CN214512633U

CN214512633U - Portable laser projection device

Info

Publication number: CN214512633U
Application number: CN202120677238.3U
Authority: CN
Inventors: 叶志萍; 叶国聪; 叶洁莹; 叶舒婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a portable laser projection device, including two support frames, the one end and the ground butt of support frame, the support frame is kept away from the one end on ground and is installed the laser projection subassembly, and the laser projection subassembly sets up towards the slope of ground direction including a plurality of main transmitting terminals and the vice transmitting terminal that are used for transmitting laser, main transmitting terminal, and vice transmitting terminal level sets up, and a plurality of main transmitting terminal symmetries set up, and a plurality of main transmitting terminals are located the both sides of vice transmitting terminal. This application has the outdoor badminton court that provides not fragile, conveniently carries out the effect of the match of outdoor badminton.

Description

Portable laser projection device

Technical Field

The application relates to the field of projection technology, in particular to a portable laser projection device.

Background

It is well known that badminton is often required to be played on a badminton court, particularly in a badminton game, requiring that the badminton court must have clear boundaries and a net.

Generally, only indoor badminton court has clear boundary lines and nets, but the indoor badminton court is limited and is often in short supply; therefore, in some places, the badminton court is projected by adopting a laser projection mode, the laser projector is fixed at a certain height, and then laser programmed is emitted towards the ground, so that the laser forms the laser badminton court on the ground.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the laser projector is fixed at a certain height, and is difficult to install and disassemble, so that the difficulty in generating the laser badminton court is high.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the generation of the laser badminton court, the application provides a portable laser projection device.

The application provides a portable laser projection device. The following technical scheme is adopted:

the utility model provides a portable laser projection device, includes two support frames, the one end and the ground butt of support frame, the support frame is kept away from the one end on ground and is installed the laser projection subassembly, the laser projection subassembly is including a plurality of main transmitting terminals and the vice transmitting terminal that are used for transmitting laser, main transmitting terminal sets up towards the slope of ground direction, vice transmitting terminal level sets up, and is a plurality of main transmitting terminal symmetry sets up, and a plurality of main transmitting terminals are located the both sides of vice transmitting terminal.

By adopting the technical scheme, the projection is performed. Searching a relatively flat open ground, placing two support frames at a certain distance, wherein the distance is close to the distance of a badminton net, setting the height of the support frames to enable the height of the auxiliary transmitting ends to be close to the specified height of the top of the badminton net, oppositely setting the two auxiliary transmitting ends at a short distance, at the moment, a plurality of main transmitting ends are respectively positioned at two sides of the auxiliary transmitting ends and incline towards the ground, setting the projection sent by the main transmitting ends into a quarter-court size through a program, when starting the laser projection assembly, oppositely sending laser along the horizontal direction by the two auxiliary transmitting ends to form the badminton net of the badminton, sending laser by the main transmitting ends at two sides of the auxiliary transmitting ends to form the badminton court along half of the length direction of the badminton field, splicing with the main transmitting ends on the spaced laser projection assembly to form a finished badminton field, and conveniently installing and disassembling the laser projector, the laser badminton court can be generated in a flat open space at any time.

Optionally, the support frame includes base and telescopic link, the one end of base is used for with ground butt, the one end and the telescopic link fixed connection on ground are kept away from to the base, the one end and the laser projection subassembly of base are kept away from to the telescopic link are connected.

By adopting the technical scheme, the arrangement of the telescopic rod facilitates the adjustment of the horizontal heights of the two laser projection assemblies, so that the laser emitted by the auxiliary emission port is horizontal; and meanwhile, the support frame is convenient to store.

Optionally, the laser projection assembly is detachably connected with the telescopic rod, and the laser projection assembly rotates around the axis of the telescopic rod.

Through adopting above-mentioned technical scheme, make main transmitting terminal and vice transmitting terminal all rotate around the axis of telescopic link through rotating the laser projection subassembly, and then realize under the condition of unmovable support frame, rotate in order to adapt to outdoor topography to the badminton court, laser projection device's use is comparatively convenient.

Optionally, the laser projection subassembly includes laser projector and installation component, the installation component includes loading board and threaded sleeve, laser projector passes through bolt and loading board fixed connection, and is a plurality of main transmitting terminal and vice transmitting terminal all are located laser projector's lateral wall, and laser projector's one end and threaded sleeve fixed connection are kept away from to the loading board, the telescopic link is kept away from the coaxial threaded rod that is fixed with of one end terminal surface of base, threaded rod and threaded sleeve threaded connection.

Through adopting above-mentioned technical scheme, through threaded rod and threaded sleeve's threaded connection, the flexible function of cooperation telescopic link has realized laser projector's rotation function, makes laser projector be in quiescent condition after accomplishing to adjust simultaneously, highly making vice transmitting terminal be in the height of badminton net top regulation all the time of readjusting the telescopic link.

Optionally, the base includes a plurality of supporting legs and bottom plate, and is a plurality of the supporting leg is with ground butt, and is a plurality of the supporting leg is kept away from the one end on ground and all is fixed with the bottom plate, the bottom plate is kept away from the one end terminal surface of supporting leg and is installed portable power source, portable power source and laser projector electric connection.

