CN106817789B

CN106817789B - Induction coil with adjustable curvature

Info

Publication number: CN106817789B
Application number: CN201611196024.4A
Authority: CN
Inventors: 徐玉尧; 程以明; 音邦熙
Original assignee: HEFEI XUNDA ELECTRICAL APPLIANCE CO Ltd
Current assignee: HEFEI XUNDA ELECTRICAL APPLIANCE CO Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2020-02-14
Anticipated expiration: 2036-12-22
Also published as: CN106817789A

Abstract

The invention discloses an induction coil with adjustable curvature, which comprises a first induction coil and a second induction coil, wherein the first induction coil is positioned on the left side of the second induction coil, the bottoms of the first induction coil and the second induction coil are respectively welded with a first connecting rod and a second connecting rod, the bottom ends of the first connecting rod and the second connecting rod are respectively welded with a first fixing plate and a second fixing plate, through holes are formed in the first fixing plate and the second fixing plate, the first induction coil and the second induction coil are movably connected through two telescopic devices, and each telescopic device comprises a first connecting block and a second connecting block. This induction coil with adjustable curvature, the fixed cover in inside of bearing has connect the rod cover, and the internal surface of rod cover is provided with the internal thread, and the internal thread of rod cover is connected with the screw rod, and the one end of screw rod extends rod cover to the rod cover outside and through second round pin axle and second connecting block swing joint, and it is simple and convenient to use, labour saving and time saving has solved the problem that current induction coil does not possess the function that changes the curvature.

Description

Induction coil with adjustable curvature

Technical Field

The invention relates to the technical field of induction coils, in particular to an induction coil with adjustable curvature.

Background

When carrying out the return bend processing, need push the straight tube slowly and through the heating section, the straight tube is broken off with the fingers and thumb to the device that the rethread was bent, use the induction coil to heat the straight tube when heating process, the straight tube just will break off with the fingers and thumb processing behind the induction coil, so the induction coil needs the crookedness that adapts to the return bend just to make going on that the return bend processing is smooth, but current induction coil is fixed knot structure mostly, do not possess the function that changes the curvature, when the return bend of different crookedness of processing, need change the induction coil of different curvatures, waste time and energy, influence work efficiency.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the induction coil with adjustable curvature, and solves the problem that the conventional induction coil does not have the function of changing the curvature.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an induction coil with adjustable curvature, includes first induction coil and second induction coil, first induction coil is located the left side of second induction coil, the bottom of first induction coil and second induction coil has welded first connecting rod and second connecting rod respectively, the bottom of first connecting rod and second connecting rod has welded first fixed plate and second fixed plate respectively, the through-hole has all been seted up on first fixed plate and the second fixed plate, first induction coil and second induction coil are through two telescoping device swing joint.

The telescoping device includes first connecting block and second connecting block, a side fixed connection of first connecting block and first induction loop, a side fixed connection of second connecting block and second induction loop, first connecting block has the third connecting block through first round pin axle swing joint, the one end welding that first connecting block was kept away from to the third connecting block has the fourth connecting block, and a side that the third connecting block was kept away from to the fourth connecting block is seted up flutedly, and the inside fixed mounting of recess has a bearing, the fixed rod cover that has cup jointed in inside of bearing, the internal surface of rod cover is provided with the internal thread, the inside threaded connection of rod cover has the screw rod, the one end of screw rod is extended rod cover to rod cover outside and is passed through second round pin axle and second connecting block swing joint.

Preferably, the equal fixed mounting in inside of first induction coil and second induction coil has stop device, two stop device all includes cushion and backing plate, two the cushion is connected with the internal surface fixed of first induction coil and second induction coil respectively, the upper surface of cushion has still welded the gag lever post, the spring has been cup jointed in the outside activity of gag lever post, the top of spring and the lower fixed surface of backing plate are connected, the spacing groove has been seted up to the position that the lower surface of backing plate corresponds the gag lever post, the one end of gag lever post extends to the inside of spacing groove.

