Assembly structure of dental handpiece and double-guide support

Abstract

The utility model discloses an assembly structure of a dental handpiece and a double-guide support, which comprises a connecting part on a medical handpiece and a connecting port of the double-guide support, the connecting part is positioned on a handle part of the medical handpiece, and the connecting part and the connecting port are matched through a bulge and a groove which are respectively arranged. The connecting port is pressed to the connecting portion and rotated to make the connecting port abut against the handle portion to complete assembling operation, a step position is machined at one end of the handle portion, and the connecting portion is arranged on the step position. According to the device, the connector is pressed to the connecting part and is rotated by a certain angle, so that the lower part of the connector is propped against the step position to finish the assembly operation, and the device can be conveniently assembled and disassembled without a tool.

Description

Technical Field

[0001] 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 mobile phone and a double-guide bracket. Background Art

[0002] Dental handpieces are miniature medical cutting instruments that are held by dentists and used to cut, grind, drill, and mill hard tissues (bone, teeth, dentures embedded in the mouth, and other artificial bone substitutes, etc.) in the patient's oral cavity or the surgical area of ​​the head and face. They are usually divided into two categories according to the power source: electric dental handpieces and pneumatic dental handpieces. Electric dental handpieces are driven by micromotors, and pneumatic dental handpieces are driven by high-pressure airflow.

[0003] Dental implant technology is already quite mature in China, and the demand for oral medical care is also increasing day by day, but there are limited professional and experienced doctors. During the preparation for surgery, it is necessary to connect the mobile phone head through the mobile phone connection bracket. During the installation process, the stability of the connection needs to be ensured for subsequent use. At present, more precise dual-guide structure brackets have been launched on the market. Since the mobile phone is a general instrument, the assembly method of the dual-guide structure bracket used in conjunction with the mobile phone is usually more complicated and cumbersome to operate, which affects the efficiency and safety of the doctor's operation.

[0004] In the prior art, the patent with announcement number CN216851620U discloses an oiling machine transmission joint, including a motor and a mobile phone, the motor is provided with a fixed bracket fixed thereto, the fixed bracket is provided with a rotor, the rotor is connected to the motor in a concentric transmission manner, the rotor is connected to the mobile phone in a transmission manner, the fixed bracket is provided with a fixed bracket fixedly matched therewith, the fixed bracket is provided with an oil inlet, an oil pipeline connected to the oil inlet, a fixed seat fixedly matched therewith and a rotating shaft connected to the rotor in a transmission manner, the oil pipeline is located inside the fixed bracket for lubricating the rotation of the rotating shaft, the fixed seat is provided with a reset button and a socket fixedly matched therewith, the reset button is provided with a fixedly matched locking buckle, the socket is used to lock with the mobile phone, and the locking buckle is used to limit the mobile phone. The oiling machine transmission joint improves the transmission stability and transmission efficiency of the motor and the rotor by setting the motor and the rotor in a concentric transmission manner, and at the same time avoids the occurrence of slipping.

[0005] In the above technical solution, although the snap-fit ​​assembly method is used to realize the locking and locking of the mobile phone and the socket by pressing the reset button, it cannot be directly used in the assembly structure of the dental mobile phone and the double-guide bracket.

[0006] The patent with announcement number CN218165395U discloses a dental handpiece head connection bracket, including a fixing seat, an air inlet pipe and a water vapor pipe, wherein the fixing seat is axially provided with an air inlet hole, an air outlet hole and a water vapor hole, the air inlet pipe is provided at one end of the air inlet hole, the water vapor pipe is provided at one end of the water vapor hole, and the outer sides of the air inlet pipe and the water vapor pipe are respectively sleeved with an air inlet sealing component and a water vapor sealing component; the air inlet sealing component includes a sealing drive ring, the interior of the sealing drive ring is provided with a sealing drive groove, and a first connecting plate and a second connecting plate are provided between the sealing drive groove and the outer wall of the air inlet pipe. The utility model belongs to the technical field of dental medical instruments, and specifically provides a dental handpiece head connection bracket with a simple structure, wherein the common use of an air inlet sealing component and a water vapor sealing component improves the connection performance, improves the use safety, and is easy to disassemble.

