CN2262907Y

CN2262907Y - Multifuctional helment type mask

Info

Publication number: CN2262907Y
Application number: CN 96212592
Authority: CN
Inventors: 凌艳; 曹斯民; 曹麟
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-21
Filing date: 1996-06-21
Publication date: 1997-09-24
Anticipated expiration: 2006-06-21

Abstract

The multifunctional protective mask used for welding in a safe cap type of the utility model realizes the functions of lifting up the mask and disassembling off the mask at any time by the movable sockets arranged on the two sides of a safe cap and the special assembly of a connecting inserting board with elasticity arranged on the mask. The utility model realizes the function of opening an observation window box on an outer layer on any position in the angle of 180 DEG by a spring, a steel ball and a spacing porous board. The mask in a body connecting type can be changed into a hand holding type at any time by a hand holding device laid on the mask. The utility model really realizes multiple functions, reduces the welder's unnecessary labor and the inconvenient trouble and avoids the welder's unsafe factor at the construction site.

Description

Multifunctional safe hat type welding face guard

Functional safety hat type welding face guard described in the utility model be a kind of safety helmet can be connected by the dedicated set component or can be fast, the welding face guard arbitrarily installed and removed.Protective glasses can be opened arbitrarily angled in the scope of 190 degree by connecting position-limit mechanism under the situation that protective mast does not start.The multifunctional safe hat type welding face guard that the face shield handle can arbitrarily be installed and removed.

In industries such as chemical industry, building, shipbuilding, electric power, the welder is a very important work post, and welding face guard is welder's necessary tool and protective articles.But at present a lot of employed protective masts of the welder of unit are still two kinds of a kind of handle type and a kind of pullover types.Pullover type adds spring with screw and the pullover type card links together with the hoop protective mast.This screw also plays fixed visors and the active degree of tightness relation of headgear.The screw tension, effort when starting; Pine can make screw become flexible automatically through the repetitive process that repeatedly starts and cause the protective mast that lifts after opening to slide automatically easily, bring a lot of inconvenience to the welder, even owing to protective mast comes off industrial accident takes place slightly.The electric welder of a lot of units is owing to worn safety helmet, and it is very inconvenient to re-use the welding face guard reflection, so some welder of unit does not just wear a safety helmet at the construction field (site).So the welder is when the multilamellar cross-operation, when facing upward welding, be easy to cause head to bump, pound and accident such as burn.Especially high-altitude cross-operation, head, facial burn phenomenon are common, work the mischief to the welder.Many again can not the dismounting of existing safety helmet type welding protective cover caused welder's head burden when not welding, and the welder again more to be unwilling to use.

In view of there is such-and-such problem in present existing product at technical elements, the purpose of this utility model is a kind of simple in structure, reliable, easy to loading and unloading, easy to use safe novel multifunctional safety helmet type welding face guard of connection of development.Protective mast of the present utility model starts angle can be greater than 180 degree.The welder can satisfy the requirement of different welding positions with adjusting angle as required.The welder is the dismounting protective mast arbitrarily.Changing welding rod, can not start protective mast when checking the welding bead quality of just weld, to prevent automatic quick-fried and cause scald welder's positions such as eye, face of hot weld slag.The protection mirrored cabinet can start 180 degree with upper angle, and having overcome because of the protective housing movable part starts angle too small influences the sight line unfavorable factor.Easy to operate, laborsaving, safe and reliable.Solved welder's all worries and unsafe factor, so this practicality newly is a kind of practical multifunctional safe hat type welding face guard.

To be two groups of SA assemblies of a kind of usefulness organically link together safety helmet and welding face guard and observation visor this utility model, and perfect they functions separately.It is characterized in that: it is to be made of safety helmet, the protective mast that has an inside and outside double-deck observation window,

The fixedly connected rotation positioning socket mechanism in the center, two sides of safety helmet, it is made up of bolt, assembly cover, connecting plate, ring for fixing, guiding porous plate, steel ball, spring, base, nut, and is fastened on the safety helmet with this sequential organization;

Wherein, fix a spring leaf on the connecting plate, protective mast is fixed on the connecting plate; Spring leaf is installed on the assembly cover, clutches spring leaf and can withdraw from rotation positioning socket mechanism by related connecting plate;

Outer observation window case is fixedlyed connected with spacing porous plate and is linked in sequence with this by bolt, nut, with spacing porous plate, steel ball, spring and is fixed on the interior observation window of protective mast, constitutes a rotary positioning mechanism.

The drawing of accompanying drawing is described as follows:

Fig. 1 is this utility model shape of product sketch map;

Fig. 2 is this utility model overall structure sketch map;

Fig. 3 is this utility model observation window syndeton sketch map;

Fig. 4 is the partial structurtes enlarged diagram of E among Fig. 3;

Fig. 5 is the partial structurtes enlarged diagram of A among Fig. 1;

Fig. 6 is the partial structurtes enlarged diagram of C among Fig. 2, wherein goes up the vertical view of the width of cloth for the following width of cloth;

Fig. 7 is the local main TV structure enlarged diagram of D among Fig. 2;

Fig. 8 is the partial structurtes enlarged diagram of B among Fig. 2;

Fig. 9 is the safety helmet positioning socket STRUCTURE DECOMPOSITION sketch map that is rotatably connected with protective mast.

The utility model is described in further detail below with reference to drawings and Examples:

This utility model product structure is at the two sides of safety helmet 1 center position one rotation positioning socket mechanism to be installed.This mechanism be by bolt 11, nut 12, group expand cover 3, connect and sweep plate 6, ring for fixing 4, guiding porous plate 7, steel ball 8, spring 9, base 10 and combine, be installed in the two sides of safety helmet.Fix a spring leaf 5 on the connecting plate 6, protective mast 2 is fixed on the connecting plate 6; Spring leaf 5 is installed on the assembly cover 3, clutches spring leaf 5 and can withdraw from rotation positioning socket mechanism by related connecting plate 6; By connecting plate 6 and be connected and fixed spring leaf 5 welding face guard 2, safety helmet 1 are connected to become one can free active integral body.Welding face guard 2 can rotate the angular transformation work that realizes welding face guard around bolt 11 by connecting plate 6.Its concrete working method is: connecting plate 6 rotating band action-oriented porous plates 7 rotate, and compressing steel ball 8 breaks away from the position, hole, and when rotating to a correct position, steel ball 8 embeds spacing hole again under the effect of spring 9, play the effect of fixed protection face shield work.

Another characteristics of the present utility model are outer observation window case 13, bolt 15, nut 16, spacing porous plate 14, steel ball 24, spring 25 compositions.Clamp the external white glass sheet 17 of two-layer observation eyeglass in the outer observation window 13, built-in optical filtering coloured glass sheet 18, and with elastic steel sheet 27 to fix its position.Convenient for the replacing of satisfying optical filter 18 and screening glass white glass 17, this utility model still adopts modal common specification (107 * 50mm) filter glasss and screening glass on the existing market.It is installed housing and adopts resistance to impact the work plastic shaping of high tenacity.Opened when outer observation window case 13 lifts, observed the spring 25 on the window frame outward, compressed steel ball 24.Steel ball 24 is pressed in the hole of the porous plate 14 that is fixed on the observation window fixed frame, reaches to make the optional position of active observation window case 13 in 190 degree, can not change former rest position because of non-artificial consciousness ground.Thereby having solved the little observation window of existing welding face guard can only open an angle of 90 degrees and cause phenomenons such as the welder observes that unsighted and head movement scope is obstructed.When outer observation window case 13 is closed, the spring of being examined on window 13 (movable observing window) frame by outer observation 25 compresses steel ball 24 equally, steel ball 24 is pressed in the hole of being fixed in porous plate 23 on the fixing viewing mask, makes outer observation window fall into fixing the observation in the window frame and reaches the not effect of light leak in welding face guard.Simultaneously because the effect of spring 25 and steel ball 24 makes outer observation window 13 can not bring unexpected injury to the welder because of bowing or changing the position.Interior observation window is that single protection white glass 14 usefulness steel elastic steel sheets 27 are fixing.Simultaneously by interior, locate observation window case 13 and make for high tenacity work engineering plastics, therefore protection optical filter and white glass are prevented vibrations and breakage, anti-because of effect such as slit light leak is arranged.Because can be between each layer glass, thereby can not produce refracted ray or ghost image etc. and influence the factor of vision, thereby having alleviated the welder overcomes stray light to cause unnecessary visual fatigue, and the welder is finished the work like a cork from light leak between the slit.Simultaneously this inside and outside double-deck observation window can have been avoided slag cleaning work intermittent fever welding slag to scald or stab eyeball and facial and other positions or be subjected to the generation of the phenomenons such as arc light radiation welding flash eyes that other people weld when changing welding rod when the intensive operation of welder.In addition, one handle fixed socket 22 is set, the fixing card 21 of one handle is set, above wooden handle 19 is installed in the face shield side in the face shield front portion.

The utility model compared with prior art has following characteristics:

The heavy situation of head burden when it has solved not operation of welder; Solved face shield because of spiral shell Silk becomes flexible and can not guarantee that protective face mask rests on the desired location, even the phenomenon that comes off; Solved when changing welding rod or often scalded the phenomenons such as eye, facial neck when removing welding slag; Solved the unnecessary work that whole face shield is started when changing welding rod; Solved the welder Simultaneously during concentrative operation, start face shield and welded the radiation of chance arc light by other people because changing welding rod Burn eyeball and need wear the burden that repeats to protect that light-sensitive sunglasses are protected eyes. And at any time can Two monomers of Contiuum type welding face guard for branch hand-held face shield and safety cap, from And really solved welder's many unsafe factor in construction, ensured again the welder's Personal safety. Removed welder's head worry that over-burden when not welding from.

Claims

1. multifunctional safe hat type welding face guard is to be made of safety helmet, the protective mast that has an inside and outside double-deck observation window, it is characterized in that:

1. the fixedly connected rotation positioning socket mechanism in the center, two sides of safety helmet (1), it is formed, and is fastened on the safety helmet (1) with this sequential organization by bolt (11), assembly cover (3), connecting plate (6), ring for fixing (4), guiding porous plate (7), steel ball (8), spring (9), base (10), nut (12);

Wherein, fix a spring leaf (5) on the connecting plate (6), protective mast (2) is fixed on the connecting plate (6); Spring leaf (5) is installed on the assembly cover (3), clutches spring leaf (5) and can withdraw from rotation positioning socket mechanism by related connecting plate (6);

2. outer observation window case (13) is fixedlyed connected with spacing porous plate (23) and is linked in sequence with this by bolt (15), nut (16), with spacing porous plate (23), steel ball (24), spring (25) and is fixed on the interior observation window of protective mast (4), constitutes a rotary positioning mechanism.

2. multifunctional safe hat type welding face guard according to claim 1, it is characterized in that: it is external from sheet glass (17) to clamp two-layer observation eyeglass in the outer observation window (13), built-in optical filtering coloured glass sheet (18), and with elastic steel sheet (27) to fix its position.

3. according to claim 1,2 described multifunctional safe hat type welding face guards, it is characterized in that: inside and outside observation window case is high-toughness engineering plastic and makes.

4. multifunctional safe hat type welding face guard according to claim 1 is characterized in that: one handle fixed socket (22) is set in the face shield front portion, the fixing card of one handle (21) is set, above wooden handle (19) is installed in the face shield side.