Laser cavity supporting device of oral cavity therapeutic instrument

Abstract

The utility model provides a laser cavity supporting device of an oral cavity therapeutic instrument. The laser cavity supporting device comprises a front internal supporting assembly, a rear internal supporting assembly and a laser cavity supporting cylinder. The front internal supporting assembly is provided with a crystal front end fixing through hole and a flash lamp front end fixing through hole. The rear internal supporting assembly is provided with a crystal rear end fixing through hole and a flash lamp rear end fixing through hole. A gasket fixing sleeve is arranged in the through hole body, a supporting piece sealing ring is arranged in the gasket fixing sleeve, the supporting piece sealing ring is arranged on the light-emitting crystal or the pumping flash lamp in a sleeved mode, and the supporting piece sealing ring is connected into the gasket fixing sleeve in a pressed mode through the gasket pressing connection piece. After the inner shell is formed through the front inner supporting assembly, the rear inner supporting assembly and the laser cavity supporting cylinder, the supporting piece sealing ring is arranged on the through hole which needs to be formed through the gasket fixing sleeve, the supporting piece sealing ring is pressed to deform in combination with the gasket pressing connection piece, and the sealing performance of the device is improved through the simple structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field relates to a laser generating device supporting structure, especially a kind of oral cavity therapeutic instrument laser cavity support device. BACKGROUND

[0002] Laser oral cavity therapeutic instrument utilizes high-energy laser beam to treat oral cavity tissue, after generating laser by laser generating assembly, laser is transmitted to light emitting tip by light transmission assembly, and it is emitted to the tissue inside the oral cavity of patient by light emitting tip, and cutting, polishing, sterilization, disinfection and other operations are carried out using laser, compared with traditional oral cavity treatment equipment, laser oral cavity therapeutic instrument has the advantages of fast cutting, small injury, high efficiency, and the oral surgery implemented by laser oral cavity therapeutic instrument, patients feel less pain during operation, and postoperative recovery effect is better.

[0003] In the process of cutting, polishing, sterilization, disinfection and other operations by laser, heat is inevitably generated, and heat accumulation can cause harm to the oral cavity of patient. In order to prevent heat from rapidly accumulating and causing harm, cooling liquid must be introduced to cool the operation site at any time during oral treatment, therefore, laser generating assembly and cooling liquid delivery assembly need to be integrated in laser oral cavity therapeutic instrument.

[0004] When laser generating assembly and cooling liquid delivery assembly are integrated in the same equipment for functional use requirements, considering the waterproof requirement of laser generating assembly, how to improve the sealing performance of the equipment is a technical problem to be solved in the industry. SUMMARY

[0005] The utility model solves technical problems, and in view of the above-mentioned defects of prior art, provide a kind of oral cavity therapeutic instrument laser cavity support device, after generating laser by pump flash lamp excitation luminescent crystal, again using refracting mirror assembly directs high-energy laser beam to laser emission tip emission, with simple structure, easy operation and other advantages.

[0006] The technical scheme adopted by the utility model to solve technical problems is as follows:

[0007] A kind of oral cavity therapeutic instrument laser cavity support device, including front inside support component, rear inside support component and laser cavity support cylinder, the front inside support component is fixedly arranged at the front end of the laser cavity support cylinder, the rear inside support component is fixedly arranged at the rear end of the laser cavity support cylinder, laser generating assembly is arranged in the laser cavity support cylinder, the laser generating assembly includes luminescent crystal and pump flash lamp, the luminescent crystal and the pump flash lamp are fixedly arranged in the laser cavity support cylinder;

[0008] The front internal support assembly is provided with a crystal front end fixing through hole and a flash lamp front end fixing through hole, the rear internal support assembly is provided with a crystal rear end fixing through hole and a flash lamp rear end fixing through hole, and the two ends of the luminescent crystal are respectively arranged through the crystal front end fixing through hole and the crystal rear end fixing through hole, and the two ends of the pump flash lamp are respectively arranged through the flash lamp front end fixing through hole and the flash lamp rear end fixing through hole.

[0009] The front internal support assembly and the rear internal support assembly are provided with a plurality of gasket pressing members, the crystal front end fixing through hole, the flash lamp front end fixing through hole, the crystal rear end fixing through hole and the flash lamp rear end fixing through hole are provided with gasket fixing sleeves in the respective through hole bodies, the gasket fixing sleeves are provided with support member sealing rings, the support member sealing rings are sleeved on the luminescent crystal or the pump flash lamp, and the gasket pressing members press the support member sealing rings in the gasket fixing sleeves.

