CN218165395U

CN218165395U - Dental handpiece head connecting support

Info

Publication number: CN218165395U
Application number: CN202221979375.3U
Authority: CN
Inventors: 王占雄
Original assignee: Foshan Nanhai Chenghao Metal Products Co ltd
Current assignee: Foshan Nanhai Chenghao Metal Products Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-30
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a dental handpiece head connecting support, which comprises a fixed seat, an air inlet pipe and a water vapor pipe, wherein the inner part of the fixed seat is axially provided with an air inlet hole, an exhaust hole and a water vapor hole; the air inlet sealing assembly comprises a sealing driving ring, a sealing driving groove is formed in the sealing driving ring, and a first connecting plate and a second connecting plate are arranged between the sealing driving groove and the outer wall of the air inlet pipe. The utility model belongs to the technical field of dental medical instrument, specifically provide a simple structure, the joint use of seal assembly and steam seal assembly that admits air improves connection performance, improves safety in utilization, and convenient to detach's dental handpiece aircraft nose linking bridge.

Description

Dental handpiece head connecting support

Technical Field

The utility model belongs to the technical field of dental medical instrument, specifically indicate a dental handpiece aircraft nose linking bridge.

Background

The dental handpiece is a miniature medical cutting instrument which is held by a dentist and used for cutting, grinding, drilling and milling hard tissues (bones, teeth, false teeth embedded in the oral cavity, other artificial bone substitute materials and the like) in the oral cavity or a head-face operation area of a patient, and is generally divided into an electric dental handpiece and a pneumatic dental handpiece according to a power source. The electric dental handpiece is driven by a micro motor, and the pneumatic dental handpiece is driven by high-pressure airflow.

Before using, need connect the cell-phone aircraft nose through cell-phone linking bridge, in the installation, need guarantee the stability of connecting to subsequent use.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a simple structure, the joint use of seal assembly and steam seal assembly that admits air improves connection performance, improves the safety in utilization, and convenient to detach's dental handpiece aircraft nose linking bridge.

The utility model adopts the following technical scheme: the dental handpiece head connecting support comprises a fixed seat, an air inlet pipe and a water vapor pipe, wherein an air inlet hole, an air outlet hole and a water vapor hole are axially formed in the fixed seat; the air inlet sealing assembly comprises a sealing driving ring, a sealing driving groove is formed in the sealing driving ring, a first connecting plate and a second connecting plate are arranged between the sealing driving groove and the outer wall of the air inlet pipe, a sealing driving shaft is arranged between the first connecting plate and the second connecting plate, a sealing driving bevel gear and a sealing driving worm wheel are sleeved on the outer side of the sealing driving shaft, a sealing driving worm is arranged in the sealing driving groove, and the sealing driving worm is in meshed connection with the sealing driving worm wheel; the outside of intake pipe and vapor pipe all is equipped with the drive spread groove, be equipped with the drive threaded rod between the inner wall in drive spread groove and sealed drive groove, the inside one end outside cover that the drive spread groove was located to the drive threaded rod is equipped with drive screw thread section of thick bamboo, the one end outside cover that the drive threaded rod was located sealed drive groove is equipped with sealed driven bevel gear, sealed drive bevel gear is connected with sealed driven bevel gear meshing.

Preferably, the outside of drive screw thread section of thick bamboo is equipped with presss from both sides tight limiting plate, be equipped with on the inner wall of drive spread groove and press from both sides tight spacing groove, the inside that presss from both sides tight spacing groove is located to the one end that presss from both sides tight limiting plate.

Preferably, the driving threaded barrel is internally provided with an internal threaded hole, and the external side of the driving threaded rod is sleeved with the internal threaded hole.

Preferably, a sealing driving disc is sleeved on the outer side of the sealing driving ring, and the sealing driving disc is arranged at one end of the sealing driving worm.

Preferably, one end of the driving threaded cylinder, which is far away from the driving threaded rod, is connected with a clamping pad.

Preferably, the structure and function of the air inlet sealing assembly and the water vapor sealing assembly are the same.

Preferably, dental handpiece aircraft nose linking bridge still includes the aircraft nose body, the one end of aircraft nose body is equipped with admits air and connects inner tube, steam and connect inner tube and exhaust connection inner tube, the inside of intake pipe is located in the one end cooperation of admitting air and connecting the inner tube, the inside of steam pipe is located in the one end cooperation of steam connection inner tube, just the inside in exhaust hole can be located in the cooperation of the one end of exhaust connection inner tube.

Preferably, the sealing rings are sleeved on the outer side of the joint of the air inlet connecting inner pipe and the air inlet pipe and the outer side of the joint of the water vapor connecting inner pipe and the water vapor pipe.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the dental handpiece aircraft nose linking bridge of this scheme, through the common use of admitting air seal assembly and steam seal assembly, improve the connection stability between connection inner tube and intake pipe, steam connection inner tube and the steam pipe of admitting air, improve the portability of installation and dismantlement.

Drawings

FIG. 1 is a schematic view of the overall structure of the handpiece connection bracket of the dental handpiece in the present embodiment;

FIG. 2 is a schematic structural view of a handpiece connecting bracket of the dental handpiece of the present embodiment;

FIG. 3 is a side view of the fixing seat in the handpiece connecting bracket of the dental handpiece of the present embodiment;

fig. 4 is a schematic connection diagram of the air inlet sealing assembly in the dental handpiece connecting bracket of the scheme.

The sealing device comprises a fixed seat, a gas inlet pipe, a water vapor pipe, a gas inlet hole, a gas outlet hole, a water vapor hole, a gas inlet sealing assembly, a gas vapor sealing assembly, a sealing driving ring, a sealing driving groove, 11, a first connecting plate, a second connecting plate, 13, a sealing driving shaft, 14, a sealing driving bevel gear, 15, a sealing driving worm gear, 16, a sealing driving worm, 17, a driving connecting groove, 18, a driving threaded rod, 19, a driving threaded cylinder, 20, a sealing driven bevel gear, 21, a clamping limiting plate, 22, a clamping limiting groove, 23, an internal threaded hole, 24, a sealing driving disk, 25, a clamping pad, 26, a gas inlet connecting inner pipe, 27, a water vapor connecting inner pipe, 28, a sealing ring, 29 and a handpiece body.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the dental handpiece head connecting bracket of the present invention comprises a fixing base 1, an air inlet pipe 2 and a water vapor pipe 3, wherein the fixing base 1 is axially provided with an air inlet hole 4, an air outlet hole 5 and a water vapor hole 6 inside, the air inlet pipe 2 is arranged at one end of the air inlet hole 4, the water vapor pipe 3 is arranged at one end of the water vapor hole 6, and the air inlet pipe 2 and the water vapor pipe 3 are respectively sleeved with an air inlet sealing assembly 7 and a water vapor sealing assembly 8 outside; the air inlet sealing assembly 7 comprises a sealing driving ring 9, a sealing driving groove 10 is arranged inside the sealing driving ring 9, a first connecting plate 11 and a second connecting plate 12 are arranged between the sealing driving groove 10 and the outer wall of the air inlet pipe 2, a sealing driving shaft 13 is arranged between the first connecting plate 11 and the second connecting plate 12, a sealing driving bevel gear 14 and a sealing driving worm wheel 15 are sleeved on the outer side of the sealing driving shaft 13, a sealing driving worm 16 is arranged inside the sealing driving groove 10, a sealing driving disc 24 is sleeved on the outer side of the sealing driving ring 9, the sealing driving disc 24 is arranged at one end of the sealing driving worm 16, and the sealing driving worm 16 is meshed with the sealing driving worm wheel 15; the outside of intake pipe 2 and vapor pipe 3 all is equipped with drive connection groove 17, be equipped with drive threaded rod 18 between the inner wall of drive connection groove 17 and sealed drive groove 10, drive threaded rod 18 is located the inside one end outside cover of drive connection groove 17 and is equipped with drive screw cylinder 19, the one end connection that drive threaded rod 18 was kept away from to drive screw cylinder 19 is equipped with and presss from both sides tight pad 25, the one end outside cover that drive threaded rod 18 was located sealed drive groove 10 is equipped with sealed driven bevel gear 20, sealed drive bevel gear 14 is connected with sealed driven bevel gear 20 meshing.

Wherein, dental handpiece aircraft nose linking bridge still includes aircraft nose body 29, the one end of aircraft nose body 29 is equipped with admits air and connects inner tube 26, steam and connect inner tube 27 and exhaust and connect the inner tube, the inside of intake pipe 2 is located in the cooperation of the one end of admitting air and connecting inner tube 26, the inside of steam pipe 3 is located in the cooperation of the one end of steam and connecting inner tube 27, just the inside in exhaust hole can be located in the cooperation of the one end of exhausting and connecting the inner tube.

And sealing rings 28 are sleeved on the outer sides of the joints of the air inlet connecting inner pipe 26 and the air inlet pipe 2 and the joints of the water vapor connecting inner pipe 27 and the water vapor pipe 3.

The outside of drive screw thread section of thick bamboo 19 is equipped with presss from both sides tight limiting plate 21, be equipped with on the inner wall of drive connecting groove 17 and press from both sides tight spacing groove 22, the inside of pressing from both sides tight spacing groove 22 is located to the one end that presss from both sides tight limiting plate 21.

The driving threaded cylinder 19 is internally provided with an internal threaded hole 23, and the external side of the driving threaded rod 18 is sleeved with the internal threaded hole 23.

The structure and the function of the air inlet sealing assembly 7 and the water vapor sealing assembly 8 are the same.

When the sealing device is used specifically, the air inlet connecting inner tube 26 on the handpiece body 29, the water vapor connecting inner tube 27 and the exhaust connecting inner tube are respectively arranged in the air inlet tube 2 on the fixed seat 1, the water vapor tube 3 and the exhaust hole, the sealing driving disc 24 is rotated, the sealing driving disc 24 drives the sealing driving worm 16 to rotate, the sealing driving worm 16 drives the sealing driving shaft 13 to rotate through the sealing driving worm gear 15, the sealing driving bevel gear 14 on the outer side of the sealing driving shaft 13 drives the driving threaded rod 18 to rotate through the sealing driven bevel gear 20, the driving threaded rod 18 drives the driving threaded cylinder 19 to move through the matching of the internal threaded hole 23, the driving threaded cylinder 19 drives the clamping pad 25 to clamp the air inlet connecting inner tube 26, the stability between the air inlet connecting inner tube 26 and the air inlet tube 2 and between the water vapor connecting inner tube 27 and the water vapor tube 3 is improved, and the safety performance in the using process is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. Dental handpiece aircraft nose linking bridge, its characterized in that: the air inlet pipe is arranged at one end of the air inlet hole, the water vapor pipe is arranged at one end of the water vapor hole, and an air inlet sealing assembly and a water vapor sealing assembly are respectively sleeved on the outer sides of the air inlet pipe and the water vapor pipe; the air inlet sealing assembly comprises a sealing driving ring, a sealing driving groove is formed in the sealing driving ring, a first connecting plate and a second connecting plate are arranged between the sealing driving groove and the outer wall of the air inlet pipe, a sealing driving shaft is arranged between the first connecting plate and the second connecting plate, a sealing driving bevel gear and a sealing driving worm wheel are sleeved on the outer side of the sealing driving shaft, a sealing driving worm is arranged in the sealing driving groove, and the sealing driving worm is in meshed connection with the sealing driving worm wheel; the outside of intake pipe and vapor pipe all is equipped with the drive spread groove, be equipped with the drive threaded rod between the inner wall in drive spread groove and sealed drive groove, the inside one end outside cover that the drive spread groove was located to the drive threaded rod is equipped with drive screw thread section of thick bamboo, the one end outside cover that the drive threaded rod was located sealed drive groove is equipped with sealed driven bevel gear, sealed drive bevel gear is connected with sealed driven bevel gear meshing.

2. The handpiece attachment holder of claim 1, wherein: the outside of drive screw thread section of thick bamboo is equipped with presss from both sides tight limiting plate, be equipped with on the inner wall of drive spread groove and press from both sides tight spacing groove, the inside that presss from both sides tight spacing groove is located to the one end that presss from both sides tight limiting plate.

3. The handpiece interface cradle of claim 1, wherein: the inside of the driving threaded cylinder is provided with an internal threaded hole, and the external side of the driving threaded rod is sleeved with the internal threaded hole.

4. The handpiece attachment holder of claim 1, wherein: the outer side of the sealing driving ring is sleeved with a sealing driving disc, and the sealing driving disc is arranged at one end of the sealing driving worm.

5. The handpiece attachment holder of claim 1, wherein: and one end of the driving threaded cylinder, which is far away from the driving threaded rod, is connected with a clamping pad.

6. The handpiece attachment holder of claim 1, wherein: the structure and function of the air inlet sealing assembly and the water vapor sealing assembly are the same.

7. The handpiece attachment holder of claim 1, wherein: dental handpiece aircraft nose linking bridge still includes the aircraft nose body, the one end of aircraft nose body is equipped with admits air and connects inner tube, steam and connect inner tube and exhaust connection inner tube, the inside of intake pipe is located in the one end cooperation of admitting air connection inner tube, the inside of steam pipe is located in the one end cooperation of steam connection inner tube, just the inside in exhaust hole can be located in the cooperation of the one end of exhaust connection inner tube.

8. The handpiece attachment holder of claim 7, wherein: the sealing ring is sleeved on the outer side of the joint of the air inlet connecting inner pipe and the air inlet pipe and the outer side of the joint of the water vapor connecting inner pipe and the water vapor pipe.