Elastic band mounting assembly and safety helmet

Abstract

The application discloses a kind of elastic band mounting assembly and safety helmet, the mounting assembly includes installation shell, elastic band, spring band and the color block that can be moved up and down in installation shell, the color block at least has first color and second color, one end of the elastic band is connected to color block, and a first tension is applied to color block in a downward or upward direction;One end of the spring band is connected to color block, and a second tension is applied to color block in the direction opposite to the first tension, a display window is provided on the installation shell, and the color of the color block can be observed through the display window, when the elastic band is not damaged, the elastic band and spring band respectively from the tension applied to color block in the up-down direction, the first color of the color block is observed through the display window;When the elastic band is damaged, the color block moves under the pull of the spring band, and the second color of the color block is observed through the display window.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of safety protection, in particular to a elastic band mounting assembly and safety helmet. BACKGROUND

[0002] The description in this section merely provides background information related to the present disclosure and does not constitute the prior art.

[0003] When the user wears the safety helmet, the phenomenon of not buckling the chin strap may occur, which is an incorrect way of wearing the safety helmet and causes great safety hazards to the human body. Therefore, a safety helmet needs to be designed to enable the wearer to wear the safety helmet correctly.

[0004] The utility model with the application number 2022220304936 records a safety helmet that is worn correctly. As shown in the figure, it is one of the embodiments recorded in the application, which includes a safety helmet body and a chin strap. The safety helmet further includes an elastic member mounted in the safety helmet body. The elastic member is used to support the top of the human head. When the chin strap is buckled, the elastic member can be pressed to the inside of the safety helmet body under the pressure of the top of the human head to wear the safety helmet. When the chin strap is not buckled, the elastic member cannot be pressed to the inside of the safety helmet body by the top of the human head to wear the safety helmet. The elastic member is an elastic band, and the two ends of the elastic band are fixed to the two sides of the edge of the safety helmet body. Figure 1 The safety helmet that is worn correctly of the above-mentioned utility model has a simple improvement on the existing conventional safety helmet. When the user does not buckle the chin strap, the elastic member blocks the user from completely wearing the safety helmet on the head. Therefore, the user must buckle the chin strap when wearing the safety helmet of the present application, so that the safety helmet is not easy to come off, thereby improving the safety performance of the safety helmet.

[0005] However, the above-mentioned utility model also has defects: the elastic band is easily damaged, and when the elastic band is cut short, it cannot play the above-mentioned role. Therefore, a device that can play a warning role when the elastic band is damaged needs to be invented.

[0006] It should be noted that the introduction to the technical background above is only to facilitate a clear and complete description of the technical solutions of the present application and to facilitate the understanding of the technical personnel in the field. The above technical solutions cannot be considered as known by the technical personnel in the field only because they are described in the background section of the present application.

[0007] SUMMARY The technical problem to be solved by the present application is to provide an elastic band mounting assembly and a safety helmet.

[0008]

[0009] ​In order to solve the above technical problems, the application provides an elastic band mounting assembly, which comprises a mounting shell, an elastic band, a rebound band and a color block movably arranged in the mounting shell, the color block has at least a first color and a second color, one end of the elastic band is connected to the color block to exert a first pulling force on the color block in a downward or upward direction, one end of the rebound band is connected to the color block to exert a second pulling force on the color block in a direction opposite to the first pulling force, a display window is arranged on the mounting shell, and the color of the color block can be observed through the display window, when the elastic band is not damaged, the elastic band and the rebound band exert pulling forces on the color block from the upper and lower directions respectively, and the first color of the color block is observed through the display window, and when the elastic band is damaged, the color block moves under the pulling of the rebound band, and the second color of the color block is observed through the display window.

[0010] Preferably, a plurality of damping rods are arranged in the mounting shell, and the elastic band sequentially passes through the damping rods.

[0011] Preferably, a mounting block is arranged on the color block, the mounting block is provided with an upper mounting pin and a lower mounting pin, one end of the rebound band is connected to the upper mounting pin, and the end of the elastic band is connected to the lower mounting pin.

[0012] Preferably, a fixing pin is arranged in the mounting shell, and the other end of the rebound band is connected to the fixing pin.

[0013] Preferably, the first color is green, and the second color is red.

[0014] The application further discloses a safety helmet, which comprises a safety helmet body and a chin strap, and further comprises the mounting assembly.

