CN201154412Y

CN201154412Y - Complete insulation electrode holder

Info

Publication number: CN201154412Y
Application number: CNU2008200688365U
Authority: CN
Inventors: 张玮; 李佳衡
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-07
Filing date: 2008-01-07
Publication date: 2008-11-26
Anticipated expiration: 2018-01-07

Abstract

The utility model relates to a fully insulated welding clamp comprising a fixed clamping head and a movable clamping head which are articulated with each other, the front part of a hinge point on the fixed clamping head is a fixed jaw, the back part is a conductive connecting body, a wiring device is arranged at the back end of the conductive connecting body, the front part of the hinge point on the movable clamping head is a movable jaw, the back part is a pressing handle, a clamping spring is arranged between the pressing handle and the conductive connecting body, an insulated sleeve with a sealed front end is fixedly sheathed at the periphery of the fixed clamping head and the movable clamping head, a welding rod insert hole is formed at the front part of the insulated sleeve, a cylindrical insulated handle is arranged at the back end of the insulated sleeve, a jaw opening and closing space is arranged between the insulated sleeve and the movable clamping head, and an insulated clamping button is arranged on the pressing handle. The welding clamp can not generate the short-circuit with a metal during the welding in a container or on a structure truss, thus being very safe; when in welding, the splashed metal melt drips and the radiation heat are also blocked by the insulated sleeve, thus greatly alleviating the ablation to the jaws, effectively protecting the jaws of the welding clamp and prolonging the service life of the welding clamp.

Description

All-insulated electrode holder

Technical field

The utility model relates to a kind of electrode holders.

Background technology

Common electrode holders comprise mutually hinged upper clamp and lower clamp together, on, the insulation cover body is equipped with in the outside of lower clamp respectively, on, the part of lower clamp before pin joint is to be used for the location, clamp the jaw of welding rod, the part that upper clamp upwards bends up after pin joint is a pressure handle, the part of lower clamp after pin joint is conduction connector, between pressure handle and conduction connector fastening spring is arranged, the rear portion of conduction connector is equipped with the handle that is used to grip, there is the welding cable perforation of axial perforation handle inside, during use, the connector of welding cable passes handle and is crimped on screw in the wiring hole of conduction connector, forms with conduction connector to be electrically connected.After depressing pressure handle, the jaw of upper and lower caliper opens, and can put into welding rod, unclamps pressure handle, and fastening spring orders about two jaws and closes up and clamp welding rod.The electrode holders of this form, though its live part has the insulation cover body to isolate, upper and lower jaw still has part to expose, and exists hidden danger, and is especially relatively dangerous during welding procedure on receptacle or structure truss.In addition, electrode holders are in the middle of using, there is big electric current to pass through in the welding cable, junction at welding cable and conduction connector can produce high resistance heat, above-mentioned soldering turret is directly installed on the conduction connector owing to handle, so heat can be delivered on the handle fast, if long-time continuous welding, will cause overheated hot can not the gripping of handle, just must stop work and to continue welding after wait is lowered the temperature, reduce the rate of utilization of work hour, influenced the progress of producing or constructing, in addition, the connected mode of above-mentioned welding cable and electrode holders is also more unreliable, in use welding cable is often pulled and makes cable crimping place loosening easily, and loose contact has further aggravated caloric value herein.

The utility model content

The purpose of this utility model provides a kind of electrode holders of totally-enclosed insulation.

For achieving the above object, the utility model adopts following technical scheme: All-insulated electrode holder, comprise hinged fixed chuck and active chuck, fixed chuck upper link point front portion is a regular jaw, the rear portion is a conduction connector, the rear end of conduction connector has termination, active chuck upper link point front portion is a moving jaw, the rear portion is a pressure handle, between pressure handle and the conduction connector fastening spring is arranged, the fixing insulation sleeve of suit one front end sealing in the periphery of fixed chuck and active chuck, the front portion of insulation sleeve is provided with the welding rod jack, the rear end of insulation sleeve is equipped with the insulated handle that is tubular, has jaw folding space between insulation sleeve and the active chuck, described pressure handle is provided with insulation and clamps button, and the position that corresponding insulation clamps button on the insulation sleeve is provided with perforate.

Described termination comprises that being located at being electrically connected of conduction connector rear end takes over the baton, and the rear portion of taking over the baton that is electrically connected has welding cable to twine body, and the periphery that welding cable twines body is provided with the cable pressurizing unit that can push welding cable by screw propulsion.

Described cable pressurizing unit comprises that being located at is electrically connected the take over the baton adapter sleeve at middle part, this adapter sleeve body twines body to welding cable and extends, but is provided with the cable extruded sleeve of screw propulsion in the space between adapter sleeve extension and the welding cable winding body.

Described cable extruded sleeve is screwed onto the adapter sleeve extension, and it is caudad gradually little bullet that welding cable twines body.The external diameter of described adapter sleeve is less than the internal diameter of insulated handle.

The rear end of described conduction connector has axial screw, and the front portion of taking over the baton that is electrically connected has double-screw bolt, and being electrically connected takes over the baton is spirally connected by double-screw bolt and conduction connector.

Described welding rod jack comprises axial welding rod jack and that is located at the insulation sleeve front end or is located at the radially welding rod jack of the anterior sidewall of insulation sleeve.Also be provided with oblique welding rod jack on the anterior sidewall of insulation sleeve.

Corresponding each welding rod jack is provided with corresponding welding rod positioning groove on the clamping face of regular jaw.

The clamping face of moving jaw is the low clinoplain in preceding high back, and the clamping face of regular jaw is the horizontal plane that has the welding rod positioning groove.

The utility model is arranged on active chuck and fixed chuck in the insulation sleeve of a Totally-enclosed-type; live part is not exposed; when welding in receptacle or on the structure truss; soldering turret and the metal problem of short-circuit of joining can not take place; fool proof during use, and the closed front that the metal drop that the time splashes of welding and radiations heat energy also are insulated cover blocks outside, alleviated the corrode to jaw greatly; thereby effectively protected the soldering turret jaw, prolonged the service life of soldering turret.The utility model is when connecting welding cable, after the welding cable terminals are wrapped on the cable winding body, by screwing the cable pressurizing unit cable reliably is connected with being electrically connected to take over the baton, this mode of connection makes wiring place can bear bigger pulling force, in the welding procedure process, welding cable is not easy to get loose, and electrically contacts reliable, thereby eliminated the high heat that produces because of the cable loose contact, reduced one and caused the hot thermal source of welding clamp handle; Cable twines body and adopts the bullet structure, and along with the propelling of cable extruded sleeve, cable is tightr with cooperating of cable winding body, is electrically connected more reliable.In addition, on insulation sleeve, be provided with axially, radially with oblique welding rod jack, when the position of welding different angles, electrode carrier can be held in the suitable jack, make welding rod have more suitable soldering angle, use in the operation more flexible; The welding rod positioning groove is set on the regular jaw clamping face, has guaranteed the stability of clamping welding rod.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the vertical view of the associated jaw portion of Fig. 1;

Fig. 3 is the A-A cutaway view of Fig. 1;

Fig. 4 is the B-B cutaway view of Fig. 1

Fig. 5 is the structural representation that being electrically connected among Fig. 1 taken over the baton;

Fig. 6 is the structural representation of fixed chuck among Fig. 1;

Fig. 7 is the left view of Fig. 6;

Fig. 8 is the vertical view of Fig. 6.

The specific embodiment

Fig. 1-All-insulated electrode holder shown in Figure 8, comprise hinged fixed chuck 3 and active chuck 5, fixed chuck 3 upper link point front portions are that regular jaw, rear portion are conduction connectors, the rear end of conduction connector has the termination of welding cable, active chuck 5 upper link point front portions are that moving jaw, rear portion are pressure handles, and fastening spring 8 is arranged between pressure handle and the conduction connector.At the fixed chuck 3 and the peripheral fixed cover of active chuck 5 insulation sleeve 1 of front end sealing is housed, has jaw folding space 12 between active chuck 5 and the insulation sleeve 1, the rear end of insulation sleeve 1 is equipped with the insulated handle 2 that is tubular, and insulation sleeve 1 and insulated handle 2 are made by phenol aldehyde laminated cloth rod.Above-mentioned pressure handle is provided with insulation and clamps button 6, and the position that corresponding insulation clamps button 6 on the insulation sleeve 1 is provided with perforate, and insulation clamps button 6 and stretches out insulation sleeve 1 from this tapping.

Above-mentioned welding cable termination comprises being electrically connected takes over the baton 9, as shown in Figure 5, be electrically connected take over the baton 9 front portion has double-screw bolt, the be electrically connected rear portion of taking over the baton has welding cable to twine body, it is caudad gradually little bullet that welding cable twines body, the middle part of taking over the baton that is electrically connected is bolted with the adapter sleeve 10 of external diameter less than the insulated handle internal diameter, this adapter sleeve body twines the body tail end to welding cable and extends, in the space between adapter sleeve 10 extensions and the welding cable winding body cable extruded sleeve 11 is housed, cable extruded sleeve 11 is screwed onto the extension of adapter sleeve, when the continuous precession of cable extruded sleeve, the end face of cable extruded sleeve is pushed the welding cable that is wrapped on the bullet, makes welding cable become reliably to be electrically connected with the electrical connection clavate.Being electrically connected takes over the baton 9 is screwed onto in the axial screw of conduction connector rear end by double-screw bolt.

The front end of above-mentioned insulation sleeve 1 is provided with axial welding rod jack 13, is provided with radially welding rod jack 14 and oblique welding rod jack 15 on the anterior sidewall of insulation sleeve.The clamping face of above-mentioned moving jaw is the low clinoplain in preceding high back, the clamping face of regular jaw is the horizontal plane that has three welding rod positioning grooves, three welding rod positioning grooves be respectively the axial welding rod positioning groove 17 corresponding with axial welding rod jack 13, with corresponding radially welding rod positioning groove 18 of welding rod jack radially 14 and the oblique welding rod positioning groove 16 corresponding with oblique welding rod jack 15, oblique welding rod jack and oblique welding rod positioning groove and axial angle are 60 ° in the present embodiment.Certainly, in the specific implementation, three assembly welding bar jacks and welding rod positioning groove can only be provided with one group as required, as axial jack and axial location groove or radially jack and radial location groove only are set, also can be with any two groups settings that combine, the angle of oblique jack and oblique positioning groove also is not only limited to 60 °.

During use, connect welding cable, install insulated handle 2, depressing insulation clamping button 6 opens jaw, as required welding rod is inserted jaw from corresponding welding rod jack 13, be placed in the suitable positioning groove, unclamp insulation and clamp button, the fastening spring 8 of pressurized resets, and forces jaw to close up the clamping welding rod.

The utility model has good insulation performance performance and heat-insulating capability, and soldering turret is easy to be reliable with being connected of cable, and contact is good, and for a long time big electric current is difficult for taking place high heat by the junction.

Claims

1. All-insulated electrode holder, comprise hinged fixed chuck and active chuck, fixed chuck upper link point front portion is a regular jaw, the rear portion is a conduction connector, the rear end of conduction connector has termination, active chuck upper link point front portion is a moving jaw, the rear portion is a pressure handle, between pressure handle and the conduction connector fastening spring is arranged, it is characterized in that: the fixing insulation sleeve of suit one front end sealing in the periphery of fixed chuck and active chuck, the front portion of insulation sleeve is provided with the welding rod jack, the rear end of insulation sleeve is equipped with the insulated handle that is tubular, has jaw folding space between insulation sleeve and the active chuck, described pressure handle is provided with insulation and clamps button, and the position that corresponding insulation clamps button on the insulation sleeve is provided with perforate.

2. All-insulated electrode holder according to claim 1, it is characterized in that: described termination comprises that being located at being electrically connected of conduction connector rear end takes over the baton, the be electrically connected rear portion of taking over the baton has welding cable to twine body, and the periphery that welding cable twines body is provided with the cable pressurizing unit that can push welding cable by screw propulsion.

3. All-insulated electrode holder according to claim 2, it is characterized in that: described cable pressurizing unit comprises that being located at is electrically connected the take over the baton adapter sleeve at middle part, this adapter sleeve body twines body to welding cable and extends, but is provided with the cable extruded sleeve of screw propulsion in the space between adapter sleeve extension and welding cable winding body.

4. All-insulated electrode holder according to claim 3 is characterized in that: described cable extruded sleeve is screwed onto the adapter sleeve extension, and it is caudad gradually little bullet that welding cable twines body.

5. according to claim 3 or 4 described All-insulated electrode holders, it is characterized in that: the external diameter of described adapter sleeve is less than the internal diameter of insulated handle.

6. All-insulated electrode holder according to claim 5 is characterized in that: the rear end of described conduction connector has axial screw, and the front portion of taking over the baton that is electrically connected has double-screw bolt, and being electrically connected takes over the baton is spirally connected by double-screw bolt and conduction connector.

7. according to the described All-insulated electrode holder of the arbitrary claim of claim 1-4, it is characterized in that: described welding rod jack comprises axial welding rod jack and that is located at the insulation sleeve front end or is located at the radially welding rod jack of the anterior sidewall of insulation sleeve.

8. All-insulated electrode holder according to claim 7 is characterized in that: also be provided with oblique welding rod jack on the anterior sidewall of insulation sleeve.

9. All-insulated electrode holder according to claim 8 is characterized in that: corresponding each welding rod jack is provided with corresponding welding rod positioning groove on the clamping face of regular jaw.

10. All-insulated electrode holder according to claim 9 is characterized in that: the clamping face of moving jaw is the low clinoplain in preceding high back, and the clamping face of regular jaw is the horizontal plane that has the welding rod positioning groove.