CN211433267U - Protective tube assembly for plasma resectoscope - Google Patents
Protective tube assembly for plasma resectoscope Download PDFInfo
- Publication number
- CN211433267U CN211433267U CN201921931346.8U CN201921931346U CN211433267U CN 211433267 U CN211433267 U CN 211433267U CN 201921931346 U CN201921931346 U CN 201921931346U CN 211433267 U CN211433267 U CN 211433267U
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- protection tube
- hole
- axial positioning
- handle main
- positioning
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Abstract
The utility model provides a protection tube subassembly for plasma resectoscope, the protection tube subassembly comprises protection tube, microscope base, and the protection tube front end sets up positioning guide way, axial positioning groove, radial positioning hole, the protection tube shell fragment compresses tightly with the cooperation of handle main part inner wall, set up the axial positioning pinhole in the handle main part, axial positioning pin interference fit packs into in handle main part axial positioning pin hole, the positioning guide way of axial positioning pin diameter and protection tube, axial positioning groove width cooperation, the axial positioning pin head is located between protection tube outer wall and the inner wall, it is fixed with radial positioning screw that handle main part and protection tube pass through radial positioning hole. Two radial positioning holes are formed in the protection tube, and the included angle between the two radial positioning holes is larger than 90 degrees. The lens base is provided with a lens base locking hole, a lens hole channel, a support mounting hole, a pressure spring mounting cavity, a lens spring clip mounting hole and an electrode plug threaded hole. The structure is simple, the installation and the maintenance are convenient, the cost is low, and the effect is good.
Description
Technical Field
The application relates to a protection tube component for a plasma resectoscope, which belongs to a component of the plasma resectoscope.
Background
In the use process of the plasma resectoscope working handle in the prior art, because the sliding block component is a quick-wear part, the whole body needs to be detached for maintenance when a fault occurs. But structural at present, protection tube structure one end and mirror seat welding, the other end and the welding of handle main part are non-detachable structure, must destroy the part during maintenance, have placed a large amount of epoxy glue moreover between protection tube and the operation tube subassembly, must heat high temperature and just can dismantle, very easily destroy the plastics handle, and the maintenance degree of difficulty is great, and is with high costs.
Disclosure of Invention
The technical problem that this application was solved is overcome the above-mentioned not enough that exists among the prior art, and provides a structure succinct, installation easy maintenance, with low costs a protection tube subassembly for plasma resectoscope.
The technical scheme adopted by the application for solving the technical problems comprises the following steps: the utility model provides a protection tube subassembly for plasma resectoscope, characterized by the protection tube subassembly is by the protection tube, the microscope base is constituteed, the protection tube front end sets up the positioning guide way, the axial positioning groove, the radial positioning hole, the protection tube shell fragment compresses tightly with the cooperation of handle main part inner wall, set up the axial positioning pinhole in the handle main part, axial positioning pin interference fit packs into in handle main part axial positioning pinhole, the positioning guide way of axial positioning pin diameter and protection tube, the cooperation of axial positioning groove width, the axial positioning pin head is located between protection tube outer wall and the inner wall, handle main part is fixed with radial positioning screw through the radial positioning hole with the protection tube, make protection tube and handle main part simple installation, it.
Two radial positioning holes are formed in the protection tube, the included angle between the two radial positioning holes is larger than 90 degrees, and the protection tube is preferably set to be 120 degrees.
This application set up two protection tube shell fragments on the protection tube, outwards open and keep always with the contact of handle main part inner wall under the natural state, ensure electrically conductive, contact impedance is little. The contact part of the protection tube elastic sheet and the handle main body can be plated with gold to reduce contact resistance.
The protective tube and the operating tube assembly are coated with proper conductive silicone grease to ensure good conductive contact.
The mirror base is provided with a mirror base lock mirror hole, a mirror hole channel, a support mounting hole, a pressure spring mounting cavity, a mirror spring clip mounting hole and an electrode plug threaded hole.
Compared with the prior art, the application has the following advantages and effects: the structure is succinct, and installation easy maintenance is with low costs, and is effectual.
Drawings
Fig. 1 is a schematic application diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view D-D of fig. 1.
Fig. 3 is a schematic structural diagram of a protection tube assembly according to an embodiment of the present application.
In the figure: 100-operating tube assembly, 200-handle body, 300-guide pin, 400-axial positioning pin (axial positioning pin hole), 500-radial positioning screw (radial positioning hole), 600-body seal, 700-lock nut, 800-handle, 900-protective tube assembly, 901-protective tube, 902-lens base, 9001-positioning guide groove, 9002-axial positioning groove, 9003-radial positioning hole, 9004-elastic sheet, 1000-slider assembly, 1100-torsion frame shaft, 1200-torsion spring, 1300-torsion frame, 1400-bracket, 1500-torsion frame screw, 1600-lens seal, 1700-ring screw, 1800-gasket, 1900-ring, 9021-lens base lock lens hole, 9022-lens hole, 2000-electrode plug, 2100-electrode sheath, 2200-mirror spring clip, 2300-mirror base button and 2400-pressure spring.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present application and are not limited to the following examples. In this embodiment, the front-back and left-right directions are relative to fig. 1, and fig. 1 shows the front on the left and the back on the right, unless otherwise stated.
Referring to fig. 1 to 3, the working handle of the plasma resectoscope in this embodiment comprises an operation tube assembly 100, a handle main body 200, a protection tube assembly 900, a handle 800, a slider assembly 1000, a twisting frame shaft 1100, a twisting frame 1300, a support 1400, and a scope elastic clip 2200, wherein the handle main body 200 is sleeved on the protection tube assembly; the two guide pins 300 are arranged in the handle main body 200 and are symmetrically distributed, the handle 800 is fixed on the handle main body 200, the slider assembly 1000 is sleeved on the protective tube 901, the middle part of the twisting frame 1300 is arranged on the slider assembly 1000 through a twisting frame screw 1500, one end of the twisting frame 1300 is arranged on one end of the support 1400 through a twisting frame shaft 1100, the other end of the twisting frame 1300 is provided with a ring 1900, the twisting frame shaft 1100 is provided with a torsion spring 1200, and the other end of the support 1400 is fixed on a lens base 902 of the protective tube assembly 900 through a screw; the pressure spring 2400 and the mirror spring clip 2200 are sequentially arranged in a mirror base 902 hole at the rear part of the protective tube assembly 900, the mirror base button 2300 is installed on the mirror spring clip 2200, the electrode sheath 2100 is sleeved on the electrode plug 2000, the electrode plug 2000 is screwed into an electrode plug threaded hole 9026 above the mirror base 902 and is clamped in a positioning groove of the mirror spring clip 2200, the handle body 200, the protective tube assembly 900 and the electrode plug 2000 are all made of conductive metal materials and are mutually communicated, and the mirror spring clip 2200 is matched with a lock clip of an endoscope.
The mirror base 902 is provided with a mirror base lock mirror hole 9021, a mirror hole channel 9022, a support mounting hole 9023 for mounting the support 1400, a pressure spring mounting cavity 9024 for mounting the pressure spring 2400, a mirror spring clip mounting hole 9025 for mounting the mirror spring clip 2200, and an electrode plug screw hole 9026 for mounting the electrode plug 2000.
The front end of the protection tube 901 is provided with a positioning guide groove 9001, an axial positioning groove 9002, two radial positioning holes 9003 and two symmetrical protection tube elastic pieces 9004; and an axial positioning pin hole is newly added on the handle main body 200; during assembly, the axial positioning pin 400 is arranged in the axial positioning pin hole of the handle body 200 in an interference fit manner, and after assembly, the axial positioning pin 400 can be inserted into the positioning guide groove 9001 of the protection tube 901 but not exceed the wall thickness of the protection tube 901, namely, the head part (the part inserted into the outer wall of the protection tube 901) of the axial positioning pin 400 is positioned between the outer wall and the inner wall of the protection tube 901 and does not penetrate out of the inner wall of the; after the protection tube 901 and the lens base 902 are welded together by laser, the positioning guide groove 9001 (the width of which is slightly larger than the outer diameter of the axial positioning pin 400) of the protection tube 901 is aligned with the axial positioning pin 400 and then inserted to the bottom, then the protection tube 901 is rotated to enable the axial positioning pin 400 to move relatively to the axial positioning groove 9002 to the bottom, at this time, the two radial positioning holes 9003 are just aligned with the positioning screw holes on the handle main body 200, the two radial positioning screws 500 are installed into the handle main body 200 and fixed, and the protection tube 901 is positioned (not rotated) in the radial direction.