[0015] Preferably, the elastic band is used for supporting the top of the human head, when the chin strap is buckled, the elastic band can be pressed into the safety helmet body under the pressure of the top of the human head to wear the safety helmet, when the chin strap is not buckled, the elastic band cannot be pressed into the safety helmet body by the top of the human head to wear the safety helmet, and the elastic band is in a flat state without external pressure.

[0016] Through the above technical solutions, the application has the following beneficial effects:

[0017] The elastic band mounting assembly and safety helmet of the present application can display a specific color in the display window of the mounting assembly when the elastic band of the safety helmet is damaged, indicating that the elastic band of the safety helmet has been damaged. This can prevent malicious damage to the elastic band, or when the elastic band is aged and broken, it can also prompt people to replace or repair in time, further improving the safety performance of the safety helmet. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of a safety helmet in the background art.

[0019] Figure 2 is a structural schematic diagram of the mounting assembly of embodiment one of the present application.

[0020] Figure 3 is a structural schematic diagram of the mounting assembly of embodiment one of the present application.

[0021] Figure 4 is a structural schematic diagram of the color block of embodiment one of the present application.

[0022] Figure 5 is a partial structural schematic diagram of the mounting assembly of embodiment one of the present application.

[0023] Figure 6 is a partial structural schematic diagram of the mounting assembly of embodiment one of the present application.

[0024] Figure 7 is a structural schematic diagram of the mounting assembly of embodiment two of the present application.

[0025] Figure 8 is a partial structural schematic diagram of the mounting assembly of embodiment two of the present application.

[0026] Figure 9 is a partial structural schematic diagram of the mounting assembly of embodiment two of the present application.

[0027] Figure 10 is a structural schematic diagram of the V-shaped elastic sheet assembly of embodiment two of the present application.

[0028] Figure 11 is a structural schematic diagram of the lower jaw band fixing assembly of embodiment two of the present application.

[0029] Figure 12 is a structural schematic diagram of the lower jaw band fixing assembly of embodiment two of the present application.

[0030] Wherein: 100, safety helmet body; 1, mounting shell; 2, rebound belt; 3, elastic belt; 4, color block; 5, mandibular belt; 41, mounting block; 42, upper mounting pin; 43, lower mounting pin; 44, fixing pin; 45, first damping rod; 46, second damping rod; 47, third damping rod; 48, fourth damping rod; 6, mandibular belt mounting piece; 7, mandibular belt fixing assembly; 8, V-shaped elastic sheet; 81, first pull rope; 82, second pull rope; 83, third pull rope; 84, upper elastic sheet part; 85, lower elastic sheet part; 811, first fixed ball; 821, second fixed ball; 831, third fixed ball; 851, bayonet; 832, clamping block; 61, opening; 62, pin hole seat; 71, latch; 72, mandibular belt fixing piece; 711, latch tail; 721, head; 722, annular part. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] It should be noted that, in the description of the present application, the terms "first", "second" and the like are only used for description purpose and to distinguish similar objects, and there is no sequence between them, nor can it be understood as indicating or implying relative importance. In addition, in the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0033] As Figures 2-6 shown, it is a structural schematic diagram of the embodiment one of the present application. The elastic belt 3 mounting assembly includes a mounting shell 1, an elastic belt 3, a rebound belt 2 and a color block 4 movably arranged in the mounting shell 1, the color block 4 has at least a first color and a second color, preferably, the first color is green, the second color is red, and the color of the color block 4 can also be other colors. One end of the elastic belt 3 is connected to the color block 4 to exert a downward pulling force on the color block 4; one end of the rebound belt 2 is connected to the color block 4 to exert an upward pulling force on the color block 4. In another embodiment, the rebound belt 2 can exert a downward pulling force on the color block 4, and the elastic belt 3 can exert an upward pulling force on the color block 4, and the structure can be changed according to the actual situation.

[0034] The installation housing 1 is provided with a display window, the color of the color block 4 can be observed through the display window, when the elastic band 3 is not damaged, the elastic band 3 and the rebound band 2 respectively apply tension to the color block 4 from the upper and lower directions, the first color of the color block 4 is observed through the display window; when the elastic band 3 is damaged, the color block 4 moves under the pulling of the rebound band 2, the second color of the color block 4 is observed through the display window. When the second color is displayed in the display window, it indicates that the elastic band 3 of the safety helmet is damaged.

