CN215469069U

CN215469069U - Welding protection device

Info

Publication number: CN215469069U
Application number: CN202121689012.1U
Authority: CN
Inventors: 赖剑和
Original assignee: Xiamen Kainan Exhibition Products Co ltd
Current assignee: Xiamen Kainan Exhibition Products Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-11
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a welding protection device, which relates to the relevant field of welding and comprises a protective shell and a rotary locking mechanism, wherein a transparent shield is fixedly arranged on the protective shell, a light shield is rotatably connected to the transparent shield, one end of the light shield is connected with the rotary locking mechanism, the rotary locking mechanism comprises a pressing button, a connecting rod is fixedly connected to the pressing button, and one end of the connecting rod is fixedly connected with a fixed disk. The utility model has the beneficial effects that: through the rotation locking mechanical system who sets up, the ratchet can the folk prescription be rotatory to the folk prescription in making, has guaranteed the stability of lens hood position, when need put down the lens hood simultaneously, directly stimulates the press button, makes the pawl no longer the joint on interior ratchet, and the lens hood will be because of gravity is automatic to fall down, and it is very convenient to adjust, has improved the practicality of device greatly, and simultaneously through the take-up mechanism who sets up, can the different users' of adaptation head form, further improved the application scope of device.

Description

Welding protection device

Technical Field

The utility model relates to the field related to welding, in particular to a welding protection device.

Background

Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure.

The chain generally needs the welding face guard to protect when welding, current welding face guard, can not carry out the regulation of distance between face guard and the face according to everyone's actual conditions, and current welding face guard when carrying out the operation, need manual control to turn up, but the face guard that turns up falls once more because of self gravity very easily, need the staff to adjust repeatedly, security when influencing the staff and using, work efficiency has also been reduced, for solving above-mentioned problem, a welding protector is proposed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a welding protection device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a welding protection device comprises a protection shell and a rotation locking mechanism, wherein a transparent shield is fixedly installed on the protection shell, a light shield is rotatably connected onto the transparent shield, one end of the light shield is connected with the rotation locking mechanism, the rotation locking mechanism comprises a pressing button, a connecting rod is fixedly connected onto the pressing button, a fixed disk is fixedly connected onto one end of the connecting rod, a pawl is hinged onto the fixed disk, a compression spring is installed on the pawl, one end of the compression spring is fixedly connected with the fixed disk, the pawl is in contact with an inner ratchet wheel, an adjusting thread is fixedly installed on the outer ring of the inner ratchet wheel, an expansion sleeve is further fixedly connected onto one end of the fixed disk, one end of the expansion sleeve is fixedly installed on the protection shell, the inner ratchet wheel is also rotatably connected onto the protection shell, and a fixing belt is further fixedly connected onto the protection shell, one end of the fixing strap is connected with a tightening mechanism.

As a further scheme of the utility model: the tightening mechanism comprises an adjusting button, a clamping piece is sleeved in the adjusting button, the adjusting button and the clamping piece are both rotatably installed in a fixed ring, an adjusting gear is fixedly connected to one end of the clamping piece, an adjustable head band is meshed on the adjusting gear, one end of the adjustable head band is connected with the fixed band, and a limiting block is fixedly installed on one side of the adjustable head band.

As a still further scheme of the utility model: the adjustable head band is two rectangular head bands which are arranged in a crossed mode, a rectangular groove is formed in the adjustable head band, racks matched with the adjusting gear are arranged on the rectangular groove, and the positions of the racks arranged on the two rectangular head bands which are arranged in a crossed mode are located on two sides of the adjusting gear respectively.

As a still further scheme of the utility model: the pawl is equipped with two and with fixed disk central symmetry.

As a still further scheme of the utility model: and the limiting block is also fixedly provided with a spongy cushion.

