CN217634819U - Laser projection system - Google Patents

Abstract

The application discloses laser projection system belongs to the projection display field. The laser projection system includes: laser projection equipment, a plurality of truckles and first locating part. The marking of the positions of the two trundles can be realized through the first limiting grooves in the two first limiting parts. Therefore, when the laser projection equipment is touched to shift in the using process or the support table needs to be cleaned to shift the laser projection equipment, the laser projection equipment needs to be reset again after the cleaning is finished. The groove surfaces of the first limiting grooves in the two first limiting parts are used for positioning the two trundles respectively, namely the two trundles are assembled with the first limiting grooves in the two first limiting parts respectively, and the rapid resetting of the laser projection equipment can be realized without gradually debugging the picture. Therefore, the resetting process of the laser projection equipment is effectively simplified, and the resetting precision is ensured.

Description

Laser projection system

Technical Field

The application relates to the field of projection display, in particular to a laser projection system.

Background

With the continuous development of science and technology, laser projection systems are increasingly applied to the work and life of people. The laser projection system mainly comprises: laser projection equipment, projection screen and support platform. The light outlet of the laser projection device faces the projection screen to emit light beams to the projection screen, and the projection screen is used for receiving the light beams to realize image display. The support table is used for supporting the laser projection device, and the support table may be a cabinet body such as a television cabinet or a locker.

As laser projection devices become lighter and lighter, the risk of displacement of the laser projection devices due to touching during use becomes greater and greater. In addition, when cleaning the supporting table, the laser projection apparatus needs to be removed from the supporting table, and after the cleaning is completed, the laser projection apparatus needs to be accurately placed back to the original position. And the slight position change of the laser projection equipment can cause large-scale deviation of a displayed picture, and the viewing experience is influenced.

However, currently, only the user is relied on to perform debugging reset of the laser projection device according to the picture displayed on the projection screen, which results in a complex reset process and low precision.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a laser projection system. The problem that the resetting process of laser projection equipment in the prior art is complex can be solved, the technical scheme is as follows:

in one aspect, a laser projection system is provided, comprising:

a laser projection device having a plurality of casters;

the supporting table is used for contacting the plurality of casters with the supporting table after the laser projection equipment is placed on the supporting table;

fix two at least first locating parts on the brace table, every first locating part has first spacing groove and handle spare, handle spare is located one side that deviates from in the first locating part first spacing groove, two at least first locating parts with two at least truckle one-to-one in a plurality of truckles, every at least part in the groove face of first spacing groove in the first locating part and the side butt of the truckle that corresponds.

The beneficial effects that technical scheme that this application embodiment brought include at least:

a laser projection system, comprising: laser projection equipment, a plurality of truckles and first locating part. Through the handle spare on every first locating part, the user of being convenient for adjusts the position of first locating part, can effectual reduction first locating part and the installation degree of difficulty between the truckle, has promoted user's use and has experienced the sense. In addition, the marking of the positions of the two caster wheels can be realized through the first limiting grooves in the two first limiting parts. Therefore, when the laser projection equipment is touched to shift in the using process or the support table needs to be cleaned to shift the laser projection equipment, the laser projection equipment needs to be reset again after the cleaning is finished. Can fix a position two truckles respectively through the groove face of the first spacing groove in two first locating parts, only need promptly with two truckles respectively with two first spacing groove assembly in the first locating part can, need not to progressively carry out the picture debugging again and can realize resetting fast to laser projection equipment. Therefore, the resetting process of the laser projection equipment is effectively simplified, and the resetting precision is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an exploded schematic view of a laser projection system provided by an embodiment of the present application;

fig. 2 is a schematic structural diagram of a first limiting member according to an embodiment of the present disclosure;

FIG. 3 is an illustration of an effect of positioning a laser projection apparatus by a first position-limiting member;

fig. 4 is a schematic connection diagram of a first limiting member and a first adhesive layer according to an embodiment of the present disclosure;

fig. 5 is a top view of a first limiting member according to an embodiment of the present disclosure;

fig. 6 is a schematic positional relationship between a first limiting member and a caster according to an embodiment of the present disclosure;

fig. 7 is a schematic view illustrating a positional relationship between a first limiting member and a caster according to an embodiment of the present application;

fig. 8 is an exploded view of another first limiting member and a caster according to an embodiment of the present disclosure;

fig. 9 is a top view of another first limiting element according to an embodiment of the present disclosure;

