CN220556009U - Quick assembly disassembly connection structure and dental diagnosis and treatment equipment - Google Patents

Quick assembly disassembly connection structure and dental diagnosis and treatment equipment Download PDF

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Publication number
CN220556009U
CN220556009U CN202322305720.6U CN202322305720U CN220556009U CN 220556009 U CN220556009 U CN 220556009U CN 202322305720 U CN202322305720 U CN 202322305720U CN 220556009 U CN220556009 U CN 220556009U
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connection
component
connecting part
groove
quick
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CN202322305720.6U
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Chinese (zh)
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吴昌鸿
王艳
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Guilin Kevin Peter Technology Co ltd
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Guilin Kevin Peter Technology Co ltd
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Abstract

The utility model relates to a quick assembly disassembly connecting structure and dental diagnosis and treatment equipment, wherein the quick assembly disassembly connecting structure comprises a first connecting part, a second connecting part and an elastic piece, the first connecting part is arranged on a first component, the first connecting part is provided with a connecting bulge, and the connecting bulge is provided with an axial anti-falling limiting surface; the second connecting part is arranged on the second component, the second connecting part is provided with a connecting groove, the connecting groove is provided with a notch for inserting the connecting protrusion, an inserting groove communicated with the notch and a locking groove communicated with the inserting groove, and the groove wall of the locking groove is provided with an axial anti-disengaging matching surface; the elastic piece is arranged on the first component or the second component and is used for applying pretightening force to the first component and the second component when the first connecting part and the second connecting part are at the locking position. The quick assembly disassembly connection structure is simple in operation and structure, damage caused by violent assembly and disassembly is avoided, potential safety hazards are eliminated, and chips cannot enter the parts to affect normal use.

Description

Quick assembly disassembly connection structure and dental diagnosis and treatment equipment
Technical Field
The utility model relates to the technical field of dental medical instruments, in particular to a quick assembly disassembly connecting structure and dental diagnosis equipment.
Background
In medical devices, some parts need to enter the human body, and in order to avoid cross infection, the parts are generally disposable parts, and new parts are replaced after one use, so a quick dismounting connection structure needs to be designed between the disposable parts and the device main body.
Taking the photodynamic dental appliance in the dental medical appliance as an example, the current disassembly and assembly between the photodynamic light guide head and the handle of the photodynamic dental appliance adopts the vertical press fitting of a buckle, is inconvenient in disassembly and needs to be pulled out by a large force, and often causes the fracture and splashing of the buckle of the photodynamic light guide head, and the fracture part can splash into eyes of human, so that potential safety hazards are caused.
Disclosure of Invention
The first object of the present utility model is to provide a quick-dismantling connection structure, so as to realize quick dismantling between the disposable parts and the instrument main body, and facilitate the operation and avoid potential safety hazard.
A second object of the present utility model is to provide a dental treatment apparatus employing the above-mentioned quick-detachable connection structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a quick assembly disassembly connection structure for quick assembly disassembly between first part and the second part, the quick assembly disassembly connection structure includes:
the first connecting part is arranged on the first component and is provided with a connecting protrusion, and the connecting protrusion is provided with an axial anti-falling limiting surface;
the second connecting part is arranged on the second component, the second connecting part is provided with a connecting groove, the connecting groove is provided with a notch for inserting the connecting protrusion, an inserting groove communicated with the notch and a locking groove communicated with the inserting groove, the groove wall of the locking groove is provided with an axial anti-disengaging matching surface, and the first connecting part and the second connecting part can relatively rotate a preset angle to a locking position along a preset direction when the connecting protrusion is inserted into the inserting groove, so that the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface, and the first connecting part and the second connecting part are connected;
the elastic piece is arranged on the first component or the second component, and is used for applying pretightening force to the first component and the second component when the first connecting part and the second connecting part are positioned at the locking position, so that the axial anti-disengaging limiting surface is matched and closely contacted with the axial anti-disengaging matching surface.
Optionally, the connection protrusion is provided with a rotation stopping limiting surface, a groove wall on one side of the connection groove, where the insertion groove is connected with the locking groove, or a rotation stopping matching surface is arranged at the tail end of the locking groove along the preset direction, and the rotation stopping limiting surface is matched with the rotation stopping matching surface so as to limit relative rotation between the first connection part and the second connection part.
