Protective cover for handheld laser marking machine
By designing a conical protective cover with a dark-colored translucent material layer and an illumination module on a handheld laser marking machine, the problem of direct visual observation of the laser through the observation window is solved, achieving a balance between observation effect and user protection, and improving safety and observation clarity.
Patent Information
- Application Number
- CN202520164432.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-24
AI Technical Summary
The observation window of existing handheld laser marking machines has a simple hollow structure, which makes it easy for users to directly look at the laser when observing the marking position, resulting in poor protection.
Design a conical protective cover, using a dark-colored translucent material layer and an illumination module. The observation window is set as a trapezoid with an area ratio of 0.55 to 0.7 to ensure structural strength and observation effect. The lighting is controlled by a control module.
It effectively reduces the intensity of laser radiation, protects the user's eyesight, and ensures that the marking position is clearly visible, thus improving the observation effect and the safety of use.
Smart Images

Figure CN223848346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of laser marking machine, concretely relates to a protective cover for hand -held laser marking machine. BACKGROUND
[0002] The hand -held laser marking machine is a kind of hand -held equipment, it is moved to the target position needing marking by the way of hand -held with marking module, then marking machine is completed marking by the way of laser marking at target position, and hand -held marking machine can reach marking position or adjust marking position quickly by the way of moving marking head to target position, compared with traditional marking machine, it is more flexible to use.
[0003] The light head of general hand -held marking machine is equipped with protective cover, the protective cover can control the distance between light head and marking surface, control the smoke produced by marking to scatter and prevent the line of sight or limbs of user from contacting with marking laser, general scheme, for example, the hand -held laser marking machine disclosed in Chinese patent CN219465082U includes laser marking head support, the bottom of laser marking head support is equipped with laser output field mirror and distance probe, distance probe is located in the side of laser output field mirror, the bottom of laser marking head support is equipped with laser focusing cover, laser focusing cover wraps laser output field mirror and distance probe, the side of laser marking head support is equipped with laser marking head handle, and starting switch is arranged on laser marking head handle;
[0004] In the above structure, the line of sight or limbs of user is prevented from contacting with marking laser by setting focusing cover or protective cover, and observation window is arranged on it, which facilitates user to observe the condition of marking position, however, the observation window is simple hollow structure, and user still has the probability of directly visualizing laser, and the protection effect is poor, therefore, a protective cover for hand -held laser marking machine is required, which considers observation effect and protection effect of user. UTILITY MODEL CONTENTS
[0005] To solve the above problems in the prior art, the utility model provides a protective cover for hand -held laser marking machine, which has the characteristics of considering observation effect and protection effect of user.
[0006] The purpose of the utility model can be realized by the following technical schemes:
[0007] A protective cover for hand -held laser marking machine, including conical protective cover body, one end of conical protective cover body is detachably connected with marking machine body, control module is arranged on one end of conical protective cover body close to marking machine body, control module is electrically connected with marking machine body, and observation window is arranged on each side surface of conical protective cover and is hollowed out.
[0008] Any one of the observation windows is embedded with a dark light-transmitting material layer, and the control module is provided with an illuminating lamp at the lower side, which is electrically connected with the control module.
[0009] As a preferred technical scheme of the utility model, the marking machine body controls the start and stop of the illuminating lamp through the control module.
[0010] As a preferred technical scheme of the utility model, the area ratio of the observation window to the side surface of the conical protective cover is 0.55-0.7.
[0011] As a preferred technical scheme of the utility model, the control module is provided with an electrical contact point one near the handheld module side, the handheld module is provided with an electrical contact point two near the position of the control module, and the electrical contact point one and the electrical contact point two are electrically connected with each other when the conical protective cover is connected with the handheld module.
[0012] As a preferred technical scheme of the utility model, the shape of any one of the observation windows is trapezoidal.
[0013] The utility model has the advantages of:
[0014] (1) the dark light-transmitting material layer is arranged on the conical protective cover, and the illuminating module is arranged simultaneously, so that when the user observes the laser, the radiation and light intensity of the laser are weakened by the dark light-transmitting material layer, the observer is protected, and the illuminating module illuminates the marking position, so that the information of the marking position can be transmitted to the user outside the protective cover through the dark light-transmitting material layer, the weakening of the dark light-transmitting material layer to the observation of the marking position is offset, and the observation effect is ensured.
[0015] (2) the area ratio of the observation window to the side surface of the conical protective cover is 0.55-0.7, the proportion of the protective cover main body is ensured, the structural strength is ensured, the area of the observation window is considered, and the observation effect is ensured. DRAWINGS
[0016] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a sectional structure schematic view of the utility model;
[0019] In the drawings: 1, protective cover body; 11, control module; 12, illuminating lamp; 13, dark light-transmitting material layer. DETAILED DESCRIPTION
[0020] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine with the drawings and the preferred embodiments to specifically explain the specific implementation, structure, features and effects according to the utility model as follows.
[0021] Please refer to Figs. 1-2 The utility model discloses a protective cover for handheld laser marking machine, including conical protective cover body 1, conical protective cover body 1 one end is detachably connected with the marking machine body, and the one end of conical protective cover body 1 is close to the marking machine body and is provided with control module 11, control module 11 is electrically connected with the marking machine body, and each side of conical protective cover is hollow and is provided with observation window,
[0022] Any observation window is embedded with dark light -transmitting material layer 13, and the lower side of control module 11 is provided with illuminating lamp 12, and illuminating lamp 12 is electrically connected with control module 11.
[0023] Specifically, the conical shield is a quadrangular pyramid as a whole, and the conical shield comprises a hollow quadrangular platform as a shield main body, four trapezoids are formed around the hollow quadrangular platform, and four hollows are respectively arranged on the four trapezoids as observation windows.
[0024] By setting the shape of the observation window as a trapezoid, the edge trend of the observation window is consistent with the protective cover, the appearance is improved, the consistency of the thickness of the protective cover is ensured everywhere, and the structural strength is ensured.
[0025] The control module 11 is provided with an electrical contact point one on the side close to the handheld module, the handheld module is provided with an electrical contact point two at the position close to the control module 11, and the electrical contact point one and the electrical contact point two are electrically connected with each other when the conical shield and the handheld module are connected.
[0026] The control module 11 is a block structure arranged on the inner wall of the conical protective cover, and the control module 11 is provided with an electrical contact point one on the side close to the handheld module, and the setting position of the electrical contact point one ensures that the conical shield and the handheld module are matched when they are connected,
[0027] At this time, the handheld module of the marking machine body and the illuminating lamp 12 are electrically connected, and the start and stop of the illuminating lamp 12 are controlled through the control module 11.
[0028] When in use, during the printing process, the strong light emitted by the laser is weakened to a harmless level to the human eye when it passes through the dark light-transmitting material layer 13, and at the same time, the illuminating lamp 12 illuminates the marking position, and the visibility of the illuminated part is relatively prominent, the user can roughly observe the situation of the marking position through the dark light-transmitting material layer 13, the setting of the dark light-transmitting material layer 13 does not weaken the observation, and the observation can be completed without moving the conical protective cover or the handheld part.
[0029] By setting the deep color light-transmitting material layer 13 on the conical protective cover and setting the lighting module, when a user observes the laser, the radiation and light intensity of the laser are weakened by the deep color light-transmitting material layer 13, and the observer is protected, and meanwhile, the lighting module illuminates the marking position, so that the information with the marking position can be transmitted to the user outside the protective cover through the deep color light-transmitting material layer 13 more, the weakening of the deep color light-transmitting material layer 13 to the observation of the marking position is offset, and the observation effect is ensured.
[0030] Specifically, the area ratio of the observation window to the side surface of the conical protective cover is 0.55-0.7.
[0031] By setting the area ratio of the observation window to the side surface of the conical protective cover to 0.55-0.7, the proportion of the protective cover body is ensured, and then the structural strength is ensured, and meanwhile, the area of the observation window is considered, and the observation effect is ensured.
[0032] Specifically, the laser protection level of the deep color light-transmitting material layer 13 is OD4+.
[0033] The working principle and use process of the utility model are as follows:
[0034] In use, during the printing process, the strong light emitted by the laser is weakened to a harmless level to the human eye when passing through the deep color light-transmitting material layer 13, and meanwhile, the illuminating lamp 12 illuminates the marking position, and the visibility of the illuminated part is relatively prominent, the user can observe the marking position through the deep color light-transmitting material layer 13, the weakening of the deep color light-transmitting material layer 13 to the observation is prevented, and the observation can be completed without moving the conical protective cover or holding part.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above, however, the utility model is not limited, any person skilled in the art can make some changes or modifications to the equivalent embodiments within the scope of the technical scheme of the utility model, as long as the changes or modifications do not deviate from the technical scheme of the utility model, and the above embodiments are any brief introduction, modification, equivalent change and modification of the technical essence of the utility model, which still belong to the scope of the technical scheme of the utility model.
Claims
1. A hand-held laser marking machine shield characterized by: The application relates to a marking machine protective cover, which comprises a conical protective cover body, one end of the conical protective cover body being detachably connected with a marking machine body, a control module being arranged at one end of the conical protective cover body close to the marking machine body, the control module being electrically connected with the marking machine body, and each side of the conical protective cover being provided with an observation window in a hollowed-out mode. Each observation window is embedded with a dark light-transmitting material layer, and an illuminating lamp is arranged at the lower side of the control module and is electrically connected with the control module.
2. A protective cover for a handheld laser marking machine according to claim 1, characterized in that: The marking machine body controls the start and stop of the illuminating lamp through the control module.
3. A protective cover for a hand-held laser marking machine according to claim 1, characterized in that: The area ratio of the observation window to the side surface of the conical protective cover is 0.55-0.
7.
4. A protective cover for a hand-held laser marking machine according to claim 1, characterized in that: An electric contact point one is arranged on the side of the control module close to a handheld module, an electric contact point two is arranged on the handheld module close to the control module, and the electric contact point one and the electric contact point two are electrically connected with each other when the conical protective cover is connected with the handheld module.
5. A protective cover for a hand-held laser marking machine according to claim 1, characterized in that: The shape of each observation window is trapezoidal.
Citation Information
Patent Citations
Handheld laser marking machine
CN219465082U