JPS622735Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a coil winding frame, and in particular, in the coil winding frame of an excitation coil built into an electromagnetic coupling device, etc., the insulation and fixing of the connection between the conductor and the lead wire are improved. This relates to a coil winding frame.

FIG. 1 is a side sectional view showing a brake device used as an electromagnetic coupling device. In Figure 1,
The stator 1 is a first connecting body fixed to a stationary part (not shown), and is divided into parts 1a and 1b, each of which has a facing surface facing each other with a predetermined space 〓G in between. are doing. The non-magnetic ring 2 is for blocking magnetism and is installed on the outer periphery of the air G and attached to the parts 1a and 1b. Excitation coil 3
is applied to the outer periphery of the non-magnetic ring 2, and the stator 1
It is stored inside. The rotor 4 is the second connecting body and is placed in the air G. The rotating shaft 5 is fixed to the rotor 4 and connected to a load (not shown). The bearing 6 is fitted into the stator 1 and rotatably supports the rotating shaft 5. Retaining ring 7a,
Reference numeral 7b is provided on the rotating shaft 5 to position the rotor 4 in the axial direction. The magnetic particles 8 are enclosed in air G. The rubber seal 9 prevents the magnetic particles 8 from flowing out.

Next, the operation of the device configured as described above will be explained. It is now assumed that the rotor 4 is being rotated by a load (not shown) via the rotating shaft 5. In this state, when the excitation coil 3 is energized by a power supply device (not shown), a magnetic flux φ is generated, and the parts 1a and 1b of the stator 1 and the rotor 4 are connected via the magnetic particles 8, and the rotor 4 continues to rotate while stopped or braked.

A conventional excitation coil 2 of a brake device constructed as above is shown in FIGS.

FIG. 2 is a side sectional view showing a conventional coil winding frame. FIG. 3 is a front sectional view taken along the line - in FIG. 2. FIG. 4 is a front sectional view taken along the line - in FIG. 2. FIG. 5 is a side sectional view showing the relationship between a conventional coil winding frame and the stator 1. In FIGS. 2 to 5, the conductor winding frame 3a has a spool-like configuration, and the conductor 3b is wound around the conductor winding frame 3a. Conductor 3b
The winding start end 3c and the winding end end 3d are pulled out from a slit 3e provided in the collar 301 of the conductor winding frame 3a. The lead wire attachment frame 3f is attached to the collar 301 of the conductor winding frame 3a, and
01, it is configured in a pincushion shape and stores a lead wire 3g, and the lead wire 3g and the winding start end 3c and winding end end 3d of the conductor 3b are connected at connection parts 3h and 3i, respectively, Connection part 3h, 3
An insulating tape (not shown) is wrapped around i. The insulating wall 3j insulates and isolates the connecting portions 3h and 3i. The insulating tape 3k is wound around the outer periphery of the conductor 3b. The notch 3l is provided in the lead wire attachment frame 3f, and allows the lead wire 3g to escape when the excitation coil 3 is inserted into the portion 1a of the stator 1, as shown in FIG.

The operation of a brake device using a conventional coil winding frame configured as described above will be explained. now,
When the rotor 4 is being rotated by a load (not shown) via the rotating shaft 5, when the excitation coil 3 is energized by a power supply device (not shown), a magnetic flux φ is generated and the portion 1a of the stator 1, 1b and the rotor 4,
They are connected via magnetic particles 8, and continue to rotate while the rotor 4 is stopped or braked. However, in the conventional coil winding frame, the connecting parts 3h and 3i of the lead wire 3g wound around the lead wire mounting frame 3f rise as shown in FIG. It becomes difficult to insert the excitation coil 3. Also, the connection parts 3h, 3i
There was a drawback that strong insulation had to be provided to prevent short-circuiting through the portion 1a of the stator 1.

This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and in addition to the insulating wall 3j, there are also connecting parts 3h, 3 between the lead wire 3g and the conductor 3b.
An outer peripheral insulator is provided on the outer peripheral side of i, and the connecting portion 3h,
This prevents the 3i from rising. Embodiments of this invention will be described below with reference to the drawings.

FIG. 7 is a side sectional view showing the coil winding frame according to this invention. FIG. 8 is a front sectional view taken along the line - in FIG. 7. FIG. 9 is a front sectional view taken along the line - in FIG. 7. Figures 3 to 5 in the diagram
The same parts as those in the figure are given the same reference numerals. In FIGS. 7 to 9, outer peripheral insulators 3m and 3n are provided on the left and right sides of the outer peripheral side of the insulating wall 3i.

This invention is constructed as described above, and the connection part 3
h and 3i are the lead wire mounting frame 3f and the insulating wall 3j
Since it is installed in a portion surrounded by the peripheral insulators 3m and 3n, the connecting portions 3h and 3i can be completely fixed and insulated.

In addition, in the above embodiment, the outer peripheral insulators 3m, 3n
As shown in FIG.
As long as i can be fixed and insulated, it does not have to be all the way around, and Figure 10 shows a pin-shaped protrusion 3o.
As shown in FIGS. 11 to 13, the insulating wall 3j and the outer peripheral insulators 3m, 3n are connected to a lead wire mounting frame 3f,
It may also be formed by bending a part of the conductor winding frame 3a.
These may be separately molded and attached to the lead wire attachment frame 3f and the conductor winding frame 3a, respectively. Although a brake device which is an electromagnetic coupling device has been described as an example of the use of the excitation coil 3, it is of course applicable to a wide range of other general devices.

As described above, according to this invention, the lead wire connection portion is held within the lead wire mounting frame by providing an insulator on the outer periphery of the connection portion between the lead wire and the conductor. It can be held reliably and insulation can be reliably performed.

[Brief explanation of the drawing]

FIG. 1 is a side view showing a brake device used as an electromagnetic coupling device. FIG. 2 is a side sectional view showing a conventional coil winding frame. 3 and 4 are front cross-sectional views taken along lines - and - of FIG. 2. FIGS. 5 and 6 are explanatory views of conventional winding frames. FIG. 7 is a side sectional view showing one embodiment of the coil winding frame according to this invention. 8 and 9 are front cross-sectional views taken along lines - and - of FIG. 7. 10 to 13 are partial side sectional views showing other embodiments of the coil winding frame according to this invention. In the figures, the same parts in each figure are given the same symbols, 3 is the exciting coil, 3a is the conductor winding frame, 3b
3c is the conductor winding start end, 3d is the conductor winding end end, 3e is the slit, 3f is the lead wire mounting frame, 3g is the lead wire, 3h, 3i are the connection parts, 3j
is an insulating wall, 3k is an insulating tape, 3l is a notch, 3
m and 3n are outer peripheral insulators.

Claims (1)

[Scope of utility model registration request] A conductor winding frame for winding a conductor in an annular shape, an annular lead wire mounting frame provided on a side surface of the conductor winding frame and housing a lead wire connected to a winding start end and a winding end of the conductor, and the lead wire. an insulating wall provided on the wire attachment frame to insulate the winding start end and the winding end; an insulating wall provided on the outer periphery of the lead wire attachment frame to connect the lead wire with the winding start end and the winding end; A coil winding frame including a peripheral insulator that holds a connecting portion within the lead wire mounting frame.