[0007] In the above technical solution, although the idea of ​​using the clamping pad 25 to clamp the air intake connecting inner tube 26 is disclosed, wherein the air intake connecting inner tube 26 is provided on the head body 29, the specific assembly structure requires a worm gear mechanism and a screw mechanism for power transmission, and the structural design is relatively complicated.

[0008] In order to solve one of the above problems, the present application provides an assembly structure of a dental handpiece and a double-guide bracket. Utility Model Content

[0009] The purpose of the utility model is to solve the problems existing in the prior art, and to propose an assembly structure of a dental mobile phone and a double-guide bracket. The assembly operation is completed by pressing the connecting port to the connecting part and rotating it to a certain angle so that the lower part of the connecting port abuts against the step position, and it is convenient to assemble and disassemble without the aid of tools.

[0010] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an assembly structure of a dental mobile phone and a double-guide bracket, including a connecting part on a medical mobile phone and a connecting port of the double-guide bracket, wherein the connecting part is located on the handle of the medical mobile phone, and the connecting part and the connecting port are matched with protrusions and grooves respectively arranged, and the connecting port is pressed onto the connecting part and rotated so that the connecting port contacts the handle to complete the assembly operation.

[0011] Furthermore, one end of the handle as described above is processed with a step position, a connecting portion is provided on the step position, and the connecting port is pressed onto the connecting portion and rotated so that the lower part of the connecting port contacts the step position to complete the assembly operation.

[0012] Furthermore, the connecting part as described above is a first connecting part, which is provided with a first notch, and the first notch is an axial and circumferential groove processed along the outer circumference of the first connecting part; the connecting port is a first connecting port, and the inner circumference of the first connecting port is processed with a first positioning protrusion matching the first notch.

[0013] Furthermore, as mentioned above, two first notches are provided and are centrally symmetrically arranged; and two first locking protrusions are symmetrically arranged.

[0014] Furthermore, the connection part described above is the second connection part, and the first connection part is processed with a first annular groove on the outside; the connection port is the second connection port, and the inner circumference of the second connection port is processed with a second annular groove matching the first annular groove, and a retaining spring is embedded in the second annular groove.

[0015] Furthermore, the double-guide bracket described above is a hardware component.

[0016] Furthermore, the connecting part described above is a third connecting part, the outer part of which is a conical surface and is processed with a third annular groove; the connecting port is a third connecting port, the inner circumference of which is a conical surface and is processed with a first annular protrusion matching the third annular groove.

[0017] Further, the connection part as described above is the fourth connection part, and the fourth connection part is processed with a second locking protrusion on the outside; the connection port is the fourth connection port, and the inner circumference of the fourth connection port is processed with a third locking protrusion matching the second locking protrusion.

[0018] Furthermore, the second locking protrusions as described above are two in number and are symmetrically arranged; and the third locking protrusions as described above are two symmetrically arranged.

[0019] Furthermore, the double-guide bracket described above is a plastic part.

[0020] Compared with the prior art, the beneficial effect of the present invention is that the device completes the assembly operation by pressing the connection port onto the connection part and rotating it at a certain angle so that the lower part of the connection port contacts the step position, and can be easily assembled and disassembled without the aid of tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional diagram of the first embodiment of the utility model;

[0022] Figure 2 for Figure 1 Explosion diagram of

[0023] Figure 3 for Figure 2 The main view;

[0024] Figure 4 This is a three-dimensional diagram of the second embodiment of the utility model;

[0025] Figure 5 for Figure 4 Explosion diagram of

[0026] Figure 6This is a three-dimensional diagram of embodiment 3 of the present utility model.