Preferably, the backing plate is arc-shaped, and the arc length of the inner side of the backing plate is one fourth of the circumference of the inner ring of the first induction coil.

Preferably, the through holes are arranged on the first fixing plate and the second fixing plate in a matrix manner, and the bottoms of the first fixing plate and the second fixing plate are both arc-shaped.

Preferably, the telescopic device is symmetrically arranged between the first induction coil and the second induction coil, and the inner diameters of the first induction coil and the second induction coil are the same.

Preferably, the number of the through holes is not less than six, and the through holes are in a strip shape.

(III) advantageous effects

The invention provides an induction coil with adjustable curvature, which has the following beneficial effects:

(1) the induction coil with the adjustable curvature comprises a first induction coil and a second induction coil which are movably connected through two telescopic devices, each telescopic device comprises a first connecting block and a second connecting block, each first connecting block is movably connected with a third connecting block through a first pin shaft, each third connecting block can rotate relative to each second connecting block by taking the first pin shaft as a center, a rod sleeve is fixedly sleeved inside each bearing, inner threads are arranged on the inner surface of the rod sleeve, a screw rod is connected with the inner threads of the rod sleeve, one end of the screw rod extends out of the rod sleeve to the outside of the rod sleeve and is movably connected with the second connecting blocks through the second pin shafts, the position of the screw rod in the rod sleeve can be adjusted by screwing the rod sleeve, the length of each telescopic device is further adjusted, the distance between the first induction coil and the second induction coil is changed, and the curvature formed between the first induction coil and the second induction coil can be changed accordingly, the induction coil does not need to be replaced when the bent pipes with different curvatures are processed, the use is simple and convenient, time and labor are saved, and the problem that the existing induction coil does not have the function of changing the curvatures is solved.

(2) This induction coil with adjustable curvature has stop device through the equal fixed mounting in the inside of first induction coil and second induction coil, and the spring has been cup jointed in the outside activity of gag lever post, and the top of spring and the lower fixed surface of backing plate are connected, can carry on spacingly for the straight tube that gets into first induction coil and second induction coil, make it not contact with first induction coil and second induction coil, can avoid the insulating layer on induction coil surface to be destroyed, influence the normal use of induction coil.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a view of the telescoping device of the present invention;

fig. 5 is a diagram of the limiting device of the invention.

In the figure: 1 first induction coil, 2 second induction coils, 3 first connecting rods, 4 second connecting rods, 5 first fixed plates, 6 second fixed plates, 7 through holes, 8 telescoping devices, 9 first connecting blocks, 10 second connecting blocks, 11 first pin shafts, 12 third connecting blocks, 13 fourth connecting blocks, 14 bearings, 15 rod sleeves, 16 internal threads, 17 screw rods, 18 second pin shafts, 19 limiting devices, 20 cushion blocks, 21 backing plates, 22 limiting rods, 23 springs and 24 limiting grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an induction coil with adjustable curvature comprises a first induction coil 1 and a second induction coil 2, wherein the first induction coil 1 is positioned on the left side of the second induction coil 2, a first connecting rod 3 and a second connecting rod 4 are respectively welded at the bottoms of the first induction coil 1 and the second induction coil 2, a first fixing plate 5 and a second fixing plate 6 are respectively welded at the bottom ends of the first connecting rod 3 and the second connecting rod 4, through holes 7 are respectively formed in the first fixing plate 5 and the second fixing plate 6, the number of the through holes 7 is not less than six, the through holes 7 are in a strip shape, the through holes 7 are arranged on the first fixing plate 5 and the second fixing plate 6 in a matrix manner, the bottoms of the first fixing plate 5 and the second fixing plate 6 are in an arc shape, the first fixing plate 5 and the second fixing plate 6 can adapt to different curvatures formed by the first induction coil 1 and the second induction coil 2, and the induction coil with adjustable curvature can be conveniently fixed on a working place, first induction coil 1 and second induction coil 2 are through two telescoping device 8 swing joint, and telescoping device 8 symmetry sets up between first induction coil 1 and second induction coil 2, and the internal diameter of first induction coil 1 and second induction coil 2 is the same, and first induction coil 1 is the same with 2 specifications of second induction coil, can not produce the conflict when carrying out the return bend processing.

The telescopic device 8 comprises a first connecting block 9 and a second connecting block 10, the first connecting block 9 is fixedly connected with one side surface of the first induction ring 1, the second connecting block 10 is fixedly connected with one side surface of the second induction ring 2, the first connecting block 9 is movably connected with a third connecting block 12 through a first pin shaft 11, one end, far away from the first connecting block 9, of the third connecting block 12 is welded with a fourth connecting block 13, one side surface, far away from the third connecting block 12, of the fourth connecting block 13 is provided with a groove, a bearing 14 is fixedly installed inside the groove, a rod sleeve 15 is fixedly sleeved inside the bearing 14, the rod sleeve 15 can rotate in the groove, an internal thread 16 is arranged on the inner surface of the rod sleeve 15, a screw rod 17 is connected with the internal thread of the rod sleeve 15, one end of the screw rod 17 extends out of the rod sleeve 15 and is movably connected with the second connecting block 10 through a second pin shaft 18, the rotating rod sleeve 15 can adjust the length of the screw rod, further adjusting the length of the telescopic device 8, so that the curvature formed between the first induction coil 1 and the second induction coil 2 is changed, the induction coils do not need to be replaced when bent pipes with different curvatures are processed, the use is simple and convenient, time and labor are saved, and the problem that the existing induction coil does not have the function of changing the curvature is solved, the limiting devices 19 are fixedly arranged inside the first induction coil 1 and the second induction coil 2, the two limiting devices 19 respectively comprise cushion blocks 20 and backing plates 21, the backing plates 21 are arc-shaped, the arc length of the inner sides of the backing plates 21 is one fourth of the circumference of the inner ring of the first induction coil 1, the two cushion blocks 20 are respectively and fixedly connected with the inner surfaces of the first induction coil 1 and the second induction coil 2, limiting rods 22 are welded on the upper surfaces of the cushion blocks 20, springs 23 are movably sleeved outside the limiting rods 22, the top ends of the springs 23 are fixedly connected with the lower surface of the backing plates 21, limiting grooves 24 are formed on the lower surfaces of the, one end of the limiting rod 22 extends to the inside of the limiting groove 24, and can limit the straight pipe entering the first induction coil 1 and the second induction coil 2, so that the straight pipe does not contact the first induction coil 1 and the second induction coil 2, and the insulating layer on the surface of the induction coil can be prevented from being damaged, and the normal use of the induction coil is influenced.

During the use, the user rotates rod cover 15 in the telescoping device 8 according to the curvature needs to the induction coil during processing, adjusts the angle between first induction coil 1 and the second induction coil 2, then fixes the induction coil that this curvature is adjustable through first fixed plate 5 and second fixed plate 6 at the place of work, and the pipe that will process lets in first induction coil 1 and second induction coil 2 respectively in, makes the surface contact of the surface of pipe and backing plate 21.

In conclusion, in the curvature-adjustable induction coil, the first induction coil 1 and the second induction coil 2 are movably connected through two expansion devices 8, each expansion device 8 comprises a first connecting block 9 and a second connecting block 10, the first connecting block 9 is movably connected with a third connecting block 12 through a first pin 11, the third connecting block 12 can rotate around the first pin 11 relative to the second connecting block 9, a rod sleeve 15 is fixedly sleeved inside a bearing 14, an internal thread 16 is arranged on the inner surface of the rod sleeve 15, a screw 17 is connected with the internal thread of the rod sleeve 15, one end of the screw 17 extends out of the rod sleeve 15 to the outside of the rod sleeve 15 and is movably connected with the second connecting block 10 through a second pin 18, the position of the screw 17 in the rod sleeve 15 can be adjusted by screwing the rod sleeve 15, the length of each expansion device 8 is adjusted, and the distance between the first induction coil 1 and the second induction coil 2 is changed, the curvature that forms between first induction coil 1 and the second induction coil 2 also can change thereupon, need not change the induction coil when the return bend of different curvatures of processing, and it is simple and convenient to use, labour saving and time saving has solved the problem that current induction coil does not possess the function that changes the curvature.

