CN210776012U

CN210776012U - Projector with retractable lens

Info

Publication number: CN210776012U
Application number: CN201922028880.4U
Authority: CN
Inventors: 徐忠华; 祝斌; 刘洋
Original assignee: Weiliang Shenzhen Technology Co ltd
Current assignee: Weiliang Shenzhen Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-16
Anticipated expiration: 2029-11-21

Abstract

The utility model provides a projecting apparatus that camera lens can be received and released, including two-way motor, the driving gear, driven gear, the connecting rod, a supporting seat, guide pulley, screw thread worm and anticreep head, place box internal assembly two-way motor, the driving gear is installed to the two-way motor front side, the meshing of driving gear annular side downside has driven gear, driven gear internal engagement has screw thread worm, the anticreep head is installed to screw thread worm rear end face, the terminal surface welding has the connecting rod before the screw thread worm, the bilateral symmetry welding has the supporting seat about the connecting rod annular side, guide pulley is installed to the terminal surface under the supporting seat, the camera lens does not possess the function of receiving and releasing in original projecting apparatus has been solved in this design, the problem that the camera lens damaged easily when using, the utility model discloses rational in infrastructure, the camera lens possesses the.

Description

Projector with retractable lens

Technical Field

The utility model relates to a projecting apparatus that camera lens can receive and release belongs to projecting apparatus technical field.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places at present, and have different types such as CRT, LCD and DLP according to different working modes.

The lens among the present projecting apparatus does not possess and receive and releases the function, can not receive and release the lens according to the distance between projecting apparatus and the projection curtain to this improves the camera lens pixel, and the lens can not effectively protect the camera lens when using because can not receive and release in traditional projecting apparatus, has reduced camera lens life, and the problem that above-mentioned appearance was solved to the projecting apparatus that the camera lens can receive and release now urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projecting apparatus that camera lens can receive and release to solve the problem that proposes in the above-mentioned background art, the utility model discloses it is rational in infrastructure, make the camera lens possess the retractable function in the projecting apparatus, improved camera lens life.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a projector with a retractable lens comprises a projector body, a placing box, a retractable mechanism, a protective sleeve, a lens and a forward and reverse rotating button, wherein the placing box is installed at the middle position of the upper end face of the projector body, the retractable mechanism is arranged in the placing box, the protective sleeve is installed on the front end face of the projector body, the lens is installed on the inner side of the protective sleeve, the forward and reverse rotating button is installed on the front side of the upper end face of the projector body, the retractable mechanism comprises a bidirectional motor, a driving gear, a driven gear, a connecting rod, a supporting seat, a guide pulley, a threaded worm and an anti-falling head, the bidirectional motor is assembled in the placing box, the driving gear is installed on the front side of the bidirectional motor, the driven gear is meshed with the lower side of the annular side face of the driving gear, the threaded worm is meshed with the, the threaded worm is characterized in that a connecting rod is welded on the front end face of the threaded worm, supporting seats are symmetrically welded on the upper side and the lower side of the annular side face of the connecting rod, and guide pulleys are installed on the lower end faces of the supporting seats.

Furthermore, the inner annular side face of the driven gear is provided with an internal thread, and the internal thread is matched with the threaded worm.

Furthermore, two groups of guide pulleys are installed, and the specifications of the two groups of guide pulleys are the same.

Furthermore, the rear end face of the supporting seat is attached to a limiting block.

Further, the driven gear is matched with the driving gear.

Furthermore, an overhaul cover plate is installed on the upper end face of the placing box and is of a detachable structure.

The utility model has the advantages that: the utility model discloses a projecting apparatus that camera lens can be received and released, because of the utility model discloses add two-way motor, driving gear, driven gear, connecting rod, supporting seat, leading pulley, screw worm and anticreep head, this design makes the projecting apparatus camera lens can be received and released when using, has effectively improved camera lens life, has solved in the original projecting apparatus that the camera lens does not possess the function of receiving and releasing, and the problem of camera lens easy damage when using has improved the utility model discloses a can receive and release the effect.

Because of the driven gear inner ring side is equipped with the internal thread, internal thread and screw thread worm phase-match, this design makes things convenient for driven gear meshing screw thread worm to make the screw thread worm can the back-and-forth movement, because of there is a stopper supporting seat rear end face laminating, the stopper effectively carries on spacingly to the supporting seat, installs the maintenance apron because of placing box up end, overhauls the apron and be dismantled and assembled structure, this convenient design carries out dismouting maintenance to placing box internals, the utility model discloses rational in infrastructure makes the lens possess the retractable function in the projecting apparatus, has improved camera lens life.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a projector with a retractable lens according to the present invention;

fig. 2 is a right side sectional view of a retractable mechanism in a projector with a retractable lens according to the present invention;

fig. 3 is a front view of a driving gear and a driven gear of a retractable mechanism of a projector with a retractable lens according to the present invention;

