CN210281042U

CN210281042U - Electrode holder capable of improving connection and heat dissipation functions

Info

Publication number: CN210281042U
Application number: CN201920770827.9U
Authority: CN
Inventors: 钱德峰
Original assignee: Ningbo Defeng Precision Technology Co Ltd
Current assignee: Ningbo Defeng Precision Technology Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-04-10
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses an electric welding tongs for improving connection and heat dissipation functions, which comprises an upper handle, a lower handle and a lower plier body, wherein the upper handle and the lower handle both comprise a plane platform and a handle part, a first mounting groove is arranged in the upper handle, a cooling cavity is arranged at both sides of the first mounting groove, a first heat-insulating layer is arranged above the lower plier body, the plane platform of the first heat-insulating layer and the lower handle is provided with a plurality of air holes, the handle part of the lower handle is of a mesopore structure, a third mounting groove is arranged between the plane platform and the handle part of the lower handle, two wiring through holes are arranged on the third mounting groove, a square iron frame is clamped in the third mounting groove, two wire clamping pipes for wire insertion are arranged in the square iron frame, one side of each wire clamping pipe penetrates through the side edge of the square iron frame and is connected with a mounting seat, a limit hole is arranged at the side edge of the mounting seat, a reset torsion, be equipped with two locating levers in the third mounting groove, this structure improves the radiating effect.

Description

Electrode holder capable of improving connection and heat dissipation functions

Technical Field

The utility model relates to a technical field of soldering turret specifically is the electrode holders who improves connection and heat dissipation function.

Background

The electrode holder, the tool for electric welding, is used to hold the welding electrode and conduct the welding current during welding. The hand-held insulating tool is matched with an electric arc welding machine for clamping and operating a welding rod and ensuring the electric connection with the welding rod during manual electric arc welding.

The electrode holders in the prior art have the following problems: 1. the heat dissipation effect is poor, and the handle part is easy to overheat and cannot be held after long-time use; 2. the electric wire is arranged at the tail part of the handle, and the electric wire and the upper clamp body are directly welded, so that the problem that the tail part is easy to pull to break is caused.

Disclosure of Invention

An object of the utility model is to provide an improve electrode holders who connects and heat dissipation function, it can solve to have among the prior art that the radiating effect is poor, joint strength is not high easy cracked problem of contact department.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve electrode holders who connects and heat dissipation function, includes the upper tong body, goes up handle, reset spring, lower handle and the lower tong body, the upper tong body is fixed in on the upper handle, the lower tong body is fixed in on the lower handle, the upper tong body with the lower tong body is connected through articulated formula, reset spring both ends respectively with the upper handle with the lower handle is supported to close fixedly, the upper handle and lower handle all include plane platform and handle portion, be equipped with the opening in the upper handle and lie in the plane platform and along the extending direction of handle portion in step to the inside first mounting groove that extends of handle portion, the upper tong body insert first mounting groove in from the opening of first mounting groove, and partly stretch out behind the opening of first mounting groove and cooperate with the upper tong body, all be equipped with a cooling chamber unanimous with first mounting groove shape in the upper handle for the both sides of first mounting groove, the cooling cavity is internally provided with cooling liquid, the plane platform of the upper handle is provided with a sealing cover for sealing the inlet of the cooling cavity, a first heat insulation layer is arranged between the plane platform of the lower handle and the lower clamp body, the first heat insulation layer and the plane platform of the lower handle are both provided with more than one air vent, the handle part of the lower handle is of a mesoporous structure, a third mounting groove is arranged between the plane platform of the lower handle and the handle part, the third mounting groove is provided with two wiring through holes communicated with the inside of the third mounting groove, a square iron frame is clamped in the third mounting groove, the square iron frame is provided with two first jacks aligned with corresponding wiring through holes, one side of the lower clamp body extends into the square iron frame, the lower clamp body is provided with two second jacks aligned with the first jacks, and a clamping pipe corresponding to each first jack is arranged below the square iron frame, be equipped with on the card spool and correspond the third jack that first jack aligns, one side of each card spool runs through square iron frame side and is connected with the mount pad, is equipped with spacing hole at the side of mount pad, is equipped with the reset torsion spring that resets to the card spool in the position that card spool and square iron frame run through, is equipped with two locating levers that can stretch into spacing downthehole and fix a position the locking to the card spool in the third mounting groove.

In order to improve the strength, reinforcing ribs are arranged on two sides of the lower handle.

In order to facilitate disassembly, more than one first screw hole is arranged on the plane table of the lower handle, second screw holes aligned with the first screw holes one by one are arranged on the lower clamp body, and third screw holes aligned with the second screw holes are arranged on the plane tables of the first heat-insulating layer and the lower handle.

In order to facilitate the disassembly, an extension part with a groove is arranged on the side edge below the third mounting groove, a spring limiting hole is formed in the extension part, a limiting column used for being clamped into one end of a reset spring is arranged on the upper handle, and the other end of the reset spring is clamped in the spring limiting hole.

In order to improve the heat dissipation effect, a heat dissipation rib is arranged in the middle hole of the upper handle, one end of the heat dissipation rib extends into the square iron frame and is connected with the lower clamp body in a jacking mode, a branched heat dissipation fork is arranged on the side edge of the heat dissipation rib, a second heat insulation layer is arranged on the inner side wall of the upper handle, and the heat dissipation rib is located in the second heat insulation layer.

Compared with the prior art, the utility model has the advantages of it is following: through adopting the fixed mode of pressing from both sides tightly and winding to the connection of electric lines, the later stage is welding, finally improves the fixed connection intensity to the electric wire, and duplicate protection like this guarantees to be difficult for being pulled with the junction of the lower pincers body, sets up simultaneously that first insulating layer improves thermal-insulated, the radiating effect to the lower handle, has finally solved among the prior art "the not high easy problem of splitting of contact department of joint strength, radiating effect is poor".

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of the overall structure of an electrode holder for improving the connection and heat dissipation functions in embodiment 1;

FIG. 2 is a front view of the square iron frame of this embodiment 1;

FIG. 3 is a bottom perspective view of the lower handle of this embodiment 1;

fig. 4 is a schematic view of the hollow interior of the handle portion of the lower handle in this embodiment 2.

In the figure: go up the pincers body 1, go up handle 2, reset spring 3, lower handle 4, lower pincers body 5, flat table 6, handle portion 7, first mounting groove 8, cooling chamber 9, sealed lid 10, first insulating layer 11, bleeder vent 12, third mounting groove 13, wiring through-hole 14, square iron frame 15, first jack 16, second jack 17, third jack 18, mount pad 19, spacing hole 20, torsional spring 21 that resets, locating lever 22, strengthening rib 23, first screw hole 24, second screw hole 25, third screw hole 26, extension 27, spacing hole 28 of spring, spacing post 29, heat dissipation muscle 30, heat dissipation fork 31, second insulating layer 32, spool 33, articulated hole 34, articulated shaft 35.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention will be further explained:

example 1:

as shown in fig. 1-3, the electrode holders for improving the connection and heat dissipation functions provided in this embodiment include an upper holder body 1, an upper handle 2, a return spring 3, a lower handle 4, and a lower holder body 5, where the upper holder body 1 is fixed on the upper handle 2, the lower holder body 5 is fixed on the lower handle 4, the upper holder body 1 is connected with the lower holder body 5 in a hinged manner, two ends of the return spring 3 are respectively abutted and fixed to the upper handle 2 and the lower handle 4, the upper handle 2 and the lower handle 4 both include a flat table 6 and a handle portion 7, a first mounting groove 8 having an opening is provided in the upper handle 2, the first mounting groove 8 extends synchronously toward the interior of the handle portion 7 along the extending direction of the handle portion 7, the upper holder body 1 is inserted into the first mounting groove 8 from the opening of the first mounting groove 8, and partially extends out of the opening of the first mounting groove 8 and then is matched with the upper holder body 1, a cooling cavity 9 which is consistent with the shape of the first mounting groove 8 is arranged in the upper handle 2 relative to two sides of the first mounting groove 8, cooling liquid is arranged in the cooling cavity 9, a sealing cover 10 which is used for sealing the inlet of the cooling cavity 9 is arranged on the plane table 6 of the upper handle 2, a first heat-insulating layer 11 is arranged between the plane table 6 of the lower handle 4 and the lower clamp body 5, more than one air hole 12 is arranged on the first heat-insulating layer 11 and the plane table 6 of the lower handle 4, the handle part 7 of the lower handle 4 is of a mesopore structure, a third mounting groove 13 is arranged between the plane table 6 of the lower handle 4 and the handle part 7, two wiring through holes 14 which are communicated with the inside of the third mounting groove 13 are arranged on the third mounting groove 13, a square iron frame 15 is clamped in the third mounting groove 13, and two first inserting holes 16 which are aligned with the corresponding wiring through holes 14 are arranged on the square, one side of the lower caliper body 5 stretches into square iron frame 15, is equipped with two second jacks 17 that align with first jack 16 on the lower caliper body 5, is equipped with spool 33 in square iron frame 15 below for each first jack 16, be equipped with on spool 33 with the third jack 18 that corresponds first jack 16 and align, one side of each spool 33 is run through square iron frame 15 side and is connected with mount pad 19, is equipped with spacing hole 20 at the side of mount pad 19, is equipped with the reset torsion spring 21 that resets to spool 33 in the position that spool 33 and square iron frame 15 run through, is equipped with two locating levers 22 that can stretch into in spacing hole 20 and fix a position locking to spool 33 in the third mounting groove 13.

In order to improve the strength, reinforcing ribs 23 are provided on both sides of the lower handle 4.

In order to facilitate disassembly, more than one first screw hole 24 is arranged on the flat table 6 of the lower handle 4, second screw holes 25 aligned with the first screw holes 24 one by one are arranged on the lower clamp body 5, and third screw holes 26 aligned with the second screw holes 25 are arranged on the first heat insulation layer 11 and the flat table 6 of the lower handle 4.

In order to facilitate the detachment, an extension portion 27 with a groove is arranged on the side edge below the third mounting groove 13, a spring limiting hole 28 is arranged in the extension portion 27, a limiting column 29 used for being clamped into one end of the return spring 3 is arranged on the upper handle 2, and the other end of the return spring 3 is clamped in the spring limiting hole 28. In this embodiment, the opening direction of the limiting hole 20 is exactly 90 degrees from the opening direction of the third insertion hole 18, so that the problem that when the conduit 33 is not rotated, the positioning rod 22 cannot be inserted into the limiting hole 20 on the side edge, which causes the opening of the third insertion hole 18 to be installed into the third installation groove 13 in an initial state (i.e., when the opening of the third insertion hole 18 is aligned with the wiring through hole 14 above), and the electric wire only passes through the third insertion hole 18 and is not wound around the conduit 33, which results in poor fixing effect at this time, can be avoided.

Through the structural design, during installation, the upper caliper body 1 is firstly inserted into the first installation groove 8 from the opening of the first installation groove 8, part of the upper caliper body extends out of the opening of the first installation groove 8, the sealing cover 10 is opened, and cooling liquid is filled in the upper caliper body, the cooling liquid can be purchased, the type of the cooling liquid is selected to belong to a conventional means, then one side of the lower caliper body 5 is firstly inserted into the square iron frame 15, the second insertion hole 17 of the lower caliper body 5 is aligned with the first insertion hole 16 of the square iron frame 15, two external electric wires are respectively and sequentially inserted into the two wiring through holes 14, and after sequentially penetrating through the first insertion hole 16 and the second insertion hole 17, the two external electric wires penetrate through the corresponding third insertion hole 18 and partially extend out of the third insertion hole 18, then the installation seat 19 of each side edge is rotated, so that the two electric wires are all wound in the corresponding clamping pipe 33 for one circle, and when the square iron frame 15 is placed into the third mounting groove 13, the limit hole 20 on the mounting seat 19 and a corresponding one of the positioning rods 22 can be matched to insert the positioning rod 22 into the limit hole 20 on the mounting seat 19 after rotation, and finally, the positioning is limited, at the moment, the reset torsion spring 21 does not act, so that the electric wire can be rotated for one circle or more circles on the wire clamping tube 33 all the time, finally, the first heat insulation layer 11 is placed between the plane table 6 of the lower handle 4 and the lower clamp body 5, and the first screw hole 24, the second screw hole 25 and the third screw hole 26 are aligned one by one, then, the corresponding first screw hole 24, the second screw hole 25 and the third screw hole 26 are matched to realize locking and fixing of the lower clamp body 5 on the plane table 6 of the lower handle 4 through the easy fracture of the low screw connection strength at the contact part, and the hinge joint of the first screw hole 24, the second screw hole 25 and the third screw hole 26 on the upper clamp body, the wire clamping device is matched with a hinged shaft 35 to finally complete the assembly of the whole product, and meanwhile, in order to realize that the wire rotates on a wire clamping pipe 33 for a plurality of circles, the length of the wire extending out of a second jack 17 needs to be as long as possible, so through the structural design, the cooling cavity 9 is arranged in the upper handle 2 corresponding to the two sides of the upper clamp body 1 to improve the cooling and heat isolating effects on the upper handle 2, meanwhile, the lower handle 4 is arranged from a mesoporous structure to further improve the heat radiating effect, the fixed connection strength on the wire is finally improved by adopting a clamping and winding fixing mode for the wire connection and welding in the later period, thus, the double protection is realized, the connection part with the lower clamp body 5 is not easy to pull, meanwhile, the first heat insulation layer is arranged to improve the heat insulation and heat radiating effects on the lower handle 4, and finally, the problem that the connection part with low connection strength is easy to break, poor heat dissipation effect.

When the electric welding clamp is used, two electric wires are electrified to ensure that the lower clamp body 5 is electrified and heated, and then the upper clamp body 1 and the lower clamp body 5 are matched to perform electric welding on a product.

Example 2:

as shown in fig. 4, the electrode holders with improved connection and heat dissipation functions provided by this embodiment are provided with a heat dissipation rib 30 at the center hole of the upper handle 2 for improving the heat dissipation effect, one end of the heat dissipation rib 30 extends into the square iron frame 15 and is connected to the lower holder 5 in a butting manner, a branched heat dissipation fork 31 is arranged at the side edge of the heat dissipation rib 30, a second heat insulation layer 32 is arranged on the inner side wall of the upper handle 2, the heat dissipation rib 30 is located in the second heat insulation layer 32, and by the above structure, when in use, after the lower holder 5 is heated, the heat reaches the handle in order to avoid the heat reaching inconvenience in taking, so that the heat is conducted through the heat dissipation rib 30, and the heat is dissipated through the heat dissipation fork 31, thereby finally improving the overall heat dissipation effect.

