Double-layer stainless steel pipe welding head
By designing a cylindrical main body connecting column and a precisely matched limiting safety plate for the double-layer stainless steel pipe welding head, the problems of low welding position accuracy and efficiency in the existing technology are solved, and the stability and strength are improved.
Patent Information
- Application Number
- CN202423179346.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-23
AI Technical Summary
When connecting existing double-layer stainless steel pipes, it is difficult to guarantee the accuracy of the welding position, requiring the cooperation of multiple components, resulting in low efficiency and poor welding uniformity.
A double-layer stainless steel pipe welding head is designed, which adopts a cylindrical main body combined with a connecting column and a precise matching limiting safety plate. The inner and outer pipes are precisely combined through the matching grooves on the upper and lower sides, providing reinforcement and limiting, and simplifying the welding operation.
This technology improves the stability and welding strength of the inner and outer tubes, increases welding efficiency, allows for rapid completion without auxiliary components, and enhances the processing efficiency and strength of the welding position.
Smart Images
Figure CN223572276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stainless steel pipe connecting technical field especially relates to a double -layer stainless steel pipe welding head. BACKGROUND
[0002] When the double -layer stainless steel pipe is connected, in order to improve the cooperation stability of inner and outer layer stainless steel pipe when connecting, the splicing position of the inner side and the splicing position of the outer tube are usually arranged at different connecting positions, which can guarantee that the cooperation safety of the whole in use is better, when the outer tube of the existing double -layer pipe is spliced, the welding position usually needs to cooperate with multiple components, and the cooperation precision of the connecting position is difficult to guarantee, and the auxiliary components are needed to position and cooperate the spliced components during welding, the efficiency of the whole welding cooperation is relatively low, and the welding uniformity of the welding position is also difficult to guarantee. SUMMARY
[0003] The utility model discloses a double -layer stainless steel pipe welding head, which can directly fit the inner tube of the double -layer pipe into the space at the center position during use, and the outer tube is precisely combined and placed through the cooperation groove on the upper and lower sides during splicing, and the placement position is placed through the precise cooperation limiting placement plate, so that the position stability during placement is better, and reinforcement and limiting cooperation can be provided during welding, so that the operation during welding is more convenient, auxiliary components are not needed for rapid welding operation, the overall processing efficiency of the welding position is higher, and the welding strength is more reliable.
[0004] The technical scheme of the utility model is as follows:
[0005] A double -layer stainless steel pipe welding head, characterized by comprising a cylindrical main body combination connecting column, the lower end of the main body combination connecting column is provided with an integrally formed combination stop connecting column, the cross section of the combination stop connecting column is a circular arc structure with an opening outward, the upper end center position of the main body combination connecting column is provided with a cylindrical second combination connecting groove, the lower end of the combination stop connecting column is provided with a cylindrical third combination connecting groove, the second combination connecting groove and the third combination connecting groove are connected through a main body conveying cooperation hole, the inner cylindrical surface of the main body conveying cooperation hole is provided with an integrally formed circular arc precision cooperation limiting safety plate, which is directed downward, the lower end of the precision cooperation limiting safety plate does not exceed the plane where the lower end surface of the combination stop connecting column is located.
[0006] Further, the upper end of the precision cooperation limiting safety plate is provided with a limiting cooperation reinforcing plate located inside the second combination connecting groove.
[0007] Further, the lower end surface of the combination stop connecting column is a horizontal plane structure.
[0008] Further, the lower end of the combined stop connecting column is provided with a welding combined connecting hole uniformly distributed in the circumference.
[0009] Further, the inner cylindrical surface of the main body conveying fitting hole coincides with the circular arc surface inside the combined stop connecting column.