Optionally, the connection protrusion is an L-shaped protrusion, the L-shaped protrusion includes a connection section and a locking section that are connected with each other, a surface of the locking section facing an extending direction of the connection section is the axial anti-disengagement limiting surface, and an end surface of the locking section away from the connection section or a surface of the connection section facing an extending direction of the locking section is the anti-rotation limiting surface.
Optionally, the locking section is an arc section taking the axis of relative rotation of the first connecting part and the second connecting part as an axis.
Optionally, the axial anti-disengagement limiting surface is one of a convex curved surface and a concave curved surface, and the axial anti-disengagement matching surface is the other of the convex curved surface and the concave curved surface; or,
the axial anti-falling limiting surface and the axial anti-falling matching surface are tooth-shaped surfaces which are mutually matched, teeth of the tooth-shaped surfaces are conical teeth or triangular teeth, and all the teeth of the tooth-shaped surfaces are arranged along the circumferential direction of relative rotation of the first connecting portion and the second connecting portion.
Optionally, the first connecting portion is provided with a plurality of connecting protrusions uniformly distributed along the circumferential direction, the second connecting portion is provided with a plurality of connecting grooves uniformly distributed along the circumferential direction, and the number of the connecting grooves is positive integer multiple of the number of the connecting protrusions.
Optionally, the elastic element is a sealing ring.
Optionally, the second component includes a housing and a functional component disposed in the housing, the housing is provided with an interface into which the first component is inserted to connect with the functional component, and one of the first connection portion and the second connection portion is disposed at the interface.
The dental diagnosis and treatment equipment comprises a photodynamic light guide head and a handle, wherein the photodynamic light guide head and the handle are detachably connected through the rapid disassembly and assembly connecting structure, one of the photodynamic light guide head and the handle is provided with a first connecting part of the rapid disassembly and assembly connecting structure, and the other one of the photodynamic light guide head and the handle is provided with a second connecting part of the rapid disassembly and assembly connecting structure.
Optionally, the handle includes a handle housing and a laser disposed in the handle housing, the handle housing is provided with an interface for connecting the photodynamic light guide head with the laser, and one of the first connection part and the second connection part is disposed at the interface;
the photodynamic light guide head comprises a light guide head body and the other of the first connecting part and the second connecting part, wherein the other of the first connecting part and the second connecting part is arranged on the light guide head body so as to divide the light guide head body into a plug-in part inserted into the laser and a working part with a frosted tip.
According to the technical scheme, the utility model discloses a quick dismounting connecting structure which is used for quick dismounting between a first component and a second component, and comprises a first connecting part, a second connecting part and an elastic piece, wherein the first connecting part is arranged on the first component, the first connecting part is provided with a connecting bulge, and the connecting bulge is provided with an axial anti-falling limiting surface; the second connecting part is arranged on the second component, the second connecting part is provided with a connecting groove, the connecting groove is provided with a notch for inserting the connecting protrusion, an inserting groove communicated with the notch and a locking groove communicated with the inserting groove, the groove wall of the locking groove is provided with an axial anti-disengaging matching surface, and the first connecting part and the second connecting part can relatively rotate a preset angle to a locking position along a preset direction when the connecting protrusion is inserted into the inserting groove, so that the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface, and the first connecting part and the second connecting part are connected; the elastic piece is arranged on the first component or the second component, and is used for applying pretightening force to the first component and the second component when the first connecting part and the second connecting part are positioned at the locking position, so that the axial anti-disengaging limiting surface is matched and closely contacted with the axial anti-disengaging matching surface.
When the elastic component is applied, an operator holds the first component and the second component by both hands respectively, then inserts the connecting protrusion of the first connecting part into the notch of the connecting groove of the second connecting part, after the connecting protrusion is inserted in place, enables the first component and the second component to rotate by a preset angle along the preset direction, at the moment, the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface, the first component and the second component are limited in the axial direction, the axial direction of the rotating shaft of the first component and the second component is the axial direction of the rotating shaft of the first component, so that the first component and the second component are prevented from being separated, at the moment, the elastic component applies pretightening force to the first component and the second component by utilizing self elastic deformation, the axial anti-disengaging limiting surface is in close contact with the axial anti-disengaging matching surface, the friction force between the first component and the second component is increased, and the connection stability of the first component and the second component is prevented. The quick assembly disassembly connection structure is simple in operation and structure, damage caused by violent assembly and disassembly is avoided, potential safety hazards are eliminated, and chips cannot enter the parts to affect normal use.
