CN211926866U

CN211926866U - Laser line marking instrument

Info

Publication number: CN211926866U
Application number: CN202021046541.5U
Authority: CN
Inventors: 钱伟; 赵洋斳
Original assignee: Changzhou Jinli Optical Instrument Co ltd
Current assignee: Changzhou Jinli Optical Instrument Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-11-13
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a laser striping machine, which comprises a shell, wherein the shell is provided with a laser window for emitting laser and a window cover for covering the laser window, and the window cover is movably arranged on the shell and can rotate relative to the shell; this laser striping machine, simple structure, compactness, the position of breakpoint in regulation laser projection line that the user can be convenient not only is favorable to using more conveniently, high-efficient, can avoid putting again and debugging laser striping machine moreover to can effectively reduce the error, improve the precision.

Description

Laser line marking instrument

Technical Field

The utility model relates to a measuring tool technical field, concretely relates to laser striping machine.

Background

The laser line marking instrument, also known as a laser level vertical instrument or a laser line projector, is mainly applied to the work of … … and the like in measurement/lofting/installation/quality control acceptance in dry/wet two major decoration engineering projects in the field of building engineering, and other flexible applications of the relevance of the material processing industry, the equipment installation industry and the like.

The existing laser striping machine generally comprises a shell and a laser head arranged in the shell, wherein the bottom of the shell is generally provided with a base used for horizontal placement, the shell is generally provided with three laser windows used for emitting laser, the laser windows are respectively provided with a window cover (or called a protective cover) protruding outwards from the shell, the window cover seals the corresponding laser window, and a light-transmitting component with high transmittance, such as optical glass, is arranged along the circumferential direction of the window cover so as to pass through laser beams, a conical reflector corresponding to the laser head is generally arranged in the space in the window cover, the laser beams generated by the laser head can form a laser plane (namely 360-degree laser lines reflected by the conical reflector) after being reflected by the conical reflector, the laser planes formed by the three laser windows are mutually vertical, and the laser plane passes through the light-transmitting component to be emitted out of the window cover, and forms a laser projection line.

In the prior art, in order to fix the light-transmitting component, at least three connecting columns (or called columns) for restricting the light-transmitting component are usually arranged along the circumferential direction of the window cover, however, due to the existence of the connecting columns, partial shielding is inevitably generated on the laser line reflected by the conical reflector, so that the problem that the projected laser line has broken line is caused, for example, when the laser line is transmitted to a wall surface, the laser line transmitted to the wall surface has a broken point inevitably, so that the laser line is discontinuous, the use of a user is influenced, especially when the power-off position is exactly the position of the user needing to work (if needing to be marked), the user can only put and debug the laser striping machine again, so that the position of the broken point deviates from the position needing to work, the whole process is troublesome to operate, and much time is wasted for debugging again, but also a certain working error is generated, which greatly reduces the accuracy of the measurement and/or marking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a simple structure, compact laser marking appearance, the position of breakpoint in the regulation laser projection line that the user can be convenient not only is favorable to using more convenient, high-efficient, can avoid putting again and debugging laser marking appearance moreover to can effectively reduce the error, improve the precision.

The utility model discloses the first aspect will be solved the position of breakpoint and can not be adjusted, cause the problem that the use is inconvenient, reduce the precision in current laser striping machine, provide a laser striping machine, which comprises a housin, the casing is provided with and is used for the laser window that is used for the lasing and covers the window cover of laser window, the window cover activity set up in the casing to can rotate for the casing. In this scheme, a window cover activity for supplying the laser line to penetrate sets up in the casing, and have for casing pivoted degree of freedom, in the in-service use process, after this laser marking instrument put the position department of settlement and debugged each laser projection line, if the breakpoint of laser projection line just in time throws in the position department that needs work (as required mark), the user only needs to rotate the window cover can effectively change the position of breakpoint, so that the breakpoint can deviate the position that needs work, thereby make laser marking instrument can normally work, in this in-process, need not to put again and debug laser marking instrument, and not only it is more convenient to use, high efficiency, and can reduce the error, improve the precision.

In order to allow the window cover to rotate, it is preferable that the window cover and the housing constitute a revolute pair, and the window cover can rotate by a set angle with respect to the housing. Utilize the revolute pair to realize the swing joint of window cover and casing, and the turned angle of window cover can be decided according to actual demand, for example, the window cover can be for the casing rotation in 360 degrees within ranges to the user can be according to the convenient position of adjusting the breakpoint on the laser projection line of actual demand.

The utility model discloses the second aspect will be solved the problem of high-efficient assembly and dismantlement between window cover and the casing, and is further, still includes two at least restraint parts, restraint part detachable install in the casing, and will the window cover retrains in the casing. In this scheme, realize the restraint and the fixed of casing through setting up the restraint part, and restraint part itself adopts the detachable mode to be fixed in the casing, the quick installation and the dismantlement of the window cover of being convenient for very much, be convenient for production assembly and later maintenance, change.

In one scheme, one side of the window cover is provided with a laser channel used for passing through a laser beam, the circumferential direction of the laser channel is provided with a clamping groove, the clamping groove is of an annular structure, one end of the restraint part is clamped into the clamping groove, and the other end of the restraint part is detachably fixed on the shell. One end of the constraint component is clamped into the clamping groove of the annular structure, so that the window cover can be constrained and can rotate within a range of 360 degrees relative to the constraint component; and the other end of the constraint component is fixed on the shell, so that the window cover can be fixed, and the window cover can only rotate relative to the shell and cannot fall off from the shell.

In another scheme, one side of the window cover is provided with a laser channel used for passing through laser beams, the circumferential direction of the laser channel is provided with at least two clamping grooves, the clamping grooves are of arc-shaped structures, one end of the constraint component is clamped into the clamping grooves respectively, and the other end of the constraint component is detachably fixed on the shell. In the scheme, one clamping groove corresponds to one constraint part, at least two clamping grooves and the constraint parts with corresponding numbers are arranged in the circumferential direction of the window cover, so that the window cover can be constrained in the circumferential direction, the window cover can also rotate relative to the constraint parts, and the rotation angle of the window cover is smaller than the number of central angles corresponding to the clamping grooves with the arc-shaped structures; and the other end of the constraint component is fixed on the shell, so that the window cover can be fixed, and the window cover can only rotate relative to the shell and cannot fall off from the shell.

In order to realize detachable connection, preferably, the housing is provided with a plurality of connecting holes, the connecting holes are respectively arranged along the circumferential direction of the laser window, and the constraint component is provided with a plurality of through holes matched with the connecting holes. So as to align by the cooperation of the through holes and the connecting holes and realize detachable connection by bolts.

In order to facilitate the locking of the restricting member into the locking groove, preferably, the restricting member includes a connecting portion for engaging with the housing and a protrusion formed on the connecting portion, the through hole is formed in the connecting portion, and the protrusion is adapted to the locking groove and locked into the locking groove. So as to achieve the cooperation of the restricting member and the card slot.

Preferably, the two restraining parts are included, the connecting parts are of plate-shaped structures, notches of semicircular structures are respectively formed in the connecting parts, and the protrusions are formed in the side walls of the notches. After the connecting parts of the two constraint parts are butted together, the two constraint parts can be spliced into a circular notch, and the bulge constructed on the notch can be just clamped into the corresponding clamping groove, so that the constraint and fixation of the window cover are realized.

Preferably, the protrusion is of a semicircular annular structure.

The utility model discloses the third aspect will be solved restraint part's location problem, it is further, the casing is provided with the constant head tank, the shape of connecting portion with constant head tank looks adaptation, or, connecting portion construct with the location of constant head tank looks adaptation is protruding. In the scheme, if the shape of the connecting part is the same as that of the positioning groove, when the constraint component is installed, the constraint component can be positioned only by clamping the connecting part into the corresponding positioning groove, so that the protrusion of the connecting part can be clamped into the preset depth and the preset position of the clamping groove; similarly, when the connecting part is constructed with the positioning protrusions matched with the positioning grooves, when the constraint component is installed, the positioning protrusions are clamped into the corresponding positioning grooves, and the constraint component can be positioned, so that the protrusions constructed on the connecting part can be clamped into the preset depth and the preset position of the clamping grooves.

The fourth aspect of the present invention is to solve the assembly and assembly problems of the window cover, further, the window cover comprises a window frame, a light-transmitting member and a window cover, the window frame comprises a base and at least three connecting posts constructed on the same side of the base, the window cover is detachably fixed to the connecting posts and encloses at least three windows for passing laser beam on the side of the window frame,

the light-transmitting part is arranged between the base and the window cover and seals the window, so that the base, the light-transmitting part and the window cover enclose a sealed inner cavity together,

the laser channel is arranged on the base and communicated with the internal cavity, and the clamping groove is formed in the base and located on one side, far away from the internal cavity, of the base. In this scheme, the window cover includes window frame, printing opacity part and window lid, through window frame and the detachable connection realization of window lid to the restraint of printing opacity part with fixed, three part can constitute a whole to through draw-in groove swing joint in casing, thereby make the window cover rotate as a whole, so that effectively adjust the position of breaking point in the laser projection line.

