CN110721001A - Automatic burnishing device of hand-held type tooth proximal surface - Google Patents

Abstract

The invention discloses a handheld automatic tooth adjacent surface polishing device which comprises a Y-shaped clamping piece, a polishing sand strip arranged on the Y-shaped clamping piece and a handle body used for installing the Y-shaped clamping piece, wherein the handle body comprises a handle shell, a swinging block, a rolling bearing, an eccentric shaft and a driving motor, the swinging block is arranged on the inner wall of the handle shell through the rolling bearing, one end of the swinging block is detachably connected with a grinding head, the other end of the swinging block is provided with a groove, the shaft end of the eccentric shaft is arranged in the groove, and the eccentric shaft is fixedly connected with a motor shaft of the driving motor. The device can be extended into the oral cavity cheaply to polish and polish the adjacent surfaces of the restored teeth at different positions, is convenient to operate, and can effectively reduce the working strength of doctors and relieve the pain of patients. The device direction of polishing is adjustable, the speed of polishing is fast and adjustable, the motion is even, compares and has better effect of polishing in manual polishing.

Description

Automatic burnishing device of hand-held type tooth proximal surface

Technical Field

The invention belongs to the field of dental medical instruments, and particularly relates to a tooth adjacent surface polishing device.

Background

In the dental field, when tooth restoration relates to adjacent surfaces, a dentist needs to polish and polish the adjacent surfaces of restored teeth, and a polishing tool commonly used at present is a polishing sand strip. When the polishing device is used, a doctor holds the polishing sand strip by hand, stretches the polishing sand strip into the mouth of a patient, places the sand strip at a position needing to be polished, and then achieves the purpose of polishing through the reciprocating motion of fingers. In general, repeated sanding of the same location is often required to achieve good sanding results. However, the space in the oral cavity is narrow, and manual operation of doctors (especially male doctors) is very inconvenient, which often results in poor polishing effect and low efficiency and influences long-term prognosis of the affected teeth; meanwhile, the discomfort of the patient can be caused, and the pain of the patient can be increased.

Disclosure of Invention

The technical problem to the aforesaid exists is provided to this application, provides an automatic burnishing device of hand-held type tooth proximal surface to solve present manual operation of polishing inconvenient, inefficiency, the poor problem of effect of polishing.

The technical scheme adopted by the invention is as follows:

a hand-held automatic tooth adjacent surface polishing device,

the polishing device comprises a clamping part and a polishing head,

a polishing sand strip arranged on the clamping part,

a handle body for mounting the clamping part,

the handle body comprises a handle shell, a swinging block, an eccentric shaft and a driving motor which are arranged in the handle shell,

one end of the swinging block is detachably connected with the grinding head, the other end of the swinging block is provided with a groove,

the shaft end of the eccentric shaft is arranged in the groove, the eccentric shaft is fixedly connected with the motor shaft of the driving motor,

the tail of the handle shell is provided with a power line wire passing hole, and the driving motor is connected with an external power supply through a power line.

Preferably, the handle shell is internally provided with a rolling bearing, and the swinging block is arranged on the inner wall of the handle shell through the rolling bearing.

Preferably, the opening width of the groove is matched with the outer diameter of the shaft end of the eccentric shaft, and the shaft end of the eccentric shaft can freely slide in the groove when the eccentric shaft rotates.

Preferably, the clamping part is a Y-shaped clamping piece, the Y-shaped clamping piece is detachably connected with the swinging block through a rectangular bayonet, and the Y-shaped clamping piece comprises a first fixing rod and a second fixing rod.

Preferably, the first fixing rod and the second fixing rod are identical in structure, the first fixing rod and the second fixing rod are provided with strip-shaped guide holes, two ends of the polishing abrasive strip are arranged in the two strip-shaped guide holes respectively, and two ends of the polishing abrasive strip are fixed in the two strip-shaped guide holes respectively through the fixing blocks.

Preferably, first dead lever and second dead lever structure are the same, are provided with first open slot perpendicularly to the end at first dead lever, lie in first open slot both sides on the first dead lever lateral wall and set up the breach of coaxial line respectively, two the breach extends to the axial lead of first open slot respectively and forms a fixed slot, and the fixed block is placed in the fixed slot for fix the polishing emery stick, just follow first dead lever length direction in the first open slot outside and still the activity is provided with the baffle, is provided with the retaining member in the side of baffle, and still is equipped with the hasp that is used for locking the retaining member on the first open slot outside.

Preferably, the first fixing rod and the second fixing rod are the same in structure, a second open slot is formed in the side wall of the first fixing rod, at least two adaptation slots used for placing the clamping piece are formed in the outer side wall of the first fixing rod, first through holes are formed in the inner end faces of the two adaptation slots, the two adaptation slots are located on two sides of the second open slot, and second through holes matched with the first through holes are formed in two end portions of the polishing sand strip.

Preferably, the clamping piece is made of U-shaped spring steel, and at least one tail end of the U-shaped spring steel is provided with a clamping bulge. .

Preferably, the first opening groove and the second opening groove have the same structure, and the first opening groove is in a tapered opening shape from outside to inside.

Preferably, the handle shell comprises a first handle shell and a second handle shell, the first handle shell is provided with a plurality of guide holes, and the second handle shell is provided with a plurality of guide posts.

Preferably, the number of the guide holes is the same as that of the guide posts, and the guide holes and the guide posts are fixed by screws.

Compared with the prior art, the invention has the beneficial effects that: the hand-held automatic tooth adjacent surface polishing device provided by the invention is provided with the handle body which is convenient for a doctor to operate, the micro motor is used for driving the work, and the swinging block is fixed on the inner wall of the handle shell through the rolling bearing, so that the labor force between the swinging block and the inner wall of the handle shell is reduced. This burnishing device can stretch into the oral cavity and carry out the burnishing and polishing operation to the restoration back tooth adjacent surface of different positions, and convenient operation has effectively alleviateed doctor's working strength, alleviates patient's pain. Because this burnishing device uses micro motor drive to polish the head, it is fast to polish, and adjustable movement speed, consequently compares and has higher work efficiency and better effect of polishing in manual polishing. Secondly, the narrow and small problem in space in this application in oral cavity is considered, sets the bistrique to "Y" type structure, conveniently polishes the head work, and polishes the head and can dismantle with the swing piece and be connected, conveniently changes the head of polishing, timely disinfection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a Y-shaped clamp according to an embodiment;

FIG. 3 is a schematic diagram of a wobble block structure;

FIG. 4 is a schematic view of the eccentric shaft structure;

FIG. 5 is a schematic view of a "Y" shaped clamp according to a second embodiment of the present invention;

FIGS. 6a and 6b are left side views of the first fixing member of FIG. 5;

FIG. 7 is a schematic structural view of a "Y" shaped clamp according to a third embodiment of the present invention;

FIGS. 8a and 8b are left side views of the first fixing member of FIG. 7;

FIG. 9 is a front view of the first attachment member of FIG. 7;

FIG. 10 is a schematic view showing the structure of a retainer in the third embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a polishing bead according to a third embodiment of the present invention.

Wherein, 1, the first handle shell; a "Y" shaped clamp; 3. polishing the sand strip; 4. a rolling bearing; 5. a swing block; 6. an eccentric shaft; 7. a drive motor; 8. a second handle housing; 9. a screw; 10. a groove; a pilot hole; 12. a guide post; 13 power line connection holes; 14. a retainer; 1401. clamping the bulge;

201. a first fixing lever; 202. a second fixing bar; 301. a second through hole;

