WO2019037508A1 - 一种激光投点装置 - Google Patents

一种激光投点装置 Download PDF

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Publication number
WO2019037508A1
WO2019037508A1 PCT/CN2018/089591 CN2018089591W WO2019037508A1 WO 2019037508 A1 WO2019037508 A1 WO 2019037508A1 CN 2018089591 W CN2018089591 W CN 2018089591W WO 2019037508 A1 WO2019037508 A1 WO 2019037508A1
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WO
WIPO (PCT)
Prior art keywords
pointing device
laser pointing
main body
body portion
state
Prior art date
Application number
PCT/CN2018/089591
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English (en)
French (fr)
Inventor
张瓯
Original Assignee
常州华达科捷光电仪器有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常州华达科捷光电仪器有限公司 filed Critical 常州华达科捷光电仪器有限公司
Priority to US16/641,292 priority Critical patent/US11333958B2/en
Priority to JP2020600027U priority patent/JP3227853U/ja
Priority to EP18847994.3A priority patent/EP3674659B1/en
Publication of WO2019037508A1 publication Critical patent/WO2019037508A1/zh

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02—Means for marking measuring points
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/22—Pointers, e.g. settable pointer
    • G01D13/26—Pointers, e.g. settable pointer adapted to perform a further operation, e.g. making electrical contact
    • G01D13/265—Pointers which conduct light
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2046—Positional adjustment of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/30—Semiconductor lasers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof

Definitions

  • the utility model relates to the field of laser, in particular to a laser spotting device.
  • the application of laser devices in the engineering field is very common. Whether it is in the field of building construction, mining and mining, and transportation facilities, a large number of laser devices are needed for positioning and ranging, which have the advantages of high precision and long distance.
  • the most common type of construction in the field of building construction is the laser point line meter, which can be divided into different products according to the geometric characteristics of the projected laser, such as instruments for projecting point lasers, instruments for projecting horizontal linear lasers, and projection vertical crossover. Instrumentation equipment for linear lasers, etc.
  • the object of the present invention is to realize the technical effect of miniaturization and convenient positioning of the laser pointing device.
  • the utility model discloses a laser point-picking device, which comprises a light source group, respectively projecting a first positioning point and a second positioning point in two directions of the same straight line, the laser pointing device comprising a housing part and a main body part;
  • the housing portion is sleeved on an outer circumference of the main body portion, and the main body portion and the housing portion are relatively displaceable; when the main body portion is displaced to a first position along a projection direction of the first positioning point
  • the laser pointing device is in a first state, the light source group is turned off; when the main body portion is displaced to a second position along a projection direction of the second positioning point, the laser pointing device is in a second state a state in which the light source group is activated; at least one opening is provided at an end of the housing portion along a projection direction of the second positioning point, when the laser pointing device is in the second state, A hollow space is formed between an end of the casing portion close to the first positioning point and the main body portion
  • the opening is fan shaped.
  • the laser spotting device is shaped as a cylinder whose axis is parallel to the line.
  • the surface of the housing portion is provided with a first convex portion, the first convex portion includes a first spiral inclined surface; the surface of the main body portion is provided with a second convex portion, and the second convex portion a second spiral bevel; the first spiral bevel is opposite to the second spiral bevel, and the first spiral bevel and the second spiral are arranged when the main body is switched between the first position and the second position Beveled thread fit.
  • the first protrusion further includes a first plane disposed at an upper end of the first protrusion, the first plane being parallel to a bottom surface of the pillar; the second protrusion further comprising a second plane disposed at a lower end of the second protrusion, the second plane being parallel to the first plane; when the laser pointing device is in the first state, the first spiral slope is a second spiral bevel contact; rotating the main body portion to bring the first plane into contact with the second plane when the laser pointing device is in the second state, preventing the main body portion from being opposite to the housing portion A displacement occurred.
  • the surface of the housing portion is provided with a first groove, and the first groove extends in the axial direction;
  • the surface of the main body portion is provided with a third convex portion, and the third convex portion extends in a direction parallel to the first concave groove;
  • the third boss is embedded in the first recess such that the main body portion is displaced in the axial direction with respect to the housing portion.
