CN218589537U

CN218589537U - Easy-buckling mechanism for easy taking and resetting of industrial mask

Info

Publication number: CN218589537U
Application number: CN202223053484.5U
Authority: CN
Inventors: 胡雨生; 陈昱伯; 郭玉武; 王凯
Original assignee: Shenyang Fangdun Safety Equipment Co ltd
Current assignee: Shenyang Fangdun Safety Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-10
Anticipated expiration: 2032-11-17

Abstract

An easy-buckling mechanism for an industrial mask to be picked and reset conveniently belongs to the technical field of industrial mask respirators, the whole easy-buckling mechanism is a U-shaped easy-buckling piece and is installed at a mouth-nose cover of a half mask, and connecting guide pillars are arranged on the inner sides of two ends of a U-shaped arm of the easy-buckling mechanism and are used for being connected with the mouth-nose cover; the front end plane of the easy-buckling mechanism is provided with a left elastic band positioning hole and a right elastic band positioning hole which are used for passing through the elastic bands, and the elastic bands are used for positioning the easy-buckling mechanism to prevent deviation; reinforcing ribs are arranged on the bottom surface of the U-shaped arm of the easy-buckling mechanism and used for reinforcing the strength of the U-shaped arm; the reinforcing ribs are located at two end portions of the U-shaped arm and provided with gear portions for switching movable gears of the easy-buckling mechanism. The utility model discloses easily detain the mechanism and install on the oronasal mask covers, adjusts the take-up or relax of elastic cord, makes half face guard take the convenience temporarily in the industrial and mining environment, and the lock does not take place to shift or leak gas repeatedly to and the face guard is worn and is dismantled and other safety protective equipment such as safety helmet do not produce the conflict, and the operation is used more conveniently.

Description

Easy-buckling mechanism for easy taking and resetting of industrial mask

Technical Field

The utility model belongs to the technical field of the industrial mask respirator, concretely relates to industrial mask just picks and easy knot mechanism that resets.

Background

The dustproof mask aims to prevent or reduce dust in the air from entering human respiratory organs, thereby protecting life safety of individual protective articles; the materials of the medical instrument are mostly composed of various plastics, silicon rubber, silica gel and the like. Dustproof mask commonly is applied to industrial and mining, exploitation, metallurgy, field environment such as polishing, need ensure in the use that the position of wearing at every turn is correct, can reach and not reveal the effect, still must insist on continuously wearing in the operation of connecing the dirt. If uncomfortable, such as too tight a headband, too high resistance, etc., is felt during use, unauthorized changes to the headband length, or loosening of the nasal splint, etc., are not allowed. Therefore, a good respirator should not only fit the user, but also have a degree of comfort and durability in that the increase in breathing resistance is slow, the mask is light, the headgear is not easily collapsible, the mask is not easily collapsible, the nose clip or headgear is securely fixed, and the like.

The half mask is used in dust collecting environments of high-concentration dust such as industrial and mining, grinding and metallurgy, the safety helmet is required to be worn, and the safety helmet is not allowed to be taken off in the operation process, so that the safety of the head is protected. However, in actual use, the operator needs not only communication but also necessary actions such as rest and drinking water. At present, the half face mask which is tightly attached can make the sound deep, stuffy and inaudible; moreover, workers cannot take off the half mask on site immediately, and need to go to a designated safety place to take off the safety helmet and the half mask, so that the working efficiency is greatly reduced.

When the existing half mask on the market is used, a worker can forcibly pull the elastic band and the plastic mouth-nose cover cap in the using process, so that the mask body of the half mask can move, and the speaking is convenient. However, in the design of the mask, the fact that the user can move the mask body is not considered at the beginning, so that the mask is very inconvenient to use, the mask body is pulled back and forth, the reset mask body is not firmly attached to the face, and the mask cannot bring sufficient safety protection to the user who wears the mask.

SUMMERY OF THE UTILITY MODEL

The dustproof half face guard of current industry is taken inconvenience temporarily in the industrial and mining environment, and the lock easily takes place to shift to and the face guard wears to dismantle has the problem of conflict with other safety protective equipment such as safety helmet, and the operation convenience of using is not adapted. This reality is novel to provide an easy knot mechanism that just takes and reset of industrial mask, changes the lock position of the half face guard cover body through this a locking mechanism of easy knot, relaxs through easy knot and increases and lift elasticity area length to relax half face guard by face, leak the person's of wearing the oral cavity and the nose, and need not dismantle the fastener behind bandeau and the neck. After the action such as the person of wearing finishes drinking water or uses the platform, if will detain half face utensil back, then will easily detain the straining, this process has obvious damping and feels, and the half face guard of accomplishing the back fastening resumes the state of laminating originally, and need not to adjust the wearing state before other parts elasticity can resume, provides and takes the simple operation nature and guaranteed that relapse the lock does not shift. The specific technical scheme is as follows:

