CN102865563A - Rotary limiting device and lamp - Google Patents
Rotary limiting device and lamp Download PDFInfo
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- CN102865563A CN102865563A CN2011101915023A CN201110191502A CN102865563A CN 102865563 A CN102865563 A CN 102865563A CN 2011101915023 A CN2011101915023 A CN 2011101915023A CN 201110191502 A CN201110191502 A CN 201110191502A CN 102865563 A CN102865563 A CN 102865563A
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- rotating
- actuator
- limit device
- driving lever
- rotating cylinder
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Abstract
The invention belongs to the field of mechanical rotation and discloses a rotary limiting device and a lamp. The rotary limiting device comprises a base, a rotating shaft component and a driving piece which is arranged on the base. The driving shaft of the driving piece is connected with the rotating shaft component. The rotating shaft component rotates synchronously with the driving shaft of the driving piece under the drive of the driving piece. The rotary limiting device additionally comprises a rotary drum and a micro switch which are arranged on the base. A limiting poke rod is installed on the rotary drum. A limiting piece is arranged on the rotating shaft component and drives the rotary drum to rotate, so as to drive the limiting poke rod to rotate around the rotary drum. The micro switch is electrically connected with the driving piece. The limiting poke rod can poke the micro switch to turn on and off the micro switch during rotation, so as to control the driving shaft of the driving piece to rotate clockwise or anticlockwise. By adopting the structure, the effect of preventing the rotating shaft component from rotating for more than 360 degrees is effectively taken.
Description
[technical field]
The present invention relates to a kind of rotating limit device and light fixture.
[background technology]
Tumbler in the conventional art generally includes the rotating assembly that base is connected with base.Rotating assembly is provided with miscellaneous part, such as lamp holder, and fan, sparge pipe etc.Runner assembly rotates around rotating assembly by rotarily driving miscellaneous part.
But, because the tumbler in the conventional art does not often possess spacing function, can't limit the angular range that rotating assembly rotates and surpass 360 degree and even ceaselessly rotation so that rotating assembly tends to rotation, thereby cause the problem such as coiling.
[summary of the invention]
Based on this, be necessary to provide a kind of rotating limit devices that self rotate above 360 degree that limit.
A kind of rotating limit device comprises base and rotating assembly; It is characterized in that, also comprise and be arranged at actuator on the described base; The driving shaft of described actuator is connected with described rotating assembly; Described rotating assembly under the drive of described actuator with the driving shaft synchronous rotary of described actuator; Described rotating limit device also comprises rotating cylinder and the microswitch that is arranged on the described base; Spacing driving lever is installed on the described rotating cylinder; Described rotating assembly is provided with locating part, and described locating part drives described rotating cylinder and rotates, and then drives described spacing driving lever around described rotating cylinder rotation; Described microswitch is electrically connected with described actuator; Described spacing driving lever can be stirred described microswitch opening and closing when rotating, thereby the driving shaft of controlling described actuator clockwise or rotate counterclockwise.
Preferably, described base comprises base shell, is arranged at base plate and fixed mount that base also comprises top board, is arranged at base inside, the inner inner chamber that forms of described base, and the center of top board is provided with perforate; Described base plate is arranged in the inner chamber of described base and fits and is fixed on the bottom of described top board.
Preferably, described rotating limit device also comprises the sleeve that is fixed on the described base plate, and described rotating cylinder is sheathed on the described sleeve rotationally.
Preferably, described spacing driving lever is arranged at rotating cylinder near the openend of described base plate, and described spacing driving lever stretches out the outer surface of the sidewall of described rotating cylinder.
Preferably, described traction driving lever is arranged at rotating cylinder away from the openend of described base plate, and described traction driving lever stretches out the outer surface of the sidewall of described rotating cylinder; Described traction driving lever stretches out the part of outer surface of the sidewall of described rotating cylinder and can rotate by the described rotating cylinder of traction under the drive of the described locating part of described rotating assembly.
Preferably, the side of described microswitch and described base plate contact-making surface is provided with shift knob, and described shift knob is triggered opening and closing by described spacing driving lever.
Preferably, described microswitch is provided with two, the shift knob of described two microswitches is relative, and described two microswitches are clipped in described spacing driving lever between described two shift knobs, described spacing driving lever can be pressed respectively described shift knob along with described rotating cylinder clockwise or when being rotated counterclockwise.
Preferably, described actuator is arranged on the described fixed mount, and an end of the driving shaft of described actuator is equipped with spragging gear, and described brake tooth wheel case has same strap, and described Timing Belt drives described rotating assembly and described actuator rotates synchronously.
Preferably, described rotating assembly comprises supporting component, is placed in the rotating shaft that described supporting component stretches out and the fixed disk that is fixedly connected with described top board, embeds bearing, the ring flange that is fixedly connected with described fixed disk that described fixed disk and endoporus be placed in described rotating shaft, is fixedly installed on the gear wheel of the bottom of the rotating shaft that described supporting component stretches out; Described locating part is arranged on the surface of gear wheel; Inner chamber and cover that described base is stretched in the perforate that described gear wheel is offered by described top board center have described Timing Belt, described Timing Belt to drive described gear wheel rotation
In addition, also provide a kind of light fixture that adopts above-mentioned rotating limit device.
A kind of light fixture comprises lamp holder and the rotating limit device that is fixedly connected with described lamp holder, and described rotating limit device comprises base and rotating assembly; It is characterized in that, also comprise and be arranged at actuator on the described base; The driving shaft of described actuator is connected with described rotating assembly; Described rotating assembly under the drive of described actuator with the driving shaft synchronous rotary of described actuator; Described rotating limit device also comprises rotating cylinder and the microswitch that is arranged on the described base; Spacing driving lever is installed on the described rotating cylinder; Described rotating assembly is provided with locating part, and described locating part drives described rotating cylinder and rotates, and then drives described spacing driving lever around described rotating cylinder rotation; Described microswitch is electrically connected with described actuator; Described spacing driving lever can be stirred described microswitch opening and closing when rotating, thereby the driving shaft of controlling described actuator clockwise or rotate counterclockwise; Described lamp holder is installed on the described rotating assembly.
Adopt rotating limit device and the light fixture of said structure, actuator drives the gear wheel rotation, and 360 ° of the every rotations of the locating part on the gear wheel just can be stirred the traction driving lever, rotate thereby drive rotating cylinder, and then force the spacing driving lever that is arranged on the rotating cylinder along with rotating cylinder rotates.Spacing driving lever rotates the microswitch opening and closing that can trigger control electric light rotation direction, thereby has realized that restriction rotating limit device and light fixture rotate the function that surpasses 360 degree.
[description of drawings]
Fig. 1 is the appearance assumption diagram of light fixture;
Fig. 2 is the explosive view of the rotating limit device of light fixture shown in Figure 1;
Fig. 3 is the partial enlarged drawing of the explosive view of rotating limit device shown in Figure 2;
Fig. 4 is the profile of rotating limit device shown in Figure 1;
Fig. 5 is the partial enlarged drawing of A part among Fig. 4;
Fig. 6 is the structure chart of the base plate of rotating limit device shown in Figure 1;
Fig. 7 is the structure chart of the rotating cylinder of rotating limit device shown in Figure 1;
Fig. 8 is the structure chart of the spacing driving lever of rotating limit device shown in Figure 1;
Fig. 9 is the structure chart of the traction driving lever of rotating limit device shown in Figure 1;
Figure 10 is the structure chart of the microswitch of rotating limit device shown in Figure 1;
Figure 11 is the structure chart of the gear wheel of rotating limit device shown in Figure 1.
[specific embodiment]
In the present embodiment, please also refer to Fig. 2 and Fig. 3, rotating limit device 10 comprises base 100 and all is arranged at actuator 200, rotating cylinder 300, microswitch 400 and rotating assembly 500 on the base 100.The driving shaft of actuator 200 is connected with rotating assembly 500; Rotating assembly 500 can be under the drive of actuator 200 and the driving shaft synchronous rotary of actuator 200.
Please also refer to Fig. 2 and Fig. 3, base 100 is preferably the cylindrical structural with openend, and base 100 also comprises the top board 120 that is covered on base 100 openends and is arranged at base plate 140 and the fixed mount 160 of base 100 inside.Base 100 plays the bracing frame of rotation stopping means 10 and other each parts of connection of rotating stopping means 10.The center of top board 120 is provided with perforate 124, is preferably circle, gets around the rotating assembly installing hole 122 that is provided with in 124 1 weeks of hole for rotating assembly 500 is installed, and is preferably 8, and equidistantly arranges.Top board 120 and base 100 form inner chamber.The circumferential edges of top board 120 and base 100 are fixedly connected with by screw.
Please also refer to Fig. 3 and Fig. 6, base plate 140 is slab structure, is preferably rectangle, fits to be fixed in the bottom of top board 120.Also be provided with on the base plate 140 for the screwed hole 142 that microswitch 400 is installed with for the rotating cylinder installing hole 144 that rotating cylinder 300 is installed.Preferably, screwed hole 142 has 4, minute two groups of both sides that are symmetricly set in rotating cylinder installing hole 144.Fixed mount 160 is preferably platy structure, and the bottom surface of vertical base 100 is arranged in the inner chamber of base 100, and fixed mount 160 is used for fixed drive part 200.
As shown in Figure 3, actuator 200 is arranged on the fixed mount 160 by actuator mounting screw 220.In the present embodiment, preferred, actuator 200 has driving shaft, and the driving shaft of actuator 200 is perpendicular to top board 120 planes, and an end of the close top board 120 of driving shaft is arranged with spragging gear 240.Spragging gear 240 is used for driving rotating assembly 500 and rotates.Actuator 200 can be rotation cylinder, rotary electric machine etc., and specifically in the present embodiment, actuator is rotary electric machine.
As shown in Figure 7, rotating cylinder 300 is cylinder-like structure, and both ends open comprises inner chamber 302 and sidewall.The sidewall of the inner chamber 302 close base plates 140 of rotating cylinder 300 tightens up and is sleeve chamber 304.Be provided with sleeve 310 in the sleeve chamber 304 of rotating cylinder 300.Sleeve 310 is cylinder-like structure, and height is greater than the degree of depth in sleeve chamber 304.Rotating cylinder mounting screw 320 passes the endoporus of sleeve 310, the rotating cylinder installing hole 144 on the base plate 140 and the installing hole on the top board 120, and sleeve 310 is fixed on the base plate 140, and also base plate 140 being fitted simultaneously is fixed on the top board 120.Rotating cylinder 300 is sheathed on the sleeve 310 rotationally.The diameter of the nut 322 of rotating cylinder mounting screw 320 is greater than the internal diameter in sleeve chamber 304, and rotating cylinder mounting screw 320 is held rotating cylinder 300 by nut 322, so that rotating cylinder 300 can rotate take sleeve 310 as axle.
Microswitch 400 is the box-shaped structure as shown in figure 10.Microswitch 400 is provided with the microswitch installing hole 410 that runs through microswitch 400 with the diagonal angle of the contact-making surface of base plate 140, and microswitch 400 is installed on the base plate 140 by the screwed hole 142 that microswitch mounting screw 420 runs through on microswitch installing hole 410 and the base plate 140.Microswitch 400 is provided with shift knob 430 with the side of the contact-making surface of base plate 140.In the present embodiment, microswitch 400 is provided with two, be arranged on the base plate 140, and shift knob 430 is relative, and spacing driving lever 330 is clipped between the two.
Rotating assembly 500 comprises supporting component 510, fixed disk 520, bearing 530, supporting component hold-down nut 540, ring flange 550, fixed disk mounting screw 560, gear wheel 570 as shown in Figure 2.
Supporting component 510 comprises for the base for supporting 514 of the support arm 512 of supporting, dome-shaped and is arranged at the rotating shaft 518 that base for supporting 514 peristomes are used for driving the lamp holder rotation.Support arm 512 preferably has two, consists of a U-shaped support with base for supporting 514, can clamping be installed by miscellaneous part by the opening of U-shaped, such as lamp holder, and fan, sparge pipe etc.The opening that the caping of the dome of base for supporting 514 passes base for supporting 514 extends rotating shaft 518, and rotating shaft 518 is cylindrical structural, and the top of extending rotating shaft 518 has gear wheel fixing hole 5182, is used for fixedly gear wheel 550.
Fixed disk 520 as shown in Figure 2, be preferably disc-shaped structure, the centre is provided with circular perforate, comprise the inner circumference portion 522 of annular and the outer circumference portion 524 of annular, outer circumference portion 524 is centered around the periphery of inner circumference portion 522, and inner circumference portion 522 and the outer circumference portion 524 concyclic hearts, both are integrated in employing.Inner circumference portion 522 is larger than outer circumference portion 524 thickness, and the connecting portion of inner circumference portion 522 and outer circumference portion 524 has ladder.Inner circumference portion 522 is provided with flange mounting hole 526 and is used for rigid bearing 530, is preferably 8, and a week is arranged in the perforate of offering in the middle of fixed disk 520 equally spacedly.Outer circumference portion 524 is provided with fixed disk installing hole 528, is preferably 8, and a week and corresponding one by one with rotating assembly installing hole 122 on the top board 120 is arranged in the perforates of offering in the middle of fixed disk 520 equally spacedly.
Fixed disk mounting screw 560 passes the fixed disk installing hole 528 that the rotating assembly installing hole 122 on the top board 120 passes on the fixed disk 520 fixed disk 520 is fixed on the top board 120.
The surface of gear wheel 570 also is provided with spacing screw 578, is used for locating part 5710 is set, and is preferably stop screw, also can be that other are fixed on the bossed parts of tool on the spacing screw 578, such as screw rod, and double-screw bolt etc.Can give prominence to gear wheel 570 surface parts after locating part 5710 installs, play the effect of locating part.
In the above-described embodiments, the spacing process of rotating limit device 10 is as follows, and actuator 200 rotates, and drives spragging gear and rotates 240, and spragging gear 240 rotates take rotating shaft 518 as axle by the gear wheel 570 that Timing Belt 576 drives on the rotating assembly 500 again.Gear wheel 570 is stirred traction driving lever 340 by locating part 5710 after rotating certain angle that is less than or equal to 360 degree straight-bar section 342, the straight-bar section 342 of traction driving lever 340 drives rotating cylinder 300 again and rotates take sleeve 310 as axle, and then drive spacing driving lever 330 and vacillate now to the left, now to the right, thereby press the microswitch 400 on both sides; Wherein, in two microswitches 400, the rotating shaft of a control actuator 200 turns clockwise, and a control actuator 200 is rotated counterclockwise; The shift knob 420 limited driving levers of microswitch 400 are pressed, and trigger rotating assembly 500 reverse rotations, rotate a week thereby limited rotating assembly 500, thereby can not cause coiling.
In addition, in another embodiment, as shown in Figure 1, a kind of light fixture comprises the rotating limit device 10 in lamp holder 30 and the previous embodiment.Lamp holder 30 is installed on the support arm 512 of rotating assembly 500 of rotating limit device 10, supported arm 512 clampings, and the position of clamping is bolted.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a rotating limit device comprises base and rotating assembly; It is characterized in that, described rotating limit device also comprises the actuator that is arranged on the described base; The driving shaft of described actuator is connected with described rotating assembly; Described rotating assembly under the drive of described actuator with the driving shaft synchronous rotary of described actuator; Described rotating limit device also comprises rotating cylinder and the microswitch that is arranged on the described base; Spacing driving lever is installed on the described rotating cylinder; Described rotating assembly is provided with locating part, and described locating part drives described rotating cylinder and rotates, and then drives described spacing driving lever around described rotating cylinder rotation; Described microswitch is electrically connected with described actuator; Described spacing driving lever can be stirred described microswitch opening and closing when rotating, thereby the driving shaft of controlling described actuator clockwise or rotate counterclockwise.
2. rotating limit device according to claim 1 is characterized in that, described base also comprises top board, is arranged at base plate and the fixed mount of base inside, the inner inner chamber that forms of described base, and the center of top board is provided with perforate; Described base plate is arranged in the inner chamber of described base and fits and is fixed on the bottom of described top board.
3. rotating limit device according to claim 2 is characterized in that, described rotating limit device also comprises the sleeve that is fixed on the described base plate, and described rotating cylinder is sheathed on the described sleeve rotationally.
4. rotating limit device according to claim 2 is characterized in that, described spacing driving lever is arranged at rotating cylinder near the openend of described base plate, and described spacing driving lever stretches out the outer surface of the sidewall of described rotating cylinder.
5. rotating limit device according to claim 2 is characterized in that, described traction driving lever is arranged at rotating cylinder away from the openend of described base plate, and described traction driving lever stretches out the outer surface of the sidewall of described rotating cylinder; Described traction driving lever stretches out the part of outer surface of the sidewall of described rotating cylinder and can rotate by the described rotating cylinder of traction under the drive of the described locating part of described rotating assembly.
6. rotating limit device according to claim 2 is characterized in that, the side of described microswitch and described base plate contact-making surface is provided with shift knob, and described shift knob is triggered opening and closing by described spacing driving lever.
7. rotating limit device according to claim 6, it is characterized in that, described microswitch is provided with two, the shift knob of described two microswitches is relative, and described two microswitches are clipped in described spacing driving lever between described two shift knobs, described spacing driving lever can be pressed respectively described shift knob along with described rotating cylinder clockwise or when being rotated counterclockwise.
8. rotating limit device according to claim 2, it is characterized in that, described actuator is arranged on the described fixed mount, one end of the driving shaft of described actuator is equipped with spragging gear, described brake tooth wheel case has same strap, and described Timing Belt drives described rotating assembly and described actuator rotates synchronously.
9. rotating limit device according to claim 8, it is characterized in that, described rotating assembly comprises supporting component, be placed in rotating shaft and the fixed disk that is fixedly connected with described top board that described supporting component stretches out, embed bearing, the ring flange that is fixedly connected with described fixed disk that described fixed disk and endoporus be placed in described rotating shaft, be fixedly installed on the gear wheel of the bottom of the rotating shaft that described supporting component stretches out; Described locating part is arranged on the surface of gear wheel; Inner chamber and cover that described base is stretched in the perforate that described gear wheel is offered by described top board center have described Timing Belt, described Timing Belt to drive described gear wheel rotation.
10. a light fixture comprises lamp holder and the rotating limit device that is fixedly connected with described lamp holder, and described rotating limit device comprises base and rotating assembly; It is characterized in that, described rotating limit device also comprises the actuator that is arranged on the described base; The driving shaft of described actuator is connected with described rotating assembly; Described rotating assembly under the drive of described actuator with the driving shaft synchronous rotary of described actuator; Described rotating limit device also comprises rotating cylinder and the microswitch that is arranged on the described base; Spacing driving lever is installed on the described rotating cylinder; Described rotating assembly is provided with locating part, and described locating part drives described rotating cylinder and rotates, and then drives described spacing driving lever around described rotating cylinder rotation; Described microswitch is electrically connected with described actuator; Described spacing driving lever can be stirred described microswitch opening and closing when rotating, thereby the driving shaft of controlling described actuator clockwise or rotate counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191502.3A CN102865563B (en) | 2011-07-08 | 2011-07-08 | Rotary limiting device and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191502.3A CN102865563B (en) | 2011-07-08 | 2011-07-08 | Rotary limiting device and lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102865563A true CN102865563A (en) | 2013-01-09 |
| CN102865563B CN102865563B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110191502.3A Active CN102865563B (en) | 2011-07-08 | 2011-07-08 | Rotary limiting device and lamp |
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| CN (1) | CN102865563B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093978A (en) * | 2011-11-03 | 2013-05-08 | 海洋王（东莞）照明科技有限公司 | Rotating control device and lamp |
| CN104566235A (en) * | 2013-10-25 | 2015-04-29 | 深圳市海洋王照明工程有限公司 | Head-swinging mechanism and lamp using head-swinging mechanism |
| CN104654236A (en) * | 2013-11-20 | 2015-05-27 | 海洋王（东莞）照明科技有限公司 | Lamp supporting turntable and rotatable lighting lamp |
| CN104676527A (en) * | 2013-11-26 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Rotary handle and lamp using rotary handle |
| CN112710195A (en) * | 2020-12-29 | 2021-04-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Bidirectional limiting device for realizing omnibearing scanning of laser emission rotary table |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659889A (en) * | 1986-03-17 | 1987-04-21 | Chrysler Motors Corporation | Vehicle reading/courtesy lamp |
| CN2653286Y (en) * | 2003-09-02 | 2004-11-03 | 煜发有限公司 | Remote control combined signal lamp and spotlight |
| CN1873311A (en) * | 2006-05-18 | 2006-12-06 | 上海理工大学附属二厂 | Swing mechanism for lighting fixtures |
-
2011
- 2011-07-08 CN CN201110191502.3A patent/CN102865563B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659889A (en) * | 1986-03-17 | 1987-04-21 | Chrysler Motors Corporation | Vehicle reading/courtesy lamp |
| CN2653286Y (en) * | 2003-09-02 | 2004-11-03 | 煜发有限公司 | Remote control combined signal lamp and spotlight |
| CN1873311A (en) * | 2006-05-18 | 2006-12-06 | 上海理工大学附属二厂 | Swing mechanism for lighting fixtures |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093978A (en) * | 2011-11-03 | 2013-05-08 | 海洋王（东莞）照明科技有限公司 | Rotating control device and lamp |
| CN103093978B (en) * | 2011-11-03 | 2015-07-08 | 海洋王（东莞）照明科技有限公司 | Rotating control device and lamp |
| CN104566235A (en) * | 2013-10-25 | 2015-04-29 | 深圳市海洋王照明工程有限公司 | Head-swinging mechanism and lamp using head-swinging mechanism |
| CN104654236A (en) * | 2013-11-20 | 2015-05-27 | 海洋王（东莞）照明科技有限公司 | Lamp supporting turntable and rotatable lighting lamp |
| CN104676527A (en) * | 2013-11-26 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Rotary handle and lamp using rotary handle |
| CN104676527B (en) * | 2013-11-26 | 2019-04-16 | 深圳市海洋王照明工程有限公司 | Swing handle and the lamps and lanterns for using the swing handle |
| CN112710195A (en) * | 2020-12-29 | 2021-04-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Bidirectional limiting device for realizing omnibearing scanning of laser emission rotary table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102865563B (en) | 2015-01-07 |
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