  • the surface of the housing portion is provided with a second groove, the second groove extends in a radial direction of the column; the surface of the body portion is provided with a fourth protrusion, the fourth The protrusion extending direction is parallel to the second groove;
  • the fourth boss is embedded in the second groove to prevent displacement of the body portion relative to the housing portion.
  • the laser pointing device further comprises a switch; when the laser pointing device is in the first state, the switch is not triggered, the laser pointing device is turned off; when the laser pointing device is in the second In the state, the switch is triggered and the laser pointing device is turned on.
  • the switch is a push trigger type switch disposed on an upper end side of the main body portion in series with a power supply circuit in the laser pointing device; and when the laser pointing device is in the first state or the first In the two states, the switch is in a pressed or pop-up state, changing the off or on state of the power circuit.
  • the laser pointing device further comprises a switch button, the switch button is disposed on a surface of the housing portion, and receives an external operation to open or close the laser pointing device.
  • the opening design is increased, so that the position of the two positioning points of the laser pointing device can be observed by the user during use, which is convenient for positioning;
  • FIG. 1 is a schematic structural view of a laser spotting device in accordance with a preferred embodiment of the present invention
  • FIG. 2 is a schematic view showing a specific structure of a laser spotting device according to a preferred embodiment of the present invention
  • FIG. 3 is a schematic view showing a specific structure of a laser spotting device according to another preferred embodiment of the present invention.
  • FIG. 4 is a schematic view showing a specific structure of a laser spotting device according to still another preferred embodiment of the present invention.
  • FIG. 5 is a schematic view showing the working state of the laser pointing device in accordance with a preferred embodiment of the present invention.
  • 10-laser throwing device 11-shell portion, 111-first boss, 112-first spiral bevel, 113-first plane, 114-opening, 115-first groove, 116-second recess Groove, 12-body portion, 121-second boss portion, 122-second spiral slope, 123-second plane, 124-third plane, 125-third boss, 126-four boss, 21 - first state, 22 - second state, 31 - first positioning point, 32 - second positioning point, 40-switch.
  • the laser pointing device 10 includes:
  • the casing portion 11 is provided outside the laser pointing device 10 and is sleeved on the outer circumference of the main body portion 12 .
  • the laser pointing device 10 is cylindrical, and thus the housing portion 11 is also cylindrical.
  • the main body portion 12 is disposed inside the laser pointing device 10 and is a main working component for performing laser spotting.
  • the main body portion 12 is provided with a light source group, and the light source groups are respectively in two directions of the same straight line.
  • the first positioning point 31 and the second positioning point 32 are projected.
  • the laser pointing device 10 is a cylinder, so the linear direction is parallel to the axis of the cylinder, and the first positioning point 31 and the second positioning point 32 are from the main body portion 12 .
  • the two bottom surfaces are projected out.
  • the body portion 12 is displaceable relative to the housing portion 11, i.e., the two can be moved relative to each other such that the laser pointing device 10 is in the first state 21 or the second state 22.
  • the body portion 12 moving in the direction of the first positioning point 31 when the laser pointing device 10 is in the first state 21.
  • the main body portion 12 is in the first position, at which time the axial length of the laser pointing device 10 is the shortest;
  • the main body portion 12 is stretched in the axial direction toward the second positioning point 32 with respect to the casing portion 11, that is, the main body portion 12 is in the second position.
  • the laser pointing device 10 has the longest axial length.
  • the main body portion 12 can be directly displaced in the axial direction, and the displacement trajectory is a straight line along the axial direction; the main body portion 12 can also be displaced in a helical manner with a displacement trajectory that is a helix around the axis of the body portion.
  • the housing portion 11 is provided with at least one opening 114, which may be a fan shape, a circle, a square, a rectangle, a triangle or the like, and functions as an observation window.
  • the main body portion 12 protrudes in the direction of the second positioning point 32, and the casing portion 11 is close to the first positioning point 31.
  • One end forms a hollow space, and the opening 114 communicates as the observation window to the hollow space and the outer space.
  • the user can observe the condition in the hollow space through the opening 114, especially when the laser pointing device 10 is placed on the ground, the first positioning point 31 can be observed from the opening 114.
