A kind of oral cavity microscope stand
Technical field:
The present invention relates to a kind of oral cavity microscope stand.
Background technology:
Existing oral cavity microscope stand is complicated, is not easy to adjust microscopical angle, in-convenience in use.
Therefore, it is necessory to be improved to prior art to solve the deficiency of prior art.
The content of the invention:
The present invention is to provide a kind of oral cavity microscope stand to solve the above-mentioned problems of the prior art.
The technical solution adopted in the present invention has:A kind of oral cavity microscope stand, including it is base, vertical rod, circuit mounting seat, aobvious
Micromirror suspension frame, universal wheel, bolt, extension spring, pressing plate and housing screw, the vertical rod are vertically connected on base, circuit installation
Seat is rotatably connected in vertical rod, and microscope hanger bracket by bolted splice in circuit mounting seat, located at microscope hang by extension spring
In frame and one end is fixedly connected with bolt, and the other end is fixedly connected with microscope hanger bracket, and pressing plate is in microscope hanger bracket
And one end is sheathed on bolt, the other end is sheathed on housing screw, and housing screw is threaded on microscope hanger bracket simultaneously
Pressing plate is closely against on microscope hanger bracket, universal wheel is fixedly connected on the bottom of base.
Further, the pressing plate includes connecting portion and compressed part, and the compressed part is tilted and is connected on connecting portion;Even
Socket part is provided with hinge hole, and waist-shaped hole is provided with compressed part.
Further, the angle of inclination between the connecting portion and compressed part is 10 °~15 °.
Further, the housing screw includes polished rod portion, threaded portion and tabletting, and the polished rod portion is fixed with threaded portion to be connected
Connect, tabletting is sheathed on threaded portion.
Further, the inwall of the microscope hanger bracket is provided with connecting pin, and the connecting pin is fixed in one end of extension spring
On.
Further, the circuit mounting seat is provided with connection boss, and microscope hanger bracket is articulated with the connection boss.
Further, reinforcing plate is provided between the base and vertical rod.
Further, the vertical rod is telescopic rod, including sub bar, female bar and fixing screws, the sub bar activity grafting
In female bar, fixing screws are threaded on female bar side wall, and one end through female bar side wall and is connected on sub bar.
Further, the top of the sub bar is fixedly connected with rotating shaft, and the rotating shaft is provided with two bearings, the circuit installation
Seat is rotatably connected in the rotating shaft of sub bar by the bearing.
The present invention has the advantages that:
The present invention it is simple in construction, it is easy to use, extension spring is provided with microscope hanger bracket, regulation microscope hanger bracket and
During angle between circuit mounting seat, cushioning effect is played in extension spring, after avoiding housing screw from unclamping, microscope hanger bracket by
In self gravitation and free-falling, prevent microscope hanger bracket from damaging.
Brief description of the drawings:
Fig. 1 is microscope stand structure chart in oral cavity of the present invention.
Fig. 2 is the right view of extension spring and pressing plate in microscope hanger bracket in the present invention.
Fig. 3 is the structure chart of microscope stand center platen in oral cavity of the present invention.
Fig. 4 is the structure chart of housing screw in oral cavity microscope stand of the present invention.
Embodiment:
The present invention is further illustrated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of oral cavity microscope stand of the present invention, including it is base 1, vertical rod 2, circuit mounting seat 3, aobvious
Micromirror suspension frame 4, universal wheel 5, bolt 6, extension spring 7, pressing plate 8 and housing screw 9, vertical rod 2 be fixedly connected on base 1 and with bottom
Seat 1 is perpendicular, and the left end of circuit mounting seat 3 is rotatably connected on the top of vertical rod 2, and right-hand member passes through bolt 6 and microscope hanger bracket 4
It is hinged.Extension spring 7 and pressing plate 8 are located in the inner chamber of microscope hanger bracket 4, and the left end of extension spring 7 is fixedly connected with bolt 6,
Right-hand member is fixedly connected with microscope hanger bracket 4;The left end of pressing plate 8 is sheathed on bolt 6, and right-hand member is sheathed on housing screw 9, pressure
Tight screw 9 is threaded on microscope hanger bracket 4, and pressing plate 8 is closely against on the inwall of microscope hanger bracket 4, universal wheel 5
It is fixedly connected on the bottom of base 1.
Such as Fig. 3, the pressing plate 8 in the present invention includes connecting portion 81 and compressed part 82, and the inclination of compressed part 82 is connected to connecting portion
On 81.Hinge hole 83 is provided with connecting portion 81, waist-shaped hole 84 is provided with compressed part 82.Pressing plate 8 is arranged by hinge hole 83
In on bolt 6, it is sheathed on by waist-shaped hole 84 on housing screw 9.
Angle of inclination in pressing plate 8 between connecting portion 81 and compressed part 82 is 10 °~15 °.
Such as Fig. 4, the housing screw 9 in the present invention includes the polished rod portion 91 and threaded portion 92 being coaxially disposed, polished rod portion 91
Diameter is more than the diameter of threaded portion 92, and tabletting 93 is arranged with threaded portion 92.The threaded portion 92 of housing screw 9 passes through pressing plate 8
On waist-shaped hole 84 and be threaded on microscope hanger bracket 4, tighten housing screw 9, tabletting 93 is by pressing plate 8 tight against micro-
On the inwall of mirror hanger bracket 4.
The present invention is for ease of the right-hand member of extension spring 7 is fixed on microscope hanger bracket 4, in the inwall of microscope hanger bracket 4
Connecting pin 41 is provided with, the right-hand member of extension spring 7 is fixed on the connecting pin 41.
The present invention is for ease of microscope hanger bracket 4 is articulated with circuit mounting seat 3, the company of being provided with circuit mounting seat 3
Boss 31 is connect, microscope hanger bracket 4 is articulated with the connection boss 31.
Vertical rod 2 in the present invention is telescopic rod, including sub bar 21, female bar 22 and fixing screws 23, and the activity of sub bar 21 is inserted
It is connected in female bar 22, fixing screws 23 are threaded in the side wall of female bar 22, and one end through female side wall of bar 22 and is connected to
On sub bar 21.
For ease of circuit mounting seat 3 is rotatably connected in vertical rod 2, rotating shaft 33 is fixedly connected with the top of sub bar 21,
Two bearings 32 are provided with the rotating shaft, circuit mounting seat 3 is rotatably connected in the rotating shaft 33 of sub bar 21 by the bearing 32.
For the stability of the increase present invention, reinforcing plate 10 is provided between base 1 and vertical rod 2.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, some improvement can also be made under the premise without departing from the principles of the invention, and these improvement also should be regarded as the present invention's
Protection domain.