CN209827221U - Connecting structure of external front protective glasses - Google Patents

Abstract

The utility model discloses an outer dress formula front protection mirror connection structure for the installation of front protection mirror and face guard, front protection mirror install in the face guard front side, and the face guard front side is equipped with the binding face of laminating with the front protection mirror inboard, front protection mirror is transparent structure, and the radian of binding face is the same with front protection mirror's radian, and the middle part of binding face is penetrating window face guard window both sides are equipped with the buckle, and front protection mirror both sides are equipped with the card hole, buckle and card hole lock joint, front protection mirror's both sides are equipped with the lug, and the both sides of binding face are equipped with the pit, and the lug corresponds with the position of pit, and the lug part shelters from the pit. The utility model has the advantages that: the left end and the right end of the front protective glass are clamped into the clamping groove and the clamping buckle on the face mask by utilizing the elastic deformation of the front protective glass, so that the installation is simple, the disassembly is easy, the sealing performance is good, the structure is simple, the production cost is low, and the face mask is suitable for the face mask needing to be replaced with the front protective glass.

Description

Connecting structure of external front protective glasses

Technical Field

The utility model relates to a use connection structure on the face guard of welding, what especially relate to is the connection structure of outer dress formula front protection mirror.

Background

The prior art has common head-wearing type welding masks and automatic filtering welding masks, and when in use, goggles and front protective lenses are simultaneously installed from inside to outside; in this case, it is troublesome to attach and detach the goggles first to replace the front protective glasses, and the structure is complicated. The structure is complicated even with the exterior. These connection methods have the disadvantage of inconvenient disassembly or the problem of complicated structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves: how to solve the problem that the dismouting is loaded down with trivial details, the structure is complicated when front protective glass is connected with the face guard.

The utility model discloses a solve above-mentioned technical problem through following technical scheme: the utility model discloses an outer dress formula front protection mirror connection structure for the installation of front protection mirror and face guard, front protection mirror install in the face guard front side, and the face guard front side is equipped with the binding face of laminating with the front protection mirror inboard, front protection mirror is transparent structure, and the radian of binding face is the same with front protection mirror's radian, and the middle part of binding face is penetrating window be equipped with the buckle on the binding face of window both sides, and front protection mirror both sides are equipped with the card hole, buckle and card hole lock joint, front protection mirror's both sides are equipped with the lug, and the both sides of binding face are equipped with the pit, and the lug corresponds with the position of pit, and the lug part shelters from the pit.

In the utility model, the connection between the front protective glass and the face mask is realized through the buckling connection between the buckle and the clamping hole, and the radian of the binding surface is the same as that of the front protective glass, so as to realize the sealing connection, thus the structure is simple, easy to assemble and disassemble, and is suitable for the structure that the front protective glass is arranged outside the face mask; in addition, through setting up the pit, the lug of front protection mirror can partially shelter from the pit, but utilizes the elastic deformation of front protection mirror, inserts the part that the pit does not shelter from with the finger and hooks front protection mirror and upwards lift for the card hole of front protection mirror breaks away from the buckle, and the card groove is pushed out with front protection mirror in the same trend, realizes dismantling.

Preferably, the mask and the two sides of the window are provided with clamping grooves, and the front protective glasses are clamped on the binding surface through the clamping grooves. The clamping groove is arranged for preventing the front protective glasses from being separated from the buckle, and for compressing the binding surfaces of the four corners of the front protective glasses.

Preferably, the clamping groove is a limiting space formed by the pressing sheet and one corner of the binding surface.

Preferably, the draw-in groove includes two last draw-in grooves, two draw-in grooves down, and preceding protective glass includes four angles, and four angles of preceding protective glass insert two respectively and go up draw-in groove and two draw-in grooves down, promptly the utility model discloses in set up four angles that four draw-in grooves correspond preceding protective glass.

Preferably, the buckle is arranged on a binding surface between the upper clamping groove and the lower clamping groove.

Preferably, the front protective mirror is a transparent arc-shaped structure made of resin materials. The size of the adhesive tape is matched with the adhesive surface, or the adhesive tape can be a plane transparent resin sheet which is naturally bent and adhered on the adhesive surface by installation to naturally form an arc shape same as the adhesive surface.

Preferably, the size of the window is smaller than the size of the front protective glasses.

Preferably, the concave pits are sunken structures towards the inner part of the mask.

Preferably, the window, the front protective glasses and the face mask are all of symmetrical structures.

Compared with the prior art, the utility model has the following advantages:

(1) utilize the elasticity performance of preceding protective glass, with the mode of buckle is gone into to the card hole card of preceding protective glass, simple, easily dismantlement, reduce the whole piece number of preparing of face guard, simplify production technology, reduce cost, be applicable to the face guard that needs dismouting preceding protective glass, through the structure of lug and pit, can realize the dismantlement of preceding protective glass without any instrument.

(2) The clamping groove is arranged for preventing the front protective glasses from being separated from the buckle, and for compressing the binding surfaces of the four corners of the front protective glasses.

(3) The existing screw connection, complex structure fixation and the like are abandoned, the front protective glasses are directly assembled and disassembled, and the front protective glasses are firm and reliable.

Drawings

Fig. 1 is a schematic structural view of an external front protective mirror connecting structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the construction of a face mask without front protective eyewear installed;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a schematic view of the front protective glasses.

Reference numbers in the figures: the mask comprises a mask 1, an abutting surface 11, a window 12, a pressing sheet 13, an upper clamping groove 131, a lower clamping groove 132, a pit 14, a buckle 15, a front protective mirror 2, a lug 21 and a clamping hole 22.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 to 5, this embodiment is equipped with formula front protective glass connection structure outward for the installation of front protective glass 2 and face guard 1, front protective glass 2 installs in face guard 1 front side, and face guard 1 front side is equipped with the binding face 11 with the inboard border laminating of front protective glass 2, be equipped with bellied buckle 15 on the binding face 11, the both sides of front protective glass 2 are equipped with card hole 22, buckle 15 and card hole 22 joint. Be the arc behind the installation of preceding protective glass 2, wherein, the left and right both sides of preceding protective glass all are equipped with card hole 22, correspond be equipped with left and right buckle on the binding face 11 of the both sides of window 12, the buckle 15 of left and right sides equals the distance in preceding protective glass left and right card hole 22 along the arc distance of binding face 11 to guarantee the compactness of laminating, the middle part of binding face 11 is penetrating window 12.

Wherein, the concrete setting of buckle 15 is on binding face 11, and buckle 15 is protruding structure, and buckle 15 can be integrative with face guard 1, also can separately produce, inlays on face guard 1 again, and buckle 15 is not limited to its shape, size, only need according to conventional thinking, the fit that sets up can.

As shown in fig. 2 to 5, in this embodiment, the attachment surface 11 and the mask on the periphery of the attachment surface 11 are arranged in a step manner, when the front protective glass 2 is attached to the mask 1, the inner side surface of the front protective glass 2 is attached to the attachment surface 11, the outer side surface is attached to the vertical surface of the attachment periphery, and the vertical surface is higher than the thickness of the front protective glass 2, so that the exterior of the whole mask 1 is relatively flat and smooth, and the sealing performance is also enhanced.

In this embodiment, the front protective glasses are provided with pits 14 on two sides, the pits 14 are disposed on two ends of the attachment surface 11, but do not belong to the attachment surface 11, and are located between the upper clamping groove 131 and the lower clamping groove 132, and the pits 14 are structures sinking into the mask 1. The two ends of the front protective mirror 2 are provided with lugs 21, the lugs 21 shield a part of the concave pits 14, the unshielded part can be inserted with fingers which can remove the front protective mirror 2, and the concave pits 14 and the lugs 21 are arranged to facilitate the removal of the front protective mirror 2.

Example two:

as shown in fig. 1 to 5, the difference between the second embodiment and the first embodiment is: the embodiment further comprises a clamping groove, wherein 4 clamping grooves are formed in 4 corners of the upper surface and the binding surface of the face mask 1 and used for preventing the front protective glasses from being separated from the buckle, the binding surface is pressed against the 4 corners of the front protective glasses, the clamping groove is used for preventing the front protective glasses 2 from being separated from the buckle, and the buckle 15 in the embodiment is located at the binding surface between the upper clamping groove 131 and the lower clamping groove 132.

The clamping groove is a limiting space formed by the pressing sheet 13 and the binding surface 11, the thickness of the limiting space can just accommodate the thickness of the front protective lens 2, and two surfaces of the limiting space are the inner side surface of the pressing sheet 13 and the part of the binding surface 11; wherein, preforming 13 is long and thin triangle-shaped structure, and two right-angle sides of triangle-shaped are connected on the face guard 1, and the junction is the edge of binding face 11, and the size of preforming 13 sets up according to the in service behavior, and under the general condition, be difficult for too big to can block preceding protective glass 2, can realize comparatively convenient pulling down again as the requirement.

The pressing piece 13 in this embodiment is not limited to the triangular shape.

In the first and second embodiments, the window 12 may be sized and configured as required, and the window 12, the front protective glasses 2, and the face mask 1 are all symmetrical structures.

It should be noted that: the front protective glass 2 may be an arc-shaped structure made of a resin material, or may be a flat transparent resin sheet, and is fixed on the attaching surface 11 of the face mask 1 by mounting, so as to naturally form an arc shape as the attaching surface. The elastic front protective glasses have elasticity, and can insert 4 angles at the left end and the right end of the front protective glasses 2 into 4 clamping grooves on the face mask by utilizing the elastic deformation of the front protective glasses 2 and simultaneously buckle the clamping holes 22 on the front protective glasses into the clamping buckles 15, so that the tight connection between the front protective glasses 2 and the face mask 1 is realized.

In the working process of this embodiment, four corners of the front protective glass 2 are respectively inserted into the two upper clamping grooves 131 and the two lower clamping grooves 132, and the clamping hole 22 on the front protective glass 2 is clamped with the buckle 15 at the joint surface 11, so that the clamping between the front protective glass 2 and the face mask 1 is completed, the front protective glass 2 is tightly fixed on the joint surface of the face mask by 4 clamping grooves, 2 buckles 15 and an arc joint surface 11, and the working process has good stability and sealing performance; when the front protective glass 2 needs to be replaced, a finger is inserted into the position where the lug 21 and the pit 14 are not shielded, the lug of the front protective glass 2 is lifted, at the moment, the elastic deformation clamping hole 22 of the front protective glass 2 is separated from the buckle 15, the front protective glass 2 is pushed out of the clamping groove, and the disassembly of the front protective glass 2 is realized without any tool or screws or parts.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. External dress formula front protective glass connection structure for the installation of front protective glass and face guard, its characterized in that, front protective glass installs in the face guard front side, and the face guard front side is equipped with the binding face of laminating with the front protective glass inboard, front protective glass is transparent structure, and the radian of binding face is the same with front protective glass's radian, and the middle part of binding face is penetrating window be equipped with the buckle on the binding face of window both sides, the front protective glass both sides are equipped with the card hole, buckle and card hole lock joint, front protective glass's both sides are equipped with the lug, and the both sides of binding face are equipped with the pit, and the lug corresponds with the position of pit, and the lug part shelters from the pit.

2. The externally-mounted front protective glass connecting structure according to claim 1, wherein a locking groove is further provided on the face shield and on both sides of the window, and the front protective glass is locked to the attachment surface by the locking groove.

3. The externally-mounted front protective glass connecting structure according to claim 2, wherein the clamping groove is a limiting space formed by the pressing sheet and one corner of the abutting surface.

4. The externally-mounted front protective glass connecting structure according to claim 3, wherein the engaging grooves include two upper engaging grooves and two lower engaging grooves, the front protective glass includes four corners, and the four corners of the front protective glass are inserted into the two upper engaging grooves and the two lower engaging grooves, respectively.

5. The externally-mounted front protective eyewear attachment structure of claim 4 wherein the latch is disposed on an abutment surface between the upper and lower slots.

6. The externally-mounted front protective mirror attachment structure according to claim 1, wherein the front protective mirror is a transparent arc-shaped structure made of a resin material.

7. The externally mounted front protective eyewear attachment structure of claim 1 wherein the window is smaller in size than the front protective eyewear.

8. The externally-mounted front protective mirror attachment structure according to claim 1, wherein the recess is a structure sinking toward the inside of the visor.

9. The externally-mounted front protective mirror attachment structure according to claim 1, wherein the window, the front protective mirror, and the visor are symmetrical structures.