  • the position is convenient for the user to perform the positioning operation without the assistance of other bracket structures.
  • the laser pointing device 10 further includes:
  • the switch 40 is disposed on the laser pointing device 10, and controls the laser pointing device 10 to be turned on or off, and can be composed of a button, a button, a ship type switch, and connected to a power source in the laser pointing device 10, or Turn off the power supply circuit.
  • the switch 40 may also be disposed on the main body portion 12.
  • the switch 40 When the laser pointing device 10 is in the first state, the switch 40 is not triggered.
  • the laser pointing device 10 is turned off; when the laser pointing device 10 is in the second state, the switch 40 is triggered, and the laser pointing device 10 is turned on.
  • the user can control the opening or closing control simultaneously by simply controlling the state of the laser pointing device 10.
  • the switch 40 is of a switch type that is turned off when pressed, and may be disposed at an upper end side of the main body portion 12.
  • the switch 40 When the laser pointing device 10 is in the first state, the upper end of the main body portion 12 Coincident with the housing portion 11, the switch 40 is pressed to disconnect the power supply circuit; when the laser pointing device 10 is in the second state, the upper end of the main body portion 12 is from the housing portion 11 Extending, the switch 40 is not pressed, and the power circuit is turned on.
  • the switch 40 can also be disposed on the outer surface of the housing portion 11 in the manner of a switch button. The user can operate the switch 40 to place the laser pointing device 10 in an on or off state.
  • FIG. 2 is a schematic diagram of a specific structure of a laser pointing device 10 according to a preferred embodiment of the present invention.
  • the side of the cylinder formed by the laser pointing device 10 in FIG. 2 is planarized to clearly show the specific structure.
  • the housing portion 11 includes:
  • the first convex portion 111 is disposed on the surface of the casing portion 11 , and the first convex portion 111 includes a first spiral inclined surface 112 and a first flat surface 113 .
  • the first spiral slope 112 is orthogonal to the side surface of the cylinder formed by the laser pointing device 10, and has an angle with the bottom surface of the cylinder.
  • the first plane 113 is parallel to the bottom surface of the cylinder.
  • the second raised portion 121 is disposed on the surface of the main body portion 12, and the second raised portion 121 includes a second spiral inclined surface 122, a second flat surface 123, and a third flat surface 124.
  • the second spiral bevel 122 is parallel to the first spiral bevel 112.
  • the second plane 123 is parallel to the first plane 113, and the third plane 124 is parallel to the first plane 113.
  • the left side portion is when the laser pointing device 10 is in the first state 21, and the first spiral bevel 112 is attached to the second spiral bevel 122, and the first plane 113 is Adhering to the third plane 124 such that the main body portion 12 cannot continue to be displaced in an axial direction relatively close to the casing portion 11, and the axial length of the laser pointing device 10 cannot be continuously shortened. That is the shortest state.
  • the right portion is the case when the laser pointing device 10 is in the second state 22, and the main body portion 12 is displaced from the position in the first state 21 along a spiral rising trajectory, so that the The first spiral bevel 112 is separated from the second spiral bevel 122, and the first plane 113 is in contact with the second plane 123.
  • the first plane 113 is in contact with the second plane 123 such that the main body portion 12 cannot be axially displaced back to the first state 21, preventing the main body portion 12 from being subjected to gravity or other external force during operation.
  • Axial displacement acts as a limit.
  • FIG. 3 is a schematic structural diagram of a laser pointing device 10 according to another preferred embodiment of the present invention
  • the surface of the housing portion 11 is provided with:
  • the first groove 115 extends in the axial direction, that is, in the direction of the generatrix of the column, perpendicular to the bottom surface of the column.
  • the first recess 115 may be a recessed space in the housing portion 11.
  • the recessed space is also a cylinder, and the bottom surface thereof may be arc-shaped or rectangular.
  • the surface of the main body portion 12 is provided with a third convex portion 125, and the third convex portion 125 extends in a direction parallel to the first groove 115, that is, the third convex portion 125 is also along the main body.
  • the direction of the busbar extends.
