CN210319410U - Stainless steel corrugated pipe pipeline system for indoor gas - Google Patents

Abstract

The utility model discloses an indoor stainless steel bellows pipeline system for gas belongs to the gas pipeline field. The utility model discloses a pipe, main valve and the gas control box of registering one's residence are gone into to the gas that connects gradually, and the gas control box is through wired or wireless mode and data platform server signal connection, data platform server and processing terminal signal connection, is connected to the family's pipeline that needs use the gas through the connecting valve after the gas control box is connected with the gas table, all links to each other through the bellows between gas control box and the gas table, between the gas table and the family's pipeline that needs use the gas. The utility model overcomes not enough of indoor gas pipeline security and convenience among the prior art, through the configuration optimization to gas valve door, can use the valve to carry out self-checking in advance to gas pipeline, further ensure gas piping system's security, and the convenience in utilization promotes to some extent.

Description

Stainless steel corrugated pipe pipeline system for indoor gas

Technical Field

The utility model relates to a gas pipeline technical field, more specifically say, relate to indoor stainless steel bellows pipe-line system for gas.

Background

According to the investigation and analysis of national indoor gas safety accidents in 2014 by scholars such as fur scholars, about 70% of accidents are related to a front connecting pipe of a gas appliance of a user, and about 30% of accidents are related to other pipelines, valves, meters and gas appliances for conveying indoor gas. Indoor gas pipeline systems, especially gas appliance connecting pipelines and gas conveying pipelines, have become serious disaster areas of accidents. A powerful indoor gas safety intelligent pipeline system is constructed, and an accurate and reliable gas pipeline leakage detection method is provided. The leakage detection technology of the gas pipeline develops a plurality of detection methods after decades of development, a household gas alarm is often arranged in an indoor gas system, and the principle of air sampling detection is adopted, so that the concentration of indoor gas can be detected in real time, and timely alarm is realized.

Mainstream products in the market at present include semiconductor sensor and catalysis gas sensor, and the life-span of catalysis sensor is shorter, can become invalid within 1 ~ 2 years, and although semiconductor sensor life-span is longer, accurate effective detection time is difficult to handle accuse, and it is lower to detect the precision, and stability is relatively poor. The existing indoor gas leakage detection technology based on the air sampling principle cannot completely and reliably realize monitoring and alarming of an indoor gas pipeline system. How to improve the safety and convenience of the stainless steel corrugated pipe pipeline system for indoor gas is always a goal pursued in the industry.

Through retrieval, a great number of patents have been published on the technical research of the gas pipeline, such as Chinese patent application numbers: 2018109813689, the name of invention creation is: the application discloses a gas pipeline leakage positioning and detecting system, which comprises a gas sensor, wherein the gas sensor is connected with a controller, and the controller is connected with a positioning module, a gas meter, a wireless transmitter and an analysis module; the gas meter is used for detecting the flow of the pipeline passing through each household; the gas sensor is used for detecting the concentration of gas outside the pipeline; the controller sends information detected by the gas meter and the gas sensor to the analysis module and the database through the controller, the analysis module is used for analyzing the information detected by the gas meter and the gas sensor, if the information is abnormal, the information is sent to the controller, and the controller sends the information to the terminal through the wireless transmitter. This application can directly send the position that appears unusually for the terminal, and the effectual control of being more convenient for prevents the emergence of accident.

Also as in chinese patent application No.: 2017112817322, the name of invention creation is: the application discloses a system and a method for detecting and positioning leakage of a gas pipeline. The method can detect the leakage condition of the gas pipeline in time so as to replace/maintain the gas pipeline in time, and can prevent the gas pipeline from directly overflowing to the indoor space when leaking through the matching of the airtight shell, thereby avoiding contacting with a fire source.

The applications relate to the research on the safety of the gas pipeline system, but the research direction of richer diversity is still needed in the industry, and the practical use performance of the gas pipeline system still has a great space for improvement.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome among the prior art not enough of indoor gas pipeline security and convenience, provide indoor stainless steel bellows pipe-line system for gas, through to the structural optimization of gas valve door, can use the valve to carry out self-checking in advance to the gas pipeline, further ensure gas pipe-line system's security, and the convenience of use promotes to some extent.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an indoor stainless steel bellows pipe-line system for gas, including the gas pipe of going into house, the main valve of going into house and the gas control box that connects gradually, the gas control box is through wired or wireless mode and data platform server signal connection, data platform server and processing terminal signal connection, is connected to the family's pipeline that needs use the gas through the connecting valve after the gas control box is connected with the gas table, between gas control box and the gas table, all link to each other through the bellows between the gas table and the family's pipeline that needs use the gas.

Furthermore, the corrugated pipe is coated with a sensing optical fiber film.

Furthermore, the gas control box comprises a control valve and a circuit board which are integrated into a whole, the control valve comprises a valve body, a main flow cavity for gas to flow is arranged in the valve body, a sealing interface and a detection interface which are respectively communicated with the main flow cavity are also arranged on the valve body, and the sealing interface can be opened or closed to realize the on-off of the valve; the detection interface is provided with a detection interface cover, the inner side of the detection interface cover facing the main circulation cavity is provided with a pressure sensor and a flow sensor, a circuit board is arranged above the outer side of the detection interface cover, and the circuit board is provided with a vibration acquisition terminal, the pressure sensor, a CPU (central processing unit) processor, a wireless network module and a wired network module; the pressure sensor and the flow sensor on the inner side of the detection interface cover, the vibration acquisition terminal and the pressure sensor on the circuit board are respectively connected with the CPU, and the CPU is connected with the data platform server through a wireless network module or a wired network module.

Furthermore, a rubber ring static seal is arranged between the detection interface cover and the detection interface, the flat cable of the inner side pressure sensor and the flat cable of the flow sensor penetrate through the detection interface cover to be connected with the circuit board above the detection interface cover, and epoxy resin is filled between the flat cable and the detection interface cover for integral sealing.

Furthermore, an inner sealing cylinder is arranged in a sealing interface of the valve body, a gap between the inner sealing cylinder and a main flow cavity at the front end of the valve body is an outer flow cavity, an inner flow cavity is arranged in the inner sealing cylinder and is communicated with the main flow cavity at the rear end of the valve body, and when the control valve is in an opening state, fuel gas is conveyed to the main flow cavity at the rear end through the main flow cavity at the front end, the outer flow cavity and the inner flow cavity in sequence; a double-cavity sealing ring is arranged above the inner sealing barrel, is connected with the power assembly and is driven by the power assembly to run up and down to enable the double-cavity sealing ring to be compressed or separated from the inner sealing barrel, and the disconnection or connection state of the inner circulation cavity and the outer circulation cavity is controlled to realize the on-off state of the control valve.

Furthermore, the power assembly comprises a driving shaft driven by power to rotate, an end cover is arranged above the sealing interface of the valve body, a transmission rod matched with the driving shaft is arranged in the end cover, the driving shaft rotates to drive the transmission rod to move up and down, a double-cavity sealing ring is arranged at the lower part of the transmission rod, and the double-cavity sealing ring is opposite to the top opening of the inner sealing cylinder; the part of the transmission rod, which is positioned on the inner side of the end cover, is also sleeved with a tower-shaped sealing ring, and two ends of the tower-shaped sealing ring are respectively clamped on the outer side of the transmission rod through a hoop.

Furthermore, an auxiliary cylinder is further arranged between the upper portion of the transmission rod and the end cover, the auxiliary cylinder is sleeved outside the transmission rod, an upper clamping section and a lower clamping section are respectively arranged outside the auxiliary cylinder, and the clamp clamps the upper end of the tower-shaped sealing ring in a gap between the upper clamping section and the lower clamping section.

Furthermore, the double-cavity sealing ring comprises an inner ring body used for tightly pressing the closed inner circulation cavity, an outer ring body with an inverted U-shaped section is arranged on the outer side of the inner ring body in an upward and circumferential surrounding manner, an outward extension section is further arranged on the outer edge of the outer ring body, the extension section is embedded into the inner side of the end cover, a circle of lower convex section is arranged at the bottom of the extension section, and the lower convex section is embedded into the valve body below; the inner ring body is internally provided with a support ring in a surrounding way along the circumferential direction, the transmission rod is embedded with an upper pressing sheet below the tower-shaped sealing ring, the upper pressing sheet is tightly pressed above the support ring, and the bottom of the transmission rod is also provided with a lower leaning sheet leaning against the lower part of the inner ring body.

Furthermore, a sealing interface cover is arranged at the upper end of the inner sealing barrel, a sealing ring is arranged between the sealing interface cover and the side wall of the inner sealing barrel, the side wall of an inner cavity of the sealing interface cover is flush with the side wall of the inner circulation cavity of the inner sealing barrel, a top convex section is arranged on the top plane of the sealing interface cover, the inner wall of the top convex section is flush with the side wall of the inner circulation cavity, and the top of the top convex section is an upward convex smooth cambered surface.

