CN203375280U - Shadowless lamp - Google Patents

Shadowless lamp Download PDF

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Publication number
CN203375280U
CN203375280U CN201320461478.5U CN201320461478U CN203375280U CN 203375280 U CN203375280 U CN 203375280U CN 201320461478 U CN201320461478 U CN 201320461478U CN 203375280 U CN203375280 U CN 203375280U
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CN
China
Prior art keywords
light source
limiting
lens mount
shadowless lamp
threaded
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CN201320461478.5U
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Chinese (zh)
Inventor
薛石平
奚水福
朱寿喜
计俊珺
柯麒
陈韵景
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上海医疗器械股份有限公司
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Priority to CN201320461478.5U priority Critical patent/CN203375280U/en
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Publication of CN203375280U publication Critical patent/CN203375280U/en

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Abstract

The utility model discloses a shadowless lamp. The shadowless lamp comprises a light source frame, a plurality of light source assemblies fixed to the light source frame, a lens frame, a plurality of lens assemblies fixed to the lens frame, and a lifting mechanism, wherein the lens frame is arranged below the light source frame, the lens assemblies correspond to the light source assemblies one to one, each lens assembly and the corresponding light source assembly are arranged in an eccentric mode, the lifting mechanism is connected with the lens frame and the light source frame, and the lifting mechanism is used for enabling the relative displacement in the perpendicular direction to be produced between the lens frame and the light source frame. Through the application of the shadowless lamp, the operation amplitude of adjustment of the size of a light spot of the shadowless lamp is reduced, the adjustment is simplified, and the size of the light spot can be accurately controlled.

Description

Shadowless lamp

Technical field

The utility model relates to a kind of shadowless lamp.

Background technology

The regulative mode of most domestic shadowless lamp is all the dimming mode that adopts traditional cellular type lamp now.Light source is divided into several groups, and every group has several to tens LED light sources that do not wait.Every group of light source is uniformly distributed around center, and each light source has fixing lens.Such as the shadowless lamp state of Fig. 1, before light modulation, hot spot circle as shown in Figure 2.During light modulation, use handle to make the LED assembly rotate around hinge, form as the shadowless lamp state in Fig. 3, or by adjusting on the whole the height of lamp bracket, these two kinds of modes all easily make hot spot become petal as in Fig. 4, greatly reduce the uniformity of hot spot.And the shadowless lamp that application publication number is CN102116436A, this shadowless lamp light source and lens are separately positioned on liner plate and support, and liner plate and support are fixed together again, and the refraction by light pools hot spot.While needing to amplify hot spot, can reduce lamp bracket, while dwindling, the rising lamp bracket just can.The hot spot of this shadowless lamp is circular all the time.But the operation amplitude that the adjustment lamp bracket carries out is very large, adjust trouble, for the personnel that just carry out tense working (as the doctor in operation), usually need others (as the nurse) to be assisted, and the bad grasp of the amplitude of accommodation, can not meet the clinician to the efficient fast instructions for use of medicine equipment operation.

The utility model content

The technical problems to be solved in the utility model is large in order to overcome prior art shadowless lamp hot spot size adjusting operation amplitude, adjusts trouble, needs others to assist, and the defect of the bad accurate grasp of spot size, and a kind of shadowless lamp is provided.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of shadowless lamp, its characteristics are, described shadowless lamp comprises a light source shelf, some light source assemblies that are fixed on described light source shelf, one lens mount, some lens subassemblies that are fixed on described lens mount, an and elevating mechanism, wherein, described lens mount is arranged at the below of described light source shelf, and each described lens subassembly is corresponding one by one with each described light source assembly, each described lens subassembly is the light source assembly eccentric setting corresponding with it all, described elevating mechanism is connected with described light source shelf with described lens mount respectively, and described elevating mechanism is for making described lens mount and described light source shelf produce the relative displacement of vertical direction.In traditional scheme, the distance of lens subassembly and light source assembly is all immovable, is all to regulate spot size by other method.In this programme, because lens subassembly and corresponding light source assembly are eccentric settings, so the light of light source assembly passes on lens subassembly, be the angle that an incident is arranged.Pass through to change the distance between light source assembly and lens subassembly in this programme, can effectively change the angle of light incident, so also just affect the angle that light irradiates after the lens subassembly refraction, thereby made the spot size, illumination, the illumination depth that finally converge that change occur.Like this, only need to regulate elevating mechanism during operation and just can realize illumination control, not need to adjust on the whole lamp bracket, operation is convenient, and regulates accurately.In the utility model, the lamp bracket of shadowless lamp refers to can the fixed light source frame or the shadowless lamp parts of lens mount, usually can carry out to the lamp bracket of shadowless lamp the adjusting of height and angle.In clinical, hot spot makes the doctor be difficult for visual fatigue uniformly, can reduce the dark space in illumination, improves lighting quality, distinguishes normal structure and focus, reduces malpractice, and particularly large spot can reduce to minimum by the adjusting to lamp bracket in operation uniformly.Preferably, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described lens mount, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, a neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is threaded with described light source shelf.After rotating screw thread member, because light source shelf is fixed, screw thread member just produces upper and lower movement by described limiting section with lens mount.And the rotation of neck can not pass to lens mount.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Preferably, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described light source shelf, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, a neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is threaded with described lens mount.After rotating screw thread member, because lens mount is fixed, screw thread member just produces upper and lower movement by described limiting section with light source shelf.And the rotation of neck can not pass to light source shelf.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Preferably, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a sliding tray and a banking pin on described light source shelf, described elevating mechanism comprises a sliding bar, described sliding bar one end is slidedly arranged in described sliding tray, the other end of described sliding bar is fixedly connected with described lens mount, and described banking pin is for being pressed on described sliding bar the inwall of described sliding tray.After unclamping banking pin, can, so that sliding bar slides, thereby make lens mount produce, move up and down.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Preferably, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a sliding tray and a banking pin on described lens mount, described elevating mechanism comprises a sliding bar, described sliding bar one end is slidedly arranged in described sliding tray, the other end of described sliding bar is fixedly connected with described light source shelf, and described banking pin is for being pressed on described sliding bar the inwall of described sliding tray.After unclamping banking pin, can, so that sliding bar slides, thereby make light source shelf produce, move up and down.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Preferably, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described light source shelf, be provided with a rotating hole and a banking pin on described lens mount, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, one neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is arranged in described rotating hole, described banking pin is fixed on described lens mount, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described lens mount rotation.Due to the effect of limiting section, described screw thread member can only rotate, and can not produce and move axially.Described banking pin is embedded in the thread groove of described threaded portion, and the limited device of described lens mount limited rotation, so banking pin, along with the rotation of thread groove lines, can not rotate, only can produce upper and lower movement, thereby realize moving up and down of lens mount.The adjusting of this scheme is very accurate, can realize the amplification that hot spot is stable and dwindle.

Preferably, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described lens mount, be provided with a rotating hole and a banking pin on described light source shelf, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, one neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is arranged in described rotating hole, described banking pin is fixed on described light source shelf, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described light source shelf rotation.Described banking pin is embedded in the thread groove of described threaded portion, and the limited device of described light source shelf limited rotation, so banking pin, along with the rotation of thread groove lines, can not rotate, only can produce upper and lower movement, thereby realize moving up and down of light source shelf.The adjusting of this scheme is very accurate, can realize the amplification that hot spot is stable and dwindle.

Preferably, the lower end of described screw thread member is piercing in described lens mount lower surface, and described elevating mechanism also comprises the one handle core body, and described handle core body is fixedly connected on the lower end of described screw thread member.After the handle core body has been arranged, only need the rotary handle core body just can complete adjusting, further improved the convenience of operation.

Preferably, described light source shelf is fixed on the lamp bracket of described shadowless lamp, described elevating mechanism is a regulating handle, described regulating handle comprises a lens mount adapter sleeve be connected with described lens mount, one fixed connecting plate for fixing described regulating handle, one is fixed on the pedestal on described fixed connecting plate, one screw thread member, one handle core body and a banking pin, wherein, described screw thread member comprises a threaded portion, one neck, and the connecting portion be connected with described handle core body, described neck is articulated in a limiting through hole be arranged on described pedestal, described handle core body and described threaded portion are located in the two ends of described limiting through hole, described threaded portion is housed inside in a rotating hole be arranged on described lens mount adapter sleeve, described banking pin is fixed on described lens mount adapter sleeve, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described lens mount rotation.Described fixed connecting plate can be connected with fixing described light source shelf, also can connect by the static parts of light source shelf relative to other.The compact conformation of regulating handle one, has facilitated simultaneously and installed and change, and adjusting is very accurate, can realize the amplification that hot spot is stable and dwindle.

Preferably, described shadowless lamp comprises that one wears connector, and the described connector that wears is arranged in described lens mount, and the described two ends that wear connector are fixedly connected with described fixed connecting plate with described light source shelf respectively.Fix described fixed connecting plate by this device is simple and effective, and can play the guide effect to lens mount.

