TWI409409B - Fluorescent tube - Google Patents

Abstract

A fluorescent tube includes an orientating element, a first lampshade and a second lampshade, wherein both the first lampshade and the second lampshade are hollow and each forms a first opening and a second opening sleeving the orientating element. The second lampshade and the first lampshade are disposed opposite to one another and slide back and forth with respect to the orientating element, so as to change the length of the fluorescent tube. By employing the fluorescent tube with flexibility of changeable tube length, it is advantage of reducing users' cost on repeatedly purchasing tubes and accomplishing concepts of energy saving.

Description

Lamp

The invention relates to a lamp tube, in particular to a telescopic lamp tube which can be reciprocally slid to change the length of the lamp tube.

In general, the basic components of fluorescent lighting equipment include fluorescent tubes and their corresponding sockets. The fluorescent tube has a tube body and end caps at both ends of the body. Each of the end caps is provided with an electrode joint. In actual use, the fluorescent tube is inserted into the socket on the socket by the electrode connector on the end cap to achieve the purpose of electrically connecting the fluorescent tube to the socket.

With the rapid development of technology, light-emitting diode lamps have gradually replaced traditional light bulbs or fluorescent tubes, and have become the mainstream of lighting equipment in recent years. In order to be used in existing lighting equipment, and in response to the current transition period between new and old products, in recent years, the design of fluorescent lighting is mostly to design the lighting products of the LEDs to conform to the structure of the existing lamps. For example, the outer shape of the light-emitting diode lamp is similar to a conventional fluorescent tube, and has a light-transmissive tube body, and end caps and electrode joints disposed at two ends of the light-transmitting tube body, thereby being commonly used in a conventional fluorescent tube tube. Used on the lamp holder.

However, it is worth noting that the traditional fluorescent tubes have different lamp lengths depending on the output power of 10 watts (W), 20 watts, and 40 watts. Therefore, the conventional lamp holder can only be used for the installation of a specific length of fluorescent tube. In addition, the overall applicability is poor, and the lamps of different lengths cannot be used interchangeably. In the invisible, the user must repeatedly purchase the lamp. The cost of the tube.

In view of the above need to provide a lamp holder that can be used in various sizes without the need to repeatedly purchase a lamp, the present invention provides a retractable lamp that changes the overall length of the lamp by reciprocating sliding of the lamp cover. Solve the problem that only a single application can be used between the conventional lamp and the lamp holder.

The invention discloses a lamp tube, comprising a positioning member and a first lamp cover. The first lamp cover has a hollow tubular shape, and one end of the first lamp cover has a first opening and is sleeved outside the positioning member. The first lampshade is reciprocally slid relative to the positioning member to change the length of the lamp.

Another lamp tube is disclosed in the present invention, including a positioning member, a first lamp cover and a second lamp cover. The first lampshade is a hollow tubular shape, and the first lampshade has a first opening at one end thereof and is sleeved outside the positioning component. The second lamp cover is a hollow tubular shape, and the second lamp cover has a second opening at one end thereof and is sleeved outside the positioning member. The second lamp cover is disposed opposite to the first lamp cover, and the first lamp cover and the second lamp cover are reciprocally slid relative to the positioning member to change the length of the lamp tube.

Therefore, the lamp tube proposed by the present invention is reciprocally slid with respect to the positioning member by at least one lamp cover, thereby changing the length of the lamp tube to be common to the fluorescent lamp holders of various specifications.

The utility model has the advantages that the lamp tube with elastic adjustable length can be used, the user not only saves the cost of repeatedly purchasing the lamp tube, but also achieves the purpose of multi-purpose use of the lamp tube by the lamp tube, and meets the modern energy-saving. An important concept of environmental protection.

The above description of the present invention is intended to be illustrative and illustrative of the spirit and principles of the invention, and to provide further explanation of the scope of the invention. The features, implementations, and utilities of the present invention are described in detail with reference to the preferred embodiments.

1 is a cross-sectional view showing the structure of a lamp according to a first embodiment of the present invention. The lamp tube 10 includes a first lamp cover 102, a second lamp cover 104 and a positioning member 106. The first lampshade 102 has a hollow tubular shape, and the first lampshade 102 has a first opening 102a at one end thereof and a first conductive terminal 102b at the other end of the first lampshade 102. The second lamp cover 104 is also a hollow tubular shape, and the second lamp cover 104 has a second opening 104a at one end and a second conductive terminal 104b at the other end of the second lamp cover 104. The first conductive terminal 102b and the second conductive terminal 104b are preferably electrode joints, which are mainly inserted into the socket of the lamp socket, so that the lamp tube 10 is electrically connected to the inserted lamp socket. The first opening 102a and the second opening 104a correspond to each other such that the first lamp cover 102 is disposed relative to the second lamp cover 104.

The positioning member 106 includes an upper positioning plate 106a and a lower positioning plate 106b. The upper positioning plate 106a and the lower positioning plate 106b are spaced apart from each other, and the two ends thereof are respectively sleeved on the first opening 102a of the first lamp cover 102. The second opening 104a of the two lampshade 104 is inside. It should be noted that the positioning member 106 proposed by the present invention is not limited to two positioning plates (the upper positioning plate 106a and the lower positioning plate 106b), and the designer can design according to actual needs and specifications, and any one makes the first It is within the scope of the invention of the present invention that the lampshade 102 and the second lampshade 104 are reciprocally slidable relative to the positioning member 106.

According to the first embodiment of the present invention, a circuit board 108 is disposed on the lower positioning board 106b. The circuit board 108 is electrically coupled to the first conductive terminal 102b and the second conductive terminal 104b, whereby the first conductive terminal 102b and the first conductive terminal 102b are When the second conductive terminal 104b is inserted into the corresponding socket, the tube 10 is electrically connected to the socket. There is at least one illumination source 109 on the circuit board 108. For example, the light source 109 may be a light emitting diode (LED), a laser diode, or the like to project light as an illumination source of the tube 10. The material of the first lamp cover 102 and the second lamp cover 104 may be a light-transmitting material such as polycarbonate, but is not limited thereto, so that the light emitted from the light source 109 can pass through the lamp cover and illuminate the outside.

The lamp tube 10 disclosed in the present invention is mainly used to change the length of the lamp tube 10 by the first lamp cover 102 and the second lamp cover 104 which are reciprocally slidable relative to the positioning member 106. In detail, as shown in FIG. 1, when the designer considers the tolerance between the first opening 102a, the second opening 104a and the positioning member 106, so that the first opening 102a and the second opening 104a are tightly fitted. It is disposed outside the positioning member 106. In this case, when the user pulls or pushes the first lamp cover 102 and the second lamp cover 104, the first lamp cover 102 and the second lamp cover 104 can reciprocally slide relative to the positioning member 106, thereby reaching the modulation lamp tube 10. The effect of the length.

In addition, FIG. 2 is an embodiment in which the first lamp cover 102 and the second lamp cover 104 are reciprocally slidable relative to the positioning member 106 according to FIG. As shown in FIG. 2, the upper positioning plate 106a and the lower positioning plate 106b may have a slide rail (not shown), and the first lamp cover 102 and the second lamp cover 104 have a guiding member 112 thereon. The guiding members 112 are oppositely disposed on the sliding rails so as to be reciprocally slidable within the sliding rails. Therefore, by setting corresponding rails and guides 112 on the positioning member 106, the first lamp cover 102 and the second lamp cover 104, the first lamp cover 102 and the second lamp cover 104 can reciprocally slide relative to the positioning member 106. To change the length of the tube 10.

Further, it is considered that when the user adjusts the length of the lamp tube 10 to the length of the lamp holder by the above method, the length has been adjusted to prevent the lamp cover from continuing to slide, as shown in FIG. 3, the upper positioning plate The plurality of insertion holes 114 are further disposed on the lower cover plate 106b, and the first lamp cover 102 and the second lamp cover 104 have positioning bumps 116 thereon. Therefore, when the user pulls the first lamp cover 102 and the second lamp cover 104 such that the positioning bump 116 is embedded in the insertion hole 114, the first lamp cover 102 and the second lamp cover 104 are fixed on the positioning member 106. It is not allowed to continue to slide, and the effect of fixing the length of the bulb 10 is further achieved.

It is worth noting that when the lamp tube 10 is in the process of length modulation, a vacant area without illumination may be generated due to the expansion and contraction of the length of the lamp tube. Therefore, as shown in FIG. 4, the lamp tube 10 may further include a guiding element 118 disposed in the first lamp cover 102 and the second lamp housing 104. Wherein, the light guiding member 118 can be overlapped, overlapped or partially overlapped with the circuit board 108, so that the light emitted from the light source 109 enters the light guiding member 118 for reflection, thereby uniformly softening the light of the light source 109. And make up for the non-illuminated vacant area that may be generated when the length of the lamp 10 is lengthened.