[0027] Figure 7 for Figure 6 A top view of

[0028] Figure 8 for Figure 7 Section view in the AA direction;

[0029] Fig. 9 for Figure 8 The enlarged schematic diagram of point B in the middle;

[0030] Fig.10 This is a three-dimensional diagram of the fourth embodiment of the utility model;

[0031] Fig.11 for Fig.10 Explosion diagram in .

[0032] In the figure: 1. first handle; 11. first handle portion; 12. first connecting portion; 13. first notch; 2. first bracket; 21. first connecting port; 22. first positioning protrusion; 3. second handle; 31. second handle portion; 32. second connecting portion; 33. first annular groove; 34. retaining spring; 4. second bracket; 41. second connecting port; 42. second annular groove; 5. third handle; 51. third handle portion; 52. third connecting portion; 53. third annular groove; 6. third bracket; 61. third connecting port; 62. first annular protrusion; 7. fourth handle; 71. fourth handle portion; 72. fourth connecting portion; 73. second positioning protrusion; 8. fourth bracket; 81. fourth connecting port; 82. third positioning protrusion. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", "set", etc. should be understood in a broad sense. For example, when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a central element. When an element is considered to be "installed on" another element, it can be directly installed on the other element or there can be a central element. When an element is considered to be "connected" to another element, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a communication between the two elements.

[0035] For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] Embodiment 1

[0038] Reference Figure 1-3 As shown, the assembly structure of a dental handpiece and a double-guide bracket of the utility model comprises a connecting portion on a medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece comprises a first handle 1, the first handle 1 comprises a first handle portion 11 and a connecting portion, the connecting portion is a first connecting portion 12, a first notch 13 is provided on the first connecting portion 12, the first notch 13 is a groove processed along the outer circumference of the first connecting portion 12 with an axial and circumferential groove, and the shape of the groove after unfolding is L-shaped, referring to Figure 3 It can be seen that the connection port is the first connection port 21, and the inner circumference of the first connection port 21 is processed with a first positioning protrusion 22 that matches the first slot 13. The main differences are that the positions are matched and the sizes are related. The width of the first positioning protrusion 22 is adapted to the axial groove, and the height of the first positioning protrusion 22 is adapted to the circumferential groove.

[0039] Furthermore, the double-guide bracket is a first bracket 2 and is made of hardware materials, which needs to be sterilized before use. The first connecting port 21 on the first bracket 2 is used for assembly with the first connecting portion 12 of the first handle 11 before use.

[0040] In this embodiment, one end of the first handle 11 is processed with a step position, and the first connecting part 12 is provided on the step position. By pressing the first connecting port 21 to insert the first clamping protrusion 22 along the first notch 13 on the first connecting part 12, and then rotating a certain angle, the lower part of the first connecting port 21 can be made to contact the step position to complete the assembly operation, thereby achieving the function of locking the first bracket 2 and preventing it from falling out. In addition, the first notch 13 is provided with two and is centrally symmetrically arranged; the first clamping protrusion 22 is symmetrically provided with two. In fact, 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 protrusion 22 is selected according to needs, and the same number of first notches 13 can be processed accordingly.

[0041] Embodiment 2

[0042] Reference Figure 4-5 As shown, an assembly structure of a dental handpiece and a double-guide bracket includes a connecting portion on a medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece includes a second handle 3, the second handle 3 is composed of a second handle portion 31 and a connecting portion, the connecting portion is a second connecting portion 32, and the first connecting portion 12 is processed with a first annular groove 33 on the outside; the connecting port is a second connecting port 41, the inner circumference of the second connecting port 41 is processed with a second annular groove 42 matching the first annular groove 33, and a retaining spring 34 is embedded in the second annular groove 42, refer to Figure 5 It can be seen that the positions of the two annular grooves are mainly matched and the sizes are related.

[0043] Furthermore, the double-guide bracket is a second bracket 4 and is made of hardware materials, which needs to be sterilized before use. The second connecting port 41 on the second bracket 4 is used for assembly with the second connecting portion 32 of the second handle 31 before use.

