A rearview structure of a safety helmet

Abstract

This application discloses a rear-view structure for a safety helmet, belonging to the technical field of rear-view devices. It includes a rear-view component disposed on the safety helmet, comprising a shell, a first reflector, and a second reflector. The shell is disposed on the top of the safety helmet, with an image collection port at the top and an image display port at the bottom. An image transmission channel connecting the image collection port and the image display port is disposed inside the shell. The first reflector is installed inside the shell and positioned near the image display port, and the second reflector is also installed inside the shell and positioned near the image collection port. This application facilitates the user's viewing of the environment behind the safety helmet.

Description

Technical Field

[0001] This application relates to the field of rear-view devices, and more particularly to a rear-view structure for a safety helmet. Background Technology

[0002] Most existing safety helmets feature protective structures to enhance user safety and are suitable for environments such as cycling, sports, or factories. However, the design of existing safety helmets can obstruct the user's ability to turn their head and check their surroundings, making it difficult to see what's behind them.

[0003] For example, when riding a bicycle, after wearing a helmet, which is usually equipped with a protective visor to prevent sand and dust from blowing into the eyes, users usually need to lift the visor and turn their heads to check the environment behind them to ensure safety. This process is cumbersome and makes it difficult for users to pay attention to the situation in front of them, making it inconvenient to use. Utility Model Content

[0004] To facilitate users' viewing of the environment behind their helmets, this application provides a rear-view structure for helmets.

[0005] In a first aspect, this application provides a rear-view structure for a safety helmet, employing the following technical solution:

[0006] A rearview structure for a safety helmet includes a rearview assembly disposed on the safety helmet. The rearview assembly includes a shell, a first reflector, and a second reflector. The shell is disposed on the top of the safety helmet, and an image collection port is provided on the top of the shell. An image display port is provided on the bottom of the shell. An image transmission channel connecting the image collection port and the image display port is provided inside the shell. The first reflector is installed inside the shell and is disposed near the image display port. The second reflector is installed inside the shell and is disposed near the image collection port.

[0007] By adopting the above technical solution, during actual use, the scene behind the helmet is gathered to the second reflector through the image collection port. The scene received by the second reflector is reflected to the first reflector through the image transmission channel. The scene received by the first reflector is finally displayed through the image display port for the user's viewing. This allows the user to quickly observe the scene behind from the perspective of the front, enabling the user to simultaneously take into account both the front and rear scenes, improving driving safety and ease of use.

[0008] Optionally, the angle between the first reflector and the axis of the outer casing is 45 degrees, and the first and second reflectors are symmetrically arranged about the axis of the length direction of the outer casing.

[0009] By adopting the above technical solution, it is easy to maximize the utilization of light within the limited space of the shell, reduce light loss, and optimize the visual effect of the scene displayed through the image display port.

[0010] Optionally, both the image collection port and the image display port are equipped with protective lenses.

[0011] By adopting the above technical solution, the protective lens plays a protective role for the first and second reflectors. On the one hand, it helps to ensure the cleanliness of the first and second reflectors, and on the other hand, it makes it less likely that the first and second reflectors will fall outside the casing and cause damage to the user in the event of accidental breakage.

[0012] Optionally, the outer shell has a rectangular cross-section, and the safety helmet has a mounting groove that matches the shape of the outer shell, and the outer shell is mounted in the mounting groove.

[0013] By adopting the above technical solution, the mounting groove is designed to position the shell during installation, making it easy to quickly install the shell to the position where it is fixed with the safety helmet. At the same time, the rectangular cross-section of the shell makes it less likely to rotate around its own axis after installation, which helps to fully ensure the stability of the shell's position after installation.

[0014] Optionally, the thickness of the outer shell is 1 to 3 cm, and the width of the outer shell is 4 to 8 cm.

[0015] By adopting the above technical solution, it is possible to maximize the presentation of the view behind the safety helmet while ensuring its performance.

[0016] Optionally, the safety helmet has a latch, and the side wall of the outer shell is provided with a latching block. The latching block is elastic and engages with the latch.

[0017] By adopting the above technical solution, the outer shell and the safety helmet can be installed or removed by inserting or removing the locking block. The user can easily and quickly install or remove the outer shell, which facilitates the subsequent inspection and maintenance of the outer shell.

[0018] Optionally, a convex lens is provided in the image transmission channel, and the convex lens is located between the first reflecting mirror and the second reflecting mirror.

[0019] By adopting the above technical solution, the size or viewing angle of the scene presented by the first reflecting mirror can be easily adjusted through the setting of the convex lens, thereby making it easier for users to observe the scene behind them more intuitively.

[0020] Optionally, two convex lenses are provided, and the two convex lenses are distributed along the length direction of the image transmission channel.

[0021] By adopting the above technical solution, the arrangement of the two convex lenses facilitates the precise adjustment of the light reflection angle, thereby further improving the clarity of the image seen through the first reflecting mirror.

[0022] Optionally, the surface of the second reflector is convex.

[0023] By adopting the above technical solution, the second reflector can receive and transmit a wider field of view, enabling it to see a larger range of external scenes and further reduce blind spots.

[0024] Secondly, this application also provides a safety helmet, the main feature of which is the rear-view structure of the safety helmet including the above-mentioned solution.

[0025] By adopting the above technical solution, during the actual use of the safety helmet, the user can quickly observe the scene behind from the perspective of the front, so that the user can take into account both the scene in front and behind at the same time, which improves driving safety and makes it easier to use.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. The view behind the helmet is gathered to the second reflector through the image collection port. The view received by the second reflector is reflected to the first reflector through the image transmission channel. The view received by the first reflector is finally displayed through the image display port for the user's viewing. This allows the user to see both the view in front and behind at the same time, improving driving safety and ease of use.

[0028] 2. The protective lens serves to protect the first and second reflectors. On the one hand, it helps to ensure the cleanliness of the first and second reflectors. On the other hand, it prevents the first and second reflectors from falling outside the casing and causing damage to the user in the event of accidental breakage.

[0029] 3. The mounting slot is designed to position the shell during installation, making it easy to quickly install the shell into the position where it will be fixed to the safety helmet. At the same time, it prevents the shell from rotating around its own axis after installation, which helps to ensure the stability of the shell's position after installation. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this application.

[0031] Figure 2 This is a schematic diagram of the overall structure of Embodiment 2 of this application.

[0032] Figure 3 This is a schematic diagram of the overall structure of Embodiment 3 of this application.

[0033] Figure 4 This is a schematic diagram of the overall structure of Embodiment 4 of this application.

[0034] Figure 5 This is a schematic diagram of the internal structure of the outer shell in Embodiment 4 of this application.

[0035] Figure 6 This is a schematic diagram of the overall structure of Embodiment 5 of this application.

[0036] Figure 7 This is a schematic diagram of the internal structure of the outer shell in Embodiment 5 of this application.

[0037] Figure 8 This is a schematic diagram of the overall structure of Embodiment 6 of this application.

[0038] Figure 9 This is a schematic diagram of the internal structure of the outer shell in Embodiment 7 of this application.

[0039] Explanation of reference numerals in the attached figures:

[0040] 101. Hat body; 102. Protective cover; 103. Rearview assembly; 104. Outer shell; 105. First reflector; 106. Transmission lens; 107. Second reflector; 108. Image collection port; 109. Image display port; 11. Image transmission channel; 110. Image transmission channel one; 111. Image transmission channel two; 112. Locking block; 113. Bayonet; 114. Mounting slot; 115. Protective lens; 116. Convex lens; 117. Trapezoidal prism. Detailed Implementation

[0041] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0042] This application discloses a rear view structure of a safety helmet.

[0043] Example 1.

[0044] Reference Figure 1 As shown, this embodiment provides a rear-view structure for a safety helmet, including a rear-view component disposed on the safety helmet. The safety helmet includes a helmet body 101, a protective cover 102 disposed on the helmet body 101, and a protective pad (not shown in the figure) disposed inside the helmet body 101.

[0045] In the above embodiment, the protective cover 102 on the hat body 101 is hinged to both sides of the hat body 101 and can be flexibly adjusted for use. The protective pad can improve the comfort of the user wearing the hat body 101.

[0046] The top of the hat body 101 is provided with a rearview component 103, which includes a housing 104, a first reflector 105, a transmission lens 106, and a second reflector 107. The top of the housing 104 is provided with an image collection port 108, and the bottom of the housing 104 is provided with an image display port 109. The inside of the housing 104 is provided with an image transmission channel 11, which includes an image transmission channel one 110 and an image transmission channel two 111. The image collection port 108 faces the rear of the hat body 101, and the image display port 109 extends downward to the front brim of the hat body 101 and faces the rear of the hat body 101.

[0047] The outer shell 104 in the above embodiment is hollow inside to provide image transmission channel one 110 and image transmission channel two 111. The inner sidewalls of image transmission channel one 110 and image transmission channel two 111 are smooth to ensure stable light transmission.

[0048] Continue to refer to Figure 1 One end of the image transmission channel 110 is connected to the image collection port 108. A second reflector 107 is inclinedly arranged on the inner side wall of the bend of the image transmission channel 110. The other end of the image transmission channel 110 is connected to one end of the image transmission channel 111. The other end of the image transmission channel 111 is connected to the image display port 109. A first reflector 105 is arranged on the bend of the image transmission channel 111. A transmission lens 106 is arranged at the image collection port 108.

[0049] In the above embodiment, the transmission lens 106 serves to converge the image. The outer shell 104 of the rearview structure has a bent portion according to the top curvature of the hat body 101 to fit snugly against the top of the hat body 101. The interior of the outer shell 104 is hollow to accommodate image transmission channel one 110 and image transmission channel two 111. Since the image collection port 108 faces rearward, a second reflector 107 is provided at the bent portion at the top of image transmission channel one 110. This allows the second reflector 107 to receive and reflect the rear view collected and converged by the transmission lens 106. The light is reflected to the first reflector 105, which then displays the image through the image display port 109 for the user to view. This achieves the purpose of providing the user with a rear view directly in front of them, allowing the user to simultaneously see both the front and rear views, thus improving driving safety. In this embodiment, both the first reflector 105 and the second reflector 107 are selected as plane mirrors. To ensure efficient light utilization and reduce light loss, the angle between the first reflector 105 and the axis of the outer casing 104 is 45 degrees, and the angle between the second reflector 107 and the axis of the outer casing 104 is 135 degrees. That is, the first reflector 105 and the second reflector 107 are symmetrically arranged about the axis of the length of the outer casing.

[0050] Example 2.

[0051] Reference Figure 2 As shown, this embodiment provides a rear-view structure for a safety helmet, including a rear-view component disposed on the safety helmet. The safety helmet includes a helmet body 101, a protective cover 102 disposed on the helmet body 101, and a protective pad disposed inside the helmet body 101. The protective cover 102 on the helmet body 101 is hinged to both sides of the helmet body 101 and can be flexibly adjusted for use. The protective pad can improve the comfort of the user wearing the helmet body 101. A latch 113 is disposed on the top of the helmet body 101, and a latch 112 is disposed on the side wall of the outer shell 104. The latch 112 is elastic, and the outer shell 104 is engaged with the latch 113 through the latch 112. The engagement of the latch 112 and the latch 113 is detachable and assembleable, which facilitates the disassembly and maintenance of the rear-view structure.

[0052] Example 3.

[0053] Reference Figure 3 This embodiment provides a rear-view structure for a safety helmet, including a rear-view assembly disposed on the safety helmet. The safety helmet includes a helmet body 101, and a protective cover 102 is hinged to the helmet body 101. The rear-view assembly includes a shell 104, a first reflector 105, and a second reflector 107. The shell 104 is disposed on the top of the helmet body 101. Specifically, the shell 104 has a rectangular cross-section, and the top of the safety helmet has a mounting groove 114 that matches the shape of the shell 104. The mounting groove 114 serves to position the shell 105 during installation, facilitating the quick installation of the shell 104 to the position where it is fixed to the helmet body 101.

[0054] The thickness of the outer shell is 1 to 3 cm. In this embodiment, the thickness of the outer shell 104 is 2 cm. The width of the outer shell 104 is 4 to 8 cm. In this embodiment, the thickness of the outer shell 104 is 5 cm. This is to maximize the observation of the scene behind the helmet while ensuring the helmet's performance.

[0055] Continue to refer to Figure 3 Furthermore, each of the two groove walls opposite the mounting groove 114 is provided with a slot 113, and the side wall of the outer shell is fixedly provided with a locking block 112 corresponding to the slot 113. The locking block 112 is elastic and engages with the slot 113. By locking the locking block 112 into or out of the slot 113, the outer shell 104 can be installed or removed from the safety helmet. The user can easily and quickly install or remove the outer shell 104, which facilitates the subsequent inspection and maintenance of the outer shell 104.

[0056] An image collection port 108 is provided at the top of the housing 104, and an image display port 109 is provided at the bottom of the housing 104. An image transmission channel 11 is provided inside the housing 104 to connect the image collection port 108 and the image display port 109. A first reflector 105 is installed inside the housing 104 and is positioned close to the image display port 109, and a second reflector 107 is installed inside the housing 104 and is positioned close to the image collection port 108. In this embodiment, both the first reflector 105 and the second reflector 107 are selected as plane mirrors, and the angle between the first reflector 105 and the axis of the housing 104 is 45 degrees, while the angle between the second reflector 107 and the axis of the housing 104 is 135 degrees. That is, the first reflector 105 and the second reflector 107 are symmetrically arranged about the axis of the length direction of the housing 104 to ensure the utilization rate of light and reduce light loss.

[0057] To protect the first reflector 106 and the second reflector 107, both the image collection port 108 and the image display port 109 are equipped with protective lenses 115. The protective lenses 115 help to ensure the cleanliness of the first reflector 105 and the second reflector 107, and also prevent the first reflector 105 and the second reflector 107 from falling outside the housing 104 and causing damage to the user in the event of accidental breakage.