Compared with the prior art, the utility model has the beneficial effects that: through the rotation locking mechanical system who sets up, the ratchet can the folk prescription be rotatory to the folk prescription in making, has guaranteed the stability of lens hood position, when need put down the lens hood simultaneously, directly stimulates the press button, makes the pawl no longer the joint on interior ratchet, and the lens hood will be because of gravity is automatic to fall down, and it is very convenient to adjust, has improved the practicality of device greatly, and simultaneously through the take-up mechanism who sets up, can the different users' of adaptation head form, further improved the application scope of device.

Drawings

Fig. 1 is a schematic structural view of a welding protection device.

Fig. 2 is a schematic view of a rotation lock mechanism in a welding protection device.

FIG. 3 is a side view of a rotational locking mechanism in a weld guard.

Fig. 4 is an exploded view of a tensioner mechanism in a welding guard.

In the figure: 1-protective shell, 2-light shield, 3-transparent shield, 4-rotary locking mechanism, 401-pressing button, 402-connecting rod, 403-fixed disk, 404-pawl, 405-compression spring, 406-internal ratchet wheel, 407-adjusting screw thread, 408-telescopic sleeve, 5-fixing band, 6-loosening mechanism, 601-adjusting button, 602-clamping piece, 603-fixing ring, 604-adjusting gear, 605-adjustable headband, 606-limiting block and 607-sponge cushion.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1 to 4, in an embodiment of the present invention, a welding protection device includes a protection housing 1 and a rotation locking mechanism 4, a transparent shield 3 is fixedly installed on the protection housing 1, a light shield 2 is rotatably connected to the transparent shield 3, one end of the light shield 2 is connected to the rotation locking mechanism 4, the rotation locking mechanism 4 includes a pressing button 401, a connecting rod 402 is fixedly connected to the pressing button 401, one end of the connecting rod 402 is fixedly connected to a fixed disk 404, the fixed disk 404 is hinged to a pawl 404, the pawl 404 is installed with a compression spring 405, one end of the compression spring 405 is fixedly connected to the fixed disk 403, the pawl 404 is in contact with an inner ratchet 406, an adjusting thread 407 is fixedly installed on an outer ring of the inner ratchet 406, one end of the fixed disk 404 is further fixedly connected to a telescopic sleeve 408, one end of the telescopic sleeve 408 is fixedly installed on the protection housing 1, the inner ratchet 406 is also rotatably connected to the protective casing 1, the protective casing 1 is further fixedly connected with a fixing belt 5, and one end of the fixing belt 5 is connected with a tightening mechanism 6.

In practical application, the embodiment of the utility model rotates the inner ratchet 406 through the rotation locking mechanism 4, and the inner ratchet 406 can rotate in a single direction under the combined action of the fixed disc 403, the pawl 404 and the compression spring 405, so that the light shield 2 can be clamped by the pawl 404 when falling down due to self gravity, the position stability of the light shield 2 is ensured, and meanwhile, when the light shield 2 needs to be put down, the pressing button 401 is directly pulled, the telescopic sleeve 408 is extended to enable the fixed disc 404 to be separated from the plane of the inner ratchet 406, and the pawl 404 is not clamped on the inner ratchet 406 any more, the light shield 2 can automatically fall down due to gravity, the adjustment is very convenient and fast, the practicability of the device is greatly improved, and meanwhile, the head types of different users can be adapted through the arranged elastic mechanism 6, and the application range of the device is further improved.

Referring to fig. 4, as a preferred embodiment of the present invention, the tightening mechanism 6 includes an adjusting button 601, a clamping member 602 is sleeved in the adjusting button 601, the adjusting button 601 and the clamping member 602 are both rotatably installed in a fixing ring 603, one end of the clamping member 602 is fixedly connected to an adjusting gear 604, an adjustable headband 605 is engaged on the adjusting gear 604, one end of the adjustable headband 605 is connected to the fixing band 5, and a limiting block 606 is fixedly installed on one side of the adjustable headband 605.

In practical application of the embodiment of the utility model, the adjusting gear 604 is synchronously rotated by rotating the adjusting button 601, so that the adjustable head band 605 is extended or shortened, and can be adapted to head shapes of different users, thereby improving the application range of the device.

