CN202100080U

CN202100080U - Locking device capable of realizing coaxial displacement

Info

Publication number: CN202100080U
Application number: CN2011201448002U
Authority: CN
Inventors: 罗士中
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-06
Filing date: 2011-05-06
Publication date: 2012-01-04
Anticipated expiration: 2021-05-06

Abstract

The utility model relates to a locking device capable of realizing coaxial displacement, which comprises a lock cylinder, a locking element, an elastic element and a lock body. The lock body is provided with a locked element mounting hole and a lock cylinder mounting hole which are communicated to each other, the lower end of the lock cylinder and the upper end of the locking element are linked in a socketed manner so that the lock cylinder and the locking element share the same central axis, the locking element is reset by the aid of the elastic element, and both the lock cylinder and the locking element are arranged in the lock cylinder mounting hole of the lock body. The locking device is provided with a limiting structure for preventing the locking element rotating and an axial displacement driving structure, the axial displacement driving structure drives the locking element to realize axial displacement by the means of rotation of the lock cylinder around the central axis and by the aid of the limiting structure, and accordingly the locking element is locked with or separated from the locked element. By the aid of the locking device, the shape of the lock body can be simplified and the size of the lock body can be reduced. Accordingly, the locking device has the advantages of small size, simple structure, low cost and the like.

Description

The locking system of coaxial line unusual fluctuation

[technical field]

The utility model relates to lockset, particularly relates to the lock that has tumbler, and the locking element that especially relates to lock core rotation and drive axis concentricity with it is made straight-line lockset, i.e. the lockset of coaxial line unusual fluctuation, and this lockset can be used as automobile anti-theft lock.

[background technology]

The applicant has applied for a on October 5th, 1999, application number 99246122.7, notice of authorization CN 2391970Y; Name is called the Chinese utility model patent of " a kind of locking system "; This patent discloses makes eccentric cam with the lock core tail end, through the said lock core of key turns, drives said cam eccentric rotary and comes the drive bolt tongue (also to claim locking element; Or title dead bolt) move, the said central axis that is moved the door bolt tongue of this structure must be vertical with the central axis of said lock core or crossing.The weak point of this prior art locking system is; On lock body, must process the lock core and door bolt tongue installing hole that intersect vertically, take more lock body space and made its volume big, complex-shaped; The openend of fastening the tongue installing hole sometimes with a bolt or latch also must be provided with the plug sealing in addition, has also correspondingly increased cost of production.

[utility model content]

The technical problem that the utility model will solve is to avoid the weak point of above-mentioned prior art and locking system that a kind of coaxial line unusual fluctuation is provided; This locking system can be simplified the shape of lock body and the size of dwindling lock body, has little, the simple in structure and low cost and other advantages of volume; The said locking system of the utility model can be applicable to lockset inside, is particularly useful for automobile anti-theft lock and similar multiple lockset.

The technical scheme that the utility model solve the technical problem employing is:

A kind of locking system of coaxial line unusual fluctuation comprises lock core, locking element, flexible member, key and lock body; Said lock body is provided with by locking element installing hole and lock core mounting hole; Said lock core lower end is connected through the socket joint suit with the locking element upper end; Make it to have same central axis; Said lock core and locking element are arranged in the lock core mounting hole of said lock body together, and said lock core can rotate in the lock core mounting hole of the said lock body that matches; By said key said lock core is rotated around said central axis, and said locking element is resetted by said flexible member; Lock core mounting hole on the said lock body and be connected by the locking element installing hole; Said locking system is provided with the position limiting structure that stops that said locking element rotates; Said locking system also is provided with the axial displacement Drive Structure of locking element; This axial displacement Drive Structure is by the rotation of said lock core around said central axis; And said position limiting structure stops that this locking element rotates; Drive said locking element and do the axial line displacement, thereby make said locking element and pinned by locking element or separate.

The locking system of said coaxial line unusual fluctuation also comprises the tapered end shell, and this tapered end shell is provided with the through hole with said lock core coupling; Said lock core is rotatably installed in the through hole of said tapered end shell, and said tapered end shell is arranged in the lock core mounting hole of said lock body again.

Said axial displacement Drive Structure is a kind of cam mechanism, and this cam mechanism stops that around the rotation and the said position limiting structure of said central axis said locking element rotates, and drives said locking element and does the axial line displacement by said lock core.

The locking system of said coaxial line unusual fluctuation also comprises first bearing pin; The tubular cylinder cam is arranged in said lock core lower end, comprises that the window that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly is provided with central axial bore with its lower surface, and this window and central axial bore connect; Said locking element upper end is arranged to be the cylinder that is slidingly matched with the central axial bore of said lock core lower end, and its cylindrical outer surface is provided with radial hole; Said flexible member is installed in the bottom of the central axial bore of said lock core; Said locking element upper end is positioned at the central axial bore of said lock core, and its end contacts with said flexible member; The inner termination of said first bearing pin is passed through and is fixed in the radial hole of said locking element from the window of said lock core; By the cylinder of the central axial bore of said lock core and locking element upper end, said lock core lower end has just formed the socket joint suit with the locking element upper end and has been connected, the while by said first bearing pin with said lock core with locking element is binding is engaged togather; Window, the flexible member of the lead angle curved grooves of said lock core and first bearing pin that is fixed on the said locking element have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to form driving force by said lock core around the rotation of said central axis; And stop that by said position limiting structure said locking element rotates, and drives said locking element and does the axial line displacement.

Or the locking system of said coaxial line unusual fluctuation also comprises first bearing pin; Said lock core lower end is a cylinder, and its cylindrical outer surface is provided with radial hole; Said locking element upper end also is a cylinder; The window that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly is provided with the center axial blind hole with its upper surface; This window and center axial blind hole connect, and said center axial blind hole and said lock core lower end are and are slidingly matched; Said flexible member is installed among the said locking element axle to the bottom of blind hole; Axle was to blind hole among said lock core lower end was positioned at said locking element, and its end contacts with said flexible member; The said first bearing pin inner termination is passed through and is fixed in the radial hole of said lock core from the window of said locking element; By the cylinder of said lock core lower end and the center axial blind hole of locking element upper end; Said lock core lower end has just formed the socket joint suit with locking element upper end and has been connected, the while by said first bearing pin with said lock core with locking element is binding is engaged togather; Window, the flexible member of the lead angle curved grooves of said locking element and first bearing pin that is fixed on the said lock core have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to form driving force by said lock core around the rotation of said central axis; And stop that by said position limiting structure said locking element rotates, and drives said locking element and does the axial line displacement.

Or the locking system of said coaxial line unusual fluctuation also comprises first bearing pin; Said lock core lower end is a cylinder; The window that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly is provided with the central axial bore adaptive with said flexible member with its lower surface, can the depth design of this central axial bore be become to be less than or equal to the shortest length after said flexible member is compressed; Said locking element upper end also be a cylinder, and its upper surface inwardly is provided with the center axial blind hole and cylindrical outer surface is provided with the radial hole that connects with this center axial blind hole, and center axial blind hole on the said locking element and said lock core lower end are and are slidingly matched; Said flexible member be installed in the central axial bore of said lock core and among said lock core lower end is positioned at said locking element axle to blind hole; Axle contacts to the bottom of blind hole among one end of this flexible member and the said locking element, and its other end contacts with the bottom of the central axial bore of said lock core; The said first bearing pin external end head is fixed in the radial hole of said locking element, and its inner termination is positioned at the window of said lock core; By the cylinder of said lock core lower end and the center axial blind hole of locking element upper end; Said lock core lower end has just formed the socket joint suit with locking element upper end and has been connected, the while by said first bearing pin with said lock core with locking element is binding is engaged togather; Window, the flexible member of the lead angle curved grooves of said lock core and first bearing pin that is fixed on the said locking element have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to form driving force by said lock core around the rotation of said central axis; And stop that by said position limiting structure said locking element rotates, and drives said locking element and does the axial line displacement.

