CN218870646U

CN218870646U - Anti-scratching structure of liquid crystal display for welding helmet

Info

Publication number: CN218870646U
Application number: CN202222079761.3U
Authority: CN
Inventors: 艾文; 李春芳; 侯英光; 张辉; 郑志会; 朱维城
Original assignee: Anshan Jingcheng Electronic Co ltd
Current assignee: Anshan Jingcheng Electronic Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-04-18
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a welding helmet is with LCD anti-scratch structure, include: welding helmet glasses shell and display, the surface mounting of welding helmet glasses shell has the display, the upper surface of welding helmet glasses shell is provided with the installation piece, the side surface of installation piece is provided with the protection casing, the side surface of installation piece is connected with the connecting block, the inside activity of connecting block runs through there is the rotary rod, the end connection of rotary rod has the stopper, the surface of rotary rod is connected with the driven gear circle, the surface mounting of installation piece has servo motor. This colored structure is prevented scraping by LCD for electric welding cap, servo motor can drive the initiative gear circle when the circular telegram moves and rotate, and the initiative gear circle rotates and to drive the rotary rod through driven gear circle and rotate, and the rotary rod rotates and to drive the protection casing through the connecting plate and rotate, and the protection casing can protect the display after rotating 180, prevents that the screen surface of display from being scraped the flower.

Description

Anti-scratching structure of liquid crystal display for welding helmet

Technical Field

The utility model relates to a display technical field specifically is a colored structure is prevented scraping by LCD for electric welding cap.

Background

The welding helmet is a tool for protecting the safety of operators in welding and cutting operations, and is commonly called as a welding mask. The high polymer material is formed in one step, has high strength, is light-tight, is more suitable for the current trend, has complete varieties, can meet the requirements of various working environments, and has the effects of eye protection, face protection and respiratory protection; eye protection refers to double filtering of the welding helmet, harmful radiation of ultraviolet rays and infrared rays generated by electric arcs and damage of strong welding light to eyes are avoided, and electro-optic ophthalmia is avoided; the face protection means that the welding helmet can effectively prevent the face from being hurt by splashes, harmful bodies and the like in operation, and the occurrence of skin burn is reduced; the respiratory protection means that the electric welding helmet can be used for guiding air flow, effectively reducing harm to the human body caused by harmful gas, dust and the like released by welding, preventing the occurrence of lung diseases in advance, and the electric welding helmet liquid crystal display is a structure which can be arranged on the surface of the electric welding helmet and is used for increasing the practical effect of the electric welding helmet.

The existing liquid crystal display for the electric welding helmet is usually directly installed on the surface of the electric welding helmet, and a screen of the display is directly exposed outside, so that when a worker does not use the electric welding helmet, the liquid crystal display on the surface of the electric welding helmet is easily scratched by other articles, and a display screen of the liquid crystal display is scratched.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colored structure is prevented scraping by LCD for electric welding cap to solve the current LCD for electric welding cap that proposes among the above-mentioned background art and be the surface of direct mount at electric welding cap usually, and the screen of display is directly exposed, when the staff is not using electric welding cap like this, the LCD on electric welding cap surface receives scraping of other article easily and rubs, thereby leads to LCD's display screen to be scraped the colored problem.

In order to achieve the above object, the utility model provides a following technical scheme: a scratch-proof structure of a liquid crystal display for an electric welding cap comprises: welding helmet glasses shell and display, the surface mounting of welding helmet glasses shell has the display, the upper surface of welding helmet glasses shell is provided with the installation piece, the side surface of installation piece is provided with the protection casing, the side surface of installation piece is connected with the connecting block, the inside activity of connecting block runs through there is the rotary rod, the end connection of rotary rod has the stopper, the surface of rotary rod is connected with driven gear circle, the surface mounting of installation piece has servo motor, servo motor's output is connected with initiative gear circle, be connected with the connecting plate between rotary rod and the protection casing.

Preferably, the connecting blocks, the limiting blocks and the connecting plates are symmetrically arranged in two groups about a longitudinal central axis of the rotating rod, the connecting blocks and the mounting blocks are of an integral structure, and a rotating structure is formed between the rotating rod and the connecting blocks.

Preferably, constitute drive structure between servo motor, driving gear circle and the driven gear circle, constitute the meshing structure between driving gear circle and the driven gear circle.

Preferably, the upper surface of the outer shell of the electric welding cap glasses is connected with a butt joint block, a rotating shaft is installed on the inner wall of the installation block, and the surface of the rotating shaft is connected with a clamping hook.

