TWM622253U - Oral mirror for uniform defogging and cleaning - Google Patents

Abstract

This creation is an oral mirror that can evenly remove fog and clean. It is provided with a handle bar and a mirror portion. An air channel is arranged in the handle bar, and an air inlet and an air outlet are respectively formed at both ends of the handle bar. The mirror part is arranged on the air outlet end of the handle, an air inlet pipe is connected to the air inlet end, and a concave part is arranged between the mirror part and the air outlet; through the above, the concave part makes the air outlet The jetted airflow meets the concave portion and sinks to form a vortex to disturb the jet, thereby achieving the effect of uniform demisting and cleaning.

Description

Oral mirror for uniform defogging and cleaning

This creation relates to an oral mirror that can be defogged and cleaned. In particular, there is a concave portion between the air port and the mirror portion, so that the gas ejected from the air outlet is affected by the concave portion to produce a vortex effect, so that the air jet diffuses and can evenly remove the oral mirror. Fog and Cleaner.

In fact, when dentists diagnose and treat patients, in addition to visual inspection, they often need to use the reflected image of the oral mirror to observe the condition of the teeth or gums in the patient's mouth. Correct medical treatment; therefore, a dental mirror is a necessary medical device for dentists to assist in the diagnosis. As shown in FIGS. 1 and 2 , the conventional oral mirror 10 includes a hollow handle 11 and a mirror portion 12 , an air passage 13 is formed in the hollow handle 11 , and an air inlet is formed at both ends of the handle 11 . 14 and an air outlet 15, the mirror portion 12 is arranged at the end of the air outlet 15 of the handle 11, the end of the air inlet 14 is connected with an air inlet pipe 16, and the handle 11 is for the dentist to hold When the dentist inserts the oral mirror 10 into the patient's oral cavity for medical treatment, the patient's mouth will produce fog on the mirror part 12 due to breathing, which will of course affect the dentist's diagnosis; , When the dentist uses the grinder to cut and grind the affected teeth, the tooth debris and the saliva in the oral cavity will continue to cover and remain on the mirror portion 12. For this, the dentist can use Control the air inlet pipe 16 to input air pressure, so that the air pressure enters the air passage 13 through the air inlet 14, and finally sprays out from the air outlet 15 toward the mirror portion 12, and blows the tooth chips and saliva on the surface of the mirror portion 12 away , while fogging the mirror portion 12 It is eliminated, so that the dentist can clearly see the condition of the teeth in the oral cavity, so as not to affect the accuracy and efficiency of diagnosis and treatment; however, the air system ejected from the air outlet 15 is a high-speed airflow and is ejected in a "V" shape, and the high-speed airflow is emitted by the mirror One side of the mirror portion 12 is blown along its surface, so that the surface of the mirror portion 12 has only a fan-shaped area A that can be cleaned (as shown in Figure 2), and the mirror portion 12 surface other than the fan-shaped area A still remains Tooth scraps, saliva and fog make the mirror portion 12 unable to be completely cleaned and affect the use. It is necessary to improve.

In view of this, in order to improve the above shortcomings, the creator is actively researching and developing to provide an oral mirror that can evenly remove fog and clean. There is a concave part between the air outlet and the mirror part, so that the air ejected from the air outlet meets the concave part and sinks to form a vortex phenomenon, and then the vortex disturbs the jet and spreads out, so as to achieve uniform defogging and cleaning practical effect.

The second purpose of this creation is to make the air intake pipe connected to the dental mirror flexibly steered, so as to achieve the effect of convenient and smooth use.

According to the above-mentioned purpose of the present invention, an oral mirror capable of uniform defogging and cleaning is provided, which is provided with a handle and a mirror portion. The handle is hollow to form an air channel, and the air channel is located at both ends of the handle. An air inlet and an air outlet are respectively formed, the mirror part is arranged at the air outlet end of the handle, the air inlet end is connected with an air inlet pipeline, and a concave part is arranged between the mirror part and the air outlet .

In an embodiment of the present invention, the concave portion is an arc-shaped groove.

In an embodiment of the present invention, an air intake assembly is disposed between the air inlet and the air intake pipeline, the air intake assembly is provided with a connecting seat for assembling the air intake pipeline, and the connecting seat has a A shaft space communicated with the intake pipe, and an L-shaped joint is pivoted in the shaft space, and the L-shaped connection One end of the head is a pivoting part pivoted in the shaft space, and the other end is a joint part connected to the air inlet.

In an embodiment of the present invention, a spring clip with a transverse groove is cut on the inner annular surface of the air inlet end of the handle, and a convex ring is arranged on the outer periphery of the joint portion, and the joint portion can be It is inserted into the air inlet so that the convex ring is locked in the transverse groove.

In an embodiment of the present invention, the axial direction of the shaft space is set to be perpendicular to the intake pipe.

In an embodiment of the present invention, the pivot portion is provided with a shaft hole communicating with the interior of the L-shaped joint, and the shaft hole pivots to form an air valve.

In an embodiment of the present invention, an air intake ring groove with a communication hole is provided outside the pivot portion, the air intake ring groove is communicated with the air intake pipeline, and the communication hole is connected with the shaft hole The air valve has an air adjusting shaft, and the shaft surface of the air adjusting shaft is provided with at least one air passage along the axial direction and at least one air choke passage along the axial direction. Rotating the air valve can make the communication hole correspond to the airway or the airway.

In an embodiment of the present invention, the end of the pivot portion is provided with at least one hook, and the end of the air valve has at least one groove for engaging with the hook.

Through the above, the concave portion makes the air flow out of the air outlet meet the concave portion and sink to form a vortex disturbed air jet, thereby achieving the practical effect of uniform demisting and cleaning.

10: Dental mirror

11: Grip

12: Mirror Department

13: Airway

14: Air intake

15: Air outlet

16: Intake line

A: Sector area

20: Dental mirror

21: Grip

22: Mirror Department

23: Airway

24: Air intake

25: Air outlet

26: Recess

27: Intake line

28: Spring Buckle

281: Transverse groove

30: Intake components

31: Connector

32: Axis space

33: L type connector

34: Pivot part

341: Buckle

35: Joint part

351: convex ring

36: Shaft hole

37: Intake ring groove

371: Connecting hole

38: Air valve

381: Buckle slot

39: Adjust the air shaft

391: Airway

392: Choke

Figure 1 is a schematic cross-sectional view of the prior art;

Figure 2 is a schematic plan view of conventional air jet defogging and cleaning;

Figure 3 is a three-dimensional exploded view of this creation;

Figure 4 is a combined three-dimensional view of this creation;

Figure 5 is a cross-sectional view of the concave part of this creation;

Figure 6 is a schematic plan view of the adjustment angle of the air intake assembly of the present invention.

In order to make your review committee have a further understanding of this creation, hereby give a preferred embodiment and cooperate with the drawings, and the details are as follows:

Please refer to FIGS. 3 to 6 , an oral mirror 20 is provided with a handle 21 and a mirror portion 22 . The handle 21 is hollow to form an air passage 23 , and the air passage 23 is located at two ends of the handle 21 respectively. An air inlet 24 and an air outlet 25 are formed, the mirror portion 22 is arranged at the end of the air outlet 25 of the handle 21 in a bent angle shape, and a concave portion 26 is arranged between the mirror portion 22 and the air outlet 25; An air intake assembly 30 is connected to the end of the air inlet 24 , and the air intake assembly 30 is configured as a set of connecting bases 31 connected to an air intake pipeline 27 , and the connecting base 31 has a connecting seat 31 in communication with the air intake pipeline 27 . the shaft space 32, and the axial direction of the shaft space 32 is perpendicular to the intake pipe 27, the shaft space 32 is pivoted with an L-shaped joint 33 whose angle can be adjusted, and one end of the L-shaped joint 33 is pivoted to the The other end of the pivot portion 34 of the shaft space 32 is a joint portion 35 connected to the air inlet 24 . The pivot portion 34 is provided with a shaft hole 36 communicating with the interior of the L-shaped joint 33 , and the shaft hole 36 pivots A set of air valve 38 which can open or close the input air pressure of the air inlet line 27; in addition, the handle 21 is provided with an elastic buckle piece 28 with a transverse groove 281 on the inner annular surface of the end of the air inlet 24. , the outer periphery of the joint part 35 of the L-shaped joint 33 is provided with a convex ring 351, the joint part 35 can be inserted into the air inlet 24, so that the convex ring 351 is locked in the transverse groove 281, so that the L The type joint 33 does not detach from the handle 21 by mistake; through the above, the air flow from the air outlet 25 meets the concave portion 26 and sinks to form a vortex to disturb the air jet, thereby achieving uniform demisting, cleaning, and convenient and smooth use. effect.

The composition, function and effect of the above embodiment are described in detail as follows: As shown in Figures 3 to 6, the concave portion 26 of the present creation is a smooth arc-shaped groove, so that the air is injected from the air outlet 25 through the concave portion 26 to the The process of the mirror portion 22 all pass through the smooth surface, so that the air jet of the air outlet 25 can be smoothly and unobstructed, so as to achieve the effect of impairing the air flow strength. In addition, the pivot portion 34 of the L-shaped joint 33 is provided with an intake ring groove 37 having a communication hole 371 outside. The holes 36 communicate with each other, and the end of the pivot portion 34 is provided with at least one hook 341 ; and the air valve 38 has an air adjusting shaft 39 , and the axial surface of the air adjusting shaft 39 is provided with at least one shaft along the axial direction. The air passage 391 and at least one choke passage 392 along the axial direction, the end of the air valve 38 has at least one buckle groove 381 for engaging the buckle hook 341; the shaft space 32 pivots the pivot portion 34 and the pivot The shaft hole 36 of the rotating portion 34 is pivotally assembled with the air valve 38 to form a coaxial structure. In this way, the volume of the air intake assembly 30 can be obviously reduced, and the practical effect of lightness and convenience can be achieved; and rotating the air valve 38 can The communication hole 371 of the air inlet ring groove 37 is made to correspond to the air passage 391 or the choke passage 392 , so that the air inlet pipe 27 can be controlled to open or close the input air pressure. When the joint portion 35 of the L-shaped joint 33 is connected to the handle bar 21 , since the joint portion 35 is engaged with the transverse groove 281 by the annular convex ring 351 , it can be inserted non-directionally and quickly. , and when the handle 21 is connected to the L-shaped joint 33 , the user can freely rotate the handle 21 to adjust the direction of the mirror portion 22 as required, thereby achieving the effect of convenience and speed.

When the present creation performs air jet cleaning, turn the air valve 38 to make the communication hole 371 open the air inlet pipe 27 corresponding to the air passage 391 to input the air pressure, and the air outlet 25 ejects a "V"-like high-speed air flow through the concave portion Above 26, the high-speed airflow makes the air pressure in the recess 26 lower, and the high-speed airflow sinks, and part of the airflow below it forms a vortex phenomenon in the recess 26 (as shown in Figure 5). The collision of the high-speed air flow will cause disturbances, resulting in the phenomenon of spreading the high-speed air flow, thereby increasing the area of the mirror portion 22 covered by the high-speed air flow, so that the air jet can fully cover the mirror portion 22 Cleaning and defogging to achieve uniform defogging and cleaning effects.

Furthermore, the pivot portion 34 of the L-shaped joint 33 can be freely rotated in the shaft space 32 (as shown in FIG. 6 ), so that the connection seat 31 connecting the air intake pipe 27 and the handle are connected The included angle of the L-shaped joint 33 of the rod 21 can be changed arbitrarily. In other words, when the dentist uses the oral mirror 20 for diagnosis and treatment, the air intake line 27 can automatically adjust the most natural hanging direction when the oral mirror 20 moves. The passage of the air intake pipe 27 is smooth, and it is not easy to cause bending and blockage.

It is worth mentioning that the pivot portion 34 of the L-shaped joint 33 of the present invention can be freely rotated in the shaft space 32, and the handle 21 can also be freely rotated relative to the joint portion 35. It is understood that the oral mirror 20 It is extremely smooth and flexible in changing the viewing angle, and there will be no angle adjustment stuck.

Through the above, the concave portion 26 makes the air flow ejected from the air outlet 25 sink to form a vortex disturbing air jet, thereby achieving the practical effect of uniform demisting and cleaning.

The above-mentioned embodiments are only preferred embodiments to fully illustrate the present creation, and are not intended to limit the characteristics of the present creation. Any re-creation using the technical means and creation principles related to the present creation is still the present creation. Equivalent structural creative category.

20: Dental mirror

21: Grip

22: Mirror Department

23: Airway

25: Air outlet

26: Recess

Claims (8)

An oral mirror capable of evenly defogging and cleaning is provided with a handle and a mirror portion, the handle is hollow to form an air channel, and the air channel is respectively formed at both ends of the handle to form an air inlet and a mirror. an air outlet, the mirror part is arranged at the air outlet end of the handle, an air inlet pipeline is connected with the air inlet end, and a concave part is arranged between the mirror part and the air outlet. The oral mirror capable of uniformly defogging and cleaning according to claim 1, wherein the concave portion is an arc-shaped groove. The oral mirror capable of uniformly defogging and cleaning as claimed in claim 1, wherein an air intake assembly is arranged between the air inlet and the air intake pipe, and the air intake assembly is provided with a connecting seat for assembling the air intake pipe The connecting seat has a shaft space communicating with the air intake pipeline, and the shaft space is pivoted with an L-shaped joint, and one end of the L-shaped joint is a pivot part pivoted in the shaft space, which The other end is a joint part connected to the air inlet. The oral mirror capable of uniformly defogging and cleaning according to claim 3, wherein a spring clip with a transverse groove is cut on the inner ring surface of the air inlet end of the handle, and the outer periphery of the joint portion is provided with There is a protruding ring, and the joint part can be inserted into the air inlet, so that the protruding ring is locked in the transverse groove. The oral mirror capable of uniformly defogging and cleaning according to claim 3, wherein the axial direction of the shaft space is set to be perpendicular to the air intake pipe. The oral mirror capable of uniformly defogging and cleaning according to claim 5, wherein the pivot portion is provided with a shaft hole that communicates with the interior of the L-shaped joint, and the shaft hole is pivotally assembled with an air valve. The oral mirror capable of uniform defogging and cleaning according to claim 6, wherein an air inlet ring groove with a communication hole is provided outside the pivot portion, the air inlet ring groove is communicated with the air inlet pipeline, and The communication hole communicates with the shaft hole, and the air valve has an air adjusting shaft. The shaft surface of the air adjusting shaft is provided with at least one air passage along the axial direction and at least one air choke passage along the axial direction. The valve can make the communication hole correspond to the air passage or the air blocking passage. The oral mirror capable of uniformly defogging and cleaning as claimed in claim 6, wherein the end of the pivot portion is provided with at least one hook, and the end of the air valve has at least one groove for engaging with the hook.

Images