Natural gas ball valve with leakage alarm function
Technical Field
The utility model relates to a ball valve technical field, more specifically say, relate to a natural gas ball valve with leak alarming function.
Background
The natural gas refers to all gases naturally existing in nature, including gases (including oil field gas, gas field gas, mud and volcanic gas, coal bed gas, biogenetic gas and the like) formed in various natural processes in an atmospheric ring, a water ring and a rock ring, and a ball valve is required to be installed on a pipeline to control the flow rate of gas transmission in the process of natural gas transmission.
At present, current ball valve does not possess and prevents leaking detection alarming function, can't carry out risk early warning or report to the police before revealing or explosion danger, can't handle the gas of revealing simultaneously, leads to the ball valve can not carry out safe handling.
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 natural gas ball valve with leak alarming function, it can realize collecting through the gasbag and reveal gas and expand, thereby extrudees the purpose that triggers the alarm to inductive switch, and the gas of revealing that not only can collect utilizes the alarm simultaneously can the very first time inform the staff to overhaul to the effectual life who improves the ball valve.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a natural gas ball valve with leak alarming function, is including rotating handle, valve rod, valve gap and valve body, both ends flange joint has first pipeline and second pipeline respectively about the valve body, first pipeline and second pipeline all overlap with valve body junction outer end and are equipped with the lantern ring, lantern ring upper end fixed mounting has the rectangle box, lantern ring upper end fixedly connected with connecting block, and the connecting block is located the rectangle box, seted up the inlet port in the middle of the connecting block, and the inlet port communicates with each other with the lantern ring, inlet port upper end fixed mounting has the gasbag, rectangle box upper end inner wall fixed mounting has inductive switch, the slide opening has all been seted up at both ends about the connecting block, and slide opening and inlet port are linked together, sliding connection has the slide in the slide opening, the equal fixedly connected with semi-balloon bag of both ends inner wall about the rectangle box, semi-balloon bag lower extreme fixedly connected with gas-supply pipe, the gas-supply pipe is close to slide one end and installs the soft bag, can realize revealing gas through the gasbag collection and expand, thereby extrudees the purpose that triggers the alarm to the alarm, the gas that not only can collect, and utilize the alarm can utilize the staff to overhaul the very first time simultaneously to the effectual life who improves the ball valve.
Further, rectangle box upper end fixedly connected with alarm, and the alarm passes through wire and inductive switch electric connection, utilizes gasbag inflation extrusion inductive switch to touch the alarm, inform the staff to overhaul.
Furthermore, a pair of sliding plates are close to one end and are provided with magnetic blocks, and the magnetic force of the pair of magnetic blocks is utilized for mutual adsorption, so that the sealing effect of the pair of sliding plates on the air bag is better, and the air in the air bag is prevented from leaking.
Further, the rectangular channel has been seted up to the slide opening inner wall, sliding connection has spacing slider in the rectangular channel, and spacing slider and slide fixed connection, install the spring in the rectangular channel, slide to the slide through spacing slider carries on spacingly to utilize the spring's spring action to make spacing slider can reset, can effectually prevent that the slide from droing.
Further, the gasbag all is the hemisphere with hemisphere bag surface, and the surface is closely laminated, expands through gas in the gasbag to half sacculus that can be better extrudees, makes its effect better.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) This scheme can realize collecting through the gasbag and reveal gaseous inflation, thereby extrudeing the purpose that triggers the alarm to inductive switch, the gas of revealing that not only can collect utilizes the alarm to inform the staff the very first time to overhaul simultaneously to the effectual life who improves the ball valve.
(2) This scheme is through rectangle box upper end fixedly connected with alarm, and the alarm passes through wire and inductive switch electric connection, utilizes gasbag inflation extrusion inductive switch to touch the alarm, inform the staff to overhaul.
(3) The magnetic path is all installed to this scheme through a pair of slide one end of being close to each other, utilizes the magnetic force of a pair of magnetic path to adsorb each other to make the leakproofness effect of a pair of slide to the gasbag better, prevent that gas in the gasbag from leaking.
(4) The rectangular channel has been seted up through the slide opening inner wall to this scheme, and sliding connection has spacing slider in the rectangular channel, and spacing slider and slide fixed connection, installs the spring in the rectangular channel, carries on spacingly through spacing slider to the slip of slide to utilize the spring's spring action to make spacing slider can reset, can effectually prevent that the slide from droing.
(5) This scheme is passed through the gasbag and is all the hemisphere with the hemisphere bag surface, and the surface closely laminates, expands through gaseous in the gasbag to half sacculus that can be better extrudees, makes its effect better.
Drawings
FIG. 1 is a schematic sectional front view of the ball valve of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of the rectangular box of the present invention.
The reference numbers in the figures illustrate:
1. rotating the handle; 2. a valve stem; 3. a valve cover; 4. a valve body; 5. a first conduit; 6. a second conduit; 7. a collar; 8. a rectangular box; 9. an air bag; 10. an inductive switch; 11. a half balloon; 12. an alarm; 13. a gas delivery pipe; 14. a soft bag; 15. a slide plate; 16. a magnetic block; 17. a spring; 18. a limiting slide block; 19. and (4) connecting the blocks.
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 making creative efforts based on the embodiments of the present invention belong to the protection scope 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:
please refer to fig. 1-3, a natural gas ball valve with leakage alarm function, including rotating handle 1, valve rod 2, valve gap 3 and valve body 4, both ends flange connection has first pipeline 5 and second pipeline 6 respectively about valve body 4, first pipeline 5 and second pipeline 6 all overlap with valve body 4 junction outer end and are equipped with lantern ring 7, lantern ring 7 upper end fixed mounting has rectangle box 8, lantern ring 7 upper end fixed connection has connecting block 19, and connecting block 19 is located rectangle box 8, the middle inlet port that has seted up of connecting block 19, and the inlet port communicates with each other with lantern ring 7, inlet port upper end fixed mounting has gasbag 9, rectangle box 8 upper end inner wall fixed mounting has inductive switch 10, both ends have all seted up the slide opening about connecting block 19, and the slide opening is linked with the inlet port, sliding connection has slide 15 in the slide opening, rectangle box 8 left and right sides inner wall all fixed connection has half sacculus 11, half sacculus 11 lower extreme fixed connection has gas-supply pipe 13, gas-supply pipe 13 is close to slide 15 one end installs gasbag 14, collect through the gasbag and reveal gas and expand, thereby extrude induction switch and trigger the purpose of alarm, not only can collect the gas that reveals that the alarm can the very first time, the very first time of service life of service personnel's notice ball valve, thereby the effectual service life has been informed.
Referring to fig. 1, an alarm 12 is fixedly connected to the upper end of the rectangular box 8, the alarm 12 is electrically connected to the inductive switch 10 through a wire, and the air bag 9 is expanded to press the inductive switch 10, so that the alarm 12 is triggered to notify a worker of maintenance.
Referring to fig. 2, the magnetic blocks 16 are mounted at the ends of the pair of sliding plates 15 close to each other, and the magnetic force of the pair of magnetic blocks 16 is used for attracting each other, so that the sealing effect of the pair of sliding plates 15 on the air bag 9 is better, and the air in the air bag 9 is prevented from leaking.
Referring to fig. 2, a rectangular groove is formed in the inner wall of the sliding hole, a limiting slider 18 is slidably connected in the rectangular groove, the limiting slider 18 is fixedly connected with the sliding plate 15, a spring 17 is installed in the rectangular groove, the sliding of the sliding plate 15 is limited by the limiting slider 18, the limiting slider 18 can be reset by the elastic force of the spring 17, and the sliding plate 15 can be effectively prevented from falling off
Referring to fig. 3, the surfaces of the air bag 9 and the half-balloon 11 are both hemispherical and closely attached, and the half-balloon 11 can be better squeezed by expanding the gas in the air bag 9, so that the effect is better.
The working principle is as follows: collect gas through gasbag 9, when the gas in the gasbag 9 reachs the certain degree, gas can expand extrusion inductive switch 10, thereby touch alarm 12 and send out the police dispatch newspaper, and inform the staff to overhaul, take place the inflation when gasbag 9, can extrude half sacculus 11 simultaneously, let half sacculus 11 interior gas pass through gas-supply pipe 13 and convey to soft bag 14, utilize soft bag 14 to expand and extrude the slip to slide 15, let a pair of magnetic path 16 mutual adsorption, thereby make a pair of slide 15 better to gasbag 9's leakproofness effect, make the staff when overhauing, prevent that gas from leaking in the gasbag 9, cause the injury to the staff, collect through gasbag 9 and reveal gas and expand, thereby extrude inductive switch 10 and trigger alarm 12's purpose, not only the gas of revealing that can collect, utilize alarm 1 can inform the staff in the very first time to overhaul simultaneously, thereby the effectual life who improves the ball valve.
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.