[0044] In this embodiment, one end of the second handle 31 is processed with a step position, and the second connecting part 32 is provided on the step position. The clamping spring 34 is first installed in the second annular groove 42, and then the second connecting port 41 is pressed onto the second connecting part 32, and the two are connected together by the elasticity of the clamping spring 34, and then a certain angle is rotated to make the lower part of the second connecting port 41 contact the step position to complete the assembly operation, which can be rotated freely and is not easy to fall out. If it is not locked in place, the rotation will not be smooth. When disassembling, you only need to use a little force to pull the second connecting port 41 outward, and the second bracket 4 can be easily pulled out.

[0045] Embodiment 3

[0046] Reference Figure 6-9As shown, an assembly structure of a dental handpiece and a double-guide bracket includes a connecting portion on a medical handpiece and a connecting port of the double-guide bracket, wherein the medical handpiece includes a third handle 5, the third handle 5 is composed of a third handle portion 51 and a connecting portion, the connecting portion is a third connecting portion 52, the outer portion of the third connecting portion 52 is a conical surface and is processed 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 processed with a first annular protrusion 62 matching the third annular groove 53, mainly the positions of the third annular groove 53 and the first annular protrusion 62 are matched, and the sizes are related, refer to Fig. 9 It can be seen that designing a tapered surface is convenient for assembly and disassembly.

[0047] Furthermore, the double-guide bracket is a third bracket 6 and is made of plastic material, which is a disposable item, does not need to be sterilized, can be taken out immediately after use, and can be flexibly replaced according to the doctor's needs. The third connecting port 61 on the third bracket 6 is used for assembly with the third connecting portion 52 of the third handle 51 for use.

[0048] In this embodiment, a step is processed at one end of the third handle 51, and a third connecting portion 52 is provided on the step. By pressing the third connecting port 61 onto the third connecting portion 52 and utilizing the first annular protrusion 62 to be squeezed into the third annular groove 53, they can be connected together, and then rotated a certain angle to make the lower part of the third connecting port 61 contact the step to complete the assembly operation. The third connecting port 61 can be freely rotated and is not easy to fall out.

[0049] Embodiment 4

[0050] Reference Figure 10-11 As shown, an assembly structure of a dental mobile phone and a double-guide bracket includes a connecting portion on a medical mobile phone and a connecting port of the double-guide bracket, wherein the medical mobile phone includes a fourth handle 7, the fourth handle 7 consists of a fourth handle portion 71 and a connecting portion, the connecting portion is a fourth connecting portion 72, and the fourth connecting portion 72 is processed with a second positioning protrusion 73 on the outside; the connecting port is a fourth connecting port 81, and the inner circumference of the fourth connecting port 81 is processed with a third positioning protrusion 82 matching the second positioning protrusion 73, mainly because the positions of the two positioning protrusions match and are related in size.

[0051] Furthermore, the dual-guide bracket is a fourth bracket 8 and is made of plastic material, which is a disposable item, does not need to be sterilized, is ready for use, and can be flexibly replaced according to the doctor's needs. The fourth connecting port 81 on the fourth bracket 8 is used for assembly with the fourth connecting portion 72 of the fourth handle 71 for use.

[0052] In this embodiment, one end of the fourth handle 71 is processed with a step position, and a fourth connection portion 72 is provided on the step position. By pressing the fourth connection port 81 onto the first connection portion 12 and then rotating it at a certain angle, the lower part of the fourth connection port 81 can be made to contact the step position to complete the assembly operation, thereby achieving the functions of locking the fourth bracket 8 and preventing it from falling off, and facilitating assembly and disassembly. Fig.11 It can be seen that the number of the second positioning protrusions 73 is two and they are symmetrically arranged; the number of the third positioning protrusions 82 is symmetrically arranged, and the space between the two adjacent second positioning protrusions 73 is equivalent to a groove. The third positioning protrusion 82 can be inserted along the interval between the two adjacent second positioning protrusions 73. After rotating a certain angle, the third positioning protrusion 82 is located below the second positioning protrusion 73, thereby completing the locking operation. In fact, the rotation angle of the fourth bracket 8 depends on the arc angle corresponding to the two adjacent second positioning protrusions 73, and the number of the second positioning protrusions 73 and the third positioning protrusions 82 is selected according to needs.

[0053] In the device of the utility model, the assembly and matching relationship of various components are involved. The medical handpiece, the retaining spring 34, the hardware and the plastic parts are existing technologies or materials. The relevant technical personnel can directly purchase or customize them from the market according to the required product models and specifications.

[0054] The electrical components mentioned in the text are all connected to an external main controller and 220V mains or industrial electricity, and the main controller can be a conventional known device such as a computer that plays a control role.

[0055] The above is only a preferred specific embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned embodiment, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiment should be regarded as exemplary and non-restrictive. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical scheme of the utility model and its utility model concept, shall be covered within the protection scope of the utility model.

Claims

1. An assembly structure of a dental handpiece and a double guide bracket, characterized in that: It includes a connecting part on a medical mobile phone and a connecting port of a double-guide bracket. The connecting part is located on the handle of the medical mobile phone. The connecting part and the connecting port are matched by protrusions and grooves respectively arranged. The connecting port is pressed onto the connecting part and rotated so that the connecting port contacts the handle to complete the assembly operation.

2. The assembly structure of a dental handpiece and a double guide bracket according to claim 1, characterized in that: One end of the handle is processed with a step position, and a connecting part is arranged on the step position. The connecting port is pressed onto the connecting part and rotated so that the lower part of the connecting port abuts against the step position to complete the assembly operation.

3. The assembly structure of a dental handpiece and a double guide bracket according to claim 2, characterized in that: The connecting portion is a first connecting portion (12), and a first notch (13) is provided on the first connecting portion (12). The first notch (13) is a groove machined along the outer circumference of the first connecting portion (12) with axial and circumferential directions; the connecting port is a first connecting port (21), and a first positioning protrusion (22) matching the first notch (13) is machined on the inner circumference of the first connecting port (21).

4. The assembly structure of a dental handpiece and a double guide bracket according to claim 3, characterized in that: The first notches (13) are provided with two and are centrally symmetrically arranged; the first locking protrusions (22) are provided with two symmetrically arranged.

5. The assembly structure of a dental handpiece and a double guide bracket according to claim 2, characterized in that: The connecting part is a second connecting part (32), and the first connecting part (12) is externally processed with a first annular groove (33); the connecting port is a second connecting port (41), and the inner circumference of the second connecting port (41) is processed with a second annular groove (42) matching the first annular groove (33), and a retaining spring (34) is embedded in the second annular groove (42).

6. The assembly structure of a dental handpiece and a double guide bracket according to any one of claims 3 to 5, characterized in that: The double-guide bracket is a hardware component.

7. The assembly structure of a dental handpiece and a double guide bracket according to claim 2, characterized in that: The connecting portion is a third connecting portion (52), the outer portion of which is a conical surface and is processed with a third annular groove (53); the connecting port is a third connecting port (61), the inner circumference of which is a conical surface and is processed with a first annular protrusion (62) matching the third annular groove (53).

8. The assembly structure of a dental handpiece and a double-guide bracket according to claim 2, characterized in that: The connecting portion is a fourth connecting portion (72), and the fourth connecting portion (72) is externally processed with a second locking protrusion (73); the connecting port is a fourth connecting port (81), and the inner circumference of the fourth connecting port (81) is processed with a third locking protrusion (82) matching the second locking protrusion (73).

9. The assembly structure of a dental handpiece and a double guide bracket according to claim 8, characterized in that: The second locking protrusions (73) are two in number and are symmetrically arranged; and the third locking protrusions (82) are two symmetrically arranged.

10. An assembly structure of a dental handpiece and a double-guide bracket according to any one of claims 7 to 9, characterized in that: The double-guide bracket is a plastic part.

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