CN102383674B - Thread-concealed type lock rod adjusting device - Google Patents
Thread-concealed type lock rod adjusting device Download PDFInfo
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- CN102383674B CN102383674B CN2010102733920A CN201010273392A CN102383674B CN 102383674 B CN102383674 B CN 102383674B CN 2010102733920 A CN2010102733920 A CN 2010102733920A CN 201010273392 A CN201010273392 A CN 201010273392A CN 102383674 B CN102383674 B CN 102383674B
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- locking bar
- lock
- sleeve hole
- lock body
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Abstract
The invention relates to a thread-concealed type lock rod adjusting device, which comprises a lock rod, a limit structure and a lock fork or lock. The lock fork or lock is provided with a sleeve hole which comprises an inner thread hole, one end of the lock rod is provided with an outer thread head, the lock rod comprises a rod part with outer diameter smaller than the bottom diameter of the outer thread head, the lock rod can be assembled with the lock fork or lock since the outer thread head meshes with the inner thread hole of the sleeve hole, and can move axially in the same due to the fact that the outer thread head rotates in the inner thread hole of the sleeve hole, so that the length of the lock rod in the lock fork or lock can be adjusted. As the outer thread head of the end of the lock rod is retained by the limit structure, the outer thread head of the end of the lock rod can be always completely limited in the sleeve hole of the lock fork or lock. The thread-concealed typelock adjusting device is applied to the sleeve hole with two ends open and the lock fork or lock with one end open, the lock rod can be a solid steel rod or a hollow steel pipe, the lock rod cannot be separated from the lock fork or lock, and convenience in assembling, operation and use is realized.
Description
[technical field]
The present invention relates to lockset, particularly relate to automobile anti-theft lock, relate in particular to the locking bar length adjustment device for automobile anti-theft lock.
[background technology]
The locking bar control apparatus that prior art is used for automobile steering lock is that the sleeve hole that will lock fork or lock body is provided with internal thread hole, locking bar be provided with this sleeve hole within the adaptive outside thread of tapped bore, this structure can reach the purpose of regulating locking bar length, but this structure has following weak point:
(1) when regulating locking bar length, it is exposed outside that outside thread on the locking bar has part, this exposed locking bar outside thread becomes easily infected by booties such as dust, particularly generally can scribble lubricating oil on the outside thread, more become easily infected by dust and booty, not only influence attractive in appearance, and after bringing in the sleeve hole of lock fork or lock body, influence that the locking bar outside thread is pitched with lock or lock body within the engagement of tapped bore;
(2) user's inconvenient operation: because when regulating locking bar length, it is exposed outside that the outside thread on the locking bar has part, when the user regulated, hand can be run into exposed locking bar outside thread, causes feel bad, can press against hand; And generally can scribble lubricating oil on the outside thread, when regulating locking bar, user's hand is stained with lubricating oil easily, and is dirty;
(3) if locking bar always towards the exit axis rotation, is locked fork or lock body and can be dropped from locking bar, the user must ressemble, and will cause the user to use inconvenience like this.
The applicant's Chinese utility model patent " a kind of locking bar control apparatus ", June 3 2004 applying date, application number 200420067910.3, this patent disclosure screw rod is embedded in the sleeve hole bottom of lock fork or lock body, locking bar is made hollow tubular and is provided with the negative thread that mates with screw rod, when the rotation locking bar is regulated length, the locking bar of hollow tubular is in screw rod rotation and move axially, that is locking bar rotation and moving axially in the sleeve hole of lock fork or lock body, thereby reach the purpose of regulating locking bar length; This locking bar control apparatus is hidden in screw rod in the sleeve hole of lock fork or lock body, and exposed screw rod is can't see on the surface of lock; But the prior art " a kind of locking bar control apparatus " has following weak point:
1. can not be applied to through-hole type lock fork or the lock body of sleeve hole both ends open, because " bottom " that through-hole type lock fork or lock body are not inlayed for screw rod;
2. the locking bar resistance of failure of hollow tubular is lower, but can not adopt the higher solid rod iron of resistance of failure to do locking bar;
If 3. locking bar is always towards the exit axis rotation, lock fork or lock body can drop from locking bar, and the user must ressemble, and will cause the user to use inconvenience like this.