[0035] The color block 4 is provided with a mounting block 41, the block is provided with an upper mounting pin 42 and a lower mounting pin 43, one end of the rebound band 2 is connected to the upper mounting pin 42, and the end of the elastic band 3 is connected to the lower mounting pin 43. The installation housing 1 is also provided with a fixed pin 44, and the other end of the rebound band 2 is connected to the fixed pin 44.

[0036] The installation housing 1 is also provided with a plurality of damping rods, which are a first damping rod 45, a second damping rod 46, a third damping rod 47 and a fourth damping rod 48. The elastic band 3 is connected to the lower mounting pin 43 after passing through the first damping rod 45 and the second damping rod 46, and the rebound band 2 passes through the third damping rod 47 and the fourth damping rod 48. Figure 6 As shown, the winding mode of the elastic band 3 is in a Z-shaped direction, which can increase the damping effect of the damping rod on the elastic band 3. When people use the safety helmet, the elastic band 3 may be pulled, and when the middle position of the elastic band 3 is pulled, the end of the elastic band 3 will be loose, at this time, the damping rod can play a damping role to prevent the rapid relaxation of the end of the elastic band 3 and cause the color block 4 to lose tension.

[0037] The embodiment also relates to a safety helmet, which comprises a safety helmet body 100 and a chin strap 5, and the safety helmet also comprises the installation assembly. The elastic band 3 is used for supporting at the top of the human head, when the chin strap 5 is buckled, the elastic band 3 can be pressed into the safety helmet body 100 under the pressure of the human head to wear the safety helmet, when the chin strap 5 is not buckled, the elastic band 3 cannot be pressed into the safety helmet body 100 by the human head to wear the safety helmet, and the elastic band 3 is in a flat state without external pressure.

[0038] The elastic band 3 installation assembly and the safety helmet can display a specific color in the display window of the installation assembly when the elastic band 3 of the safety helmet is damaged, which indicates that the elastic band 3 of the safety helmet has been damaged. In this way, malicious damage to the elastic band 3 can be prevented, or when the elastic band 3 is aged and broken, people can be prompted to replace or repair in time, and the safety performance of the safety helmet is further improved.

[0039] As Figures 7-12 shown, it is a structural schematic diagram of the second embodiment of the present application. Compared with the first embodiment, the mounting assembly is further provided with a device for destroying the mounting structure of the chin strap. When the elastic band 3 is maliciously destroyed or broken due to aging, the safety helmet cannot be worn, and the elastic band 3 must be repaired before the safety helmet can be continued to be worn. The structure can further improve the safety performance of the safety helmet.

[0040] The mounting assembly is used for mounting on a safety helmet, and the safety helmet includes a safety helmet body 100 and a chin strap 5, both ends of the chin strap 5 are fixed through a chin strap fixing assembly 7 respectively, and the mounting assembly includes a mounting shell 1, an elastic band 3, a rebound band 2, and a moving block movably arranged in the shell. The moving block is equivalent to the color block 4 of the first embodiment. One end of the elastic band 3 is connected to the moving block to exert a first pulling force downward or upward on the moving block. One end of the rebound band 2 is connected to the moving block to exert a second pulling force on the moving block, which is opposite to the direction of the first pulling force. The mounting assembly further includes a spring assembly, the spring assembly includes a V-shaped spring 8, the V-shaped spring 8 includes an upper spring portion 84 and a lower spring portion 85, the lower spring portion 85 is fixed in the mounting shell 1, the spring assembly further includes a first pull rope 81, a second pull rope 82 and a third pull rope 83, upper ends of the first pull rope 81, the second pull rope 82 and the third pull rope 83 are connected to the upper spring portion 84, tail portions of the first pull rope 81 and the second pull rope 82 are connected to the chin strap fixing assembly 7, and a clamping block 832 is connected to a tail portion of the third pull rope 83. When the elastic band 3 is not destroyed, the elastic band 3 and the rebound band 2 respectively exert pulling forces on the moving block from the upper and lower directions, the clamping block 832 is blocked by the moving block at a position below the lower spring portion 85, and the clamping block 832 exerts a downward pulling force on the upper spring portion 84 through the third pull rope 83, so that the V-shaped spring is in a compressed state. When the elastic band 3 is destroyed, the moving block moves under the pulling of the rebound band 2, the moving block moves away from the position capable of blocking the clamping block 832, the upper spring portion 84 is pulled upward, and the first pull rope 81 and the second pull rope 82 are pulled.

