CN108150780B

CN108150780B - Projector

Info

Publication number: CN108150780B
Application number: CN201611104612.0A
Authority: CN
Inventors: 赵寰宇
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2016-12-05
Filing date: 2016-12-05
Publication date: 2021-04-13
Anticipated expiration: 2036-12-05
Also published as: CN108150780A

Abstract

The application discloses projecting apparatus includes: a projector body; a base supporting the projector body; and the connecting mechanism is rotatably connected with the projector body and the base so that the projector body can swing up and down relative to the base. According to the projector provided by the invention, the projector body can swing up and down by arranging the base and the connecting mechanism, so that the projector body can be simply rotated, the adjustment of the setting position of the projector can be conveniently and flexibly realized, the working effect of the projector is obviously improved, and a user can have better use experience.

Description

Projector

Technical Field

The invention relates to the technical field of electronic equipment, in particular to a projector.

Background

The projector can enlarge and project images and videos on the curtain, so that the screen can be conveniently watched by a plurality of people in a long distance, and the projector becomes electronic equipment widely used in daily life and work of people.

In the prior art, the projector is generally fixedly connected with a tripod to realize support. In the actual use, the situation that the setting position of the projector needs to be adjusted often appears, and because the projector is fixedly connected to the tripod, the position of the projector can be adjusted only by adjusting the tripod or using other object height-adjusting modes. However, the adjustment method is very inconvenient to operate, which results in poor user experience.

Therefore, how to more conveniently realize the position adjustment of the projector has become a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the present invention provides a projector, which improves the existing structure to enable the height of the projected image to be adjusted more conveniently.

In order to achieve the purpose, the invention provides the following technical scheme:

a projector, comprising:

a projector body;

a base supporting the projector body;

and the connecting mechanism is rotatably connected with the projector body and the base so that the projector body can swing up and down relative to the base.

Preferably, in the projector, the connection mechanism includes:

a rotating shaft;

the fixed connecting piece is fixed on the projector body and is fixedly connected with the rotating shaft;

and the rotating connecting piece is fixed on the base and is rotationally connected with the rotating shaft.

Preferably, in the projector, the two connecting mechanisms are provided, rotating shafts of the two connecting mechanisms are aligned and coaxially arranged, and the two connecting mechanisms are symmetrically arranged about a straight line perpendicular to the rotating shafts, and the straight line is a central line passing through the center of the projector body.

Preferably, in the projector, a projection lens is disposed on a side surface of a front end of the projector body, and the rotation shaft is disposed parallel to the side surface of the front end.

Preferably, in the projector, the connecting mechanism is a spherical pair mechanism.

Preferably, in the projector, a circular groove is formed in a bottom surface of the projector body, the connecting mechanism is disposed in the circular groove, and the base is an annular base coaxially disposed with the circular groove.

Preferably, the projector further includes a cover covering the rotating shaft and the fixed connector.

Preferably, in the above projector, the fixed connecting member includes a first flat plate portion connected to the projector and a second flat plate portion connected to the rotating shaft, and an included angle is formed between the first flat plate portion and the second flat plate portion.

Preferably, in the projector, the rotating connecting member is a barrel-shaped member sleeved on the rotating shaft.

Preferably, in the projector, the projector body or the base is provided with a threaded hole through which a bolt can be inserted to connect with the bracket.

The projector provided by the invention not only comprises a projector body, but also is additionally provided with a base and a connecting mechanism. Wherein, the base is used for supporting the projecting apparatus body, and coupling mechanism has then realized the rotation of projecting apparatus body and base and has connected for the projecting apparatus body can rotate on the base through coupling mechanism, and then makes the projecting apparatus body can carry out the regulation of luffing motion in order to realize the position. When setting up the projecting apparatus, can be with base fixed connection to tripod on, when the position of needs adjustment projecting apparatus, only need push down or lift the tip of projecting apparatus body on, make the projecting apparatus body rotate around coupling mechanism, just can realize projecting lens's luffing motion to change the position that sets up of projecting apparatus. According to the projector provided by the invention, the projector body can swing up and down by arranging the base and the connecting mechanism, so that the projector body can be simply rotated, the adjustment of the setting position of the projector can be conveniently and flexibly realized, the working effect of the projector is obviously improved, and a user can have better use experience.

Drawings

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

Fig. 1 is a schematic diagram of a projector according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the projector;

FIG. 3 is an exploded schematic view of the projector;

FIG. 4 is a schematic view of the coupling mechanism of FIG. 3 shown assembled;

FIG. 5 is a schematic structural view of the connection mechanism of FIG. 4 connected to a base;

FIG. 6 is a schematic structural view of the connection mechanism at another angle after being connected to the base;

FIG. 7 is a top view of the coupling mechanism coupled to the base;

fig. 8 is an assembly view of the bottom of the projector.

In fig. 1-8:

1-projector body, 2-projection lens, 3-base, 4-connecting mechanism, 5-circular groove, 6-cover cap, 7-threaded hole;

41-rotating shaft, 42-fixed connecting piece and 43-rotating connecting piece.

Detailed Description

The invention provides a projector, which can more conveniently realize the adjustment of the height of a projected image by improving the existing structure.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

As shown in fig. 1 to 8, the projector according to the embodiment of the present invention includes a projector body 1, a base 3, and a connecting mechanism 4 connecting the projector body 1 and the base 3, and the projector body 1 can swing up and down with respect to the base 3 by the rotational connection of the connecting mechanism 4. When the projector is used, the projector body 1 can be arranged on the tripod through the fixed connection of the base 3 and the tripod, when the position of the projector body 1 needs to be adjusted in the use process, corresponding acting force can be applied to the projector body 1, the connecting mechanism 4 works to realize the rotation of the projector body 1, the projector body 1 swings up and down relative to the base 3, and then the height and the angle of the projector body 1 can be conveniently and flexibly adjusted.

In order to further optimize the technical solution, in the projector provided in this embodiment, as shown in fig. 3 to 6, the connection mechanism 4 includes: a rotating shaft 41 provided parallel to the bottom surface of the projector body 1; a fixed connector 42 fixed on the projector body 1 and fixedly connected with the rotating shaft 41; and a rotary connecting piece 43 fixed on the base 3 and rotatably connected with the rotating shaft 41. The main function of the connection mechanism 4 in this embodiment is to enable the projector body 1 to rotate relative to the base 3, and on the premise of meeting this requirement, the structure of the connection mechanism 4 can be selected in many ways, in this embodiment, it is preferable to use the rotating shaft 41 as a core component, the fixed connection piece 42 fixedly connects the rotating shaft 41 with the projector body 1, and the rotating connection piece 43 is fixed on the base 3 and rotatably connected with the rotating shaft 41, and the relative rotation between the projector body 1 and the base 3 is realized through the relative rotation between the rotating shaft 41 and the rotating connection piece 43.

In addition, the connection mechanism may also be a spherical pair mechanism, so that the projector body 1 can be position-adjusted in multiple directions. Alternatively, the rear end of the projector body 1 is rotatably connected to the base 3 via a rotating shaft, and a member (for example, a cylinder) capable of lifting the front end is provided at the bottom of the front end (the end where the projection lens 2 is provided) of the projector body 1, so that the projector body 1 can swing up and down with respect to the base 3. Or, an arched guide rail is arranged on the base 3 (or the top surface of the base is set to be a convex arc-shaped surface), a sliding block is arranged on the guide rail in a sliding mode, the projector body is connected to the sliding block, the projector body 1 moves along a parabolic track through the movement of the sliding block on the arched guide rail, and the up-and-down swinging of the projector body 1 relative to the base 3 can also be achieved.

Preferably, the connecting mechanisms 4 are two, the rotating shafts 41 of the two connecting mechanisms 4 are aligned and coaxially arranged, and the two connecting mechanisms 4 are symmetrically arranged about a line perpendicular to the rotating shafts 41, the line being a center line passing through the center of the projector body 1, as shown in fig. 2 to 6. In the present embodiment, in order to improve the connection and rotation effect between the projector body 1 and the base 3, it is preferable to provide two connection mechanisms 4 so that there are two connection points between the projector body 1 and the base 3, and in order to ensure the normal relative rotation between the projector body 1 and the base 3, the two connection mechanisms 4, especially the two rotation shafts 41 in the two connection mechanisms 4, are aligned and coaxially arranged so as to ensure that the projector body 1 can rotate around the same axis. In order to optimize the rotation connection effect to the maximum extent and improve the force and rotation stability, it is preferable that the two connection mechanisms 4 are symmetrically disposed, as shown in fig. 7, the symmetric axis is a center line (an axis of the threaded hole 7 in fig. 7) perpendicular to the rotation shaft 41 and passing through the center of the projector body 1, and may also be a center line perpendicular to the rotation shaft 41 and passing through the bottom surface of the projector body 1. In addition, under the prerequisite of guaranteeing that projecting apparatus body 1 and base 3 can normally rotate relatively, coupling mechanism 4 also can be one or more, when coupling mechanism 4 is more than two, also need to guarantee that all coupling mechanisms 4 are all just adjusted and coaxial setting.

As shown in fig. 1, the projection lens as a component of the projector body 1 is disposed on a front end side surface of the projector body, and when the rotating shaft 41 is connected to the projector body 1, it is preferable that the rotating shaft 41 is disposed parallel to the front end side surface, so that when the projector body 1 swings up and down around an axis of the rotating shaft 41, the projection lens 2 can be driven to swing up and down, thereby realizing height adjustment of a projected image. The installation direction of the rotation shaft 41 is not limited to this, and it may be installed in other directions, for example, the rotation shaft 41 is installed perpendicular to the front end side surface where the projection lens is installed, so that the left and right ends of the projector main body 1 can swing up and down to change the angle of the projected image.

