JP5978016B2 - Dust-proof hood with shield - Google Patents

Description

  The present invention relates to a shielded dustproof hood worn by an operator when working in a clean room such as a semiconductor manufacturing factory, precision equipment manufacturing factory, pharmaceutical factory, food processing factory and the like.

  Semiconductor manufacturing factories are working in a clean room to prevent the occurrence of defective products, but hair loss (head hair, eyebrows, eyelashes, etc.) that falls off (generates) from workers is often mixed into the product. It is a problem.

  Therefore, in a clean room, in order to prevent hair removal from an operator from entering the product, the work is performed while wearing a dust-proof hood and dust-proof clothing.

  The dust-proof hood is a product that covers only the head of the dust-proof clothing, and is usually worn as a set with the dust-proof clothing.

  In order to prevent hair loss and the like from scattering, dust clothes are used.

  The dust-proof hood is provided with a view securing opening so that the view can be secured.

  In recent years, dust-proof hoods with shields, which are made of vinyl, plastic, etc. at the openings for securing the visibility of dust-proof hoods and prevent operators from removing hair from the openings for securing the visibility, have become mainstream. (For example, see Patent Literature 1, Patent Literature 2, Patent Literature 3, and Patent Literature 4).

JP 2012-57264 A JP 2011-1659 A JP 2011-157640 A Utility Model Registration No. 3157830

  The shielded dust-proof hood described in Patent Document 1 and Patent Document 2 described above cannot maintain the curved state of the shield when not worn, although the shield is attached to the hood body by an attachment member such as a snap button. When wearing, the shield comes into contact with the nose of the wearer and the shield becomes cloudy, and the wearing feeling (comfort) is poor.

  Further, the dust-proof hood with shield described in Patent Document 3 and Patent Document 4 is configured so that the shield can be inserted into and removed from the bag-shaped shield housing portion formed around the view securing opening, The curved state of the shield in the unweared state cannot be maintained, the shield comes into contact with the wearer's nose when worn, the shield becomes cloudy, and the feeling of wearing (comfort) is poor.

  The present invention has been made to eliminate the above-mentioned disadvantages, and provides a shielded dust-proof hood that can maintain the curved state of the shield when not worn and prevents the shield from coming into contact with the wearer's nose when worn. To do.

According to one aspect of the present invention, the hood body for covering the head, Te dustproof food smell shielded the shield is attached to a portion of the periphery of the field of view secured opening provided at a position corresponding to the wearer's eyes A pair of shield end mounting accommodating portions that are open toward the center side of the visibility securing opening and that accommodate the left and right ends of the shield, respectively. In the state where the left and right end portions of the shield are respectively accommodated in the shield end portion mounting accommodating portions and the shield is attached to the hood body, the lower end of the shield is provided on the outer side of each end. A part from the left and right ends of the shield overlaps the hood body inside the corresponding peripheral edge of the visibility securing opening, and the elliptical arc-shaped left and right ends of the shield respectively Corresponding to the elliptical bottom of each shield end mounting accommodating portion, the bottom is in contact with the bottom, and an air inflow opening is formed between the upper end of the shield and the hood body. When viewed from above, the shield is a shielded dust-proof hood that protrudes forward in the shape of an arc of a bow.

According to a second aspect of the present invention, in the dust-proof hood with a shield according to the first aspect, the shield is formed in a plate shape, is bent in a state where the shield is attached to the hood body, and the bow This is a shielded dustproof hood that is arcuate.

According to a third aspect of the present invention, in the dustproof hood with a shield according to the first or second aspect, the shield is not in contact with the nose when the shield is attached to the hood body. It is a dust-proof hood with a shield.

ADVANTAGE OF THE INVENTION According to this invention , the curved state of the shield in a non-wearing state can be maintained, and a feeling of wearing (comfort) is improved because the shield does not contact the wearer's nose when worn.