  • the shape of the third protrusion 125 coincides with the first groove 115, and the third protrusion 125 is embedded in the first groove 115, and the two can be displaced in the axial direction, so that The main body portion 12 is displaced in the axial direction with respect to the casing portion 11. In the embodiment, the main body portion 12 can only be displaced in the axial direction and cannot be rotated.
  • FIG. 4 is a schematic structural diagram of a laser pointing device 10 according to a further preferred embodiment of the present invention
  • the surface of the housing portion 11 is provided with:
  • the second groove 116 extends in a radial direction of the cylinder.
  • the second groove 116 is disposed on a side surface of the casing portion 11 and extends in a direction parallel to a bottom surface of the cylinder.
  • the surface of the main body portion 12 is provided with a fourth convex portion 126, the extending direction of the fourth convex portion 126 is parallel to the second groove 116, and the shape of the fourth convex portion 126 is The second groove 116 coincides.
  • the fourth convex portion 126 is embedded in the The second groove 116 prevents the main body portion 12 from being displaced relative to the casing portion 11 and functions as a limit.
  • the main body portion 12 does not slide down due to gravity, ensuring that its working state is stable.
  • the user has to press the main body portion 12 with an external force to disengage the fourth convex portion 126 from the second recess 116.
  • the laser pointing device 10 shown in FIG. 3 is in an operating state.
  • the laser pointing device 10 is placed on the ground in the room, and respectively projects a first positioning point 31 and a second positioning point 32 in a vertical direction, and the first positioning point 31 is projected on the ground in the room.
  • the second positioning point 32 is projected onto the ceiling in the room for construction positioning.
