CN214663010U

CN214663010U - Projector capable of adjusting front and back directions

Info

Publication number: CN214663010U
Application number: CN202021656542.1U
Authority: CN
Inventors: 裴俊星
Original assignee: Hainan Xingzhihui Advertising Decoration Co ltd
Current assignee: Hainan Xingzhihui Advertising Decoration Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-11-09
Anticipated expiration: 2030-08-11

Abstract

The application discloses a projector capable of adjusting the front and back directions, which comprises a projector and a sliding device; the sliding device comprises a sliding seat, a driving motor, a ball screw, a linear guide rail and a sliding block; the ball screw and the driving motor are arranged on the sliding seat, and the ball screw is connected with the driving motor; linear guide rails parallel to the ball screw are arranged on two sides of the sliding seat; the sliding seat is also provided with a sliding block which is connected with the linear guide rail and the ball screw in a sliding way; the top of the sliding block is fixedly connected with a supporting plate; the top of the supporting plate is provided with a projector. The application provides an adjustable fore-and-aft direction's projecting apparatus, when having the distance deviation on projecting apparatus projection video to the curtain, ball moves along with driving motor's opening, and sliding block cooperation ball on the sliding seat slides to drive the projecting apparatus and carry out the regulation distance, adjust best throw distance, solved current projecting apparatus and all adopted the fixed mounting mode, the user is difficult to carry out the technical problem of distance adjustment to the projecting apparatus.

Description

Projector capable of adjusting front and back directions

Technical Field

The application belongs to the technical field of projection equipment, especially, relate to a projecting apparatus of adjustable fore-and-aft direction.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected to a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are now widely used in homes, offices, learning and entertainment venues.

Because the projecting apparatus has certain distance to the curtain, so when the projecting apparatus throws image or video to the curtain, the distance difference of distance leads to the image or the video of throwing on the curtain to have the phenomenon that the area is too big or the undersize easily, but current projecting apparatus all adopts fixed mounting mode, and the user is difficult to carry out distance adjustment to the projecting apparatus.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a projecting apparatus of adjustable fore-and-aft direction for solve current projecting apparatus and all adopt fixed mounting mode, the user is difficult to carry out the technical problem of distance adjustment to the projecting apparatus.

In view of the above, the present application provides a projector capable of adjusting a front-back direction, including: a projector and a slide;

the sliding device comprises a sliding seat, a driving motor, a ball screw, a linear guide rail and a sliding block;

the ball screw and the driving motor are arranged on the sliding seat, and the ball screw is connected with the driving motor;

linear guide rails parallel to the ball screw are arranged on two sides of the sliding seat;

the sliding seat is also provided with the sliding block, the sliding block is connected with the linear guide rail in a sliding manner, and the sliding block is arranged on the ball screw;

the top of the sliding block is fixedly connected with a supporting plate;

the projector is arranged at the top of the supporting plate;

the sliding block is provided with a guide rail sliding groove and a lead screw sliding sleeve;

the guide rail sliding groove is matched with the linear guide rail in a guiding way;

the lead screw sliding sleeve is arranged in the middle of the guide rail sliding grooves, the guide rail sliding grooves are arranged on two sides of the lead screw sliding sleeve, and a screw hole in transmission fit with the ball screw is formed in the lead screw sliding sleeve.

Optionally, a limiting slide rail device is arranged at the bottom of the supporting plate; the limiting slide rail device comprises a limiting slide groove, a slide bar and a baffle, the slide bar is connected with the limiting slide groove in a sliding mode, and the outer end of the slide bar is fixedly connected with the baffle.

Optionally, the number of the limiting sliding grooves is 2, and the number of the sliding strips is 4; 2 the spacing spout parallel set up side by side in backup pad bottom, 4 the draw runner sets gradually in 2 respectively from top to bottom in the spacing spout.

Optionally, circular gaps are arranged on the sliding strip at equal intervals, and the supporting plate is sleeved with clamping columns matched with the circular gaps for use.

Optionally, the number of the baffles is 2, and the 2 baffles are respectively located at two sides of the supporting plate.

Optionally, both ends of the sliding seat are provided with ball screw supporting seats, and the ball screws are mounted on the sliding seat through the ball screw supporting seats.

Optionally, the driving motor is connected with the ball screw through the ball screw supporting seat.

Optionally, the projector is detachably connected to the support plate.

Optionally, the support plate is a rectangular parallelepiped support plate.

According to the technical scheme, the embodiment of the application has the following advantages:

the application provides a projector capable of adjusting the front and back directions, which comprises a projector and a sliding device; the sliding device comprises a sliding seat, a driving motor, a ball screw, a linear guide rail and a sliding block; the ball screw and the driving motor are arranged on the sliding seat, and the ball screw is connected with the driving motor; linear guide rails parallel to the ball screw are arranged on two sides of the sliding seat; the sliding seat is also provided with a sliding block, the sliding block is connected with the linear guide rail in a sliding manner, and the sliding block is arranged on the ball screw; the top of the sliding block is fixedly connected with a supporting plate; the top of the supporting plate is provided with a projector; the sliding block is provided with a guide rail sliding groove and a lead screw sliding sleeve; the guide rail sliding groove is matched with the linear guide rail in a guiding way; the guide rail sliding grooves are arranged on two sides of the guide rail sliding sleeve; and a screw hole in transmission fit with the ball screw is formed in the screw sliding sleeve.

The utility model provides an adjustable fore-and-aft direction's projecting apparatus installs ball, linear guide and sliding block on the sliding seat, and ball is connected with driving motor, and ball can operate when opening driving motor, and the guide rail spout and the lead screw sliding sleeve that set up on the sliding block slide with linear guide and ball cooperation respectively along with ball's operation. The sliding block is fixedly connected with the supporting plate, and the top of the supporting plate is provided with the projector. The operating speed of rolling screw is slow, can suitably adjust the distance of the projecting apparatus of sliding block top, and the speed leads to the distance that is difficult to the adjustment projecting apparatus at the excessive speed when avoiding linear guide and sliding block direction slip. When projecting apparatus and curtain apart from too far away, image or the video undersize that the projecting apparatus appears on projecting the curtain, the user sees the shadow effect poor, when projecting apparatus and curtain distance is too near, image or video that the projecting apparatus appears on projecting the curtain are too big, exceed the scope of curtain even, the effect of projecting image or video to the curtain is being influenced to the distance of projecting apparatus distance, the distance of sliding block and linear guide slip can suitably adjust the projecting apparatus. The technical problem of current projecting apparatus all adopt fixed mounting mode, the user is difficult to carry out distance adjustment to the projecting apparatus is solved.

Drawings

Fig. 1 is a schematic structural diagram of a projector capable of adjusting a front-back direction provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a limiting slide rail device provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a slider provided in an embodiment of the present application;

fig. 4 is a schematic structural view of a support plate sleeved with a clamping column provided in the embodiment of the present application;

fig. 5 is a schematic structural view of a ball screw support provided in an embodiment of the present application on a sliding seat;

wherein the reference numerals are:

1. a drive motor; 2. a sliding seat; 3. a linear guide rail; 4. a ball screw; 5. a slider; 51. a guide rail chute; 52. a screw rod sliding sleeve; 6. a projector; 7. a support plate; 8. a sliding device; 9. a baffle plate; 10. A slide rail limiting device; 11. a limiting chute; 12. a slide bar; 13. a circular notch; 14. clamping the column; 15. Ball supporting seat.

Detailed Description

In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part 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.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Example 1

For easy understanding, referring to fig. 1 to 5, an embodiment of an adjustable front-back projector provided by the present application includes: the projector 6 and the slide device 8; the sliding device 8 comprises a sliding seat 2, a driving motor 1, a ball screw 4, a linear guide rail 3 and a sliding block 5; the ball screw 4 and the driving motor 1 are arranged on the sliding seat 2, and the ball screw 4 is connected with the driving motor 1; linear guide rails 3 parallel to the ball screw 4 are arranged on two sides of the sliding seat 2; the sliding seat 2 is also provided with a sliding block 5, the sliding block 5 is connected with the linear guide rail 3 in a sliding manner, and the sliding block 5 is arranged on the ball screw 4; the top of the sliding block 5 is fixedly connected with a supporting plate 7; the top of the supporting plate 7 is provided with a projector 6; the sliding block 5 is provided with a guide rail sliding groove 51 and a lead screw sliding sleeve 52, the guide rail sliding groove 51 is in guide fit with the linear guide rail 3, the lead screw sliding sleeve 52 is arranged in the middle of the guide rail sliding groove 51, the guide rail sliding grooves 51 are arranged on two sides of the lead screw sliding sleeve 52, and a screw hole in transmission fit with the ball screw 4 is formed in the lead screw sliding sleeve 52.

