CN209993463U

CN209993463U - Stick-shaped inductor for heat-resistant electric tool

Info

Publication number: CN209993463U
Application number: CN201920642350.6U
Authority: CN
Inventors: 邓志忠
Original assignee: Huai'an Hengyi Electronic Co Ltd
Current assignee: Huai'an Hengyi Electronic Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-24
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a hinder hot formula rod type inductance for electric tool, comprising a base plate, one side outer wall central position department of bottom plate has seted up spacing hole, the inside in spacing hole is provided with the magnetic core, around being equipped with the coil on the outer wall of magnetic core, the one end of coil is provided with first lead wire, and the other end is provided with the second lead wire, one side position department that is close to the magnetic core on one side outer wall of bottom plate is provided with the insulating support pole, the one end of keeping away from the bottom plate on the insulating support pole is seted up flutedly. This hinder hot formula rod type inductance for electric tool, through insulating bracing piece on the bottom plate with insulating the effectual coil department of bending of filling up support, the department of bending of coil is protected on the one hand, avoid the problem that the friction led to the fact the short circuit between the coil, guarantee that two children of coil wiring end are in relatively independent stable position on, on the other hand is effectual supports the coil wiring end, avoid the not hard up problem of rocking of coil wiring end, guarantee the stability of rod type inductance work.

Description

Stick-shaped inductor for heat-resistant electric tool

Technical Field

The utility model relates to an inductance technical field specifically is a hinder excellent type inductance for hot-type electric tool.

Background

The inductor is an electromagnetic induction element wound by an insulated conducting wire and is one of the commonly used components in an electronic circuit, and the inductor is a group of coaxial wire turns connected in series and wound on an insulated framework, a magnetic core and an iron core by an enameled wire, a yarn-covered wire or a plastic covered wire and the like and is mainly used for isolating and filtering alternating current signals or forming a resonant circuit with a capacitor, a resistor and the like.

Bar type inductance on the existing market is usually with the wiring end of coil after the back rewelding when being connected coil and pin, the wiring end of coil receives external force easily and rocks, the wiring end support capacity of coil is weak and causes the unstable problem of bar type inductance work easily, some electrician's instrument vibration at the during operation can cause the problem that the inductance connection is not hard up to drop, in addition, the coil on the bar type inductance is mostly exposed outside, receives outside electromagnetism and high temperature interference easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hinder excellent type inductance for hot formula electric tool to it receives external factor easily to put forward current excellent type inductance in the above-mentioned background art and causes the job instability to solve, installs the problem that insecure and interference killing feature are weak.

In order to achieve the above object, the utility model provides a following technical scheme: a rod-shaped inductor for a heat-resistant electric tool comprises a bottom plate, wherein a limiting hole is formed in the center of the outer wall of one side of the bottom plate, a magnetic core is arranged in the limiting hole, a coil is wound on the outer wall of the magnetic core, a first lead is arranged at one end of the coil, a second lead is arranged at the other end of the coil, an insulating support rod is arranged at the position, close to the magnetic core, of the outer wall of one side of the bottom plate, a groove is formed in one end, far away from the bottom plate, of the insulating support rod, an insulating pad is arranged in the groove, a soldering tin hole is formed in the outer wall, far away from the limiting hole, of the bottom plate, and pins are arranged at one; the shielding sleeve is sleeved on the outer walls of the top plate and the bottom plate, and a heat insulation layer is arranged on the outer wall of one side, far away from the magnetic core, of the shielding sleeve.

Preferably, a top plate is arranged at one end, far away from the bottom plate, of the magnetic core, and the coil is of a spiral structure.

Preferably, two supporting legs are symmetrically embedded in the position, close to one side of the pin, on the outer wall of one side of the bottom plate.

Preferably, the soldering tin hole is of a round table structure, and the soldering tin liquid is arranged in the soldering tin hole.

Preferably, the angle between the first lead and the second lead and the coil is 90 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: this hinder hot formula bar type inductance for electric tool, through insulating bracing piece on the bottom plate with insulating the effectual coil department of bending of filling up support, on the one hand protect the coil department of bending, avoid the problem that the friction caused the short circuit between the coil, guarantee that coil and wiring end are in on the relatively independent stable position, on the other hand is effectual to support the coil wiring end, avoid the not hard up problem of rocking of coil wiring end, guarantee the stability of bar type inductance work, in addition, through effectual isolated outside electromagnetic interference and the high temperature influence of housing and insulating layer.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the external structure of the present invention;

fig. 4 is a bottom view of the present invention.

In the figure: 1. a coil; 2. a magnetic core; 3. a top plate; 4. an insulating pad; 5. a shielding sleeve; 6. a thermal insulation layer; 7. an insulating support rod; 8. a first lead; 9. a base plate; 10. a pin; 11. supporting legs; 12. a limiting hole; 13. soldering tin holes; 14. a second lead; 15. and (4) a groove.

Detailed Description

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 provides a technical solution: a heat-resistant rod-shaped inductor for an electric tool comprises a coil 1, a magnetic core 2, a top plate 3, an insulating pad 4, a shielding sleeve 5, a heat insulation layer 6, an insulating support rod 7, a first lead 8, a bottom plate 9, pins 10, support legs 11, a limiting hole 12, a soldering tin hole 13, a second lead 14 and a groove 15, wherein the central position of the outer wall of one side of the bottom plate 9 is provided with the limiting hole 12, the magnetic core 2 is arranged in the limiting hole 12, the coil 1 is wound on the outer wall of the magnetic core 2, one end of the coil 1 is provided with the first lead 8, the other end of the coil is provided with the second lead 14, the insulating support rod 7 is arranged at the position, close to the magnetic core 2, of the outer wall of one side of the bottom plate 9, the groove 15 is arranged at one end of the insulating support rod 7 far away from the bottom plate 9, the insulating pad 4 is, one ends of the first lead 8 and the second lead 14 are each provided with a pin 10.

Furthermore, a top plate 3 is arranged at one end, far away from the bottom plate 9, of the magnetic core 2, and the coil 1 is of a spiral structure, so that the winding amount of the coil 1 is increased.

Further, the outer walls of the top plate 3 and the bottom plate 9 are sleeved with a shielding sleeve 5, and a heat insulation layer 6 is arranged on the outer wall of one side of the shielding sleeve 5, which is far away from the magnetic core 2, so that the electromagnetic signal and high temperature shielding effect is achieved.

Furthermore, two supporting legs 11 are symmetrically embedded in the position, close to the pin 10, of one side of the outer wall of the bottom plate 9, so that the stability of the bar-shaped inductor support is improved.

Furthermore, the soldering tin hole 13 is of a round table structure, and soldering tin liquid is arranged in the soldering tin hole 13, so that firm welding is guaranteed.

Further, the angle between the first lead 8 and the second lead 14 and the coil 1 is 90 degrees, so that the stability of the support of the insulating support rod 7 is ensured.

The working principle is as follows: when the device is used, the coil 1 is spirally wound on the magnetic core 2, one end of the magnetic core 2 is inserted into the limiting hole 12 on the bottom plate 9, the first lead wire 8 and the second lead wire 14 at one end of the coil 1 are bent and then inserted into the soldering tin hole 13, when the first lead wire 8 and the second lead wire 14 are bent, the groove 15 at one end of the insulating support rod 7 is clamped at the bent position and is protected by the insulating pad 4, the pin 10 is welded with the first lead wire 8 and the second lead wire 14, soldering tin liquid is injected into the soldering tin hole 13 in the welding process, the soldering tin hole 13 is ensured to be filled with the soldering tin liquid, the first lead wire 8 and the second lead wire 14 are connected with external detection equipment and are used for detecting the quality of an inductor, when the quality of the inductor is not problematic, the other end of the magnetic core 2 is inserted into the top plate 3, the shielding sleeve 5 is sleeved on the top plate 3 and the bottom plate 9, and the shielding sleeve 5, a heat insulation layer 6 is adhered to one side of the shielding sleeve 5, so that the influence of external temperature on the working stability of the inductor is avoided.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A hinder bar type inductance for hot type electric tool, includes bottom plate (9), its characterized in that: a limiting hole (12) is formed in the center of the outer wall of one side of the bottom plate (9), a magnetic core (2) is arranged in the limiting hole (12), a coil (1) is wound on the outer wall of the magnetic core (2), a first lead (8) is arranged at one end of the coil (1), a second lead (14) is arranged at the other end of the coil, an insulating support rod (7) is arranged at the position, close to the magnetic core (2), of one side of the outer wall of one side of the bottom plate (9), a groove (15) is formed in one end, far away from the bottom plate (9), of the insulating support rod (7), an insulating pad (4) is arranged in the groove (15), a soldering tin hole (13) is formed in the outer wall of one side, far away from the limiting hole (12), of the bottom plate (9), and pins (10) are arranged at one ends of the first lead; the shielding sleeve (5) is sleeved on the outer walls of the top plate (3) and the bottom plate (9), and a heat insulation layer (6) is arranged on the outer wall of one side, far away from the magnetic core (2), of the shielding sleeve (5).

2. The rod-shaped inductor for a heat-resistant electric power tool according to claim 1, characterized in that: and a top plate (3) is arranged at one end of the magnetic core (2) far away from the bottom plate (9), and the coil (1) is of a spiral structure.

3. The rod-shaped inductor for a heat-resistant electric power tool according to claim 1, characterized in that: two supporting legs (11) are symmetrically embedded in the position, close to one side of the pin (10), of the outer wall of one side of the bottom plate (9).

4. The rod-shaped inductor for a heat-resistant electric power tool according to claim 1, characterized in that: the soldering tin hole (13) is of a round table type structure, and soldering tin liquid is arranged in the soldering tin hole (13).

5. The rod-shaped inductor for a heat-resistant electric power tool according to claim 1, characterized in that: the angle between the first lead (8) and the second lead (14) and the coil (1) is 90 degrees.