CN109546398B - Welding gun cable joint, connecting assembly and connecting method for air cooler - Google Patents
Welding gun cable joint, connecting assembly and connecting method for air cooler Download PDFInfo
- Publication number
- CN109546398B CN109546398B CN201811495379.2A CN201811495379A CN109546398B CN 109546398 B CN109546398 B CN 109546398B CN 201811495379 A CN201811495379 A CN 201811495379A CN 109546398 B CN109546398 B CN 109546398B
- Authority
- CN
- China
- Prior art keywords
- cable
- air cooler
- welding gun
- cone
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 title claims description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
- H01R13/5808—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part formed by a metallic element crimped around the cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
- H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a gun cable connector for an air cooler, a connecting assembly and a connecting method, wherein the gun cable connector for the air cooler comprises a connector body; the connector body sequentially comprises an extending part, a contact part and a tail part from front to back; the middle part of the contact part is provided with a cone with gradually reduced outer diameter; the axial center of the connector body is provided with a protective gas channel penetrating through the front end face and the rear end face of the connector body. The middle part of the contact part of the cable connector is provided with the cone, under the condition of locking the hoop, the cable connector and the copper conductor are in a conical surface locking state, the locking effect is enhanced under the action of external force torsion, the phenomenon that the cable is loosened is further prevented, the complex and changeable cable torsion and pulling under different working conditions can be dealt with, and the connection of the cable and the connector is ensured to be safe and reliable within the rated service life.
Description
Technical Field
The invention relates to the technical field of gun cable connection for air coolers, in particular to a gun cable connector for air coolers, a connecting assembly and a connecting method.
Background
The welding gun for the air-cooled machine is welding equipment for cooling by utilizing the expansion heat absorption of shielding gas, and is widely used in the welding field due to the simple structure and the light volume. The main component for connecting the air-cooled welding gun and the welding machine is an air-cooled cable, the hollow position of the cable is a protective gas channel, a layer of copper conductor is coated on the protective gas channel, and welding current is conducted to the gun neck through the copper conductor. The cable and the welding gun are connected through a cable joint. Because the cable is constantly twisted and pulled along with the change of welding posture in the welding process, the connection between the cable joint and the cable is loosened to a certain extent after the existing cable joint is twisted and pulled for a certain period, and the loosening can influence the stability of welding current, so that the service life of a welding gun is reduced, and the welding requirement of a user cannot be met.
Disclosure of Invention
The invention aims at solving the problem that the existing welding gun cable joint for the air cooler is easy to loosen, and provides the welding gun cable joint for the air cooler, a connecting assembly and a connecting method, which can cope with complex and changeable cable torsion and pulling under different working conditions and ensure that the connection between a cable and the joint is safe and reliable within the rated service life.
The technical scheme for realizing the aim of the invention is as follows: a gun cable connector for an air cooler comprises a connector body; the connector body sequentially comprises an extending part, a contact part and a tail part from front to back; the middle part of the contact part is provided with a cone with gradually reduced outer diameter; the axial center of the connector body is provided with a protective gas channel penetrating through the front end face and the rear end face of the connector body.
The front end of the extending part of the connector body is provided with a boss.
The outer diameter of the boss gradually increases from front to back.
The front end of the contact part comprises an outer convex arc section connected with the cone and a first inner concave arc section connected between the outer convex arc section and the extending part.
The tail end of the contact part is a second concave arc section connected between the cone and the tail part.
The cone angle of the cone is 2-8 degrees.
A gun-welding cable connecting assembly for an air cooler comprises a cable joint and a hoop; the structure of the cable joint is consistent with that of the welding gun cable joint for the air cooler; one end of the ferrule clamps the copper conductor exposed out of the connecting end of the welding gun cable of the air cooler on the cone of the contact part of the cable joint, and the other end of the ferrule clamps the welding gun cable of the air cooler on the extending part of the cable joint.
The ferrule preferably employs a copper ferrule.
The method for connecting the welding gun cable of the air cooler and the welding gun comprises the following steps of:
Step S1, fixing the tail part of a cable connector on a welding gun;
S2, sleeving the ferrule on a welding gun cable of an air cooler;
step S3, inserting the extending part of the cable joint into the connecting end of the welding gun cable of the air cooler until the copper conductor exposed out of the connecting end of the welding gun cable of the air cooler completely wraps the contact part of the cable joint;
step S4, pushing the ferrule back to clamp the copper conductor onto the taper of the contact portion of the cable connector.
