CN211262371U - Meter joint welding structure of intelligent gas meter shell of Internet of things - Google Patents
Meter joint welding structure of intelligent gas meter shell of Internet of things Download PDFInfo
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- CN211262371U CN211262371U CN201921914481.1U CN201921914481U CN211262371U CN 211262371 U CN211262371 U CN 211262371U CN 201921914481 U CN201921914481 U CN 201921914481U CN 211262371 U CN211262371 U CN 211262371U
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Abstract
The utility model discloses a meter connector welding structure of an intelligent gas meter shell of the Internet of things, which comprises a connector body and a gasket welded with the connector body, wherein a first convex ring is arranged at one end of the connector body welded with the gasket, and a second convex ring is arranged on one side surface of the gasket; the first convex ring and the second convex ring are matched with each other. An object of the utility model is to provide a table of thing networking intelligence gas meter case connects welded structure to the higher problem of rejection rate when the table of solving among the prior art gas meter case connects and the packing ring welds realizes improving welding tightness and stability, reduces the purpose of rejection rate.
Description
Technical Field
The utility model relates to a gas table shell production field, concretely relates to table of thing networking intelligence gas table shell connects welded structure.
Background
The gas meter shell of the Internet of things is an installation tool for a valve core, a metering component and the like of a gas meter and is an essential component of the gas meter, and each user terminal needs to be used, so that the demand is extremely high. The gas meter shell of the Internet of things is provided with a meter connector connected with a gas pipeline, and a gasket is required to be connected to the meter connector. The more advanced washer connection mode among the prior art adopts resistance welding to weld, wherein sets up the round flange on table connects, directly carries out resistance welding with the gasket and flange can. However, enough tightness must be guaranteed for welding the gas meter connector, pressure-bearing experiments are needed to verify sealing after welding is completed, and otherwise, great potential safety hazards are generated during use. The existing welding mode still has the rejection rate of about 8% -10%.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a table of thing networking intelligence gas meter case connects welded structure to the higher problem of rejection rate when the table of solving among the prior art gas meter case connects and the packing ring welds realizes improving welding tightness and stability, reduces the purpose of rejection rate.
The utility model discloses a following technical scheme realizes:
the meter connector welding structure of the intelligent gas meter shell of the Internet of things comprises a connector body and a gasket welded with the connector body, wherein a first convex ring is arranged at one end, welded with the gasket, of the connector body, and a second convex ring is arranged on one side, close to the first convex ring, of the gasket; the first convex ring and the second convex ring are matched with each other.
The higher problem of rejection rate when the meter connector to among the prior art gas meter case welds with the packing ring, the utility model provides a thing networking intelligence gas meter case's meter connector welded structure, in current thing networking gas meter case installation, need weld body and gas meter case with connecting, the utility model discloses add the supplementary welding of packing ring to set up first bulge loop on connecting the body, set up the second bulge loop on the packing ring, wherein first bulge loop and second bulge loop match each other, mean that both can the mutual contact cooperation in welding process, the current transmission medium as resistance welding jointly is by common fusion welding. The utility model discloses during the use, at first place the packing ring on welding electrode down, later embolia gas meter case again, the packing ring exposes in gas meter case's trompil (air inlet or gas outlet), later to packing into the joint body in the trompil, can push down welding electrode and carry out resistance welding operation, with the common weld forming of thing networking gas meter case, joint body and packing ring. The utility model discloses a cooperation of first bulge loop and second bulge loop compares in traditional welded structure, can show the current density who increases the face of weld in resistance welding process, save the consumption, first bulge loop is the loop configuration with the second bulge loop simultaneously, whole week material butt fusion is in the same place, compare with prior art and appear the probability of welding blind spot and show the reduction, thereby improved the welding effect, guaranteed the leakproofness, the rejection rate when the table joint of thing networking gas meter case and packing ring welding has been reduced.
Furthermore, the first convex ring and the second convex ring are circular rings with the same inner diameter; when the meter connector of the gas meter shell is welded, the first convex ring and the second convex ring are opposite to each other. Thereby ensuring no welding break point in the whole circle and ensuring the whole welding of the whole circumference material.
Further, the first convex ring and the flange are integrally formed, and the second convex ring and the gasket are integrally formed. The integral molding is a structure which is integrally molded in a manufacturing process, and is preferably integrally cast. In addition, any existing integrated forming manufacturing process can be suitable for the scheme.
Furthermore, the cross section of the first convex ring is in a right trapezoid shape, the top edge of the right trapezoid faces the direction of the gasket, and the right-angle edge of the right trapezoid faces outwards. The cross section of the second convex ring is triangular, and one vertex angle end of the triangle faces to the direction of the flange. The right-angle side faces outwards, namely the right-angle side is located on the radially outward side of the first convex ring. The top side of the right trapezoid in the scheme refers to one side with shorter length in two parallel sides of the right trapezoid. Right trapezoid's right-angle side is outwards, then its hypotenuse is inwards, when cooperating with the second bulge loop, is favorable to cooperating with a right-angle side on the second bulge loop cross section, improves cooperation stability, rocks the risk such as drops in the reduction welding process.
Furthermore, the vertex angle of the triangle towards the direction of the first convex ring is set to be a round angle. The terminal surface of the first bulge loop of being convenient for and the terminal surface smooth contact of second bulge loop are favorable to automatic allotment cooperation position under the action of gravity, reduce the bite risk, can also reduce the mutual wearing and tearing of first bulge loop and second bulge loop before the welding simultaneously, ensure that the electric current of face of weld is steady even to this makes the welding result even stable.
Further, when the gasket is welded with the joint body, the intersection point of the top edge and the bevel edge of the right trapezoid formed by the first convex ring is opposite to one vertex angle of the triangle formed by the second convex ring. Through the setting in this scheme, when exerting pressure to the packing ring, the summit of the top edge right angled triangle that staggers of first bulge loop is to the outside slip, make first bulge loop form two concentric circles rings including the tight centre gripping of second bulge loop, weld under this state, whole circle solder joint position is all including being wrapped by first bulge loop, not only can show improvement welding stability, can also accomplish the back through first bulge loop auxiliary seal at the welding, further improve sealed effect, reduce the rejection rate because of the not good result in of sealing performance.
Further, the first convex ring and the second convex ring have the same height in the axial direction of the joint body.
An electric resistance welding method of a meter connector welding structure of an intelligent gas meter shell of the Internet of things comprises the following steps:
mounting a gasket on the lower welding electrode;
installing an Internet of things gas meter shell, so that an opening of the Internet of things gas meter shell is opposite to the lower welding electrode;
placing a joint body into an opening of a gas meter shell of the Internet of things, and enabling a first convex ring on the joint body to be in contact with a second convex ring on a gasket;
the upper welding electrode is aligned with the lower welding electrode and pressed downwards for resistance welding, and the gas meter shell, the gasket and the joint body are welded into a whole.
Compared with the traditional welding structure of the surface connector of the gas meter shell, the welding structure has the advantages that the current density of a welding surface can be obviously increased in the resistance welding process, the power consumption is saved, meanwhile, the probability of welding blind spots is obviously reduced compared with the prior art, the welding effect is improved, the sealing performance is ensured, the rejection rate of the welding of the surface connector of the gas meter shell of the Internet of things and the gasket is reduced, and therefore compared with the prior art, the method has prominent substantive characteristics and obvious progress.
Furthermore, the number of the lower welding electrodes is two, and the lower welding electrodes are respectively matched with the air inlet and the air outlet of the gas meter shell. The gas meter is characterized in that gaskets are respectively placed on the two lower welding electrodes, then the gas meter shell is sleeved, the two gaskets are respectively exposed from a gas inlet and a gas outlet of the gas meter shell, then joint bodies are arranged on the gas inlet and the gas outlet of the gas meter shell, and the two joint bodies are respectively subjected to resistance welding through the upper welding electrodes.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses thing networking intelligence gas meter case's table connects welded structure, cooperation through first bulge loop and second bulge loop, compare in traditional welded structure, can show the current density of increase face of weld in resistance welding process, the power consumption is saved, first bulge loop is the loop configuration with the second bulge loop simultaneously, whole week material butt fusion is in the same place, compare the probability that the welding blind spot appears with prior art and show and reduce, thereby welding effect has been improved, the leakproofness has been guaranteed, the rejection rate when thing networking gas meter case's table connects and the gasket welding has been reduced.
2. The utility model discloses thing networking intelligence gas meter case's table connector welded structure can improve cooperation stability, rocks the risk such as drop in the reduction welding process.
3. The utility model discloses thing networking intelligence gas meter case's table connects welded structure, through first bulge loop auxiliary seal after the welding is accomplished, further improve sealed effect, reduce the rejection rate because of the not good result in of sealing performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a cross-sectional view of a fitting body through an axis in an embodiment of the invention;
FIG. 2 is a top view of a gasket in an embodiment of the invention;
FIG. 3 is a cross-sectional view of a washer through an axis in an embodiment of the present invention;
FIG. 4 is a sectional view of the embodiment of the present invention before welding;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic view of the operation flow of the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
the gas meter connector comprises a connector body 1, a first convex ring 101, a gasket 2, a second convex ring 201 and a gas meter shell of the Internet of things 3.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
the meter connector welding structure of the internet of things intelligent gas meter shell as shown in fig. 1 to 4 comprises a connector body 1 and a gasket 2, wherein a first convex ring 101 is arranged at one end of the connector body 1 welded with the gasket 2, and a second convex ring 201 is arranged on the surface of one side of the gasket 2; the first male ring 101 and the second male ring 201 are matched with each other. In the electric resistance welding process, the first convex ring 101 and the second convex ring 201 are welded together by the materials around, so that the internet of things gas meter shell 3, the joint body 1 and the gasket 2 are welded into an integral structure.
The embodiment passes through the addendum of packing ring 2 to first bulge loop 101 and second bulge loop 201's combined action is showing the current density that increases the electric resistance and welds the face of weld among the welding process, saves the consumption, and because first bulge loop 101 is in the same place with the whole week material butt fusion of second bulge loop 201, the difficult welding blind spot that appears has so improved the welding effect, has guaranteed the leakproofness.
Example 2:
as shown in fig. 1 to 4, on the basis of embodiment 1, the first convex ring 101 and the second convex ring 201 are circular rings with the same inner diameter, and after the assembly is completed, the first convex ring 101 and the second convex ring 201 are opposite to each other. When the meter connector of the gas meter shell is welded, the first convex ring 101 and the second convex ring 201 are opposite to each other. This embodiment can ensure that whole circle does not have the welding breakpoint, ensures the whole butt fusion of whole week material.
In a more preferred embodiment, the first collar 101 and the joint body 1 are integrally cast by a dedicated mold, and the second collar 201 and the gasket 2 are integrally cast by a dedicated mold.
In this embodiment, the heights of the first convex ring 101 and the second convex ring 201 in the axial direction of the joint body 1 are equal and are both 0.5 mm. The width of the first projecting ring 101 in the radial direction is 1mm, and the width of the second projecting ring 201 in the radial direction is also 1 mm.
The resistance welding process based on the structure in the embodiment is as follows:
installing two gaskets 2 on the two lower welding electrodes respectively; installing an internet of things gas meter shell 3, enabling a gas inlet and a gas outlet of the internet of things gas meter shell 3 to be respectively opposite to the two lower welding electrodes, and enabling the two gaskets to be respectively exposed out of the gas inlet and the gas outlet of the internet of things gas meter shell 3; the connector body 1 is placed into an air inlet and an air outlet of the Internet of things gas meter shell 3, so that a first convex ring 101 on the connector body 1 is opposite to a second convex ring 201 on the gasket 2; then, adjusting an upper welding electrode to be aligned with a lower welding electrode and pressed downwards, under the pressure action of the upper welding electrode, enabling the first convex ring 101 to be in contact with the second convex ring 201, discharging to perform resistance welding, and welding the housing 3 of the internet of things gas meter, the corresponding gasket 2 and the corresponding joint body 1 into a whole; then, the upper welding electrode is lifted to be aligned with the other lower welding electrode, and the other joint body 1 is welded by pressing; and after the welding is finished, taking out the welded gas meter shell.
Although the gas meter housing 3 has different gaskets for the gas inlet and the gas outlet, in this embodiment, the first protruding ring on the joint body and the second protruding ring on the gasket are matched to perform resistance welding in the same manner. That is, although the gasket structures adopted by the air inlet and the air outlet are different, the second convex rings matched with the corresponding first convex rings are arranged on the air inlet and the air outlet.
Resistance welding in this embodiment adopts intermediate frequency contravariant resistance welding technique, has the outstanding muscle of round on welded packing ring and the joint body respectively, first bulge loop 101 promptly, second bulge loop 201, and the diameter is the same, the current density of face of weld has been increased during the welding, the consumption has been saved, whole week material butt fusion is in the same place simultaneously, is showing and has improved sealed effect, the rejection rate has been reduced, through the utility model discloses people's experiment, adopt this application to carry out the resistance welding of gas meter shell and packing ring 2, waste product only has 2 in 100, the rejection rate can reduce to 2 promptly.
