CN213821329U - Oral cavity mouth gag - Google Patents
Oral cavity mouth gag Download PDFInfo
- Publication number
- CN213821329U CN213821329U CN202022634942.9U CN202022634942U CN213821329U CN 213821329 U CN213821329 U CN 213821329U CN 202022634942 U CN202022634942 U CN 202022634942U CN 213821329 U CN213821329 U CN 213821329U
- Authority
- CN
- China
- Prior art keywords
- fixed plate
- oral cavity
- rack
- hinged
- threaded rod
- 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.)
- Active
Links
Images
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses an oral cavity mouth gag, which comprises a fixed plate, wherein the fixed plate is rotatably connected with a pair of symmetrically arranged rotating shafts, the rotating shafts are respectively connected with a crank, the other end of the crank is hinged with a connecting rod, one end of the connecting rod is connected with a wing plate, the other end of the connecting rod is hinged with a rocker, the other end of the rocker is hinged on the fixed plate, and the rocker, the connecting rod and the crank form a parallelogram mechanism; one end of the crank is provided with a connecting part, the connecting part is connected with a half-tooth gear, and the two half-tooth gears are meshed; the back of the fixed plate is provided with a driving gear which is connected to one of the rotating shafts; a rack is also connected to the fixed plate in a sliding manner and meshed with the driving gear; one end of the rack is connected with a bearing, the bearing is connected with a threaded rod, the threaded rod is connected with a nut in a matched mode, and the nut is fixedly connected to the fixing plate. The utility model discloses can solve current mouth gag effectively and be not convenient for the doctor to observe the problem of operating with subsequent treatment to the oral cavity is inside.
Description
Technical Field
The utility model relates to an opener technical field, concretely relates to oral cavity opener.
Background
Oral disease needs the patient to open the mouth when the treatment to keep opening the posture in order to cooperate the treatment, however patient's opening dynamics can not expose the affected part in the treatment process, just so need with the help of the opening instrument, thereby make things convenient for the doctor to realize observing and subsequent treatment operation to oral cavity inside. At present the mouth gag commonly used mainly uses the pliers as major structure, has the layer board through the end fixing at the pincers body, makes its front end open the mouth through the rear end of clenching the pliers, but when keeping the oral cavity open state, need continuously hold the hand, occupy both hands and influence the operation, influence medical personnel and operate, use inconveniently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, an oral cavity mouth gag is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an oral cavity mouth gag, which comprises a fixed plate, wherein the fixed plate is rotatably connected with a pair of symmetrically arranged rotating shafts, the rotating shafts are connected with cranks, the other ends of the cranks are hinged with connecting rods, one ends of the connecting rods are connected with wing plates, the connecting rods are also hinged with rockers, the other ends of the rockers are hinged on the fixed plate, and the rockers, the connecting rods and the cranks form a parallelogram mechanism; the end of the crank connected with the rotating shaft is provided with a connecting part, the outer wall of the connecting part is connected with a half-tooth gear, and the two half-tooth gears are meshed; a driving gear is arranged on the back of the fixed plate and connected to one of the rotating shafts; the fixed plate is also connected with a rack in a sliding way, and the rack is meshed with the driving gear; one end of the rack is connected with a bearing, the bearing is connected with a threaded rod, the threaded rod is connected with a nut in a matched mode, and the nut is fixedly connected to the fixing plate.
Preferably, the fixing plate is retracted inwards to form a holding part near two sides of the bottom.
Preferably, a sliding rail is arranged on the fixing plate and is in sliding connection with the rack.
Preferably, the bottom end of the threaded rod is connected with a hand wheel.
Preferably, the wing plate is made of plastic.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model forms a parallelogram mechanism by arranging the rocker, the connecting rod and the crank, the wing plate is arranged on the connecting rod, and the opening and the closing of the wing plate can be realized by utilizing a pair of meshed half-tooth gears, thereby completing the opening action; in addition, a driving gear is installed on a rotating shaft connected with one of the half-tooth gears, the driving gear is meshed with a rack, the rack is connected with a threaded rod through a bearing, the threaded rod is in threaded connection with a nut fixed on a fixing plate, and therefore when the semi-tooth gear is used, the rack can be driven to slide up and down by rotating the threaded rod, and further rotation of the half-tooth gears is achieved, the opening size of the wing plate is conveniently adjusted to a proper position and kept still at the position, the oral cavity is ensured to be kept in an open state, both hands of medical workers are liberated, and follow-up inspection operation is facilitated.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Description of reference numerals:
1, fixing a plate; 101 a holding part; 2, a crank; 3, rotating a shaft; 4 half-tooth gears; 5 a connecting part; 6, a rocker; 7 connecting rods; 8 wing plates; 9, a nut; 10 a threaded rod; 11 a hand wheel; 12 a drive gear; 13 rack bars; 14, a slide rail; 15 bearing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1-2, the oral cavity mouth gag provided by the present embodiment comprises a fixing plate 1, the fixing plate 1 is overall fish-like, a pair of symmetrically arranged rotating shafts 3 is connected to the fixing plate 1 through a rotating shaft bearing, each rotating shaft 3 is connected with a half-tooth gear 4, and the two half-tooth gears 4 are engaged with each other; the rotating shaft 3 can rotate on the fixing plate 1, the cranks 2 are connected to the rotating shaft 3, the connecting rod 7 is hinged to the other end of each crank 2, one end of each connecting rod 7 is connected with a wing plate 8, the two wing plates 8 are used for opening a mouth, and arc-shaped notches are formed in the outer sides of the wing plates 8 and are convenient to clamp and position; the wing plate 8 can be made of plastic; the connecting rod 7 is also hinged with a rocker 6 at the position close to the wing plate, and the other end of the rocker 6 is hinged on the fixed plate 1, wherein the rocker 6, the connecting rod 7 and the crank 2 form a parallelogram mechanism which is a hinged four-bar mechanism; the end of the crank 2 connected with the rotating shaft 3 is provided with a connecting part 5, the connecting part 5 is circular, the outer wall of the connecting part 5 is connected with the half-tooth gear 4, and the two half-tooth gears 4 are meshed; a driving gear 12 is arranged on the back of the fixed plate 1, and the driving gear 12 is connected to one of the rotating shafts 3; a rack 13 is also connected to the fixed plate 1 in a sliding manner, and the rack 13 is meshed with the driving gear 12; one end of the rack 13 is connected with a bearing 15, the rack 13 is connected with the outer ring of the bearing 15, the inner ring of the bearing 15 is connected with a threaded rod 10, the threaded rod 10 is connected with a nut 9 in a matching mode, and the nut 9 is fixedly connected onto the fixing plate 1.
For the convenience of holding by the worker, the two sides of the fixing plate 1 near the bottom are retracted inward to form the holding part 101.
The fixed plate 1 is provided with a slide rail 14, and the slide rail 14 is connected with the rack 13 in a sliding manner.
For convenient rotation, the bottom end of the threaded rod 10 is connected with a hand wheel 11.
The specific working process is as follows:
when using, through rotatory hand wheel 11, hand wheel 11 drives threaded rod 10 and rotates, because there is the setting of bearing 15, threaded rod 10 can drive rack 13 when rotating and remove, because rack 13 and driving gear 12 mesh, rack 13 can drive driving gear 12 rotatory when removing, driving gear 12 is rotatory can drive pivot 3 and rotate, pivot 3 rotates and can drive half-tooth gear 4 rotatory, and then can realize two crank 2's rotation, crank 2 can drive pterygoid lamina 8 through connecting rod 7 and rocker 6 at rotatory in-process and be close to or keep away from, and then realize opening or closing of two pterygoid lamina 8, when adjusting suitable angle of opening, stop rotatory hand wheel 11 can.
Therefore, the device is provided with the rocker 6, the connecting rod 7 and the crank 2 to form a parallelogram mechanism, the wing plate 8 is arranged on the connecting rod 7, and the wing plate 8 can be opened and closed by utilizing the pair of meshed half-tooth gears 4, so that the opening action is completed; in addition, a driving gear 12 is installed on a rotating shaft 3 connected with one of the half-tooth gears 4, a rack 13 is meshed with the driving gear 12, the rack 13 is connected with a threaded rod 10 through a bearing 15, the threaded rod 10 is in threaded connection with a nut 9 fixed on the fixing plate 1, and therefore when the medical examination appliance is used, the rack 13 can be driven to slide up and down by rotating the threaded rod 10, rotation of the half-tooth gears 4 is achieved, the size of an opening of the wing plate 8 can be conveniently adjusted to a proper position and can be kept still at the proper position, the oral cavity is guaranteed to be kept in an open state, both hands of medical staff are liberated, and follow-up examination operation is facilitated.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. An oral cavity mouth gag is characterized by comprising a fixed plate, wherein the fixed plate is rotatably connected with a pair of symmetrically arranged rotating shafts, the rotating shafts are connected with cranks, the other ends of the cranks are hinged with connecting rods, one ends of the connecting rods are connected with wing plates, the connecting rods are also hinged with rockers, the other ends of the rockers are hinged on the fixed plate, and the rockers, the connecting rods and the cranks form a parallelogram mechanism; the end of the crank connected with the rotating shaft is provided with a connecting part, the outer wall of the connecting part is connected with a half-tooth gear, and the two half-tooth gears are meshed; a driving gear is arranged on the back of the fixed plate and connected to one of the rotating shafts; the fixed plate is also connected with a rack in a sliding way, and the rack is meshed with the driving gear; one end of the rack is connected with a bearing, the bearing is connected with a threaded rod, the threaded rod is connected with a nut in a matched mode, and the nut is fixedly connected to the fixing plate.
2. The oral cavity opener of claim 1, wherein the two sides of the fixing plate near the bottom are retracted inward to form a grip portion.
3. The oral cavity mouth gag of claim 1, wherein a sliding rail is arranged on the fixing plate and is in sliding connection with the rack.
4. The oral cavity opener of claim 1, wherein a hand wheel is connected to a bottom end of the threaded rod.
5. The oral cavity opener of claim 1, wherein the flap is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022634942.9U CN213821329U (en) | 2020-11-12 | 2020-11-12 | Oral cavity mouth gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022634942.9U CN213821329U (en) | 2020-11-12 | 2020-11-12 | Oral cavity mouth gag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213821329U true CN213821329U (en) | 2021-07-30 |
Family
ID=77016281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022634942.9U Active CN213821329U (en) | 2020-11-12 | 2020-11-12 | Oral cavity mouth gag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213821329U (en) |
-
2020
- 2020-11-12 CN CN202022634942.9U patent/CN213821329U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213821329U (en) | Oral cavity mouth gag | |
| CN208323357U (en) | A kind of Infectious Disease's Medical instrument fixture | |
| CN213641799U (en) | Be used for dedicated nursing case of cardiovascular | |
| CN114246735B (en) | First-aid kit for surgical treatment | |
| CN215384226U (en) | Handle type biopsy forceps capable of stably clamping | |
| CN215739729U (en) | Bone stretching device for clinical traditional Chinese medicine | |
| CN108904049B (en) | Clinical intubation operation application apparatus | |
| CN212929603U (en) | Lighting device for watching and examining in department of stomatology | |
| CN207627574U (en) | Ancon rehabilitation training instrument | |
| CN215536249U (en) | Postoperative rehabilitation exercise device for breast surgery nursing | |
| CN214018376U (en) | Surgical hand nursing device | |
| CN215383902U (en) | Gastroscope ware of adding medicine to for gastroenterology | |
| CN215875432U (en) | Oral opening and closing function trainer | |
| CN208551869U (en) | Per os nasopharynx biopsy naso-pharyngeal biopsy forceps | |
| CN110693584A (en) | Nerve interventional therapy instrument conveyor | |
| CN210842952U (en) | Paediatrics is with oral cavity inspection auxiliary assembly with adjustable | |
| CN215914804U (en) | Foreign matter remove device is used to otolaryngology branch of academic or vocational study with subassembly prevents quivering | |
| CN211213525U (en) | Medical treatment is with getting at uniform velocity rotatory device of putting | |
| CN209899340U (en) | Department of stomatology inspects mouth mirror device | |
| CN218572171U (en) | High strutting arrangement for oral examination of stable form | |
| CN215425882U (en) | Orthopedic finger recovery device | |
| CN219048654U (en) | Traction device for operation | |
| CN216365795U (en) | Finger opening bracket for hand surgery | |
| CN103083118B (en) | Drive-by-cable type mechanical arm | |
| CN217525075U (en) | Mouth mirror for oral medicine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |