A kind of oral photographing hook mechanismTechnical field
The utility model is related to field of oral cavity medical equipment, and in particular to a kind of oral photographing hook mechanism.
Background technology
Oral photographing drag hook is a kind of conventional Medical Devices in mouth cavity orthodontic and oral restoration, and patient is doing orthodonticGenerally need to shoot oral cavity photo before treatment or repairing and treating, in therapeutic process and after treatment end.Current patient is doing oral cavityTwo doctor's cooperative cooperatings, one of doctor's hand-held two oral cavity drag hooks are generally required during photography(An oral cavity drag hook on the other hand)The corners of the mouth of patient oral cavity both sides is pulled open backward, oral photographing is then carried out by another doctor;This causes that current oral cavity is taken the photographShadow cannot individually be completed by a doctor, operation inconvenience.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided one kind makes oral photographing processCan individually be completed by a doctor, easy to operate oral photographing hook mechanism.
The technical solution of the utility model is:
A kind of oral photographing hook mechanism includes guide rod, two sliding sleeves being slidably arranged on guide rod and for driving twoThe sliding sleeve moving mechanism that sliding sleeve is moved along guide rod, the sliding sleeve is provided with lifting hook device, and the lifting hook device includes drag hook sleeve, setsPut the connecting rod of the drag hook clamping screw and connection drag hook sleeve and corresponding sliding sleeve on drag hook sleeve.The oral cavity of this programme is taken the photographShadow hook mechanism allows oral photographing process individually to be completed by a doctor, easy to operate.
Preferably, sliding sleeve moving mechanism include guide pin bushing, be arranged on guide rod middle part and the swivel nut between two sliding sleeves andThrough guide pin bushing and the operation screw rod that is engaged with swivel nut, it is connected by connecting rod between the sliding sleeve and guide pin bushing, one end of connecting rodIt is hinged on sliding sleeve, the other end of connecting rod is hinged on guide pin bushing, the operation screw rod lateral surface is provided with limited block, and guide pin bushing positionBetween limited block and swivel nut.
Preferably, the end of operation screw rod is provided with operation wheel disc, and wheel disc is located at the same side of guide pin bushing with limited block.
Preferably, two sliding sleeves are symmetrically distributed in the opposite sides of the axis of operation screw rod.
Preferably, the axis of operation screw rod is perpendicular with guide rod.
Preferably, lifting hook device also includes the oral cavity drag hook being plugged in drag hook sleeve.
The beneficial effects of the utility model are:With alloing oral photographing process individually to be completed by a doctor, operatedThe characteristics of facilitating.
Brief description of the drawings
Fig. 1 is a kind of structural representation of oral photographing hook mechanism of the present utility model.
In figure:Guide rod 1, sliding sleeve 2, lifting hook device 3, oral cavity drag hook 31, drag hook sleeve 32, drag hook clamping screw 33, connectionBar 34, sliding sleeve moving mechanism 4, guide pin bushing 41, operation screw rod 42, swivel nut 43, connecting rod 44, operation wheel disc 45, limited block 46.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of oral photographing hook mechanism includes 1, two sliding sleeves 2 being slidably arranged on guide rod of guide rodAnd for the sliding sleeve moving mechanism 4 that two sliding sleeves of driving are moved along guide rod, the sliding sleeve is provided with lifting hook device 3.The lifting hook deviceIncluding drag hook sleeve 32, the oral cavity drag hook 31 being plugged in drag hook sleeve, the drag hook clamping screw 33 being arranged on drag hook sleeveAnd connect the connecting rod 34 of drag hook sleeve and corresponding sliding sleeve.Oral cavity drag hook is locked by drag hook clamping screw and inserted in drag hookPut.
Sliding sleeve moving mechanism includes guide pin bushing 41, is arranged on guide rod middle part and the swivel nut 43 between two sliding sleeves and through leadingThe operation screw rod 42 for covering and being engaged with swivel nut.Operate the end of screw rod to pass through swivel nut, spiral shell is passed through between operation screw rod and swivel nutLine is connected.It is connected by connecting rod 44 between sliding sleeve and guide pin bushing.One end of connecting rod is hinged on sliding sleeve, the other end of connecting rodIt is hinged on guide pin bushing.Operate the axis of screw rod perpendicular with guide rod.Two sliding sleeves are symmetrically distributed in the relative of the axis of operation screw rodBoth sides.Operation screw rod lateral surface is provided with limited block 46, and guide pin bushing is located between limited block and swivel nut.The end of screw rod is operated to setThere is operation wheel disc 45, and wheel disc is located at the same side of guide pin bushing with limited block.
Patient is when oral photographing is done:First, drag hook clamping screw is unclamped;Then, by two hook portions of oral cavity drag hookIt is put into the oral cavity of patient and catches on the corners of the mouth of oral cavity both sides(Now can be appropriate the corners of the mouth in oral cavity is pulled open backward), then lead toDrag hook clamping screw is crossed to be locked on drag hook sleeve;Followed by by hand wheel disc spins operation screw rod and by connecting rodDrive two sliding sleeves to move outward, and then drive two oral cavity drag hooks to pull open the corners of the mouth of patient oral cavity both sides backward, until suffering fromThe corners of the mouth of person oral cavity both sides is pulled open in place backward untill.After patient oral cavity is pulled open in place, can be by oral photographing hook mechanismGuide rod and sliding sleeve moving mechanism be directly placed at the front of the patient lain on chaise longue, helped without doctor;Then just can be withCarry out oral photographing.The oral photographing hook mechanism of the present embodiment allows that oral photographing process is individually complete by a doctorInto easy to operate.