CN217879965U - Laser projection equipment - Google Patents

Abstract

The application discloses laser projection equipment relates to electronic equipment technical field, can adjust the position of screen, with the matching of projection picture and screen position, improves user's experience. The laser projection apparatus includes: screen, fixed plate, cushion, a plurality of butt joint piece, vertical arm and base. The fixed plate is connected with the screen; a plurality of threaded holes are formed in the fixing plate and are arranged at intervals in the vertical direction; the cushion block is arranged between the fixed plate and the screen; the plurality of abutting parts and the plurality of threaded holes are arranged in a one-to-one correspondence manner; the supporting parts are all provided with external threads, one end of each supporting part extends into at least one threaded hole, is in threaded connection with the threaded hole, and supports against the cushion block; the first end of perpendicular arm is connected with the fixed plate, and the second end of perpendicular arm is connected with the base, is provided with in the base and holds the chamber, and the host computer setting is holding in the chamber.

Description

Laser projection equipment

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a laser projection equipment.

Background

Laser projection devices typically include: the host machine emits light beams to the projection screen, and the projection screen reflects the light beams to realize the display of pictures.

In order to facilitate the user to move the laser television, the host and the projection screen are integrated in the related art. Whereas in the related art, the integrated laser projection apparatus generally includes: screen, support, base and host computer. The screen is connected with the upper end of the support, the base is connected with the lower end of the support, the host is usually arranged in the base, the upper part of the base is usually provided with a light outlet, and light beams projected by the light outlet are emitted to the screen so as to display pictures on the screen.

Because the relative positions of the optical engine and the screen of different machines of the laser projection device are different greatly, the position of the host or the projection screen needs to be adjusted in the installation process. Since the screen is located above the main unit, and the main unit projects the light beam upward, the adjustment of the pitch angle of the screen is of little importance. When the pitch angle offset of the screen is large, the light beam projected by the host computer can be offset on the screen or even can not be projected on the screen.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a laser projection equipment for solve laser projection equipment's screen position and host computer projection picture positional deviation too big, lead to the problem of host computer projection picture skew.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

a laser projection device, comprising: the screen, fixed plate, cushion, a plurality of butt joint spare, vertical arm and base. The fixed plate is connected with the screen; a plurality of threaded holes are formed in the fixing plate and are arranged at intervals in the vertical direction; the cushion block is arranged between the fixed plate and the screen; the plurality of abutting parts and the plurality of threaded holes are arranged in a one-to-one correspondence manner; the supporting parts are all provided with external threads, one end of each supporting part extends into at least one threaded hole, is in threaded connection with the threaded hole, and supports against the cushion block; the first end of perpendicular arm is connected with the fixed plate, and the second end of perpendicular arm is connected with the base, is provided with in the base and holds the chamber, and the host computer setting is holding in the chamber.

The laser projection device of the embodiment of the application comprises: the screen, fixed plate, cushion, a plurality of butt pieces, perpendicular arm and base, wherein, this fixed plate is connected with the screen, and the first end and the fixed plate of perpendicular arm are connected, and the second end and the base of perpendicular arm are connected. The vertical arm is used for supporting a screen, and a host computer of the laser projection equipment can be arranged in the base. In addition, a plurality of threaded holes are formed in the fixing plate and are arranged at intervals in the vertical direction, the cushion block is arranged between the fixing plate and the screen, and the plurality of abutting pieces are arranged in one-to-one correspondence with the plurality of threaded holes. Namely, any threaded hole is provided with an abutting part corresponding to the threaded hole. In addition, the butt connection pieces are provided with external threads, one end of each butt connection piece extends into the threaded hole, is in threaded connection with the threaded hole and abuts against the cushion block. For example, when the fixing plate is provided with two threaded holes (a first threaded hole located above and a second threaded hole located below), the two threaded holes are spaced apart from each other in the vertical direction. When the length of the first abutting piece extending into the first threaded hole is larger than the length of the second abutting piece extending into the second threaded hole, the first abutting piece acts on the screen, so that the screen is inclined, and the pitching angle of the screen is adjusted.

So, through adjusting the length that a plurality of butt parts stretched into in the screw hole to make the screen slope, thereby the angle of pitch of adjustment screen, with the position offset of regulation screen, make laser projection equipment's screen position and host computer projection picture's position match, thereby improve user's experience.

In some embodiments, the fixing plate is provided with four threaded holes, and the four threaded holes are arranged on the fixing plate in a matrix manner; the four abutting parts are in one-to-one corresponding threaded connection with the four threaded holes.

In some embodiments, a plurality of mounting holes are arranged at intervals in the vertical direction of the screen; the fixed plate is relatively provided with a first sliding chute, and the extending direction of the first sliding chute is the same as the arrangement direction of the mounting holes; the laser projection apparatus further includes: the first fastening piece can move along the extending direction of the first sliding chute; one end of the fastener is connected with the mounting hole through the first sliding groove.

In some embodiments, the laser projection device further comprises: the first adjusting plate is provided with a second sliding chute, the second sliding chute extends along a first horizontal direction, and the first horizontal direction is the long side direction of the screen; the second fastening piece can move along the extending direction of the second sliding chute; one end of the second fastener connects the first adjusting plate with the fixed plate through the second chute; the first end of the vertical arm is connected with the first adjusting plate.

In some embodiments, the laser projection device further comprises: the second adjusting plate is provided with a plurality of third sliding chutes which are oppositely arranged in an arc shape, and the circle centers of the plurality of arc-shaped third sliding chutes are overlapped; the first end of the vertical arm is connected with the second adjusting plate; the third fastener can move along the extension direction of the third sliding chute, and one end of the third fastener connects the first adjusting plate with the second adjusting plate through the third sliding chute.

In some embodiments, the first adjustment plate, the second adjustment plate, the fixing plate, and the screen are arranged in a second horizontal direction perpendicular to the first horizontal direction and the vertical direction.

In some embodiments, the laser projection device further comprises: the frame body and the second adjusting plate are arranged along the second horizontal direction, the second adjusting plate is nested in the frame body, a fourth sliding groove is formed in the circumferential wall surface of the frame body, the fourth sliding groove extends along the second horizontal direction, and the first end of the vertical arm is connected with the frame body; the fourth fastener can move along the extending direction of the fourth sliding chute, and one end of the third fastener connects the frame body with the second adjusting plate through the fourth sliding chute.

In some embodiments, the vertical arm comprises: the connecting plate, the support arm of being connected with the connecting plate, the connecting plate setting is between support arm and framework, and laser projection equipment still includes: and the fifth fastener is used for connecting the connecting plate with the frame body.

In some embodiments, a plurality of fifth sliding chutes are arranged on the connecting plate, the plurality of fifth sliding chutes are arranged in an arc shape and opposite to each other, and the centers of the plurality of arc-shaped fifth sliding chutes coincide; the fifth fastener can move along the extending direction of the fifth sliding groove, and one end of the fifth fastener connects the connecting plate with the frame body through the fifth sliding groove.

In some embodiments, the fifth fastener comprises: the sliding block is matched with the fifth sliding groove and can slide in the fifth sliding groove, and the screw penetrates through the sliding block to connect the connecting plate with the frame body.

Drawings

Fig. 1 is a schematic structural diagram of a laser projection apparatus according to an embodiment of the present application;

fig. 2 is a second schematic structural diagram of a laser projection apparatus according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a fixing plate according to an embodiment of the present disclosure;

fig. 4 is a front view of a fixing plate according to an embodiment of the present disclosure;

fig. 5 is an exploded view of a fixing plate and a screen according to an embodiment of the present disclosure;

fig. 6 is a cross-sectional view of a fixing plate connected to a screen according to an embodiment of the present disclosure;

fig. 7 is a second cross-sectional view of a fixing plate connected to a screen according to an embodiment of the present application;

fig. 8 is a front view of a screen connected to a fixing plate according to an embodiment of the present disclosure;

FIG. 9 is a front view of a fixing plate coupled to a first adjustment plate according to an embodiment of the present disclosure;

FIG. 10 is a front view of a second adjustment plate coupled to a first adjustment plate according to an embodiment of the present disclosure;

fig. 11 is a schematic structural diagram of a connection between a frame and a second adjustment plate according to an embodiment of the present disclosure;

FIG. 12 is a schematic view of a connection structure between a frame and a vertical arm according to an embodiment of the present disclosure;

fig. 13 is a schematic structural view of a fifth fastening component according to an embodiment of the present disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description 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, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or overhanging, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

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

Fig. 1 and fig. 2 show structural schematic diagrams of a laser projection apparatus provided in an embodiment of the present application, where fig. 1 and fig. 2 are schematic structural schematic diagrams of a three-dimensional structure of the laser projection apparatus at different viewing angles, and the laser projection apparatus 100 can adjust a position of a screen 10, match a projection picture with the position of the screen 10, and improve user experience.

As shown in fig. 1 and 2, the laser projection apparatus 100 includes: a screen 10, a fixed plate 20, a spacer 30 (not shown in fig. 1 and 2), a plurality of abutments 40 (not shown in fig. 1 and 2), a riser arm 50 and a base 60.

The screen 10 is used for displaying a picture projected by a host of the laser projection apparatus 100. The present application does not limit the material, size, etc. of the screen 10, and can be set as desired.

Fig. 3 shows a perspective structure diagram of a fixing plate provided in an embodiment of the present application. The fixing plate 20 is connected to the screen 10. It is understood that the wall surface of the screen 10 connected to the fixing plate 20 is a backlight surface of the screen 10. The connection of the fixing plate 20 to the screen 10 may be a detachable fixed connection, for example, a screw connection, a pin connection, or the like. The application does not limit the connection of the fixing plate and the screen. As shown in fig. 3, the fixing plate 20 has a plurality of first screw holes 21, and the plurality of first screw holes 21 are spaced apart from each other in the vertical direction (i.e., the Y-axis direction shown in fig. 3).

The plurality of first threaded holes 21 refers to two or more first threaded holes 21, that is, the number of the first threaded holes 21 may be 2, 3, 4, 5, and the like, which is not limited in the present application.

Exemplarily, fig. 4 shows a front view of the fixing plate provided in the embodiment of the present application, and as shown in fig. 4, two sets of first threaded holes 21 are provided on the fixing plate 20, each set of first threaded holes 21 includes two first threaded holes 21, each set of first threaded holes 21 is provided at an interval along the vertical direction, and the two sets of first threaded holes 21 are oppositely provided on two sides of the fixing plate 20.

Alternatively, the plurality of first threaded holes 21 are uniformly spaced apart in the vertical direction. For example, if a group of first threaded holes 21 is provided in the fixing plate 20, the group of first threaded holes 21 has three first threaded holes 21, and the three first threaded holes 21 are uniformly spaced apart in the vertical direction, the distance between the middle first threaded hole 21 and the two adjacent first threaded holes 21 is equal.

Optionally, the plurality of first threaded holes 21 are unevenly spaced in the vertical direction, and for example, a group of first threaded holes 21 is provided on the fixing plate 20, and the group of first threaded holes 21 also includes: three first threaded holes 21, the distance between the middle first threaded hole 21 and two adjacent first threaded holes 21 is different.

Fig. 5 is a schematic view illustrating an exploded structure of a fixing plate and a screen according to an embodiment of the present application, and as shown in fig. 5, a spacer 30 is disposed between the fixing plate 20 and the screen 10, and a plurality of abutting members 40 are disposed in one-to-one correspondence with a plurality of first threaded holes 21; the abutting pieces 40 are provided with external threads, one end of each abutting piece 40 extends into the first threaded hole 21, is in threaded connection with the first threaded hole 21, and abuts against the cushion block 30.

Wherein the pad 30 is used for bearing the abutting force of the abutting piece 40 so as to prevent the abutting piece 40 from directly acting on the screen 10. Illustratively, the pad 30 may be a self-lubricating POM liner.

In a possible implementation manner, the spacer 30 may be one, for example, the one spacer 30 is disposed between the fixing plate 20 and the screen 10, and the plurality of abutting members 40 extend into the plurality of first threaded holes 21 and then abut against the one spacer 30.

