TWM515205U - Bulb cap structure of bulb - Google Patents

Description

Lamp head construction

This creation is about the construction of a light bulb, in particular a light bulb construction of a light bulb that simplifies the assembly process.

The known bulb construction basically comprises an illuminant, a lamp cap and a spherical lamp cover; the illuminant generally comprises a light-emitting diode and a conventional filament such as a tungsten wire, the illuminant is electrically connected to the lamp cap, and the bulb is a hollow And having a light-transmissive spherical shell-like component, the spherical lampshade has an opening fixed to the lamp cap for containing and protecting the illuminant.

The lamp cap is connected to the bulb holder connected to the power source. According to the electrical specifications of different countries or regions, the lamp cap comprises a plurality of different types for connection with the corresponding type of bulb holder. The known lamp head type includes a screw cap and a connector cap. Different types of lamp caps are available with different types of lamp heads. For example, the type of the screw cap is indicated by the English letter E and the numbers after it. Common spiral caps such as E22, E26 and E27.

Since the conventional bulb holder is mainly electrically connected to the AC power source, the conventional lamp cap of any type includes electrode contacts for electrically connecting the live and ground wires of the AC power source, and for isolating the above two electrodes. The insulator of the joint. Taking a common spiral lamp head as an example, a metal casing, an insulator and an end electrode are usually included; the insulator is interposed between the metal casing and the terminal electrode to isolate the metal casing and the terminal electrode, and the metal casing has a thread and a spiral bulb. The screw is screwed together, and the screw cap is screwed to the bulb seat Afterwards, the metal casing and the terminal electrode are respectively electrically connected to the live wire and the ground wire of the AC power source; in the assembly and production process of the bulb, the illuminant is usually transmitted through two different wires, and the two electrode contacts of the lamp cap are welded by means of welding. Electrical connection. For the construction of the screw cap, reference may be made to, for example, the Taiwanese new patent M455988 which has been approved for publication.

It can be understood from the above description that the conventional lamp cap structure is complicated, requires complicated assembly processes for component combination and wire welding work, and affects the bulb production capacity and production speed.

The other functions and embodiments of the present invention are described below in conjunction with the drawings.

The purpose of this creation is to propose a lamp cap structure for solving the problems of many lamp cap parts, complicated assembly steps and time consuming problems of the conventional bulb, and can be applied to a lamp holder having a dot type or a line type electric contact.

In order to achieve the above object, an embodiment of the lamp cap structure of the present invention comprises: an electrical connector, an electrode insert and a conductive sleeve, the electrical connector has an electrode socket; the electrode insert has an electrode contact, and the electrode is connected The conductive sleeve can be sleeved on the outside of the electrical connector and electrically connected to the electrode contact, and the conductive sleeve can be mounted on the electrical connector. The bulb holder is directly electrically connected to the power source, and the power provided by the power source can be transmitted to the illuminator of the bulb through the conductive sleeve and the electrode insert.

In one embodiment of the present invention, the electrical connector is an integrally formed electrical insulation component.

In one embodiment of the present invention, the electrical connector includes a two-electrode jack, and the electrode contact package A first electrode contact and a second electrode contact corresponding to the two electrode insertion holes are included.

In an embodiment of the present invention, the electrode insert includes a substrate, and a first circuit and a second circuit disposed on the substrate, and the illuminant is electrically connected to the first electrode contact through the first circuit and the second circuit, respectively. Second electrode contact.

In one embodiment of the present invention, the conductive sleeve is threaded onto the outer surface of the electrical connector.

In one embodiment of the present invention, the conductive sleeve is sleeved on the outer side surface of the electrical connector in a tight fit relationship.

In one embodiment of the present invention, the conductive sleeve can be coupled to the spiral bulb holder.

In one embodiment of the present invention, the bottom end opening of the conductive sleeve has a flange protruding toward the center of the circle, and the conductive sleeve can be fitted into a recess of the electrical connector by the flange to prevent the conductive sleeve from being loose or sliding.

The specific implementation manners and other advantages and effects of the present creation will be described below in conjunction with the drawings.

