CN215306836U - Dental handpiece aircraft nose and dental high-speed turbine handpiece - Google Patents
Dental handpiece aircraft nose and dental high-speed turbine handpiece Download PDFInfo
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- CN215306836U CN215306836U CN202121255151.3U CN202121255151U CN215306836U CN 215306836 U CN215306836 U CN 215306836U CN 202121255151 U CN202121255151 U CN 202121255151U CN 215306836 U CN215306836 U CN 215306836U
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Abstract
The utility model discloses a dental handpiece head and a dental high-speed turbine handpiece, which comprise a drill point; the air conditioner comprises a shell, wherein an air inlet flow passage, an air exhaust flow passage, a water delivery flow passage and an inner cavity are formed in the shell; the turbine body is arranged in the inner cavity, and the middle part of the turbine body is provided with an installation sleeve matched with the drill point; the plugging device also comprises a plugging seat for covering the inner cavity, and a penetration port matched with the mounting sleeve is arranged on the plugging seat; the water storage cavity is arranged in the plugging seat, a first screw hole and a second screw hole are respectively arranged on the plugging seat and the machine shell, the first screw hole is communicated with the water storage cavity, the second screw hole is communicated with the water delivery flow passage, a connecting bolt is screwed in the first screw hole and the second screw hole, the connecting bolt is provided with a connecting flow passage and an overflowing hole, the front surface of the plugging seat is provided with a nozzle, and the nozzle is communicated with the water storage cavity; the whole structure of the dental handpiece head is convenient to disassemble and disinfect.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a dental handpiece head and a dental high-speed turbine handpiece.
Background
In the process of dental diagnosis and treatment, a dental high-speed turbine handpiece is closely contacted with saliva, blood, gingival crevicular fluid and dental plaque of a patient, the surface of the dental high-speed turbine handpiece, turbine components and pipelines in the handpiece can be polluted by pathogenic microorganisms to different degrees after being used, mucous membranes and skin are generally damaged in the process of dental diagnosis and treatment, and a lot of blood fluid and infectious diseases are transmitted by contacting wounds of the dental high-speed turbine handpiece which is not strictly disinfected. The dental high-speed turbine handpiece is precise in manufacture and complex in structure, and the special structures cause certain difficulties in disinfecting the dental handpiece.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dental handpiece head and a dental handpiece with convenient disassembly and disinfection of the whole structure.
In order to solve the problems, the utility model adopts the following technical scheme:
a dental handpiece head comprising a drill tip; the air conditioner comprises a shell, an air inlet channel, an air outlet channel, a water delivery channel and an inner cavity are arranged on the shell, and the air inlet channel and the air outlet channel are communicated with the inner cavity; the turbine body is arranged in the inner cavity, and the middle part of the turbine body is provided with an installation sleeve matched with the drill point; the plugging device also comprises a plugging seat for covering the inner cavity, and a penetration port matched with the mounting sleeve is arranged on the plugging seat; wherein, be provided with the water storage chamber in the shutoff seat, be provided with first screw and second screw on shutoff seat and the casing respectively, first screw is linked together with the water storage chamber, the second screw is linked together with the water delivery runner, the wrong connection bolt that has twisted in first screw and the second screw, the last connection runner and the discharge orifice of being provided with of connection bolt, water storage chamber and water delivery runner are linked together through connecting the runner and discharge orifice, the shutoff seat openly is provided with the spout, the spout is linked together with the water storage chamber.
Preferably, a first bearing is arranged in the inner cavity, the first bearing is fixedly connected with the top surface of the inner cavity, a second bearing is arranged on the back surface of the blocking seat, the second bearing is inserted into the inner cavity, the second bearing is fixedly connected with the blocking seat, the top end of the mounting sleeve is inserted into the first bearing, and the tail end of the mounting sleeve penetrates through the second bearing.
Preferably, the mounting sleeve is integrally formed with the turbine body.
Preferably, the middle part of the mounting sleeve is provided with a positive eight deformation positioning hole, the drill point is connected with an insertion part matched with the positive eight deformation positioning hole, and the drill point and the insertion part are integrally arranged.
Preferably, the number of the nozzles is 4, and the nozzles are distributed in an annular array by taking the penetrating port as a center.
The utility model also provides a dental high-speed turbine handpiece which comprises the dental handpiece head.
