TWI334468B - - Google Patents

Description

IJJ4468 IX. Description of the invention: _ * [Technical field to which the invention pertains] The invention relates to a bulb and a light source device, and more particularly to a bulb having a good positional reproducibility in a circumferential direction when a bulb is positioned at a position of a metal cover. [Light source device] [Prior Art] A light bulb that irradiates light including ultraviolet light of a predetermined wavelength is conventionally provided in a state where the metal cover is determined. The structure of the conventional light bulb is explained with reference to Fig. 10. Fig. 10 is a front view schematically showing the configuration of a conventional light bulb. As shown in Fig. 10, the bulb 100 is placed in the light-emitting b 101 made of glass, and the drain 1〇2 and the cathode 103 are opposed to each other. The two electrodes 1〇2 and 103 are connected to the conductive metal foil 105 and 105 via a lead (168 (1) rod 1〇4, 1〇4 and the conductive metal foils 1〇5 and 5, and the sealing tube 106 made of glass is connected. , 106 is sealed, and the airtightness between the inside and the outside of the arc tube 1〇1 is maintained. Further, in the sealing tubes 1〇6, 1〇6, the metal covers 1〇7, 1〇7 are followed by The metal cover 107 (not shown) is fixed. The metal cover 107, 107 is connected to the conductive metal foils 105, 1〇5 by the wrong lines ι1 〇, 11 () and the electrodes 1 〇 2, 1 〇 3 Electrically connected 'at each of the electrodes 102, 1〇3, power is supplied from the side of the metal cover 〇7, 1〇7. Further, at the end faces 1〇8, 108 of the metal covers 1〇7, 107, a circle is provided. The cylindrical metal lid holding portions 109 and 109 (protrusion portions) are held by the holding portion (concave portion) 2〇1 of the metal cover frame 200 provided in advance by the fitting metal lid holding portion 'bulb 1' 2244-8172-PP; Ahddub 5 1334468 -. The light-emitting part of the bulb (light-emitting tube) is placed in the mirror (elliptical mirror) (not shown) is configured 'from the light system of the bulb Mirror, etc. In the light source device including the bulb and the metal cover, in the light source device including the bulb and the metal cover, if the light-emitting portion (light-emitting point) of the bulb in the mirror moves, 'the optical performance cannot be determined due to the prescribed optical performance. In the case obtained, the light-emitting point must be constantly located at a certain position in the mirror. Therefore, if the individual error of the position of the light-emitting point of the bulb is large, 'the light-emitting point in the concave mirror must be adjusted every time the bulb is exchanged. The position is very troublesome* and the efficiency is poor, and even if the bulb is exchanged, the position reproducibility of the light-emitting point must be made good. • Therefore, in Patent Documents 1 and 2, the positional reproducibility of the bulb is made - preferably maintained The structure is proposed. In other words, in Patent Documents 1 and 2, the holding structure for holding the metal cover of the bulb is provided at the flange portion of the metal cover, where the flange portion and the bulb holding portion of the bulb lighting device are It is preferable to provide the positioning portion to position the position in the circumferential direction of the bulb. In particular, in φ Patent Document 1, 'by arranging the bulb positioning hole at the flange portion, In addition, in the case of the patent document 2, it is preferable to provide the positional reproducibility in the circumferential direction by providing a bulging portion at the flange portion and providing a concave portion on the device side. However, in the holding structure having the positioning portion described in Patent Documents 1 and 2, there are problems as described below. In the holding structure of Patent Documents 丨 and 2, when the bulb is placed in the mirror, The rear side of the mirror is placed in the mirror, and the large hole that must be connected to the arc tube with the largest diameter of the bulb must have a problem of reducing the mirror surface. Also, 6 2244-B172-PP; Ahddub f)丄 4 4468 —• In order to compensate for the reduction of the mirror surface, and to use the mirror as a large north, there is a problem that the entire device will be enlarged. In order to cope with the above problem, the metal cover structure of the bulb in Patent Document 3 is proposed, and the drawings (11) and (b) are front views showing a conventional metal lid structure. As shown in the drawings U(a) and (b), the metal cover 120 of the bulb is disposed at a portion of the circumferential surface 123 of the metal cover holding portion 122 at the metal cover holding portion 122 which is slanted at the end surface 121 thereof. The positioning engagement portion I24 is a plane φ in the axial direction. Further, on the metal cover frame 125 side, the holding portion 126' is formed in a concave shape to have a curved surface holding portion 127 which conforms to the shape of the circumferential surface 123 of the metal cover holding portion 122 and conforms to the shape of the positioning engagement portion ι24. The plane holding portion 28 is configured such that the position of the metal cover i 2 is clearly determined for the mounting position. Also, carry out the circumference of the bulb

