CN216652542U - Orthodontic distraction device - Google Patents
Orthodontic distraction device Download PDFInfo
- Publication number
- CN216652542U CN216652542U CN202122501454.5U CN202122501454U CN216652542U CN 216652542 U CN216652542 U CN 216652542U CN 202122501454 U CN202122501454 U CN 202122501454U CN 216652542 U CN216652542 U CN 216652542U
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- screw rod
- half nut
- nut
- mounting seat
- support rods
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Abstract
The utility model relates to an orthodontic spreading device, wherein the left ends of two support rods are hinged on the same mounting seat, the right ends of the two support rods are respectively hinged with a support plate, a transversely extending lead screw is movably mounted on the mounting seat, a connecting block is rotatably mounted at the right end of the lead screw through a polished rod, connecting rods are respectively hinged between the connecting block and the two support rods, a mounting groove with an opening at the top is formed in the mounting seat, and an opening and closing nut matched with the lead screw is arranged in the mounting groove; after the oral cavity support plate is used, the screw rod is rotated reversely to enable the first half nut and the second half nut to loosen the screw rod, then the screw rod is pulled leftwards to drive the two support rods to rotate inwards and close quickly, and finally the two support plates are taken out of the oral cavity.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an orthodontic distraction device.
Background
Deformities of teeth and jaws require orthodontic treatment due to congenital or acquired factors. Need use the oral cavity to strut the ware during orthodontic treatment, current ware structure of strutting is complicated, and complex operation is not convenient for take out in quick follow patient's mouth, uses to experience relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an orthodontic distraction device which is convenient to be taken out of the mouth of a patient quickly so as to solve the problems in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an orthodontic distraction device comprises two support rods which are symmetrically arranged up and down, wherein the left ends of the two support rods are hinged on the same mounting seat, and the right ends of the two support rods are respectively hinged with a support plate; a transversely extending screw rod is movably mounted on the mounting seat, a knob is fixedly mounted at the left end of the screw rod, a connecting block is rotatably mounted at the right end of the screw rod through a polished rod and is positioned between the two support rods, and connecting rods are respectively hinged between the connecting block and the two support rods; be equipped with open-top's mounting groove on the mount pad, be equipped with in the mounting groove with lead screw assorted split nut, split nut includes relative first half nut and the half nut of second that sets up from top to bottom, the lead screw is located first half nut with between the half nut of second, sliding mounting is in about first half nut in the mounting groove, half nut fixed mounting of second is in the bottom of mounting groove, be equipped with on the mount pad and be used for driving the adjustment mechanism that first half nut reciprocated.
According to the preferable technical scheme, two mounting plates are oppositely and fixedly mounted on the right side of the mounting seat in the front-back direction, a small shaft extending in the front-back direction is fixedly mounted at the left end of the supporting rod, and the small shaft is rotatably mounted between the two mounting plates.
As a further improvement, a waist hole transversely penetrating through the mounting seat is formed in the mounting seat, the waist hole is communicated with the mounting groove, and the screw rod penetrates through the waist hole.
As a further improvement, a cover plate for closing the upper end of the mounting groove is fixedly mounted at the top of the mounting seat through a screw.
According to a preferable technical scheme, the adjusting mechanism comprises a nut fixedly mounted on the cover plate, a vertically extending lead screw is screwed on the nut, the lower end of the lead screw is rotatably mounted on the first half nut through a polished rod, and a rotary block is fixedly mounted at the upper end of the lead screw.
By adopting the technical scheme, the orthodontic distraction device comprises two support rods which are symmetrically arranged up and down, wherein the left ends of the two support rods are hinged on the same mounting seat, and the right ends of the two support rods are respectively hinged with a support plate; a transversely extending screw rod is movably mounted on the mounting seat, a knob is fixedly mounted at the left end of the screw rod, a connecting block is rotatably mounted at the right end of the screw rod through a polished rod and is positioned between the two support rods, and connecting rods are respectively hinged between the connecting block and the two support rods; the mounting seat is provided with a mounting groove with an opening at the top, an opening and closing nut matched with the screw rod is arranged in the mounting groove, the opening and closing nut comprises a first half nut and a second half nut which are oppositely arranged up and down, the screw rod is positioned between the first half nut and the second half nut, the first half nut is vertically and slidably mounted in the mounting groove, the second half nut is fixedly mounted at the bottom of the mounting groove, and the mounting seat is provided with an adjusting mechanism for driving the first half nut to move up and down;
the screw rod is rotated in the forward direction to enable the first half nut and the second half nut to tightly hold the screw rod, then the screw rod is rotated in the forward direction to drive the supporting rods to rotate inwards to reduce the propping distance of the two supporting plates, or the screw rod is rotated in the reverse direction to drive the supporting rods to rotate outwards to expand the propping distance of the two supporting plates, and the screw rod has the advantage that the propping distance of the supporting plates is convenient to adjust;
after the oral cavity support plate is used, the screw rod is rotated reversely to enable the first half nut and the second half nut to loosen the screw rod, then the screw rod is pulled leftwards to drive the two support rods to rotate inwards and close quickly, and finally the two support plates are taken out of the oral cavity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a mount of an embodiment of the utility model;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
fig. 4 is a schematic right view of fig. 2.
In the figure: 1-a support bar; 2-mounting a base; 3-a support plate; 4-a screw rod; 5-a knob; 6-connecting blocks; 7-a connecting rod; 8-mounting grooves; 9-a first half nut; 10-a second half-nut; 11-a mounting plate; 12-small shaft; 13-waist hole; 14-a cover plate; 15-a nut; 16-a lead screw; 17-rotating block.
Detailed Description
As shown in fig. 1 to 4, an orthodontic distraction device comprises two support rods 1 which are arranged up and down symmetrically, the left ends of the two support rods 1 are hinged on the same mounting base 2, and the right ends of the two support rods 1 are respectively hinged with a support plate 3; a transversely extending screw rod 4 is movably mounted on the mounting seat 2, a knob 5 is fixedly mounted at the left end of the screw rod 4, a connecting block 6 is rotatably mounted at the right end of the screw rod 4 through a polished rod, the connecting block 6 is positioned between the two support rods 1, and connecting rods 7 are respectively hinged between the connecting block 6 and the two support rods 1; be equipped with open-top's mounting groove 8 on mount pad 2, be equipped with in mounting groove 8 with 4 assorted split nuts of lead screw, split nut includes relative first half nut 9 and the half nut 10 of second that sets up from top to bottom, lead screw 4 is located first half nut 9 with between the half nut 10 of second, slidable mounting is in about first half nut 9 in mounting groove 8, 10 fixed mounting of second half nut is in the bottom of mounting groove 8, be equipped with on the mount pad 2 and be used for driving the adjustment mechanism that first half nut 9 reciprocated.
As shown in fig. 4, two mounting plates 11 are relatively and fixedly mounted on the front and back of the right side of the mounting seat 2, a small shaft 12 extending from front to back is fixedly mounted on the left end of the supporting rod 1, and the small shaft 12 is rotatably mounted between the two mounting plates 11.
As shown in fig. 2, a waist hole 13 transversely penetrating through the mounting seat 2 is formed in the mounting seat 2, the waist hole 13 is communicated with the mounting groove 8, and the screw rod 4 penetrates through the waist hole 13.
As shown in fig. 3, a cover plate 14 for closing the upper end of the mounting groove 8 is fixedly mounted on the top of the mounting seat 2 by screws.
As shown in fig. 2 and 3, the adjusting mechanism includes a nut 15 fixedly mounted on the cover plate 14, a vertically extending lead screw 16 is screwed on the nut 15, the lower end of the lead screw 16 is rotatably mounted on the first half nut 9 through a polish rod, and a rotary block 17 is fixedly mounted at the upper end of the lead screw 16.