Referring to fig. 4, as another preferred embodiment of the present invention, the adjustable headband 605 is two rectangular headband strips placed in a crossed manner, the adjustable headband 605 is provided with a rectangular groove, the rectangular groove is provided with a rack matched with the adjusting gear 604, and the rack positions on the two rectangular headband strips placed in a crossed manner are respectively located on two sides of the adjusting gear 604.

In practical application, when the adjusting gear 604 rotates, the racks on the rectangular grooves on the two sides respectively displace in opposite directions, so that the adjustable headband 605 is lengthened, and when the adjusting gear 604 rotates in the opposite direction, the adjustable headband 605 is shortened.

Referring to fig. 2, as another preferred embodiment of the present invention, two pawls 404 are provided and are symmetrical with respect to the center of the fixed plate 403.

In practical application of the embodiment of the present invention, two pawls 404 are provided, so that the pawls 404 fix the inner ratchet 406 more stably.

Referring to fig. 4, as another preferred embodiment of the present invention, a sponge pad 607 is further fixedly installed on the limiting block 606.

In practical application, the sponge cushion 607 is arranged, so that a user feels more comfortable, and the use effect of the whole device is improved.

According to the utility model, the inner ratchet wheel 406 can rotate in a single direction through the arranged rotation locking mechanism 4, so that the position stability of the light shield 2 is ensured, and meanwhile, when the light shield 2 needs to be put down, the pressing button 401 is directly pulled, so that the pawl 404 is not clamped on the inner ratchet wheel 406 any more, the light shield 2 can automatically fall down due to gravity, the adjustment is very convenient and fast, the practicability of the device is greatly improved, meanwhile, the head shapes of different users can be adapted through the arranged elastic mechanism 6, and the application range of the device is further improved.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The welding protection device comprises a protective shell (1) and a rotating locking mechanism (4), and is characterized in that a transparent shield (3) is fixedly mounted on the protective shell (1), a light shield (2) is rotatably connected onto the transparent shield (3), one end of the light shield (2) is connected with the rotating locking mechanism (4), the rotating locking mechanism (4) comprises a pressing button (401), a connecting rod (402) is fixedly connected onto the pressing button (401), one end of the connecting rod (402) is fixedly connected with a fixed disk (403), a pawl (404) is hinged onto the fixed disk (403), a compression spring (405) is mounted on the pawl (404), one end of the compression spring (405) is fixedly connected with the fixed disk (403), the pawl (404) is in contact with an inner ratchet wheel (406), and an adjusting thread (407) is fixedly mounted on the outer ring of the inner ratchet wheel (406), fixed disk (403) one end is fixedly connected with telescopic sleeve (408) still, telescopic sleeve (408) one end fixed mounting is on protecting sheathing (1), interior ratchet (406) is the same to be rotated and is connected on protecting sheathing (1), still fixedly connected with fixed band (5) on protecting sheathing (1), fixed band (5) one end is connected with elasticity mechanism (6).

2. The welding protection device according to claim 1, characterized in that the tightening mechanism (6) comprises an adjusting button (601), a clamping member (602) is sleeved in the adjusting button (601), the adjusting button (601) and the clamping member (602) are rotatably mounted in a fixing ring (603), one end of the clamping member (602) is fixedly connected with an adjusting gear (604), an adjustable headband (605) is meshed on the adjusting gear (604), one end of the adjustable headband (605) is connected with the fixing band (5), and a limit block (606) is fixedly mounted on one side of the adjustable headband (605).

3. The welding protection device according to claim 2, characterized in that the adjustable headband (605) is two rectangular headband strips arranged in a crossed manner, the adjustable headband (605) is provided with a rectangular groove, the rectangular groove is provided with a rack matched with the adjusting gear (604), and the rack positions arranged on the two rectangular headband strips arranged in a crossed manner are respectively positioned at two sides of the adjusting gear (604).

4. A weld guard according to claim 1, characterized in that the pawls (404) are provided in two and are symmetrical with the centre of the fixed disc (403).

5. The welding protection device according to claim 2, characterized in that a sponge pad (607) is further fixedly mounted on the limiting block (606).