JP3517785B2 - Mounting structure of protective cap and protective equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a protective cap and protective equipment. More specifically, the present invention relates to a protective cap such as a work helmet, a light blocking member,
The present invention relates to a mounting structure for removably mounting a protective member such as a disaster prevention member, glasses, or a shield.

[0002]

2. Description of the Related Art When working at a construction site in Japan, it is generally required for safety to wear a protective cap typified by a work helmet. In addition, when performing special work such as welding work, it may be necessary to use protective equipment such as a shield at the same time as a safety measure for sparks generated during welding. Conventionally, when wearing the protective cap and protective equipment at the same time, the operator may not be able to perform comfortable work. To give a specific example, during welding work such as arc welding and argon welding, in order to shield harmful rays generated during work,
A transparent member that blocks harmful rays is used. In many cases, the light-shielding member is configured to have a grip bar below the hand-held welding surface so that the light-shielding member can be grasped by one hand to proceed with the work. However, as is well known, it is dangerous to grip the light shielding member with one hand and perform the welding work with the other hand, particularly during the welding work in a work place or a high place where the footing is poor. In addition, there is also a structure in which a band or the like is fixed to the rear part of the light shielding surface so that the worker wears the light shielding surface on the head. However, when the worker wears the helmet, the light-shielding surface of the covering surface type has a difficulty in mounting because the light-shielding surface and the helmet interfere with each other. This is because the standards for the light-shielding surface and the helmet mounting structure are not standardized in the market related to the technology. For this reason, there is a case in which the helmet wearing is given up, which is a safety problem. Further, in the cover surface type, the light-shielding surface is often removed each time when the welding condition is checked at the time of mounting, and if this attachment / detachment operation cannot be performed in one operation, it is impossible to deal with a situation in which the user is surprised. Therefore, it may be difficult for the worker to perform comfortable welding work. Therefore, when wearing the protective cap and the protective equipment at the same time, the protective cap can be quickly attached, the construction is inexpensive, and the work can be performed with both hands.
A simple mounting structure is needed.

Actually, there are already a plurality of prior arts relating to a structure in which a protective tool such as a light shielding member is attached to a protective cap such as a work helmet. To give a specific example, actual Kaihei 4-22
The mounting structure of Japanese Patent No. 182 discloses a structure in which a protective tool such as a light-shielding member is attached to a protective cap such as a helmet by using a clip or a magnet. In the mounting structure disclosed in Japanese Patent Laid-Open No. 5-329179, a substantially U-shaped frame that can be hung on the shoulder during work, a mounting means for mounting this frame on the upper body of an operator, and a grip bar on a hand-held welding surface are attached and detached. It discloses a mounting structure using a surface support member or the like that supports freely and height-adjustable. Further, the mounting structure disclosed in JP-A-5-56994 discloses a welding hood covering a face by using a double cloth hood having a cloth surface material that withstands high heat of 400 degrees and a cloth lining material that blocks ultraviolet rays and blocks heat rays. is doing. The mounting structure disclosed in JP-A-8-52574 is composed of a lower shield that protects the mask and an upper shield that protects the eyes and has a window.
Further, a shield is disclosed in which the upper shield is formed so as to be freely movable when it is worn so as to open the face. The mounting structure disclosed in Japanese Patent Application Laid-Open No. 9-122170 is a mounting structure including a gripping means such as a clip for removably gripping the eaves part of a helmet on the upper back surface of a peep window of a light-shielding surface of a cover surface type. Is disclosed.

[0004]

However, when a clip or a magnet is used as in Japanese Utility Model Laid-Open No. 4-22182, there is some concern about the mounting strength. In particular, as in Japanese Patent Laid-Open No. 9-122170, the clip type is not sufficient in terms of strength to detachably hold the eaves of the helmet. Further, as in JP-A-5-329179, if the substantially U-shaped frame is hung on the shoulder during each work, the attachment method may be troublesome.
Further, as in JP-A-5-56994, the protector is made of a hood-like cloth to improve hygiene, or as in JP-A-8-52574, the protector is divided into upper and lower parts. , Expanding the field of view by making one side rotatable is certainly an important factor. However, a structure in which the protective equipment is attached to the protective cap in one operation has not yet been reached. Further, the most problematic point in the present invention is that these disclosed examples are not clear to be used in combination with a work helmet, which is essential at construction sites in Japan.