FIG. 10 is a schematic diagram of an alternative laser projection system according to an embodiment of the present disclosure;

FIG. 11 is a bottom view of the laser projection system shown in FIG. 10;

fig. 12 is a schematic structural diagram of a second limiting member according to an embodiment of the present disclosure;

fig. 13 is a schematic connection diagram of a second limiting member and a second adhesive layer according to an embodiment of the disclosure;

fig. 14 is a schematic diagram illustrating a positional relationship between a second position-limiting member and a supporting post according to an embodiment of the present disclosure;

fig. 15 is a schematic positional relationship between a second position-limiting member and a supporting post according to an embodiment of the present disclosure;

fig. 16 is a schematic positional relationship between a second limiting member and a supporting post according to an embodiment of the present disclosure;

fig. 17 is a schematic structural diagram of a second limiting member according to an embodiment of the present disclosure;

fig. 18 is a schematic position diagram of another second limiting member and a supporting column according to an embodiment of the present disclosure.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is an exploded schematic view of a laser projection system according to an embodiment of the present disclosure. The laser projection system 000 may include: laser projection apparatus 100, support 200, and first stopper 300.

The laser projection apparatus 100 in the laser projection system 000 may have a plurality of casters 101, and the laser projection apparatus 100 may be used to emit a light beam.

A plurality of casters 101 in laser-projecting device 100 may be coupled to laser-projecting device 100, and after laser-projecting device 100 is placed on support 200, the plurality of casters 101 may be in contact with the support. Illustratively, when the laser projection apparatus 100 is integrated into the laser projection system 000, the support table 200 of the laser projection system 000 can support the casters 101, so that the laser projection apparatus 100 is stably supported on the support table 200 by the casters 101. The supporting platform 200 may be a tv cabinet, and the plurality of casters 101 may support the laser projection apparatus 100 on a surface of the tv cabinet. The support table may have another structure as long as it can support the laser projection apparatus 100. It should be noted that, for the structure of the supporting table 200, the following embodiments may be referred to.

To clearly see the structure of the first limiting member 300, please refer to fig. 2, and fig. 2 is a schematic structural diagram of the first limiting member according to an embodiment of the present disclosure. The bottom surfaces of at least two first stoppers 300 in the laser projection system 000 may be used to be fixed to the supporting stage 200. Each first limiting member 300 may have a first limiting groove 301 and a handle member 302. The handle member 302 may be located on a side of the first limiting member 300 away from the first limiting groove 301. The at least two first limiting members 300 correspond to at least two casters 101 of the plurality of casters 101 one to one. And at least a part of the groove surface A1 of the first limiting groove 301 in each first limiting member 300 can abut against the side surface of the corresponding caster 101.

In this application, the laser projection apparatus 100 generally has four corners, the number of the casters 101 in the laser projection apparatus 100 may be two, the number of the corresponding first limiting members 300 is two, the two casters 101 may be respectively located at two corners of the laser projection apparatus 100 away from the light beam projection direction, and the other two corners are generally supported by foot pads. In other possible implementations, the number of the casters 101 in the laser projection apparatus 100 may be four, and the four casters 101 may be located at four corners of the laser projection apparatus 100, respectively. The number of the first limiting members may be two, and the caster 101 respectively abutted to the first limiting groove 301 of the two first limiting members 300 may be any two of the four casters 101. For example, the two casters 101 may be two casters close to the beam projecting direction, i.e., two casters close to the projection screen in the laser projection system; alternatively, the two casters 101 may be two casters away from the light beam projection direction, i.e., two casters away from the projection screen in the laser projection system; alternatively, the two casters 101 may be two casters located on a diagonal of the laser projection apparatus 100, which is not specifically limited by the embodiment of the present application. It should be noted that, when the number of the caster 101 is four, the number of the first limiting members may also be three or four, and this is not specifically limited in the embodiment of the present application. In the following embodiments, the number of the first position-limiting members 300 is two, and the number of the casters 101 is two.

