CN212972914U - Diameter-measuring pupil pen - Google Patents

Abstract

The utility model discloses a diameter-measuring pupil pen, which belongs to the technical field of medical auxiliary instruments and comprises a pupil pen main body, wherein the pupil pen main body mainly comprises a shell a and a shell b, the shell a is in threaded connection with the shell b, a lighting lamp is installed at the left end of the shell a, a switch is installed on the right side surface of the shell b, a battery is arranged in the shell a, the lighting lamp is electrically connected with the battery through the switch, a fixing ring is installed on the inner side wall of the shell a, and a plurality of accommodating grooves are formed in the outer surface of the fixing ring; through setting up the diameter ratio to board, spring, fixture block and light, utilize a plurality of diameter ratios to measure the use to the measuring hole cooperation light of different diameters on the board, the light is bright and is compared the measuring hole of probably diameter on the pupil along the light source simultaneously, can the accurate measurement pupil diameter, simple structure, and convenient operation has avoided the shortcoming regret of original pupil pen, reduces the error, improves work efficiency and rate of accuracy.

Description

Diameter-measuring pupil pen

Technical Field

The utility model belongs to the technical field of medical auxiliary instrument, concretely relates to diameter-measuring pupil pen.

Background

The pupil, be the small round hole at iris center in animal or human eyes, for the passageway that light got into eyes, the shrink of pupil sphincter can make the pupil shrink on the iris, the shrink of pupil opening muscle makes the pupil to enlarge, the light quantity that the control got into the pupil is opened big and contract to the pupil, wherein nervous system critical patients mostly accompanies the consciousness obstacle, need nurse in time to observe patient's mind and pupil, nurse's judgement is mostly based on experience now under most of the circumstances, do not have the pupil diameter that an instrument can the accurate measurement patient clinically.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diameter measuring pupil pen to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a diameter measuring pupil pen comprises a pupil pen main body, wherein the pupil pen main body mainly comprises a shell a and a shell b, the shell a is in threaded connection with the shell b, a lighting lamp is installed at the left end of the shell a, a switch is installed on the right side face of the shell b, a battery is arranged inside the shell a, the lighting lamp is electrically connected with the battery through the switch, a fixing ring is installed on the inner side wall of the shell a, a plurality of accommodating grooves are formed in the outer surface of the fixing ring, a diameter ratio opposite plate is arranged on the inner side wall of each accommodating groove, a semicircular measuring hole is formed in each diameter ratio opposite plate, clamping grooves are formed in the upper side face, the lower side face and the upper side face of the right side face of each diameter ratio opposite plate, a drawing hole is formed in the outer surface of the shell a opposite to the position of each opposite, and the inside wall of two recesses all is fixed with the spring, and the one end that two springs are relative all is fixed with the fixture block, the surface of fixture block and the inside wall laminating of draw-in groove, the surface of casing an still is fixed with the pen clip.

Adopt above-mentioned scheme, to the board through setting up the diameter ratio, a spring, fixture block and light, utilize a plurality of diameter ratios to measure the use to the measuring hole cooperation light of different diameters on the board, the light is bright the lamp and is compared the measuring hole of probably diameter on the pupil along the light source simultaneously, can accurately measure pupil diameter, moreover, the steam generator is simple in structure, high durability and convenient operation, the shortcoming of original pupil pen has been avoided, reduce the error, work efficiency and rate of accuracy are improved, through setting up the spring, telescopic link and fixture block, the elastic reaction that utilizes the spring makes inside the draw-in groove that the fixture block can block into different positions department, thereby can effectively fix when pulling out and impel to the diameter ratio, and utilize semicircular fixture block and semicircular draw-in groove cooperation to use, the simple operation degree promotes greatly, perfect function diversity.

In a preferred embodiment, the diameter ratio is seven, and if the diameter of the measuring hole on the pair of plates is 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm in sequence.

Adopt above-mentioned scheme, through setting up the measuring aperture of different diameters size, and then can pull out different diameter ratios according to the measurement needs and carry out pupil measurement, convenient operation to the board.

As a preferred embodiment, the spring is sleeved on the outer surface of the telescopic rod, and two ends of the telescopic rod are respectively and fixedly connected with the inner side wall of the groove and one side surface of the clamping block.

Adopt above-mentioned scheme, utilize the telescopic link to support the spring, the telescopic link follows the extension or the shrink of spring and changes, and then supports the fixture block for difficult emergence is rocked and more stable when the fixture block moves.

As a preferred embodiment, the inner surface of the right end of the shell a is provided with an internal thread, the outer surface of the left end of the shell b is provided with an external thread, and the shell a and the shell b are fixedly connected through the external thread and the internal thread.

Adopt above-mentioned scheme, connect fixedly casing a and casing b through setting up external screw thread and interior screw-thread fit, fixed effectual and be convenient for connect and dismantle, be convenient for simultaneously change and take out the battery.

As a preferred embodiment, the casing a is provided with operating arc-shaped grooves on both the left and right sides of the drawing hole.

Adopt above-mentioned scheme, the setting up of utilizing the operation arc wall makes the nurse can come the tight diameter ratio of clamp to the board through the operation arc wall, and then can pull out it fast and measure the operation.

In a preferred embodiment, the shape of the clamping block and the clamping groove are semicircular.

Adopt above-mentioned scheme, through setting up semicircular fixture block and draw-in groove, and then can utilize the arcwall face of fixture block to make its extrusion spring take place to warp and contract, promoted the use convenience greatly.

Compared with the prior art, the beneficial effects of the utility model are that:

the diameter measuring pupil pen is provided with the diameter ratio pair plate, the spring, the fixture block and the illuminating lamp, a plurality of diameter ratios are utilized to measure measuring holes with different diameters on the pair plate in cooperation with the illuminating lamp, the illuminating lamp is turned on, and meanwhile the measuring holes with possible diameters are compared on pupils along a light source, so that the pupil diameter can be accurately measured, the structure is simple, the operation is convenient, the defects of the original pupil pen are avoided, the errors are reduced, and the working efficiency and the accuracy are improved;

this calipers is through setting up spring, telescopic link and fixture block, utilizes the elastic action of spring to make inside the fixture block can the card go into the draw-in groove of different positions department to can effectively fix when can drawing out and impel to the board to the alignment ratio, and utilize semicircular fixture block and semicircular draw-in groove cooperation to use, the simple operation degree promotes greatly, perfect functional diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a front view half-section of the present invention;

FIG. 3 is a schematic structural view of a right side view section of the fixing ring of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a pupil pen body; 2. a shell a; 3. a housing b; 4. an illuminating lamp; 5. a switch; 6. a battery; 7. a fixing ring; 8. diameter ratio is opposite to the plate; 9. measuring a hole; 10. a spring; 11. a clamping block; 12. a telescopic rod; 13. a pen clip.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a diameter-measuring pupil pen, including pupil pen main part 1, pupil pen main part 1 mainly comprises casing a2 and casing b3, threaded connection between casing a2 and casing b3, the internal surface of casing a2 right-hand member is provided with the internal thread, the external surface of casing b3 left-hand member is provided with the external thread, casing a2 and casing b3 are fixedly connected through the external thread and the internal thread (see fig. 1 and fig. 2); connect fixedly through setting up external screw thread and internal thread cooperation to casing a2 and casing b3, fixed effectual and be convenient for connect and dismantle, be convenient for simultaneously change take out battery 6.

The left end of the shell a2 is provided with a lighting lamp 4, the right side surface of the shell b3 is provided with a switch 5, the interior of the shell a2 is provided with a battery 6, the lighting lamp 4 is electrically connected with the battery 6 through the switch 5, the inner side wall of the shell a2 is provided with a fixing ring 7, the outer surface of the fixing ring 7 is provided with a plurality of accommodating grooves, the inner side wall of each accommodating groove is provided with a diameter ratio opposite plate 8, the diameter ratio opposite plate 8 is provided with a semicircular measuring hole 9, the number of the diameter ratio opposite plates 8 is seven, and if the diameters of the measuring holes 9 in the seven diameter ratio opposite plates 8 are sequentially 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm and 5mm (see; through setting up measuring hole 9 of different diameter sizes, and then can pull out different diameter ratios according to the measurement needs and carry out pupil measurement, convenient operation to plate 8.

Clamping grooves are formed in the upper side and the lower side of the left side face and the upper side and the lower side of the right side face of the diameter ratio pair plate 8, a drawing hole is formed in the position, opposite to the diameter ratio pair plate 8, on the outer surface of the shell a2, and operation arc-shaped grooves are formed in the left side and the right side of the drawing hole in the shell a2 (see fig. 1 and 2); the setting of utilizing the operation arc wall makes the nurse can come the tight diameter ratio of clamp to board 8 through the operation arc wall, and then can pull out it fast and measure the operation.