  • the laser pointing device 10 is not limited to the usage mode in the embodiment, and may be placed on the bracket for positioning point projection, and may also be used for positioning point projection in the horizontal direction.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radiation-Therapy Devices (AREA)
  • Semiconductor Lasers (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Position Input By Displaying (AREA)

Abstract

本实用新型提供了一种激光投点装置，包括光源组，沿同一直线的两个方向分别投射出第一定位点和第二定位点，所述激光投点装置包括壳体部和主体部；所述壳体部套设于所述主体部外周，所述主体部和所述壳体部可相对位移；当所述主体部沿所述第一定位点的投射方向位移至第一位置时，关闭所述光源组；当所述主体部沿所述第二定位点的投射方向位移至第二位置时，激活所述光源组；所述壳体部沿所述第二定位点的投射方向的端部处设有至少一个开口，所述壳体部接近所述第一定位点的一端与所述主体部间形成中空空间，所述开口联通所述中空空间与外部空间。本实用新型的技术方案实现激光投点装置在使用过程中两个定位点均可被使用者观察到，方便定位。

Description

一种激光投点装置 技术领域
本实用新型涉及激光领域，尤其涉及一种激光投点装置。
背景技术
如今，激光装置在工程领域中的应用十分普遍，无论是建筑施工领域、采掘矿产领域、交通设施建设领域，都需要大量的激光装置进行定位、测距，具有精确度高、距离远等优点。目前建筑施工领域中最为常见的是激光点线仪，根据其投射的激光的几何特征不同可分为不同的产品，例如投射点状激光的仪器设备、投射水平直线激光的仪器设备、投射垂直交叉直线激光的仪器设备等。
现有技术的点线仪在针对天花板进行相关作业时，其操作使用会比较麻烦，使用者通常需要对照地面的某个位置找到天花板上的对应点，然后进行定点施工。而现有的可以投出上下两个定位点的点线仪放置在地面上时，下定位点是看不到的，需要搭配特定的支架来完成工作，导致工序比较繁琐，工作效率不高。因此，需要设计一种小巧的专门针对天花板作业的激光投点仪，方便用户使用。
实用新型内容
为了克服上述技术缺陷，本实用新型的目的在于实现激光投点装置小型化且定位便捷的技术效果。
本实用新型公开了一种激光投点装置，包括光源组，沿同一直线的两个方向分别投射出第一定位点和第二定位点，所述激光投点装置包括壳体部和主体部；所述壳体部套设于所述主体部外周，所述主体部和所述壳体部可相对位移；当所述主体部沿所述第一定位点的投射方向位移至一第一位置时，所述激光投点装置处于第一状态，关闭所述光源组；当所述主体部沿所述第二定位点的投射方向位移至一第二位置时，所述激光投点装置处于第二状态，激活所述光源组；所述壳体部沿所述第二定位点的投射方向的端部 处设有至少一个开口，当所述激光投点装置处于所述第二状态时，所述壳体部接近所述第一定位点的一端与所述主体部间形成中空空间，所述开口作为观察窗联通所述中空空间与外部空间。
优选地，所述开口为扇形。
优选地，所述激光投点装置成形为柱体，所述柱体的轴线与所述直线平行。
优选地，所述壳体部表面设有第一凸起部，所述第一凸起部包括第一螺旋斜面；所述主体部表面设有第二凸起部，所述第二凸起部包括第二螺旋斜面；所述第一螺旋斜面与第二螺旋斜面相对而设，使所述主体部于所述第一位置和第二位置间切换时，所述第一螺旋斜面与第二螺旋斜面螺纹配合。
优选地，所述第一凸起部还包括第一平面，设于所述第一凸起部上端，所述第一平面与所述柱体的底面平行；所述第二凸起部还包括第二平面，设于所述第二凸起部下端，所述第二平面与所述第一平面平行；当所述激光投点装置处于所述第一状态时，所述第一螺旋斜面与第二螺旋斜面接触；当所述激光投点装置处于所述第二状态时，旋转所述主体部使所述第一平面与第二平面接触，阻止所述主体部相对于所述壳体部发生位移。
优选地，所述壳体部表面设有第一凹槽，所述第一凹槽沿所述轴线方向延伸；
所述主体部表面设有第三凸起部，所述第三凸起部延伸方向与所述第一凹槽平行；
