CN209965346U - Safety helmet for electric welding - Google Patents
Safety helmet for electric welding Download PDFInfo
- Publication number
- CN209965346U CN209965346U CN201920171934.XU CN201920171934U CN209965346U CN 209965346 U CN209965346 U CN 209965346U CN 201920171934 U CN201920171934 U CN 201920171934U CN 209965346 U CN209965346 U CN 209965346U
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- safety helmet
- connecting plate
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- white glass
- white
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Abstract
The utility model discloses an electric welding safety helmet, including the safety helmet, the face guard, the upper portion rear side of face guard passes through the connecting axle with the safety helmet and articulates, the front side upper portion of face guard be with safety helmet front side complex arcwall face, the arcwall face is connected with the protective body of lower part, be equipped with the observation window with operator's eyes position matched with on the protective body, the observation window includes the casing, the casing passes through the articulated shaft with the face guard and is connected, the front side of the inner chamber of casing is equipped with white glass, the inner chamber rear side is equipped with black glass, white glass separates through the middle divider pad with black glass, white glass passes through observation window baffle location with black glass, be equipped with the open slot that supplies white glass to take out and put into on left side baffle or right side baffle, inboard at the side baffle is equipped with white. The utility model discloses a white colored glaze is fixed reliable, easy dismounting, can conveniently pour out or take out clearance and change white glass, keeps the stability of face guard, makes the operator keep welding operation under comfortable state.
Description
Technical Field
The utility model relates to an electric welding safety protection equipment technical field especially relates to an electric welding safety helmet.
Background
The protective mask and the helmet which are commonly used by an electric welding operator in the prior art adopt a split structure, one hand is needed to hold the protective mask during electric welding operation, and the other hand is needed to carry out electric welding operation, so that the problems that the operator is easy to fatigue and the working efficiency is low, and especially in inconvenient electric welding operation positions and occasions, the operation mode also has potential safety hazards; in addition, the observation window glass of the mask in the prior art is inconvenient to disassemble and assemble, and the white glass on the outer side is inconvenient to disassemble and assemble after being polluted and damaged, so that inconvenience is brought to an operator.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric welding safety helmet aiming at the defects in the prior art; because the utility model discloses be equipped with the open slot that supplies white glass to take out and put into on the baffle of the observation window casing of face guard, be equipped with the hold-down mechanism that compresses tightly white glass in the draw-in groove and avoid deviating from white colored glaze from the open slot in the baffle inboard, when white colored glaze needs to be changed, rotatory hold-down mechanism's round pin axle makes the certain angle of eccentric wheel swing, and the eccentric wheel breaks away from the contact with white colored glaze, can conveniently pour white glass or take out.
The utility model provides a technical scheme is:
an electric welding safety helmet comprises a safety helmet and a face shield which are connected with each other, wherein the rear side of the upper part of the face shield is hinged with the safety helmet through a connecting shaft, the upper part of the front side of the face shield is an arc-shaped surface matched with the front side of the safety helmet, and the arc-shaped surface is in sealing fit with the outer curved surface of the front side of the face shield; the arcwall face is connected with the protective body of lower part, be equipped with on the protective body with operator's eyes position matched with observation window, the observation window includes the casing, the casing passes through articulated shaft with the face guard and is connected, the casing rotates the angle of setting for round the articulated shaft, the front side of the inner chamber of casing is equipped with white glass, the inner chamber rear side is equipped with black glass, white glass separates through middle separating pad with black glass, white glass passes through observation window left side baffle location with black glass's left side, the right side passes through observation window right side baffle location, be equipped with the open slot that supplies white glass that corresponds with white glass position on left side baffle or right side baffle and take out and put into, be equipped with the hold-down mechanism that compresses tightly white glass on the medial surface of the front portion of casing at left side baffle or.
The mask limiting plate is arranged on the front brim of the safety helmet and comprises a left connecting plate, a right connecting plate and a front connecting plate which are connected, the left connecting plate, the right connecting plate and the front connecting plate form an upper opening to obtain an inner cavity, a positioning hole which is through in the front-back direction is arranged in the middle of the front connecting plate, the rear part of the positioning hole is communicated with the inner cavity, and the lower parts of the left connecting plate, the right connecting plate and the front connecting plate are connected with the front brim; and a positioning column is arranged on the inner side surface of the arc-shaped surface of the mask and matched with the positioning hole, and the positioning column is inserted into the positioning hole for positioning.
The face guard is equipped with the elastic component fixed block respectively in the both sides of arcwall face, be equipped with the adjustment tank that is used for fixed elastic component fixed block on the arcwall face, the elastic component fixed block is fixed through retaining member locking around in the adjustment tank direction slip, and the both ends of elastic component are connected with the elastic component fixed block of both sides respectively, and the middle part of elastic component is connected, is realized fixing a position through the locating part at safety helmet rear portion at the rear side with the rear portion of safety helmet.
The open slot is provided with a detachable sealing baffle.
The pressing mechanism comprises an eccentric wheel, the eccentric wheel is connected with a pin shaft, the pin shaft is matched with a pin hole in the left baffle, the pin shaft can swing around an axis to set an angle in the pin hole, and the pin hole is formed in the position of the left baffle between the white glass and the black glass.
The lower part of the face mask is respectively provided with a rubber protective structure which can be conveniently detached.
The safety helmet or the face mask is provided with a handle.
The handle is arranged on the mask and adopts a structure which can stretch in the length direction.
The elastic member is a stainless steel spring or an elastic band having a desired elasticity.
The utility model has the advantages that:
1. because the open slot for taking out and putting in the white glass is arranged on the left baffle or the right baffle of the observation window shell of the mask of the utility model, the inner side of the left baffle or the right baffle is provided with a pressing mechanism which presses the white glass in the clamping groove to avoid the white glass from falling out of the open groove, the periphery of the white glass is embedded in the clamping groove of the shell, the pressing mechanism comprises an eccentric wheel, the eccentric wheel is connected with a pin shaft, the pin shaft is matched with a pin hole in a right baffle plate, the pin shaft can swing around an axis to set an angle in the pin hole, the pin hole is formed in the position of the left baffle plate or the position of the right baffle plate between the white glass and the black glass, the pin shaft is manually rotated to drive the eccentric wheel to swing, so that the eccentric wheel is in contact with and separated from the white glass, the white colored glaze is pressed in the clamping groove when the eccentric wheel is in contact with the white colored glaze, and the white colored glaze is firmly fixed in the; when the white colored glaze needs to be replaced, the pin shaft is rotated to enable the eccentric wheel to swing by a certain angle, the eccentric wheel is separated from the white colored glaze, the white glass can be poured out or taken out conveniently, and the white glass is convenient to clean and replace.
2. Because the two side surfaces of the mask are respectively provided with the rubber shields, the influence of arc light generated by welding operation on the two sides near an operator on the operator is avoided through shielding and protection of the rubber shields.
3. The detachable sealing baffle is arranged in the open slot. The baffle seals the slot opening position during normal use, prevents that dust impurity from getting into in the casing, to white glaze, black glass and the pollution of inner space, just can conveniently take out white glass after demolising the baffle when needing to take out white glass.
4. The middle part of the elastic part is connected with the rear part of the safety helmet at the rear side, the positioning is realized through the limiting part arranged at the rear part of the safety helmet, the elastic part such as a spring or an elastic band is prevented from being separated from the safety helmet, the mask can be conveniently and reliably connected with the safety helmet, an operator is guaranteed not to hold the safety helmet by hands, the electric welding operation of both hands of the operator is realized, the labor intensity of one-hand operation is reduced, and the working efficiency and the safety are improved.
5. The elastic connecting piece adopts a stainless steel spring or an elastic band with required elasticity, and the angle of the upper and lower inclination of the mask can be conveniently adjusted by adjusting the slotted hole, so that the mask can be suitable for different operators to wear and keep the wearing comfort. During operation, when the locating column cooperates with the locating hole, after the locating column deepens and realizes reliable location in the locating hole, adjust the elastic component fixed block and be in suitable position in the adjustment tank for the locating position is in the plane that the elastic component formed, the elastic component passes through the rear portion location of safety helmet and keeps safety helmet and face guard at required tensioning force, make the position of operator's eyes correspond with the position of observation window, play the guard action to operator's eyes, guarantee simultaneously that operator's safety helmet wears comfortablely. When the face guard is not needed to be protected or the observation window is needed to be lifted, the face guard is directly turned upwards, the face guard rotates for an angle around the rotating shaft, and the positioning column is separated from the positioning hole.
Drawings
FIG. 1 is a schematic structural view of a safety helmet for electric welding of the present invention;
FIG. 2 is a schematic structural view of a safety helmet;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the mask;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic view of the structure of the positioning post of the mask matching with the positioning hole of the limiting plate of the mask;
FIG. 7 is a cross-sectional view C-C of FIG. 4;
fig. 8 is an enlarged view of part I of fig. 4.
Detailed Description
For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings
With reference to fig. 1-8, an electric welding safety helmet comprises a safety helmet 1 and a face mask 2 which are connected with each other, wherein the upper rear side 202 of the face mask 2 is hinged to the safety helmet 1 through a connecting shaft 101, the upper portion of the front side of the face mask 2 is an arc-shaped surface 201 matched with the front side of the safety helmet 1, the arc-shaped surface 201 is in sealing fit with the outer curved surface of the front side of the face mask 2, and the sealing performance of the arc-shaped surface 201 and the face mask 2 is guaranteed to prevent sundries such as welding slag from falling into the safety helmet 1 and the face mask 2 from the gap between the safety helmet 1 and the face mask 2 and causing.
The arc-shaped surface 201 is connected with a lower protective body 203, the protective body 203 is provided with an observation window 4 matched with the eye position of an operator, the observation window comprises a shell 49, the shell 49 is connected with a face mask 2 through a hinge shaft 42, the shell 49 rotates around the hinge shaft for a set angle, the front side of the inner cavity of the shell 49 is provided with white glass 41, the rear side of the inner cavity is provided with black glass 48, the white glass 41 and the black glass 48 are separated through a middle separating pad 47, the left sides of the white glass 41 and the black glass 48 are positioned through a left baffle 40 of the observation window, the right sides of the white glass 41 and the black glass 48 are positioned through, an open groove 44 corresponding to the position of the white glass and used for taking out and putting in the white glass is arranged on the left baffle 40 or the right baffle 43, a pressing mechanism for pressing the white glass on the inner side end face 50 of the front part of the shell 49 is arranged on the inner side of the left side baffle plate or the right side baffle plate 43, and the pressing mechanism prevents the white glass from falling out of the opening groove.
A removable seal retainer 51 is provided in the open groove 44. Sealing baffle 51 seals the slot opening position during normal use, prevents that dust impurity from getting into in the casing, to white glaze, black glass and inner space's pollution, just can conveniently take out white glass after demolising sealing baffle 51 when needing to take out white glass.
The hold-down mechanism of this embodiment is connected to the left baffle 40. The pressing mechanism comprises an eccentric wheel 46, the eccentric wheel is connected with a pin shaft 45, the pin shaft 45 is matched with a pin hole in the left side baffle 40, the pin shaft can swing around an axis in the pin hole to set an angle, and the pin hole is formed in the position of the left side baffle 40 between the white glass and the black glass.
The rocking of the eccentric 46 causes the eccentric to contact and disengage the white glass, which when in contact with the white glass compresses the white glass against the forward inside end face 50 of the housing 49, firmly compressing the white glass against the forward inside end face 50 of the housing 49 by cam self-locking. When the white glass needs to be replaced, the pin shaft is rotated to enable the eccentric wheel to swing by a certain angle, the eccentric wheel is separated from the white glass, and the white glass can be poured out or taken out conveniently.
Be equipped with face guard limiting plate 3 on the preceding brim of a hat of safety helmet, face guard limiting plate 3 is including the left side connecting plate 31, right side connecting plate 32, the front side connecting plate 33 that are connected, left side connecting plate 31, right side connecting plate 32, front side connecting plate 33 form the upper portion opening and obtain inboard cavity 34, are equipped with the locating hole 35 that the fore-and-aft direction link up in the intermediate position of front side connecting plate 33, and the rear portion and the inboard cavity 34 intercommunication of locating hole 35, the following and preceding brim of a hat of left side connecting plate 31, right side connecting plate 32, front side connecting plate 33.
The inner side surface of the arc-shaped surface 201 of the face mask 2 is provided with a positioning column 204, the positioning column 204 is matched with the positioning hole 35, and the positioning column 204 can be inserted into the positioning hole 35 to realize positioning.
The face guard 2 is provided with elastic component fixed blocks 205 on two sides of the arc-shaped surface 201 respectively, an adjusting groove 206 for fixing the elastic component fixed blocks 205 is arranged on the arc-shaped surface, and the elastic component fixed blocks 205 slide in the adjusting groove 206 in the front-back direction and are locked and fixed through locking components. For example, the elastic element fixing block may adopt a bolt-nut structure, two ends of the elastic element 207 are respectively connected to the elastic element fixing blocks 205 at two sides, a middle portion of the elastic element is connected to the rear portion of the helmet 1 at the rear side, and the elastic element such as a spring or an elastic band is positioned by the limiting member 102 disposed at the rear portion of the helmet 1 to prevent the elastic element from separating from the helmet. The elastic member 207 may adopt a spring structure or an elastic band having a desired elasticity. The elastic part 207 can be a stainless steel spring, and the angle of the upper and lower inclination of the mask can be conveniently adjusted through the hole of the adjusting groove 206, so that the mask can be suitable for different operators to wear and keep the wearing comfort.
During operation, when the locating column 204 and the cooperation of locating hole 35, after locating column 204 deepened and realized reliable location in locating hole 35, adjust elastic component fixed block 205 and be in suitable position in adjustment tank 206, make the locating position be in the plane that the elastic component formed, the elastic component passes through the rear portion location of safety helmet 1 and keeps safety helmet 1 and face guard 2 at required tensioning force, make operator's eyes position and observation window 4's position correspond, play the guard action to operator's eyes, guarantee simultaneously that operator's safety helmet wears comfortablely. When the face shield 2 is not needed to be protected or the observation window 4 is needed to be lifted, the face shield 2 is directly turned upwards, the face shield 2 rotates around the rotating shaft 101 for an angle, and the positioning column 204 is separated from the positioning hole 35.
The lower part of the face mask is respectively provided with a rubber fender 5 structure which can be conveniently detached, such as a pasting structure and a buckling structure. Through the shielding and protection of the rubber enclosure 5, the damage and the adverse effect of arc light generated when two side surfaces near an operator perform welding operation simultaneously on the operator are avoided.
The safety helmet or the face mask is provided with a handle 8. The handle 8 of the utility model is arranged on the mask. The handle 8 is configured to be extendable in the longitudinal direction. For example, the telescopic structure is adopted, the handle is locked and loosened through the fastening piece, the handle is in a short telescopic state during working, interference with other objects to hinder the work of an operator is avoided, the handle is in an extension state during holding, and the handle is convenient for the operator to hold and carry
The utility model discloses a welding mask can be under the all position welding condition, the stability of keeping the face guard all the time, make the operator keep welding operation under comfortable state. In addition, the mask is convenient to wear and take off, and only two seconds are needed for wearing and only one second is needed for taking off when the mask is skillfully operated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An electric welding safety helmet comprises a safety helmet and a face shield which are connected with each other, and is characterized in that the rear side of the upper part of the face shield is hinged with the safety helmet through a connecting shaft, the upper part of the front side of the face shield is an arc-shaped surface matched with the front side of the safety helmet, and the arc-shaped surface is in sealing fit with the outer curved surface of the front side of the face shield; the arcwall face is connected with the protective body of lower part, be equipped with on the protective body with operator's eyes position matched with observation window, the observation window includes the casing, the casing passes through articulated shaft with the face guard and is connected, the casing rotates the angle of setting for round the articulated shaft, the front side of the inner chamber of casing is equipped with white glass, the inner chamber rear side is equipped with black glass, white glass separates through middle separating pad with black glass, white glass passes through observation window left side baffle location with black glass's left side, the right side passes through observation window right side baffle location, be equipped with the open slot that supplies white glass that corresponds with white glass position on left side baffle or right side baffle and take out and put into, be equipped with the hold-down mechanism that compresses tightly white glass on the medial surface of the front portion of casing at left side baffle or.
2. The electric welding safety helmet of claim 1, wherein the front visor of the helmet is provided with a mask limiting plate, the mask limiting plate comprises a left connecting plate, a right connecting plate and a front connecting plate which are connected with each other, the left connecting plate, the right connecting plate and the front connecting plate form an inner cavity with an upper opening, a positioning hole which is communicated in the front-back direction is formed in the middle of the front connecting plate, the rear part of the positioning hole is communicated with the inner cavity, and the lower surfaces of the left connecting plate, the right connecting plate and the front connecting plate are connected with the front visor; and a positioning column is arranged on the inner side surface of the arc-shaped surface of the mask and matched with the positioning hole, and the positioning column is inserted into the positioning hole for positioning.
3. An electric welding safety helmet as defined in claim 1, wherein said visor has elastic member fixing blocks on both sides of the arc surface, said arc surface having an adjustment groove for fixing the elastic member fixing blocks, the elastic member fixing blocks sliding in the adjustment groove in the front-rear direction and being locked and fixed by a locking member, both ends of the elastic member being connected to the elastic member fixing blocks on both sides, respectively, the middle portion of the elastic member being connected to the rear portion of the helmet at the rear side, and being positioned by a retaining member at the rear portion of the helmet.
4. An electro-welding safety helmet as claimed in claim 1 wherein said open slots are provided with removable sealing flaps.
5. An electric welding safety helmet as claimed in claim 1 wherein said hold down mechanism comprises an eccentric connected to a pin that fits into a pin hole in the left visor, the pin being capable of pivoting a set angle about an axis within the pin hole, the pin hole being located in the left visor between the white and black glasses.
6. An electric welding safety helmet as claimed in claim 1 wherein the lower portions of said visors are each provided with a removable rubber skirt structure.
7. A welding safety helmet according to claim 1 wherein said helmet or visor is provided with a handle.
8. The welding safety helmet of claim 7, wherein the handle is attached to the face shield, the handle being of a telescopic construction in a longitudinal direction.
9. An electric welding safety helmet according to claim 3 wherein the elastic member is a stainless steel spring or an elastic band having a desired elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171934.XU CN209965346U (en) | 2019-01-31 | 2019-01-31 | Safety helmet for electric welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920171934.XU CN209965346U (en) | 2019-01-31 | 2019-01-31 | Safety helmet for electric welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209965346U true CN209965346U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920171934.XU Active CN209965346U (en) | 2019-01-31 | 2019-01-31 | Safety helmet for electric welding |
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| Country | Link |
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| CN (1) | CN209965346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139709A (en) * | 2020-09-25 | 2020-12-29 | 淄博英睿达机械科技有限公司 | Large-scale welding tool for directly splicing plane plate |
-
2019
- 2019-01-31 CN CN201920171934.XU patent/CN209965346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139709A (en) * | 2020-09-25 | 2020-12-29 | 淄博英睿达机械科技有限公司 | Large-scale welding tool for directly splicing plane plate |
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