Furthermore, the both ends of valve body normal running fit respectively are provided with rotary joint, and rotary joint stretches into and is provided with the inner sealing ring between the tip of valve body and the valve body, and rotary joint stretches into and has offered the outer caulking groove of round along circumference on the lateral wall of valve body, and the inner wall of valve body corresponds position department and is provided with the inner caulking groove, and the cooperation has the C shape snap ring between inner caulking groove and the outer caulking groove.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses an indoor stainless steel bellows pipe-line system for gas, be provided with the gas control box, this gas control box is through wired or wireless mode and data platform server signal connection, be equipped with the pressure sensor who detects the gas pipeline in the gas control box, vibration sensor and flow sensor, can carry out comprehensive collection and signal transmission to the pressure signal of gas pipeline, vibration signal and flow signal, according to pressure, the vibration, whether the flow condition is synthesized and is judged the pipeline leak state, if have unusual initiative cut-off valve immediately, it has obvious improvement to detect the security. Pressure, vibration, flow can real-time gas tightness synthesize, effectively solve the leak in the use and be difficult to detect and detect inaccurate problem, all-round assurance gas safety.

(2) The utility model discloses an indoor stainless steel bellows pipe-line system for gas detects the interface lid and detects and be provided with the static seal of rubber circle between the interface, and inboard pressure sensor passes with flow sensor's winding displacement and detects the interface lid and be connected with the circuit board of top, and the winding displacement with detect and irritate epoxy whole sealing between the interface lid, fully guarantee to detect the pipeline gas tightness of kneck, prevent that inside gas from leaking.

(3) The utility model discloses an indoor stainless steel bellows pipe-line system for gas, two-chamber sealing washer include inner circle body and outer circle body, and the extension section of outer circle body outward flange is embedded into the end cover inboard, and the outer circle body is actually gone out the circulation chamber and has been carried out effective fully sealed, cooperatees with the inner circle body and will flow out the circulation chamber and cover completely, carries out double sealing to the pipeline, effectively prevents that the gas from leaking.

(4) The utility model discloses an indoor stainless steel bellows pipe-line system for gas is provided with the protruding section in top on the top plane of sealed interface lid, and the protruding section top in top is the convex smooth cambered surface that makes progress, sets up the protruding section in top and reduces the area of contact with the inner circle body under the circumstances of guaranteeing the leakproofness, and can avoid further improving sealing performance because of remaining influence leakproofness such as some dust foreign matters on the protruding section in top, prevents that the gas from leaking.

Drawings

Fig. 1 is a schematic structural diagram of an indoor gas stainless steel corrugated pipe pipeline system of the present invention;

FIG. 2 is a schematic structural view of the gas control box of the present invention;

FIG. 3 is a schematic view of the lower structure of the middle valve body of the present invention;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of a portion of the structure at A in FIG. 4;

FIG. 6 is a schematic front view of the structure of FIG. 5;

FIG. 7 is a schematic view of the internal structure of the gas control box of the present invention;

fig. 8 is a schematic structural view of the middle tower-shaped sealing ring of the present invention;

fig. 9 is a schematic structural view of the power assembly of the present invention;

fig. 10 is a schematic structural diagram of the manual assembly of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a gas service pipe; 2. a main valve for house entry; 3. a gas control box; 4. a data platform server; 5. a processing terminal; 6. a gas meter; 7. a connecting valve; 8. a gas range; 9. a water heater; 10. a bellows;

100. a valve body; 101. a main flow-through chamber; 102. an outer flow-through cavity; 103. an inner sealing cylinder; 104. an inner flow-through cavity; 105. an outer housing; 106. an end cap cover; 107. an embedded groove is formed; 110. sealing the access cover; 111. a top convex section; 112. a seal ring; 120. detecting the access cover; 130. a rotary joint; 131. an inner seal ring; 132. an external caulking groove; 133. a C-shaped snap ring;

200. a circuit board; 201. a wireless network module; 202. a CPU processor; 203. a wired network module; 204. a vibration acquisition terminal;

300. a power assembly; 301. a drive shaft; 302. a transmission rod; 303. a tower-shaped sealing ring; 304. clamping a hoop; 305. pressing the mixture into tablets; 306. a lower back sheet; 307. a bottom rest sheet; 310. an auxiliary cylinder; 311. a card loading section; 312. a lower clamping section;

400. a double-cavity sealing ring; 410. an inner ring body; 420. an outer ring body; 421. a lower convex section; 422. an inner convex section; 430. a support ring;

500. a manual assembly; 510. an inner drive shaft; 520. a handle.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 10, the stainless steel bellows pipeline system for indoor gas in the embodiment includes a gas service pipe 1, a service main valve 2, and a gas control box 3, which are connected in sequence, the gas control box 3 is in signal connection with a data platform server 4 in a wired or wireless manner, the data platform server 4 is in signal connection with a processing terminal 5, and the gas control box 3 is connected with a gas meter 6 and then connected to a household pipeline requiring gas use through a connecting valve 7, for example, the gas control box can be connected to a gas stove 8, a water heater 9, and the like for gas use; the gas control box 3 is connected with the gas meter 6, and the gas meter 6 is connected with a household pipeline needing gas through corrugated pipes 10. In this embodiment, the corrugated tube 10 is coated with a sensing optical fiber film, and a vibration sensor is further disposed outside the corrugated tube 10; processing terminal 5 can adopt cell-phone APP to be connected with data platform server 4 and carry out data processing, and 3 specific accessible wifi of gas control box are connected with domestic router and are inserted the outer net or are connected with data platform server 4 with 4G internet access, and the signal data that will gather are all counted into the database to judge whether the pipeline leaks according to big data analysis.

As shown in fig. 2, the gas control box 3 of the present embodiment includes a control valve and circuit board 200 integrated into a whole, and an outer casing 105 is disposed outside the control valve and circuit board 200. The control valve comprises a valve body 100, a main flow cavity 101 for gas to flow through is arranged in the valve body 100, a sealing interface and a detection interface which are respectively communicated with the main flow cavity 101 are also arranged on the valve body 100, and the sealing interface can be opened or closed to realize the on-off state of the valve; a detection interface cover 120 is arranged on the detection interface, a pressure sensor and a flow sensor are arranged on the inner side, facing the main circulation cavity 101, of the detection interface cover 120 and are respectively used for monitoring the pressure and flow state of a pipeline in real time, a circuit board 200 is arranged above the outer side of the detection interface cover 120, and a vibration acquisition terminal 204, the pressure sensor, a CPU (central processing unit) processor 202, a wireless network module 201 and a wired network module 203 are arranged on the circuit board 200; the pressure sensor and the flow sensor on the inner side of the detection interface cover 120, the vibration acquisition terminal 204 and the pressure sensor on the circuit board 200 are respectively connected with the CPU processor 202, the CPU processor 202 is connected with the data platform server 4 through the wireless network module 201 or the wired network module 203, and the vibration acquisition terminal 204 is matched with the vibration sensor on the pipeline to acquire the vibration signal of the pipeline in real time. The gas control box 3 can comprehensively collect and transmit pressure signals, vibration signals and flow signals of the gas pipeline, comprehensively judge whether the pipeline is in a leakage state or not according to the pressure, vibration and flow conditions, and immediately and actively cut off the valve if abnormal conditions exist, so that the detection safety is obviously improved. Pressure, vibration, flow can real-time gas tightness synthesize, effectively solve the leak in the use and be difficult to detect and detect inaccurate problem, all-round assurance gas safety.

All set up threaded hole and adopt screw thread reliable connection around the top that detects interface lid 120 and detection interface, and detect and be provided with the static seal of rubber circle between interface lid 120 and the detection interface, inboard pressure sensor passes with flow sensor's winding displacement and detects interface lid 120 and be connected with the circuit board 200 of top, and the winding displacement with detect and fill epoxy whole sealedly between interface lid 120, fully guarantee to detect the pipeline gas tightness of interface, prevent that inside gas from leaking.

Gas control box 3 that this embodiment used can set up valve initial parameter through cell-phone APP to have the pipeline real-time pressure simultaneously, vibrate, the flow measurement function, and have remote communication and can be with information remote transmission to data platform server 4, and show on cell-phone APP, be used for can set for normally opening of valve by oneself and regularly detect pipeline gas tightness mode, normally closed and regularly detect pipeline gas tightness mode, it is comparatively convenient to use, convenience of customers operation.

Example 2

The stainless steel bellows pipe system for indoor gas of the present embodiment is basically the same as that of embodiment 1, and further, as shown in fig. 3 and 4, in the valve body 100 of the present embodiment, a main flow chamber 101 through which gas flows is provided, but the main flow chambers 101 located at the front and rear sides of the sealing port are not directly connected, but are respectively provided with main circulation cavities 101 at the front and the rear, an inner sealing cylinder 103 is arranged in the sealing interface, a gap between the inner sealing cylinder 103 and the main circulation cavity 101 at the front end (left side in the direction of figure 4) of the valve body 100 is an outer circulation cavity 102, an inner circulation cavity 104 is arranged in the inner sealing cylinder 103, the inner flow-through chamber 104 communicates with the main flow-through chamber 101 at the rear end (right side in the orientation of fig. 4) of the valve body 100, and in the open state of the control valve, the gas is conveyed to the main circulation cavity 101 at the rear end through the main circulation cavity 101 at the front end, the outer circulation cavity 102 and the inner circulation cavity 104 in sequence; a double-cavity sealing ring 400 is arranged above the inner sealing cylinder 103, the double-cavity sealing ring 400 is connected with the power assembly 300 and driven by the power assembly 300 to move up and down, so that the double-cavity sealing ring is compressed or separated from the inner sealing cylinder 103, the disconnection or connection state of the inner flow cavity 104 and the outer flow cavity 102 is controlled, and the on-off state of the control valve is realized. Specifically, in a valve closing state, the power assembly 300 drives the dual-cavity sealing ring 400 to move downwards and tightly press the inner sealing cylinder 103 to seal the inner circulation cavity 104, and fuel gas cannot enter the rear main circulation cavity 101 through the inner circulation cavity 104; when the valve is in an open state, the power assembly 300 drives the dual-cavity sealing ring 400 to move upwards to be separated from the inner sealing cylinder 103 to open the inner circulation cavity 104, the inner circulation cavity 104 and the outer circulation cavity 102 can circulate, and gas enters the main circulation cavity 101 at the rear through the inner circulation cavity 104 to realize a gas circulation state, wherein an arrow in fig. 4 shows a gas circulation path.

As shown in fig. 7 and 8, in this embodiment, the power assembly 300 includes a driving shaft 301 driven by power to rotate, if the driving shaft 301 is driven by a motor, an end cover 106 is disposed above the sealing interface of the valve body 100, a driving rod 302 matched with the driving shaft 301 is disposed in the end cover 106, the driving shaft 301 drives the driving rod 302 to move up and down in a rotating manner, if a transmission thread such as a ladder thread is disposed outside the driving shaft 301, an inner cavity matched with the driving shaft 301 is disposed in the driving rod 302, a transmission thread such as a ladder thread is correspondingly disposed on an inner wall of the inner cavity, and the rotation of the driving shaft 301 is converted into the up-and-down movement of the driving rod 302 by the matching of the transmission thread, which can be. A double-cavity sealing ring 400 is arranged at the lower part of the transmission rod 302, and the double-cavity sealing ring 400 is over against the top opening of the inner sealing cylinder 103; the drive link 302 can drive the dual-cavity sealing ring 400 to close and open the internal flow cavity 104.

In this embodiment, a tower-shaped sealing ring 303 is further sleeved on a portion of the transmission rod 302 located inside the end cap cover 106, two ends of the tower-shaped sealing ring 303 are respectively clamped outside the transmission rod 302 through a clamp 304, specifically, an auxiliary cylinder 310 is further disposed between an upper portion of the transmission rod 302 and the end cap cover 106, the auxiliary cylinder 310 is sleeved outside the transmission rod 302 and is disposed on the end cap cover 106, the transmission rod 302 penetrates through the end cap cover 106 to extend downward, an upper clamping section 311 and a lower clamping section 312 are respectively disposed outside the auxiliary cylinder 310, and the clamp 304 clamps an upper end of the tower-shaped sealing ring 303 in a gap between the upper clamping section 311 and the lower clamping section 312, so that a top end of the tower-shaped sealing ring 303 is firmly fixed outside the transmission rod 302 and does not affect the up-and-. The auxiliary cylinder 310 is further provided with a guide post/guide groove along the height direction close to the inner side of the transmission rod 302, and the outer wall of the transmission rod 302 is correspondingly provided with a guide groove/guide post matched with the guide post along the height direction, so that the transmission rod 302 is driven to move up and down, and the up-and-down operation process is stable. This embodiment carries out multistage sealed through setting up tower type sealing washer 303, drives the afterbody of tower type sealing washer 303 promptly when transfer line 302 up-and-down motion and carries out concertina movement, and tower type sealing washer 303 multilevel structure can effectively decompose and resist the stress that deformation produced, improves its life, and sealing performance is good, is favorable to improving the life and the security performance of valve.