Preferably, described stopping means comprises the stopper slot be arranged on described pedestal, described banking pin comprises a First and one second one, described First is fixed on described lens mount adapter sleeve, and be embedded in the thread groove of described threaded portion, described second one vertically is slidedly arranged in described stopper slot.Limit the rotation of banking pin by stopper slot, thereby limited the rotation of lens mount.

Preferably, the external sterilization housing that also is removably connected with of described handle core.Performing an operation etc. while needing aseptic situation, the sterilization housing can, first through sterilization, then install on the handle core body.This programme has facilitated sterilization, and interchangeable structure also to be beneficial to the integral body of shadowless lamp clean.

Preferably, described sterilization housing comprises a groove, described regulating handle also comprises that a bearing pin, one handle are buckled and a spring element, wherein, described bearing pin is connected on described handle core body, described handle is buckled and is rotatably connected on described bearing pin, described handle is buckled and is comprised a buckling parts, described buckling parts fastens by described spring element and described groove, described handle is buckled and is also comprised that one buckles and makes described buckling parts break away from the release portion of described groove for rotating described handle, and described release portion is piercing in described sterilization housing.In this programme, when the sterilization housing is installed, only need to put, buckling parts becomes automatic buckling under the effect of spring element, completes installation.And when dismounting only need to be pinned handle to buckle, just complete and shirk, greatly facilitate the replacing of sterilization housing.

Preferably, be provided with a circlip between described handle core body and described pedestal.Circlip can prevent the axial motion of screw thread member.

Preferably, described shadowless lamp also comprises darkening ring and the lampshade for blocking gap.Can cause interference because the light in joint gap spills, can reduce light by darkening ring and lampshade and spill.

In the utility model, but above-mentioned optimum condition any combination on the basis that meets this area general knowledge obtains each preferred embodiment of the present utility model.

Positive progressive effect of the present utility model is: the stepless variable by the creationary utilization lens of the utility model and LED light source vertical range is regulated, realize the rapid, easy of shadowless lamp hot spot size adjusting operation, overcome the loaded down with trivial details of the long-standing shadowless lamp associative operation of prior art.Simultaneously, the utility model can also fast, accurately be adjusted light spot illumination and illumination depth simultaneously, and hot spot is even, and the doctor is difficult for visual fatigue.The utility model fully meets the different requirements of clinical various treatment operation to the shadowless lamp illumination, met needs race against time rescue patient's life operative doctor to the efficient fast instructions for use of medicine equipment operation, contribute to reduce the generation of malpractice.

The accompanying drawing explanation

Fig. 1 is the structural representation before the prior art shadowless lamp is regulated.

Fig. 2 is the light spot shape schematic diagram before the prior art shadowless lamp is regulated.

Fig. 3 is the structural representation after the prior art shadowless lamp is regulated.

Fig. 4 is the light spot shape schematic diagram after the prior art shadowless lamp is regulated.

The shadowless lamp top structure schematic diagram that Fig. 5 is embodiment 1.

The shadowless lamp polycrystalline substance schematic diagram that Fig. 6 is embodiment 1.

The lens subassembly eccentric position schematic diagram that Fig. 7 is embodiment 1.

The regulating handle sectional structure schematic diagram that Fig. 8 is embodiment 1.

The regulating handle schematic perspective view that Fig. 9 is embodiment 1.

The shadowless lamp sectional structure schematic diagram that Figure 10 is embodiment 1.

The shadowless lamp structural representation that Figure 11 is embodiment 2.

The shadowless lamp structural representation that Figure 12 is embodiment 3.

The shadowless lamp structural representation that Figure 13 is embodiment 4.

The shadowless lamp structural representation that Figure 14 is embodiment 5.

The shadowless lamp structural representation that Figure 15 is embodiment 6.

The shadowless lamp structural representation that Figure 16 is embodiment 7.

The specific embodiment

Below enumerate preferred embodiment, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.

Embodiment 1

As shown in Fig. 5-10, the shadowless lamp of the present embodiment comprises that light source shelf 1, light source assembly 11, lens mount 2, lens subassembly 21, regulating handle 3, sterilization housing 4, handle buckle 5, elasticity part 61, bearing pin 62, darkening ring 71, lampshade 72, wear connector 8 and lining bar 9.

Wherein, regulating handle 3 comprises that a lens mount adapter sleeve be connected with lens mount 2 32, a fixed connecting plate for secured adjusted handle 3 33, are fixed on pedestal 35, a screw thread member, one handle core body 34 and the banking pin 351 on fixed connecting plate 33 by securing member 63.

