CN219397412U - Firing positioning structure of endoscopic stapler - Google Patents
Firing positioning structure of endoscopic stapler Download PDFInfo
- Publication number
- CN219397412U CN219397412U CN202320665499.2U CN202320665499U CN219397412U CN 219397412 U CN219397412 U CN 219397412U CN 202320665499 U CN202320665499 U CN 202320665499U CN 219397412 U CN219397412 U CN 219397412U
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- positioning
- strip
- block
- rack
- open slot
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a firing positioning structure of an endoscope anastomat, which aims to solve the problems that the existing firing positioning structure is complex in structure, and a positioning block can not rapidly clamp a rack to prevent the rack from retreating when a movable handle rotates; the movable handle is also provided with a hinge part hinged with one end of the connecting block, the other end of the connecting block is hinged with the positioning strip, and the positioning strip is sleeved with a positioning block; an open slot is formed in the rear section of the positioning strip, and the front end of the open slot is provided with an inclined opening which is perpendicular to the length direction of the positioning strip and is obliquely formed towards the front end of the positioning strip; the positioning block is internally provided with a telescopic positioning pin, the positioning pin and the open slot are arranged on the same straight line and are matched with the open slot, and the positioning rack or the release rack is limited.
Description
Technical Field
The utility model relates to a firing positioning structure of an endoscopic stapler, in particular to a firing positioning structure of an endoscopic stapler.
Background
The existing endoscope anastomat realizes that the movable handle drives the rack pushing block to push the rack to advance in the advancing process, achieves the aim of realizing the operation result, and can enable the positioning block to be separated from the rack at proper time, so that the rack is not limited in the advancing process; however, when the movable handle rotates, the positioning block cannot rapidly clamp the rack, and a hysteresis effect is caused, so that the operation result is reversed, the operation efficiency is reduced, and the operation safety of an operator is poor in the operation process.
In summary, the existing endoscope anastomat has the problem that the positioning block can not rapidly clamp the rack to prevent the rack from backing when the movable handle rotates.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problem that when the movable handle rotates, the positioning block can not rapidly clamp the rack to prevent the rack from backing, the utility model provides a firing positioning structure of the endoscope anastomat.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cavity mirror anastomat percussion positioning structure, which comprises a movable handle and a rack pushing block, wherein the rack pushing block is hinged at the top end of the movable handle; the movable handle is also provided with a hinge part hinged with one end of the connecting block, the other end of the connecting block is hinged with the positioning strip, and the positioning strip is sleeved with a positioning block;
an open slot is formed in the rear section of the positioning strip, and the front end of the open slot is provided with an inclined opening which is perpendicular to the length direction of the positioning strip and is obliquely formed towards the front end of the positioning strip;
the positioning block is internally provided with a telescopic positioning pin, and the positioning pin and the open slot are arranged on the same straight line and are matched with the open slot, so that the rack is limited or released.
Further, the lower part of the rack pushing block is provided with a first inclined surface, the side surface of the connecting block is provided with a bulge, and the bulge is provided with a second inclined surface matched with the first inclined surface in an inclined way.
Further, the protrusions are prismatic or columnar hexahedrons.
Further, the locating strip is in a strip shape with a thin front part and a thick rear part, the diameters of the front section and the middle section of the locating strip are smaller than those of the rear section of the locating strip, a transition inclined surface is arranged between the middle section and the rear section of the locating strip, and when the locating strip is pushed out forwards, the transition inclined surface extrudes the locating block downwards to separate the locating block from the rack.
Further, the locating pin is perpendicular to the locating strip, a limiting boss is arranged on the pin body of the locating pin, the spring is sleeved on the locating pin, one end of the spring abuts against the rear end of the limiting boss, and the other end of the spring abuts against the inner wall of the locating block installation position.
The utility model has the beneficial effects that the firing positioning structure of the endoscope anastomat has the advantages that the positioning strip with narrow front and wide rear or thin front and thick rear replaces the prior various limiting blocks and sliding blocks, the rear side of the rear section of the positioning strip is provided with the open slot, and the positioning block is additionally provided with the positioning pin which is matched with the open slot to be locked; when the movable handle rotates, the positioning block can rapidly clamp the rack, and the rack is immediately prevented from retreating.
In conclusion, the utility model has the characteristics of simple structure, rapid check of the rack and good check effect.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the movable handle of the present utility model.
Fig. 3 and 4 are schematic structural views of the locating bar and the locating block of the present utility model.
Fig. 5 is a schematic structural view of the positioning block of the present utility model.
In the figure: 1. the movable handle, the rack pushing block, the hinge part, the connecting block, the positioning bar, the positioning block, the rack, the transitional inclined surface, the opening groove, the inclined opening, the positioning pin, the limiting boss, the spring hole and the protrusion.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and a preferred embodiment. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
The utility model provides a cavity mirror anastomat firing location structure as shown in fig. 1 to 5, including movable handle 1 and rack pushing block 2, rack pushing block 2 is through the articulated installation in the top of bolt and movable handle 1, still processed articulated portion 3 on the movable handle 1, articulated portion 3 is located the upper segment of movable handle 1, the downside of rack pushing block 2, articulated portion 3 articulates installation connecting block 4, connecting block 4 is articulated owing to locating piece 5, locating piece 6 has been sleeved with in the outside of locating piece 5, locating piece 5 can reciprocate in locating piece 6.
