CN202622152U - Scald-proof electrode holders - Google Patents
Scald-proof electrode holders Download PDFInfo
- Publication number
- CN202622152U CN202622152U CN 201220276980 CN201220276980U CN202622152U CN 202622152 U CN202622152 U CN 202622152U CN 201220276980 CN201220276980 CN 201220276980 CN 201220276980 U CN201220276980 U CN 201220276980U CN 202622152 U CN202622152 U CN 202622152U
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- Prior art keywords
- electric conductor
- screw
- handle
- electric
- heat insulation
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- Expired - Fee Related
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Abstract
The utility model discloses a pair of scald-proof electrode holders which comprise an upper jaw (1), an upper handle (2), a restoring spring (3), a connecting support (4), a handle (5), and an electric conductor (6). An insulating block (7) is arranged between the electric conductor (6) and the handle (5), the front end of the jaw-connecting insulating block (7) forms a lower jaw (7.1), and the jaw-connecting insulating block (7) is connected with the upper handle (2) in hinge mode. A spring seat (8) is arranged on the upper surface of the electric conductor (6), and the handle (5), the jaw-connecting insulating block (7), the electric conductor (6), and the spring seat (8) are connected with each other in an integrated mode through screws (9). The screws (9) are threadingly connected with the spring seat (8), and the screws (9) penetrate through the electric conductor (6) and a gap is reserved between each screw (9) and the electric conductor (6). The scald-proof electrode holders can prevent the electric conductor from transferring heat to the handle and has better safety performance. The utility model belongs to the technical field of welding equipment.
Description
Technical field
The utility model belongs to technical field of welding equipment, especially relates to a kind of scalding-resistant electric-welding pliers.
Background technology
Existing electrode holders mainly are made up of jaw, up knob, spring, link, insulated handle and the electric conductor that is installed in the insulated handle; Electrode holders are through jaw clamping welding rod, and to a large amount of electric current of welding rod transmission, welding rod produces the arc-melting welding rod between the body and realizes welding with being soldered by electric conductor.Electric conductor on the existing electrode holders adopts copper material to make basically, and the electric conductor rear end is used for connecting and the fixed power source line, and the front end of electric conductor becomes the lower clamp nozzle of electrode holders.Electric conductor front end both sides lower bending shape becomes two flangings, makes the electric conductor front end become U type groove, and two down curved flangings are conflicted on the insulated handle inwall, and passes insulated handle through screw electric conductor is fixed in the insulated handle.
Not enough below the electrode holders of said structure exist: one; Two curved down flangings of electric conductor directly contact with insulated handle; When electrode holders after continuous welding a period of time, two flangings that the heat that the electric current of electric conductor own produces when a large amount of heats that welding rod and the electric arc that is soldered between the body produce and work will be through electric conductor and is connected electric conductor and the screw of insulated handle is delivered on the insulated handle, make the insulated handle surface temperature can reach 40 spend more than; It is very hot that the operator feels easily; Make the operator have to stop, treat to continue welding again after the handle cooling, influenced job schedule.Two, electric conductor is fixed on the handle through screw, and the bar portion of screw directly is screwed onto on the electric conductor; Because during electrode holders work, electric conductor is charged, causes screw also charged; And head of screw is exposed in the screw hole of insulated handle; Have potential safety hazard, operator's finger touches the head of screw that is exposed in the screw hole easily, and electric shock accidents takes place.
In sum, the present hot operator of being of electrode holders handle can't use the main cause of electrode holders for a long time; Screw on the handle is charged, is the reason place that electric shock accidents takes place.
The utility model content
The utility model technical problem to be solved is: provide a kind of electric conductor that can completely cut off with heat transferred handle and the better a kind of scalding-resistant electric-welding pliers of security performance.
The technical scheme that the utility model is taked is: a kind of scalding-resistant electric-welding pliers; It comprises upper clamp nozzle, up knob, back-moving spring, link, handle and electric conductor; The company's of being provided with mouth insulation heat insulation between electric conductor and the handle, the described mouth insulation heat insulation front end that connects becomes lower clamp nozzle, and it is hinged to connect mouth insulation heat insulation and up knob; Described electric conductor upper surface is provided with a spring base
Handle, connect mouth insulation heat insulation, electric conductor and spring base and connect through the screw integral type, screw is screwed onto on the spring base, screw penetrate electric conductor and and electric conductor between gapped.
