CN209012243U - A kind of lock - Google Patents

Abstract

The utility model discloses a kind of locks, comprising: lock connector includes circle nested structure and retaining ring；Retaining ring is provided in the middle part of the lateral surface of circle nested structure；Conical surface notch is arranged in the inner wall of one end of circle nested structure；Elastic bail wire includes sleeve, annular back-off part and lug boss；One end of sleeve is provided with annular back-off part by opening, and the other end in set portion is provided with lug boss；Lug boss towards lock connector application of a surface in conical surface notch；Pole clamping nut hoop is in elastic bail wire and lock connector；One end backwards to lock connector of pole clamping nut is provided with annular collar, and the inner wall of annular collar fits in lug boss；Annular back-off part inlay card is in annular collar；Ring clamp nut is placed on round nested structure, and ring clamp nut is located at retaining ring backwards to the side of pole clamping nut.The utility model realizes fixation and disassembly to ring component by loose collar clamp nut.

Description

A kind of lock

Technical field

The utility model relates to the technical fields of Ilizarov exterior fixing rack more particularly to a kind of technology of lock to lead Domain.

Background technique

(Russian orthopedist Yi Lizha love has developed multipurpose 40~fifties of 19th century to existing Ilizarov Annular exter-nal fixer) ring component 2 ' in exterior fixing rack is generally fixed on smooth rod unit 4 ' using hold assembly 3 '； But needed in operation at present at least 3 smooth rod units 4 ' by after the hold assembly 3 ' that is connected with ring component 2 ', It is connected and fixed to form space frame structure 1 ' with ring component 2 ' more than at least three again, and each ring component 2 ' can as needed It is attached with smooth rod unit 4 ' fixed or is swimmingly moved along rod unit 4 ' very conveniently.Due to the folder of current bracket It holds component 3 ' and is fixed on ring component 2 ' by setting threaded component 31 ' and nut structure 32 ', the two cooperation；Hold assembly 3 ' It is fixed with the angle of ring component 2 ', and hold assembly 3 ' has certain length；Therefore, more smooth rod units 4 ' pass through 3 or more ring components 2 ' can become extremely difficult, i.e., or can be time-consuming and laborious in operation installation process.Furthermore postoperative this vertical Body frame structure can be coupled with sizable load for being inserted into shin bone, therefore some deformation can more or less occur, this will lead Cause the mobile difficulty of postoperative ring component 2 '.In addition, the common fixation of clamp structure 3 ' is not secured enough, it is easy after multiple elastic operation Failure.

In addition, another ring component in the prior art generally uses hold assembly to clamp or use non-dismountable mode It is fixed on pole；But fixed again after needing ring component to slide certain distance daily in application scenarios at present, causing can not The fixation of disassembly mode can not use, and common clamp structure is easy to slide, and lead to fixed failure；Therefore one is now designed Kind lock.

Utility model content

In view of the above deficiencies, the purpose of the utility model is to provide a kind of lock, the utility model and ring are enabled to Component and pole are to be detachably connected with；And after being installed, guarantee that the utility model has with what ring component and pole were fixed Effect property.

In order to achieve the above object, the utility model uses following technical scheme:

A kind of lock, wherein include:

Lock connector, the lock connector are placed on pole；The lock connector includes being equipped with externally threaded circle Nested structure and retaining ring；The retaining ring is provided in the middle part of the lateral surface of the round nested structure；One end of the round nested structure it is interior Conical surface notch is arranged in wall；

One end of elastic bail wire, the elasticity bail wire is set in the lock connector, and the elastic card Tightly it is located on the pole；The elasticity bail wire includes sleeve, annular back-off part and lug boss；One end of the sleeve The lateral surface of opening is provided with annular back-off part, the lateral surface of the other end in the set portion is provided with section as ladder The lug boss of shape；The lug boss towards the lock connector application of a surface in the conical surface notch；

Pole clamping nut, the pole clamping nut hoop is in the elastic bail wire and the lock connector；It is described One end backwards to the lock connector of pole clamping nut is provided with annular collar, and the inner wall of the annular collar fits in Curved surface of the lug boss backwards to the lock connector；The annular back-off part inlay card is in the inner edge of the annular collar

Ring clamp nut, the internal screw thread of the ring clamp nut are threadedly connected to the external screw thread of the round nested structure, and The ring clamp nut is located at the retaining ring backwards to the side of the pole clamping nut.

Above-mentioned a kind of lock, wherein a main joint-cutting, the elastic card is arranged in the side of the outer wall of the elasticity bail wire The secondary joint-cutting of other side setting one of the outer wall of tight ring；The main joint-cutting and the secondary joint-cutting by the elastic bail wire outer wall It is through to the inner wall of the elastic bail wire.

Above-mentioned a kind of lock, wherein the main joint-cutting is cut by one end of the elastic bail wire to the elastic card The other end of tight ring, the pair joint-cutting are cut by the one end for being equipped with annular back-off part to by the lug boss.

Above-mentioned a kind of lock, wherein annular back-off part and the intersection of the sleeve part form annular table Stage structure, the ring-shaped step structure inlay card is in the annular collar backwards to the inner edge of the lock connector.

