CN219713285U - Medical bow-shaped wearing head lamp - Google Patents

Abstract

The utility model relates to the field of medical examination apparatuses, in particular to a medical bow-shaped wearing head lamp, which comprises a head wearing mechanism, a lamp shooting and amplifying module, a touch control module and a power supply module, wherein the head wearing mechanism comprises a fixed bracket, an adjusting bracket and an adjusting assembly, the fixed bracket is movably connected with the adjusting bracket, the telescopic length of the adjusting bracket relative to the fixed bracket is adjusted through the adjusting assembly, and the lamp shooting and amplifying module is arranged at the tail end of the fixed bracket through a rotating mechanism; the fixed support and the adjusting support are both provided with a wiring cavity, and the touch control module passes through the wiring cavity through a wire and is electrically connected with the light shooting amplifying module. The user can realize the luminance of touch control adjustment light through touch control module, can keep whole head-mounted equipment wearing position, has also avoided the off normal of light simultaneously. In addition, the wire line is hidden, so that the aging of the wire line can be delayed and the service life of the line can be prolonged by maintaining the overall attractive debugging of the equipment.

Description

Medical bow-shaped wearing head lamp

Technical Field

The utility model relates to the field of medical examination instruments, in particular to a medical bow-shaped wearing head lamp.

Background

The otorhinolaryngology department is one of departments of a hospital, and mainly aims at diagnosing and treating patients suffering from otorhinolaryngology diseases, and in the diagnosing process, the otorhinolaryngology of the patients needs to be checked, so that auxiliary devices are needed, the devices can help doctors to diagnose the patients, the head-mounted medical inspection lamp is used as auxiliary illumination, and the device is widely applied to medical inspection and operation, particularly in oral cavity and surgical operation, the optical head-mounted inspection lamp and the magnifying glass are combined for application, so that a clearer visual field can be obtained, and the diagnosis and treatment environment is greatly improved;

however, the existing auxiliary device for otorhinolaryngological examination in the market at present has a plurality of defects, such as: chinese patent, publication No.: CN107701955a discloses a medical headlight, wherein the medical headlight in this patent has the following drawbacks: 1. the adjustment of the luminosity is needed to be carried out by a physical mechanical key, and unnecessary vibration can occur due to the fact that an internal spring is pressed down to cause deflection of a front lens due to the vibration; 2. in addition, the whole circuit of the medical head lamp is communicated with the lead through the copper sheet, but the copper sheet and the lead are exposed outside the equipment, so that the beauty is very affected, and meanwhile, the circuit is not protected, so that the problems of ageing, poor contact and the like are easily caused.

Disclosure of Invention

In order to solve the problems, the utility model provides the medical bow-shaped wearing head lamp, a user can realize touch control to adjust the brightness of the head lamp through the touch control module, the wearing position of the whole head-mounted equipment can be kept, and meanwhile, the deviation of the head lamp is avoided. In addition, the wire line is hidden, so that the aging of the wire line can be delayed and the service life of the line can be prolonged by maintaining the overall attractive debugging of the equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the medical bow-shaped wearing head lamp comprises a head wearing mechanism, a lamp shooting amplifying module, a touch control module and a power supply module, wherein the head wearing mechanism comprises a fixed bracket, an adjusting bracket and an adjusting assembly, the fixed bracket is movably connected with the adjusting bracket, and the telescopic length of the adjusting bracket relative to the fixed bracket is adjusted through the adjusting assembly; the touch control module and the power supply module are both assembled at the tail end of the adjusting bracket, and the light shooting and amplifying module is arranged at the tail end of the fixing bracket through the rotating mechanism; the fixed support and the adjusting support are both provided with a wiring cavity, the power supply module is electrically connected with the touch control module, and the touch control module passes through the wiring cavity through a wire and is electrically connected with the light shooting amplifying module.

As a further preferable scheme, a jack is arranged on the end face, close to the adjusting bracket, of the fixing bracket, and the telescopic end of the adjusting bracket slides and stretches into the jack; the adjusting assembly comprises a knob, a rotary table and a storage groove arranged on the surface of the fixed support, wherein a circle of ratchet is arranged on the inner wall of the storage groove, the rotary table is assembled in the storage groove, a pawl on the rotary table is meshed with the ratchet, the knob drives the rotary table to rotate through a limit column, the knob drives the pawl to retract and separate from the ratchet through an unlocking column, and the rotary table rotates to drive the adjusting support to slide and adjust the telescopic length of the adjusting support relative to the fixed support.

As a further preferable scheme, an elastic arm is arranged on the turntable, the pawl is positioned on the elastic arm, and the unlocking post is movably inserted into the elastic arm; the elastic arms are in a hook-shaped bending shape, the number of the elastic arms is two, and the elastic arms are arranged at intervals around the center of the turntable.

As a further preferable scheme, a waist-shaped limiting hole is formed in the rotary table, and the limiting column is movably inserted into the limiting hole.

As a further preferable scheme, a gear is fixedly and coaxially connected to the turntable, the gear is positioned in the jack, a rack is arranged at the telescopic end of the adjusting bracket, and the rack slides into the jack and is meshed with the gear; the rack is annular and integrally formed with the adjusting bracket, and gear teeth of the rack are positioned on one inner wall of the rack.

As a further preferable scheme, the front end of the fixed support is provided with a fitting notch, the rotating mechanism comprises a fitting support, damping bearings are respectively arranged on two sides of the triggering block positioned at the end part of the fitting support, and the triggering block is movably fitted in the fitting notch by penetrating the damping bearings and the fitting notch through a rotating shaft.

As a further preferable scheme, the front end of the fixed bracket is also provided with a micro switch electrically connected with the light shooting and amplifying module, and the touch control module passes through the adjusting bracket and the wiring cavity of the fixed bracket through a lead and is electrically connected with the light shooting and amplifying module; the assembling bracket turns upwards around the rotating shaft, and the trigger block extrudes the trigger reed of the micro switch.

As a further preferable scheme, the jack of the fixed support is far away from a fixed terminal arranged on the inner wall of the knob, a sliding terminal is fixed at the bottom of the rack of the adjusting support, the contact spring piece of the sliding terminal elastically presses the fixed terminal, the fixed terminal passes through a wiring cavity in the fixed support through a wire and is electrically connected with the micro switch, and the adjusting terminal passes through the wiring cavity of the adjusting support through the wire and is electrically connected with the touch control module.

As a further preferable scheme, the forehead support further comprises a forehead support plate, an adjusting block is convexly arranged on the back surface of the forehead support plate, an adjusting groove corresponding to the adjusting block is further formed in the inner side of the fixed support, an elastic piece is arranged at the bottom end of the adjusting groove, the adjusting block is movably arranged in the adjusting groove and is tightly attached to the elastic piece, and the adjusting block moves in the direction away from the adjusting groove under the action of the elastic piece; the regulating groove bottom is also provided with a limit sleeve, the surface of the forehead protection plate is provided with a slot penetrating along the axial direction of the regulating block, the tail of the limit bolt penetrates through the slot and is connected with the limit sleeve, and the regulating block is tightly attached to the head of the limit bolt under the action of the elastic piece and realizes limit.

As a further preferable scheme, the touch control module comprises a control chip assembly and a touch control panel, wherein the power supply module is respectively connected with the control chip assembly and the touch control panel and realizes power supply, and a plurality of touch control keys are arranged on the touch control panel.

The utility model has the beneficial effects that: the user can realize the luminance of touch control adjustment light through touch control module, and the mode that adopts the touch is adjusted luminance and is not had the vibration that the physical button brought for realizing the adjustment by the physical button for among the conventional art, then can keep whole head-mounted device wearing position, has also avoided the off normal of light simultaneously.

In addition, the fixed support and the adjusting support are both provided with the wiring cavity, wherein the power supply module is electrically connected with the touch control module, and the touch control module passes through the wiring cavity through a wire and is electrically connected with the light shooting amplifying module; the wire line can be hidden, so that the aging of the wire line can be delayed and the service life of the line can be prolonged by adjusting the whole attractive appearance of the equipment.

Drawings

FIG. 1 is a schematic view of a magnifier assembly according to the present utility model.

FIG. 2 is a schematic view of another magnifier assembly according to the present utility model.

FIG. 3 is a schematic diagram of a configuration of the present utility model employing two magnifier assemblies simultaneously.

