Stator and resolver

1. A stator, comprising:

a stator core that includes a plurality of teeth that extend from a ring-shaped body part in one radial direction thereof;

an insulator that covers the plurality of teeth from both sides in an axial direction of the stator core;

a coil that is wound around each of the plurality of teeth via the insulator;

a terminal block part that extends from the insulator in a radial direction opposite to the one radial direction, includes a plurality of terminals with a terminal end of a winding wire that composes the coil being bound to one end thereof, and is formed integrally with the insulator;

a connector housing that includes a connection part for the terminal block part, stores another end of each of the plurality of terminals, and is connected to an external connector; and

a terminal cover that covers the plurality of terminals from a side of the one end of the plurality of terminals, wherein

a first through-hole that overlaps with a through-hole of the stator core is formed in the terminal block part;

a third through-hole that overlaps with the first through-hole is formed in the terminal cover;

the connector housing includes, as the connection part, a first protrusion part that is formed to penetrate through the through-hole of the stator core, the first through-hole, and the third through-hole; and

a tip of the first protrusion part that penetrates through the through-hole of the stator core, the first through-hole, and the third through-hole is fixed on the terminal cover and thereby connected to the terminal block part.

2. The stator according to claim 1 , wherein:

a fourth through-hole is formed in the terminal cover to be positioned outside the stator core in the opposite radial direction;

the connector housing includes, as another connection part, a second protrusion part that is formed to penetrate through the fourth through-hole; and

a tip of the second protrusion part that penetrates through the fourth through-hole is fixed on the terminal cover and thereby connected to the terminal block part.

3. The stator according to claim 2 , wherein the terminal block part includes a guide part that guides the second protrusion part in such a manner that the second protrusion part penetrates through the fourth through-hole.

4. The stator according to claim 1 , wherein the terminal cover is formed integrally with a coil cover that covers the coil.

5. A resolver, comprising:

a rotor; and

a stator,

wherein the stator includes:

a stator core that includes a plurality of teeth that extend from a ring-shaped body part in one radial direction thereof;

an insulator that covers the plurality of teeth from both sides in an axial direction of the stator core;

a coil that is wound around each of the plurality of teeth via the insulator;

a terminal block part that extends from the insulator in a radial direction opposite to the one radial direction, includes a plurality of terminals with a terminal end of a winding wire that composes the coil being bound to one end thereof, and is formed integrally with the insulator;

a connector housing that includes a connection part for the terminal block part, stores another end of each of the plurality of terminals, and is connected to an external connector, and

a terminal cover that covers the plurality of terminals from a side of the one end of the plurality of terminals, wherein

a first through-hole that overlaps with a through-hole of the stator core is formed in the terminal block part;

a third through-hole that overlaps with the first through-hole is formed in the terminal cover;

the connector housing includes, as the connection part, a first protrusion part that is formed to penetrate through the through-hole of the stator core, the first through-hole, and the third through-hole; and

a tip of the first protrusion part that penetrates through the through-hole of the stator core, the first through-hole, and the third through-hole is fixed on the terminal cover and thereby connected to the terminal block part.

6. The resolver according to claim 5 , wherein the terminal cover is formed integrally with a coil cover that covers the coil.

7. A stator, comprising:

a stator core that includes a plurality of teeth that extend from a ring-shaped body part in one radial direction thereof;

an insulator that covers the plurality of teeth from both sides in an axial direction of the stator core;

a coil that is wound around each of the plurality of teeth via the insulator;

a terminal block part that extends from the insulator in a radial direction opposite to the one radial direction, includes a plurality of terminals with a terminal end of a winding wire that composes the coil being bound to one end thereof, and is formed integrally with the insulator;

a connector housing that includes a connection part for the terminal block part, stores another end of each of the plurality of terminals, and is connected to an external connector; and

a terminal cover that covers the plurality of terminals from a side of the one end of the plurality of terminals, wherein

a fourth through-hole is formed in the terminal cover to be positioned outside the stator core in the opposite radial direction;

the connector housing includes, as the connection part, a second protrusion part that is formed to penetrate through the fourth through-hole; and

a tip of the second protrusion part that penetrates through the fourth through-hole is fixed on the terminal cover and thereby connected to the terminal block part.

8. The stator according to claim 7 , wherein the terminal block part includes a guide part that guides the second protrusion part in such a manner that the second protrusion part penetrates through the fourth through-hole.

9. The stator according to claim 7 , wherein the terminal cover is formed integrally with a coil cover that covers the coil.