CN219799887U - Multi-multiplying power head-wearing operation magnifier - Google Patents

Abstract

The utility model relates to a multi-multiplying power head-mounted operation magnifier, which comprises a head-mounted assembly and a magnifier assembly arranged at the front end of the head-mounted assembly; the magnifier assembly comprises a lens barrel assembly; the lens barrel assembly comprises a lens barrel and a zoom disc assembly; the variable-magnification disc assembly comprises a plurality of variable-magnification lenses of which the lens mounting seats are uniformly distributed along the circumferential direction of the lens mounting seats; a zoom disc mounting seat is also arranged in the lens cone; the front of the zoom disc mounting seat is provided with a mounting cavity; an optical path via hole is arranged at the center of the zoom disc mounting seat; the variable-magnification disc assembly is arranged in the mounting cavity and is eccentrically mounted on the variable-magnification disc mounting seat; the variable-magnification disk assembly has a degree of freedom of rotation for enabling each variable-magnification lens to rotate to correspond positively to the optical path via. The multi-multiplying-power head-mounted operation magnifier provided by the utility model has the advantages that the multiplying power is adjustable, the problem that the traditional head-mounted operation magnifier is frequently changed due to incapability of replacing lenses or active adjustment of multiplying power in the use process is solved, and the requirements of various operation scenes are met.

Description

Multi-multiplying power head-wearing operation magnifier

Technical Field

The utility model relates to the field of medical instruments, in particular to a multi-multiplying-power head-mounted operation magnifier.

Background

Surgical instruments refer to medical instruments used in clinical surgery, and in addition to conventional surgical instruments, there are also instruments for specialized use: orthopedics, urology department, gynaecology and obstetrics, burn department, plastic surgery, brain surgery, cardiothoracic surgery, general surgery and the like, the medical magnifier adopts an original optical stereo convergence observation technology, and the binocular vision of an observer is converged in a narrow cavity in a stereo way, so that a bright and amplified three-dimensional view is generated, and a unique stereo deep scene is provided for examination and treatment.

The current operation magnifier is provided with a head-mounted type (The magnifier is fixed by a head band), TTL (short for Lens), namely an eyepiece of The magnifier (a Lens close to an eye part) penetrates Through a carrying eyepiece (a common glass Lens of The spectacles), and a turnover type (Flip-up), namely The magnifier is fixed at The front end of The spectacles in a hinge mode and can be turned up and down. At present, the turnover type operation magnifier is most popular, and is divided into a Galileo type operation magnifier and a Kepler type operation magnifier according to the light path principle.

The traditional head-mounted microscope only has single magnification when in use, and can not replace lenses, so that the traditional head-mounted microscope can not meet the requirement of more complex use scenes.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the multi-multiplying-power head-mounted operation magnifier, the multiplying power is adjustable, the problem that the traditional head-mounted operation magnifier is frequently changed due to incapability of replacing lenses or active adjustment of multiplying power in the use process is solved, and the requirements of various operation scenes are met.

The technical scheme adopted for solving the technical problems is as follows: a multi-magnification head-mounted operation magnifier comprises a head-mounted assembly and a magnifier assembly arranged at the front end of the head-mounted assembly; the magnifier assembly comprises a lens barrel assembly; the lens barrel assembly comprises a lens barrel and a zoom disc assembly; the variable-magnification disc assembly comprises a plurality of variable-magnification lenses of which the lens mounting seats are uniformly distributed along the circumferential direction of the lens mounting seats; a zoom disc mounting seat is also arranged in the lens cone; the front of the zoom disc mounting seat is provided with a mounting cavity; an optical path via hole is formed in the center of the variable-magnification disc mounting seat; the variable-magnification disc assembly is arranged in the mounting cavity and is eccentrically mounted on the variable-magnification disc mounting seat; the variable-magnification disk assembly has a degree of freedom of rotation for enabling each variable-magnification lens to rotate to positively correspond to the light path through hole.

Further, a mounting hole is formed in the position, close to the optical path through hole, of the front end face of the variable-magnification disc mounting seat; a shaft is arranged in the mounting hole; the center of the lens mounting seat is provided with a shaft hole; the variable-magnification disc component is installed in the installation cavity through the assembly of the shaft hole and the shaft.

Furthermore, a locating hole is further formed in the front end face of the zoom disc mounting seat, which is located near the mounting hole; a positioning assembly is arranged in the positioning hole; the positioning component comprises a spring and a marble fixed at the front end of the spring; the rear end face of the lens mounting seat is positioned near the shaft hole and is also provided with a plurality of positioning grooves which are in one-to-one correspondence with a plurality of zoom lenses; the marble is elastically contacted with the positioning groove by a spring, and the variable-magnification lens corresponding to the positioning groove is positively corresponding to the light path through hole when the marble is matched with a certain positioning groove.

Further, the mounting cavity is provided with an opening facing the outer side of the lens barrel; at least a part of the periphery of the variable-magnification disc assembly is exposed at the opening and is used for being stirred by a user to drive the variable-magnification disc assembly to rotate.

Further, the lens barrel further comprises a first barrel body; the variable-magnification disc mounting seat is arranged in the first cylinder body, and the mounting hole is a threaded hole; the shaft comprises a light shaft part and an external thread part arranged at the rear end of the light shaft part; the shaft is screw-fitted with the mounting hole through the male screw portion.

Further, the lens barrel further comprises a second barrel body fixed at the front end of the first barrel body; the mounting cavity is formed between the variable-magnification disc mounting seat and the rear end of the second cylinder; the front end of the optical shaft part of the shaft is provided with an internal thread groove, and the first cylinder body and the second cylinder body are fixed through a cylinder body fixing bolt; the number of the cylinder fixing bolts is at least two; one cylinder fixing bolt passes through the rear end of the second cylinder and then is assembled with the internal thread groove in a threaded manner; the other cylinder fixing bolts penetrate through the rear end of the second cylinder and are directly connected with the first cylinder in a threaded mode.

Further, the lens barrel also comprises an eyepiece rubber ring arranged at the rear end of the first barrel body and a front barrel body arranged at the front end of the second barrel body; an eyepiece lens is arranged at the rear end position in the first cylinder; the front end position of the front cylinder body is provided with an objective lens.

Further, the magnifying glass assembly further comprises a connecting assembly; the connecting assembly comprises a loading frame for loading the lens barrel assembly and a first hinge; one end of the first hinge piece is fixed with the front end of the head-mounted assembly, and the other end of the first hinge piece is fixed with the loading frame; the first hinge is used for enabling a loading frame of the loading lens barrel assembly to be turned up and down relative to the head-mounted assembly.

Further, the first hinge member includes a first connection part fixed to the head-mounted assembly, a second connection part fixed to the loading frame, and a hinge shaft between the first connection part and the second connection part; the first connecting part is provided with a first adjusting notch in the front-rear direction at a position corresponding to the hinge shaft; the second connecting part is provided with a second adjusting notch in the up-down direction at a position corresponding to the hinge shaft; the first hinge further includes a locking knob; the locking knob is used for locking and fixing the first connecting part and the second connecting part.

Further, two lens cone assemblies are arranged on the loading frame left and right; the loading frame is also provided with a pupil distance adjusting component for adjusting the relative distance between the two lens cone components; the pupil distance adjusting assembly comprises an adjusting long hole arranged in the left-right direction of the loading frame and a pupil distance adjusting knob penetrating through the adjusting long hole; a lens cone fixing ring is sleeved on the lens cone; a lens barrel fixing seat is fixed on the lens barrel fixing ring; the top side of the lens barrel fixing seat is provided with a lens barrel fixing threaded hole; the rod part of the pupil distance adjusting knob passes through the adjusting long hole and is in threaded connection with the lens barrel fixing threaded hole of the lens barrel fixing seat.

Further, the head-mounted assembly includes a front mount and a headband; the magnifying glass component is arranged at the front end of the front fixing frame; the left end and the right end of the front fixing frame are respectively and fixedly arranged at the corresponding positions of the head band; the rear side of the headband is provided with a left rear headband part, a right rear headband part, a left upper headband part and a right upper headband part; the tail ends of the left rear head band part and the right rear head band part are provided with rear adjusting assemblies; the left upper head band part tail end and the right upper head band part tail end are provided with top adjusting components.

Further, the magnifier assembly further comprises a headlight and a second hinge; one end of the second hinge member is fixed to the middle region of the loading frame, and the other end of the second hinge member is fixed to the head lamp, so that the head lamp is mounted to the middle region of the loading frame, and the second hinge member has a degree of freedom of turning up and down.

Further, the side surface of the front fixing frame is also provided with a pressure regulating component; the pressure regulating assembly is internally provided with a pressure regulating module, and the pressure regulating assembly is externally provided with a pressure regulating knob; the voltage regulating knob is used for controlling the brightness of the head lamp by regulating the voltage regulating module.

Further, the rear adjusting assembly further comprises a rear adjusting shell sleeved outside the tail end of the left rear head band part and the tail end of the right rear head band part; the rear side of the rear adjusting shell is also fixedly provided with a battery box assembly; the battery box assembly comprises a box body arranged at the rear side of the rear adjusting shell, a battery arranged in the box body and a circuit board connected with the battery; the battery is used for supplying power for the head lamp; and the box body is also provided with an electric quantity display window and a charging port which are connected with the circuit board.

Furthermore, the left rear head band part and the right rear head band part are provided with tooth grooves with tooth parts; the teeth of the left rear head band part and the teeth of the right rear head band part are reversely arranged in respective tooth grooves in the up-down direction, the rear adjusting assembly comprises a first gear arranged between the teeth of the left rear head band part and the teeth of the right rear head band part, and the first gear is respectively meshed with the teeth of the left rear head band part and the teeth of the right rear head band part and is used for stirring the teeth of the left rear head band part and the teeth of the right rear head band part by the first gear when the first gear rotates, so that the left rear head band part and the right rear head band part are driven to move in opposite directions or in opposite directions.