[0010] The utility model discloses beneficial effect:
[0011] The utility model discloses when using can directly with the inside pipe of double -layer pipe and the space of central position suit, and the outside pipe is combined and is placed accurately through the cooperation groove of two sides when splicing, and the position is placed through the accurate cooperation limiting safety board of setting, can guarantee the positional stability of when placing better, can also provide reinforcement and limiting cooperation when welding simultaneously, makes the operation when welding more convenient, can carry out quick welding operation without cooperation auxiliary assembly, and the overall processing efficiency of welding position is higher, and welding strength is also more reliable. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0013] Figure 2 It is the front schematic diagram of the utility model;
[0014] Figure 3 It is the left side schematic diagram of the utility model;
[0015] Figure 4 It is the section schematic diagram of the utility model A-A position;
[0016] Figure 5 It is the overhead schematic diagram of the utility model;
[0017] Figure 6 It is the bottom view schematic diagram of the utility model;
[0018] Figure 7 It is the three -dimensional structure schematic diagram of the utility model second direction;
[0019] In the drawing: 1, main body combined connecting column, 2, combined stop connecting column, 3, second combined connecting groove, 4, third combined connecting groove, 5, main body conveying fitting hole, 6, accurate cooperation limiting safety board. DETAILED DESCRIPTION
[0020] As Figures 1 to 7As shown, a double-layer stainless steel pipe welding joint, which comprises a cylindrical main body combined connecting column 1, the lower end of the main body combined connecting column 1 is provided with an integrally formed combined stop connecting column 2, which can be combined and connected as the main stop matching structure during the installation and matching of the outer side in the later use. The cross section of the combined stop connecting column 2 is a circular arc structure with an opening outward, which ensures better combined tightness during the matching of the outer side, the space of the outer structure is larger, and the matching safety is better. The upper end of the main body combined connecting column 1 is provided with a cylindrical second combined connecting groove 3 at the center position, and the lower end of the combined stop connecting column 2 is provided with a cylindrical third combined connecting groove 4, which can splice and install the outer pipe of different double-layer pipes in the upward and downward direction. The second combined connecting groove 3 and the third combined connecting groove 4 are connected through the main body conveying matching hole 5, and the layer pipe is inserted and combined through this structure. The inner cylindrical surface of the main body conveying matching hole 5 is provided with an integrally formed circular arc precise matching limiting safety plate 6 which is directed downward, which can ensure better stability of the inner layer pipe during matching, and can provide precise limiting combination for the matching placement of the outer pipe. It can ensure better matching stability during placement and combination, and better position stability during welding processing of the outer layer pipe. The lower end of the precise matching limiting safety plate 6 does not exceed the plane where the lower end surface of the combined stop connecting column 2 is located. When in use, the inner pipe of the double-layer pipe can be directly sleeved and matched with the space at the center position, the outer pipe is precisely combined and placed through the matching grooves on the upper and lower sides during splicing, and the precise matching limiting plate is arranged at the placement position, which can ensure better position stability during placement, and also can provide reinforcement and limiting matching during welding, so that the operation during welding is more convenient, and auxiliary components are not needed for rapid welding operation, the overall processing efficiency of the welding position is higher, and the welding strength is more reliable.
[0021] As preferred, the upper end of the precise matching limiting safety plate 6 is provided with a limiting matching reinforcing plate located inside the second combined connecting groove 3, so that the matching connection strength of the upper end position during the placement of the outer layer pipe is higher, and the matching stability between the inner and outer pipes at the upper end position can be further improved.
[0022] As preferred, the lower end surface of the combined stop connecting column 2 is a horizontal plane structure, which can be matched and stopped during installation according to the structure of the outer side, so that the combined operation during overall installation and matching in the later use is more convenient.
[0023] As preferred, the lower end of the combined stop connecting column 2 is provided with a welding combined connecting hole which is uniformly distributed in the circumference, which can be matched with this structure for convenient welding matching during the matching of the outer structure, and the combined operation during connection is more convenient.
[0024] Preferably, the inner cylindrical surface of the main body delivery fitting hole 5 coincides with the arc surface inside the combined stop connecting column 2, ensuring better flatness of the inside position and better tightness when fitting and placing the inner layer pipe.
[0025] The above is the preferred embodiment of the present application. It should be noted that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements or replacements can be made, which should also be considered within the scope of the present application.
Claims
1. A double-layer stainless steel pipe welding joint, characterized in that: The system includes a cylindrical main body connecting column (1), with an integrally formed combined stop connecting column (2) at the lower end of the main body connecting column (1). The cross-section of the combined stop connecting column (2) is an arc-shaped structure with an opening facing outwards. A cylindrical second combined connecting groove (3) is provided at the center of the upper end of the main body connecting column (1), and a cylindrical third combined connecting groove (4) is provided at the lower end of the combined stop connecting column (2). The second combined connecting groove (3) and the third combined connecting groove (4) are connected through a main body conveying mating hole (5). An integrally formed arc-shaped precision mating limiting safety plate (6) facing downwards is provided on the inner cylindrical surface of the main body conveying mating hole (5). The lower end of the precision mating limiting safety plate (6) does not exceed the plane where the lower end face of the combined stop connecting column (2) is located.
2. The double-layer stainless steel pipe welding joint according to claim 1, characterized in that: The upper end of the precision fit limiting safety plate (6) is provided with a limiting fit reinforcement plate located inside the second combined connecting groove (3).
3. The double-layer stainless steel pipe welding joint according to claim 1, characterized in that: The lower end face of the combined stop connecting column (2) is a horizontal structure.
4. The double-layer stainless steel pipe welding joint according to claim 1, characterized in that: The lower end of the combined stop connecting column (2) is provided with welded combined connecting holes evenly distributed around the circumference.
5. The double-layer stainless steel pipe welding joint according to claim 1, characterized in that: The inner cylindrical surface of the main conveying mating hole (5) coincides with the arc surface inside the combined stop connecting column (2).