The locating strip 5 is in a square strip shape with a thin front part and a thick rear part, the diameters of the front section and the middle section of the locating strip 5 are smaller than the diameter of the rear section of the locating strip 5, the diameters of the front section and the middle section of the locating strip 5 are equal, a transition inclined plane 8 exists between the middle section and the rear section of the locating strip 5, an open slot 9 is formed in the rear section of the locating strip 5, and an inclined opening 10 perpendicular to the length direction of the locating strip 5 and formed in the inclined direction of the front end of the locating strip 5 is processed at the front end of the open slot 9.
The locating block 6 is also provided with a locating pin 11, the locating pin 11 is perpendicular to the locating strip 6 and is positioned on the same straight line with the open slot 9, a limiting boss 12 is processed on the pin body of the locating pin 11, a spring 13 is sleeved on the locating pin 11, one end of the spring 13 abuts against the rear end of the limiting boss 12, the other end of the spring 13 abuts against the inner wall of the installation position of the locating block 6, and a spring hole 14 for placing a jacking spring is processed at the bottom of the locating block 6.
In order to prevent the positioning strip 5 from being blocked due to excessive backset, the lower part of the rack pushing block 2 is provided with a first inclined surface, the side surface of the connecting block 4 is provided with a protrusion 15, the protrusion 15 is provided with a second inclined surface matched with the inclined surface of the first inclined surface, and the protrusion 15 is a columnar hexahedron.
Practical use
When the movable handle 1 moves anticlockwise:
s1: the positioning strip 5 moves leftwards, the transition inclined surface 8 contacts the positioning pin 11, and downward force is applied to the positioning block 6 through the positioning pin 11, the positioning block 6 presses the jacking spring downwards, and the positioning block 6 is separated from the rack 7; at the same time as the positioning bar 5 is pushed out to the left, the rack pushing block 2 moves up to contact the rack 7 and realize pushing the rack 7 to move to the left.
S2: when the positioning bar 5 moves to the left to the rear section, the positioning pin 11 is pushed into the open slot 9 under the reaction force of the jack spring, and at the same time, the positioning bar 5 rapidly rebounds to lift the locking rack 7 under the reaction force of the jack spring.
When the movable handle 1 acts clockwise:
s1: the positioning strip 5 moves rightwards, and the positioning pin 11 slides out of the open slot 9 along the inclined opening 10 at the front end (left side) of the open slot 9; the rack bar pushing block 2 moves downward away from the rack bar 7 while the positioning bar 5 moves rightward.
The foregoing description is merely illustrative of specific embodiments of the utility model, and the utility model is not limited to the details shown, since modifications and variations of the foregoing embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a cavity mirror anastomat percussion positioning structure, which comprises a movable handle and a rack pushing block, wherein the rack pushing block is hinged at the top end of the movable handle; the method is characterized in that: the movable handle is also provided with a hinge part hinged with one end of the connecting block, the other end of the connecting block is hinged with the positioning strip, and the positioning strip is sleeved with a positioning block;
an open slot is formed in the rear section of the positioning strip, and the front end of the open slot is provided with an inclined opening which is perpendicular to the length direction of the positioning strip and is obliquely formed towards the front end of the positioning strip;
the positioning block is internally provided with a telescopic positioning pin, and the positioning pin and the open slot are arranged on the same straight line and are matched with the open slot, so that the rack is limited or released.
2. The endoscopic stapler firing positioning structure according to claim 1, wherein: the lower part of the rack pushing block is provided with a first inclined surface, the side surface of the connecting block is provided with a bulge, and the bulge is provided with a second inclined surface matched with the inclined surface of the first inclined surface.
3. The endoscopic stapler firing positioning structure according to claim 2, wherein: the protrusions are prismatic or columnar hexahedrons.
4. The endoscopic stapler firing positioning structure according to claim 1, wherein: the positioning strip is in a strip shape with a thin front part and a thick rear part, the diameters of the front section and the middle section of the positioning strip are smaller than those of the rear section of the positioning strip, a transition inclined surface is arranged between the middle section and the rear section of the positioning strip, and when the positioning strip is pushed forward, the transition inclined surface extrudes the positioning block downwards to separate the positioning block from the rack.
5. The endoscopic stapler firing positioning structure according to claim 1, wherein: the locating pin is perpendicular with the locating strip, has spacing boss on the round pin body of locating pin, and the spring housing is established on the locating pin, and the one end of spring supports the rear end at spacing boss, and the other end of spring supports on the inner wall of locating piece installation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665499.2U CN219397412U (en) | 2023-03-30 | 2023-03-30 | Firing positioning structure of endoscopic stapler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665499.2U CN219397412U (en) | 2023-03-30 | 2023-03-30 | Firing positioning structure of endoscopic stapler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219397412U true CN219397412U (en) | 2023-07-25 |
Family
ID=87241659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320665499.2U Active CN219397412U (en) | 2023-03-30 | 2023-03-30 | Firing positioning structure of endoscopic stapler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219397412U (en) |
-
2023
- 2023-03-30 CN CN202320665499.2U patent/CN219397412U/en active Active
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