Electricity insulation wall pipe fitting for fuel gas

Abstract

The utility model relates to an electricity insulation wall pipe fitting for fuel gas. The electricity insulation wall pipe fitting comprises a connecting assembly and a safety assembly. The connecting assembly comprises an insulating shell, a first embedded part and a second embedded part, the first embedded part is embedded in the insulating shell, one end of the second embedded part is embedded in the insulating shell, the other end of the second embedded part extends to the outside in the direction of the center line of the rotating cavity, and an insulating partition is arranged between the first embedded part and the second embedded part; the safety assembly is arranged on the peripheral wall of the insulating shell in a sleeving mode, at least one warning lamp used for warning prompt is arranged on the safety assembly, one end of the safety assembly is connected with the first embedded part in series, and the other end of the safety assembly is connected with the second embedded part in series; the insulation partition is arranged between the first embedded part and the second embedded part, when an electric leakage accident occurs, the voltage of the connecting end of the gas corrugated pipe is zero, and gas safety accidents caused by electric sparks generated by the gas corrugated pipe due to electric leakage are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas safety, in particular to an electricity isolation wall pipe fitting for gas. Background Art

[0002] At present, gas water heaters are a kind of popular household appliances, which bring great convenience to people's lives. However, gas water heaters may have electric leakage problems affected by the usage environment. How to protect personal safety when the gas water heater has electric leakage has always been a concern for people.

[0003] In the application of gas water heaters, metal connecting pipes are usually used for gas connection. After the metal pipe for gas connection is connected to the gas water heater, if the gas water heater has electric leakage, the current conduction to the metal pipe for gas connection will cause heating and burning through, resulting in safety accidents such as gas leakage or explosion. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide an electricity isolation wall pipe fitting for gas, and the advantage is that it can avoid gas safety accidents caused by electric sparks generated in the gas connection pipeline due to electric leakage.

[0005] The above-mentioned utility model purpose of the utility model is achieved through the following technical solutions: an electricity isolation wall pipe fitting for gas, including a connection component and a safety component; the safety component is sleeved on the outer peripheral wall of the connection component; the connection component includes an insulating shell, a first embedded part and a second embedded part, the insulating shell encloses a rotating cavity, the first embedded part is embedded in the insulating shell, the first embedded part is communicated with the rotating cavity, one end of the second embedded part is embedded in the insulating shell, the other end of the second embedded part extends to the outside along the center line direction of the rotating cavity, the second embedded part is communicated with the rotating cavity, and an insulating partition is arranged between the first embedded part and the second embedded part; the safety component is sleeved on the outer peripheral wall of the insulating shell, at least one warning light for alarm prompt is arranged on the safety component, one end of the safety component is connected in series with the first embedded part, and the other end of the safety component is connected in series with the second embedded part.

[0006] Preferably, for the electricity-isolating wall pipe fitting for gas provided by the present utility model, the insulating housing includes an external-thread sleeve, a hollow hexagonal prism, a first sleeve, and a second sleeve. One end of the external-thread sleeve is connected to one end of the hollow hexagonal prism. The end of the hollow hexagonal prism facing away from the external-thread sleeve is connected to one end of the first sleeve. One end of the first sleeve facing away from the hollow hexagonal prism is connected to one end of the second sleeve. The external-thread sleeve, the hollow hexagonal prism, the first sleeve, and the second sleeve are sequentially communicated to form the rotating cavity. The safety component is sleeved on the second sleeve. At least one notch is formed at one end of the first sleeve facing the second sleeve. At least one gap is formed on the outer side wall of the end of the second sleeve away from the first sleeve. The first end of the safety component is inserted into the notch and is connected in series with the first embedded part. The second end of the safety component is connected in series with the second embedded part through the gap.

[0007] Preferably, for the electricity-isolating wall pipe fitting for gas provided by the present utility model, the safety component includes a first annular copper sheet, a second annular copper sheet, and two relatively arranged circuit modules. The first annular copper sheet and the second annular copper sheet are arranged at intervals along the central axis direction of the rotating cavity. One ends of the two circuit modules are both connected to the first annular copper sheet. The other ends of the two circuit modules are both connected to the second annular copper sheet. The first annular copper sheet and the second annular copper sheet are both sleeved on the second sleeve. The first annular copper sheet is connected in series with the first embedded part. The second annular copper sheet is connected in series with the second embedded part.

[0008] Preferably, for the electricity-isolating wall pipe fitting for gas provided by the present utility model, at least one contact boss is arranged at the end of the first annular copper sheet facing away from the second annular copper sheet. The contact boss extends outward along the central axis direction of the first annular copper sheet. The contact boss is adapted to the notch. The contact boss is arranged corresponding to the notch. The contact boss is inserted into the notch and is connected in series with the first embedded part.

[0009] Preferably, for the electricity-isolating wall pipe fitting for gas provided by the present utility model, at least one convexity that is recessed inward radially along the second annular copper sheet is arranged on the second annular copper sheet. The gap is arranged corresponding to the convexity. The convexity is connected in series with the second embedded part.

[0010] Preferably, for the electricity isolation wall pipe fitting for gas use provided by the present utility model, the first insert includes a cylinder body and at least one connecting boss. The connecting boss is arranged on the outer peripheral wall of the cylinder body near one end facing the second insert, and the connecting boss extends radially outward along the cylinder body. The connecting boss is embedded in the first sleeve, and the connecting boss is arranged corresponding to the notch. The first end of the safety component is inserted into the notch and is in contact and in series connection with the connecting boss; the cylinder body encloses an installation cavity, and a stop flange is arranged in the installation cavity. The stop flange extends radially inward along the cylinder body, and the stop flange divides the installation cavity into a first chamber and a second chamber. The first chamber and the second chamber are communicated. Internal threads are provided on the inner peripheral wall of the first chamber, and the gas water heater connection end is screwed into the first chamber. The gas water heater connection end is in threaded connection with the cylinder body. Multiple fixing grooves are provided on the inner peripheral wall of the second chamber. The multiple fixing grooves all recess radially inward along the cylinder body, and the multiple fixing grooves are arranged at intervals along the central line direction of the cylinder body.

[0011] Preferably, for the electricity isolation wall pipe fitting for gas use provided by the present utility model, multiple first dovetail grooves are provided on the outer peripheral wall of the cylinder body. The multiple first dovetail grooves all recess radially inward along the cylinder body, and the multiple first dovetail grooves are arranged at intervals along the central line direction of the cylinder body; a sealing groove is provided on the outer peripheral wall of one end of the cylinder body facing the second insert. The sealing groove is located at the bottom of the connecting boss, and the sealing groove recesses radially inward along the cylinder body. A sealing ring is arranged in the sealing groove.

[0012] Preferably, for the electricity isolation wall pipe fitting for gas use provided by the present utility model, the second insert includes a pipe body and at least one installation boss. The pipe body encloses a containing cavity, and the installation boss is arranged on the outer peripheral wall of the pipe body. The installation boss is embedded in the second sleeve, and the installation boss extends radially outward along the pipe body. The installation boss is adapted to the notch, and the installation boss is arranged corresponding to the notch. The installation boss is inserted into the notch, and the second end of the safety component is in contact and in series connection with the installation boss; one end of the pipe body is embedded in the second sleeve, and the other end of the pipe body extends to the outside along the central line direction of the pipe body. External threads are provided on the outer peripheral wall of the extending end of the pipe body, and the extending end of the pipe body is used for connecting with the gas bellows.

[0013] Preferably, for the electricity isolation wall pipe fitting for gas provided by the present utility model, a plurality of second dovetail grooves are formed on the outer peripheral wall of one end of the pipe body facing the first embedded part. The plurality of second dovetail grooves are all recessed inwards along the radial direction of the pipe body. The plurality of second dovetail grooves are arranged at intervals along the central line direction of the pipe body. A sealing member is arranged in each second dovetail groove; a plurality of connecting grooves are formed on the inner peripheral wall of one end of the accommodating cavity facing the first embedded part. The plurality of connecting grooves are all recessed inwards along the radial direction of the pipe body. The plurality of connecting grooves are arranged at intervals along the central line direction of the pipe body.

[0014] Preferably, for the electricity isolation wall pipe fitting for gas provided by the present utility model, the insulation partition is made of PE material.

[0015] In summary, the beneficial technical effects of the present utility model are as follows: The electricity isolation wall pipe fitting for gas provided by the present application includes a connection assembly and a safety assembly; the safety assembly is sleeved on the outer peripheral wall of the connection assembly; the connection assembly includes an insulating shell, a first embedded part and a second embedded part. The insulating shell encloses a rotating cavity. The first embedded part is embedded in the insulating shell. The first embedded part communicates with the rotating cavity. One end of the second embedded part is embedded in the insulating shell, and the other end of the second embedded part extends to the outside along the central line direction of the rotating cavity. The second embedded part communicates with the rotating cavity. An insulation partition is arranged between the first embedded part and the second embedded part; the safety assembly is sleeved on the outer peripheral wall of the insulating shell. At least one warning light for alarm prompt is arranged on the safety assembly. One end of the safety assembly is connected in series with the first embedded part, and the other end of the safety assembly is connected in series with the second embedded part; on the one hand, by arranging an insulation partition between the first embedded part and the second embedded part, in case of a leakage accident, the voltage at the connection end of the gas bellows is zero, avoiding a gas safety accident caused by the generation of electric sparks in the gas bellows pipeline due to leakage; on the other hand, by arranging a warning light, when there is a potential difference between the connection end of the gas bellows and the connection end of the gas water heater, the warning light will be lit, thereby prompting the user. Thus, the safety is improved. Description of the Drawings

[0016] Figure 1 is a cross-sectional view of the electricity isolation wall pipe fitting for gas provided by an embodiment of the present utility model.

[0017] Figure 2 is an overall structural schematic diagram of the electricity isolation wall pipe fitting for gas provided by an embodiment of the present utility model.

[0018] Figure 3 is a connection structural schematic diagram of the connection assembly and the safety assembly in the electricity isolation wall pipe fitting for gas provided by an embodiment of the present utility model.

[0019] Figure 4It is a cross-sectional view of the connection component in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0020] Figure 5 It is a schematic structural diagram of the connection component in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0021] Figure 6 It is a schematic structural diagram of the insulating housing in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0022] Figure 7 It is a schematic structural diagram of the first embedded part in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0023] Figure 8 It is a schematic structural diagram of the second embedded part in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0024] Figure 9 It is a schematic structural diagram of the safety component in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0025] Figure 10 It is a schematic structural diagram of the first arc-shaped cover body in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0026] Figure 11 It is a schematic structural diagram of the second arc-shaped cover body in the electricity isolation wall pipe fitting for gas provided by the embodiment of the present utility model.

