plate of bottom plate one side, is used for connecting the copper post of front bezel and back plate and sets up the right angle spare in the bottom plate both sides, zoom mechanism including fix the linear bearing in the camera lens mounting outside, connect the facing on linear bearing, with facing threaded connection's lead screw motor, with linear bearing sliding connection's optical axis.

The present invention in a preferred example may be further configured to: the number of the right-angle pieces is two groups of four, and the other sides of the two groups of right-angle pieces are respectively connected to the front plate and the rear plate.

By adopting the technical scheme, the front plate and the rear plate can be firmly fixed on two sides of the bottom plate, and the construction of the adjusting cavity is realized.

The present invention in a preferred example may be further configured to: and a magnet is arranged on one side of the lens fixing piece, and a Hall plate is assembled at the position of the lens fixing piece where the magnet is arranged.

Through adopting above-mentioned technical scheme for magnet and hall plate are supporting to be used, and the basis of the projection of device has been guaranteed in the effectual change that carries on magnetic field.

The present invention in a preferred example may be further configured to: the clamp springs are clamped on the linear bearings and connected to the two ends of the linear bearings.

Through adopting above-mentioned technical scheme for linear bearing's position is by two jump rings centre gripping on the lens mounting, realizes the joint to linear bearing position.

The present invention in a preferred example may be further configured to: and two ends of the optical axis are fixed on the rear plate and the front plate.

By adopting the technical scheme, the position of the optical axis is fixed, and the position between the front plate and the rear plate is reinforced.

The present invention in a preferred example may be further configured to: the lead screw motor is fixed at the rear end of the rear plate, and the number of the lead screw motors is two.

Through adopting above-mentioned technical scheme for retrain each other between two lead screw motors, guarantee the equilibrium of regulation, the condition of slope can not take place.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the position of the lens main body is fixed through the lens fixing piece, so that the lens main body is driven to synchronously move when the position of the lens fixing piece is changed, the other side of the lens fixing piece is connected with the tooth socket, and then the tooth socket is connected with the output screw rod of the screw rod motor, so that when the screw rod motor is started to drive the screw rod to rotate, the position of the tooth socket can be changed, the purpose of changing the position of the lens main body is realized, and the linear bearing is arranged to be connected with the optical axis, so that the moving position of the lens fixing piece is limited, and the stable movement of the lens main body is realized.

Drawings

FIG. 1 is an exploded view of one embodiment of the present invention;

fig. 2 is a schematic view of a lens holder according to an embodiment of the utility model.

Reference numerals:

100. a lens mechanism; 110. a front plate; 120. a lens main body; 130. a lens holder;

200. a main body mechanism; 210. a base plate; 220. a copper pillar; 230. a back plate; 240. a right angle member;

300. a zoom mechanism; 310. a linear bearing; 320. a tooth socket; 330. a clamp spring; 340. a magnet; 350. a Hall plate; 360. an optical axis; 370. and a screw motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

A pattern projection lamp with stable zoom provided by some embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a stable zooming pattern projection lamp, which comprises a lens mechanism 100, a main body mechanism 200 and a zooming mechanism 300, wherein the lens mechanism 100 comprises a front plate 110, a lens main body 120 sleeved in the middle of the front plate 110, and a lens fixing member 130 for fixing the position of the lens main body 120, the main body mechanism 200 comprises a bottom plate 210 connected with the front plate 110, a rear plate 230 assembled on one side of the bottom plate 210, a copper pillar 220 for connecting the front plate 110 and the rear plate 230, and right-angle members 240 arranged on both sides of the bottom plate 210, the zooming mechanism 300 comprises a linear bearing 310 fixed on the outer side of the lens fixing member 130, a thread socket 320 connected on the linear bearing 310, a lead screw motor 370 in threaded connection with the thread socket 320, and an optical axis 360 in sliding connection with the linear bearing 310, a snap spring 330 is snapped on the linear bearing 310, the snap spring 330 is connected at the position of both ends of the linear bearing 310, one side of camera lens mounting 130 is provided with magnet 340, and the position of installation magnet 340 is equipped with hall plate 350 on camera lens mounting 130, be connected with camera lens mounting 130 through linear bearing 310, make the displacement of camera lens mounting 130 receive linear bearing 310's restraint, consequently, pass an optical axis 360 at linear bearing 310's middle part, make linear bearing 310's shift position restricted by optical axis 360, the realization is to the restraint of camera lens mounting 130 shift position, the stability of zooming regulation can be guaranteed to the facing 320 of connecting on the cooperation lead screw motor 370, the effectual practicality that has promoted the device.