At the time of positioning, the loading is performed in a state in which the step L of the height of the metal lid holding portion 122 is separated. According to the above configuration, the bulb can be attached to the front side of the mirror, and when the bulb is replaced, the bulb can be clearly placed at the determined position due to the mounting position of the bulb, thereby preventing positioning failure due to the mounting direction of the bulb. The bulb has a short life or a deviation from the light of the object to be irradiated. [Patent Document 1] Japanese Laid-Open Patent Publication No. 2001-31-9503 [Patent Document 3] JP-A-2003-297228 (Summary of the Invention) (Problems to be Solved by the Invention) 2244 -8172-PF; Ahddub 7 1334468 • However, the metal cover structure of the bulb described in the prior patent document 3 can be completed from the front side of the mirror, but due to the metal cover The positioning configuration is formed in the metal lid holding portion, and the operator must perform an operation of moving the toner holder to the position in the circumferential direction of the positioning portion of the metal lid holder and the metal lid holding portion. Therefore, when the bulb is rotated in the circumferential direction, if the position between the metal lid holding portion and the metal cover suddenly matches, the end surface of the metal cover and the abutment surface of the metal cover collide, and there is a possibility that the collision may be transmitted to the bulb and may be damaged. Sex. In addition, j is an increase in the power of the lamp in recent years, and the weight of the member (for example, the anode) constituting the bulb is increased, and the impact of the metal cover and the metal is increased, and the possibility of damage to the bulb is increased. . Further, the operator cannot visually recognize that the bulb is in the metal cover frame and the flange portion as described in Patent Documents 1 and 2 is common. The present invention has been made in view of the above problems, and it is possible to facilitate the operation of the apparatus by the operator's visual appearance. Moreover, even if the abutment surface of the metal cover and the end face of the metal cover collide, the collision can be minimized. As a limitation, it is a problem to provide a bulb and a light source device in which a light bulb can be easily and surely and reproducibly positioned in the circumferential direction. (Means for Solving the Problem) In order to solve the above problems, the bulb according to the present invention is configured as follows. In other words, the metal cover frame having the holding portion of the metal cover holding portion that fits the bulb is mounted in a detachable manner, except that it includes a dog-shaped portion that is engaged with a notch portion of the metal cover of the bulb. a metal tube that includes a tubular tube that is connected to both sides of the illuminating 2244-8l72-PF; Ahddub 8 1334468 • • • • • • • • • • • • • • • • The above-described notch portion of the bulb of the metal lid holding portion in which the end surface is connected and smaller than the diameter of the metal lid is disposed at a position that is provided across the end surface from the cylindrical side surface of the metal lid. With such a configuration, the light bulb allows the operator to visually confirm the position between the notch portion provided at the position where the cylindrical side surface of the metal cover crosses the end surface, and the projection portion of the metal cover frame, and the operator visually confirms the setting. The lamp can be attached to the metal cover frame by determining the position of the notch portion of the metal cover and the protrusion of the metal cover frame. Moreover, the distance between the metal cover and the metal cover is the height of the protrusion when it is installed, and it is a small step compared with the conventional object. Further, in the above-described light bulb, the notch portion has a configuration in which an inclined surface is formed from the side surface of the cylinder toward the top of the notch. According to this configuration, when the notch portion abuts on the projection portion φ of the metal cover frame, the bulb is guided along the inclined surface thereof, and the notch portion is guided to the positioning position of the projection portion. Further, in the above bulb, the notch portion is configured to be rough-faced as at least a portion of the notch surface. With such a configuration, the metal cover frame is increased in friction by the rough surface processed portion applied in the notch surface of the notch portion, and the bulb is gradually moved at the positioning position of the protrusion portion - The light source device is a light source device including a bulb and a metal cover frame for holding the bulb, the bulb includes a sealing tube connected to the arc tube 2244-8172-PF; Ahddxab 9 1334468 - both sides, and the sealing tube is received and has a cylindrical metal cover of the end surface, and a metal cover holding portion which is connected to the end surface of the metal cover and which is formed smaller than the direct control of the metal cover and held by the metal cover frame, and the metal cover frame includes the embedded cover a holding portion of the metal lid holding portion, an abutting surface that abuts against an end surface of the metal crucible, and a protruding portion provided on the abutting surface, wherein the metal cap is configured to extend across an end surface from a side surface of the cylinder a position and a notch portion that engages with the protrusion. With such a configuration, the light source device allows the operator to visually check the position of the notch portion of the metal cover of the bulb and the position of the protrusion of the metal cover frame. The operator can visually confirm the metal cover and the metal. The cover frame is fitted with a light bulb. Further, the distance between the metal cover and the metal cover is the height of the projection when it is installed, and it is a small step compared with the conventional one. (Effect of the Invention) Φ The light bulb and the light source device according to the present invention achieve the excellent effects as described below. Since the bulb or the light source device is provided with a notch portion at a position across the end surface from the cylindrical side of the metal cover, the operator can visually confirm the notch portion of the metal cover and the protrusion portion provided on the metal cover frame to mount the bulb. In the book industry, the bulb can be easily and accurately placed at the position of the metal cover, and the bulb can be mounted in a good manner without changing the configuration of the mirror, and the possibility of damage to the bulb can be minimized. Moreover, when performing the installation, the height of the protrusion of the metal cover is 2244-8172-PP and the end face of the metal cover; Ahddub 10 1334468 - the step difference is small, even if the end face of the metal cover and the metal cover The end face conflicts, 'the impact system is minimized and the bulb is not damaged. By providing an inclined surface at the notch portion or applying a rough surface to a portion of the notch surface, since the bulb is along the protrusion, the inclined surface of the notch portion moves and the positioning between the notch portion and the protrusion portion is gradually performed. The impact on the bulb can be minimized. [Embodiment]

The best mode for carrying out the bulb and the light source device according to the present invention will be described below with reference to the drawings. Fig. 1 is a front view showing a portion of the bulb and the metal cover omitting. Fig. 2(a) is a cross-sectional view showing a portion of the metal cover omitting the bulb, and Fig. 2(b) is a view showing A cross-sectional view of a portion of the metal cover and the metal cover that omits the bulb is shown in Fig. 3. The figure showing the state in which the bulb is mounted on the metal cover is shown in Fig. 3(a) to partially omits the bulb. A cross-sectional view of the metal cover and the metal cover frame, a third (8) view is a cross-sectional view in the Y η line of the 3rd (&) figure, and a third (c) figure is in the χι_χι line of the 3 (a) figure. Sectional view. As shown in Fig. 1, the 原 && 1 九 原 original device 10 includes a light bulb that illuminates light containing ultraviolet rays of a predetermined wavelength! And the light bulb 1 of the Jiang can be freely loaded with a metal cover 2 装. As the '3; metal cover holding portions 9, 9 of the light-emitting tube 2, the bulb 1 includes: a metal cover 4, and a sealed tube having a reduced shape on both sides is provided on the wall surface of the metal cover 4, 4 β c The imaginary end faces 6, 6; the notch portion 7 is formed at a position across the cylindrical side face 5 and the end face 6 of the metal cover 4. 2244-8172-PF; Ahddub 1334468 square and two in the light-emitting tube 2 of the bulb i 'cathode and anode are in the opposite way' straw' lead by the lead rod 1 1 , i] the name of the surname m "11 is supported" In the case where the lead bar Η, 11 is connected to the berth 12, 12 is sealed by the inside and outside of the sealing tube 3, 3, and the airtightness between the parts is formed. Further, as shown in Fig. 2 Not in the sealed tube 3, 3, gold; 1筌 / 1 a ji. belongs to the 盍 4, 4 is by the adhesive 13, is the cover 4, 4 is by the silver welding 15 and the wrong line 14, 14 In the case of the electrode, the electric power is supplied from the metal cover 4, 4 side. The misalignment lines U and 14 are omitted from the front of the metal cover 4. The figure is shown in Fig. 1 The 'notch portion 7' read in the figure 2 is a metal cover frame to be described later, and the four parts 22 are in an entry state (engaged state) or a relative state (engaged shape). A metal cover 2 for determining a light bulb! The position in the circumferential direction: the object for the position. The notch portion 7 is formed by the cylindrical side surface 5 of the metal cover 4 across the end surface 6 (the circumference of the boundary between the end surface 6 and the cylindrical side surface (four) - unit The notch portion 7 is formed in a notched shape having a rectangular shape from the positive =, and the bottom surface is formed as in the second (4) view, and is formed as the positioning portion 8 as the inclined surface. When the protrusion 22 of the cover frame 2G is entered, the positioning accuracy of the strict ((four) price) is not required, for example, in the case of processing the size of the bulb i of the input power of 3~, even if there is 5 The error-like engagement state (the state in which the notch portion 7 is larger than the projection portion 22 or the state in which the projection portion 22 is not in contact with the projection portion 22) may be used. The position of both sides of the cylindrical side surface 5 and the end surface 6 may be a portion of the cylindrical side surface 5 and a portion of the end surface 6. The X' notch portion 7 will be formed on the cylindrical side surface 5 and the end surface 6. The corner portion is referred to as the shape of the recess from the position of the cylinder side® 5 spanning end 2244-8172-PF; Ahddub 12 丄W4468. the surface 6 is the shape and the protrusion 22, the metal cover 4 If the positioning position of the metal cover frame 20 determines the shape of the position, it does not limit the object.

Further, the metal truss 20 is provided, for example, in an exposure apparatus (not shown), including an abutting surface 21 that abuts against the end surface 6 of the metal lid 4, and a hole-like shape provided at the center of the abutting surface 21 The holding portion 24 and the protruding portion 22 provided on the abutting surface 21 by the periphery of the holding portion 24 are provided. The metal cover frame is configured to be inserted into the metal cover holding portion 9 of the metal cover 4 in the holder 24 formed in a hole shape as shown in the third (a), (b), and (c). . Moreover, when the end surface 6 of the metal cover 4 and the contact surface 21 of the metal cover frame 2 are in contact with each other at a predetermined depth of the holding portion 24, the annular groove portion 9a formed in the metal cover holding portion 9 is located. The spring pin 25 is provided to protrude in the hole, and the fixing screws 26 and 26 are disposed across the straight felt at the same depth. The spring pin 25 and the fixing screws Μ and Μ are engaged with the member of the metal lid holding portion 9 in the groove portion 9a of the metal lid holding portion 9.

As shown in Fig. 2(b) and Figs. 3(a) and 3(b), the projection 22 of the metal cover frame 2 is formed here in a truncated cone shape, and the inclined surface is formed into a metal The positioning portion 8 of the notch portion 7 of the S 4 is formed to be opposite to the convex side positioning portion 23. Further, the convex side positioning portion 23 of the projection portion 22 does not need to have a shape in which the inclined surface that abuts against the positioning portion 8 of the notch 胄 7 enters the notch , 7, for example, a straight surface such as a cylindrical shape or a prismatic shape. In addition, even if the TX large portion 22 is formed so as not to be in contact with the notch portion 7, the position in the circumferential direction of the bulb 1 may be in a state in which the allowable range can be performed to a certain extent. -8172-PF; Ahddiab 13 1334468 • Also available. The protrusion 22 is here at the end face 6 of the metal cover 4 and the metal cover frame

The positions of the mouth portion 7 and the protrusion portion 22 are formed. > Next, refer to Figure 4 to illustrate the installation of the light bulb! The metal cover 4 is in the action of the metal cover 20.帛4(a), (8), and (c) are perspective views showing the order in which the metal cover of the bulb is mounted on the metal cover. First, as shown in Fig. 4(a), the operator can visually confirm the notch portion 7 on the round side surface 5 of the metal cover 4, and the notch portion 7 of the metal cover 4 protrudes as much as possible in the metal cover frame 20. The position where the portion 22 enters is held in the same manner as the metal cover holding portion 9 is inserted into the holding portion 24 of the metal cover frame 20. As shown in Fig. 4(b), the metal cover holding portion 9 of the metal cover is inserted into the holding portion 24 of the metal cover frame 2, and the position of the notch portion 7 of the metal cover 4 and the projection portion 22 of the metal cover frame 20 is inserted. When it is not actually fitted, the upper surface of the protrusion 22 is in a state of being in contact with the end surface 6 of the metal cover 4. Therefore, the operator rotates the metal cover 4 around the axis of the bulb 1 from the state of Fig. 4(b), as shown in Fig. 4(c), at the notch portion 7 of the metal cover 4, the metal cover The projections 22 of the frame 20 are brought into a common positional fit. When this position is engaged, the notch portion 7 can be visually confirmed on the cylindrical side surface 5 of the metal cover 4, and since the projection portion 22' of the metal cover frame 20 can be visually confirmed by the projection portion 22, the bulb is inserted into the notch portion 7, the bulb The 1 series is quickly dropped and will not be impacted. The operator can support the light bulb 1. 2244 - 8172 -PF; Aiiddub 14 1334468 • If the operator does not pay attention to the 'notch part 7', enter the protrusion rapidly.卩2 2 ' Even if the bulb 1 is only dropped to the south portion of the dog portion 2 2 because the step L1 of the protrusion 22 (refer to Fig. 2(b)) is small, the bulb i is not damaged. When the metal cover 4 is engaged with the metal cover frame 20, the end surface 6 of the metal cover 4 abuts against the contact surface 21 of the metal truss 20, and the power supply can be supplied to the electrode side of the bulb. Further, as shown in Fig. 3(b)'(c), the metal lid holding portion 9 is inserted into the holding portion 24 of the metal cover frame 20, and the end surface 6 of the metal cover 4 and the metal cover frame 2 are slid. When the joint surface 21 is in the contact state, the spring pin 25 in the holding portion 24 is pushed out and engaged with the annular groove portion 9a of the metal lid holding portion 9. Further, the operator adjusts the fixing screw of the metal cover frame 20. 26 and 26, the fixing screws 26 and 26 are engaged with the annular groove portion 9a of the metal lid holding portion 9, and the bulb 1 is attached in a state where the position of the bulb 1 is determined in the circumferential direction of the metal cover frame 2'. Further, depending on the type of the bulb 1, there is a positioning accuracy in the circumferential direction. When required, the contact accuracy and gap of the end surface 6 of the metal cover 4 and the contact surface 21 of the metal cover 20 are increased. The accuracy of the contact between the positioning portion 8 of the portion 7 and the projection positioning portion 23 of the projection portion 22 and the accuracy of the fitting state of the notch portion 7 and the projection portion 22 can achieve high positional reproducibility in the circumferential direction. . As described above, the notch portion 7 is provided at a position across the end surface 6 from the cylindrical side surface 5 of the metal cover 4, and the projection portion 22 is provided on the abutting surface of the metal cover frame, whereby the operator makes the bulb! From the bottom up or the light bulb 1 is mounted from the top to the bottom, you can visually confirm 2244-8l72-PP; Ahddub 15 enters the installation of the bulb 1 n -α^Ρ 7 , Test work, and even in the state where the notch portion 7 of the metal cover 4 and the dog burr 22 of the metal cover frame 2 〇i are not aligned in the circumferential direction, the metal cover holding portion 24 is unloaded; The package = 9 can be carried out in the depth of the metal cover 20. ~ The light-filled book industry can be stable and simple, and the objects shown in the metal cover frame are also available. The hood frame is provided on the metal cover and relates to the protrusion and description. The shape of the projections 22 formed in the second embodiment is a cross-sectional view in which the fifth and fifth (a) to (d) drawings schematically show the configuration of the large portions. In addition, since the configuration other than gold is the same, the illustration is omitted as shown in Fig. 5(a), and the dog-making portion 22 is formed in a spherical shape, and is formed on the abutting surface 21. The number of the · 丨 丨 取 取 取 取 取 取 取 取 取 取 31 31 31 31 31 31 31 31 31 31 31 By forming such a large-sized portion 22Α, the contact with the inferior surface 6 of the metal cover 4 is suppressed to a minimum limit, and the limit of the erection and the occupation is shifted toward the circumferential direction of the bulb 1. 'It is safe to install the bulb 1. Further, as shown in Fig. 5(b), the projection 22 is formed in a spherical shape, and is applied to the edge of the installation hole 31 formed by the contact surface 21, and is used as a claw portion in the same manner as a caster bearing. The configuration of the freely rotating state setting is also possible. By forming the projection 22B of this type, since the end surface 6 of the metal crucible 4 is rotated, the damage to the end surface 6 is prevented, and the movement of the bulb in the circumferential direction becomes easy, and the bulb can be mounted more securely. Metal cover 2 〇. Further, as shown in Fig. 5(c), the projection 22c is formed in a locking screw shape in which a cylindrical surface is formed by applying a screwing (male screw) 32c, and is also formed on the side of the mounting hole 31 of the abutting surface 21. Screw processing (female screws) 31c, 2244-8172-pp; Ahddub 16 - may be applied by screwing. The projection 22C of such a configuration can be simply provided with a projection on the abutting surface 21 as compared with a spherical object. Further, as shown in Fig. 5(d), the projection 22D may be configured to press and fix the cylindrical pin in the installation hole 31 formed in the contact surface 21. The projection 22D of such a configuration can be easily provided on the abutting surface 21 as compared with other articles. Further, the shape of the notch portion 7 may be as shown in Figs. 6 and 7. The 6th (aMe) diagram and the 7th (aMe) diagram are diagrams respectively showing other configurations in the metal cover of the bulb, wherein the 6th (a) and 7(a) diagrams are perspective views showing the metal cover, 6(b), 7(1)) are perspective views showing the state in which the metal cover and the metal cover are attached, and the sixth (c) and 7 (c) are the sixth (b) and 7 (b). Fig. 6(d) and 7(d) are perspective views of the state in which the metal crucible and the metal cover are attached, and the sixth (e) and seventh (e) diagrams are the sixth ( A plan sectional view of the state of d) and 7(d). In the light bulb and the light source device, the other components are the same as those of the above-described members, and the same reference numerals will be given thereto, and the description will be omitted. As shown in Fig. 6(a), the metal cover 4A has the notch portion 7A across the cylinder. The side surface 5 and the end surface 6 are chamfered in a large, hoofed shape, and are formed as an inclined surface from the cylindrical side surface 5 toward the top of the notch. The notch portion 7A is, for example, as shown in Fig. 6(d), and when the projection 22 is positioned, the annular groove portion 9a of the metal lid holding portion 9 inserted into the holding portion 24 of the metal cover frame 20 is formed. The engagement spring pin 25 is temporarily fixed to the axial direction, and is again in a state in which the end surface 6 of the metal cover 4 is prevented from being separated from the contact surface 21. Therefore, the central portion of the notch portion 7A is here a positioning portion. Further, the metal cover 4A is 2244-8172-PF; Ahddub 17 Kamikawa 4468 •: metal cover 2 . In the state in which the position in the circumferential direction is determined, the projection 22 corresponding to the notch portion 7A may be an object as shown in Fig. 5, or a truncated cone shape or a cylindrical shape. When the notch portion 7A' is attached to the metal cover frame 20, as shown in Figs. 6(b) and (c), even the notch portion 7A of the gold layer cover and the protrusion of the metal cover frame 20 are formed. The position of the portion 22 in the circumferential direction is not completely achieved, because the metal portion 4A is guided along the inclined surface of the notch portion 7A by the projection portion 22 so as to be rotatable in the circumferential direction, and can be easily attached. In particular, since the metal i 4A moves along the inclined surface of the notch portion 7a, the impact of the bulb 1 at the time of mounting is substantially suppressed. Further, the notch portion 7A is formed by roughing the rough surface of the field (at least - part) or the entire surface of the explosion (8) & (4) processing, except for the center of the inclined surface thereof. When the slanted surface contact is applied, the moving speed of the metal cover 4A in the circumferential direction t becomes slow, and the impact applied to the bulb 2 becomes more gentle. Further, as shown in Fig. 7(a), the notch portion 7B of the metal cover (10) is formed so as to include the central inclined surface 7a from the cylindrical side surface 5 toward the top of the notch at a position across the end surface 6 of the cylindrical side surface 5. And the left inclined surface on its left and right? b Objects like the right inclined surface 7b are also available. The left inclined surface and the right inclined surface 7b of the notch portion 7B are formed to be bilaterally symmetrical, and the central inclined surface 7 is formed differently from the oblique angle and the oblique direction. Further, the central inclined surface 7a of the notch portion is completed here. As a task of the positioning portion, the notch portion 7B of this type has the left inclined surface and the right inclined surface 7b, and the metal cover 18 is mounted on the metal cover 2 as shown in the seventh (b) to (e). 2244-8172-PF; Ahddub % 1334468 4B' in the holding portion 24 of the metal cover frame 2, as the metal cover holding portion -9 is deeply inserted (the end surface 6 approaches the abutting surface 21), the left inclined surface Or any one of the inclined faces 7b abuts against the protruding portion 22, and the metal cymbal 4B moves along the inclined surface to guide the protruding portion 22 at the position of the central inclined surface 7a. Therefore, the end face 6 of the metal cover 48 is When the abutting surface of the metal cover frame abuts, the positions in the circumferential direction are made uniform by the notch portion 7B and the protruding portion 22. Further, when the metal lid holding portion 9 enters the holding portion 24, even if the positions of the notch portion 7B and the projection portion 22 in the circumferential direction are not completely coincident, since the notch portion 7B is guided on the projection portion 22, the circumference can be easily and circumferentially The position of the direction reproducibly sets the bulb 1 to be good. In particular, when the metal cover frame 20 is attached to the bulb 1 via the metal cover 4B under the bulb, the position of the central inclined surface 7a of the positioning portion of the missing σ portion 7B and the projection portion 22 in the circumferential direction are not caused. The protruding portion 22 supports the end surface 6 of the metal cover 4B. Further, when the bulb} is rotated in the circumferential direction, the right (left) inclined surface 71} of the notch portion 7B and the position of the protrusion portion "in the circumferential direction are aligned" along the right (left) slope s 7b 'the metal cover 4b side can be In the moving state, at the position of the projection 22, the center inclined surface 7a is guided, and the metal cover 4B is moved. Therefore, when the notch portion 7B and the projection portion 22 are positioned, it is equal to the step difference of the bulb 1 by the projection portion 22. The impact of the drop is substantially eliminated, and the impact applied to the bulb can be relaxed. Further, when the notch portion is redundant and the projection is positioned, the end surface 6 of the metal cover 4B and the contact surface 21 of the metal cover 20 are brought into contact with each other. And as shown in the seventh (4) and (e), the spring pin 25 provided in the holding portion 24 is attached to the metal cover holding portion 2244 « 8172-PF of the metal cover A; Ahdd\ib 19 1334468 • 9 The annular groove portion 9a is engaged, and the oblique t is temporarily fixed in the axial direction. Therefore, the notch portion 7B and the protruding portion 22 become fixed payables.