Or; The locking system of said coaxial line unusual fluctuation also comprises first bearing pin and tubular cylinder cam; This tubular cylinder cam comprises and is provided with the window that center axially extending bore and cylindrical outer surface inwardly are provided with the lead angle curved grooves that this window and center axially extending bore connect; Said lock core lower end is a cylinder, and its cylindrical outer surface is provided with radial hole, and the center axially extending bore of said lock core lower end and said tubular cylinder cam is and is slidingly matched; Said locking element upper end also is a cylinder, and its upper surface inwardly is provided with the center axial blind hole; Said lock core lower end is positioned at the center axially extending bore of said tubular cylinder cam; The said first bearing pin inner termination is fixed in the radial hole of said lock core, and its external end head is positioned at the window of said tubular cylinder cam, and concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam; Said flexible member is installed in the bottom of axle in blind hole among the said locking element; Axle was in blind hole among said tubular cylinder cam was fixed on said locking element, and said lock core lower surface contacts with said flexible member; By the center axial blind hole on cylinder, tubular cylinder cam and the locking element of said lock core lower end; Said lock core lower end has just formed the socket joint suit with locking element upper end and has been connected, the while by said first bearing pin with said lock core with locking element is binding is engaged togather; Be fixed on window, the flexible member of the lead angle curved grooves of the said tubular cylinder cam of axle in blind hole among the said locking element and first bearing pin that is fixed on the said lock core and just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to form driving force by said lock core around the rotation of said central axis; And stop that by said position limiting structure said locking element rotates, and drives said locking element and does the axial line displacement.

The external end head of said first bearing pin exceeds the cylindrical outer surface of said lock core lower end and forms protruding stake; The sidewall of the lock core mounting hole of said lock body is provided with the first axial limiting elongated slot, and the width dimensions of this first axial limiting elongated slot is more bigger than the said first bearing pin external end head maximum size; After said lock core and locking element are arranged in the lock core mounting hole of said lock body; The external end head of said first bearing pin just is positioned at the axial limiting elongated slot of said lock body; Can in this first axial limiting elongated slot, move back and forth, thereby said locking element can not be rotated, can only move back and forth; The first axial limiting elongated slot of the lock core mounting hole of said lock body has just constituted the position limiting structure that stops that said locking element rotates with first bearing pin that exceeds said lock core lower end cylindrical outer surface.

Or the locking system of said coaxial line unusual fluctuation also comprises the lock pipe that is provided with by the locking element installing hole, said lock Guan Yiduan be positioned at said lock body by the locking element installing hole; Said locking element lower end is provided with at least one radially concave plane; Said lock pipe and the corresponding tube wall of said locking element are provided with said locking element lower end and are the radially irregularly-shaped hole that is slidingly matched, and said locking element lower end radially can not be rotated under the restriction of irregularly-shaped hole at this, can only move; The radially irregularly-shaped hole of said lock pipe and said locking element lower end at least one radially the on-circular cross-section structure of concave plane just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the locking system of said coaxial line unusual fluctuation also comprises profile gasket; Said locking element lower end is provided with at least one radially concave plane; Said profile gasket is provided with said locking element lower end and is the axial irregularly-shaped hole that is slidingly matched, and its external diameter surface is provided with lug; The sidewall of the lock core mounting hole of said lock body is provided with the second axial limiting elongated slot, and the width dimensions of this second axial limiting elongated slot is more bigger than the lug maximum size of said profile gasket; The axial irregularly-shaped hole of said profile gasket is enclosed within said locking element lower end; After said lock core, locking element and profile gasket are arranged in the lock core mounting hole of said lock body together; Said profile gasket is positioned at the lock core mounting hole bottom; Lug on it just is positioned at the second axial limiting elongated slot of said lock body, and said locking element can not be rotated, and can only move; Said profile gasket, said locking element lower end at least one radially the second axial limiting elongated slot of the lock core mounting hole of on-circular cross-section structure and the said lock body of concave plane just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the locking system of said coaxial line unusual fluctuation also comprises the lock pipe that is provided with by the locking element installing hole, said lock Guan Yiduan be positioned at said lock body by the locking element installing hole; Said locking element lower end is a flat bar; Said lock pipe and the corresponding tube wall of said locking element are provided with said locking element lower end and are the radially irregularly-shaped hole that is slidingly matched, and said locking element lower end radially can not be rotated under the restriction of irregularly-shaped hole at this, can only move; The structure of the radially irregularly-shaped hole of said lock pipe and said locking element lower end flat bar has just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the external diameter surface of said locking element is provided with projection; The sidewall of the lock core mounting hole of said lock body is provided with the 3rd axial limiting elongated slot, and the width dimensions of the 3rd axial limiting elongated slot is more bigger than the projection maximum size of said locking element; After said lock core and locking element are arranged in the lock core mounting hole of said lock body; The projection of said locking element just is positioned at the 3rd axial limiting elongated slot of said lock body; And can in the 3rd axial limiting elongated slot, move back and forth, thereby said locking element can not be rotated, can only move; The 3rd axial limiting elongated slot of the projection of said locking element and said lock body has just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or said locking element lower end is provided with at least one radially concave plane; The lock core mounting hole bottom of said lock body is provided with said locking element lower end and is the axial irregularly-shaped hole that is slidingly matched, and said locking element lower end can not be rotated under the restriction of this axial irregularly-shaped hole, can only move; The axial irregularly-shaped hole of the lock core mounting hole of said lock body bottom and said locking element lower end at least one radially the on-circular cross-section structure of concave plane just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the locking system of said coaxial line unusual fluctuation also comprises second bearing pin and tapered end shell, and this tapered end shell is provided with the through hole with said lock core coupling; Said locking element lower end external surface is provided with an axial limiting groove; Length after the length of said tapered end shell is slightly less than said lock core and locking element is connected, said tapered end shell lower end external surface is provided with the radial hole that connects with through hole; Said first bearing pin is engaged togather said lock core, locking element and flexible member and is fitted into the through hole of said tapered end shell; Said lock core can rotate in the through hole of said tapered end shell; The external end head of said second bearing pin is fixed in the radial hole of said tapered end shell; And it is concordant or lower slightly with the external surface of said tapered end shell; Its inner termination is positioned at the axial limiting groove of said locking element lower end, and said locking element lower end can not be rotated under the common restriction of this second bearing pin and axial limiting groove, can only move; Said tapered end shell is arranged in the lock core mounting hole of said lock body.The axial limiting groove of the radial hole of said second bearing pin, tapered end shell and said locking element lower end has just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the locking system of said coaxial line unusual fluctuation also comprises the tapered end shell, and this tapered end shell is provided with the through hole with said lock core coupling; Said locking element external surface is provided with protruding stake; Length after the length of said tapered end shell is slightly less than said lock core and locking element is connected, said tapered end shell lower end external surface is provided with the radially stopper slot that is connected with through hole; Said lock core, locking element, flexible member and first bearing pin are positioned at the through hole of said tapered end shell; Said lock core can rotate in the through hole of said tapered end shell; The protruding stake of said locking element lower end just is arranged in the radially stopper slot of said tapered end shell lower end; Said locking element can not be rotated, can only move; Said tapered end shell is arranged in the lock core mounting hole of said lock body.The protruding stake of the radially stopper slot of said tapered end shell and locking element lower end has just constituted the position limiting structure that stops that said locking element rotates.This moment, the external end head of then said first bearing pin was concordant or lower slightly with the external cylindrical surface of said lock core lower end if the external end head of said first bearing pin is positioned at the window of said lock core lower end; If the external end head of said first bearing pin is positioned at the window of said locking element upper end, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said locking element upper end; If the external end head of said first bearing pin is positioned at the window of said tubular cylinder cam, the external end head of then said first bearing pin is concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam.

Or the locking system of said coaxial line unusual fluctuation also comprises first bearing pin; Said lock core lower end is a cylinder, and its cylindrical outer surface is provided with radial hole; Said locking element upper end is a prism; The window that its external surface inwardly is provided with the lead angle curved grooves inwardly is provided with the center axial blind hole with its upper surface; This window and center axial blind hole connect, and said center axial blind hole and said lock core lower end are and are slidingly matched; Said flexible member is installed among the said locking element axle to the bottom of blind hole; Axle was to blind hole among said lock core lower end was positioned at said locking element, and its end contacts with said flexible member; The said first bearing pin inner termination is passed through and is fixed in the radial hole of said lock core from the window of said locking element, and its external end head is concordant or lower slightly with the prismatic surface lowest part of said locking element upper end; Said lock core mounting hole comprises the locking element placed hole of bottom; Said lock core lower end and locking element are positioned at the locking element placed hole of said lock core mounting hole; The locking element placed hole of the lock core mounting hole of said lock body is prismatic hole, is with the prism of said locking element upper end to be slidingly matched, and said locking element can not be rotated, and can only move; By the cylinder of said lock core lower end and the center axial blind hole of locking element upper end; Said lock core lower end has just formed the socket joint suit with locking element upper end and has been connected, the while by said first bearing pin with said lock core with locking element is binding is engaged togather; The locking element placed hole of the prismatic of the prism structure of said locking element upper end and the lock core mounting hole of said lock body has just constituted the position limiting structure that stops that said locking element rotates; Window, the flexible member of the lead angle curved grooves of said locking element and first bearing pin that is fixed on the said lock core have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to form driving force by said lock core around the rotation of said central axis; And stop that by said position limiting structure said locking element rotates, and drives said locking element and does the axial line displacement.

Compare with prior art, the beneficial effect of the locking system of the utility model coaxial line unusual fluctuation is:

Because lock core and locking element are arranged in the same lock core mounting hole; And the rotation motion of lock core is changed to moving back and forth of locking element; Both can omit the cost of production of a locking element installing hole and plug; Can simplify the shape of lock body again and dwindle the size of this lock body, thereby have little, the simple in structure and low cost and other advantages of volume; The said locking system of the utility model can be applicable to lockset inside, is particularly useful for automobile anti-theft lock and similar multiple lockset.

[description of drawings]

Fig. 1 is the axonometric projection sketch map after the locking system embodiment one of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Fig. 2 is the axonometric projection sketch map after said embodiment one assembling, watches for ease, and some position is cut open among this figure;

Fig. 3 is the orthography cross-sectional schematic of said embodiment one;

Fig. 4 is the axonometric projection sketch map after the locking system embodiment two of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Fig. 5 is the axonometric projection sketch map after said embodiment two assemblings, watches for ease, and some position is cut open among this figure;

Fig. 6 is the orthography cross-sectional schematic of said embodiment two;

Fig. 7 is the axonometric projection sketch map after the locking system embodiment three of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Fig. 8 is the axonometric projection sketch map after said embodiment three assemblings, watches for ease, and some position is cut open among this figure;

Fig. 9 is the orthography cross-sectional schematic of said embodiment three;

Figure 10 is the axonometric projection sketch map after the locking system embodiment four of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 11 is the axonometric projection sketch map after said embodiment four assemblings, watches for ease, and some position is cut open among this figure;

Figure 12 is the orthography cross-sectional schematic of said embodiment four;

Figure 13 is the axonometric projection sketch map after the locking system embodiment five of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 14 is the axonometric projection sketch map after said embodiment five assemblings, watches for ease, and some position is cut open among this figure;

Figure 15 is the orthography cross-sectional schematic of said embodiment five;

Figure 16 is the axonometric projection sketch map after the locking system embodiment six of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 17 is the axonometric projection sketch map after said embodiment six assemblings, watches for ease, and some position is cut open among this figure;

Figure 18 is the orthography cross-sectional schematic of said embodiment six;

Figure 19 is the axonometric projection sketch map after the locking system embodiment seven of the coaxial unusual fluctuation of the present invention decomposes, and the component such as lock body that do not draw among the figure are watched for ease, and the locking element 2 among this figure has been cut open;

Figure 20 is the axonometric projection sketch map after said embodiment seven assemblings, and the component such as lock body that do not draw among the figure are watched for ease, and some position has been cut open among this figure;

Figure 21 is the orthography cross-sectional schematic of said embodiment seven;

Figure 22 is the axonometric projection sketch map after the locking system embodiment eight of the coaxial unusual fluctuation of the present invention decomposes, and the component such as lock body that do not draw among the figure are watched for ease, and the locking element 2 among this figure has been cut open;

Figure 23 is the axonometric projection sketch map after said embodiment eight assemblings, and the component such as lock body that do not draw among the figure are watched for ease, and some position has been cut open among this figure;

Figure 24 is the orthography cross-sectional schematic of said embodiment eight;

Figure 25 is the axonometric projection sketch map after the locking system embodiment nine of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 26 is the axonometric projection sketch map after said embodiment nine assemblings, watches for ease, and some position is cut open among this figure;

Figure 27 is the orthography cross-sectional schematic of said embodiment nine;

Figure 28 is the axonometric projection sketch map after the locking system embodiment of the coaxial unusual fluctuation of the present invention extremely separates, and the component such as lock body that do not draw among the figure are watched for ease, and the tapered end shell 4 among this figure has been cut open;

Figure 29 is the axonometric projection sketch map after said embodiment ten assemblings, and the component such as lock body that do not draw among the figure are watched for ease, and some position has been cut open among this figure;

Figure 30 is the orthography cross-sectional schematic of said embodiment ten, component such as the lock body that do not draw among the figure;

Figure 31 is the axonometric projection sketch map after the locking system embodiment 11 of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 32 is the axonometric projection sketch map after embodiment 11 assemblings, and the component such as lock body that do not draw among the figure are watched for ease, and some position has been cut open among this figure;

Figure 33 is the orthography cross-sectional schematic of said embodiment 11, component such as the lock body that do not draw among the figure;

Figure 34 is the axonometric projection sketch map after the locking system embodiment 12 of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 35 is the axonometric projection sketch map after said embodiment 12 assemblings, watches for ease, and some position is cut open among this figure;

Figure 36 is the orthography cross-sectional schematic of said embodiment 12;

Figure 37 is the axonometric projection sketch map after the locking system embodiment 13 of the coaxial unusual fluctuation of the present invention decomposes, and component such as lock body do not draw among the figure;

Figure 38 is the axonometric projection sketch map after said embodiment 13 assemblings, watches for ease, and some position is cut open among this figure;

Figure 39 is the orthography cross-sectional schematic of said embodiment 13.

[specific embodiment]

Below in conjunction with each accompanying drawing the utility model is done further explain.

Referring to Fig. 1 to Figure 39, a kind of locking system of coaxial line unusual fluctuation comprises lock core 1, locking element 2, flexible member 3, key 5 and lock body 6; Said key 5 can insert in the said lock core 1, and drives said lock core 1 rotation under external force; Said lock body 6 is provided with by locking element installing hole and lock core mounting hole 61; Said lock core 1 lower end is connected through the socket joint suit with locking element 2 upper ends; Make it to have same central axis OO; Said lock core 1 is arranged in the lock core mounting hole 61 of said lock body 6 with locking element 2 together, and said lock core 1 can rotate in the lock core mounting hole 61 of the said lock body 6 that matches; By said key 5 said lock core 1 is rotated around said central axis OO, and said locking element 2 is resetted by said flexible member 3; Lock core mounting hole 61 on the said lock body 6 and be connected by the locking element installing hole; Said locking system is provided with the position limiting structure that stops that said locking element 2 rotates; Said locking system also is provided with the axial displacement Drive Structure of locking element 2; This axial displacement Drive Structure is by the rotation of said lock core 1 around said central axis OO; And said position limiting structure stops that this locking element 2 rotates; Drive said locking element 2 and do the axial line displacement, thereby make said locking element 2 and pinned by locking element 9 or separate.Said can be by locking element 9 through being got into of said lock body 6 by locking element installing hole 69, or said lock body 6 a lock pipe 7 is set in the locking element installing hole 69 after, said by locking element 9 being got into through said lock pipe 7 again by locking element installing hole 71.Said flexible member 3 comprises spring, and this spring comprises the compression spring of turriform and cylindricality.The locking system of common said coaxial line unusual fluctuation also comprises tapered end shell 4, and this tapered end shell 4 is provided with the through hole 41 with said lock core 1 coupling; Like this, just can said lock core 1 be rotatably installed in the through hole 41 of said tapered end shell 4, and then said tapered end shell 4 is arranged in the lock core mounting hole 61 of said lock body 6 by said tapered end shell 4.

Said axial displacement Drive Structure is a kind of cam mechanism, and this cam mechanism stops that around rotation and the said position limiting structure of said central axis OO said locking element 2 rotates, and drives said locking element 2 and does the axial line displacement by said lock core 1.

Embodiment one:

Referring to Fig. 1 to Fig. 3, a kind of locking system of coaxial line unusual fluctuation comprises lock core 1, locking element 2, flexible member 3, tapered end shell 4, key 5, lock body 6, by the locking element 9 and first bearing pin 81; Said tapered end shell 4 is provided with the through hole 41 with said lock core 1 coupling; Said key 5 can insert in the said lock core 1, and drives said lock core 1 rotation; Said lock body 6 is provided with by locking element installing hole 69 and lock core mounting hole 61, the lock core mounting hole 61 on the said lock body 6 and be connected by locking element installing hole 69.

