CN215999186U - Resistance welding nut and end cone assembly - Google Patents
Resistance welding nut and end cone assembly Download PDFInfo
- Publication number
- CN215999186U CN215999186U CN202122495693.4U CN202122495693U CN215999186U CN 215999186 U CN215999186 U CN 215999186U CN 202122495693 U CN202122495693 U CN 202122495693U CN 215999186 U CN215999186 U CN 215999186U
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- extension
- nut
- welding
- outer ring
- resistance
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 55
- HSFWRNGVRCDJHI-UHFFFAOYSA-N acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000994 depressed Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a resistance welding nut, its includes the main part, to one side protrusion the first extension of main part and to the protrusion of opposite side the second extension of main part, resistance welding nut is including running through first extension the main part and the mounting hole of second extension, the periphery of first extension is equipped with the external screw thread, the main part is including the outer ring welding portion that is located its bottom, the second extension is including extending the protrusion the inner ring welding portion of outer ring welding portion, the inner ring welding portion is located the inboard of outer ring welding portion. The utility model also discloses an end awl subassembly of having above-mentioned resistance welds nut. Compared with the prior art, the utility model discloses a resistance welds nut and end awl subassembly includes outer ring weld part and inner ring weld part to welding gas tightness has been improved.
Description
Technical Field
The utility model relates to a resistance welds nut and end awl subassembly belongs to engine exhaust system technical field.
Background
Existing end cone assemblies typically include an end cone and a nut mounted on the end cone to mount the sensor. However, how to achieve the connection of the nut and the end cone is crucial. If the problems of air leakage and the like occur, the detection precision of the sensor is influenced if the problems are small, and the problem of discharge occurs if the problems are large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a welding better resistance of gas tightness welds nut and end awl subassembly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a resistance welding nut, its includes the main part, to one side protrusion the first extension of main part and to the protrusion of opposite side the second extension of main part, resistance welding nut is including running through first extension the main part and the mounting hole of second extension, the periphery of first extension is equipped with the external screw thread, the main part is including the outer ring welding portion that is located its bottom, the second extension is including extending the protrusion the inner ring welding portion of outer ring welding portion, the inner ring welding portion is located the inboard of outer ring welding portion.
As a further improved technical solution of the present invention, the inner ring welding portion includes a tapered welding surface located at the outer periphery.
As the utility model discloses further modified technical scheme, the main part includes the bottom surface and certainly the bottom surface to the sunken annular depressed part that forms of first extension, annular depressed part is located the inboard of outer loop weld part.
As a further improved technical solution of the present invention, the inner ring welding portion is located inside the annular recessed portion.
As a further improved technical solution of the present invention, the width of the main body portion is greater than the width of the first extension portion.
As a further improved technical solution of the present invention, the width of the main body portion is greater than the width of the second extension portion.
As a further improved technical scheme of the utility model, the mounting hole is the shoulder hole.
As a further improved technical scheme of the utility model, the main part is still including being located the outside and being used for alleviating the annular groove of welding deformation.
The utility model also discloses an end cone subassembly, it includes end cone and welded fastening in the resistance welding nut of end cone, the end cone includes the casing, the casing includes the through-hole that is used for installing the resistance welding nut and exposes in the internal face in the through-hole, the resistance welding nut is aforementioned resistance welding nut, the inner ring weld part is at least partly inserted in the through-hole, the inner ring weld part with internal face welded fastening to form first sealing; the outer ring welding part is welded and fixed with the shell to form a second seal.
As a further improved technical scheme of the utility model, the outer loop welding part supports on the casing.
Compared with the prior art, the utility model discloses a resistance welds nut and end awl subassembly includes outer ring weld part and inner ring weld part to welding gas tightness has been improved.
Drawings
Fig. 1 is a perspective view of an end cone assembly of the present invention in one embodiment.
Fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 3 is an exploded view of fig. 2.
Detailed Description
The present invention will be described in detail with reference to the drawings, wherein if there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers or symbols in different drawings represent the same or similar elements unless otherwise specified. The matters described in the following exemplary embodiments do not represent all embodiments of the present invention, but rather they are merely examples of products consistent with the present invention as recited in the claims of the present invention.
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1 to 3, the present invention discloses an end cone assembly 100, which includes an end cone 1 and a resistance welding nut 2 welded and fixed on the end cone 1. The end cone 1 includes a housing 11, and the housing 11 includes a through hole 111 for mounting the resistance welding nut 2 and an inner wall surface 112 exposed in the through hole 111.
The resistance welding nut 2 includes a body portion 20, a first extending portion 21 that protrudes from the body portion 20 toward one side, and a second extending portion 22 that protrudes from the body portion 20 toward the other side. The resistance welding nut 2 includes a mounting hole 23 penetrating the first extending portion 21, the body portion 20, and the second extending portion 22. In the illustrated embodiment of the present invention, the mounting hole 23 is a stepped hole.
The outer circumference of the first extension 21 is provided with an external thread 211.
The body portion 20 includes an outer ring weld 201 at the bottom thereof. The main body portion 20 includes a bottom surface 202 and an annular recessed portion 203 recessed from the bottom surface 202 toward the first extension portion 21, and the annular recessed portion 203 is located inside the outer ring welding portion 201. The width of the main body portion 20 is greater than the width of the first extension portion 21. The width of the main body portion 20 is greater than the width of the second extension portion 22. The main body 20 further includes an annular groove 204 located on the outer side for alleviating welding deformation, thereby improving the yield of the external thread 211 after welding.
The second extension 22 includes an inner ring welding part 221 extending to protrude the outer ring welding part 201, and the inner ring welding part 221 is located inside the outer ring welding part 201. Specifically, the inner ring weld 221 is located inside the annular recess 203. In the illustrated embodiment of the present invention, the inner ring welding part 221 includes a tapered welding surface 222 at the outer periphery.
The inner ring weld 221 is at least partially inserted into the through hole 111, and the tapered weld surface 222 can function as a self-positioning, thereby facilitating the assembly of the resistance welding nut 2. The inner ring welding part 221 is welded and fixed with the inner wall surface 112 to form a first seal; the outer ring welding portion 201 is welded and fixed to the upper surface of the housing 11 to form a second seal. In the illustrated embodiment of the present invention, the outer ring welding portion 201 is supported on the upper surface of the housing 11.
Compared with the prior art, the utility model discloses a resistance welds nut 2 and end awl subassembly 100 includes outer loop weld part 201 and inner ring weld part 221, has improved the welding gas tightness through double-deck sealed.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, and although the present specification has described the present invention in detail with reference to the above embodiments, the skilled personnel in the art should understand that the technical personnel in the technical field can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a resistance welding nut, its characterized in that includes the main part, to one side protrusion the first extension of main part and to the protrusion of opposite side the second extension of main part, resistance welding nut is including running through the mounting hole of first extension the main part and the second extension, the periphery of first extension is equipped with the external screw thread, the main part is including the outer ring welding portion that is located its bottom, the second extension is including extending the protrusion the inner ring welding portion of outer ring welding portion, the inner ring welding portion is located the inboard of outer ring welding portion.
2. A resistance weld nut as defined in claim 1, wherein: the inner ring weld includes a tapered weld face at an outer periphery.
3. A resistance weld nut as defined in claim 1, wherein: the main body portion comprises a bottom surface and an annular concave portion formed by the bottom surface in a concave mode towards the first extending portion, and the annular concave portion is located on the inner side of the outer ring welding portion.
4. A resistance weld nut as defined in claim 3, wherein: the inner ring welding part is positioned on the inner side of the annular concave part.
5. A resistance weld nut as defined in claim 1, wherein: the width of the main body part is larger than that of the first extension part.
6. A resistance weld nut as defined in claim 1, wherein: the width of the main body part is larger than that of the second extension part.
7. A resistance weld nut as defined in claim 1, wherein: the mounting hole is a stepped hole.
8. A resistance weld nut as defined in claim 1, wherein: the main body portion further comprises an annular groove located on the outer side and used for relieving welding deformation.
9. An end cone assembly comprising an end cone and an electric resistance weld nut welded to the end cone, the end cone comprising a housing, the housing comprising a through bore for mounting the electric resistance weld nut and an inner wall surface exposed within the through bore, wherein the electric resistance weld nut is as claimed in any one of claims 1 to 8, the inner ring weld is at least partially inserted into the through bore, and the inner ring weld is welded to the inner wall surface to form a first seal; the outer ring welding part is welded and fixed with the shell to form a second seal.
10. The end cone assembly of claim 9 wherein: the outer ring weld is supported on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495693.4U CN215999186U (en) | 2021-10-15 | 2021-10-15 | Resistance welding nut and end cone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495693.4U CN215999186U (en) | 2021-10-15 | 2021-10-15 | Resistance welding nut and end cone assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215999186U true CN215999186U (en) | 2022-03-11 |
Family
ID=80583677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122495693.4U Active CN215999186U (en) | 2021-10-15 | 2021-10-15 | Resistance welding nut and end cone assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215999186U (en) |
-
2021
- 2021-10-15 CN CN202122495693.4U patent/CN215999186U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |