CN216496032U

CN216496032U - Protective mask for welding

Info

Publication number: CN216496032U
Application number: CN202120521395.5U
Authority: CN
Inventors: 吕会浦
Original assignee: Xintai Chaoying Vocational Training School
Current assignee: Xintai Chaoying Vocational Training School
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-05-13
Anticipated expiration: 2031-03-12

Abstract

The utility model provides a protective mask for welding, which belongs to the technical field of protective masks and comprises a mask, wherein the upper end of the mask is fixedly connected with a first elastic rope, the lower end of the first elastic rope is fixedly connected with a second elastic rope, the left end and the right end of the second elastic rope are respectively fixed with the rear end of the mask, the lower end of the second elastic rope is fixedly connected with a connecting block, the left end and the right end of the connecting block are respectively provided with a clamping groove, two groups of pressing mechanisms are respectively arranged in the two clamping grooves, each group of pressing mechanisms respectively comprises a push rod, a second spring, a spring groove, a pulling block, a rectangular groove and a circular groove, and the rectangular groove is arranged on the lower inner wall of the clamping groove.

Description

Protective mask for welding

Technical Field

The utility model belongs to the technical field of protective masks, and particularly relates to a protective mask for welding.

Background

Protective masks are devices used to protect the face and neck from flying metal debris, harmful gases, liquid splashes, metal and high temperature solvent vapors. Mainly comprises a welding mask, an anti-impact mask, an anti-radiation mask, a smoke and gas prevention mask, a heat insulation mask and the like.

In the prior art, protective masks for welding are generally held by hands, and the protective masks are inconvenient to hold in welding work, so that the welding operation of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective mask for welding, and aims to solve the problems that in the prior art, the protective mask for welding is generally held by hands, and the welding operation of a user is influenced because the protective mask is inconvenient to hold by hands during welding.

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

a protective mask for welding comprises a mask body, wherein a first elastic rope is fixedly connected to the upper end of the mask body, a second elastic rope is fixedly connected to the lower end of the first elastic rope, the left end and the right end of the second elastic rope are respectively fixed to the rear end of the mask body, a connecting block is fixedly connected to the lower end of the second elastic rope, clamping grooves are formed in the left end and the right end of the connecting block, two groups of pressing mechanisms are arranged in the two clamping grooves, each group of pressing mechanisms comprises a push rod, a second spring, a spring groove, a pulling block, a rectangular groove and a circular groove, the rectangular groove is formed in the lower inner wall of the clamping groove, the circular groove is formed in the lower inner wall of the rectangular groove, the spring groove is formed in the lower inner wall of the circular groove, the push rod is connected to the spring groove and the circular groove in a sliding mode, the second spring is fixedly connected to the upper inner wall of the spring groove, and the second spring is sleeved on the circumferential surface of the push rod, the pulling block is fixedly connected to the lower end of the second spring and fixed to the lower end of the push rod, the two third elastic ropes are fixedly connected to the rear end of the face guard, a set of buckling mechanisms are arranged at the other ends of the two third elastic ropes, each set of buckling mechanisms comprises a moving block, two first springs, two sliding grooves and two first clamping blocks, the moving block is fixedly connected to the left end of each third elastic rope, the two sliding grooves are formed in the upper end and the lower end of the moving block, the two first springs are fixedly connected to the inner walls, close to the two sliding grooves, of the two sliding grooves, and the two sliding grooves are fixedly connected to the far ends, away from the two first springs, of the two sliding grooves.

As a preferred scheme of the present invention, a round bar is fixedly connected to the lower end of the face mask, a sliding rod is slidably connected to the round bar, two sets of pulling mechanisms are disposed on the circumferential surface of the round bar, each set of pulling mechanism includes a mounting block, a pull rod, a fourth spring, a block slot and a second block, the mounting block is fixedly connected to the lower portion of the circumferential surface of the round bar, the block slot is disposed at the right end of the mounting block, the fourth spring is fixedly connected to the left inner wall of the block slot, the second block is fixedly connected to the right end of the fourth spring, the pull rod is fixedly connected to the left end of the second block, and the left end of the pull rod penetrates through the left end of the mounting block and extends leftward.

