High-pressure quick release device

Abstract

The utility model provides a high-pressure quick release device, and belongs to the technical field of respirators. The problems that an existing gas conveying pipe fitting and a respirator gas cylinder are mostly connected through common bolt fixed connection, mounting and dismounting need to be conducted through a wrench, mounting and dismounting between the gas cylinder and an output pipe fitting are difficult, and using convenience of the respirator gas cylinder and the gas conveying pipe fitting is reduced are solved. The high-pressure quick release device comprises a first butt joint pipe fitting and an outer shell arranged on the outer side of the first butt joint pipe fitting, a first air guide pipe fitting is clamped in an inner cavity of the first butt joint pipe fitting, an adapter is fixedly arranged on the first air guide pipe fitting, a fixing shell is fixedly arranged on the outer side of the adapter, a rotatable adjusting plate is arranged on the outer side of the fixing shell, and a plurality of through holes are formed in the fixing shell; the gas conveying pipe fitting has the advantages that the gas conveying pipe fitting and the respirator gas cylinder can be quickly disassembled and assembled, and the use convenience of the gas conveying pipe fitting and the respirator gas cylinder is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of respirator, and relates to a high pressure quick release device. BACKGROUND

[0002] A respirator is a device for providing or assisting breathing, and is widely used in medical, industrial, fire fighting, diving, mine rescue and other fields. Its core function is to help users maintain normal breathing in anoxic, toxic or polluted environment by storing and delivering clean gas (such as air or oxygen).

[0003] The existing gas delivery pipe and the respirator gas cylinder are mostly connected by common bolt fixing connection, which needs to be disassembled with a wrench, so that the gas cylinder and the output pipe are difficult to disassemble, and the convenience of the respirator gas cylinder and the gas delivery pipe is reduced. Therefore, it is of great significance to design a high pressure quick release device. SUMMARY

[0004] The utility model discloses a high pressure quick release device to solve the above problems in the prior art.

[0005] The utility model discloses a high pressure quick release device, including the butt joint pipe spare one and the shell of setting in butt joint pipe spare one outside, its characterized in that butt joint pipe spare one inner chamber is connected with the gas guide pipe spare one, the fixed setting of gas guide pipe spare one on the adapter, the fixed setting of fixed shell outside adapter, the setting of rotatable adjusting plate outside fixed shell, the opening of a plurality of through -holes on fixed shell, the setting of movable ball in through -hole, the setting of limiting groove one for ball joint outside butt joint pipe spare one, the setting of extrusion part for extruding ball movement on limiting groove one, the setting of abutting portion one for limiting ball on adjusting plate, the setting of movable activity shell in fixed shell, the opening of air passage on adapter, the setting of pressure relief assembly on adapter.

[0006] In the above high pressure quick release device, spring one is arranged between the fixed shell and the adjusting plate, and spring two is arranged between the adapter and the movable shell.

[0007] In the above high pressure quick release device, a limiting rod is fixedly arranged on the fixed shell, an abutting portion two is arranged on the adjusting plate, and a limiting groove two for limiting is arranged on the adjusting plate.

[0008] In the above high pressure quick release device, a limiting block one is fixedly arranged on the outside of the fixed shell, and a clamping groove for clamping the ball is formed in the bottom of the adjusting plate.

[0009] In the high-pressure quick release device, the fixed shell is internally provided with a limiting part one, and the movable shell is provided with a limiting part two matched with the limiting part one.

[0010] In the high-pressure quick release device, the pressure relief assembly comprises a movable rod, the movable rod is slidingly arranged in the adapter, and the movable rod and the air passage form an O-shaped air cavity.

[0011] In the high-pressure quick release device, the adapter is provided with a slidable pressing plate on one side, and the pressing plate is fixedly connected with the movable rod, the adapter is internally provided with a movable cavity, a spring three is arranged between the movable rod and the movable cavity, the adapter is provided with a gas release hole communicating with the movable cavity on one side, and the movable rod is internally provided with a pressure relief channel communicating with the movable cavity.

[0012] In the high-pressure quick release device, the movable rod is provided with a limiting block two, and the adapter is provided with a limiting groove three for limiting the movement of the limiting block two.

[0013] In the high-pressure quick release device, the adapter is provided with an air pipe, one end of the air pipe is provided with a butt joint pipe two, and a gas guide pipe two is arranged between the adapter and the air pipe and between the air pipe and the butt joint pipe two.

[0014] In the high-pressure quick release device, the air pipe is provided with a fixing piece at both ends, the gas guide pipe two is fixedly connected with the air pipe through the fixing piece, and the adapter and the butt joint pipe two are provided with a detachable positioning rod, and the adapter and the butt joint pipe two are fixedly connected with the gas guide pipe two through the positioning rod.

[0015] Compared with the prior art, the high-pressure quick release device can realize quick disassembly and installation between the gas pipe and the respirator gas cylinder, and improves the convenience of use of the gas pipe and the respirator gas cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the high-pressure quick release device.

[0017] Figure 2 is a structure schematic view of the high-pressure quick release device in the installed state.

[0018] Figure 3 is a structure schematic view of the high-pressure quick release device in the disassembled state.

[0019] Figure 4 is a structure schematic view of the high-pressure quick release device.

[0020] Figure 5 is a structure schematic view of the high-pressure quick release device. Figure 2Structure schematic view at middle A.

[0021] Figure 6 The high-pressure quick release device is Figure 3 Structure schematic view at middle B.

[0022] Figure 7 The high-pressure quick release device is Figure 4 Structure schematic view at middle C.

[0023] In the figure, 1, butt joint pipe; 2, outer shell; 3, air guide pipe; 4, adapter; 5, fixed shell; 6, adjusting plate; 7, through hole; 8, ball; 9, limiting groove one; 10, extrusion part; 11, abutting part one; 12, movable shell; 13, air passage; 14, pressure relief assembly; 15, spring one; 16, spring two; 17, limiting rod; 18, abutting part two; 19, limiting groove two; 20, limiting block one; 21, clamping groove; 22, limiting part one; 23, limiting part two; 24, movable rod; 25, O-shaped air cavity; 26, pressing plate; 27, movable cavity; 28, spring three; 29, air vent; 30, pressure relief channel; 31, limiting block two; 32, limiting groove three; 33, air pipe; 34, butt joint pipe two; 35, air guide pipe two; 36, fixed part; 37, positioning rod. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present application and further describes the technical solution of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0025] As Figures 1-7As shown, the high-pressure quick release device comprises a butt joint pipe one 1 and a shell 2 arranged outside the butt joint pipe one 1, the inner cavity of the butt joint pipe one 1 is clamped with a gas guide pipe one 3, the gas guide pipe one 3 is fixedly provided with an adapter 4, the outer side of the adapter 4 is fixedly provided with a fixed shell 5, the outer side of the fixed shell 5 is provided with a rotatable adjusting plate 6, a plurality of through holes 7 are formed in the fixed shell 5, the through holes 7 are provided with movable balls 8, the outer side of the butt joint pipe one 1 is provided with a limiting groove one 9 for clamping the balls 8, the limiting groove one 9 is provided with a pressing part 10 for pressing the balls 8 to move, the adjusting plate 6 is provided with a first abutting part 11 for limiting the balls 8, the inside of the fixed shell 5 is provided with a movable shell 12, the adapter 4 is provided with a vent 13 and a pressure relief assembly 14, the butt joint pipe one 1 and the shell 2 are located on a breathing gas cylinder, in the installation state, the gas guide pipe one 3 is clamped into the butt joint pipe one 1, the first abutting part 11 on the adjusting plate 6 presses the balls 8, so that the balls 8 are clamped into the limiting groove one 9 on the butt joint pipe one 1, thereby achieving the effect of installation and fixation, at this time, the limiting rod 17 is located on the second abutting part 18, when disassembling, the adjusting plate 6 is rotated, so that the limiting rod 17 is located at the limiting groove two 19, the adjusting plate 6 is pulled out, the clamping groove 21 of the adjusting plate 6 is located outside the balls 8, then the balls 8 are pressed by the pressing part 10 on the limiting groove one 9, so that the balls 8 are separated from the limiting groove one 9, thereby realizing the quick disassembly between the gas guide pipe one 3 and the butt joint pipe one 1, and the gas guide pipe one 3 is provided with a sealing ring between the butt joint pipe one 1 and the adapter 4.

[0026] Preferably, a spring one 15 is arranged between the fixed shell 5 and the adjusting plate 6, a spring two 16 is arranged between the adapter 4 and the movable shell 12, after disassembly, the movable shell 12 slides under the action of the spring two 16, so that the outer side of the movable shell 12 abuts against the balls 8, the balls 8 are clamped and fixed between the clamping groove 21 of the adjusting plate 6, in the installation state, the butt joint pipe one 1 presses the movable shell 12, the spring two 16 is in a compressed state, the movable shell 12 does not abut against the balls 8, the adjusting plate 6 slides under the action of the spring one 15, so that the clamping groove 21 presses and moves the balls 8, so that the balls 8 are clamped in the limiting groove one 9 on the butt joint pipe one 1.

[0027] Preferably, a limiting rod 17 is fixedly arranged on the fixed shell 5, a second abutting part 18 is arranged on the adjusting plate 6, a limiting groove two 19 is arranged on the adjusting plate 6 for limiting, in the installation state, the limiting rod 17 is located on the second abutting part 18, in the disassembly state, the limiting rod 17 is located at the limiting groove two 19.

[0028] Preferably, the fixed shell 5 is externally fixed with a limiting block one 20, the bottom of the adjusting plate 6 is provided with a clamping groove 21 for clamping the ball 8, when the adjusting plate 6 is pulled out, the limiting block one 20 limits the adjusting plate 6, so that the clamping groove 21 on the adjusting plate 6 can be located outside the ball 8 and clamped with the ball 8.

[0029] Preferably, the fixed shell 5 is internally provided with a limiting part one 22, the movable shell 12 is provided with a limiting part two 23 which is attached to the limiting part one 22, in the disassembled state, the movable shell 12 is pushed open by the spring two 16, the limiting part one 22 is attached to the limiting part two 23, which limits the movement of the movable shell 12.

[0030] Preferably, the pressure relief assembly 14 comprises a movable rod 24, the movable rod 24 is slidably arranged in the adapter 4, and the movable rod 24 forms an O-shaped air cavity 25 with the air passage 13, when the adapter 4 is installed and used, the gas is transported through the O-shaped air cavity 25, when the device is disassembled, the pressure relief assembly 14 can first relieve pressure to prevent the gas cylinder from generating negative pressure and causing disassembly difficulty, and a sealing ring is arranged between the movable rod 24 and the adapter 4.

[0031] Preferably, the adapter 4 is provided with a slidable pressing plate 26 on one side, and the pressing plate 26 is fixedly connected with the movable rod 24, the adapter 4 is provided with a movable cavity 27, a spring three 28 is arranged between the movable rod 24 and the movable cavity 27, the adapter 4 is provided with a gas vent hole 29 which is communicated with the movable cavity 27, the movable rod 24 is provided with a pressure relief channel 30 which is communicated with the movable cavity 27, by pressing the pressing plate 26, the movable rod 24 is moved, the gas vent channel is communicated with the air passage 13, and then communicated with the outside through the gas vent hole 29 and the gas vent channel, so as to achieve the pressure relief effect, and the spring three 28 is used for the movable rod 24.

[0032] Preferably, the movable rod 24 is provided with a limiting block two 31, the adapter 4 is provided with a limiting groove three 32 for limiting the movement of the limiting block two 31, and the limiting block two 31 and the limiting groove three 32 are used in cooperation to limit the movement range of the movable rod 24.

[0033] Preferably, the adapter 4 is provided with an air pipe 33, one end of the air pipe 33 is provided with a butt joint pipe piece two 34, a gas guide pipe piece two 35 is arranged between the adapter 4 and the air pipe 33 and between the air pipe 33 and the butt joint pipe piece two 34, and a sealing ring is arranged between the gas guide pipe piece two 35 and the adapter 4 and the butt joint pipe piece two 34.

[0034] Preferably, the air pipe 33 is provided with a fixing member 36 at both ends, and the air guide pipe member two 35 is fixedly connected with the air pipe 33 through the fixing member 36, the adapter 4 and the counter-connection pipe member two 34 are both provided with a detachable positioning rod 37, and the adapter 4 and the counter-connection pipe member two 34 are both fixedly connected with the air guide pipe member two 35 through the positioning rod 37.

[0035] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0036] Although a lot of terms are used herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A high-pressure quick release device comprising a first mating pipe (1) and a housing (2) arranged outside the first mating pipe (1), characterized in that, The inner cavity of the butt joint pipe piece one (1) is clamped with a gas guide pipe piece one (3), the gas guide pipe piece one (3) is fixedly provided with an adapter (4), the outer side of the adapter (4) is fixedly provided with a fixed shell (5), the outer side of the fixed shell (5) is provided with a rotatable adjusting plate (6), a plurality of through holes (7) are formed in the fixed shell (5), the through holes (7) are provided with movable balls (8), the outer side of the butt joint pipe piece one (1) is provided with a limiting groove one (9) for clamping the balls (8), the limiting groove one (9) is provided with a pressing part (10) for pressing the balls (8) to move, the adjusting plate (6) is provided with an abutting part one (11) for limiting the balls (8), the inside of the fixed shell (5) is provided with a movable shell (12), the adapter (4) is provided with a gas passage (13), and the adapter (4) is provided with a pressure relief assembly (14).

2. A high-pressure quick release device according to claim 1, characterized in that The fixed shell (5) and the adjusting plate (6) are provided with a spring one (15), and the adapter (4) and the movable shell (12) are provided with a spring two (16).

3. The high-pressure quick release device of claim 1, wherein, The fixed shell (5) is fixedly provided with a limiting rod (17), the adjusting plate (6) is provided with an abutting part two (18), and the adjusting plate (6) is provided with a limiting groove two (19) for limiting.

4. The high-pressure quick release device of claim 1, wherein, The outer side of the fixed shell (5) is fixedly provided with a limiting block one (20), and the bottom of the adjusting plate (6) is provided with a clamping groove (21) for clamping the balls (8).

5. The high pressure quick disconnect device of claim 1, wherein, The inside of the fixed shell (5) is provided with a limiting part one (22), and the movable shell (12) is provided with a limiting part two (23) abutting with the limiting part one (22).

6. The high pressure quick disconnect device of claim 1, wherein, The pressure relief assembly (14) comprises a movable rod (24), the movable rod (24) is slidably arranged in the adapter (4), and the movable rod (24) and the gas passage (13) form an O-shaped air cavity (25).

7. A high pressure quick release device according to claim 6, wherein, One side of the adapter (4) is provided with a slidable pressing plate (26), the pressing plate (26) is fixedly connected with the movable rod (24), the adapter (4) is provided with a movable cavity (27), the movable rod (24) and the movable cavity (27) are provided with a spring three (28), one side of the adapter (4) is provided with a gas discharge hole (29) communicating with the movable cavity (27), the inside of the movable rod (24) is provided with a pressure relief channel (30), and the pressure relief channel (30) communicates with the movable cavity (27).

8. A high pressure quick release device according to claim 6, wherein, The movable rod (24) is provided with a limiting block two (31), and the adapter (4) is provided with a limiting groove three (32) for limiting the movement of the limiting block two (31).

9. The high pressure quick disconnect device of claim 1, wherein, The adapter (4) is provided with a gas pipe (33), one end of the gas pipe (33) is provided with a butt joint pipe piece two (34), and the adapter (4) and the gas pipe (33) and the gas pipe (33) and the butt joint pipe piece two (34) are provided with a gas guide pipe piece two (35).

10. The high-pressure quick release device of claim 9, wherein, The ventilation pipe (33) is provided with a fixing part (36) at both ends, and the air guide pipe part two (35) is fixedly connected with the ventilation pipe (33) through the fixing part (36), the adapter (4) and the counter-connection pipe part two (34) are provided with detachable positioning rods (37), and the adapter (4) and the counter-connection pipe part two (34) are fixedly connected with the air guide pipe part two (35) through the positioning rods (37).

Images