Further, the rear adjusting assembly further comprises a rear adjusting knob arranged at the rear side of the box body, and the rear adjusting knob is fixed with the first gear through a first bolt and used for controlling the first gear to rotate.

Further, the left upper head band part and the right upper head band part are provided with tooth grooves with tooth parts; the teeth of the left upper head band part and the teeth of the right upper head band part are reversely arranged in respective tooth grooves in the front-back direction, the top adjusting component comprises a second gear arranged between the teeth of the left upper head band part and the teeth of the right upper head band part, and the second gear is respectively meshed with the teeth of the left upper head band part and the teeth of the right upper head band part and is used for stirring the teeth of the left upper head band part and the teeth of the right upper head band part by the second gear when the second gear rotates, so that the left upper head band part and the right upper head band part are driven to move in opposite directions or in opposite directions.

Further, the rear adjusting assembly further comprises a top adjusting shell sleeved at the tail end of the left upper head band part and the tail end of the right upper head band part, and a top adjusting knob arranged at the top side of the top adjusting shell, wherein the top adjusting knob is fixed with the second gear through a second bolt and used for controlling the second gear to rotate.

The utility model has the beneficial effects that: in the multi-magnification head-mounted operation magnifier, a magnification-varying disc assembly is adopted to bear a plurality of magnification-varying lenses, and the required magnification-varying lenses are switched to correspond to the light paths of the magnifier assembly through rotation, so that magnification-varying operation is realized; the spring and the marble are matched with the positioning groove arranged at the shaft shoulder of the lens mounting seat, so that the precise positioning of the variable-magnification lens can be realized, and the positive correspondence between the variable-magnification lens and the light path is ensured; mounting the magnifying glass assembly to the front end of the head-mounted assembly through a first hinge; the magnifying glass main body can be turned up and down around the hinge shaft relative to the head-mounted assembly, and the design of the first adjusting notch in the front-back direction and the second adjusting notch in the up-down direction is adopted; the magnifying glass main body can be adjusted in a front-back, up-down moving way relative to the head-mounted assembly, and the state of the magnifying glass main body after adjustment can be maintained through the locking knob, so that the magnifying glass assembly can be adjusted to the optimal posture for a user; after the pupil distance adjusting knob is unscrewed, the lens barrel assembly is driven to move left and right along the adjusting long hole, and after the movement is completed, the lens barrel assembly is adjusted to adapt to users with different pupil distances by screwing the pupil distance adjusting knob; the headlight is designed and matched with the voltage regulating assembly, and the voltage regulating module is regulated by utilizing the voltage regulating knob, so that the switch of the headlight and the brightness and darkness regulation of the light source are realized; the headlight can be controlled to turn up and down through the second hinge piece, so that larger deviation of the irradiation part caused by the fact that the light source and a user are staggered can be avoided; through the design of the rear adjusting component and the top adjusting component, the head-mounted component can be adjusted to different sizes by utilizing the adjustment of the rear adjusting knob and the top adjusting knob, and the head-mounted component can be suitable for different users, so that the head of the user can be attached to the head of the user to achieve a comfortable and reliable effect; the battery box component is internally provided with a battery, so that energy can be provided for the head lamp; the head lamp light source with the adjustable brightness has the advantages that the head lamp light source is compact in overall structure and reasonable in design, adjustment of multiple multiplying powers can be provided, the problem that the traditional head-mounted operation magnifier is worn is solved, in the use process, the situation that the lens cannot be replaced or the light source brightness cannot be adjusted actively, the magnification ratio is unsuitable, the light source brightness is too strong or too dark and the like often occurs, discomfort of eyes of a user is caused, normal operation is seriously affected, and the requirements of various operation scenes are met.

Drawings

FIG. 1 is a perspective view of a multi-magnification head mounted surgical magnifier according to one embodiment;

FIG. 2 is a perspective view of a barrel assembly of a multi-magnification head mounted surgical magnifier according to one embodiment;

fig. 3 is a perspective view showing an internal structure of a lens barrel assembly of a multi-magnification head-mounted operation magnifier according to an embodiment;

FIG. 4 is a perspective view of a variable magnification disc assembly of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 5 is a perspective view of the shaft of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 6 is a perspective view of a positioning assembly of a multi-magnification head mounted surgical magnifier according to one embodiment;

FIG. 7 is a schematic left view showing the internal structure of a barrel assembly of a multi-magnification head-mounted surgical magnifier according to one embodiment;

FIG. 8 is a perspective view of a magnifying glass assembly of a multi-magnification head-mounted surgical magnifier according to one embodiment;

FIG. 9 is a schematic perspective view of a first articulation of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 10 is a schematic top view of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 11 is a perspective view of a rear adjustment assembly and battery compartment assembly of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 12 is an exploded view of a rear adjustment assembly and battery compartment assembly of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 13 is a schematic perspective view of a top adjustment assembly of a multi-magnification head mounted surgical loupe of an embodiment;

