Electronic component assembly structure and electrical junction box

1. An electronic component assembly structure comprising:

an electronic component configured to include a rectangular parallelepiped component main body and a plurality of lead terminals provided in the component main body;

a housing member configured to accommodate the electronic component inserted thereinto; and

a plurality of terminal fittings configured to be held by the housing member and cause the plurality of lead terminals to be fitted thereinto, wherein

the lead terminal includes a base end and a connection portion which is continuous to the base end and is suspended along a side surface of the component main body in the insertion direction of the electronic component, with a gap with respect to the side surface,

the housing member includes a first housing chamber which guides and accommodates the component main body and a second housing chamber which accommodates and holds the terminal fitting,

the first housing chamber is surrounded by a frame-shaped wall portion uprightly formed from a bottom wall on every side, and the second housing chamber is formed at the outside of the first housing chamber with the wall portion interposed therebetween,

the terminal fitting includes a spring portion which presses the connection portion connected to the terminal fitting, and the spring portion is disposed so as to face the side surface of the component main body accommodated in the first housing chamber with the wall portion interposed therebetween, and

the electronic component is inserted and accommodated in the housing member, and the plurality of lead terminals is respectively fitted to the plurality of terminal fittings, so that the electronic component is assembled to the housing member.

2. The electronic component assembly structure according to claim 1 , wherein

the electronic component includes a locking protrusion which is provided in a surface, facing the wall portion, of the component main body,

the housing member is formed of a resin material and includes a penetration groove which is formed in the wall portion of the first housing chamber and to which the locking protrusion is locked when the component main body is accommodated in the first housing chamber, and

the penetration groove is formed so that the component main body is exposed in a state where the locking protrusion is locked to the penetration groove.

3. The electronic component assembly structure according to claim 2 , wherein

a part or the entirety of the base end of the lead terminal in the electronic component is coated by an insulation member.

4. The electronic component assembly structure according to claim 2 , further comprising:

a cover member configured to cover an insertion opening of the first housing chamber into which the component main body is inserted, wherein

the cover member is formed so as to be attachable to and detachable from the housing member.

5. The electronic component assembly structure according to claim 2 , further comprising:

a box-shaped frame in which a frame-shaped side plate is uprightly formed from a side wall in the substantially horizontal direction and the housing member is accommodated and held along the side plate, wherein

the housing member is held by the frame while the insertion opening into which the electronic component is inserted faces the side wall.

6. An electrical junction box comprising:

the electronic component assembly structure according to claim 2 .

7. The electronic component assembly structure according to claim 1 , wherein

a part or the entirety of the base end of the lead terminal in the electronic component is coated by an insulation member.

8. The electronic component assembly structure according to claim 7 , further comprising:

a cover member configured to cover an insertion opening of the first housing chamber into which the component main body is inserted, wherein

the cover member is formed so as to be attachable to and detachable from the housing member.

9. The electronic component assembly structure according to claim 3 , further comprising:

a box-shaped frame in which a frame-shaped side plate is uprightly formed from a side wall in the substantially horizontal direction and the housing member is accommodated and held along the side plate, wherein

the housing member is held by the frame while the insertion opening into which the electronic component is inserted faces the side wall.

10. An electrical junction box comprising:

the electronic component assembly structure according to claim 7 .

11. The electronic component assembly structure according to claim 1 , further comprising:

a cover member configured to cover an insertion opening of the first housing chamber into which the component main body is inserted, wherein

the cover member is formed so as to be attachable to and detachable from the housing member.

12. The electronic component assembly structure according to claim 11 , wherein

the cover member is formed so as to press the component main body accommodated in the first housing chamber.

13. An electrical junction box comprising:

the electronic component assembly structure according to claim 12 .

14. An electrical junction box comprising:

the electronic component assembly structure according to claim 11 .

15. The electronic component assembly structure according to claim 1 , further comprising:

a box-shaped frame in which a frame-shaped side plate is uprightly formed from a side wall in the substantially horizontal direction and the housing member is accommodated and held along the side plate, wherein

the housing member is held by the frame while the insertion opening into which the electronic component is inserted faces the side wall.

16. An electrical junction box comprising:

the electronic component assembly structure according to claim 15 .

17. An electrical junction box comprising:

the electronic component assembly structure according to claim 1 .