Back plate of air respirator

Abstract

The utility model relates to the technical field of windscreen wipers, discloses a backboard of an air respirator, and solves the problems that an oxygen bottle of an existing air respirator possibly falls off along with stooping of a wearer, so that the oxygen bottle collides with the ground or other objects, impact force or an explosive effect is generated, and the safety of the wearer is affected. The body injury to a wearer and surrounding people is caused. An air respirator back plate comprises a back plate body, a strap is movably installed on one side of the back plate body, the strap comprises a buckle assembly, a plate groove, a sliding groove, a soft plate and a clamping groove, the buckle assembly comprises a spring, a clamping plate, a handle and an adjusting block, and the effect that an oxygen bottle can be prevented from sliding off when a wearer needs to continuously bend down to work is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air respirator back plates, in particular to an air respirator back plate. Background Art

[0002] An air respirator is a self-contained open air respirator. It is widely used in firefighting, chemical industry, shipping, petroleum, smelting, warehouses, laboratories, mines and other departments. It is used by firefighters or emergency rescue personnel to safely and effectively extinguish fires, carry out emergency rescue and rescue work in various environments such as thick smoke, toxic gas, steam or hypoxia. The air respirator is mainly composed of an air respirator mask, a gas cylinder, a pressure gauge and an air respirator back plate. The design of the air respirator back plate conforms to the principles of ergonomics, has flame retardant and anti-static functions, and is light and sturdy. However, when the oxygen cylinder is installed on the existing air respirator back plate, the back plate is placed horizontally and the oxygen cylinder is fixed to the back plate by a gas cylinder fixing belt. However, when the wearer bends down to wear the air respirator, the oxygen cylinder may be installed loosely and thus slip, causing the oxygen cylinder to hit the ground or other objects, generating impact force or explosive effect, causing physical harm to the wearer and people around him. Utility Model Content

[0003] The utility model aims to provide an air respirator back plate, which is used to work, thereby solving the problem that in the existing air respirator, when the wearer bends down, there may be a risk that the oxygen cylinder may fall off, causing the oxygen cylinder to hit the ground or other objects, generating impact force or explosive effect, causing physical harm to the wearer and the people around.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air respirator back plate, comprising a back plate, a shoulder strap being movably mounted on one side of the back plate;

[0005] An adjusting plate is fixedly installed on one side of the back plate, an adjusting slot is penetrated through one side of the adjusting plate, and sliding blocks are fixedly installed on both sides of the adjusting plate.

[0006] Preferably, a soft board is fixedly installed inside the shoulder strap, a board slot is opened on one side of the shoulder strap, a card slot is opened on the upper surface of the shoulder strap, and a buckle assembly for fixing the movement of the shoulder strap is fixedly installed on the upper surface of the shoulder strap.

[0007] Preferably, a slide groove is provided on the inner wall of the soft board, the slide groove is slidably connected to the slider, and a card groove is also provided on the upper surface of the soft board.

[0008] Preferably, a fixing belt is fixedly installed on one side of the back plate, and a base is fixedly installed on one side of the back plate.

[0009] Preferably, the buckle assembly includes a spring fixedly mounted on the upper surface of the shoulder strap, a card plate fixedly mounted on the upper surface of the spring, a handle fixedly mounted on the upper surface of the card plate, and an adjustment block fixedly mounted on the lower surface of the card plate, and the adjustment block is slidably connected to the card slot, and the adjustment block corresponds to the adjustment slot.

[0010] Preferably, an intermittent groove is provided on the lower surface of the clamping plate, a cross bar is fixedly mounted on the inner wall of the intermittent groove, and a support plate is sleeved on the outer surface of the cross bar.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model provides an air respirator back plate. When the air respirator needs to be worn, the oxygen cylinder only needs to be placed upside down inside the base, and then it can be tied to the back plate by a fixing belt. After that, the air respirator back plate can be directly worn. When the wearer needs to bend over to wear the air respirator back plate, the buckle assembly only needs to be pulled, and at the same time the support plate will flip out to lock the buckle assembly. At this time, the oxygen cylinder and the back plate are still in a vertical state when the wearer bends over, so that the oxygen cylinder can be prevented from slipping when the wearer needs to bend over continuously to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the adjustment plate of the utility model;

[0015] Figure 3 It is a cross-sectional schematic diagram of the shoulder strap of the utility model;

[0016] Figure 4 For the utility model Figure 3 A magnified schematic diagram;

[0017] Figure 5 This is a schematic diagram of a buckle assembly of the utility model;

[0018] Figure 6 It is a bottom view of the pallet of the present invention.

[0019] In the figure: 1, back plate; 11, adjustment plate; 111, adjustment slot; 12, fixing belt; 13, base; 112, slider; 2, shoulder strap; 21, buckle assembly; 211, spring; 212, clamping plate; 2121, intermittent slot; 2122, cross bar; 2123, support plate; 213, handle; 214, adjustment block; 22, plate slot; 23, slide slot; 24, soft board; 25, clamping slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0022] Combination Figure 1 , an air respirator back plate, a back plate 1, characterized in that a shoulder strap 2 is movably mounted on one side of the back plate 1.

[0023] The utility model is further described below in conjunction with embodiments.

[0024] See also Figure 1-Figure 6 An adjusting plate 11 is fixedly installed on one side of the back plate 1, an adjusting slot 111 is penetrated through one side of the adjusting plate 11, and sliders 112 are fixedly installed on both sides of the adjusting plate 11. The sliders 112 and the adjusting plate 11 can allow the back plate 1 to be in a vertical state when the wearer bends over while wearing the back plate 1.

