CN202660472U - Focusing device for bulbs of stage luminaire - Google Patents
Focusing device for bulbs of stage luminaire Download PDFInfo
- Publication number
- CN202660472U CN202660472U CN 201220321266 CN201220321266U CN202660472U CN 202660472 U CN202660472 U CN 202660472U CN 201220321266 CN201220321266 CN 201220321266 CN 201220321266 U CN201220321266 U CN 201220321266U CN 202660472 U CN202660472 U CN 202660472U
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- light
- focusing
- adjusting screw
- rod
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Abstract
The utility model provides a focusing device for bulbs of stage luminaire. The device comprises a rear cover arranged on a lamp casing, a bulb component, a focusing plate, three groups of adjusting screw rods and an adjusting fixed plate, wherein the bulb component is fixed on the focusing plate; the adjusting fixed plate is fixed on the inner wall of the lamp casing; one ends of the adjusting screw rods are rotatably connected with the focusing plate, and the other ends are threadedly connected with the adjusting fixed plate; and through holes corresponding to each group of adjusting screw rods are arranged on the rear cover of the lamp casing. According to the device, the through holes are opened on the rear cover of the lamp casing, structures such as the focusing plate and the adjusting components are additionally arranged, therefore an operator can focus a bulb directly from the outside without dismounting the rear cover, and the operation is quite convenient; and due to the protection of the rear cover, the operator faces the bulb indirectly, and the safety is increased greatly.
Description
Technical field
The utility model relates to technical field of lamps, particularly relates to a kind of bulb focus control for stage lamp.
Background technology
In lighting field, light source site (such as bulb) should be guaranteed light source technically on focus, prevents again the injury personal safety of bulb accidental explosion and prevents that the light of lamp body inside from spilling the lamp body outside, to cause the pollution of use occasion on light.
Especially in the light of stage field, light source (such as bulb) operated by rotary motion is in the lamp body housings, in use, the focus of General Requirements light source (such as bulb) and the focus of reflector are on same straight line, just can guarantee the projection quality of light, and when mounted, the focus of light source (such as bulb) with the focus of reflector not on same straight line, at this moment just need to regulate the installation site of light source (such as bulb), and then the focus of regulating its focus and reflector is on same straight line.
And in the prior art, the light source majority is to use dual-end bulb, difficulty is installed, if need to regulate light source, all is need to be first the bonnet of lamp body to be taken apart usually, open light source, come again the position of manual adjustments light source by personnel according to the situation of throw light, it is adjusted to correct position, because this operational danger is higher, operating personnel generally need to wear head protector and can operate, and therefore this method has complex operation, dangerous high, the not high defective of focusing accuracy.And this focus adjustment method can only be to regulate both direction, lacks flexibility, causes finding optimal focus position, and the quantity of illumination utilizes low.
The utility model content
The purpose of this utility model is to overcome defects, and a kind of focus control that is used for the focusing of stage lamp bulb that can regulate from the light fixture outside bulb focus is provided.
This patent is achieved through the following technical solutions the foregoing invention purpose:
A kind of focus control for stage lamp bulb focusing comprises the bonnet and the bulb assembly that are arranged on the lamp body shell, focusing plate, three groups of adjusting screw(rod)s, adjustment fixing plate; Described bulb assembly is installed on the focusing plate, and described adjustment fixing plate is installed on the inwall of lamp outer casing; Described adjusting screw(rod) one end is rotatably connected with the focusing plate, and the other end is threaded with adjustment fixing plate; Corresponding every group of adjusting screw(rod) is provided with through hole on the described lamp body shell bonnet.
Preferably, be arranged with spacer sleeve on the described adjusting screw(rod).
Preferably, described spacer sleeve is positioned on the outer wall of focusing plate side and is provided with flange, is arranged with spring at described adjusting screw(rod), and an end and the flange of spring are supported, and the other end and adjustment fixing plate are supported.
Preferably, be provided with adjustment hole on the described adjustment fixing plate, be provided with the staking nut in adjustment hole, described adjusting screw(rod) is connected with the staking nut thread.
Preferably, the arranged outside that is positioned at adjustment fixing plate at described adjusting screw(rod) has self-locking nut.
Preferably, also comprise the fixed head that is in the light, the described fixed head that is in the light is arranged between focusing plate and the lamp body shell bonnet, the described fixed head that is in the light is connected with lamp body shell bonnet, corresponding adjusting screw(rod) place is provided with adjustment hole on the described fixed head that is in the light, and the adjustment hole on the fixed head that is in the light is coaxial with the bolt adjustment hole on the focusing plate.
Preferably, being in the light is provided with the cover that is in the light between fixed head and the focusing plate, and the described cover periphery that is in the light is provided with the flange that is in the light, and the described cover that is in the light is connected with the fixed head that is in the light, and the described cover that is in the light is provided with adjustment hole, and the adjustment hole of the cover that is in the light is coaxial with the adjustment hole on the focusing plate.
Preferably, the described flange that is in the light is provided with at least one screw, and the described cover that is in the light is fixed on the fixed head that is in the light by bolt arrangement.
Preferably, the described adjusting screw(rod) end that is positioned at focusing plate side is provided with screw terminal.
Preferably, described focusing plate is triangular in shape, and described three groups of adjusting screw(rod)s are distributed on three angles.
Compared with prior art, the utility model has the advantage of:
1, by offering adjustment hole at lamp body shell bonnet, and set up the structures such as focusing plate, adjusting screw(rod), so that the operator can directly regulate the focus of bulb from the outside, need not dismantle bonnet, operate so very convenient, and the protection of bonnet, operator have been arranged is not directly in the face of bulb, has greatly improved its security.
2, the screw head of screw rod can be seen by the adjustment hole of lamp body shell bonnet, and fast and easy is regulated bulb, guarantee to regulate and put in place, and screw head is just keeping off again on the adjustment hole position of lamp body shell bonnet, in the time need not regulating, can also play dustproof effect.
3, by setting up the nested structure that is in the light, so that light fixture has advantages of the preventing dust light leak.
4, set up self-locking nut, can so that adjusting part can be regulated the bulb focus, can prevent that again screw rod from coming off.
5, this physical dimension is compact, volume is little, safe and reliable, assembly technology is simple and production cost is low, not only can be used for stage lamp, and be suitable for other light decoration light fitting, uses very extensive.
Description of drawings
Fig. 1 is the schematic perspective view of this focus control and reflector;
Fig. 2 is the schematic perspective view after structure shown in Figure 1 is removed reflector;
Fig. 3 is the schematic perspective view after structure shown in Figure 2 is removed lamp body shell bonnet;
Fig. 4 is the exploded perspective view of structure shown in Figure 2;
Fig. 5 is the top view of structure shown in Figure 2;
Fig. 6 is A-A cutaway view shown in Figure 5;
Fig. 7 is the local enlarged diagram in structure F shown in Figure 6 place;
Fig. 8 is that A-A shown in Figure 5 analyses and observe schematic perspective view;
Fig. 9 is the upward view of structure shown in Figure 2;
Figure 10 is the schematic perspective view of looking up of lamp body shell bonnet shown in Figure 2;
Figure 11 is the schematic perspective view of the cover that is in the light shown in Figure 2.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
With reference to Fig. 1-11, this is used for the focus control of stage lamp bulb focusing, and this device comprises lamp body shell bonnet 1, bulb assembly 2, focusing plate 5, three groups of adjusting screw(rod)s 4, adjustment fixing plate 3; Described focusing plate 5 is triangular in shape, and bulb assembly 2 is installed on the focusing plate 5, and adjustment fixing plate 3 is installed on the support (not showing among the figure) of lamp body enclosure; Be provided with respectively equally distributed three adjustment holes 51,31 on focusing plate 5, the adjustment fixing plate 3, adjusting screw(rod) 4 is rotatably connected, is threaded with the adjustment hole 31 of adjustment fixing plate 3 with the adjustment hole 51 of focusing plate 5; Corresponding every group of adjusting screw(rod) place is provided with through hole 11 on the lamp body shell bonnet 1, and mutually corresponding through hole 11, adjustment hole 51, adjustment hole 31 coaxial line settings on the lamp body shell bonnet 1, focusing plate 5, adjustment fixing plate 3.
As shown in Figure 9 and Figure 10, the through hole 11 of lamp body shell bonnet 1 is the through hole that is communicated with the outside.
As shown in Figure 9, be provided with screw head on the adjusting screw(rod) 4, the screw rod first speed can also play dustproof effect on the position, hole of the through hole 11 of lamp body shell bonnet.
As preferably, as shown in Figure 7, be arranged with spring 42, spacer sleeve 43 on the adjusting screw(rod) 4, spacer sleeve 43 is provided with through hole, and its outer wall one side is provided with flange, and spacer sleeve 43 is sleeved on adjusting screw(rod) 4 peripheries of focusing plate 5 upper surfaces; Spring 42 is sleeved on the periphery of adjusting screw(rod) 4, spacer sleeve 43, and spring 42 1 ends support the flange of spacer sleeve 43, and the other end is supported adjustment fixing plate 3; Spacer sleeve 43, moving up and down of 42 pairs of adjusting screw(rod)s 4 of spring are played position-limiting action, to avoid excessively regulating adjusting screw(rod) 4, so that bulb 21 is run into reflector 8, affect the lamp operation effect.
Between the lower surface of the head of adjusting screw(rod) 4 and the plate 5 of focusing, also be provided with pad 41.
As shown in Figure 7, be provided with staking nut 44 in the described adjustment hole 31, staking nut 44 is riveted together with the adjustment hole 31 of adjustment fixing plate 3, and the outer wall of staking nut 44 contacts cooperation with adjustment hole 31 inwalls of adjustment fixing plate 3; One end of adjusting screw(rod) 4 is connected with staking nut 44, self-locking nut 45 successively.
As a kind of preferred version, this bulb focus control also comprises be in the light cover 6 and the fixed head 7 that is in the light, and the cover 6 that is in the light is used for preventing that the light that bulb 21 sends from leaking out from each adjustment hole and lamp body shell bonnet 1.The fixed head 7 that is in the light is located at focusing plate 5 belows, and is connected on the lamp body shell bonnet 1; The cover that is in the light 6 is connected on the fixed head 7 that is in the light, and the cover 6 that is in the light is provided with the adjustment hole 61 with adjustment hole 51 coaxial lines of the plate 5 of focusing, and similarly, also is provided with the adjustment hole 71 with adjustment hole 51 coaxial lines of the plate 5 of focusing on the fixed head 7 that is in the light; As shown in figure 11, cover 6 the periphery that is in the light is provided with the flange 62 that is in the light, the flange 62 that is in the light can block the adjustment hole 71 of the fixed head 7 that is in the light, the through hole 11 of lamp body shell bonnet 1 well, so that light spills from the adjustment hole 71 of the fixed head 7 that is in the light, the through hole 11 of lamp body shell bonnet 1.
As shown in Figure 4, the fixed head 7 that is in the light is provided with screw 72, is fixed on the lamp body shell bonnet 1 by bolt arrangement.As shown in figure 11, the flange 62 that is in the light of the cover 6 that is in the light is provided with screw 63, and is fixed on the fixed head 7 that is in the light by bolt arrangement.
As another kind of preferred version, this bulb focus control also comprises the cover 6 that is in the light, and the cover that is in the light 6 is connected on the lamp body shell bonnet 1, is equipped with the adjustment hole 61 with the adjustment hole coaxial line of the plate 5 of focusing on the cover 6 that is in the light; Cover 6 the periphery that is in the light is provided with the flange 62 that is in the light, and the flange 62 that is in the light can be well blocks the through hole 11 of lamp body shell bonnet 1, so that light spills from the through hole 11 of lamp body shell bonnet 1.
Be in the light fixed head 7, focusing plate 5, adjusting part 4, adjustment fixing plate 3 is provided with respectively for the centre bore by bulb assembly 2.
As shown in Figure 4, the adjustment hole 51 of focusing plate 5 is preferably three adjustment holes that present Triangle-Profile around its center, accordingly, as shown in Figure 5, the through hole 11 of the adjustment hole 71 of the adjustment hole 31 of adjustment fixing plate 3, the fixed head 7 that is in the light, lamp body shell bonnet 1 also is respectively three adjustment holes that present Triangle-Profile.Correspondingly, adjusting part 4 also is preferably three groups of adjusting parts 4.
Focusing plate 5 is preferably three flanges that are provided with around its center distribution triangular in shape, so that focusing plate 5 presents triangle.
As shown in Figure 1, this bulb focus control also comprises reflector 8, and reflector 8 is enclosed within bulb 21 peripheries, and is located at focusing plate 5 tops.
Described lamp body shell bonnet 1 is connected with the shell one of stage lamp, is arranged on the end of stage lamp.
Use principle of the present utility model: the operator stretches into lamp body inside with screwdriver (or instrument of other set screw) from the through hole 11 of lamp body shell bonnet 1, and pass successively the fixed head 7 that is in the light adjustment hole 71, cover 6 adjustment hole 61 is in the light, continue to extend, so that the head of driver bit contact adjusting screw(rod) 4, and with adjusting screw(rod) 4 engagement; Operator's rotation screw cutter, screwdriver drives adjusting screw(rod) 4 and rotates thereupon, and moving up and down of adjusting screw(rod) 4 can drive 5 motions of focusing plate, and then moved by focusing plate 5 drive bulb assemblies 2, realizes regulating the focus of bulb 21.Thrust by focusing plate 5, spacer sleeve 43 and 3 pairs of springs 42 of adjustment fixing plate, can be so that adjusting screw(rod) 4 and focusing plate 5 be subject to certain position-limiting action, when adjusting screw(rod) 4 moves to a certain degree, can not move up again, can guarantee effectively that bulb 21 can not touch reflector 8, and then guarantee effective effect of light fixture.
The utility model utilizes 3 principles of determining a plane, regulate arbitrary adjusting screw(rod) 4 in three groups of adjusting screw(rod)s 4, can so that be connected to the bulb assembly 2 of focusing on the plate 5 can be up and down before and after the ground motion, realize multi-faceted adjusting, can be so that bulb assembly 2 finds suitable focus in reflector.
Claims (10)
1. a focus control that is used for the focusing of stage lamp bulb comprises the bonnet and the bulb assembly that are arranged on the lamp body shell, it is characterized in that, also comprises focusing plate, three groups of adjusting screw(rod)s, adjustment fixing plate; Described bulb assembly is installed on the focusing plate, and described adjustment fixing plate is installed on the inwall of lamp outer casing; Described adjusting screw(rod) one end is rotatably connected with the focusing plate, and the other end is threaded with adjustment fixing plate; Corresponding every group of adjusting screw(rod) is provided with through hole on the described lamp body shell bonnet.
2. the focus control for the focusing of stage lamp bulb according to claim 1 is characterized in that, is arranged with spacer sleeve on the described adjusting screw(rod).
3. the focus control for stage lamp bulb focusing according to claim 2, it is characterized in that, described spacer sleeve is positioned on the outer wall of focusing plate side and is provided with flange, is arranged with spring at described adjusting screw(rod), one end and the flange of spring are supported, and the other end and adjustment fixing plate are supported.
4. the focus control for the focusing of stage lamp bulb according to claim 1 is characterized in that, is provided with adjustment hole on the described adjustment fixing plate, is provided with the staking nut in adjustment hole, and described adjusting screw(rod) is connected with the staking nut thread.
5. according to the focus control for the focusing of stage lamp bulb according to claim 4, it is characterized in that, the arranged outside that is positioned at adjustment fixing plate at described adjusting screw(rod) has self-locking nut.
6. the focus control for stage lamp bulb focusing according to claim 1, it is characterized in that, also comprise the fixed head that is in the light, the described fixed head that is in the light is arranged between focusing plate and the lamp body shell bonnet, the described fixed head that is in the light is connected with lamp body shell bonnet, corresponding adjusting screw(rod) place is provided with adjustment hole on the described fixed head that is in the light, and the adjustment hole on the fixed head that is in the light is coaxial with the bolt adjustment hole on the focusing plate.
7. the focus control for stage lamp bulb focusing according to claim 6, it is characterized in that, be in the light and be provided with the cover that is in the light between fixed head and the focusing plate, the described cover periphery that is in the light is provided with the flange that is in the light, the described cover that is in the light is connected with the fixed head that is in the light, the described cover that is in the light is provided with adjustment hole, and the adjustment hole of the cover that is in the light is coaxial with the adjustment hole on the focusing plate.
8. the focus control for the focusing of stage lamp bulb according to claim 7 is characterized in that, the described flange that is in the light is provided with at least one screw, and the described cover that is in the light is fixed on the fixed head that is in the light by bolt arrangement.
9. the focus control for the focusing of stage lamp bulb according to claim 1 is characterized in that, the end that described adjusting screw(rod) is positioned at focusing plate side is provided with screw terminal.
10. described arbitrary focus control for the focusing of stage lamp bulb is characterized in that according to claim 1-9, and described focusing plate is triangular in shape, and described three groups of adjusting screw(rod)s are distributed on three angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321266 CN202660472U (en) | 2012-07-05 | 2012-07-05 | Focusing device for bulbs of stage luminaire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321266 CN202660472U (en) | 2012-07-05 | 2012-07-05 | Focusing device for bulbs of stage luminaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660472U true CN202660472U (en) | 2013-01-09 |
Family
ID=47455379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321266 Expired - Lifetime CN202660472U (en) | 2012-07-05 | 2012-07-05 | Focusing device for bulbs of stage luminaire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202660472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206674A (en) * | 2013-04-25 | 2013-07-17 | 陈晓庭 | Stepless light source focal distance regulating mechanism and locomotive headlamp using same |
| CN103363456A (en) * | 2013-07-22 | 2013-10-23 | 广州彩熠灯光有限公司 | Lamp bulb adjusting device for stage lamp |
| CN108180440A (en) * | 2018-02-09 | 2018-06-19 | 安徽江淮汽车集团股份有限公司 | A kind of LED lamp dimming components |
-
2012
- 2012-07-05 CN CN 201220321266 patent/CN202660472U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206674A (en) * | 2013-04-25 | 2013-07-17 | 陈晓庭 | Stepless light source focal distance regulating mechanism and locomotive headlamp using same |
| CN103363456A (en) * | 2013-07-22 | 2013-10-23 | 广州彩熠灯光有限公司 | Lamp bulb adjusting device for stage lamp |
| CN103363456B (en) * | 2013-07-22 | 2015-04-22 | 广州彩熠灯光有限公司 | Lamp bulb adjusting device for stage lamp |
| CN108180440A (en) * | 2018-02-09 | 2018-06-19 | 安徽江淮汽车集团股份有限公司 | A kind of LED lamp dimming components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |