KR100816542B1 - Bulb holder - Google Patents

Abstract

The present invention relates to a bulb holder. The present invention is a holder housing having a terminal installed inside the tubular body portion, and made of a metallic material and the outer surface is installed to be exposed to the outside from the body portion of the holder housing and the bulb is formed in the longitudinal direction on one side And a socket to be mounted. An end support rib for supporting the outer surface of the end of the socket is formed to protrude from the body, and has a hook end positioned on an imaginary circumference formed by the end support rib to hang the socket in the body of the holder housing. At least one pair of hook hooks are provided. The socket has a cylindrical shape in which the cutout is opened, and at least two hook slots for fixing the bulb are provided, and a hook piece hooked to the hook hook provided in the holder housing corresponds to the hook hook. Is formed. The present invention has the advantage that the heat generated in the bulb can be more smoothly discharged to the outside of the bulb holder, and because the socket for supporting the bulb in the bulb holder is a material resistant to heat.

Bulb Holder, Carbonized, Socket, Steel

Description

Bulb holder {Bulb holder}

1 is a perspective view showing a state in which the bulb is mounted on the bulb holder according to the prior art.

Figure 2 is an exploded perspective view showing the configuration of a preferred embodiment of the bulb holder according to the bulb with the bulb.

Figure 3 is a perspective view showing the configuration of the embodiment of the present invention with a bulb.

4 is a front view showing the configuration of an embodiment of the present invention.

5 is a perspective view showing the configuration of an embodiment of the present invention.

6 is a cross-sectional view showing the main portion of the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

20: holder housing 22: body

24: hanger 26: flange

28: handle 30: end support rib

32: reinforcement rib 34: position guide rib

36: Insertion Guide 38: Hook Hook

39: hanger 40: terminal column

41: terminal through 43: terminal through

45: guide end 47: support protrusion

50: socket 52: cutout

54: hanger slot 56: hanger

58: guide slot 60: bulb

62: body 63: hook projection

64: glass part

The present invention relates to a bulb holder, and more particularly to a bulb holder that is equipped with a bulb that generates light and supplies power to the bulb.

1 illustrates a state in which a bulb is mounted in a bulb holder according to the prior art. According to this, the bulb holder is configured by installing a terminal (not shown) inside the holder housing 1 made of a synthetic resin material. The holder housing 1 constitutes an appearance of the bulb holder and at the same time serves to support the bulb 13 to be described below.

The holder housing 1 is provided with a cylindrical portion 3. The inside of the cylindrical portion 3 is provided with a socket portion 4 having a predetermined gap with the inner surface of the cylindrical portion 3. The socket portion 4 is a portion in which the body portion 14 of the bulb 13 is inserted. An insertion space 5 is formed inside the socket portion 4. Terminals for electrical connection with the bulb 13 are installed to be exposed to the interior of the insertion space (5).

A plurality of hooking jaws 7 surrounding the outer surface of the cylindrical portion 3 is formed, and a flange 9 is formed at a predetermined distance from the hooking jaw 7. The flange 9 is formed to protrude by a predetermined width around the outer surface of one end of the cylindrical portion (3). By means of the flange 9 and the hanging jaw 7, the bulb holder is mounted on a fixed part, for example a lamp housing. A seal may be installed between the flange 9 and the lamp housing for waterproofing.

A handle 11 is formed at the rear end of the cylindrical portion 3. The handle 11 is a part to which the operator exerts a force when mounting or detaching the holder housing 1 while rotating the lamp housing 1.

The bulb 13 is a part that receives power and emits light. The bulb 13 is composed of a body portion 14 inserted into the socket portion 4 to receive power and a substantially spherical glass sphere 15 extending forward from the body portion 14. Inside the glass sphere 15 is provided with a filament (not shown) for light emission.

However, the bulb holder according to the prior art as described above has the following problems.

The bulb 13 used in an automobile or the like must maintain a light emitting state at all times while the vehicle is running. Therefore, heat is continuously generated in the body portion 14 of the bulb 13. The heat generated by the body portion 14 is discharged to the outside through the socket portion 4 because the body portion 14 is inserted into the socket portion 4.

However, since the socket portion 4 is located inside the cylindrical portion 3, the heat transferred to the socket portion 4 does not easily escape to the outside. Therefore, as the temperature of the socket portion 4 increases, the temperature of the terminal in contact with the bulb 13 also increases, thereby degrading the operation reliability of the bulb 13.

In addition, the socket part 4 may be carbonized in severe cases by being exposed to heat continuously and repeatedly. When the socket part 4 is carbonized, the shape thereof is broken and the shape of the socket part 4 may be broken, so that the bulb 13 may no longer be supported.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, to more smoothly discharge the heat generated in the bulb to the outside of the bulb holder.

Another object of the present invention is to prevent the bulb holder from being damaged by heat generated in the bulb.

According to a feature of the present invention for achieving the object as described above, the present invention is a holder housing having a terminal installed inside the cylindrical body portion, and made of a metallic material and the outer surface from the body portion of the holder housing to the outside It is installed to be exposed and has a cutout formed in the longitudinal direction on one side, and comprises a socket to which the bulb is mounted.

An end support rib supporting the outer surface of the end portion of the socket is formed to protrude from the body portion, and is provided on the imaginary circumference formed by the end support rib, and has a hook end to hang the socket. At least one pair of hook hooks are provided.

A terminal column is formed to protrude from a position corresponding to the cutout portion between the end support rib and the body portion.

Position guide ribs are formed on both sides of the inner surface of the end support rib adjacent to the terminal column to extend in the insertion direction of the socket.

An insertion guide rib is formed long in the insertion direction of the socket at a position of the inner surface of the end support rib facing the guide rib.

The socket has a cylindrical shape in which the cutout is opened, and at least two hook slots for fixing the bulb are provided, and a hook piece hooked to the hook hook provided in the holder housing corresponds to the hook hook. Is formed.

Both ends of the cutout portion of the socket are seated in a position guide rib formed inside the end support rib of the holder housing.

An insertion guide rib is formed at a position facing the position guide rib in the inner side of the end support rib, and a guide slot into which the insertion guide rib is inserted is formed in the socket to guide the socket mounting position in the holder housing.

According to the bulb holder according to the present invention having the configuration as described above, heat generated in the bulb can be more smoothly discharged to the outside of the bulb holder, and the socket for supporting the bulb in the bulb holder is heat-resistant and thus is damaged by heat. There is an advantage to be avoided.

Hereinafter, a preferred embodiment of a bulb holder according to the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing the configuration of a preferred embodiment of the bulb holder according to the present invention, FIG. 3 is a perspective view of the configuration of the present invention with a bulb, and FIG. The configuration is shown in front view, in FIG. 5 the configuration of the present invention embodiment is shown in perspective view, and in FIG.

As shown in these figures, the holder housing 20 forms the skeleton and the appearance of the bulb holder. The holder housing 20 is made by injection molding of a synthetic resin material. The body portion 22 of the holder housing 20 is substantially cylindrical in shape. This is to be fixed by the rotation when the bulb holder is mounted on the fixing portion. However, the body portion 22 does not necessarily have to be cylindrical as long as it can be mounted by rotation on the fixed portion. The body portion 22 has only one end open and the other end is blocked. However, the blocked portion also has a through hole for the passage of the terminal or wire.

A plurality of hooking jaws 24 are formed to surround the outer surface of the body portion 22, and the flanges 26 protrude at a predetermined width around the outer surface of the body portion 22 at a predetermined distance from the hooking jaw 24. ) Is formed. The flange 26 is supported, for example, on the opposite side of the lamp housing (not shown) to which the bulb 60 to be described below is exposed. A seal may be positioned between the lamp housing and the flange 26 for waterproofing. Reference numeral 28 denotes a handle to which a worker applies a rotational force for attaching and detaching the bulb holder to the lamp housing.

An end support rib 30 is formed in the body portion 22. The end support ribs 30 are formed in a substantially ring shape and protrude further from the inside of the body portion 22 by a predetermined length. The end support ribs 30 do not have a perfect ring shape, and the intermediate middle is incised. The end support rib 30 serves to support the end of the socket 50 to be described below.

A plurality of reinforcing ribs 32 are formed to connect between the end support ribs 30 and the inner surface of the body portion 22. The reinforcing rib 32 serves to reinforce the end support rib 30 and the body portion 22.

Position guide ribs 34 are formed along the inner surface of the end support ribs 30 in the insertion direction of the socket 50 to be described below. The position guide rib 34 is a portion where the cutout 52 of the socket 50 to be described below is seated. Two position guide ribs 34 are formed in parallel with each other.

Insertion guide ribs 36 are formed on the inner surface of the end support ribs 30 in the insertion direction of the socket 50. The insertion guide 36 also cooperates with the position guide rib 34 to prevent insertion of the socket 50.

A hook hook 38 is provided on a virtual circumference formed by the end support rib 30. As shown in FIG. 4, the hook hook 38 is formed to face each other at a portion where the end support ribs 30 are cut out. The hook hook 38 is formed to protrude long in the insertion direction of the socket 50, the hook end 39 is formed to protrude in the direction facing each other on the front end. The hook end 39 is a portion on which the hook piece 56 of the socket 50 to be described below is hooked.

On one side between the body portion 22 and the end support rib 30 is formed a terminal column 40 protrudes. The terminal column 40 extends in the insertion direction of the socket 50 between the body portion 22 and the end support ribs 30. The terminal column 40 protrudes more than the body portion 22. The terminal column 40 is formed between the body portion 22 and the end support ribs 30 corresponding to the two positions of the guide ribs 34. A terminal is installed in the terminal column 40, and the terminal extends with the terminal seated along an inner surface of the terminal column 40, that is, a surface corresponding to the inside of the end support rib 32.

A terminal through-hole 41 is formed inside the body 22 corresponding to the base of the terminal column 40. In the terminal through-hole 41, a terminal installed inside the holder housing 20 is fixed through. Passing through the body portion 22 adjacent to the center of the body portion 22, a terminal through-hole 43 is also formed as shown in FIG. The terminal is also fixed to the through-hole 43.

A pair of guide ribs 45 are formed on an inner surface of the body portion 22. The guide rib 45 serves to guide the installation position of one end of the terminal to be installed in the terminal through 43. Support protrusions 47 are formed on the inner surface of the body portion 22 between the guide ribs 45. The support protrusion 47 serves to support one end of the terminal.

The socket 50 is installed with one end supported on the inner surface of the support rib 30. The socket 50 has a cylindrical shape in which one side is cut in the longitudinal direction. The cut portion is a cutout 52. Both ends of the cutout 52 are seated in the position guide ribs 34, respectively. The cutout 52 is a portion corresponding to the terminal column 40. The body part 62 of the bulb 60 seated in the socket 50 may be electrically connected to the terminal through the cutout 52.

At least one hook slot 54 is formed in the socket 50. The hanger slot 54 is formed in a substantially 'J' shape through the socket 50. The hanger 63 of the bulb 60 is inserted into the hanger slot 54 to be hooked. The hanger slot 54 is open toward the end of the socket 50 on the side where the bulb 60 is inserted.

The socket 50 is provided with at least two hook pieces 56. The hook piece 56 is bent to be inclined so as to cut a part of the socket 50 to protrude outward. The hook piece 56 is hooked to the hook end 39 of the hook hook 38.

The socket 50 is also formed with at least one guide slot 58. The guide slot 58 is opened to the opposite end where the hanger slot 54 is opened. The insertion guide rib 36 is positioned in the hanger slot 54.

The socket 50 having such a configuration is formed of a metal material. In particular, it is preferable to be made of a metal material with good heat transfer efficiency. An example of a material for forming the socket 50 is steel.

Bulb 60 is a portion for generating light, and has a body portion 62 is inserted into the socket 50 is fixed. The body portion 62 has a cylindrical shape and a plurality of hook protrusions 63 are formed on the outer surface thereof. The number and location of the hook protrusions 63 depend on design conditions such as the capacity of the bulb 60.

The front end of the body portion 62 is provided with a spherical glass portion (64). The glass unit 64 is provided with a configuration for emitting light.

Hereinafter, the operation of the bulb holder according to the present invention having the configuration as described above in detail.

First, it will be described that the socket 50 is inserted into the body portion 22 of the holder housing 20. The socket 50 is cylindrical having a cutout 52, and the cutout 52 is inserted into the end support rib 30 so that the cutout 52 is supported by the guide rib 34.

In other words, both ends of the cutout 52 are positioned at positions corresponding to the guide ribs 34 and the guide slots 58 are positioned at positions corresponding to the insertion guide ribs 36, respectively. Inserted so that the end outer surface of the socket 50 is located inside the end support rib (30). At this time, the socket 50 has both ends of the cutout 52 supported by the position guide rib 34, and is slightly elastically deformed, and its outer surface is in close contact with the inner surface of the end support rib 30.

The hook piece 56 is moved along the hook hook 38 in the process of inserting the socket 50 into the end support rib 30, and the hook end 39 of the hook hook 38 is attached to the hook hook 38. By pressing, and passing through the hook end 39 is restored and the tip is hooked on the hook end 39. Therefore, the socket 50 does not come out arbitrarily from the holder housing 20. This state is well illustrated in FIG.

Next, it will be described that the bulb 60 is inserted into the socket 50 installed in the holder housing 20. In order to insert the body portion 62 of the bulb 60 into the socket 50, the hook protrusion 63 is positioned at the inlet of each hook slot 54. The body portion 62 of the bulb 60 is inserted into the socket 50 while allowing the hook protrusion 63 to move along the hook slot 54.

When the hook protrusion 63 is inserted into the hook slot 54 in a straight line and is caught at the end, the hook protrusion 63 is rotated along the bent portion of the hook slot 54 by rotating the bulb 60. When the bulb 60 is rotated and the end portion is caught again, the bulb 60 may be pulled slightly in the direction from the socket 50. In this case, the hook protrusion 63 of the bulb 60 is hooked to the extreme end of the hook slot 54 so as not to fall out arbitrarily.

On the other hand, when the bulb 60 is inserted into the socket 50 in this way, the body portion 62 is in contact with the respective terminals. Of course, the body portion 62 is formed with a contact portion (not shown) to be in contact with each terminal separately.

As such, when the bulb 60 is inserted into the socket 50 and used, heat generated in the bulb 60 is discharged to the outside through the socket 50. In particular, the socket 50 protrudes out of the body portion 22 so that the socket 50 can be easily contacted with the air around the holder housing 20. Therefore, heat release to the outside can be made more smoothly. In particular, the socket 50 is a metal material having a good heat transfer rate, so that the heat transfer is good to the outside, and its strength is also relatively good so that damage due to heat does not occur.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and various changes and modifications can be made by those skilled in the art within the scope of the claims. It is self-evident.

In the bulb holder according to the present invention as described in detail above, the following effects can be obtained.

First, in the present invention, while the holder housing of the bulb holder is formed of a synthetic resin material, the socket on which the bulb is actually mounted is made of a good heat transfer metal material installed to be exposed to the outside of the holder housing. Therefore, the heat generated in the bulb is more smoothly discharged to the outside of the bulb holder, thereby preventing the deterioration of the operation characteristics of the bulb by the heat.

In addition, in the present invention, since the socket, which is a portion in which the bulb is actually mounted, is made of metal and is not deteriorated by heat, the socket holder has a relatively strong strength, thereby increasing the durability of the bulb holder.

Claims (8)

A holder housing having a terminal installed inside the tubular body, The bulb holder is made of a metal material and the outer surface is installed so as to be exposed to the outside from the body portion of the holder housing and formed with a cutout in the longitudinal direction on one side comprising a socket to which the bulb is mounted. According to claim 1, wherein the inner end of the body of the holder housing end support ribs for supporting the outer surface of the end of the socket is formed protruding than the body portion, is located on the imaginary circumference formed by the end support ribs to hang the socket A bulb holder, characterized in that at least one pair of hook hook having a hook end for fixing. The bulb holder according to claim 2, wherein a terminal column protrudes at a position corresponding to the cutout portion between the end support rib and the body portion. 4. The bulb holder according to claim 3, wherein position guide ribs are formed on both sides of the inner surface of the end support rib adjacent to the terminal column to extend in the insertion direction of the socket. 5. The bulb holder according to claim 4, wherein an insertion guide rib is formed long in the insertion direction of the socket at a position facing the guide rib in the inner surface of the end support rib. The hook according to any one of claims 1 to 5, wherein the socket has a cylindrical shape in which the cutout portion is opened, and at least two hook slots for fixing the bulb are provided, and the hook is provided in the holder housing. A bulb holder, characterized in that the hook piece to be hooked to the hook is formed in a position corresponding to the hook hook. 7. The bulb holder according to claim 6, wherein both ends of the cutout portion of the socket are seated on the guide rib formed inside the end support rib of the holder housing. [8] The position of claim 7, wherein an insertion guide rib is formed at a position of the inner side of the end support rib facing the guide rib, and the socket is formed with a guide slot into which the insertion guide rib is inserted, thereby mounting the socket on the holder housing. Bulb holder characterized in that the guide.

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