The axial positioning pin 400 is matched with the axial positioning groove 9002 of the protection tube 901 to play a role in axial (front and back) positioning.
The angle between two radial positioning holes 9003 of the protection tube is larger than 90 degrees, and the angle is preferably 120 degrees in the embodiment.
Two protection tube elastic sheets 9004 are arranged on the protection tube 901 of the application and are outwards opened in a natural state. After the handle main body 200 is installed, the protection tube elastic sheet 9004 can always keep contact with the inner wall of the handle main body 200, so that the electric conduction is ensured, and the contact impedance is small. The contact between the two protective tube elastic pieces 9004 of the protective tube 901 and the handle main body 200 may be plated with gold to reduce contact resistance.
Suitable conductive silicone grease is applied between the protection tube 901 and the operation tube assembly 100 to ensure good conductive contact.
This application has designed a structure convenient to maintenance and reliable operation, and the assembly is simple, reasonable, convenient with the dismantlement process, because do not use epoxy to glue, need not use the high temperature to glue and dismantle, destroys the part for cost of maintenance reduces.
Dismounting process of the protection tube 901:
contrary to the assembling process, the two radial positioning screws 500 are unscrewed, and then the protective tube 901 is rotated reversely to the bottom and pulled out.
The advantages include:
1. the protective tube component is designed in a detachable structure, so that the sliding block component is convenient to replace, and the maintenance cost is reduced;
2. the electric conduction performance is better, and the reliability is improved.
All simple variations and combinations of the technical features and technical solutions of the present application are considered to fall within the scope of the present application.
Claims (7)
1. A protection tube assembly for a plasma resectoscope, characterized by: the protection tube subassembly comprises protection tube, microscope base, and the protection tube front end sets up the positioning guide way, the axial positioning groove, radial positioning hole, the protection tube shell fragment, and the protection tube shell fragment compresses tightly with the cooperation of handle main part inner wall, sets up the axial positioning pinhole in the handle main part, and the axial positioning pin interference fit is packed into in handle main part axial positioning pinhole, the positioning guide way of axial positioning pin diameter and protection tube, axial positioning groove width cooperation, the axial positioning pin head is located between protection tube outer wall and the inner wall, and the handle main part is fixed with the protection tube through radial positioning screw for the radial positioning hole.
2. The protective tube assembly for a plasma resectoscope of claim 1, wherein: two radial positioning holes are formed in the protection tube, and the included angle between the two radial positioning holes is larger than 90 degrees.
3. The protective tube assembly for a plasma resectoscope of claim 1, wherein: two protection tube elastic sheets are arranged on the protection tube.
4. The protective tube assembly for a plasma resectoscope of claim 2, wherein: the included angle between two radial positioning holes is 120 degrees.
5. The protective tube assembly for a plasma resectoscope according to any one of claims 1 to 4, wherein: the contact part of the protecting tube elastic sheet and the handle main body is plated with gold.
6. The protective tube assembly for a plasma resectoscope of claim 1, wherein: conductive silicone grease is coated between the protection tube and the operation tube assembly.
7. The protective tube assembly for a plasma resectoscope of claim 1, wherein: the lens base is provided with a lens base locking hole, a lens hole channel, a support mounting hole, a pressure spring mounting cavity, a lens spring clip mounting hole and an electrode plug threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931346.8U CN211433267U (en) | 2019-11-11 | 2019-11-11 | Protective tube assembly for plasma resectoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931346.8U CN211433267U (en) | 2019-11-11 | 2019-11-11 | Protective tube assembly for plasma resectoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211433267U true CN211433267U (en) | 2020-09-08 |
Family
ID=72310065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921931346.8U Expired - Fee Related CN211433267U (en) | 2019-11-11 | 2019-11-11 | Protective tube assembly for plasma resectoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211433267U (en) |
-
2019
- 2019-11-11 CN CN201921931346.8U patent/CN211433267U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |