CN213752262U

CN213752262U - Linear self-fixing fusible inductor and motor brush carrier comprising same

Info

Publication number: CN213752262U
Application number: CN202021686644.8U
Authority: CN
Inventors: 巢锋; 左志强; 姚芳; 张金军
Original assignee: Jiangsu Chaoli Electric Inc
Current assignee: Jiangsu Chaoli Electric Inc
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-07-20
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a style of calligraphy is from fixed fusible inductance and including its motor brush yoke, including the plug and twine the enamelled coil on it, the plug both ends are equipped with the chute of certain angle, enamelled coil both ends outside a circle coil slope sets up, and unanimous with the chute angle at plug both ends, including wrapping up the plug completely. The bevel angles are arranged at the two ends of the core rod, the inclined grooves are arranged in the bevel angles, the outermost circle of coil at the two ends of the enameled coil is obliquely arranged in accordance with the angle of the inclined grooves at the two ends of the graphite core rod, and the graphite core rod is completely wrapped, so that the fixing steps of the graphite rod and the coil are reduced, the use of glue is avoided, and the safety of circuit fusing when the temperature is high is improved.

Description

Linear self-fixing fusible inductor and motor brush carrier comprising same

Technical Field

The utility model relates to a style of calligraphy is from fixed fusible inductance and including its motor brush yoke.

Background

With the increasing safety requirements of automobiles, a thermal fuse device is required to be added into a circuit of a cooling fan to ensure the safety of the fan when the fan meets emergency. The fusible inductor is one of the thermal fusing devices, but the conventional fusible inductor uses glue to fix the enameled coil and the core rod, so that the fixing process is complicated; and when the inductor is self-fusing, the temperature is higher, and the glue used for fixing the inductor is easy to lose efficacy under a high-temperature environment, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a style of calligraphy is from fixed fusible inductance and including its motor brush yoke, the enameled coil wraps up the plug completely in inside and carries out from fixing, has reduced the fixed step of graphite rod and coil, avoids the use of glue, the security of circuit fusing when the increase temperature is higher. The specific technical scheme is as follows:

at first, the utility model provides a style of calligraphy is from fixed fusible inductance, including plug and the enameled coil of winding on it, the plug both ends are equipped with the chute of certain angle, enameled coil both ends outside a circle of coil slope sets up, and unanimous with the chute angle at plug both ends, including wrapping up the plug completely.

Preferably, in the aforementioned linear self-fixing fusible inductor, the core rod is a cylindrical graphite rod.

In the above linear self-fixing fusible inductor, the chutes at two ends of the core rod are arranged on the same side, and the two ends of the core rod are chamfered, and the chutes are arranged on the chamfered side; the diameter of one circle of coil on the outermost side of two ends of the enameled coil is smaller than that of the core rod.

Preferably, in the aforementioned linear self-fixing fusible inductor, the leads at two ends of the enameled coil are on the same straight line.

In the above-mentioned linear self-fixing fusible inductor, the enameled coil is composed of two sections of coils, and the two sections of coils are fixed together by liquid metal tin at the middle position of the graphite core rod.

Preferably, in the linear self-fixing fusible inductor, the joints between the two sections of coils are located on two sides of the core rod and arranged in parallel and in the same direction; the liquid metallic tin laterally joins the two together.

The utility model also provides a motor brush yoke is equipped with aforementioned a style of calligraphy on this motor brush yoke from fixed fusible inductance.

Preferably, the linear self-fixing fusible inductor is connected with the motor brush holder through spot welding.

Preferably, the linear self-fixing fusible inductor is arranged at a fixed position on one side of the motor brush holder.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the chute with the both ends chamfer of graphite plug, the slope setting that is unanimous with the chute angle at graphite plug both ends is wrapped up the graphite plug completely to a circle coil in the outside at enamelled coil both ends to reduce the fixed step of graphite rod and coil, avoid the use of glue, the security of circuit fusing when the increase in temperature is higher.

Drawings

Fig. 1 is a schematic structural view of a linear self-fixing fusible inductor according to the present invention;

fig. 2 is a schematic structural view of the linear self-fixing fusible inductor of the present invention mounted on a motor brush holder.

In the figure: 1. a core rod; 2. an enameled coil; 3. a chute; 4. a lead wire; 5. liquid metallic tin; 6. a joint; 7. a linear self-fixed fusible inductor; 8. a motor brush holder.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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. The specific embodiment is as follows:

a linear self-fixing fusible inductor comprises a core rod 1 and an enameled coil 2 wound on the core rod 1, wherein two ends of the core rod 1 are provided with chutes 3 with certain angles, one outermost coil of two ends of the enameled coil 2 is obliquely arranged and is consistent with the chutes 3 at two ends of the core rod 1 in angle, and the core rod 1 is completely wrapped inside, so that the fixing steps of graphite rods and coils are reduced, the use of glue is avoided, and the safety of circuit fusing when the temperature is high is improved.

In the linear self-fixing fusible inductor according to the present embodiment, the core rod 1 is a cylindrical graphite rod. The inclined grooves 3 at two ends of the core rod 1 are arranged on the same side, the two ends of the core rod 1 are chamfered, and the inclined grooves 3 are arranged on the chamfered sides; the diameter of one circle of coil on the outermost side of two ends of the enameled coil 2 is smaller than that of the core rod 1, so that the enameled coil 2 is guaranteed to completely wrap the core rod 1. In addition, lead wires 4 at two ends of the enameled coil 2 are on the same straight line, so that the occupied space of an inductor is reduced, and later-stage installation and use are facilitated.

In the linear self-fixing fusible inductor, the enameled coil 2 is composed of two sections of coils, and the two sections of coils are fixed together at the middle position of the graphite core rod 1 through the liquid metal tin 5. Specifically, the joints 6 between the two sections of coils are positioned on two sides of the core rod 1 and arranged in parallel and in the same direction; the liquid metal tin 5 transversely connects the two together, so that the using amount of the liquid metal tin 5 is saved, the liquid metal tin 5 is also ensured to be fused when the temperature is too high, and the safety of the motor is ensured.

In addition, the present embodiment also relates to a motor brush holder, as shown in fig. 2, the motor brush holder is provided with the linear self-fixing fusible inductor 7. The linear self-fixing fusible inductor 7 is connected with the motor brush holder 8 through spot welding, and the linear self-fixing fusible inductor 7 and the capacitor are both arranged at fixed positions on one side of the motor brush holder 8.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a style of calligraphy is from fixed fusible inductance, includes plug (1) and winding enamelled coil (2) on it, its characterized in that: the two ends of the core rod (1) are provided with inclined grooves (3) with certain angles, one outermost turn of the enameled coil (2) is obliquely arranged and has the same angle with the inclined grooves (3) at the two ends of the core rod (1), and the core rod (1) is completely wrapped inside.

2. The in-line self-setting fusible inductor of claim 1, wherein: the core rod (1) is a cylindrical graphite rod.

3. The in-line self-setting fusible inductor of claim 1, wherein: the inclined grooves (3) at the two ends of the core rod (1) are arranged on the same side, the two ends of the core rod (1) are chamfered, and the inclined grooves (3) are arranged on the chamfered sides; the diameter of one turn of coil at the outermost sides of the two ends of the enameled coil (2) is smaller than that of the core rod (1).

4. The in-line self-setting fusible inductor of claim 1, wherein: and the lead wires (4) at the two ends of the enameled coil (2) are on the same straight line.

5. The in-line self-setting fusible inductor of claim 1, wherein: the enameled coil (2) is composed of two sections of coils, and the two sections of coils are fixed together at the middle position of the core rod (1) through liquid metal tin (5).

6. The in-line self-setting fusible inductor of claim 5, wherein: the joints (6) between the two sections of coils are positioned on two sides of the core rod (1) and arranged in parallel and in the same direction; the liquid metallic tin (5) laterally connects the two together.

7. A motor brush yoke, its characterized in that: it is provided with a linear self-fixed fusible inductor (7) according to any one of claims 1 to 6.

8. An electric motor brush holder according to claim 7, wherein: the linear self-fixing fusible inductor is connected with the motor brush holder (8) through spot welding.

9. An electric motor brush holder according to claim 7, wherein: the linear self-fixing fusible inductor (7) is arranged at a fixed position on one side of the motor brush holder (8).