阅读说明：本技术 基于头部稳固式口腔科检查照明装置 (Illumination device based on head stabilization type dental examination ) 是由 李粮江 于 2021-08-31 设计创作，主要内容包括：本发明涉及检查照明技术领域,具体地说,涉及基于头部稳固式口腔科检查照明装置。其至少包括：口腔检查照明机构,口腔检查照明机构包括固定杆,固定杆表面开设有调节槽,调节槽内部转动设置有调节丝杆,固定杆内表面滑动设置有照明灯,照明灯端部设置有软管,软管端部固定连接有调节板,固定杆靠近两端的内表面均设置有伸缩杆,头部稳固机构,头部稳固机构包括两个对称的固定支架,固定支架前表面开设有限位槽,限位槽内部均滑动设置有限位滑板,其中一个限位滑板端部固定连接有日字扣,另一个限位滑板端部固定连接有捆绑带,本发明可以稳固的佩戴在患者头部进行检查照明,照明更准确,解放双手。(The invention relates to the technical field of examination lighting, in particular to a head-stabilization-based illumination device for department of stomatology examination. It at least comprises: the oral examination illuminating mechanism comprises a fixed rod, an adjusting groove is formed in the surface of the fixed rod, an adjusting screw rod is rotatably arranged in the adjusting groove, an illuminating lamp is arranged on the inner surface of the fixed rod in a sliding mode, the end portions of the illuminating lamp are provided with hoses, the end portions of the hoses are fixedly connected with adjusting plates, telescopic rods are arranged on the inner surfaces, close to the two ends, of the fixed rod, a head stabilizing mechanism comprises two symmetrical fixing supports, a limiting groove is formed in the front surface of each fixing support, limiting sliding plates are arranged in the limiting grooves in a sliding mode, one limiting sliding plate is fixedly connected with a T-shaped buckle, and the other limiting sliding plate is fixedly connected with a binding belt.)

1. Based on head stable formula department of stomatology inspection lighting device, its characterized in that includes at least:

the oral examination illuminating mechanism (100) comprises a fixing rod (110), an adjusting groove (111) is formed in the surface of the fixing rod (110), an adjusting screw rod (112) is rotatably arranged in the adjusting groove (111), the end part of the adjusting screw rod (112) is rotatably extended out of the adjusting groove (111), an adjusting turntable (1120) is connected in the adjusting groove (111), an illuminating lamp (120) is arranged on the inner surface of the fixing rod (110) in a sliding mode, a hose (121) is arranged at the end part of the illuminating lamp (120), an adjusting plate (122) is fixedly connected to the end part of the hose (121), an adjusting wire hole (1220) is formed in the surface of the adjusting plate (122), the inner part of the adjusting wire hole (1220) is in threaded fit connection with the outer wall of the adjusting screw rod (112), and telescopic rods (130) are arranged on the inner surfaces, close to two ends, of the fixing rod (110);

the head stabilizing mechanism (200) comprises two symmetrical fixing supports (210), the inner surfaces of the two fixing supports (210) close to the end parts are respectively fixedly connected with the outer surfaces of the two telescopic rods (130) close to the end parts, the front surfaces of the fixing supports (210) are provided with limiting grooves (212), limiting sliding plates (213) are arranged in the limiting grooves (212) in a sliding mode, the end part of one limiting sliding plate (213) is fixedly connected with a Chinese character buckle (2133), the end part of the other limiting sliding plate (213) is fixedly connected with a binding belt (220), the cross-sectional size of the binding belt (220) is matched with the inner size of the Chinese character buckle (2133), the outer surface of the binding belt (220) is respectively provided with a sub magic tape (221) and a mother magic tape (222), and the sub magic tape (221) is made of soft fine fibers, the female magic tape (222) adopts hard bristles with hooks, and the surfaces of the sub magic tape (221) and the female magic tape (222) are in bonding fit.

2. The head-stabilized-type-based illumination device for dental examination of claim 1, wherein: the telescopic rod (130) comprises a connecting rod (131), the end part of the connecting rod (131) is fixedly connected with the inner surface of the end part of the fixed support (210), a movable rod (132) is arranged inside the connecting rod (131) in a sliding mode, the end part of the movable rod (132) slides out of the inner surface of the end part of the fixed rod (110) in a sliding mode, and the end part of the movable rod (132) is fixedly connected with the inner surface of the end part of the fixed rod.

