CN219846847U - Dental handpiece head protective sleeve and dental handpiece using same - Google Patents

Abstract

The dental handpiece head protecting sleeve comprises a protecting sleeve body, wherein a cavity for accommodating the dental handpiece is formed in the protecting sleeve body, a first space positioned at the front end and a second space positioned at the rear end are divided into the cavity, a through hole and a spring plate buckle are further formed in the cavity, and in the state that the dental handpiece is assembled to the protecting sleeve body, the gear part is propped against the handpiece main body, and the spring plate buckle is propped against the handpiece main body, so that the displacement of the handpiece main body in the cavity is limited; the elastic piece buckle has the trend of elastic restoration to the original position after being separated from contact with the machine head main body under the action of external force. This scheme can provide the omnidirectional protection, prevents to warp or inside core damage because of falling ground or bump and cause the aircraft nose shell, and during the dental treatment, prevents that the cell-phone drill point on the dental chair cell-phone stores pylon from stabbing operator or patient, reduces the department of stomatology's yard risk of feeling like, easily adorns, easily pulls out, convenient operation.

Description

Dental handpiece head protective sleeve and dental handpiece using same

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dental handpiece head protective sleeve and a dental handpiece using the dental handpiece head protective sleeve.

Background

The dental handpiece is a medical instrument for oral clinic, the structure of the dental handpiece comprises a driving unit and a rotating unit, the driving unit is arranged on a dental handpiece body or in a dental comprehensive treatment table connected with the handpiece, the driving unit drives the rotating unit to rotate, the rotating unit is a drill needle, the drill needle is arranged on a handpiece of the dental handpiece, the dental handpiece is divided into a high-speed dental handpiece and a low-speed dental handpiece, the high-speed handpiece drives a micro turbine in the handpiece to rotate by utilizing high-pressure air, and the low-speed handpiece is driven by a gear; during dental treatment, the head part of the dental handpiece extends into the oral cavity of a patient, the rotating drill grinds teeth, prepares tooth forms and other clinical operations, the head part of the dental handpiece contains a movement or a turbine, and is the most precise and important part, and the protection of the head part of the dental handpiece is very important.

In carrying out the present utility model, the inventors have found that, due to the lack of better protection of the handpiece portion of the dental handpiece in actual use, at least the following problems occur during use of the dental handpiece:

1. in the picking and placing process, the dental handpiece can be dropped carelessly, the handpiece of the dental handpiece can be knocked, and if the protection is incomplete, the shell of the handpiece is deformed or the inner core and the turbine are damaged due to the drop of the ground or the knocking;

2. in dental treatment, before the handpiece is used and the operation is intermittent, the dental handpiece on which the drill is arranged is often inserted into a handpiece hanging frame, and if a medical staff or a patient does not pay attention, the drill on the dental handpiece on the hanging frame can stab the arm or other parts of the operator or the patient, so that the hospital feel risk of the stomatology is increased.

In view of this, how to solve the problems of the prior art that the protection is not in place, the dental drill on the mobile phone can stab the operator or the patient, and the like is the subject to be studied and solved by the utility model.

Disclosure of Invention

The utility model aims to provide a dental handpiece head protective sleeve and a dental handpiece using the dental handpiece head protective sleeve.

To achieve the above object, a first aspect of the present utility model provides a dental handpiece guard for protecting a dental handpiece, the handpiece including a handpiece body and a drill point disposed at a front end of the handpiece body, wherein the dental handpiece guard is characterized in that:

the protective sleeve comprises a protective sleeve body, wherein a cavity for accommodating the machine head is formed in the protective sleeve body, and the cavity is divided into a first space positioned at the front end and a second space positioned at the rear end;

the first space of the cavity is used for accommodating the drill point, and at least one through hole is formed in the outer wall of the cavity, corresponding to the first space;

the second space of the cavity is used for accommodating the machine head main body, and a gear part is arranged between the first space and the second space; elastic spring plate buckles are arranged on the inner walls of the cavities corresponding to the second space;

the protective sheath is configured to: when the machine head is assembled to the sheath body, the gear part is propped against the machine head main body, and the elastic piece buckle is propped against the machine head main body, so that the displacement of the machine head main body in the cavity is limited; the elastic piece buckle has the trend of elastic restoration to the original position after being separated from contact with the machine head main body under the action of external force.

To achieve the above object, a second aspect of the present utility model provides a dental handpiece using the dental handpiece head protection set according to the first aspect of the present utility model, the dental handpiece including a handpiece body and a drill bit provided at a front end of the handpiece body, the handpiece body being fitted in the second space, the drill bit being accommodated in the first space.

The content of the present utility model is explained as follows:

1. according to the technical scheme, aiming at the problems that the deformation or the damage to the inner core of the machine head shell and the risk of stabbing an operator or a patient are caused by the incomplete protection in the prior art, the protective sleeve is designed to be capable of wrapping the cavity structure of the machine head main body containing the machine head and the sheath body of the drill needle, so that the machine head of the dental handpiece can be protected more comprehensively, the deformation or the damage to the inner core of the machine head shell caused by the falling of the ground or the collision is prevented, the drill needle of the handpiece on the dental chair mobile phone hanger is prevented from stabbing the operator or the patient during dental treatment, and the hospital feel risk of an stomatology is reduced. Wherein, in the first space for accommodating the drill point, various drill points with different diameters and lengths which are mainstream in the market can be accommodated; the gear part arranged between the first space and the second space can prevent the machine head from moving forwards, and also leaves an allowable space for the first space where the drill needle is positioned, and the arranged through holes can be used for entering and discharging a disinfection medium during liquid or gas disinfection, so that the disinfection medium and foreign matter residues are stopped; through setting up the shell fragment buckle in the place that the second space corresponds, can play the effect of easily adorning, easily pulling out when fixing a position the aircraft nose, be convenient for operating personnel removes the lag when using.

2. In the technical scheme, the cavity is a cylindrical cavity, and the front end of the cavity is a semicircular surface, which is matched with the shape of most dental handpiece heads, and is round and easy to use.

3. In the above technical scheme, the quantity of through-hole is a plurality of, and a plurality of through-hole annular array sets up on the semicircle face, increases the trafficability characteristic of disinfection medium when liquid or gaseous disinfection, further avoids remaining.

4. In the above technical scheme, the elastic sheet buckle is provided with the contact part protruding towards the inner side, the contact part is provided with a slope surface, the slope surface is arranged towards the rear end of the machine head main body, the slope surface of the contact part is propped against the rear end of the machine head main body in the state that the machine head is assembled to the sheath main body, the machine head main body is limited in backward displacement, the elastic sheet buckle is matched with the machine head main body, the elastic sheet buckle can play a sufficient positioning role when propped against the machine head main body, and the elastic sheet buckle can be conveniently separated from contact with the machine head main body under the action of external force.

5. In the technical scheme, the rear end of the elastic piece buckle is turned outwards to form the hanging table, the hanging table is convenient for a person to operate, the acting point is increased during installation and removal, and meanwhile the rolling of the protective sleeve can be limited.

6. In the technical scheme, the rear end of the elastic piece buckle is higher than the rear end face of the sheath body, the drop is increased when the elastic piece buckle is removed, and one-hand operation can be realized.

7. In the technical scheme, the protective sleeve is of an integrally formed transparent plastic structure, so that an operator can easily see the shape and the type of the drill point on the dental handpiece, and the shape and the type of the drill point are judged in advance.

8. In the above technical scheme, the rear end of the sheath body comprises two side plates which are axially parallel to the elastic sheet buckle and have gaps, and a second space is formed between the two side plates and the elastic sheet buckle. The gap is arranged between the elastic piece buckle and the side plate, the fulcrum for stirring the elastic piece buckle is arranged at the far end, and the force required during installation and removal is small.

9. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically linked, may be directly linked, may be indirectly linked through an intervening medium, and may be in communication between two elements or in an interactive relationship therebetween, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

10. In the present utility model, the terms "front", "rear", "inner", "outer", etc. indicate an azimuth or positional relationship based on the azimuth or positional assembly relationship shown in the drawings, and are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; if the manual pressure release valve is reversed and horizontally placed, the corresponding direction is correspondingly adjusted.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages and effects:

1. according to the scheme, the elastic sheet buckle is arranged at the position corresponding to the second space, so that the machine head can be positioned, and meanwhile, the effects of easiness in assembly and drawing are achieved, and an operator can conveniently remove the protective sleeve during use.

2. According to the scheme, various drill points with different diameters and lengths, which are mainstream in the market, can be accommodated in the first space for accommodating the drill points; the gear part arranged between the first space and the second space can prevent the machine head from moving forwards, an allowable space is reserved for the first space where the drill needle is located, the arranged through holes can be used for entering and discharging disinfection media during liquid or gas disinfection, and the disinfection media and foreign matter residues are stopped.

3. According to the technical scheme, aiming at the problems that the deformation or the damage of the inner core of the machine head shell and the risk of stabbing an operator or a patient are caused by the incomplete protection of the falling ground or the collision in the prior art, the protective sleeve is designed to be capable of wrapping the cavity structure of the machine head main body containing the machine head and the protective sleeve body of the drill needle, so that the machine head of the dental handpiece can be protected more comprehensively, the deformation or the damage of the inner core of the machine head shell caused by the falling ground or the collision is prevented, the stabbing of the operator or the patient by the drill needle of the mobile phone on the dental chair mobile phone rack is prevented, and the hospital feel risk of the stomatology is reduced.

Drawings

FIG. 1 is a schematic perspective view of a dental handpiece guard according to an embodiment of the present utility model (view angle I);

FIG. 2 is a schematic perspective view of a dental handpiece guard according to an embodiment of the present utility model (view II);

FIG. 3 is a front view of a handpiece guard of an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a schematic view of a dental handpiece guard according to an embodiment of the present utility model;

FIG. 6 is a B-B cross-sectional view of FIG. 5;

FIG. 7 is a schematic perspective view of a dental handpiece according to an embodiment of the present utility model (view angle I);

FIG. 8 is a schematic perspective view of a dental handpiece according to an embodiment of the present utility model (view II);

fig. 9 is a schematic partial cross-sectional view of a dental handpiece in accordance with an embodiment of the present utility model.

The parts of the above figures are shown as follows:

100. sheath body

101. Cavity

110. A first space

111. Through hole

120. Second space

121. Gear part

130. Spring plate buckle

131. Contact portion

1311. Slope surface

132. Hanging table

140. Semicircular surface

150. Side plate

200. Dental handpiece

210. Fuselage body

220. Machine head

221. Handpiece main body

222. A drill needle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Example 1

In one embodiment, a dental handpiece guard is disclosed for protecting a handpiece 220 of a dental handpiece 200, the handpiece 220 includes a handpiece body 221 and a drill point 222 disposed at a front end of the handpiece body 221, and the dental handpiece 200 and the guard are assembled with reference to fig. 7 and 8.

As shown in fig. 1 to 6, in a first embodiment of the present utility model, the protective sleeve includes a sleeve body 100, the interior of the sleeve body 100 has a cavity 101 for accommodating the handpiece, and the cavity 101 is divided into a first space 110 at a front end and a second space 120 at a rear end; the first space 110 of the cavity 101 is used for accommodating the drill point 222, and at least one through hole 111 is formed in the outer wall of the cavity 101 corresponding to the first space 110; the second space 120 of the cavity 101 is used for accommodating the machine head main body 221, and a gear part 121 is arranged between the first space 110 and the second space 120; elastic spring plate buckles 130 are arranged on the inner wall of the cavity 101 corresponding to the second space 120.

The protective sheath is configured to: in a state where the hand piece 220 is assembled to the sheath body 100, the gear part 121 abuts against the hand piece main body 221, and the elastic piece buckle 130 abuts against the hand piece main body 221, so as to limit the displacement of the hand piece main body 221 in the cavity 101; the elastic buckle 130 has a tendency to return to the original position after coming out of contact with the handpiece body 221 under the action of external force.

The embodiment of the utility model mainly aims at the problems that the deformation of the machine head shell or the damage of the inner machine core and the risk of stabbing an operator or a patient are caused by the incomplete protection of the falling ground or the collision in the prior art, and designs the protective sleeve to be capable of wrapping the cavity 101 structure of the machine head main body 221 containing the machine head 220 and the sheath body 100 of the drill point 222, so that the machine head of the dental handpiece 200 can be protected in a more omnibearing manner, the deformation of the machine head shell or the damage of the inner machine core caused by the falling ground or the collision is prevented, the drill point 222 of the mobile phone on the mobile phone rack of the dental chair is prevented from stabbing the operator or the patient in dental treatment, and the hospital feel risk of the dental department is reduced. Wherein, the first space 110 for accommodating the drill point 222 can accommodate various drill points 222 with different diameters and lengths, which are mainstream in the market; the gear part 121 arranged between the first space 110 and the second space 120 can prevent the machine head from moving forward, also leaves an allowable space for the first space 110 where the drill point 222 is positioned, and the arranged through hole 111 can be used for entering and discharging a disinfection medium during liquid or gas disinfection so as to prevent the disinfection medium and foreign matters from remaining; by arranging the elastic piece buckle 130 at the corresponding place of the second space 120, the machine head can be positioned and simultaneously has the effects of easy assembly and easy pulling, so that an operator can conveniently remove the protective sleeve when in use.

In addition, a preferred embodiment to which the present utility model is applied will be described.

In the preferred embodiment of the present utility model, as shown in fig. 1 to 6, the protective sleeve is an integrally formed transparent plastic structure, so that the operator can easily see the shape and type of the drill 222 on the dental handpiece 200, and determine in advance. The protective sleeve comprises a protective sleeve body 100, wherein a cavity 101 for accommodating the machine head is formed in the protective sleeve body 100, and the cavity 101 is divided into a first space 110 at the front end and a second space 120 at the rear end; the cavity 101 is a cylindrical cavity 101, and the front end of the cavity 101 is a semicircular surface 140, which is fit with the shape of most dental handpiece 200 heads, and is round and easy to use. The first space 110 of the cavity 101 is used for accommodating the drill point 222, and at least one through hole 111 is formed in the outer wall of the cavity 101 corresponding to the first space 110; the number of the through holes 111 is multiple, and a plurality of through holes 111 are annularly arranged on the semicircular surface 140, so that the trafficability of a sterilizing medium during liquid or gas sterilization is improved, and residues are further avoided. The second space 120 of the cavity 101 is used for accommodating the machine head main body 221, and a gear part 121 is arranged between the first space 110 and the second space 120; elastic spring plate buckles 130 are arranged on the inner walls of the cavities 101 corresponding to the second spaces 120; the elastic sheet buckle 130 is provided with a contact part 131 protruding towards the inner side, the contact part 131 is provided with a slope surface 1311, the slope surface 1311 is arranged towards the rear end of the machine head main body 221, when the machine head is assembled to the sheath main body 100, the slope surface 1311 of the contact part 131 is propped against the rear end of the machine head main body 221 to limit the backward displacement of the machine head main body 221, and the elastic sheet buckle 130 is matched with the use of the elastic sheet buckle 130, can play a sufficient positioning role when propped against the machine head main body 221, and can also facilitate the elastic sheet buckle 130 to separate from the contact with the machine head main body 221 under the action of external force. Specifically, the outward turned edge at the rear end of the elastic piece buckle 130 is provided with a hanging table 132, and the hanging table 132 is convenient for a person to operate, increases the force point during installation and removal, and can limit the rolling of the protective sleeve. Further, the rear end of the elastic buckle 130 is higher than the rear end face of the sheath body 100, and the drop is increased when removing, so that one-hand operation can be realized. Further, the rear end of the sheath body 100 includes two side plates 150 axially juxtaposed with the elastic buckle 130 and having a gap, and a second space 120 is formed between the two side plates 150 and the elastic buckle 130. The elastic piece buckle 130 and the side plate 150 have a gap therebetween, and the force required for pulling the fulcrum of the elastic piece buckle 130 is small during installation and removal at the distal end.

The protective sheath is configured to: in a state that the handpiece 220 is assembled to the sheath body 100, the gear part 121 abuts against the front end surface of the handpiece body 221, and the slope surface 1311 of the elastic piece buckle 130 abuts against the rear end surface of the handpiece body 221, so as to limit the displacement of the handpiece body 221 in the cavity 101; the elastic buckle 130 has a tendency to return to the original position after coming out of contact with the handpiece body 221 under the action of external force. The gear portion 121 is provided with a gear surface facing the rear end, and the gear surface abuts against the front end surface of the head main body 221, thereby restricting forward displacement of the head main body 221.

Example two

As shown in fig. 7 to 9, a second embodiment of the present utility model provides a dental handpiece 200, where the dental handpiece 200 uses the dental handpiece guard according to the first embodiment of the present utility model, the dental handpiece 200 includes a handpiece body 221 and a drill point 222 disposed at a front end of the handpiece body 221, the handpiece body 221 is sleeved in the second space 120, the drill point 222 is accommodated in the first space 110, and the dental handpiece 200 further includes a body 210 connected to the handpiece 220.

As can be seen from the description of the technical scheme and the specific embodiment, after the protective sleeve provided by the utility model is used, the following technical purposes are achieved:

1. the cavity 101 of the protective sleeve can accommodate various drill points 222 with different diameters and lengths, which are mainstream in the market.

2. Can accommodate heads of various specifications in the current market.

3. Easy to mount and pull; limiting the rolling of the protective sleeve.

4. One-handed operation can be achieved.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (9)

1. A dental handpiece protective sheath for the protection of dental handpiece, said handpiece (220) comprising a handpiece body (221) and a drill point (222) arranged at the front end of the handpiece body (221), characterized in that:

the protective sleeve comprises a protective sleeve body (100), wherein a cavity (101) for accommodating the machine head (220) is formed in the protective sleeve body (100), and the cavity (101) is divided into a first space (110) at the front end and a second space (120) at the rear end;

the first space (110) of the cavity (101) is used for accommodating the drill point (222), and at least one through hole (111) is formed in the outer wall of the cavity (101) corresponding to the first space (110);

the second space (120) of the cavity (101) is used for accommodating the machine head main body (221), and a gear part (121) is arranged between the first space (110) and the second space (120); elastic spring piece buckles (130) are arranged on the inner wall of the cavity (101) corresponding to the second space (120);

the protective sheath is configured to: in a state that the handpiece (220) is assembled to the sheath body (100), the gear part (121) abuts against the handpiece main body (221), and the elastic piece buckle (130) abuts against the handpiece main body (221), so that displacement limitation of the handpiece main body (221) in the cavity (101) is formed; the elastic piece buckle (130) has the tendency of elastic recovery to the original position after being separated from contact with the machine head main body (221) under the action of external force.

2. The dental handpiece guard of claim 1, wherein: the cavity (101) is a cylindrical cavity (101), and the front end of the cavity (101) is a semicircular surface (140).

3. The dental handpiece guard according to claim 2, wherein: the number of the through holes (111) is a plurality, and a plurality of the through holes (111) are annularly arranged on the semicircular surface (140).

4. The dental handpiece guard of claim 1, wherein: the elastic sheet buckle (130) is provided with a contact part (131) protruding towards the inner side, the contact part (131) is provided with a slope surface (1311), and the slope surface (1311) is arranged towards the rear end of the machine head main body (221).

5. The dental handpiece guard of claim 4, wherein: the rear end of the elastic piece buckle (130) is turned outwards to form a hanging table (132).

6. The dental handpiece guard of claim 4, wherein: the rear end of the elastic piece buckle (130) is higher than the rear end face of the sheath body (100).

7. The dental handpiece guard of claim 4, wherein: the protective sleeve is of an integrally formed transparent plastic structure.

8. The dental handpiece guard of claim 7, wherein: the rear end of the sheath body (100) comprises two side plates (150) which are axially parallel to the elastic sheet buckle (130) and have gaps, and the second space (120) is formed by defining between the two side plates (150) and one elastic sheet buckle (130).

9. A dental handpiece, characterized by: the dental handpiece (200) uses the dental handpiece protective sleeve as claimed in any one of claims 1 to 8, the dental handpiece (200) comprises a handpiece (220), the handpiece (220) comprises a handpiece main body (221) and a drill needle (222) arranged at the front end of the handpiece main body (221), the handpiece main body (221) is sleeved in the second space (120), and the drill needle (222) is accommodated in the first space (110).