Described screw thread member comprises a threaded portion 311, a neck 312, and the connecting portion 313 be connected with handle core body 34 by securing member 64, neck 312 is articulated in a limiting through hole be arranged on pedestal 35, handle core body 34 and threaded portion 311 are located in the two ends of limiting through hole, threaded portion 311 is housed inside in a rotating hole 321 be arranged on lens mount adapter sleeve 32

As shown in figure 10, the shadowless lamp of the present embodiment comprises that one wears connector 8, wears connector 8 and is arranged in lens mount 2, and lens mount 2 can slide along wearing connector 8.The upper end and the light source shelf 1 that wear connector 8 are fixed by screw element.The lower end that wears connector 8 comprises a clamping ring 81, and clamping ring 81 is circulus, and it is fixedly connected with (Figure 10 is the sectional structure schematic diagram, so the left-right asymmetry of figure) with fixed connecting plate 33.Wear connector 8 and effectively fixed fixed connecting plate 33, and can play the guide effect to lens mount 2.

As shown in Figure 8, be provided with the stopper slot 352 of a strip on pedestal 35, the rod member section of banking pin 351 is fixed on lens mount adapter sleeve 32, and is embedded in the thread groove of threaded portion 311, and the nail head of banking pin 351 vertically is slidedly arranged in stopper slot 352.Limit the rotation of banking pin 351 by stopper slot 352, thereby limited the rotation of lens mount 2.

During use, turning handle core body 34, rotate thereby drive described screw thread member.Because handle core body 34 and threaded portion 311 are located in the two ends of limiting through hole, so screw thread member can only rotate, can not move up and down.Along with the rotation of threaded portion 311, banking pin 351 also can be driven, but, due to the existence of stopper slot 352, makes 351 of banking pins to move in the vertical direction, thereby lens mount 2 is vertically moved.

As shown in Figure 8, the outer sterilization housing 4 that also is removably connected with of handle core body 34.Sterilization housing 4 comprises a groove 41.Bearing pin 62 is connected on handle core body 34, and handle is buckled 5 and is rotatably connected on bearing pin 62.Handle is buckled 5 and is comprised a buckling parts 52, and buckling parts 52 is by fastening with groove 41 under the effect of spring element 61 elastic force.Handle is buckled 5 and is also comprised that one buckles 5 and make buckling parts 51 break away from the release portion 52 of grooves 41 for turning handle, and release portion 52 is piercing in sterilization housing 4.Performing an operation etc. while needing aseptic situation, sterilization housing 4 can, first through sterilization, then install on handle core body 34.Facilitated sterilization, and interchangeable structure also to be beneficial to the integral body of shadowless lamp clean.

In the present embodiment, when sterilization housing 4 is installed, only need to put, buckling parts 51 just automatic buckling groove 41 under the effect of spring element 61, complete installation.And when dismounting, only need to pin handle buckles 52, makes it rotate in opposite direction, and buckling parts 51 has just broken away from groove 41, so sterilization housing 4 breaks away from handle core bodys 34, thereby complete, shirks, and greatly facilitates the replacing of sterilization housing 4.

Be provided with a circlip 36 between handle core body 34 and pedestal 35.Circlip 36 can prevent the axial motion of screw thread member.

As shown in Figure 7, the lens subassembly 21 of the present embodiment and light source assembly 11 are one to one.But corresponding lens subassembly 21 and light source assembly 11 are eccentric settings.Be specially the eccentric distance of outer ring more greatly, and the eccentric distance of inner ring is a little bit smaller.In this programme, because lens subassembly 21 and corresponding light source assembly 11 are eccentric settings, so the light of light source assembly 21 passes on lens subassembly 11, be the angle by an incident.Pass through to change the distance between light source assembly 21 and lens subassembly 11 in this programme, can effectively change the angle of light incident, so also just affect the angle that light irradiates after lens subassembly 21 refractions, thereby made the spot size finally converged that change occur.Only need to regulate regulating handle 3 while operating like this and just can realize spot size, not need to adjust on the whole lamp bracket, operation is convenient, and regulates accurately.Concrete those skilled in the art just can be adjusted eccentric distance by conventional means, pool hot spot after making light deflection, therefore do not repeat one by one at this.

As shown in Figure 5, the upper end of light source shelf 1 can be connected with the lamp bracket (not shown) of shadowless lamp, by the adjustment of lamp bracket, can adjust the height of shadowless lamp integral body.Lamp bracket can be the structure of arm or support, can play the effect of fixed light source frame 1, also can play the adjustment of height and angle.