Example 3

In addition to the foregoing embodiments, as shown in fig. 8, the dual-cavity sealing ring 400 of the present embodiment includes an inner ring body 410 for tightly closing the inner circulation cavity 104, an outer ring body 420 having an inverted U-shaped cross section is circumferentially and circumferentially disposed on an outer side of the inner ring body 410, an outward extending section is further disposed on an outer edge of the outer ring body 420, the extending section is embedded into the inner side of the end cover 106, and a circle of lower convex section 421 is disposed at a bottom of the extending section, and the lower convex section 421 is embedded into the valve body 100 below; the extension section and the U-shaped opening contact position are further provided with an inner convex section 422, the arc-shaped smooth transition structure is formed, specifically, the valve body 100 is provided with a circle of caulking groove at the top position contacted with the end cover 106, a certain gap is formed between the bottom of the end cover 106 and the caulking groove, the extension section of the outer ring body 420 extends into the gap and the lower convex section 421 below the extension section is just embedded into the caulking groove of the valve body, the inner convex section 422 fully fills and seals the gap between the bottom of the end cover 106 and the caulking groove, the outer ring body 420 actually carries out effective and full sealing on the outer flow through cavity 102, the outer flow through cavity 102 is completely covered by matching with the inner ring body 410, double sealing is carried out on the pipeline, and gas leakage is effectively prevented.

In this embodiment, the inner ring body 410 is circumferentially provided with a support ring 430, and specifically, the cross section of the support ring can be set to be L-shaped, so that the inner ring body 410 can be effectively supported, and the inner ring body can be tightly pressed at the top of the internal circulation cavity 104 to seal. An upper pressing sheet 305 is embedded below the tower-shaped sealing ring 303 of the transmission rod 302, and the upper pressing sheet 305 is tightly pressed above the support ring 430 to prevent the support ring 430 from moving; the bottom of the transmission rod 302 is further provided with a lower leaning piece 306 abutting against the lower part of the inner ring body 410, the inner ring body 410 is supported and abutted from the lower part, a bottom leaning piece 307 is further embedded in the bottom of the transmission rod 302 through a groove, and the bottom leaning piece 307 is located below the lower leaning piece 306 and used for tightly abutting against the lower leaning piece 306.

In this embodiment, a sealing interface cover 110 is disposed at the upper end of the inner sealing cylinder 103, a sealing ring 112 is disposed between the sealing interface cover 110 and the side wall of the inner sealing cylinder 103, and the side wall of the inner cavity of the sealing interface cover 110 is flush with the side wall of the inner flow-through cavity 104 of the inner sealing cylinder 103, the inner sealing cylinder 103 in the valve body 100 is usually cast, which has a processing precision that is difficult to meet the gas sealing requirement of this embodiment, the product processing precision can be effectively improved by disposing the sealing interface cover 110 at the upper end of the inner sealing cylinder 103 alone, which ensures the sealing performance, specifically, a matching section with a certain thickness is disposed inside the side wall of the upper portion of the inner sealing cylinder 103, the sealing interface cover 110 is clamped outside the matching section, and a sealing ring 112 is disposed between the bottom of the matching section and the inner sealing cylinder 103, a certain extension section outward from the upper portion of the sealing interface cover 110 is lapped on the top surface of the, this top convex section 111 inner wall also with interior circulation chamber 104 lateral wall parallel and level, and top convex section 111 top is the convex smooth cambered surface that makes progress, this top convex section 111 width is narrower, and be the smooth toper structure that both sides height is gradually low, compress tightly on top convex section 111 promptly when interior circle body 410 seals interior circulation chamber 104, set up top convex section 111 and reduced the area of contact with interior circle body 410 under the circumstances of assurance leakproofness, and can avoid influencing the leakproofness because of remaining some dust foreign matters etc. on the convex section 111 of top, sealing performance has further been improved, prevent that the gas from leaking.

Example 4

The stainless steel corrugated pipe pipeline system for indoor gas in the embodiment is basically the same as the above-mentioned embodiment, further, the two ends of the valve body 100 are respectively provided with the rotary joints 130 in a rotating fit manner, as shown in fig. 5 and fig. 6, a part of the rotary joints 130 extends into the valve body 100, a part of the rotary joints 130 abuts against the outer side of the end portion of the valve body 100, and the outer side of the rotary joints 130 is provided with threads for performing threaded connection with other gas pipelines.

The rotary joint 130 of this embodiment is provided with interior sealing ring 131 between the tip that stretches into valve body 100 and valve body 100, ensures the leakproofness of connecting between the two, and rotary joint 130 has seted up the outer caulking groove 132 of round along circumference on stretching into the lateral wall of valve body 100, and the inner wall of valve body 100 corresponds position department and is provided with interior caulking groove 107, and the cooperation has C shape snap ring 133 between embedded groove 107 and the outer caulking groove 132. As shown in fig. 6, a C-shaped snap ring 133 is disposed between the inner and outer grooves 107 and 132 and has a certain movement space, so that the rotary joint 130 and the valve body 100 are rotatably engaged, and the rotary joint 130 can rotate in the valve body 100. The C-shaped snap ring 133 is a notched non-closed snap ring, has a certain elastic contractibility, is firstly sleeved on the outer embedded groove 132 of the rotary joint 130 during installation, then the rotary joint 130 is gradually installed in the valve body 100, and is automatically popped out to be positioned between the inner embedded groove 107 and the outer embedded groove 132 when the C-shaped snap ring 133 moves to the position of the inner embedded groove 107. Through the structural design, the installation of the pipeline can be greatly facilitated, the pipeline and the rotary joint 130 can be installed in a threaded fit mode through rotating the rotary joint 130, the valve body 100 does not need to be integrally rotated, and the operation convenience is obviously improved.

The control valve of the present embodiment further includes a manual assembly 500, the manual assembly 500 corresponds to the power assembly 300, and both are used for driving the driving shaft 301 to rotate, and can be used as a standby power when the power assembly 300 cannot be used, as shown in fig. 10, the manual assembly 500 includes a handle 520, an inner transmission shaft 510 is disposed in the handle 520, the inner transmission shaft 510 and the driving shaft 301 are in meshing transmission through a gear, and the driving shaft 301 can be directly driven to rotate by rotating the handle 520.

The indoor stainless steel bellows pipe-line system for gas of this embodiment, bellows 10 that uses when connecting, the inboard of bellows joint end is provided with the roof pressure ring, this roof pressure ring is located the inboard ripple recess of bellows, and closely laminate with the inner wall of bellows, the roof pressure ring is for opening jagged ring, and the both ends of this breach are equipped with engaged with profile of tooth respectively, the roof pressure ring can effectively support the end connection section of bellows from the inboard, be convenient for guarantee to connect the compactness, this roof pressure ring has certain shrink elasticity because it has the breach, send its shrink state into the body earlier during installation, then bounce off in the recess of body and block into the ripple recess, and the meshing tooth at both ends helps further guaranteeing that it has stable supporting effect after bouncing off.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. Stainless steel corrugated pipe pipeline system is used to indoor gas, its characterized in that: the gas control system comprises a gas service pipe (1), a service main valve (2) and a gas control box (3), wherein the gas control box (3) is in signal connection with a data platform server (4) in a wired or wireless mode, the data platform server (4) is in signal connection with a processing terminal (5), the gas control box (3) is connected with a gas meter (6) and then is connected to a household pipeline needing to use gas through a connecting valve (7), the gas control box (3) is connected with the gas meter (6), and the gas meter (6) is connected with the household pipeline needing to use gas through a corrugated pipe (10).

2. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 1, wherein: the corrugated pipe (10) is coated with a sensing optical fiber film.

3. The stainless steel bellows pipeline system for indoor gas of claim 1 or 2, characterized in that: the gas control box (3) comprises a control valve and a circuit board (200) which are integrated into a whole, the control valve comprises a valve body (100), a main circulation cavity (101) for gas circulation is arranged in the valve body (100), a sealing interface and a detection interface which are respectively communicated with the main circulation cavity (101) are also arranged on the valve body (100), and the sealing interface can be opened or closed to realize the on-off of the valve; a detection interface cover (120) is arranged on the detection interface, a pressure sensor and a flow sensor are arranged on the inner side, facing the main circulation cavity (101), of the detection interface cover (120), a circuit board (200) is arranged above the outer side of the detection interface cover (120), and a vibration acquisition terminal (204), the pressure sensor, a CPU (202), a wireless network module (201) and a wired network module (203) are arranged on the circuit board (200); the pressure sensor and the flow sensor on the inner side of the detection interface cover (120), the vibration acquisition terminal (204) on the circuit board (200) and the pressure sensor are respectively connected with the CPU processor (202), and the CPU processor (202) is connected with the data platform server (4) through the wireless network module (201) or the wired network module (203).

4. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 3, wherein: a rubber ring static seal is arranged between the detection interface cover (120) and the detection interface, the flat cable of the inner side pressure sensor and the flat cable of the flow sensor penetrate through the detection interface cover (120) to be connected with the circuit board (200) above, and epoxy resin is filled between the flat cable and the detection interface cover (120) for integral sealing.

5. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 3, wherein: an inner sealing barrel (103) is arranged in a sealing interface of the valve body (100), a gap between the inner sealing barrel (103) and a main circulation cavity (101) at the front end of the valve body (100) is an outer circulation cavity (102), an inner circulation cavity (104) is arranged in the inner sealing barrel (103), the inner circulation cavity (104) is communicated with the main circulation cavity (101) at the rear end of the valve body (100), and gas is conveyed to the main circulation cavity (101) at the rear end through the main circulation cavity (101), the outer circulation cavity (102) and the inner circulation cavity (104) at the front end in sequence when the control valve is opened; a double-cavity sealing ring (400) is arranged above the inner sealing barrel (103), the double-cavity sealing ring (400) is connected with the power assembly (300) and driven by the power assembly (300) to run up and down, so that the double-cavity sealing ring is compressed or separated from the inner sealing barrel (103), the disconnection or connection state of the inner flow cavity (104) and the outer flow cavity (102) is controlled, and the on-off state of the control valve is realized.

6. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 5, wherein: the power assembly (300) comprises a driving shaft (301) driven by power to rotate, an end cover (106) is arranged above a sealing interface of the valve body (100), a transmission rod (302) matched with the driving shaft (301) is arranged in the end cover (106), the driving shaft (301) drives the transmission rod (302) to rotate to move up and down, a double-cavity sealing ring (400) is arranged at the lower part of the transmission rod (302), and the double-cavity sealing ring (400) is opposite to an opening at the top of the inner sealing cylinder (103); the part of the transmission rod (302) positioned on the inner side of the end cover (106) is also sleeved with a tower-shaped sealing ring (303), and two ends of the tower-shaped sealing ring (303) are clamped on the outer side of the transmission rod (302) through clamping bands (304).

7. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 6, wherein: an auxiliary cylinder (310) is further arranged between the upper portion of the transmission rod (302) and the end cover (106), the auxiliary cylinder (310) is sleeved on the outer side of the transmission rod (302), an upper clamping section (311) and a lower clamping section (312) are respectively arranged on the outer side of the auxiliary cylinder (310), and the clamp (304) clamps the upper end of the tower-shaped sealing ring (303) in a gap between the upper clamping section (311) and the lower clamping section (312).

8. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 5, wherein: the double-cavity sealing ring (400) comprises an inner ring body (410) used for compressing and sealing the inner circulation cavity (104), an outer ring body (420) with an inverted U-shaped section is arranged on the outer side of the inner ring body (410) in an upward and circumferential surrounding mode, an outward extension section is further arranged on the outer edge of the outer ring body (420), the extension section is embedded into the inner side of the end cover (106), a circle of lower convex section (421) is arranged at the bottom of the extension section, and the lower convex section (421) is embedded into the valve body (100) below; the inner ring body (410) is internally provided with a support ring (430) in a surrounding manner along the circumferential direction, an upper pressing sheet (305) is embedded below the tower-shaped sealing ring (303) of the transmission rod (302), the upper pressing sheet (305) is tightly pressed above the support ring (430), and the bottom of the transmission rod (302) is also provided with a lower leaning sheet (306) which is leaned against the lower part of the inner ring body (410).

9. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 5, wherein: the upper end of an inner sealing barrel (103) is provided with a sealing interface cover (110), a sealing ring (112) is arranged between the sealing interface cover (110) and the side wall of the inner sealing barrel (103), the side wall of an inner cavity of the sealing interface cover (110) is flush with the side wall of an inner circulation cavity (104) of the inner sealing barrel (103), a top convex section (111) is arranged on the top plane of the sealing interface cover (110), the inner wall of the top convex section (111) is flush with the side wall of the inner circulation cavity (104), and the top of the top convex section (111) is an upward convex smooth arc surface.

10. The stainless steel corrugated pipe pipeline system for indoor gas as claimed in claim 3, wherein: the two ends of the valve body (100) are respectively provided with the rotary connectors (130) in a rotating fit mode, an inner sealing ring (131) is arranged between the end portion, stretching into the valve body (100), of each rotary connector (130) and the valve body (100), a circle of outer embedded groove (132) is formed in the outer side wall, stretching into the valve body (100), of each rotary connector (130) in the circumferential direction, an inner embedded groove (107) is formed in the corresponding position of the inner wall of the valve body (100), and a C-shaped clamping ring (133) is matched between each inner embedded groove (107) and the corresponding outer embedded groove (132).

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