[0027] In the figure, 1, electricity isolation wall pipe fitting; 10, connection component; 11, insulating housing; 111, rotating cavity; 112, external thread sleeve; 113, hollow hexagonal prism; 114, first sleeve; 1141, notch; 115, second sleeve; 1151, gap; 12, first embedded part; 121, cylinder body; 1211, first dovetail groove; 1212, sealing groove; 1213, sealing ring; 1214, stop flange; 1215, fixing groove; 1216, first U-shaped groove; 122, connecting boss; 13, second embedded part; 131, pipe body; 1311, second dovetail groove; 1312, sealing member; 1313, connecting groove; 1314, second U-shaped groove; 132, mounting boss; 14, insulating partition; 20, safety component; 21, first annular copper sheet; 211, contact boss; 22, second annular copper sheet; 221, protrusion; 23, circuit module; 231, circuit board; 232, battery; 233, mounting part; 2331, positive plate; 2332, negative plate; 30, warning lamp; 40, lamp shade; 41, first arc-shaped cover body; 411, inserting block; 42, second arc-shaped cover body; 421, inserting hole. Detailed implementation manners

[0028] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0029] Referring to Figures 1 to 3 , a dielectric isolation wall pipe fitting 1 for gas use disclosed by the present utility model includes a connection assembly 10 and a safety assembly 20; the safety assembly 20 is sleeved on the outer peripheral wall of the connection assembly 10; the connection assembly 10 includes an insulating housing 11, a first embedded part 12 and a second embedded part 13. The insulating housing 11 encloses a rotating cavity 111. The first embedded part 12 is embedded in the insulating housing 11 and is communicated with the rotating cavity 111. One end of the second embedded part 13 is embedded in the insulating housing 11, and the other end of the second embedded part 13 extends to the outside along the central line direction of the rotating cavity 111 and is communicated with the rotating cavity 111. An insulating partition 14 is arranged between the first embedded part 12 and the second embedded part 13; the safety assembly 20 is sleeved on the outer peripheral wall of the insulating housing 11, and at least one warning light 30 for alarm prompt is arranged on the safety assembly 20. One end of the safety assembly 20 is connected in series with the first embedded part 12, and the other end of the safety assembly 20 is connected in series with the second embedded part 13; on the one hand, by arranging the insulating partition 14 between the first embedded part 12 and the second embedded part 13, in case of a leakage accident, the voltage at the connection end of the gas bellows is zero, avoiding a gas safety accident caused by the generation of electric sparks in the gas bellows pipeline due to leakage; on the other hand, by arranging the warning light 30, when there is a potential difference between the connection end of the gas bellows and the connection end of the gas water heater, the warning light 30 will be lit, thereby prompting the user. Thus, the safety is improved.

[0030] Exemplarily, the insulating housing 11 can be made of PE material. Of course, the insulating housing 11 can also be made of PVC material.

[0031] Wherein, the insulating housing 11 is integrally formed with the first embedded part 12 and the second embedded part 13 by injection molding. Taking the orientation shown in Figure 1 as an example, the first embedded part 12 is arranged at the upper part and the second embedded part 13 is arranged at the lower part. In an implementable manner where the insulating housing 11 is made of PE material, an insulating partition 14 is arranged between the first embedded part 12 and the second embedded part 13, and the insulating partition 14 is formed by a part of the insulating housing 11; by arranging the insulating housing 11 as an insulating and electricity-isolating layer, the resistance can be attenuated to isolate the electricity, making the voltage at the connection end of the gas bellows zero.

[0032] Wherein, in an implementable manner where the insulating housing 11 is made of PE material, the insulating partition 14 is made of PE material.

[0033] The use process of the gas-fired insulating wall pipe 1 provided in this embodiment is as follows: the gas bellows is connected to one end of the second embedded component 13, the second embedded component 13 serves as the gas inlet end, and the gas water heater connection end is connected to the first embedded component 12. During the use of the gas water heater, when the safety component 20 detects that there is a potential difference between the connection end of the gas bellows and the connection end of the gas water heater, the warning light 30 will be lit to form an alarm to prompt the user.

[0034] Continue to refer to Figures 4 to 6 , in this embodiment, the insulating housing 11 includes an externally threaded sleeve 112, a hollow hexagonal prism 113, a first sleeve 114 and a second sleeve 115, one end of the externally threaded sleeve 112 is connected to one end of the hollow hexagonal prism 113, one end of the hollow hexagonal prism 113 away from the externally threaded sleeve 112 is connected to one end of the first sleeve 114, and one end of the first sleeve 114 away from the hollow hexagonal prism 113 is connected to one end of the second sleeve 115; the externally threaded sleeve 112, the hollow hexagonal prism 113, the first sleeve 114 and the second sleeve 115 are connected in sequence. The rotating cavity 111 is formed; the safety component 20 is sleeved on the second sleeve 115, and at least one notch 1141 is opened on the end of the first sleeve 114 facing the second sleeve 115, and at least one notch 1151 is opened on the outer wall of the end of the second sleeve 115 away from the first sleeve 114. The first end of the safety component 20 is inserted into the notch 1141 and connected in series with the first embedded component 12, and the second end of the safety component 20 is connected in series with the second embedded component 13 through the notch 1151; by setting the hollow hexagonal prism 113, it is convenient to apply torque during installation.

[0035] Specifically, the center line of the external threaded sleeve 112 is arranged in parallel with the center line of the hollow hexagonal prism 113, the center line of the hollow hexagonal prism 113 is arranged in parallel with the center line of the first sleeve 114, and the center line of the first sleeve 114 is arranged in parallel with the center line of the second sleeve 115. In some achievable methods, the center line of the external threaded sleeve 112, the center line of the hollow hexagonal prism 113, the center line of the first sleeve 114 and the center line of the second sleeve 115 are arranged in a collinear manner.

[0036] With Figure 1 Take the position shown in the figure as an example, the external threaded sleeve 112, the hollow hexagonal prism 113, the first sleeve 114 and the second sleeve 115 are arranged in sequence from top to bottom, wherein the outer diameter of the first sleeve 114 is greater than the outer diameter of the second sleeve 115.

[0037] In this embodiment, the first sleeve 114 has two notches 1141 on one end facing the second sleeve 115, and the two notches 1141 are arranged opposite to each other. The outer wall of the second sleeve 115 away from the first sleeve 114 has two notches 1151 on the other end, and the two notches 1151 are arranged opposite to each other.

[0038] Continuing to refer to Figure 4 and Figure 7 In this embodiment, the first insert 12 includes a cylinder 121 and at least one connecting boss 122. The connecting boss 122 is disposed on the outer peripheral wall of the cylinder 121 near one end facing the second insert 13. The connecting boss 122 extends radially outward along the cylinder 121. The connecting boss 122 is embedded in the first sleeve 114. The connecting boss 122 is correspondingly disposed with the notch 1141. The first end of the safety component 20 is inserted into the notch 1141 and is in contact and in series connection with the connecting boss 122. The cylinder 121 encloses an installation cavity. A stop flange 1214 is disposed in the installation cavity. The stop flange 1214 extends radially inward along the cylinder 121. The stop flange 1214 divides the installation cavity into a first chamber and a second chamber. The first chamber and the second chamber are communicated. Internal threads are provided on the inner peripheral wall of the first chamber. The gas water heater connection end is screwed into the first chamber. The gas water heater connection end is threadedly connected to the cylinder 121. A plurality of fixing grooves 1215 are provided on the inner peripheral wall of the second chamber. The plurality of fixing grooves 1215 all recess radially inward along the cylinder 121. The plurality of fixing grooves 1215 are spaced along the central axis direction of the cylinder 121. On the one hand, by providing the connecting boss 122, the safety component 20 is connected in series with the first insert 12 through the connecting boss 122. On the other hand, by providing a plurality of fixing grooves 1215, thereby, the firmness of the connection between the first insert 12 and the insulating housing 11 is improved.

[0039] Specifically, the central axis of the cylinder 121 is parallel to the central axis of the external thread sleeve 112. In some realizable ways, the central axis of the cylinder 121 coincides with the central axis of the external thread sleeve 112.

[0040] It should be noted that the number of the connecting bosses 122 corresponds to the number of the notches 1141 one by one.

[0041] In a realizable way where two notches 1141 are provided at one end of the first sleeve 114 facing the second sleeve 115, two connecting bosses 122 are provided on the outer peripheral wall of the cylinder 121 near one end facing the second insert 13. The two connecting bosses 122 are oppositely disposed. The two connecting bosses 122 both extend radially outward along the cylinder 121. The connecting bosses 122 are correspondingly disposed with the notches 1141 one by one.

[0042] Further, in this embodiment, a plurality of first dovetail grooves 1211 are formed on the outer peripheral wall of the cylinder body 121. The plurality of first dovetail grooves 1211 are all recessed inward along the radial direction of the cylinder body 121, and the plurality of first dovetail grooves 1211 are arranged at intervals along the central line direction of the cylinder body 121. A sealing groove 1212 is formed on the outer peripheral wall of one end of the cylinder body 121 facing the second insert 13. The sealing groove 1212 is located at the bottom of the connecting boss 122. The sealing groove 1212 is recessed inward along the radial direction of the cylinder body 121, and a sealing ring 1213 is arranged in the sealing groove 1212. By providing the plurality of first dovetail grooves 1211, the first dovetail grooves 1211 are used as leakage-proof slots to prevent the occurrence of tiny gaps or peeling phenomena between the first insert 12 and the insulating housing 11 during use. In addition, by providing the sealing ring 1213, leakage caused by tiny gaps between the first insert 12 and the insulating housing 11 is eliminated.

[0043] To further prevent leakage between the first insert 12 and the insulating housing 11, a sealing ring 1213 is arranged in one or more of the first dovetail grooves 1211.

[0044] To further improve the firmness of the connection between the first insert 12 and the insulating housing 11, a plurality of first U-shaped grooves 1216 are formed at one end of the cylinder body 121 facing the second insert 13. The plurality of first U-shaped grooves 1216 are recessed inward along the central line direction of the cylinder body 121, and the plurality of first U-shaped grooves 1216 are arranged at intervals along the circumferential direction of the cylinder body 121.

[0045] Continue to refer to Figure 4 and Figure 8 In this embodiment, the second insert 13 includes a tube body 131 and at least one mounting boss 132. The tube body 131 encloses a receiving cavity. The mounting boss 132 is arranged on the outer peripheral wall of the tube body 131. The mounting boss 132 is embedded in the second sleeve 115. The mounting boss 132 extends outward along the radial direction of the tube body 131. The mounting boss 132 is adapted to the notch 1151. The mounting boss 132 and the notch 1151 are arranged corresponding to each other. The mounting boss 132 is inserted into the notch 1151. The second end of the safety component 20 is in contact and in series connection with the mounting boss 132. One end of the tube body 131 is embedded in the second sleeve 115, and the other end of the tube body 131 extends to the outside along the central line direction of the tube body 131. External threads are formed on the outer peripheral wall of the extending end of the tube body 131. The extending end of the tube body 131 is used for connecting with a gas bellows. By providing the mounting boss 132, the safety component 20 is connected in series with the second insert 13 through the mounting boss 132.

[0046] Specifically, the central line of the tube body 131 is arranged parallel to the central line of the second sleeve 115. In some feasible ways, the central line of the tube body 131 and the central line of the second sleeve 115 are arranged collinearly.

[0047] It should be noted that the number of mounting bosses 132 is substantially the same as the number of notches 1151.

[0048] Exemplarily, the tube body 131 may be a stepped tube, or a straight tube. In the implementation method of the tube body 131 being a stepped tube, the stepped tube includes a large diameter tube and a small diameter tube, one end of the large diameter tube is connected to one end of the small diameter tube, the mounting boss 132 is arranged on the outer peripheral wall of the end of the large diameter tube facing the small diameter tube, the mounting boss 132 extends outward along the radial direction of the large diameter tube, and the end of the mounting boss 132 away from the large diameter tube extends toward the direction of the small diameter tube along the center line direction of the large diameter tube.

[0049] During use, the large diameter tube is embedded in the second sleeve 115, and the small diameter tube extends to the outside of the insulating shell 11, and an external thread is provided on the outer peripheral wall of the small diameter tube.

[0050] Specifically, the center line of the large diameter tube is arranged in parallel with the center line of the small diameter tube. In some practicable methods, the center line of the large diameter tube is arranged in a collinear manner with the center line of the small diameter tube.

[0051] In an achievable method in which two notches 1151 are provided on the outer circumferential wall of the end of the second sleeve 115 away from the first sleeve 114, two mounting bosses 132 are provided on the outer circumferential wall of the end of the large diameter tube facing the small diameter tube, the two mounting bosses 132 are arranged opposite to each other, the mounting bosses 132 and the notches 1151 are arranged one-to-one, the mounting bosses 132 and the notches 1151 are adapted, and the two mounting bosses 132 both extend outwardly along the radial direction of the large diameter tube. During use, the two mounting bosses 132 are respectively inserted into the two notches 1151.

[0052] The end of the mounting boss 132 away from the first embedded component 12 extends along the center line direction of the tube body 131, and the end of the mounting boss 132 away from the first embedded component 12 is inserted into the notch 1151.

[0053] In order to improve the firmness of the connection between the second embedded component 13 and the insulating shell 11, a plurality of second U-shaped grooves 1314 are provided at the end of the cylinder 121 facing the first embedded component 12. The plurality of second U-shaped grooves 1314 are recessed inward along the center line direction of the tube body 131, and the plurality of second U-shaped grooves 1314 are arranged at intervals along the circumference of the cylinder 121.

[0054] Further, in this embodiment, on the outer peripheral wall of one end of the pipe body 131 facing the first insert 12, a plurality of second dovetail grooves 1311 are provided. The plurality of second dovetail grooves 1311 are all recessed inward along the radial direction of the pipe body 131. The plurality of second dovetail grooves 1311 are arranged at intervals along the central line direction of the pipe body 131. A sealing member 1312 is arranged in each second dovetail groove 1311; on the inner peripheral wall of one end of the accommodating cavity facing the first insert 12, a plurality of connecting grooves 1313 are provided. The plurality of connecting grooves 1313 are all recessed inward along the radial direction of the pipe body 131. The plurality of connecting grooves 1313 are arranged at intervals along the central line direction of the pipe body 131; by providing the second dovetail grooves 1311 and the connecting grooves 1313, thereby, the firmness of the connection between the second insert 13 and the insulating housing 11 is improved.

[0055] Specifically, taking Figure 1 the shown orientation as an example, the plurality of second dovetail grooves 1311 are all located above the mounting boss 132. That is to say, the plurality of second dovetail grooves are all located within the second sleeve. The second dovetail grooves 1311 are slots for preventing leakage, preventing leakage caused by the generation of minute gaps or peeling between the second insert 13 and the insulating housing 11 during use.

[0056] It should be noted that, taking Figure 1 the shown orientation as an example, the plurality of connecting grooves 1313 are all located above the mounting boss 132.

[0057] In an implementable manner where the pipe body 131 adopts a stepped pipe, the large-diameter pipe is embedded in the second sleeve. On the outer peripheral wall of the large-diameter pipe, a plurality of second dovetail grooves 1311 are provided. The plurality of second dovetail grooves 1311 are all recessed inward along the radial direction of the large-diameter pipe. The plurality of second dovetail grooves 1311 are arranged at intervals along the central line direction of the large-diameter pipe. On the inner peripheral wall of the large-diameter pipe, a plurality of connecting grooves 1313 are provided. The plurality of connecting grooves 1313 are all recessed inward along the radial direction of the large-diameter pipe. The plurality of connecting grooves 1313 are arranged at intervals along the central line direction of the large-diameter pipe.

[0058] Continuing to refer to Figure 9 , in this embodiment, the safety component 20 includes a first annular copper sheet 21, a second annular copper sheet 22, and two relatively arranged circuit modules 23. The first annular copper sheet 21 and the second annular copper sheet 22 are arranged at intervals along the central line direction of the rotating cavity 111. One ends of the two circuit modules 23 are both connected to the first annular copper sheet 21, and the other ends of the two circuit modules 23 are both connected to the second annular copper sheet 22; the first annular copper sheet 21 and the second annular copper sheet 22 are both sleeved on the second sleeve 115. The first annular copper sheet 21 is connected in series with the first insert 12, and the second annular copper sheet 22 is connected in series with the second insert 13.

[0059] Specifically, both the first annular copper sheet 21 and the second annular copper sheet 22 are sleeved on the second sleeve 115. Taking the Figure 3 orientation shown as an example, one end of the first annular copper sheet 21 facing away from the second annular copper sheet 22 abuts against the bottom end of the first sleeve 114. The second annular copper sheet 22 is sleeved on the outer peripheral wall of the end of the second sleeve 115 away from the first sleeve 114. The center lines of both the first annular copper sheet 21 and the second annular copper sheet 22 are parallel to the center line of the second sleeve 115. In some implementable ways, the center lines of the first annular copper sheet 21 and the second annular copper sheet 22 are collinear.

[0060] It should be noted that the number of warning lights 30 is basically the same as the number of circuit modules 23.

[0061] In an implementable way where the safety component 20 includes two circuit modules 23, the two warning lights 30 are respectively arranged on the two circuit modules 23.

[0062] Furthermore, in this embodiment, at least one contact boss 211 is provided at one end of the first annular copper sheet 21 away from the second annular copper sheet 22. The contact boss 211 extends outward along the center line direction of the first annular copper sheet 21. The contact boss 211 is adapted to the notch 1141 and is correspondingly arranged with the notch 1141. The contact boss 211 is inserted into the notch 1141 and is connected in series with the first insert 12.

[0063] It should be noted that the number of contact bosses 211 is basically the same as the number of notches 1141.

[0064] In an implementable way where two notches 1141 are provided at one end of the first sleeve 114 facing the second sleeve 115, two contact bosses 211 are provided at one end of the first annular copper sheet 21 away from the second annular copper sheet 22. The two contact bosses 211 are oppositely arranged and are correspondingly arranged with the notches 1141 one by one. Both contact bosses 211 extend outward along the center line direction of the first annular copper sheet 21. During use, the first annular copper sheet 21 is sleeved on the second sleeve 115. Taking the Figure 3 orientation shown as an example, one end of the first annular copper sheet 21 facing away from the second annular copper sheet 22 contacts the bottom end of the first sleeve 114. The bottom end of the contact boss 211 is inserted into the corresponding notch 1141 and contacts and is connected in series with the corresponding connecting boss 122.

[0065] Furthermore, in this embodiment, at least one protrusion 221 that is recessed inward along the radial direction of the second annular copper sheet 22 is provided on the second annular copper sheet 22. The notch 1151 is correspondingly arranged with the protrusion 221. The protrusion 221 is connected in series with the second insert 13; by providing the protrusion 221, the protrusion 221 has an elastic clamping point.

[0066] It should be noted that the number of the protrusions 221 is substantially the same as the number of the notches 1151.

[0067] In a realizable manner in which two notches 1151 are formed on the outer peripheral wall of one end of the second sleeve 115 away from the first sleeve 114, two protrusions 221 that are recessed radially inward along the second annular copper sheet 22 are provided on the second annular copper sheet 22. The two protrusions 221 are arranged oppositely, and the protrusions 221 and the notches 1151 are arranged in one-to-one correspondence. During use, the second annular copper sheet 22 is sleeved on the outer peripheral wall of one end of the second sleeve 115 away from the first sleeve 114, and the two protrusions 221 are respectively in contact and in series connection with the two mounting bosses 132.

[0068] Furthermore, in this embodiment, the circuit module 23 includes a circuit board 231 and at least one battery 232. One end of the circuit board 231 is inserted into the first annular copper sheet 21, and the other end of the circuit board 231 is inserted into the second annular copper sheet 22. The warning lamp 30 is arranged on the circuit board 231. At least one mounting member 233 for mounting the battery 232 is arranged on the circuit board 231, and the battery 232 is used to provide power.

[0069] Exemplarily, the warning lamp 30 can be an LED lamp. Of course, the warning lamp 30 can also be an incandescent lamp.

[0070] Wherein, the mounting member 233 has a bending arc that is adapted to the second sleeve 115. Specifically, the mounting member 233 includes a positive plate 2331 and a negative plate 2332. One end of the positive plate 2331 is connected to one side of the circuit board 231, and the other end of the positive plate 2331 is bent toward the side of the second sleeve 115. One end of the negative plate 2332 is connected to the side of the circuit board 231 away from the positive plate 2331, and the other end of the negative plate 2332 is bent toward the side of the second sleeve 115. The bending arcs of the positive plate 2331 and the negative plate 2332 are both adapted to the second sleeve 115. The positive plate 2331 and the negative plate 2332 are arranged in parallel, and an installation space is left between the positive plate 2331 and the negative plate 2332. During use, the battery 232 is installed in the installation space.

[0071] It should be noted that the number of the mounting members 233 is substantially the same as the number of the batteries 232.

[0072] In a realizable manner in which the circuit module 23 includes two batteries 232, the mounting members 233 are arranged on both opposite sides of the circuit board 231, and the two batteries 232 are respectively installed on the two mounting members 233.

[0073] Continue to refer to Figure 1 、 Figure 10 and Figure 11The gas-fired insulating wall pipe 1 provided in this embodiment further includes a lampshade 40, which is arranged outside the safety component 20 and connected to the connecting component 10; the lampshade 40 is provided to protect the internal circuit module 23 and the warning light 30, and prevent the circuit module 23 and the warning light 30 from being damaged, thereby extending the service life of the circuit module 23 and the warning light 30.

[0074] Specifically, the lampshade 40 is disposed outside the mounting assembly and the warning light 30, that is, the lampshade 40 is disposed outside the second sleeve 115, one end of the lampshade 40 is plug-in-connected with one end of the first sleeve 114 toward the second sleeve 115, and a through hole is provided at one end of the lampshade 40 away from the first sleeve 114, and the through hole is connected to the cavity of the second sleeve 115, and one end of the second inner component 13 away from the first inner component 12 passes through the second sleeve 115 and the through hole in sequence and extends to the outside.

[0075] The end of the lampshade 40 away from the first sleeve 114 is connected to the mounting boss 132 by bolt connection.

[0076] Furthermore, in this embodiment, the lampshade 40 includes a first arc-shaped cover body 41 and a second arc-shaped cover body 42. The side walls on opposite sides of the first arc-shaped cover body 41 are provided with plug-in blocks 411, and the side walls on opposite sides of the second arc-shaped cover body 42 are provided with plug-in holes 421 that match the plug-in blocks 411. The plug-in blocks 411 and the plug-in holes 421 are correspondingly arranged. During use, the plug-in blocks 411 are inserted into the plug-in holes 421, so that the first arc-shaped cover body 41 and the second arc-shaped cover body 42 together constitute a cylindrical lampshade 40.

[0077] In order to adjust the uniformity of the flashing light of the warning light 30, the outer peripheral walls of the first arc-shaped cover body 41 and the second arc-shaped cover body 42 are both provided with wavy stripes, and the wavy stripes extend along the center line of the lampshade 40.

[0078] The use process of the gas-use insulating wall pipe 1 provided in this embodiment is as follows: the gas bellows is connected to one end of the second embedded component 13, the second embedded component 13 serves as the gas inlet end, the gas water heater connection end is connected to the first embedded component 12, the first embedded component 12 is connected in series with the first annular copper sheet 21, the second embedded component 13 is connected in series with the second annular copper sheet 22, and PE insulating material is used as an insulating partition 14 between the first embedded component 12 and the second embedded component 13 to achieve resistance attenuation and electrical isolation, so that the voltage at the connection end of the gas bellows is zero. When the gas corrugated pipeline leaks electricity, when the safety component 20 detects that there is a potential difference between the connection end of the gas bellows and the connection end of the gas water heater, the warning light 30 will be lit to form an alarm to prompt the user.

[0079] The electricity isolation wall pipe fitting 1 for gas provided by the present application includes a connection assembly 10 and a safety assembly 20; the safety assembly 20 is sleeved on the outer peripheral wall of the connection assembly 10; the connection assembly 10 includes an insulating shell 11, a first embedded part 12 and a second embedded part 13. The insulating shell 11 encloses a rotating cavity 111. The first embedded part 12 is embedded in the insulating shell 11 and is communicated with the rotating cavity 111. One end of the second embedded part 13 is embedded in the insulating shell 11, and the other end of the second embedded part 13 extends to the outside along the central line direction of the rotating cavity 111, and the second embedded part 13 is communicated with the rotating cavity 111. An insulating partition 14 is provided between the first embedded part 12 and the second embedded part 13; the safety assembly 20 is sleeved on the outer peripheral wall of the insulating shell 11, and at least one warning light 30 for alarm prompt is arranged on the safety assembly 20. One end of the safety assembly 20 is connected in series with the first embedded part 12, and the other end of the safety assembly 20 is connected in series with the second embedded part 13; on the one hand, by providing the insulating partition 14 between the first embedded part 12 and the second embedded part 13, in the event of an electric leakage accident, the voltage at the connection end of the gas bellows is zero, avoiding a gas safety accident caused by an electric spark generated in the gas bellows pipeline due to electric leakage; on the other hand, by providing the warning light 30, when there is a potential difference between the connection end of the gas bellows and the connection end of the gas water heater, the warning light 30 will be lit, thereby prompting the user. Thus, the safety is improved.

[0080] The electricity isolation wall pipe fitting 1 for gas provided by the present utility model has the following advantages: the device has a simple structure, is easy to manufacture, and is convenient for operation and installation.

[0081] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0082] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly illustrating the present utility model, rather than limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present utility model.

Claims

1. A gas-fired insulating wall pipe, characterized in that: Including connection components and safety components; The safety component is sleeved on the outer peripheral wall of the connecting component; The connection assembly includes an insulating shell, a first embedded component and a second embedded component, the insulating shell is surrounded by a rotating cavity, the first embedded component is embedded in the insulating shell, the first embedded component is communicated with the rotating cavity, one end of the second embedded component is embedded in the insulating shell, the other end of the second embedded component extends to the outside along the center line direction of the rotating cavity, the second embedded component is communicated with the rotating cavity, and an insulating partition is provided between the first embedded component and the second embedded component; The safety component is sleeved on the outer peripheral wall of the insulating shell, and at least one warning light for alarm prompt is arranged on the safety component. One end of the safety component is connected in series with the first embedded component, and the other end of the safety component is connected in series with the second embedded component.

2. The gas-fired electrical insulation wall pipe according to claim 1, characterized in that: The insulating housing comprises an externally threaded sleeve, a hollow hexagonal prism, a first sleeve and a second sleeve, one end of the externally threaded sleeve is connected to one end of the hollow hexagonal prism, one end of the hollow hexagonal prism away from the externally threaded sleeve is connected to one end of the first sleeve, and one end of the first sleeve away from the hollow hexagonal prism is connected to one end of the second sleeve; The externally threaded sleeve, the hollow hexagonal column, the first sleeve and the second sleeve are sequentially connected to form the rotating cavity; The safety component is sleeved on the second sleeve, the first sleeve is provided with at least one notch at one end facing the second sleeve, the second sleeve is provided with at least one notch on the outer wall at one end away from the first sleeve, the first end of the safety component is inserted into the notch and connected in series with the first embedded component, and the second end of the safety component is connected in series with the second embedded component through the notch.

3. The gas-fired electrical insulation wall pipe according to claim 2, characterized in that: The safety component comprises a first annular copper sheet, a second annular copper sheet and two circuit modules arranged opposite to each other, wherein the first annular copper sheet and the second annular copper sheet are arranged at intervals along the center line direction of the rotating cavity, one end of the two circuit modules are connected to the first annular copper sheet, and the other end of the two circuit modules are connected to the second annular copper sheet; The first annular copper sheet and the second annular copper sheet are both sleeved on the second sleeve, the first annular copper sheet is connected in series with the first embedded component, and the second annular copper sheet is connected in series with the second embedded component.

4. The gas-fired electrical insulation wall pipe according to claim 3, characterized in that: At least one contact boss is provided at one end of the first annular copper sheet away from the second annular copper sheet, and the contact boss extends outward along the center line direction of the first annular copper sheet. The contact boss is adapted to the notch, and the contact boss is arranged corresponding to the notch. The contact boss is inserted into the notch and is connected in series with the first embedded component.

5. The insulating wall pipe for gas according to claim 4, characterized in that: The second annular copper sheet is provided with at least one protrusion recessed radially inwardly along the second annular copper sheet, the notch is provided corresponding to the protrusion, and the protrusion is connected in series with the second embedded component.

6. The insulating wall pipe for gas according to claim 2, characterized in that: The first embedded component includes a cylinder and at least one connecting boss, the connecting boss is arranged on the outer peripheral wall close to one end of the cylinder facing the second embedded component, the connecting boss extends outward along the radial direction of the cylinder, the connecting boss is embedded in the first sleeve, the connecting boss is arranged corresponding to the notch, the first end of the safety component is inserted into the notch, and is in contact with the connecting boss in series; The cylinder is configured to form an installation cavity, and a stop flange is arranged in the installation cavity. The stop flange extends radially inwardly along the cylinder, and the stop flange divides the installation cavity into a first chamber and a second chamber. The first chamber is communicated with the second chamber, and an internal thread is provided on the inner circumferential wall of the first chamber. The gas water heater connection end is screwed into the first chamber, and the gas water heater connection end is threadedly connected to the cylinder, and a plurality of fixing grooves are provided on the inner circumferential wall of the second chamber. The plurality of fixing grooves are all recessed radially inwardly along the cylinder, and the plurality of fixing grooves are spaced apart along the center line direction of the cylinder.

7. The insulating wall pipe for gas according to claim 6, characterized in that: A plurality of first dovetail grooves are provided on the outer peripheral wall of the cylinder, the plurality of first dovetail grooves are all recessed inwardly along the radial direction of the cylinder, and the plurality of first dovetail grooves are arranged at intervals along the center line direction of the cylinder; A sealing groove is formed on the outer peripheral wall of one end of the cylinder body facing the second embedded component. The sealing groove is located at the bottom of the connecting boss. The sealing groove is recessed inwardly along the radial direction of the cylinder body. A sealing ring is arranged in the sealing groove.

8. The gas-fired electrical insulation wall pipe according to claim 2, characterized in that: The second embedded component includes a tube body and at least one mounting boss, the tube body is arranged to form an accommodating cavity, the mounting boss is arranged on the outer peripheral wall of the tube body, the mounting boss is embedded in the second sleeve, the mounting boss extends radially outwardly along the tube body, the mounting boss is matched with the notch, the mounting boss is arranged corresponding to the notch, the mounting boss is inserted into the notch, and the second end of the safety component is in contact with the mounting boss in series; One end of the tube body is embedded in the second sleeve, and the other end of the tube body extends to the outside along the center line direction of the tube body. An external thread is provided on the outer peripheral wall of the protruding end of the tube body, and the protruding end of the tube body is used to connect with the gas bellows.

9. The insulating wall pipe for gas according to claim 8, characterized in that: A plurality of second dovetail grooves are provided on the outer peripheral wall of one end of the tube body facing the first embedded component, the plurality of second dovetail grooves are all recessed inwardly along the radial direction of the tube body, the plurality of second dovetail grooves are arranged at intervals along the center line direction of the tube body, and a sealing member is arranged in each of the second dovetail grooves; A plurality of connecting grooves are formed on the inner peripheral wall of one end of the accommodating cavity facing the first embedded component. The plurality of connecting grooves are all recessed inwardly along the radial direction of the tube body and are spaced apart along the center line direction of the tube body.

10. The gas-fired electrical insulation wall pipe according to claim 1, characterized in that: The insulating partition is made of PE material.

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