Claims

1. The electric welding pliers with the improved connection and heat dissipation functions comprise an upper pliers body (1), an upper handle (2), a reset spring (3), a lower handle (4) and a lower pliers body (5), wherein the upper pliers body (1) is fixed on the upper handle (2), the lower pliers body (5) is fixed on the lower handle (4), the upper pliers body (1) is connected with the lower pliers body (5) in an articulated manner, two ends of the reset spring (3) are respectively abutted and fixed with the upper handle (2) and the lower handle (4), the electric welding pliers are characterized in that the upper handle (2) and the lower handle (4) respectively comprise a plane table (6) and a handle part (7), an opening is arranged in the upper handle (2) and is positioned on the plane table (6) and is synchronously arranged in a first mounting groove (8) extending towards the inside of the handle part (7) along the extending direction of the handle part (7), the upper clamp body (1) is inserted into the first mounting groove (8) from the opening of the first mounting groove (8), and part of the upper clamp body extends out of the opening of the first mounting groove (8) and then is matched with the upper clamp body (1), a cooling cavity (9) with the shape consistent with that of the first mounting groove (8) is arranged on two sides of the upper handle (2) corresponding to the first mounting groove (8), cooling liquid is arranged in the cooling cavity (9), a sealing cover (10) used for sealing the inlet of the cooling cavity (9) is arranged on a plane platform (6) of the upper handle (2), a first heat insulation layer (11) is arranged between the plane platform (6) of the lower handle (4) and the lower clamp body (5), more than one air hole (12) is arranged on the plane platform (6) of the first heat insulation layer (11) and the lower handle (4), and a handle part (7) of the lower handle (4) is of a mesopore structure, a third mounting groove (13) is arranged between the plane platform (6) and the handle part (7) of the lower handle (4), two wiring through holes (14) which are communicated with the inside of the third mounting groove (13) are arranged on the third mounting groove (13), a square iron frame (15) is clamped in the third mounting groove (13), two first jacks (16) which are aligned with the corresponding wiring through holes (14) are arranged on the square iron frame (15), one side of the lower clamp body (5) extends into the square iron frame (15), two second jacks (17) which are aligned with the first jacks (16) are arranged on the lower clamp body (5), a wire clamping pipe (33) is arranged below each first jack (16) in the square iron frame (15), a third jack (18) which is aligned with the corresponding first jack (16) is arranged on the wire clamping pipe (33), one side of each wire clamping pipe (33) penetrates through the side of the square iron frame (15) and is connected with a mounting seat (19), the side of mount pad (19) is equipped with spacing hole (20), is equipped with reset torsion spring (21) that resets spool (33) in the position that spool (33) and square iron frame (15) run through, is equipped with in third mounting groove (13) and can stretches into spacing hole (20) and carry out two locating levers (22) of location locking to spool (33).

2. Electrode holders with improved attachment and heat dissipation according to claim 1, characterized in that the lower handle (4) is provided with reinforcement ribs (23) on both sides.

3. The electrode holder with the improved connecting and heat dissipating functions as claimed in claim 1 or 2, wherein more than one first screw hole (24) is provided on the flat table (6) of the lower handle (4), second screw holes (25) aligned with the first screw holes (24) one by one are provided on the lower holder body (5), and third screw holes (26) aligned with the second screw holes (25) are provided on both the first heat insulating layer (11) and the flat table (6) of the lower handle (4).

4. The electrode holder with the improved connection and heat dissipation functions as claimed in claim 1 or 2, wherein a recessed extension portion (27) is provided at a side edge below the third mounting groove (13), a spring limiting hole (28) is provided in the extension portion (27), a limiting post (29) for being snapped into one end of the return spring (3) is provided on the upper handle (2), and the other end of the return spring (3) is snapped into the spring limiting hole (28).

5. The electrode holder capable of improving the connection and heat dissipation functions as claimed in claim 1 or 2, wherein a heat dissipation rib (30) is arranged in the middle hole of the upper handle (2), one end of the heat dissipation rib (30) extends into the square iron frame (15) and is connected with the lower holder body (5) in a propping manner, a branched heat dissipation fork (31) is arranged on the side edge of the heat dissipation rib (30), a second heat insulation layer (32) is arranged on the inner side wall of the upper handle (2), and the heat dissipation rib (30) is arranged in the second heat insulation layer (32).