[0041] As Figure 11 and 12As shown, the mounting assembly further comprises a chin strap mounting plate 6 and two chin strap fixing assemblies 7 mounted on the chin strap mounting plate 6, the chin strap fixing assembly 7 comprises a chin strap fixing member 72 and a pin 71, the chin strap mounting plate 6 is provided with an opening 61, and two pin hole seats 62 are provided at opposite positions of the edge of the opening 61, the chin strap fixing member 72 comprises a head 721 and a ring-shaped portion 722 connected to the head 721, the head 721 of the chin strap fixing member 72 is used to fix the chin strap, the head 721 of the chin strap fixing member 72 penetrates through the opening 61, the ring-shaped portion 722 of the chin strap fixing member 72 and the pin hole seat 62 are located at one side surface of the chin strap mounting plate 6, the head 721 of the chin strap fixing member 72 is located at the other side surface of the chin strap mounting plate 6, the pin 71 is inserted into the two pin hole seats 62 and penetrates through the ring-shaped portion 722, and the head 721 of the pin 71 of the two chin strap fixing assemblies 7 is connected to the end of the first and second pulling ropes 82 respectively, when the elastic band 3 is broken, the two pins 71 are separated from the pin hole seats 62 under the pulling of the first and second pulling ropes 81 and 82 respectively, so that the chin strap fixing member 72 is separated from the chin strap mounting plate 6. The pin 71 is a split pin, and the side surface of the tail of the pin 71 is further provided with a protruding portion, when the pin 71 is inserted into the pin hole seat 62, the protruding portion can prevent the pin 71 from being separated from the pin hole seat 62.

[0042] In a preferred embodiment, the moving block is a color block 4, and a display window is formed on the mounting shell 1, and the color of the color block 4 can be observed through the display window, when the elastic band 3 is not broken, the elastic band 3 and the rebound band 2 respectively apply pulling force to the color block 4 from the upper and lower directions, and the first color of the color block 4 is observed through the display window; when the elastic band 3 is broken, the color block 4 moves under the pulling of the rebound band 2, and the second color of the color block 4 is observed through the display window. When the second color is displayed in the display window, it indicates that the elastic band 3 of the safety helmet is broken.

[0043] The above-described embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent replacement or transformation made by the person skilled in the art on the basis of the present application is within the protection scope of the present application. The protection scope of the present application is subject to the claims.

Claims

1. An elastic band installation assembly, characterized in that, The mounting components include a mounting housing, an elastic band, a rebound band, and color blocks that can be moved up and down within the mounting housing. The color blocks have at least a first color and a second color. One end of the elastic band is connected to the color block, applying a first downward or upward pulling force to the color block; one end of the rebound band is connected to the color block, applying a second pulling force to the color block in the opposite direction to the first pulling force. A display window is provided on the mounting housing, through which the color of the color block can be observed. When the elastic band is not damaged, the elastic band and the rebound band apply tension to the color block from the top and bottom directions respectively, and the first color of the color block is observed through the display window; When the elastic band is broken, the color block moves under the pull of the rebound band, and the second color of the color block is observed through the display window.

2. The mounting assembly according to claim 1, characterized in that, The mounting housing also contains multiple damping rods, and the elastic band passes around the damping rods in sequence.

3. The mounting assembly according to claim 1, characterized in that, The color block is provided with a mounting block, the mounting block is provided with an upper mounting pin and a lower mounting pin, one end of the spring band is connected to the upper mounting pin, and the end of the elastic band is connected to the lower mounting pin.

4. The mounting assembly according to claim 3, characterized in that, A fixing pin is also provided inside the mounting housing, and the other end of the spring band is connected to the fixing pin.

5. The mounting assembly according to claim 1, characterized in that, The first color is green, and the second color is red.

6. A safety helmet, comprising a helmet body and a chin strap, characterized in that, The safety helmet also includes the mounting components as described in any one of claims 1 to 4.

7. The safety helmet according to claim 6, characterized in that, The elastic band is used to support the head. When the chin strap is fastened, the elastic band can be pressed into the helmet body under the pressure of the head for wearing. When the chin strap is not fastened, the elastic band cannot be pressed into the helmet body for wearing. The elastic band is in a straight state when not subjected to external pressure.

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