CN217639744U

CN217639744U - Pupil distance adjusting device of operation magnifier

Info

Publication number: CN217639744U
Application number: CN202220781974.8U
Authority: CN
Inventors: 刘诗蒙; 刘天奇; 刘延安
Original assignee: Beijing Sisair Medical Technology Research Institute
Current assignee: Beijing Sisair Medical Technology Research Institute
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-21
Anticipated expiration: 2032-04-06

Abstract

The utility model belongs to the field of medical apparatus, in particular to a pupil distance adjusting device of an operation magnifier; its operation magnifying glass interpupillary distance adjusting device includes: the driving assembly comprises two driving rods, and the two lens cones are respectively arranged on the two driving rods; the knob is connected with the driving assembly and controls the two driving rods to move respectively through the driving assembly; the drive assembly is arranged in the slide, the two drive rods are arranged in the slide in parallel or vertically, one end of the knob is arranged on the slide, and the other end of the knob is arranged in the slide. The utility model provides a novel pupil distance adjusting device of an operation magnifier, wherein two driving rods in a driving component are arranged in a slide way and can slide along the slide way, and a knob controls the two driving rods to move respectively through the driving component; the lens cone on two sides can be respectively controlled to move by utilizing a single knob in the setting, the operation is simpler and quicker, and the requirements of all people can be met.

Description

Pupil distance adjusting device of operation magnifier

Technical Field

The utility model belongs to the field of medical equipment, in particular to pupil distance adjusting device of operation magnifying glass.

Background

The medical operation magnifier is a low power microscopic system, and the microscopic structure of the medical operation magnifier can be magnified and an upright and clear image can be obtained through the observation of an instrument. When the observation tube lens of the operation magnifier is used, the optimal distance can be adjusted according to the pupil distance of a user. For adjusting the interpupillary distance, two adjusting modes are commonly used at present: the mode of adjusting the double knobs respectively and the mode of adjusting the single knob together; wherein, the two knobs difference regulative mode is the regulation mode respectively of the left and right sides, and the main structure is hung on the support by 2 magnifying glass eyepieces, and the eyepieces are respectively regulated by the knobs to the respective eye pupil distance. The pupil distance adjusting device is suitable for people with physiological structure difference, and has the defect that the two sides are respectively adjusted complicatedly; the common adjustment mode of the single knob is that the pupil distance of the left eye and the right eye of the 2 magnifying glasses is adjusted through the middle driving rod, and the middle knob of the adjusting rod support is used for adjustment, so that the left eye magnifying glasses and the right eye magnifying glasses simultaneously move leftwards or rightwards when the middle knob is adjusted.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a new operation magnifying glass interpupillary distance adjusting device.

The utility model discloses specific technical scheme as follows:

the utility model provides a pupil distance adjusting device of operation magnifying glass, include:

the driving assembly comprises two driving rods, and the two lens cones are respectively arranged on the two driving rods;

the knob is connected with the driving assembly and controls the two driving rods to move respectively through the driving assembly;

the drive assembly is arranged in the slide, the two drive rods are arranged in the slide in a parallel or vertical mode, one end of the knob is arranged on the slide, and the other end of the knob is arranged in the slide.

In a further improvement, the driving assembly further comprises a rotating gear, the rotating gear is connected with a rotating rod of the knob, and the two driving rods are respectively provided with gear teeth correspondingly meshed with the rotating gear; the two driving rods are respectively arranged on the side wall and the bottom in the slideway and both slide along the length direction of the slideway, and the rotating gear is respectively meshed with the two driving rods; the slide top is followed the width direction of slide is equipped with the track groove, the track groove extends to on the preceding terminal surface of slide, the swing arm of knob is located in the track inslot and in the track inslot slides.

In a further improvement, the driving assembly further comprises a driving gear, wherein gear teeth are respectively arranged on the front side and the rear side of the driving gear, the driving gear is connected with a rotary rod of the knob, driving teeth are respectively arranged on the two driving rods, and the two driving rods are respectively correspondingly meshed with the gear teeth on the front side and the rear side of the driving gear; the two driving rods are respectively arranged at the top and the bottom in the slide way and slide along the length direction of the slide way, the two driving rods are parallel to each other and are arranged in a front-back staggered manner, one end of the knob is connected with the damping plate, and the other end of the knob sequentially penetrates through the two driving grooves and the upper end face of the slide way and is arranged outside the slide way.

In a further improvement, the drive assembly further comprises a damping spring and a damping plate; two the actuating lever is in relative setting from top to bottom in the slide and all locating on the damping plate, two follow on the actuating lever the length direction of actuating lever all is equipped with the drive groove, damping spring's one end is located bottom in the slide, the other end with the damping plate links to each other, and will two the actuating lever compresses tightly, the one end and one of them actuating lever of knob contact, and the other end passes the up end of slide is located outside the slide.

In a further improvement, the two driving rods are arranged in the slide way in a front-back opposite mode; the bottom of the knob is provided with two wedge-shaped pressing blocks which are staggered front and back, the two wedge-shaped pressing blocks are respectively pressed on the two driving rods, and the top in the slideway is provided with two clamping grooves correspondingly clamped with the wedge-shaped sliding blocks; the up end of slide is equipped with the adjustment hole groove, the knob is kept away from the one end of actuating lever passes the adjustment hole groove is located outside the slide, just the swing arm of knob is in the horizontal slip in the adjustment hole inslot.

The utility model discloses the beneficial effect who gains:

the utility model provides a novel pupil distance adjusting device of an operation magnifier, wherein two driving rods in a driving assembly are arranged in a slideway and can slide along the slideway, and a knob controls the two driving rods to move respectively through the driving assembly; the lens cone on two sides can be respectively controlled to move by utilizing a single knob in the setting, the operation is simpler and quicker, and the requirements of all people can be met.

Drawings

Fig. 1 is a schematic structural diagram of a pupil distance adjusting device of an operating magnifier according to an embodiment of the present invention;

FIG. 2 is a diagram illustrating a state of the pupil distance adjusting device of the operation magnifier according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a pupil distance adjusting device of a surgical magnifier according to another embodiment of the present invention;

fig. 4 is a side view of a pupil distance adjusting device of a surgical magnifier according to another embodiment of the present invention;

fig. 5 is a schematic structural view of a pupil distance adjusting device of an operation magnifier according to another embodiment of the present invention;

FIG. 6 is a cross-sectional view of a side view of the pupil distance adjusting device of the surgical magnifier in another embodiment of the present invention;

fig. 7 is a schematic structural view of a pupil distance adjusting device of a surgical magnifier according to a fourth embodiment of the present invention;

FIG. 8 is a cross-sectional view of a top view of the pupil distance adjusting device of the surgical magnifier according to the fourth embodiment of the present invention;

fig. 9 is a cross-sectional view of the pupil distance adjusting device of the surgical magnifier according to the fourth embodiment of the present invention;

fig. 10 is a plan view of a wedge-shaped press block according to a fourth embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, which are provided only for explaining the present invention and are not intended to limit the scope of the present invention.

the driving assembly comprises two driving rods 3, and two lens barrels 9 are respectively arranged on the two driving rods 3;

the knob 2 is connected with the driving assembly, and the two driving rods 3 are controlled to move respectively through the driving assembly;

the slide 1, drive assembly locates in the slide 1, two the actuating lever 3 is in parallel or perpendicular setting in the slide 1, the one end of knob 2 is located on the slide 1, the other end is located in the slide 1. The concrete structure is as follows:

As shown in fig. 1-2, in one embodiment, the driving assembly further includes a rotating gear 4, the rotating gear 4 is connected to the rotating rod of the knob 2, and both of the driving rods 3 are provided with gear teeth correspondingly engaged with the rotating gear 4; the two driving rods 3 are respectively arranged on the side wall and the bottom in the slideway 1 and both slide along the length direction of the slideway 1, and the rotating gear 4 is respectively meshed with the two driving rods 3; follow at 1 top of slide 1's width direction is equipped with track groove 5, track groove 5 extends to on 1's the preceding terminal surface of slide, the swing arm of knob 2 is located in the track groove 5 and in slide in the track groove 5.

In the embodiment, the knob is coaxial with the rotating gear, the gear rotates simultaneously when the knob rotates, the knob is fixed in the center of the slide rail, the center of the slide rail is provided with a rail groove, the rotating knob slides in the rail groove and can stay at two ends of the rail simultaneously, the left driving rod is adjusted when the knob stays at the upper end, and the adjusting knob can drive the driving rod to move when the gear and the gear teeth are tightly combined, so that the eyepiece on the corresponding lens barrel is driven to move.

In this embodiment, a sliding slot may be provided in the sliding way, and the driving rod moves in the sliding slot.

As shown in fig. 3-4, in another embodiment, the driving assembly further includes a driving gear 6, gear teeth are respectively disposed on front and rear sides of the driving gear 6, the driving gear 6 is connected to the rotating rod of the knob 2, driving teeth are disposed on both the driving rods 3, and the driving rods 3 are respectively engaged with the gear teeth on the front and rear sides of the driving gear 6; two the actuating lever 3 is located respectively top and bottom in the slide and all follow the length direction of slide 1 slides, and two actuating lever 3 is parallel to each other and crisscross the setting from beginning to end, knob 2 is kept away from drive gear 6's one end passes slide 1 is located outside the slide 1, just the swing arm of knob 2 can be on slide 1 back-and-forth movement.

In the embodiment, the knob and the driving gear are coaxial, the front side and the rear side of the driving gear are provided with teeth, and the middle part of the driving gear is not provided with teeth, namely the part of the driving gear, which is correspondingly meshed with the driving rod, is provided with teeth; when the knob is pulled out, the knob pushes the gear to be connected with the upper (or lower) driving rod, the knob drives the gear to rotate, and the gear drives the driving rod to slide and adjust the corresponding eyepiece (namely the lens cone); when the knob is pushed, the gear is connected with the driving rod below (or above), the knob drives the gear to rotate, and the gear drives the driving rod to slide and adjust the corresponding ocular, so that the left ocular and the right ocular can be respectively adjusted by pulling out or pushing in the button.

As shown in fig. 5-6, the driving assembly in another embodiment further comprises a damping spring 7 and a damping plate 11; two the actuating lever 3 is in relative setting up from top to bottom in the slide 1 and all locating on the damping plate 11, two follow on the actuating lever 3 the length direction of actuating lever 3 all is equipped with drive groove 12, damping spring 7's one end is located bottom in the slide 1, the other end with damping plate 11 links to each other, and will two actuating lever 3 compresses tightly, the one end of knob 2 with damping plate 11 links to each other, and the other end passes two in proper order the drive groove with the up end of slide 1 is located outside the slide 1.

In the embodiment in the market, the damping spring compresses the two driving rods to control the movement of the driving rods, when a knob (which actually has the function of a button and is named as the knob for consistency) is pressed down, the damping spring is pressed down, at the moment, the driving rods can move on the slide way, and the knob can be pressed down to respectively pinch an eyepiece (namely a lens cone) at one side to move left and right so as to adjust the eyepiece to a proper position. In a similar way, the other side ocular is adjusted to a proper position by the other side hand, and the button is loosened. And (5) finishing the pupil distance adjustment.

As shown in fig. 7-10, two driving rods 3 of the fourth embodiment are arranged in front and back opposite to each other in the slideway 1; the bottom of the knob 2 is provided with two wedge-shaped pressing blocks 8 which are staggered front and back, the two wedge-shaped pressing blocks 8 are respectively pressed on the two driving rods 3, and the top in the slideway 1 is provided with two clamping grooves 13 correspondingly clamped with the wedge-shaped sliding blocks 8; the up end of slide 1 is equipped with adjustment hole groove 10, the knob is kept away from the one end of actuating lever 3 passes adjustment hole groove 10 is located outside the slide 1, just the swing arm of knob is in the horizontal slip in the adjustment hole groove 10.

In this embodiment, set up the wedge briquetting in the bottom of knob and be used for compressing tightly the actuating lever in order to restrict its removal, during the use, through the knob (use at the actual use and make, the knob irrotational, only remove about, for consistent all around, the name is the knob) drive the wedge briquetting and remove about, when removing left end or right-hand member, wedge briquetting and spout (the spout comprises the slider, its face relative with the wedge briquetting is the inclined plane, can carry out spacing and compress tightly downwards to the wedge briquetting) correspond the joint, and then can compress tightly one of them actuating lever, the eyepiece that the hand was held between the fingers on another actuating lever removes, adjust to suitable position. In a similar way, the knob is moved to the other end, the eyepiece at the other side is adjusted to a proper position by the other hand, and the button is loosened. And (5) finishing the pupil distance adjustment.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a pupil distance adjusting device of operation magnifying glass which characterized in that includes:

the driving assembly comprises two driving rods (3), and the two lens barrels (9) are respectively arranged on the two driving rods (3);

the knob (2) is connected with the driving assembly, and the two driving rods (3) are controlled to move respectively through the driving assembly;

slide (1), drive assembly locates in slide (1), two actuating lever (3) are in parallel or perpendicular setting in slide (1), the one end of knob (2) is located on slide (1), the other end is located in slide (1).

2. The pupil distance adjusting device of the surgical magnifier according to claim 1, wherein the driving assembly further comprises a rotary gear (4), the rotary gear (4) is connected with the rotary rod of the rotary knob (2), and both driving rods (3) are provided with gear teeth correspondingly engaged with the rotary gear (4); the two driving rods (3) are respectively arranged on the side wall and the bottom in the slideway (1) and slide along the length direction of the slideway (1), and the rotating gear (4) is respectively meshed with the two driving rods (3); slide (1) top is followed the width direction of slide (1) is equipped with track groove (5), track groove (5) extend to on the preceding terminal surface of slide (1), the swing arm of knob (2) is located in track groove (5) and in slide in track groove (5).

3. The pupil distance adjusting device of the surgical magnifier according to claim 1, wherein the driving assembly further comprises a driving gear (6), the driving gear (6) is provided with gear teeth at the front and back sides thereof, the driving gear (6) is connected with the rotary rod of the knob (2), the two driving rods (3) are provided with driving teeth, and the two driving rods (3) are respectively engaged with the gear teeth at the front and back sides of the driving gear (6); two actuating lever (3) are located respectively top and bottom in slide (1) all follow the length direction of slide (1) slides, and two actuating lever (3) are parallel to each other and crisscross setting around, knob (2) are kept away from the one end of drive gear (6) is passed slide (1) and is located outside slide (1), just the swing arm of knob (2) can be on slide (1) the back-and-forth movement.

4. The pupil distance adjusting device of surgical loupes according to claim 1, wherein said driving assembly further comprises a damping spring (7) and a damping plate (11); two actuating lever (3) are in relative setting from top to bottom in slide (1) and all locate on damping plate (11), two follow on actuating lever (3) the length direction of actuating lever (3) all is equipped with drive groove (12), the one end of damping spring (7) is located bottom in slide (1), the other end with damping plate (11) link to each other, and will two actuating lever (3) compress tightly, the one end of knob (2) with damping plate (11) link to each other, and the other end passes two in proper order the drive groove with the up end of slide (1) is located outside slide (1).

5. The pupil distance adjusting device of the surgical loupe according to claim 1, wherein the two driving rods (3) are arranged in the slideway (1) in a front-back opposite way; the bottom of the knob (2) is provided with two wedge-shaped pressing blocks (8) which are staggered front and back, the two wedge-shaped pressing blocks (8) are respectively pressed on the two driving rods (3), and the top in the slideway (1) is provided with two clamping grooves (13) correspondingly clamped with the wedge-shaped pressing blocks (8); the upper end face of slide (1) is equipped with regulation hole groove (10), the knob is kept away from the one end of actuating lever (3) is passed regulation hole groove (10) is located outside slide (1), just the swing arm of knob is in the horizontal slip in regulation hole groove (10).