an easy-buckling mechanism for conveniently picking and resetting an industrial mask is characterized in that the whole easy-buckling mechanism is a U-shaped easy-buckling piece and is arranged at a mouth and nose cover of a half mask, and connecting guide pillars 1 are arranged on the inner sides of two ends of a U-shaped arm of the easy-buckling mechanism and are used for being connected with the mouth and nose cover; the front end of the easy-buckling mechanism is a plane, a left elastic band positioning hole 2 and a right elastic band positioning hole 2 are formed in the plane and used for penetrating the elastic bands, and the elastic bands are used for positioning the easy-buckling mechanism and are not deviated; the bottom surface of the U-shaped arm of the easy-buckling mechanism is provided with a reinforcing rib 4 for reinforcing the strength of the U-shaped arm; the reinforcing ribs 4 are positioned at two end parts of the U-shaped arm and are provided with gear parts 3 for switching movable gears of the easy-buckling mechanism.

In the above technical solution, the gear portion 3 is V-shaped.

Among the above-mentioned technical scheme, the switching state of gear portion 3 divide into lock and two states of unblock, realizes easily detaining laminating and the relaxation of mechanism.

Among the above-mentioned technical scheme, press easily detaining the mechanism down, the switching state of shelves portion 3 is the lock, and the elastic cord is taut, makes half face guard laminating face.

In the above technical solution, when the easy-to-buckle mechanism is lifted, the switching state of the gear portion 3 is unlocked, and the elastic band is released, so that the half mask is separated from the face.

In the technical scheme, a gap is reserved at the joint of the root of the connecting guide pillar 1 and the mouth and nose cover.

In the technical scheme, the elastic band is used for connecting the head band, the easy-buckling mechanism and the mouth and nose cover cap, namely, the upper end elastic band of the half mask penetrates through the elastic band positioning hole 2 of the easy-buckling mechanism by the head band and then penetrates through the mouth and nose cover cap, and the easy-buckling mechanism is combined with the mouth and nose cover cap.

The utility model discloses an easy knot mechanism that industry face guard just taken and reset compares with prior art, and beneficial effect is:

1. the prior art has no easy-buckling mechanism, two long elastic belts directly surround the head, or four elastic belts are buckled and locked together and surround the head, so that the elastic belts have no reserved space, the oronasal mask cover needs to be pulled manually and then buckled, and the oronasal mask cover is loosened by repeated operation, so that the oronasal mask cover is uncomfortable to fit the face and leaks air; on the other hand, the user can grasp the bad position when the mouth and nose cover is buckled, so that the air leakage occurs due to the deviation.

And the utility model designs an easy mechanism of detaining, the upper end elastic cord of half face guard passes the elastic cord locating hole of easy mechanism of detaining by the bandeau after, passes the oronasal shroud again, will easily detain the mechanism and make up with oronasal shroud. The utility model discloses an add and establish easy knot mechanism, be fixed in easy knot with the elastic cord of some interference and construct on, easily detain two states that lock and unblock can appear in mechanism and the oronasal shroud cooperation process, the state through easy knot mechanism is switched and is realized laminating and relaxing, thereby the elastic cord of wearing on the elastic cord locating hole can change the elasticity along with the state switch, and then realize the extension and the shortening of elastic cord, the extension elastic cord can make half face guard cover body relax promptly, expose the oronasal to drink water and have a clear conversation, and will easily detain behind the mechanism lock, the elasticity and the dimensional position that reset are identical before with the unblock, the trouble of readjusting the elastic cord has been avoided, the process of positive negative pressure self-checking has also been reduced, the wear-time has been saved, safe and reliable more.

2. The utility model discloses U type arm both ends inboard of easily detaining mechanism is provided with the connection guide pillar, and for connecting the guide pillar of easily detaining and oronasal shroud, its size can guarantee easily detaining the stable connection of mechanism and oronasal shroud, and rotates in the same direction as smooth to the clearance volume that leaves corresponding tolerance with oronasal shroud junction guarantees to buckle the mechanism padlock deformation in-process easily, can be with suitable angular deformation and still can guarantee its fastness.

3. The utility model discloses be provided with two elastic cord locating holes on the front end plane of easily detaining the mechanism, spread into two elastic cord locating holes with the elastic cord in proper order of sequence, the mechanism location can be detained easily to this hole, prevents the skew, and in use switches according to the state of easily detaining, carries out the elastic cord extension and receives the weak point.