In a possible implementation manner, the spacer 30 may also be multiple, for example, as shown in fig. 5, one spacer 30 is disposed between any one of the first threaded holes 21 and the screen 10, that is, the multiple spacers 30 are disposed in one-to-one correspondence with the multiple first threaded holes 21, and the multiple abutting pieces 40 abut against the multiple spacers 30 in one-to-one correspondence.

Fig. 6 and 7 show a cross-sectional view of the connection of the fixing plate and the screen provided by the embodiment of the application, wherein fig. 6 is a cross-sectional view of a plurality of abutments extending into the first threaded hole 21 for the same length, and fig. 7 is a cross-sectional view of a plurality of abutments extending into the first threaded hole 21 for different lengths. It will be appreciated that the screen may remain vertically disposed when the length of the plurality of abutments 40 extending into the first threaded bore 21 is the same, as shown in figure 6. As shown in fig. 7, when the length of the plurality of abutments 40 extending into the first screw hole 21 is different, the screen 10 is tilted by the abutments 40, so that the pitch angle of the screen 10 (i.e., the tilt angle in the X-axis direction shown in fig. 1) is adjusted.

However, if the fixing plate 20 and the screen 10 are fixed by screw connection, the screen 10 is restricted by the screw when it is tilted by the abutting member 40, so that the screen 10 cannot be tilted. Therefore, alternatively, the length of the abutting member 40 extending into the first threaded hole 21 may be adjusted (i.e., the pitch angle of the screen 10 is adjusted), and then the fixing plate 20 may be fastened to the screen 10 by screws. Alternatively, when the offset of the screen 10 is not large, the fixing plate 20 may be slightly connected to the screen 10 by a screw, the length of the abutting part 40 extending into the first threaded hole 21 is finely adjusted to slightly incline the screen 10, and then the fixing plate 20 is fastened to the screen 10 by continuing to rotate the screw.

Further, a first end of the vertical arm 50 is connected to the fixing plate 20, and a second end of the vertical arm 50 is connected to the base 60. The vertical arm 50 is used to support the screen 10. The host computer of the projection equipment can be arranged on the base 60, the accommodating cavity can be arranged in the base 60, the host computer of the projection equipment 100 is arranged in the shell, the base 60 can be further provided with a through hole facing the screen 10, the through hole is communicated with the accommodating cavity, and the light emitting part of the host computer is arranged at the through hole and used for emitting light beams to the screen 10 so as to enable the screen 10 to display pictures. The length and shape of the vertical arm 50 are not limited in the present application and can be set according to the circumstances.

Alternatively, the vertical arm 50 may be fixedly connected to the base 60 by a detachable connection, such as a threaded connection, a pinned connection, or the like.

Alternatively, the connection between the vertical arm 50 and the base 60 may be a non-detachable fixed connection, such as welding, gluing, etc.

Alternatively, the vertical arm 50 and the base 60 may be formed as a single structure, for example, by injection molding or bending through a bending process. The connection of the vertical arm 50 to the base 60 is not particularly limited in this application.

The laser projection apparatus 100 of the embodiment of the present application includes: the screen comprises a screen 10, a fixing plate 20, a cushion block 30, a plurality of abutting parts 40, a vertical arm 50 and a base 60, wherein the fixing plate 20 is connected with the screen 10, a first end of the vertical arm 50 is connected with the fixing plate 20, and a second end of the vertical arm 50 is connected with the base 60. The vertical arm 50 is used to support the screen 10, and the main body of the laser projection apparatus 100 may be disposed in the base 60. In addition, a plurality of first threaded holes 21 are formed in the fixing plate 20, the plurality of first threaded holes 21 are arranged at intervals in the vertical direction, the cushion block 30 is arranged between the fixing plate 20 and the screen 10, and the plurality of abutting pieces 40 are arranged in one-to-one correspondence with the plurality of first threaded holes 21. That is, any one of the first threaded holes 21 is provided with the corresponding abutment member 40. In addition, the abutting pieces 40 are all provided with external threads, one end of each abutting piece 40 extends into the first threaded hole 21, is in threaded connection with the first threaded hole 21, and abuts against the cushion block 30. For example, when the fixing plate 20 is provided with two first threaded holes 21 (a first threaded hole located above and a second threaded hole located below), the two first threaded holes 21 are spaced apart from each other in the vertical direction. As shown in fig. 8, when the length of the first abutting piece 40 extending into the first threaded hole is longer than the length of the second abutting piece 40 extending into the second threaded hole, the first abutting piece 40 acts on the screen 10 to tilt the screen 10, thereby adjusting the pitch angle of the screen 10.