[summary of the invention]
The technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and a kind of screw thread built-in lock post adjustment mechanism is provided, both can be applied to through-hole type lock fork or the lock body of sleeve hole both ends open, and can be applied to sleeve hole again and have only an end open lock fork or lock body; Locking bar both can adopt solid rod iron, can adopt hollow steel pipe again; When the user operated, locking bar can not separate with lock fork or lock body, and the outside thread head on the locking bar can not expose outside the sleeve hole of described lock fork or lock body; This locking bar control apparatus assembling, operation and use are all very convenient, and the length that can regulate locking bar exactly at random.
The technical scheme that the present invention solve the technical problem employing is:
A kind of screw thread built-in lock post adjustment mechanism is provided, is used for lockset, lock especially for automobile burglar, comprise locking bar, and lock fork or lock body; Be provided with sleeve hole in described lock fork or the lock body; Described sleeve hole comprises internal thread hole; Described locking bar one end be provided with described sleeve hole within the adaptive outside thread head of tapped bore, and also comprise bar portion, the outside maximum gauge of this bar portion is less than the footpath, the end of described outside thread head; Described locking bar and described lock are pitched in the internal thread hole engagement of the sleeve hole by the outside thread head on the described locking bar and described lock fork or lock body or lock body is assembled together, and by this outside thread head in the internal thread hole inward turning of the sleeve hole of described lock fork or lock body then make described locking bar in described lock fork or lock body, move axially, thereby make the length of described locking bar in described lock fork or lock body adjusted.
Described locking bar control apparatus also comprises and is arranged on described lock fork or the lock body, prevents that described locking bar from separating with described lock fork or lock body and come off and prevent that the outside thread head on the described locking bar from exposing the outer position limiting structure of sleeve hole of described lock fork or lock body, to the stopping of threaded end outside the described locking bar end, guarantee that the outside thread head of described locking bar end is all the time all in the sleeve hole of described lock fork or lock body by this position limiting structure.
When described sleeve hole was the through hole of both ends open, this sleeve hole also comprised first unthreaded hole and second unthreaded hole; Described internal thread hole is arranged on the stage casing of described sleeve hole, and described first unthreaded hole and second unthreaded hole lay respectively at the both sides of described internal thread hole; Footpath, the end of tapped bore is greater than the internal diameter of first unthreaded hole of this sleeve hole within the described sleeve hole, and the internal diameter of second unthreaded hole of described sleeve hole is more than or equal to the nominal diameter of tapped bore within this sleeve hole; The bar portion of described first unthreaded hole and described locking bar is bearing fit; Like this, first unthreaded hole and just constitute with the aperture difference of described internal thread hole and to prevent that described locking bar from separating with described lock fork or lock body and come off and prevent that outside thread head on the described locking bar from exposing the outer position limiting structure of the sleeve hole of described lock fork or lock body.
Described screw thread built-in lock post adjustment mechanism also comprises second blanking cover, and this second blanking cover is fixed in second unthreaded hole of described sleeve hole, with described sleeve hole one end sealing.
Or described sleeve hole also comprises first unthreaded hole, is positioned at the open end of this sleeve hole, and is adjacent with described internal thread hole; The internal diameter of described first unthreaded hole is more than or equal to the nominal diameter of tapped bore within this sleeve hole; Described position limiting structure is the lining that there is axially extending bore in central authorities, and this lining is fixed in first unthreaded hole of described sleeve hole, and the bar portion of its axially extending bore and described locking bar is bearing fit, and the internal diameter of this axially extending bore is less than the footpath, the end of described internal thread hole; This position limiting structure prevents not only that described locking bar from separating with described lock fork or lock body and comes off, can also prevent that the outside thread head of described locking bar end from exposing outside the sleeve hole of described lock fork or lock body.
