CN210462900U

CN210462900U - Filter device of oral cavity lamp

Info

Publication number: CN210462900U
Application number: CN201921405070.XU
Authority: CN
Inventors: 陈华志
Original assignee: Foshan Huachuang Medical Technology Co ltd
Current assignee: Foshan Huachuang Medical Technology Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-05
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a light filtering device of an oral cavity lamp, which comprises a transverse lamp holder and a disc-shaped turntable body, wherein the turntable body is transversely arranged above the lamp holder, a plurality of light holes are arranged on the turntable body, the plurality of light holes are arranged in an annular interval arrangement around the circle center of the turntable body, a light filtering unit is arranged on at least one light hole and can convert light rays passing through the light filtering unit, the circle center of the turntable body is rotationally connected with the lamp holder, a lamp source body and a positioning block are arranged on the upper surface of the lamp holder, the lamp source body is arranged on the rotation path of the plurality of light holes, a plurality of positioning grooves matched with the positioning block are arranged on the outer side surface of the turntable body, the plurality of positioning grooves are arranged in an annular interval arrangement, the plurality of positioning grooves correspond to the plurality of light holes one by one, the turntable body can be clamped with the positioning block through the positioning grooves, thereby realizing the rotational, the structure is simple, and the switching of the filtering mode can be flexibly realized. The utility model is used for the light filtering of mouth cavity lamp.

Description

Filter device of oral cavity lamp

Technical Field

The utility model relates to a technical field of light filtering, in particular to optical filtering device of oral cavity lamp.

Background

The oral cavity lamp is the product that is used for the department of stomatology operation and diagnosis to provide the illumination, reflection formula oral cavity lamp obtains extensive application in medical field at present, reflection formula oral cavity lamp adopts the light source to shine the reflector, recycle reflector reflection light, thereby realize the function of illumination, the sensation of focusing light is all inequality to every doctor, required colour temperature is all different, so make the doctor can not produce unnecessary trouble and problem at the operation in-process, and know the colour temperature light of adaptation help in doctor's operation ripe, so the oral cavity lamp need have the filtering and mixing of colors temperature function, but current oral cavity lamp filtering regulation performance is poor, the structure is complicated, hardly realize the switching to the filtering mode.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the filtering device of the oral cavity lamp is convenient to adjust, simple in structure and capable of flexibly achieving switching of filtering modes.

The utility model provides a solution of its technical problem is:

a light filtering device of an oral cavity lamp comprises a transverse lamp holder and a disk-shaped turntable body, wherein the turntable body is transversely arranged above the lamp holder, a plurality of light holes are arranged on the turntable body and are arranged at intervals in an annular shape around the circle center of the turntable body, a light filtering unit is arranged on at least one light hole and can convert the light passing through the light filtering unit, the circle center of the turntable body is rotationally connected with the lamp holder, the upper surface of the lamp holder is provided with a lamp source body and a positioning block, the lamp source body is arranged right below the rotating paths of the plurality of light holes, a plurality of positioning grooves matched with the positioning blocks are arranged on the outer side surface of the turntable body, the plurality of positioning grooves are arranged in an annular interval manner, the plurality of positioning grooves correspond to the plurality of light holes one by one, the turntable body can be clamped with the positioning block through the positioning groove, so that the turntable body can be positioned in a rotating mode.

As a further improvement of the scheme, the upper end opening of the light transmission hole is in a horn shape, and the inner diameter of the upper end opening of the light transmission hole is gradually increased from bottom to top.

As a further improvement of the above scheme, the positioning block includes a positioning seat connected to the lamp holder, an arc-shaped slat is connected to a side surface of the positioning seat close to the turntable body, two ends of the slat are fixedly connected to the positioning seat, and a positioning protrusion matched with the positioning groove is disposed on an outer side surface of the center of the slat.

As a further improvement of the above scheme, the lamp further comprises a light screen installed above the lamp holder, the light screen covers the top of the rotary disc body, the light screen is provided with a hollowed-out portion, the size and the shape of the hollowed-out portion are matched with the size and the shape of the light hole, the hollowed-out portion is arranged right above the lamp source body, and light emitted by the lamp source body sequentially passes through the corresponding light hole and the hollowed-out portion.

As a further improvement of the scheme, the lower surface of the rotary disc body is provided with a groove which is annularly arranged around the circle center of the rotary disc body, the groove is communicated with a plurality of light holes, the lamp source body comprises a lamp plate and a lamp body, the lamp plate is connected with the upper surface of the lamp holder, the lamp body is installed on the upper surface of the lamp plate, and the lamp body is arranged in the groove.

As a further improvement of the scheme, the lamp holder is provided with a vertically arranged rotating hole, the circle center of the turntable body is connected with a rotating pipe matched with the rotating hole, the turntable body is rotatably connected with the rotating hole through the rotating pipe, a round knob body is arranged below the lamp holder, and the lower end of the rotating pipe penetrates through the rotating hole and then is connected with the circle center of the knob body.

As a further improvement of the scheme, a connecting shaft is fixedly connected to the circle center of the knob body, a first rotating pin block is arranged on the outer side face of the connecting shaft, a second rotating pin block is arranged on the inner side face of the rotating pipe, the connecting shaft is sleeved in the rotating pipe, and the first rotating pin block is abutted to the second rotating pin block.

As a further improvement of the above scheme, a step is provided on an inner side surface of the upper port of the light hole, the filtering unit includes a filter, a size shape of the filter matches a size shape of the step, and the filter is mounted on the step.

As a further improvement of the scheme, the number of the light holes is three, one of the light holes is internally provided with a light filter capable of filtering blue light, the other light hole is internally provided with a light filter capable of filtering cold light, and the third light hole is arranged in a hollow mode.

As a further improvement of the scheme, the number of the positioning grooves is three, and the three positioning grooves are respectively arranged between two adjacent light holes.

The utility model has the advantages that: when the rotary table body is switched to different light filtering modes, different light holes are in butt joint with the lamp source body, a light filtering unit is arranged on at least one light hole and can convert light rays passing through the light filtering unit, the rotary table body can be clamped with the positioning block on the lamp holder through the positioning grooves, so that the rotary table body is positioned in a rotating mode, each positioning groove corresponds to one light hole, the rotary table body is positioned conveniently, the light filtering modes are switched conveniently, only the position between the positioning block and the positioning groove is limited, the position relation between the positioning groove and the light holes can be preset in the design and manufacture process, when the corresponding positioning groove is clamped with the positioning block, the corresponding light holes are in butt joint with the lamp source body, the position between the light holes and the lamp source body does not need to be debugged, the switching efficiency is improved, and the adjustment is convenient, the structure is simple, and the switching of the filtering mode can be flexibly realized.

The utility model is used for the light filtering of mouth cavity lamp.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the invention;

fig. 3 is a schematic view of an internal structure of a lamp socket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the lower surface of the turntable body according to the embodiment of the present invention;

fig. 5 is a schematic structural view of the upper surface of the turntable body according to the embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

With reference to fig. 1 to 5, this is an embodiment of the invention, in particular:

a light filtering device of an oral cavity lamp comprises a transverse lamp holder 100 and a disc-shaped turntable body 200, wherein the turntable body 200 is transversely arranged above the lamp holder 100, a plurality of light holes 210 are arranged on the turntable body 200, the plurality of light holes 210 are arranged in an annular interval arrangement around the center of the turntable body 200, a light filtering unit is arranged on at least one of the light holes 210 and can convert light rays passing through the light filtering unit, the center of the turntable body 200 is rotatably connected with the lamp holder 100, a lamp source body 120 and a positioning block 130 are arranged on the upper surface of the lamp holder 100, the lamp source body 120 is arranged on the rotating path of the plurality of light holes 210, a plurality of positioning grooves 230 matched with the positioning block 130 are arranged on the outer side surface of the turntable body 200, the plurality of positioning grooves 230 are arranged in an annular interval arrangement, and the plurality of positioning grooves 230 are in one-to-one correspondence with the plurality of light holes 210, the turntable body 200 can be clamped with the positioning block 130 through the positioning groove 230, so that the turntable body 200 can be positioned in a rotating manner. When the turntable body 200 is switched to different filtering modes, different light holes 210 are butted with the lamp source 120, a filtering unit is installed on at least one light hole 210, the filtering unit can convert light passing through the filtering unit, the turntable body 200 can be clamped with the positioning block 130 on the lamp holder 100 through the positioning groove 230, so as to realize the rotating positioning of the turntable body 200, each positioning groove 230 corresponds to one light hole 210, so that the positioning of the turntable body 200 is facilitated, and the switching of the filtering modes is facilitated, only the position between the positioning block 130 and the positioning groove 230 is limited, during the design and manufacture process, the position relation between the positioning groove 230 and the light hole 210 can be preset, when the corresponding positioning groove 230 is clamped with the positioning block 130, the corresponding light hole 210 is butted with the lamp source 120, so that the position between the light hole 210 and the lamp source 120 does not need to be debugged, the switching efficiency is improved, the adjustment is convenient, the structure is simple, and the switching of the filtering mode can be flexibly realized.

Further as a preferred embodiment, the upper end opening of the light-transmitting hole 210 is in a trumpet shape, and the inner diameter of the upper end opening of the light-transmitting hole 210 gradually increases from bottom to top. The shielding of the inner side wall of the light hole 210 to light can be reduced, and the irradiation range of the light source is expanded.

Further as a preferred embodiment, the positioning block 130 includes a positioning seat 131 connected to the lamp holder 100, an arc-shaped strip 132 is connected to one side surface of the positioning seat 131 close to the turntable body 200, two ends of the strip 132 are fixedly connected to the positioning seat 131, and a positioning protrusion 133 matching with the positioning groove 230 is disposed on an outer side surface of a center of the strip 132. The lath 132 that is the arc form has certain elastic deformation ability, but when rotating the turntable body 200, the lateral surface and the protruding 133 sliding contact of location of turntable body 200 to compress lath 132, when location arch 133 and constant head tank 230 joint, lath 132 elastic restoring force makes location arch 133 stretch into constant head tank 230, realizes location arch 133 and constant head tank 230 joint, and the location is simple, and the user only need rotate the turntable body 200 with exerting oneself gently.

Further as a preferred embodiment, the lighting fixture further includes a light shielding plate 300 installed above the lamp holder 100, the light shielding plate 300 covers the turntable body 200, the light shielding plate 300 is provided with a hollow portion 310, the size and shape of the hollow portion 310 are matched with the size and shape of the light hole 210, the hollow portion 310 is arranged right above the light source 120, and light emitted by the light source 120 sequentially passes through the corresponding light hole 210 and the hollow portion 310. The light shielding plate 300 can shield other light holes 210, so as to prevent light from being emitted from other light holes 210, thereby improving the reliability of the light filtering device.

Further as a preferred embodiment, a groove 240 which is annularly arranged around the center of the turntable 200 is disposed on the lower surface of the turntable 200, the groove 240 is communicated with the plurality of light holes 210, the lamp source body 120 includes a lamp plate 121 connected to the upper surface of the lamp holder 100, and a lamp body 122 mounted on the upper surface of the lamp plate 121, and the lamp body 122 is disposed in the groove 240. Further, the distance between the lamp body 122 and the filter unit can be shortened, the irradiation range of the lamp body 122 can be prevented from being narrowed due to the thickness of the turntable body 200, and the irradiation range of the lamp body 122 can be enlarged, and the light holes 210 of different shapes can be formed according to different lamp bodies 122, and the light holes 210 of the present embodiment are elliptical.

Further as a preferred embodiment, a rotation hole 110 is vertically arranged on the lamp holder 100, a rotation tube 220 matched with the rotation hole 110 is connected to the center of the circle of the turntable body 200, the turntable body 200 is rotatably connected to the rotation hole 110 through the rotation tube 220, a circular knob body 400 is arranged below the lamp holder 100, and the lower end of the rotation tube 220 penetrates through the rotation hole 110 and then is connected to the center of the circle of the knob body 400. The user can control the rotation of the turntable body 200 by rotating the knob body 400.

Further, as a preferred embodiment, a connecting shaft 410 is fixedly connected to a center of the knob body 400, a first pivot block 420 is disposed on an outer side surface of the connecting shaft 410, a second pivot block 221 is disposed on an inner side surface of the pivot tube 220, the connecting shaft 410 is sleeved in the pivot tube 220, and the first pivot block 420 abuts against the second pivot block 221. In order to prevent slipping during rotation, the first pivot block 420 abuts against the second pivot block 221 during rotation of the turntable body 200, thereby improving the accuracy of rotation of the turntable body 200.

Further preferably, a step 211 is disposed on an inner side surface of an upper end of the light-transmitting hole 210, the filter unit includes a filter 250, a size and a shape of the filter 250 are matched with a size and a shape of the step 211, and the filter 250 is mounted on the step 211. The filtering unit may be a filter film or other filtering mechanism, in this embodiment, the filter 250 is provided, the step 211 facilitates the installation and fixation of the filter 250, and the filter 250 may be fixed on the step 211 by glue or by embedding.

In a further preferred embodiment, there are three light holes 210, one of the light holes 210 is provided with a filter 250 capable of filtering blue light, the other light hole 210 is provided with a filter 250 capable of filtering cold light, and the third light hole 210 is hollow. Because the polyester curing material is used in the process of repairing teeth in some special oral surgeries, and the blue light emitted by the oral lamp can react with the polyester curing material to cause the curing of the polyester curing material, the misoperation in the surgeries can be caused, when the polyester curing material is encountered in the surgeries, the optical filter 250 capable of filtering out the blue light can be switched to, generally speaking, the color temperature range which is commonly used can be divided into warm color light, cold white light and cold color light, the color temperature of the warm color light is below 3300K, the warm color light is close to an incandescent lamp, the red light has more components, the warm or comfortable feeling can be given to people, and the oral lamp can be suitable for places such as families, houses, dormitories and the like or places with lower temperature; the color temperature of the cool white light is between 3300K and 5300K, and the neutral color has soft light, so that people have pleasant, comfortable and detailed feelings, and can be applied to places such as shops, hospitals, offices, restaurants and the like. The color temperature of cold color light is above 5300K, the light source is close to natural light, and has bright feeling, so that people can concentrate on the strength and are not easy to fall asleep, and the device is suitable for places such as reading rooms of offices, meeting rooms, classrooms and libraries, for example, doctors can clearly see the operation peripheral environment, operation appliances and positions, the definition and the color between blood vessels and organs of different patients and the like under different conditions, moreover, the feeling of light of each doctor is different, namely the preferred color temperatures are different, so that an operation lamp capable of adjusting the color temperature is needed, so that the doctor cannot generate unnecessary troubles and problems in the operation process, and the correct color temperature light helps the doctor to operate. If the operation time is too long, the oral cavity lamp is required to emit warm color light, the comfort level of a comfortable doctor is improved, the fatigue is reduced, the optical filter 250 capable of filtering out cold color light can be switched to at the moment, and the optical filter can be switched to the hollow light hole 210 when the cold color light is required.

Further, in a preferred embodiment, there are three positioning grooves 230, and three positioning grooves 230 are respectively disposed between two adjacent light-transmitting holes 210.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A light filtering device for an oral cavity light, comprising: comprises a transverse lamp holder and a disc-shaped turntable body, wherein the turntable body is transversely arranged above the lamp holder, a plurality of light holes are arranged on the turntable body and are arranged at intervals in an annular shape around the circle center of the turntable body, a light filtering unit is arranged on at least one light hole and can convert the light passing through the light filtering unit, the circle center of the turntable body is rotationally connected with the lamp holder, the upper surface of the lamp holder is provided with a lamp source body and a positioning block, the lamp source body is arranged under the rotating paths of the plurality of light holes, a plurality of positioning grooves matched with the positioning blocks are arranged on the outer side surface of the turntable body, the plurality of positioning grooves are arranged in an annular interval manner, the plurality of positioning grooves correspond to the plurality of light holes one by one, the turntable body can be clamped with the positioning block through the positioning groove, so that the turntable body can be positioned in a rotating mode.

2. The filter device for an oral cavity light according to claim 1, wherein: the last port of light trap is the setting of loudspeaker form, the internal diameter of port is followed up grow gradually from the bottom up on the light trap.

3. The filter device for an oral cavity light according to claim 1, wherein: the positioning block comprises a positioning seat connected with a lamp holder, one side face, close to the turntable body, of the positioning seat is connected with an arc-shaped strip, two ends of the strip are fixedly connected with the positioning seat, and a positioning bulge matched with the positioning groove is arranged on the outer side face of the center of the strip.

4. The filter device for an oral cavity light according to claim 1, wherein: still including installing the light screen in the lamp stand top, the light screen covers in the top of changeing the disk body, the light screen is equipped with fretwork portion, the big or small shape of fretwork portion matches with the big or small shape of light trap, fretwork portion sets up directly over the lamp source body, the light that the lamp source body sent loops through corresponding light trap, fretwork portion.

5. The filter device for an oral cavity light according to claim 1, wherein: the lower surface of the rotary disc body is provided with a groove which is annularly arranged around the circle center of the rotary disc body, the groove is communicated with a plurality of light transmission holes, the lamp source body comprises a lamp plate and a lamp body, the lamp plate is connected with the upper surface of the lamp holder, the lamp body is arranged on the upper surface of the lamp plate, and the lamp body is arranged in the groove.

6. The filter device for an oral cavity light according to claim 1, wherein: the lamp holder is provided with a vertically arranged rotating hole, the circle center of the rotary disc body is connected with a rotating pipe matched with the rotating hole, the rotary disc body is rotatably connected with the rotating hole through the rotating pipe, a round knob body is arranged below the lamp holder, and the lower end of the rotating pipe penetrates through the rotating hole and then is connected with the circle center of the knob body.

7. The filter device of claim 6, wherein: the circle center of the knob body is fixedly connected with a connecting shaft, a first rotating pin block is arranged on the outer side face of the connecting shaft, a second rotating pin block is arranged on the inner side face of the rotating pipe, the connecting shaft is sleeved in the rotating pipe, and the first rotating pin block is abutted to the second rotating pin block.

8. The filter device for an oral cavity light according to claim 1, wherein: the inner side surface of the upper port of the light hole is provided with a step, the light filtering unit comprises a light filter, the size and shape of the light filter are matched with those of the step, and the light filter is arranged on the step.

9. The filter device for an oral cavity light according to claim 8, wherein: the light transmission holes are three, a light filter capable of filtering out blue light is installed in one of the light transmission holes, a light filter capable of filtering out cold light is installed in the other light transmission hole, and the third light transmission hole is arranged in a hollow mode.

10. The filter device for an oral light according to claim 9, wherein:

the constant head tank is equipped with threely, and three constant head tank sets up respectively between two adjacent light trap.