Screw penetrate electric conductor and and electric conductor between the gapped electric conductor that is meant be provided with through hole, through-hole diameter is greater than shank of screw portion diameter.
Through-hole diameter is the twice of shank of screw portion diameter.
The edge that connects mouth insulation heat insulation leading portion part extends upward and forms semiclosed ring, and electric conductor is positioned at the containing cavity that semiclosed ring forms.
Screw is screwed onto and is meant on the spring base and is inlaid with nut in the spring base, and screw and nut are spirally connected.
The head of described screw is surrounded by one deck polypropylene pp insulating barrier.
The beneficial effect of the utility model is: a kind of scalding-resistant electric-welding pliers handle of the utility model, company's mouth insulation heat insulation, electric conductor and spring base connect through the screw integral type; Because connecting mouth insulation heat insulation is a kind of heat insulation, fire-retardant, insulating bodies, heat on the electric conductor and electric current just can not be directly passed to handle like this; In addition, gapped between screw and the electric conductor, mean that screw does not contact with electric conductor, so, heat on the electric conductor and electric current can't be given handle through the screw indirect transfer; So it is final; Heat on the electric conductor and electric current can't be directly and indirect transfer to handle; Therefore, the electrode holders of the utility model use handle the state of high-temperature (above 40 ℃) also can not occur for a long time, and screw does not contact with electric conductor; Therefore the screw that is screwed onto on the handle is not charged, and security performance is better.
Description of drawings
Fig. 1 is the utility model overall schematic.
Fig. 2 is the utility model cutaway view.
Fig. 3 connects mouth insulation heat insulation sketch map for the utility model.
Fig. 4 is the spring base sketch map.
Among the figure, 1, upper clamp nozzle, 2, up knob, 3, back-moving spring, 4, link, 5, handle, 6, electric conductor, 7, connect mouth insulation heat insulation, 7.1, lower clamp nozzle, 7.2, semiclosed ring, 8, spring base, 9, screw, 9.1, polypropylene pp insulating barrier, 10, nut.
The specific embodiment
Below be the utility model preferred embodiment, but therefore do not limit the protection domain of the utility model.
With reference to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; A kind of scalding-resistant electric-welding pliers of the utility model, it comprises upper clamp nozzle 1, up knob 2, back-moving spring 3, link 4, handle 5 and electric conductor 6, the company's of being provided with mouth insulation heat insulation 7 between electric conductor 6 and the handle 5; Described mouth insulation heat insulation 7 front ends that connect become lower clamp nozzle 7.1; It is hinged with up knob 2 to connect mouth insulation heat insulation 7, and described electric conductor 6 upper surfaces are provided with a spring base 8, handle 5, connects mouth insulation heat insulation 7, electric conductor 6 and spring base 8 four and connects through screw 9 integral types; Screw 9 is screwed onto on the spring base 8, screw 9 penetrate electric conductor 6 and and electric conductor 6 between gapped.The two ends of back-moving spring 3 link to each other with spring base 8 with up knob 2 respectively, and spring base 8 is provided with a convexity, are convenient to spacing back-moving spring 3, in conjunction with shown in Figure 1.Upper clamp nozzle 1 is one-body molded with up knob 2.
Screw 9 penetrate electric conductor 6 and and electric conductor 6 between the gapped electric conductor 6 that is meant be provided with through hole, through-hole diameter is greater than screw 9 bar portion diameters.Present embodiment is chosen the twice that through-hole diameter is screw 9 bar portion diameters.
The edge that connects mouth insulation heat insulation 7 leading portions part extends upward and forms semiclosed ring 7.2, and electric conductor 6 is positioned at the containing cavity that semiclosed ring 7.2 forms.That guarantees that electric conductor 6 can be firm is spacing in connecting mouth insulation heat insulation 7, also avoids electric conductor 6 to contact with handle 5 simultaneously.
Connect mouth insulation heat insulation 7 and be fixed on the up knob 2 with the up knob 2 hinged links 4 that are meant, it is hinged with link 4 to connect mouth insulation heat insulation 7.Also have in the middle of the electrode holders of link 4 prior aries, the fixed form of link 4 and up knob 2 and position and prior art are consistent, omit here.
The head of described screw 9 is surrounded by one deck polypropylene pp insulating barrier 9.1.The dual fail-safe effect that is: just in case electrode holders appearance damage in the middle of using after causing screw 9 bar portions and electric conductor 6 contacting, is surrounded by one deck polypropylene pp insulating barrier 9.1 at screw 9 heads, can prevent the accident generation and the possibility of contact.