Or described sleeve hole also comprises first unthreaded hole, is positioned at the open end of this sleeve hole, and is adjacent with described internal thread hole; The internal diameter of described first unthreaded hole is more than or equal to the nominal diameter of tapped bore within this sleeve hole; Described position limiting structure is the back-up ring that there is axially extending bore in central authorities; The described first unthreaded hole inwall is provided with for described back-up ring and snaps in a fixing circle inner groovy, this back-up ring fixedly is stuck in the inner groovy of described first unthreaded hole, the bar portion of its axially extending bore and described locking bar is bearing fit, and the internal diameter of this axially extending bore is less than the footpath, the end of described internal thread hole; This position limiting structure prevents not only that described locking bar from separating with described lock fork or lock body and comes off, can also prevent that the outside thread head of described locking bar end from exposing outside the sleeve hole of described lock fork or lock body.
Or described position limiting structure is first blanking cover that there is axially extending bore in central authorities, and this first blanking cover is fixed on described lock fork or lock body open end, and its axially extending bore of assembling back is connected with the sleeve hole of described lock fork or lock body and is total to central axis; The bar portion of the axially extending bore of described first blanking cover and described locking bar is bearing fit, and the internal diameter of this axially extending bore is less than the footpath, the end of described internal thread hole; This position limiting structure prevents not only that described locking bar from separating with described lock fork or lock body and comes off, can also prevent that the outside thread head of described locking bar end from exposing outside the sleeve hole of described lock fork or lock body.
Being shaped as of the described first blanking cover vertical section "] ", comprise circular arc sidewall and flat bottoms; The circular arc side wall inner surfaces that described lock fork or lock body open end outside face are provided with described first blanking cover is friction tight shoulder; The axially extending bore of described first blanking cover is arranged on described flat bottoms central authorities; By the circular arc sidewall of described first blanking cover and the shoulder of described lock fork or lock body, described first blanking cover is fixed on described lock fork or the lock body.
Or described lock fork or lock body are provided with the pin-and-hole that communicates with described sleeve hole near the end sidewalls of its sleeve hole; Described position limiting structure is spacing bearing pin, this spacing bearing pin is fixed in the pin-and-hole of described lock fork or lock body, part just stops moving axially of threaded end outside the described locking bar end from the communicate described spacing bearing pin that exposes of described sleeve hole, and guarantees that the bar portion of described locking bar passes.
Described outside thread head and described locking bar comprise two parts at least, and this outside thread head is fixed on an end of the bar portion of described locking bar.Described outside thread head and the fixed form of described locking bar comprise be threaded fixing, pin is fixed, be adhesively fixed, riveted and fixed or any one fixing mode of welding is fixed or more than one mode is fixing simultaneously.
Or described outside thread head and described locking bar are formed in same the integral body on the material, namely are same parts, and this outside thread head is directly to be processed to form in an end of described locking bar.
The outside face of the bar portion of described locking bar is provided with the axial location groove; Described lock fork or lock body are provided with tapped bore near the end sidewalls of first unthreaded hole of its sleeve hole; Holding screw is screwed into from the tapped bore of described lock fork or lock body, and its head withstands on the bottom of axial location groove of the bar portion of described locking bar, and the described locking bar that adjusting puts in place is fixed, and it can not be rotated and move axially again.
Or the outside face of the bar portion of described locking bar is provided with the axial location groove; Described lock fork or lock body are provided with tapped bore near the end sidewalls of first unthreaded hole of its sleeve hole; Described sleeve outer surface is provided with the straight hole perpendicular and that connect with this axially extending bore with described axially extending bore line of centers; Holding screw is screwed into from the tapped bore of described lock fork or lock body, pass through the straight hole of described lining after, its head withstands on the bottom of axial location groove of the bar portion of described locking bar, and the described locking bar that adjusting puts in place is fixed, and it can not be rotated and move axially again.