It should be noted that, in this embodiment, the sliding device 8 includes a sliding seat 2, a driving motor 1, a ball screw 4, a linear guide 3 and a sliding block 5, the ball screw 4 and the driving motor 1 are installed on the sliding seat 2, the ball screw 4 is connected with the driving motor 1, the linear guide 3 parallel to the ball screw 4 is installed on both sides of the sliding seat 2, the sliding seat 2 is further provided with the sliding block 5, the sliding block 5 is slidably connected with the linear guide 3, the sliding of the sliding block 5 depends on the operation of the ball screw 4, in order to ensure that the sliding block 5 can slidably connect with the linear guide, the sliding block 5 is provided with a guide rail sliding groove 51 and a screw sliding sleeve 52, the guide rail sliding groove 51 is in guiding fit with the linear guide 3, the screw sliding sleeve 52 is installed in the middle of the guide rail sliding groove 51, the guide rail sliding groove 51 is installed on both sides of the screw sliding sleeve 52, a screw hole in driving fit with the ball screw 4 is opened inside the screw sliding sleeve 52, in order to adjust the projector 6 to the optimal projection distance, the sliding block 5 needs to slide smoothly and slowly, and the distance adjustment of the projector 6 depends on the sliding of the sliding block 5 in cooperation with the ball screw 4 and the linear guide 3, and can be adjusted according to practical application scenarios, which is not limited in particular.

The front and back regulation theory of operation of the adjustable fore-and-aft direction's of projecting apparatus in this application embodiment does:

when the front-back distance of the projector 6 is required to be adjusted, the driving motor 1 is firstly turned on, the ball screw 4 operates along with the turning-on of the driving motor 1, the sliding block 5 slides along with the operation of the ball screw 4 and the linear guide rail 3 in a matching manner, then the sliding block 5 drives the projector 6 on the supporting plate 7 to slide, and finally the driving motor 1 is turned off according to the optimal distance projected by the projector 6.

The utility model provides an adjustable fore-and-aft direction's projecting apparatus installs ball 4, linear guide 3 and sliding block 5 on sliding seat 2, and ball 4 is connected with driving motor 1, and ball 4 can function when opening driving motor 1, and the guide rail spout 51 and the lead screw sliding sleeve 52 that set up on sliding block 5 slide with linear guide 3 and the cooperation of ball 4 respectively along with ball 4's function. Sliding block 5 and backup pad 7 fixed connection, the top is installed projecting apparatus 6 on the backup pad 7. The running speed of the rolling screw 4 is slow, the distance of the projector 6 above the sliding block 5 can be properly adjusted, and the problem that the distance of the projector 6 is difficult to adjust due to the fact that the linear guide rail 3 and the sliding block 5 slide at an excessively high speed is avoided. When projecting apparatus 6 and curtain apart from too far away, the image or the video undersize that present on the curtain are projected to projecting apparatus 6, the user sees the shadow effect poor, when projecting apparatus 6 and curtain apart from too near, the image or the video that present on the curtain are projected to projecting apparatus 6 is too big, even exceed the scope of curtain, the effect on the curtain is being projected to projecting image or video is being influenced to the distance of projecting apparatus 6, sliding block 5 and linear guide 3 slip can suitably adjust the distance of projecting apparatus 6. The technical problem of current projecting apparatus 6 all adopt fixed mounting mode, the user is difficult to carry out distance adjustment to projecting apparatus 6 is solved.

Example 2

For convenience of understanding, please refer to fig. 1 to 5, as a further improvement of the projector capable of adjusting the front-back direction in the embodiment of the present application, the projector capable of adjusting the front-back direction in the embodiment of the present application further includes a limiting slide rail device 10, the limiting slide rail device 10 is fixedly connected to the bottom of the supporting plate 7, the limiting slide rail device 10 includes a limiting slide groove 11, a slide bar 12 and a baffle 9, the limiting slide groove 11 is slidably connected to the slide bar 12, and an outer end of the slide bar 12 is fixedly connected to the baffle 9. In order to adapt to projectors 6 of different lengths, in the case that the supporting plate 7 is difficult to change, if the length of the projector 6 mounted on the supporting plate 7 exceeds the supporting plate 7, the projector 6 may shake due to the sliding of the sliding block 5 when adjusting the distance, so that the mounting interface is easily loosened, and the projector 6 may easily fall to the ground along with the sliding of the sliding block 5 in the past. The sliding strip 12 can be slid to the edge of the projector 6, the projector 6 is further fixed by the baffle 9 fixedly connected with the outer end of the sliding strip 12, and the situation that the projector 6 falls to the ground when the mounting interface of the support plate 7 and the projector 6 is loose is avoided.

It should be noted that, in order to guarantee that the limiting slide rail device 10 can slide stably, the number of the limiting slide grooves 11 is 2, 2 limiting slide grooves 11 are arranged in parallel at the bottom of the supporting plate 7, the number of the slide bars 12 is 4, and the 4 slide bars 12 are respectively arranged in the 2 limiting slide grooves 11 from top to bottom in sequence, so that the situation that the limiting slide rail device 10 cannot normally operate when 1 slide bar 12 fails can be avoided.