Example two:

referring to fig. 1, on the basis of the first embodiment, the number of the right angle members 240 is two, two sets of four right angle members 240 are provided, the other sides of the two sets of right angle members 240 are respectively connected to the front plate 110 and the rear plate 230, and the front plate 110, the rear plate 230 and the bottom plate 210 are connected through the right angle members 240, so that the front plate 110, the bottom plate 210 and the rear plate 230 are fixedly connected to form a main framework, and the adjustment space of the foundation is ensured

Specifically, two ends of the optical axis 360 are fixed to the rear plate 230 and the front plate 110, and the optical axis 360 further reinforces the connection between the rear plate 230 and the front plate 110, thereby ensuring the stability of the device main body framework.

Example three:

referring to fig. 1, in the above embodiment, the screw rod motors 370 are fixed at the rear end of the rear plate 230, and the number of the screw rod motors 370 is two, and the two screw rod motors 370 synchronously rotate to realize the stable movement of the two tooth sockets 320, thereby ensuring the adjustment balance, avoiding the inclination of one motor during adjustment, effectively ensuring the zoom stability, and adopting screw rod transmission, having simple structure and greatly reducing the error probability.

The working principle and the using process of the utility model are as follows: firstly, the device is connected with a power supply, then the starting device starts to be used, when the focal length needs to be adjusted, only the lead screw motor 370 needs to be started to drive the tooth socket 320 to move, so that the lens fixing piece 130 is driven to synchronously move, the purpose of zooming is realized, meanwhile, due to the existence of the linear bearing 310, the lens fixing piece 130 can only do linear motion, so that the focal length is more stable during adjustment, the conditions of deviation, shaking and the like cannot occur, and finally, the device is reset after being used.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims (6)

1. A steady zoom pattern projection lamp, comprising:

the lens mechanism (100) comprises a front plate (110), a lens main body (120) sleeved in the middle of the front plate (110), and a lens fixing piece (130) used for fixing the position of the lens main body (120);

the main body mechanism (200) comprises a bottom plate (210) connected with the front plate (110), a rear plate (230) assembled on one side of the bottom plate (210), a copper column (220) used for connecting the front plate (110) and the rear plate (230) and right-angle pieces (240) arranged on two sides of the bottom plate (210);

the zoom mechanism (300) comprises a linear bearing (310) fixed on the outer side of the lens fixing piece (130), a tooth socket (320) connected to the linear bearing (310), a screw rod motor (370) in threaded connection with the tooth socket (320), and an optical axis (360) in sliding connection with the linear bearing (310).

2. A steady zoom pattern projection lamp as claimed in claim 1, wherein the number of said right angle members (240) is two sets of four, and the other sides of the two sets of right angle members (240) are connected to the front plate (110) and the rear plate (230), respectively.

3. The steady zoom pattern projection lamp as claimed in claim 1, wherein a magnet (340) is disposed on one side of the lens holder (130), and a hall plate (350) is mounted on the lens holder (130) at a position where the magnet (340) is mounted.

4. The steady zoom pattern projection lamp as claimed in claim 1, wherein a clamp spring (330) is clamped on the linear bearing (310), and the clamp spring (330) is connected to the positions of two ends of the linear bearing (310).

5. A steady zoom pattern projection lamp as claimed in claim 1, wherein both ends of the optical axis (360) are fixed to the rear plate (230) and the front plate (110).

6. The steady zoom pattern projection lamp as claimed in claim 1, wherein the lead screw motor (370) is fixed to the rear end of the rear plate (230), and the number of the lead screw motors (370) is two.

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