Compare with prior art, the beneficial effect of screw thread built-in lock post adjustment mechanism of the present invention is:
1, operation and very easy to use, locking bar can not separate with lock fork or lock body and comes off: the outside thread head is located at locking bar one end, form the stepped shaft shoulder with the polished rod position of the locking bar other end, be screwed in the sleeve hole of lock fork or lock body, because the shutoff of the position limiting structures such as first unthreaded hole, lining, back-up ring or first blanking cover in footpath at the bottom of having internal diameter less than internal thread hole on lock fork or the lock body, locking bar is limited at the interior rotation of finite length of screw thread within lock fork or the lock body and moves axially, user operation and when using, locking bar can not separate with lock fork or lock body and come off;
2, since described position limiting structure prevent not only that described locking bar from separating with described lock fork or lock body and come off, even the outside thread head that can also prevent described locking bar end exposes outside the sleeve hole of described lock fork or lock body, like this, become easily infected by booty such as dust with regard to the exposed locking bar outside thread that similar prior art can not occur and influence attractive in appearance and influence that the locking bar outside thread is pitched with lock or lock body within the drawback of engagement of tapped bore;
3, operation and very easy to use: because locking bar has only the end to be provided with the outside thread head, this locking bar expose the sleeve hole of described lock fork or lock body outer be the bar portion of light light, when the user regulated, good hand touch can not pressed against hand;
4, both can be applied to through-hole type lock fork or the lock body of sleeve hole both ends open, can be applied to sleeve hole again and have only an end open lock fork or lock body;
5, because the sleeve hole of a lock fork or lock body has been made the structure of internal thread hole, locking bar both can adopt solid rod iron, can adopt hollow steel pipe again;
6, the locking bar end is provided with the outside thread head, the position that is adjacent is the bar portion of light light, the outside maximum gauge of this bar portion is less than the footpath, the end of described outside thread head, thereby form shaft shoulder structure, during with the sleeve hole assembling of the through-hole type of corresponding lock fork or lock body, the outside thread head of locking bar can be considered to enter from arbitrary end of the sleeve hole of lock fork or lock body, assembles also very convenient;
7, because locking bar is pitched with lock or the regulative mode of the adjusting employing screw-threaded engagement of the sleeve hole of lock body, the length that just can regulate locking bar exactly at random.
[description of drawings]
Fig. 1 is the main cross-sectional schematic of looking of orthogonal projection of screw thread built-in lock post adjustment mechanism embodiment one of the present invention;
Fig. 2 is the main cross-sectional schematic of looking of orthogonal projection after Fig. 1 locking bar control apparatus decomposes;
Fig. 3 is the axonometric projection scheme drawing after described locking bar control apparatus (embodiment one) decomposes, and in order to watch conveniently, the sleeve hole 11 of lock fork 10 has been cut a part;
Fig. 4 is the main cross-sectional schematic of looking of the orthogonal projection of described locking bar control apparatus embodiment two;
Fig. 5 is the main cross-sectional schematic of looking of orthogonal projection after Fig. 4 locking bar control apparatus decomposes;
Fig. 6 is the axonometric projection scheme drawing after described locking bar control apparatus (embodiment two) decomposes, in order to watch conveniently, lock fork 10 ' sleeve hole 11 ' also cut a part;
Fig. 7 is the main cross-sectional schematic of looking of the orthogonal projection of described locking bar control apparatus embodiment three;
Fig. 8 is the main cross-sectional schematic of looking of orthogonal projection after Fig. 7 locking bar control apparatus decomposes;
Fig. 9 is the main cross-sectional schematic of looking of orthogonal projection after the decomposition of described locking bar control apparatus embodiment four;
Figure 10 is the main cross-sectional schematic of looking of orthogonal projection after the decomposition of described locking bar control apparatus embodiment five;
Figure 11 is the main cross-sectional schematic of looking of orthogonal projection after the decomposition of described locking bar control apparatus embodiment six;
Figure 12 is the main cross-sectional schematic of looking of orthogonal projection after the decomposition of described locking bar control apparatus embodiment seven;
Figure 13 is the cross-sectional schematic of the C-C of Figure 12;
Figure 14 is the main cross-sectional schematic of looking of orthogonal projection after the decomposition of described locking bar control apparatus embodiment eight;
Figure 15 is the main cross-sectional schematic of looking of orthogonal projection of locking bar and the outside thread head embodiment of described locking bar control apparatus, and this locking bar and outside thread head are two independent parts, fit together mutually;
Figure 16 is the main cross-sectional schematic of looking of orthogonal projection of locking bar and another embodiment of outside thread head of described locking bar control apparatus, and locking bar adopts hollow steel pipe, and this outside thread head is directly to process at locking bar;
Figure 17 is the main cross-sectional schematic of looking of orthogonal projection of locking bar and the another embodiment of outside thread head of described locking bar control apparatus, and locking bar adopts solid rod iron, and its head is provided with blind hole 28, and this outside thread head is directly to process at locking bar;
Figure 18 is the main cross-sectional schematic of looking of orthogonal projection of the lining of described locking bar control apparatus.