The using method comprises the following steps:
when in use, the two supporting plates 3 are put into the oral cavity; the screw rod 16 is rotated forward to move downwards along the screw nut 15, meanwhile, the screw rod 16 drives the first half nut 9 to move downwards to be closed with the second half nut 10, as shown in fig. 2 and 3, the first half nut 9 and the second half nut 10 tightly hold the screw rod 4 to prevent the screw rod from moving left and right along the waist hole 13, and then the screw rod 4 is rotated to adjust the distance between the two supporting plates 3. Specifically, the screw rod 4 is rotated in the forward direction to move left along the split nut, the screw rod 4 drives the connecting block 6 to move left, the connecting block 6 drives the support rod 1 to rotate inwards around the axis of the small shaft 12 through the connecting rod 7, and meanwhile, the support rod 1 drives the two support plates 3 to approach each other, so that the distance for supporting the two support plates 3 is shortened; or the screw rod 4 is rotated reversely to move right along the split nut, the screw rod 4 drives the connecting block 6 to move right, the connecting block 6 drives the supporting rod 1 to rotate outwards around the axis of the small shaft 12 through the connecting rod 7, and meanwhile, the supporting rod 1 drives the two supporting plates 3 to be away from each other, so that the distance for supporting the two supporting plates 3 is enlarged.
After the use is finished, the screw rod 16 is reversely rotated to move upwards along the screw nut 15, meanwhile, the screw rod 16 drives the first half nut 9 to move upwards and separate from the second half nut 10, the first half nut 9 and the second half nut 10 loosen the screw rod 4 and do not limit the screw rod 4 to move left and right along the waist hole 13 any more; the screw rod 4 is pulled leftwards to drive the connecting block 6 to move leftwards greatly, the connecting block 6 drives the two supporting rods 1 to rotate inwards and close quickly through the connecting rod 7, and finally the two supporting plates 3 are taken out of the oral cavity.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. An orthodontic distraction device characterized by: the support device comprises two support rods which are arranged up and down symmetrically, the left ends of the two support rods are hinged on the same mounting seat, and the right ends of the two support rods are respectively hinged with a support plate; a transversely extending screw rod is movably mounted on the mounting seat, a knob is fixedly mounted at the left end of the screw rod, a connecting block is rotatably mounted at the right end of the screw rod through a polished rod and is positioned between the two support rods, and connecting rods are respectively hinged between the connecting block and the two support rods; the mounting structure is characterized in that a mounting groove with an open top is formed in the mounting seat, an opening and closing nut matched with the screw rod is arranged in the mounting groove, the opening and closing nut comprises a first half nut and a second half nut which are oppositely arranged from top to bottom, the screw rod is located between the first half nut and the second half nut, the first half nut is slidably mounted in the mounting groove from top to bottom, the second half nut is fixedly mounted at the bottom of the mounting groove, and an adjusting mechanism used for driving the first half nut to move up and down is arranged on the mounting seat.
2. The orthodontic distraction device of claim 1, wherein: the left end of the supporting rod is fixedly provided with a small shaft which extends forwards and backwards, and the small shaft is rotatably arranged between the two mounting plates.
3. The orthodontic distraction device of claim 2, wherein: the mounting seat is provided with a waist hole which transversely penetrates through the mounting seat, the waist hole is communicated with the mounting groove, and the screw rod penetrates through the waist hole.
4. The orthodontic distraction device of claim 3, wherein: and the top of the mounting seat is fixedly provided with a cover plate for sealing the upper end of the mounting groove through a screw.
5. The orthodontic distraction device of claim 4, wherein: the adjusting mechanism comprises a screw nut fixedly mounted on the cover plate, a vertically extending lead screw is screwed on the screw nut, the lower end of the lead screw is rotatably mounted on the first half nut through a polished rod, and a rotary block is fixedly mounted at the upper end of the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501454.5U CN216652542U (en) | 2021-10-18 | 2021-10-18 | Orthodontic distraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501454.5U CN216652542U (en) | 2021-10-18 | 2021-10-18 | Orthodontic distraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216652542U true CN216652542U (en) | 2022-06-03 |
Family
ID=81765014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122501454.5U Active CN216652542U (en) | 2021-10-18 | 2021-10-18 | Orthodontic distraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216652542U (en) |
-
2021
- 2021-10-18 CN CN202122501454.5U patent/CN216652542U/en active Active
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