As a preferable scheme of the present invention, the upper inner wall of the round bar is fixedly connected with a third spring, and a lower end of the third spring is fixed with the upper end of the sliding bar.

As a preferred scheme of the present invention, in each group of the fastening mechanisms, two first springs are provided with a telescopic rod, and upper and lower ends of the two telescopic rods are respectively fixed to the near ends of the two first clamping blocks and the near inner walls of the two sliding grooves.

As a preferable scheme of the utility model, the left end of the pull rod in each group of pulling mechanisms is fixedly connected with a fixed block, and the circumferential surface of the fixed block is provided with a gear groove.

As a preferable scheme of the utility model, the rear end of the face mask is fixedly connected with a rubber pad matched with the face mask.

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

1. in the scheme, the face mask is worn on the face, the moving block is pulled and is aligned with the notch of the clamping groove, when the moving block slides towards the clamping groove, the upper inner wall and the lower inner wall of the clamping groove extrude the first clamping block, the first clamping block extrudes the first spring under the pressure, the first clamping block contracts to the sliding groove, when the first clamping block reaches the notch of the rectangular groove, the first spring drives the first clamping block to return to the original position due to the elastic return of the first spring, the first clamping block is clamped into the rectangular groove, the third elastic rope, the second elastic rope and the first elastic rope wear the face mask on the face, when the face mask needs to be taken down, the pulling block is pressed, the pulling block drives the push rod to move downwards, the lower end of the push rod pushes the first clamping block to leave the groove, the third elastic rope is pulled outwards, the moving block leaves the connecting block, the pulling block is loosened, the second spring drives the pulling block to return to the original position, and the face mask is fixed on the face through the pressing mechanism and the buckling mechanism, the mask is convenient for a user to wear and take off the mask, so that the mask is simpler and more convenient to use.

2. The lower extreme of face guard is provided with round bar and slide bar in this scheme, can select when the user uses the face guard, wears at facial or handheld for the service environment of face guard is more various.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a first cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

FIG. 4 is a second cross-sectional view of the present invention;

fig. 5 is a partial enlarged view of the utility model at B in fig. 4.

In the figure: 1. a face mask; 2. a first elastic cord; 3. a second elastic cord; 4. a round bar; 5. a slide bar; 6. a moving block; 7. a chute; 8. a first clamping block; 9. a first spring; 10. connecting blocks; 11. pulling the block; 12. a push rod; 13. a second spring; 14. a spring slot; 15. a third spring; 16. mounting a block; 17. a pull rod; 18. a fourth spring; 19. a second fixture block; 20. a block slot; 21. and a third elastic rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides the following technical solutions:

a protective mask for welding comprises a first elastic rope 2 fixedly connected to the upper end of a mask 1, a second elastic rope 3 fixedly connected to the lower end of the first elastic rope 2, the left and right ends of the second elastic rope 3 are respectively fixed to the rear end of the mask 1, a connecting block 10 is fixedly connected to the lower end of the second elastic rope 3, clamping grooves are formed in the left and right ends of the connecting block 10, two groups of pressing mechanisms are arranged in the two clamping grooves, each group of pressing mechanisms comprises a push rod 12, a second spring 13, a spring groove 14, a pulling block 11, a rectangular groove and a circular groove, the rectangular groove is formed in the lower inner wall of the clamping groove, the circular groove is formed in the lower inner wall of the rectangular groove, the spring groove 14 is formed in the lower inner wall of the circular groove, the push rod 12 is slidably connected to the spring groove 14 and the circular groove, the second spring 13 is fixedly connected to the upper inner wall of the spring groove 14, and the second spring 13 is sleeved on the circumferential surface of the push rod 12, pulling block 11 fixed connection is in the lower extreme of second spring 13, and pulling block 11 is fixed with the lower extreme of push rod 12, two third stretch cord 21 of rear end fixedly connected with of face guard 1, the other end of two third stretch cord 21 all is provided with a set of buckle mechanism, every group buckle mechanism all includes movable block 6, two first springs 9, two spout 7 and two first fixture blocks 8, movable block 6 fixed connection is in the left end of third stretch cord 21, two upper and lower both ends of movable block 6 are seted up to spout 7, two first springs 9 are fixed connection respectively and are close to the inner wall mutually in two spout 7, two spout 7 are fixed connection respectively and keep away from the end mutually in two first springs 9.