FIG. 4 is a perspective view of an adjustment assembly of the medical bow-worn headlamp of the present utility model;

FIG. 5 is an exploded perspective view of an adjustment assembly of the medical bow-worn headlamp of the present utility model;

FIG. 6 is a partially exploded perspective view of an adjustment assembly of the medical bow-worn headlamp of the present utility model;

FIG. 7 is a partially exploded perspective view of the adjustment assembly of the medical bow-worn headlamp of the present utility model in an extended state;

FIG. 8 is an enlarged cross-sectional view of the combination of the knob, dial and ratchet of the present utility model;

FIG. 9 is a partially exploded perspective view of the adjustment assembly of the medical bow-worn headlamp of the present utility model in an extended state;

FIG. 10 is a schematic structural view of an adjustment bracket of the present utility model;

fig. 11 is a schematic structural view of the fixing bracket and the knob of the present utility model.

Fig. 12 is a schematic structural view of the assembly of the fixing bracket and the forehead plate according to the utility model.

Fig. 13 is a schematic structural view of the forehead shield.

Fig. 14 is a schematic view of another view of the forehead plate.

Fig. 15 is a schematic view of the internal structure of the fixing bracket.

Fig. 16 is a schematic view of the structure of the inside of the fixing bracket from another view angle.

Fig. 17 is a schematic diagram of the operation principle of the trigger block and the micro switch.

Reference numerals illustrate: 1. a fixed bracket; 11. a ratchet; 12. a jack; 13. fixing the wiring groove; 14. a fixed bracket slot cover plate; 15. an adjustment tank; 16. a limit sleeve; 17. an elastic member; 18. a limit bolt; 2. adjusting the bracket; 21. adjusting the wiring groove; 22. adjusting a bracket wire slot cover plate; 23. a rack; 111. a connection end; 112. fixing the slot position; 3. a knob; 31. a turntable; 311. an elastic arm; 3111. a pawl; 312. a limiting hole; 32. a gear; 33. a limit column; 34. unlocking the column; 35. a knob cover; 4. a forehead protection plate; 41. an adjusting block; 42. slotting; 43. a relief groove; 5. a rotation mechanism; 51. assembling a bracket; 511. a trigger block; 52. a rotating shaft; 53. a fitting notch; 54. damping bearings; 55. a micro-switch; 61. a lighting lamp group; 62. a magnifying glass assembly; 7. a fixed terminal, 8, a sliding terminal; 81. and the contact spring piece.

Detailed Description

Referring to fig. 1-17, the utility model relates to a medical bow-shaped wearing head lamp, which comprises a head wearing mechanism, a lamp shooting and amplifying module, a touch control module and a power supply module, wherein the head wearing mechanism comprises a fixed bracket 1, an adjusting bracket 2 and an adjusting assembly, the fixed bracket 1 is movably connected with the adjusting bracket 2, and the telescopic length of the adjusting bracket 2 relative to the fixed bracket 1 is adjusted through the adjusting assembly; the touch control module and the power supply module are both assembled at the tail end of the adjusting bracket 2, and the light shooting and amplifying module is arranged at the tail end of the fixed bracket 1 through the rotating mechanism 5; the fixed support 1 and the adjusting support 2 are respectively provided with a wiring cavity, wherein the power supply module is electrically connected with the touch control module, and the touch control module passes through the wiring cavities through wires and is electrically connected with the light shooting amplifying module.

The user can realize the luminance of touch control adjustment light through touch control module, and the mode that adopts the touch is adjusted luminance and is not had the vibration that the physical button brought for realizing the adjustment by the physical button for among the conventional art, then can keep whole head-mounted device wearing position, has also avoided the off normal of light simultaneously.

In addition, the fixed support 1 and the adjusting support 2 are provided with wiring cavities, wherein the power supply module is electrically connected with the touch control module, and the touch control module passes through the wiring cavities through a wire and is electrically connected with the light shooting amplifying module; the wire line can be hidden, so that the aging of the wire line can be delayed and the service life of the line can be prolonged by adjusting the whole attractive appearance of the equipment.