[0010] Compared with the prior art, the technical scheme has the beneficial effects that: after forming the inner shell through the front internal support assembly, the rear internal support assembly and the laser cavity support cylinder, the support member sealing rings are arranged on the through holes which must be arranged through the gasket fixing sleeves, and the support member sealing rings are deformed by the gasket pressing members, so that the sealing performance of the device is improved by a simple structure.

[0011] Further, the front external connecting sleeve, the rear external connecting sleeve and the cavity outer sleeve are further included.

[0012] The front external connecting sleeve and the rear external connecting sleeve are respectively arranged at the two ends of the cavity outer sleeve, the front external connecting sleeve is fixedly arranged at the front end of the cavity outer sleeve and sleeved outside the front internal support assembly, the rear external connecting sleeve is fixedly arranged at the rear end of the cavity outer sleeve, and the cavity outer sleeve is fixedly arranged outside the laser cavity support cylinder.

[0013] The beneficial effects of the above scheme are that: the outer shell is formed through the front external connecting sleeve, the rear external connecting sleeve and the cavity outer sleeve, the inner shell formed by the front internal support assembly, the rear internal support assembly and the laser cavity support cylinder is surrounded, the outer layer is waterproofed through the outer shell, and the sealing performance of the device is further improved.

[0014] Further, the front internal support assembly is fixedly arranged at the front end of the laser cavity support cylinder through the first connecting threaded assembly, the first connecting threaded assembly is sequentially arranged through the front external connecting sleeve and the front internal support assembly and is fixedly connected with the front end of the laser cavity support cylinder.

[0015] The rear internal support assembly is fixedly arranged at the rear end of the laser cavity support cylinder through a second connecting threaded assembly, and the second connecting threaded assembly is fixedly connected with the rear end of the laser cavity support cylinder after penetrating through the rear internal support assembly.

[0016] The beneficial effect of the above scheme is that the first connecting threaded assembly is sequentially connected with the front end of the laser cavity support cylinder after penetrating through the front external connecting sleeve and the front internal support assembly, and the outer shell and the inner shell are connected as a whole, which can effectively improve the structural stability of the device.

[0017] Further, the first connecting threaded assembly includes a first external threaded rod, an internally threaded sleeve, and a second external threaded rod, the internally threaded sleeve is provided with an internally threaded connecting portion, and the first external threaded rod and the internally threaded sleeve are connected end to end to form a connecting piece as a whole.

[0018] The first external threaded rod is fixedly connected with the front end of the laser cavity support cylinder after penetrating through the front internal support assembly, and the second external threaded rod is fixedly connected with the internally threaded connecting portion of the internally threaded sleeve after penetrating through the front external connecting sleeve.

[0019] The beneficial effect of the above scheme is that the first external threaded rod and the internally threaded sleeve are used to fixedly connect the front internal support assembly and the laser cavity support cylinder, and the second external threaded rod is used to fixedly connect the front external connecting sleeve and the front internal support assembly, and the outer shell and the inner shell are connected as a whole based on a simple structure, thereby effectively improving the structural stability of the device.

[0020] Further, the front internal support assembly is provided with a first foolproof plane on the outer side, the front external connecting sleeve is provided with a second foolproof plane on the inner side, and the first foolproof plane and the second foolproof plane are mutually adhered when the front external connecting sleeve is sleeved on the front internal support assembly.

[0021] The beneficial effect of the above scheme is that the first foolproof plane and the second foolproof plane are used to realize the butt joint of the front internal support assembly and the front external connecting sleeve, which can improve the assembly convenience and the structural firmness.

[0022] Further, the front end of the cavity outer sleeve is provided with a first sleeving step portion, the cavity outer sleeve forms the first sleeving step portion by inwardly recessing, and the rear end of the cavity outer sleeve is provided with an internally threaded connecting portion.

[0023] The front external connecting sleeve is provided with a second sleeving step portion, the front external connecting sleeve forms the second sleeving step portion by inwardly recessing, and the front external connecting sleeve is sleeved and fixed at the front end of the cavity outer sleeve through mutual engagement of the first sleeving step portion and the second sleeving step portion.

[0024] The rear external connecting sleeve is provided with an external thread connecting part, and the rear external connecting sleeve is externally sleeved with a sleeve sealing ring.

[0025] The beneficial effect of the above scheme is that the cavity external sleeve, the front external connecting sleeve and the rear external connecting sleeve are mutually sleeved through the first sleeve connecting step part and the second sleeve connecting step part, and the cavity external sleeve and the rear external connecting sleeve are connected through threads, so that the whole is formed based on a simple structure, and assembly and disassembly are facilitated.