in the figure: the projector comprises a projector body 1, a projector body 2, a placing box 3, a retractable mechanism 4, a protective sleeve 5, a lens 5, a positive and negative rotation button 6, a bidirectional motor 31, a driving gear 32, a driven gear 33, a connecting rod 34, a supporting seat 35, a guide pulley 36, a threaded worm 37, an anti-drop head 38 and an internal thread 331.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a projecting apparatus that camera lens can be received and released, includes projecting apparatus main part 1, places box 2, can receive and release mechanism 3, protective sheath 4, camera lens 5 and positive

reverse rotation button

6, and 1 up end intermediate position of projecting apparatus main part is installed and is placed box 2, places 2 inside can receive and release mechanism 3 that are provided with of box, and protective sheath 4 is installed to the terminal surface before the projecting apparatus main part 1, and camera lens 5 is installed to protective sheath 4 inboard, and positive reverse rotation button 6 is installed to 1 up end front side of projecting apparatus main part.

Retractable mechanism 3 includes two-way motor 31, driving gear 32, driven gear 33, connecting rod 34, supporting seat 35, guide pulley 36, threaded worm 37 and anticreep head 38, place 2 internally mounted two-way motor 31 of box, driving gear 32 is installed to two-way motor 31 front side, the meshing of driving gear 32 annular side downside has driven gear 33, driven gear 33 internally meshed has threaded worm 37, anticreep head 38 is installed to threaded worm 37 rear end face, threaded worm 37 preceding end face welding has connecting rod 34, connecting rod 34 annular side upper and lower bilateral symmetry welding has supporting seat 35, guide pulley 36 is installed to supporting seat 35 lower terminal surface, the lens does not possess the function of receiving and releasing in the original projecting apparatus has been solved in this design, the easy damaged problem of camera lens when using.

Driven gear 33 inner ring shape side is equipped with internal thread 331, internal thread 331 and threaded worm 37 phase-match, this design makes things convenient for driven gear 33 to mesh threaded worm 37, thereby make threaded worm 37 can the back-and-forth movement, guide pulley 36 installs two sets ofly, and 36 specifications of two sets of guide pulley are the same, this design has improved supporting seat 35 mobility stability, the laminating of supporting seat 35 rear end face has the stopper, the stopper effectively carries on spacingly to supporting seat 35, driven gear 33 and driving gear 32 phase-match, this design has improved rotational stability between driven gear 33 and the driving gear 32, it installs the maintenance apron to place 2 up ends of box, the maintenance apron is detachable construction, this design convenience carries out dismouting maintenance to placing 2 internals of box.

As an embodiment of the present invention: when the projector main body 1 is powered on and works, an operator can press the forward and reverse button 6 to enable the bidirectional motor 31 to be powered on and rotate forward to drive the driving gear 32 to rotate, the driving gear 32 rotates to be meshed with the driven gear 33, the driven gear 33 rotates to be meshed with the threaded worm 37 to enable the threaded worm 37 to move towards the front side, and then the connecting rod 34 drives the lens 5 to move and extend towards the front side, the anti-falling head 38 prevents the threaded worm 37 from falling off when moving towards the front side, the supporting seat 35 and the wire pulley effectively improve the moving stability of the connecting rod 34, when the lens 5 needs to be retracted, the forward and reverse button 6 is pressed to enable the bidirectional motor 31 to be powered on and reverse, at the moment, the lens 5 can move towards the rear side to retract to the inner.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a projecting apparatus that camera lens can be received and released, includes the projecting apparatus main part, places box, can receive and release mechanism, protective sheath, camera lens and positive reverse button, its characterized in that: a placing box is arranged in the middle of the upper end face of the projector main body, a retractable mechanism is arranged in the placing box, a protective sleeve is arranged on the front end face of the projector main body, a lens is arranged on the inner side of the protective sleeve, and a forward and reverse button is arranged on the front side of the upper end face of the projector main body;

retractable mechanism includes two-way motor, driving gear, driven gear, connecting rod, supporting seat, leading pulley, screw worm and anticreep head, place box internal assembly two-way motor, the driving gear is installed to the two-way motor front side, the meshing of driving gear annular side downside has driven gear, driven gear internal toothing has screw worm, the anticreep head is installed to screw worm rear end face, the welding of terminal surface has the connecting rod before the screw worm, the bilateral symmetry welding has the supporting seat about the connecting rod annular side, the leading pulley is installed to terminal surface under the supporting seat.

2. A lens retractable projector according to claim 1, wherein: the inner annular side face of the driven gear is provided with an internal thread, and the internal thread is matched with the threaded worm.

3. A lens retractable projector according to claim 1, wherein: two sets of guide pulleys are installed, and two sets of guide pulleys have the same specification.

4. A lens retractable projector according to claim 1, wherein: the rear end face of the supporting seat is attached to a limiting block.

5. A lens retractable projector according to claim 1, wherein: the driven gear is matched with the driving gear.

6. A lens retractable projector according to claim 1, wherein: the upper end face of the placing box is provided with an overhauling cover plate which is of a detachable structure.