Electric power inspection safety helmet
By introducing snap-fit mechanisms and sliding connections into the safety helmet for power line inspection, the problem of skin injuries caused by existing safety helmets being unable to fully cope with complex environments has been solved. This also enables convenient installation and removal of the protective components, improving the safety and ease of maintenance of power line inspections.
Patent Information
- Application Number
- CN202422705158.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing safety helmets are inadequate for fully protecting against lateral and downward hazards, as well as skin injuries caused by severe weather, during power line inspections, especially in complex or harsh environments. Furthermore, the protective components are not easy to repair or replace.
A safety helmet for power inspection was designed, which adopts a snap-fit mechanism and a sliding connection protective component, including a snap-fit block, a return spring, a guide rod and an adjustment handle. By adjusting the handle, the snap-fit block is engaged or disengaged from the snap-fit slot, so as to realize the convenient installation and removal of the protective component. The protective component is slidably connected to the support rod and includes a protective cloth and adhesive tape, providing multi-angle protection.
It improves the protective effect of safety helmets, especially the protection of exposed skin, facilitates the maintenance and replacement of protective components, and enhances safety and convenience in complex environments.
Smart Images

Figure CN223503769U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of safety helmet technology, and more specifically, to a safety helmet for power line inspection. Background Technology
[0002] During power line inspections, workers face various risks, especially in complex or harsh working environments, such as on slopes, in mountainous areas, or in extreme weather conditions. To protect the lives of inspection personnel, wearing appropriate safety equipment is essential, with safety helmets being one of the most basic and crucial pieces of personal protective equipment. Traditional safety helmets are designed to provide protection against direct head impacts, typically consisting of a robust outer shell and inner liner, effectively absorbing and dispersing impact forces to reduce head injury.
[0003] However, existing safety helmet designs have some limitations, especially in specific working environments. For example, when working on slopes, in addition to protecting against falling objects from above, it is also necessary to consider potential hazards from the sides and below, such as falling rocks and landslides. Furthermore, severe weather conditions such as rain, snow, and hail can also cause skin abrasions or other injuries. Existing safety helmets often only provide limited protection for the face and neck, and cannot comprehensively address these additional risk factors. Utility Model Content
[0004] The purpose of this utility model is to provide a power inspection safety helmet to solve the problem that the protective components of existing safety helmets are inconvenient to repair and replace in the background art.
[0005] To achieve the above objectives, the present invention provides a power inspection safety helmet, comprising a helmet shell, a brim, and a chin strap. The bottom side of the helmet shell is provided with a snap-fit frame via a snap-fit mechanism. A snap-fit groove is provided on the outer side of the snap-fit frame near the rear end. A support rod is centrally located inside the snap-fit frame. A protective component is slidably connected to the bottom of the support rod. The snap-fit mechanism includes a snap-fit block. Several return springs are provided on the outer side of the snap-fit block, and guide rods are fixedly connected to both ends of the outer side of the snap-fit block. Adjustment handles are fixedly connected to the sides of the two guide rods away from the snap-fit block.
[0006] Furthermore, the protective component includes a protective cloth and adhesive tape. The protective cloth is slidably connected to the support rod, and adhesive tape is provided at both ends of the protective cloth, which is corrugated.
[0007] Furthermore, the top of the protective cloth is provided with several limiting rings, and the limiting rings are sleeved on the support rod, with the limiting rings and the support rod being movably connected.
[0008] Furthermore, both the snap-fit frame and the support rod are arranged in a ring shape, and the support rod and the snap-fit frame are fixedly connected.
[0009] Furthermore, the snap-fit block is slidably connected to the inside of the cap shell on the side away from the brim, and the snap-fit block is arc-shaped.
[0010] Furthermore, one end of the snap-fit block is inclined, and the snap-fit block penetrates the cap and snaps into the snap-fit groove.
[0011] Furthermore, the end of the return spring away from the snap-fit block is fixedly connected to the inner wall of the cap.
[0012] Furthermore, the guide rod extends outward from the cap, and the adjustment handle is arc-shaped.
[0013] Furthermore, a cushioning pad is fixedly connected to the bottom of the cap.