In the specific embodiment of the utility model, the face mask 1 is used for directly protecting the face of a user, the first elastic rope 2 fixes the face mask 1 from the top of the head, so that the fixing is firmer, the connecting block 10 is in a T shape, the first elastic rope 2, the second elastic rope 3 and the two third elastic ropes 21 are used for fixing the face mask 1 on the face of the user, the face mask 1 is worn on the face, the moving block 6 is pulled, the moving block 6 is aligned with the notch of the clamping groove, when the moving block 6 slides into the clamping groove, the upper and lower inner walls of the clamping groove extrude the first clamping block 8, the first clamping block 8 extrudes the first spring 9 under pressure, the first clamping block 8 shrinks to the sliding groove 7, when the first clamping block 8 reaches the notch of the rectangular groove, the first spring 9 drives the first clamping block 8 to return to the original position due to the elastic return of the first spring 9, the first clamping block 8 is clamped into the rectangular groove, the third elastic rope 21, the second elastic rope 3 and the first elastic rope 2 wear the face mask 1 on the face, when the face guard 1 is taken down, press pulling block 11, the lower extreme that pulling block 11 drove push rod 12 and move down push rod 12 promotes first fixture block 8 and leaves the inslot, outwards stimulate third stretch cord 21, movable block 6 leaves in the connecting block 10, loosen pulling block 11, second spring 13 is because the elastic recovery of self, it gets back to the normal position to drive pulling block 11, make things convenient for next time to use, this device passes through pressing means and buckle mechanism and fixes face guard 1 at facial, the person of facilitating the use wears and takes off face guard 1, make more simple and convenient during the use.

Referring to fig. 2 and 3 specifically, the lower end of the face mask 1 is fixedly connected with a round rod 4, a sliding rod 5 is slidably connected in the round rod 4, two sets of pulling mechanisms are arranged on the circumferential surface of the round rod 4, each set of pulling mechanisms comprises an installation block 16, a pull rod 17, a fourth spring 18, a clamping block groove 20 and a second clamping block 19, the installation block 16 is fixedly connected to the lower portion of the circumferential surface of the round rod 4, the clamping block groove 20 is arranged at the right end of the installation block 16, the fourth spring 18 is fixedly connected to the left inner wall of the clamping block groove 20, the second clamping block 19 is fixedly connected to the right end of the fourth spring 18, the pull rod 17 is fixedly connected to the left end of the second clamping block 19, and the left end of the pull rod 17 penetrates through the left end of the installation block 16 and extends leftwards.

In this embodiment: the pulling mechanism can clamp the sliding rod 5, so that the sliding rod 5 is not easy to slide in the sliding groove round rod 4.

Specifically, referring to fig. 2, the upper inner wall of the round bar 4 is fixedly connected with a third spring 15, and the lower end of the third spring 15 is fixed with the upper end of the sliding bar 5.

In this embodiment: the lower extreme of face guard 1 is provided with round bar 4 and slide bar 5, and the user can select when using face guard 1, wears on facial or handheld for the service environment of face guard 1 is more various.

Referring to fig. 5, in each set of fastening mechanism, two first springs 9 are provided with telescopic rods, and the upper and lower ends of the two telescopic rods are fixed to the near ends of the two first clamping blocks 8 and the inner walls of the two sliding grooves 7.

In this embodiment: the telescopic link can prevent that first spring 9 from producing deformation when receiving compression or the elasticity of self is replied for this device is more firm.

Referring to fig. 3, a fixing block is fixedly connected to the left end of the pull rod 17 in each group of pulling mechanisms, and a gear groove is formed on the circumferential surface of the fixing block.

In this embodiment: the fixed block can the person of facilitating the use pulling pull rod 17, and the gear groove can improve the frictional force between user's hand and the fixed block for pulling pull rod 17 is simple more laborsaving.

Specifically referring to fig. 4, a rubber pad matched with the face mask 1 is fixedly connected to the rear end of the face mask 1.

In this embodiment: the rubber cushion can relieve the pain of the face of the user when the face mask 1 is worn on the face.