In this way, by adjusting the length of the plurality of contact pieces 40 that protrude into the screw holes to tilt the screen 10, the tilt angle of the screen 10 is adjusted to adjust the inclination of the screen 10 in the first horizontal direction (i.e., the X-axis direction in fig. 1) that is the longitudinal direction of the screen. Therefore, the position of the screen 10 of the laser projection device 100 is matched with the position of the projection picture of the host, and the experience effect of the user is improved.

In order to improve the stability of the screen 10 when the screen is inclined, in some embodiments, as shown in fig. 4, four first threaded holes 21 are formed in the fixing plate 20, the four first threaded holes 21 are divided into two groups, each group has two first threaded holes 21, the two first threaded holes 21 are arranged at intervals in the vertical direction, and the two groups of first threaded holes 21 are arranged at intervals in the first horizontal direction. Four first screw holes 21 are arrayed in the fixed plate 20.

In addition, four abutments 40 are also provided, and the four abutments 40 are screwed with the four screw holes in one-to-one correspondence.

Therefore, the four abutting pieces 40 are arranged in an array and abutted on the cushion block 30, so that the inclination of the screen 10 in the first horizontal direction and the vertical direction can be adjusted through the matching of the four abutting pieces 40, the screen 10 can be adjusted in two degrees of freedom, and the matching degree of the projection picture and the position of the screen 10 can be further improved.

Fig. 8 shows a front view of a screen provided in an embodiment of the present application, and in some embodiments, as shown in fig. 8, a plurality of mounting holes 11 are arranged at intervals in a vertical direction of the screen 10. As shown in fig. 9, a first sliding slot 22 is oppositely disposed on the fixing plate 20, and the extending direction of the first sliding slot 22 is the same as the arrangement direction of the mounting holes 11, the laser projection apparatus 100 further includes: a first fastening member 23, the first fastening member 23 being movable in an extending direction of the first sliding chute 22; one end of the first fastening member 23 is connected to the mounting hole 11 through the first sliding slot 22. Wherein the first fastening member 23 may include: pins, screws, etc., which are not limited in this application. In the embodiment of the present application, the first fastening member 23 is taken as an example and explained.

According to the embodiment of the application, the first fastening piece 23 penetrates through the first sliding groove 22 to be connected with the mounting hole 11 on the screen 10, and the first fastening piece 23 can move along the extending direction of the first sliding groove 22, so that when the position of the screen 10 in the vertical direction needs to be adjusted, the first fastening piece 23 can be loosened, a gap is generated between the fixing plate 20 and the screen 10, then the screen 10 is pushed to move in the vertical direction, after the position of the screen 10 is matched with the position of a projection picture of a host, the first fastening piece 23 is screwed, and the fixing plate 20 and the screen 10 are connected and fastened. In this manner, the translational adjustment of the screen 10 in the vertical direction is completed. In this way, the laser projection apparatus 100 provided in the embodiment of the present application can also adjust the position of the screen 10 in the vertical direction, and the laser projection apparatus 100 can implement three-degree-of-freedom adjustment of the screen 10.

For example, as shown in fig. 9, two first sliding grooves may be provided, and the two first sliding grooves are respectively provided at both sides of the fixing plate in the first horizontal direction. All be provided with first fastener in two first spouts, so, fixed plate 20 is higher with screen 10 joint strength.

In other embodiments, as shown in fig. 9, the laser projection apparatus 100 further comprises: the first adjusting plate 70 is provided with a second sliding slot 72, and the second sliding slot 72 extends along a first horizontal direction. The second fastening member 71 is movable in an extending direction of the second slide groove 72, and one end of the second fastening member 71 connects the first adjustment plate 70 with the fixed plate 20 through the second slide groove 72.