4. The whole reinforcing rib is additionally arranged on the bottom surface of the U-shaped arm of the easy-buckling mechanism, on one hand, the reinforcing rib can ensure that the easy-buckling mechanism cannot deform due to external force in the long-time buckling process, and the structural strength and the service life are greatly improved; on the other hand, the end part of the reinforcing rib provides support for the gear part with a V-shaped design.

5. The utility model discloses the strengthening rib of easily detaining the mechanism is located the gear portion that U type both ends were provided with the V mouth for the movable gear of mechanism is easily detained in the switching, and dynamics and the damping of gear portion lock are confirmed through the repetition test, can guarantee the fastening of easily detaining the mechanism padlock state, can guarantee again to have obvious damping sense when relaxing the switching, and accomplish and switch the back dynamics obvious, can obviously indicate for the user.

To sum up, the utility model discloses an easily detain mechanism excellent in use effect makes half face guard take the convenience temporarily in the industrial and mining environment, and the lock does not take place to shift or leak gas repeatedly to and the face guard is worn and is dismantled and other safety protective equipment such as safety helmet do not produce the conflict, and the operation is used more conveniently, has good practical value.

Drawings

Fig. 1 is a schematic top perspective view of an easy-fastening mechanism for easy removal and replacement of an industrial mask according to an embodiment of the present invention;

fig. 2 is a side view of an easy-fastening mechanism for easy removal and replacement of an industrial mask according to an embodiment of the present invention;

fig. 3 is a rear view of an easy-fastening mechanism for easy removal and replacement of an industrial mask according to an embodiment of the present invention;

fig. 4 is a real photograph showing the fastening state of the easy-fastening mechanism for easy-taking and resetting of the industrial mask installed on the mask cover;

fig. 5 is a real photograph showing an unlocked state of the easy-buckle mechanism for easy-to-take and reset of the industrial mask installed on the mask cover;

in FIGS. 1-3: 1-connecting guide post, 2-elastic band positioning hole, 3-gear part and 4-reinforcing rib.

Detailed Description

The present invention will be further described with reference to the following embodiments and accompanying fig. 1-5, but the present invention is not limited to these embodiments.

Example 1

An easy-fastening mechanism for an industrial mask to be taken and reset conveniently is disclosed, as shown in figures 1-3, the whole easy-fastening mechanism is a U-shaped easy-fastening piece and is arranged at the mouth and nose cover of a half mask, and connecting guide pillars 1 are arranged on the inner sides of two ends of a U-shaped arm of the easy-fastening mechanism and are used for being connected with the mouth and nose cover; the front end of the easy-buckling mechanism is a plane, a left elastic band positioning hole 2 and a right elastic band positioning hole 2 are formed in the plane and used for penetrating through an elastic band, the elastic band is used for positioning the easy-buckling mechanism and does not deviate, the elastic band is used for connecting the head band, the easy-buckling mechanism and the oronasal mask cover, namely the upper end elastic band of the half mask penetrates through the elastic band positioning holes 2 of the easy-buckling mechanism through the head band and then penetrates through the oronasal mask cover, and the easy-buckling mechanism is combined with the oronasal mask cover. The bottom surface of the U-shaped arm of the easy-buckling mechanism is provided with a reinforcing rib 4 for reinforcing the strength of the U-shaped arm; the reinforcing ribs 4 are positioned at two ends of the U-shaped arm and are provided with V-shaped gear parts 3 for switching movable gears of the easy-buckling mechanism. The switching state of the gear part 3 is divided into two states of buckling and unlocking, so that the attachment and the release of the easy-buckling mechanism are realized, specifically, when the easy-buckling mechanism is pressed down, the switching state of the gear part 3 is buckling, and the elastic cord is tensioned, so that the half mask is attached to the face; when the easy-to-buckle mechanism is lifted, the gear part 3 is switched to be unlocked, and the elastic band is released, so that the half mask is separated from the face.

In addition, the root of the connecting guide pillar 1 and the connection part of the mouth and nose cover cap are provided with a gap, so that the buckling deformation process of the easy-buckling mechanism is guaranteed, the proper angle deformation can be realized, and the firmness can be still guaranteed.

The easy-buckling mechanism of the embodiment is arranged on the oronasal mask cover, the using effect is good, and the upper end elastic band of the half mask passes through the elastic band positioning hole of the easy-buckling mechanism by the headband and then passes through the oronasal mask cover, so that the easy-buckling mechanism is combined with the oronasal mask cover. Therefore, through setting up easily detaining the mechanism additional, be fixed in easily detaining the mechanism with the elastic cord of some interference, easily detain two states that lock and unblock can appear in mechanism and the oronasal mask cooperation in-process, the state switch through easily detaining the mechanism realizes laminating and relaxing, thereby the elastic cord of wearing on the elastic cord locating hole can change the elasticity along with the state switch, and then realize the extension and the shortening of elastic cord, the extension elastic cord can make half face guard cover body relax promptly, it drinks water and clear conversation to expose the oronasal, and will easily detain mechanism lock back, the elasticity and the dimensional position that reset are identical before with the unblock, the trouble of readjustment elastic cord has been avoided, the process of positive negative pressure self-checking has also been reduced, the dress wear time has been saved, and is safe and reliable more. The whole reinforcing rib is additionally arranged on the bottom surface of the U-shaped arm of the easy-buckling mechanism, so that on one hand, the reinforcing rib can ensure that the easy-buckling mechanism cannot deform due to external force in a long-time buckling process, and the structural strength and the service life are greatly improved; on the other hand, the gear portion of strengthening rib tip for designing the V shape of mouth of a river provides the support, and assurance gear that can be fine switches, and the dynamics and the damping of gear portion lock are confirmed through the repetition test, can guarantee the fastening of easy knot mechanism padlock state, can guarantee again to have obvious damping when relaxing the switching and feel, and the completion switching back dynamics is obvious, can give the obvious suggestion of user. The easy knot of this embodiment constructs excellent in use effect, and its state photo of installing in the oronasal shroud department of half face guard is shown in fig. 4 and fig. 5, makes half face guard take the convenience temporarily in the industrial and mining environment, and the lock is taken repeatedly and is not taken place aversion or gas leakage to and the face guard is worn and is dismantled and other safety protective equipment such as safety helmet and not produce the conflict, and the operation is used more conveniently.

The prior art does not have an easy-buckling mechanism, two long elastic belts directly surround the head, or four elastic belts are buckled and locked together and surround the head, so that the elastic belts do not have reserved space, the oronasal mask cover needs to be pulled manually and then buckled, and the elastic belts are loosened on one hand by repeated operation, so that the oronasal mask cover is uncomfortable to fit the face and leaks air; on the other hand, the user can grasp the bad position when the mouth and nose cover is buckled, so that the air leakage occurs due to the deviation.

Claims

1. An easy-buckling mechanism for conveniently picking and resetting an industrial mask is characterized in that the whole easy-buckling mechanism is a U-shaped easy-buckling piece and is arranged at a mouth and nose cover of a half mask, and connecting guide pillars (1) are arranged on the inner sides of two ends of a U-shaped arm of the easy-buckling mechanism and are used for being connected with the mouth and nose cover; the front end of the easy-buckling mechanism is a plane, a left elastic band positioning hole (2) and a right elastic band positioning hole (2) are formed in the plane and used for penetrating through the elastic bands, and the elastic bands are used for positioning the easy-buckling mechanism to be not deviated; the bottom surface of the U-shaped arm of the easy-buckling mechanism is provided with a reinforcing rib (4) for reinforcing the strength of the U-shaped arm; the reinforcing ribs (4) are located at two ends of the U-shaped arm and are provided with gear parts (3) for switching movable gears of the easy-buckling mechanism.

2. The easy-to-buckle mechanism for easy taking and resetting of industrial mask as claimed in claim 1, wherein said stopper portion (3) is V-shaped.

3. The easy-fastening mechanism for easy taking and resetting of industrial mask as claimed in claim 1, wherein the switching state of the gear portion (3) is divided into two states of fastening and unlocking, so as to realize the fitting and releasing of the easy-fastening mechanism.

4. The easy-fastening mechanism for easy taking off and resetting of industrial mask as claimed in claim 3, wherein when the easy-fastening mechanism is pressed down, the switching state of the gear portion (3) is fastened, and the elastic band is tightened to make the half mask fit the face.

5. The easy-to-fasten mechanism for easy taking and resetting of industrial mask according to claim 3, wherein when the easy-to-fasten mechanism is lifted, the shifting state of the gear portion (3) is unlocked, and the elastic band is released, so that the half mask is separated from the face.

6. The easy-fastening mechanism for easy taking and resetting of industrial mask as claimed in claim 1, wherein there is a gap between the root of the connecting guide post (1) and the connection of the oral and nasal mask.

7. The easy-fastening mechanism for easy taking off and resetting of industrial mask as claimed in claim 1, wherein the elastic band is the elastic band connecting the head band, the easy-fastening mechanism and the oronasal mask cover, i.e. the upper end elastic band of the half mask is passed through the elastic band positioning hole (2) of the easy-fastening mechanism by the head band and then passed through the oronasal mask cover, and the easy-fastening mechanism is combined with the oronasal mask cover.