That is, these prior arts still have the following points.
There are still technical problems to be solved: (1) The joining method for attaching the welding shield (protector) to the helmet (protective cap) is not always performed in one operation; (2) Welding shield The mounting position for the helmet is based on the two positions of lowering it for work or placing it upward to widen the field of view, and does not necessarily allow further adjustment of the mounting position; and (3) construction site It is hard to say that, etc., fully considers the domestic situation in Japan, which requires wearing a work helmet.

[0006] The present invention has been made in view of the above points. First, in consideration of the domestic situation in Japan in which the wearing of a work helmet is essential, the protective cap is protected in one operation. It is an object of the present invention to provide a simple mounting structure to which a tool can be mounted and which has high vibration resistance. Specifically, the present invention engages the protective cap and the protective device using at least one or more sets of engaging devices, and at the same time, the magnetic forces attracting each other of the engaging devices engage with each other in pairs. Provided is a mounting structure having a step. Furthermore, it enables adjustment of the mounting position along the step. Then, it is an object of the present invention to provide a mounting structure with further improved mountability by providing the protective cap with the guide groove for mounting.

[0007]

As a means for solving the above-mentioned problems, the present invention uses, in the invention described in claim 1, a protector for a protective cap and at least one set of engaging tools. And a male part and a female part of the pair of engaging tools, (i) a main body fixed to each of the protective cap and the protective tool, and (ii) by having a step of the male and female portions which meshes with the contact surface and (iii) vs. mutually attracted by magnetic force from each other, engage with the positioning together, further, the engaging member may utilize the step
To adjust the mounting position of the protective cap and the protective equipment in multiple steps
It is characterized in that the expression is performed .

In this structure, the pair of the male part and the female part of the engaging device for attaching the protective device to the protective cap are not only attracted to each other by using magnetic force but also positioned by using the step which meshes with each other. As a result, it is possible to provide a mounting structure that is excellent in vibration resistance and that can be mounted in one operation. It
In addition, if the mounting position is determined by the steps that mesh with each other,
Both make it possible to adjust the mounting position.
We will respond to requests for position adjustment at the time of installation caused by individual differences in
Will be possible.

[0009] In yet invention according to claim 2, in which according to claim 1, the step is characterized in that it is more formed at a constant inclination angle.

With this structure, it is possible to easily adjust the mounting angle when mounting the protective equipment on the protective cap by utilizing the plurality of steps formed at the constant inclination angle.

Further, in the invention described in claim 3 , in the invention described in claim 1 or 2 , the protective cap is provided with a guide groove for mounting the protective equipment.

With this structure, utilizing the guide groove,
It is possible to quickly attach protective equipment to a protective cap, and especially on a helmet overlaid on the head, using the guide groove without removing the helmet again makes it easy to attach and detach the protective equipment. Make it possible to do.

The protective cap and protective device mounting structure according to the present invention is basically constructed as described above. However, in order to facilitate the adjustment of the mounting position at the above-mentioned mounting angle, the main body is cylindrical. It may be formed in a shape and a plurality of steps may be formed at a constant angle in the radial direction over a range of 360 degrees from the center. Alternatively, this step may be formed in a step shape that advances straight, so that the attachment position can be adjusted linearly. Further, the step may be formed on the contact surface where the magnetic force is generated, or may be formed outside the contact surface. Furthermore, it is preferable that the basic structure of the step is formed in an uneven shape such as a mountain, a triangle, or a quadrangle. Further, these engaging tools may be attached to the front surface of the helmet, or may be attached to both sides. Further, it is preferable that the contact surfaces that are attracted to each other by a magnetic force are formed of magnets, but the other contact surfaces that attract each other may be formed of a member such as iron.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an attachment structure for attaching a protector 2 to a protective cap 1 according to an embodiment of the present invention will be described with reference to the accompanying drawings. First, an overall image of a mounting structure according to an embodiment of the present invention will be described with reference to FIGS. Next, the engagement tool according to the embodiment of the present invention will be described in detail with reference to FIGS. 7 to 12.

Hereinafter, the term "protective cap" is defined as a protective member which is used by covering the head of a human body. A specific example is a work helmet. Also, the term'protective equipment 'is used to protect the human body, especially the face.
It is defined as a protective member that is used detachably. Specific examples include light-shielding surfaces, disaster prevention surfaces, glasses, masks or shields. It is assumed that the protective cap 1 is continuously used during a certain work period, and the protective equipment 2 is detachably used during this period.

FIG. 1 shows an engagement tool 1 according to an embodiment of the present invention, which comprises at least one set of a male part 10A and a female part 10B.
It is a perspective view which shows the front | former stage of the attachment structure which attaches the protective cap 1 and the protective equipment 2 detachably using 0. In the figure,
Assume a helmet 1 as a “protective cap” and a disaster prevention surface 2 as a “protective device”. 2 is a plan view showing the perspective view of FIG. As shown in FIGS. 1 and 2, in order to attach the disaster prevention surface 2 having the ears 6 protruding to the left and right to the helmet 1, an engaging tool 10A is provided near the ends of the left and right ears. The ears 6 extending to the left and right are flexible because they have a narrow width in the longitudinal direction, and therefore can be attached to both sides of the helmet 1 having a substantially hemispherical shape.

FIG. 3 is a perspective view showing a mounting structure of the protective cap 1 and the protective equipment 2 at the completion stage of the mounting operation. As can be understood from FIGS. 1 and 3, the helmet 1 has a canopy 3 on the front surface, and the disaster prevention surface 2 has a ceiling portion 4 on the upper portion.
The light-shielding surface 5 used for welding work and the like extends downward from the ceiling portion 4. Preferably, the light-shielding surface 5 is a harmful-light-shielding see-through member having a function of shielding harmful rays generated during welding work. When the protective cap 1 and the protective equipment 2 are detachably attached, the eaves 3 and the ceiling portion 4 are engaged with each other, so that the disaster prevention surface 2 is positioned without slipping off from the helmet 1. Furthermore, the above protector 2
The mounting position of the protective cap 1 on the protective cap 1 is adjusted in multiple stages by using the engaging tool 10. FIG. 4 shows a perspective view of this position adjustment. The protector 2 is vertically positioned in multiple stages with respect to the engaging tools 10 arranged at the ends of the ears 6 at both ends of the protector 2, but a detailed description will be given later.

By attaching an elastic adjusting body (not shown) to the inside of the helmet 1, the position of the head when wearing the helmet is always near the center regardless of the size of the head of the user. It may be configured to be positioned. The adjustment body may be detachably configured according to the prior art. Besides, various modifications can be envisioned for the configuration of the helmet 1, but the present invention does not pose a problem with the configuration of these helmets.

Also, as mentioned above, these'protective caps'
And there are various modifications of the “protective equipment”. FIG. 5 shows a case where a shield (hand-held welding surface) 2'for welding work is assumed as the'protector 'among these modifications.
In the figure, reference numeral 4'indicates a ceiling portion, reference numeral 5'indicates a window portion, and reference numeral 7 indicates a grip bar. Similarly, the window 5'is a harmful-light-shielding see-through member having a function of blocking harmful rays generated during welding work. Normally, unlike the disaster prevention surface 2 of FIG. 1, the shield 2 ′ does not have left and right protruding ears (see reference numeral 6 in FIG. 2), and in this case, as shown by the broken line in the perspective view of FIG. 'The shield 2'is attached to the protective cap 1 by providing the engaging tool 10A on the upper center of the back surface. Similarly, by utilizing the ceiling portion 4 ′ above the shield 2 ′, the shield 2 ′ is prevented from sliding off the helmet 1 during use by engaging with the eaves 3 of the helmet 1 so as to mesh with each other. To position. The perspective view of FIG. 6 shows the completion stage of this assembling operation.
It should be noted that the assembly strength may be increased by using a plurality of engaging members 10 in order to further enhance safety.

As described with reference to FIGS. 1 to 6, in the embodiment of the present invention, a combination of at least one engaging tool 10 for engaging the protective cap 1 and the protective tool 2 together. To use. As shown in FIG. 7, this pair of engaging members 10 is composed of a male portion 10A and a female portion 10B, each of which is at least (i).
A main body 11 fixed to the protective cap 1 or the protective equipment 2, and (i
i) It has a contact surface 12 that attracts each other by magnetic force, and (iii) a step 13 between the male part and the female part that meshes with the pair. Further, (a) of FIG. 7 shows the stage immediately before the assembly of these one set of engaging tools 10, and (b) of FIG. 7 shows the assembling stage. In this way, by using the magnetic force and the step difference, compared to the case of simply using a magnet or a clip, for example, the fixed position is not easily removed from the vibration during the work, and the vibration resistance is improved. It is possible to provide a mounting structure having excellent properties.

The body 11 is fixed to the protective cap 1 or the protective equipment 2 so as not to be easily separated. Specifically, the back surface of the main body 11 and the front surface of the protective cap 1 may be integrally fixed by using an adhesive member such as double-sided tape, or both may be mechanically fixed by using a bolt or the like. Further, the magnetic force for adsorbing the pair of the male part 10A and the female part 10B of the engagement tool 10 has a sufficient coupling force for attaching the disaster prevention surface 2 or the welding work shield 2'to the helmet 1, for example. To do. Furthermore, the male portion 10A that meshes with the pair
And the step 13 of the female portion 10B to the main body 11 or the contact surface 12
The pair of the male part 10A and the female part 10B of the engagement tool 10 are integrally engaged with each other.

Further, the engagement tool 10 is constructed so that not only the protection tool 2 is fixed to the protection cap 1, but also the mounting position of the protection tool 2 can be adjusted. Specifically, the step 1 used to position the fixed position of the engagement tool 10
It is possible to meet the demand for position adjustment at the time of mounting that occurs due to individual differences in use, etc. this is,
This is because, at present, the standards of the mounting method in the relevant field are not unified, and it is preferable that both the user side and the supplier side can finely adjust the mounting structure.

Next, with reference to FIGS. 8 to 10, the engagement tool 10 will be described in more detail together with modified examples. FIG. 8 is an enlarged side view of the step 13 shown in FIG. This step 13 has a cross section of the basic structure in an uneven shape such as a mountain shape, a triangle shape, or a square shape. For example, as shown in FIG. 8A, the side surface of the step 13 may have a triangular shape as a basic structure that meshes with a pair. Or
As shown in (b), a square structure that meshes with a pair may be used as the basic structure. Further, as shown in (c), this quadrangular shape is not limited to a rectangular shape, but may be a trapezoidal shape, for example. Furthermore, fillets may be formed at the corners of these triangular or quadrangular shapes in order to smooth the mesh in each shape.

FIG. 9 is a plan view of the steps 13. In a preferred embodiment according to the present invention, as shown in the drawing, a plurality of steps 13 are formed on the upper surface of the engagement tool 10 at a constant inclination angle R, thereby making it possible to adjust the angle of the mounting position. . More specifically, the main body 11 is formed in a cylindrical shape, and a circular contact surface 12 that emits magnetic force is provided on the upper surface, and a plurality of steps 13 are formed on the contact surface 12 in the radial direction from the center at a constant angle R. Set up. Therefore, the pair of engaging members 10 of the male part 10A and the female part 10B provided in each of the protective cap 1 and the protective device 2 are attracted by magnetic force on the contact surface 12 and also mesh with each other on the contact surface 12. Positioning by the step 13 makes it possible to adjust the angle of the mounting position along the angle R formed in the radial direction. Further, as shown in FIG. 9 (a), the step 13 may have a form in which it advances linearly from the center in the radial direction, or as shown in FIG. 9 (b), it advances in a curved shape. It may be in a form. Alternatively, this step may have a shape (not shown) that alternately projects without continuously advancing.

Further, as shown in the conceptual view of FIG. 10A, the step 13 may be formed over substantially the entire range on the contact surface 12 when viewed from the plane. Alternatively, FIG. 10 (b)
As shown in the conceptual diagram of the above, the step 13 may be formed only over a part of the contact surface 12. Further, FIG. 10 (c)
The step 13 may be formed outside the contact surface 12, as shown in the conceptual diagram of FIG. In this case, the contact surface 12 may be formed of a magnet, or the magnet 15 may be arranged at the center of the engagement tool 10.

In addition, the main body 11 is formed in a substantially rectangular shape (not shown), and a plurality of steps 13 are formed at a constant inclination angle of 0, that is, parallel steps (not shown), and are attached in a straight line. Fine adjustment of the position may be possible. Also in this case, the step 13 similarly has a plurality of different embodiments shown in FIGS. Note that the details of these different examples are omitted to avoid duplication of description.

Further, as shown in FIG. 11, a protective cap 1
May form a guide groove 20 for mounting the protector 10 on the outer surface. Preferably, the guide groove is substantially U-shaped, but in addition, the guide groove 20 may be used so that the protector 2 can be quickly attached to the protective cap 1. In this way, it is possible to perform a quick attachment / detachment operation of the protective equipment 2 without removing the helmet 1 overlaid on the head each time. Furthermore, the guide groove 12
The shape of may be the shape shown in FIG. In this case, the guide groove 12 also has a stopper function that prevents the engagement tool 12 from easily coming off during use.

[0028]

Since the present invention is the structure for attaching the protective cap and the protective equipment constructed as described above, according to the invention described in claim 1, the engagement for mounting the protective equipment on the protective cap is made. A pair of male and female parts of the tool are attached not only by using magnetic force but also by positioning by using the step that meshes with each other, thereby providing a mounting structure that is excellent in vibration resistance and can be mounted in one operation. It becomes possible to do. further,
The mounting position is determined by the steps that mesh with each other,
It is possible to adjust the mounting position and personal use
Responding to the request for position adjustment at the time of mounting caused by differences etc.
Is possible.

According to the invention described in claim 2 , in addition to the effect described in claim 1 , a plurality of steps formed at a constant inclination angle are used to attach the protective equipment to the protective cap. In this case, it becomes possible to easily adjust the mounting angle.

According to the invention described in claim 3 , in addition to the effect described in claim 1 or 2, it is possible to quickly attach the protective equipment to the protective cap by using the guide groove. In particular, it is possible to easily attach / detach the protective equipment by using the guide groove without removing the helmet again, especially on the helmet overlaid on the head.

[Brief description of drawings]

FIG. 1 is a perspective view showing a previous stage when a protective cap (helmet) and protective equipment (disaster prevention surface) are attached.

2 is a perspective view showing a top view of FIG. 1. FIG.

FIG. 3 is a perspective view showing a completion stage of the mounting operation of FIG.

FIG. 4 is a perspective view showing a stage of further adjusting an assembling position after the assembling shown in FIG.

FIG. 5 is a perspective view showing a pre-stage when a protective cap (helmet) and protective equipment (shield) are attached.

FIG. 6 is a perspective view showing a stage at the time when the attachment of FIG. 5 is completed.

FIG. 7 is a perspective view showing a pair of engagement tools according to the embodiment of the present invention.

FIG. 8 is an enlarged side view showing a modification of the step shown in FIG.

9 is a plan view showing a modified example of the step shown in FIG.

FIG. 10 is a plan view showing a modified example of the step shown in FIG.

FIG. 11 is a front view showing a state in which guide grooves are formed in the protective cap and protective device attachment structure according to the embodiment of the present invention.

FIG. 12 is a front view showing a modification of the guide groove attached to the attachment structure for the protective cap and the protective equipment according to the embodiment of the present invention.

[Explanation of symbols]

1 protective cap 2 protective equipment 3 eaves 4 ceiling 10 Engagement tool 11 body 12 Contact surface 13 steps 20 guide groove

Claims (3)

(57) [Claims] 1. A mounting structure for removably mounting a protector to a protective cap using at least one set of engaging tools, wherein a male part and a female part of the one set of engaging tools are provided. (I) a body fixed to each of the protective cap and the protective equipment, and (ii)
By having a step of the male and female portions which meshes with the contact surface and (iii) vs. mutually attracted by magnetic force from each other, engage with the positioning together, further, the engaging Gogu may utilize the step
Then, adjust the mounting position of the protective cap and the protective equipment in multiple stages.
Mounting structure characterized by performing in a floor system. 2. The mounting structure according to claim 1 , wherein a plurality of the steps are formed at a constant inclination angle. 3. The mounting structure according to claim 1 , wherein the protective cap includes a guide groove for mounting the protective device.