Grooves are formed in the left side surface and the right side surface of the inner side wall of each drawing hole, springs 10 are fixed on the inner side walls of the two grooves, the springs 10 are sleeved on the outer surface of the telescopic rod 12, and two ends of the telescopic rod 12 are fixedly connected with the inner side walls of the grooves and one side surface of the clamping block 11 respectively (see fig. 2 and 4); utilize telescopic link 12 to support spring 10, telescopic link 12 follows spring 10's extension or shrink and changes, and then supports fixture block 11 for difficult emergence is rocked and more stable when fixture block 11 moves.

The opposite ends of the two springs 10 are fixed with fixture blocks 11, the outer surfaces of the fixture blocks 11 are attached to the inner side walls of the fixture grooves, the outer surface of the shell a2 is also fixed with a pen clip 13, and the fixture blocks 11 and the fixture grooves are both semicircular (see fig. 2, 3 and 4); through setting up semicircular fixture block 11 and draw-in groove, and then can utilize the arcwall face of fixture block 11 to make its extrusion spring 10 take place to warp and contract, promoted the use convenience greatly.

When using, the nurse makes the battery 6 supply power for light 4 through press switch 5, and then make light 4 open, the nurse takes up pupil pen main part 1 and shines to patient's eyes, and pull out corresponding diameter ratio to board 8 according to patient's pupil size, carry the diameter ratio to board 8 through operating the arc wall when pulling out, and outside pulling makes fixture block 11 break away from outside draw-in groove under semicircular fixture block 11 and semicircular draw-in groove effect, and then pull out the diameter ratio to board 8, draw out complete back fixture block 11 card under spring 10's elastic action and advance inside draw-in groove internal diameter ratio and fix spacingly to board 8, and then can compare the semicircle of possible diameter on the pupil along the light source, can accurately measure pupil diameter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a diameter measuring pupil pen, includes pupil pen main part (1), its characterized in that: the pupil pen main body (1) mainly comprises a shell a (2) and a shell b (3), the shell a (2) is in threaded connection with the shell b (3), an illuminating lamp (4) is installed at the left end of the shell a (2), a switch (5) is installed on the right side face of the shell b (3), a battery (6) is arranged inside the shell a (2), the illuminating lamp (4) is electrically connected with the battery (6) through the switch (5), a fixing ring (7) is installed on the inner side wall of the shell a (2), a plurality of accommodating grooves are formed in the outer surface of the fixing ring (7), the diameter ratio of the inner side wall of each accommodating groove is opposite to the plate (8), a semicircular measuring hole (9) is formed in the diameter ratio of the diameter of the accommodating groove opposite to the plate (8), and clamping grooves are formed in the upper side face, the lower side face, the drawing hole has been seted up to the position of pair board (8) to the diameter ratio on casing a (2) surface, and the left and right sides face of the downthehole lateral wall of drawing all seted up the recess, and the inside wall of two recesses all is fixed with spring (10), and the one end that two spring (10) are relative all is fixed with fixture block (11), the surface of fixture block (11) and the inside wall laminating of draw-in groove, the surface of casing a (2) still is fixed with pen clip (13).

2. The calipers pupil pen of claim 1, wherein: the number of the diameter ratio pair plates (8) is seven, and if the diameters of the measuring holes (9) on the seven diameter ratio pair plates (8) are 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm and 5mm in sequence.

3. The calipers pupil pen of claim 1, wherein: the outer surface of telescopic link (12) is established in the cover of spring (10), the both ends of telescopic link (12) respectively with the inside wall of recess and a side fixed connection of fixture block (11).

4. The calipers pupil pen of claim 1, wherein: an internal thread is formed in the inner surface of the right end of the shell a (2), an external thread is formed in the outer surface of the left end of the shell b (3), and the shell a (2) and the shell b (3) are fixedly connected through the external thread and the internal thread.

5. The calipers pupil pen of claim 1, wherein: the left side and the right side of the drawing hole in the shell a (2) are provided with operation arc-shaped grooves.

6. The calipers pupil pen of claim 1, wherein: the shapes of the clamping block (11) and the clamping groove are semicircular.

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