The tubular cylinder cam is arranged in said lock core 1 lower end, comprises that the window 11 that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly is provided with central axial bore 12 with its lower surface, and this window 11 connects with central axial bore 12.

Said locking element 2 upper ends are arranged to be the cylinder that is slidingly matched with the central axial bore 12 of said lock core 1 lower end, and its cylindrical outer surface is provided with radial hole 21.

Said lock core 1 upper end is rotatably installed in the through hole 41 of the tapered end shell 4 that matches; The compression spring that said flexible member 3 is turriforms, it is installed in the bottom of the central axial bore 12 of said lock core 1; Said locking element 2 upper ends are positioned at the central axial bore 12 of said lock core 1, and its end contacts with said flexible member 3, and said flexible member 3 resets said locking element 2; The inner termination of said first bearing pin 81 is passed through and is fixed in the radial hole 21 of said locking element 2 from the window 11 of said lock core 1, and its external end head exceeds the cylindrical outer surface of said lock core 1 lower end and forms protruding stake.

The similar tee piece of said lock body 6 shapes of present embodiment, the lock core mounting hole 61 on it can be designed as shoulder hole, comprises top fixedly the tapered end installing hole 611 of tapered end shell 4 and the locking element placed hole 612 of the bottom littler than this tapered end installing hole 611; Said lock core 1, locking element 2 and tapered end shell 4 are arranged in the lock core mounting hole 61 of said lock body 6; Wherein tapered end shell 4 is fixed in the tapered end installing hole 611 of said lock core mounting hole 61, and said lock core 1 lower end and locking element 2 are positioned at the locking element placed hole 612 of said lock core mounting hole 61.

The sidewall of the lock core mounting hole 61 of said lock body 6 is provided with the width dimensions first axial limiting elongated slot 62A more bigger than first bearing pin, 81 external end head maximum sizes; This first axial limiting elongated slot 62A is actually on the sidewall of the locking element placed hole 612 that is arranged on said lock core mounting hole 61, and its shape is similar to axial keyway; After said lock core 1, locking element 2 and tapered end shell 4 are arranged in the lock core mounting hole 61 of said lock body 6; The external end head of said first bearing pin 81 just is positioned at the axial limiting elongated slot 62A of said lock body 6; Can in this first axial limiting elongated slot 62A, move back and forth; Thereby said locking element 2 can not be rotated, can only move back and forth.

By the central axial bore 12 of said lock core 1 and the cylinder of locking element 2 upper ends; Said lock core 1 lower end has just formed the socket joint suit with locking element 2 upper ends and has been connected; Make said lock core 1 and locking element 2 have same central axis OO, simultaneously by said first bearing pin 81 with said lock core 1 and locking element 2 binding being engaged togather.

The window 11 of the lead angle curved grooves of said lock core 1, flexible member 3 and first bearing pin 81 that is fixed on the said locking element 2 have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to stop that around rotation and the said position limiting structure of said central axis OO said locking element 2 rotates by said lock core 1; Drive said locking element 2 and do the axial line displacement, thereby make said locking element 2 and pinned by locking element 9 or separate.

The first axial limiting elongated slot 62A of the lock core mounting hole 61 of said lock body 6 has just constituted the position limiting structure that stops that said locking element 2 rotates with first bearing pin 81 that exceeds said lock core 1 lower end cylindrical outer surface.

And for the automobile of easy to process and suitable snap close different model, the locking system of said coaxial line unusual fluctuation can also comprise the lock pipe 7 that is provided with by locking element installing hole 71, said lock manage 7 one ends be positioned at said lock body 6 by locking element installing hole 69; Can being got into by locking element 9 from said lock pipe 7 by locking element installing hole 71; Under the control action of said key 5, said locking element 2 lower ends with get into said lock pipe 7 by being pinned by a certain annular groove on the locking element 9 91 or separate in the locking element installing hole 71.

Present embodiment has three kinds of duties:

One, reverses said core 1 with said key 5 clockwises; Said lock core 1 rotates around said central axis OO; This moment, said first bearing pin 81 up moved along the window 11 of the lead angle curved grooves of the lower end of said lock core 1 tubular cylinder cam; Move up and compress spring 3 thereby drive said locking element 2, this moment said locking element 2 lower ends with get into said lock pipe 7 by being separated in the locking element installing hole 71 by the annular groove on the locking element 9 91, be unlocking condition;

Two, inverse clock reverses said key 5, and said locking element 2 is promoted horizontal reset down by spring 3, and this moment, the insertion of said locking element 2 lower ends was said by in a certain annular groove 91 on the locking element 9, was blocking;

Three, extract said key 5; When said when being pushed into by locking element 9; Said locking element 2 receives said by the pushed of annular groove 91 1 sides of locking element 9, and it is up to overcome the active force of said spring 3, under the active force of said spring 3, automatically resets again subsequently; Fall into saidly, be automatic lockup state by the annular groove 91 of locking element 9.

Specify, in the present embodiment, also can not want tapered end shell 4, directly said lock core 1 upper end is rotatably installed in the lock core mounting hole 61 of the said lock body 6 that matches.

Embodiment two:

Referring to Fig. 4 to Fig. 6, present embodiment and embodiment one are basic identical, and difference is to stop that the position limiting structure of said locking element 2 rotations is different.

The locking system that is the said coaxial line unusual fluctuation of present embodiment must also comprise the lock pipe 7 that is provided with by locking element installing hole 71, this lock pipe 7 one ends be positioned at said lock body 6 by locking element installing hole 69.The external end head of said first bearing pin 81 is concordant or lower slightly with the external cylindrical surface of said lock core 1 lower end; Said locking element 2 lower ends are provided with at least one radially concave plane 23; Said lock pipe 7 is provided with said locking element 2 lower ends with said locking element 2 corresponding tube walls and is the radially irregularly-shaped hole 72 that is slidingly matched, and said locking element 2 lower ends radially can not be rotated under the restriction of irregularly-shaped hole 72 at this, can only move.Like this, the radially irregularly-shaped hole 72 and said locking element 2 lower ends of said lock pipe 7 at least one radially the on-circular cross-section structure of concave plane 23 just constituted the position limiting structure that stops that said locking element 2 rotates.

Embodiment three:

Referring to Fig. 7 to Fig. 9, present embodiment and embodiment one are basic identical, and difference is also to stop that the position limiting structure of said locking element 2 rotations is different.

The locking system that is the said coaxial line unusual fluctuation of present embodiment must also comprise profile gasket 82; The external end head of said first bearing pin 81 is concordant or lower slightly with the external cylindrical surface of said lock core 1 lower end; Said locking element 2 lower ends are provided with at least one radially concave plane 23; Said profile gasket 82 is provided with said locking element 2 lower ends and is the axial irregularly-shaped hole 822 that is slidingly matched, and its external diameter surface is provided with lug 821; The sidewall of the lock core mounting hole 61 of said lock body 6 is provided with the second axial limiting elongated slot 62B, and the lug 821 of this second axial limiting elongated slot 62B and said profile gasket 82 is suitable, can be to be slidingly matched or interference fits; The axial irregularly-shaped hole 822 of said profile gasket 82 is enclosed within said locking element 2 lower ends; After said lock core 1, locking element 2, profile gasket 82 and tapered end shell 4 are arranged in the lock core mounting hole 61 of said lock body 6 together; Said profile gasket 82 is positioned at lock core mounting hole 61 bottoms; Lug 821 on it just is positioned at the second axial limiting elongated slot 62B of said lock body 6, and said locking element 2 can not be rotated, and can only move.Like this, said profile gasket 82, said locking element 2 lower ends at least one radially the second axial limiting elongated slot 62B of the lock core mounting hole 61 of on-circular cross-section structure and the said lock body 6 of concave plane 23 just constituted the position limiting structure that stops that said locking element 2 rotates.

Lock pipe 7 in the present embodiment can be provided with, and also can not be provided with, and depends on the circumstances.

Embodiment four:

Referring to Figure 10 to Figure 12; Present embodiment is to stop that with the difference of the foregoing description the position limiting structure of said locking element 2 rotations is different, and said lock core 1 lower end concerns somewhat different with the structure of the socket joint suit linking of locking element 2 upper ends and the position that the axial displacement Drive Structure is provided with.

