CN209762736U

CN209762736U - Gas pipeline leak detection alarm device with emergency cut-off function

Info

Publication number: CN209762736U
Application number: CN201920422831.6U
Authority: CN
Inventors: 陈吉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-31
Filing date: 2019-03-31
Publication date: 2019-12-10
Anticipated expiration: 2029-03-31

Abstract

The utility model discloses a gas pipeline leak detection alarm device with emergency cut-off, which belongs to the technical field of gas pipeline leak detection devices, and comprises an upper pipeline and a lower pipeline, wherein the upper pipeline is positioned at the upper side of the lower pipeline, the outer ends of the upper pipeline and the lower pipeline are all in threaded connection with flanges, the two flanges are fixedly connected through bolts, the outer ends of the upper pipeline and the lower pipeline are in threaded connection with an annular connecting piece which is positioned at the outer side of the flanges, a bulb is arranged at the top end in the annular connecting piece and positioned at the left side of the upper pipeline, the outer ends of the two flanges are in threaded connection with an annular cover, the left inner wall of the annular cover is chiseled with a vent hole, the outer end of the annular cover is provided with an annular air bag, one end of the annular air bag close to the vent hole is fixedly connected with a connecting pipe, reduce the occurrence of gas fire and explosion accidents in families and other places.

Description

Gas pipeline leak detection alarm device with emergency cut-off function

Technical Field

The utility model relates to a gas pipeline leak hunting device technical field, more specifically say, relate to a gas pipeline leak hunting alarm device with promptly cut off.

Background

For the beautiful life of people, the life and property safety of family members is the first factor, and the problem of family safety of residences and other places in daily life of people cannot be ignored. In common household safety accidents, particularly in gas leakage and fire explosion accidents, the damage is very large, great property loss and personal casualty accidents are often caused, and even the safety of other surrounding residents is involved.

When the existing daily gas pipeline is used and the exposed gas pipeline joint leaks, explosion hazards are easy to occur due to the fact that the existing daily gas pipeline cannot be timely detected by a user.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a gas pipeline leak hunting alarm device with promptly cut off, it can realize playing the effect of warning when the gas leaks, reduces the emergence of family and other places gas fire hazard explosion accidents.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A gas pipeline leakage detection alarm device with an emergency cut-off function comprises an upper pipeline and a lower pipeline, wherein the upper pipeline is positioned on the upper side of the lower pipeline, the outer ends of the upper pipeline and the lower pipeline are in threaded connection with flanges, the two flanges are fixedly connected through bolts, the outer ends of the upper pipeline and the lower pipeline are in threaded connection with an annular connecting piece, the annular connecting piece is positioned on the outer side of the flanges, a bulb is mounted at the inner top end of the annular connecting piece and positioned on the left side of the upper pipeline, the outer ends of the two flanges are in threaded connection with an annular cover, a vent hole is drilled in the left inner wall of the annular cover, an annular air bag is arranged at the outer end of the annular cover, a connecting pipe is fixedly connected to one end, close to the vent hole, of the annular air bag and communicated with the annular air bag, the, trigger switch and bulb electric connection can realize playing the effect of warning when the gas leaks, reduce the emergence of family and other places gas conflagration explosion accidents.

Further, the annular connecting piece includes upper junction plate and lower connecting plate, the upper junction plate is located the upside of lower connecting plate and contacts with lower connecting plate, lower connecting plate and lower pipeline threaded connection, upper junction plate and upper pipeline threaded connection, trigger switch and upper junction plate are connected, make things convenient for the operator to install and dismantle upper junction plate and lower connecting plate, and then conveniently install and dismantle the structure between annular connecting piece and the flange.

Furthermore, the diameter of the pipe orifice of the connecting pipe in the annular cover is larger than the aperture of the air outlet and contacts with the inner wall of the annular cover, so that when gas leaks and flows into the annular air bag from the flange, the leaked gas is not easy to overflow from the gap at the joint of the connecting pipe and the air outlet.

furthermore, the outer end of the annular cover is fixedly connected with four supporting blocks which are uniformly distributed, the supporting blocks are located on the lower side of the annular air bag and are in contact with the annular air bag, so that in the inflation and expansion process of the annular air bag, the supporting blocks can support the annular air bag, and the annular air bag is not prone to being sunk due to the action of gravity and being pulled apart from the connecting pipe.

Furthermore, four pull ropes which are uniformly distributed are fixedly connected between the annular air bag and the annular cover, so that the annular air bag can be uniformly expanded in the inflation and expansion process, and the annular air bag is more uniformly stressed.

Furthermore, the annular connecting piece is made of transparent materials, the light color of the bulb is red, and the annular air bag can be observed by workers in time when the annular air bag expands to touch the trigger switch to light the bulb.

3. advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) The scheme can realize the function of warning and reminding when gas leaks, and reduce the occurrence of gas fire explosion accidents in families and other places.

(2) The annular connecting piece comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is located on the upper side of the lower connecting plate and is in contact with the lower connecting plate, the lower connecting plate is in threaded connection with the lower pipeline, the upper connecting plate is in threaded connection with the upper pipeline, the trigger switch is connected with the upper connecting plate, an operator can conveniently install and detach the upper connecting plate and the lower connecting plate, and then the annular connecting piece and a structure between flanges can be conveniently installed and detached.

(3) The diameter of the pipe orifice of the connecting pipe in the annular cover is larger than the aperture of the air outlet and contacts with the inner wall of the annular cover, so that when gas leaks and flows into the annular air bag from the flange, the leaked gas is not easy to overflow from the gap at the joint of the connecting pipe and the air outlet.

(4) Annular cover outer end fixedly connected with four evenly distributed's supporting shoe, the supporting shoe is located annular gasbag's downside and contacts with annular gasbag for annular gasbag inflates the in-process that expands, and the supporting shoe can give the effect of a support of annular gasbag, makes annular gasbag be difficult for because of the action of gravity sinks and makes to tear between annular gasbag and the connecting pipe.

(5) Four evenly distributed pull ropes are fixedly connected between the annular air bag and the annular cover, so that the annular air bag can be uniformly expanded in the inflation and expansion process, and the annular air bag is more uniformly stressed.

(6) The annular connecting piece is transparent material, and bulb light colour is red, makes annular gasbag expand to touch trigger switch and light the bulb when, can in time be observed by the staff.

Drawings

Fig. 1 is a front schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of the annular connector portion of the present invention;

fig. 4 is a schematic top view of the annular cover and the annular bladder of the present invention.

the reference numbers in the figures illustrate:

1 upper pipeline, 2 bulbs, 3 annular connecting pieces, 31 upper connecting plates, 32 lower connecting plates, 4 lower pipelines, 5 flanges, 6 annular covers, 7 supporting blocks, 8 trigger switches, 9 annular air bags, 10 connecting pipes, 11 air outlet holes and 12 pull ropes.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, 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.

Example 1:

Referring to fig. 1, a gas pipeline leakage detection alarm device with emergency cut-off function comprises an upper pipeline 1 and a lower pipeline 4, wherein the upper pipeline 1 is located on the upper side of the lower pipeline 4, flanges 5 are in threaded connection with the outer ends of the upper pipeline 1 and the lower pipeline 4, the two flanges 5 are fixedly connected through bolts, annular connecting pieces 3 are in threaded connection with the outer ends of the upper pipeline 1 and the lower pipeline 4, and the annular connecting pieces 3 are located on the outer sides of the flanges 5.

Referring to fig. 3, the annular connector 3 includes an upper connecting plate 31 and a lower connecting plate 32, the upper connecting plate 31 is located on the upper side of the lower connecting plate 32 and contacts with the lower connecting plate 32, the lower connecting plate 32 is in threaded connection with the lower pipeline 4, the upper connecting plate 31 is in threaded connection with the upper pipeline 1, and the trigger switch 8 is connected with the upper connecting plate 31, so that an operator can conveniently install and detach the upper connecting plate 31 and the lower connecting plate 32, and further, the structure between the annular connector 3 and the flange 5 can be conveniently installed and detached.

Referring to fig. 1 and 2, a bulb 2 is mounted at the top end in an annular connecting piece 3, the bulb 2 is located on the left side of an upper pipeline 1, an annular cover 6 is in threaded connection with the outer ends of two flanges 5, an air outlet hole 11 is drilled in the left inner wall of the annular cover 6, an annular air bag 9 is arranged at the outer end of the annular cover 6, referring to fig. 4, four uniformly distributed pull ropes 12 are fixedly connected between the annular air bag 9 and the annular cover 6, so that the annular air bag 9 can be uniformly expanded in an inflation and expansion process, and the annular air bag 9 is more uniformly stressed, referring to fig. 2, one end of the annular air bag 9 close to the air outlet hole 11 is fixedly connected with a connecting pipe 10, the connecting pipe 10 is communicated with the annular air bag 9, the connecting pipe 10 is in threaded connection with the air outlet hole 11, the diameter of the pipe 10 in the annular cover 6 is larger than the diameter of the air outlet hole 11 and is, make the difficult gap of following connecting pipe 10 and venthole 11 junction of leaking the gas spill over, 6 outer ends fixedly connected with four evenly distributed's of annular cover supporting shoe 7, supporting shoe 7 is located the downside of annular gasbag 9 and contacts with annular gasbag 9, make annular gasbag 9 inflate the in-process that expands, supporting shoe 7 can give the effect of annular gasbag 9 one support, make annular gasbag 9 be difficult for making because of the action of gravity sinks to make and tear apart between annular gasbag 9 and the connecting pipe 10, trigger switch 8 is installed to 3 left inner walls of annular connecting piece, trigger switch 8 and bulb 2 electric connection, annular connecting piece 3 is transparent material, bulb 2 light colour is red, make annular gasbag 9 expand to when touching trigger switch 8 and light bulb 2, can in time be observed by the staff.

When the gas in the upper pipeline 1 and the lower pipeline 4 leaks from the joint between the two flanges 5, the leaked gas enters the annular cover 6 and enters the annular airbag 9 through the connecting pipe 10 in the annular cover 6, the annular airbag 9 gradually expands under the action of the gas, the bottom end of the annular airbag 9 slowly moves along the supporting block 7 in the expansion process, the supporting block 7 has a supporting function on the annular airbag 9, so that the annular airbag 9 is not easy to break at the joint between the annular airbag 9 and the connecting pipe 10 due to the increase of gravity, when the annular airbag 9 expands to contact the trigger switch 8, the trigger switch 8 is started to lighten the bulb 2 to remind nearby people of the leakage of the gas, the leaked gas is absorbed by the annular airbag 9 and is not easy to leak into the air in a short time, and the function of warning and reminding can be realized when the gas leaks, reduce the occurrence of gas fire and explosion accidents in families and other places.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a gas pipeline leak hunting alarm device with promptly cut off, includes pipeline (1) and pipeline (4) down, it is located the upside of pipeline (4) down to go up pipeline (1), it has flange (5), two to go up the equal threaded connection in pipeline (1) and pipeline (4) outer end down between flange (5) through bolt fixed connection, its characterized in that: the outer ends of the upper pipeline (1) and the lower pipeline (4) are connected with an annular connecting piece (3) in a threaded manner, the annular connecting piece (3) is positioned at the outer side of the flange (5), the top end in the annular connecting piece (3) is provided with a bulb (2), the bulb (2) is positioned at the left side of the upper pipeline (1), the outer ends of the two flanges (5) are in threaded connection with an annular cover (6), the left inner wall of the annular cover (6) is provided with an air outlet (11), the outer end of the annular cover (6) is provided with an annular air bag (9), one end of the annular air bag (9) close to the air outlet hole (11) is fixedly connected with a connecting pipe (10), the connecting pipe (10) is communicated with the annular air bag (9), the connecting pipe (10) is in threaded connection with the air outlet hole (11), trigger switch (8) are installed to annular connecting piece (3) left side inner wall, trigger switch (8) and bulb (2) electric connection.

2. A gas pipeline leak detection alarm device with emergency shut-off as claimed in claim 1, wherein: annular connecting piece (3) include upper junction plate (31) and lower connecting plate (32), upper junction plate (31) are located the upside of lower connecting plate (32) and contact with lower connecting plate (32), lower connecting plate (32) and pipeline (4) threaded connection down, upper junction plate (31) and last pipeline (1) threaded connection, trigger switch (8) are connected with upper junction plate (31).

3. A gas pipeline leak detection alarm device with emergency shut-off as claimed in claim 1, wherein: the diameter of the pipe orifice of the connecting pipe (10) in the annular cover (6) is larger than the aperture of the air outlet hole (11) and is in contact with the inner wall of the annular cover (6).

4. A gas pipeline leak detection alarm device with emergency shut-off as claimed in claim 1, wherein: the outer end of the annular cover (6) is fixedly connected with four uniformly distributed supporting blocks (7), and the supporting blocks (7) are located on the lower side of the annular air bag (9) and are in contact with the annular air bag (9).

5. a gas pipeline leak detection alarm device with emergency shut-off as claimed in claim 1, wherein: four pull ropes (12) which are uniformly distributed are fixedly connected between the annular air bag (9) and the annular cover (6).

6. a gas pipeline leak detection alarm device with emergency shut-off as claimed in claim 1, wherein: annular connecting piece (3) are transparent material, bulb (2) light colour is red.