CN219026259U - Novel contact nozzle seat - Google Patents

Novel contact nozzle seat Download PDF

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Publication number
CN219026259U
CN219026259U CN202223237929.5U CN202223237929U CN219026259U CN 219026259 U CN219026259 U CN 219026259U CN 202223237929 U CN202223237929 U CN 202223237929U CN 219026259 U CN219026259 U CN 219026259U
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CN
China
Prior art keywords
connecting section
air outlet
contact tip
outlet holes
internal thread
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Application number
CN202223237929.5U
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Chinese (zh)
Inventor
张金路
毛蒙
卢西亮
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Jinan North Welding Tools Co ltd
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Jinan North Welding Tools Co ltd
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Priority to CN202223237929.5U priority Critical patent/CN219026259U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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Abstract

The utility model discloses a novel conductive nozzle seat, wherein a conductive nozzle is arranged at the front end of a gun neck through the conductive nozzle seat, the conductive nozzle seat sequentially comprises a first connecting section, a second connecting section and a third connecting section along the direction far away from the conductive nozzle, the inner side of the first connecting section is provided with a first internal thread matched with the conductive nozzle, and the first internal thread is a trapezoidal thread; the second connecting section is provided with a plurality of first air outlet holes which are uniformly distributed along the circumferential direction of the second connecting section, and the inner side of the second connecting section is provided with a second internal thread matched with the gun neck; the inner side of the third connecting section is provided with a third internal thread with the inner diameter being the same as that of the second internal thread, the third connecting section is provided with second air outlet holes, the number of the second air outlet holes is the same as that of the first air outlet holes, the outer wall of the third connecting section is provided with a diversion trench connected with the second air outlet holes, and the extending direction of the diversion trench is the same as that of the conducting nozzle seat so as to play a role in diversion on the gas exhausted by the second air outlet holes.