It is the perspective view which looked at the wearing condition of the dustproof hood with a shield which is one example of this invention from the upper left front. It is a front view of the wearing condition of the dustproof hood with a shield shown in FIG. It is sectional drawing by the III-III line of FIG. It is a left view of the wearing condition of the dustproof hood with a shield shown in FIG. It is the figure which looked at the shield part in the non-wearing state of the dustproof hood with a shield shown in FIG. 1 from the upper side. It is the figure which looked at the dustproof hood with a shield shown in Drawing 5 from the right side. It is a front view of the non-attached state of a shield. It is explanatory drawing of the state which open | released the wire fastener in the wearing condition shown in FIG.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of a shielded dust-proof hood according to an embodiment of the present invention as seen from the upper left front, FIG. 2 is a front view of the shielded dust-proof hood shown in FIG. 1, and FIG. 4 is a cross-sectional view taken along line III-III, FIG. 4 is a left side view of the shielded dustproof hood shown in FIG. 1, and FIG. 5 is a shield part of the shielded dustproof hood shown in FIG. FIG. 6 is a view of the shielded dustproof hood shown in FIG. 5 from the right side, FIG. 7 is a front view of the shield not attached, and FIG. 8 is a line fastener in the wearing state shown in FIG. It is explanatory drawing of the state which open | released.

  Front and rear, left and right, up and down, inside and outside in this specification are front and back, left and right, up and down, inside and outside as viewed from the wearer.

  As shown in FIG. 1, a dust-proof hood 11 with a shield according to an embodiment of the present invention is attached to a cylindrical hood main body 21 having a zenith that covers a wearer's head and to the lower side of the hood main body 21. A plurality of (two) tightening adjustment mechanisms 41 and 42 (FIG. 3, FIG. 3) are attached to the rear outer side of the hood body 21 and adjust the tightening state of the hood body 21. 4) and a shield 51.

  The hood main body 21 is provided with a view securing opening 22 for securing a view at a position corresponding to the eyes of the wearer, and securing a breath for securing breathing at a position corresponding to the mouth of the wearer. The opening 23 for listening is provided on the lower side of the opening 22 for securing the visual field so as to communicate with the opening 22 for securing the visual field, and the listening securing opening for securing the listening at a position corresponding to both ears of the wearer. Portions 27L and 27R (see FIGS. 3 and 4) are provided.

  The breathing securing opening 23 described above is covered with a breathable material 24 having a filter function attached (sewn) to the outer half of the front side of the hood main body 21 so as to secure the visibility securing opening 22. Yes.

  This breathable material 24 swells in a forward direction away from the wearer's mouth and is sewn into a front convex shape that can secure a space in the wearer's mouth.

  And the lower end (lower end extending linearly in the horizontal direction) of the breathable material 24 and the end of the hood main body 21 (end extending linearly in the horizontal direction) opposite to the lower end of the breathable material 24 A slit 25 is provided between the slit 25 and the slit 25 can be opened and closed in a vertical direction by a line fastener 26 as a locking tool.

  The listening securing opening 27L is covered with a mesh-like air-permeable material 28L having a filter function attached (sewn) to the inside of the periphery of the listening securing opening 27L.

  Further, as shown in FIG. 3, the listening securing opening 27R is covered with a mesh-like breathable material 28R having a filter function attached (sewn) inside the periphery of the listening securing opening 27R. Yes.

  As shown in FIGS. 1 and 4, the left side portion of the view securing opening 22 of the hood main body 21 has a left end portion of the shield 51 so that the left end portion of the shield 51 does not directly contact the wearer's left face. The shield left end cover portion 29L that covers from the inside.

  Further, as shown in FIG. 3, the right side portion of the hood main body 21 of the visibility securing opening 22 has the right end portion of the shield 51 from the inner side so that the right end portion of the shield 51 does not directly contact the wearer's right face. The shield right end cover portion 29R is covered.

  As shown in FIGS. 1 and 4, the hood main body 21 (shield left end cover portion 29 </ b> L) and the breathable material 24 positioned on the left side of the above-described visibility securing opening 22 are connected to the visibility securing opening 22. For example, the left end of the shield 51 is accommodated while the left end of the shield 51 is part of the bottom (the seam L). A shield left end mounting accommodating portion 30L that abuts is provided.

  Further, the hood main body 21 (shield right end cover portion 29R) and the breathable material 24 located on the right side portion of the visibility securing opening 22 and the breathable material 24 are opened inside the visibility securing opening 22 as shown in FIG. For example, by providing a seam (stitched portion, stitch) R by stitching in an elliptical shape, the right end of the shield 51 is accommodated, and the right end of the shield 51 abuts a part of the bottom (seam L). A shield right end mounting housing portion 30R is provided.

  The seams L and R are formed along the shape of the left and right ends of the shield 51 and are formed as curves along the shape of the left and right ends of the shield 51.

  As shown in FIGS. 3 and 4, the tightening adjustment mechanism 41 described above has one end attached to the rear outer center top of the hood main body 21 and constitutes a locking tool on the outer side of the other end extending downward. The first strap with the to-be-latched part attached, and one end attached to the rear outer center lower end of the hood main body 21, and the inside of the other end extending to the upper side are engaged with and disengaged from the to-be-latched part. It is comprised with the 2nd band cord to which the latching tool part which comprises a tool was attached.

  Further, as shown in FIGS. 3 and 4, the tightening adjustment mechanism 42 has one end attached to the left outer side of the hood body 21 and constitutes a locking tool on the outer side of the other end extending horizontally to the rear side. The first strap to which the locked portion is attached, and one end attached to the right outer side of the hood main body 21 and the other end extending horizontally to the rear side are engaged with and disengaged from the locked portion. It is comprised with the 2nd band cord to which the latching tool part which comprises a stopper was attached.

  As shown in FIG. 7, the shield 51 has a rectangular shape (substantially elliptical shape) with a front viewing angle, and a transparent central portion (a portion corresponding to the nose) cut out in an arc shape upward. A shield body 52 that is semi-transparent bendable and has been subjected to anti-fogging processing, a shield body end protection member 53 that is attached (sewn) so as to cover the periphery of the shield body 52, and For example, an attachment member portion is configured to be attached to the shield body 52 from the top of the shield body end protection member 53, for example, at a total of four locations including two left and right ends of the lower end portion and both left and right end portions. 54A is attached.

  As shown in FIGS. 1 to 6, attachment members corresponding to attachment member portions 54 </ b> A attached to the left and right sides of the shield main body 52 on the breathable material 24 side of the shield left and right end cover portions 29 </ b> L and 29 </ b> R are provided. An attached member corresponding to the attached member portions 54A attached to the left and right of the lower end portion of the shield main body 52 on the inner side of the lower edge of the upper opening end of the breathable material 24 is attached to the attached attached member portion 54B. The to-be-attached member part 54B which comprises is attached.

  The above-described attachment members (attachment member portion 54A, attached member portion 54B) are detachable and rotatable.

  Next, an example of attachment of the shield 51 will be described.

  First, while the lower end portion of the shield 51 is inserted inside the breathable material 24, the two attachment member portions 54A provided on the lower end portion of the shield 51 are replaced with the attached member portions 54B provided on the breathable material 24. Install.

  Then, the left end portion of the shield 51 is inserted into the shield left end attachment housing portion 30L, and the attachment member portion 54A provided at the left end portion of the shield 51 is replaced with the attached member portion 54B provided at the shield left end cover portion 29L. Install.

  Further, the right end portion of the shield 51 is inserted into the shield right end portion mounting accommodating portion 30R, and the attachment member portion 54A provided at the right end portion of the shield 51 is replaced with the attached member portion 54B provided at the shield right end portion cover portion 29R. Install.

  When the shield 51 is attached to the hood main body 21 in this way, the shield left and right end cover portions 29L and 29R and the shield 51 are in a relationship between strings and bows, and as shown in FIG. An air inflow opening H is formed between the hood body 21 and the hood body 21.

  Further, when viewed from above in a non-wearing state, as shown in FIG. 5, the shield 51 is in a state of being curved in an arc shape at the center after protruding forward from the left and right ends in a straight line.

  Further, a part of the bottom (seams L, R) of the left and right end attachment housing portions 30L, 30R and the left and right ends of the shield 51 are in contact with each other.

  Next, opening and closing of the slit 25 in the wearing state will be described.

  For example, when the operator opens the slit 25 to replenish moisture, when the fastener 26 is opened, the hood main body 21 below the slit 25 falls by its own weight as shown in FIG. The slit 25 can be easily opened.

  When the slit 25 is closed, the slit 25 can be easily closed by closing the fastener 26.

  According to the shielded dust-proof hood 11 of one embodiment of the present invention, since the air inflow opening H is formed between the upper end of the shield 51 and the hood main body 21, the downflow is the air inflow opening. By entering the hood main body 21 from H, it is possible to prevent air from staying in the hood main body 21 and to drop the hair so that it does not adhere to the inner surface of the shield 51 even if hair loss falls from the wearer. Can do.

  Also, shield left and right end mounting accommodating portions 30L and 30R are provided outside the left and right end portions of the view securing opening 22 so that the left and right ends of the shield 51 are in contact with part of the bottoms (stitches L and R). The left and right ends of the shield 51 are accommodated in the shield left and right end attachment housings 30L and 30R so that the left and right ends of the shield 51 overlap with the corresponding peripheral edge of the view securing opening 22 from the lower end. Is attached, the curved state of the shield 51 when not worn can be maintained, and the shield 51 does not come into contact with the wearer's nose when worn, and the feeling of wear (comfort) is improved.

  Further, since the lower end portion and the left and right end portions of the shield 51 are attached to the inside of the hood main body 21 with attachment members (attachment member portion 54A, attached member portion 54B), the shield 51 is inadvertently dropped from the hood main body 21. In addition, the hood main body 21 is easy to wear by rotating and moving with respect to the shield 51 around the attachment member.

  Further, when viewed from above in a non-wearing state, the shield 51 is curved in a circular arc shape at the center after protruding forward from both left and right ends, so that the shield 51 comes into contact with the wearer's nose when worn. The feeling of wear (comfort) is improved.

  Further, a slit 25 extending in the lateral direction that can be opened and closed in the vertical direction is provided below the visibility securing opening 22 of the hood main body 21, and the slit 25 can be opened and closed by the line fastener 26. Compared to the above, the mouth can be easily opened and closed without generating dust.

  In the above-described embodiment, the example in which the attachment members (attachment member portion 54A, attached member portion 54B) that attach the shield 51 to the hood main body 21 in a detachable manner is provided at four places (four) is shown. The number of the left and right end portions and the lower end portion of 51 may be three (three) or more.

  Moreover, although the example which attaches the shield 51 to the hood main body 21 with the attachment member was shown, even if it attaches the shield 51 to the hood main body 21 only with the shield left and right end attachment accommodating portions 30L and 30R, the same effect can be obtained. it can.

DESCRIPTION OF SYMBOLS 11 Dust-proof hood with shield 21 Hood body 22 Visibility securing opening 23 Respiration securing opening 24 Breathable material 25 Slit 26 Wire fastener (locking tool)
27L Listening securing opening 27R Listening securing opening 28L Breathable material 28R Breathable material 29L Shield left end cover portion 29R Shield right end cover portion 30L Shield left end portion mounting portion 30R Shield right end portion mounting portion 31 Skirt portion 41 Tightening adjustment mechanism 42 Tightening adjustment mechanism 51 Shield 52 Shield body 53 Shield body end protection member 54A Attachment member (attachment member)
54B Mounted member (mounting member)
H Air inflow opening L, R Seam (sewn part, stitch)

Claims (3)

The hood body for covering the head, Te dustproof food smell shielded the shield is attached to a portion of the periphery of the field of view secured opening provided at a position corresponding to the wearer's eyes,
A pair of shield end mounting accommodating portions that are open toward the center side of the visibility securing opening and that accommodate the left and right end portions of the shield are respectively defined in the left and right ends of the visibility securing opening. Provided on the outside of each,
In the state where each of the left and right end portions of the shield is housed in each of the shield end mounting housing portions and the shield is attached to the hood body, the portion from the lower end portion of the shield to the left and right end portions is It overlaps with the hood body inside the corresponding peripheral edge of the visibility securing opening, and each of the left and right ends of the elliptical arc shape of the shield corresponds to the elliptical arc bottom of each shield end mounting accommodating portion. An air inflow opening is formed between the upper end of the shield and the hood body, and the shield protrudes forward as an arc of a bow when viewed from above. A dust-proof hood with a shield. In the dustproof hood with a shield according to claim 1,
The shielded dust-proof hood , wherein the shield is formed in a plate shape, is curved in a state of being attached to the hood body, and has an arc shape of the bow . In the dustproof hood with a shield according to claim 1 or claim 2,
The dustproof hood with a shield , wherein the shield is not in contact with the nose when the shield is attached to the hood body .

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