For example, when commissioning the laser projection apparatus 100, first, the user may adjust the position of the laser projection apparatus on the support table according to the position of the picture projected on the projection screen by the laser projection apparatus 100, after the laser projection apparatus 100 is adjusted to the optimal position. Then, a user can hold the handle 302 on the first limiting member 300 to adjust the positions of the first limiting member 300 and the casters 101, so that the two casters 101 are respectively located in the first limiting grooves 301 of the first limiting member 300. And the groove surface A1 of each first stopper groove 301 is brought into contact with the side surface of the corresponding caster 101. Finally, the first position-limiting member 300 is fixed on the table top of the supporting table 200. Thus, through the handle 302 on the first limiting member 300, the user can conveniently adjust the position of the first limiting member 300, the assembly difficulty between the first limiting member 300 and the caster 101 can be effectively reduced, and the use experience of the user is improved.

In an embodiment of the present application, please refer to fig. 3, where fig. 3 is an effect diagram of positioning a laser projection apparatus by a first position-limiting member. The marking of the positions of the two casters 101 can be realized by the first limiting grooves 301 in the two first limiting members 300. In this way, when the laser projection apparatus 100 is touched to be displaced during use or the cleaning support 200 requires the laser projection apparatus 100 to be displaced, the laser projection apparatus 100 needs to be reset again after the cleaning is completed. Can fix a position two truckles 101 respectively through the groove face A1 of the first spacing groove 301 in two first locating parts 300, only need promptly with two truckles 101 respectively with two first spacing groove 301 in the first locating part 300 assembly can, need not to carry out the picture debugging gradually again and can realize the quick reset to laser projection equipment 100. Thus, the resetting process of the laser projection device 100 is effectively simplified and the resetting precision is ensured.

In summary, the embodiment of the present application provides a laser projection system, which may include: laser projection equipment, a plurality of truckles and first locating part. Through the handle spare on every first locating part, the user of being convenient for adjusts the position of first locating part, can effectual reduction first locating part and the installation degree of difficulty between the truckle, has promoted user's use and has experienced the sense. In addition, the marking of the positions of the two caster wheels can be realized through the first limiting grooves in the two first limiting parts. Therefore, when the laser projection equipment is touched to shift in the using process or the support table needs to be cleaned to shift the laser projection equipment, the laser projection equipment needs to be reset again after the cleaning is finished. Can fix a position two truckles respectively through the groove face of the first spacing groove in two first locating parts, only need promptly with two truckles respectively with two first spacing groove assembly in the first locating part can, need not to carry out the picture debugging gradually again and can realize the quick reset to laser projection equipment. Therefore, the resetting process of the laser projection equipment is effectively simplified, and the resetting precision is ensured.

Optionally, please refer to fig. 4, where fig. 4 is a schematic connection diagram of a first limiting member and a first adhesive layer according to an embodiment of the present disclosure. The laser projection system 000 may further include: the first adhesive layer 400 is disposed on the bottom surface of the first limiting member 300, and the first adhesive layer 400 can be respectively adhered to the bottom surface of the first limiting member 300 and the table surface of the supporting table 200, so as to fix the first limiting member 300 on the supporting table 200. This first adhesive layer 400 may be, for example, a easy-to-pull adhesive. When the first limiting member 300 is fixed by using the easy-pulling glue, the first limiting member 300 can be stably fixed to the supporting platform 200. When the easy-to-draw glue needs to be taken down from the double-time adhered object, the easy-to-draw glue can be easily separated from the adhered object when being taken off due to high elongation, and no residual glue is left. It should be noted that the first adhesive layer 400 may also be a common double-sided tape, which is not specifically limited in this embodiment of the application.