所述第三凸起部嵌入所述第一凹槽，使所述主体部相对于所述壳体部发生沿所述轴线方向发生位移。
优选地，所述壳体部表面设有第二凹槽，所述第二凹槽沿所述柱体的径向方向延伸；所述主体部表面设有第四凸起部，所述第四凸起部延伸方向与所述第二凹槽平行；
当所述激光投点装置处于所述第二状态时，所述第四凸起部嵌入所述第二凹槽，阻止所述主体部相对于所述壳体部发生位移。
优选地，所述激光投点装置还包括开关；当所述激光投点装置处于第一状态时，所述开关未触发，所述激光投点装置关闭；当所述激光投点装置处于第二状态时，所述开关触发，所述激光投点装置打开。
优选地，所述开关为按压触发型开关，设于所述主体部上端侧面，与所述激光投点装置内的电源电路串联；当所述激光投点装置分别处于所述第一状态或第二状态时，所述开关处于被按下或弹起状态，改变所述电源电路的断开或接通状态。
优选地，所述激光投点装置还包括开关按钮，所述开关按钮设于所述壳体部表面，接收外部操作打开或关闭所述激光投点装置。
采用了上述技术方案后，与现有技术相比，具有以下有益效果：
1.增加了开口设计，使得激光投点装置在使用过程中两个定位点的位置均可被使用者观察到，方便定位；
2.实现激光投点装置小型化设计，轻便小巧，方便用户使用；
3.简化了开关设计，优化激光投点装置的整体结构设计效果，美观实用。
附图说明
图1为符合本实用新型一优选实施例中激光投点装置的结构示意图；
图2为符合本实用新型一优选实施例中激光投点装置的具体结构示意图；
图3为符合本实用新型另一优选实施例中激光投点装置的具体结构示意图；
图4为符合本实用新型再一优选实施例中激光投点装置的具体结构示意图；
图5为符合本实用新型一优选实施例中激光投点装置的工作状态示意图。
附图标记：
10-激光投点装置、11-壳体部、111-第一凸起部、112-第一螺旋斜面、113-第一平面、114-开口、115-第一凹槽、116-第二凹槽、12-主体部、121-第二凸起部、122-第二螺旋斜面、123-第二平面、124-第三平面、125-第三凸起部、126-第四凸起部、21-第一状态、22-第二状态、31-第一定位点、32-第二定位点、40-开关。
具体实施方式
以下结合附图与具体实施例进一步阐述本实用新型的优点。
参阅图1，为符合本实用新型一优选实施例中激光投点装置的结构示意图，所述激光投点装置10包括：
-壳体部11
所述壳体部11设于所述激光投点装置10的外部，套设于所述主体部12的外周。本实施例中所述激光投点装置10为圆柱形，因而所述壳体部11也为圆柱形。
-主体部12
所述主体部12设于所述激光投点装置10的内部，是进行激光投点的主要工作部件，所述主体部12内设有光源组，所述光源组沿同一直线的两个方向分别投射出第一定位点31和第二定位点32。在本实施例中，所述激光投点装置10为圆柱体，故所述直线方向与所述圆柱体的轴线平行，所述第一定位点31和第二定位点32自所述主体部12的两个底面投射而出。所述主体部12相对于所述壳体部11可以发生位移，也就是两者可以相 对运动，使所述激光投点装置10处于第一状态21或第二状态22。图1展示了所述第一状态21和第二状态22，当所述激光投点装置10处于所述第一状态21时，所述主体部12朝着所述第一定位点31的方向运动直至与所述壳体部11完全吻合，即所述主体部12处于所述第一位置，此时所述激光投点装置10的轴向长度最短；当所述激光投点装置10处于所述第二状态22时，所述主体部12相对于所述壳体部11沿轴向朝着所述第二定位点32的方向拉伸，即所述主体部12处于所述第二位置，所述激光投点装置10的轴向长度最长。所述激光投点装置10在所述第一状态21与第二状态22之间变化时，所述主体部12可以沿轴向直接位移，其位移轨迹为沿轴向的直线；所述主体部12也可以按照螺旋方式位移，其位移轨迹为围绕所述主体部轴线的螺旋线。
-开口114
所述壳体部11设有至少一个开口114，所述开口114可以是扇形、圆形、正方形、长方形、三角形等几何形状，起到观察窗的作用。当所述激光投点装置10处于所述第二状态22时，所述主体部12向所述第二定位点32的方向伸出，所述壳体部11接近所述第一定位点31的一端形成中空空间，所述开口114作为观察窗联通所述中空空间与外部空间。使用者可以通过所述开口114观察所述中空空间内的情况，特别是当所述激光投点装置10放置于地面上工作时，从所述开口114可以观察到所述第一定位点31的位置，以便使用者进行定位操作，无需其他支架结构辅助，十分方便。
作为所述激光投点装置10的进一步改进，所述激光投点装置10还包括：
-开关40