The working principle and the using process of the utility model are as follows: when the face mask 1 needs to be taken down, the pulling block 11 is pressed, the pulling block 11 drives the push rod 12 to move downwards, the lower end of the push rod 12 pushes the first clamping block 8 to be separated from the groove, the third elastic rope 21 is pulled outwards, the moving block 6 is separated from the connecting block 10, the pulling block 11 is loosened, the second spring 13 is restored due to the elasticity of the second spring 13, drive and pull piece 11 and get back to the normal position, make things convenient for next time to use, this device is fixed face guard 1 at facial through pressing means and buckle mechanism, and the person of facilitating the use wears and takes off face guard 1 for more simple and convenient during the use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a protective mask for welding which characterized in that: comprises a face mask (1), wherein the upper end of the face mask (1) is fixedly connected with a first elastic rope (2), the lower end of the first elastic rope (2) is fixedly connected with a second elastic rope (3), the left end and the right end of the second elastic rope (3) are respectively fixed with the rear end of the face mask (1), the lower end of the second elastic rope (3) is fixedly connected with a connecting block (10), the left end and the right end of the connecting block (10) are respectively provided with a clamping groove, two groups of pressing mechanisms are respectively arranged in the clamping grooves, each group of pressing mechanisms respectively comprises a push rod (12), a second spring (13), a spring groove (14), a pulling block (11), a rectangular groove and a circular groove, the rectangular groove is arranged on the lower inner wall of the clamping groove, the circular groove is arranged on the lower inner wall of the rectangular groove, the spring groove (14) is arranged on the lower inner wall of the circular groove, the push rod (12) is slidably connected in the spring groove (14) and the circular groove, the second spring (13) is fixedly connected to the upper inner wall of the spring groove (14), the second spring (13) is sleeved on the circumferential surface of the push rod (12), the pulling block (11) is fixedly connected to the lower end of the second spring (13), the pulling block (11) is fixed to the lower end of the push rod (12), two third elastic ropes (21) are fixedly connected to the rear end of the face mask (1), a set of buckling mechanisms are arranged at the other ends of the two third elastic ropes (21), each set of buckling mechanisms comprises a moving block (6), two first springs (9), two sliding grooves (7) and two first clamping blocks (8), the moving block (6) is fixedly connected to the left end of the third elastic rope (21), the two sliding grooves (7) are arranged at the upper end and the lower end of the moving block (6), the two first springs (9) are respectively and fixedly connected to the inner walls, close to the two sliding grooves (7), the two sliding grooves (7) are respectively and fixedly connected to the far ends of the two first springs (9).

2. A welding helmet according to claim 1 wherein: lower extreme fixedly connected with round bar (4) of face guard (1), sliding connection has slide bar (5) in round bar (4), the circumferential surface of round bar (4) is provided with two sets of pulling mechanisms, every group pulling mechanism all includes installation piece (16), pull rod (17), fourth spring (18), fixture block groove (20) and second fixture block (19), installation piece (16) fixed connection is in the circumferential surface lower part of round bar (4), the right-hand member of installation piece (16) is seted up in fixture block groove (20), fourth spring (18) fixed connection is in the left inner wall of fixture block groove (20), second fixture block (19) fixed connection is in the right-hand member of fourth spring (18), pull rod (17) fixed connection is in the left end of second fixture block (19), and the left end of pull rod (17) runs through the left end of installation piece (16) and extends left.

3. A welding helmet according to claim 2, wherein: the upper inner wall of the round rod (4) is fixedly connected with a third spring (15), and the lower end of the third spring (15) is fixed with the upper end of the sliding rod (5).

4. A welding helmet according to claim 3 wherein: and each group of buckle mechanisms is internally provided with telescopic rods in two first springs (9), and the upper ends and the lower ends of the telescopic rods are respectively fixed with the near ends of the two first clamping blocks (8) and the inner walls of the two sliding grooves (7) close to each other.

5. A welding helmet according to claim 4, wherein: the left end fixedly connected with fixed block of pull rod (17) in every group pulling mechanism, and the circumference surface of fixed block has seted up the gear groove.

6. A welding helmet according to claim 5, wherein: the rear end of the face mask (1) is fixedly connected with a rubber pad matched with the face mask (1).