CN222640611U - Assembly structure of dental handpiece and double-guide support - Google Patents

Abstract

The utility model discloses an assembly structure of a dental handpiece and a double-guide bracket, which comprises a connecting part on a medical handpiece and a connecting port of the double-guide bracket, wherein the connecting part is positioned on a handle part of the medical handpiece, the connecting part and the connecting port are matched through protrusions and grooves respectively arranged, the connecting port is pressed onto the connecting part and rotated to enable the connecting port to abut against the handle part to complete assembly operation, one end of the handle part is provided with a step position, and the connecting part is arranged on the step position. The device can complete assembly operation by pressing the connecting port onto the connecting part and rotating a certain angle to enable the lower part of the connecting port to be abutted against the step position, and can be assembled and disassembled conveniently without tools.

Description

Assembly structure of dental handpiece and double-guide support

Technical Field

The utility model relates to the technical field of local improved design of dental medical instruments, in particular to an assembly structure of a dental handpiece and a double-guide bracket.

Background

Dental handpieces are micro medical cutting instruments which are 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 in the head and face operation area of a patient, and are generally divided into an electric dental handpiece and a pneumatic dental handpiece according to power sources. The electric dental handpiece is driven by a miniature motor and the pneumatic dental handpiece is driven by a high pressure air flow.

Dental implant technology is mature in China, and the medical requirements of oral cavity are increasing, however, the number of professional and experienced doctors is limited. When operation preparation work, need connect the cell-phone aircraft nose through cell-phone linking bridge, in the installation, need guarantee the stability of connection to subsequent use. At present, more accurate double-guide structure support is sequentially introduced in the market, and because the mobile phone is a universal instrument, the assembling mode of the double-guide structure support and the mobile phone in combination use is generally complex, the operation is complex, and the operation efficiency and the safety of doctors are affected.

Among the prior art, the patent with the bulletin number of CN216851620U discloses oiling machine transmission joint, including motor and cell-phone, the motor is equipped with the fixed bolster with it fixed, the fixed bolster is equipped with the rotor, the rotor is connected with the concentric transmission of motor, the rotor is connected with the cell-phone transmission, the fixed bolster is equipped with fixed complex mount with it, the mount is equipped with the oil inlet, oil pipe way with the oil inlet intercommunication, fixed complex fixing base with it and the rotation axis of being connected with the rotor transmission, oil pipe way is located the rotation that is used for lubricated the rotation axis of mount inside, the fixing base is equipped with reset button and fixed complex socket with it, reset button is equipped with fixed complex screens knot, the socket is used for with the spacing cooperation of cell-phone, screens knot is used for with the spacing cooperation of cell-phone, this oiling machine transmission joint has realized improving the transmission stability and the transmission efficiency of motor and rotor through with the concentric transmission setting up of rotor, the emergence of phenomenon of skidding has been avoided simultaneously.

In the above technical scheme, although the mobile phone and the socket are limited by buckling with the clamping buckle after the mobile phone and the socket are clamped by pressing the reset key in a buckling assembly mode, the device cannot be directly used on the assembly structure of the dental mobile phone and the double-guide bracket.

The patent with the bulletin number of CN218165395U discloses a dental handpiece head connecting support, which comprises a fixed seat, an air inlet pipe and a vapor pipe, wherein an air inlet hole, an air exhaust hole and a vapor hole are axially formed in the fixed seat, the air inlet pipe is arranged at one end of the air inlet hole, the vapor pipe is arranged at one end of the vapor hole, an air inlet sealing assembly and a vapor sealing assembly are respectively sleeved on the outer sides of the air inlet pipe and the vapor pipe, 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 appliances, and particularly provides a dental handpiece head connecting support which is simple in structure, convenient to detach and capable of improving the connection performance by using an air inlet sealing assembly and a water vapor sealing assembly together and improving the use safety.

In the above technical solution, although the idea of clamping the air inlet connecting inner tube 26 by using the clamping pad 25 is disclosed, wherein the air inlet connecting inner tube 26 is arranged on the machine head body 29, the specific assembly structure needs a worm turbine mechanism and a screw rod mechanism for power transmission, and the structural design is complex.

In order to solve one of the problems, the application provides an assembly structure of a dental handpiece and a double-guide bracket.

Disclosure of utility model

The utility model aims to solve the problems in the prior art, and provides an assembling structure of a dental handpiece and a double-guide bracket, wherein the lower part of a connecting port is abutted against a step position to finish assembling operation by pressing the connecting port onto the connecting part and rotating a certain angle, so that the assembling operation can be conveniently assembled and disassembled without tools.