Above-mentioned a kind of lock, wherein the first internal screw thread, spiral shell in described first is arranged in the inner wall of the pole clamping nut Line matches with the external screw thread.

Above-mentioned a kind of lock, wherein the ring clamp nut includes the first nut portions and annular retaining ring；First spiral shell The second internal screw thread is equipped in female portion, second internal screw thread is threadedly connected to the external screw thread；First nut portions are backwards to institute The inner wall for stating one end of lock connector is equipped with the annular retaining ring.

Above-mentioned a kind of lock a, wherein ring component, the ring portion are set between the retaining ring and the ring clamp nut Part is placed on outside the round nested structure.

With above technical scheme, can reach it is following the utility model has the advantages that

The utility model realizes fixation and disassembly to ring component by loose collar clamp nut.

The utility model realizes the fixation and disassembly to pole by elastic pole clamping nut and elastic bail wire.

Detailed description of the invention

Fig. 1 is the schematic diagram of the Ilizarov exterior fixing rack in background technique；

Fig. 2 is the schematic diagram for setting threaded component of the clamp structure in background technique；

Fig. 3 is the schematic diagram of the nut structure of the clamp structure in background technique；

Fig. 4 is a kind of explosive view of lock of the utility model；

Fig. 5 is a kind of partial sectional view of lock of the utility model；

Fig. 6 is a kind of partial sectional view after the assembly is completed of lock of the utility model.

Fig. 7 is the enlarged drawing of the A of Fig. 3.

In attached drawing: 1, lock connector；11, circle nested structure；111, conical surface notch；112, external screw thread；12, retaining ring；2, bullet Property bail wire；21, sleeve；22, annular back-off part；23, lug boss；24, main joint-cutting；25, secondary joint-cutting；3, pole clamping spiral shell It is female；31, annular collar；32, the first internal screw thread；4, ring clamp nut；41, the first nut portions；411, the second internal screw thread；42, ring Shape retaining ring；5, pole；6, ring-shaped step structure；7, ring component.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model It limits.

Fig. 1 is the schematic diagram of the Ilizarov exterior fixing rack in background technique；Fig. 2 is the clamp structure in background technique The schematic diagram for setting threaded component；Fig. 3 is the schematic diagram of the nut structure of the clamp structure in background technique；Fig. 4 is this A kind of explosive view of lock of utility model；

Fig. 5 is a kind of partial sectional view of lock of the utility model；Fig. 6 is a kind of lock of the utility model Partial sectional view after the assembly is completed.Fig. 7 is the enlarged drawing of the A of Fig. 3.

It refers to shown in Fig. 4 to Fig. 7, in a kind of preferred embodiment, a kind of lock, comprising:

Lock connector 1, lock connector 1 are placed on pole 5；Lock connector 1 includes the circle set equipped with external screw thread 112 Structure 11 and retaining ring 12；Retaining ring 12 is provided in the middle part of the lateral surface of circle nested structure 11；The inner wall of one end of circle nested structure 11 is set Set conical surface notch 111.

One end of elastic bail wire 2, elastic bail wire 2 is set in lock connector 1, and elastic bail wire 2 is placed on Pole 5；Elastic bail wire 2 includes sleeve 21, annular back-off part 22 and lug boss 23；One end of sleeve 21 by opening Lateral surface is provided with annular back-off part 22, and it is trapezoidal lug boss 23 that the lateral surface of the other end in set portion 21, which is provided with section,； Lug boss 23 towards lock connector 1 application of a surface in conical surface notch 111.

Pole clamping nut 3, pole clamping nut 3 are bound round in elastic bail wire 2 and lock connector 1；Pole clamping nut 3 One end backwards to lock connector 1 be provided with annular collar 31, the inner wall of annular collar 31 fits in lug boss 23 backwards to locking Determine the curved surface of device connector 1；Annular back-off 22 inlay card of part is in the inner edge of annular collar 31.

Ring clamp nut 4, the internal screw thread of ring clamp nut 4 are threadedly connected to the external screw thread 112 of round nested structure 11, and ring Clamp nut 4 is located at side of the retaining ring 12 backwards to pole clamping nut 3.

The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection Range.

Further, in a kind of preferred embodiment, the elastic bail wire 2 of big end direction of conical surface notch 111, conical surface notch 111 small end is towards ring clamp nut 4.

Further, in a kind of preferred embodiment, a main joint-cutting 24, elasticity is arranged in the side of the outer wall of elastic bail wire 2 The secondary joint-cutting 25 of other side setting one of the outer wall of bail wire 2；Main joint-cutting 24 and secondary joint-cutting 25 are passed through by the outer wall of elastic bail wire 2 It wears to the inner wall of elastic bail wire 2.

Further, in a kind of preferred embodiment, main joint-cutting 24 is cut by one end of elastic bail wire 2 to elastic bail wire 2 other end, secondary joint-cutting 25 is cut by the one end for being equipped with annular back-off part 22 to by lug boss 23, and 24 He of main joint-cutting Secondary joint-cutting 25 is arranged along the axis of elastic bail wire 2.

Further, in a kind of preferred embodiment, the intersection of annular back-off part 22 and sleeve 21 forms ring-shaped step Structure 6,6 inlay card of ring-shaped step structure is in annular collar 31 backwards to the inner edge of lock connector 1.

Further, in a kind of preferred embodiment, the inner wall of pole clamping nut 3 is arranged the first internal screw thread 32, in first Screw thread 32 matches with external screw thread 112.

Further, in a kind of preferred embodiment, ring clamp nut 4 includes the first nut portions 41 and annular retaining ring 42；The It is equipped with the second internal screw thread 411 in one nut portions 41, the second internal screw thread 411 is threadedly connected to external screw thread 112；First nut portions 41 back Annular retaining ring 42 is equipped with to the inner wall of one end of lock connector 1.

Specifically, annular retaining ring 42 plays position-limiting action, cylindrical structure 11 is avoided to pass through ring clamp nut 4.

Further, in a kind of preferred embodiment, a ring component 7, ring component are set between retaining ring 12 and ring clamp nut 4 7 are placed on outside round nested structure 11.

In addition to the implementation, the utility model also has following working method:

As shown in figure 3, each part is integral by the assembly of correct position.Originally, ring clamp nut 4 and pole clamping spiral shell Mother 3 should be all in unscrewing state.Ring clamp nut 4 unscrews, and lock connector 1 can be made radially to adjust in the Kong Zhongzuo of ring component 7； Pole clamping nut 3 unscrews, and lock connector 1 can be made to make on pole axially adjustable.

Position adjustment finishes, and should first screw ring clamp nut 4, utilizes the retaining ring 12 and ring clamp nut 4 of lock connector 1 The fixed ring component 7 of opposite power.

Then, then pole clamping nut 3 is screwed, under the action of screw thread axial force, pole clamping nut 3 connects with lock First 1 forces elastic bail wire 2 inwardly to tighten, to lock pole 5.

When adjusting next time, ring clamp nut 4 and pole clamping nut 3 should be unscrewed.Note that if only unscrewing pole card Tight nut 3, the locking of lock radial direction can interfere the movement of lock axial direction.

The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in It is interior.

Claims (7)

1. a kind of lock characterized by comprising

Lock connector, the lock connector are placed on pole；The lock connector includes being equipped with externally threaded round noose Structure and retaining ring；The retaining ring is provided in the middle part of the lateral surface of the round nested structure；The inner wall of one end of the round nested structure is set Set conical surface notch；

One end of elastic bail wire, the elasticity bail wire is set in the lock connector, and the elastic bail wire It is placed on the pole；The elasticity bail wire includes sleeve, annular back-off part and lug boss；One end of the sleeve by opening Lateral surface at mouthful is provided with annular back-off part, and it is trapezoidal that the lateral surface of the other end of the sleeve, which is provided with section, Lug boss；The lug boss towards the lock connector application of a surface in the conical surface notch；

Pole clamping nut, the pole clamping nut hoop is in the elastic bail wire and the lock connector；The pole One end backwards to the lock connector of clamping nut is provided with annular collar, and the inner wall of the annular collar fits in described Curved surface of the lug boss backwards to the lock connector；The annular back-off part inlay card is in the inner edge of the annular collar

Ring clamp nut, the internal screw thread of the ring clamp nut are threadedly connected to the external screw thread of the round nested structure, and described Ring clamp nut is located at the retaining ring backwards to the side of the pole clamping nut.

2. a kind of lock according to claim 1, which is characterized in that the side setting of the outer wall of the elasticity bail wire One main joint-cutting, the secondary joint-cutting of other side setting one of the outer wall of the elasticity bail wire；The main joint-cutting and the secondary joint-cutting by The outer wall of the elasticity bail wire is through to the inner wall of the elastic bail wire.

3. a kind of lock according to claim 2, which is characterized in that the main joint-cutting is by the one of the elastic bail wire End is cut to the other end of the elastic bail wire, and the pair joint-cutting is cut by the one end for being equipped with annular back-off part to leaning on At the lug boss；And the main joint-cutting and the secondary joint-cutting are arranged along the axis of elastic bail wire.

4. a kind of lock according to claim 1, which is characterized in that the phase of the annular back-off part and the sleeve Ring-shaped step structure is formed at friendship, the ring-shaped step structure inlay card is in the annular collar in the lock connector Edge.

5. a kind of lock according to claim 1, which is characterized in that the inner wall setting first of the pole clamping nut Internal screw thread, first internal screw thread match with the external screw thread.

6. a kind of lock according to claim 1, which is characterized in that the ring clamp nut include the first nut portions and Annular retaining ring；The second internal screw thread is equipped in first nut portions, second internal screw thread is threadedly connected to the external screw thread；Institute It states inner wall of first nut portions backwards to one end of the lock connector and is equipped with the annular retaining ring.

7. a kind of lock according to claim 1, which is characterized in that set between the retaining ring and the ring clamp nut A ring component is set, the ring component is placed on outside the round nested structure.