Through adopting above-mentioned technical scheme, the bottom plate provides the space of placing for portable power source, and portable power source's setting can charge to laser projector for laser projection device is difficult for the outage in the use, increases laser projection device's duration.

Optionally, the mobile power supply is detachably connected to the base plate.

Through adopting above-mentioned technical direction, portable power source can dismantle with the bottom plate and be connected, makes things convenient for the staff to dismantle portable power source and charge.

Optionally, the bearing plate has the protection casing towards the protruding direction of keeping away from the threaded sleeve, the protection casing end to end sets up, the one end that the bearing plate was kept away from to the protection casing extends to the below of a plurality of main transmitting terminals, vice transmitting terminal.

Through adopting above-mentioned technical scheme, the setting of protection casing plays the guard action to laser emitter, and when the support frame topples over, the protection casing makes laser projector's lateral wall be difficult for crashing, and the one end that the bottom plate was kept away from to the protection casing extends to the below of a plurality of main transmitting terminal, vice transmitting terminal for the protection casing is difficult for interfering the transmission of laser.

Optionally, the telescopic link includes the sleeve pipe of a plurality of head and the tail mutual plug bushes, and is a plurality of sheathed tube pipe diameter reduces gradually from the one end that is close to the bottom plate towards the one end that is close to the threaded rod, is provided with the flexible pad that is used for increasing frictional force between two adjacent sheathed tube lateral walls.

Through adopting above-mentioned technical scheme, be provided with the setting that is used for increasing the flexible pad of frictional force between two adjacent sheathed tube lateral walls for after the telescopic link is accomplished flexible regulation, the sleeve pipe keeps relative static each other, and the telescopic link is difficult for the mistake extension or shortens, and the stability that laser projection device used is better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the main transmitting ends on the spaced laser projection components are spliced to form a finished badminton court, the laser projector is convenient to mount and dismount and carry, and the laser badminton court can be generated at any time in a flat vacant ground;

2. the arrangement of the telescopic rod facilitates the adjustment of the horizontal heights of the two laser projection assemblies, so that the laser emitted by the auxiliary emission port is horizontal; meanwhile, the support frame is convenient to store;

3. the setting of portable power source can charge to laser projector for laser projection device is difficult for the outage in the use, increases laser projection device's time of endurance.

Drawings

FIG. 1 is a schematic view of the present embodiment in use;

fig. 2 is a schematic view of the overall structure of the present embodiment.

Description of reference numerals: 1. a support frame; 11. a telescopic rod; 12. a base; 121. a base plate; 122. supporting legs; 2. a laser projection assembly; 21. a laser projector; 211. a main transmitting end; 212. a secondary transmitting end; 22. mounting the component; 221. a carrier plate; 222. a protective cover; 3. a mobile power supply; 4. a threaded rod; 5. a threaded sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-2 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The embodiment of the application discloses portable laser projection device. Referring to fig. 1, portable laser projection device includes two support frames 1 that the interval was placed, and the one end and the ground butt of support frame 1, support frame 1 keep away from the one end on ground and install laser projection subassembly 2.

Referring to fig. 1 and 2, support frame 1 includes base 12 and telescopic link 11, and the one end of base 12 is used for with ground butt, the one end and the telescopic link 11 fixed connection on ground are kept away from to base 12, and the one end that base 12 was kept away from to telescopic link 11 can be dismantled with laser projection subassembly 2 and be connected, and the setting of telescopic link 11 is convenient to adjust the level of two laser projection subassemblies 2.

Referring to fig. 2, the laser projection assembly 2 includes a laser projector 21 and a mounting assembly 22, the mounting assembly 22 includes a bearing plate 221 and a threaded sleeve 5, the laser projector 21 is fixedly connected with the bearing plate 221 through a bolt, one end of the bearing plate 221 far away from the laser projector 21 is welded with the threaded sleeve 5, a threaded rod 4 is coaxially fixed on an end surface of one end of the telescopic rod 11 far away from the base 12, and the threaded rod 4 is in threaded connection with the threaded sleeve 5; through threaded connection of the threaded rod 4 and the threaded sleeve 5, the rotation function of the laser projector 21 is realized by matching with the telescopic function of the telescopic rod 11, and meanwhile, the laser projector 21 is in a static state after adjustment is completed.

The laser projector 21 includes two main emitting ends 211 and an auxiliary emitting end 212 for emitting laser, the two main emitting ends 211 are all obliquely arranged towards the ground direction, the auxiliary emitting end 212 is horizontally arranged, the two main emitting ends 211 are symmetrically arranged, and the two main emitting ends 211 are located at two sides of the auxiliary emitting end 212.

The base 12 comprises three support legs 122 and a bottom plate 121 arranged horizontally, one ends of the three support legs 122 are abutted to the ground, one ends of the three support legs 122 far away from the ground are fixed with the bottom plate 121, the end face of one end of the bottom plate 121 far away from the support legs 122 is detachably connected with a mobile power supply 3 through bolts, and the mobile power supply 3 is electrically connected with the laser projector 21; portable power source 3 can dismantle with bottom plate 121 and be connected the setting, makes things convenient for the staff to dismantle portable power source 3 and charge.

Referring to fig. 2, the bearing plate 221 is protruded with a protective cover 222 in a direction away from the threaded sleeve 5, the protective covers 222 are arranged end to end, one end of each protective cover 222 away from the bottom plate 121 extends to the lower portions of the two main emission ends 211 and the auxiliary emission end 212, and the protective cover 222 is arranged to protect the laser emission electrode.

The telescopic rod 11 comprises four cylindrical sleeves which are inserted into each other end to end, the pipe diameters of the four sleeves are gradually reduced from one end close to the bottom plate 121 to one end close to the threaded rod 4, a flexible pad (not shown in the figure) for increasing friction force is arranged between the side walls of the two adjacent sleeves, the sliding friction force between the adjacent sleeves is increased due to the arrangement of the flexible pad, and the sleeves are kept static relative to each other after the telescopic rod 11 finishes telescopic adjustment.

The implementation principle of the portable laser projection device in the embodiment of the application is as follows: when the laser projection device is used for projecting a badminton court, a flat open space is firstly found, two support frames 1 are placed at a certain interval, the interval is close to the net distance of the badminton, and the height of the telescopic rod 11 is adjusted to enable the height of the auxiliary transmitting end 212 to be close to the height specified by the top of the net.

Open laser projector 21, then rotate threaded sleeve 5 and make two vice transmitting terminals 212 relative and the laser that two transmitting terminals sent be located same level, make two main transmitting terminals 211 orientation comparatively spacious place simultaneously, carry out the laser that vice transmitting terminal 212 and two main transmitting terminals 211 sent through observing laser and calibrate for four main transmitting terminals 211 amalgamation play complete badminton court.

When in use, the portable power source 3 is turned on to charge the laser projector 21 for a long time. The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. A portable laser projection device, characterized in that: including two support frames (1), the one end and the ground butt of support frame (1), support frame (1) is kept away from the one end on ground and is installed laser projection subassembly (2), laser projection subassembly (2) are including a plurality of main transmitting terminal (211) and vice transmitting terminal (212) that are used for transmitting laser, main transmitting terminal (211) sets up towards the slope of ground direction, vice transmitting terminal (212) level sets up, and is a plurality of main transmitting terminal (211) symmetry sets up, and a plurality of main transmitting terminal (211) are located the both sides of vice transmitting terminal (212).

2. A portable laser projection device as claimed in claim 1, wherein: the support frame (1) comprises a base (12) and an expansion rod (11), one end of the base (12) is used for being abutted to the ground, one end of the base (12) far away from the ground is fixedly connected with the expansion rod (11), and one end of the expansion rod (11) far away from the base (12) is connected with the laser projection assembly (2).

3. A portable laser projection device as claimed in claim 2, wherein: laser projection subassembly (2) can dismantle with telescopic link (11) and be connected, laser projection subassembly (2) rotate around the axis of telescopic link (11).

4. A portable laser projection device as claimed in claim 2, wherein: laser projection subassembly (2) include laser projector (21) and installation component (22), installation component (22) include loading board (221) and threaded sleeve (5), laser projector (21) are through bolt and loading board (221) fixed connection, and are a plurality of main transmitting terminal (211) and auxiliary transmitting terminal (212) all are located the lateral wall of laser projector (21), and the one end and threaded sleeve (5) fixed connection of laser projector (21) are kept away from in loading board (221), the coaxial threaded rod (4) that is fixed with of one end terminal surface of base (12) is kept away from in telescopic link (11), threaded rod (4) and threaded sleeve (5) threaded connection.

5. A portable laser projection device as claimed in claim 4, wherein: base (12) include a plurality of supporting legs (122) and bottom plate (121), and is a plurality of supporting leg (122) and ground butt, a plurality of the one end that ground was kept away from in supporting leg (122) all is fixed with bottom plate (121), the one end terminal surface that supporting leg (122) were kept away from in bottom plate (121) is installed portable power source (3), portable power source (3) and laser projector (21) electric connection.

6. A portable laser projection device as claimed in claim 5, wherein: the mobile power supply (3) is detachably connected with the bottom plate (121).

7. A portable laser projection device as claimed in claim 4, wherein: bearing plate (221) have protection casing (222) towards the direction arch of keeping away from threaded sleeve (5), protection casing (222) end to end sets up, the one end that bearing plate (221) were kept away from in protection casing (222) extends to the below of a plurality of main emission ends (211), vice emission end (212).

8. A portable laser projection device as claimed in claim 5, wherein: telescopic link (11) include the sleeve pipe of a plurality of head and the tail mutual plug bushes, and is a plurality of sheathed tube pipe diameter reduces gradually from the one end that is close to bottom plate (121) towards the one end that is close to threaded rod (4), is provided with the flexible pad that is used for increasing frictional force between two adjacent sheathed tube lateral walls.