阅读说明：本技术 一种调节式化学氧呼吸器 (Adjustable chemical oxygen respirator ) 是由 周进 杨小军 杨荣海 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种调节式化学氧呼吸器,包括呼吸面罩、通气管、上部连接管、生氧箱、侧部浮动机构、中部伸缩机构、下部连接管；本发明的通气管的下端通过中部伸缩机构连接于生氧箱的上端中间,以及下部连接管的上端两侧分别通过侧部浮动机构连接于上部连接管的下端,如此通过旋转驱动环,带动外螺纹环上下移动,从而带动整个下部连接管和生氧箱进行上下浮动,如此可以调节作业人员的佩戴位置,可针对不同的佩戴人员进行适配的调节,提高作业人员的佩戴舒适度。(The invention discloses an adjustable chemical oxygen respirator, which comprises a breathing mask, a breather pipe, an upper connecting pipe, an oxygen generating tank, a side floating mechanism, a middle telescopic mechanism and a lower connecting pipe, wherein the breathing mask is provided with a breathing hole; the lower end of the vent pipe is connected to the middle of the upper end of the oxygen generation tank through the middle telescopic mechanism, and two sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through the side floating mechanisms, so that the external thread ring is driven to move up and down by rotating the driving ring, the whole lower connecting pipe and the oxygen generation tank are driven to float up and down, the wearing position of an operator can be adjusted, adaptive adjustment can be performed on different wearing personnel, and the wearing comfort level of the operator is improved.)

1. An adjustable chemical oxygen respirator is characterized by comprising a breathing mask, a breather pipe, an upper connecting pipe, an oxygen generating tank, a side floating mechanism, a middle telescopic mechanism and a lower connecting pipe; a breather pipe is arranged in the middle of the bottom of the breathing mask; two sides of the vent pipe are respectively provided with an upper connecting pipe; the lower end of the vent pipe is connected to the middle of the upper end of the oxygen generating box through a middle telescopic mechanism; the lower connecting pipe is of a U-shaped structure; the upper side of the middle of the lower connecting pipe is connected to the middle of the bottom of the oxygen generation box through a shunt pipe; the two sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through a side floating mechanism; the upper part and the lower part of the interior of the oxygen generating box are respectively provided with a filter screen; oxygen-making particles are filled between filter screens in the oxygen generation box; the side floating mechanism comprises a connecting block, a positioning side plate, a positioning ring, an extension pipe, a driving ring, an internal thread ring and an external thread ring; two sides of the lower end of the upper connecting pipe are respectively provided with a connecting block; the lower sides of the connecting blocks are respectively provided with a positioning side plate, the lower ends of the positioning side plates are jointly provided with a positioning ring, and the lower ends of the positioning rings are respectively provided with a driving ring in a rotating clamping manner; the inner sides of the lower ends of the driving rings are respectively provided with an internal thread ring; external thread rings are respectively arranged on the peripheries of the two sides of the upper end of the lower connecting pipe; the internal thread ring is rotatably sleeved on the outer side of the periphery of the external thread ring in a threaded manner; both sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through telescopic pipes; the two sides of the upper end of the lower connecting pipe are respectively connected to the inner sides of the positioning side plates in a sliding and clamping manner up and down; the driving ring rotates to drive the lower connecting pipe to float up and down.

2. The adjustable chemical oxygen respirator as claimed in claim 1, wherein sliding blocks are respectively arranged on both sides of the upper end of the externally threaded ring; the inner sides of the positioning side plates are respectively provided with a clamping sliding groove; the external thread ring is slidably mounted on the clamping sliding groove on the inner side of the positioning side plate through sliding blocks on two sides of the upper end.

3. The adjustable chemical oxygen respirator of claim 2, wherein the snap slide channel has a sliding coating disposed therein; the sliding coating is a polytetrafluoroethylene coating.

4. The adjustable chemical oxygen respirator of claim 1, wherein the positioning ring has a circumferential groove around its lower end; two sides of the upper end of the driving ring are respectively provided with a rotary clamping and connecting rod; the driving ring is rotationally clamped on the rotating ring grooves around the lower end of the positioning ring through the rotating clamping rods on the two sides of the upper end.

5. The adjustable chemical oxygen respirator of claim 1, wherein the mid-telescopic mechanism comprises a stretching tube, a conduit tube, a guide cylinder, a guide rod; a conduction pipe is arranged at the upper side of the middle of the oxygen generating box; the upper end of the conduction pipe is connected to the lower end of the vent pipe through the stretching pipe; two sides of the middle of the oxygen generating box are respectively provided with a guide cylinder; the lower sides of the upper connecting pipes are respectively provided with a guide rod; the guide cylinder is inserted around the lower end of the guide rod in a vertically sliding mode.

6. The adjustable chemical oxygen respirator of claim 5, wherein the conduit is provided with an exhalation gas delivery check valve; and the upper connecting pipes are respectively provided with an air suction conveying one-way valve.

7. The adjustable chemical oxygen respirator of claim 5, wherein the extension tube is made of a bellows material.

Technical Field

The invention relates to a regulating chemical oxygen respirator.

Background

The chemical oxygen operation respirator can effectively solve the defects that the current air respirator has short service time and usually does not exceed 1 hour, simultaneously, compared with the existing oxygen respirator, the chemical oxygen generating agent is utilized to absorb carbon dioxide exhaled by a wearer and generate oxygen for inhalation, a traditional high-pressure oxygen cylinder is not used for supplying oxygen, the hidden danger caused by high-pressure and high-concentration oxygen is avoided, a calcium hydroxide cleaning tank is not needed to specially remove the carbon dioxide exhaled by a human body, the use and maintenance are simple, and the chemical oxygen operation respirator can be used for 4 hours when emergency rescue personnel work in dangerous environments such as a fire scene, toxic and harmful gas leakage, oxygen deficiency and the like; the general structure of current chemistry oxygen operation respirator has set up the oxygen generation case and the air duct who has filled the system oxygen granule in respirator's below, current oxygen generation case and respirator interval can not be adjusted, and when the personnel were worn, because everybody's face and neck's length are different, make when wearing personnel and wear not too comfortable, the oxygen generation case supported easily when crouching very much and pressed people's thorax upper portion, so need finely tune, improve the comfort level of wearing personnel.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: a regulated chemical oxygen respirator is provided that improves the comfort of the wearer.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

an adjustable chemical oxygen respirator comprises a breathing mask, a breather pipe, an upper connecting pipe, an oxygen generating tank, a side floating mechanism, a middle telescopic mechanism and a lower connecting pipe; a breather pipe is arranged in the middle of the bottom of the breathing mask; two sides of the vent pipe are respectively provided with an upper connecting pipe; the lower end of the vent pipe is connected to the middle of the upper end of the oxygen generating box through a middle telescopic mechanism; the lower connecting pipe is of a U-shaped structure; the upper side of the middle of the lower connecting pipe is connected to the middle of the bottom of the oxygen generation box through a shunt pipe; the two sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through a side floating mechanism; the upper part and the lower part of the interior of the oxygen generating box are respectively provided with a filter screen; oxygen-making particles are filled between filter screens in the oxygen generation box; the side floating mechanism comprises a connecting block, a positioning side plate, a positioning ring, an extension pipe, a driving ring, an internal thread ring and an external thread ring; two sides of the lower end of the upper connecting pipe are respectively provided with a connecting block; the lower sides of the connecting blocks are respectively provided with a positioning side plate, the lower ends of the positioning side plates are jointly provided with a positioning ring, and the lower ends of the positioning rings are respectively provided with a driving ring in a rotating clamping manner; the inner sides of the lower ends of the driving rings are respectively provided with an internal thread ring; external thread rings are respectively arranged on the peripheries of the two sides of the upper end of the lower connecting pipe; the internal thread ring is rotatably sleeved on the outer side of the periphery of the external thread ring in a threaded manner; both sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through telescopic pipes; the two sides of the upper end of the lower connecting pipe are respectively connected to the inner sides of the positioning side plates in a sliding and clamping manner up and down; the driving ring rotates to drive the lower connecting pipe to float up and down.

Furthermore, sliding blocks are respectively arranged on two sides of the upper end of the external thread ring; the inner sides of the positioning side plates are respectively provided with a clamping sliding groove; the external thread ring is slidably mounted on the clamping sliding groove on the inner side of the positioning side plate through sliding blocks on two sides of the upper end.

Further, a sliding coating is arranged in the clamping sliding groove; the sliding coating is a polytetrafluoroethylene coating.

Furthermore, a rotating ring groove is formed around the lower end of the positioning ring; two sides of the upper end of the driving ring are respectively provided with a rotary clamping and connecting rod; the driving ring is rotationally clamped on the rotating ring grooves around the lower end of the positioning ring through the rotating clamping rods on the two sides of the upper end.

Furthermore, the middle telescopic mechanism comprises a stretching pipe, a conduction pipe, a guide cylinder and a guide rod; a conduction pipe is arranged at the upper side of the middle of the oxygen generating box; the upper end of the conduction pipe is connected to the lower end of the vent pipe through the stretching pipe; two sides of the middle of the oxygen generating box are respectively provided with a guide cylinder; the lower sides of the upper connecting pipes are respectively provided with a guide rod; the guide cylinder is inserted around the lower end of the guide rod in a vertically sliding mode.

Further, the conduction pipe is provided with an expired gas delivery one-way valve; and the upper connecting pipes are respectively provided with an air suction conveying one-way valve.

Further, the stretching pipe is made of a corrugated pipe material.

The invention has the advantages of

The lower end of the vent pipe is connected to the middle of the upper end of the oxygen generation tank through the middle telescopic mechanism, and two sides of the upper end of the lower connecting pipe are respectively connected to the lower end of the upper connecting pipe through the side floating mechanisms, so that the external thread ring is driven to move up and down by rotating the driving ring, the whole lower connecting pipe and the oxygen generation tank are driven to float up and down, the wearing position of an operator can be adjusted, adaptive adjustment can be performed on different wearing personnel, and the wearing comfort level of the operator is improved; in addition, when the inhaled oxygen is cooled, the external thread ring can be driven to move downwards through the rotary driving ring, so that the telescopic pipe is driven to extend and stretch, the conveying path of the oxygen is extended, the cooling time of the oxygen is prolonged, and the cooling adjustment is realized.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view showing the construction of the middle telescopic mechanism and the oxygen generating tank of the present invention.

Fig. 3 is an enlarged structural view of the side floating mechanism of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a regulating chemical oxygen respirator comprises a breathing mask 1, a breather pipe 2, an upper connecting pipe 3, an oxygen generating tank 6, a side floating mechanism 4, a middle telescopic mechanism 5 and a lower connecting pipe 7; a breather pipe 2 is arranged in the middle of the bottom of the breathing mask 1; the two sides of the breather pipe 2 are respectively provided with an upper connecting pipe 3; the lower end of the vent pipe 2 is connected to the middle of the upper end of the oxygen generating box 6 through a middle telescopic mechanism 5; the lower connecting pipe 7 is of a U-shaped structure; the middle upper side of the lower connecting pipe 7 is connected to the middle of the bottom of the oxygen generating tank 6 through a shunt pipe 71; both sides of the upper end of the lower connecting pipe 7 are respectively connected to the lower end of the upper connecting pipe 3 through a side floating mechanism 4; the upper part and the lower part of the interior of the oxygen generating box 6 are respectively provided with a filter screen 61; oxygen-making particles 62 are filled between the filter screens 61 in the oxygen-generating box 6; the side floating mechanism 4 comprises a connecting block 41, a positioning side plate 42, a positioning ring 45, an extension pipe 43, a driving ring 46, an internal thread ring 47 and an external thread ring 44; two sides of the lower end of the upper connecting pipe 3 are respectively provided with a connecting block 41; the lower sides of the connecting blocks 41 are respectively provided with a positioning side plate 42, the lower ends of the positioning side plates 42 are jointly provided with a positioning ring 45, and the lower ends of the positioning rings 45 are respectively provided with a driving ring 46 in a rotating clamping manner; the inner sides of the lower ends of the driving rings 46 are respectively provided with an internal thread ring 47; external thread rings 44 are respectively arranged on the periphery of the two sides of the upper end of the lower connecting pipe 7; the internal thread ring 47 is rotatably sleeved on the outer side of the periphery of the external thread ring 44; both sides of the upper end of the lower connecting pipe 7 are respectively connected with the lower end of the upper connecting pipe 3 through telescopic pipes 43; the two sides of the upper end of the lower connecting pipe 7 are respectively clamped and connected to the inner side of the positioning side plate 42 in a vertical sliding manner; the driving ring 46 rotates to drive the lower connection pipe 7 to float up and down.

As shown in fig. 1 to 3, it is further preferable that sliding blocks 441 are respectively disposed on both sides of the upper end of the external thread ring 44; the inner sides of the positioning side plates 42 are respectively provided with a clamping sliding groove 421; the external thread ring 44 is mounted on the clamping sliding groove 421 on the inner side of the positioning side plate 42 in a vertical sliding manner through sliding blocks 441 on two sides of the upper end. Further, a sliding coating is arranged in the clamping sliding groove 421; the sliding coating is a polytetrafluoroethylene coating. Further, a rotating ring groove 451 is formed around the lower end of the positioning ring 45; two sides of the upper end of the driving ring 46 are respectively provided with a rotary clamping rod 461; the driving ring 46 is rotatably engaged with the rotating ring groove 451 around the lower end of the positioning ring 45 by the rotating engagement rods 461 at both sides of the upper end. Further, the middle telescopic mechanism 5 comprises a stretching pipe 52, a conduction pipe 51, a guide cylinder 54 and a guide rod 53; a conduction pipe 51 is arranged at the upper side of the middle of the oxygen generating box 6; the upper end of the conduction pipe 51 is connected with the lower end of the vent pipe 2 through a stretching pipe 52; two sides of the middle of the oxygen generating box 6 are respectively provided with a guide cylinder 54; a guide rod 53 is respectively arranged at the lower side of the upper connecting pipe 3; the guide cylinder 54 is inserted around the lower end of the guide rod 53 in a sliding manner. Further, the conduction pipe 51 is provided with an expired gas delivery check valve 511; the upper connecting pipes 3 are respectively provided with a suction gas delivery check valve 31. Further, the stretching tube 52 is made of a corrugated tube material.

The lower end of the vent pipe 2 is connected to the middle of the upper end of the oxygen generating tank 6 through the middle telescopic mechanism 5, and the two sides of the upper end of the lower connecting pipe 7 are respectively connected to the lower end of the upper connecting pipe 3 through the side floating mechanisms 4, so that the external thread ring 44 is driven to move up and down by rotating the driving ring 46, the whole lower connecting pipe 7 and the oxygen generating tank 6 are driven to float up and down, the wearing position of an operator can be adjusted, the adaptive adjustment can be carried out on different wearers, the wearing comfort of the operator is improved, in addition, when oxygen inhalation needs to be cooled, the external thread ring 44 can be driven to move downwards by rotating the driving ring 46, the telescopic pipe 43 is driven to extend and stretch, the conveying path of the oxygen is prolonged, the cooling time of the oxygen is prolonged, and the cooling adjustment is realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.