Each label title is as follows among each figure:
10 or 10 ' be the lock fork, 10A or 10A ' they are lock bodies, 11 or 11 ' be sleeve hole, the 111st, internal thread hole, 112 is first unthreaded holes, 113 is second unthreaded holes, the 12nd, tapped bore, 18 or 18 ' be pin-and-hole, the 19th, shoulder;
The 20th, locking bar, the 22nd, bar portion, the 221st, positioning groove; The 222nd, fixing internal thread hole, the 225th, fixing blind hole, the 23rd, locking bar end, the 25th, crank, the 27th, mount post, the 28th, blind hole;
The 30th, outside thread head, the 31st, standing screw, the 32nd, flat recess, the 35th, fixed leg;
The 40th, back-up ring;
The 50th, holding screw;
60 is second blanking covers;
The 70th, lining, the 71st, axially extending bore, the 72nd, straight hole, the 73rd, chamfering awl stomidium;
The 80th, pin, the 85th, pin, 88 or 88 ' be spacing bearing pin;
90 is first blanking covers, the 91st, and axially extending bore, the 92nd, straight hole.
[specific embodiment]
Below in conjunction with each accompanying drawing the present invention is described in further detail.
Referring to Fig. 1 to Figure 11, a kind of screw thread built-in lock post adjustment mechanism is used for lockset, locks especially for automobile burglar, comprises locking bar 20, and lock fork 10,10 ' or lock body 10A, 10A '; Described lock fork 10,10 ' or lock body 10A, 10A ' in be provided with sleeve hole 11,11 '; Described sleeve hole 11,11 ' comprise internal thread hole 111; Described locking bar 20 1 ends be provided with described sleeve hole 11,11 ' within the adaptive outside thread head 30 of tapped bore 111, and also comprise bar portion 22, the outside maximum gauge of this bar portion 22 is less than the footpath, the end of described outside thread head 30; By the outside thread head 30 on the described locking bar 20 and described lock fork 10,10 ' or lock body 10A, the sleeve hole 11 of 10A ', 11 ' internal thread hole 111 engagement and make described locking bar 20 and described lock fork 10,10 ' or lock body 10A, 10A ' is assembled together, and by this outside thread head 30 at described lock fork 10,10 ' or lock body 10A, the sleeve hole 11 of 10A ', 11 ' internal thread hole 111 inward turnings then make described locking bar 20 at described lock fork 10,10 ' or lock body 10A, move axially in the 10A ', thereby make described locking bar 20 at described lock fork 10,10 ' or lock body 10A, the interior length of 10A ' is adjusted.Described locking bar control apparatus comprises that also being arranged on described lock pitches 10,10 ' or lock body 10A, on the 10A ', prevent described locking bar 20 and described lock fork 10,10 ' or lock body 10A, 10A ' separation comes off and prevents that the outside thread head 30 on the described locking bar 20 from exposing described lock fork 10,10 ' or lock body 10A, the sleeve hole 11 of 10A ', 11 ' outer position limiting structure, to the stopping of threaded end 30 outside described locking bar 20 ends, guarantee that the outside thread head 30 of described locking bar 20 ends is all the time all at described lock fork 10 by this position limiting structure, 10 ' or lock body 10A, the sleeve hole 11 of 10A ', 11 ' in.