Said in the present embodiment lock core 1 lower end also is a cylinder, and its cylindrical outer surface is provided with radial hole 13; Said locking element 2 upper ends are prism; The window 25 that its external surface inwardly is provided with the lead angle curved grooves inwardly is provided with center axial blind hole 27 with its upper surface; This window 25 connects with center axial blind hole 27, and said center axial blind hole 27 is with said lock core 1 lower end and is slidingly matched; Said flexible member 3 is installed among the said locking element 2 axle to the bottom of blind hole 27; Axle was to blind hole 27 among said lock core 1 lower end was positioned at said locking element 2, and its end contacts with said flexible member 3; Said first bearing pin, 81 inner termination are passed through and are fixed in the radial hole 13 of said lock core 1 from the window 25 of said locking element 2, and its external end head is concordant or lower slightly with the prismatic surface lowest part of said locking element 2 upper ends; Said lock core mounting hole 61 comprises top fixedly the tapered end installing hole 611 of tapered end shell 4 and the locking element placed hole 612 of bottom, and this lock core mounting hole 61 generally is designed to shoulder hole, and its locking element placed hole 612 is littler than tapered end installing hole 611; Said lock core 1, locking element 2 and tapered end shell 4 are arranged in the lock core mounting hole 61 of said lock body 6; Wherein tapered end shell 4 is fixed in the tapered end installing hole 611 of said lock core mounting hole 61, and said lock core 1 lower end and locking element 2 are positioned at the locking element placed hole 612 of said lock core mounting hole 61; The locking element placed hole 612 of the lock core mounting hole 61 of said lock body 6 is prismatic hole, and the prism of this prism hole and said locking element 2 upper ends is and is slidingly matched, and said locking element 2 can not be rotated, and can only move.

Like this; By the cylinder of said lock core 1 lower end and the center axial blind hole 27 of locking element 2 upper ends; Said lock core 1 lower end has just formed the socket joint suit with locking element 2 upper ends and has been connected, simultaneously by said first bearing pin 81 with said lock core 1 and locking element 2 binding being engaged togather.The locking element placed hole 612 of the prismatic of the prism structure of said locking element 2 upper ends and the lock core mounting hole 61 of said lock body 6 has just constituted the position limiting structure that stops that said locking element 2 rotates.The window 25 of the lead angle curved grooves of said locking element 2, flexible member 3 and first bearing pin 81 that is fixed on the said lock core 1 have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to stop that around rotation and the said position limiting structure of said central axis OO said locking element 2 rotates by said lock core 1; Drive said locking element 2 and do the axial line displacement, thereby make said locking element 2 and pinned by locking element 9 or separate.

The lower end of locking element described in the present embodiment 2 is designed to the cylinder bodily form, and that matches with it saidly can be made radially pit 91A by the groove of locking element 9.The lower end of certain said locking element 2 and its said shape that also can be made other by the groove of locking element 9 that matches.

Embodiment five:

Referring to Figure 13 to Figure 15; Present embodiment and embodiment four are basic identical; Difference is to stop that the position limiting structure of said locking element 2 rotations is different, and the shape of said locking element 2 upper ends is different, in order to represent difference; The window of the said locking element 2 in the present embodiment representes that with 25A the radially irregularly-shaped hole of said lock pipe 7 is represented with 72A.

Said in the present embodiment locking element 2 upper ends are cylinder; The window 25A that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly is provided with center axial blind hole 27 with its upper surface; This window 25A and center axial blind hole 27 connect, and the cylinder of said center axial blind hole 27 and said lock core 1 lower end is and is slidingly matched.The external end head of said first bearing pin 81 is concordant or lower slightly with the external cylindrical surface of said locking element 2 upper ends.

The locking system of the said coaxial line unusual fluctuation of present embodiment must also comprise the lock pipe 7 that is provided with by locking element installing hole 71, this lock pipe 7 one ends be positioned at said lock body 6 by locking element installing hole 69.Said locking element 2 lower ends are flat bar, if any two radially concave planes 23 that are parallel to each other.Said lock pipe 7 is provided with said locking element 2 lower ends with said locking element 2 corresponding tube walls and is the radially irregularly-shaped hole 72A that is slidingly matched, and said locking element 2 lower ends radially can not be rotated under the restriction of irregularly-shaped hole 72A at this, can only move.Like this, the structure of the radially irregularly-shaped hole 72A of said lock pipe 7 and said locking element 2 lower end flat bars has just constituted the position limiting structure that stops that said locking element 2 rotates.

Described in the present embodiment be and the suitable annular groove 91 of the structure of said locking element 2 lower end flat bars by the groove shapes of locking element 9.

Embodiment six:

Referring to Figure 16 to Figure 18, present embodiment and embodiment five are basic identical, and difference is to stop that the position limiting structure of said locking element 2 rotations is different.

The external diameter surface of said in the present embodiment locking element 2 is provided with projection 26; The sidewall of the lock core mounting hole 61 of said lock body 6 is provided with the width dimensions three axial limiting elongated slot 62C more bigger than projection 26 maximum sizes of said locking element 2, and the 3rd axial limiting elongated slot 62C and projection 26 are suitable, are to be slidingly matched; After said lock core 1, locking element 2 and tapered end shell 4 are arranged in the lock core mounting hole 61 of said lock body 6; The projection 26 of said locking element 2 just is positioned at the 3rd axial limiting elongated slot 62C of said lock body 6; And can in the 3rd axial limiting elongated slot 62C, move back and forth; Thereby said locking element 2 can not be rotated, can only move.Like this, the 3rd axial limiting elongated slot 62C of the projection 26 of said locking element 2 and said lock body 6 has just constituted the position limiting structure that stops that said locking element 2 rotates.

The lower end of locking element described in the present embodiment 2 is designed to ratchet 24, and that matches with it has saidly then been made radially ratchet 91B by the groove of locking element 9.The lower end of certain said locking element 2 and its said shape that also can be made other by the groove of locking element 9 that matches.

Embodiment seven:

Referring to Figure 19 to Figure 21, present embodiment and embodiment five are basic identical, and difference is that said lock core 1 lower end concerns somewhat different with structure with locking element 2 upper ends through the structure of socket joint suit linking and the position of axial displacement Drive Structure setting.In order to represent difference, the central axial bore of the said lock core 1 in the present embodiment representes that with 12A the center axial blind hole of said locking element 2 representes that with 27A the radial hole of said locking element 2 is represented with 21A.

Said lock core 1 lower end is a cylinder; The window 11 that its cylindrical outer surface inwardly is provided with the lead angle curved grooves and its lower surface inwardly are provided with the central axial bore 12A adaptive with said flexible member 3; The depth design of this central axial bore 12A becomes to be less than or equal to the shortest length after said flexible member 3 is compressed, the compression spring that said flexible member 3 is cylindricalitys; Said locking element 2 upper ends also are cylinder, and its upper surface inwardly is provided with center axial blind hole 27A and cylindrical outer surface is provided with the radial hole 21A that connects with this center axial blind hole 27A, and said center axial blind hole 27A and said lock core 1 lower end are and are slidingly matched; Said flexible member 3 be installed in the central axial bore 12A of said lock core 1 and among said lock core 1 lower end is positioned at said locking element 2 axle to blind hole 27A; Axle contacts to the bottom of blind hole 27A among one end of this flexible member 3 and the said locking element 2, and its other end contacts with the bottom of the central axial bore 12A of said lock core 1; Said first bearing pin, 81 external end heads are fixed in the radial hole 21A of said locking element 2, and these first bearing pin, 81 external end heads are concordant or lower slightly with the external cylindrical surface of said locking element 2 upper ends, and its inner termination is positioned at the window 11 of said lock core 1.Like this; Just by the cylinder of said lock core 1 lower end and the center axial blind hole 27A of locking element 2 upper ends; Said lock core 1 lower end has just formed the socket joint suit with locking element 2 upper ends and has been connected, simultaneously by said first bearing pin 81 with said lock core 1 and locking element 2 binding being engaged togather; The window 11 of the lead angle curved grooves of said lock core 1, flexible member 3 and first bearing pin 81 that is fixed on the said locking element 2 have just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to stop that around rotation and the said position limiting structure of said central axis OO said locking element 2 rotates by said lock core 1; Drive said locking element 2 and do the axial line displacement, thereby make said locking element 2 and pinned by locking element 9 or separate.

Because the position limiting structure of present embodiment is identical with embodiment five, so the locking system of the said coaxial line unusual fluctuation of present embodiment must also comprise lock pipe 7.

Embodiment eight:

Referring to Figure 22 to Figure 24, present embodiment and embodiment five are basic identical, and difference is that said lock core 1 lower end concerns somewhat different with structure with locking element 2 upper ends through the structure of socket joint suit linking and the position of axial displacement Drive Structure setting.In order to represent difference, the center axial blind hole of locking element described in the present embodiment 2 representes that with 27B the radial hole of said locking element 2 is represented with 21D.

The locking system of the said coaxial line unusual fluctuation of present embodiment must also comprise tubular cylinder cam 28; This tubular cylinder cam 28 comprises and is provided with the window 281 that center axially extending bore 282 and cylindrical outer surface inwardly are provided with the lead angle curved grooves that this window 281 connects with center axially extending bore 282; Said lock core 1 lower end is a cylinder, and its cylindrical outer surface is provided with radial hole 13, and the center axially extending bore 282 of said lock core 1 lower end and said tubular cylinder cam 28 is and is slidingly matched; Said locking element 2 upper ends also are cylinder, and its upper surface inwardly is provided with center axial blind hole 27B; Said lock core 1 lower end is positioned at the center axially extending bore 282 of said tubular cylinder cam 28; Said first bearing pin, 83 inner termination are fixed in the radial hole 13 of said lock core 1, and its external end head is positioned at the window 281 of said tubular cylinder cam 28, and concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam 28; Said flexible member 3 is installed in the bottom of axle in blind hole 27B among the said locking element 2; Axle was in blind hole 27B among said tubular cylinder cam 28 was fixed on said locking element 2, and said lock core 1 lower surface contacts with said flexible member 3.Like this; Just by the center axial blind hole 27B of cylinder, tubular cylinder cam 28 and locking element 2 upper ends of said lock core 1 lower end; Said lock core 1 lower end has just formed the socket joint suit with locking element 2 upper ends and has been connected, simultaneously by said first bearing pin 81 with said lock core 1 and locking element 2 binding being engaged togather; And be fixed on window 281, the flexible member 3 of the lead angle curved grooves of the said tubular cylinder cam 28 of axle in blind hole 27B among the said locking element 2 and first bearing pin 81 that is fixed on the said lock core 1 has just constituted the axial displacement Drive Structure; This axial displacement Drive Structure is to stop that around rotation and the said position limiting structure of said central axis OO said locking element 2 rotates by said lock core 1; Drive said locking element 2 and do the axial line displacement, thereby make said locking element 2 and pinned by locking element 9 or separate.

For easy to assembly, the external surface of said locking element 2 upper ends is provided with the radial hole 21D that connects with said center axial blind hole 27B, and the internal diameter of this radial hole 21D is bigger than the external diameter of said first bearing pin 81; During assembling; Axle is in blind hole 27B among earlier said tubular cylinder cam 28 being embedded in said locking element 2; With said flexible member 3 axle axle bottom in blind hole 27B among through hole 282 penetrates and be installed in said locking element 2 among the said tubular cylinder cam 28; Again axle is inserted among the said tubular cylinder cam 28 in through hole 282 and compress said flexible member 3 in said lock core 1 lower end; The radial hole 13 of said lock core 1 lower end is exposed from the window 281 of said tubular cylinder cam 28; And aim at the radial hole 21D of said locking element 2, said first bearing pin, 81 inner termination are passed through the window 281 of radial hole 21D and said tubular cylinder cam 28 of said locking element 2 after, be inserted and secured in the radial hole 13 of said lock core 1; The external end head of said first bearing pin 81 is positioned at the window 281 of said tubular cylinder cam 28; And concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam 28, at this moment, said first bearing pin 81 just has been engaged togather said locking element 2 and the inner tubular cylinder cam of inlaying 28, flexible member 3 and core 1 constraint.

Embodiment nine:

Referring to Figure 25 to Figure 27, present embodiment and embodiment five are basic identical, and difference is to stop that the position limiting structure of said locking element 2 rotations is different.In order to represent difference, the radially concave plane of locking element described in the present embodiment 2 is represented with 23A.

Said locking element 2 lower ends are provided with at least one radially recessed flat 23A; Lock core mounting hole 61 bottoms of said lock body 6 are provided with said locking element 2 lower ends and are the axial irregularly-shaped hole 64 that is slidingly matched, and said locking element 2 lower ends can not be rotated under the restriction of this axial irregularly-shaped hole 64, can only move.Like this, the axial irregularly-shaped hole 64 and said locking element 2 lower ends of lock core mounting hole 61 bottoms of said lock body 6 at least one radially the on-circular cross-section structure of concave plane 23A just constituted the position limiting structure that stops that said locking element 2 rotates.

The lower end of locking element described in the present embodiment 2 and saidly can be made six similar structures with embodiment by the fit structure of the groove of locking element 9.

Embodiment ten:

Referring to Figure 28 to Figure 30, present embodiment and embodiment nine are basic identical, and difference is to stop that the position limiting structure of said locking element 2 rotations is different.

The locking system of the said coaxial line unusual fluctuation of present embodiment must also comprise second bearing pin 89 and tapered end shell 4, and this tapered end shell 4 is provided with the through hole 41 with said lock core 1 coupling; Said locking element 2 lower end external surfaces are provided with an axial limiting groove 22, and the width dimensions of this axial limiting groove 22 is more bigger than the external diameter of said second bearing pin 89, can guarantee said second bearing pin, 89 move inside; Length after the length of said tapered end shell 4 is slightly less than said lock core 1 and locking element 2 is connected, said tapered end shell 4 lower end external surfaces are provided with the radial hole 42 that connects with through hole 41; Said first bearing pin 81 is engaged togather said lock core 1, locking element 2 and flexible member 3 and is fitted into the through hole 41 of said tapered end shell 4; Said lock core 1 can rotate in the through hole 41 of said tapered end shell 4; The external end head of said second bearing pin 89 is fixed in the radial hole 42 of said tapered end shell 4; And it is concordant or lower slightly with the external surface of said tapered end shell 4; Its inner termination is positioned at the axial limiting groove 22 of said locking element 2 lower ends, and said locking element 2 lower ends can not be rotated under the common restriction of this second bearing pin 89 and axial limiting groove 22, can only move; Said tapered end shell 4 is arranged in the lock core mounting hole 61 of said lock body 6.Like this, said second bearing pin 89, the radial hole 42 of tapered end shell 4 and the axial limiting groove 22 of said locking element 2 lower ends have just constituted the position limiting structure that stops that said locking element 2 rotates.

Embodiment 11:

Referring to Figure 31 to Figure 33, present embodiment and embodiment ten are basic identical, and difference is also to stop that the position limiting structure of said locking element 2 rotations is different.

The locking system of the said coaxial line unusual fluctuation of present embodiment must also comprise tapered end shell 4, and this tapered end shell 4 also is provided with the through hole 41 with said lock core 1 coupling; Said tapered end shell 4 also is arranged in the lock core mounting hole 61 of said lock body 6.

Said locking element 2 external surfaces are provided with protruding stake 29; The length of said tapered end shell 4 also is the length after being slightly less than said lock core 1 and locking element 2 being connected; Said tapered end shell 4 lower end external surfaces are provided with the radially stopper slot 43 that is connected with through hole 41; Radially the width dimensions of stopper slot 43 is more bigger than the overall size of said protruding stake 29 for this, can guarantee said protruding stake 29 move inside; Said lock core 1, locking element 2, flexible member 3 and first bearing pin 81 are positioned at the through hole 41 of said tapered end shell 4; Said lock core 1 can rotate in the through hole 41 of said tapered end shell 4; The protruding stake 29 of said locking element 2 lower ends just is arranged in the radially stopper slot 43 of said tapered end shell 4 lower ends; Said locking element 2 can not be rotated, can only move.Like this, the protruding stake 29 of the radially stopper slot 43 of said tapered end shell 4 and locking element 2 lower ends has just constituted the position limiting structure that stops that said locking element 2 rotates.