It should be noted that, when the support plate 7 moves, the slide bar 12 is easy to slide freely in the limiting sliding groove 11 due to shaking, in order to fix the slide bar 12 at a specific position, circular notches 13 are arranged at equal intervals on the slide bar 12, and a clamping column 14 matched with the circular notches 13 for use is sleeved on the support plate 7, if the position of the slide bar 12 needs to be limited, the clamping column 14 can be pressed once, the clamping column 14 is clamped with the circular notches 13, the slide bar 12 cannot slide, if the slide bar 12 needs to be loosened, the clamping column 14 needs to be pressed twice, and the clamping column 14 is separated from the circular notches 13 immediately.

It should be noted that, in order to further stabilize the projector 6, and prevent the situation that the projector 6 mounted on the supporting plate 7 is insecure and leads to falling to the ground from occurring, the number of the baffles 9 is 2, 2 baffles 9 are respectively located at two sides of the supporting plate 7, and according to the projectors 6 with different lengths, the sliding bar 12 is slid out to a proper position, so that the projector 6 is stabilized better by 2 baffles 9, and in order to further optimize the stability of the baffle 12, the same 1 baffle 12 needs to be connected with 2 sliding bars 12 at the same time.

Example 3

For easy understanding, referring to fig. 1 to 5, in one embodiment, in order to ensure that both ends of the ball screw 4 can be mounted on the sliding seat 2, both ends of the sliding seat 2 are provided with ball screw supporting seats 15, the ball screw 4 is mounted on the sliding seat 2 through the ball screw supporting seats 15, and the ball screw 4 is implemented on the sliding seat 2 to slide in cooperation with the screw sliding sleeve 52.

Example 4

For easy understanding, referring to fig. 1 to 5, in one embodiment, to turn on the driving motor 1, the ball screw 4 operates with the driving motor 1 turned on, and the driving motor 1 is connected to the ball screw 4 through the ball screw support 15.

Example 5

For easy understanding, referring to fig. 1 to 5, in an embodiment, different projector 6 devices are used for different projection effects, and for facilitating installation or removal of the projector 6, the workload of installation and removal of a user is effectively reduced, and the projector 6 is detachably connected to the supporting plate 7.

Example 6

For easy understanding, referring to fig. 1 to 5, in one embodiment, in order to be suitable for installing most of the rectangular projectors 6 on the market, the supporting plate 7 is a rectangular supporting plate 7, so that the supporting plate 7 is more stable when the projectors are installed and is not easy to fall to the ground.

when the front-back distance of the projector 6 needs to be adjusted, firstly, whether the length of the projector 6 exceeds the length of the supporting plate 7 is determined, if the length of the projector 6 exceeds the length of the supporting plate 7, the slide bar 12 needs to slide out of the limiting slide groove 11 to one side of the projector 6, the clamping column 14 is used for clamping the circular notch 13 on the slide bar 12, so that the position of the slide bar 12 is convenient to fix, the baffle 9 connected with the outer end of the slide bar 12 further fixes the projector 6, then the driving motor 1 is opened, the ball screw 4 is driven to operate through the ball screw supporting seat 15, and the guide rail slide groove 51 and the screw slide sleeve 52 which are arranged on the sliding block 5 respectively slide with the linear guide rail 3 and the rolling screw 4 along with the operation of the rolling screw 4; the sliding block 5 drives the projector 6 arranged on the supporting plate 7 to slide, and finally the driving motor 1 is closed according to the optimal distance projected by the projector 6.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A projector adjustable in front-rear direction, comprising: a projector and a slide;

the top of the sliding block is fixedly connected with a supporting plate;

the projector is arranged at the top of the supporting plate;

2. The projector according to claim 1, wherein a limiting slide rail device is arranged at the bottom of the supporting plate;

the limiting slide rail device comprises a limiting slide groove, a slide bar and a baffle, the slide bar is connected with the limiting slide groove in a sliding mode, and the outer end of the slide bar is fixedly connected with the baffle.

3. The projector according to claim 2, wherein the number of the limiting sliding grooves is 2, and the number of the sliding bars is 4;

2 the spacing spout parallel set up side by side in backup pad bottom, 4 the draw runner sets gradually in 2 respectively from top to bottom in the spacing spout.

4. The projector as claimed in claim 2, wherein the slide bar has circular notches at equal intervals, and the support plate is sleeved with a locking post cooperating with the circular notches.

5. The projector as claimed in claim 2, wherein the number of said baffle plates is 2, and 2 of said baffle plates are respectively located at both sides of said supporting plate.

6. The projector according to claim 1, wherein ball screw supporting seats are provided at both ends of the slide base, and the ball screws are mounted to the slide base through the ball screw supporting seats.

7. The adjustable front-rear projector as claimed in claim 6, wherein the driving motor is connected to the ball screw through the ball screw support base.

8. The adjustable front-to-back projector as claimed in claim 1, wherein the projector is detachably attached to the support plate.

9. The adjustable front-rear projector as claimed in claim 1, wherein the support plate is a rectangular parallelepiped support plate.