As a further preferable scheme, the end face of the fixed bracket 1, which is close to the adjusting bracket 2, is provided with an inserting hole 12, and the telescopic end of the adjusting bracket 2 slides into the inserting hole 12; the adjusting component comprises a knob 3, a rotary table 31 and a containing groove arranged on the surface of the fixed support 1, wherein a circle of ratchet 11 is arranged on the inner wall of the containing groove, the rotary table 31 is assembled in the containing groove, a pawl 3111 on the rotary table 31 is meshed with the ratchet 11, the knob 3 drives the rotary table 31 to rotate through a limit column 33, the knob 3 drives the pawl 3111 to retract inwards and separate from the ratchet 11 through an unlocking column 34, and the rotary table 31 rotates to drive the adjusting support 2 to slide and adjust the telescopic length of the adjusting support 2 relative to the fixed support 1.

Referring to fig. 5, 6 and 11, the fixing support 1 is in a curved strip-shaped casing, a fixing wire slot 13 is disposed at the bottom of the fixing support 1, and a fixing support wire slot cover 14 is disposed at the opening of the fixing wire slot 13, so that a wire cavity inside the fixing support 1 is formed between the fixing wire slot 13 and the fixing support wire slot cover 14. The end of the fixed support 1, which is close to the adjusting support 2, is a plugging end, the end of the fixed support 1, which is far away from the adjusting support 2, is a connecting end 111, wherein the connecting end 111 of the fixed support 1 is hinged with the light-shooting amplifying module through a rotating mechanism 5, the plugging end of the fixed support 1 is cuboid and is used for plugging with the adjusting support 2, in the utility model, a ratchet 11 is positioned at the top of the plugging end of the fixed support 1 and is integrally formed with the fixed support 1, the ratchet 11 is annular, the gear teeth of the ratchet 11 are positioned on an inner ring, an inserting hole 12 is arranged on the end surface of the fixed support 1, which is close to the adjusting support 2, two fixed terminals 7 are arranged on the inner wall of the inserting hole 12, which is far away from the knob 3, the electric contact part of each fixed terminal 7 is in a strip-shaped plate shape, and one end of each fixed terminal 7, which is close to the fixed support 1, forms a welding angle, so that the two fixed terminals 7 can be welded with a wire accommodated in the fixed wiring groove 13, and electric connection is realized.

Referring to fig. 5, 6 and 10, the adjusting bracket 2 is in a shape of a curved bar-shaped housing, an adjusting wire slot 21 is disposed at the bottom of the adjusting bracket 2, and an adjusting bracket wire slot cover plate 22 is disposed at the opening of the adjusting wire slot 21, so that a wire cavity inside the adjusting bracket 2 is formed between the adjusting wire slot 21 and the adjusting bracket wire slot cover plate 22. The utility model discloses a power supply device, which comprises a fixed support 1, an adjusting support 2, a power supply module and a touch control module, wherein one end, close to the fixed support 1, of the adjusting support 2 is a telescopic end, one end, far away from the fixed support 1, of the adjusting support 2 is a power supply end, in the utility model, the power supply end of the adjusting support 2 is in a shell shape and is accommodated with the power supply module and the touch control module, the power supply module is electrically connected with the touch control module, the telescopic end of the adjusting support 2 is provided with a rack 23, the rack 23 is annular and is integrally formed with the adjusting support 2, gear teeth of the rack 23 are positioned on one inner wall of the rack 23, in order to enable the adjusting support 2 to be electrically connected with the fixed support 1, two sliding terminals 8 are fixed at intervals at the bottom of the rack 23, one end bottom of each sliding terminal 8 far away from the power supply end is downwards inclined and extends with a contact spring 81, the two contact springs 81 are electrically connected with the touch control module through wires in an adjusting wiring groove 21, when the rack 23 of the telescopic end of the adjusting support 2 stretches into a jack 12 of the fixed support 1, the sliding terminals 8 are positioned above the fixed terminals 7, the contact spring 81 of the two sliding terminals 8 are elastically correspond one by one to one, and slide against two sliding contact spring tabs 7 in the jack 12 are always kept electrically connected with two sliding terminals 7.