开关40，设于所述激光投点装置10上，控制所述激光投点装置10打开或关闭，可由按钮、按键、船型开关构成，与所述激光投点装置10内的电源连接，连接或切断供电电路。
作为所述激光投点装置10的进一步改进，所述开关40还可设于所述主体部12上，当所述激光投点装置10处于所述第一状态时，所述开关40未触发，所述激光投点装置10关闭；当所述激光投点装置10处于所述第二状态时，所述开关40被触发，所述激光投点装置10打开。用户只需控制所述激光投点装置10的状态即可同步实现打开或关闭控制。例如，所述开关40采用被按压时断开的开关类型，可设于所述主体部12上端侧面，当所述激光投点装置10处于所述第一状态时，所述主体部12的上端与所述壳体部11重合，所述开关40被按压，使电源电路断开；当所述激光投点装置10处于第二状态时，所述主体部12的上端自所述壳体部11伸出，所述开关40不被按压，所述电源电路 接通。
作为所述激光投点装置10的进一步改进，所述开关40还可设于所述壳体部11的外表面上，以开关按钮的方式实现。使用者可以操作所述开关40使所述激光投点装置10处于开启或关闭状态。
参阅图2，为符合本实用新型一优选实施例中激光投点装置10的具体结构示意图，图2中所述激光投点装置10构成的圆柱体的侧面展开为平面，以便清楚展示具体结构，所述壳体部11包括：
-第一凸起部111
第一凸起部111，设于所述壳体部11表面，所述第一凸起部111包括第一螺旋斜面112、第一平面113。所述第一螺旋斜面112与所述激光投点装置10构成的圆柱体的侧面正交，与所述圆柱体的底面有夹角。所述第一平面113与所述圆柱体的底面平行。
-第二凸起部121
第二凸起部121，设于所述主体部12表面，所述第二凸起部121包括第二螺旋斜面122、第二平面123、第三平面124。所述第二螺旋斜面122与所述第一螺旋斜面112平行。所述第二平面123与所述第一平面113平行，所述第三平面124与所述第一平面113平行。
图2中，左侧部分为所述激光投点装置10处于所述第一状态21时的情况，所述第一螺旋斜面112与所述第二螺旋斜面122贴合，所述第一平面113与所述第三平面124贴合，使得所述主体部12无法继续沿着与所述壳体部11相对接近的轴向方向位移，所述激光投点装置10的轴向长度无法继续缩短，即最短状态。
图2中，右侧部分为所述激光投点装置10处于所述第二状态22时的情况，所述主体部12自所述第一状态21中的位置沿螺旋上升轨迹位移，使得所述第一螺旋斜面112与所述第二螺旋斜面122分离，所述第一平面113与所述第二平面123贴合。所述第一平面113与所述第二平面123贴合，使得所述主体部12无法沿轴向位移回到所述第一状态21，防止主体部12在工作时受重力或其他外力作用发生轴向位移，起到限位的作用。若要将所述所述激光投点装置10从所述第二状态22恢复至所述第一状态21，须使所述主体部12沿螺旋方向位移，直至回到所述第一状态21时的位置。
参阅图3，为符合本实用新型另一优选实施例中激光投点装置10的具体结构示意图，所述壳体部11表面设有：
-第一凹槽115
第一凹槽115，沿所述轴线方向延伸，即沿所述柱体的母线的方向延伸，与所述柱体的底面垂直。所述第一凹槽115可以是所述壳体部11向外凹出一个凹槽空间，所述凹槽空间也是柱体，其底面可以是圆弧状、也可以是矩形。
所述主体部12表面设有第三凸起部125，所述第三凸起部125延伸方向与所述第一凹槽115平行，即所述第三凸起部125也沿着所述主体的母线方向延伸。所述第三凸起部125的形状与所述第一凹槽115吻合，所述第三凸起部125嵌入所述第一凹槽115，两者之间可以沿轴向方向发生位移，使所述主体部12相对于所述壳体部11发生沿所述轴线方向发生位移。本实施例中所述主体部12仅能发生轴向方向的位移，不能旋转。
参阅图4，为符合本实用新型再一优选实施例中激光投点装置10的具体结构示意图，所述壳体部11表面设有：
-第二凹槽116
第二凹槽116，沿所述柱体的径向方向延伸。所述第二凹槽116设于所述壳体部11的侧面，其延伸方向与所述柱体的底面平行。
所述主体部12表面设有第四凸起部126，所述第四凸起部126的延伸方向与所述第二凹槽116平行，且所述第四凸起部126的形状与所述第二凹槽116吻合。当所述主体部12相对于所述壳体部11位移至所述第二位置时，即所述激光投点装置10处于所述第二状态时，所述第四凸起部126嵌入所述第二凹槽116，阻止所述主体部12相对于所述壳体部11发生位移，起到限位的作用。当所述激光投点装置10处于所述第二状态进行工作时，所述主体部12不会因为重力作用下滑，保证其工作状态稳定。当所述激光投点装置10不需要处于所述第二状态时，使用者须用外力按压所述主体部12，使所述第四凸起部126脱离所述第二凹槽116。