Figure 5 is a cross-sectional view showing the structure of a lamp according to a second embodiment of the present invention. The lamp tube 20 includes a first lamp cover 202 and a positioning member 206. The first lamp cover 202 is a hollow tubular shape, and has a first opening 202a at one end thereof and is sleeved outside the positioning member 206. The positioning member 206 includes an upper positioning plate 206a and a lower positioning plate 206b. The relative arrangement relationship between the components is the same as that of the first embodiment of the present invention, and therefore will not be described again. It should be noted that, according to the second embodiment of the present invention, the first lamp cover 202 is reciprocally slid relative to the positioning member 206, thereby changing the length of the lamp tube 20. In other words, compared with the previous embodiment, the lamp tube 20 of the second embodiment of the present invention can be sleeved outside the positioning member 206 by using a single first lamp cover 202, thereby achieving the purpose of achieving the retractable length of the lamp tube 20.

As shown in FIG. 5, the lower positioning plate 206b is provided with a circuit board 208, and the circuit board 208 has a light source 209 for projecting light as an illumination source of the lamp tube 20. For example, the light source 209 can be, but not limited to, a light emitting diode (LED), or a laser diode, or the like. The material of the first lamp cover 202 can be, for example, a light-transmitting material such as polycarbonate, but the light emitted from the light-emitting source 209 can pass through the lamp cover to illuminate the outside.

One end of the positioning member 206 has a first conductive terminal 206c, and the first lamp cover 202 has a second conductive terminal 202b at the other end opposite to the first opening 202a. The first conductive terminal 206c and the second conductive terminal 202b are preferably electrode joints and are electrically coupled to the circuit board 208 such that the first conductive terminal 206c and the second conductive terminal 202b are inserted into the corresponding lamp holders. The tube 20 can be electrically connected to the socket.

Therefore, according to the second embodiment of the present invention, the designer considers the tolerance between the first opening 202a and the positioning member 206 such that the first opening 202a is sleeved outside the positioning member 206 in a tight fit manner. In this case, when the user pulls or pushes the first lamp cover 202, the first lamp cover 202 can reciprocally slide relative to the positioning member 206, thereby achieving the effect of adjusting the length of the lamp tube 20.

In addition, Fig. 6, Fig. 7, and Fig. 8 are other embodiments of the lamp tube 20 according to Fig. 5, respectively. As shown in FIG. 6, the positioning member 206 may have a slide rail, and the first lamp cover 202 may have a guiding member 112 thereon, so that the guiding member 112 reciprocates and slides in the sliding rail, thereby changing the length of the bulb 20 .

Alternatively, as shown in FIG. 7, the upper positioning plate 206a and the lower positioning plate 206b may have a plurality of insertion holes 114, and the first lamp cover 202 has positioning bumps 116 thereon. Therefore, when the user pulls the first lamp cover 202 such that the positioning bump 116 is embedded in the insertion hole 114, the first lamp cover 202 is fixed on the positioning member 206 without continuing to slide, further reaching the lamp tube 20 The effect of the fixed length.

In order to compensate for the length modulation of the lamp tube 20, a vacant area without illumination may be generated due to the expansion and contraction of the length of the lamp tube. Therefore, as shown in FIG. 8, the lamp tube 20 may further include a guiding element 118 disposed in the first lamp cover 202. The light guides 118 may be overlapped, overlapped or partially overlapped with respect to the circuit board 208, so that the light emitted by the light source 209 enters the light guide 118 for reflection, thereby uniformly softening the light source 209. Light, and make up for the non-illuminated vacant area that may be produced when the length of the tube 20 is lengthened.

Therefore, in summary, according to the lamp tube disclosed in the present invention, the length of the lamp tube can be effectively changed by using at least one lamp cover to reciprocate relative to the positioning member, so that it can be used for various specifications of the fluorescent lamp holder. . For example, through the telescopic mechanism taught by the present invention, the lamp tube can form three different lengths of 60 centimeters (mm), 120 centimeters (mm), or 150 centimeters (mm), which not only achieves the purpose of multi-purpose use of a lamp. The problem that only a single application between the conventional lamp tube and the lamp holder can be solved is solved.

The utility model has the advantages that the application of the lamp tube with elastically adjustable length not only saves the cost of repeatedly purchasing the lamp tube, but also achieves the purpose of multi-purpose use of the lamp tube by the lamp tube, and conforms to the modern energy-saving and environmental protection. The important concept.

While the present invention has been described above in its preferred embodiments, it is not intended to limit the invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. The scope of patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

10. . . Lamp

20. . . Lamp

102. . . First lampshade

102a. . . First opening

102b. . . First conductive terminal

104. . . Second lampshade

104a. . . Second opening

104b. . . Second conductive terminal

106. . . Positioning member

106a. . . Upper positioning plate

106b. . . Lower positioning plate

108. . . Circuit board

109. . . Light source

112. . . Guide

114. . . Insert hole

116. . . Positioning bump

118. . . Light guide

202. . . First lampshade

202a. . . First opening

202b. . . Second conductive terminal

206. . . Positioning member

206a. . . Upper positioning plate

206b. . . Lower positioning plate

206c. . . First conductive terminal

208. . . Circuit board

209. . . Light source

Fig. 1 is a cross-sectional view showing the structure of a bulb according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view showing the structure according to another embodiment of Fig. 1.

Figure 3 is a cross-sectional view showing the structure according to another embodiment of Figure 1.

Figure 4 is a cross-sectional view showing the structure according to another embodiment of Figure 1.

Figure 5 is a cross-sectional view showing the structure of a lamp according to a second embodiment of the present invention.

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

Figure 7 is a cross-sectional view showing the structure according to another embodiment of Figure 5.

Figure 8 is a cross-sectional view showing the structure according to another embodiment of Figure 5.

10. . . Lamp

102. . . First lampshade

102a. . . First opening

102b. . . First conductive terminal

104. . . Second lampshade

104a. . . Second opening

104b. . . Second conductive terminal

106. . . Positioning member

106a. . . Upper positioning plate

106b. . . Lower positioning plate

108. . . Circuit board

109. . . Light source

Claims (18)

A lamp tube includes: a positioning member; and a first lamp cover, which is a hollow tube, the first lamp cover has a first opening at one end thereof, and is sleeved outside the positioning member, and the first lamp cover is opposite to the lamp cover The positioning member reciprocates to change the length of the tube. The lamp of claim 1, further comprising a circuit board disposed on the positioning member, the circuit board having at least one light source for projecting a light. The lamp tube of claim 2, wherein one end of the positioning member has a first conductive terminal, and the other end of the first lamp cover has a second conductive terminal, the first conductive terminal, the second conductive terminal and the The circuit boards are electrically coupled to each other. The lamp tube of claim 2, further comprising at least one light guide member disposed in the first lamp cover, the light guide member being disposed in parallel, overlapping or partially overlapping with the circuit board, the light source Light is incident into the light guide for reflection. The lamp tube of claim 1, wherein the positioning member comprises two positioning plates disposed in parallel with each other, and the two positioning plates are disposed in the first opening. The lamp of claim 1, wherein the material of the first lampshade is a light transmissive material. The lamp tube of claim 1, wherein the positioning member has a plurality of insertion holes, the first lamp cover has a positioning bump, and the positioning protrusion is embedded in one of the insertion holes, so that the first lamp cover It is fixed on the positioning member. The lamp tube of claim 1, wherein the first opening is sleeved in the positioning member in a tight fit manner such that the first lamp cover reciprocates relative to the positioning member. The lamp tube of claim 1, wherein the positioning member has a sliding rail, the first lamp cover has a guiding member, and the guiding member is reciprocally slipped in the sliding rail to change the length of the lamp tube. . A lamp tube includes: a positioning member; a first lamp cover is a hollow tubular body, the first lamp cover has a first opening at one end thereof, and is sleeved outside the positioning member; and a second lamp cover is a hollow tube having a second opening at one end thereof is sleeved outside the positioning member, and the second lamp cover is disposed opposite to the first lamp cover; wherein the first lamp cover is opposite to the second lamp cover The positioning member reciprocates to change the length of the tube. The lamp of claim 10, further comprising a circuit board disposed on the positioning member, the circuit board having at least one light source for projecting a light. The lamp tube of claim 11, wherein the other end of the first lamp cover has a first conductive terminal, and the other end of the second lamp cover has a second conductive terminal, the first conductive terminal and the second conductive terminal Electrically coupled to the circuit board. The lamp tube of claim 11, further comprising at least one light guide member disposed in the first lamp cover and the second lamp cover, the light guide member and the circuit board are disposed in parallel, overlapping or partially overlapping, The light of the illumination source is incident on the light guide for reflection. The lamp tube of claim 10, wherein the positioning member comprises two positioning plates disposed in parallel with each other, and the two positioning plates are disposed in the first opening and the second opening. The light tube of claim 10, wherein the material of the first lamp cover and the second lamp cover is a light transmissive material. The lamp tube of claim 10, wherein the positioning member has a plurality of insertion holes, and the first lamp cover and the second lamp cover respectively have a positioning bump, and the positioning protrusion is embedded in one of the insertion holes. The first lamp cover and the second lamp cover are fixed on the positioning member. The lamp tube of claim 10, wherein the first opening and the second opening are sleeved in the positioning member in a tight fit manner such that the first lamp cover and the second lamp cover reciprocally slide relative to the positioning member. The lamp tube of claim 10, wherein the positioning member has a slide rail, and the first lamp cover and the second lamp cover have a guiding member, and the guiding member is reciprocally slipped in the sliding rail to change The length of the tube.