CN101552175B

CN101552175B - Lamp fixing piece, lamp base and socket thereof

Info

Publication number: CN101552175B
Application number: CN200810177128XA
Authority: CN
Inventors: 杉原令次
Original assignee: USHIOSPAX CORP
Current assignee: Ushio Denki KK
Priority date: 2008-03-31
Filing date: 2008-12-05
Publication date: 2012-09-05
Anticipated expiration: 2028-12-05
Also published as: KR100934377B1; KR20090104630A; CN101552175A; JP4480772B2; JP2009245805A

Abstract

The present invention provides a lamp fixing piece, a lamp base and a socket for the lamp fixing piece, it is capable of mounting a lamp at an exact position by using the lamp fixing piece and fixing the lamp base in the socket temporarily. The lamp fixing piece (10) is composed of a lamp base (30) embedded on an outer side of an electrode locating on one end side of the lamp (50) and a socket (20) having an insertion part (22) for being inserted by the lamp base. The lamp base (30) is provided with an inclined part (31b) having a narrow front width relative to the insertion direction of the insertion part and a front end part (31a) formed with a constant width, and the front end part is formed with an annular fastening groove (35). In the insertion part of the socket for the lamp base, aninclined part (22b) and a front end insertion part (22a) are formed corresponding to the appearance shape of a bellying part of the lamp base, the inner wall of the front end insertion part is provid ed with a fastening body (26b) with a turnover mode by an elastic force, wherein the fastening body and the fastening groove are fastened with each other.

Description

The lamp socket of lamp fixture, this lamp fixture and socket

Technical field

The present invention relates to the lamp socket and the socket of a kind of lamp fixture, the said lamp fixture of formation; Say in more detail; Relate to following lamp fixture, constitute the lamp socket and the socket of said lamp fixture: the lamp that this lamp fixture will be provided with the xenon lamp, mercury vapor lamp, metal major light (metal high-light lamp) of electrode etc. at the luminous tube two ends that are sealed with gases at high pressure is connected with supply unit; And with the fixing said lamp of predetermined attitude, promptly, the periphery of lamp is fixed on the position of predetermined level and the position vertical with this horizontal plane.

Background technology

Gases at high pressure are sealed in the luminous tube.And, describe with the example of xenon lamp as the high-voltage lamp that is respectively arranged with electrode at these luminous tube two ends.As shown in Figure 9, this xenon lamp 50 has following structure: the gap arranged opposite of the front end of the front end of cathode taps 52 and anode head 53 about with 2～3mm is in the luminous tube 51 of quartz glass system.Be sealed with xenon in this luminous tube 51; In addition; In one distolateral (upper end side in the illustrated example) of luminous tube 51, the lead-in wire (not shown) that is connected with anode head 53 extends to outside the luminous tube 51, in addition; In another distolateral (lower end side in the illustrative example) of said luminous tube 51, the lead-in wire (not shown) that is connected with luminous tube 51 interior cathode taps 52 extends to luminous tube 51 outer (with reference to the open 2006-80016 communique of Japan Patent).And each lead-in wire is connected with the

lamp holder

54,55 that is installed in the luminous tube two ends as electrode respectively, and this

lamp holder

54,55 is connected with supply unit.Like this, constitute and to carry out luminous structure through the arc discharge in the xenon.

In addition, the symbol 56 among Fig. 9 is a projection, is the ledge that part generated remaining when sealing and removing gas importing path, and this gas imports path and is used for xenon is sealed in the luminous tube 51.In addition, 57 is the end protuberance, and its diameter forms forr a short time than the diameter of said lamp holder 55, thereby forms the anode tap sidepiece of lamp 50.

In the precalculated position in will being installed to lamp box 1 for example like the xenon lamp 50 of above-mentioned formation; Make anode in upside and vertically installation; Perhaps install, and install through the end of only fixing arbitrary side with the opposed mode level of cathode taps 52 and anode head 53 along continuous straight runs.Its reason is, the heat that lamp 50 sends when lighting can make luminous tube 51 expand, and all is fixed if be arranged at the electrode at luminous tube 51 two ends, then might can't absorb the thermal expansion of luminous tube 51 and makes lamp 50 breakages.

As an example, in example shown in figure 10, with lamp holder 55 partial fixings of the anode-side of this xenon lamp 50 and vertically be installed in the lamp box 1, on the top board 2a of lamp box 1, form opening 2b.Then, be provided with the lid 3 that covers this opening 2b from top, at the back side of this lid 3 lamp fixture 70 be installed, and the anode-side lamp holder 55 of said xenon lamp 50 is fixed on this lamp fixture 70.Like this, xenon lamp 50 is mounted with sagging state, thereby can the illuminating part of xenon lamp 50 be disposed at the precalculated position between back side mirror 5 and the collector lens 7 through the top board 2a that utilizes lamp box 1.

This lamp fixture 70 is formed by conductive material, and anode-side lamp holder 55 parts that not only support lamp 50 as described above to be being fixed as predetermined attitude with lamp 50, and can make the lamp holder 55 of anode-side be connected to supply unit.As an example; Shown in Figure 11 (A) and Figure 11 (B); This lamp fixture 70 is through forming socket 80 and lamp socket 90 combinations; Be formed with setting-in roughly cylindraceous portion 82 at the center of the annular flange portion 81 of socket 80, the bellying 92 that has the hollow in the setting-in portion 82 that can be fitted to said socket 80 at the center of the annular flange portion 91 of lamp socket 90, and the said socket 80 that is connected with supply unit is installed on said lid 3.

And, anode-side lamp holder 55 parts of xenon lamp 50 are inserted in the space 93 of formed hollow in the bellying 92 of lamp socket 90, thereby said lamp socket 90 are installed on the xenon lamp 50.Under this state, the said bellying 92 of lamp socket 90 is inserted in the setting-in portion 82 of socket 80, till

flange part

81,91 contacts of two portions 80,90.Then, make in the screwed hole 83 that forms on the flange part 81 that is screwed in the milled screw that is provided with on the flange part 91 of lamp socket 90 94 rotations and with its front end at socket 80.Like this, when can be installed to lamp 50 on the said lid 3, being electrically connected between the anode-side lamp holder 55 that carries out lamp 50 and the supply unit.

In addition, on said lid 3, be provided with adjusting mechanism, this adjusting mechanism can make the lamp 50 that is mounted via described lamp fixture 70 advance and retreat along its length to move and be that circumferentially rotate at the center with the length direction.Like this; Constitute and to pass through position the illuminating part of the lamp 50 in the lamp box 1; That is " LCD " (Light Center Distance: light center distance; Distance till from the center, gap between said cathode taps 52 and the said anode head 53 to anode-side lamp holder 55) finely tunes, so that the upright position of lamp 50 and the location of said projection 56 are finely tuned.

Patent documentation 1: TOHKEMY 2006-80016 communique

In the lamp fixture 70 illustrated, this lamp fixture 70 is become the state that socket 80 separates with lamp socket 90 with reference to Figure 10～12.Then, the socket 80 with a side is installed on the said lid 3 in advance.The opposing party's lamp socket 90 is installed on anode-side lamp holder 55 parts of lamp 50 in advance.And then, just can carry out the replacing of lamp 50 through socket 80 being installed to operation fairly simple like this on the lamp socket 90.

Said lamp fixture 70 is not only fixed lamp 50 as stated, and the lamp holder (being anode-side lamp holder 55 in the illustrated example) that has a side is connected to the function on the supply unit.Yet; In the lamp fixture 70 that has with reference to the illustrated structure in Figure 10～12; Can be inserted into the mode in the setting-in portion 82 that on socket 80, is provided with reliably, the external diameter that forms this bellying 92 is slightly littler than the internal diameter of the setting-in portion 82 of socket 80 at the bellying 92 that is provided with on the lamp socket 90.Thereby under the state in the bellying 92 of lamp socket 90 has been inserted into the setting-in portion 82 of socket 80 (with reference to Figure 12), producing between the interior week of the periphery of said bellying 92 and setting-in portion 82 has minim gap 6.

Thus; In the lamp fixture 70 of said structure, as stated, on lamp socket 90, socket 80, be provided with

flange part

81,91; And need guarantee to electrically contact through this flange part 81, contact between 91; To guarantee bigger contact area for the resistance that reduces the contact portion generation between lamp socket 90 and socket 80, need make this

flange part

81,91 form bigger area, thereby make lamp fixture 70 whole maximizations.

In addition, there is minim gap 6 as stated between the outer wall of the bellying 92 of setting-in portion 82 inwalls of socket 80 and lamp socket 90.Between socket 80 and lamp socket 90, produce rocking of horizontal direction owing to this gap 6, be difficult to make the center of socket 80 and lamp socket 90 in full accord.Consequently, be difficult to the center configuration that is installed on the lamp 50 on the lamp socket 90 is arrived position accurately.

And then; In the lamp fixture 70 illustrated with reference to Figure 10～12; Till the operation of screwing of a plurality of milled screws 94 on the flange part that is arranged at lamp socket 90 91 was accomplished, lamp socket 90 all can not be fixed on the socket 80, and both are in separable state; Therefore the people of replacing operation who carries out lamp 50 is up to accomplishing till screwing of this milled screw 94 accomplish, and all must support lamp socket 90 to keep the interior state of setting-in portion 82 that lamp socket 90 is inserted into socket 80.Yet hand leaves lamp socket 90 owing to shake waits, and lamp socket 90 and lamp 50 are fallen down, thereby makes expensive lamp 50 breakages such as xenon lamp, and in addition, lamp 50 breaks, and inner air pressure can make luminous tube 51 disperse etc., and is abnormally dangerous.

In addition, as illustrated with reference to Fig. 9, high-voltage lamps such as xenon lamp 50 have the formed projection 56 of nubbin that is imported path by gas in the part of luminous tube 51.And in the formation part of this projection 56, the light transmittance of luminous tube 51 reduces certainly.Thereby, with respect to the configuration that is located at back side mirror 5 in the lamp box 1, collector lens 7 etc.,, the output of the irradiates light that lamp box 1 emits is reduced because the position that this projection 56 is disposed is different.Thus, need be through being arranged at the adjusting mechanism on the said lid 3, lamp 50 rotations are waited and adjust, do not produce the position that this output reduces thereby projection 56 is disposed at, but such adjustment is very loaded down with trivial details.

Summary of the invention

Therefore; The present invention develops in order to solve above-mentioned shortcoming of the prior art; Its purpose is to provide the fixture of the lamp with following structure: this lamp fixture forms the little size of trying one's best, and can reduce resistance through increasing the lamp socket (lamp holder) and the contact area of socket simultaneously; In addition, can easily make the center-aligned (location of the upright position of said LCD and projection 56) of socket and lamp socket; Have again, can be through lamp socket being inserted in the socket and lamp socket is temporarily fixed in the socket; And, easily to carrying out contraposition between said socket and the lamp socket, and easily lamp socket is fixed on the socket.

Below, the method for dealing with problems is put down in writing through the best mode that is used for carrying out an invention and the symbol of embodiment.These symbols are used to make the record of claims corresponding clearly with the record of best mode that is used to carry out an invention and embodiment, certainly, are not limited to the explanation that the technical scope of claims of the application's invention is done.

In order to reach above-mentioned purpose; The lamp 50 that lamp fixture 10 of the present invention will be provided with electrode at the two ends of the luminous tube that is sealed with gases at high pressure 51 is connected with supply unit; And said lamp 50 is fixed with predetermined attitude; It is characterized in that this lamp fixture 10 constitutes to have: lamp socket 30, its distolateral electrode part that is embedded in said lamp 50 is divided the outside; With socket 20; It has the setting-in portion 22 with the outer shape corresponding shape of this lamp socket 30; And the said lamp socket 30 to being inserted in this setting-in portion 22 is fixed; This socket 20 is connected with supply unit (not shown); Be formed with the bellying 31 (cartridge in the execution mode) that is used for being inserted into said socket 20 on the said lamp socket 30; This bellying 31 is provided with rake 31b that width narrows down towards direction of insertion the place ahead and prolongs the leading section 31a (columnar component the execution mode) that from this rake 31b, and is formed with fastening groove 35 at the outer surface of said leading section 31a, and; In the said setting-in portion 22 of said socket 20; Be formed with the rake 22b that tilts with equal angular with the rake 31b of said lamp socket 30, but and be provided with the front end insertion section 22a (cylinder-like part in the execution mode) of the said leading section 31a of the said lamp socket 30 of setting-in, and said lamp socket 30 be configured to can be by elastic force and fastening in said setting-in portion 22 (first schemes) of said socket 20.

The said setting-in portion 22 of said socket 20 is provided with fastening body (spheroid of the bulb stopper 26 in the execution mode) 26b; This fastening body 26b fastening is in the fastening groove 35 that the direction of edge and the axis direction quadrature of the said leading section 31a of said lamp socket 30 forms; And this fastening body 26b can be projected in the said setting-in portion 22 or retreats by said elastic force by elastic force; In other words; Can be provided with passing in and out, said lamp socket 30 be set to can be by said elastic force and fastening in the said setting-in portion 22 of said socket 20, be suitable for carrying out temporary fixed like this and to the location (second invention) of the upright position of lamp source.

In the lamp fixture 10 of said structure; The length direction of the said leading section 31a of the said lamp socket 30 in edge is formed with keyway 36; And on the inwall of the said front end insertion section 22a in being located at the said setting-in portion 22 of said socket 20; Give prominence to and be provided with the key 24 (in execution mode, being the front end of keyway) that engages with said keyway 36,, be suitable for the location (third party's case) of the horizontal level of lamp source through constituting said structure with guider screw 24.

And then, in the lamp fixture 10 of said structure, can on the lamp maintaining part 33 that is formed at said lamp socket 30 peripheries, securing member 28 be set releasably, this securing member 28 is embedded in said socket 20 outsides in the end, inserting side of said lamp socket.In embodiments of the present invention; Periphery in the lamp maintaining part 33 that is formed at said lamp socket 30 peripheries is formed with pin thread 34; And; Securing member 28 is made up of endless member and is formed with the negative thread 29 that screws togather with said pin thread 34 at inner peripheral surface, and this securing member 28 is embedded in the outside (cubic case) of said socket 20 in the end, inserting side of said lamp socket 30.

In addition; Lamp socket 30 of the present invention constitutes: be installed to the 20 last times of socket that are connected with supply unit at the lamp 50 that will be provided with electrode at the two ends of the luminous tube that is sealed with gases at high pressure 51; Said lamp socket 30 is embedded in said lamp 50 1 distolateral electrode part and divides the outside, and is inserted in the setting-in portion 22 with rake 22b of said socket 20, it is characterized in that; Bellying 31 forms the corresponding outer shape of shape in the said setting-in portion 22 with said socket 20; And be inserted in the said setting-in portion, said bellying 31 is provided with: rake 31b, and the rake 22b that the width of itself and said socket 20 narrows down towards direction of insertion the place ahead tilts with equal angular; And prolong the leading section that from this rake; And at said leading section; For example be provided with the fastening groove 35 of predetermined length along its Width; Setting-in portion 22 inwalls at said socket 20 are provided with the fastening body, and this fastening body is set to can be by giving prominence in the relative setting-in of the elastic force portion or retreating that is can pass in and out, said fastening body and said fastening groove fastening (the 5th scheme).

In the lamp socket 30 of said structure, be provided with keyway 36 along the length direction of said leading section 31a, this keyway 36 engages (the 6th scheme) with the outstanding key of said setting-in portion's 22 inwalls from said socket 20.

And then; Socket 20 of the present invention constitutes: the lamp 50 that is provided with electrode with the two ends at the luminous tube that is sealed with gases at high pressure 51 is as mounting object; A distolateral electrode part that is embedded in said lamp 50 is divided the lamp socket 30 and the rake 31b that on this lamp socket 30, forms in the outside; Fix when being received in the setting-in portion 22 together, thereby via said lamp socket 30 said lamp 50 is installed, this socket 20 is characterised in that; In said setting-in portion 22, be formed with: rake 22b, the width of itself and said lamp socket 30 tilts with equal angular towards the rake 31b that direction of insertion the place ahead of said lamp socket 30 narrows down; And prolong the front end insertion section 22a that from this rake; This socket 20 forms and the corresponding interior shape of the outer shape of said lamp socket 30; And, giving prominence to the fastening body (the 7th scheme) that is provided with fastening groove 35 fastenings that form at said lamp socket 30 from the mode of the inwall turnover of this front end insertion section by elastic force.

In the socket 20 of said structure, the outstanding key (all directions case) that engages with the keyway 36 that on said lamp socket 30, forms that is provided with on the inwall of said front end insertion section.

According to the lamp socket 30 with structure as stated, the structure of socket 20, fix through 10 pairs of lamps 50 of lamp fixture that both are combined, can access following remarkable result.

On lamp socket 30, form above-mentioned rake 31b.And; In the setting-in portion 22 of socket 20, form and said rake 31b corresponding shape; That is, with the rake 22b of said rake 31b, thereby only lamp socket 30 is inserted in the setting-in portion 22 of socket 20 with the equal angular inclination; Just can the rake 31b of lamp socket 30 be guided to the inwall of formed rake 22b in the setting-in portion 22 of socket 20, can make the center contraposition exactly of two portions 20,30.Like this, also can the center that be installed in the lamp 50 on the lamp socket 30 be configured on the desired position exactly.

In addition; Because the contact of lamp socket 30, socket 20 is carried out with the inclined plane; Therefore compare with the situation that flange shape face (horizontal plane) contacts with lamp fixture 70 that kind of having explained with reference to Figure 10～12; Can suppress socket 20 to the peripheral direction expansion, can guarantee bigger contact area simultaneously, can reduce resistance in the contact portion generation of lamp socket 30, socket 20.

Be provided with the front end insertion section 22a that is used to take in said leading section 31a week in the setting-in portion 22 of socket 20; And be provided with the fastening body 26b (spheroid of the bulb stopper 26 in the execution mode) with 35 fastenings of fastening groove; This fastening groove 35 is formed on the leading section 31a (circumferencial direction in the execution mode, Fig. 5 (B)) that on lamp socket 30, is provided with, according to said structure; In the time of till the precalculated position in the setting-in portion 22 that lamp socket 30 is inserted into socket 20; Said fastening body 26b fastening in said fastening groove 35, thereby can lamp socket 30 be temporarily fixed in the setting-in portion 22 of socket 20, lamp socket 30 is being installed in the installation exercise of socket 20; Even because error has been left under the situation of lamp socket 30 hand, can prevent that also lamp socket 30 and lamp 50 mounted thereto from falling, breakage.

In addition; In having the lamp fixture 10 of said structure, through the such fastening sound of " click is rattled away " sound that the operator is heard produce when fastening

body

26b and 35 fastenings of fastening groove and feel that the impact that is accompanied by fastening, operator can confirm that lamp socket 30 has been inserted into the precalculated position in the setting-in portion 22 of socket 20 reliably; In addition; Owing to making fastening body 26b be mounted to and can pass in and out by elastic force, the lamp sockets 30 that will be inserted into through powerful ground in the setting-in portion 22 of socket 20 are extracted, and can overcome the active force of spring 26c etc.; Make fastening body (spheroid 26b) retreat and in fastening groove 35, deviate from, when changing lamp, can unhinderedly unload lamp.

The length direction of the leading section 31a of the said lamp socket 30 in edge is formed with keyway 36.And make the key that engages with said keyway 36 outstanding from the front end insertion section 22a inwall of said socket 20; According to said structure; Through lamp socket 30 being inserted in the setting-in portion 22 of socket 20; And key (front end of guider screw 24) is engaged with keyway 36, can lamp socket 30 be installed on the socket 20 with predetermined direction.

Consequently; For example to carry out the mode of predetermined configurations according to the projection of lamp 50 56 and the relation of this keyway 36; Lamp socket 30 is installed on the lamp 50, just can produces the mode of the position of shadow, lamp 50 is installed in the lamp box 1 etc. so that this projection 56 is arranged at output light.

And then the securing member 28 that for example is made up of the endless member that on inner peripheral surface, is formed with negative thread 29 is embedded in said socket 20 (main part 21 of the socket 20) outside.And; For example; On the outer peripheral face of said lamp socket 30, be formed with the pin thread 34 that the negative thread 29 with said securing member 28 screws togather, when said lamp socket 30 being inserted in the setting-in portion 22 of said socket 20, utilize said securing member 28 to make under the situation about can load and unload between said lamp socket 30, the socket 20; Can be only through the screwing of the securing member 28 that constitutes by single endless member, easily carry out the fixed operation between lamp socket 30 and the socket 20.

Description of drawings

Fig. 1 is the front section view with lamp box of lamp fixture of the present invention.

Fig. 2 is the right flank cutaway view with lamp box of lamp fixture of the present invention.

Fig. 3 is the vertical view with lamp box of lamp fixture of the present invention.

Fig. 4 is a socket of the present invention, (A) is vertical view, (B) is right side view, (C) is along the cutaway view of the C-C line of (B), (D) is upward view.

Fig. 5 is a lamp socket of the present invention, (A) is vertical view, (B) is right side view, (C) is along the line cutaway view of the C-C of (B), (D) is upward view.

Fig. 6 is the lamp fixture that is equipped with under the state of lamp, (A) is the right flank cutaway view, (B) is front section view.

Fig. 7 is the key diagram of bulb stopper (ball plunger), (A) is front section view, (B) is left view.

Fig. 8 is the key diagram that the position of projection of keyway and the lamp of explanation lamp socket concerns.

Fig. 9 is the key diagram of xenon lamp.

Figure 10 is the front section view with lamp box of existing lamp fixture.

Figure 11 is existing lamp fixture, (A) is the front exploded view, (B) is the cutaway view along the B-B line of (A).

Figure 12 is the cutaway view of the assembled state of existing lamp fixture.

Label declaration

1: lamp box; 2: cover; 2a: top board; 2b: opening; 3: lid; 5: back side mirror; 7: collector lens; 10: lamp fixture (the present invention); 20: socket (the present invention); 21: main part; 21a: end difference; 22: setting-in portion; 22a: front end insertion section; 22b: rake; 23: screwed hole (screwing togather) with the guider screw of keyway; 24: keyway is used guider screw; 25: screwed hole (plunger is used); 26: plunger (bulb stopper); 26a: cylindrical shell; 26b: fastening body (spheroid); 26c: spring;

27: screwed hole (power cable is installed and used); 28: securing member; 28a: flange; 29: negative thread; 30: lamp socket; 31: bellying; 31a: leading section; 31b: rake; 32: the lamp patchhole; 32a: large-diameter portion; 32b: small diameter part; 33: the lamp maintaining part; 34: pin thread; 35: the fastening groove; 36: keyway; 37: screwed hole (the lamp hold-down screw is used); 38: the lamp fixing screw; 50: high-voltage lamp (xenon lamp); 51: luminous tube; 52: cathode taps; 53: anode head; 54: lamp holder (cathode side); 55: lamp holder (anode-side); 56: projection; 57: the end protuberance; 70: lamp fixture (having now); 80: socket (having now); 81: flange part; 82: setting-in portion; 83: screwed hole; 90: lamp socket (having now); 91: flange part; 92: bellying; 93: the space; 94: milled screw.

Embodiment

Below, with reference to accompanying drawing, execution mode of the present invention is described.

In Fig. 1～Fig. 3, symbol 1 is a lamp box, and it has lamp fixture 10 of the present invention, and the lamp fixture 10 of the top board 2a side through being located at lamp box 1 is the anode side electrode fastening of lamp 50, thereby can lamp 50 be installed in the lamp box 1 with sagging state.

In the illustrated embodiment, lamp fixture 10 is installed on covers 3 the back side, this lid 3 has sealed the opening 2b that on the top board 2a of the cover 2 of lamp box 1, forms, and this lid 3 can unload from said opening 2b.

As stated, lamp 50 is being installed to via lamp fixture 10 in the illustrated execution mode that covers 3 back sides, lamp fixture 10 is to be combined to form by socket 20 (with reference to Fig. 4) that is installed on said lid 3 back sides and the lamp socket 30 (with reference to Fig. 5) that is installed on lamp 50 1 ends.According to these structures, can carry out the replacing of lamp 50 with respect to socket 20 loading and unloading through making lamp socket 30.From this point, be with reference to the identical structure of the illustrated lamp fixture in Figure 10～12 70.

In addition, in following example, though be that situation with the back side that lamp fixture 10 is installed to said lid 3 is that example describes, the application's invention is not limited to this structure.For example also can constitute: the socket 20 of lamp fixture 10 is fixed on the stay that in lamp box 1, is provided with etc.; Through unloading cover portion 2; Perhaps through being located at the door in the cover portion 2; Make in the lamp box 1 and open wide, lamp socket 30 can be loaded and unloaded with respect to socket 20, thereby can carry out the replacing of lamp 50.Concrete application to lamp box 1 grade is not limited to illustrated execution mode, can adopt various structures.

To shown in Fig. 5 (D), be installed on the said lamp socket 30 on lamp 50 1 ends like Fig. 5 (A), have the bellying 31 of tubular, with after the socket 20 stated when being connected, this bellying 31 is inserted in the setting-in portion 22 that on this socket 20, is provided with.And said lamp socket 30 has the lamp patchhole 32 of the end insertion that supplies said lamp 50, is inserted in this lamp patchhole 32 through the end (anode-side end) with lamp 50 and also fixes, and just can make lamp socket 30 to install with the chimeric state in the end outside of lamp 50.

As shown in Figure 1; Have the end protuberance 57 that lamp holder 55 and diameter form carefullyyer than the diameter of said lamp holder 55 as the lamp 50 of mounting object at a side end (anode-side end), in the structure of this such execution mode, this lamp patchhole 32 forms through hole; Lamp socket 30 integral body form tubular; Yet,, just needn't make lamp patchhole 32 form through hole according to its shape if the anode-side end of lamp 50 does not have said end protuberance; As long as form the shape that lamp holder 55 parts were inserted and taken in the anode-side end that can make lamp 50, be not defined as the shape of illustrated execution mode.

In the illustrated embodiment; In this lamp patchhole 32; Till the scope of predetermined length, be formed with large-diameter portion 32a from its end of taking in lamp 50 end side, this large-diameter portion 32a has the corresponding internal diameter of diameter with the lamp holder that on the anode of lamp 50, is provided with 55 parts.And; Direction of insertion front at this lamp patchhole 32 is formed with small diameter part 32b; This small diameter part 32b is used to take in the said end protuberance 57 of lamp 50, and its diameter is littler than the diameter of said large-diameter portion 32a, in the time of in the anode with lamp 50 is inserted into this lamp patchhole 32; Lamp holder 55 parts of the anode-side end of lamp 50 contact with large-diameter portion 32a's in interior week, and can electrically contact.

The bellying 31 that this lamp socket 30 has a said tubular in the setting-in portion 22 that is inserted into socket 20 be not inserted into said setting-in portion 22 interior and in the setting-in portion 22 of socket 20 outstanding lamp maintaining part 33.Said bellying 31 is provided with the rake 31b of circular cone shape; The width of this rake 31b narrows down towards the direction of insertion front end of this bellying 31; In addition, the fore-end of this rake 31b is provided with the leading section 31a that forms the constant diameter corresponding with the diameter of the thin footpath side end of this rake.

In addition, said lamp maintaining part 33 forms diameter than big slightly cylindric of the diameter of the big footpath side end of said rake 31b, on the periphery of this lamp maintaining part 33, with the preset range of the boundary side on said inclined plane in be formed with pin thread 34.

Be formed on the said leading section 31a of said bellying 31 front, be formed with respectively along the fastening groove 35 that circumferentially forms ring-type of this leading section 31a and the keyway 36 that forms along the length direction of said leading section 31a.

In addition, in Fig. 5 (B) and Fig. 5 (C), symbol 37 expression screwed holes, this screwed hole 37 form the outer circumferential lamp patchhole 32 interior through holes that connect from lamp maintaining part 33 cylindraceous.And; Through lamp hold-down screw 38 is screwed to this screwed hole 37 from the inside all sides of the outer circumferential side of lamp maintaining part 33; Thereby push the lamp holder 55 that is inserted into the lamp 50 in the lamp patchhole 32 with the front end of this hold-down screw 38, prevent that the anode-side end that is inserted into the lamp 50 in the lamp patchhole 32 from coming off from lamp patchhole 32.

With the lamp socket 30 that constitutes as stated relatively, shown in Fig. 4 (A)～Fig. 4 (D), the said socket 20 that is connected with this lamp socket 30 has: main part 21, it has the setting-in portion 22 that can be accommodated in the bellying 31 of formation on the said lamp socket 30; With securing member 28, it is made up of the endless member that is embedded in these main part 21 outsides.

The setting-in portion 22 in the main part 21 of this socket 20 of being formed at has the interior shape corresponding with the bellying of said lamp socket 30 31.And this setting-in portion 22 is formed with: front end cylindraceous insertion section 22a, its have can with the chimeric constant width of leading section 31a that on the bellying 31 of said lamp socket 30, forms; With rake 22b, its end from this front end insertion section 22a is formed up to till the openend of said setting-in portion 22.In addition, make the inclination of internal face of this rake 22b consistent with the inclination of the rake 31b that on the bellying 31 of said lamp socket 30, forms.Through above structure, constitute when the bellying 31 with lamp socket 30 is inserted in the setting-in portion 22 of socket 20, the periphery of the rake 31b of lamp socket 30 engages with the inwall of the rake 22b of setting-in portion 22.

In addition; In the illustrated embodiment; The setting-in portion 22 of socket 20 forms and has the corresponding through hole of anode-side end shape of the illustrated lamp 50 of end protuberance 57, yet according to the difference of the anode-side end shape of the lamp 50 that uses, also not necessarily will form through hole.

In addition; Rake 31b in the bellying 31 of said lamp socket 30 and the setting-in portion 22 of socket 20, the circular cone shape that 22b forms equal angular respectively; Yet be not limited thereto; Also can be that one side or a plurality of are that tilt with equal angular, the cross section is the shape of rectangle, for example can in following shape, carry out suitable choice: one side has the cylindrical body of the partial circle arcuation of rake, perhaps polygonal awl such as pyrometric cone etc.

Be formed with three screwed

holes

23,25,27 of the wall thickness of the front end insertion section 22a that connects setting-in portion 22 on the main part 21 of this socket 20.And the keyway that screws togather with a screwed hole 23 in these screwed holes is inserted in the keyway 36 that on the leading section 31a of said lamp socket 30, forms with the front end of guider screw 24.Like this, constitute the contraposition that the bellying 31 that can easily carry out lamp socket 30 is inserted into the insertion position in the setting-in portion 22 of socket 20.

In addition; Screwed hole 25 in the remaining screwed

hole

25,27 screws togather with bulb stopper 26; As shown in Figure 7 as an example; Periphery is formed with and has in the cylindrical shell 26a of pin thread as the spheroid 26b of fastening body with to the spring 26c of this spheroid 26b application of force; Fastening body (spheroid) 26b that makes said bulb stopper 26 is with can be outstanding from the front end insertion section 22a inwall of setting-in portion 22 by the mode of elastic force turnover, when the bellying 31 with lamp socket 30 is inserted in the setting-in portion 22 of socket 20, through making this fastening body (spheroid) 26b fastening in the fastening groove 35 that forms on the leading section 31a at lamp socket 30; Thereby constitute under the state in the setting-in portion 22 that can be inserted into socket 20, make both temporary fixed at the bellying 31 of lamp socket 30.

Be located at fastening body (spheroid) 26b in this bulb stopper 26 by the active force of spring 26c to the direction application of force of being released by spring 26c; And; The degree of depth through suitably adjusting said groove 35 and the diameter of spheroid 26, thus make spheroid 26b when lamp socket 30 is extracted, overcome the active force of said spring 26c from socket 20 powerfully and retreat.Like this, constitute the structure that from the setting-in portion 22 of socket 20, to extract the bellying 31 of lamp socket 30, before changing lamp 50, can easily unload the lamp 50 that to change.

In the illustrated embodiment, be that example is illustrated to screw togather such bulb stopper 26 that constitutes as shown in Figure 7 in the screwed hole 25 that on the main part 21 of socket 20, forms, yet the application's invention is not limited thereto.That is, also can be with said screwed hole 25 self as cylindrical shell, in this screwed hole, directly take in application of force unit such as fastening bodies such as spheroid and spring with said groove 35 fastenings.In addition, said fastening body is not limited to the spheroid 26b of that kind shown in Figure 7, also can adopt different shape.

In addition, the screwed hole 27 of the remainder that on the main part 21 of socket 20, forms is the screwed hole that is used to install the power cable that is connected with supply unit, the terminator terminating junctor of the end that is installed on power cable etc. is being carried out screw thread use fixedly the time.

On the main part 21 of the socket 20 that constitutes as stated; The securing member 28 that is made up of endless member cylindraceous rotatably is embedded in the outside of said main part 21, and makes near the edge of opening of said setting-in portion 22 to peripheral direction outstanding and form end difference 21a.And,, securing member 28 can not be come off from the periphery of the main part 21 of said socket 20 thereby constitute so that the outstanding mode of a side's of said securing member 28 the inside Zhou Fangxiang of interior Zhou Duanyuan forms the flange 28a that engages with said end difference 21a.

And; In the preset range of the opposing party's of said securing member 28 end side on week; Be formed with the negative thread 29 that the pin thread 34 that is used for and on lamp maintaining part 33 peripheries of said lamp socket 30, forms screws togather, can lamp socket 30 be fastened on the socket 20 through both screwing togather thereby constitute.

In the lamp fixture of the present invention that constitutes as stated, lamp socket that constitutes lamp fixture 10 30 and the said lamp socket 30 in the socket 20 are used to attach it to the anode-side end (with reference to Fig. 6 (A) and Fig. 6 (B)) of high-voltage lamp 50.

Can lamp socket 30 be installed on the anode-side end of lamp 50 by the user, also can for example carry out shipment etc.,, can prevent the polarity of lamp 50 is connect instead through formation like this with the state that lamp socket 30 is installed in advance the anode-side end of lamp 50.In addition, under this situation, when the user changes lamp, that the words that lamp 50 and lamp socket 30 are changed together are more convenient.

Lamp socket 30 can be so that the position of the said keyway 36 on the formation position that is formed at the projection 56 on the luminous tube 51 of lamp 50 and the leading section 31a that is located at lamp socket 30 forms the mode of predetermined configurations carries out with respect to the installation of lamp 50.

Keyway 36 on being located at the leading section 31a of lamp socket 30 is installed in the structure of this execution mode on the socket 20 with the mode towards the direction identical with the direction of illumination of light of lamp box 1 in the vertical view shown in Figure 8; The formation position of keyway 36 and the configuration of projection 56 are that the mode that the center differs the phase place of 90 ° or 270 ° is installed according to the axis with lamp socket 30 and lamp 50, and the anode-side end of lamp 50 is inserted in the lamp patchhole 32 of lamp socket 30.And, fix through tightening hold-down screw 38.

Like this; The lamp socket 30 that is installed on the anode-side end of lamp 50 constitutes: so that the fore-end of guider screw 24 mode chimeric with the keyway 36 of being located at leading section 31a; Bellying 31 is inserted in the setting-in portion 22 that is installed on the socket 20 that covers on 3, and is inserted into and makes bulb stopper 26 fastenings be located in the socket 20 till in the fastening groove 35 that the leading section 31a at lamp socket 30 forms.

The fastening sound of fastening body (spheroid) the 26b fastening that the user who carries out the installation exercise of lamp 50 can hear bulb stopper 26 in the fastening groove 35 that forms on the leading section 31a cylindraceous at lamp socket 30 time, and the impact of hand can feel fastening the time.Like this, can confirm that the tubular bellying 31 of lamp socket 30 has been inserted into preposition,

spheroid

26b and 35 fastenings of fastening groove through making bulb stopper 26 can be temporarily fixed at lamp socket 30 on the socket 20 simultaneously.Like this, even in the replacing operation of lamp 50, hand is left under the situation of lamp socket 30, also can prevent that lamp 50 from dropping etc. owing to slip up.

As stated; Under the state in the tubular bellying 31 of lamp socket 30 has been inserted into the setting-in portion 22 of socket 20; Through the negative thread 29 on the securing member of being located on the socket 20 28 that is made up of endless member is screwed on the pin thread 34 that on lamp maintaining part 33 peripheries of lamp socket 30, forms, accomplish connection between the two.

Fastening through utilizing securing member 28 between lamp socket 30 and socket 20, to carry out; Make the rake 22b crimping mutually in rake 31b and the setting-in portion 22 that is located at socket 20 on the tubular bellying 31 of being located at lamp socket 30; Need not lamp socket 30, socket 20 are adjusted etc., just can make their center contraposition exactly, can not produce in the horizontal direction simultaneously and rock; Consequently, can the axis direction of lamp 50 be configured to the center exactly.

In addition, owing to be to make contact between lamp socket 30 and the socket 20, therefore can make contact area bigger through rake 22b, 31b.Like this, can reduce the resistance that produces in both bonding parts.

Through so above, carry out the connection between lamp socket 30 and the socket 20.

Under situation about need finely tune, it is adjusted through being located at the adjustment unit that covers on 3 to the configuration of the lamp in the lamp box 1 50.Like this, the replacing of lamp finishes.

More than, according to lamp fixture 10 of the present invention, can easily lamp 50 be installed in the lamp box 1, and make center and projection 56 on the axis direction of lamp 50 towards the direction that does not produce shadow.Simultaneously, through described temporary fixed function, even because error is left under the situation of lamp socket 30 hand; Can prevent that also lamp 50 from falling, and, carry out the contact between lamp socket 30 and the socket 20 through the contact of

rake

22b, 31b; Not only can make both center contrapositions exactly; And, can make contact area between the two bigger through the contact between the inclined plane, can reduce resistance as best one can in both contact site branch generations.

Claims

1. lamp fixture, this lamp fixture makes the lamp that is provided with electrode at the two ends of the luminous tube that is sealed with gases at high pressure be connected with supply unit, and said lamp is fixed with predetermined attitude, it is characterized in that,

This lamp fixture constitutes to have: lamp socket, and its distolateral electrode part that is embedded in said lamp is divided the outside; And socket, it has the setting-in portion that supplies this lamp socket to insert and fix, and is connected with supply unit,

Be provided with rake that width narrows down towards direction of insertion the place ahead on the bellying in the said socket of being inserted into of said lamp socket and prolong the leading section that, and be formed with the fastening groove in said outer surface of front end from this rake,

But in the said setting-in portion of said socket, be provided with the front end insertion section of the said leading section of the rake that tilts with equal angular with the rake of said lamp socket and the said lamp socket of setting-in, and said lamp socket be set to can be by elastic force and fastening in the said setting-in portion of said socket.

2. lamp fixture as claimed in claim 1 is characterized in that,

Outstanding being provided with can be by the fastening body of elastic force turnover in the said setting-in portion of said socket; This fastening body fastening in the fastening groove that the direction of edge and the axis direction quadrature of the said leading section of said lamp socket forms, thereby said lamp socket be set to can be by elastic force and fastening in the said setting-in portion of said socket.

3. lamp fixture as claimed in claim 1 is characterized in that,

Length direction along the said leading section of said lamp socket is formed with keyway, and the outstanding key that engages with said keyway that is provided with on the inwall of the said front end insertion section in being located at the said setting-in portion of said socket.

4. lamp fixture as claimed in claim 1 is characterized in that,

Securing member releasably is set being formed on the lamp maintaining part of said lamp socket periphery, this securing member is embedded in the outside of said socket in the end, inserting side of said lamp socket.

5. lamp socket; In the time of will being provided with on the socket that lamp is installed to supply unit is connected of electrode at the two ends of the luminous tube that is sealed with gases at high pressure, this lamp socket is embedded in a distolateral electrode part of said lamp and divides the outside, and is inserted in the setting-in portion of said socket; It is characterized in that

Said lamp socket has bellying,

Be formed with rake that width narrows down towards direction of insertion the place ahead on the said bellying in being inserted into the said setting-in portion of said socket and prolong the leading section that from this rake; And be provided with the fastening groove at said leading section; This fastening groove can be with the fastening of fastening body, and this fastening body is arranged to can be outstanding from the said setting-in portion inwall of said socket by the mode of elastic force turnover.

6. lamp socket as claimed in claim 5 is characterized in that,

Be provided with keyway along the length direction of said leading section, this keyway engages with the setting-in portion outstanding key of inwall from said socket.

7. socket; Has setting-in portion; The lamp that is provided with electrode with the two ends at the luminous tube that is sealed with gases at high pressure is as mounting object, it fixedly installed said lamp in lamp socket being received into said setting-in portion, and this lamp socket has the rake that a distolateral electrode part that is embedded in said lamp is divided the outside; It is characterized in that

In said setting-in portion, be formed with: rake, its width narrows down towards direction of insertion the place ahead of said lamp socket, and tilts with equal angular with the rake of said lamp socket; And prolong the front end insertion section that, and can being provided with the fastening body from the mode of the inwall turnover of this front end insertion section is outstanding, in the fastening groove of this fastening body fastening on being formed at said lamp socket by elastic force from this rake.

8. socket as claimed in claim 7 is characterized in that,

The outstanding key that is provided with on the inwall of said front end insertion section, this key engages with keyway on being formed at described lamp socket.