Preferably, two groups of the rotating shaft and the hooks are symmetrically arranged about a longitudinal central axis of the butt-joint block, and a rotating structure is formed between the hooks and the rotating shaft.

Preferably, an extrusion rod penetrates through the side surface of the mounting block, a baffle is connected to the surface of the extrusion rod, and a spring strip is connected between the baffle and the mounting block.

Preferably, the extrusion rods, the baffle plates and the spring strips are symmetrically arranged in two groups about a longitudinal central axis of the mounting block, and the extrusion rods and the spring strips form an elastic telescopic structure through the baffle plates.

Compared with the prior art, the beneficial effects of the utility model are that:

in conclusion, by the matching use of the servo motor, the driving gear ring, the driven gear ring, the rotary rod and the connecting plate, when the servo motor is powered on, the driving gear ring can be driven to rotate, the driving gear ring can drive the rotary rod to rotate through the driven gear ring, the rotary rod can drive the protective cover to rotate through the connecting plate, and the protective cover can protect the display after rotating 180 degrees, so that the surface of the screen of the display is prevented from being scratched; the installation piece drives the pothook and moves when butt joint block's surface position, and the pothook receives the extrusion and can rotate, and the pothook rotates and can compress the spring strip through extrusion stem and baffle, and when the pothook moved to butt joint block's bottom side, the spring strip resets through baffle and extrusion stem extrusion pothook, can be fixed with the rigidity of installation piece through the joint between pothook and the butt joint block like this to the convenience is installed the protection machanism at the top of electric welding cap glasses shell.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic view of the movement structure of the protective cover of the present invention;

fig. 3 is a schematic structural view of the driving mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the mounting mechanism of the present invention;

fig. 5 is a schematic view of the sectional structure of the mounting block of the present invention.

In the figure: 1. a welding helmet glasses shell; 2. a display; 3. mounting a block; 4. a protective cover; 5. connecting blocks; 6. rotating the rod; 7. a limiting block; 8. a driven gear ring; 9. a servo motor; 10. a driving gear ring; 11. a connecting plate; 12. a butt joint block; 13. a rotating shaft; 14. a hook; 15. an extrusion stem; 16. a baffle plate; 17. a spring bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a scratch-proof structure of a liquid crystal display for an electric welding cap comprises: welding cap glasses shell 1 and display 2, the surface mounting of welding cap glasses shell 1 has display 2, the upper surface of welding cap glasses shell 1 is provided with installation piece 3, the side surface of installation piece 3 is provided with protection casing 4, the side surface of installation piece 3 is connected with connecting block 5, the inside activity of connecting block 5 runs through there is rotary rod 6, the end connection of rotary rod 6 has stopper 7, the surface connection of rotary rod 6 has driven gear circle 8, the surface mounting of installation piece 3 has servo motor 9, servo motor 9's output is connected with initiative gear circle 10, be connected with connecting plate 11 between rotary rod 6 and the protection casing 4, protection casing 4 rotates 180 back and can protect 2 positions of display, can prevent like this that display 2 from receiving the external action and leading to being scraped the flower.

Connecting block 5, stopper 7 and connecting plate 11 are provided with two sets ofly about the vertical axis symmetry of rotary rod 6, connecting block 5 and installation piece 3 structure as an organic whole, constitute revolution mechanic between rotary rod 6 and the connecting block 5, servo motor 9, constitute drive structure between initiative gear circle 10 and the driven gear circle 8, constitute engagement structure between initiative gear circle 10 and the driven gear circle 8, servo motor 9 moves the time can drive rotary rod 6 through initiative gear circle 10 and driven gear circle 8 and rotate, thereby can drive protection casing 4 through connecting plate 11 and rotate.

The upper surface of the outer shell 1 of the electric welding cap glasses is connected with a butt joint block 12, a rotating shaft 13 is installed on the inner wall of the installation block 3, a hook 14 is connected to the surface of the rotating shaft 13, two groups of the rotating shaft 13 and the hook 14 are symmetrically arranged about the longitudinal central axis of the butt joint block 12, a rotating structure is formed between the hook 14 and the rotating shaft 13, the installation block 3 can be installed on the surface of the outer shell 1 of the electric welding cap glasses when the hook 14 and the butt joint block 12 are clamped, and therefore the position of the protection device can be fixed.

The side surface of installation piece 3 runs through there is extrusion stem 15, extrusion stem 15's surface connection has baffle 16, be connected with spring bar 17 between baffle 16 and the installation piece 3, extrusion stem 15, baffle 16 and spring bar 17 are provided with two sets ofly about the vertical axis symmetry of installation piece 3, extrusion stem 15 passes through baffle 16 and spring bar 17 and constitutes elastic telescopic structure, extrusion stem 15 receives the extrusion force and can drive pothook 14 and rotate, pothook 14 rotates and can conveniently pull down installation piece 3 from welding cap glasses shell 1 surface.

The working principle is as follows: as shown in fig. 1-5, when the liquid crystal display anti-scratching structure for the electric welding helmet is used and the electric welding helmet is not used, the servo motor 9 is powered on to operate to drive the driving gear ring 10 to rotate, the driving gear ring 10 can drive the rotating rod 6 to rotate through the driven gear ring 8, the rotating rod 6 can drive the connecting plate 11 to rotate, the connecting plate 11 can drive the protective cover 4 to rotate, and the display 2 can be protected after the protective cover 4 rotates 180 degrees; when the installation block 3 drives the hook 14 to move to the surface position of the butt joint block 12, the hook 14 is extruded to rotate along the surface of the rotating shaft 13, the hook 14 rotates to compress the spring bar 17 through the extrusion rod 15 and the baffle 16, when the hook 14 moves to the bottom side of the butt joint block 12, the spring bar 17 extrudes the hook 14 through the baffle 16 and the extrusion rod 15 to reset, so that the installation block 3 can be fixed in position through the clamping between the hook 14 and the butt joint block 12, the protection mechanism is conveniently installed at the top of the shell 1 of the glasses of the welding helmet, and the liquid crystal display for the welding helmet has the characteristic of scratch-resistant structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scratch-proof structure of a liquid crystal display for an electric welding cap comprises: welding helmet glasses shell (1) and display (2), its characterized in that: the surface mounting of electric welding cap glasses shell (1) has display (2), the upper surface of electric welding cap glasses shell (1) is provided with installation piece (3), the side surface of installation piece (3) is provided with protection casing (4), the side surface of installation piece (3) is connected with connecting block (5), the inside activity of connecting block (5) runs through rotary rod (6), the end connection of rotary rod (6) has stopper (7), the surface of rotary rod (6) is connected with driven gear circle (8), the surface mounting of installation piece (3) has servo motor (9), the output of servo motor (9) is connected with initiative gear circle (10), be connected with connecting plate (11) between rotary rod (6) and protection casing (4).

2. The liquid crystal display device scratch-proof structure for the electric welding cap as claimed in claim 1, wherein: the connecting block (5), the limiting block (7) and the connecting plate (11) are symmetrically provided with two groups about a longitudinal central axis of the rotating rod (6), the connecting block (5) and the mounting block (3) are of an integral structure, and a rotating structure is formed between the rotating rod (6) and the connecting block (5).

3. The liquid crystal display device scratch-proof structure for the electric welding cap as claimed in claim 1, wherein: constitute drive structure between servo motor (9), driving gear circle (10) and driven gear circle (8), constitute meshing structure between driving gear circle (10) and driven gear circle (8).

4. The structure of claim 1, wherein: the upper surface of electric welding cap glasses shell (1) is connected with butt joint piece (12), pivot (13) are installed to the inner wall of installation piece (3), the surface connection of pivot (13) has pothook (14).

5. The liquid crystal display device scratch-proof structure for the electric welding cap as claimed in claim 4, wherein: two groups of rotating shafts (13) and hooks (14) are symmetrically arranged about the longitudinal central axis of the butt joint block (12), and a rotating structure is formed between the hooks (14) and the rotating shafts (13).

6. The liquid crystal display device scratch-proof structure for the electric welding cap as claimed in claim 4, wherein: the side surface of the mounting block (3) penetrates through an extrusion rod (15), the surface of the extrusion rod (15) is connected with a baffle (16), and a spring strip (17) is connected between the baffle (16) and the mounting block (3).

7. The liquid crystal display device scratch-proof structure for the electric welding cap as claimed in claim 6, wherein: the extrusion rods (15), the baffle plates (16) and the spring strips (17) are symmetrically arranged in two groups about a longitudinal central axis of the mounting block (3), and the extrusion rods (15) and the spring strips (17) form an elastic telescopic structure through the baffle plates (16).