2010. a strip-shaped guide hole; 2011. a first open slot; 2012. a notch; 2013. a baffle plate; 2014. locking; 2015. a locking member; 2016. a second open slot; 2017. an adaptation groove; 2018. a retainer; 2019. a first via.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance, and furthermore, the terms "horizontal", "vertical", etc. do not mean that the components are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the invention specifically discloses a handheld automatic tooth adjacent surface polishing device which comprises a Y-shaped clamping piece 2, a polishing sand strip 3 arranged on the Y-shaped clamping piece 2, and a handle body used for installing the Y-shaped clamping piece 2, wherein the handle body comprises a handle shell, a swinging block 5, an eccentric shaft 6 and a driving motor 7, the swinging block 5, the eccentric shaft 6 and the driving motor 7 are arranged in the handle shell, one end of the swinging block 5 is detachably connected with the Y-shaped clamping piece 2, the other end of the swinging block 5 is provided with a groove 10, the shaft end of the eccentric shaft 6 is arranged in the groove 10, the eccentric shaft 6 is fixedly connected with a motor shaft of the driving motor 7, the driving motor 7 is powered by an external power supply, and a power line enters the handle shell through a power line connecting hole 13 and is connected with the driving motor 7.

The handle shell is internally provided with the rolling bearing 4, the swinging block 5 is arranged on the inner wall of the handle shell through the rolling bearing 4, so that the friction between the swinging block 5 and the inner wall of the handle shell in the swinging process can be reduced, and the loss of the swinging block is reduced.

The opening width of the groove 10 is suitable for the outer diameter of the shaft end of the eccentric shaft 6, and when the eccentric shaft 6 rotates, the shaft end of the eccentric shaft 6 can freely slide in the groove 10, so that the swinging block 5 swings along with the movement of the eccentric shaft 6.

Example one

For better fixing the polishing sand strip 3, the Y-shaped clamping member comprises a first fixing rod 201 and a second fixing rod 202, the first fixing rod 201 and the second fixing rod 202 have the same structure, strip-shaped guide holes 2010 are formed in the first fixing rod 201 and the second fixing rod 202, two ends of the polishing sand strip 3 are respectively arranged in the two strip-shaped guide holes 2010, and two ends of the polishing sand strip 3 are respectively fixed in the two strip-shaped guide holes 2010 through the fixing blocks. Because the Y-shaped clamping piece 2 needs to be disinfected after being used every time, and the Y-shaped clamping piece 2 is convenient for the next patient to use, in the polishing device, the Y-shaped clamping piece 2 is detachably connected with the swinging block 5 through the rectangular bayonet, after the polishing device is used, the Y-shaped clamping piece 2 can be detached from the handle body, the Y-shaped clamping piece 2 is cleaned independently, and similarly, the polishing sand strip 3 can also be detached from the Y-shaped clamping piece to be cleaned independently, so that the cleaning time is saved, and the cleaning safety is improved.

The fixing block can be a wedge block, but is not limited to be fixed by the wedge block, and only needs to play a fixing role. Therefore, the polishing sand bars 3 are not easy to shake off in the working process, and play a good stabilizing role.

Example two

As shown in fig. 5 and fig. 6a and 6b, the present invention provides another "Y" type clamping member structure 2, the "Y" type clamping member includes a first fixing rod 201 and a second fixing rod 202, the first fixing rod 201 and the second fixing rod 202 are the same, a first opening groove 2011 is vertically provided in the end of the first fixing rod 201, coaxial notches 2012 are respectively provided on the two sides of the first opening groove 2011 on the sidewall of the first fixing rod 201, the notches 2012 on the two sides of the first opening groove 2011 respectively extend to the axial line of the first opening groove 2011 to form a fixing groove, the fixing block is placed in the fixing groove for fixing the polishing sand bar 3, and the length of the fixing groove is smaller than the width of the first fixing rod 201, a baffle 2013 is also movably provided outside the first opening groove and along the length direction of the first fixing rod 201, a locking member 2015 is provided on the side of the baffle 2013, and a lock catch for locking the locking member is further provided on the outside of the first opening groove 2011.

In the installation process, a worker vertically puts the polishing sand strips 3 into the first open slot 2011, pushes the polishing sand strips into the fixed block along the direction of the fixed slot 2012, and fixes the vertical direction of the polishing sand strips 3 through the fixed block; secondly, in fixing retaining member 2015 to hasp 2014 with baffle 2013, carry out the level to polishing sand strip 3 and fix, and retaining member 2015 adopts the spring steel structure. After burnishing device uses, when needing to change polishing sand strip 3, at first, the staff pops out the tip of retaining member 2015 from hasp 2014 through pinching the portion that exposes of retaining member 2015, then takes out the fixed block, can take out polishing sand strip 3 and change, and the polishing sand strip that will change gets off washs alone, has not only practiced thrift the scavenging period, has also improved abluent security.

EXAMPLE III

As shown in fig. 8-11, the present invention further provides another "Y" shaped clamping member structure 2, the first fixing rod 201 and the second fixing rod 201 have the same structure, a second opening slot 2016 is provided on a side wall of the first fixing rod 201, a length of the second opening slot 2016 is the same as a width of the first fixing rod 201, that is, the second opening slot 2016 penetrates through the first fixing rod 201 in a horizontal direction, a depth of the second opening slot 2016 is smaller than a thickness of the first fixing rod 201, at least two fitting slots 2017 for placing the clamping member 14 are provided on a side wall of the first fixing rod 201, a first through hole 2018 is provided on inner end surfaces of the two fitting slots 2017, the two fitting slots 2017 are located on upper and lower sides of the second opening slot 2016, second through holes 301 adapted to the first through holes are provided on two end portions of the polished sand strip 3, and when the polished sand strip 3 is installed, the first through hole 2018 and the second through hole 301 are located on the same vertical axis, and fixing the polishing sand strip through the clamping piece.

The clamping piece 2018 is made of U-shaped spring steel, and at least one tail end of the U-shaped spring steel is provided with a clamping bulge 1401.

In the installation process, a worker horizontally pushes the polishing sand strip 3 into the second open slot 2016 so that the second through hole 301 on the polishing sand strip 3 is aligned with the first through hole 2019 on the inner end face of the adaptation slot 2017, then pushes the U-shaped spring steel into the adaptation slot 2017 from the outer side faces of the first fixing rod 201 and the second fixing rod 202, two extending parts of the U-shaped spring steel penetrate through the first through hole 2019, the clamping protrusions on the U-shaped spring steel are fixed into the second through hole 301 of the polishing sand strip 3 to fix the polishing sand strip 3, after the use of the polishing device is finished, the worker pinches the exposed part of the U-shaped spring steel to pull the U-shaped spring steel out of the adaptation slot 2017, the fixing of the polishing sand strip 3 is released, at the moment, the polishing sand strip 3 can be horizontally pulled out along the second open slot 2016 to complete replacement, the replaced polishing sand strip is independently cleaned, the cleaning time is saved, the cleaning safety is also improved.

The first open slot and the second open slot are arranged in a shape that the caliber is reduced from outside to inside, so that polishing sand strips can be conveniently placed in the first open slot and the second open slot, and the small calibers at the inner sides of the first open slot and the second open slot are beneficial to clamping the polishing sand strips in the first step.

The handle shell comprises a first handle shell 1 and a second handle shell 8, wherein a plurality of guide holes 11 are formed in the first handle shell 1, a plurality of guide posts 12 are formed in the second handle shell 8, the number of the guide holes 11 is the same as that of the guide posts 12, and the guide holes 11 and the guide posts 12 are fixed through screws 9. When installed, the guide holes 11 are matched with the guide posts 12.

When the polishing sand strip is used, after the driving motor is electrified, the shaft of the driving motor rotates and drives the eccentric shaft to rotate, the shaft end of the eccentric shaft is driven by the motor to do circular motion around the axis of the driving motor, the shaft end of the eccentric shaft is matched with the groove on the swinging block, therefore, the swinging block can do reciprocating swing around the axis of the rolling bearing, the Y-shaped clamping piece is fixedly connected with the swinging block, under the reciprocating swing action of the swinging block, the Y-shaped clamping piece can do reciprocating swing to drive the polishing sand strip to do reciprocating motion, and the polishing sand strip is placed in the adjacent surface contact area of the restored tooth and the adjacent tooth, so that the reciprocating motion of the polishing sand strip can realize the purposes of polishing and polishing the adjacent surface of the tooth

Secondly, it is to be noted that the Y-shaped clamping piece does not have a grinding function and only clamps the polishing sand strips; the polishing sand strip is used after polishing, has small polishing effect and is mainly used for polishing; the working surface of the polishing sand strip is a single surface, and the working surface of the polishing sand strip can be adjusted to be positioned on the outer surface or the inner surface according to the position of the adjacent surface of the tooth to be polished).

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A hand-held automatic tooth adjacent surface polishing device, which is characterized in that,

the polishing device comprises a clamping part and a polishing part,

a polishing sand strip arranged on the clamping part of the clamping part,

a handle body for mounting the clamping part,

the handle body comprises a handle shell, a swinging block, an eccentric shaft and a driving motor which are arranged in the handle shell,

one end of the swinging block is detachably connected with the clamping part, the other end of the swinging block is provided with a groove,

the shaft end of the eccentric shaft is arranged in the groove, the eccentric shaft is fixedly connected with the motor shaft of the driving motor,

the tail of the handle shell is provided with a power line wire passing hole, and the driving motor is connected with an external power supply through a power line.

2. The hand-held automatic tooth adjacent surface polishing device according to claim 1, wherein a rolling bearing is further arranged inside the handle shell, and the swinging block is mounted on the inner wall of the handle shell through the rolling bearing.

3. The hand-held automatic tooth abutment polishing device according to claim 1, wherein the opening width of said recess is adapted to the outer diameter of the shaft end of the eccentric shaft, and the shaft end of the eccentric shaft is freely slidable in the recess when the eccentric shaft is rotated.

4. The hand-held automatic tooth adjacent surface polishing device according to claim 1, wherein the clamping part is a Y-shaped clamping piece, the Y-shaped clamping piece is detachably connected with the swinging block through a rectangular bayonet, and the Y-shaped clamping piece comprises a first fixing rod and a second fixing rod.

5. The hand-held automatic tooth adjacent surface polishing device according to claim 4, wherein the first fixing rod and the second fixing rod are identical in structure, strip-shaped guide holes are formed in the first fixing rod and the second fixing rod, two ends of the polishing sand strip are respectively arranged in the two strip-shaped guide holes, and the two ends of the polishing sand strip are respectively fixed in the two strip-shaped guide holes through the fixing blocks.

6. The automatic polishing device for the adjacent surfaces of the hand-held teeth as claimed in claim 4, wherein the first fixing rod and the second fixing rod have the same structure, a first opening groove is vertically and inwardly formed in the tail end of the first fixing rod, coaxial notches are respectively formed in the side wall of the first fixing rod and located on two sides of the first opening groove, the two notches respectively extend towards the axial lead of the first opening groove to form a fixing groove, the fixing block is placed in the fixing groove and used for fixing the polishing sand strip, a baffle is movably arranged on the outer side of the first opening groove and along the length direction of the first fixing rod, a locking member is arranged on the side face of the baffle, and a lock catch used for locking the locking member is further arranged on the outer side of the first opening groove.

7. The automatic polishing device for the adjacent surfaces of the teeth of a hand-held type according to claim 4, wherein the first fixing rod and the second fixing rod are identical in structure, a second open slot is formed in the side wall of the first fixing rod, at least two adapting slots for placing the clamping member are formed in the outer side wall of the first fixing rod, first through holes are formed in the inner end surfaces of the two adapting slots, the two adapting slots are located on the two sides of the second open slot, and second through holes adapted to the first through holes are formed in the two end portions of the polishing sand strip.

8. The hand-held automatic tooth adjacent surface polishing device according to claim 7, wherein the clamping piece is U-shaped spring steel, and a clamping protrusion is arranged at least one tail end of the U-shaped spring steel.

9. The hand-held automatic tooth proximal surface polishing device according to claim 6 or 7, wherein the first opening groove and the second opening groove are identical in structure, and the first opening groove is in a tapered mouth shape from outside to inside.

10. The hand-held automatic tooth adjacent surface polishing device according to claim 1, wherein the handle shell comprises a first handle shell and a second handle shell, the first handle shell is provided with a plurality of guide holes, the second handle shell is provided with a plurality of guide posts, the number of the guide holes is the same as that of the guide posts, and the guide holes and the guide posts are fixed through screws.

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