When the position is the clamp position, the end surface 6 of the metal cover 4B can be prevented from being separated from the abutting surface of the metal cover frame 20. Therefore, when the notch portion and the projection portion 22 are set at the positioning position, the metal cover frame 2 and the metal cover 4B are placed in a stable position by the positional relationship in the circumferential direction.

Further, the rough surface processing of the left inclined surface 7b and the right inclined surface 7b is subjected to rough surface processing, such as the metal crucible 4B, along the projection portion 22, by the left inclined surface 7b or the right inclined surface of the notch portion 7B. It becomes slower and makes the impact of slipping more gentle. Further, in the bulb according to the present invention, as shown in Figs. 8(a) and 8(b), the notch portion of the metal lid may be used. Fig. 8(a) and (b) are perspective views showing other types of notch portions. As shown in Fig. 8(a), the metal cover 4C is formed by forming a notch portion at a position crossing the end surface 6 from the cylindrical side surface 5. This notch portion ye is an object formed by a predetermined length in the cylindrical side surface of the corner groove in the axial direction of the bulb. In the side surface of such a cylinder, by being formed with a predetermined length and entering the projection portion 22 at the notch portion 7C', it is easier to visually judge whether or not the positioning has been completed. In the eighth (b) diagram, the object shape in which the groove shape of the notch portion 7D is formed in a semicircular shape achieves the same effect as that in the eighth (a) diagram. In the above, from the first to the eighth (a) and (b), the notch portion 7 (7 to 70) is provided as a place in the metal cover 4 (44 to 41). The reason is that the bulb 1 of the bulb 1 is limited to the bulb 1 in a specific direction. Therefore, the structure of 2244-8172-PF as shown in Fig. 9; Ahddub 20

A 08 metal cover is also available. The figure 9(4) 7) is a perspective view showing another configuration of the arrangement of the missing portions in the metal cover of the bulb. As shown in Fig. 9(a), in the case where the irradiation direction of the bulb j is irradiated in the 18-degree direction, the notch portion 7(m) is at two equal positions. form. Further, as shown in Fig. 9(b), in the case where the irradiation direction of the bulb 1 is in any one of the 120-degree directions, the notch portions 7 (7A to 7D) are in three equal positions. form. Further, as shown in Fig. 9(c), in the case where the irradiation direction of the bulb 1 is in any of the 9-turn directions, the notch portion 7 (7A,) is formed at four equal positions. Configuration is formed. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front elevational view showing a portion of a bulb and a metal cover for omitting the present invention; and Fig. 2(a) is a view showing a part of the bulb of the present invention omitted. The sectional view '帛2(b) is a cross-sectional view showing a metal cap and a metal cover which partially omits the bulb of the present invention; and Fig. 3 is a view showing that the bulb according to the present invention is attached to the metal cover frame 吟In the illustration of the shape t, the third (a) is a sectional view showing a metal cover and a metal cover which partially omits the bulb, and the 帛3 (b) is a sectional view in the Y1-Y1 line of the third (4) diagram. 3(c) is a cross-sectional view of the χbχι line t in the 3(a) diagram; 4(a) to (c) are diagrams showing the metal cover of the bulb of the present invention mounted on the metal cover Stereoscopic view of the frame; 2244-8172-PF; Ahddub 21 1334468 • Figures 5(a) to (d) are the five mains _ 糸 are not related to the other components of the metal cover of the bulb of the present invention Fig. 6(a)(e) is a view showing another configuration in the metal cover of the bulb of the present invention, wherein Fig. 6(a) is a perspective view showing a metal cover, and 6(b) ) The figure is a perspective view of the state in which the clothing is not metal and the metal truss, and the sixth (c) is a plan sectional view of the state of the second drawing (b), and the sixth (d) is The metal