Embodiment 12:

Referring to Figure 34 to Figure 36; Present embodiment and embodiment two are basic identical; Difference is to stop that the position limiting structure of said locking element 2 rotations is slightly different; And in the present embodiment, do not have tapered end shell 4, directly said lock core 1 upper end is rotatably installed in the lock core mounting hole 61 of the said lock body 6 that matches.In order to distinguish with axial irregularly-shaped hole 64 expressions of embodiment nine, the axial irregularly-shaped hole of lock body described in the present embodiment 6 is represented with 64A.

Said locking element 2 lower ends in the present embodiment are the same with embodiment two, are provided with at least one radially concave plane 23; And lock core mounting hole 61 bottoms of said lock body 6 are provided with said locking element 2 lower ends and are the axial irregularly-shaped hole 64A that is slidingly matched; Said like this locking element 2 lower ends can not be rotated under the restriction of the axial irregularly-shaped hole 64A of lock core mounting hole 61 bottoms of said lock body 6, can only move.The axial irregularly-shaped hole 64A of lock core mounting hole 61 bottoms of said lock body 6 and said locking element 2 lower ends at least one radially the on-circular cross-section structure of concave plane 23 just constituted the position limiting structure that stops that said locking element 2 rotates.

Because position limiting structure in the present embodiment and the position limiting structure of embodiment two are slightly different, so the lock pipe 7 in the present embodiment can be provided with, and also can not be provided with, and depends on the circumstances.

Embodiment 13:

Referring to Figure 37 to Figure 39, present embodiment and embodiment two are basic identical, and difference is not have tapered end shell 4, directly said lock core 1 upper end are rotatably installed in the lock core mounting hole 61 of the said lock body 6 that matches.

Structure that lock core 1 lower end described in above-mentioned each embodiment of the utility model is connected with the socket joint suit of locking element 2 upper ends and the position limiting structure that stops that said locking element 2 rotates; And axial displacement Drive Structure; Can optionally change collocation, all belong to the protection domain of the utility model patent application.

The above embodiment has only expressed the preferred implementation of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.

Claims

1. the locking system of a coaxial line unusual fluctuation comprises lock core (1), locking element (2), flexible member (3), key (5) and lock body (6); Said lock body (6) is provided with by locking element installing hole and lock core mounting hole (61); It is characterized in that:

Said lock core (1) lower end is connected through the socket joint suit with locking element (2) upper end; Make it to have same central axis (OO); Said lock core (1) and locking element (2) are arranged in the lock core mounting hole (61) of said lock body (6) together, and said lock core (1) can rotate in the lock core mounting hole (61) of the said lock body (6) that matches; By said key (5) said lock core (1) is rotated around said central axis (OO), and said locking element (2) is resetted by said flexible member (3); Lock core mounting hole (61) on the said lock body (6) and be connected by the locking element installing hole;

Said locking system is provided with the position limiting structure that stops that said locking element (2) rotates;

Said locking system also is provided with the axial displacement Drive Structure of locking element (2); This axial displacement Drive Structure is by the rotation of said lock core (1) around said central axis (OO); And said position limiting structure stops that this locking element (2) rotates; Drive said locking element (2) and do the axial line displacement, thereby make said locking element (2) and pinned by locking element (9) or separate.

2. the locking system of coaxial line unusual fluctuation according to claim 1 is characterized in that:

Also comprise tapered end shell (4), this tapered end shell (4) is provided with the through hole (41) with said lock core (1) coupling; Said lock core (1) is rotatably installed in the through hole (41) of said tapered end shell (4), and said tapered end shell (4) is arranged in the lock core mounting hole (61) of said lock body (6) again.

3. the locking system of coaxial line unusual fluctuation according to claim 1 is characterized in that:

Said axial displacement Drive Structure is a kind of cam mechanism, and this cam mechanism stops that around the rotation and the said position limiting structure of said central axis (OO) said locking element rotates, and drives said locking element (2) and does the axial line displacement by said lock core (1).

4. the locking system of coaxial unusual fluctuation according to claim 3 is characterized in that:

Also comprise first bearing pin (81);

The tubular cylinder cam is arranged in said lock core (1) lower end, comprises that its cylindrical outer surface inwardly is provided with the window of lead angle curved grooves (11) and its lower surface inwardly is provided with central axial bore (12), and this window (11) connects with central axial bore (12);

Said locking element (2) upper end is arranged to be the cylinder that is slidingly matched with the central axial bore (12) of said lock core (1) lower end, and its cylindrical outer surface is provided with radial hole (21);

Said flexible member (3) is installed in the bottom of the central axial bore (12) of said lock core (1); Said locking element (2) upper end is positioned at the central axial bore (12) of said lock core (1), and its end contacts with said flexible member (3); The inner termination of said first bearing pin (81) is passed through and is fixed in the radial hole (21) of said locking element (2) from the window (11) of said lock core (1).

5. the locking system of coaxial line unusual fluctuation according to claim 4 is characterized in that:

The external end head of said first bearing pin (81) exceeds the cylindrical outer surface of said lock core (1) lower end and forms protruding stake;

The sidewall of the lock core mounting hole (61) of said lock body (6) is provided with the first axial limiting elongated slot (62A); After said lock core (1) and locking element (2) are arranged in the lock core mounting hole (61) of said lock body (6); The external end head of said first bearing pin (81) just is positioned at the axial limiting elongated slot (62A) of said lock body (6); Can in this first axial limiting elongated slot (62A), move back and forth; Thereby said locking element (2) can not be rotated, can only move back and forth.

6. the locking system of coaxial line unusual fluctuation according to claim 3 is characterized in that:

Also comprise first bearing pin (81);

Said lock core (1) lower end is a cylinder, and its cylindrical outer surface is provided with radial hole (13);

Said locking element (2) upper end also is a cylinder; Window (25A) and its upper surface that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly are provided with center axial blind hole (27); This window (25A) and center axial blind hole (27) connect, and said center axial blind hole (27) is with said lock core (1) lower end and is slidingly matched;

Said flexible member (3) is installed among the said locking element (2) axle to the bottom of blind hole (27); Axle was to blind hole (27) among said lock core (1) lower end was positioned at said locking element (2), and its end contacts with said flexible member (3); Said first bearing pin (81) inner termination is passed through and is fixed in the radial hole (13) of said lock core (1) from the window (25A) of said locking element (2).

7. the locking system of coaxial line unusual fluctuation according to claim 3 is characterized in that:

Also comprise first bearing pin (81);

Said lock core (1) lower end is a cylinder, and window (11) and its lower surface that its cylindrical outer surface inwardly is provided with the lead angle curved grooves inwardly are provided with the central axial bore (12A) adaptive with said flexible member (3);

Said locking element (2) upper end also is a cylinder; Its upper surface inwardly is provided with center axial blind hole (27A) and cylindrical outer surface is provided with the radial hole (21A) that connects with this center axial blind hole (27A), and said center axial blind hole (27A) and said lock core (1) lower end are and are slidingly matched;

Said flexible member (3) be installed in the central axial bore (12A) of said lock core (1) and among said lock core (1) lower end is positioned at said locking element (2) axle to blind hole (27A); Axle contacts to the bottom of blind hole (27A) among one end of this flexible member (3) and the said locking element (2), and its other end contacts with the bottom of the central axial bore (12A) of said lock core (1); Said first bearing pin (81) external end head is fixed in the radial hole (21A) of said locking element (2), and its inner termination is positioned at the window (11) of said lock core (1).

8. the locking system of coaxial line unusual fluctuation according to claim 3 is characterized in that:

Also comprise first bearing pin (81) and tubular cylinder cam (28); This tubular cylinder cam (28) comprises and is provided with the window (281) that center axially extending bore (282) and cylindrical outer surface inwardly are provided with the lead angle curved grooves that this window (281) connects with center axially extending bore (282);

Said lock core (1) lower end is a cylinder, and its cylindrical outer surface is provided with radial hole (13), and the center axially extending bore (282) of said lock core (1) lower end and said tubular cylinder cam (28) is and is slidingly matched;

Said locking element (2) upper end also is a cylinder, and its upper surface inwardly is provided with center axial blind hole (27B);

Said lock core (1) lower end is positioned at the center axially extending bore (282) of said tubular cylinder cam (28); Said first bearing pin (83) inner termination is fixed in the radial hole (13) of said lock core (1), and its external end head is positioned at the window (281) of said tubular cylinder cam (28), and concordant or lower slightly with the external cylindrical surface of said tubular cylinder cam (28); Said flexible member (3) is installed in the bottom of axle in blind hole (27B) among the said locking element (2); Axle was in blind hole (27B) among said tubular cylinder cam (28) was fixed on said locking element (2), and said lock core (1) lower surface contacts with said flexible member (3).