In this way, when the position of the screen 10 in the vertical direction needs to be adjusted, the second fastening member 71 may be loosened to generate a gap between the fixing plate 20 and the first adjusting plate 70, and then the screen 10 may be pushed to move in the first horizontal direction, and after the position of the screen 10 matches the position of the projection picture of the host, the second fastening member 71 may be tightened, so that the position adjustment of the screen 10 in the first horizontal direction is completed. In this way, the laser projection apparatus 100 provided in the embodiment of the present application may further adjust the position of the screen 10 in the first horizontal direction, and the laser projection apparatus 100 may implement four-degree-of-freedom adjustment of the screen 10.

For example, as shown in fig. 9, four second sliding grooves 72 may be provided, and the four second sliding grooves 72 are respectively located around the first adjusting plate 70, so that the connection strength between the first adjusting plate 70 and the fixing plate 20 can be improved.

It is understood that, when the laser projection apparatus 100 is further provided with the first adjustment plate 70, if the four-degree-of-freedom adjustment of the screen 10 is required, the first end of the vertical arm 50 is connected to the first adjustment plate 70, and the first end of the vertical arm 50 is indirectly connected to the fixed plate 20.

FIG. 10 illustrates a front view of the second adjusting plate coupled to the first adjusting plate according to an embodiment of the present application. To further improve the multiple degree of freedom adjustment of the screen 10, in some embodiments, as shown in fig. 10, the laser projection device 100 further comprises: a second adjustment plate 80 and a third fastener 81. Wherein, a plurality of third sliding chutes 82 are arranged on the second adjusting plate 80. The plurality of third sliding chutes 82 are oppositely arranged in an arc shape, and the centers of the plurality of arc-shaped third sliding chutes 82 coincide with each other.

The plurality of arc-shaped sliding grooves may be two, three, four, or the like as shown in fig. 10, which is not limited in the present application.

The third fastening member 81 is movable in the extending direction of the third slide groove 82, and one end of the third fastening member 81 connects the first adjustment plate 70 and the second adjustment plate 80 via the third slide groove 82. Thus, when the screen needs to be rotated around the second horizontal direction, the third fastening member 81 can be loosened to generate a gap between the second adjusting plate 80 and the first adjusting plate 70, then the screen 10 is rotated around the second horizontal direction, and after the position of the screen 10 matches the position of the projected image of the host, the third fastening member 81 is tightened, so that the rotation angle adjustment of the screen 10 around the second horizontal direction is completed. In this way, the laser projection apparatus 100 provided by the embodiment of the present application can also adjust the inclination of the screen 10 in the second horizontal direction, and the laser projection apparatus 100 can implement five-degree-of-freedom adjustment of the screen 10.

Also, it is understood that when the laser projection apparatus 100 is further provided with the second adjustment plate 80, if the five-degree-of-freedom adjustment of the screen 10 is required, the first end of the vertical arm 50 is connected to the second adjustment plate 80, and the first end of the vertical arm 50 is indirectly connected to both the fixed plate 20 and the first adjustment plate 70.

Wherein, alternatively, the first adjusting plate 70, the second adjusting plate 80, the fixed plate 20 and the screen 10 may be arranged in the second horizontal direction. Therefore, the screen 10 has an initial reference, the initial reference is that the first adjusting plate 70, the second adjusting plate 80, the fixing plate 20 and the screen 10 can be linearly arranged along the second horizontal direction, when the position of the screen 10 needs to be restored to the initial reference, the operation of a user is simple and convenient, in addition, the edges and corners of the first adjusting plate 70, the second adjusting plate 80 and the fixing plate 20 can be right angles, and the processing and the installation of the first adjusting plate 70, the second adjusting plate 80 and the fixing plate 20 are all convenient.

Alternatively, the arrangement direction of the first adjusting plate 70, the second adjusting plate 80, the fixing plate 20 and the screen 10 may also form an acute angle with the second horizontal direction.

Fig. 11 is a schematic structural diagram illustrating a connection between a frame and a second adjustment plate according to an embodiment of the present disclosure, and in some embodiments, as shown in fig. 11, the laser projection apparatus 100 further includes: a frame 90 and a fourth fastener 91. The frame body 90 and the second adjusting plate 80 are arranged along the second horizontal direction, the second adjusting plate 80 is nested in the frame body 90, a fourth sliding groove 92 is formed in the circumferential wall surface of the frame body 90, and the fourth sliding groove 92 extends along the second horizontal direction. The fourth fastening member 91 is movable in the extending direction of the fourth slide groove 92, and one end of the fourth fastening member 91 connects the frame body 90 and the second adjustment plate 80 via the fourth slide groove 92.

That is, the frame 90 and the second adjusting plate 80 are also matched with each other through the sliding groove and the fastening member, so that the laser projection apparatus 100 can also adjust the position of the screen 10 in the second horizontal direction, and the laser projection apparatus 100 can realize six-degree-of-freedom adjustment of the screen 10. The present application does not describe the position adjustment of the screen 10 in the second horizontal direction, and may refer to the inclination adjustment of the screen 10 in the second horizontal direction, the position adjustment of the screen 10 in the first horizontal direction, and the like described above.

Illustratively, as shown in fig. 11, three fourth sliding grooves 92 are opened on the circumferential wall surface of the frame body 90, and fourth fastening members 91 are disposed in each of the three fourth sliding grooves 92. In this way, the strength of connection between the frame 90 and the second adjustment plate 80 can be increased.

Similarly, when the laser projection apparatus 100 is further provided with the frame 90, if the six-degree-of-freedom adjustment of the screen 10 is required, the first end of the vertical arm 50 needs to be connected to the frame 90, and the first end of the vertical arm 50 is indirectly connected to the fixing plate 20, the first adjusting plate 70 and the second adjusting plate 80.

Fig. 12 shows a schematic connection structure of the frame body and the vertical arm provided by the embodiment of the application. Since the vertical arm 50 needs to be connected to the frame 90, in order to improve the connection strength between the vertical arm 50 and the frame 90, in some embodiments, as shown in fig. 12, the vertical arm 50 includes: a connecting plate 51, and a support arm 52 connected to the connecting plate 51, wherein the connecting plate 51 is disposed between the vertical arm 50 and the frame 90.

As shown in fig. 12, the connecting plate 51 is attached to the bottom of the frame 90, and the contact area between the connecting plate 51 and the frame 90 is larger than the contact area when the support arm 52 is directly connected to the frame 90, so that the connection strength between the vertical arm 50 and the frame 90 can be improved.

The connecting plate 51 and the supporting arm 52 may be a one-piece structure, and may be formed by injection molding. This connecting plate 51 and support arm 52 can also detachable fixed connection, and this connecting plate 51 and support arm 52 can also be for not detachable fixed connection, and this application is no longer repeated to this one by one.

In other embodiments, as shown in fig. 12, the connecting plate 51 is further provided with fifth sliding grooves 53, the fifth sliding grooves 53 are oppositely arranged in an arc shape, and the centers of the arc-shaped fifth sliding grooves 53 are overlapped.

Therefore, when the screen 10 needs to rotate around the vertical direction, the fifth fastening piece 54 can be loosened, then the frame body 90 is rotated around the vertical direction, and after the position of the screen 10 is matched with the position of the projection picture of the host computer, the fifth fastening piece 54 is screwed, so that the rotation angle adjustment of the screen 10 around the vertical direction is completed.

Fig. 13 shows a schematic structural diagram of a fifth fastening member provided in the embodiment of the present application, where the fifth fastening member 54 is used to connect the frame body 90 with the vertical arm 50 through the fifth sliding slot 53, and in some embodiments, as shown in fig. 13, the fifth fastening member 54 may include: a screw 541 and a slider 542, the slider 542 may include: the first cylinder 5421 and the second cylinder 5422 are coaxially arranged and connected, the length of the inner diameter of the first cylinder 5421 is larger than that of the second cylinder 5422, through holes 5423 are formed in the shafts of the first cylinder 5421 and the second cylinder 5422, the inner diameter of the second cylinder 5422 is matched with the length of the fifth sliding groove 53 in the first horizontal direction, the first cylinder 5421 is in contact with the circumferential wall surface of the frame body 90, and the screw 541 penetrates through the through hole 5423 to connect the frame body 90 and the vertical arm 50. Thus, when the frame 90 is rotated in the vertical direction, the fifth fastening member 54 can smoothly slide in the fifth chute 53, and the fifth fastening member is prevented from falling into the chute.