As shown in fig. 3 to 5, a circular groove 5 is formed on the bottom surface of the projector body 1, the connecting mechanism 4 is disposed in the circular groove 5, and the base 3 is an annular base 3 disposed coaxially with the circular groove 5, as shown in fig. 3, 7 and 8. Set up circular recess 5 on the bottom surface of projecting apparatus body 1, reserve certain installation space for coupling mechanism 4 and base 3, can further reduce the volume of whole projecting apparatus, also be favorable to cooperating with shroud 6 that follow-up mentions moreover. The base 3 may be a polygonal plate-shaped base or the like in addition to the annular base provided coaxially with the circular groove 5 in order to sufficiently improve the support stability of the projector body 1.

In this embodiment, a cover 6 covering the rotating shaft 41 and the fixed connecting member 42 is further included, as shown in fig. 2, 3 and 8. The cover cap 6 is additionally arranged to cover the rotating shaft 41, the fixed connecting piece 42 and other mechanical mechanisms, so that the appearance attractiveness of the projector can be improved, the protection is provided for the connecting mechanism 4, the influence of external factors on the work of the connecting mechanism 4 is avoided, and the working performance of the projector is more outstanding.

Specifically, it is preferable that the fixed connection member 42 includes a first flat plate portion connected to the projector body 1 and a second flat plate portion connected to the rotation shaft 41, and an angle is formed between the first flat plate portion and the second flat plate portion, and the angle is preferably a right angle, as shown in fig. 3 to 7. The fixed link 42 is used to connect the rotating shaft 41 to the projector main body 1, and in order to improve the effect of the fixed connection, the fixed link 42 is preferably a right-angle structure formed by bending a flat plate, and the two flat plate portions constituting the right-angle structure are a first flat plate portion and a second flat plate portion, respectively. The fixing connector 42 having such a structure can attach the first flat plate portion to the bottom surface of the projector body 1 to ensure a sufficient connection area therebetween, and then fix the first flat plate portion to the bottom surface of the projector body 1 by screws. The second flat plate portion is perpendicular to the bottom surface of the projector body 1, and a rotating shaft 41 parallel to the bottom surface of the projector body 1 passes through the second flat plate portion and is locked to the second flat plate portion by a nut. In addition, the fixed connection member 42 may have other structures, such as a T-shaped structure.

The rotating connecting member 43 is preferably a barrel-shaped member that is fitted over the rotating shaft 41, as shown in fig. 2 to 8. The rotary connecting piece 43 is arranged to be a barrel-shaped piece, so that the rotary connecting piece can be connected with the rotating shaft 41 in a rotating mode, and the rotating shaft 41 and the fixed connecting piece 42 can be completely covered by matching with the cover 6, so that the protection effect is improved. The rotational connection 43 may also be a barrel or a bearing or the like.

Further, the projector body 1 or the base 3 is provided with a threaded hole 7 through which a bolt can be inserted to connect with the bracket, as shown in fig. 2 to 8. The threaded hole 7 is provided to keep consistent with the connection structure of the existing tripod, so that the connection between the projector and the tripod provided by the embodiment is facilitated. In order to improve the connection effect, when the screw hole 7 is provided in the projector body 1, it is preferable that the screw hole 7 is provided in the center portion of the projector body 1, and the screw hole 7 is also provided in the center portion of the cover 6, so as to prevent the connection between the projector body 1 and the tripod from being affected by the provision of the cover 6.

In this specification, the structures of the respective portions are described in a progressive manner, and the structure of each portion is mainly described as being different from the existing structure, and the whole and partial structures of the projector can be obtained by combining the structures of the respective portions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A projector, characterized by comprising:

a projector body;

a base supporting the projector body;

the connecting mechanism is used for rotatably connecting the projector body and the base so that the projector body can swing up and down relative to the base under the action of acting force;

a circular groove is formed in the bottom surface of the projector body, the connecting mechanism is arranged in the circular groove, and the base is an annular base which is coaxial with the circular groove and can swing up and down relative to the circular groove;

wherein:

the connecting mechanism includes: a rotating shaft; the fixed connecting piece is fixed on the projector body and is fixedly connected with the rotating shaft; the rotating connecting piece is fixed on the base and is rotationally connected with the rotating shaft;

the two connecting mechanisms are arranged, rotating shafts of the two connecting mechanisms are aligned and coaxially arranged, the two connecting mechanisms are symmetrically arranged relative to a straight line perpendicular to the rotating shafts, and the straight line is a central line passing through the center of the projector body.

2. The projector according to claim 1, wherein a projection lens is provided on a front end side surface of the projector body, and the rotation axis is provided in parallel with the front end side surface.

3. The projector as claimed in claim 1, wherein the connection mechanism is a spherical pair mechanism.

4. The projector as claimed in claim 1, further comprising a cover covering the rotation shaft and the fixed link.

5. The projector as claimed in claim 1, wherein the fixed connecting member includes a first flat plate portion connected to the projector and a second flat plate portion connected to the rotary shaft, the first flat plate portion and the second flat plate portion having an angle therebetween.

6. The projector as claimed in claim 1, wherein the rotary connector is a barrel-shaped member fitted over the rotary shaft.

7. The projector as claimed in any one of claims 1 to 6, wherein the projector body or the base has a threaded hole through which a bolt can be inserted to connect with a bracket.