[0025] A soft plate 24 is fixedly installed inside the shoulder strap 2, a plate slot 22 is opened on one side of the shoulder strap 2, a card slot 25 is opened on the upper surface of the shoulder strap 2, and a buckle assembly 21 for fixing the movement of the shoulder strap 2 is fixedly installed on the upper surface of the shoulder strap 2. The plate slot 22 allows the adjustment plate 11 to be completely stored, so that the shoulder strap 2 can be extended.

[0026] A slide groove 23 is provided on the inner wall of the soft board 24 , and the slide groove 23 is slidably connected to the slider 112 . A clamping groove 25 is also provided on the upper surface of the soft board 24 , and the slide groove 23 allows the slider 112 to be clamped when the adjustment plate 11 is extended to the top.

[0027] A fixing belt 12 is fixedly installed on one side of the back plate 1 , and a base 13 is fixedly installed on one side of the back plate 1 . The oxygen cylinder can be placed on one side of the back plate 1 through the base 13 and then fixed by the fixing belt 12 .

[0028] The buckle assembly 21 includes a spring 211 fixedly mounted on the upper surface of the shoulder strap 2, a clamping plate 212 fixedly mounted on the upper surface of the spring 211, a handle 213 fixedly mounted on the upper surface of the clamping plate 212, and an adjustment block 214 fixedly mounted on the lower surface of the clamping plate 212. The adjustment block 214 is slidably connected to the clamping slot 25, and the adjustment block 214 corresponds to the adjustment slot 111. The adjustment block 214 allows the shoulder strap 2 to be clamped when the adjustment plate 11 is stored, and the spring 211 allows the buckle assembly 21 to be reset when it is stretched.

[0029] An intermittent groove 2121 is provided on the lower surface of the card plate 212, a cross bar 2122 is fixedly installed on the inner wall of the intermittent groove 2121, and a support plate 2123 is sleeved on the outer surface of the cross bar 2122. When the wearer needs to bend over and the adjustment block 214 is separated from the adjustment groove 111, the adjustment block 214 can be stuck in the card slot 25 through the support plate 2123.

[0030] Specifically, when the air respirator needs to be worn, the oxygen cylinder is placed upside down inside the base 13, and then it can be tied with the fixing belt 12 to fasten the oxygen cylinder to the back plate 1, and then the air respirator back plate can be worn. When the wearer needs to bend over, he only needs to pull the handle 213 upward to disengage the adjustment block 214 from the adjustment groove 111. When the adjustment block 214 rises, the support plate 2123 will flip out from the intermittent groove 2121, and then it will be in a vertical direction with the shoulder strap 2, and the buckle assembly 21 will be fixed. At this time, the adjustment block 214 will be in Inside the card slot 25, when the wearer bends over, the oxygen cylinder and the back plate 1 will be in a vertical state and will not flip over with the wearer, thereby greatly reducing the risk of the oxygen cylinder slipping off. When it is necessary to fix the distance between the shoulder strap 2 and the back plate 1, it is only necessary to push the support plate 2123 so that the support plate 2123 and the shoulder strap 2 are not in a vertical state. At this time, the spring 211 will re-insert the adjustment block 214 into the adjustment slot 111, and the shoulder strap 2 will be tightly installed with the back plate 1, thereby preventing the oxygen cylinder from slipping off when the wearer needs to bend over to work.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air respirator back plate, comprising a back plate (1), characterized in that: A shoulder strap (2) is movably mounted on one side of the back panel (1); An adjustment plate (11) is fixedly mounted on one side of the back plate (1), an adjustment slot (111) is provided through one side of the adjustment plate (11), and sliding blocks (112) are fixedly mounted on both sides of the adjustment plate (11).

2. The air respirator back plate according to claim 1, characterized in that: A soft plate (24) is fixedly installed inside the shoulder strap (2), a plate slot (22) is provided on one side of the shoulder strap (2), a clamping slot (25) is provided on the upper surface of the shoulder strap (2), and a buckle assembly (21) for fixing the movement of the shoulder strap (2) is fixedly installed on the upper surface of the shoulder strap (2).

3. The air respirator back plate according to claim 2, characterized in that: The inner wall of the soft board (24) is provided with a sliding groove (23), the sliding groove (23) is slidably connected to the slider (112), and the upper surface of the soft board (24) is also provided with a clamping groove (25).

4. The air respirator back plate according to claim 1, characterized in that: A fixing belt (12) is fixedly mounted on one side of the back plate (1), and a base (13) is fixedly mounted on one side of the back plate (1).

5. The air respirator back plate according to claim 3, characterized in that: The buckle assembly (21) comprises a spring (211) fixedly mounted on the upper surface of the shoulder strap (2), a clamping plate (212) fixedly mounted on the upper surface of the spring (211), a handle (213) fixedly mounted on the upper surface of the clamping plate (212), and an adjustment block (214) fixedly mounted on the lower surface of the clamping plate (212), wherein the adjustment block (214) is slidably connected to the clamping slot (25), and the adjustment block (214) corresponds to the adjustment slot (111).

6. The air respirator back plate according to claim 5, characterized in that: An intermittent groove (2121) is provided on the lower surface of the clamping plate (212), a cross bar (2122) is fixedly mounted on the inner wall of the intermittent groove (2121), and a support plate (2123) is sleeved on the outer surface of the cross bar (2122).

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