In order to achieve the purpose, the dental handpiece and double-guide support assembly structure adopts the following technical scheme that the dental handpiece and double-guide support assembly structure comprises a connecting part on a medical handpiece and a connecting port of the double-guide support, wherein the connecting part is positioned on a handle of the medical handpiece, the connecting part and the connecting port are matched through protrusions and grooves respectively arranged, and the connecting port is pressed onto the connecting part and rotated to enable the connecting port to be abutted against the handle to complete assembly operation.

Further, one end of the handle is provided with a step, the step is provided with a connecting part, and the connecting part is pressed down to the connecting part and rotated to enable the lower part of the connecting part to abut against the step to finish assembly operation.

Further, the connecting part is a first connecting part, a first notch is formed in the first connecting part, an axial groove and a circumferential groove are formed in the first notch along the outer circumference of the first connecting part, the connecting port is a first connecting port, and a first clamping protrusion matched with the first notch is formed in the inner circumference of the first connecting port.

Furthermore, the two first notch are arranged in a central symmetry manner, and the two first clamping protrusions are symmetrically arranged.

Furthermore, the connecting part is a second connecting part, a first annular groove is formed in the outer portion of the first connecting part, the connecting port is a second connecting port, a second annular groove matched with the first annular groove is formed in the inner circumference of the second connecting port, and a clamp spring is embedded in the second annular groove.

Further, the double guide bracket is hardware.

Further, the connecting part is a third connecting part, the outer part of the third connecting part is a conical surface and is provided with a third annular groove, the connecting port is a third connecting port, the inner circumference of the third connecting port is a conical surface and is provided with a first annular bulge matched with the third annular groove.

Further, the connecting part is a fourth connecting part, a second clamping protrusion is machined on the outer portion of the fourth connecting part, the connecting port is a fourth connecting port, and a third clamping protrusion matched with the second clamping protrusion is machined on the inner circumference of the fourth connecting port.

Further, the number of the second clamping protrusions is two and the second clamping protrusions are symmetrically arranged, and the number of the third clamping protrusions is two.

Further, the double-guide bracket is a plastic part.

Compared with the prior art, the device has the beneficial effects that the device can complete assembly operation by pressing the connecting port onto the connecting part and rotating a certain angle to enable the lower part of the connecting port to abut against the step position, and can be assembled and disassembled conveniently without tools.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a second perspective view of an embodiment of the present utility model;

FIG. 5 is an exploded view of FIG. 4;

Fig. 6 is a three-dimensional view of an embodiment of the present utility model.

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a cross-sectional view taken along the direction A-A in FIG. 7;

FIG. 9 is an enlarged schematic view of FIG. 8B;

FIG. 10 is a fourth perspective view of an embodiment of the present utility model;

fig. 11 is an exploded view of fig. 10.

1, A first handle; 11, a first handle part, 12, a first connecting part, 13, a first notch, 2, a first bracket, 21, a first connecting port, 22, a first clamping protrusion, 3, a second handle, 31, a second handle part, 32, a second connecting part, 33, a first annular groove, 34, a clamp spring, 4, a second bracket, 41, a second connecting port, 42, a second annular groove, 5, a third handle, 51, a third handle part, 52, a third connecting part, 53, a third annular groove, 6, a third bracket, 61, a third connecting port, 62, a first annular protrusion, 7, a fourth handle, 71, a fourth handle part, 72, a fourth connecting part, 73, a second clamping protrusion, 8, a fourth bracket, 81, a fourth connecting port, 82, and a third clamping protrusion.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are to be construed broadly, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected or detachably connected or integrally connected, be mechanically connected or electrically connected, be directly connected or indirectly connected through intermediaries, or be communication between the two elements.

The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the assembly structure of the dental handpiece and the double-guide bracket comprises a connecting part on the medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece comprises a first handle 1, the first handle 1 consists of a first handle part 11 and a connecting part, the connecting part is a first connecting part 12, a first notch 13 is arranged on the first connecting part 12, the first notch 13 is an axial and circumferential groove formed along the outer circumference of the first connecting part 12, the shape of the unfolded groove is L-shaped, referring to fig. 3, the connecting port is a first connecting port 21, a first clamping protrusion 22 matched with the first notch 13 is formed on the inner circumference of the first connecting port 21, the positions are matched, the sizes are related, the width of the first clamping protrusion 22 is matched with the axial groove, and the height of the first clamping protrusion 22 is matched with the circumferential groove.

Further, the double-guide bracket is the first bracket 2 and is made of hardware materials, and is used after being sterilized, and the first connecting port 21 on the first bracket 2 is used after being assembled and combined with the first connecting part 12 of the first handle part 11.

In this embodiment, a step is machined at one end of the first handle 11, a first connecting portion 12 is disposed on the step, the first clamping protrusion 22 is inserted into the first notch 13 on the first connecting portion 12 by pressing the first connecting port 21, and then the lower portion of the first connecting port 21 is abutted against the step by a certain angle to complete the assembly operation, so as to lock the first bracket 2 and prevent falling. In addition, the first notch 13 is provided with two symmetrical centers, and the first clamping protrusions 22 are provided with two symmetrical centers. In practice, the rotation angle of the first bracket 2 depends on the arc angle corresponding to the circumferential groove, and the number of the first clamping protrusions 22 is selected according to the requirement, and the same number of the first notches 13 can be correspondingly processed.

Example two

Referring to fig. 4-5, an assembly structure of a dental handpiece and a double-guide bracket comprises a connecting part on the medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece comprises a second handle 3, the second handle 3 consists of a second handle part 31 and the connecting part, the connecting part is a second connecting part 32, a first annular groove 33 is processed outside the first connecting part 12, the connecting port is a second connecting port 41, a second annular groove 42 matched with the first annular groove 33 is processed on the inner circumference of the second connecting port 41, and a clamp spring 34 is embedded in the second annular groove 42, and as can be seen from fig. 5, the positions of the two annular grooves are matched and are related in size.

Further, the double-guide bracket is a second bracket 4 and is made of a hardware material, and is required to be sterilized for use, and the second connecting port 41 on the second bracket 4 is used for being assembled and combined with the second connecting portion 32 of the second handle 31.

In this embodiment, a step is machined at one end of the second handle 31, a second connecting portion 32 is disposed on the step, the clamp spring 34 is firstly installed in the second annular groove 42, then the second connecting port 41 is pressed onto the second connecting portion 32, the clamp spring 34 is elastically connected with the second connecting port 32, and then the lower portion of the second connecting port 41 is abutted against the step by rotating a certain angle to complete the assembly operation, so that the assembly operation can be freely rotated and the assembly operation is not easy to fall out. If the second bracket 4 is not locked in place, the second connection port 41 is not smooth to rotate, and the second bracket 4 can be easily pulled out only by taking out the second connection port with a point force during the disassembly.

Example III

Referring to fig. 6-9, an assembling structure of a dental handpiece and a double-guide bracket comprises a connecting part on the medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece comprises a third handle 5, the third handle 5 consists of a third handle part 51 and the connecting part, the connecting part is a third connecting part 52, the outer part of the third connecting part 52 is a conical surface and is provided with a third annular groove 53, the connecting port is a third connecting port 61, the inner circumference of the third connecting port 61 is a conical surface and is provided with a first annular protrusion 62 matched with the third annular groove 53, and the positions of the third annular groove 53 and the first annular protrusion 62 are matched with each other in size, and the conical surface with the taper is designed to facilitate assembly and disassembly as can be seen from fig. 9.

Further, the double-guide bracket is a third bracket 6 and is made of plastic materials, belongs to disposable articles, is ready to use without disinfection, and can flexibly replace manufacturing materials according to the needs of doctors. The third connection port 61 on the third bracket 6 is used in combination with the third connection portion 52 of the third handle portion 51.

In this embodiment, a step is machined at one end of the third handle 51, a third connecting portion 52 is provided on the step, the third connecting portion 61 is pressed onto the third connecting portion 52, the first annular protrusion 62 is pressed into the third annular groove 53 to connect the third connecting portion and the third connecting portion 61 can be pressed into the third annular groove 53, and then the third connecting portion is rotated by a certain angle to abut against the step to complete the assembly operation, so that the third connecting portion 61 can freely rotate and is not easy to fall out.

Example IV

Referring to fig. 10-11, an assembling structure of a dental handpiece and a double-guide bracket comprises a connecting part on the medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece comprises a fourth handle 7, the fourth handle 7 comprises a fourth handle 71 and the connecting part, the connecting part is a fourth connecting part 72, a second clamping protrusion 73 is processed outside the fourth connecting part 72, the connecting port is a fourth connecting port 81, and a third clamping protrusion 82 matched with the second clamping protrusion 73 is processed on the inner circumference of the fourth connecting port 81, and mainly the positions of the two clamping protrusions are matched and are related in size.

Further, the double-guide bracket is the fourth bracket 8 and is made of plastic materials, belongs to disposable articles, is ready to use without disinfection, and can flexibly change manufacturing materials according to the needs of doctors. The fourth connection port 81 of the fourth bracket 8 is used in combination with the fourth connection portion 72 of the fourth handle portion 71.

In this embodiment, a step is machined at one end of the fourth handle 71, a fourth connecting portion 72 is provided on the step, the fourth connecting port 81 is pressed onto the first connecting portion 12, and then the lower portion of the fourth connecting port 81 is made to abut against the step by rotating a certain angle to complete the assembly operation, so as to lock the fourth bracket 8 and prevent the fourth bracket from falling off, and the assembly and the disassembly are convenient. In addition, referring to fig. 11, the number of the second clamping protrusions 73 is two and the second clamping protrusions 82 are symmetrically arranged, two adjacent second clamping protrusions 73 correspond to grooves, the third clamping protrusions 82 can be inserted along the interval between the two adjacent second clamping protrusions 73, and after rotating for a certain angle, the third clamping protrusions 82 are located below the second clamping protrusions 73, so that the locking operation is completed. In fact, the rotation angle of the fourth bracket 8 depends on the corresponding arc angle between two adjacent second detent projections 73, and the number of the second detent projections 73 and the third detent projections 82 is selected according to the need.

In the device, the assembly and matching relation of all parts are related, the parts such as the medical mobile phone, the clamp spring 34, the hardware, the plastic parts and the like are the prior art or materials, and the technical personnel can directly purchase or order from the market according to the required product model and specification.

The electrical components are all electrically connected with an external main controller and 220V commercial power or industrial power, and the main controller can be conventional known equipment with a control function of a computer and the like.

In the foregoing description, only the preferred embodiment of the present utility model is described, but the common general knowledge of the specific structure and characteristics of the present utility model is not described in any detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the present embodiments are to be considered in all respects as illustrative and not restrictive, and any equivalents and modifications thereof according to the technical scheme and the inventive concept thereof, which are within the scope of the present disclosure, are intended to be included in the scope of the present disclosure.

Claims (10)

1. The utility model provides an assembly structure of dental handpiece and double-guide support, its characterized in that includes connecting portion and the connector of double-guide support on the medical handpiece, connecting portion be located on the stalk portion of medical handpiece, cooperate through protruding and the recess that set up respectively between connecting portion and the connector, press on the connector to connecting portion and rotatory messenger's connector is contradicted in the stalk portion and is accomplished the assembly operation.

2. The assembly structure of the dental handpiece and the double-guide bracket according to claim 1, wherein a step is formed at one end of the handle, a connecting part is arranged on the step, and the connecting part is pressed down to the connecting part and rotated to enable the lower part of the connecting part to abut against the step to complete the assembly operation.

3. The assembly structure of the dental handpiece and the double-guide bracket according to claim 2, wherein the connecting portion is a first connecting portion (12), a first notch (13) is formed in the first connecting portion (12), the first notch (13) is a groove formed in the outer circumference of the first connecting portion (12) in an axial and circumferential mode, the connecting port is a first connecting port (21), and a first clamping protrusion (22) matched with the first notch (13) is formed in the inner circumference of the first connecting port (21).

4. The assembly structure of the dental handpiece and the double-guide bracket according to claim 3, wherein the first notch (13) is provided with two and is arranged in a central symmetry manner, and the first clamping protrusions (22) are provided with two symmetrically.

5. The assembly structure of the dental handpiece and the double-guide bracket according to claim 2, wherein the connecting portion is a second connecting portion (32), a first annular groove (33) is formed in the outer portion of the first connecting portion (12), the connecting port is a second connecting port (41), a second annular groove (42) matched with the first annular groove (33) is formed in the inner circumference of the second connecting port (41), and a clamp spring (34) is embedded in the second annular groove (42).

6. The dental handpiece and double guide bracket assembly structure according to any one of claims 3 to 5, wherein the double guide bracket is a hardware.

7. The assembly structure of the dental handpiece and the double-guide bracket according to claim 2, wherein the connecting part is a third connecting part (52), the outer part of the third connecting part (52) is a conical surface and is provided with a third annular groove (53), the connecting port is a third connecting port (61), the inner circumference of the third connecting port (61) is a conical surface and is provided with a first annular protrusion (62) matched with the third annular groove (53).

8. The assembly structure of the dental handpiece and the double-guide bracket according to claim 2, wherein the connecting portion is a fourth connecting portion (72), a second clamping protrusion (73) is machined on the outer portion of the fourth connecting portion (72), the connecting port is a fourth connecting port (81), and a third clamping protrusion (82) matched with the second clamping protrusion (73) is machined on the inner circumference of the fourth connecting port (81).

9. The assembly structure of the dental handpiece and the double-guide bracket according to claim 8, wherein the number of the second clamping protrusions (73) is two and the second clamping protrusions are symmetrically arranged, and the third clamping protrusions (82) are symmetrically arranged.

10. The assembly structure of a dental handpiece and a double guide bracket according to any one of claims 7 to 9, wherein the double guide bracket is a plastic member.