In the embodiment of the present application, please refer to fig. 5, and fig. 5 is a top view of a first position-limiting member provided in the embodiment of the present application. The groove surface A1 of the first limiting groove 301 in the first limiting member 300 may be an arc surface. Wherein, the arc of the cambered surface can be parabolic. That is, the boundary line of the orthographic projection of the groove surface of the first limiting groove 301 on the table top of the support table 200 is parabolic. In this way, the groove surface A1 of the first limiting groove 301 in the first limiting member 300 is an arc surface, so that the groove surface A1 of the first limiting groove 301 and the side surface of the caster 101 are assembled tightly, and the optimal position of the laser projection device 100 in the laser projection system 000 on the support table 200 is further ensured (i.e., the effect of the picture displayed by the laser projection device on the projection screen is better). It should be noted that the caster 101 is generally a cylindrical caster, and the side surface of the caster is also generally an arc surface, so that the side surface of the caster 101 can be better matched with the groove surface of the first limiting groove 301. In addition, by making the arc shape of the arc surface in the first stopper groove 301 parabolic, that is, making the arc surface shape of the first stopper groove 301 partially elliptical. Thus, the first limiting groove 301 can be assembled with different types of casters 101, and the assembly flexibility of the first limiting member 300 is improved. For example, the first stopper groove 301 can be fitted with caster wheels 101 of different shapes.

Optionally, each first limiting member 300 may further have an opening 303 through which the caster 101 in the laser projection apparatus 100 enters into the first limiting groove 301. In this case, by providing an opening 303 on each first limiting member 300, it is convenient for a user to conveniently enter the caster 101 into the first limiting groove 301 of the first limiting member 300 through the opening 303 after holding the first limiting member 300. Therefore, the assembly efficiency of the first limiting member 300 and the caster 101 can be effectively improved.

In the embodiment of the present application, the number of the first position-limiting members 300 in the laser projection system 000 is two, and the position relationship between the orientations of the openings 303 in the two first position-limiting members has various different implementations, and the embodiment of the present application is schematically illustrated by taking the following two implementations as examples:

referring to fig. 5 and 6, fig. 6 is a schematic view illustrating a position relationship between a first limiting member and a caster according to an embodiment of the present disclosure. The two openings 303 of the two first limiting members 300 are oppositely arranged. In this case, by arranging the two openings 303 of the two first limiting members 300 in the opposite directions, the two caster wheels 101 can be limited while the two caster wheels 101 can be positioned by the two first limiting members 300. That is, the displacement of the laser projection apparatus 100 can be restricted in the X1 direction and the X2 direction, and the Y1 direction and the Y2 direction. In this way, the undesirable phenomenon that the two casters 101 of the laser projection system 000 are displaced in a direction parallel to the table top of the support table 200 during the use of the laser projection apparatus 100 can be avoided. In addition, when the support 200 needs to be cleaned, the user only needs to remove the assembly relationship between the caster 101 and the first stopper 300 in the laser projection apparatus 100 and take out the laser projection apparatus 100.

Referring to fig. 5 and 7, fig. 7 is a schematic view illustrating a position relationship between a first limiting member and a caster provided in an embodiment of the present application. The two openings 303 of the two first limiting members 300 are disposed opposite to each other. In this case, by disposing the two openings 303 of the two first limiting members 300 in opposite directions, the first limiting members 300 can position the two casters 101 and can limit the two casters 101. In this way, the undesirable phenomenon that the two casters 101 in the laser projection apparatus 100 are displaced in a direction parallel to the table top of the support 200 during the use of the laser projection apparatus 100 can be avoided.

It should be noted that, in other realizable manners, the included angle between the orientations of the two openings in the two first limiting members 300 may also be other angles, which is not specifically limited in the embodiments of the present application.

Optionally, referring to fig. 5 and 8, fig. 8 is an exploded schematic view of a first limiting member and a caster provided in an embodiment of the present application. The caster 101 in the laser projection apparatus 100 may include: a caster body 1011, and a support base 1012 connected to the caster body 1011. The support base 1012 may contact the support table 200, and the caster body 1011 may be located on a side of the support base 1012 facing away from the support table 200. The first limiting member 300 may further have an auxiliary limiting plate 304 connected to the groove surface A1 of the first limiting groove 301, and one surface of the auxiliary limiting plate 304 departing from the supporting platform 200 may contact with the caster body 1011. In this case, after the caster 101 is assembled with the first limiting groove 301, the caster body 1011 of the caster 101 may also contact a surface of the auxiliary limiting plate 304 away from the support table 200. Thus, the groove surface A1 of the first limiting groove 301 in the first limiting member 300 and the auxiliary limiting plate 304 act together, so that the assembling tightness between the first limiting member 300 and the caster 101 is effectively improved, and the position accuracy of the laser projection apparatus 100 is ensured.

For example, the first adhesive layer 400 may be disposed on the bottom surfaces of the two first stoppers 300. When commissioning laser projection device 100. First, the user may adjust the position of the laser projection apparatus 100 on the support 200 according to the position of the screen projected on the projection screen by the laser projection apparatus 100, after the laser projection apparatus 100 is adjusted to the optimal position. Then, the user may tear off the release paper on the first adhesive layer 400, and move the two first limiting members 300 from two sides of the laser projection apparatus 100 toward the corresponding casters 101, respectively, so that the first limiting grooves 301 in the two first limiting members 300 are abutted to the corresponding casters 101, respectively. Finally, the laser projection apparatus 100 is lifted up appropriately, and the two first position-limiting members 300 are pressed against the supporting platform 200 respectively, so as to ensure that the two first position-limiting members 300 are firmly bonded to the supporting platform 200 through the first bonding layer 400.

In another implementation manner, please refer to fig. 9, wherein fig. 9 is a top view of another first position-limiting member provided in the embodiment of the present application. When the number of the first position-limiting members 300 is two, and the two openings 303 of the two first position-limiting members 300 are disposed oppositely. The laser projection system may further include: a first connector 500 and a second connector 600. Two ends of the first connecting member 500 may be connected to one ends of the two first limiting members 300, respectively, and two ends of the second connecting member 600 may be connected to the other ends of the two first limiting members 300, respectively.

Alternatively, as shown in fig. 6 and 7, the number of the handle members 302 in the laser projection system 000 is two, and each handle member 302 may be located at a central position of each first limiting member 300. In this case, the handle member 302 is disposed at a position close to the center of gravity of the first limiting member 300 by fixing the handle member 302 at the central region of the first limiting member 300. So, be convenient for the user carry out the centre gripping to the first locating part 300 that corresponds respectively through two handle pieces 302, and then improved user's use and experienced the sense. In the present application, the first limiting member 300 and the handle member 302 connected thereto may be integrally formed. For example, the first position-limiting member 300 and the handle member 302 connected thereto may be formed by injection molding of ABS plastic (ABS).

Referring to fig. 10, 11 and 12, fig. 10 is a schematic structural diagram of another laser projection system according to an embodiment of the present application, fig. 11 is a bottom view of the laser projection system shown in fig. 10, and fig. 12 is a schematic structural diagram of a second limiting member according to the embodiment of the present application. The support table 200 in the laser projection system may have a plurality of support columns 201, and the plurality of support columns 201 may be used to support the support table 200 on the ground. The laser projection system 000 may further include: the second limiting member 700, the supporting table 200 of the laser projection system 000, may have a plurality of supporting columns 201, and the plurality of supporting columns 201 may be used to support the supporting table 200 on the ground. The bottom surface of the second limiting member 700 in the laser projection system 000 may be used for fixing on the ground. Each of the second position-limiting members 700 may have a second position-limiting groove 701, and at least two of the second position-limiting members 700 correspond to at least two of the supporting pillars 201 in the plurality of supporting pillars 201 one to one. At least part of the groove surface B1 of the second limiting groove 701 in each second limiting member 700 abuts against the side surface of the corresponding supporting column 201. In the present application, the support table 200 generally has four corners, the number of the support columns 201 in the support table 200 may be four, and the four support columns 201 may be respectively located at the four corners of the support table 200. The number of the second position-limiting members 700 may be two, and the two supporting columns 201 may be any two of the four supporting columns 201. For example, the two support posts 201 may be two support posts 201 that are close to the projection screen in the laser projection system 000; alternatively, the two support posts 201 may be two support posts 201 away from the projection screen in the laser projection system 000; alternatively, the two support columns 201 may be two support columns 201 located on the diagonal of the support table 200, which is not specifically limited in this embodiment. In the following embodiments, the number of the second stoppers 700 is two, which is taken as an example for the schematic explanation.