As shown in Figure 6, shadowless lamp now below does not arrange darkening ring 71 and lampshade 72, has light in joint gap and spills and can cause interference, as shown in figure 10, loads onto darkening ring 71 and lampshade 72 can cover gap, reduces light and spills.

When the regulating handle of the present embodiment is installed as shown in figure 10, can be outside a long screw element a sheathed lining bar 9, then from the hole that is arranged at fixed connecting plate 33, stretch into, then light source shelf 2 and lens mount adapter sleeve 32 are linked together.

The compact conformation of the present embodiment handle one, has facilitated simultaneously and installed and change, and adjusting is very accurate, can realize the amplification that hot spot is stable and dwindle, and maintains the round-shaped of hot spot.In clinical, hot spot makes the doctor be difficult for visual fatigue uniformly, can reduce the dark space in illumination, improves lighting quality, distinguishes normal structure and focus, reduces malpractice, and particularly large spot can reduce to minimum by the adjusting to lamp bracket in operation uniformly.

The present embodiment is making lens mount 2 and light source shelf 1 produce relative displacement, thereby, when changing object distance, other parameters also can correspondingly change, and concrete data as shown in Table 1.

Table one

? Object distance (mm) Illumination (klx) Spot diameter (mm) Illumination depth (mm) 1 31.40 60.17 140.5 430+690=1120 2 29.65 55.23 160.5 480+670=1150 3 27.90 48.12 191.5 540+730=1270 4 26.15 33.10 249.5 620+760=1380

In table one, object distance is that the distance by measuring between lens mount 2 and light source shelf 1 obtains;

Illumination refers to the illumination of the bright spot recorded on test surfaces, and this test surfaces is positioned at apart from light source shelf 1 1m place, below, and illumination photometer is placed on this test surfaces, and the brightness value that records bright spot is the illumination in table one;

The spot diameter of spot diameter for recording during the 1m place below this test surfaces is positioned at apart from light source shelf 1, its method of testing is first to determine that the bright spot brightness value A(of this test surfaces is such as the 60.17klx in first group of data), on this test surfaces, level is along 8 direction (east, south, west, north, the southeast, northeast, northwest, southwest) mobile illumination photometer respectively, until brightness value eases down to A10%(with first group of data instance, while being exactly 6.017klx, stop), obtain 8 location points, calculate corresponding two positions point (northern location point and southern location point; Western location point and eastern location point; Northwestern point and southeast location point; Southwest location point and northeast location point; ) distance, record 4 diameter values,, obtain spot diameter on average once;

The method of testing of illumination depth be first determine this test surfaces apart from the brightness value A(at light source shelf 1 1m place, below such as the 60.17klx in first group of data), test surfaces moves up, until bright spot brightness value is that the A20% place is (with first group of data instance, while being exactly 12.034klx, stop), measuring distance, obtain illumination depth, move down test surfaces from distance light source shelf 1 below 1m again, arrive the A20% place (with first group of data instance, while being exactly 12.034klx, stop), measuring distance, obtain lower illumination depth, upper illumination depth+lower illumination depth=illumination depth is (with first group of data instance, going up exactly illumination depth is 430mm, lower illumination depth is 690mm, illumination depth is 1120mm).

As can be seen from Table I, when object distance reduces, spot diameter can become greatly, and light spot illumination can weaken.So, in the utilization process, when needs increase spot diameter, reduce object distance; When needs reduce spot diameter, the increment distance.When brightness need to increase, the increment distance, when brightness need to reduce, reduce object distance.

And the shadowless lamp of this programme has also produced impact to illumination depth in the object distance adjustment process.When object distance reduces, illumination depth is corresponding increase also.This shadowless lamp that is light source shelf and lens mount are fixed together can't be realized.Although existing the type shadowless lamp can be realized the size variation of hot spot by adjusting lamp bracket, its illumination depth is fixed, and can not be regulated.In operation, suitable illumination depth has material impact to illuminating effect equally, and this programme can be by the adjusting of illumination depth, to reach satisfied illuminating effect.

Embodiment 2

As shown in figure 11, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The present embodiment lens mount 2 is fixed on the lamp bracket of shadowless lamp, and is provided with a limiting through hole 11 on light source shelf 1, and described elevating mechanism comprises a screw thread member 3.

Screw thread member 3 comprises a threaded portion 34, a neck 31, and the limiting section 32 and the limiting section 33 that for limiting described screw thread member, move up and down, wherein, neck 31 is articulated in limiting through hole 11, limiting section 32 is connected with neck 31 with limiting section 33, and be arranged at respectively the upper and lower side of described limiting through hole 11, threaded portion 34 is threaded with lens mount 2.

After rotating screw thread member 3, because lens mount 2 is fixed, screw thread member 3 just produces upper and lower movement by limiting section 32 and limiting section 33 with light source shelf 1.And the rotation of neck 31 can not pass to light source shelf 1.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

The lower end of screw thread member 3 is piercing in lens mount 2 lower surfaces, and handle core body 4 is fixedly connected on the lower end of screw thread member 3.After handle core body 4 has been arranged, only need rotary handle core body 4 just can complete adjusting, further improved the convenience of operation.Also can on the handle core body, fill the sterilization housing, convenient sterilizing and clean.

Embodiment 3

As shown in figure 12, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The present embodiment light source shelf 1 is fixed on the lamp bracket of shadowless lamp, and is provided with a limiting through hole 21 on lens mount 2, and described elevating mechanism comprises a screw thread member 3.

Screw thread member 3 comprises a threaded portion 34, a neck 31, and the limiting section 32 and the limiting section 33 that for limiting described screw thread member, move up and down, wherein, neck 31 is articulated in limiting through hole 21, limiting section 32 is connected with neck 31 with limiting section 33, and be arranged at respectively the upper and lower side of limiting through hole 21, threaded portion 34 is threaded with light source shelf 1.

After rotating screw thread member 3, because light source shelf 1 is fixed, screw thread member 3 just produces upper and lower movement by limiting section 32 and limiting section 33 with lens mount 2.And the rotation of neck 31 can not pass to lens mount 2.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

The lower end of screw thread member 3 is piercing in lens mount 2 lower surfaces, and handle core body 4 is fixedly connected on the lower end of screw thread member 3.After handle core body 4 has been arranged, only need rotary handle core body 4 just can complete adjusting, further improved the convenience of operation.Also can on the handle core body, fill the sterilization housing, convenient sterilizing and clean.

Embodiment 4

As shown in figure 13, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The present embodiment light source shelf 1 is fixed on the lamp bracket of described shadowless lamp, and is provided with a limiting through hole 11 on light source shelf 1, is provided with a rotating hole and a banking pin 5 on lens mount 2, and described elevating mechanism comprises a screw thread member 3.

Screw thread member 3 comprises a threaded portion 34, a neck 31, and the limiting section 32 and the limiting section 33 that for limiting screw thread member 3, move up and down, wherein, neck 31 is articulated in limiting through hole 11, limiting section 32 is connected with neck 31 with limiting section 33, and is arranged at respectively the upper and lower side of limiting through hole 11, and threaded portion 34 is arranged in described rotating hole, banking pin 5 is fixed on lens mount 2, and an end of banking pin 5 is embedded in the thread groove of threaded portion 34.

Described shadowless lamp also comprises that one for preventing the stopping means 6 of described lens mount rotation.Stopping means 6 is connected on light source shelf 1, and lower end is arranged in lens mount 2, and lens mount 2 just can not rotate like this.

Due to the effect of limiting section 32 and limiting section 33, screw thread member 3 can only rotate, and can not produce and move axially.Banking pin 5 is embedded in the thread groove of threaded portion 34, and the limited device 6 of lens mount 2 limited rotation, so banking pin 5, along with the rotation of thread groove lines, can not rotate, only can produce upper and lower movement, thereby realize moving up and down of lens mount 2.The adjusting of this scheme is very accurate, can realize the amplification that hot spot is stable and dwindle.

The lower end of screw thread member 3 is piercing in lens mount 2 lower surfaces, and handle core body 4 is fixedly connected on the lower end of screw thread member 3.After handle core body 4 has been arranged, only need rotary handle core body 4 just can complete adjusting, further improved the convenience of operation.Also can on the handle core body, fill the sterilization housing, convenient sterilizing and clean.

Embodiment 5

As shown in figure 14, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The present embodiment lens mount 2 is fixed on the lamp bracket of described shadowless lamp, and is provided with a limiting through hole 21 on lens mount 2, is provided with a rotating hole and a banking pin 5 on light source shelf 1, and described elevating mechanism comprises a screw thread member 3.

Screw thread member 3 comprises a threaded portion 34, a neck 31, and the limiting section 32 and the limiting section 33 that for limiting screw thread member 3, move up and down, wherein, neck 31 is articulated in limiting through hole 21, limiting section 32 is connected with neck 31 with limiting section 33, and is arranged at respectively the upper and lower side of limiting through hole 21, and threaded portion 34 is arranged in described rotating hole, banking pin 5 is fixed on light source shelf 1, and an end of banking pin 5 is embedded in the thread groove of threaded portion 34.

Described shadowless lamp also comprises that one for preventing the stopping means 6 of described light source shelf rotation.Stopping means 6 is connected on light source shelf 1, and lower end is arranged in lens mount 2, and light source shelf 1 just can not rotate like this.

Due to the effect of limiting section 32 and limiting section 33, screw thread member 3 can only rotate, and can not produce and move axially.Banking pin 5 is embedded in the thread groove of threaded portion 34, and the limited device 6 of light source shelf 1 limited rotation, so banking pin 5, along with the rotation of thread groove lines, can not rotate, only can produce upper and lower movement, thereby realize moving up and down of light source shelf 1.The adjusting of this scheme is very accurate, can realize the amplification that hot spot is stable and dwindle.

The lower end of screw thread member 3 is piercing in lens mount 2 lower surfaces, and handle core body 4 is fixedly connected on the lower end of screw thread member 3.After handle core body 4 has been arranged, only need rotary handle core body 4 just can complete adjusting, further improved the convenience of operation.Also can on the handle core body, fill the sterilization housing, convenient sterilizing and clean.

Embodiment 6

As shown in figure 15, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The light source shelf 1 of the present embodiment is fixed on the lamp bracket of described shadowless lamp, and is provided with a sliding tray 11 and a banking pin 4 on light source shelf 1, and described elevating mechanism comprises a sliding bar 3.

Sliding bar 3 one ends are slidedly arranged in sliding tray 11, and the other end of sliding bar 3 is fixedly connected with lens mount 2, and banking pin 4 is for being pressed on sliding bar 3 inwall of sliding tray 11.After unclamping banking pin 4, can, so that sliding bar 3 slides, thereby make lens mount 2 produce, move up and down.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Embodiment 7

As shown in figure 16, be the shadowless lamp structural representation of the present embodiment, it has mainly changed elevating mechanism with respect to embodiment 1, therefore the expression in the drawings of other similar parts is not yet done one by one and repeated at this.

The lens mount 2 of the present embodiment is fixed on the lamp bracket of described shadowless lamp, and is provided with a sliding tray 21 and a banking pin 4 on lens mount 2, and described elevating mechanism comprises a sliding bar 3.

Sliding bar 3 one ends are slidedly arranged in sliding tray 21, and the other end of sliding bar 3 is fixedly connected with light source shelf 1, and banking pin 4 is for being pressed on sliding bar 3 inwall of sliding tray 21.After unclamping banking pin 4, can, so that sliding bar 3 slides, thereby make light source shelf 1 produce, move up and down.Adopt this structure manufacture simple, cost is low, is beneficial to the maintaining in later stage.

Although more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art, under the prerequisite that does not deviate from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.

Claims (11)