参阅图5，为符合本实用新型一优选实施例中激光投点装置的工作状态示意图，图3中所示的激光投点装置10处于工作状态。所述激光投点装置10放置于房间内的地面上，在竖直方向上分别投射出第一定位点31和第二定位点32，所述第一定位点31投射于房间内的地面上，所述第二定位点32投射于房间内的天花板上，用于施工定位。所述激光投点装置10并不限于本实施例中的使用方式，也可以放在支架上进行定位点投射，还可以做水平方向上的定位点投射。
应当注意的是，本实用新型的实施例有较佳的实施性，且并非对本实用新型作任何形式的限制，任何熟悉该领域的技术人员可能利用上述揭示的技术内容变更或修饰为等同的有效实施例，但凡未脱离本实用新型技术方案的内容，依据本实用新型的技术实质 对以上实施例所作的任何修改或等同变化及修饰，均仍属于本实用新型技术方案的范围内。

Claims (10)

  1. 一种激光投点装置，包括光源组，沿同一直线的两个方向分别投射出第一定位点和第二定位点，其特征在于，
    所述激光投点装置包括壳体部和主体部；
    所述壳体部套设于所述主体部外周，所述主体部和所述壳体部可相对位移；
    当所述主体部沿所述第一定位点的投射方向位移至一第一位置时，所述激光投点装置处于第一状态，关闭所述光源组；
    当所述主体部沿所述第二定位点的投射方向位移至一第二位置时，所述激光投点装置处于第二状态，激活所述光源组；
    所述壳体部沿所述第二定位点的投射方向的端部处设有至少一个开口，当所述激光投点装置处于所述第二状态时，所述壳体部接近所述第一定位点的一端与所述主体部间形成中空空间，所述开口作为观察窗联通所述中空空间与外部空间。
  2. 如权利要求1所述的激光投点装置，其特征在于，
    所述开口为扇形。
  3. 如权利要求1或2所述的激光投点装置，其特征在于，
    所述激光投点装置成形为柱体，所述柱体的轴线与所述直线平行。
  4. 如权利要求1所述的激光投点装置，其特征在于，
    所述壳体部表面设有第一凸起部，所述第一凸起部包括第一螺旋斜面；
    所述主体部表面设有第二凸起部，所述第二凸起部包括第二螺旋斜面；
    所述第一螺旋斜面与第二螺旋斜面相对而设，使所述主体部于所述第一位置和第二位置间切换时，所述第一螺旋斜面与第二螺旋斜面螺纹配合。
  5. 如权利要求4所述的激光投点装置，其特征在于，
    所述第一凸起部还包括第一平面，设于所述第一凸起部上端，所述第一平面与所述柱体的底面平行；
    所述第二凸起部还包括第二平面，设于所述第二凸起部下端，所述第二平面与所述第一平面平行；
    当所述激光投点装置处于所述第一状态时，所述第一螺旋斜面与第二螺旋斜面接触；
    当所述激光投点装置处于所述第二状态时，旋转所述主体部使所述第一平面与第二平面接触，阻止所述主体部相对于所述壳体部发生位移。
  6. 如权利要求1所述的激光投点装置，其特征在于，
    所述壳体部表面设有第一凹槽，所述第一凹槽沿所述轴线方向延伸；
    所述主体部表面设有第三凸起部，所述第三凸起部延伸方向与所述第一凹槽平行；
    所述第三凸起部嵌入所述第一凹槽，使所述主体部相对于所述壳体部发生沿所述轴线方向发生位移。
  7. 如权利要求6所述的激光投点装置，其特征在于，
    所述壳体部表面设有第二凹槽，所述第二凹槽沿所述柱体的径向方向延伸；
    所述主体部表面设有第四凸起部，所述第四凸起部延伸方向与所述第二凹槽平行；
    当所述激光投点装置处于所述第二状态时，所述第四凸起部嵌入所述第二凹槽，阻止所述主体部相对于所述壳体部发生位移。
  8. 如权利要求1或2所述的激光投点装置，其特征在于，
    所述激光投点装置还包括开关；
    当所述激光投点装置处于第一状态时，所述开关未触发，所述激光投点装置关闭；
    当所述激光投点装置处于第二状态时，所述开关触发，所述激光投点装置打开。
  9. 如权利要求8所述的激光投点装置，其特征在于，
    所述开关为按压触发型开关，设于所述主体部上端侧面，与所述激光投点装置内的电源电路串联；
    当所述激光投点装置分别处于所述第一状态或第二状态时，所述开关处于被按下或弹起状态，改变所述电源电路的断开或接通状态。
  10. 如权利要求1或2所述的激光投点装置，其特征在于，
    所述激光投点装置还包括开关按钮，所述开关按钮设于所述壳体部表面，接收外部操作打开或关闭所述激光投点装置。
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