CN217828121U

CN217828121U - Gingiva expelling device with changeable angle

Info

Publication number: CN217828121U
Application number: CN202221834552.9U
Authority: CN
Inventors: 吴凡; 尹曦; 门贝; 李永军
Original assignee: Wuhan Dazhong Dental Medical Co ltd
Current assignee: Wuhan Dazhong Dental Medical Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-18
Anticipated expiration: 2032-07-13

Abstract

The utility model provides a gingival retraction device with changeable angles, relating to the technical field of gingival retraction devices. This gingival retraction device of convertible angle is including gingival retraction device body, gingival retraction device body one side is provided with first lug, first lug top joint has the second lug, the first extension board of second lug top fixedly connected with, first extension board one side fixedly connected with slide, first extension board top fixedly connected with spring, first lug one side joint has the slide bar. This gingival retraction device of convertible angle promotes the direction motion of slide bar to first lug, blocks into first lug and first backup pad inside in proper order, meanwhile, the dead lever just in time blocks into second fixed block one side, and then can make gingival retraction head and gingival retraction device body high-speed joint together, and this structure is of value to fast more changing gingival retraction head to this is convenient for use various not big or small gingival retraction head, increases the practicality of gingival retraction device body, and it is fast to change simultaneously.

Description

Gingival retraction device with changeable angle

Technical Field

The utility model relates to a gingival retraction device, in particular to a gingival retraction device with a changeable angle, which belongs to the technical field of gingival retraction devices.

Background

The placement of the retraction cord within the gingiva with a gap between the gingival margin of the prepared tooth and the gingiva is called retraction, and most commonly mechanical retraction is facilitated by a tray-on-tray approach. Namely, a resin crown for repairing a tooth is manufactured on a preliminary model obtained after preparation of a tooth body by using self-setting resin, a gap of 0.5 to 1.0 mm is reserved between the resin crown and the prepared body, and the edge of the gap is inserted into a gingival sulcus. The impression material is injected into the resin crown and then positioned on the tooth preparation body, then the tray filled with the impression material is positioned in the mouth, and the tray is taken out after solidification, so that the preparation of the impression is completed, which is the most common method in clinic. According to the difference of the gingival sulcus, gingival retraction lines with different thicknesses are selected, and a special gingival retraction instrument is used for pressing the gingival sulcus of a person. The gingival retraction cord can be divided into gingival retraction-free liquid and gingival retraction-containing liquid according to the existence of the gingival retraction-free liquid.

When the traditional gingival retraction device with the changeable angle is used, the gingival retraction device is integrated, is divided into shapes with different sizes, is relatively poor in practicability and single, increases the medical cost easily, and can not replace gingival retraction heads with different sizes, so that the gingival retraction device with the changeable angle can be improved and designed, and the problems above are solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a gingival retraction device of convertible angle in order to solve above-mentioned problem to solve among the prior art gingival retraction device when using, generally gingival retraction device is all integrative, divide into each shape that differs in size, and the practicality is relatively poor, and is also relatively more single, increases medical cost easily, can not change the problem of the not gingival retraction head of equidimension.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: gingival retraction device of convertible angle, including gingival retraction device body, gingival retraction device body one side is provided with first lug, first lug top joint has the second lug, the first extension board of second lug top fixedly connected with, first extension board one side fixedly connected with slide, first extension board top fixedly connected with spring, first lug one side joint has the slide bar, the slide bar joint is in first extension board one side, slide bar one side fixedly connected with dead lever, gingival retraction device body one side is provided with adjusting part.

Preferably, adjusting part includes the worm, worm top meshing is connected with the worm wheel, worm wheel one side fixedly connected with dwang, the gingival head is arranged to dwang outside fixedly connected with, through setting up worm and worm wheel, and then can rotate through the worm and drive the worm wheel and rotate, and the worm wheel rotates and drives the gingival head rotation of row to this angle that can the rapid adjustment arrange the gingival head.

Preferably, be connected with the second fixed block on one side of the gingival retraction device body, second fixed block one side is provided with first fixed block, through setting up second fixed block and first fixed block to this makes and is detachable construction between gingival retraction device body and the gingival retraction head, so that gingival retraction head is convenient for change.

Preferably, the third supporting plate is fixedly connected to the top of the first fixing block, the third supporting plate is rotatably connected to the outer side of the rotating rod, the number of the third supporting plates is two, the other third supporting plate is rotatably connected to the outer side of the worm, and the worm and the rotating rod can be supported by the third supporting plate, so that the worm and the rotating rod can be operated more stably.

Preferably, the second fixing block is fixedly connected to the bottom of the first bump, the second fixing block is connected to the outer side of the sliding rod in a sliding mode, and the second fixing block is connected to the outer side of the fixing rod in a clamping mode.

Preferably, first draw-in groove has been seted up at first lug top, through first draw-in groove joint between first lug and the second lug, through setting up first lug and second lug, and then can make the gum ware body of row and the gum head of row fixed together fast.

Preferably, a second clamping groove is formed in one side of the first support plate, the slide rod is connected with the first support plate through the second clamping groove in a clamped mode, a second support plate is fixedly connected to one end of the spring, the second support plate is fixedly connected to one side of the first fixed block, the second support plate is arranged, the spring can be supported, the spring can drive the first support plate to move, the first support plate moves to drive the second protruding block to move, and then the first protruding block is rapidly inserted into the first protruding block.

The utility model provides a gingival retraction device of convertible angle, its beneficial effect who possesses as follows:

1. this gingival retraction device of convertible angle, first lug can extrude second lug upward movement to a side motion, second lug upward movement drives first lug upward movement, first lug upward movement can extrude the spring shrink, when making first draw-in groove aim at the second lug, the second lug receives the elasticity of spring this moment, and then inside the card advances first draw-in groove, promote the direction motion of slide bar to first lug again this moment, inside first lug and the first lug of card advance in proper order, meanwhile, the dead lever just in time card advances second fixed block one side, and then can make gingival retraction and gingival retraction device body high-speed joint together, this structure is of value to changing more the gingival retraction head fast, thereby be convenient for use the gingival retraction head of various not equidimensions, increase the practicality of gingival retraction device body, change fastly simultaneously.

2. This gingival retraction device of convertible angle when the angle of gingival retraction head is adjusted to needs, can rotate the worm this moment, and the worm rotates and drives the worm wheel and rotate, and the worm wheel rotates and drives the dwang and rotate, and the dwang rotates and drives gingival retraction head and rotate to this angle that can quick adjustment gingival retraction head, with this practicality that increases gingival retraction head, make things convenient for the operator to operate simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the rotating rod of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of a second bump structure according to the present invention.

In the figure: 1. a gingival retraction device body; 2. a first bump; 3. a second bump; 4. a first support plate; 5. a spring; 6. a slide bar; 7. a fixing rod; 8. a first card slot; 9. a second card slot; 10. a slide plate; 11. a second support plate; 12. a worm; 13. a worm gear; 14. rotating the rod; 15. removing gum heads; 16. a third support plate; 17. a first fixed block; 18. and a second fixed block.

Detailed Description

The embodiment of the utility model provides a gingival retraction device of convertible angle.

Referring to fig. 1, 2 and 4, the device comprises a gingival retraction device body 1, a first convex block 2 is arranged on one side of the gingival retraction device body 1, a second convex block 3 is clamped on the top of the first convex block 2, a first support plate 4 is fixedly connected on the top of the second convex block 3, a sliding plate 10 is fixedly connected on one side of the first support plate 4, a spring 5 is fixedly connected on the top of the first support plate 4, a sliding rod 6 is clamped on one side of the first convex block 2, the sliding rod 6 is clamped on one side of the first support plate 4, a fixing rod 7 is fixedly connected on one side of the sliding rod 6, an adjusting component is arranged on one side of the gingival retraction device body 1, a second fixing block 18 is fixedly connected on one side of the gingival retraction device body 1, a first fixing block 17 is arranged on one side of the second fixing block 18, and the second fixing block 18 and the first fixing block 17 are arranged, so that the gingival retraction device body 1 and the gingival retraction head 15 are in a detachable structure, and the gingival retraction device head 15 can be replaced, the second fixing block 18 is fixedly connected to the bottom of the first bump 2, the second fixing block 18 is connected to the outer side of the sliding rod 6 in a sliding mode, the second fixing block 18 is connected to the outer side of the fixing rod 7 in a clamping mode, a first clamping groove 8 is formed in the top of the first bump 2, the first bump 2 and the second bump 3 are connected in a clamping mode through the first clamping groove 8, the first bump 2 and the second bump 3 are arranged, the gum expelling device body 1 and the gum expelling head 15 can be rapidly fixed together, a second clamping groove 9 is formed in one side of the first support plate 4, the sliding rod 6 and the first support plate 4 are connected in a clamping mode through the second clamping groove 9, one end of the spring 5 is fixedly connected with the second support plate 11, the second support plate 11 is fixedly connected to one side of the first fixing block 17, the spring 5 can be supported through the second support plate 11, the spring 5 can drive the first support plate 4 to move conveniently, the first support plate 4 moves to drive the second bump 3 to move, thereby being rapidly inserted into the first bump 2.

Specifically, the method comprises the following steps: when using this gingival retraction device body 1, at this moment at first can install gingival retraction head 15 as required, at first press first fixed block 17 to second fixed block 18 one side motion, second fixed block 18 can rotate this moment, second fixed block 18 rotates and drives first lug 2 and rotate, because first lug 2 and second lug 3 one side all set up to the cambered surface, and then first lug 2 to one side motion can extrude second lug 3 and move upwards, second lug 3 upward motion drives first lug 4 upward motion, first lug 4 upward motion can extrude spring 5 and contract, until making first draw-in groove 8 aim at second lug 3, second lug 3 receives the elasticity of spring 5 this moment, and then block into inside first draw-in groove 8, promote the direction motion of worm 6 to first lug 2 again this moment, block into first lug 2 and first bracing piece 4 in proper order inside, meanwhile, dead lever 7 just blocks into second lug 18 one side, and then can make gingival retraction head 15 and gingival retraction device body 1 link together fast, this structure is favorable to the quick change of gingival retraction head and is connected to this three extension board 15 and is set up to the third extension board body 15 and is convenient for the change, this change the third extension board 15, it is connected to the third extension board 16 to rotate the stable more to carry out the third extension board 14, it sets up to be convenient for the third extension board 16, it is convenient for the third extension board to change, it is convenient for the change, it is more to rotate, it is convenient for the third extension board 16, it is convenient for the third extension board to rotate, it is convenient to change, it is convenient for, it is to change, it is convenient for the third extension board to carry out the side to change, it is right side to change, it is convenient to carry out the third extension board 16, it is more.

Referring to fig. 1, fig. 2 and fig. 3 again, the adjusting assembly includes a worm 12, a worm wheel 13 is engaged with the top of the worm 12, a rotating rod 14 is fixedly connected to one side of the worm wheel 13, a gingival retraction head 15 is fixedly connected to the outer side of the rotating rod 14, the worm 12 and the worm wheel 13 are arranged, and then the worm wheel 13 can be driven to rotate through the rotation of the worm 12, and the worm wheel 13 rotates to drive the gingival retraction head 15 to rotate, so that the angle of the gingival retraction head 15 can be adjusted rapidly.

Specifically, the method comprises the following steps: when the angle of row gum head 15 needs to be adjusted, worm 12 can be rotated this moment, and worm 12 rotates and drives worm wheel 13 and rotate, and worm wheel 13 rotates and drives dwang 14 and rotate, and dwang 14 rotates and drives row gum head 15 and rotate to this angle that can quick adjustment row gum head 15 to this increases row gum head 15's practicality, makes things convenient for the operator to operate simultaneously.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Gingival retraction device of convertible angle, including gingival retraction device body (1), its characterized in that: arrange gum ware body (1) one side and be provided with first lug (2), first lug (2) top joint has second lug (3), the first extension board (4) of second lug (3) top fixedly connected with, first extension board (4) one side fixedly connected with slide (10), first extension board (4) top fixedly connected with spring (5), first lug (2) one side joint has slide bar (6), slide bar (6) joint in first extension board (4) one side, slide bar (6) one side fixedly connected with dead lever (7), it is provided with adjusting part to arrange gum ware body (1) one side.

2. The angle-transformable gingival retraction device of claim 1, wherein: the adjusting part comprises a worm (12), the top of the worm (12) is meshed with a worm wheel (13), one side of the worm wheel (13) is fixedly connected with a rotating rod (14), and the outer side of the rotating rod (14) is fixedly connected with a gingival retraction head (15).

3. The angle-transformable gingival retraction device of claim 1, wherein: one side of the gum expelling device body (1) is fixedly connected with a second fixing block (18), and one side of the second fixing block (18) is provided with a first fixing block (17).

4. The angle-convertible gingival retraction device of claim 3, wherein: the top of the first fixing block (17) is fixedly connected with a third support plate (16), the third support plate (16) is rotatably connected to the outer side of the rotating rod (14), the number of the third support plates (16) is two, and the other third support plate (16) is rotatably connected to the outer side of the worm (12).

5. The angle-convertible gingival retraction device of claim 3, wherein: the second fixing block (18) is fixedly connected to the bottom of the first protruding block (2), the second fixing block (18) is connected to the outer side of the sliding rod (6) in a sliding mode, and the second fixing block (18) is connected to the outer side of the fixing rod (7) in a clamping mode.

6. The convertible angle gingival retraction device of claim 1, wherein: a first clamping groove (8) is formed in the top of the first bump (2), and the first bump (2) and the second bump (3) are connected in a clamped mode through the first clamping groove (8).

7. The angle-convertible gingival retraction device of claim 3, wherein: a second clamping groove (9) is formed in one side of the first support plate (4), the sliding rod (6) is connected with the first support plate (4) in a clamped mode through the second clamping groove (9), a second support plate (11) is fixedly connected to one end of the spring (5), and the second support plate (11) is fixedly connected to one side of the first fixing block (17).