Example 3:
a more preferred embodiment is shown in fig. 5: on the basis of any of the above embodiments, the cross section of the first protruding ring 101 is in the shape of a right trapezoid, the top side of the right trapezoid faces the direction of the gasket 2, and the right side of the right trapezoid faces outwards. The cross section of the second protruding ring 201 is in the shape of a right triangle, and the right-angled end of the right triangle faces the direction of the flange. The right-angle end of the right-angle triangle is set to be a round angle. When the gasket 2 is fitted to the joint body 1, the intersection of the top edge and the hypotenuse of the right trapezoid formed by the first projecting ring 101 faces the vertex of the right triangle formed by the second projecting ring 201.
The top side of the right trapezoid in this embodiment refers to the side of the right trapezoid that is shorter than the two sides parallel to each other, i.e., the side on the lower side in fig. 5. Right trapezoid's right-angle side is outwards, then its hypotenuse is inwards, when cooperating with the second bulge loop, is favorable to cooperating with a right-angle side on the second bulge loop cross section, improves cooperation stability, rocks the risk such as drops in the reduction welding process.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The meter connector welding structure of the Internet of things intelligent gas meter shell comprises a connector body (1) and is characterized by further comprising a gasket (2) welded with the connector body (1), wherein a first convex ring (101) is arranged at one end, welded with the gasket (2), of the connector body (1), and a second convex ring (201) is arranged on one side, close to the first convex ring (101), of the gasket (2); the first convex ring (101) and the second convex ring (201) are matched with each other.
2. The meter joint welding structure of the housing of the internet of things intelligent gas meter as claimed in claim 1, wherein the first convex ring (101) and the second convex ring (201) are circular rings with equal inner diameters; when the meter connector of the gas meter shell is welded, the first convex ring (101) and the second convex ring (201) are opposite to each other.
3. The meter joint welding structure of the intelligent gas meter shell of the internet of things according to claim 1, wherein the first convex ring (101) is integrally formed with the joint body (1), and the second convex ring (201) is integrally formed with the gasket (2).
4. The surface connector welding structure of the intelligent gas meter shell of the Internet of things according to claim 1, wherein the cross section of the first convex ring (101) is in a right trapezoid shape, the top edge of the right trapezoid faces the direction of the gasket (2), and the right edge of the right trapezoid faces outwards.
5. The surface connector welding structure of the intelligent gas meter shell of the Internet of things according to claim 4, wherein the cross section of the second convex ring (201) is triangular, and one vertex angle end of the triangle faces to the direction of the flange.
6. The meter joint welding structure of the intelligent gas meter shell of the Internet of things according to claim 5, wherein the vertex angle of the triangle towards the direction of the first convex ring (101) is set to be a round angle.
7. The meter joint welding structure of the intelligent gas meter casing of the Internet of things according to claim 5, characterized in that when the gasket (2) is welded with the joint body (1), the intersection point of the top edge and the oblique edge of the right trapezoid formed by the first convex ring (101) is opposite to one vertex angle of the triangle formed by the second convex ring (201).
8. The meter joint welding structure of the intelligent gas meter shell of the internet of things according to claim 1, wherein the first convex ring (101) and the second convex ring (201) are equal in height in the axial direction of the joint body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914481.1U CN211262371U (en) | 2019-11-07 | 2019-11-07 | Meter joint welding structure of intelligent gas meter shell of Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921914481.1U CN211262371U (en) | 2019-11-07 | 2019-11-07 | Meter joint welding structure of intelligent gas meter shell of Internet of things |
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| CN211262371U true CN211262371U (en) | 2020-08-14 |
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| CN201921914481.1U Active CN211262371U (en) | 2019-11-07 | 2019-11-07 | Meter joint welding structure of intelligent gas meter shell of Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183526A (en) * | 2020-09-15 | 2022-03-15 | 成都秦川物联网科技股份有限公司 | Thing networking intelligent gas table vertical scroll sealing washer and discharging device thereof |
-
2019
- 2019-11-07 CN CN201921914481.1U patent/CN211262371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183526A (en) * | 2020-09-15 | 2022-03-15 | 成都秦川物联网科技股份有限公司 | Thing networking intelligent gas table vertical scroll sealing washer and discharging device thereof |
| CN114183526B (en) * | 2020-09-15 | 2023-11-14 | 成都秦川物联网科技股份有限公司 | Vertical shaft sealing ring of intelligent gas meter of Internet of things and discharging device of vertical shaft sealing ring |
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