1. a shadowless lamp, it is characterized in that, described shadowless lamp comprises a light source shelf, some light source assemblies that are fixed on described light source shelf, one lens mount, some lens subassemblies that are fixed on described lens mount, an and elevating mechanism, wherein, described lens mount is arranged at the below of described light source shelf, and each described lens subassembly is corresponding one by one with each described light source assembly, each described lens subassembly is the light source assembly eccentric setting corresponding with it all, described elevating mechanism is connected with described light source shelf with described lens mount respectively, and described elevating mechanism is for making described lens mount and described light source shelf produce the relative displacement of vertical direction.
2. shadowless lamp as claimed in claim 1, it is characterized in that, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described lens mount, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, a neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and are arranged at respectively the upper and lower side of described limiting through hole, and described threaded portion is threaded with described light source shelf.
3. shadowless lamp as claimed in claim 1, it is characterized in that, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described light source shelf, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, a neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and are arranged at respectively the upper and lower side of described limiting through hole, and described threaded portion is threaded with described lens mount.
4. shadowless lamp as claimed in claim 1, it is characterized in that, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a sliding tray and a banking pin on described light source shelf, described elevating mechanism comprises a sliding bar, described sliding bar one end is slidedly arranged in described sliding tray, and the other end of described sliding bar is fixedly connected with described lens mount, and described banking pin is for being pressed on described sliding bar the inwall of described sliding tray.
5. shadowless lamp as claimed in claim 1, it is characterized in that, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a sliding tray and a banking pin on described lens mount, described elevating mechanism comprises a sliding bar, described sliding bar one end is slidedly arranged in described sliding tray, and the other end of described sliding bar is fixedly connected with described light source shelf, and described banking pin is for being pressed on described sliding bar the inwall of described sliding tray.
6. shadowless lamp as claimed in claim 1, it is characterized in that, described light source shelf is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described light source shelf, be provided with a rotating hole and a banking pin on described lens mount, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, one neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is arranged in described rotating hole, described banking pin is fixed on described lens mount, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described lens mount rotation.
7. shadowless lamp as claimed in claim 1, it is characterized in that, described lens mount is fixed on the lamp bracket of described shadowless lamp, and be provided with a limiting through hole on described lens mount, be provided with a rotating hole and a banking pin on described light source shelf, described elevating mechanism comprises a screw thread member, described screw thread member comprises a threaded portion, one neck, and two limiting sections that move up and down for limiting described screw thread member, wherein, described neck is articulated in described limiting through hole, described two limiting sections are connected with described neck, and be arranged at respectively the upper and lower side of described limiting through hole, described threaded portion is arranged in described rotating hole, described banking pin is fixed on described light source shelf, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described light source shelf rotation.
8. as the described shadowless lamp of any one in claim 2,3,6 and 7, it is characterized in that, the lower end of described screw thread member is piercing in described lens mount lower surface, and described elevating mechanism also comprises the one handle core body, and described handle core body is fixedly connected on the lower end of described screw thread member.
9. shadowless lamp as claimed in claim 1, it is characterized in that, described light source shelf is fixed on the lamp bracket of described shadowless lamp, described elevating mechanism is a regulating handle, described regulating handle comprises a lens mount adapter sleeve be connected with described lens mount, one fixed connecting plate for fixing described regulating handle, one is fixed on the pedestal on described fixed connecting plate, one screw thread member, one handle core body and a banking pin, wherein, described screw thread member comprises a threaded portion, one neck, and the connecting portion be connected with described handle core body, described neck is articulated in a limiting through hole be arranged on described pedestal, described handle core body and described threaded portion are located in the two ends of described limiting through hole, described threaded portion is housed inside in a rotating hole be arranged on described lens mount adapter sleeve, described banking pin is fixed on described lens mount adapter sleeve, and an end of described banking pin is embedded in the thread groove of described threaded portion, described shadowless lamp also comprises that one for preventing the stopping means of described lens mount rotation.
10. shadowless lamp as claimed in claim 9, it is characterized in that, described stopping means comprises the stopper slot be arranged on described pedestal, described banking pin comprises a First and one second one, described First is fixed on described lens mount adapter sleeve, and be embedded in the thread groove of described threaded portion, described second one vertically is slidedly arranged in described stopper slot.
11. shadowless lamp as claimed in claim 9, it is characterized in that, the external sterilization housing that also is removably connected with of described handle core, described sterilization housing comprises a groove, described regulating handle also comprises a bearing pin, one handle button and a spring element, wherein, described bearing pin is connected on described handle core body, described handle is buckled and is rotatably connected on described bearing pin, described handle is buckled and is comprised a buckling parts, described buckling parts fastens by described spring element and described groove, described handle is buckled and is also comprised that one buckles for rotating described handle, and make described buckling parts break away from the release portion of described groove, described release portion is piercing in described sterilization housing.
CN201320461478.5U 2013-07-30 2013-07-30 Shadowless lamp CN203375280U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388781A (en) * 2013-07-30 2013-11-13 上海医疗器械股份有限公司 Shadowless lamp
CN104633549A (en) * 2015-02-06 2015-05-20 深圳市科曼医疗设备有限公司 Operating lamp
WO2016101491A1 (en) * 2014-12-23 2016-06-30 深圳市科曼医疗设备有限公司 Surgical lamp and light spot adjusting device thereof
CN110296376A (en) * 2019-07-12 2019-10-01 南通大学 A method of adjusting LED shadowless lamp hot spot

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388781A (en) * 2013-07-30 2013-11-13 上海医疗器械股份有限公司 Shadowless lamp
CN103388781B (en) * 2013-07-30 2015-08-12 上海医疗器械股份有限公司 Shadowless lamp
WO2016101491A1 (en) * 2014-12-23 2016-06-30 深圳市科曼医疗设备有限公司 Surgical lamp and light spot adjusting device thereof
CN104633549A (en) * 2015-02-06 2015-05-20 深圳市科曼医疗设备有限公司 Operating lamp
CN104633549B (en) * 2015-02-06 2019-03-08 深圳市科曼医疗设备有限公司 Operating lamp
CN110296376A (en) * 2019-07-12 2019-10-01 南通大学 A method of adjusting LED shadowless lamp hot spot

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