KR100814366B1 - Welding mask - Google Patents

Abstract

A face shield for welding is provided to improve convenience of working by allowing conducting various works without repetition of putting on and taking off the shield. A face shield for welding comprises: a main body(100) formed to cover whole area of a user's face and a site corresponding to the user's eyes opened; a rotation cover(200) combined with the front side of the main body able to rotate upward and downward; a shade filter(210) established on the rotation cover to block lights generated during welding work; a combining implement(300) to give elasticity for the rotation cover to be rotated upward; and a fixation implement to fix or release from fixation the rotation cover, which is established at one side of the main body.

Description

Welding surface {Welding mask}

1 is a perspective view showing an example of a welding helmet according to the prior art.

2 is a perspective view showing a welding surface according to an embodiment of the present invention.

3 is a perspective view illustrating a state in which the pivoting cover of FIG. 2 is rotated.

4 is an exploded perspective view showing the coupling relationship of the coupling means components of FIG.

5 is a perspective view showing a welding surface according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: main body

      110: viewing window

      120: through hole

      130a: spring

      130b: mounting hole

      130c: pressing plate

      140: through hole

      150: stopper

200: rotation cover

      210: light blocking filter

      220: protrusion

      230: coupling hole

      240: seating groove

300: coupling means

      310: Spring

      320: knob holder

      330 knob

      340 washer

      350: Bolt

400: front cover

      410: hinge axis

      420: jamming projection

The present invention relates to a welded surface, and more particularly, a rotatable cover provided with a light shielding filter is rotatably coupled to the front of the main body, and a viewing window is further formed on the main body behind the rotatable cover to repeat wearing and removing the welding helmet. The present invention relates to a welded surface having improved work convenience by allowing various operations to be performed without having to.

In general, welding involves locally heating and melting using the fusible properties of the metal to join the two metals together.

In the welding operation, not only the strong light is emitted but also the fragments are splashed, so that the worker's eyes are exposed to light, which may cause vision damage, and the fragments may cause injury to the eyes of the worker.

Accordingly, many auto-shielding welding helmets are provided with a shielding filter made of LCD, glass, electronic circuits, control means, and a power supply device to protect workers by blocking strong light and debris generated during welding.

1 is a perspective view showing an example of a welding helmet according to the prior art, the welding surface 10 formed to cover the entire face, and the welding surface 10 is formed to be worn on the head welding surface 10 ) And the wear band 20 to rotate the upper and lower fixed angles of the welding surface 10 coupled to the rotating shaft 11 and the user from the strong light generated during the work being mounted at the eye level of the wearer of the welding surface. It consists of an LCD cartridge 12 for protecting the eyes, and a front cover 13 provided in front of the LCD cartridge 12 to protect the LCD cartridge 12.

According to such a conventional welding helmet, the strong light generated during the welding operation is blocked by the LCD cartridge.

By the way, when working or moving other than welding, strong light does not occur, so the role of shading filter is unnecessary, so when welding is not performed, the welding helmet should be taken off and worn again when welding is performed. There was the inconvenience of having to repeat the dressing.

In addition, the welding helmet is dismounted when the work is not welded. When grinding the welding helmet while the welding helmet is removed, debris generated during the work may cause injury to the operator's face or eye. There is this.

In addition, in case of contamination of the light blocking filter attached to the welding surface of the conventional welding helmet, failure of the electronic circuit device, or replacement of the battery for power supply, the welding helmet is detached and the coupling state is released behind the welding surface. Since the replacement of the light shielding filter is cumbersome, the replacement of the light shielding filter is cumbersome, and the shielding filter cannot be replaced while the welding helmet is worn.

An object of the present invention for solving the problems according to the prior art, and provided with a light shielding filter for blocking the light generated during welding and the rotation cover is coupled to the upper and lower sides rotatably coupled to the main body of the welding surface, the wearer's Including the see-through window provided in the main body at the position corresponding to the eyes, when the work or movement other than welding, opening the rotatable cover to the upper side to expose the see-through window, when the welding operation proceeds by lowering the rotatable cover to the bottom by the light-shielding filter By providing a strong light is blocked, to provide a welding surface to eliminate the hassle of having to repeat wearing and dismounting the welding helmet.

In addition, the present invention is a button coupled to the front lower end of the rotation cover to the welding surface main body, and coupled to the coupling means for imparting an elastic force so that the rotation cover is rotated in the upper direction on both sides, the rotation is released by simple button operation The cover is opened to the upper side by the elastic force of the coupling means to maintain the open state, so that the field of view can be secured without supporting the rotating cover by hand, and the opening of the rotating cover can be easily opened, thereby improving operator convenience. To provide a welding surface that can be made.

