CN112843432B

CN112843432B - Anti-reverse rotation self-locking structure

Info

Publication number: CN112843432B
Application number: CN202011611351.8A
Authority: CN
Inventors: 李建文; 杨亮; 李峰
Original assignee: Shanghai Yuban Medical Technology Co ltd
Current assignee: Shanghai Yuban Medical Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-29
Anticipated expiration: 2040-12-30
Also published as: CN112843432A

Abstract

The application discloses an anti-reverse rotation self-locking structure, which comprises a fixed disc fixed on a handle mounting seat, wherein a rotating shaft is arranged on the fixed disc, a wire spool for winding a guide wire is fixed on the rotating shaft, a self-locking assembly for self-locking the wire spool is arranged on the fixed disc, the self-locking assembly is clamped and fixedly matched with the wire spool, the self-locking assembly comprises an elastic part and a self-locking disc, one end of the elastic part is connected to the fixed disc, the other end of the elastic part is connected to the self-locking disc, and one side, close to the wire spool, of the self-locking disc is provided with first teeth; and a second tooth is arranged on one side of the wire spool close to the self-locking disk, and the first tooth and the second tooth are matched with the self-locking wire spool. This application has the effect that the position that realizes the wire drawing is fixed is different.

Description

Anti-reverse rotation self-locking structure

Technical Field

The present application relates to, and more particularly, to an anti-reverse rotation self-locking structure.

Background

Currently, medical drawn wires are used in various treatments, one of which is used in the human body to establish a passage in the human body and provide a basis for other subsequent treatments.

In the prior art, a medical drawn wire needs to be stretched into different positions of human tissues, and then a related vessel is conveyed into the human tissues along the drawn wire.

The inventor believes that the magnitude of the force applied to the wire is different depending on the position where the wire is stopped, and there is no device for fixing the position where the wire is stopped in the market at present.

Disclosure of Invention

In order to realize different positions for fixing the drawn wires, the application provides an anti-reverse rotation self-locking structure.

The technical scheme is as follows: the utility model provides a prevent rotatory auto-lock structure of anti-reversion, includes the fixed disk of fixing on the handle mount pad, be provided with the rotation axis on the fixed disk, be fixed with the wire reel that the winding seal wire was used on the rotation axis, be provided with the auto-lock subassembly that is used for the auto-lock wire reel on the fixed disk, and the auto-lock subassembly is fixed solid with the wire reel and is cooperated.

As a preferred technical scheme, the self-locking assembly comprises an elastic piece and a self-locking disc, wherein one end of the elastic piece is connected to the fixed disc, and the other end of the elastic piece is connected to the self-locking disc.

As a preferable technical scheme, a first tooth is arranged on one side, close to the wire spool, of the self-locking disk;

and a second tooth is arranged on one side of the wire spool close to the self-locking disk, and the first tooth and the second tooth are matched with the self-locking wire spool.

As a preferred technical scheme, the inner wall of the fixed disk is provided with a first thread;

the rotating shaft is provided with a second thread, and the first thread is matched with the second thread to fix the rotating shaft.

As a preferred technical scheme, a limiting groove is formed in the outer ring of the wire spool.

As a preferred technical scheme, a first mounting groove is formed in the fixed disc, a second mounting groove is formed in the self-locking disc, one end of the elastic piece is located in the first mounting groove, and the other end of the elastic piece is located in the second mounting groove.

As a preferable technical scheme, an unlocking assembly for releasing the self-locking of the wire spool is arranged on the wire spool.

As a preferred technical scheme, the unlocking assembly comprises an unlocking rod, and the unlocking rod penetrates through the wire spool and abuts against the self-locking disk.

As a preferred technical scheme, a rotating bearing is arranged between the unlocking rod and the self-locking disc.

As a preferred technical scheme, the unlocking assembly further comprises an actuating rod, the actuating rod is in sliding fit with the unlocking rod, one end of the unlocking rod, which is close to the actuating rod, is an inclined surface, and one end of the actuating rod, which is close to the unlocking rod, is also an inclined surface.

Has the advantages that: 1. first, when the wire drawing winding was on the wire reel, the wire drawing produced a pulling force to the wire reel, and this pulling force makes the wire reel have the pivoted trend, and at this moment, auto-lock subassembly and wire reel cooperation prevent the wire reel rotation for the wire reel keeps static.

2. Before the wire spool is rotated, the self-locking assembly needs to be pushed away, the locking of the self-locking assembly on the wire spool is unlocked, the wire spool is rotated, and then wire drawing release and tightening are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Reference numerals: 1. fixing the disc; 10. a first mounting groove; 11. a first thread; 2. a self-locking assembly; 21. an elastic member; 22. A self-locking disc; 220. a second mounting groove; 221. a first tooth; 3. a wire spool; 30. a limiting groove; 31. a second tooth; 4. a rotating shaft; 41. a second thread; 5. an unlocking assembly; 51. an unlocking lever; 52. a rotating bearing; 53. a lever is actuated.

Detailed Description

The disclosure of the present application may be understood more readily by reference to the following detailed description of preferred embodiments of the application and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In case of conflict, the present specification, including definitions, will control.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a prevent rotatory auto-lock structure of anti-reversion, including fixing fixed disk 1 on the handle mount pad, rotate on the fixed disk 1 and be connected with rotation axis 4, rotation axis 4 is the cylinder, has wire reel 3 that the winding seal wire was used through welded fastening on the rotation axis 4, and the cross section of wire reel 3 is original shape, is provided with auto-lock subassembly 2 that is used for auto-lock wire reel 3 on the fixed disk 1, and auto-lock subassembly 2 and the solid cooperation of card of wire reel 3. Because receive the pulling force of wire drawing on the wire reel 3, the wire reel 3 receives the reverse acting force of coming from auto-lock subassembly 2 to its production for wire reel 3 keeps quiescent condition, realizes that wire reel 3 keeps the auto-lock state.

The self-locking assembly 2 comprises an elastic part 21 and a self-locking disc 22, the elastic part 21 is a spring or an elastic sheet, one end of the elastic part 21 is connected to the fixed disc 1, the self-locking disc 22 is circular, and the other end of the elastic part is connected to the self-locking disc 22.

The fixed disc 1 is provided with a first mounting groove 10, and the first mounting groove 10 is a circular groove; the self-locking disc 22 is provided with a second mounting groove 220, and the second mounting groove 220 is a circular groove; the elastic member 21 has one end fixed to the inner wall of the first mounting groove 10 by welding and the other end fixed to the inner wall of the second mounting groove 220 by welding.

A first tooth 221 is arranged on one side of the self-locking disc 22 close to the wire spool 3; a second tooth 32 is arranged on one side of the wire spool 3 close to the self-locking disk 22, and the first tooth 221 and the second tooth 32 are matched with the self-locking wire spool 3.

The inner wall of the fixed disc 1 is provided with a first thread 11; the rotating shaft 4 is provided with a second screw thread 42, and the first screw thread 11 is engaged with the second screw thread 42 to fix the rotating shaft 4.

The limiting groove 30 is formed in the outer ring of the wire spool 3, the limiting groove 30 is a U-shaped groove, and the limiting groove 30 is used for limiting wire drawing and preventing the wire drawing from moving out of the limiting groove 30.

An unlocking component 5 for releasing the self-locking of the wire spool 3 is arranged on the wire spool 3; the unlocking assembly 5 includes an unlocking lever 51 and an actuating lever 53; the unlocking rod 51 penetrates through the wire spool 3 and abuts against the self-locking disk 22, the starting rod 53 is in sliding fit with the unlocking rod 51, one end, close to the starting rod 53, of the unlocking rod 51 is an inclined surface, one end, close to the unlocking rod 51, of the starting rod 53 is also an inclined surface, and the inclined surface on the starting rod 53 is opposite to the inclined surface on the unlocking rod 51. When the unlocking rod 51 is pressed, the unlocking rod 51 pushes the starting rod 53 to move towards one side of the self-locking disc 22, and the unlocking rod 51 abuts against the self-locking disc 22, so that the self-locking disc 22 is separated from the wire spool 3.

A rotating bearing 52 is arranged between the unlocking rod 51 and the self-locking disc 22, so that the unlocking rod 51 rotates relative to the self-locking disc 22.

The foregoing examples are merely illustrative and serve to explain some of the features of the methods described herein. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the present application. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.

Claims

1. The utility model provides a prevent rotatory auto-lock structure of reversal which characterized in that: the wire winding device comprises a fixed disc (1) fixed on a handle mounting seat, wherein a rotating shaft (4) is arranged on the fixed disc (1), a wire winding disc (3) for winding a guide wire is fixed on the rotating shaft (4), a self-locking assembly (2) for self-locking the wire winding disc (3) is arranged on the fixed disc (1), and the self-locking assembly (2) is clamped and matched with the wire winding disc (3);

the self-locking assembly (2) comprises an elastic piece (21) and a self-locking disc (22), one end of the elastic piece (21) is connected to the fixed disc (1), and the other end of the elastic piece (21) is connected to the self-locking disc (22);

an unlocking assembly (5) for releasing the self-locking of the wire spool (3) is arranged on the wire spool (3); the unlocking assembly (5) comprises an unlocking rod (51), and the unlocking rod (51) penetrates through the wire spool (3) and is abutted against the self-locking disk (22); a rotating bearing (52) is arranged between the unlocking rod (51) and the self-locking disc (22); the unlocking assembly (5) further comprises an actuating rod (53), the actuating rod (53) is in sliding fit with the unlocking rod (51), one end, close to the actuating rod (53), of the unlocking rod (51) is an inclined surface, and one end, close to the unlocking rod (51), of the actuating rod (53) is also an inclined surface.

2. An anti-reverse rotation self-locking structure according to claim 1, characterized in that: a first tooth (221) is arranged on one side, close to the wire spool (3), of the self-locking disc (22);

one side of the wire spool (3) close to the self-locking disk (22) is provided with a second tooth (32), and the first tooth (221) and the second tooth (32) are matched with the self-locking wire spool (3).

3. An anti-reverse rotation self-locking structure according to claim 2, characterized in that: the inner wall of the fixed disc (1) is provided with a first thread (11);

the rotating shaft (4) is provided with a second thread (42), and the first thread (11) is matched with the second thread (42) to fix the rotating shaft (4).

4. An anti-reverse rotation self-locking structure according to claim 1, characterized in that: and the outer ring of the wire spool (3) is provided with a limiting groove (30).

5. An anti-reverse rotation self-locking structure according to claim 1, characterized in that: first mounting groove (10) have been seted up on fixed disk (1), second mounting groove (220) have been seted up on from lock dish (22), elastic component (21) one end is located first mounting groove (10), and the other end is located second mounting groove (220).