[0026] Further, the front internal support assembly and the rear internal support assembly are respectively provided with a front sleeve connecting boss and a rear sleeve connecting boss, the front internal support assembly is fixedly sleeved at one end of the laser cavity support cylinder through the front sleeve connecting boss, the rear internal support assembly is fixedly sleeved at the other end of the laser cavity support cylinder through the rear sleeve connecting boss, and the front sleeve connecting boss and the rear sleeve connecting boss are tightly and closely arranged on the inner side of the laser cavity support cylinder.

[0027] The beneficial effect of the above scheme is that the front internal support assembly and the rear internal support assembly are sleeved in the laser cavity support cylinder through the front sleeve connecting boss and the rear sleeve connecting boss, and mutual fixation between the front internal support assembly, the rear internal support assembly and the laser cavity support cylinder is realized by cooperating with dispensing.

[0028] Further, the gasket compression joint includes a compression sleeve, a first fixed ear and a second fixed ear, and the first fixed ear and the second fixed ear are fixedly arranged on both sides of the compression sleeve.

[0029] On the front internal support assembly, the gasket compression joint is fixed to the front internal support assembly through a compression joint bolt penetrating the first fixed ear and the second fixed ear, and the compression sleeve compresses the support piece sealing ring in the gasket fixed sleeve on the front internal support assembly.

[0030] On the rear internal support assembly, the gasket compression joint is fixed to the rear internal support assembly through a compression joint bolt penetrating the first fixed ear and the second fixed ear, and the compression sleeve compresses the support piece sealing ring in the gasket fixed sleeve on the rear internal support assembly.

[0031] The beneficial effect of the above scheme is that the compression sleeve is fixed through the first fixed ear and the second fixed ear to better compress the support piece sealing ring and improve the sealing performance of the device.

[0032] Further, at least one glue dispensing notch is formed on the side wall of the crimping sleeve, and the lens is fixed in the crimping sleeve by adhesive.

[0033] The beneficial effects of the above scheme are that the lens is arranged to improve the dustproof function of the device, and the at least one glue dispensing notch is formed on the side wall of the crimping sleeve to prevent the lens from being contaminated during the adhesive fixing process and ensure smooth light emission.

[0034] Further, the front internal support assembly and the rear internal support assembly are integrally formed PEEK structures.

[0035] The beneficial effects of the above scheme are that the device has the advantages of high strength, light weight and good heat insulation performance. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a whole schematic view of the laser cavity support device of the oral treatment instrument.

[0037] Figure 2 is an exploded schematic view of the laser cavity support device of the oral treatment instrument.

[0038] Figure 3 is a schematic view of a first connecting thread assembly in the laser cavity support device of the oral treatment instrument.

[0039] Figure 4 is a schematic view of a front internal support assembly in the laser cavity support device of the oral treatment instrument.

[0040] Figure 5 is another schematic view of the front internal support assembly in the laser cavity support device of the oral treatment instrument.

[0041] Figure 6 is an exploded schematic view of a front external connecting sleeve, a rear external connecting sleeve and a cavity sleeve in the laser cavity support device of the oral treatment instrument.

[0042] Figure 7 is a schematic view of a rear internal support assembly in the laser cavity support device of the oral treatment instrument.

[0043] Figure 8 is another schematic view of the rear internal support assembly in the laser cavity support device of the oral treatment instrument.

[0044] Figure 9 is a schematic view of a gasket crimping piece in the laser cavity support device of the oral treatment instrument.

[0045] The components represented by the reference numbers in the drawings are listed as follows:

[0046] Front inner support assembly 1, rear inner support assembly 2, laser cavity support cylinder 3, gasket crimping piece 4, gasket fixing sleeve 5, front outer connecting sleeve 6, rear outer connecting sleeve 7, cavity outer sleeve 8, first connecting threaded assembly 9;

[0047] Crystal front end fixing hole 101, flash lamp front end fixing hole 102, first foolproof plane 103, front sleeve joint boss 104;

[0048] Crystal rear end fixing hole 201, flash lamp rear end fixing hole 202, rear sleeve joint boss 203;

[0049] Crimping sleeve 401, first fixing lug 402, second fixing lug 403, glue dispensing notch 404;

[0050] Second sleeve joint step portion 601;

[0051] First sleeve joint step portion 801;

[0052] First external threaded rod 901, internally threaded sleeve 902, second external threaded rod 903. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical scheme and advantages of the utility model more clear and definite, the utility model is further described in detail below by referring to the drawings and taking examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0054] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0055] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be disassembly connection, or integrally connected;Can be mechanical connection, also can be electrical connection;It can be directly connected, also can be indirectly connected through the intermediate medium, it can be the communication inside two components.When the component is called "fixed" or "set in" another element, it can be directly on another component or there can be a middle component.When a component is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model.