In addition, the present invention is provided with a front cover that is hinged to the side of the rotation cover in front of the rotation cover on which the light shielding filter is mounted, which is easy to open, thereby providing a welding surface that can facilitate mounting or replacement of the light shielding filter. Is in.

The welding surface of the present invention for solving the above technical problem is a position corresponding to the wearer's eye is opened and formed to cover the entire face, the rotation cover is coupled to the front, the bottom of the main body to be rotatable, A light shielding filter mounted on the rotation cover to block light generated during welding, the coupling cover is attached to both sides of the main body so as to be rotatable, and coupling means for imparting an elastic force to rotate the rotation cover upward. Is installed on one side of the main body characterized in that it comprises a fixing means for fixing or releasing the rotation cover.
Here, it is preferable to further include a viewing window installed at a position corresponding to the eye of the wearer on the front of the main body.
In addition, the coupling means is a spring that both ends are bent and the one end is bent and fixed to the body, the lower portion is opened to accommodate the spring and a through hole is formed in the upper portion and a plurality of locking jaws around the through hole And a knob holder formed of a rotatable body formed therein, and a plurality of locking grooves corresponding to the locking jaw are integrally formed with a disc body and a lower portion of the disc body, and the bent other end of the spring is inserted and fixed vertically. And a knob including a pillar formed with a bolt coupling portion to which a groove and a bolt are coupled, and a washer through which the bolt penetrates and is fixedly coupled to the pillar of the knob, wherein the knob holder is provided at both sides of the rotation cover. The rotation cover is rotated together when the knob holder is rotated by being coupled to the coupling hole formed in a shape corresponding to the knob holder. It is preferable.
In addition, the fixing means includes a spring receiving portion formed on one side of the main body and the spring receiving portion and the mounting hole is formed on the upper surface and the pressing plate is elastically coupled by the spring, the front lower portion of the pivoting cover detachable to the mounting hole It is more preferable that a locking projection is formed.
The rotation cover may further include a front cover which is hinged to one side thereof and opened and closed about a hinge axis to selectively open the light blocking filter.

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The invention will become more apparent through the preferred embodiments described below with reference to the accompanying drawings. Hereinafter will be described in detail to enable those skilled in the art to easily understand and reproduce through embodiments of the present invention.

2 is a perspective view showing a welding surface according to an embodiment of the present invention, Figure 3 is a perspective view showing a state in which the rotation cover of Figure 2 rotated.

According to one embodiment of the invention, the welding surface is coupled to the wearing band formed to be worn on the user's head through the rotating shaft to form a welding helmet, the main body 100, the rotation cover 200, and shading It comprises a filter 210 and a see-through window 110.

The main body 100 is formed so that the position corresponding to the wearer's eyes is open and covers the entire face, and the rotation cover 200 is rotatably coupled to the front and bottom of the main body 100.

Light blocking filter 210 is mounted to the rotation cover 200 to block the light generated during the welding operation, one side of the rotation cover 200, the sensitivity of the light shielding filter 210, shading degree, opening delay adjustment, etc. The control operation unit 500 is installed.

Perspective window 110 is installed to correspond to the wearer's eyes on the front of the main body 100 to prevent damage to the face or eye due to debris generated during operations such as grinding other than welding. Perspective window 110 is provided with a coupling groove (not shown) coupled to the engaging projection (not shown) formed on the inner surface of the main body 100 at both ends and is installed to be detachable to the main body 100, the main body 100 It is preferably made of a synthetic resin material to facilitate mounting and removal.

That is, according to the prior art, the light blocking by the light blocking filter 210 is not necessary at the time of work other than welding, and thus the grinding work is performed while the welding helmet is detached, and the debris generated during the work may damage the eyeball or the face. there was. However, according to the present invention, when the work other than welding, the work is performed in a state in which the rotating cover 200 equipped with the light shielding filter 210 is rotated upward, thereby allowing the see-through window 110 to block the debris from the eyes and face. You can protect.

On the other hand, the rotation cover 200 is coupled to both sides of the main body 100 by a coupling means 300 for imparting an elastic force to rotate in the upper direction, it is temporarily fixed through the button 130 provided in the main body 100 . That is, the button 130 has a pressing plate 130c having a mounting hole 130b formed on an upper surface thereof and is elastically coupled to the main body 100 by a spring 130a. The spring receiving portion 160 is formed on the main body 100. The spring 130a formed and received therein is coupled by a bolt (not shown) penetrating from the rear surface of the main body 100.

In addition, a locking protrusion 220 is inserted into the mounting hole 130b at the front lower end of the rotating cover 200, and the locking protrusion 220 is inserted into the mounting hole 130b so that the rotating cover 200 rotates. It is temporarily fixed to the main body 100.

According to such a configuration, pressing the pressing plate 130c releases the fixed state of the rotation cover 200 to open the see-through window 110.

In other words, when the pressing plate 130c is pressed, the locking protrusion 220 is separated from the mounting hole 130b to release the temporary fixing state and at the same time, the pivoting cover 200 is rotated upward by the elastic force of the coupling means 300. The viewing window 110 is to be opened.

On the other hand, the main body 100 may be further formed with a stopper 150 protruding to limit the rotation angle of the rotation cover 200 on the upper surface of the viewing window 110.

4 is an exploded perspective view showing a coupling relationship of the coupling means components of FIG. 2, wherein the coupling means 300 includes a spring 310, a knob holder 320, a knob 330, and a washer 340. .

The spring 310 has elastic restoring force, and bent portions 310a and 310b are formed at both ends thereof.

The knob holder 320 is formed to correspond to the coupling hole 210 of the rotation cover 200 in shape and is fixedly coupled to the coupling hole 210. The knob holder 320 is opened and the through hole 320a is disposed at the center of the upper surface. It is formed, and consists of a rotatable body formed with a plurality of engaging jaw (320b) on the upper surface around the through hole (320a).

The knob 330 is inserted and fixed to the other end of the spring 310 and coupled to one side of the knob holder 320 to rotate together with the knob holder 320, corresponding to the locking jaw 320b of the knob holder 320. A plurality of locking grooves 331a 'are projected to the lower portion of the disk body 331 and the disk body 331 formed on the lower surface of the vertical groove (332a) is formed in the center and the bolt in the center of the vertical groove (331a) It consists of a columnar body 332, the coupling portion 332b is formed.

In addition, the locking groove 331a formed in the knob 330 is preferably formed with an inclined surface 331a 'inclined upward at a predetermined angle.

That is, in order to reinforce the restoring force of the spring 310 by rotating the knob 330 coupled to the knob holder 320, the locking jaw 320b should be slidable along the inclined surface of the locking groove 331a. One side of the locking groove 331a preferably forms an upward inclined surface 331a '.

The washer 340 is formed with a through hole 341 through which the upper part is opened and the bolt 350 penetrates, and a plurality of protruding jaws 341 protruding inward to the upper opening surface so that the pillar body 232 is fixedly coupled. Is formed.

Looking at the coupling relationship of the coupling means configured as described above, the spring 310 is one side bent portion 310a is inserted and fixed in the through-hole 120 of the main body 100, a part of the body is accommodated in the knob holder 320 do.

The knob holder 320 accommodating a portion of the spring 310 is coupled to the coupling hole 230 formed at the inner end of the rotation cover 200 to be rotated together with the rotation cover 200, and the locking jaw 320b is rotated. It protrudes outward from the coupling hole 230 of the cover 200.

And, the knob 300 is the coupling hole 230 and the knob holder 320 of the rotation cover 200 from the outside of the rotation cover 200 so that the other bent portion (310b) of the spring is inserted into the vertical groove (332a). It is coupled to the knob holder 320 by penetrating through the through hole (320a) of the), may be rotated with the rotation of the knob holder 320, or may be rotated separately from the knob holder 320 by an external force.

The washer 330 passes through the through hole 340 from the inner surface of the main body 100 and through the bolt 350 that is fitted to the bolt coupling portion 332b formed at the center of the pillar body 332 of the knob 330. 330 is integrally coupled with.

Looking at the effects of this coupling relationship is as follows.

First, the knob 330 is rotated forward to impart an elastic force to the spring 310 connected between the main body 100 and the vertical groove 322a of the knob 330, the locking jaw (320b) locking groove (331a) Inserted in to combine the knob 330 and the knob holder 320.

Then, the locking protrusion 220 formed at the lower end of the rotation cover 200 is inserted into the mounting hole 130b to fix the rotation cover 200 to cover the see-through window 110.

At this time, when the pressing plate 130c is pressed to open the see-through window 110, the locking protrusion 220 is separated from the mounting hole 130b and the pivoting cover 200 is rotated upward by the elastic restoring force of the spring 310. .

In other words, when the locking protrusion 220 is separated from the mounting hole 130b in a state in which the spring 310 is compressed to have elastic force, the knob 330 is moved by the nature of the spring 310 to restore the spring 310. Rotation to the rear, accompanied by the knob holder 320 coupled with the knob 330 is to rotate to the rear.

As a result, as the knob holder 320 rotates, the pivot cover 200 into which the knob holder 320 is inserted is rotated in the upper direction of the main body 110 to open the see-through window 110.

On the other hand, when the operator rotates the pivoting cover 200 rotated upward to the lower direction by applying external force to insert the locking projection 220 into the mounting hole 130b, the knob holder 320 is rotated forward and at the same time the knob The knob 330 coupled to the holder 320 is accompanied by it to rotate forward.

Accordingly, the spring 310 connected between the knob 330 and the main body 100 is compressed to have an elastic force so that the rotation cover 200 is rotated upward by the elastic restoring force. It is temporarily fixed to the main body 200.

5 is a perspective view showing a welding surface according to another embodiment of the present invention, the description of the same components as in the embodiment of the present invention will be omitted.

According to another embodiment of the present invention, the pivoting cover 200 has a seating groove 230 in which the light shielding filter 210 is mounted on its front surface, and a hinge shaft (130) through a hinge coupling on one side of the pivoting cover 200. A front cover 400 is further provided to open and close the center 410 to selectively open the light blocking filter 210. A locking protrusion 420 is formed at the front cover 400 to engage or release the locking groove formed at one side of the rotation cover 200 to open and close the front cover 400.

According to another exemplary embodiment of the present invention, the front cover 400 that is easy to open and close is further provided on the front surface of the rotation cover 200 on which the light blocking filter 210 is mounted, thereby replacing or repairing the light blocking filter 210. It will be easy to.

As described above, the present invention further includes a rotating cover mounted with a light shielding filter that blocks light from being incident to the front of the main body so as to be rotatable, and further comprising a viewing window for protecting the face and eyes of the operator in the main body behind the rotating cover. For work or movement other than welding, the rotating cover is rotated to open to the upper side to expose the see-through window, and during welding operation, the rotating cover is lowered to block strong light by the light shielding filter, thereby securing worker safety. Not only can it eliminate the hassle of having to repeat wearing and removing the welding helmet, there is an advantage to improve the convenience of the operator.

In addition, the present invention by engaging the front lower end of the rotating cover to the welding surface main body and both sides of the coupling means having an elastic restoring force, the rotational cover is released by the simple button operation to release the rotation state by the elastic restoring force By maintaining it, it is possible to secure the field of view without supporting the rotating cover by hand, thereby improving the convenience of work and the productivity of work.

In addition, the present invention is provided with a front cover that is hinged to the side of the rotational cover to selectively cover the light shielding filter to facilitate the opening by the front cover, it is easy to install or replace the light shielding filter. There is an advantage to this.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many different and obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

Claims (5)

A main body formed to open a position corresponding to the wearer's eyes and cover the entire face; Rotating cover is coupled to the front of the main body to be rotated up and down; A light blocking filter mounted on the rotation cover to block light generated during a welding operation; Coupling means for attaching the pivot cover to both sides of the main body so as to be rotatable, and for providing an elastic force to pivot the pivot cover upward; And Is installed on one side of the main body includes a fixing means for fixing or releasing the rotation cover, The fixing means has a spring receiving portion formed on one side of the main body and the spring receiving portion and the mounting hole is formed on the upper surface and the pressing plate elastically coupled by the spring, Weld surface, characterized in that the front projection of the rotating cover is formed with a locking projection detachable to the mounting hole. The method of claim 1, Weld surface, characterized in that the front of the main body further comprises a viewing window which is installed at a position corresponding to the eye of the wearer. The method of claim 2, The coupling means A spring having both ends bent and one side end bent and fixed to the main body; A knob holder formed of a rotatable body having a lower opening, a through hole formed therein, and a plurality of locking jaws formed around the through hole to accommodate the spring; A plurality of locking grooves corresponding to the locking jaw are formed integrally with the disk body formed on the lower surface and the lower portion of the disk body and the bolt coupling portion is coupled to the vertical groove and the bolt is coupled to the other end of the spring is inserted and fixed A knob comprising a pillar; And A through hole through which the bolt penetrates is formed and includes a washer fixedly coupled to the pillar of the knob. The knob holder is coupled to the coupling hole formed in a shape corresponding to the knob holder on both sides of the rotation cover is welded surface characterized in that the rotation cover is rotated when the knob holder is rotated. delete The method of claim 1, The rotating cover is; And a front cover which is hinged to one side thereof and opened and closed about a hinge axis to selectively open the light blocking filter.

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