The described mouth insulation heat insulation 7 that connects connects mouth insulation heat insulation 7 or connects the mouth heat insulation 7 that insulate for glass fiber reinforced unsaturated polyester plastic for the phenolic resins glass fibre reinforced mould plastic.Connecting mouth insulation heat insulation 7 in other words can adopt these two kinds of materials to process.Because these two kinds of materials have insulation, heat insulation, fire-retardant superperformance.
The operation principle of a kind of scalding-resistant electric-welding pliers of the utility model is the same with existing electrode holders operation principle; When different places was the work of a kind of scalding-resistant electric-welding pliers of the utility model, the heat of electric conductor 6 electric currents generations own can directly or indirectly not pass to handle 5 when a large amount of heats that welding rod and the electric arc that is soldered between the body produce and work.Because what directly contact with electric conductor 6 is to connect mouth insulation heat insulation 7, is a kind of insulation, heat insulation, fire-retardant object and connect mouth insulation heat insulation 7, so the heat that passes to handle 5 through electric conductor 6 can be ignored.
In addition, gapped between screw 9 and the electric conductor 6, mean that screw 9 does not contact with electric conductor 6, so, heat on the electric conductor 6 and electric current can't be given handle 5 through screw 9 indirect transfer; So it is final; Heat on the electric conductor 6 and electric current can't be directly and indirect transfer to handle 5; Therefore, the electrode holders of the utility model use handle 5 state of high-temperature (above 40 ℃) also can not occur for a long time, and screw 9 does not contact with electric conductor 6; Therefore the screw 9 that is screwed onto on the handle 5 is not charged, and security performance is better.Even using central operator to run into screw 9 also has nothing to do.
Claims (6)
1. a kind of scalding-resistant electric-welding pliers; It comprises upper clamp nozzle (1), up knob (2), back-moving spring (3), link (4), handle (5) and electric conductor (6); It is characterized in that: the company's of being provided with mouth insulation heat insulation (7) between electric conductor (6) and the handle (5); Described mouth insulation heat insulation (7) front end that connects becomes lower clamp nozzle (7.1); It is hinged with up knob (2) to connect mouth insulation heat insulation (7), and described electric conductor (6) upper surface is provided with a spring base (8), handle (5), connects mouth insulation heat insulation (7), electric conductor (6) and spring base (8) four and connects through screw (9) integral type; Screw (9) is screwed onto on the spring base (8), screw (9) penetrate electric conductor (6) and and electric conductor (6) between gapped.
2. a kind of scalding-resistant electric-welding pliers according to claim 1 is characterized in that: screw (9) penetrate electric conductor (6) and and electric conductor (6) between the gapped electric conductor (6) that is meant be provided with through hole, through-hole diameter is greater than screw (9) bar portion diameter.
3. a kind of scalding-resistant electric-welding pliers according to claim 2 is characterized in that: through-hole diameter is the twice of screw (9) bar portion diameter.
4. a kind of scalding-resistant electric-welding pliers according to claim 1 is characterized in that: the edge that connects mouth insulation heat insulation (7) leading portion part extends upward and forms semiclosed ring (7.2), and electric conductor (6) is positioned at the containing cavity that semiclosed ring (7.2) forms.
5. a kind of scalding-resistant electric-welding pliers according to claim 1 is characterized in that: screw (9) is screwed onto and is meant on the spring base (8) and is inlaid with nut (10) in the spring base (8), and screw (9) is spirally connected with nut (10).
6. a kind of scalding-resistant electric-welding pliers according to claim 5 is characterized in that: the head of described screw (9) is surrounded by one deck polypropylene pp insulating barrier (9.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276980 CN202622152U (en) | 2012-06-13 | 2012-06-13 | Scald-proof electrode holders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276980 CN202622152U (en) | 2012-06-13 | 2012-06-13 | Scald-proof electrode holders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202622152U true CN202622152U (en) | 2012-12-26 |
Family
ID=47375395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276980 Expired - Fee Related CN202622152U (en) | 2012-06-13 | 2012-06-13 | Scald-proof electrode holders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202622152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643071A (en) * | 2014-11-27 | 2016-06-08 | 成都创客之家科技有限公司 | Electrode holders |
-
2012
- 2012-06-13 CN CN 201220276980 patent/CN202622152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643071A (en) * | 2014-11-27 | 2016-06-08 | 成都创客之家科技有限公司 | Electrode holders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20200613 |