[0056] The laser oral treatment instrument utilizes high-energy laser beam to treat oral cavity tissue, generates laser through laser generating assembly, transmits the laser to the light emitting tip through the light transmission assembly, emits to the tissue inside the patient's oral cavity through the light emitting tip, and utilizes laser to cut, polish, sterilize and disinfect, etc.Compared with the oral treatment operation based on the traditional oral treatment, the laser oral treatment instrument has the advantages of fast cutting, small injury, high efficiency, etc.The oral surgery implemented by the laser oral treatment instrument has lower pain during operation, and better postoperative recovery effect.

[0057] In the process of cutting, polishing, sterilizing and disinfecting by laser, heat will inevitably be generated, and heat accumulation will cause harm to the patient's oral cavity.In order to prevent heat from accumulating rapidly and causing harm, cooling liquid must be introduced to cool the operation site during oral treatment, therefore, at least laser generating assembly and cooling liquid delivery assembly need to be integrated in the laser oral treatment instrument.

[0058] When laser generating assembly and cooling liquid delivery assembly are integrated in the same device for functional use, considering the waterproof requirement of laser generating assembly, how to improve the sealing performance of the device is a technical problem to be solved in the industry.

[0059] As Figure 1 And Figure 2To solve the above problems, the utility model provides a kind of oral cavity therapeutic instrument laser cavity support device, including front inside support component 1, rear inside support component 2 and laser cavity support cylinder 3.The basic role of the front inside support component 1 and the rear inside support component 2 is to fix the laser cavity support cylinder 3, the front inside support component 1 is fixedly arranged at the front end of the laser cavity support cylinder 3, and the rear inside support component 2 is fixedly arranged at the rear end of the laser cavity support cylinder 3.Laser generating component is provided in the laser cavity support cylinder 3, and the laser generating component includes emitting crystal and pump flash lamp, and the emitting crystal and the pump flash lamp are fixedly arranged in the laser cavity support cylinder 3.The emitting crystal and the pump flash lamp can generate laser in cooperation, and the laser can be used for implementing oral treatment after emission.

[0060] To fix laser generating component, crystal front end fixed through-hole 101 and flash lamp front end fixed through-hole 102 are formed in the front inside support component 1, crystal rear end fixed through-hole 201 and flash lamp rear end fixed through-hole 202 are formed in the rear inside support component 2, and the two ends of the emitting crystal are respectively arranged through the crystal front end fixed through-hole 101 and the crystal rear end fixed through-hole 201, and the two ends of the pump flash lamp are respectively arranged through the flash lamp front end fixed through-hole 102 and the flash lamp rear end fixed through-hole 202.

[0061] To improve the sealing performance of the device, a plurality of gasket compression joints 4 are arranged on the front inside support component 1 and the rear inside support component 2, gasket fixing sleeves 5 are arranged in the through-hole bodies of the crystal front end fixed through-hole 101, the flash lamp front end fixed through-hole 102, the crystal rear end fixed through-hole 201 and the flash lamp rear end fixed through-hole 202, support sealing rings are arranged in the gasket fixing sleeves 5, the support sealing rings are sleeved on the emitting crystal or the pump flash lamp, and the gasket compression joints 4 press the support sealing rings in the gasket fixing sleeves 5.

[0062] Gasket fixing sleeves 5 are arranged on the crystal front end fixed through-hole 101, the flash lamp front end fixed through-hole 102, the crystal rear end fixed through-hole 201 and the flash lamp rear end fixed through-hole 202, the through-hole bodies on the crystal front end fixed through-hole 101, the flash lamp front end fixed through-hole 102, the crystal rear end fixed through-hole 201 and the flash lamp rear end fixed through-hole 202 are coaxially arranged as cylindrical structures with the corresponding gasket fixing sleeves 5, and the end portions of the through-hole bodies are inwardly recessed, i.e. the gasket fixing sleeves 5 are formed, so as to facilitate the clamping and fixing of the support sealing rings.

[0063] When assembling, the two ends of the light-emitting crystal are respectively threaded through the crystal front-end fixed through hole 101 and the crystal rear-end fixed through hole 201, the two ends of the pump flash lamp are respectively threaded through the flash lamp front-end fixed through hole 102 and the flash lamp rear-end fixed through hole 202, and then the support sealing ring is sleeved on the two ends of the light-emitting crystal and the two ends of the pump flash lamp. Finally, the gasket compression piece 4 is assembled, and the support sealing ring is deformed after being extruded by the gasket compression piece 4, filling between the light-emitting crystal and the through holes at both ends, and the pump flash lamp and the through holes at both ends, so as to achieve the technical effects of installing and fixing the light-emitting crystal and the pump flash lamp, and ensuring the sealing performance of the laser cavity support cylinder 3.

[0064] Therefore, based on the above structure, after forming the inner shell through the front internal support assembly 1, the rear internal support assembly 2 and the laser cavity support cylinder 3, the support sealing ring is arranged on the through hole which must be opened by the gasket fixed sleeve 5, and the support sealing ring is deformed by the gasket compression piece 4, so as to improve the sealing performance of the device with a simple structure.

[0065] As shown in Figure 1 and Figure 2 Preferably, a laser cavity support device for an oral treatment instrument, in addition to the front internal support assembly 1, the rear internal support assembly 2 and the laser cavity support cylinder 3, further comprises a front external connecting sleeve 6, a rear external connecting sleeve 7 and a cavity outer sleeve 8.

[0066] The front external connecting sleeve 6 and the rear external connecting sleeve 7 are respectively arranged at the two ends of the cavity outer sleeve 8, the front external connecting sleeve 6 is fixedly arranged at the front end of the cavity outer sleeve 8 and sleeved outside the front internal support assembly 1, the rear external connecting sleeve 7 is fixedly arranged at the rear end of the cavity outer sleeve 8, and the cavity outer sleeve 8 is fixedly arranged outside the laser cavity support cylinder 3.

[0067] Based on the above structure, the outer shell is formed by the front external connecting sleeve 6, the rear external connecting sleeve 7 and the cavity outer sleeve 8, the inner shell formed by the front internal support assembly 1, the rear internal support assembly 2 and the laser cavity support cylinder 3 is surrounded, and the outer shell is waterproofed, thereby further improving the sealing performance of the device.

[0068] Preferably, to make the front inner support assembly 1, the rear inner support assembly 2 and the laser cavity support cylinder 3 better connected into an integral structure, the front inner support assembly 1 is fixedly arranged at the front end of the laser cavity support cylinder 3 through the first connecting threaded assembly 9, the first connecting threaded assembly 9 is sequentially threaded through the front outer connecting sleeve 6 and the front inner support assembly 1 and then fixedly connected with the front end of the laser cavity support cylinder 3; the rear inner support assembly 2 is fixedly arranged at the rear end of the laser cavity support cylinder 3 through the second connecting threaded assembly, the second connecting threaded assembly is threaded through the rear inner support assembly 2 and then fixedly connected with the rear end of the laser cavity support cylinder 3.

[0069] Based on the above structure, the first connecting threaded assembly 9 is sequentially threaded through the front outer connecting sleeve 6 and the front inner support assembly 1 and then fixedly connected with the front end of the laser cavity support cylinder 3, so that the outer shell and the inner shell are connected into an integral structure, and the structural stability of the device can be effectively improved.

[0070] As shown in Figure 3 Preferably, the first connecting threaded assembly 9 comprises a first external threaded rod 901, an internally threaded sleeve 902 and a second external threaded rod 903, the internally threaded sleeve 902 is internally provided with an internally threaded connecting portion, and the first external threaded rod 901 and the internally threaded sleeve 902 are connected end to end to form an integral connecting piece.

[0071] From the structure, the first connecting threaded assembly 9 is divided into two parts, the first part is an integral whole composed of the first external threaded rod 901 and the internally threaded sleeve 902, and the second part is an integral whole formed by the second external threaded rod 903 alone. When assembling, the first external threaded rod 901 is threaded through the front inner support assembly 1 and then fixedly connected with the front end of the laser cavity support cylinder 3, at this time, the front inner support assembly 1 and the laser cavity support cylinder 3 are connected into an integral structure, and at the same time, the internally threaded sleeve 902 is exposed on the front inner support assembly 1, ready for cooperation with the second external threaded rod 903. On this basis, the second external threaded rod 903 is threaded through the front outer connecting sleeve 6 and then fixedly connected with the internally threaded connecting portion of the internally threaded sleeve 902, at this time, the integral structure formed between the front outer connecting sleeve 6, the front inner support assembly 1 and the laser cavity support cylinder 3 is connected into an integral structure again, so that the inner shell and the outer shell of the device are connected into an integral structure. It should be noted that the second connecting threaded assembly is a common bolt structure, which only needs to be able to fix the rear inner support assembly 2 to the laser cavity support cylinder 3.

[0072] Based on the above structure, the front internal support assembly 1 and the laser cavity support cylinder 3 are fixedly connected through the first externally threaded rod 901 and the internally threaded sleeve 902, and the front external connecting sleeve 6 and the front internal support assembly 1 are fixedly connected through the second externally threaded rod 903, so that the outer shell and the inner shell are connected as a whole based on a simple structure, thereby effectively improving the structural stability of the device.

[0073] As shown in Figure 4 and Figure 5 , preferably, the outer side of the front internal support assembly 1 is provided with a first foolproof plane 103, and the inner side of the front external connecting sleeve 6 is provided with a second foolproof plane, and when the front external connecting sleeve 6 is sleeved on the front internal support assembly 1, the first foolproof plane 103 and the second foolproof plane are in close contact with each other. The second foolproof plane is not shown here, and is a structure corresponding to the first foolproof plane 103, which is integrally formed on the inner side of the front external connecting sleeve 6 and is in close contact with the first foolproof plane 103 when the front internal support assembly 1 and the front external connecting sleeve 6 are sleeved on each other.

[0074] Based on the above structure, the front internal support assembly 1 and the front external connecting sleeve 6 are docked through the first foolproof plane 103 and the second foolproof plane in close contact with each other, which can improve the assembly convenience and structural firmness.

[0075] As shown in Figure 6 , preferably, the front end of the cavity outer sleeve 8 is provided with a first sleeving step portion 801, the cavity outer sleeve 8 is formed with the first sleeving step portion 801 by inward recessing, and the rear end of the cavity outer sleeve 8 is provided with an internally threaded connecting portion; the front external connecting sleeve 6 is provided with a second sleeving step portion 601, the front external connecting sleeve 6 is formed with the second sleeving step portion 601 by inward recessing, and the front external connecting sleeve 6 is sleeved and fixed to the front end of the cavity outer sleeve 8 through the mutual engagement of the first sleeving step portion 801 and the second sleeving step portion 601. Based on the above structure, the cavity outer sleeve 8 and the front external connecting sleeve 6 are sleeved on each other through the first sleeving step portion 801 and the second sleeving step portion 601, and then are fixed through point gluing at the first sleeving step portion 801 and the second sleeving step portion 601, thereby realizing the stable connection between the cavity outer sleeve 8 and the front external connecting sleeve 6 and effectively ensuring the sealing performance of the device.

[0076] The rear external connecting sleeve 7 is provided with an externally threaded connecting portion, is sleeved with a sleeve sealing ring, and is fixedly arranged at the rear end of the cavity outer sleeve 8 through the externally threaded connecting portion on the rear external connecting sleeve 7 and the internally threaded connecting portion at the rear end of the cavity outer sleeve 8, with the sleeve sealing ring located between the rear external connecting sleeve 7 and the rear end of the cavity outer sleeve 8.

[0077] Based on the above structure, the cavity outer sleeve 8 and the rear external connecting sleeve 7 are connected by threads, and after the assembly of the front internal support assembly 1, the rear internal support assembly 2, and the laser cavity support cylinder 3 is completed, the cavity outer sleeve 8 and the front external connecting sleeve 6 are fixedly installed outside the front internal support assembly 1, the rear internal support assembly 2, and the laser cavity support cylinder 3, and finally the rear external connecting sleeve 7 is assembled on the cavity outer sleeve 8 by thread cooperation, thereby forming a whole based on a simple structure and facilitating assembly and disassembly.

[0078] As shown in Figure 7 and Figure 8 Preferably, the front internal support assembly 1 and the rear internal support assembly 2 are respectively provided with a front sleeve connecting boss 104 and a rear sleeve connecting boss 203, the front internal support assembly 1 is fixedly sleeved on one end of the laser cavity support cylinder 3 through the front sleeve connecting boss 104, the rear internal support assembly 2 is fixedly sleeved on the other end of the laser cavity support cylinder 3 through the rear sleeve connecting boss 203, and the outer sides of the front sleeve connecting boss 104 and the rear sleeve connecting boss 203 are tightly fitted on the inner side of the laser cavity support cylinder 3.

[0079] Based on the above structure, the front internal support assembly 1 and the rear internal support assembly 2 are sleeved on the laser cavity support cylinder 3 through the front sleeve connecting boss 104 and the rear sleeve connecting boss 203, and then mutual fixation between the front internal support assembly 1, the rear internal support assembly 2, and the laser cavity support cylinder 3 is realized by cooperation of point gluing.

[0080] As shown in Figure 9 Preferably, the grommet press-fit member 4 includes a press-fit sleeve 401, a first fixed lug 402, and a second fixed lug 403, and the first fixed lug 402 and the second fixed lug 403 are fixedly arranged on both sides of the press-fit sleeve 401. Specifically, the first fixed lug 402 and the second fixed lug 403 are integrally formed on both sides of the press-fit sleeve 401.

[0081] On the front inner support assembly 1, the gasket crimping piece 4 is fixed to the front inner support assembly 1 through crimping piece bolts threaded through the first fixing lug 402 and the second fixing lug 403, and the crimping sleeve 401 crimps the support sealing ring into the gasket fixing sleeve 5 on the front inner support assembly 1; on the rear inner support assembly 2, the gasket crimping piece 4 is fixed to the rear inner support assembly 2 through crimping piece bolts threaded through the first fixing lug 402 and the second fixing lug 403, and the crimping sleeve 401 crimps the support sealing ring into the gasket fixing sleeve 5 on the rear inner support assembly 2. Based on the above structure, the crimping sleeve 401 is fixed through the first fixing lug 402 and the second fixing lug 403 to better crimp the support sealing ring and improve the sealing performance of the device.

[0082] As shown in Figure 9 Preferably, at least one glue dispensing notch 404 is formed in the side wall of the crimping sleeve 401 on the gasket crimping piece 4 arranged on the crystal front end fixed through hole 101, and a lens is fixed in the crimping sleeve 401 by adhesive.

[0083] In the working process, the light emitted by the light-emitting crystal needs to pass through the crystal front end fixed through hole 101 to be emitted outward, and a lens needs to be arranged on the window for dust prevention. It can be understood that when the lens is fixed by adhesive in the crystal front end fixed through hole 101, if the adhesive is applied on the crystal front end fixed through hole 101 or the lens first, and then the lens is pushed in, the adhesive may spread to the end face of the lens during the operation. In order to solve this problem, at least one glue dispensing notch 404 is formed in the side wall of the crimping sleeve 401, preferably one on each side, which facilitates glue dispensing in both directions of the lens, thereby preventing the lens from being contaminated during the adhesive fixing process and ensuring smooth light emission.

[0084] Preferably, the front inner support assembly 1 and the rear inner support assembly 2 are integrally formed PEEK structures. Using PEEK structures as the front inner support assembly 1 and the rear inner support assembly 2 makes the device have the advantages of high strength, light weight and good heat insulation performance.

[0085] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall fall within the protection scope of the claims attached to the present application.

Claims

1. A laser cavity support device for an oral treatment instrument, characterized in that, The system includes a front internal support assembly, a rear internal support assembly, and a laser cavity support cylinder. The front internal support assembly is fixedly disposed at the front end of the laser cavity support cylinder, and the rear internal support assembly is fixedly disposed at the rear end of the laser cavity support cylinder. A laser generating assembly is disposed inside the laser cavity support cylinder. The laser generating assembly includes a light-emitting crystal and a pump flash lamp, and the light-emitting crystal and the pump flash lamp are fixedly disposed inside the laser cavity support cylinder. The front internal support assembly has a crystal front end fixing through hole and a flash lamp front end fixing through hole, and the rear internal support assembly has a crystal rear end fixing through hole and a flash lamp rear end fixing through hole. The two ends of the light-emitting crystal are respectively disposed through the crystal front end fixing through hole and the crystal rear end fixing through hole, and the two ends of the pump flash lamp are respectively disposed through the flash lamp front end fixing through hole and the flash lamp rear end fixing through hole. Multiple gasket pressing components are provided on the front internal support assembly and the rear internal support assembly. Gasket fixing sleeves are provided in the respective through-hole bodies of the crystal front-end fixing through-hole, the flash lamp front-end fixing through-hole, the crystal rear-end fixing through-hole, and the flash lamp rear-end fixing through-hole. A support member sealing ring is provided in the gasket fixing sleeve. The support member sealing ring is sleeved on the light-emitting crystal or the pump flash lamp. The gasket pressing components press the support member sealing ring into the gasket fixing sleeve.

2. The laser cavity support device for an oral treatment instrument according to claim 1, characterized in that, It also includes a front external connecting sleeve, a rear external connecting sleeve, and a cavity outer sleeve; The front external connecting sleeve and the rear external connecting sleeve are respectively disposed at both ends of the cavity outer sleeve. The front external connecting sleeve is fixedly disposed at the front end of the cavity outer sleeve and sleeved outside the front internal support assembly. The rear external connecting sleeve is fixedly disposed at the rear end of the cavity outer sleeve. The cavity outer sleeve is fixedly disposed outside the laser cavity support cylinder.

3. The laser cavity support device for an oral treatment instrument according to claim 2, characterized in that, The front internal support assembly is fixedly disposed at the front end of the laser cavity support cylinder by a first connecting thread assembly. The first connecting thread assembly passes through the front external connecting sleeve and the front internal support assembly in sequence and is then fixedly connected to the front end of the laser cavity support cylinder. The rear internal support assembly is fixedly disposed at the rear end of the laser cavity support cylinder by a second connecting thread assembly, and the second connecting thread assembly passes through the rear internal support assembly and is fixedly connected to the rear end of the laser cavity support cylinder.

4. The laser cavity support device for an oral treatment instrument according to claim 3, characterized in that, The first connecting thread assembly includes a first external thread rod, an internal thread sleeve, and a second external thread rod. The internal thread sleeve is provided with an internal thread connection part. The first external thread rod and the internal thread sleeve are connected end to end to form a connecting component. The first external threaded rod passes through the front internal support assembly and is fixedly connected to the front end of the laser cavity support cylinder. The second external threaded rod passes through the front external connecting sleeve and is fixedly connected to the internal threaded connection part of the internal threaded sleeve.

5. The laser cavity support device for an oral treatment instrument according to claim 2, characterized in that, The outer side of the front internal support assembly is provided with a first anti-foolproof plane, and the inner side of the front external connecting sleeve is provided with a second anti-foolproof plane. When the front external connecting sleeve is fitted over the front internal support assembly, the first anti-foolproof plane and the second anti-foolproof plane fit together.

6. The laser cavity support device for an oral treatment instrument according to claim 2, characterized in that, The front end of the outer sleeve of the cavity is provided with a first connecting step portion, which is formed by the inward indentation of the outer sleeve of the cavity, and the rear end of the outer sleeve of the cavity is provided with an internal thread connection portion. The front external connecting sleeve is provided with a second sleeve step portion. The front external connecting sleeve forms the second sleeve step portion by being recessed inward. The front external connecting sleeve is sleeved and fixed to the front end of the cavity outer sleeve by the interlocking of the first sleeve step portion and the second sleeve step portion. The rear external connecting sleeve is provided with an external threaded connection part, and a sleeve sealing ring is provided on the outer sleeve of the rear external connecting sleeve. The rear external connecting sleeve is fixedly disposed at the rear end of the cavity outer sleeve by the external threaded connection part thereon threadedly engaging with the internal threaded connection part at the rear end of the cavity outer sleeve. The sleeve sealing ring is located between the rear external connecting sleeve and the rear end of the cavity outer sleeve.

7. The laser cavity support device for an oral treatment instrument according to claim 1, characterized in that, The front internal support assembly and the rear internal support assembly are respectively provided with a front sleeve boss and a rear sleeve boss. The front internal support assembly is fixedly sleeved on one end of the laser cavity support cylinder through the front sleeve boss, and the rear internal support assembly is fixedly sleeved on the other end of the laser cavity support cylinder through the rear sleeve boss. The outer sides of the front sleeve boss and the rear sleeve boss are tightly fitted to the inner side of the laser cavity support cylinder.

8. The laser cavity support device for an oral treatment instrument according to claim 1, characterized in that, The gasket crimping component includes a crimping sleeve, a first fixing lug, and a second fixing lug, wherein the first fixing lug and the second fixing lug are fixedly disposed on both sides of the crimping sleeve; On the front internal support assembly, the gasket crimping member is fixed to the front internal support assembly by crimping member bolts passing through the first fixing ear and the second fixing ear, and the crimping sleeve crimps the support member sealing ring into the gasket fixing sleeve on the front internal support assembly; On the rear internal support assembly, the gasket crimping member is fixed to the rear internal support assembly by crimping member bolts passing through the first fixing ear and the second fixing ear, and the crimping sleeve crimps the support member sealing ring into the gasket fixing sleeve on the rear internal support assembly.

9. The laser cavity support device for an oral treatment instrument according to claim 8, characterized in that, On the gasket pressing component located on the fixed through hole at the front end of the crystal, at least one adhesive notch is provided on the side wall of the pressing sleeve, and a lens is fixedly installed inside the pressing sleeve by adhesive.

10. A laser cavity support device for an oral treatment instrument according to any one of claims 1-9, characterized in that, Both the front internal support assembly and the rear internal support assembly are integrally formed PEEK structures.

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