CN210739614U

CN210739614U - External thread joint for gas storage steel cylinder of inert gas fire extinguishing system

Info

Publication number: CN210739614U
Application number: CN201921641461.1U
Authority: CN
Inventors: 云虹; 张昱; 商木松
Original assignee: Isafe Fire Equipment Tianjin Co ltd
Current assignee: Isafe Fire Equipment Tianjin Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-12
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an external screwed joint for inert gas fire extinguishing systems gas storage steel bottle, including the gas bomb, the spiral pipe is installed down to gas bomb upper end middle part spiral, spiral pipe upper portion alternates and is connected with swivelling joint dish and hexagon nut down, and hexagon nut is located the swivelling joint dish upper end, the hexagon nut middle part alternates and is connected with the spiral pipe, it has cup jointed leak protection device to go up spiral pipe upper end middle part, it has connecting sleeve to go up spiral pipe upper portion spiral installation, swivelling joint dish middle part surface joint has reinforcing apparatus, and the reinforcing apparatus lower part cup joints at gas bomb upper portion surface. A external thread joint for inert gas fire extinguishing systems gas storage steel bottle, the whole external thread joint who is used for inert gas fire extinguishing systems gas storage steel bottle is simple in structure, connect conveniently, through plus another kind of reinforcement mode and set up leak protection device can prevent effectively that a large amount of inert gases from flowing away in the air, the security improves.

Description

External thread joint for gas storage steel cylinder of inert gas fire extinguishing system

Technical Field

The utility model relates to a steel bottle equipment field of putting out a fire, in particular to external screwed joint who is used for inert gas fire extinguishing systems gas storage steel bottle.

Background

Conventional inert gas mixture fire extinguishing systems is by the gas storage steel bottle, the container valve, the pressure manifold, the selector valve, the pressure reduction orifice plate, the pipeline, the shower nozzle etc. is constituteed, can there be screwed joint to be used for external equipment carrier gas at gas storage steel bottle and pipe connection department, current screwed joint, most of all are connected with single spiral mode, stability is not high, it is easy not hard up, and also gas leakage can take place in gas storage steel bottle joint department, can't accomplish the gas separation in time, cause a large amount of inert gas to flow away, the resource is wasted, harm life, therefore, we provide a neotype screwed joint who is used for inert gas fire extinguishing systems gas storage steel bottle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an external screwed joint for inert gas fire extinguishing systems gas storage steel bottle, can effectively solve the problem in the background art.

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

the utility model provides an external thread connector for inert gas fire extinguishing systems gas storage steel bottle, includes the gas bomb, its characterized in that: spiral pipe under the spiral installation of gas bomb upper end middle part, spiral pipe upper portion alternates and is connected with swivelling joint dish and hexagon nut down, and hexagon nut is located the swivelling joint dish upper end, the hexagon nut middle part alternates and is connected with the spiral pipe, upward spiral pipe upper end middle part has cup jointed leak protection device, upward spiral pipe upper portion spiral installs connecting tube, swivelling joint dish middle part surface joint has reinforcing apparatus, and the reinforcing apparatus lower part cup joints at gas bomb upper portion surface.

Preferably, the leak protection device includes gas-supply pipe, leak protection round platform and screens ring, gas-supply pipe lower part surface evenly opens has a plurality of air intakes to wear the groove, the leak protection round platform is punch-through structure about the radius platform and upper end middle part open and have the leak protection groove, leak protection groove upper end fixed connection is at the gas-supply pipe lower extreme, the screens ring has been cup jointed on the gas-supply pipe, the leak protection device passes through the gas-supply pipe and alternates in last spiral pipe upper end middle part.

Preferably, the size of the leakage-proof groove is slightly larger than that of the lower spiral pipe, and the sizes of the spiral pipes on the clamping ring are the same.

Preferably, the connecting sleeve comprises a main sleeve and a connecting pipe, the upper end of the main sleeve is slightly smaller than the lower end of the main sleeve, the lower part of the connecting pipe is slightly larger than the upper part of the main sleeve, the lower part of the connecting pipe is sleeved on the upper part of the main sleeve, the upper part of the leak-proof device is sleeved on the upper part of the main sleeve and is positioned at the lower end of the connecting pipe, and the main sleeve is in threaded connection with the upper part.

Preferably, the reinforcing device comprises an upper ferrule, an outer sleeve soft ring, an inner sleeve soft ring, small bolts and soft connecting ropes, the front end of the outer surface of the upper ferrule is fixedly connected with five soft connecting ropes, the five soft connecting ropes are inserted between the outer sleeve soft ring and the inner sleeve soft ring, the rear ends of the outer sleeve soft ring and the inner sleeve soft ring are movably connected together through three small bolts, the upper ferrule is sleeved in the middle of the rotary connecting disc, and the inner sleeve soft ring is sleeved on the outer surface of the upper portion of the gas storage bottle.