The utility model also discloses a dental diagnosis and treatment device which comprises a photodynamic light guide head and a handle, wherein the photodynamic light guide head and the handle are detachably connected through the quick-dismantling connection structure, one of the photodynamic light guide head and the handle is provided with a first connection part of the quick-dismantling connection structure, and the other one of the photodynamic light guide head and the handle is provided with a second connection part of the quick-dismantling connection structure.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a dental treatment apparatus employing a quick-release connection structure provided by an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a photodynamic light guide head and a handle of a dental treatment apparatus using a quick-detachable connection structure according to an embodiment of the present utility model before installation;
fig. 3 is a sectional view of a dental treatment apparatus with a quick detachable connection structure and a handle after installation.
In the figure:
1 is a photodynamic light guide head; 101 is a working part; 102 is a plug-in part; 2 is a sealing ring; 3 is a handle shell; 4 is a laser; 5 is a threaded fastener; 6 is a first connecting portion; 610 is an annular plate; 620 is a connecting protrusion; 621 is a connecting section; 622 is a locking segment; 630 is a rib plate; 7 is a connecting groove; 710 is a notch; 720 is an insertion slot; 730 are locking grooves.
Detailed Description
The utility model provides a quick dismounting connecting structure, which has the structural design that the quick dismounting connecting structure can realize quick dismounting between a disposable part and an instrument main body, is convenient to operate and avoids potential safety hazards.
Another core of the present utility model is to provide a dental diagnosis and treatment apparatus employing the above-mentioned quick-detachable connection structure.
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.
Referring to fig. 1 to 3, fig. 1 is an exploded view of a dental treatment apparatus employing a quick-dismantling connection structure provided by an embodiment of the present utility model, fig. 2 is a schematic view of a structure before a photodynamic light guide head and a handle of the dental treatment apparatus employing the quick-dismantling connection structure provided by the embodiment of the present utility model are mounted, and fig. 3 is a sectional view of the photodynamic light guide head and the handle of the dental treatment apparatus employing the quick-dismantling connection structure provided by the embodiment of the present utility model after the dental treatment apparatus is mounted.
It should be noted that, in the illustration of the embodiment of the present utility model, the dental treatment apparatus having the photodynamic light guide head 1 and the handle is used to illustrate the quick-dismantling connection structure, but the quick-dismantling connection structure is not limited to the dental treatment apparatus having the photodynamic light guide head 1 and the handle, and the quick-dismantling connection structure in the embodiment of the present utility model may be applied to other apparatuses that have no threads between parts and need quick-dismantling connection and fixing.
As shown in the figure, the embodiment of the utility model discloses a quick-disassembly connecting structure, which is used for quick disassembly between a first component and a second component, and comprises a first connecting part 6, a second connecting part and an elastic piece.
When the quick detachable connection structure is applied to a dental treatment apparatus having a photodynamic light guide head 1 and a handle, the first component may be one of the photodynamic light guide head 1 and the handle, and the second component may be the other of the photodynamic light guide head 1 and the handle.
The first connecting part 6 is arranged on the first component, the first connecting part 6 is provided with a connecting protrusion 620, and the connecting protrusion 620 is provided with an axial anti-falling limiting surface; the second connecting part is arranged on the second component, the second connecting part is provided with a connecting groove 7, the connecting groove 7 can be arranged on the end face of the second component and can also be arranged on the inner wall of the second component, the corresponding connecting protrusion 620 is arranged on the end face or the circumferential outer side wall of the first connecting part 6, the connecting groove 7 is provided with a notch 710 for inserting the connecting protrusion 620, an inserting groove 720 communicated with the notch 710 and a locking groove 730 communicated with the inserting groove, the groove wall of the locking groove 730 is provided with an axial anti-disengaging matching surface, and the first connecting part 6 and the second connecting part can relatively rotate to a preset angle to a locking position along a preset direction when the connecting protrusion 620 is inserted into the inserting groove 720 so that the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface to connect the first connecting part 6 with the second connecting part; the elastic piece is arranged on the first component or the second component, and is used for applying pretightening force to the first component and the second component when the first connecting part 6 and the second connecting part are at the locking position so as to enable the axial anti-disengaging limiting surface to be matched with the axial anti-disengaging matching surface in a close contact mode.
Compared with the prior art, when the quick assembly disassembly connecting structure is used, an operator holds the first component and the second component by both hands respectively, then inserts the connecting protrusion 620 of the first connecting part 6 into the notch 710 of the connecting groove 7 of the second connecting part, rotates the first component and the second component by a preset angle along a preset direction after inserting the connecting protrusion into the notch, at the moment, the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface, limits the first component and the second component in the axial direction, and axially refers to the axial direction of a rotating shaft of the first component and the second component which relatively rotate, so that the first component and the second component are prevented from being disengaged, and at the moment, the elastic component applies a pretightening force to the first component and the second component by utilizing self elastic deformation, so that the axial anti-disengaging limiting surface is in close contact with the axial anti-disengaging matching surface, friction force between the first component and the second component is increased, and the first component and the second component are prevented from rotating and the second component in the opposite direction of the preset direction is prevented from being disengaged, so that the stability of connection between the first component and the second component is ensured. The quick assembly disassembly connection structure is simple in operation and structure, damage caused by violent assembly and disassembly is avoided, potential safety hazards are eliminated, and chips cannot enter the parts to affect normal use.
Alternatively, for convenience of operation, in the embodiment of the present utility model, the above-mentioned connection protrusion 620 is provided with a rotation stopping surface, and the slot wall of the side where the insertion slot 720 of the connection groove 7 is connected with the locking slot 730 or the end of the locking slot 730 along the preset direction is provided with a rotation stopping mating surface, where the rotation stopping surface mates with the rotation stopping mating surface to stop the relative rotation between the first connection portion 6 and the second connection portion, so that the relative rotation between the first component and the second component can be stopped by the rotation stopping surface and the rotation stopping mating surface, avoiding the relative rotation transition of the first component and the second component, and ensuring the stable connection of the first component and the second component, and being more convenient to operate.
As shown in fig. 2, in the embodiment of the present utility model, the connection protrusion 620 is an L-shaped protrusion, and the L-shaped protrusion includes a connection segment 621 and a locking segment 622 that are connected to each other, where a surface of the locking segment 622 facing the extending direction of the connection segment 621 is an axial anti-disengagement limiting surface, and an end surface of the locking segment 622 away from the connection segment 621 or a surface of the connection segment 621 facing the extending direction of the locking segment 622 is a rotation limiting surface.
Preferably, the locking section 622 is an arc section with the axis of rotation of the first connecting portion 6 and the second connecting portion as an axis, and correspondingly, the locking groove 730 is an arc groove with the axis of rotation of the first connecting portion 6 and the second connecting portion as an axis, so as to increase the contact area between the locking section 622 and the locking groove 730 and improve the connection stability of the first component and the second component.
According to the technical scheme, the axial anti-falling limiting surface is one of the convex curved surface and the concave curved surface, the axial anti-falling matching surface is the other of the convex curved surface and the concave curved surface, the curved surface can be a curved surface with single curvature, and can be formed by sequentially connecting a plurality of curved surfaces, the curvature radius value of each curved surface is relatively large, so that each curved surface is relatively gentle, the first component and the second component can smoothly and relatively rotate through the extrusion elastic piece, when the first component and the second component relatively rotate, the limiting on the rotating direction can be realized for the first component and the second component through the matching of the concave-convex curved surface between the axial anti-falling limiting surface and the axial anti-falling matching surface, the contact area of the axial anti-falling limiting surface and the axial anti-falling matching surface is increased, the first component and the second component are combined more tightly, the first component and the second component are prevented from easily and relatively rotating along the direction opposite to the preset direction, the loosening is caused, feedback can be generated, and an operator can feel in place.
Of course, the more compact way of combining the first component and the second component is not limited to the above one, in other embodiments, the axial anti-disengagement limiting surface and the axial anti-disengagement matching surface are tooth-shaped surfaces which are mutually engaged, the teeth of the tooth-shaped surfaces are cone-shaped teeth or triangle-shaped teeth, each tooth of the tooth-shaped surfaces is arranged along the circumferential direction of the relative rotation of the first connecting portion 6 and the second connecting portion, the protruding height of each tooth of the tooth-shaped surfaces is smaller, so that the first component and the second component can be ensured to smoothly rotate relatively by pressing the elastic component, thus, when the first component and the second component relatively rotate, a click operation feel can be generated, the operation feel is improved, and meanwhile, the limit in the rotation direction can be realized for the first component and the second component, the contact area of the axial anti-disengagement limiting surface and the axial anti-disengagement matching surface is increased, the first component and the second component are combined more tightly, and the first component and the second component are prevented from easily rotating relatively along the direction opposite to the preset direction, and the loosening is caused.
Through the design of the axial anti-falling limiting surface and the axial anti-falling matching surface, the axial anti-falling limiting surface and the axial anti-falling matching surface can be limited in the relative rotation direction, so that the resistance of the first component and the second component to self-rotate in the reverse direction along the preset direction is further increased, and meanwhile, the operation hand feeling can be improved.
Alternatively, in the embodiment of the present utility model, the first connecting portion 6 is provided with a plurality of connecting protrusions 620 that are uniformly distributed along the circumferential direction, and the second connecting portion is provided with a plurality of connecting grooves 7 that are uniformly distributed along the circumferential direction, and the number of the connecting grooves 7 is a positive integer multiple of the number of the connecting protrusions 620, that is, the number of the connecting grooves 7 may be equal to the number of the connecting protrusions 620, or may be 2, 3, or 4 … times the number of the connecting protrusions 620.
As shown in fig. 1, in the embodiment of the present utility model, the elastic member is a sealing ring 2, and the sealing ring 2 is extruded while the first component and the second component rotate relatively, and the sealing ring 2 provides a pretightening force to make the axial anti-disengagement limiting surface of the first component and the second component combine with the axial anti-disengagement mating surface more tightly, so as to increase the friction force between the two components.
Alternatively, the second member includes a housing and a functional member provided in the housing, the housing is provided with an interface into which the first member is inserted to connect with the functional member, and one of the first connecting portion 6 and the second connecting portion is provided at the interface.
As shown in fig. 1 to 3, the embodiment of the present utility model further provides a dental diagnosis and treatment apparatus, which includes a photodynamic light guide head 1 and a handle, wherein the photodynamic light guide head 1 and the handle are detachably connected by a quick-dismantling connection structure as described in the above embodiment, one of the photodynamic light guide head 1 and the handle is provided with a first connection part 6 of the quick-dismantling connection structure, and the other of the photodynamic light guide head 1 and the handle is provided with a second connection part of the quick-dismantling connection structure.
As shown in fig. 1 to 3, the handle includes a handle housing 3 and a laser 4 disposed in the handle housing 3, the laser 4 is detachably connected with the handle housing 3 by means of a clamping connection, a threaded fastener 5 connection, and the like, the handle housing 3 is provided with an interface for connecting the photodynamic light guide head 1 with the laser 4, and one of a first connecting portion 6 and a second connecting portion is disposed at the interface; the photodynamic light guide head 1 includes a light guide head body and the other of the first connection portion 6 and the second connection portion, and the other of the first connection portion 6 and the second connection portion is provided to the light guide head body to divide the light guide head body into a socket portion 102 into which the laser 4 is inserted and a working portion 101 having a frosted tip.
Specifically, the first connection portion 6 is disposed on the photodynamic light guide head 1, the first connection portion 6 includes an annular plate 610 disposed on a light guide head body of the photodynamic light guide head 1, the annular plate 610 separates the light guide head body into a plug portion 102 for inserting the laser 4 and a working portion 101 having a frosted tip, a connection protrusion 620 is disposed on a side of the annular plate 610 facing the plug portion 102, a rib plate 630 is disposed on a side of the annular plate 610 facing the working portion 101, and the rib plate 630 can increase connection strength between the annular plate 610 and the light guide head body, and can also serve as a wrench to facilitate relative rotation between the photodynamic light guide head 1 and the handle.
The second connecting portion is arranged at the interface of the handle shell 3, the laser 4 is arranged in the handle shell 3, the laser 4 is arranged at the through hole matched with the plugging portion 102, the sealing ring 2 is sleeved on the plugging portion 102 and is tightly attached to the annular plate 610, so that when the plugging portion 102 is plugged into the through hole, the end portion of the laser 4 provided with the through hole is matched with the annular plate 610 to clamp the sealing ring 2, and meanwhile, the sealing ring 2 is pressed to deform, so that pretightening force is provided between the handle and the photodynamic light guide head 1.
In addition, when the annular plate 610 is in contact engagement with the end face of the interface of the handle housing 3, the connection boss 620 is explained as being inserted in place.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. A quick assembly disassembly connection structure for quick assembly disassembly between first part and the second part, its characterized in that, quick assembly disassembly connection structure includes:
the first connecting part is arranged on the first component and is provided with a connecting protrusion, and the connecting protrusion is provided with an axial anti-falling limiting surface;
the second connecting part is arranged on the second component, the second connecting part is provided with a connecting groove, the connecting groove is provided with a notch for inserting the connecting protrusion, an inserting groove communicated with the notch and a locking groove communicated with the inserting groove, the groove wall of the locking groove is provided with an axial anti-disengaging matching surface, and the first connecting part and the second connecting part can relatively rotate a preset angle to a locking position along a preset direction when the connecting protrusion is inserted into the inserting groove, so that the axial anti-disengaging limiting surface is matched with the axial anti-disengaging matching surface, and the first connecting part and the second connecting part are connected;
the elastic piece is arranged on the first component or the second component, and is used for applying pretightening force to the first component and the second component when the first connecting part and the second connecting part are positioned at the locking position, so that the axial anti-disengaging limiting surface is matched and closely contacted with the axial anti-disengaging matching surface.