By adopting the technical scheme, the invention has the following beneficial effects: (1) The middle part of the contact part of the cable connector is provided with the cone, under the condition of locking the hoop, the cable connector and the copper conductor are in a conical surface locking state, the locking effect is enhanced under the action of external force torsion, the phenomenon that the cable is loosened is further prevented, the complex and changeable cable torsion and pulling under different working conditions can be dealt with, and the connection of the cable and the connector is ensured to be safe and reliable within the rated service life.
(2) The front end of the extending part is provided with the boss, and the boss can clamp the cable to further prevent the joint from loosening and falling off.
(3) The outer diameter of the boss is gradually increased from the front end to the rear end, so that the extending part is convenient to be inserted into the cable, the effect of a barb is achieved, the cable connector is prevented from falling off, and the stability of connection is further enhanced.
(4) The front end of the contact part of the invention comprises the outer convex arc section connected with the cone and the first inner concave arc section connected between the outer convex arc section and the extending part, the first inner concave arc section can play a role in transition guiding, the outer convex arc section can increase the contact area with the copper conductor, the conductivity is improved, and meanwhile, the copper conductor is prevented from being scratched during connection.
(5) The cone angle of the cone is set to be 2-8 degrees, and the fastening effect is better.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention in an installed state.
The reference numerals in the drawings are:
the connector comprises a connector body 1, an extending part 1-1, a boss 1-1-1, a contact part 1-2, a cone 1-2-1, an outer convex arc section 1-2-2, a first inner concave arc section 1-2-3, a second inner concave arc section 1-2-4, a tail part 1-3, a protective gas channel 1-4, a hoop 2, a welding gun cable 3 and a copper conductor 3-1.
Detailed Description
Example 1
Referring to fig. 1 and 2, the gun-cable connection assembly for an air cooler of the present embodiment includes a cable connector and a ferrule 2.
The cable joint comprises a joint body 1. The connector body 1 comprises an extending part 1-1, a contact part 1-2 and a tail part 1-3 from front to back. The middle part of the contact part 1-2 is arranged as a cone 1-2-1 with a gradually decreasing outer diameter. The axial center of the joint body 1 is provided with a protective gas channel 1-4 penetrating through the front end face and the rear end face of the joint body 1.
The front end of the extending part 1-1 of the joint body 1 is provided with a boss 1-1-1. The boss can block the cable, further prevents that the joint from becoming flexible and droing. The outer diameter of the boss 1-1-1 is gradually increased from front to back, so that the extending part is convenient to be inserted into the cable, the barb function is achieved, the cable joint is prevented from falling off, and the stability of connection is further enhanced.
The front end of the contact part 1-2 comprises an outer convex arc section 1-2-2 connected with the cone 1-2-1, and a first inner concave arc section 1-2-3 connected between the outer convex arc section 1-2-2 and the extending part 1-1. The tail end of the contact part 1-2 is a second concave arc section 1-2-4 connected between the cone 1-2-1 and the tail part 1-3. The first concave circular arc section can play a role in transition guiding, the convex circular arc section can increase the contact area with the copper conductor, the conductivity is improved, and meanwhile the copper conductor is prevented from being scratched during connection.
In order to improve the locking effect, the cone angle of the cone 1-2-1 is set to be 2 degrees to 8 degrees.
The ferrule 2 is preferably a copper ferrule. One end of the ferrule 2 clamps the copper conductor 3-1 exposed from the connecting end of the gun cable 3 for the air cooler to the taper 1-2-1 of the contact portion 1-2 of the cable joint, and the other end of the ferrule 2 clamps the gun cable 3 for the air cooler to the projecting portion 1-1 of the cable joint.
The connecting method for connecting the welding gun cable of the air cooler with the welding gun by the welding gun cable connecting assembly of the air cooler comprises the following steps:
And S1, fixing the tail part 1-3 of the cable connector on a welding gun.
Step S2, the ferrule 2 is fitted over the gun cable 3 for the air cooler.
And S3, inserting the extending part 1-1 of the cable joint into the connecting end of the welding gun cable 3 of the air cooler until the copper conductor 3-1 exposed out of the connecting end of the welding gun cable 3 of the air cooler completely wraps the contact part 1-2 of the cable joint.
Step S4, pushing the ferrule 2 backward to clamp the copper conductor 3-1 onto the taper 1-2-1 of the contact portion 1-2 of the cable joint.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (5)
1. The utility model provides a welding gun cable joint for air cooler which characterized in that: comprises a joint body (1); the connector body (1) sequentially comprises an extending part (1-1), a contact part (1-2) and a tail part (1-3) from front to back; the middle part of the contact part (1-2) is provided with a cone (1-2-1) with gradually reduced outer diameter; the axial center of the joint body (1) is provided with a protective gas channel (1-4) penetrating through the front end face and the rear end face of the joint body (1); the front end of the extending part (1-1) of the joint body (1) is provided with a boss (1-1-1); the outer diameter of the boss (1-1-1) gradually increases from front to back; the front end of the contact part (1-2) comprises an outer convex arc section (1-2-2) connected with the cone (1-2-1), and a first inner concave arc section (1-2-3) connected between the outer convex arc section (1-2-2) and the extending part (1-1).
2. The gun cable joint for air cooling machine according to claim 1, wherein: the tail end of the contact part (1-2) is a second inward concave arc section (1-2-4) connected between the cone (1-2-1) and the tail part (1-3).
3. The gun cable joint for air cooling machine according to claim 1, wherein: the cone angle of the cone (1-2-1) is 2 degrees to 8 degrees.
4. The utility model provides a welding gun cable coupling assembling for air cooler which characterized in that: comprising a cable connector and a ferrule (2); the structure of the cable joint is consistent with that of the welding gun cable joint for the air cooler according to any one of claims 1 to 3; one end of the hoop (2) clamps a copper conductor (3-1) exposed from the connecting end of the gun cable (3) for the air cooler on a cone (1-2-1) of a contact part (1-2) of the cable joint, and the other end of the hoop (2) clamps the gun cable (3) for the air cooler on an extending part (1-1) of the cable joint.
5. A method for connecting a welding gun cable and a welding gun for an air cooler is characterized by comprising the following steps of: the welding gun cable (3) for the air cooler is connected with a welding gun through the welding gun cable connecting assembly for the air cooler, which is disclosed in claim 4, and comprises the following steps:
S1, fixing the tail part (1-3) of a cable connector on a welding gun;
s2, sleeving the hoop (2) on a welding gun cable (3) of the air cooler;
S3, inserting an extending part (1-1) of the cable joint into the connecting end of the welding gun cable (3) of the air cooler until the copper conductor (3-1) exposed from the connecting end of the welding gun cable (3) of the air cooler completely wraps the contact part (1-2) of the cable joint;
And S4, pushing the ferrule (2) backwards to clamp the copper conductor (3-1) on the cone (1-2-1) of the contact part (1-2) of the cable connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495379.2A CN109546398B (en) | 2018-12-07 | 2018-12-07 | Welding gun cable joint, connecting assembly and connecting method for air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495379.2A CN109546398B (en) | 2018-12-07 | 2018-12-07 | Welding gun cable joint, connecting assembly and connecting method for air cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546398A CN109546398A (en) | 2019-03-29 |
| CN109546398B true CN109546398B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811495379.2A Active CN109546398B (en) | 2018-12-07 | 2018-12-07 | Welding gun cable joint, connecting assembly and connecting method for air cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546398B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993272A (en) * | 1998-05-20 | 1999-11-30 | Tescorp Seismic Products, Inc. | Electrical connector having detachable wire connection at cable entry end |
| CN204481275U (en) * | 2015-04-22 | 2015-07-15 | 国家电网公司 | The charged bridge piece of European cable branch box |
| CN106848660A (en) * | 2016-12-09 | 2017-06-13 | 晋源电气集团股份有限公司 | A kind of good CA cable assembly of conductive contact |
| CN209056656U (en) * | 2018-12-07 | 2019-07-02 | 常州特尔玛枪嘴有限公司 | Air cooler welding torch cable connector and connection component |
-
2018
- 2018-12-07 CN CN201811495379.2A patent/CN109546398B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5993272A (en) * | 1998-05-20 | 1999-11-30 | Tescorp Seismic Products, Inc. | Electrical connector having detachable wire connection at cable entry end |
| CN204481275U (en) * | 2015-04-22 | 2015-07-15 | 国家电网公司 | The charged bridge piece of European cable branch box |
| CN106848660A (en) * | 2016-12-09 | 2017-06-13 | 晋源电气集团股份有限公司 | A kind of good CA cable assembly of conductive contact |
| CN209056656U (en) * | 2018-12-07 | 2019-07-02 | 常州特尔玛枪嘴有限公司 | Air cooler welding torch cable connector and connection component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109546398A (en) | 2019-03-29 |
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Address after: 213000 No.9, environmental protection Third Road, national environmental protection industrial park, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Changzhou TELMA Technology Co.,Ltd. Address before: 213000 No.9, environmental protection Third Road, national environmental protection industrial park, Xinbei District, Changzhou City, Jiangsu Province Applicant before: TERMMEI TORCH & TIP Co. |
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