In order to facilitate the installation and fixation of the light-transmitting component, the base and/or the window cover are/is provided with a groove for restraining the light-transmitting component, a limit groove is arranged on the inner side of the connecting column, and the limit groove is connected with the groove arranged on the base. The limiting grooves of the connecting columns are used for guiding and limiting the light-transmitting parts in the process of assembling the light-transmitting parts, so that the light-transmitting parts can be clamped into the grooves of the base along the limiting grooves, the purpose of rapidly assembling the light-transmitting parts is achieved, the light-transmitting parts clamped into the grooves can be firmly fixed between the base and the window cover under the common constraint of the limiting grooves and the grooves, and the light-transmitting parts can be effectively prevented from falling off in the using process.

In order to firmly fix the light-transmitting component, a gasket is further arranged between the light-transmitting component and the base, and/or a gasket is arranged between the light-transmitting component and the window cover. Through setting up the gasket, not only can be so that the fixed of light-transmitting part is more firm, avoid taking place to rock or shake in the use, can play effects such as reinforcing is sealed moreover, dustproof, shock attenuation and waterproof to can effectively protect inside laser head.

Preferably, the gasket is a rubber gasket or a silica gel gasket.

Compared with the prior art, use the utility model provides a pair of laser striping machine has following beneficial effect:

1. this laser striping machine, simple structure, compactness, the position of breakpoint in regulation laser projection line that the user can be convenient not only is favorable to using more conveniently, high-efficient, can avoid putting again and debugging laser striping machine moreover to can effectively reduce the error, improve the precision.

2. This laser line marking appearance, structural design is reasonable, can assemble and dismantle by the efficient between window cover and the casing to later maintenance.

3. The laser line marking instrument can effectively solve the positioning problem of the restraining component, so that the restraining component can be accurately and efficiently clamped into a preset position.

4. In this laser striping machine, the window cover can be conveniently, efficiently assembled or assembled together, and has good effects such as sealing, dustproof, shock attenuation and waterproof, can effectively protect inside laser head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a laser line marking device provided in embodiment 1 of the present invention.

Fig. 2 is a second schematic structural diagram of a laser line marking apparatus provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a laser striping machine provided in embodiment 1 of the present invention, when two constraining members are fitted together.

Fig. 4 is a schematic structural diagram of a window frame in a laser line marker provided in embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a window cover in a laser line marking device provided in embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a laser line marking apparatus provided in embodiment 1 of the present invention after a window cover is fitted with two constraining members.

Fig. 7 is a rear view of fig. 6.

Fig. 8 is a view a-a of fig. 7.

Description of the drawings

A shell 100, a positioning groove 101, a connecting hole 102, a laser window 103, a laser head 104,

A restricting member 200, a connecting portion 201, a through hole 202, a projection 203,

The window comprises a window cover 300, a window frame 301, a base 302, a connecting column 303, a laser channel 304, a clamping groove 305, a light-transmitting component 306, a window cover 307, a bolt 308, a groove 309, a limiting groove 310 and a gasket 311.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 8, in the present embodiment, a laser striping machine is provided, which includes a housing 100, the housing 100 may adopt an existing shape, for example, a rectangular parallelepiped structure may be preferentially adopted, as shown in fig. 1 and 2, the housing 100 is provided with a laser window 103 for emitting laser and a window cover 300 for covering the laser window 103, the window cover 300 is movably disposed on the housing 100 and can rotate relative to the housing 100, as shown in the figure, the number of the laser windows 103 and the window covers 300 may be determined according to actual requirements, generally may be 1 to 3, as an example, as shown in fig. 1 and 2, in the present embodiment, the housing 100 is provided with three laser windows 103, one window cover 300 is movably disposed at each of the three laser windows 103, and the three window covers 300 are respectively disposed on three surfaces of the housing 100, which are perpendicular to each other, as shown in fig. 1 and 2, so that the laser projection lines transmitted from the three window covers 300 may be perpendicular to each other; in this embodiment, a window cover 300 activity that is used for supplying the laser line to penetrate sets up in casing 100, and have the degree of freedom for casing 100 pivoted, in the in-service use process, after this laser striping machine put the position department of setting for and debugged each laser projection line, if the breakpoint of laser projection line just in time throws in the position department that needs work (if need mark), the user only need rotate window cover 300 can effectively change the position of breakpoint, so that the breakpoint can deviate the position that needs work, thereby make laser striping machine can normally work, in this process, need not to put again and debug laser striping machine, and not only it is more convenient to use, high-efficient, and can reduce the error, improve the precision.