[0014] The beneficial effects of this utility model include:
[0015] 1. This utility model achieves a retractable and adjustable protective component by setting a sliding connection protective component on the support rod. The retractable and adjustable protective component can protect the exposed skin of the inspection personnel, improving the protective effect of the safety helmet. On the other hand, by setting a snap-fit mechanism, the snap-fit block is moved by the adjustment handle and the return spring. When the snap-fit block snaps into the snap-fit slot, the snap-fit frame is fixed at the bottom of the helmet shell. When the snap-fit block separates from the snap-fit slot, the snap-fit frame can be removed from the bottom of the helmet shell. Compared with the prior art, the snap-fit mechanism can facilitate the installation and removal of the protective component, making the maintenance and replacement of the protective component more convenient. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments of this utility model will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of the structure of the power inspection safety helmet provided in this embodiment of the utility model;
[0018] Figure 2 A schematic diagram illustrating the structure of the protective cloth for power inspection safety helmets in use, provided in this embodiment of the utility model.
[0019] Figure 3 A cross-sectional structural diagram of the power inspection safety helmet provided for an embodiment of this utility model;
[0020] Figure 4 for Figure 3 Enlarged diagram of section A in the middle;
[0021] Figure 5 This is a schematic diagram of the snap-fit frame provided in an embodiment of the present utility model;
[0022] Figure 6 This is a schematic diagram of the snap-fit mechanism provided in an embodiment of the present utility model;
[0023] Icons: 1-Cap shell, 2-Snap-fit mechanism, 3-Chin strap, 4-Protective cloth, 5-Adhesive tape, 6-Snap-fit frame, 7-Snap-fit groove, 8-Support rod, 9-Cap brim, 10-Snap-fit block, 11-Reset spring, 12-Guide rod, 13-Adjustment handle. Detailed Implementation
[0024] The technical solutions of the present invention will now be described with reference to the accompanying drawings in the embodiments of the present invention.
[0025] It should be noted that similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. It should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0026] Please see Figures 1 to 6As shown, at least one embodiment of this disclosure provides a power inspection safety helmet, including a helmet shell 1, a brim 9, and a chin strap 3. The bottom side of the helmet shell 1 is provided with a snap-fit frame 6 via a snap-fit mechanism 2. A snap-fit groove 7 is provided on the outer side of the snap-fit frame 6 near its rear end. A support rod 8 is centrally located inside the snap-fit frame 6. A protective component is slidably connected to the bottom of the support rod 8. The snap-fit mechanism 2 includes a snap-fit block 10. A plurality of return springs 11 are provided on the outer side of the snap-fit block 10, and two... Guide rods 12 are fixedly connected to each end, and adjustment handles 13 are fixedly connected to the side of each guide rod 12 away from the snap-fit block 10. Specifically, the cap shell 1 is preferably made of high-strength material such as ABS or polycarbonate, which has good impact resistance. A snap-fit frame 6 is installed on the bottom side of the cap shell 1 through a snap-fit mechanism 2. The snap-fit frame 6 can be made of lightweight metal or plastic, and a snap-fit groove 7 is provided on its outer side near the rear end. A support rod 8 is fixed in the center of the inside of the snap-fit frame 6. The support rod 8 is made of metal. Made of a material, it should be strong enough to withstand the weight of the protective components and provide stable support. The protective components are installed on the support rod 8 via a sliding connection. The protective components can be sunshades, dust nets, or other types of protective covers to protect the exposed parts of the inspectors' faces, necks, etc. The protective components can be installed on the support rod 8 via slide rails, sliding sleeves, or other sliding mechanisms, so that the protective components can slide along the support rod 8 to achieve storage and unfolding functions. The snap-fit block 10 is installed inside the snap-fit frame 6, and several return springs 11 are provided on its outer side to provide elastic support. Guide rods 12 are fixed at both ends of the outer side of the snap-fit block 10. An adjustment handle 13 is fixed on the side of the guide rod 12 away from the snap-fit block 10. The adjustment handle 13 can be manually operated to move the snap-fit block 10. When it is necessary to fix the snap-fit frame 6 to the bottom of the cap shell 1, the snap-fit block 10 is pushed by the adjustment handle 13 to align it with the snap-fit groove 7 on the cap shell 1 and snap into place. Under the action of the return springs 11, the snap-fit block 10 is held in the position within the snap-fit groove 7. When it is necessary to remove the snap-fit frame 6, operate the adjustment handle 13 again to disengage the snap-fit block 10 from the snap-fit slot 7, and the snap-fit frame 6 can be easily removed.
[0027] This embodiment achieves a retractable and adjustable protective component by setting a sliding connection protective component on the support rod 8. The retractable and adjustable protective component can protect the exposed skin of the inspection personnel and improve the protective effect of the safety helmet. On the other hand, by setting a snap-fit mechanism 2, the snap-fit block 10 is moved by the adjustment handle 13 in conjunction with the return spring 11. When the snap-fit block 10 snaps into the snap-fit groove 7, the snap-fit frame 6 is fixed at the bottom of the helmet shell 1. When the snap-fit block 10 is separated from the snap-fit groove 7, the snap-fit frame 6 can be removed from the bottom of the helmet shell 1. Compared with the prior art, the snap-fit mechanism 2 can facilitate the installation and removal of the protective component, making the maintenance and replacement of the protective component more convenient.
[0028] Preferably, the protective assembly includes a protective fabric 4 and adhesive tape 5. The protective fabric 4 is slidably connected to the support rod 8. Adhesive tape 5 is provided at both ends of the protective fabric 4, and the protective fabric 4 is corrugated. The top end of the protective fabric 4 is provided with several limiting rings (not shown in the figure), and the several limiting rings are sleeved on the support rod 8, with the limiting rings movably connected to the support rod 8. Specifically, the protective fabric 4 is preferably made of a lightweight, durable, and somewhat elastic material, such as nylon or polyester fiber. The corrugated design of the protective fabric 4 allows it to be folded up when not in use, reducing space occupation; and unfolded when in use, covering a larger area. The protective fabric 4 is equipped with several evenly spaced limiting rings at its top. The number and spacing of the limiting rings are determined based on the actual length of the protective fabric 4 and the length of the support rod 8. The limiting rings are fitted onto the support rod 8 and are movably connected to it. Their inner diameter is slightly larger than the outer diameter of the support rod 8 to ensure that they can slide freely on the support rod 8. Adhesive tape 5 is set at both ends of the protective fabric 4, usually with a hook side on one end and a fleece side on the other. The adhesive tape 5 is used to fix the protective fabric 4 in a proper position to ensure that it will not loosen during use. The height and tension of the protective fabric 4 can be adjusted as needed to obtain the best protective effect. In actual use, the limiting rings are first fitted onto the support rod 8, and then the protective fabric 4 is slidably connected to the support rod 8 through the limiting rings. The two ends of the protective fabric 4 are fixed by the adhesive tape 5 to ensure its stability and reliability during use.