9. according to the locking system of each described coaxial line unusual fluctuation of claim 4 or 6～8, it is characterized in that:

Also comprise the lock pipe (7) that is provided with by locking element installing hole (71), said lock pipe (7) one ends be positioned at said lock body (6) by the locking element installing hole;

Said locking element (2) lower end is provided with at least one radially concave plane (23);

Said lock pipe (7) and the corresponding tube wall of said locking element (2) are provided with said locking element (2) lower end and are the radially irregularly-shaped hole (72) that is slidingly matched, and said locking element (2) lower end radially can not be rotated under the restriction of irregularly-shaped hole (72) at this, can only move.

10. according to the locking system of each described coaxial line unusual fluctuation of claim 4 or 6～8, it is characterized in that:

Also comprise profile gasket (82);

Said profile gasket (82) is provided with said locking element (2) lower end and is the axial irregularly-shaped hole (822) that is slidingly matched, and its external diameter surface is provided with lug (821);

The sidewall of the lock core mounting hole (61) of said lock body (6) is provided with the second axial limiting elongated slot (62B);

The axial irregularly-shaped hole (822) of said profile gasket (82) is enclosed within said locking element (2) lower end; After said lock core (1), locking element (2) and profile gasket (82) are arranged in the lock core mounting hole (61) of said lock body (6) together; Said profile gasket (82) is positioned at lock core mounting hole (61) bottom; Lug on it (821) just is positioned at the second axial limiting elongated slot (62B) of said lock body (6), and said locking element (2) can not be rotated, and can only move.

11. the locking system according to each described coaxial line unusual fluctuation of claim 4 or 6～8 is characterized in that:

Said locking element (2) lower end is a flat bar;

Said lock pipe (7) is provided with said locking element (2) lower end with the corresponding tube wall of said locking element (2) and is the radially irregularly-shaped hole (72A) that is slidingly matched; Said locking element (2) lower end radially can not be rotated under the restriction of irregularly-shaped hole (72A) at this, can only move.

12. the locking system according to each described coaxial line unusual fluctuation of claim 6～8 is characterized in that:

The external diameter surface of said locking element (2) is provided with projection (26);

The sidewall of the lock core mounting hole (61) of said lock body (6) is provided with the 3rd axial limiting elongated slot (62C);

After said lock core (1) and locking element (2) are arranged in the lock core mounting hole (61) of said lock body (6); The projection (26) of said locking element (2) just is positioned at the 3rd axial limiting elongated slot (62C) of said lock body (6); And can in the 3rd axial limiting elongated slot (62C), move back and forth; Thereby said locking element (2) can not be rotated, can only move.

13. the locking system according to each described coaxial line unusual fluctuation of claim 4 or 6～8 is characterized in that:

Said locking element (2) lower end is provided with at least one radially concave plane (23A or 23);

The lock core mounting hole (61) of said lock body (6) bottom is provided with said locking element (2) lower end and is the axial irregularly-shaped hole that is slidingly matched (64 or 64A), and said locking element (2) lower end can not be rotated under the restriction of this axial irregularly-shaped hole (64 or 64A), can only move.

14. the locking system according to each described coaxial line unusual fluctuation of claim 4 or 6～8 is characterized in that:

Also comprise second bearing pin (89) and tapered end shell (4), this tapered end shell (4) is provided with the through hole (41) with said lock core (1) coupling;

Said locking element (2) lower end external surface is provided with an axial limiting groove (22);

Length after the length of said tapered end shell (4) is slightly less than said lock core (1) and locking element (2) is connected, said tapered end shell (4) lower end external surface are provided with the radial hole (42) that connects with through hole (41); Said first bearing pin (81) is engaged togather said lock core (1), locking element (2) and flexible member (3) and is fitted into the through hole (41) of said tapered end shell (4); Said lock core (1) can rotate in the through hole (41) of said tapered end shell (4); The external end head of said second bearing pin (89) is fixed in the radial hole (42) of said tapered end shell (4); Its inner termination is positioned at the axial limiting groove (22) of said locking element (2) lower end; Said locking element (2) lower end can not be rotated under the common restriction of this second bearing pin (89) and axial limiting groove (22), can only move; Said tapered end shell (4) is arranged in the lock core mounting hole (61) of said lock body (6).

15. the locking system according to each described coaxial line unusual fluctuation of claim 4 or 6～8 is characterized in that:

Also comprise tapered end shell (4), this tapered end shell (4) is provided with the through hole (41) with said lock core (1) coupling; Said locking element (2) external surface is provided with protruding stake (29);

Length after the length of said tapered end shell (4) is slightly less than said lock core (1) and locking element (2) is connected, said tapered end shell (4) lower end external surface is provided with the radially stopper slot (43) that is connected with through hole (41); Said lock core (1), locking element (2), flexible member (3) and first bearing pin (81) are positioned at the through hole (41) of said tapered end shell (4); Said lock core (1) can rotate in the through hole (41) of said tapered end shell (4); The protruding stake (29) of said locking element (2) lower end just is arranged in the radially stopper slot (43) of said tapered end shell (4) lower end; Said locking element (2) can not be rotated, can only move; Said tapered end shell (4) is arranged in the lock core mounting hole (61) of said lock body (6).

16. the locking system according to claim 2 or 3 described coaxial line unusual fluctuations is characterized in that:

Also comprise first bearing pin (81);

Said locking element (2) upper end is a prism; Window (25) and its upper surface that its external surface inwardly is provided with the lead angle curved grooves inwardly are provided with center axial blind hole (27); This window (25) and center axial blind hole (27) connect, and said center axial blind hole (27) is with said lock core (1) lower end and is slidingly matched;

Said flexible member (3) is installed among the said locking element (2) axle to the bottom of blind hole (27); Axle was to blind hole (27) among said lock core (1) lower end was positioned at said locking element (2), and its end contacts with said flexible member (3); Said first bearing pin (81) inner termination is passed through and is fixed in the radial hole (13) of said lock core (1) from the window (25) of said locking element (2), and its external end head is concordant or lower slightly with the prismatic surface lowest part of said locking element (2) upper end;

Said lock core mounting hole (61) comprises the locking element placed hole (612) of bottom; Said lock core (1) lower end and locking element (2) are positioned at the locking element placed hole (612) of said lock core mounting hole (61); The locking element placed hole (612) of the lock core mounting hole (61) of said lock body (6) is prismatic hole, is with the prism of said locking element (2) upper end to be slidingly matched, and said locking element (2) can not be rotated, and can only move.

17. the locking system of coaxial line unusual fluctuation according to claim 3 is characterized in that:

18. the locking system of coaxial unusual fluctuation according to claim 17 is characterized in that:

Also comprise first bearing pin (81);

19. the locking system of coaxial line unusual fluctuation according to claim 18 is characterized in that:

20. the locking system of coaxial line unusual fluctuation according to claim 17 is characterized in that:

Also comprise first bearing pin (81);

21. the locking system of coaxial line unusual fluctuation according to claim 17 is characterized in that:

Also comprise first bearing pin (81);

22. the locking system of coaxial line unusual fluctuation according to claim 17 is characterized in that:

23. the locking system according to each described coaxial line unusual fluctuation of claim 18 or 20～22 is characterized in that:

24. the locking system according to each described coaxial line unusual fluctuation of claim 18 or 20～22 is characterized in that:

Also comprise profile gasket (82);

25. the locking system according to each described coaxial line unusual fluctuation of claim 18 or 20～22 is characterized in that:

Said locking element (2) lower end is a flat bar;

26. the locking system according to each described coaxial line unusual fluctuation of claim 20～22 is characterized in that:

27. the locking system according to each described coaxial line unusual fluctuation of claim 18 or 20～22 is characterized in that:

Said locking element (2) lower end is provided with at least one radially concave plane (23A);

The lock core mounting hole (61) of said lock body (6) bottom is provided with said locking element (2) lower end and is the axial irregularly-shaped hole (64) that is slidingly matched, and said locking element (2) lower end can not be rotated under the restriction of this axial irregularly-shaped hole (64 or 64A), can only move.