Dental handpiece connector connecting structure

Abstract

The utility model discloses a dental handpiece connector connecting structure which comprises a tail connector and a butt joint, one end of the tail connector is connected in the tail of a dental handpiece, the other end of the tail connector extends out of the tail of the dental handpiece, a first groove is formed in the outer wall of the tail connector extending out of the tail of the dental handpiece, and a water-gas pipe is arranged in the tail connector. One end of the steam pipe extends out of the tail joint; a second groove matched with the tail connector is formed in one end of the butt joint, a buckle plate is arranged at the end of the side wall of the second groove, a protruding block matched with the first groove is arranged at the end of the buckle plate, a first through hole and a second through hole are formed in the bottom of the second groove, the first through hole is matched with the steam pipe, a buffer spring is arranged in the second through hole, one end of the buffer spring abuts against the bottom of the second through hole, and the other end of the buffer spring abuts against the bottom of the second through hole. The tail connector extending out of the tail of the dental handpiece is inserted into the second groove and abuts against the buffer spring, and a steam pipe on the tail connector is inserted into the first through hole. The connecting structure is stable in connection and quick and convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity medical instrument technical field, concretely relates to a dental handpiece connector connecting structure. BACKGROUND

[0002] Dental handpiece is an important medical instrument in stomatology department, is often used in drilling, tooth cleaning, tooth grinding etc. work, and the dental handpiece head sets up the handpiece, and the tail sets up the connector, uses, dental handpiece is connected through the tail connector with dental chair or other equipment thread, although the thread connection is relatively reliable, but the speed is slower when installing and disassembling, and the screw is easy to slip, which affects the installation and disassembly work, and the efficiency is low, and the connector connecting structure of the existing technical improvement is relatively complex, and certain improvement is needed. UTILITARIAN CONTENT

[0003] The utility model aims at providing a dental handpiece connector connecting structure to solve the problems in the background art.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a dental handpiece connector connecting structure, including tail connector and butt joint connector, the tail connector one end is connected in the tail of dental handpiece, and the other end extends out the tail of dental handpiece, and the outer wall of the tail connector that extends out the tail of dental handpiece is provided with groove one, and the tail connector is provided with water gas pipe, and the water gas pipe one end extends out the tail connector, the butt joint connector one end is provided with the groove two that is adapted to the tail connector, and the side wall end of groove two is provided with the buckle plate, and the buckle plate end is provided with the lug that is adapted to groove one, and the bottom of groove two is provided with through hole one and through hole two, and through hole one is adapted to water gas pipe, and through hole two is provided with buffer spring, and the one end of buffer spring is abutted with the bottom of through hole two, and the other end extends out through hole two, the tail connector that extends out the tail of dental handpiece is inserted into groove two and presses buffer spring, and the water gas pipe on the tail connector is inserted into through hole one, and the lug of buckle plate is buckled in groove one.

[0005] As the preferred of the technical scheme, the side wall of the tail connector that extends out the tail of dental handpiece is provided with the guide plane, and the inner side wall of groove two is provided with the corresponding sliding plane, and when the tail connector is inserted into groove two, the guide plane and the sliding plane are attached.

[0006] As the preferred of the technical scheme, the outer wall of the water gas pipe is provided with the annular sealing ring, and the inner wall of through hole one is provided with the corresponding annular groove.

[0007] As the preferred of the technical scheme, the through hole two is provided with two, and is arranged on the outside of through hole one.

[0008] As the preferred of the technical scheme, the structure of the butt joint connector two ends is symmetrical relative to the vertical center line.

[0009] As the preferred technical scheme of the present application, the buckle plate is made of elastic material or is rotatably connected to the side wall of the second groove.

[0010] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model discloses through tail joint insertion to the butt joint, through the cooperation of buffer spring, buckle plate boss and recess one, connect tail joint to butt joint, and the connection is stable, and installation and disassembly are quick and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the appearance schematic diagram of the utility model.

[0012] Figure 2 It is the cross section schematic diagram of the utility model.

[0013] Figure 3 It is the dental handpiece and tail structure connection schematic diagram of the utility model.

[0014] Figure 4 It is the butt joint structure schematic diagram of the utility model.

[0015] Figure 5 It is another structure schematic diagram of the utility model's butt joint.

[0016] In the drawing: 1, dental handpiece;2, butt joint;2.1, through hole one;2.2, through hole two;3, tail joint;3.1, recess one;4, buckle plate;5, water gas pipe;6, buffer spring. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0018] Please refer to Figures 1-5The utility model discloses a dental handpiece joint connecting structure, including tail joint 3 and butt joint 2, tail joint 3 one end is connected in the tail of dental handpiece 1, and the other end extends the tail of dental handpiece 1, and tail joint 3 and the tail of dental handpiece 1 can be thread connection, also can be excess connection, the outer wall of tail joint 3 that extends the tail of dental handpiece 1 is provided with recess one 3.1, and tail joint 3 is provided with water and gas pipe 5, and water and gas pipe 5 one end extends tail joint 3.

[0019] The utility model discloses specific implementation time, tail joint 3 and butt joint 2 are all cylindrical, recess one 3.1 is annular recess, recess two is the inner empty cylindrical type of one end opening, and tail joint 3 that extends the tail of dental handpiece 1 is inserted into the recess of butt joint 2 and is pressed buffer spring 6, and tail joint 3 water and gas pipe 5 is inserted into the hole one 2.1, and the protruding piece of buckle plate 4 is buckled in recess one 3.1.

[0020] The utility model discloses specific implementation time, the structure of butt joint 2 both ends is relative to vertical center line symmetry, namely butt joint 2 when connecting external equipment also adopts same connecting structure. The protruding piece of buckle plate 4 is buckled in recess one, and the protruding piece of buckle plate 4 is rotatably connected on the lateral wall of recess two, can conveniently buckle the protruding piece of buckle plate in recess one.

[0021] The utility model installs, handheld dental handpiece, and make water and gas pipe insert the hole one, and tail joint end pressure buffer spring, finally buckle the protruding piece of buckle plate in recess one, can, when disassembling, directly pull out dental handpiece after taking the protruding piece of buckle plate, and connection is stable, and installation and disassembly are all relatively convenient and quick.

[0022] Finally, it should be noted that: the above-described embodiments, only for the specific embodiments of the present application, to illustrate the technical scheme of the present application, rather than limit it, the scope of protection of the present application is not limited to this, although the foregoing detailed description of the present application is made by referring to the prior art, those skilled in the art should understand: any familiar with the technical field of the technical person within the scope of the present application disclosed by the technology, it still can be modified or easily thought of changes to the technical solution recorded in the foregoing examples, or part of the technical features of the equivalent replacement; and these modifications, changes or replacement, and do not make the corresponding technical solutions of the essence of the present application embodiments technical scheme deviate from the spirit and scope, all should be covered in the scope of protection of the present application. Therefore, the scope of protection of the present application should be said to the scope of protection of the claims.

Claims

1. A dental handpiece coupling structure, characterized by: The tail joint is connected to the tail of the dental handpiece at one end and extends out of the tail of the dental handpiece at the other end, and a groove 1 is arranged on the outer wall of the tail joint extending out of the tail of the dental handpiece, and a water and gas pipe is arranged in the tail joint, with one end of the water and gas pipe extending out of the tail joint; one end of the butt joint is provided with a groove 2 matched with the tail joint, the side wall end of the groove 2 is provided with a clamping plate, the end of the clamping plate is provided with a protrusion matched with the groove 1, the bottom of the groove 2 is provided with a through hole 1 matched with the water and gas pipe and a through hole 2, a buffer spring is arranged in the through hole 2, one end of the buffer spring abuts against the bottom of the through hole 2, and the other end of the buffer spring extends out of the through hole 2, the tail joint extending out of the tail of the dental handpiece is inserted into the groove 2 and abuts against the buffer spring, the water and gas pipe on the tail joint is inserted into the through hole 1, and the protrusion of the clamping plate is clamped in the groove 1.

2. The dental handpiece coupling structure according to claim 1, characterized in that: A guide plane is arranged on the side wall of the tail joint extending out of the tail of the dental handpiece, and a corresponding sliding plane is arranged on the side wall of the groove 2, and the guide plane and the sliding plane are attached when the tail joint is inserted into the groove 2.

3. The dental handpiece coupling structure according to claim 1, wherein: An annular sealing ring is arranged on the outer wall of the water and gas pipe, and a corresponding annular groove is arranged on the inner wall of the through hole 1.

4. The dental handpiece coupling structure according to claim 1, wherein: The through hole 2 is arranged on the outside of the through hole 1.

5. The dental handpiece coupling structure according to claim 1, wherein: The structures of the two ends of the butt joint are symmetrical relative to the vertical center line.

6. The dental handpiece coupling structure according to claim 1, wherein: The clamping plate is made of elastic material or is rotationally connected to the side wall of the groove 2.

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