The utility model has the beneficial effects that: the plugging seat and the casing are connected by bolts, the structure is stable, the plugging seat and the turbine body can be disassembled simply, workers can conveniently disassemble and treat all the parts to be disinfected respectively, particularly, the plugging seat and the casing are disinfected in a soaking mode, the excellent disinfection effect can be achieved, and the cross infection is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the internal structure of a handpiece head of a dental handpiece according to the present invention.
Fig. 2 is a schematic distribution diagram of an air inlet channel and an air outlet channel of a dental handpiece head according to the present invention.
Fig. 3 is a partial cross-sectional view of a handpiece tip of a dental handpiece of the present invention.
Fig. 4 is a bottom view of a mounting sleeve of a handpiece of the present invention.
In the figure:
1. a housing; 2. an air inlet channel; 3. an exhaust flow passage; 4. a water delivery flow passage; 5. an inner cavity; 6. a turbine body; 7. installing a sleeve; 8. a plugging seat; 9. a water storage cavity; 10. a connecting bolt; 11. connecting the flow channel; 12. an overflowing hole; 13. a spout; 14. a first bearing; 15. a second bearing; 16. and correcting eight deformation positioning holes.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present application, it should be noted that unless otherwise explicitly stated or limited, terms such as mounting, connecting and the like should be construed broadly, and for example, may 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1
As shown in fig. 1-4, a handpiece includes a drill bit (not shown); the air conditioner comprises a machine shell 1, wherein an air inlet flow passage 2, an air exhaust flow passage 3, a water delivery flow passage 4 and an inner cavity 5 are arranged on the machine shell 1, and the air inlet flow passage 2 and the air exhaust flow passage 3 are communicated with the inner cavity 5; the turbine body 6 is arranged in the inner cavity 5, and the middle part of the turbine body 6 is provided with an installation sleeve 7 matched with the drill point;
the device also comprises a plugging seat 8 for covering the inner cavity 5, wherein a penetrating port (not shown) matched with the mounting sleeve 7 is arranged on the plugging seat 8; wherein, be provided with water storage chamber 9 in the shutoff seat 8, be provided with first screw (not shown in the figure) and second screw (not shown in the figure) on shutoff seat 8 and the casing 1 respectively, first screw is linked together with water storage chamber 9, the second screw is linked together with water delivery runner 4, the wrong connection bolt 10 that has twisted in first screw and the second screw, be provided with on the connection bolt 10 and connect runner 11 and cross discharge orifice 12, water storage chamber 9 and water delivery runner 4 are linked together through connecting runner 11 and cross discharge orifice 12, shutoff seat 8 openly is provided with spout 13, spout 13 is linked together with water storage chamber 9.
In this embodiment, a first bearing 14 is arranged in the inner cavity 5, the first bearing 14 is fixedly connected with the top surface of the inner cavity, a second bearing 15 is arranged on the back surface of the blocking seat 8, the second bearing 15 is inserted into the inner cavity 5, the second bearing 15 is fixedly connected with the blocking seat 8, the top end of the mounting sleeve 7 is inserted into the first bearing 14, and the tail end of the mounting sleeve 7 passes through the second bearing 15.
Example 2
As shown in fig. 1-4, a handpiece includes a drill bit (not shown); the air conditioner comprises a machine shell 1, wherein an air inlet flow passage 2, an air exhaust flow passage 3, a water delivery flow passage 4 and an inner cavity 5 are arranged on the machine shell 1, and the air inlet flow passage 2 and the air exhaust flow passage 3 are communicated with the inner cavity 5; the turbine body 6 is arranged in the inner cavity 5, and the middle part of the turbine body 6 is provided with an installation sleeve 7 matched with the drill point;
the device also comprises a plugging seat 8 for covering the inner cavity 5, wherein a penetrating port (not shown) matched with the mounting sleeve 7 is arranged on the plugging seat 8; wherein, be provided with water storage chamber 9 in the shutoff seat 8, be provided with first screw (not shown in the figure) and second screw (not shown in the figure) on shutoff seat 8 and the casing 1 respectively, first screw is linked together with water storage chamber 9, the second screw is linked together with water delivery runner 4, the wrong connection bolt 10 that has twisted in first screw and the second screw, be provided with on the connection bolt 10 and connect runner 11 and cross discharge orifice 12, water storage chamber 9 and water delivery runner 4 are linked together through connecting runner 11 and cross discharge orifice 12, shutoff seat 8 openly is provided with spout 13, spout 13 is linked together with water storage chamber 9.
In this embodiment, be provided with first bearing 14 in the inner chamber 5, the top surface fixed connection of first bearing 14 and inner chamber, first bearing 14 is fixed through interference fit with the inner chamber, 8 backs of shutoff seat are provided with second bearing 15, second bearing 15 inserts in the inner chamber 5, the outer lane and the 8 bolted connection of shutoff seat of second bearing 15, the top of installation sleeve 7 inserts in the inner circle of first bearing 14, the setting of the inner circle that the end of installation sleeve 7 passed second bearing 15.
In this embodiment, first bearing 14 and second bearing 15 are ceramic bearing, have adopted ceramic bearing, and corrosion resistance is better, can satisfy the demand that often needs the disinfection, and the corrosion condition of metal bearing can not appear moreover, and the security is high.
In this embodiment, the installation sleeve 7 and the turbine body 6 are arranged in an integrated manner, and an integrated structure is adopted, so that the installation sleeve is good in integrity and stable in structure.
In this embodiment, the middle of the mounting sleeve 7 is provided with a positive eight deformation positioning hole 16, and the drill point is connected with an insertion part (not shown) matched with the positive eight deformation positioning hole, and the drill point and the insertion part are integrally arranged.
In this embodiment, the number of the nozzles 13 is 4, and the nozzles 13 are distributed in an annular array with the penetrating port as the center.
The utility model also provides a dental high-speed turbine handpiece which comprises the dental handpiece head.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.
Claims (6)
1. A dental handpiece head comprises
Drilling a needle;
the air conditioner comprises a shell, an air inlet channel, an air outlet channel, a water delivery channel and an inner cavity are arranged on the shell, and the air inlet channel and the air outlet channel are communicated with the inner cavity; and
the turbine body is arranged in the inner cavity, and the middle part of the turbine body is provided with an installation sleeve matched with the drill point;
the method is characterized in that: also comprises
The plugging seat is used for covering the inner cavity and is provided with a penetrating port matched with the mounting sleeve;
wherein, be provided with the water storage chamber in the shutoff seat, be provided with first screw and second screw on shutoff seat and the casing respectively, first screw is linked together with the water storage chamber, the second screw is linked together with the water delivery runner, the wrong connection bolt that has twisted in first screw and the second screw, the last connection runner and the discharge orifice of being provided with of connection bolt, water storage chamber and water delivery runner are linked together through connecting the runner and discharge orifice, the shutoff seat openly is provided with the spout, the spout is linked together with the water storage chamber.
2. A dental handpiece according to claim 1, characterized in that: the inner cavity is internally provided with a first bearing which is fixedly connected with the top surface of the inner cavity, the back surface of the plugging seat is provided with a second bearing, the second bearing is inserted into the inner cavity in a socket mode, the second bearing is fixedly connected with the plugging seat, the top end of the installation sleeve is inserted into the first bearing, and the tail end of the installation sleeve penetrates through the second bearing.
3. A dental handpiece according to claim 2, characterized in that: the installation sleeve and the turbine body are arranged in an integrated mode.
4. A dental handpiece according to claim 3, characterized in that: the middle part of the mounting sleeve is provided with a positive eight-deformation positioning hole, the drill point is connected with an inserting part matched with the positive eight-deformation positioning hole, and the drill point and the inserting part are arranged in an integrated mode.
5. A dental handpiece according to claim 4, characterized in that: the number of the nozzles is 4, and the nozzles are distributed in an annular array by taking the penetrating port as the center.
6. A dental high speed turbine handpiece, characterized by: comprising a dental handpiece according to any of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121255151.3U CN215306836U (en) | 2021-06-04 | 2021-06-04 | Dental handpiece aircraft nose and dental high-speed turbine handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121255151.3U CN215306836U (en) | 2021-06-04 | 2021-06-04 | Dental handpiece aircraft nose and dental high-speed turbine handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215306836U true CN215306836U (en) | 2021-12-28 |
Family
ID=79551252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121255151.3U Active CN215306836U (en) | 2021-06-04 | 2021-06-04 | Dental handpiece aircraft nose and dental high-speed turbine handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215306836U (en) |
-
2021
- 2021-06-04 CN CN202121255151.3U patent/CN215306836U/en active Active
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