3. The head-stabilized dental examination illumination device of claim 2, wherein: the outer wall thread connection that connecting rod (131) is close to the tip has fastening bolt (133), a plurality of screw holes (1320) have been seted up to movable rod (132) outer wall equidistant, screw hole (1320) inside with fastening bolt (133) outer wall screw thread fit is connected.

4. The head-stabilized-type-based illumination device for dental examination of claim 1, wherein: the utility model discloses a lamp, including light (120), light (120) and lamp holder, the inner chamber that light (120) are close to the tip slides and is provided with convex lens (123), convex lens (123) outer wall fixedly connected with slider (125), light (120) outer wall intercommunication has two symmetrical intercommunication frames (124), intercommunication frame (124) are "mouth" word form.

5. The head-stabilized-type-based illumination device for dental examination of claim 4, wherein: the inner size of the communication frame (124) is matched with the size of the sliding block (125), the sliding block (125) is arranged inside the communication frame (124) in a sliding mode, the end portion of the sliding block (125) is fixedly connected with a pulling plate (126), and the pulling plate (126) slides on the outer surface of the communication frame (124).

6. The head-stabilized-type-based illumination device for dental examination of claim 1, wherein: two shift chute (211) have all been seted up to fixed bolster (210) lateral wall, two shift chute (211) are inside to be provided with respectively and move slide bar (2112) and removal lead screw (2111), it rotates to move lead screw (2111) inside shift chute (211), it stretches out to move lead screw (2111) tip shift chute (211) fixedly connected with removes carousel (2113).

7. The head-stabilized-type-based illumination device for dental examination of claim 6, wherein: two head limiting devices (230) are arranged between the moving grooves (211) in a sliding mode, each head limiting device (230) comprises a head cover (231), two symmetrical supporting rods (232) are arranged on the outer wall of each head cover (231), and moving plates (233) are arranged at the end portions of the supporting rods (232).

8. The head-stabilized dental examination illumination device of claim 7, wherein: the surfaces of the two moving plates (233) are respectively provided with a moving wire hole (2331) and a through hole (2332), the through hole (2332) slides on the outer wall of the moving slide rod (2112), and the inner part of the moving wire hole (2331) is in threaded fit connection with the outer wall of the moving screw rod (2111).

9. The head-stabilized-type-based illumination device for dental examination of claim 1, wherein: two inside spacing slide bar (2121) and the spacing lead screw (2122) of being provided with respectively of spacing groove (212), spacing lead screw (2122) rotate inside spacing groove (212), spacing lead screw (2122) tip rotates and stretches out spacing carousel (2123) of inside fixed connection of spacing groove (212).

10. The head-stabilized-type-based illumination device for dental examination of claim 9, wherein: the surfaces of the two limiting sliding plates (213) are respectively provided with a sliding hole (2131) and a limiting screw hole (2132), the sliding hole (2131) slides on the outer wall of the limiting sliding rod (2121), and the inside of the limiting screw hole (2132) is in threaded fit connection with the outer wall of the limiting screw rod (2122).

Technical Field

The invention relates to the technical field of examination lighting, in particular to a head-stabilization-based illumination device for department of stomatology examination.

Background

Department of stomatology, one of the medical discipline categories. The major stomatological disorders include: stomatoglossal part skin sample, epiderm submaxillary space infection, maxillofacial part lymphangioma, dentate process development deformity, maxillary sinus malignant tumor, jaw amelogenesis cytoma, chronic ethmoid sinusitis, mandibular retropulsion, tetracycline teeth disease, tongue leukoplakia and other diseases;

when the patient is carrying out the department of stomatology inspection, need use lighting device to shine the light beam in the patient oral cavity to more clear inspection patient oral cavity, but at present when using lighting device, need medical personnel to hold and shine, not only inconvenient patient both hands operate other instruments, and hold easily and rock, lead to shining the light beam and rock, the inspection patient oral cavity that can not be accurate, in view of this, we propose based on head stable formula department of stomatology inspection lighting device.

Disclosure of Invention

The present invention is directed to a head-stabilized illumination device for dental examination, which solves the above-mentioned problems of the prior art.

In order to achieve the above object, the present invention provides a head-stabilized illumination device for dental examination, comprising at least:

the oral examination illuminating mechanism comprises a fixed rod, an adjusting groove is formed in the surface of the fixed rod, an adjusting screw rod is rotatably arranged in the adjusting groove, the end part of the adjusting screw rod rotatably extends out of the adjusting groove, an adjusting rotary disc is connected in the adjusting groove, an illuminating lamp is slidably arranged on the inner surface of the fixed rod, a hose is arranged at the end part of the illuminating lamp, an adjusting plate is fixedly connected to the end part of the hose, an adjusting screw hole is formed in the surface of the adjusting plate, the inner part of the adjusting screw hole is in threaded fit connection with the outer wall of the adjusting screw rod, and telescopic rods are arranged on the inner surfaces of the fixed rod, close to the two ends of the fixed rod;

oral cavity inspection lighting mechanism in this embodiment when specifically using, can be located patient's oral area between two telescopic links, make the dead lever be located patient oral cavity directly over, then hold the regulation carousel and rotate, can drive accommodate the lead screw and rotate inside the adjustment tank, can make the downthehole portion of regulation silk along the screw thread slip of accommodate the lead screw outer wall on accommodate the board surface, thereby can drive the light and slide in dead lever internal surface horizontal slip, make the light shine the different positions in oral cavity, the angle that the light shines can be adjusted to the wrench movement hose simultaneously, it is more accurate to make medical personnel inspect patient oral cavity.

Head stabilizing mean, head stabilizing mean includes the fixed bolster of two symmetries, two the internal surface that the fixed bolster is close to the tip respectively with two the outer fixed surface connection that the tip is close to the telescopic link, the spacing groove has been seted up to the fixed bolster front surface, the equal slip of spacing inslot portion is provided with spacing slide, one of them spacing slide tip fixedly connected with day word is detained, another spacing slide tip fixedly connected with ties, tie the cross dimension size with the adaptation of inside dimension size is detained to the day word, it pastes and pastes with female magic respectively to tie the surface, the subsides of sub-magic adopts soft tiny fibre, female magic is pasted and is adopted the thorn hair of harder tape hook, sub-magic paste with female magic pastes the surface bonding cooperation.

The head stabilizing mean in this embodiment is when specifically using, is located patient's head between two fixed bolsters, then will tie and take the tip to pass inside the letter of a Chinese character ri knot, then pull and tie and take, make son magic subsides and female magic subsides surface bonding cooperation, tie and take to bind spacing in patient's forehead department, thereby can fix head stabilizing mean at patient's head, make stable the fixing at patient's head of oral examination lighting mechanism, then make the light shine the light beam and examine in patient's oral cavity.

As a further improvement of the technical scheme, the telescopic rod comprises a connecting rod, the end part of the connecting rod is fixedly connected with the inner surface of the fixed support close to the end part, a movable rod is arranged inside the connecting rod in a sliding mode, the end part of the movable rod slides out of the inner surface of the movable rod and is fixedly connected with the fixed rod close to the end part.

As a further improvement of the technical scheme, the outer wall of the connecting rod, which is close to the end part, is in threaded connection with a fastening bolt, the outer wall of the movable rod is equidistantly provided with a plurality of screw holes, and the screw holes are internally connected with the outer wall of the fastening bolt in a threaded fit manner.

As a further improvement of the technical scheme, the inner cavity of the illuminating lamp close to the end part is provided with a convex lens in a sliding mode, the outer wall of the convex lens is fixedly connected with a sliding block, the outer wall of the illuminating lamp is communicated with two symmetrical communicating frames, and the communicating frames are in a shape like a Chinese character 'kou'.

As a further improvement of the technical scheme, the inner size of the communication frame is matched with the size of the sliding block, the sliding block is arranged inside the communication frame in a sliding mode, the end portion of the sliding block is fixedly connected with a pulling plate, and the pulling plate slides on the outer surface of the communication frame.

As a further improvement of the technical scheme, the two fixed support side walls are provided with moving grooves, the moving grooves are respectively internally provided with a moving slide rod and a moving screw rod, the moving screw rod rotates inside the moving grooves, and the end parts of the moving screw rods rotate and extend out of the moving grooves fixedly connected with a moving turntable.

As a further improvement of the technical scheme, a head limiting device is arranged between the moving grooves in a sliding mode and comprises a head top cover, two symmetrical supporting rods are arranged on the outer wall of the head top cover, and moving plates are arranged at the end portions of the supporting rods.

As a further improvement of the technical scheme, the surfaces of the two moving plates are respectively provided with a moving screw hole and a through hole, the through hole slides on the outer wall of the moving slide rod, and the inner part of the moving screw hole is in threaded fit connection with the outer wall of the moving screw rod.

As a further improvement of the technical scheme, two limiting slide rods and limiting screw rods are respectively arranged in the limiting grooves, the limiting screw rods rotate in the limiting grooves, and the end parts of the limiting screw rods rotate to extend out of the limiting turntables fixedly connected in the limiting grooves.

As a further improvement of the technical scheme, the surfaces of the two limiting sliding plates are respectively provided with a sliding hole and a limiting screw hole, the sliding hole slides on the outer wall of the limiting sliding rod, and the inner part of the limiting screw hole is in threaded fit connection with the outer wall of the limiting screw rod.

Compared with the prior art, the invention has the beneficial effects that:

1. this among the illumination device is examined based on head firm formula department of stomatology, through setting up head stabilizing mean, can will tie the tape tip and pass inside the letter buckle, then pull and tie the area, make sub-magic subsides and female magic subsides surface bonding cooperation, tie the area and tie spacing in patient's forehead department to tying, thereby can fix head stabilizing mean at patient's head, make stable the fixing at patient's head of oral cavity inspection illumination mechanism, be favorable to the inspection effect, liberation medical personnel both hands, avoid the hand to take the light to shine and lead to rocking, be unfavorable for the inspection in oral cavity.

2. Among this illumination device based on firm formula department of stomatology of head inspection, through setting up oral cavity inspection lighting mechanism, when accommodate the lead screw rotates, can make the downthehole portion of adjusting wire on accommodate the board along the screw thread slip of accommodate the lead screw outer wall to can drive the light and slide about the dead lever internal surface, can twist the hose simultaneously and adjust the angle that the light shines, conveniently make the light shine the different positions in oral cavity, be favorable to the omnidirectional inspection, the practicality is stronger.

3. Among this illumination device based on illumination device is examined to firm formula department of stomatology of head, through setting up the telescopic link, the push-and-pull movable rod makes the movable rod lower extreme slide in the connecting rod is inside to conveniently adjust the whole length of telescopic link, conveniently adjust the distance of dead lever to patient's oral cavity, thereby make light emission light shine patient's oral cavity more be fit for the inspection, the practicality is stronger, improves oral cavity inspection effect.

4. Among this illumination device based on formula department of stomatology that the head is firm, through setting up convex lens, convex lens mainly plays the convergence effect to light, slide at the light inner chamber through convex lens, make the distance that changes convex lens and light inner chamber lamp pearl, adjust the spotlight scope, convex lens are close to light and disperse more, light beam luminance is lower, otherwise light gathers more, light beam luminance is higher, make things convenient for medical personnel to change the power of light beam, thereby the convenience is to the inside illumination that carries out the detail of oral cavity, the practicality is stronger.

5. Among this illumination device based on formula department of stomatology that the head is firm, through setting up head stop device, when removing the lead screw and rotating, can drive the screw-thread slip of the removal silk downthehole portion along removing the lead screw outer wall on removal board surface, make the through-hole slide at removing the slide bar outer wall, high durability and convenient operation, thereby can change the length that the bracing piece stretches out two fixed bolsters, the convenience is adjusted according to the patient of different head sizes, the cover that makes the overhead guard can be accurate is at patient's top of the head, further spacing fixed to patient's head, it is more stable to make between head stabilizing mean and the patient's head fix, the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic structural view of an oral examination illumination mechanism according to embodiment 1;

FIG. 3 is an exploded view of the telescopic rod of embodiment 1;

FIG. 4 is a schematic view of the fixing bar structure of embodiment 1;

FIG. 5 is a schematic view of a regulating plate structure according to embodiment 1;

FIG. 6 is an exploded view of the lamp according to embodiment 1;

FIG. 7 is a schematic view showing the structure of the head stabilizing mechanism according to embodiment 1;

FIG. 8 is a schematic view of the structure of a fixing bracket according to embodiment 1;

FIG. 9 is a schematic view of the head restraint device according to embodiment 1;

FIG. 10 is a schematic structural view of a limiting slider in embodiment 1;

fig. 11 is a partial schematic view of the structure of the tying band of embodiment 1.

The various reference numbers in the figures mean:

100. an oral examination illumination mechanism;

110. fixing the rod; 111. an adjustment groove; 112. adjusting the screw rod; 1120. adjusting the turntable;

120. an illuminating lamp; 121. a hose; 122. an adjusting plate; 1220. adjusting the screw hole; 123. a convex lens; 124. a communication frame; 125. a slider; 126. pulling a plate;

130. a telescopic rod; 131. a connecting rod; 132. a movable rod; 1320. a screw hole; 133. fastening a bolt;

200. a head stabilizing mechanism;

210. fixing a bracket; 211. a moving groove; 2111. moving the screw rod; 2112. moving the sliding rod; 2113. moving the turntable; 212. a limiting groove; 2121. a limiting slide bar; 2122. a limiting screw rod; 2123. a limiting turntable; 213. a limiting sliding plate; 2131. a slide hole; 2132. limiting screw holes; 2133. a Chinese character 'ri' button;

220. a binding band; 221. a sub-magic tape; 222. female magic tape;

230. a head limiting device; 231. a head cap; 232. a support bar; 233. moving the plate; 2331. moving the screw hole; 2332. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 11, the present embodiment provides a head-stabilized illumination device for dental examination, which at least includes:

the oral examination illuminating mechanism 100 comprises a fixed rod 110, an adjusting groove 111 is formed on the surface of the fixed rod 110, an adjusting screw rod 112 is rotatably arranged in the adjusting groove 111, the end part of the adjusting screw rod 112 rotatably extends out of the adjusting groove 111 and is connected with an adjusting turntable 1120, the adjusting turntable 1120 is held and rotated to drive the adjusting screw rod 112 to rotate in the adjusting groove 111, so that the adjusting screw rod 112 can rotate more easily and conveniently, an illuminating lamp 120 is arranged on the inner surface of the fixed rod 110 in a sliding manner, a hose 121 is arranged at the end part of the illuminating lamp 120, the illuminating lamp 120 can be conveniently twisted at will by arranging the hose 121, the illuminating angle of the illuminating lamp 120 can be conveniently adjusted in multiple directions, the practicability is stronger, the examination effect is improved, an adjusting plate 122 is fixedly connected to the end part of the hose 121, an adjusting screw hole 1220 is formed in the surface of the adjusting plate 122, and the inside of the adjusting screw hole 1220 is in threaded fit connection with the outer wall of the adjusting screw rod 112, when the adjusting screw rod 112 rotates, the inner part of the adjusting screw hole 1220 on the surface of the adjusting plate 122 can slide along the threads on the outer wall of the adjusting screw rod 112, so that the illuminating lamp 120 can be driven to slide left and right on the inner surface of the fixing rod 110, the illuminating lamp 120 can conveniently irradiate different positions of the oral cavity, the comprehensive examination is facilitated, the practicability is stronger, and the inner surfaces of the fixing rod 110 close to the two ends are provided with the telescopic rods 130;

oral cavity inspection lighting mechanism 100 in this embodiment is when specifically using, can be located between two telescopic links 130 patient's oral area, make dead lever 110 be located patient oral cavity directly over, then hold regulation carousel 1120 and rotate, can drive accommodate the lead screw 112 and rotate inside adjustment tank 111, can make the inside screw thread slip along accommodate the lead screw 112 outer wall of accommodate the lead screw 1220 on regulating plate 122 surface, thereby can drive light 120 and slide in dead lever 110 internal surface side to side, make light 120 shine the different positions in oral cavity, can twist hose 121 simultaneously and adjust the angle that light 120 shines, it is more accurate to make medical personnel inspect patient oral cavity.

The head stabilizing mechanism 200, the head stabilizing mechanism 200 includes two symmetrical fixing brackets 210, the inner surfaces of the two fixing brackets 210 near the end are respectively fixedly connected with the outer surfaces of the two telescopic rods 130 near the end, it is ensured that the head stabilizing mechanism 200 and the oral cavity examination illuminating mechanism 100 are connected and fixed, the oral cavity examination illuminating mechanism 100 is conveniently fixed on the head of a patient, shaking caused by irradiation of a hand holding the illuminating lamp 120 is avoided, the examination of the oral cavity is not facilitated, a limit groove 212 is formed on the front surface of the fixing bracket 210, limit sliding plates 213 are all slidably arranged in the limit groove 212, one end of the limit sliding plate 213 is fixedly connected with a Chinese character buckle 2133, the other end of the limit sliding plate 213 is fixedly connected with a binding belt 220, the size of the cross section of the binding belt 220 is matched with the size of the inside of the Chinese character buckle 2133, and the outer surface of the binding belt 220 is respectively provided with a sub magic tape 221 and a mother magic tape 222, sub-magic subsides 221 adopts soft tiny fibre, female magic subsides 222 adopts the thorn hair of harder area hook, sub-magic subsides 221 and female magic subsides 222 surface bonding cooperation, can pass inside the letter button 2133 with tying 220 tip, then pull and tie 220, make sub-magic subsides 221 and female magic subsides 222 surface bonding cooperation, tie 220 and bind spacingly in patient's forehead department to tying, thereby can fix head stabilizing mean 200 at patient's head, make stable the fixing at patient's head of oral examination illuminating mechanism 100, be favorable to checking the effect.

When the head stabilizing mechanism 200 in this embodiment is used specifically, the head of a patient is positioned between the two fixing brackets 210, then the end of the binding band 220 is inserted into the buckle 2133, then the binding band 220 is pulled to make the surface of the male hook and loop fastener 221 and the surface of the female hook and loop fastener 222 adhere and cooperate, and the binding band 220 is bound and limited at the forehead of the patient, so that the head stabilizing mechanism 200 can be fixed on the head of the patient, the oral examination illuminating mechanism 100 is stably fixed on the head of the patient, and then the illuminating lamp 120 irradiates a light beam to perform examination in the oral cavity of the patient.

In this embodiment, the telescopic link 130 includes the connecting rod 131, the connecting rod 131 tip fixed connection fixed bolster 210 is close to the internal surface of tip, the inside slip of connecting rod 131 is provided with the movable rod 132, the inside fixed connection dead lever 110 of movable rod 132 is close to the internal surface of tip in the slip of movable rod 132 tip, push-and-pull movable rod 132, make movable rod 132 lower extreme slide in connecting rod 131 inside, thereby conveniently adjust the whole length of telescopic link 130, conveniently adjust the distance of dead lever 110 to patient's oral cavity, thereby make light 120 transmission light shine patient's oral cavity and more be fit for the inspection, the practicality is stronger, improve oral cavity inspection effect.

Specifically, the outer wall of the connecting rod 131 close to the end is connected with the fastening bolt 133 through threads, the outer wall of the movable rod 132 is provided with a plurality of screw holes 1320 at equal intervals, the screw holes 1320 are connected with the outer wall of the fastening bolt 133 through threads in a matched mode, when the upper end of the movable rod 132 slides out for a certain distance, the end of the fastening bolt 133 is aligned to one of the screw holes 1320 to be screwed, the outer wall of the fastening bolt 133 slides along the inner diameter of the screw hole 1320, so that the connecting rod 131 and the movable rod 132 are fixedly connected, the movable rod 132 is prevented from sliding randomly, and the structural integrity is ensured.

Wherein, the inner chamber that light 120 is close to the tip slides and is provided with convex lens 123, convex lens 123 outer wall fixedly connected with slider 125, light 120 outer wall intercommunication has the intercommunication frame 124 of two symmetries, intercommunication frame 124 is "mouth" style of calligraphy, convex lens 123 mainly plays the convergence effect to light, slide at light 120 inner chamber through convex lens 123, make the distance that changes convex lens 123 and light 120 inner chamber lamp pearl, adjust the spotlight scope, convex lens 123 is close to light 120 light and disperses more, light beam luminance is lower, otherwise light gathers more, light beam luminance is higher, make things convenient for medical personnel to change the power of light beam, thereby the convenience is to the inside illumination that carries out the detail in the oral cavity, the practicality is stronger.

It is worth to say that the inside size of the communicating frame 124 is matched with the size of the sliding block 125, the sliding block 125 is slidably disposed inside the communicating frame 124, the end portion of the sliding block 125 is fixedly connected with the pulling plate 126, the pulling plate 126 slides on the outer surface of the communicating frame 124, the pulling plate 126 is held to slide left and right, and the sliding block 125 slides inside the communicating frame 124, so that the convex lens 123 is driven to slide left and right inside the illuminating lamp 120, and the illuminating lamp is convenient to operate and convenient to adjust at any time.

Furthermore, the side walls of the two fixing brackets 210 are both provided with a moving groove 211, a moving sliding rod 2112 and a moving screw 2111 are respectively arranged in the two moving grooves 211, the moving screw 2111 rotates in the moving groove 211, the end part of the moving screw 2111 rotates to extend out of the moving groove 211 and is fixedly connected with a moving turntable 2113, the moving turntable 2113 is held to rotate, the moving screw 2111 can be driven to rotate in the moving groove 211, and the operation is convenient.

Specifically, the head limiting device 230 is arranged between the two moving grooves 211 in a sliding manner, the head limiting device 230 comprises a head top cover 231, two symmetrical supporting rods 232 are arranged on the outer wall of the head top cover 231, a moving plate 233 is arranged at the end of each supporting rod 232, a patient can place the head between the two supporting rods 232, the head of the patient is supported inside the head top cover 231, the head of the patient can be further limited and fixed, and the head stabilizing mechanism 200 and the head of the patient are fixed more stably.

Furthermore, the surfaces of the two moving plates 233 are respectively provided with a moving wire hole 2331 and a through hole 2332, the through hole 2332 slides on the outer wall of the moving slide bar 2112, the inside of the moving wire hole 2331 is in threaded fit with the outer wall of the moving screw stem 2111, when the moving screw stem 2111 rotates, the inside of the moving wire hole 2331 on the surface of the moving plate 233 can be driven to slide along the threads on the outer wall of the moving screw stem 2111, so that the through hole 2332 slides on the outer wall of the moving slide bar 2112, the operation is convenient, the length of the supporting rod 232 extending out of the two fixing supports 210 can be changed, the adjustment for patients according to different head sizes is convenient, the head top cover 231 can be accurately covered on the head of the patient, and the practicability is stronger.

In addition, a limiting slide rod 2121 and a limiting screw rod 2122 are respectively arranged in the two limiting grooves 212, the limiting screw rod 2122 rotates in the limiting groove 212, the end of the limiting screw rod 2122 rotates to extend out of the limiting groove 212 and is fixedly connected with a limiting rotary disc 2123, the limiting rotary disc 2123 is held to rotate, the limiting screw rod 2122 can be driven to rotate in the limiting groove 212, and the operation is convenient.

Specifically, two spacing skateboards 213 surfaces are provided with slide opening 2131 and spacing silk hole 2132 respectively, slide opening 2131 slides at spacing slide bar 2121 outer wall, the inside and spacing lead screw 2122 outer wall screw-thread fit connection of spacing silk hole 2132, when spacing lead screw 2122 rotates, make the inside screw thread slip along the spacing lead screw 2122 outer wall of spacing silk hole 2132 on spacing skateboard 213 surface, thereby drive two spacing skateboards 213 and slide respectively inside two spacing grooves 212, conveniently adjust the distance of tying the area 220, thereby can be according to patient's head type, make accurate the tying of tying the area 220 at patient's forehead department, the practicality is stronger.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.