Description

Novel contact nozzle seat
Technical Field
The utility model belongs to the technical field of welding, and particularly relates to a novel conductive nozzle seat.
Background
The gas shielded welding gun uses argon or argon-rich protective gas as a protective medium, and adopts arc welding with a meltable welding wire continuously fed and an electric arc burnt between welding wire workpieces as a heat source, so that the welding quality is stable and reliable, and the method is most suitable for welding nonferrous metal medium plates such as aluminum, copper, titanium and alloys thereof, and is also suitable for welding stainless steel, heat-resistant steel, low alloy steel and the like.
The main principle of gas shielded welding of a consumable electrode is that a gun head is connected with a protective gas source, a welding wire is used as an electrode in the center, the welding wire is conveyed by a wire feeding mechanism to be welded while the welding wire is melted, and a conductive nozzle is utilized to guide and conduct the welding wire during working. Because the contact tip and the contact tip seat are positioned near the welding pool during welding, the contact tip seat is severely irradiated by high temperature, and the contact tip seat and the contact tip and the gun neck on two sides of the contact tip seat are easily heated and deformed to adhere together, so that the contact tip seat is damaged.
Disclosure of Invention
In order to overcome the defects, the utility model provides the novel conductive nozzle seat, wherein the first internal thread, the second internal thread and the third internal thread in the conductive nozzle seat are all trapezoidal threads, so that the heating deformation resistance is improved, and the adhesion between the conductive nozzle seat and the connection parts of the conductive nozzles and gun necks at two sides of the conductive nozzle seat is avoided. The first air outlet hole and the second air outlet hole are formed in the conducting nozzle seat so as to cool the conducting nozzle seat, reduce the thermal deformation degree of the conducting nozzle seat and play a role in cooling and protecting the conducting nozzle seat.
The utility model is realized by the following technical scheme:
the novel contact tip seat is characterized in that a contact tip is mounted to the front end of a gun neck through the contact tip seat, the contact tip seat sequentially comprises a first connecting section, a second connecting section and a third connecting section along the direction away from the contact tip, a first internal thread matched with the contact tip is arranged on the inner side of the first connecting section, and the first internal thread is a trapezoidal thread so as to increase the heat-receiving deformation resistance of the first internal thread; the second connecting section is provided with a plurality of first air outlet holes which are uniformly distributed along the circumferential direction of the second connecting section, the inner side of the second connecting section is provided with second internal threads matched with the gun neck, and the second internal threads are trapezoidal threads; the inboard of third linkage segment has the third internal thread that the internal diameter is the same with the second internal thread, and the second venthole has been seted up to the third linkage segment, and the second venthole is the same with the quantity of first venthole and along the circumference evenly distributed of third linkage segment to carry out cooling to the electric conduction mouth seat, the guiding gutter of connecting the second venthole has been seted up to the outer wall of third linkage segment, and the extending direction of guiding gutter is the same with the extending direction of electric conduction mouth seat, in order to play the water conservancy diversion effect to the gaseous exhaust of second venthole.
Further, along the extending direction of the conducting nozzle seat, the first air outlet holes and the second air outlet holes are distributed in a staggered mode, and the phenomenon that the flow of air is influenced due to collision between the air flow flowing out of the first air outlet holes and the air flow flowing out of the second air outlet holes is avoided.
Further, the outer diameters of the first connecting section, the second connecting section and the third connecting section are sequentially increased in a stepwise manner, so that the flowing areas of the air flow flowing out of the first air outlet hole and the air flow flowing out of the second air outlet hole are staggered, and interaction between the two air flows is reduced.
Further, in the cross section of the contact tip seat, the radius of the circular arc where the bottom of the diversion trench is located is larger than the outer diameter of the second connection section, so that the airflow flowing out along the diversion trench is not blocked by the second connection section.
Further, an annular air groove is formed in the inner side of the third connecting section and is communicated with each second air outlet hole, so that air flow in the third connecting section is discharged from the second air outlet holes.
Further, the inner diameter of the first internal thread is smaller than the inner diameter of the second internal thread, the thickness of the first connecting section is larger than that of the second connecting section, and the first connecting section has stronger heat deformation resistance than the second connecting section.
Further, a first conical buffer section is arranged at the joint of the first connecting section and the second connecting section and used for enhancing the connection strength of the first connecting section and the second connecting section; the joint of the second connecting section and the third connecting section is provided with a second conical buffer section for reinforcing the connection strength of the second connecting section and the third connecting section.
Drawings
FIG. 1 is a schematic view illustrating the construction of an exemplary embodiment of a novel contact tip holder according to the present utility model;
FIG. 2 is a front view illustrating an exemplary embodiment of a novel contact tip holder of the present utility model;
fig. 3 is a cross-sectional view illustrating an exemplary embodiment of a novel contact tip holder of the present utility model.
Reference numerals:
1. a first connection section; 11. a first internal thread; 2. a second connection section; 21. a first air outlet hole; 22. a second internal thread; 3. a third connecting section; 31. a third internal thread; 32. a second air outlet hole; 33. a diversion trench; 34. an annular air groove; 4. a first conical buffer section; 5. and a second conical buffer section.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.
In addition, the dynamic terms such as "relative movement" in the embodiments of the present utility model include not only a change in position but also a movement in which a state is changed without a relative change in position such as rotation or rolling.
Finally, it is noted that when an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
As shown in fig. 1 to 3, a novel contact tip seat is arranged at the front end of a gun neck through the contact tip seat, the contact tip seat sequentially comprises a first connecting section 1, a second connecting section 2 and a third connecting section 3 along the direction far away from the contact tip, a first internal thread 11 matched with the contact tip is arranged on the inner side of the first connecting section 1, and the first internal thread 11 is a trapezoidal thread so as to increase the heat deformation resistance of the first internal thread 11; the second connecting section 2 is provided with a first air outlet hole 21, and the first air outlet holes 21 are provided with a plurality of air outlets and are uniformly distributed along the circumferential direction of the second connecting section 2, so that the air flow in the first air outlet holes 21 uniformly cools the second connecting section 2. The inner side of the second connecting section 2 is provided with a second internal thread 22 matched with the gun neck, and the second internal thread 22 is a trapezoidal thread; the third connecting section 3 is provided with third internal threads 31 with the same inner diameter as the second internal threads 22 on the inner side, the third connecting section 3 is provided with second air outlet holes 32, and the second air outlet holes 32 and the first air outlet holes 21 are equal in number and uniformly distributed along the circumferential direction of the third connecting section 3 so as to uniformly cool the contact tip seat. The outer wall of the third connecting section 3 is provided with a diversion trench 33 connected with the second air outlet hole 32, and the extending direction of the diversion trench 33 is the same as that of the conductive nozzle seat so as to play a role in diversion of air exhausted from the second air outlet hole 32.
In one embodiment, the contact tip seat is provided with a first internal thread 11, a second internal thread 22 and a third internal thread 31, wherein the second internal thread 22 and the third internal thread 31 are integrally formed and are matched with the gun neck. The first internal thread 11 is engaged with the contact tip for connecting and fixing the contact tip. The first internal thread 11, the second internal thread 22 and the third internal thread 31 are trapezoidal threads, the trapezoidal threads are adopted to help to improve the heating deformation resistance of the contact tip seat, weaken the adhesion degree of the contact tip seat and the contact tips and gun necks on two sides of the contact tip seat, and facilitate the disassembly and assembly of the contact tip seat.
In one embodiment, the shielding gas is delivered from the neck through the nozzle mount to the nozzle. After the air flow enters the third connecting section 3 of the contact tip seat, a part of air is discharged from the second air outlet hole 32, and the other part of air is discharged from the first air outlet hole 21 after being conveyed to the second connecting section 2. The air flow discharged from the second air outlet hole 32 continues to move along the flow guide groove 33 in a direction approaching the contact tip. The outer walls of the contact tip and the contact tip seat are sleeved with the spray pipe, an air flow channel is arranged between the contact tip seat and the spray pipe, and air flow in the air flow channel flows to the outside along the contact tip seat and the contact tip. The air flow discharged from the second air outlet is mixed with the air flow in the air flow passage and moves along the flow guide groove 33 in a direction approaching the first connection section 1. The air flow discharged from the first air outlet is mixed with the air flow in the air flow passage and moves in a direction approaching the first connection section 1.
Preferably, along the extending direction of the contact tip seat, the first air outlet holes 21 and the second air outlet holes 32 are distributed in a staggered manner, so that the air flow flowing out of the first air outlet holes 21 is prevented from being impacted by the air flow flowing out of the second air outlet holes 32 to influence the flow of the air flow.
In an embodiment, the air flow discharged from the first air outlet hole 21 and the air flow discharged from the second air outlet hole 32 move towards the direction close to the contact tip, so that the first air outlet hole 21 and the second air outlet hole 32 are staggered to avoid collision of two air flows, and the flow path of the air flow flowing out of the first air outlet hole 21 is not overlapped with the flow path of the air flow flowing out of the second air outlet hole 32, so that the flow speed of the air flow in the air flow channel is conveniently kept.
Preferably, the outer diameters of the first connecting section 1, the second connecting section 2 and the third connecting section 3 are sequentially increased in a stepwise manner, so that the flow areas of the air flow flowing out of the first air outlet hole 21 and the air flow flowing out of the second air outlet hole 32 are staggered, and the interaction between the two air flows is reduced.
In an embodiment, when seen along the extending direction of the contact tip seat, the airflow flowing out of the first air outlet hole 21 is different from the airflow flowing out of the second air outlet hole 32 in a circle layer, that is, the position of the airflow flowing out of the first air outlet hole 21 is on the circle layer with a radius slightly larger than that of the second connecting section 2, and the position of the airflow flowing out of the second air outlet hole 32 is on the circle layer with a radius slightly larger than that of the third connecting section 3, so that the mutual influence of two airflows is further reduced.
Preferably, in the cross section of the contact tip holder, the radius of the circular arc where the bottom of the flow guiding groove 33 is located is larger than the outer diameter of the second connecting section 2, so that the air flow flowing out along the flow guiding groove 33 is not hindered by the second connecting section 2, i.e. when the air flow discharged from the second air outlet hole 32 flows along the flow guiding groove 33, the flowing direction of the air flow is not hindered by the second connecting section 2.
Preferably, an annular air groove is formed in the inner side of the third connecting section 3 and is communicated with each second air outlet hole 32, so that air flow in the third connecting section 3 is discharged from the second air outlet holes 32.
In an embodiment, the air flow in the third connecting section 3 surrounds the inner wall of the third connecting section 3, and the air outlet holes are only provided with a fixed number, so that in order to ensure that the air in the third connecting section 3 can be more discharged from the second air outlet, an annular air groove is arranged to increase the fluidity of the air, and the amount of the air flowing out of the second air outlet holes 32 is increased.
Preferably, the first internal thread 11 has an inner diameter smaller than that of the second internal thread 22, and the first connecting section 1 has a thickness greater than that of the second connecting section 2, and the first connecting section 1 has a higher resistance to thermal deformation than the second connecting section 2. Since the first connecting section 1 is closer to the bath than the second connecting section 2, the temperature influence is greater, and therefore the thickness of the first connecting section 1 is increased.
Preferably, the joint of the first connecting section 1 and the second connecting section 2 is provided with a first conical buffer section 4 for enhancing the connection strength of the first connecting section 1 and the second connecting section 2; the joint of the second connecting section 2 and the third connecting section 3 is provided with a second conical buffer section 5 for reinforcing the connection strength of the second connecting section 2 and the third connecting section 3.
When adopting above-mentioned novel contact tip seat, through all setting up first internal thread 11, second internal thread 22 and third internal thread 31 in the contact tip seat as trapezoidal screw thread, increased the thermal resistance deformation ability, avoid contact tip seat and the junction emergence adhesion of contact tip and rifle neck of its both sides. The first air outlet hole 21 and the second air outlet hole 32 are formed in the conducting nozzle seat so as to cool the conducting nozzle seat, reduce the thermal deformation degree of the conducting nozzle seat and play a role in cooling and protecting the conducting nozzle seat.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (7)

1. Novel contact tip seat, contact tip pass through contact tip seat and install to rifle neck front end, its characterized in that, along the direction of keeping away from the contact tip, contact tip seat includes in proper order:
the inner side of the first connecting section is provided with a first internal thread matched with the conductive nozzle, and the first internal thread is a trapezoidal thread;
the second connecting section is provided with a plurality of first air outlet holes which are uniformly distributed along the circumferential direction of the second connecting section, the inner side of the second connecting section is provided with second internal threads matched with the gun neck, and the second internal threads are trapezoidal threads;
the inner side of the third connecting section is provided with third internal threads with the inner diameter being the same as that of the second internal threads, the third connecting section is provided with second air outlet holes, the number of the second air outlet holes is the same as that of the first air outlet holes and the second air outlet holes are uniformly distributed along the circumference of the third connecting section, the outer wall of the third connecting section is provided with guide grooves connected with the second air outlet holes, and the extending direction of the guide grooves is the same as that of the conducting nozzle seat.
2. The novel contact tip holder of claim 1, wherein said first and second air outlet holes are staggered along an extension direction of said contact tip holder.
3. The novel contact tip holder of claim 1, wherein the outer diameters of said first, second and third connecting segments increase stepwise in sequence.
4. The novel contact tip holder of claim 1, wherein in the cross section of said contact tip holder, the radius of the circular arc at the bottom of said flow guide groove is greater than the outer diameter of said second connecting section.
5. The novel contact tip holder of claim 1, wherein an annular air channel is formed inside said third connecting section, said annular air channel being in communication with each of said second air outlet holes.
6. The novel contact tip holder of claim 1, wherein said first internal thread has an inner diameter less than an inner diameter of said second internal thread, and said first connecting section has a thickness greater than a thickness of said second connecting section.
7. The novel contact tip holder of claim 1, wherein said first connecting segment and said second connecting segment have a first tapered buffer segment and said second connecting segment and said third connecting segment have a second tapered buffer segment.
CN202223237929.5U 2022-12-01 2022-12-01 Novel contact nozzle seat Active CN219026259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223237929.5U CN219026259U (en) 2022-12-01 2022-12-01 Novel contact nozzle seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223237929.5U CN219026259U (en) 2022-12-01 2022-12-01 Novel contact nozzle seat

Publications (1)

Publication Number Publication Date
CN219026259U true CN219026259U (en) 2023-05-16

Family

ID=86289155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223237929.5U Active CN219026259U (en) 2022-12-01 2022-12-01 Novel contact nozzle seat

Country Status (1)

Country Link
CN (1) CN219026259U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A new type of conductive nozzle holder

Granted publication date: 20230516

Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch

Pledgor: JINAN NORTH WELDING TOOLS Co.,Ltd.

Registration number: Y2024980017154

PE01 Entry into force of the registration of the contract for pledge of patent right