Similarly, the structures of the first fastener 23, the second fastener 71, the third fastener 81 and the fourth fastener 91 can be the same as the fifth fastener 54, and the description thereof is omitted here.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A laser projection device, comprising:

a screen;

the fixed plate is connected with the screen; a plurality of threaded holes are formed in the fixing plate and are arranged at intervals in the vertical direction;

the cushion block is arranged between the fixed plate and the screen;

the abutting parts are arranged in one-to-one correspondence with the threaded holes; the supporting parts are provided with external threads, one end of each supporting part extends into the threaded hole, is in threaded connection with the threaded hole and supports against the cushion block;

the first end of the vertical arm is connected with the fixing plate, the second end of the vertical arm is connected with the base, an accommodating cavity is formed in the base, and the host is arranged in the accommodating cavity.

2. The laser projection device as claimed in claim 1, wherein the fixing plate is provided with four threaded holes, and the four threaded holes are arranged in a matrix on the fixing plate; the abutting parts are four, and the four abutting parts are in one-to-one corresponding threaded connection with the four threaded holes.

3. The laser projection device of claim 1, wherein a plurality of mounting holes are arranged at intervals in a vertical direction of the screen; the fixed plate is relatively provided with a first sliding chute, and the extending direction of the first sliding chute is the same as the arrangement direction of the mounting holes;

the laser projection apparatus further includes: a first fastening member movable in an extending direction of the first chute; one end of the fastener is connected with the mounting hole through the first sliding groove.

4. The laser projection device of claim 1, further comprising:

the first adjusting plate is provided with a second sliding groove, the second sliding groove extends along a first horizontal direction, and the first horizontal direction is the long edge direction of the screen;

a second fastening member movable in an extending direction of the second chute; one end of the second fastening piece connects the first adjusting plate with the fixing plate through the second sliding groove; the first end of the vertical arm is connected with the first adjusting plate.

5. The laser projection device of claim 4, further comprising:

the second adjusting plate is provided with a plurality of third sliding chutes, the third sliding chutes are oppositely arranged in an arc shape, and the centers of the third sliding chutes in the arc shape are overlapped;

and the third fastening piece can move along the extension direction of the third sliding chute, and one end of the third fastening piece connects the first adjusting plate and the second adjusting plate through the third sliding chute.

6. The laser projection apparatus of claim 5, wherein the first adjustment plate, the second adjustment plate, the fixing plate, and the screen are arranged in a second horizontal direction that is perpendicular to the first horizontal direction and the vertical direction.

7. The laser projection device of claim 6, further comprising:

the frame body and the second adjusting plate are arranged along the second horizontal direction, the second adjusting plate is nested in the frame body, a fourth sliding groove is formed in the circumferential wall surface of the frame body, the fourth sliding groove extends along the second horizontal direction, and the first end of the vertical arm is connected with the frame body;

and the fourth fastening piece can move along the extending direction of the fourth sliding chute, and one end of the third fastening piece connects the frame body and the second adjusting plate through the fourth sliding chute.

8. The laser projection device of claim 7, wherein the vertical arm comprises: the connecting plate, with the support arm that the connecting plate is connected, the connecting plate sets up the support arm with between the framework, laser projection equipment still includes:

a fifth fastener connecting the connecting plate with the frame.

9. The laser projection device according to claim 8, wherein a plurality of fifth sliding grooves are arranged on the connecting plate, the plurality of fifth sliding grooves are oppositely arranged in a circular arc shape, and the centers of the plurality of circular arc-shaped fifth sliding grooves coincide;

the fifth fastening piece can move along the extending direction of the fifth sliding groove, and one end of the fifth fastening piece connects the connecting plate with the frame body through the fifth sliding groove.

10. The laser projection device of claim 9, wherein the fifth fastener comprises: the sliding block is matched with the fifth sliding groove and can slide in the fifth sliding groove, and the screw penetrates through the sliding block to connect the connecting plate with the frame body.

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