Illustratively, after laser projection apparatus 100 is placed on support 200 in laser projection system 000, when laser projection apparatus 100 is commissioned. First, the user can adjust the position of the support 200 (e.g., a television cabinet) according to the indoor space and the position of the projection screen. Then, a user can hold the second limiting member 700 by hand to adjust the positions of the second limiting member 700 and the supporting posts 201, so that the two supporting posts 201 respectively abut against the groove surfaces B1 of the two second limiting grooves 701 in the two second limiting members 700. Finally, the two second limiting members 700 are fixed on the ground. In this case, the marking of the positions of the two supporting columns 201 can be realized by the second limiting grooves 701 in the two second limiting members 700. Thus, when the laser projection apparatus 100 is in use, the supporting table 200 is touched to be displaced or the floor is cleaned, and the supporting table 200 needs to be displaced and needs to be reset again. The two supporting columns 201 can be positioned through the two second limiting parts 700 respectively, that is, only the two supporting columns 201 need to be assembled with the two second limiting grooves 701 in the two second limiting parts 700 respectively, so that the supporting table 200 can be reset quickly.

Optionally, please refer to fig. 13, and fig. 13 is a schematic connection diagram of a second limiting member and a second adhesive layer according to an embodiment of the present application. The laser projection system 000 may further include: the second adhesive layer 800 is located on the bottom surface of the second limiting member 700, and the second adhesive layer 800 may be respectively adhered to the bottom surface of the second limiting member 700 and the ground, so as to fix the second limiting member 700 to the ground. For example, the second adhesive layer 800 may be a easy-open adhesive or a back adhesive, which is not specifically limited in this embodiment.

For example, the second adhesive layer 800 may be disposed on the bottom surfaces of the two second stoppers 700. When commissioning the laser projection device 100, first, the user can adjust the position of the support 200 according to the indoor environment and the position of the projection screen. Then, the user can tear off the release paper on the second adhesive layer 800, and approach the two second limiting members 700 to the corresponding supporting pillars 201 from two sides of the supporting platform 200, respectively, so that the second limiting members 700 abut against the side surfaces of the corresponding supporting pillars 201. Finally, the two second limiting members 700 are respectively pressed on the ground, and the two second limiting members 700 are firmly bonded to the ground through the second bonding layer 800.

Optionally, there are many possible implementations of the position relationship between two of the plurality of supporting columns 201 in the supporting table 200 and two of the second limiting members 700, and three possible implementations are schematically illustrated as follows:

referring to fig. 14, fig. 14 is a schematic diagram illustrating a position relationship between a second position-limiting member and a supporting post according to an embodiment of the present disclosure. The number of the second position-limiting members 700 is two, and both the two second position-limiting members 700 can be located between the two corresponding supporting columns 201. In this case, by making both the second stoppers 700 be located between the corresponding two support columns 201 in the support table 200. In this way, the two second limiting members 700 can position the two supporting columns 201 and can limit the two supporting columns 201, that is, the displacement of the supporting table 200 can be limited in the X1 direction, the X2 direction and the Y1 direction. And thus, the undesirable phenomenon that the two supporting columns 201 in the supporting table 200 are displaced in the direction parallel to the ground surface during the use of the laser projection apparatus 000 can be avoided.

Referring to fig. 15, fig. 15 is a schematic view illustrating a position relationship between a second position-limiting member and a supporting post according to an embodiment of the present disclosure. In the two second limiting members 700, each second limiting member 700 may be located on a side of the corresponding supporting column 201 departing from the other second limiting member 700. That is, the two supporting columns 201 are disposed between the two corresponding second limiting members 700. In this case, the two support columns 201 in the support table 200 are located between the two corresponding second stoppers 700. Thus, the two second position-limiting members 700 can position the two supporting pillars 201 and can limit the two supporting pillars 201, that is, can limit the displacement of the supporting platform 200 in the X1 direction, the X2 direction, and the Y1 direction. And thus, the undesirable phenomenon that the two supporting columns 201 in the supporting table 200 are displaced in the direction parallel to the ground surface during the use of the laser projection apparatus 000 can be avoided. It should be noted that, in the actual use process, the two second limiting members 700 are mainly used to limit the supporting table 200 in the X1 direction and the X2 direction, so as to prevent the picture displayed on the projection screen by the laser projection apparatus 100 from moving out of the projection screen. It should be noted that, in the actual use process, two second position-limiting members 700 are disposed outside two supporting columns 201 on the side of the four supporting columns 201 away from the projection screen for convenience of assembly and for aesthetic appearance.

Referring to fig. 16, fig. 16 is a schematic diagram illustrating a position relationship between a second position-limiting member and a supporting post according to an embodiment of the present application. In the two second limiting members 700, one second limiting member 700 is located on one side of the corresponding supporting column 201 departing from the other second limiting member 700, and the other second limiting member 700 is located between the two supporting columns 201 corresponding to the two second limiting members 700.

Optionally, please refer to fig. 17, where fig. 17 is a schematic structural diagram of a second limiting member according to an embodiment of the present application. The second limiting member 700 may include: the positioning device comprises a first sub positioning strip L1 and a second sub positioning strip L2 which are connected with each other, and the length direction of the first sub positioning strip L1 is vertical to the length direction of the second sub positioning strip L2. The first sub-positioning strip L1 and the second sub-positioning strip L2 are respectively in contact with two adjacent side surfaces of the supporting column 201. In this case, a second limit groove is formed by the first sub-positioning strip L1 and the second sub-positioning strip L2 connected to each other, and a groove surface of the second limit groove is in contact with a side surface of the support column 201 to position the support column 201. For example, the first sub-positioning strip L1 and the second sub-positioning strip L2 may be integrally formed by injection molding of PC plastic.

In the present application, the cross-section of the support posts 201 in the support table 200 may be circular or square, or other shapes. When the cross section of the supporting column 201 is square, the contact area between the square supporting column 201 and the first sub-positioning strip L1 and the second sub-positioning strip L2 which are perpendicular to each other is large, and therefore the assembling stability of the supporting column 201 and the first sub-positioning strip L1 and the second sub-positioning strip L2 is improved.

It should be noted that the side of the support table 200 in the embodiment of the present application and the side of the support column 201 in the support table 200 may be coplanar or not coplanar. Referring to fig. 18, fig. 18 is a schematic position diagram of another second position-limiting member and a supporting post according to an embodiment of the present application. When the side of the support stage 200 is coplanar with the side of the support column 201 in the support stage 200, and the side of the support stage 200 may be in contact with the wall surface E1. In this case, the outer side surface of the first sub-positioning strip L1 may be in contact with the wall surface E1, the outer side surface of the second sub-positioning strip L2 is in contact with the side surface of the support column 201, and two support columns of the plurality of support columns 201 are located between the two second sub-positioning strips L2. The outer side surface of the first sub-positioning strip L1 and the outer side surface of the second sub-positioning strip L2 are both surfaces opposite to the groove surface of the second limiting groove 701. In this way, the displacement of the supporting column 201 in the X1 and X2 directions can be restricted by the two second sub positioning bars L2, and the displacement of the supporting column 201 in the Y1 direction can be restricted by the wall surface E1.

In other possible implementations, the support table 200 may be a cabinet having a cubic structure (e.g., a rectangular parallelepiped or a square), and a surface of the support table 200 opposite to a surface on which the laser projection apparatus 100 is placed may be directly in contact with the ground, i.e., it may not be provided with the support column 201 to support the support table 200. In this way, the two second stoppers 700 may abut against two corners of the support 200 on the side close to the floor surface to position the support 200.

In the present application, the laser projection system 000 may further include: a projection screen (not shown in the figures), and when the laser projection apparatus 100 is in operation, the laser projection apparatus 100 may emit light obliquely upward, so that the laser projection apparatus 100 may project a picture onto the projection screen.

In summary, the embodiment of the present application provides a laser projection system, which may include: laser projection equipment, a plurality of truckles and first locating part. Through the handle spare on every first locating part, the user of being convenient for adjusts the position of first locating part, can effectual reduction first locating part and the installation degree of difficulty between the truckle, has promoted user's use and has experienced the sense. In addition, the marking of the positions of the two caster wheels can be realized through the first limiting grooves in the two first limiting pieces. Therefore, when the laser projection equipment is touched to shift in the using process or the support table needs to be cleaned to shift the laser projection equipment, the laser projection equipment needs to be reset again after the cleaning is finished. Can fix a position two truckles respectively through the groove face of the first spacing groove in two first locating parts, only need promptly with two truckles respectively with two first spacing groove assembly in the first locating part can, need not to carry out the picture debugging gradually again and can realize the quick reset to laser projection equipment. Therefore, the resetting process of the laser projection equipment is effectively simplified, and the resetting precision is ensured.

In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.

The above description is intended to be exemplary only, and not to limit the present application, and any modifications, equivalents, improvements, etc. made within the spirit and scope of the present application are intended to be included therein.

Claims (10)

1. A laser projection system, comprising:

a laser projection device having a plurality of casters;

a support table on which the casters are in contact after the laser projection apparatus is placed;

fix two at least first locating parts on the brace table, every first locating part has first spacing groove and handle spare, handle spare is located one side that deviates from in the first locating part first spacing groove, two at least first locating parts with two at least truckle one-to-one in a plurality of truckles, every at least part in the groove face of first spacing groove in the first locating part and the side butt of the truckle that corresponds.

2. The laser projection system of claim 1, wherein the groove surface of the first limiting groove is an arc surface, and the arc of the arc surface is parabolic.

3. The laser projection system of claim 1, wherein each of the first position-limiting members further has an opening for the caster to enter into the first position-limiting groove.

4. The laser projection system of claim 3, wherein the number of the first position-limiting members is two, and two openings of the two first position-limiting members are disposed opposite or opposite to each other.

5. The laser projection system of claim 3, wherein the caster comprises: the supporting seat is in contact with the supporting table, and the caster body is positioned on one side of the supporting seat, which is far away from the supporting table;

the first limiting part is further provided with an auxiliary limiting plate connected with the groove surface of the first limiting groove, and one surface of the auxiliary limiting plate, which deviates from the supporting platform, is in contact with the caster body.

6. The laser projection system of any one of claims 3 to 5, wherein when the number of the first limiting members is two, and the two openings of the two first limiting members are disposed opposite to each other, the laser projection system further comprises: the two ends of the first connecting piece are respectively connected with one ends of the two first limiting pieces, and the two ends of the second connecting piece are respectively connected with the other ends of the two first limiting pieces.

7. A laser projection system as claimed in any one of claims 1 to 5, wherein the table has a plurality of support columns for supporting the table on a floor;

the laser projection system further comprises: the at least two second locating parts are fixed on the ground, each second locating part is provided with a second locating groove, the at least two second locating parts correspond to the at least two support columns in the plurality of support columns in a one-to-one mode, and at least part of the groove surface of the second locating groove in each second locating part is abutted to the side surface of the corresponding support column.

8. The laser projection system of claim 7, wherein the second limiter comprises: the first sub-positioning strip and the second sub-positioning strip are connected with each other, and the length direction of the first sub-positioning strip is vertical to the length direction of the second sub-positioning strip;

the first sub-positioning strip and the second sub-positioning strip are respectively contacted with two adjacent side faces of the supporting column.

9. The laser projection system of claim 7, wherein the number of the second position-limiting members is two, and each of the two second position-limiting members is located between the two corresponding support posts;

or, in the two second limiting members, each second limiting member is located on one side of the corresponding supporting column, which is away from the other second limiting member;

or, in the two second limiting members, one second limiting member is located on one side of the corresponding support column departing from the other second limiting member, and the other second limiting member is located between the two support columns corresponding to the two second limiting members.

10. The laser projection system as claimed in any one of claims 1 to 5, wherein the handle member is located at a central position of the first stopper member.

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