Preferably, the window cover 300 and the housing 100 may form a rotation pair, and the window cover 300 may rotate relative to the housing 100 by a set angle, that is, the rotation angle of the window cover 300 may be determined according to actual requirements, for example, the window cover 300 may rotate relative to the housing 100 within a range of 90 degrees, the window cover 300 may rotate relative to the housing 100 within a range of 180 degrees, the window cover 300 may rotate relative to the housing 100 within a range of 360 degrees, and the like, so that a user may conveniently adjust the position of a break point on the laser projection line according to actual requirements.

In order to facilitate efficient assembly and disassembly between the window cover 300 and the housing 100, in a further aspect, the laser striping machine further comprises at least two constraining members 200, wherein the constraining members 200 are respectively detachably mounted to the housing 100 and constrain the window cover 300 to the housing 100. In this embodiment, the constraining member 200 is used to constrain and fix the housing 100, and the constraining member 200 is detachably fixed to the housing 100, so as to facilitate the rapid installation and disassembly of the window cover 300, and facilitate the production, assembly, and post-maintenance and replacement.

In the present embodiment, the structure of the window cover 300 may be the same as that of the existing window cover 300, except that the window cover 300 provided in the present embodiment may be modified based on the existing window cover 300 to be suitable for the movable connection, rather than the fixed connection in the prior art; in order to realize the movable connection, as a preferred embodiment, as shown in fig. 4 to 8, a laser channel 304 for passing a laser beam is disposed on one side of the window cover 300, a slot 305 is formed in a circumferential direction of the laser channel 304, the slot 305 may be a ring structure, as shown in fig. 5, 7 and 8, one end of the restriction member 200 is snapped into the slot 305, and the other end is detachably fixed to the housing 100; not only can the window cover 300 be restrained, but also the window cover 300 can be rotated within a range of 360 degrees relative to the restraining part 200; the other end of the restricting member 200 is fixed to the housing 100, so that the window cover 300 can be fixed to the housing 100 only, and cannot fall off the housing 100.

As another preferred embodiment, a laser channel 304 for passing a laser beam is disposed on one side of the window cover 300, at least two clamping grooves 305 are disposed in the circumferential direction of the laser channel 304, the clamping grooves 305 are arc-shaped structures, one end of the constraining member 200 is respectively clamped into the clamping grooves 305, and the other end is respectively detachably fixed to the housing 100; for example, three clamping grooves 305 with arc-shaped structures are uniformly arranged in the circumferential direction of the laser channel 304, the number of central angles corresponding to the clamping grooves 305 can be determined according to actual requirements, one clamping groove 305 corresponds to one constraint component 200, at least two clamping grooves 305 and a corresponding number of constraint components 200 are arranged in the circumferential direction of the window cover 300, so that the window cover 300 can be constrained in the circumferential direction, the window cover 300 can also rotate relative to the constraint components 200, and the rotation angle of the window cover 300 is smaller than the number of central angles corresponding to the clamping grooves 305 with arc-shaped structures; the other end of the restricting member 200 is fixed to the housing 100, so that the window cover 300 can be fixed to the housing 100 only, and cannot fall off the housing 100.

In order to realize the detachable connection of the restriction member 200, preferably, the housing 100 is provided with a plurality of connection holes 102, and each connection hole 102 is disposed along the circumferential direction of the laser window 103, as shown in fig. 2 and 3, the restriction member 200 is provided with a plurality of through holes 202 adapted to the connection holes 102, so as to align by the cooperation of the through holes 202 and the connection holes 102, and the detachable connection can be realized by using bolts 308.

In order to facilitate the engagement of the constraining member 200 in the slot 305, as a preferred embodiment, the constraining member 200 includes a connecting portion 201 for cooperating with the housing 100 and a protrusion 203 configured on the connecting portion 201, the through hole 202 is disposed on the connecting portion 201, and the protrusion 203 is adapted to the slot 305 for engaging in the slot 305; so as to achieve the engagement of the restricting member 200 with the slot 305. The shape of the connecting portion 201 may be determined according to actual requirements, and is mainly used for connecting the housing 100, as shown in fig. 3, 6, 7 and 8, preferably, in an embodiment, the connecting portion 201 includes two constraining members 200, and the connecting portion 201 is a plate-like structure, the connecting portion 201 is respectively configured with a notch having a semicircular structure, the protrusion 203 is configured on a side wall of the notch, after the connecting portions 201 of the two constraining members 200 are butted together, the circular notch may be spliced, and the protrusion 203 configured on the notch may just be snapped into a corresponding snap slot 305, as shown in fig. 1, 2, 6, 7 and 8, so as to constrain and fix the window cover 300, so that the window cover 300 may rotate within a range of 360 degrees relative to the housing 100.

The protrusion 203 has various embodiments, and preferably, the protrusion 203 may have a semicircular ring structure, as shown in fig. 3, so that the two connecting portions 201 can be jointed together to form a ring-shaped protrusion 203, which is more convenient to match with the notch of the ring-shaped structure.

In order to avoid the rotation of the window cover 300 in the using process, in a more perfect scheme, a certain extrusion force is provided between the constraint component 200 and the clamping groove 305 and/or between the window cover 300 and the housing 100, the extrusion force is distributed along the central axis direction of the laser window 103, the extrusion force can be generated by reasonably setting size parameters, and can also be generated by arranging an elastic gasket 311 between the protrusion 203 and the clamping groove 305 or between the housing 100 and the window cover 300, and by utilizing the extrusion force, the friction force when the window cover 300 rotates can be effectively increased, so that the window cover 300 can be effectively prevented from rotating by itself, for example, the rotation can be generated by itself under the action of the gravity, and the like.

Example 2

In order to solve the problem of positioning the restricting member 200, the main difference between the present embodiment 2 and embodiment 1 is that, in the laser striping machine provided in the present embodiment, the housing 100 is provided with a positioning slot 101, and the shape of the connecting portion 201 is adapted to the positioning slot 101, and since the shape of the connecting portion 201 is adapted to the shape of the positioning slot 101, as the same, when the restricting member 200 is installed, the connecting portion 201 is simply snapped into the corresponding positioning groove 101, that is, the constraining member 200 can be positioned so that the protrusion 203 formed on the connecting portion 201 can be inserted into the slot 305 at a predetermined depth and a predetermined position, thereby effectively solving the problem of positioning the constraining member 200, as shown in fig. 1 and 2, in this embodiment, the positioning groove 101 has a rectangular structure, and the two connecting portions 201 of the two constraining members 200 can be just spliced into the rectangular structure so as to be matched with the positioning groove 101.

Similarly, in another scheme, the connecting portion 201 is configured with the positioning protrusion 203 adapted to the positioning groove 101, so that when the constraining member 200 is installed, the positioning protrusion 203 is only required to be clamped into the corresponding positioning groove 101, and the constraining member 200 can be positioned, so that the protrusion 203 configured to the connecting portion 201 can be clamped into the predetermined depth and the predetermined position of the clamping groove 305, and the constraining member 200 can be quickly and accurately positioned.

Example 3

In order to solve the assembly and assembly problems of the window cover 300, the main difference between the present embodiment 3 and the embodiment 1 or 2 is that, in the laser line striping machine provided in the present embodiment, the window cover 300 includes a window frame 301, a light-transmitting component 306 and a window cover 307, as shown in fig. 4-8, the window frame 301 includes a base 302 and at least three connecting posts 303 configured on the same side of the base 302, the window cover 307 is detachably fixed to the connecting posts 303, and at least three windows for passing laser lines are defined on the side of the window frame 301, for example, in the present embodiment, the base 302 is provided with four connecting posts 303, and the window cover 307 is fixed to the connecting posts 303 through bolts 308, as shown in fig. 6, so as to define four windows;

the light-transmitting component 306 is disposed between the base 302 and the window cover 307, and closes the window, so that the base 302, the light-transmitting component 306 and the window cover 307 together enclose a closed inner cavity, so as to accommodate the conical reflector, and the laser beam inside the window cover 300 can exit the window through the light-transmitting component 306, so as to form a laser transmission line on the ground or wall;

the laser channel 304 is disposed on the base 302 and is communicated with the internal cavity, and the slot 305 is configured on the base 302 and is located on a side of the base 302 away from the internal cavity, as shown in fig. 5-8, in this embodiment, the window cover 300 includes a window frame 301, a light-transmitting component 306 and a window cover 307, the light-transmitting component 306 is restrained and fixed by the detachable connection of the window frame 301 and the window cover 307, and the three components can form a whole and are movably connected to the housing 100 by the slot 305, so that the window cover 300 can rotate as a whole to effectively adjust the position of the break point of the laser projection line.