Referring to fig. 5, 7, 8 and 9, in the present utility model, the number of the limiting posts 33 and the unlocking posts 34 is preferably two, the two limiting posts 33 and the two unlocking posts 34 are respectively spaced apart and vertically fixed on the inner end surface of the knob 3, specifically, the two limiting posts 33 and the two unlocking posts 34 are staggered, two kidney-shaped limiting holes 312 are alternately arranged on the turntable 31, the two limiting holes 312 are symmetrically arranged, two opposite ends of the turntable 31 are respectively provided with an elastic arm 311, each elastic arm 311 is in a hook-shaped curved shape and forms a hook-shaped opening, the two elastic arms 311 are alternately arranged around the center of the turntable 31 at a circle, the outer side of each elastic arm 311 extends outwards to form a pawl 3111, the two limiting posts 33 are movably inserted into the two limiting holes 312 in a one-to-one correspondence manner, the two unlocking posts 34 are movably inserted into the hook-shaped openings of the two elastic arms 311 one-to-one, a gear 32 is fixedly and coaxially connected to the turntable 31, the gear 32 is positioned right below the turntable 31 and is accommodated in the jack 12, the gear 23 can slidably extend into the jack 12, the gear 32 is inserted into the jack 23, and the top of the rack 23 is provided with a gear cover 35 which is engaged with the knob 3.

Referring to fig. 1 to 17, the operating principle of the adjusting assembly of the medical bow-worn headlamp of the present utility model is:

when the knob 3 is manually reversed (anticlockwise), the knob 3 utilizes the two unlocking posts 34 to respectively drive the two elastic arms 311 on the rotary table 31 to elastically deform inwards, so that the two pawls 3111 shrink inwards and are separated from the ratchet 11, the pawls 3111 are unlocked, the rotary table 31 is further rotated anticlockwise, the gear 32 is rotated anticlockwise, the gear 32 drives the rack 23 to slide outwards, the adjusting bracket 2 stretches, the knob 3 is loosened, the two elastic arms 311 are elastically deformed to promote the two pawls 3111 to reset (namely, the two pawls 3111 are meshed with the ratchet 11), and at the moment, the rotary table 31 cannot be rotated anticlockwise due to unidirectional shape of the meshing of the pawls 3111 and the ratchet 11, so that the adjusting bracket 2 cannot be manually pulled outwards;

when the knob 3 is manually rotated forward (clockwise), the knob 3 drives the rotary disk 31 to rotate clockwise by using the two limit posts 33, the two pawls 3111 of the rotary disk 31 are engaged with the inner teeth of the ratchet 11, meanwhile, the rotary disk 31 drives the gear 32 to rotate clockwise, the gear 32 drives the rack 23 to slide towards the inside of the insertion hole 12 of the fixed bracket 1, and the adjusting bracket 2 is shortened, at this time, the rotary disk 31 cannot rotate anticlockwise due to the unidirectional shape of the engagement of the pawls 3111 and the ratchet 11, so that the adjusting bracket 2 cannot be manually pulled out.

According to the adjusting component of the medical bow-shaped wearing head lamp, the knob 3 is manually rotated forward, the limit column 33 on the knob 3 is utilized to drive the rotary table 31 to rotate, so that the pawl 3111 on the rotary table 31 is meshed with the ratchet 11 in a unidirectional mode, the adjusting bracket 2 can be controlled to slide in a unidirectional mode and prevent from moving, the pawl 3111 on the rotary table 31 is driven to retract and separate from the ratchet 11 by the unlocking column 34 on the knob 3 through manual reverse rotation of the knob 3, the pawl 3111 is unlocked, the rotary table 31 can be further rotated to control the adjusting bracket 2 to slide in a reverse mode, the rotary table 31 can be reset by loosening the knob 3, the rotary table 31 can be locked, and the adjusting bracket 2 can be prevented from moving no matter whether the adjusting bracket 2 is extended or shortened relative to the fixed bracket 1, so that the use of medical staff is affected.

In addition, the utility model is also provided with a forehead protection device, as shown in fig. 12-15, which comprises a forehead protection plate 4, wherein the back surface of the forehead protection plate 4 is convexly provided with an adjusting block 41, an adjusting groove 15 corresponding to the adjusting block 41 is arranged in the fixed bracket 1, the bottom end of the adjusting groove 15 is provided with an elastic piece 17, the adjusting block 41 is movably arranged in the adjusting groove 15 and is tightly attached to the elastic piece 17 (compression spring), and the adjusting block 41 moves away from the adjusting groove 15 under the action of the elastic piece 17.

In the utility model, the forehead protection plate 4 is directly in a movable design, and is movably arranged in the adjusting groove 15 through the adjusting block 41 and is tightly attached to the elastic piece 17, so that the forehead protection plate 4 can also move along the direction of the adjusting groove 15, and the counterforce of the elastic piece 17 can ensure that the forehead protection plate 4 is tightly attached to the forehead position of a medical care personnel, thereby avoiding the situation that equipment is detached due to the fact that the attachment is not tight. Therefore, the improvement can be adapted to different medical staff, free expansion and automatic adaptation are realized, and the efficiency is greatly improved.

In the above-mentioned scheme, it is only mentioned that the forehead protection plate 4 can move along the inner direction of the adjusting slot 15 and realize automatic telescopic adaptation, but in order to avoid the adjusting block 41 from falling off the adjusting slot 15, so as to be a further optimized scheme, in the present utility model, the bottom end of the adjusting slot 15 is further provided with a limit sleeve 16, and the surface of the forehead protection plate 4 is provided with a slot 42 penetrating along the axial direction of the adjusting block 41, the tail of the limit bolt 18 passes through the slot 42 and is connected with the limit sleeve 16, the inner wall of the limit sleeve 16 is provided with internal threads, and the outer side wall of the tail of the limit bolt 18 is provided with external threads, and the limit bolt 18 is in threaded connection with the internal threads of the inner wall of the limit sleeve 16 through the external threads. The adjusting block 41 is tightly attached to the head of the limit bolt 18 under the action of the elastic member 17 to realize limit, i.e. the minimum size of the forehead protection plate 4 can be adjusted by adjusting the bolt.

Referring to fig. 13, as a further optimization, the adjusting groove 15 has a rectangular structure, and the cross-sectional shape of the adjusting block 41 is adapted to the rectangular structure, wherein the rectangular structure can effectively avoid the situation that the forehead protection plate 4 rotates and slips.

As a further optimization scheme, the surface of the forehead protection plate 4 is provided with a relief groove 43 aligned with the adjusting block 41, and the limit bolt 18 sequentially passes through the relief groove 43 and the groove 42 of the adjusting block 41. The function of the abdication groove 43 is to avoid the head of the limit bolt 18 from contacting with medical staff, thereby ensuring wearing comfort. As a further optimization scheme, the surface of the forehead protection plate 4 is adhered with a magic tape. The magic tape can be conveniently attached with the cloth, and the cloth can be taken down at any time to be convenient for disinfection and comfortable for wearing.

As a further preferred solution, the front end of the fixed bracket 1 is provided with a fitting notch 53, and the rotating mechanism 5 includes a fitting bracket 51, wherein both sides of the trigger block 511 located at the end of the fitting bracket 51 are provided with damping bearings 54, and the trigger block 511 is movably fitted in the fitting notch 53 by passing the damping bearings 54 and the fitting notch 53 through the rotating shaft 52. The front end of the fixed support 1 is also provided with a micro switch 55 electrically connected with the light shooting and amplifying module, and the touch control module passes through the adjusting support 2 and the wiring cavity of the fixed support 1 through a lead and is electrically connected with the light shooting and amplifying module; the fitting bracket 51 is turned up around the rotation shaft 52, and the trigger block 511 presses the trigger reed of the micro switch 55.

In the utility model, the whole circuit among the light shooting and amplifying module, the power supply module and the touch control module is actually built with a communication loop in advance, and the micro switch 55 realizes the switch of the whole communication loop; when the light shooting and amplifying module is not required to work, a doctor can realize the disconnection of the communication loop by rotating the assembling bracket 51 to enable the trigger block 511 to press the trigger reed of the micro switch 55, namely the light shooting and amplifying module realizes the automatic turning-up closing; when the light-shooting and amplifying module is required to be used, a doctor can rotate the fitting bracket 51 by turning down, namely the trigger block 511 does not press the trigger reed of the micro switch 55, namely the communication loop is communicated; the traditional equipment is characterized in that the lamp group is lighted by means of contact between copper sheets, so that an oxide film appears on the surface of the copper sheets for a long time, and the oxide film can influence the conduction of a circuit, so that the lamp group with poor contact cannot be lighted normally; the whole equipment is more accurate, the micro switch 55 is used for controlling the whole circuit, the problem of poor circuit contact caused by oxidation of copper sheets is avoided, and the whole service life is longer.

In order to better fix the micro switch 55, in order to avoid that the micro switch 55 is deviated to cause that the device cannot work normally during the working process, in this specific embodiment, a fixing slot 112 for fixing the micro switch 55 is arranged on the connecting end 111 of the fixing bracket 1, wherein the micro switch 55 is assembled in the fixing slot 112 and the trigger reed is tightly attached to the trigger block 511. Meanwhile, in order to further fix the position of the micro-switch 55, a limiting block is arranged at the tail end of the wire slot cover plate 14 of the fixed support, and the limiting block is tightly attached to the bottom of the micro-switch 55.

It should be noted that, in this embodiment, the micro switch 55 is a conventional micro switch 55, which includes three pins, corresponding to NC, NO, and COM, where NC represents normal (normally closed), NO represents normal (normally open), and COM represents a common terminal, in this embodiment, the communication circuit is designed to be normally closed, so that the wires are connected to NC and COM, i.e., the touch control module is connected to COM through a wire, and the light-capturing amplifying module end is connected to NC.

In a preferred embodiment, in order to ensure that the doctor can keep the upturned posture of the lighting lamp set 61 from falling after turning up the lighting lamp set 61, in this embodiment, the front end of the fixed support 1 is provided with a fitting notch 53, wherein both sides of the trigger block 511 are provided with damping bearings 54, and the rotation shaft 52 passes through the damping bearings 54 and the fixed support 1, so that the trigger block 511 is fitted in the fitting notch 53, and the damping bearings 54 can ensure that the trigger block is kept stable in position.

As a preferred solution, the light-capturing and amplifying module of the present utility model specifically includes an illumination light set 61 and an amplifying lens assembly 62, where in the present utility model, the amplifying assembly may be in a shape of an ophthalmic lens (see fig. 2) or a shape of a cylindrical eyepiece (see fig. 1); the lens shape and the cylindrical eyepiece shape (see fig. 3) can be used simultaneously, and the illumination lamp set 61 is two illumination lamps placed on the upper surface of the amplifying assembly, one illumination lamp is placed below the amplifying assembly, and 3 illumination lamps are placed in a triangular shape, wherein the illumination directions of the 3 illumination lamps are focused at the same position, so that the condensing intensity can be increased, no shadow exists, and meanwhile, the visual fatigue can be reduced.

As a further preferable scheme, the touch control module comprises a control chip assembly and a touch control panel, wherein the power supply module is respectively connected with the control chip assembly and the touch control panel and realizes power supply, and a plurality of touch control keys are arranged on the touch control panel. In this embodiment, the user can control and adjust the brightness of the lighting lamp by touching the touch control key on the control panel, compared with the adjustment by physical keys in the prior art, the dimming is performed by touching and no vibration is caused by the physical keys, so that the wearing position of the whole head-mounted device can be maintained, and the deviation of the lighting lamp is avoided. It should be noted that, the utility model can also adopt another alternative scheme, namely the touch control module can also adopt a distance switch to replace a touch control key, namely whether the hands of medical staff are close or not is detected through the distance switch, so as to realize the control of dimming; the distance switch is adopted to further realize contactless dimming, so that the wearing position of the whole head-mounted equipment can be kept, and meanwhile, the deflection of the illuminating lamp is avoided.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. A medical bow-shaped wearing head lamp which is characterized in that: the head wearing mechanism comprises a fixed bracket, an adjusting bracket and an adjusting assembly, wherein the fixed bracket is movably connected with the adjusting bracket, and the adjusting length of the adjusting bracket relative to the fixed bracket is adjusted through the adjusting assembly; the touch control module and the power supply module are both assembled at the tail end of the adjusting bracket, and the light shooting and amplifying module is arranged at the tail end of the fixing bracket through the rotating mechanism; the fixed support and the adjusting support are both provided with a wiring cavity, the power supply module is electrically connected with the touch control module, and the touch control module passes through the wiring cavity through a wire and is electrically connected with the light shooting amplifying module.

2. A medical bow-worn headlamp according to claim 1, wherein: the end face, close to the adjusting bracket, of the fixing bracket is provided with an inserting hole, and the telescopic end of the adjusting bracket slides into the inserting hole; the adjusting assembly comprises a knob, a rotary table and a storage groove arranged on the surface of the fixed support, wherein a circle of ratchet is arranged on the inner wall of the storage groove, the rotary table is assembled in the storage groove, a pawl on the rotary table is meshed with the ratchet, the knob drives the rotary table to rotate through a limit column, the knob drives the pawl to retract and separate from the ratchet through an unlocking column, and the rotary table rotates to drive the adjusting support to slide and adjust the telescopic length of the adjusting support relative to the fixed support.

3. A medical bow-worn headlamp according to claim 2, wherein: the rotary table is provided with an elastic arm, the pawl is positioned on the elastic arm, and the unlocking column is movably inserted into the elastic arm; the elastic arms are in a hook-shaped bending shape, the number of the elastic arms is two, and the elastic arms are arranged at intervals around the center of the turntable.

4. A medical bow-worn headlamp according to claim 2, wherein: the rotary table is provided with a kidney-shaped limiting hole, and the limiting column is movably inserted into the limiting hole.

5. The medical bow-shaped wearing head lamp according to claim 2, wherein a gear is fixedly and coaxially connected to the turntable, the gear is positioned in the jack, a rack is arranged at the telescopic end of the adjusting bracket, and the rack slides into the jack and is meshed with the gear; the rack is annular and integrally formed with the adjusting bracket, and gear teeth of the rack are positioned on one inner wall of the rack.

6. The bow-shaped wearing head lamp according to claim 5, wherein the front end of the fixing bracket is provided with a fitting notch, the rotating mechanism comprises a fitting bracket, wherein damping bearings are arranged on two sides of the trigger block positioned at the end of the fitting bracket, and the trigger block is movably fitted in the fitting notch through the damping bearings and the fitting notch by a rotating shaft.

7. The medical bow-shaped wearing head lamp according to claim 6, wherein the front end of the fixed bracket is further provided with a micro switch electrically connected with the light-shooting amplifying module, and the touch control module passes through the adjusting bracket and the wiring cavity of the fixed bracket through a wire and is electrically connected with the light-shooting amplifying module; the assembling bracket turns upwards around the rotating shaft, and the trigger block extrudes the trigger reed of the micro switch.

8. The medical bow-shaped wearing head lamp according to claim 7, wherein a fixing terminal is arranged on the inner wall of the jack of the fixing support, which is far away from the knob, a sliding terminal is fixed at the bottom of the rack of the adjusting support, the contact spring of the sliding terminal elastically presses the fixing terminal, the fixing terminal passes through a wiring cavity in the fixing support through a wire and is electrically connected with the micro switch, and the adjusting terminal passes through the wiring cavity of the adjusting support through the wire and is electrically connected with the touch control module.

9. The medical bow-shaped wearing head lamp according to claim 1, further comprising a forehead protection plate, wherein an adjusting block is convexly arranged on the back surface of the forehead protection plate, an adjusting groove corresponding to the adjusting block is further formed in the inner side of the fixed support, an elastic piece is arranged at the bottom end of the adjusting groove, the adjusting block is movably arranged in the adjusting groove and is tightly attached to the elastic piece, and the adjusting block moves away from the adjusting groove under the action of the elastic piece; the regulating groove bottom is also provided with a limit sleeve, the surface of the forehead protection plate is provided with a slot penetrating along the axial direction of the regulating block, the tail of the limit bolt penetrates through the slot and is connected with the limit sleeve, and the regulating block is tightly attached to the head of the limit bolt under the action of the elastic piece and realizes limit.

10. The medical bow-shaped wearing head lamp according to claim 1, wherein the touch control module comprises a control chip assembly and a touch control panel, wherein the power supply module is connected with the control chip assembly and the touch control panel respectively and supplies power, and a plurality of touch control keys are arranged on the touch control panel.