[0058] The implementation principle of Embodiment 3 of this application is as follows: In actual use, the scene behind the safety helmet is converged to the second reflector 107 through the image collection port 108. The scene received by the second reflector 107 is reflected to the first reflector 105 through the image transmission channel 11. The scene received by the first reflector 105 is finally displayed through the image display port 109 so that the user can view it, thereby achieving the purpose of the user quickly observing the scene behind from the perspective of the front.

[0059] Example 4.

[0060] Reference Figure 4 and Figure 5 The main difference between this embodiment and embodiment 3 is that a convex lens 116 is also provided in the image transmission channel 11, and the convex lens 116 is located between the first reflecting mirror 105 and the second reflecting mirror 107. Due to the light-gathering effect of the convex lens 116, it is convenient to adjust the size or viewing angle of the scene presented by the first reflecting mirror 105, thereby making it easier for users to observe the scene behind them more intuitively.

[0061] Example 5.

[0062] Reference Figure 6 and Figure 7The main difference between this embodiment and embodiment 3 is that a convex lens 116 is also provided in the image transmission channel 11. In this embodiment, the number of convex lenses 116 is set to two, which are distributed along the length of the image transmission channel 11 and respectively close to the first reflecting mirror 105 and the second reflecting mirror 107. The arrangement of the two convex lenses 116 facilitates further precise adjustment of the light reflection angle, thereby further improving the clarity of the image seen through the first reflecting mirror 105.

[0063] Example 6.

[0064] Reference Figure 8 The main difference between this embodiment and embodiment 3 is that the mirror surface of the second reflector 107 is convex, that is, the second reflector 107 is selected as a convex mirror. The distance between the central convex part of the second reflector 107 and the edge of the second reflector 107 along its own axis is 1 to 3 mm. In this embodiment, the distance between the central convex part of the second reflector 107 and the edge of the second reflector 107 is set to 1 mm, so that the second reflector 107 can receive and transmit a wider field of view, allowing the user to see a wider range of external scenes and further reducing blind spots.

[0065] Example 7.

[0066] Reference Figure 8 The main difference between this embodiment and embodiment 3 is that a trapezoidal prism 117 is also provided in the image transmission channel 11, and the trapezoidal prism 117 is located between the first reflecting mirror 105 and the second reflecting mirror 107. Due to the refraction of light by the trapezoidal prism 117, it is convenient to finally realize the flipping and adjustment of the viewing angle of the scene presented by the first reflecting mirror 105, thereby making it convenient for users to observe the scene behind from different angles, and thus having strong applicability.

[0067] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A rear-view structure for a safety helmet, characterized in that: The device includes a rearview assembly mounted on a safety helmet. The rearview assembly includes a housing, a first reflector, and a second reflector. The housing is located on the top of the safety helmet and has an image collection port at the top and an image display port at the bottom. An image transmission channel connecting the image collection port and the image display port is located inside the housing. The first reflector is installed inside the housing and is positioned close to the image display port, and the second reflector is installed inside the housing and is positioned close to the image collection port.

2. The rear-view structure of a safety helmet according to claim 1, characterized in that: The angle between the first reflector and the axis of the outer shell is 45 degrees, and the first and second reflectors are symmetrically arranged about the axis of the length direction of the outer shell.

3. The rear-view structure of a safety helmet according to claim 1, characterized in that: Both the image collection port and the image display port are equipped with protective lenses.

4. The rear-view structure of a safety helmet according to claim 1, characterized in that: The outer shell has a rectangular cross-section, and the safety helmet has a mounting groove that matches the shape of the outer shell. The outer shell is mounted in the mounting groove.

5. The rear-view structure of a safety helmet according to claim 4, characterized in that: The thickness of the outer shell is 1 to 3 cm, and the width of the outer shell is 4 to 8 cm.

6. The rear-view structure of a safety helmet according to claim 1 or 4, characterized in that: The safety helmet has a latch, and the side wall of the outer shell is provided with a latch. The latch is elastic and engages with the latch.

7. The rear-view structure of a safety helmet according to claim 1, characterized in that: A convex lens is provided in the image transmission channel, and the convex lens is located between the first reflector and the second reflector.

8. The rear-view structure of a safety helmet according to claim 7, characterized in that: Two convex lenses are provided, and the two convex lenses are distributed along the length direction of the image transmission channel.

9. The rear-view structure of a safety helmet according to any one of claims 1-8, characterized in that: The mirror surface of the second reflector is convex.

10. A safety helmet, characterized in that: The rear-view structure of a safety helmet as described in any one of claims 1 to 9.

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