10‧‧‧Electrical connector

11‧‧‧First electrode jack

12‧‧‧Second electrode jack

13‧‧‧First thread

14‧‧‧ Groove

20‧‧‧electrode insert

21‧‧‧Substrate

22a‧‧‧First electrode contact

22b‧‧‧second electrode contact

23a‧‧‧First circuit

23b‧‧‧second circuit

30‧‧‧Spherical lampshade

31‧‧‧Light shell

32‧‧‧Drive circuit

33‧‧‧Lights

40‧‧‧conductive sleeve

41‧‧‧second thread

42‧‧‧Flange

Fig. 1 is an exploded perspective view showing an embodiment of a base structure of a creation bulb.

Fig. 2 is a combination diagram of the embodiment of Fig. 1.

Figure 3 is a cross-sectional view of the structure of Figure 2 at the position III-III.

Fig. 4 is an exploded perspective view showing another embodiment of the base structure of the creation bulb.

Fig. 5 is an exploded perspective view showing another embodiment of the base structure of the creation bulb.

Figure 6 is a cross-sectional view showing the structure of the embodiment of Figure 5.

Fig. 7 is an exploded perspective view showing another embodiment of the base structure of the creation bulb.

Figure 8 is a cross-sectional view showing the structure of the embodiment of Figure 7.

First, referring to FIG. 1, FIG. 2 and FIG. 3, it is an exploded structural view, a combined view and a structural sectional view of an embodiment of the base structure of the creative light bulb. An embodiment of the lamp holder structure of the present invention includes an electrical connector 10, an electrode insert 20 and a conductive sleeve 40. In general, the bulb also has a spherical lamp cover 30. The spherical lamp cover 30 is a hollow and light transmissive spherical shell member for containing and protecting an illuminant (not shown). The globe 30 has an opening therein. In one embodiment, the opening of the globe 30 can be directly fixed to the electrical connector 10. In other embodiments, the opening of the globe 30 can also be fixed to one end of the hollow tubular lamp housing 31, and the other end of the lamp housing 31. The electrical connector 10 connected to the lamp cap, the globe lamp cover 30 and the lamp housing 31 can be used to contain and protect the illuminant. The illuminant generally comprises a light-emitting diode and a conventional filament such as a tungsten wire, and the illuminant can be electrically connected to the electrode insert 20. The power required to illuminate the illuminator is obtained, wherein the globe 30, the lamp housing 31 and the illuminator are not the technical focus of the present invention, so only a brief description is given, so the globe 30 and the lamp housing 31 are indicated by broken lines in the figure. The illuminant can also be electrically connected to the electrode insert 20 by using an LED module. Although it is not shown in the figure, those who have common knowledge in the technical field should be able to use the aforementioned characters. Or fully understand the drawings and can be implemented accordingly.

The electrical connector 10 has at least one electrode socket, the electrode insert 20 has an electrode contact, the electrode contact can be inserted into the corresponding electrode socket of the electrical connector 10 for electrical connection with the power source to obtain power; the conductive sleeve 40 is electrically conductive The outer side of the electrical connector 10 is disposed in contact with the electrode contact to form an electrical connection. In an embodiment, the conductive sleeve 40 is a hollow tubular member, which can be fabricated by using a metal tube or using a plastic tube and plating a metal layer on the outer surface. The conductive sleeve 40 can be directly electrically connected to the power source of the bulb seat when the electrical connector 10 is mounted on the bulb base, and the power provided by the power source can be electrically conductive. The sleeve 40 and the electrode insert 20 are transferred to the illuminator of the bulb.

In an embodiment of the lamp cap construction of the present bulb, the electrical connector 10 is an integrally formed electrically insulating component, and the electrical connector 10 is for connection with a corresponding bulb holder. For example, the electrical connector 10 can be inserted into a corresponding bulb holder. In the embodiment shown in Fig. 1, the base structure of the present light bulb is a spiral base that can be screwed into a conventional spiral light bulb holder. The specific embodiment of the lamp cap construction of the present light bulb will be further described below in conjunction with the drawings, but the configuration shown in the drawings is not intended to limit the technical features of the present invention.

FIG. 1 illustrates an embodiment of the present invention, in which the electrical connector 10 has a first electrode insertion hole 11 and a second electrode insertion hole 12, and an embodiment of the first electrode insertion hole 11 and the second electrode insertion hole 12 A perforation or a notch that penetrates the electrical connector 10; a preferred embodiment of the electrical connector 10 is an integrally formed electrically insulating component that can be fabricated from an electrical plastic material such as polycarbonate (PC), which is fabricated from a PC material. The electrical connector 10 can be manufactured by injection molding technology. The electrical connector 10 shown in FIG. 1 is an electrical connector 10 made of PC material. The first electrode can be formed only after the electrical connector 10 is injection molded and then simply processed. The hole 11 and the second electrode insertion hole 12, such that the electrical connector 10 made of PC material is a single component, does not need to be assembled by a plurality of parts, and can simplify the parts and the production assembly step has the advantage of increasing the assembly speed.

An embodiment of the electrode insert 20 includes a substrate 21, a first electrode contact 22a and a second electrode contact 22b. One embodiment of the substrate 21 is a circuit board, which can be manufactured by using a printed circuit board. An electrode contact 22a and a second electrode contact 22b are respectively disposed on the edge of the substrate 21. In an embodiment of the present invention, at least one side surface of the substrate 21 has a first circuit 23a and a second circuit 23b, first The circuit 23a and a second circuit 23b may be a printed circuit, a copper foil, and other equivalent configurations, the first circuit 23a being electrically connected to the first electrode contact 22a and the illuminant The second circuit 23b is electrically connected to the second electrode contact 22b and the other electrode pin of the illuminant (for example, a ground wire or a negative electrode). One embodiment uses tin plating. Or a technique of immersing tin to form a first electrode contact 22a and a second electrode contact 22b having conductivity at the edge of the substrate 21, and the substrate 21 may be correspondingly inserted into the first electrode insertion hole 11 and the second electrode of the electrical connector 10. The hole 12 is such that the first electrode contact 22a and the second electrode contact 22b expose the outer side of the electrical connector 10 at the positions of the first electrode insertion hole 11 and the second electrode insertion hole 12, respectively, the first electrode contact 22a and the The two-electrode contact 22b is used to electrically connect different power contacts of the bulb holder (for example, the live contact and the ground contact of the AC power source, or the positive and negative poles of the DC power supply).

In one embodiment, the conductive sleeve 40 is electrically conductively sleeved on the outer side of the electrical connector 10 and electrically connected to one of the first electrode contact 22a and the second electrode contact 22b, as shown in FIG. In one embodiment, the conductive sleeve 40 is in electrical contact with the second electrode contact 22b; thus, when the electrical connector 10 is inserted into the corresponding bulb holder, such as a spiral bulb holder, even if the bulb holder is used to electrically connect the power source. When the contact is in a point or line design, the tubular electrode sleeve 40 can ensure that the second electrode contact 22b can be properly electrically connected with the point type or the line type power contact; the power supply of the power source can be transmitted through the electrode. The first circuit 23a and the second circuit 23b of the card 20 are transmitted to the illuminant of the bulb, or the illuminant and the first circuit 23a and the second circuit 23b are electrically connected by other electrical connection elements.

Another embodiment of the electrode insert 20 is as shown in FIG. 5 and FIG. 6 , wherein the illuminant 33 (such as the LED) and its driving circuit 32 can be directly mounted on the substrate 21 , and the power of the power source can be The first electrode contact 22a and the second electrode contact 22b of the electrode insert 20 are respectively transmitted to the drive circuit 32 via the first circuit 23a and the second circuit 23b, and finally the illuminant 33 of the bulb (such as the light-emitting diode) is driven. LED) lights up.

In an embodiment, the outer surface of the electrical connector 10 of the embodiment shown in FIG. 1 to FIG. 3 has a first thread 13 having an inner diameter surface having a second thread 41 matching the thread 13 . In a preferred embodiment, the second thread 41 of the conductive sleeve 40 is matched with the thread of the spiral bulb holder. Therefore, the conductive sleeve 40 can be screwed to the first thread 13 of the outer surface of the electrical connector 10 by the second thread 41. At the same time, it can be matched with the spiral bulb holder; in a preferred embodiment, the bottom end opening of the conductive sleeve 40 has a flange 42 protruding toward the center of the circle, and a recess corresponding to the flange 42 on the outer side of the electrical joint 10. The conductive sleeve 40 can be fitted to the recess 14 of the electrical connector 10 by the flange 42. Preferably, the conductive sleeve 40 is fixed to the electrical connector by means of welding or adhesive bonding. 10, to prevent the conductive sleeve 40 from loosening or sliding.

FIG. 4 is another embodiment of the base structure of the present light bulb. The difference from the embodiment shown in FIG. 1 to FIG. 3 is that the electrical connector 10 of the embodiment shown in FIG. 4 is a columnar body. The conductive sleeve 40 is sleeved on the outer surface of the electrical connector 10 in a tightly fitting relationship. In a preferred manner, the conductive sleeve 40 can be fixed to the electrical connector 10 by welding or adhesively, so as to prevent the conductive sleeve 40 from coming loose. Or slide. In an embodiment, the second electrode contact 22b at the edge of the substrate 21 may be wavy and conform to the second thread 41 of the conductive sleeve 40; in another embodiment of the present creation, as shown in FIGS. 7 and 8. It can be noted that the surface shape of the second electrode contact 22b at the edge of the substrate 21 can also be flat, even if the outer surface is straight and the columnar body of the electrical connector 10, the flat second electrode Contact 22b can also be in electrical contact with conductive sleeve 40.

Although the present invention has been disclosed above through the above embodiments, it is not intended to limit the creation of the present invention. Anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present creation. The scope of patent protection is subject to the terms of the claims attached to this specification.

10‧‧‧Electrical connector

11‧‧‧First electrode jack

12‧‧‧Second electrode jack

13‧‧‧First thread

14‧‧‧ Groove

20‧‧‧electrode insert

21‧‧‧Substrate

22a‧‧‧First electrode contact

22b‧‧‧second electrode contact

23a‧‧‧First circuit

23b‧‧‧second circuit

30‧‧‧Spherical lampshade

31‧‧‧Light shell

40‧‧‧conductive sleeve

41‧‧‧second thread

Claims (9)

A lamp cap construction for electrically connecting a power source and an illuminator of a lamp holder, comprising: an electrical connector, an electrode insert and a conductive sleeve, the electrical connector being connectable to the bulb holder connected to the power source, the electrical connector having at least An electrode socket; the electrode insert has an electrode contact, the electrode contact can be inserted into the electrode socket corresponding to the electrical connector; the conductive sleeve can be electrically disposed outside the electrical connector and connected to the electrode The contact forms an electrical connection, and the conductive sleeve can be directly electrically connected to the power source when the electrical connector is mounted on the bulb holder, and the power provided by the power source can be transmitted to the illuminator of the bulb through the conductive sleeve and the electrode insert. The cap construction of the bulb of claim 1 wherein the electrical connector is an integrally formed electrically insulating component. The lamp cap structure of the light bulb of claim 1, wherein the electrical connector comprises a two-electrode socket, the electrode contact includes a first electrode contact and a second electrode contact corresponding to the two electrode jack, The conductive sleeve is in electrical contact with the one of the first electrode contact and the second electrode contact. The lamp cap structure of the light bulb of claim 3, the electrode insert comprises a substrate, the first electrode contact and the second electrode contact are respectively disposed at edges of the substrate, and the substrate can be correspondingly inserted into the electrical connector, and The first electrode contact and the second electrode contact are exposed outside the electrical connector at positions of the first electrode insertion hole and the second electrode insertion hole, respectively. The lamp cap structure of the light bulb of claim 4, wherein at least one side surface of the substrate has a first circuit and a second circuit electrically connected to the illuminant, the first electrode contact and the first circuit electrical property Connected, the second electrode contact is electrically connected to the second circuit. The lamp cap construction of the light bulb of claim 1, wherein the outer surface of the electrical connector has a screw The conductive sleeve has a thread that matches the thread. The lamp cap construction of the light bulb of claim 1, wherein the electrical connector is a columnar body, and the conductive sleeve is sleeved on an outer surface of the electrical connector in a tight fit relationship. The base structure of the light bulb of claim 1, wherein the conductive sleeve has an external thread that is connectable to the spiral light bulb holder. The base structure of the light bulb of claim 1, wherein the bottom end opening of the conductive sleeve has a flange protruding toward a center of the circle, and a groove corresponding to the flange is provided on an outer side of the electrical joint, the conductive sleeve The groove can be fitted to the electrical joint by the flange.