CN204351795U - Apparatus locking switch and perforator - Google Patents
Apparatus locking switch and perforator Download PDFInfo
- Publication number
- CN204351795U CN204351795U CN201420830091.7U CN201420830091U CN204351795U CN 204351795 U CN204351795 U CN 204351795U CN 201420830091 U CN201420830091 U CN 201420830091U CN 204351795 U CN204351795 U CN 204351795U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- locking switch
- locking
- curved surface
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The apparatus locking switch of this utility model is containing handle, rotating shaft, locking curved surface, housing and apparatus through hole.The center of locking curved surface is low, and edge is high; Along with the rotation of rotating shaft, the edge of locking curved surface progressively changes at described turn of axial height, and progressively produce interference fit between apparatus locking switch and apparatus, apparatus is locked in apparatus through hole.Due to apparatus locking switch take be along axis rotate lock mode, movement clearance is less, and structure is compacter, and apparatus can not be caused to move up and down.The perforator of this utility model, because employing the apparatus locking switch of this utility model, has compact conformation, safe and reliable advantage.
Description
Technical field
This utility model relates to a kind of laparoscopically surgical operation apparatus, particularly relates to the apparatus locking switch and perforator that use in laparoscopic surgery.
Background technology
Laparoscopic surgery obtains to be applied more and more widely, in order to avoid nosocomial infection, the consumption of the disposable puncture device (Trocar) used in laparoscopic surgery is also increasing, on the basis ensureing serviceability, simplify structure, reduce costs, improve performance, this trend has become the direction that perforator improves.
In prior art, apparatus locking switch is arranged on the upper cover of housing and the installation combinatorial surface place of lower cover usually, employing be that the mode swung up and down along axis carries out locking and relaxing.When locking switch is along the axis bottom, locking switch is opened, and apparatus can insert and take out from installing hole, and when locking switch is along when axis is put, locking switch cuts out, and apparatus is fixed in installing hole.What adopt due to existing technical scheme is the mode swung up and down along axis, therefore, in the process of apparatus locking switch folding, required space is larger, operating theater instruments, as scope, can make apparatus move up and down along operating theater instruments through hole when closing locking switch.And be ensure that apparatus can be fixed in installing hole and is not moved, what usually adopt at present is that the mode of interference fit is fixed apparatus.Therefore, the stress that inevitably can produce local around locking switch is concentrated.When stress is excessive, the assembling of the upper cover near locking switch and lower cover can be caused to occur unclamping, even cause being separated of upper cover and lower cover, thus interrupt operation process.
Owing to there is above-mentioned defect in prior art, thus need to improve the apparatus locking switch of prior art and perforator.
Summary of the invention
The apparatus locking switch of this utility model, is characterized in that: described apparatus locking switch 9 is containing handle 1, rotating shaft 2, locking curved surface 3, housing 4, apparatus through hole 5;
A. described locking curved surface 3 is located at the far-end of described rotating shaft 2; The center 31 of described locking curved surface 3 is low, and edge 32 is high, is tilted glossily to described edge 32 by described center 31; Along with the rotation of described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the height of the axis of described rotating shaft 2;
B. described rotating shaft 2 is containing detent 21; Described housing 4 is containing upper cover 41, lower cover 42, rotating shaft installing hole 43 and rotating shaft locating piece 44; Described rotating shaft 2 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21; On the upper cover 41 that described rotating shaft 2, described rotating shaft locating piece 44 are arranged on housing 4 and lower cover 42;
C. the centrage of described rotating shaft 2 and the centrage of described apparatus through hole 5 are non-flat line;
D. described handle 1 is located at the near-end of described rotating shaft 2, is exposed to outside housing 4.
Be arranged in rotating shaft installing hole 43 by the rotating shaft 2 of described apparatus locking switch 9, described rotating shaft locating piece 44 is embedded in detent 21, closes up upper cover 41 and the lower cover 42 of described housing 4, can complete the assembling of described apparatus locking switch 9.After described apparatus locking switch 9 is assembled, when inserting described apparatus 6 in described apparatus through hole 5, during as scope, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of the height of axis, progressively produce an interference fit between described apparatus locking switch 9 and described apparatus 6, the contact force between described apparatus locking switch 9 and described apparatus 6 also progressively changes thereupon.After the rotating shaft 2 of described apparatus locking switch 9 rotates to desired location, described apparatus 6 is just locked in described apparatus through hole 5.
Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore do not need the space additionally reserving described apparatus locking switch 9 in use procedure, structure is compacter, and apparatus can not be caused to move up and down.Because the interference fit between described apparatus locking switch 9 and described apparatus 6 is realized in the progressively change of the height of axis by the edge 32 of described locking curved surface 3, described locking curved surface 3 is the mode that face contacts with what take between apparatus, the increase of coupling mechanism force simultaneously also progressively increases thereupon, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
The edge 32 of described locking curved surface 3 is provided with lock in place cambered surface 33, and the face of cylinder on the surface of the apparatus 6 passed through in described cambered surface 33 and described apparatus through hole 5 matches.Described lock in place cambered surface 33 is in the cambered design that both sides are high, center is low.When rotating the rotating shaft 2 of described apparatus locking switch 9, after the lock in place cambered surface 33 of described locking curved surface 3 touches the apparatus 6 in described apparatus through hole 5, along with further rotating of described rotating shaft 2, described locking switch 9 is along the apparent motion of the described apparatus 6 of lock in place cambered surface 33 continuation laminating of described locking curved surface 3.Because described location cambered surface 33 have employed cambered design, therefore, along with the carrying out of rotating, bottom 33-2 from the end 33-1 of the arc of described location cambered surface 33 to arc, interference fit degree between described locking curved surface 3 and described apparatus 6 can alleviate thereupon, therefore, the contact force between described apparatus locking switch 9 and described apparatus 6 can decrease.So, in use procedure, when described rotating shaft 2 rotate to described lock in place cambered surface 33 contact with described apparatus 6 time, along with being rotated further of described rotating shaft 2, user can feel the process that power reduces.The design of described lock in place cambered surface 33, person easy to use can judge that whether described locking switch 9 is locked and puts in place.
Further, the central axis of described rotating shaft 2 is in the centrage of described apparatus through hole 5.The centrage of described rotating shaft 2 and the centrage of described apparatus through hole 5 are the locking that the relation of non-flat line can realize between described apparatus locking switch 9 and described apparatus 6, when the central axis of described rotating shaft 2 is when the centrage of described apparatus through hole 5, the locking effect between described apparatus locking switch 9 and described apparatus 6 is best.
This utility model is also containing perforator, and described perforator 100 is containing apparatus locking switch 9 described in claim 1.
The apparatus locking switch 9 of this utility model is containing described handle 1, described rotating shaft 2, described locking curved surface 3, described housing 4 and described apparatus through hole 5.The center 31 of described locking curved surface 3 is low, edge 32 is high, along with the rotation of described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the height of the axis of described rotating shaft 2, progressively produce interference fit between the locking curved surface 3 of described apparatus locking switch 9 and described apparatus 6, described apparatus 6 is locked in described apparatus through hole 5.Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore do not need the space additionally reserving described apparatus locking switch 9 in use procedure, structure is compacter, and apparatus can not be caused to move up and down.The perforator 100 of the apparatus locking switch 9 of this utility model is used to have convenient, the reliable advantage of apparatus locking.
Accompanying drawing explanation
Fig. 1 is the structural representation of the apparatus locking switch of this utility model.
Fig. 2 is the rotating shaft perspective view of the apparatus locking switch of this utility model.
Fig. 2-1 is the top view of Fig. 2
The A-A sectional view of Fig. 2-1 of Fig. 2-2.
Fig. 3 is the structural representation of the perforator of this utility model.
Fig. 4 is the partial exploded view of Fig. 3.
In above-mentioned figure:
100 is the perforator of this utility model, and 101 is puncturing lever, and 102 is sheath pipe.
1 is handle, and 2 for rotating shaft, and 3 is locking curved surface, and 4 is housing, and 5 is apparatus through hole, and 6 is apparatus, and 9 is the apparatus locking switch of this utility model.
21 is the detent in rotating shaft; 31 for locking the center of curved surface, and 32 is the edge locking curved surface, and 33 is lock in place cambered surface; 41 is upper cover, and 42 is lower cover, and 43 is rotating shaft installing hole, and 44 is rotating shaft locating piece.
Detailed description of the invention
Embodiment 1: the apparatus locking switch of this utility model
With reference to figure 1, the apparatus locking switch of this utility model is containing handle 1, rotating shaft 2, locking curved surface 3, housing 4 and apparatus through hole 5.
Described handle 1 is located at the near-end of described rotating shaft 2, is exposed to outside housing 4.
Described locking curved surface 3 is located at the far-end of described rotating shaft 2; The center 31 of described locking curved surface 3 is low, and edge 32 is high, is tilted glossily to described edge 32 by described center 31; Along with the rotation of described rotating shaft 2, the edge 32 of described locking curved surface 3 progressively changes at the height of the axis of described rotating shaft 2.
Described rotating shaft 2 is containing detent 21.Described housing 4 is containing upper cover 41, lower cover 42, rotating shaft installing hole 43 and rotating shaft locating piece 44.Described rotating shaft 2 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21, on the upper cover 41 that described rotating shaft 2, described rotating shaft locating piece 44 are arranged on housing 4 and lower cover 42.
The central axis of described rotating shaft 2 is in the centrage of described apparatus through hole 5.
Be arranged in rotating shaft installing hole 43 by the rotating shaft 2 of described apparatus locking switch 9, described rotating shaft locating piece 44 is embedded in detent 21, closes up upper cover 41 and the lower cover 42 of described housing 4, can complete the assembling of described apparatus locking switch 9.After described apparatus locking switch 9 is assembled, the rotating shaft 2 of described apparatus locking switch 9 is placed in enable possition, described apparatus 6 is inserted in described apparatus through hole 5, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of the height of axis, progressively produce an interference fit between described apparatus locking switch 9 and described apparatus 6, the contact force between described apparatus locking switch 9 and described apparatus 6 also progressively changes thereupon.After the rotating shaft 2 of described apparatus locking switch 9 rotates to the position of pass, described apparatus 6 is just locked in described apparatus through hole 5.
Due to described apparatus locking switch 9 take be along axis rotate lock mode, therefore do not need the space additionally reserving described apparatus locking switch 9 in use procedure, structure is compacter, and apparatus can not be caused to move up and down.And due to the interference fit between described apparatus locking switch 9 and described apparatus 6 be realized in the progressively change of the height of axis by the edge 32 of described locking curved surface 3, described locking curved surface 3 is the mode that face contacts with what take between apparatus, the increase of coupling mechanism force simultaneously also progressively increases thereupon, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
Embodiment 2: the apparatus locking switch containing lock in place cambered surface of this utility model
With reference to figure 1, Fig. 2 to Fig. 2-2, the difference of the present embodiment and embodiment 1 is, lock curved surface 3 described in the present embodiment and be provided with lock in place cambered surface 33, the face of cylinder on the surface of the apparatus 6 passed through in described lock in place cambered surface 33 and described apparatus through hole 5 matches.
Described lock in place cambered surface 33 is in the cambered design that both sides are high, center is low.
After assembling described apparatus locking switch 9, when rotating the rotating shaft 2 of described apparatus locking switch 9, after the lock in place cambered surface 33 of described locking curved surface 3 touches the apparatus 6 in described apparatus through hole 5, along with further rotating of described rotating shaft 2, described locking switch 9 is along the apparent motion of the described apparatus 6 of lock in place cambered surface 33 continuation laminating of described locking curved surface 3.Because described location cambered surface 33 have employed cambered design, therefore, along with the carrying out of rotating, bottom 33-2 from the end 33-1 of the arc of described location cambered surface 33 to arc, interference fit degree between described locking curved surface 3 and described apparatus 6 can alleviate thereupon, therefore, the contact force between described apparatus locking switch 9 and described apparatus 6 can decrease.So, in use procedure, when described rotating shaft 2 rotate to described lock in place cambered surface 33 contact with described apparatus 6 time, along with being rotated further of described rotating shaft 2, user can feel the process that an obvious power reduces.The design of described lock in place cambered surface 33, person easy to use can determine whether described locking switch 9 locks and puts in place.
Embodiment 3: the perforator of this utility model
The perforator 100 of this utility model is containing the apparatus locking switch 9 described in claim 1.
With reference to figure 3 to Fig. 4, in the present embodiment, described perforator 100 is containing the apparatus locking switch 9 described in embodiment 1.Described perforator 100 is made up of puncturing lever 101 and sheath pipe 102, and described puncturing lever 101 is inserted in described sheath pipe 102.Apparatus locking switch 9 according to claim 1 is arranged on the housing 4 on the top of described puncturing lever 101.
The rotating shaft 2 of the apparatus locking switch 9 of described perforator 100 is arranged in rotating shaft installing hole 43, and described rotating shaft locating piece 44 is embedded in detent 21.Close up upper cover 41 and the lower cover 42 of the housing 4 of described apparatus locking switch 9, complete the assembling of described apparatus locking switch 9.The rotating shaft 2 of described apparatus locking switch 9 is placed in enable possition, described apparatus 6 is inserted in described apparatus through hole 5, as endoscope, rotate described rotating shaft 2, along with the edge 32 of described locking curved surface 3 is in the progressively change of the height of axis, progressively produce interference fit between described apparatus locking switch 9 and described apparatus 6, the active force between described apparatus locking switch 9 and described apparatus 6 also progressively changes thereupon.After the rotating shaft 2 of described apparatus locking switch 9 rotates to the position of pass, described apparatus 6 is just locked in described apparatus through hole 5.
What the apparatus locking switch 9 due to the perforator of this utility model was taked is the lock mode rotated along axis, therefore the space additionally reserving described apparatus locking switch 9 is not needed in use procedure, structure is compacter, and close or when opening described apparatus locking switch 9, moving up and down of apparatus 6 can not be caused.Because the interference fit between described apparatus locking switch 9 and described apparatus 6 is realized in the progressively change of the height of axis by the edge 32 of described locking curved surface 3, described locking curved surface 3 is the mode that face contacts with what take between apparatus, the increase of coupling mechanism force simultaneously also progressively increases thereupon, the increase of coupling mechanism force is more mild, therefore, the stress of more difficult formation work process is concentrated, safer.
It should be noted that the open structure with illustrating can replace by the structure that other effect is identical herein, the embodiment that this utility model is introduced simultaneously not realizes exclusive architecture of the present utility model.Although preferred embodiments of the present utility model is introduced in this article and is illustrated; but those skilled in the art know and know that these embodiments are only illustrate; those skilled in the art can make countless changes, improvement and replacement; and this utility model can not be departed from; therefore, protection domain of the present utility model should be limited according to the spirit and scope of this utility model appending claims.
Claims (4)
1. apparatus locking switch, is characterized in that: described apparatus locking switch (9) is containing handle (1), rotating shaft (2), locking curved surface (3), housing (4), apparatus through hole (5);
A. described locking curved surface (3) is located at the far-end of described rotating shaft (2); The center (31) of described locking curved surface (3) is low, and edge (32) are high, tilted glossily to described edge (32) by described center (31); Along with the rotation of described rotating shaft (2), the edge (32) of described locking curved surface (3) progressively changes at the height of the axis of described rotating shaft (2);
B. described rotating shaft (2) is containing detent (21); Described housing (4) is containing upper cover (41), lower cover (42), rotating shaft installing hole (43) and rotating shaft locating piece (44); Described rotating shaft (2) is arranged in described rotating shaft installing hole (43), and described rotating shaft locating piece (44) is embedded in detent (21); On the upper cover (41) that described rotating shaft (2), described rotating shaft locating piece (44) are arranged on housing (4) and lower cover (42);
C. the centrage of described rotating shaft (2) and the centrage of described apparatus through hole (5) are non-flat line;
D. described handle (1) is located at the near-end of described rotating shaft (2), is exposed to outside housing 4.
2. apparatus locking switch according to claim 1, it is characterized in that: the edge (32) of described locking curved surface (3) is provided with lock in place cambered surface (33), the face of cylinder on the surface of the apparatus (6) passed through in described cambered surface (33) and described apparatus through hole (5) matches.
3. apparatus locking switch according to claim 1, is characterized in that: the central axis of described rotating shaft (2) is in the centrage of described apparatus through hole (5).
4. perforator, is characterized in that described perforator (100) is containing apparatus locking switch (9) described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830091.7U CN204351795U (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830091.7U CN204351795U (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204351795U true CN204351795U (en) | 2015-05-27 |
Family
ID=53253296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420830091.7U Withdrawn - After Issue CN204351795U (en) | 2014-12-23 | 2014-12-23 | Apparatus locking switch and perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204351795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769113A (en) * | 2014-12-23 | 2016-07-20 | 广州迪克医疗器械有限公司 | Instrument locking switch and trocar |
-
2014
- 2014-12-23 CN CN201420830091.7U patent/CN204351795U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105769113A (en) * | 2014-12-23 | 2016-07-20 | 广州迪克医疗器械有限公司 | Instrument locking switch and trocar |
| CN105769113B (en) * | 2014-12-23 | 2017-08-29 | 广州迪克医疗器械有限公司 | Apparatus locking switch and puncture outfit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150527 Effective date of abandoning: 20170829 |
|
| AV01 | Patent right actively abandoned |