FIG. 14 is an exploded view of a top adjustment assembly of a multi-magnification head mounted surgical loupe of an embodiment;

the device comprises a 1-magnifying glass assembly, a 2-head-mounted assembly, a 3-battery box assembly and a 4-voltage regulating assembly; 11-connection assembly, 12-barrel assembly, 13-headlight; 111-a loading frame, 112-a first hinge, 113-an adjusting long hole, 114-a pupil distance adjusting knob; 1121-first connection, 1122-second connection, 1123-hinge shaft, 1124-locking knob, 1125-first adjustment notch, 1126-second adjustment notch; 121-lens cone, 122-variable magnification disc assembly, 123-shaft, 124-positioning assembly, 125-cylinder fixing bolt; 1211-a zoom disc mounting seat, 1212-a first cylinder, 1213-a second cylinder, 1214-an eyepiece rubber ring, 1215-a front cylinder, 1216-a lens barrel fixing ring, 1217-a lens barrel fixing seat and 1218-an opening; 12111-optical path via hole, 12112-mounting hole, 12113-positioning hole; 1221-a lens mounting base, 1222-a variable power lens, 1223-a shaft hole, 1224-a positioning groove and 1225-a rubber sleeve; 1231-optical axis part, 1232-external screw part, 1233-internal screw groove; 1241-marble, 1242-spring; 131-a second hinge; 21-front mount, 22-headband, 23-rear adjustment assembly, 24-top adjustment assembly; 221-front headband portion, 222-left rear headband portion, 223-right rear headband portion, 224-left upper headband portion, 225-right upper headband portion, 226-gullet; 231-rear adjustment housing, 232-rear adjustment knob, 233-first gear, 234-first bolt; 241-top adjustment housing, 242-top adjustment knob, 243-second gear, 244-second bolt; 31-box body, 32-battery, 33-circuit board, 34-electric quantity display window and 35-charging port; 41-pressure regulating knob.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples

Referring to fig. 1 to 14, the present embodiment provides a multi-magnification head-mounted operation magnifier, which includes a head-mounted assembly 2 and a magnifier assembly 1 mounted at the front end of the head-mounted assembly 2; the magnifier assembly 1 comprises a lens barrel assembly 12; the lens barrel assembly 12 comprises a lens barrel 121 and a variable magnification disc assembly 122; the variable magnification disk assembly 122 comprises a plurality of variable magnification lenses 1222 uniformly distributed along the circumference of a lens mount 1221; a magnification-varying disc mounting seat 1211 is also arranged in the lens barrel 121; a mounting cavity is arranged in front of the variable-magnification disc mounting seat 1211; an optical path via 12111 is provided at the center of the variable magnification disc mount 1211; the variable-magnification disc assembly 122 is arranged in the mounting cavity and is eccentrically mounted on the variable-magnification disc mounting seat 1211; the variable magnification disk assembly 122 has rotational degrees of freedom for each variable magnification lens 1222 to be rotated to correspond positively with the optical path via 12111.

Referring again to fig. 3, 4 and 7, the front end surface of the variable magnification disk mounting seat 1211 is provided with a mounting hole 12112 located near the optical path via 12111; a shaft 123 is installed in the installation hole 12112; a shaft hole 1223 is arranged at the center of the lens mounting seat 1221; the variable magnification disk assembly 122 is mounted in the mounting cavity by assembly of the shaft bore 1223 with the shaft 123.

Referring to fig. 3, 6 and 7 again, the front end surface of the zoom disc mounting seat 1211 is provided with a positioning hole 12113 near the mounting hole 12112; a positioning assembly 124 is disposed within the positioning hole 12113; the positioning assembly comprises a spring 1242 and a marble 1241 fixed at the front end of the spring; the rear end surface of the lens mounting base 1221 is located near the axle hole 1223 and is further provided with a plurality of positioning slots 1224 corresponding to the zoom lenses one by one; the pin 1241 is elastically contacted with the positioning groove 1224 by a spring 1242, and is used for enabling the zoom lens 1222 corresponding to the positioning groove 1224 to positively correspond to the optical path through hole 12111 when the pin 1241 is matched with the positioning groove 1224.

Referring again to fig. 3, 5 and 7, the mounting cavity has an opening 1218 toward the outside of the barrel 121; at least a portion of the outer periphery of the variable-magnification disc assembly 122 is exposed at the opening 1218, so as to be used for being pushed by a user to drive the variable-magnification disc assembly 122 to rotate; the outer peripheral side of the variable magnification disc assembly 122 is further provided with a rubber sleeve 1225 for convenient user pulling.

Referring again to fig. 5 and 7, the lens barrel 121 further includes a first cylinder 1212; the variable-magnification disc mounting seat 1211 is arranged in the first cylinder 1212, and the mounting hole 12112 is a threaded hole; the shaft 123 includes an optical axis part 1231, and an external screw part 1232 provided at the rear end of the optical axis part 1231; the shaft 123 is screw-fitted with the mounting hole 12112 through the external screw part 1232; the lens barrel 121 further includes a second cylinder 1213 fixed to the front end of the first cylinder 1212; the mounting cavity is formed between the variable-magnification disc mounting seat 1211 and the rear end of the second cylinder 1213; the front end of the optical shaft part of the shaft 123 is provided with an internal thread groove 1233, and the first cylinder 1212 and the second cylinder 1213 are fixed by a cylinder fixing bolt 125; at least two barrel fixing bolts 125 are arranged; one of the cylinder fixing bolts 125 is screw-fitted with the female screw groove 1233 after passing through the rear end of the second cylinder 1213; the remaining barrel fixing bolts 125 pass through the rear end of the second barrel 1213 to be directly screw-coupled with the first barrel 1212; the lens barrel 121 further comprises an eyepiece rubber ring 1214 mounted at the rear end of the first cylinder 1212, and a front cylinder 1215 mounted at the front end of the second cylinder 1213; an eyepiece lens is arranged at the inner rear end position of the first cylinder 1212; the front end position of the front cylinder 1215 is provided with an objective lens.

Referring again to fig. 1, 8 and 10, the magnifying glass assembly 1 further comprises a connection assembly 11; the connection assembly 11 includes a loading frame 111 for loading the lens barrel assembly 12, and a first hinge 112; one end of the first hinge member 112 is fixed to the front end of the head-mounted assembly 2, and the other end is fixed to the loading frame 111; the first hinge 112 is used to flip the loading frame 111 of the loading barrel assembly 12 up and down with respect to the head mount assembly 2.

Referring again to fig. 8 and 9, the first hinge 112 includes a first connection portion 1121 fixed to the head mount assembly 2, a second connection portion 1122 fixed to the loading frame 111, and a hinge shaft 1123 between the first connection portion 1121 and the second connection portion 1122; the first connection part 1121 is provided with a first adjustment notch 1125 in the front-rear direction at a position corresponding to the hinge shaft 1123; the second connection part 1122 is provided with a second adjustment notch 1126 in the up-down direction at a position corresponding to the hinge shaft 1123; the first hinge 112 further includes a locking knob 1124; the locking knob 1124 is used to lock the first connecting portion 1121 and the second connecting portion 1122.

Referring again to fig. 8 and 10, the loading frame 111 is provided with two lens barrel assemblies 12 from side to side; the loading frame 111 is also provided with a pupil distance adjusting component for adjusting the relative distance between the two lens barrel components 12; the pupil distance adjusting assembly comprises an adjusting long hole 113 arranged in the left-right direction of the loading frame 111 and a pupil distance adjusting knob 114 penetrating through the adjusting long hole 113; a lens barrel fixing ring 1216 is sleeved on the lens barrel 121; a lens barrel fixing seat 1217 is fixed on the lens barrel fixing ring 1216; a lens barrel fixing screw hole is formed on the top side of the lens barrel fixing seat 1217; the rod of the pupil distance adjusting knob 114 passes through the adjusting slot 113 and then is connected with the lens barrel fixing threaded hole of the lens barrel fixing seat 1217 in a threaded manner.

Referring again to fig. 1 and 10, the headgear assembly 2 includes a front mount 21 and a headband 22; the magnifier assembly 1 is arranged at the front end of the front fixing frame 21; the left and right ends of the front fixing frame 21 are respectively fixed with the corresponding positions of the head bands 22; the rear side of the headband 22 has a left rear headband portion 222, a right rear headband portion 223, an upper left headband portion 224, and an upper right headband portion 225; the tail ends of the left rear head belt part 222 and the right rear head belt part 223 are provided with rear adjusting components 23; the left upper headband portion 224 terminates in a top adjustment assembly 24 and the right upper headband portion 225 terminates in a top adjustment assembly. Wherein, the headband 22 comprises a front headband part 221, the left and right ends of the front headband part 221 are hinged with the left and right ends of the front fixing frame 21 and are locked and fixed by locking knobs; the left rear headband portion 222 is provided on the left end rear side of the front headband portion 221, the right rear headband portion 223 is provided on the right end rear side, the left upper headband portion 224 is provided on the left end top side, and the right upper headband portion 225 is provided on the right end top side.

Referring again to fig. 1 and 8, the magnifier assembly 1 further comprises a headlight 13 and a second hinge member 131; the second hinge member 131 has one end fixed to the middle region of the loading frame 111 and the other end fixed to the head lamp 13, for mounting the head lamp 13 to the middle region of the loading frame 111, and has a degree of freedom of turning up and down.

Referring to fig. 1 and 10 again, the side surface of the front fixing frame 21 is further provided with a pressure regulating component 4; a pressure regulating module is arranged in the pressure regulating assembly 4, and a pressure regulating knob 41 is arranged outside the pressure regulating assembly 4; the voltage adjusting knob 41 is used for controlling the brightness of the headlight 13 by adjusting the voltage adjusting module.

Referring again to fig. 11 and 12, the rear adjustment assembly 23 further includes a rear adjustment housing 231 sleeved outside the ends of the left and right rear headband portions 222 and 223; the rear side of the rear adjustment housing 231 is also fixed with a battery case assembly 3; the battery box assembly 3 comprises a box body 31 arranged at the rear side of the rear adjusting housing 231, a battery 32 arranged in the box body 31, and a circuit board 33 connected with the battery 32; the battery 32 is used for supplying power to the headlight 13; the box body 31 is also provided with an electric quantity display window 34 and a charging port 35 which are connected with the circuit board 33.

Referring again to fig. 12, the left rear headband portion 222 and the right rear headband portion 223 are provided with tooth slots 226 having teeth; the teeth of the left rear headband portion 222 and the teeth of the right rear headband portion 223 are disposed in the respective tooth slots 226 in the up-down direction, the rear adjusting assembly 23 includes a first gear 233 disposed between the teeth of the left rear headband portion 222 and the teeth of the right rear headband portion 223, the first gear 233 being engaged with the teeth of the left rear headband portion 222 and the teeth of the right rear headband portion 223, respectively, such that when the first gear 233 rotates, the teeth of the left rear headband portion 222 and the teeth of the right rear headband portion 223 are shifted by the first gear 233 to drive the left rear headband portion and the right rear headband portion to move in the left-right direction toward or away from each other; the rear adjusting assembly 23 further includes a rear adjusting knob 232 disposed at the rear side of the case 31, and the rear adjusting knob 232 is fixed to the first gear 233 by a first bolt 234 for controlling the rotation of the first gear 233.

Referring again to fig. 13 and 14, the left upper headband portion 224 and the right upper headband portion 225 are provided with tooth slots 226 with teeth; the teeth of the upper left headband portion 224 and the teeth of the upper right headband portion 225 are disposed in the respective tooth slots 226 in the back-and-forth direction, the top adjusting assembly 24 includes a second gear 243 disposed between the teeth of the upper left headband portion 224 and the teeth of the upper right headband portion 225, the second gear 243 being engaged with the teeth of the upper left headband portion 224 and the teeth of the upper right headband portion 225, respectively, such that when the second gear 243 rotates, the teeth of the upper left headband portion 224 and the teeth of the upper right headband portion 225 are shifted by the second gear 243 to thereby drive the upper left headband portion 224 and the upper right headband portion 225 to move in the left-right direction in opposite directions or in opposite directions; the rear adjusting assembly 23 further comprises a top adjusting housing 241 sleeved outside the tail end of the left upper headband portion 224 and the tail end of the right upper headband portion 225, and a top adjusting knob 242 disposed on the top side of the top adjusting housing 241, wherein the top adjusting knob 242 is fixed to the second gear 243 by a second bolt 244 for controlling the rotation of the second gear 243.

The multi-multiplying-power head-wearing operation magnifier is worn on the head of a user, and the rear adjusting component and the top adjusting component are adjusted so that the head band is moderately fixed on the head of the user; then, the magnifying glass assembly is turned downwards, so that the lens barrel assembly is positioned in front of eyes of a user; then, unscrewing the pupil distance adjusting knob, adjusting the left and right positions of the two lens barrel assemblies, unscrewing the locking knob, and adjusting the front and rear positions and the upper and lower positions of the lens barrel assemblies, so that the lens barrel assemblies correspond to eyes, and screwing the pupil distance adjusting knob and the locking knob; then the pressure regulating knob is rotated to turn on the head lamp; in the actual operation process (such as surgery), the variable-magnification disc assembly is stirred, and the variable-magnification lens is switched to the required variable-magnification lens, so that the magnification of different multiples of the visual field is realized; the headlight can be turned up and down to irradiate in a designated direction, and the voltage regulating knob can be rotated to regulate the headlight to the required brightness.

According to the multi-multiplying-power head-mounted operation magnifier, the battery is used for supplying power, and the electric quantity of the battery can be visually observed through the electric quantity display window; a charging port is also provided to charge the battery.

In the multi-magnification head-mounted operation magnifier, a magnification-varying disc assembly is adopted to bear a plurality of magnification-varying lenses in a magnifier assembly, and the required magnification-varying lenses are switched to correspond to the light path of the magnifier assembly through rotation, so that magnification-varying operation is realized; the spring and the marble are matched with the positioning groove arranged at the shaft shoulder of the lens mounting seat, so that the precise positioning of the variable-magnification lens can be realized, and the positive correspondence between the variable-magnification lens and the light path is ensured; mounting the magnifying glass assembly to the front end of the head-mounted assembly through a first hinge; the magnifying glass main body can be turned up and down around the hinge shaft relative to the head-mounted assembly, and the design of the first adjusting notch in the front-back direction and the second adjusting notch in the up-down direction is adopted; the magnifying glass main body can be adjusted in a front-back, up-down moving way relative to the head-mounted assembly, and the state of the magnifying glass main body after adjustment can be maintained through the locking knob, so that the magnifying glass assembly can be adjusted to the optimal posture for a user; after the pupil distance adjusting knob is unscrewed, the lens barrel assembly is driven to move left and right along the adjusting long hole, and after the movement is completed, the lens barrel assembly is adjusted to adapt to users with different pupil distances by screwing the pupil distance adjusting knob; the headlight is designed and matched with the voltage regulating assembly, and the voltage regulating module is regulated by utilizing the voltage regulating knob, so that the switch of the headlight and the brightness and darkness regulation of the light source are realized; the headlight can be controlled to turn up and down through the second hinge piece, so that larger deviation of the irradiation part caused by the fact that the light source and a user are staggered can be avoided; through the design of the rear adjusting component and the top adjusting component, the head-mounted component can be adjusted to different sizes by utilizing the adjustment of the rear adjusting knob and the top adjusting knob, and the head-mounted component can be suitable for different users, so that the head of the user can be attached to the head of the user to achieve a comfortable and reliable effect; through the battery box component, the built-in battery can provide energy for the headlight.

The above embodiments should not limit the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent conversion fall within the protection scope of the present utility model.

Claims (10)

1. A multi-magnification head-mounted operation magnifier, which is characterized in that: the magnifying glass comprises a head-mounted component and a magnifying glass component arranged at the front end of the head-mounted component; the magnifier assembly comprises a lens barrel assembly; the lens barrel assembly comprises a lens barrel and a zoom disc assembly; the variable-magnification disc assembly comprises a plurality of variable-magnification lenses of which the lens mounting seats are uniformly distributed along the circumferential direction of the lens mounting seats; a zoom disc mounting seat is also arranged in the lens cone; the front of the zoom disc mounting seat is provided with a mounting cavity; an optical path via hole is formed in the center of the variable-magnification disc mounting seat; the variable-magnification disc assembly is arranged in the mounting cavity and is eccentrically mounted on the variable-magnification disc mounting seat; the variable-magnification disk assembly has a degree of freedom of rotation for enabling each variable-magnification lens to rotate to positively correspond to the light path through hole.

2. A multi-magnification head mounted surgical magnifier according to claim 1, wherein: the front end surface of the zoom disc mounting seat is provided with a mounting hole near the optical path via hole; a shaft is arranged in the mounting hole; the center of the lens mounting seat is provided with a shaft hole; the variable-magnification disc component is arranged in the mounting cavity through the assembly of the shaft hole and the shaft; the mounting cavity is provided with an opening facing the outer side of the lens barrel; at least a part of the periphery of the variable-magnification disc assembly is exposed at the opening and is used for being stirred by a user to drive the variable-magnification disc assembly to rotate.

3. A multi-magnification head mounted surgical magnifier according to claim 2, wherein: the front end surface of the zoom disc mounting seat is positioned near the mounting hole and is also provided with a positioning hole; a positioning assembly is arranged in the positioning hole; the positioning component comprises a spring and a marble fixed at the front end of the spring; the rear end face of the lens mounting seat is positioned near the shaft hole and is also provided with a plurality of positioning grooves which are in one-to-one correspondence with a plurality of zoom lenses; the marble is elastically contacted with the positioning groove by a spring, and the variable-magnification lens corresponding to the positioning groove is positively corresponding to the light path through hole when the marble is matched with a certain positioning groove.

4. A multi-magnification head mounted surgical magnifier according to claim 2 or 3, wherein: the lens barrel further comprises a first barrel body; the variable-magnification disc mounting seat is arranged in the first cylinder body, and the mounting hole is a threaded hole; the shaft comprises a light shaft part and an external thread part arranged at the rear end of the light shaft part; the shaft is assembled with the mounting hole through the external thread part in a threaded manner; the lens barrel further comprises a second barrel body fixed at the front end of the first barrel body; the mounting cavity is formed between the variable-magnification disc mounting seat and the rear end of the second cylinder; the front end of the optical shaft part of the shaft is provided with an internal thread groove, and the first cylinder body and the second cylinder body are fixed through a cylinder body fixing bolt; the number of the cylinder fixing bolts is at least two; one cylinder fixing bolt passes through the rear end of the second cylinder and then is assembled with the internal thread groove in a threaded manner; the other cylinder fixing bolts penetrate through the rear end of the second cylinder and are directly connected with the first cylinder in a threaded manner; the lens barrel also comprises an eyepiece rubber ring arranged at the rear end of the first barrel and a front barrel arranged at the front end of the second barrel; an eyepiece lens is arranged at the rear end position in the first cylinder; the front end position of the front cylinder body is provided with an objective lens.

5. The multi-magnification head mounted surgical magnifier according to claim 4, wherein: the magnifying glass assembly further comprises a connecting assembly; the connecting assembly comprises a loading frame for loading the lens barrel assembly and a first hinge; one end of the first hinge piece is fixed with the front end of the head-mounted assembly, and the other end of the first hinge piece is fixed with the loading frame; the first hinge is used for enabling a loading frame of the loading lens barrel assembly to be turned up and down relative to the head-mounted assembly; the first hinge piece comprises a first connecting part fixed with the head-mounted component, a second connecting part fixed with the loading frame and a hinge shaft positioned between the first connecting part and the second connecting part; the first connecting part is provided with a first adjusting notch in the front-rear direction at a position corresponding to the hinge shaft; the second connecting part is provided with a second adjusting notch in the up-down direction at a position corresponding to the hinge shaft; the first hinge further includes a locking knob; the locking knob is used for locking and fixing the first connecting part and the second connecting part; two lens cone assemblies are arranged on the loading frame left and right; the loading frame is also provided with a pupil distance adjusting component for adjusting the relative distance between the two lens cone components; the pupil distance adjusting assembly comprises an adjusting long hole arranged in the left-right direction of the loading frame and a pupil distance adjusting knob penetrating through the adjusting long hole; a lens cone fixing ring is sleeved on the lens cone; a lens barrel fixing seat is fixed on the lens barrel fixing ring; the top side of the lens barrel fixing seat is provided with a lens barrel fixing threaded hole; the rod part of the pupil distance adjusting knob passes through the adjusting long hole and is in threaded connection with the lens barrel fixing threaded hole of the lens barrel fixing seat.

6. The multi-magnification head mounted surgical magnifier according to claim 5, wherein: the head-mounted assembly comprises a front fixing frame and a head band; the magnifying glass component is arranged at the front end of the front fixing frame; the left end and the right end of the front fixing frame are respectively and fixedly arranged at the corresponding positions of the head band; the rear side of the headband is provided with a left rear headband part, a right rear headband part, a left upper headband part and a right upper headband part; the tail ends of the left rear head band part and the right rear head band part are provided with rear adjusting assemblies; the left upper head band part tail end and the right upper head band part tail end are provided with top adjusting components.

7. The multi-magnification head mounted surgical magnifier according to claim 6, wherein: the magnifier assembly further comprises a headlight and a second hinge; one end of the second hinge member is fixed to the middle area of the loading frame, and the other end of the second hinge member is fixed to the head lamp, is used for enabling the head lamp to be installed in the middle area of the loading frame, and has the freedom of turning up and down; the side surface of the front fixing frame is also provided with a pressure regulating component; the pressure regulating assembly is internally provided with a pressure regulating module, and the pressure regulating assembly is externally provided with a pressure regulating knob; the voltage regulating knob is used for controlling the brightness of the head lamp by regulating the voltage regulating module.

8. The multi-magnification head mounted surgical magnifier according to claim 7, wherein: the rear adjusting assembly further comprises a rear adjusting shell sleeved outside the tail end of the left rear head band part and the tail end of the right rear head band part; the rear side of the rear adjusting shell is also fixedly provided with a battery box assembly; the battery box assembly comprises a box body arranged at the rear side of the rear adjusting shell, a battery arranged in the box body and a circuit board connected with the battery; the battery is used for supplying power for the head lamp; and the box body is also provided with an electric quantity display window and a charging port which are connected with the circuit board.

9. The multi-magnification head mounted surgical magnifier according to claim 8, wherein: the left rear head band part and the right rear head band part are provided with tooth grooves with tooth parts; the teeth of the left rear head band part and the teeth of the right rear head band part are reversely arranged in respective tooth grooves in the up-down direction, the rear part adjusting assembly comprises a first gear arranged between the teeth of the left rear head band part and the teeth of the right rear head band part, and the first gear is respectively meshed with the teeth of the left rear head band part and the teeth of the right rear head band part and is used for stirring the teeth of the left rear head band part and the teeth of the right rear head band part by the first gear when the first gear rotates so as to drive the left rear head band part and the right rear head band part to move oppositely or separately in the left-right direction; the rear adjusting assembly further comprises a rear adjusting knob arranged at the rear side of the box body, and the rear adjusting knob is fixed with the first gear through a first bolt and used for controlling the first gear to rotate.

10. A multi-magnification head mounted surgical magnifier according to any one of claims 6-9, wherein: the left upper head band part and the right upper head band part are provided with tooth grooves with tooth parts; the teeth of the left upper head band part and the teeth of the right upper head band part are reversely arranged in respective tooth grooves in the front-back direction, the top adjusting component comprises a second gear arranged between the teeth of the left upper head band part and the teeth of the right upper head band part, the second gear is respectively meshed with the teeth of the left upper head band part and the teeth of the right upper head band part, and when the second gear rotates, the teeth of the left upper head band part and the teeth of the right upper head band part are stirred by the second gear, so that the left upper head band part and the right upper head band part are driven to move in opposite directions or in opposite directions; the rear adjusting assembly further comprises a top adjusting shell sleeved at the tail end of the left upper head band part and the tail end outer side of the right upper head band part, and a top adjusting knob arranged on the top side of the top adjusting shell, wherein the top adjusting knob is fixed with the second gear through a second bolt and used for controlling the second gear to rotate.