cover and the metal 3 are the perspective view of the state of the cover, the 6th (e) is a plan sectional view of the state of the 6th (d); the 7th (a) to (e) are shown FIG. 7(b) is a perspective view showing a metal cover, and FIG. 7(b) is a perspective view showing a state in which the metal cover and the metal cover are attached, FIG. 7(b) is a view showing another configuration of the metal cover of the light bulb of the present invention. Fig. 7(4) is a plan sectional view showing the state of Fig. 7(8), Fig. 7(4) is a perspective view showing a state in which the metal cover and the metal cover are attached, and Fig. 7(e) is a state of Fig. 7(d). Fig. 8(a) and (b) are perspective views showing still another configuration of the metal cover of the bulb of the present invention; and Figs. 9(a) to (c) are diagrams showing the present invention. Fig. 10 is a front view showing a bulb having a conventional metal cover; and, 11(a), ( b) is a diagram illustrating a method of fitting a bulb having a conventional metal cover to a metal cover. Main component symbol description] 2244-8172-PF; Ahddub 22 1334468 1~ bulb; 2~ luminous tube; 3~ sealing part; 4~ metal cover; 4A~4D~. metal cover; 5 ~ cylindrical side; 6~ end face 7~ notch; 7A-7D~ notch; 7 a~ central inclined surface; 7b~ left and right inclined surface; 8~ positioning part; 9~metal cover holding part; 9a~ditch part; 10~light source device; Rod; 12~ conductive metal foil; 13~ adhesive; 14~ lead line; 15~ silver solder; 20~ metal cover; 21 ~ abutment surface; 22~ protrusion; 22 8~22卩~ protrusion; 23~ convex side positioning part; 24~ holding part; 25~spring pin; 2 6 ~ fixing screw; 31~ setting hole; 31〇~screw machining (female screw) 32a~ welding; 32b~ pressing claw; 32< :~screw processing (male screw); 1 0 0 ~ bulb; 1 01 "LED; 102~ anode; 103~cathode; 104~lead rod; 105~conductive metal foil; 106~sealing tube; Cover; 1 0 8 ~ end face; 109 ~ metal cover holding portion; 11 0 ~ wrong line; 120 ~ metal cover; 1 21 ~ end face; 122 ~ metal cover holding portion; 123 to circumferential surface; 2244-8172-PF; Ahddub 23 1334468 124 to positioning engagement portion; 126 to holding portion; 128 to plane holding portion; 20 to holding portion (recessed portion). 125~ metal cover frame; 127~ curved surface holding portion; 200~ metal cover frame;

2244-8172-PF; Ahddub 24

Claims (1)

1334468 Revision period: 99.8.4 No. 095124617 Chinese patent application scope amendment '* ' ---------· _ X. Patent application scope: (4): Mingdou (four) Qiu reading ^^•*** *^-,, -1.·"**»-一-^->-. 丨1.- The bulb's abutting surface with a flat surface abutting the metal cover of the bulb, from which the abutment a metal cover which is formed to protrude from the notch portion of the metal cover and which is fitted to the notch portion of the metal cover, and is attached to the holding portion of the metal cover holding portion of the bulb, and is detachably attached thereto. In the metal cover, the notch portion is provided at a position spanning from the cylindrical side surface of the metal cover to the end surface, the end surface is flat, and the metal cover holding portion is formed at the center of the end surface and has a cylindrical shape. . 2. The light bulb of claim 1, wherein the notch has an inclined surface from a side of the cylinder toward a top of the notch. 3. The light bulb of claim 1 or 2, wherein the notch portion is a rough surface finish applied to at least a portion of the notch surface. A light source device comprising: a bulb; and a metal cover for holding the bulb, wherein: the bulb comprises: a sealing tube connected to both sides of the arc tube, and a cylinder having the end surface and housing the sealing tube a metal cover and a metal cover holding portion which is connected to an end surface of the metal cover and which is smaller than a diameter of the metal cover and held by the metal cover; the metal cover comprises: the metal cover holding portion a holding portion, a contact surface abutting the end surface of the metal cover, and a protrusion portion provided on the contact surface; the metal cover includes a notch portion attached to the side surface of the metal cover cylinder 2244-8172-PF1 25 1334468 Position across the end face, engaging with the above-mentioned protrusion 2244-8172-PF1 26