CN214966893U - Paediatrics is with oral cavity ware that opens and shuts - Google Patents
Paediatrics is with oral cavity ware that opens and shuts Download PDFInfo
- Publication number
- CN214966893U CN214966893U CN202120643722.4U CN202120643722U CN214966893U CN 214966893 U CN214966893 U CN 214966893U CN 202120643722 U CN202120643722 U CN 202120643722U CN 214966893 U CN214966893 U CN 214966893U
- Authority
- CN
- China
- Prior art keywords
- toothed plate
- gear
- oral cavity
- rack
- pin shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000214 mouth Anatomy 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 description 2
- 210000002455 dental arch Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004357 third molar Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses an oral cavity ware that opens and shuts for paediatrics, include: the lower toothed plate is hinged with the upper toothed plate; the lower toothed plate is provided with a sliding groove, and a rack is arranged in the sliding groove; the rack is bonded with a gear, the gear is connected through a transmission shaft, a rotating mechanism is arranged on the transmission shaft, and the gear is provided with a fixed shaft; one end of the supporting rod is connected with the upper toothed plate, and the other end of the supporting rod is movably connected with the fixed shaft; the fixed block is arranged at one end of the lower toothed plate facing to the outer side; the threaded rod is in threaded connection with the fixed block and penetrates through the fixed block to be connected with the rotating mechanism; the utility model discloses a thereby the meshing of gear and rack removes and makes the bracing piece prop the height of going up the pinion rack, has improved the precision that the pinion rack rises, further improves the security of opening and shutting the ware.
Description
Technical Field
The utility model relates to an oral cavity opening and closing device for pediatrics belongs to medical instrument technical field.
Background
The mouth is the initial part of the digestive tract. The anterior part is communicated with the outside through the cleft mouth, and the posterior part is continued with the pharynx through the angina. There are organs such as teeth and tongue in the oral cavity. The front wall of the oral cavity is lip, the side wall is cheek, the top is palate, the bottom of the oral cavity is mucous membrane and muscle. The oral cavity is divided into an oral cavity vestibule at the front outer side part and an inherent oral cavity at the back inner side part by an upper dental arch and a lower dental arch; when the upper and lower teeth are occluded, the vestibule of the oral cavity is communicated with the inherent oral cavity by a gap behind the third molar. Clinically, when the patient has tightly closed teeth, an opener or a cannula can be arranged through the passage to inject medicines or nutrient substances, and simultaneously, the tongue is prevented from being bitten.
The height that current ware that opens and shuts is difficult to the medical personnel to hold when using, and the transition is opened and shut easily, causes the injury to patient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide an oral cavity ware that opens and shuts for paediatrics.
An oral cavity opener for pediatrics, comprising:
the lower toothed plate is hinged with the upper toothed plate; the lower toothed plate is provided with a sliding groove, and a rack is arranged in the sliding groove; the rack is bonded with a gear, the gear is connected through a transmission shaft, a rotating mechanism is arranged on the transmission shaft, and the gear is provided with a fixed shaft;
one end of the supporting rod is connected with the upper toothed plate, and the other end of the supporting rod is movably connected with the fixed shaft;
the fixed block is arranged at one end of the lower toothed plate facing to the outer side;
the threaded rod is in threaded connection with the fixed block and penetrates through the fixed block to be connected with the rotating mechanism.
Furthermore, the rotating mechanism comprises a first bevel gear arranged on the transmission shaft and a second bevel gear arranged at one end of the threaded rod;
the first bevel gear is meshed with the second bevel gear.
Furthermore, the lower toothed plate is provided with a tongue depressor.
Further, the other end of the threaded rod is provided with a rotating flange.
Furthermore, the lower toothed plate and the upper toothed plate are provided with a pin shaft and a pin shaft cylinder, one of the pin shaft and the pin shaft cylinder is arranged on the lower toothed plate, the other pin shaft and the pin shaft cylinder are arranged on the upper toothed plate, and the pin shaft is inserted into the pin shaft cylinder.
Furthermore, the bracing piece other end is equipped with the hinge cover, the position that goes up the pinion rack and correspond the hinge cover is equipped with the hinge pole, the hinge cover plug-in connects in the hinge pole.
Compared with the prior art, the utility model discloses the beneficial effect who reaches: the utility model discloses a thereby the meshing of gear and rack removes and makes the bracing piece prop the height of going up the pinion rack, has improved the precision that the pinion rack rises, further improves the security of opening and shutting the ware.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the connection between the lower toothed plate and the upper toothed plate of the present invention;
fig. 3 is a schematic view of the rotating mechanism of the present invention.
In the figure: 1. a lower toothed plate; 2. an upper toothed plate; 3. a tongue depressor; 4. a drive shaft; 5. a gear; 6. a support bar; 7. a rotation mechanism; 71. a first bevel gear; 72. a second bevel gear; 8. a fixed block; 9. a threaded rod; 10. rotating the flange; 11. a fixed shaft; 12. a pin shaft; 13. a rack; 14. a chute; 15. a pintle barrel; 16. a hinge sleeve; 17. a hinged lever.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 3, disclosed is an oral cavity opener for pediatrics, comprising:
the lower toothed plate 1 is hinged with an upper toothed plate 2; the lower toothed plate 1 is provided with a sliding groove 14, and a rack 13 is arranged in the sliding groove 14; the rack 13 is adhered with a gear 5, the gear 5 is connected through a transmission shaft 4, the transmission shaft 4 is provided with a rotating mechanism 7, and the gear 5 is provided with a fixed shaft 11;
one end of the support rod 6 is connected with the upper toothed plate 2, and the other end of the support rod 6 is movably connected with the fixed shaft 11;
the fixing block 8 is arranged at one end, facing outwards, of the lower toothed plate 1;
the threaded rod 9 is in threaded connection with the fixed block 8, penetrates through the fixed block 8 and is connected with the rotating mechanism 7;
as shown in fig. 1, the rotating flange 10 is rotated to rotate the threaded rod 9, the threaded rod 9 is rotated along the fixed block 8, and the rotating shaft 4 is driven by the rotating mechanism 7 to move along the lower toothed plate 1; the rotating shaft 4 drives the gear 5 to move along the rack 13 in a meshing manner, the gear 5 moves back and forth to drive the opening angle of the supporting rod 6, the opening angle of the supporting rod 6 determines the opening height of the upper toothed plate 2, and the threaded rod 9 is reversed if the upper toothed plate is required to be closed.
In this embodiment, the rotating mechanism 7 includes a first bevel gear 71 disposed on the transmission shaft 4, and a second bevel gear 72 disposed at one end of the threaded rod 9; the first bevel gear 71 is meshed with the second bevel gear 72; in this embodiment, two bevel gears are engaged to move the rotating shaft 4 back and forth to drive the gear 5 to rotate.
In order to facilitate medical staff to observe conditions in the oral cavity, the lower toothed plate 1 is provided with a tongue depressor 3 for blocking the tongue, preventing the tongue from tilting and blocking the sight line and improving the range of observation sight line.
The lower toothed plate 1 and the upper toothed plate 2 are provided with a pin shaft 12 and a pin shaft cylinder 15, one of the pin shaft and the pin shaft cylinder is arranged on the lower toothed plate 1, the other pin shaft and the pin shaft cylinder is arranged on the upper toothed plate 2, and the pin shaft 12 is inserted into the pin shaft cylinder 15.
The other end of the support rod 6 is provided with a hinge sleeve 16, a hinge rod 17 is arranged at the position of the upper toothed plate 2 corresponding to the hinge sleeve 16, and the hinge sleeve 16 is inserted into the hinge rod 17.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides an oral cavity ware that opens and shuts for paediatrics, characterized by includes:
the lower toothed plate (1) is hinged with the upper toothed plate (2); the lower toothed plate (1) is provided with a sliding groove (14), and a rack (13) is arranged in the sliding groove (14); a gear (5) is bonded on the rack (13), the gears (5) are connected through a transmission shaft (4), a rotating mechanism (7) is arranged on the transmission shaft (4), and a fixed shaft (11) is arranged on the gear (5);
one end of the support rod (6) is connected with the upper toothed plate (2), and the other end of the support rod (6) is movably connected with the fixed shaft (11);
the fixing block (8) is arranged at one end, facing outwards, of the lower toothed plate (1);
the threaded rod (9), threaded rod (9) and fixed block (8) threaded connection, and pass fixed block (8) and be connected with rotary mechanism (7).
2. The pediatric oral cavity opener according to claim 1, wherein the rotating mechanism (7) comprises a first bevel gear (71) arranged on the transmission shaft (4) and a second bevel gear (72) arranged at one end of the threaded rod (9);
the first bevel gear (71) is meshed with the second bevel gear (72).
3. Pediatric oral shutter according to claim 1, characterized in that the lower toothed plate (1) is provided with a tongue depressor (3).
4. Pediatric oral shutter according to claim 1, characterized in that the threaded rod (9) is provided at the other end with a rotary flange (10).
5. The pediatric oral cavity opener according to claim 1, wherein the lower dental plate (1) and the upper dental plate (2) are provided with a pin shaft (12) and a pin shaft cylinder (15), one of which is provided on the lower dental plate (1) and the other of which is provided on the upper dental plate (2), and the pin shaft (12) is inserted into the pin shaft cylinder (15).
6. The pediatric oral cavity opener according to claim 1, wherein the other end of the support rod (6) is provided with a hinge sleeve (16), the upper toothed plate (2) is provided with a hinge rod (17) corresponding to the hinge sleeve (16), and the hinge sleeve (16) is inserted into the hinge rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120643722.4U CN214966893U (en) | 2021-03-30 | 2021-03-30 | Paediatrics is with oral cavity ware that opens and shuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120643722.4U CN214966893U (en) | 2021-03-30 | 2021-03-30 | Paediatrics is with oral cavity ware that opens and shuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214966893U true CN214966893U (en) | 2021-12-03 |
Family
ID=79161544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120643722.4U Expired - Fee Related CN214966893U (en) | 2021-03-30 | 2021-03-30 | Paediatrics is with oral cavity ware that opens and shuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214966893U (en) |
-
2021
- 2021-03-30 CN CN202120643722.4U patent/CN214966893U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |