CN204016614U - The welder mask of manual control open-close filter lens - Google Patents

Abstract

This utility model belongs to welding armour technical field, relate to a kind of welder mask, be specifically related to a kind of welder mask of manual control open-close filter lens, comprise face shield assembly, extension airbag, trachea, optical filter box and compressing gasbag, the compression unit of compressing gasbag is extruded with upper arm, optical filter box is swayed to and avoids the position of clear glass completely, decontrol compression unit, pars contractilis internal gas pressure diminishes, automatically shrink under the effect of natural resiliency power, pull eccentric shaft, optical filter box is rotated to cover the position of clear glass, optical filter is kept to cover clear glass when arc light produces, clear glass is avoided when suspending welding.This utility model can protect eyes, can free by handle again, helps to help part to be welded.

Description

The welder mask of manual control open-close filter lens

Technical field

This utility model belongs to welding armour technical field, relates to a kind of welder mask, is specifically related to a kind of welder mask of manual control open-close filter lens.

Background technology

When electric welding, in order to prevent arc light, the motlten metal splashed, the harmful factors such as the dust flown upward or the gas of volatilization are to eyes, face damages, research worker creates welder mask, general by hands handle, face shield and optical filter composition, observation window is had in the middle of face shield, observation window is provided with optical filter, face shield uses high temperature resistant, do not burn, light tight, air-locked material manufacture, optical filter is Dark Clear, high temperature resistant except having, do not burn, air-locked feature, also for stopping the ultraviolet that arc light produces, infrared radiation, reduce the injury that eye and skin are caused, the eyes of people can observe welding situation through optical filter again simultaneously, face shield and optical filter form continuous print plates, keep off between workman's face and soldering part.Handle is arranged on face shield bottom, conveniently uses hand grip.

The logical photosensitiveness of optical filter is very poor, and have during arc light and can see welding situation clearly through optical filter, when not having arc light, workman can't see anything through optical filter.People is when welding, with hand-held a face shield, another hand-held soldering turret, when doing weld preparation work, face shield is lifted in the position that can't stop sight line, when having prepared arc welding, again face shield is transferred to the position in the middle of eyes and soldering part, make eyes can see welding situation through optical filter, then arc welding has been started, when welding suspends, face shield is transferred to the position that can't stop sight line, observe, transfer is returned again, play arc welding, this hand-held face shield moves past always, cumbersome, this hands holds face shield all the time, other thing can not be done simultaneously, want help help part to be welded time, temporarily face shield is put on one side, hold up, decontrol part to be welded, pick up face shield again, other workman is asked to help, also inconvenient so work together.

There is a lot of people to do various trial, want to make optical filter can automatically or semi-automatically move to or remove the position of eyes and weldment centre by alternate manner, this hands is freed, can help to help welding work pieces.

Than using if any people photometry sensor to detect arc light, then converting the signal of telecommunication to, controlling electronics executive component and driving optical filter to move, when having an arc light, optical filter moves in the middle of eyes and weldment, does not have to remove during arc light again.This working method has liberated this hands really, there is certain convenience, but the light velocity is too fast, the action of executive component always slow one is clapped, when moving into place Deng optical filter, arc light is radiated on eyes, even if closed eyes in advance, but also very large to the skin damage of around eyes, so general effect bad, be not used more widely.

Also someone attempts the action control optical filter by tooth or lower jaw, but the mode of the parts that bite with the teeth is too unhygienic, and foul easily enters oral cavity, and the motion muscle of lower jaw is used to have a meal and speak, and be not used to work, long-time work is easy to fatigue.

In a word, various trial is all unsuccessful, and most workman likes using hand screen, although use inconvenient, but does not up to the present better select.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality need, provides a kind of welder mask of manual control open-close filter lens.

