Lamp socket
The disclosure relates to a lamp socket, and more specifically to a lamp socket so configured as to restrict the insertion of bulbs other than the intended bulb, by arranging ribs on the socket housing corresponding to the shape of a key formed on the bulb. The lamp socket of the disclosure is configured so that when the base of a bulb is inserted into the receiving space of the socket housing, the key formed on the base is not interfered with by the ribs arranged in the receiving space, while if the shape of the key does not match the pattern in which the ribs are arranged, the key will be caught on the ribs, preventing the insertion of the base.
1. A lamp socket comprising:
a housing, the housing having a receiving space, the receiving space having an inner wall, a rib formed on the inner wall and arranged in a pattern on the inner wall of the receiving space,
a bulb, the bulb having a base, a key formed on the base;
the key formed on the base does not interfere with the rib arranged in the receiving space when the base of the bulb is inserted into the receiving space of the housing; and
wherein an elastic lamp holder is retained on a side wall of the receiving space and comprises: a housing fixing part, an elastic base holder part extending from the housing fixing part and an inner wall support part disposed adjacent to the base holder part and extending from the housing fixing part.
2. The lamp socket according to claim 1 , wherein key grooves are formed on the inner wall of the receiving space by the arrangement of the rib.
3. The lamp socket according to claim 2 , wherein the key grooves formed by the rib are arranged to match the key formed on a side of the base.
4. The lamp socket according claim 1 , wherein the pattern on the inner wall of the receiving space is formed by a plurality of ribs.
5. The lamp socket according to claim 1 , wherein the inner wall support part is inserted into fixing grooves formed on a side of the inner wall of the receiving space.
6. The lamp socket according to claim 1 , wherein a reinforcing bead is formed on a side of the inner wall support part.
7. The lamp socket according to claim 6 , wherein a bead insertion groove is formed in the housing communicating with the holder fixing groove and configured to receive the reinforcing bead formed on the inner wall support part.
8. The lamp socket according to claim 1 , wherein a contact terminal is disposed in the receiving space receiving space, the contact terminal includes a stop piece that engages a catch projection projecting from the inner wall of the receiving space.
9. The lamp socket according to claim 8 , wherein a wire seal is fixed on the contact terminal and includes a projection formed on the outer face of the wire seal that compressibly engages the socket housing.
10. The lamp socket according claim 1 , wherein a gasket is fastened to the socket housing and the gasket is covered by a lug with a mounting verification projection formed protruding from the lug.
11. A lamp socket comprising:
a housing, the housing having a receiving space, the receiving space having an inner wall, a rib formed on the inner wall and arranged in a pattern on the inner wall of the receiving space;
a contact terminal, the contact terminal is disposed in the receiving space;
an elastic lamp holder, the lamp holder is retained on a side wall of the receiving space and includes an elastic base holder, a housing fixing part, an elastic base holder part extending from the housing fixing part and an inner wall support part disposed adjacent to the base holder part extending from the housing; and
a bulb, the bulb having a base, a key formed on the base, the key formed on the base does not interfere with the rib arranged in the receiving space when the base of the bulb is inserted into the receiving space of the housing and the elastic base holder engages and retains the bulb in the socket.
12. The lamp socket according to claim 11 , wherein key grooves are formed on the inner wall of the receiving space by the arrangement of the rib.
13. The lamp socket according to claim 12 , wherein the key grooves formed by the rib are arranged to match the key formed on a side of the base.
14. The lamp socket according claim 11 , wherein the pattern on the inner wall of the receiving space is formed by a plurality of ribs.
15. The lamp socket according to claim 11 , wherein the inner wall support part is inserted into fixing grooves formed on a side of the inner wall of the receiving space.
16. The lamp socket according to claim 11 , wherein a reinforcing bead is formed on a side of the inner wall support part.
17. The lamp socket according to claim 16 , wherein a bead insertion groove is formed in the housing communicating with the holder fixing groove and configured to receive the reinforcing bead formed on the inner wall support part.
18. The lamp socket according to claim 11 , wherein a wire seal is fixed on the contact terminal and includes a projection formed on the outer face of the wire seal that compressibly engages the socket housing.
19. The lamp socket according claim 11 , wherein a gasket is fastened to the socket housing and the gasket is covered by a lug with a mounting verification projection formed protruding from the lug.
20. A lamp socket comprising:
a housing, the housing having a receiving space, the receiving space having an inner wall, a rib formed on the inner wall and arranged in a pattern on the inner wall of the receiving space;
a bulb, the bulb having a base, a key formed on the base;
the key formed on the base does not interfere with the rib arranged in the receiving space upon insertion of the base of the bulb into the receiving space of the housing; and
an elastic lamp holder, the lamp holder having a housing fixing part, an elastic base holder part extending from the housing fixing part, an inner wall support part disposed adjacent to the base holder part and extending from the housing fixing part and retained on a side wall of the receiving space.