CN210673285U - Protective sleeve mounting structure of intraoral scanning instrument - Google Patents

Abstract

The utility model belongs to intraoral scanning device field specifically discloses an intraoral scanning instrument protective sheath mounting structure, including organism and protective sheath, fixedly connected with base on the organism, fixedly connected with fixed station on the base, the fixed station is the cross section and is polygonized column, and base and fixed station each other are the analog and base volume is greater than the fixed station, and each angle arris sideline department of base is equipped with holds the pleat opening, is equipped with the pressure hole in the protective sheath, presses the hole to be the polygon column that corresponds with the base, and the protective sheath is established on the base through pressing the pot head, presses to have between hole lateral wall and the base lateral wall and holds the membrane clearance. The scheme solves the problems that the fixed part of the protective sleeve is abraded due to frequent replacement of the protective sleeve in the prior art, the protective sleeve clamp is loosened at regular time, and the influence is caused on the scanning operation.

Description

Protective sleeve mounting structure of intraoral scanning instrument

Technical Field

The utility model belongs to intraoral scanning device field, concretely relates to intraoral scanning instrument protective sheath mounting structure.

Background

An intraoral three-dimensional scanner generally includes a handheld portion and an endoscopic portion, and when a user (e.g., a dentist) uses the intraoral three-dimensional scanner, the endoscopic portion is inserted into the mouth and contacts with teeth, upper and lower jaws, or a tongue inside the mouth, so that the intraoral three-dimensional scanner is polluted. Therefore, after the endoscope is used, the user usually needs to sterilize the endoscopic portion to ensure the hygiene and safety of the endoscopic portion when entering the mouth of another patient. The sterilization process is performed in a manner that limits the efficiency of use of the intraoral three-dimensional scanner and also limits the operation of the user (e.g., a doctor), and the sterilization process is complicated and is subject to the hygienic safety of the patient if the sterilization process is not performed ideally.

Patent document No. CN201720875759.3 discloses a handheld intraoral three-dimensional scanner, which is characterized by comprising a scanner main body and a protective sheath, wherein the scanner main body comprises a handheld portion and an endoscopic portion, the top of the endoscopic portion comprises an optical channel port, the optical channel port is an outlet through which the scanner main body projects light to an intraoral object to be scanned, and an inlet through which the light reflected by the object to be scanned in the oral cavity is received, the protective sheath comprises a sheath body and a window, the window is made of a transparent material, the sheath body is fittingly sleeved on the endoscopic portion, and when the sheath body is sleeved on the endoscopic portion, the window makes the protective sheath not affect the optical path through the optical channel port. This scheme avoids secondary pollution through setting up removable protective sheath. But often change the protective sheath and cause wearing and tearing to the fixed position of protective sheath, make the protective sheath card regularly produce not hard up to cause the influence to scanning operation.

In addition, during actual operation, the doctor will wear gloves and will typically manually hold the patient's face prior to scanning and visually observe the patient's mouth. In the process, the gloves of the doctor are in contact with the skin of the patient, and the gloves are in contact with the scanning when the scanner is operated, so that the body of the scanner is polluted. When the glove is used again, the glove can cause pollution to the face of a patient, so that the glove can cause pollution to the face of the patient during operation. Therefore, in order to prevent the body of the scanner from being polluted by the gloves, the body is covered by the disposable medical film commonly used, and the gloves are prevented from being in direct contact with the body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intraoral scanning instrument protective sheath mounting structure to solve prior art and often change the protective sheath and cause wearing and tearing to the fixed position of protective sheath, make the protective sheath card regularly produce not hard up, thereby cause the problem of influence to the scanning operation.

In order to achieve the purpose, the utility model discloses a basic scheme provides an intraoral scanning instrument protective sheath mounting structure, including organism and protective sheath, fixedly connected with base on the organism, fixedly connected with fixed station on the base, the fixed station is the cross section and is polygonized column, base and fixed station each other are the analogue and the base volume is greater than the fixed station, each angle arris sideline department of base is equipped with holds the pleat opening, be equipped with the pressure hole in the protective sheath, the pressure hole is the polygon column that corresponds with the base, the protective sheath is established on the base through pressing the pot head, it holds the membrane clearance to have between pressure hole lateral wall and the base lateral wall.

The principle of the basic scheme is as follows: the film is tightly attached to the side wall of the fixed table, and the protective sleeve is sleeved on the base, so that the film is fixed on the machine body. The base produces the friction to the film in the cover in-process of establishing, and the hole wall that presses produces the friction to the film, has consequently avoided producing the friction between protective sheath and the base, because film material intensity is lower, consequently wearing and tearing generally be the film to protective sheath and base have been protected.

Because the film can produce the fold when hugging closely the fixed station, can place the fold in holding the fold opening in, avoid because the fold is too thick to be greater than holding the membrane clearance and cause the unable cover of protective sheath to establish on the base.

The fixing table is arranged to make the film form a relatively fixed form before being compressed and place the formed folds in the fold containing openings, and to make the uncompressed part of the film be located between the hole pressing hole wall and the side wall of the fixing table, so as to prevent the film from affecting the scanning.

The beneficial effect of this basic scheme lies in: 1. this scheme utilization film has avoided producing the friction between protective sheath and the base as the middleware, because film material intensity is lower, consequently wearing and tearing generally be the film to protective sheath and base have been protected.

2. This scheme has set up to the fold that the in-process film produced is established to the cover and has held the fold opening, avoids because the fold is too thick to be greater than holding the membrane clearance and cause the unable cover of protective sheath to establish on the base.

3. The setting of fixed station is convenient for operate in this scheme, prevents simultaneously that the film that is not compressed tightly from influencing the scanning.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a view in the direction A-A of FIG. 1;

fig. 3 is a view in the direction B-B in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: the folding machine comprises a machine body 1, a mounting table 2, a base 3, a folding opening 4, a fixing table 5, a fixing round hole 6, a pressing hole 7 and a protective sleeve 8.

Example (b): the intraoral scanning instrument protective sleeve 8 mounting structure in the scheme is shown in fig. 1, fig. 2 and fig. 3 and comprises a machine body 1 and a protective sleeve 8, wherein a base 3 is integrally formed on the machine body 1. A fixed table 5 is integrally formed on the base 3, and the fixed table 5 is in a column shape with a hexagonal cross section. The base 3 and the fixed table 5 are similar to each other, and the volume of the base 3 is larger than that of the fixed table 5.

The base 3 is integrally formed with a pleat-containing opening 4 at each corner edge line. The protective sleeve 8 is internally and integrally formed with a pressure hole 7. The pressure hole 7 is in a hexagonal column shape corresponding to the base 3, and the protective sleeve 8 is sleeved on the base 3 through the pressure hole 7. And a film accommodating gap is formed between the side wall of the pressure hole 7 and the side wall of the base 3. In this embodiment, the film holding gap is 0.3mm, and the practical film thickness is 0.5 mm.

The fixed table 5 is arranged coaxially with the base 3, and each edge of the fixed table 5 is parallel to each edge of the base 3. The machine body 1 has a mount 2, and the mount 2 is in the form of a circular truncated cone. The base 3 is integrally formed at the small-diameter end of the mounting table 2, the diameter of the small-diameter end of the circular truncated cone is smaller than the distance between opposite sides of the base 3, the diameter of the large-diameter end of the mounting table 2 is larger than the length of the diagonal of the base 3, and the pleat accommodating opening 4 is exposed out of the fixing table 5 so as to be convenient for clamping pleats.

A fixing round hole 6 is integrally formed in the protective sleeve 8, the diameter of the hole wall of the fixing round hole 6 is larger than the small-diameter end of the mounting table 2 and smaller than the large-diameter end of the mounting table 2, the fixing round hole 6 is located between the sleeve opening of the protective sleeve 8 and the pressure hole 7, and the diameter of the fixing round hole 6 is larger than the diagonal length of the base 3. So that the film protective sleeve 8 which is clamped and pressed to be irregular is fixed.

When in use, the film is tightly attached to the side wall of the fixed table 5, and then the protective sleeve 8 is sleeved on the base 3, so that the film is fixed on the machine body 1. The cover is established in-process base 3 and is produced the friction to the film, presses 7 pore walls of hole to produce the friction to the film, has consequently avoided producing the friction between protective sheath 8 and the base 3, because film material intensity is lower, consequently wearing and tearing generally be the film to protective sheath 8 and base 3 have been protected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. Intraoral scanning instrument protective sheath mounting structure, its characterized in that: including organism and protective sheath, fixedly connected with base on the organism, fixedly connected with fixed station on the base, the fixed station is that the cross section is polygonal column, base and fixed station each other are the analog and base volume is greater than the fixed station, each angular edge line department of base is equipped with holds the pleat opening, is equipped with the pressure hole in the protective sheath, presses the hole to be the polygon column that corresponds with the base, and the protective sheath is established on the base through pressing the pot head, presses to have between hole lateral wall and the base lateral wall to hold the membrane clearance.

2. An intraoral scanning instrument protective sheath mounting structure according to claim 1, wherein: the fixing table and the base are coaxially arranged, and each edge of the fixing table is parallel to each edge of the base.

3. An intraoral scanning instrument protective sheath mounting structure according to claim 2, wherein: the machine body is provided with a mounting table, the mounting table is in a round table shape, the base is fixed at the small-diameter end of the mounting table, the diameter of the small-diameter end of the round table is smaller than the opposite side distance of the base, and the diameter of the large-diameter end of the mounting table is larger than the diagonal length of the base.

4. An intraoral scanning instrument protective sheath mounting structure according to claim 3, wherein: the protective sleeve is internally provided with a fixing round hole, the diameter of the hole wall of the fixing round hole is larger than the small-diameter end of the mounting table and smaller than the large-diameter end of the mounting table, the fixing round hole is positioned between the opening of the protective sleeve and the pressure hole, and the diameter of the fixing round hole is larger than the length of the diagonal line of the base.

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