This utility model is achieved through the following technical solutions, and namely a kind of welder mask of manual control open-close filter lens, comprises face shield assembly, extension airbag, trachea, optical filter box and compressing gasbag; Face shield assembly comprises face shield and elastic webbing, the face of the shape of face shield and size and people matches, just in time human face can be attached to, be used for protecting the face of people can not expose to the open air under the irradiation of arc light, elastic webbing two ends are separately fixed at face shield arranged on left and right sides, around the back of workman's head, be used for making face shield be fixed on the face of people, prevent from dropping; Plane is made in position near eyes on face shield, so that install optical filter box and other parts; There is light hole the position that planar section faces eyes, light hole is coated with clear glass, eyes can see part to be welded through clear glass, clear glass dough-making powder hood-shaped one-tenth continuous print plates, keep off the gas that can stop dust and the volatilization of flying upward at face; Optical filter box comprises crank, lens frame, optical filter, and lens frame is U-shaped, and mid-plane has square hole, and optical filter is installed and covered square hole completely, porose on two side planes; The spindle nose concentric at crank two ends, middle one section is eccentric shaft, and the hole on the spindle nose at two ends and lens frame two side plane is fixedly connected; On face shield, planar section both sides are porose, become hinge with the diaxon head group of crank, optical filter box rotates around hinge, when turning to the position near face shield, optical filter can cover clear glass completely, when people masks and observes weldment, simultaneously through clear glass and optical filter, when turning to another extreme position, clear glass can be avoided completely, when people masks and observes weldment, only through clear glass, optical filter can not obstruct the view; Extension airbag is the elastomer of bellows form, and two ends seal, and form a seal chamber, two ends are fixed with earrings respectively; Face shield there is support plate, porose on support plate; Earrings below and eccentric shaft composition hinge, the hole on earrings above and support plate forms hinge-coupled by bearing pin; Can automatically shrink when extension airbag internal gas pressure is less, pull eccentric shaft, optical filter box is rotated to cover the position of clear glass, when extension airbag internal gas pressure is larger, energy axial elongation, promotes eccentric shaft and makes optical filter box rotate to the position avoiding clear glass completely; Compressing gasbag comprises braces and compression unit, and compression unit is an elastic packing air bag, and braces two ends are fixed on compression unit, and for being tiltedly worn at workman's shoulder, compression unit is positioned at workman's opposite side armpit, and the upper arm of workman can extrude compression unit; Compression unit and pars contractilis there is opening respectively, trachea connects two openings, three forms a sealing system, and during upper arm extruding compression unit, inner air flow to pars contractilis by trachea, the change of pars contractilis inner air pressure is then extended greatly, when upper arm removes extruding force, compression unit resiles automatically, and air flows back to again, pars contractilis inner air pressure diminishes, and automatically shrinks again under the effect of natural resiliency power.

In use, first workman puts on face shield assembly, face shield is made to be attached to face, make elastic webbing around head rear portion, then tiltedly compressing gasbag is carried on the arm, compression unit is made to be positioned at axil portion, trachea around back welding slag sputtering less than position, compression unit is extruded with upper arm, air in compression unit flow to pars contractilis, pars contractilis extends, the eccentric shaft of throw crank, optical filter box is swayed, optical filter box is made to rotate to the position avoiding clear glass completely, human eye can observe part to be welded by clear glass, such two handss can be used for arranging and helping part to be welded, after putting in order, one hand steered holds part to be welded, another holds soldering turret, first compression unit was decontroled before click welding rod, compression unit is relieved extruding force and can automatically be resiled, air in pars contractilis flows back to again, pars contractilis internal gas pressure diminishes, automatically shrink under the effect of natural resiliency power, pull eccentric shaft, optical filter box is rotated to cover the position of clear glass, at this moment reignition of arc welding, arc light produces, eyes can observe welding situation through clear glass and optical filter, until when needing to suspend welding, first remove welding rod, treat that arc light disappears, extrude compression unit again, optical filter avoids clear glass again completely, eyes can observe welding effect through clear glass, two handss arrange part to be welded, in a word, arc light must keep optical filter to cover clear glass when producing, just optical filter can be removed when welding suspends, eyes would not be hurt like this.

When welding less part, also can compression unit be pinched in hands, and tiltedly need not be worn at oxter, the third finger, little finger of toe and the palm of the hand is used to clamp compression unit, three fingers in addition can help to help part, pinch compression unit with strength when arranging part, when playing arc welding, void pinches, and makes it keep the original shape state do not compressed.

When long-time continuous welding, clip also can be used to clamp compression unit for a long time, make optical filter box cover clear glass for a long time.

The beneficial effects of the utility model are: can protect eyes, can free by handle again, help to help part to be welded.

Accompanying drawing explanation

Shown in figure: 1. face shield assembly; 1-1. support plate; 1-2. face shield; 1-3. clear glass; 1-4. elastic webbing; 1-5. hole; 1-6. plane; 1-7. light hole; 2. extension airbag; The upper earrings of 2-1.; 2-2. pars contractilis; Earrings under 2-3.; 3. bearing pin; 4. trachea; 5. optical filter box; 5-1. crank; 5-2. lens frame; 5-3. optical filter; 6. compressing gasbag; 6-1 braces; 6-2. compression unit; 7. human body; 7-1. head; 7-2. back; 7-3. shoulder; 7-4. axil portion; C. the direction of compressing gasbag 6 is pressed; D. direction of motion when compressing gasbag 6 restores during releasing pressing force;

Fig. 1 is structural upright schematic diagram of the present utility model;

Fig. 2 is that this utility model is worn on workman's schematic perspective view with it;

Fig. 3 is structural upright schematic diagram of the present utility model, has been transformed into another visual angle;

Fig. 4 is this utility model front view;

Fig. 5 is the sectional view along A-A line in Fig. 4, the situation when optical filter box 5 shelters from light hole 1-7;

Fig. 6 is the sectional view along A-A line in Fig. 4, the situation when optical filter box 5 does not block light hole 1-7;

Fig. 7 is optical filter box 5 perspective view;

Fig. 8 is B direction view in Fig. 6;

Fig. 9 is compressing gasbag 6 schematic diagram when being pressed;

Figure 10 restores schematic diagram after compressing gasbag 6 removes pressing force.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is further described:

Embodiment: see Fig. 1 to Figure 10.

A welder mask for manual control open-close filter lens, comprises face shield assembly 1, extension airbag 2, trachea 4, optical filter box 5 and compressing gasbag 6; As shown in Figures 1 to 6, face shield assembly 1 comprises face shield 1-2 and elastic webbing 1-4, as shown in Figure 2, the face of the shape of face shield 1-2 and size and people matches, and just in time can be attached to human face, is used for protecting the face of people can not expose to the open air under the irradiation of arc light, elastic webbing 1-4 two ends are separately fixed at face shield 1-2 arranged on left and right sides, around the back of workman's head 7-1, be used for making face shield 1-2 be fixed on the face of people, prevent from dropping; As shown in Figure 5 and Figure 6, plane 1-6 is made in the position near eyes on face shield 1-2, so that install optical filter box 5 and other parts; There is light hole 1-7 the position that plane 1-6 part faces eyes, light hole 1-7 is coated with clear glass 1-3, eyes can see part to be welded through clear glass 1-3, clear glass 1-3 and face shield 1-2 forms continuous print plates, keeps off the gas that can stop dust and the volatilization of flying upward at face; As shown in Figure 7, optical filter box 5 comprises crank 5-1, lens frame 5-2, optical filter 5-3, lens frame 5-2 are U-shapeds, and mid-plane has square hole, and optical filter 5-3 installs and covers square hole completely, porose on two side planes; The spindle nose concentric at crank 5-1 two ends, middle one section is eccentric shaft, and the hole on the spindle nose at two ends and lens frame 5-2 two side plane is fixedly connected; As shown in Fig. 5, Fig. 6 and Fig. 8, plane 1-6 both sides on face shield 1-2 are porose, hinge is become with the diaxon head group of crank 5-1, optical filter box 5 rotates around hinge, when turning to the position near face shield 1-2, optical filter 5-3 can cover clear glass 1-3 completely, when people masks and observes weldment, want simultaneously through clear glass 1-3 and optical filter 5-3, when turning to another extreme position, clear glass 1-3 can be avoided completely, when people masks and observes weldment, only through clear glass 1-3, optical filter 5-3 can not obstruct the view; As shown in Figure 5 and Figure 6, extension airbag 6 is elastomers of bellows form, and two ends seal, and form a seal chamber, are fixed with earrings 2-1 and lower earrings 2-3 on sealing plate respectively; Face shield 1-2 there is support plate 1-1, porose on support plate 1-1; The eccentric shaft composition hinge of lower earrings 2-3 and crank 5-1, the hole on upper earrings 2-1 and support plate 1-1 forms hinge-coupled by bearing pin 3; Can automatically shrink when extension airbag 2 internal gas pressure is less, pull the eccentric shaft of crank 5-1, optical filter box 5 is made to rotate to the position covering clear glass 1-3, when extension airbag 2 internal gas pressure is larger, energy axial elongation, the eccentric shaft of throw crank 5-1 makes optical filter box 5 rotate to the position avoiding clear glass 1-3 completely; As shown in Figures 1 to 4, compressing gasbag 6 comprises braces 6-1 and compression unit 6-2, compression unit 6-2 is an elastic packing air bag, braces 6-1 two ends are fixed on compression unit 6-2, for being tiltedly worn at workman's shoulder 7-3, compression unit 6-2 is positioned at opposite side armpit 7-4, and the upper arm of workman can extrude compression unit 6-2; Compression unit 6-2 and pars contractilis 2-2 there is opening respectively, trachea 4 connects two openings, and three forms a sealing system, during upper arm extruding compression unit 6-2, along the C Direction distortion in Fig. 9, inner air flow to pars contractilis 2-2 by trachea 4, and the change of pars contractilis 2-2 inner air pressure is then extended greatly, when upper arm removes extruding force, compression unit 6-2 resiles automatically along the D direction in Figure 10, air flows back to again, and pars contractilis 2-2 inner air pressure diminishes, and automatically shrinks again under the effect of natural resiliency power.

In use, first workman puts on face shield assembly 1, face shield 1-2 is made to be attached to face, make elastic webbing 1-4 around head 7-1 rear portion, then compressing gasbag 6 is tiltedly carried on the arm, compression unit 6-2 is made to be positioned at armpit 7-4, trachea 4 around back 7-2 welding slag sputtering less than position, compression unit 6-2 is extruded with upper arm, air in compression unit 6-2 flow to pars contractilis 2-2, pars contractilis 2-2 extends, the eccentric shaft of throw crank 5-1, optical filter box 5 is swayed, optical filter box 5 is made to rotate to the position avoiding clear glass 1-3 completely, human eye can observe part to be welded by clear glass 1-3, such two handss can be used for arranging and helping part to be welded, after putting in order, one hand steered holds part to be welded, another holds soldering turret, compression unit 6-2 was first decontroled before click welding rod, compression unit 6-2 is relieved extruding force and can automatically be resiled, air in pars contractilis 2-2 flows back to again, pars contractilis 2-2 internal gas pressure diminishes, automatically shrink under the effect of natural resiliency power, pull the eccentric shaft of crank 5-1, optical filter box 5 is made to rotate to the position covering clear glass 1-3, at this moment click again and start welding, arc light produces, eyes can observe welding situation through clear glass 1-3 and optical filter 5-3, until when needing to suspend welding, first remove welding rod, treat that arc light disappears, extrude compression unit 6-2 again, optical filter 5-3 avoids clear glass 1-3 again completely, two handss arrange part to be welded, in a word, arc light must keep optical filter 5-3 to cover clear glass 1-3 when producing, eyes would not be hurt like this.

Claims (1)

1. a welder mask for manual control open-close filter lens, is characterized by:

Comprise face shield assembly, extension airbag, trachea, optical filter box and compressing gasbag;

Face shield assembly comprises face shield and elastic webbing, and elastic webbing two ends are separately fixed at face shield arranged on left and right sides, around the back of workman's head;

Position near eyes on face shield is plane; There is light hole the position that planar section faces eyes, and light hole is coated with clear glass, clear glass dough-making powder hood-shaped one-tenth continuous print plates;

Optical filter box comprises crank, lens frame, optical filter, and lens frame is U-shaped, and mid-plane has square hole, and optical filter is installed and covered square hole completely, porose on two side planes;

The spindle nose concentric at crank two ends, middle one section is eccentric shaft, and the hole on the spindle nose at two ends and lens frame two side plane is fixedly connected;

On face shield, planar section both sides are porose, and become hinge with the diaxon head group of crank, optical filter box rotates around hinge;

Extension airbag is the elastomer of bellows form, and two ends seal, and form a seal chamber, two ends are fixed with earrings respectively;

Face shield there is support plate, porose on support plate;

Earrings below and eccentric shaft composition hinge, the hole on earrings above and support plate forms hinge-coupled by bearing pin;

Compressing gasbag comprises braces and compression unit, and compression unit is an elastic packing air bag, and braces two ends are fixed on compression unit, and for being tiltedly worn at workman's shoulder, compression unit is positioned at workman's opposite side axil portion;

Compression unit and pars contractilis have opening respectively, and trachea connects two openings, and three forms a sealing system.