[0029] Preferably, the snap-fit frame 6 and the support rod 8 are both arranged in a ring shape, the support rod 8 and the snap-fit frame 6 are fixedly connected, and the snap-fit block 10 is slidably connected to the inside of the cap shell 1 on the side away from the brim 9, and the snap-fit block 10 is arranged in an arc shape. Design of the snap-fit frame 6 and support rod 8: Specifically, the snap-fit frame 6 adopts a ring design, surrounding the bottom of the cap shell 1. The support rod 8 is also ring-shaped and fixed to the inner side of the snap-fit frame 6. The support rod 8 can be connected to the snap-fit frame 6 by welding, screw fixing, or other reliable methods. The snap-fit block 10 is arc-shaped, matching the curvature of the inside of the cap shell 1, ensuring that it can fit tightly against the inside of the cap shell 1 and slide smoothly. The snap-fit block 10 is slidably connected to the inside of the cap shell 1 on the side away from the brim 9 by a guide rail or slide groove mechanism. Several return springs 11 are provided on the outer side of the snap-fit block 10. One end of these return springs 11 is fixed to the snap-fit block 10, and the other end is fixed inside the cap shell 1. The function of the return springs 11 is to keep the snap-fit block 10 in its initial position when it is not subjected to external force. The two ends of the snap-fit block 10 are respectively A guide rod 12 is fixed, extending to the outside of the cap shell 1. An adjustment handle 13 is fixed to the end of the guide rod 12 away from the snap-fit block 10. The user can push the snap-fit block 10 to slide along the guide rail by operating the adjustment handle 13. When it is necessary to fix the snap-fit frame 6 to the bottom of the cap shell 1, the snap-fit block 10 is pushed by the adjustment handle 13 to align it with the snap-fit groove 7 on the cap shell 1 and snap into place. Under the action of the return spring 11, the snap-fit block 10 is held in the position within the snap-fit groove 7. When it is necessary to remove the snap-fit frame 6, the adjustment handle 13 is operated again to disengage the snap-fit block 10 from the snap-fit groove 7, and the snap-fit frame 6 can be easily removed. In this embodiment, the design of the arc-shaped snap-fit block 10 allows the snap-fit block 10 to slide smoothly inside the cap shell 1. With the operation of the adjustment handle 13, the user can easily install and remove the snap-fit frame 6, which is convenient for maintenance and replacement.
[0030] Preferably, one end of the snap-fit block 10 is inclined, and the snap-fit block 10 penetrates the cap shell 1 and snaps into the snap-fit groove 7. Specifically, one end of the snap-fit block 10 is designed to be inclined, preferably at a 45-degree angle, to facilitate easier entry and exit from the snap-fit groove 7. The inclined design helps reduce resistance during snap-fitting, making the snap-fitting process smoother. The size of the snap-fit block 10 should precisely match the snap-fit groove 7 to ensure a tight fit during snap-fitting and prevent loosening or falling off. The snap-fit block 10 is designed to penetrate the cap shell 1, with one end located inside the cap shell 1. The other end extends to the outside of the cap shell 1, and the locking block 10 can be operated by adjusting the handle 13 from the outside to engage or disengage it from the locking groove 7. When it is necessary to fix the locking frame 6 to the bottom of the cap shell 1, the locking block 10 is pushed by adjusting the handle 13 so that its inclined end first enters the locking groove 7, and then it is pushed until it is fully engaged. Under the action of the return spring 11, the locking block 10 is held in the position within the locking groove 7. When it is necessary to remove the locking frame 6, the adjusting handle 13 is operated again to disengage the inclined end of the locking block 10 from the locking groove 7, and the locking frame 6 can be easily removed.
[0031] Preferably, the end of the return spring 11 away from the locking block 10 is fixedly connected to the inner wall of the cap 1. Specifically, the return spring 11 can be a compression spring or a tension spring, and its elastic force should be sufficient to keep the locking block 10 in its initial position when not subjected to external force. The diameter and length of the return spring 11 need to be determined according to the size of the locking block 10 and the internal space of the cap 1 to ensure that the return spring 11 is not excessively compressed or stretched during operation. The end of the return spring 11 near the locking block 10 can be fixed to the locking block 10 by a hook, a ring structure or other appropriate connection method to ensure that the spring can be firmly connected to the locking block 10 while allowing a certain range of movement. The end of the return spring 11 away from the locking block 10 can be fixed to the inner wall of the cap 1 by welding, riveting, screw fixing or other reliable connection methods.
[0032] Preferably, the guide rod 12 extends outward from the cap shell 1, and the adjustment handle 13 is arc-shaped. Specifically, the length of the guide rod 12 should be determined according to the thickness of the cap shell 1 and the position of the adjustment handle 13, to ensure that the adjustment handle 13 can easily extend outward from the cap shell 1. The arc-shaped adjustment handle 13 facilitates user grip and operation, increases the contact area, reduces hand pressure, and improves operational comfort. The adjustment handle 13 is preferably made of a non-slip and comfortable material, such as rubber or soft plastic, to provide a good grip and friction. The adjustment handle 13 is installed by bolts, rivets, or other fixing methods. At the end of the guide rod 12, ensure that the adjustment handle 13 is firmly connected to the guide rod 12 and will not loosen due to frequent operation; when it is necessary to fix the snap-fit frame 6 to the bottom of the cap 1, the user holds the adjustment handle 13 and pushes it inward, so that the snap-fit block 10 slides along the guide rail until the inclined end enters the snap-fit groove 7 and is fully snapped in. Under the action of the return spring 11, the snap-fit block 10 is held in the position within the snap-fit groove 7. When it is necessary to remove the snap-fit frame 6, the user holds the adjustment handle 13 again and pulls it outward, so that the inclined end of the snap-fit block 10 is disengaged from the snap-fit groove 7. Under the action of the return spring 11, the snap-fit block 10 automatically returns to its initial position.
[0033] Preferably, a cushioning pad is fixedly connected to the bottom of the helmet shell 1. Specifically, the cushioning pad is made of a material with high elasticity and good shock absorption performance, such as memory foam, gel pad, etc. The thickness of the cushioning pad is preferably 5-10 mm, which can be determined according to the design of the helmet and the usage scenario. The shape of the cushioning pad can be a flat, solid pad, or it can be a structure with grooves or protrusions to better adapt to the head contour. The cushioning pad is fixed to the bottom of the helmet shell 1, that is, the part that directly contacts the user's head. In order to ensure even pressure distribution, the cushioning pad should cover the entire bottom of the helmet shell 1, especially key areas such as the forehead, back of the head and sides, to achieve a good protective effect on the head.
[0034] In addition to the above description, the following points need to be noted:
[0035] (1) The accompanying drawings of the embodiments of this disclosure only involve the structures involved in the embodiments of this disclosure. Other structures can be referred to the general design.
[0036] (2) Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.
[0037] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A safety helmet for power line inspection, comprising a helmet shell (1), a brim (9), and a chin strap (3), characterized in that, The bottom side of the cap (1) is provided with a snap-fit frame (6) through a snap-fit mechanism (2). The snap-fit frame (6) is provided with a snap-fit groove (7) at the rear end of the outer side. A support rod (8) is provided in the center of the snap-fit frame (6). A protective component is slidably connected to the bottom of the support rod (8). The snap-fit mechanism (2) includes a snap-fit block (10). Several return springs (11) are provided on the outer side of the snap-fit block (10). Guide rods (12) are fixedly connected to both ends of the outer side of the snap-fit block (10). An adjustment handle (13) is fixedly connected to the side of the two guide rods (12) away from the snap-fit block (10).
2. The power inspection safety helmet according to claim 1, characterized in that, The protective assembly includes a protective cloth (4) and an adhesive tape (5). The protective cloth (4) is slidably connected to the support rod (8). Adhesive tape (5) is provided at both ends of the protective cloth (5), and the protective cloth (4) is corrugated.
3. The power inspection safety helmet according to claim 2, characterized in that, The protective cloth (4) has several limiting rings at its top end. The limiting rings are sleeved on the support rod (8) and are movably connected to the support rod (8).
4. The power inspection safety helmet according to claim 1, characterized in that, The snap-fit frame (6) and the support rod (8) are both arranged in a ring shape, and the support rod (8) and the snap-fit frame (6) are fixedly connected.
5. The power inspection safety helmet according to any one of claims 1 to 4, characterized in that, The snap-fit block (10) is slidably connected to the inside of the cap shell (1) on the side away from the brim (9), and the snap-fit block (10) is arc-shaped.
6. The power inspection safety helmet according to claim 5, characterized in that, One end of the snap-fit block (10) is inclined, and the snap-fit block (10) penetrates the cap shell (1) and snaps into the snap-fit groove (7).
7. The power inspection safety helmet according to claim 6, characterized in that, The end of the return spring (11) away from the snap block (10) is fixedly connected to the inner wall of the cap (1).
8. The power inspection safety helmet according to claim 7, characterized in that, The guide rod (12) extends outward from the cap (1), and the adjustment handle (13) is arc-shaped.
9. The power inspection safety helmet according to claim 8, characterized in that, A cushioning pad (14) is fixedly connected to the bottom of the cap (1).