2. The quick detachable connection structure according to claim 1, wherein the connection protrusion is provided with a rotation stopping limiting surface, and a groove wall on one side of the connection groove where the insertion groove is connected with the locking groove or a rotation stopping mating surface is provided at an end of the locking groove along the preset direction, and the rotation stopping limiting surface mates with the rotation stopping mating surface to limit relative rotation between the first connection portion and the second connection portion.
3. The quick detachable connection structure according to claim 2, wherein the connection protrusion is an L-shaped protrusion, the L-shaped protrusion includes a connection section and a locking section that are connected to each other, a surface of the locking section facing an extending direction of the connection section is the axial anti-disengagement limiting surface, and an end surface of the locking section away from the connection section or a surface of the connection section facing an extending direction of the locking section is the anti-rotation limiting surface.
4. The quick connect and disconnect structure of claim 3, wherein the locking segment is an arcuate segment having an axis of relative rotation of the first and second connection portions as an axis.
5. The quick release coupling structure of claim 3, wherein the axial release stop surface is one of a convex curved surface and a concave curved surface, and the axial release stop mating surface is the other of the convex curved surface and the concave curved surface; or,
the axial anti-falling limiting surface and the axial anti-falling matching surface are tooth-shaped surfaces which are mutually matched, teeth of the tooth-shaped surfaces are conical teeth or triangular teeth, and all the teeth of the tooth-shaped surfaces are arranged along the circumferential direction of relative rotation of the first connecting portion and the second connecting portion.
6. The quick detachable connection structure according to any one of claims 1 to 5, wherein the first connection portion is provided with a plurality of connection protrusions uniformly distributed in a circumferential direction, the second connection portion is provided with a plurality of connection grooves uniformly distributed in a circumferential direction, and the number of the connection grooves is a positive integer multiple of the number of the connection protrusions.
7. The quick release coupling structure of any one of claims 1-5, wherein the resilient member is a seal ring.
8. The quick connect and disconnect structure of any one of claims 1-5, wherein the second member includes a housing and a functional member disposed within the housing, the housing providing an interface for insertion of the first member for connection with the functional member, the interface providing one of the first connection portion and the second connection portion.
9. A dental diagnosis and treatment device comprising a photodynamic light guide head and a handle, wherein the photodynamic light guide head and the handle are detachably connected through a quick-dismantling connection structure according to any one of claims 1-8, one of the photodynamic light guide head and the handle is provided with a first connection part of the quick-dismantling connection structure, and the other of the photodynamic light guide head and the handle is provided with a second connection part of the quick-dismantling connection structure.
10. A dental treatment apparatus according to claim 9, wherein the handle comprises a handle housing and a laser disposed within the handle housing, the handle housing providing an interface for the photodynamic light guide head to connect with the laser, the interface providing one of the first connection portion and the second connection portion;
the photodynamic light guide head comprises a light guide head body and the other of the first connecting part and the second connecting part, wherein the other of the first connecting part and the second connecting part is arranged on the light guide head body so as to divide the light guide head body into a plug-in part inserted into the laser and a working part with a frosted tip.
CN202322305720.6U 2023-08-25 2023-08-25 Quick assembly disassembly connection structure and dental diagnosis and treatment equipment Active CN220556009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322305720.6U CN220556009U (en) 2023-08-25 2023-08-25 Quick assembly disassembly connection structure and dental diagnosis and treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322305720.6U CN220556009U (en) 2023-08-25 2023-08-25 Quick assembly disassembly connection structure and dental diagnosis and treatment equipment

Publications (1)

Publication Number Publication Date
CN220556009U true CN220556009U (en) 2024-03-05

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CN202322305720.6U Active CN220556009U (en) 2023-08-25 2023-08-25 Quick assembly disassembly connection structure and dental diagnosis and treatment equipment

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Country Link
CN (1) CN220556009U (en)

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