Preferably, the length of the main sleeve is greater than that of the upper spiral pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the leakage-proof device is matched with the connecting sleeve for use, when inert gas leaks, the main sleeve is unscrewed, the gas impact force is utilized to push the leakage-proof round platform to seal the lower spiral pipe in the leakage-proof groove, the inert gas is effectively prevented from flowing away, and resources are saved;

2. set up reinforcing apparatus, increase the connected mode between external thread joint and the gas storage steel bottle, prevent that threaded connection is not hard up to cause a large amount of inert gas to leak and the polluted environment, further improve the feature of environmental protection.

Drawings

FIG. 1 is a schematic view of the overall structure of the male connector of the gas storage cylinder of the inert gas fire extinguishing system of the present invention;

FIG. 2 is a schematic view of the overall structure of the anti-leaking device for the male connector of the gas storage cylinder of the inert gas fire extinguishing system of the present invention;

FIG. 3 is a cross-sectional view of the connection sleeve of the male connector for the gas storage cylinder of the inert gas fire extinguishing system of the present invention;

fig. 4 is a schematic connection diagram of the reinforcing apparatus for the external thread joint of the gas storage steel cylinder of the inert gas fire extinguishing system of the present invention.

In the figure: 1. a gas cylinder; 2. a lower spiral pipe; 3. rotating the connecting disc; 4. a hexagonal nut; 5. an upper spiral pipe; 6. a leakage prevention means; 7. connecting a sleeve; 8. a reinforcement device; 61. a gas delivery pipe; 62. a leak-proof circular truncated cone; 63. a position clamping ring; 611. air inlet through the groove; 621. a leakage-proof groove; 71. a main bushing; 72. a connecting pipe; 81. an upper ferrule; 82. a soft ring is sleeved outside; 83. an inner sleeve soft ring; 84. a small bolt; 85. a flexible connecting rope.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the function are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an external screw connector for a gas storage cylinder of an inert gas fire extinguishing system comprises a gas storage cylinder 1, and is characterized in that: spiral pipe 2 under 1 upper end middle part spiral installation of gas bomb, 2 upper portions of spiral pipe alternate and are connected with swivelling joint dish 3 and hexagon nut 4 down, and hexagon nut 4 is located swivelling joint dish 3 upper ends, 4 middle parts of hexagon nut alternate and are connected with spiral pipe 5, upward 5 upper ends of spiral pipe middle parts have cup jointed leak protection device 6, upward 5 upper portion spirals of spiral pipe

install connecting sleeve

7, 3 middle part surface joints of swivelling joint dish have reinforcing

apparatus

8, and 8 lower parts of reinforcing apparatus cup joint at 1 upper portion surface of gas bomb.

The anti-leakage device 6 comprises a gas pipe 61, an anti-leakage round platform 62 and a clamping ring 63, a plurality of gas inlet penetrating grooves 611 are uniformly formed in the outer surface of the lower portion of the gas pipe 61, the anti-leakage round platform 62 is of an inverted round platform upper-lower penetrating structure, a leakage-proof groove 621 is formed in the middle of the upper end of the anti-leakage groove 621, the upper end of the leakage-proof groove 621 is fixedly connected to the lower end of the gas pipe 61, an air-tight cushion is arranged at the upper end of the anti-leakage groove, the clamping ring 63 is sleeved at the upper end of the gas pipe 61, the clamping ring 63 is located at the upper; the size of the anti-leakage groove 621 is slightly larger than that of the lower spiral pipe 2, so that the lower spiral pipe 2 is conveniently clamped in the anti-leakage groove 621, the space inside the lower spiral pipe 2 and the space outside the gas conveying pipe 61 are sealed, and the sizes of the spiral pipes 5 on the clamping ring 63 are the same; the connecting sleeve 7 comprises a main sleeve 71 and a connecting pipe 72, a through hole at the upper end of the main sleeve 71 is slightly smaller than the size of a through hole at the lower end, the size of the lower part of the connecting pipe 72 is slightly larger than the size of the upper part, the lower part of the connecting pipe 72 is sleeved on the upper part of the main sleeve 71, the upper part of the anti-leakage device 6 is sleeved on the upper part of the main sleeve 71 and is positioned at the lower end of the connecting pipe 72; the reinforcing device 8 comprises an upper ferrule 81, an outer soft ring 82, an inner soft ring 83, small bolts 84 and soft connecting ropes 85, the front end of the outer surface of the upper ferrule 81 is fixedly connected with five soft connecting ropes 85, the five soft connecting ropes 85 are inserted between the outer soft ring 82 and the inner soft ring 83, the rear ends of the outer soft ring 82 and the inner soft ring 83 are movably connected together through three small bolts 84, the upper ferrule 81 is sleeved in the middle of the rotary connecting disc 3, and the inner soft ring 83 is sleeved on the outer surface of the upper part of the gas storage bottle 1; the length of the main sleeve 71 is larger than that of the upper spiral pipe 5, so that the air conveying pipe 61 is adjusted to the upper end of the upper spiral pipe 5 to the maximum extent, and the sealing between the anti-leakage circular truncated cone 62 and the lower spiral pipe 2 is realized.

It should be noted that the utility model relates to an external thread joint for gas storage cylinder of inert gas fire extinguishing system, firstly, the joint is required to be installed, when in installation, the lower spiral tube 2 is screwed by a wrench to the upper end of the gas storage cylinder 1 by a hexagonal nut 4, at this time, a soft connecting rope 85 in a reinforcing device 8 is inserted between an outer soft ring 82 and an inner soft ring 83 and straightened, three small bolts 84 are used to pull and fix the outer soft ring 82 and the inner soft ring 83 together, the outer surface of the gas storage cylinder 1 and the inner soft ring 83 form friction force to reinforce the connection between the lower spiral tube 2 and the gas storage cylinder 1 and prevent falling, then the gas pipe 61 in a leakage preventing device 6 is inserted in the upper spiral tube 5, the upper end of the upper spiral tube 5 is blocked by a blocking ring 63 and a connecting pipe 72 in a main sleeve 71, at this time, a gas inlet penetrating groove 611 at the lower part of the gas pipe 61 is contacted with the gas in the cylinder, inert gas passes through the air inlet and wears groove 611 to flow scattered in gas-supply pipe 61, when inert gas leakage appears, loosen the main sleeve pipe 71 of threaded connection on last spiral pipe 5 soon, pull out on the connecting pipe 72, utilize inert gas's impulsive force to strike leak protection round platform 62, make 2 joints of spiral pipe in leak protection groove 621 down, wear groove 611 to seal the air inlet and in spiral pipe 2 down, prevent that gas from scattering in the gas-supply pipe 61, effectively prevent a large amount of inert gas from running off, cause air pollution, whole external screw joint simple structure, it is convenient to connect, through increasing the reinforcement mode with set up leak protection device can effectively prevent a large amount of inert gas from flowing scattered in the air, the security improves.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an external thread connector for inert gas fire extinguishing systems gas storage steel bottle, includes gas bomb (1), its characterized in that: spiral pipe (2) down are installed to gas bomb (1) upper end middle part spiral, spiral pipe (2) upper portion interlude is connected with swivelling joint dish (3) and hexagon nut (4) down, and hexagon nut (4) are located swivelling joint dish (3) upper end, hexagon nut (4) middle part interlude is connected with spiral pipe (5), leak protection device (6) have been cup jointed at last spiral pipe (5) upper end middle part, go up spiral pipe (5) upper portion spiral and install connecting sleeve (7), swivelling joint dish (3) middle part surface joint has reinforcing apparatus (8), and reinforcing apparatus (8) lower part cup joints at gas bomb (1) upper portion surface.

2. The male connector of claim 1, wherein the male connector comprises a male connector body and a female connector body, and the male connector body comprises: leak protection device (6) are including gas-supply pipe (61), leak protection round platform (62) and screens ring (63), gas-supply pipe (61) lower part surface is evenly opened has a plurality of business turn over groove (611) of admitting air, leak protection round platform (62) are round platform upper and lower feed through structure and upper end middle part and open and have leak protection groove (621), leak protection groove (621) upper end fixed connection is at gas-supply pipe (61) lower extreme, screens ring (63) has been cup jointed on gas-supply pipe (61), leak protection device (6) are through gas-supply pipe (61) interlude in last spiral pipe (5) upper end middle part.

3. The male connector of claim 2, wherein the male connector comprises a male connector body and a female connector body, and the male connector body comprises: the size of the leakage-proof groove (621) is slightly larger than that of the lower spiral pipe (2), and the sizes of the spiral pipes (5) on the clamping ring (63) are the same.

4. The male connector of claim 1, wherein the male connector comprises a male connector body and a female connector body, and the male connector body comprises: connecting tube (7) include main sleeve pipe (71) and connecting pipe (72), the perforation of main sleeve pipe (71) upper end slightly is lighter than the perforation size of lower extreme, connecting pipe (72) lower part size slightly is greater than the upper portion size, and connecting pipe (72) lower part cup joints on main sleeve pipe (71) upper portion, leak protection device (6) upper portion cup joints on main sleeve pipe (71) upper portion and is located connecting pipe (72) lower extreme, main sleeve pipe (71) threaded connection is on last spiral pipe (5) upper portion.

5. The male connector of claim 1, wherein the male connector comprises a male connector body and a female connector body, and the male connector body comprises: the reinforcing device (8) comprises an upper ferrule (81), an outer sleeve soft ring (82), an inner sleeve soft ring (83), small bolts (84) and soft connecting ropes (85), wherein the front end of the outer surface of the upper ferrule (81) is fixedly connected with five soft connecting ropes (85), the five soft connecting ropes (85) are inserted between the outer sleeve soft ring (82) and the inner sleeve soft ring (83), the rear ends of the outer sleeve soft ring (82) and the inner sleeve soft ring (83) are movably connected together through three small bolts (84), the upper ferrule (81) is sleeved at the middle part of the rotary connecting disc (3), and the inner sleeve soft ring (83) is sleeved on the outer surface of the upper part of the gas storage bottle (1).

6. The male connector of claim 4, wherein the male connector comprises a male connector body and a female connector body, and the male connector body comprises: the length of the main sleeve (71) is greater than that of the upper spiral pipe (5).