In this embodiment, the window frame 301 and/or the window cover 307 may be made of plastic or metal, and in this embodiment, preferably, both the window frame 301 and the window cover 307 may be formed by aluminum die casting for rapid forming.

In order to facilitate the installation and fixation of the transparent component 306, in a further aspect, the base 302 and/or the window cover 307 is provided with a groove 309 for constraining the transparent component 306, and the inner side of the connecting column 303 is provided with a limiting groove 310, the limiting groove 310 is connected to the groove 309 provided on the base 302, as shown in fig. 4 and 8, the limiting groove 310 of each connecting column 303 is used for guiding and limiting the transparent component 306 during the process of assembling the transparent component 306, so that the transparent component 306 can be clamped into the groove 309 of the base 302 along the limiting groove 310, thereby achieving the purpose of rapidly assembling the transparent component 306, and the transparent component 306 clamped into the groove 309 can be firmly fixed between the base 302 and the window cover 307 under the common constraint of the limiting groove 310 and the groove 309, which can effectively prevent the transparent component from falling off during use.

For firmly fixing the light-transmitting component 306, in a further aspect, a gasket 311 is disposed between the light-transmitting component 306 and the base 302, and/or a gasket 311 is disposed between the light-transmitting component 306 and the window cover 307, as shown in fig. 8; through setting up gasket 311, not only can be so that the fixed of light-transmitting component 306 is more firm, avoid taking place to rock or shake in the use, can play moreover the reinforcing sealed, dustproof, shock attenuation and effect such as waterproof to can effectively protect inside laser head 104.

Preferably, the gasket 311 may be a rubber gasket 311 or a silicone gasket 311.

It is understood that, in this embodiment, the light-transmitting component 306 may be optical glass, light-transmitting plastic, etc., and will not be described herein.

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

Claims

1. The laser striping machine is characterized by comprising a shell, wherein the shell is provided with a laser window used for emitting laser and a window cover used for covering the laser window, and the window cover is movably arranged on the shell and can rotate relative to the shell.

2. The laser striper of claim 1, wherein the window shield forms a revolute pair with the housing and is rotatable relative to the housing by a set angle.

3. The laser striper of claim 1, further comprising at least two restraining members removably mounted to the housing and restraining the window shield to the housing.

4. The laser striping machine of claim 3, wherein a laser channel for passing a laser beam is arranged on one side of the window cover, a clamping groove is arranged in the circumferential direction of the laser channel, the clamping groove is of an annular structure, one end of the constraint component is clamped into the clamping groove, and the other end of the constraint component is detachably fixed on the shell;

or the like, or, alternatively,

one side of window cover is provided with the laser passageway that is used for passing through the laser beam, the circumferencial direction of laser passageway is provided with two at least draw-in grooves, the draw-in groove is arc-shaped structure, the one end card of restraint part is gone into respectively in the draw-in groove, the other end detachable respectively is fixed in the casing.

5. The laser striping machine of claim 4, wherein the housing is provided with a plurality of attachment holes, and each attachment hole is arranged along a circumferential direction of the laser window, respectively, and the restriction member is provided with a plurality of through holes fitted to the attachment holes.

6. The laser striping machine of claim 5, wherein the constraining member comprises a connecting portion for mating with the housing and a protrusion configured on the connecting portion, the through hole is provided on the connecting portion, and the protrusion is adapted to the slot for being engaged in the slot.

7. The laser striping machine of claim 6, wherein two of the restricting members are included, and the connecting portions are plate-like structures, the connecting portions are respectively configured with notches of semicircular structures, and the protrusions are configured on side walls of the notches.

8. The laser striper of claim 6, wherein the housing is provided with a positioning groove, and the connecting portion is shaped to fit the positioning groove;

or the like, or, alternatively,

the connecting part is provided with a positioning bulge matched with the positioning groove.

9. The laser striping machine of any one of claims 4-8, wherein the window housing comprises a window frame, a light-transmissive member and a window cover, the window frame comprising a base and at least three attachment posts configured on the same side of the base, the window cover being removably attached to the attachment posts and enclosing at least three windows for passage of laser light on the sides of the window frame,

the laser channel is arranged on the base and communicated with the internal cavity, and the clamping groove is formed in the base and located on one side, far away from the internal cavity, of the base.

10. The laser striping machine of claim 9, wherein the base and/or the window cover are provided with a groove for constraining the light-transmitting member, and the inner side of the connecting column is provided with a limiting groove connected with the groove provided on the base.