This induction coil with adjustable curvature, there is stop device 19 through the equal fixed mounting in the inside of first induction coil 1 and second induction coil 2, spring 23 has been cup jointed in the outside activity of gag lever post 22, the top of spring 23 and the lower fixed surface of backing plate 21 are connected, can carry on spacingly for the straight tube that gets into first induction coil 1 and second induction coil 2, make it not contact with first induction coil 1 and second induction coil 2, can avoid the insulating layer on induction coil surface to be destroyed, influence the normal use of induction coil.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The element defined by the sentence "comprising one.. said, does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element, the electrical elements presented therein are all electrically connected to an external master and 220V mains, and the master may be a conventionally known apparatus, such as a computer, which acts as a control.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an induction coil with adjustable curvature, includes first induction coil (1) and second induction coil (2), first induction coil (1) is located the left side of second induction coil (2), its characterized in that: the bottom of the first induction coil (1) and the bottom of the second induction coil (2) are respectively welded with a first connecting rod (3) and a second connecting rod (4), the bottom ends of the first connecting rod (3) and the second connecting rod (4) are respectively welded with a first fixing plate (5) and a second fixing plate (6), the first fixing plate (5) and the second fixing plate (6) are respectively provided with a through hole (7), and the first induction coil (1) and the second induction coil (2) are movably connected through two telescopic devices (8);

the telescopic device (8) comprises a first connecting block (9) and a second connecting block (10), the first connecting block (9) is fixedly connected with one side face of the first induction coil (1), the second connecting block (10) is fixedly connected with one side face of the second induction coil (2), the first connecting block (9) is movably connected with a third connecting block (12) through a first pin shaft (11), one end, far away from the first connecting block (9), of the third connecting block (12) is welded with a fourth connecting block (13), one side face, far away from the third connecting block (12), of the fourth connecting block (13) is provided with a groove, a bearing (14) is fixedly arranged inside the groove, a rod sleeve (15) is fixedly sleeved inside the bearing (14), an internal thread (16) is arranged on the inner surface of the rod sleeve (15), and a screw rod (17) is connected with the internal thread (16) of the rod sleeve (15), one end of the screw rod (17) extends out of the rod sleeve (15) to the outside of the rod sleeve (15) and is movably connected with the second connecting block (10) through a second pin shaft (18).

2. The adjustable curvature induction coil of claim 1, wherein: the equal fixed mounting in inside of first induction coil (1) and second induction coil (2) has stop device (19), two stop device (19) all include cushion (20) and backing plate (21), two cushion (20) are connected with the internal surface fixed connection of first induction coil (1) and second induction coil (2) respectively, gag lever post (22) have still been welded to the upper surface of cushion (20), spring (23) have been cup jointed in the outside activity of gag lever post (22), the top of spring (23) is connected with the lower fixed surface of backing plate (21), spacing groove (24) have been seted up to the position that the lower surface of backing plate (21) corresponds gag lever post (22), the one end of gag lever post (22) extends to the inside of spacing groove (24).

3. The adjustable curvature induction coil of claim 2, wherein: the backing plate (21) is arc-shaped, and the arc length of the inner side of the backing plate (21) is one fourth of the circumference of the inner ring of the first induction coil (1).

4. The adjustable curvature induction coil of claim 1, wherein: the through holes (7) are arranged on the first fixing plate (5) and the second fixing plate (6) in a matrix mode, and the bottoms of the first fixing plate (5) and the second fixing plate (6) are arc-shaped.

5. The adjustable curvature induction coil of claim 1, wherein: the telescopic device (8) is symmetrically arranged between the first induction coil (1) and the second induction coil (2), and the inner diameters of the first induction coil (1) and the second induction coil (2) are the same.

6. The adjustable curvature induction coil of claim 1, wherein: six are no less than in the quantity of through-hole (7), through-hole (7) are the bar form.