Embodiment one:
Referring to Fig. 1 to Fig. 3, the described locking bar control apparatus of present embodiment comprises locking bar 20, is provided with lock fork 10 and second blanking cover 60 of sleeve hole 11; Described sleeve hole 11 is through holes of both ends open, the sleeve hole 11 of this through-hole type comprises the internal thread hole 111 in stage casing, first unthreaded hole 112 of right-hand member and second unthreaded hole 113 of left end, the footpath, the end of internal thread hole 111 is greater than the internal diameter of first unthreaded hole 112, the internal diameter of second unthreaded hole 113 is more than or equal to the nominal diameter of internal thread hole 111, internal thread hole 111, first unthreaded hole 112 and second unthreaded hole 113 be central axis altogether, internal thread hole 111 like this, first unthreaded hole 112 and second unthreaded hole 113 form stepped hole, first unthreaded hole 112 and just constitute with the aperture difference of described internal thread hole 111 and to prevent that described locking bar 20 and described lock fork 10 from separating the position limiting structure that comes off, this position limiting structure can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described lock fork 10.Described locking bar 20 adopts solid round steel, one end (being left end) be provided with described sleeve hole within the adaptive outside thread head 30 of tapped bore 111, the right-hand member of this locking bar 20 is the bar portions 22 that are bearing fit with first unthreaded hole 112 of described sleeve hole 11, the footpath, the end of outside thread head 30 is greater than the outside maximum gauge of bar portion 22, outside thread head 30 and bar portion 22 form the step axle like this, namely form shaft shoulder structure.
During assembling, bar portion 22 right-hand members of locking bar 20 pierce into the back from second unthreaded hole 113 of sleeve hole 11 left ends of lock fork 10 and pass from first unthreaded hole 112 of right-hand member, and the outside thread head 30 by locking bar 20 left ends is assembled together with internal thread hole 111 engagements of the sleeve hole 11 of lock fork 10 and with locking bar 20 and lock fork 10; The bar portion 22 of locking bar 20 is bearing fit with first unthreaded hole 112 of the sleeve hole 11 of lock fork 10, second unthreaded hole 113 of the external diameter of described second blanking cover 60 and described sleeve hole 11 can be interference or transition fit, the mode that can adopt bonding, rivet clasp or pin to reinforce is fixed in second unthreaded hole 113 of described sleeve hole 11 described second blanking cover 60, thereby with described sleeve hole 11 left ends sealing, also can adopt other part that described sleeve hole 11 left ends are sealed.First unthreaded hole 112 of described sleeve hole 11 can remain on the bar portion 22 of locking bar 20 with the internal thread hole 111 of sleeve hole 11 coaxial and not crooked.
By the outside thread head 30 of described locking bar 20 in internal thread hole 111 inward turnings of the sleeve hole 11 of described lock fork 10 then make described locking bar 20 in described lock fork 10, move axially, thereby make the length of described locking bar 20 in described lock fork 10 adjusted; The stroke of described locking bar 20 is limited in the effective length of tapped bore 111 within the described sleeve hole 11; Because footpath, the end of the outside thread head 30 of described locking bar 20 can not screw out to the right greater than the internal diameter of first unthreaded hole 112 of described sleeve hole 11, therefore described locking bar 20 can not separate with described lock fork 10, and the outside thread head 30 of described locking bar 20 ends can not expose outside the sleeve hole 11 of described lock fork 10, thereby the outside thread head 30 that guarantees described locking bar 20 ends is all the time all in the sleeve hole 11 of described lock fork 10; In the present embodiment, described position limiting structure is that described first unthreaded hole 112 and the outside thread head 30 that guaranteed described locking bar 20 ends with the aperture difference of described internal thread hole 111 thereof are all the time all within described lock fork 10 in the tapped bore 111.
Can also make chamfering awl end to circle in the right-hand member of described second blanking cover 60, when the outside thread head 30 of described locking bar 20 rotates to high order end, the first button screw thread of described outside thread head 30 can enter the chamfering awl end of described second blanking cover 60 and be stuck, and makes described outside thread head 30 can not continue to move to left.
In addition, optionally can axial location groove 221 be set at the outside face of the bar portion 22 of described locking bar 20, and near the end sidewalls of first unthreaded hole 112 of its sleeve holes 11 tapped bore 12 be set at described lock fork 10; Holding screw 50 is screwed into from the tapped bore 12 of described lock fork 10, and its head withstands on the bottom of axial location groove 221 of the bar portion 22 of described locking bar 20, and the described locking bar 20 that adjusting puts in place is fixing, and it can not be rotated and move axially again.
Described outside thread head 30 and the described locking bar 20 of present embodiment are formed in same the integral body on the material, namely are same parts, and this outside thread head 30 is directly to be processed to form in an end of described locking bar 20.As shown in figure 17, can blind hole 28 be set at locking bar 20 left ends of solid round steel, make the external diameter of this locking bar 20 increase the back expansion of the mouth of pipe of locking bar 20 left ends and form step, the outside thread head 30 that step is made concentricity axis gets final product again.
Certainly the described outside thread head 30 of present embodiment also can be two parts with described locking bar 20, and this outside thread head 30 is fixed on an end of the bar portion 22 of described locking bar 20.
Embodiment two:
Referring to Fig. 4 to Fig. 6 and Figure 18, present embodiment is identical with embodiment one principle, and in order to represent the difference with embodiment one, described lock fork is with label 10 ' represent, and its sleeve hole is with label 11 ' represent.Difference is:
1. described lock fork 10 ' sleeve hole 11 ' be the blind hole of end sealing and other end opening, the sleeve hole 11 of this blind-hole type ' comprise first unthreaded hole 112 of right-hand member, and be arranged on this sleeve hole 11 ' the internal thread hole 111 of bottom (being left end), the internal diameter of described first unthreaded hole 112 is more than or equal to the nominal diameter of tapped bore 111 within this sleeve hole, and this first unthreaded hole 112 also is total to central axis with internal thread hole 111;
2. cancelled second blanking cover 60;
3. described position limiting structure is the lining 70 that there is axially extending bore 71 in central authorities, and this axially extending bore 71 is bearing fit with the bar portion 22 of described locking bar 20, and the internal diameter of this axially extending bore 71 is less than the footpath, the end of described internal thread hole 111; The external diameter of described lining 70 and described sleeve hole 11 ' first unthreaded hole 112 be interference or transition fit, and be fixed on described sleeve hole 11 ' first unthreaded hole 112 in; Described lining 70 outside faces are provided with the straight hole 72 perpendicular and that connect with this axially extending bore 71 with described axially extending bore 71 line of centerss; This position limiting structure prevents that not only described locking bar 20 and described lock fork 10 ' separate from coming off, the outside thread head 30 that can also prevent described locking bar 20 ends expose described lock fork 10 ' sleeve hole 11 ' outer, thereby the outside thread head 30 that guarantees described locking bar 20 ends all the time all described lock fork 10 ' sleeve hole 11 ' in.
During assembling, the outside thread head 30 of described locking bar 20 from described lock fork 10 ' first unthreaded hole 112 of sleeve hole 11 ' right-hand member pierce into, treat the described lock of described outside thread head 30 whole precessions fork 10 ' the internal thread hole 111 of sleeve hole 11 ' left end after, again described lining 70 is inlayed and be fixed on described sleeve hole 11 ' first unthreaded hole 112 in, simultaneously must with the straight hole 72 on described lining 70 outside faces and described lock fork 10 ' sleeve hole 11 ' sidewall on tapped bore 12 aim at, allow holding screw 50 from described lock pitch 10 ' tapped bore 12 can from the straight hole 72 of described lining 70, stretch out after being screwed into.The axially extending bore 71 of described lining 70 can remain on the bar portion 22 of locking bar 20 with the internal thread hole 111 of sleeve hole 11 coaxial and not crooked.
By the outside thread head 30 of described locking bar 20 described lock fork 10 ' sleeve hole 11 ' internal thread hole 111 inward turnings then make described locking bar 20 described lock fork 10 ' in move axially, thereby make described locking bar 20 adjusted in the length of described lock fork 10 ' interior; The stroke of described locking bar 20 be limited at described sleeve hole 11 ' within the effective length of tapped bore 111; Because footpath, the end of the outside thread head 30 of described locking bar 20 is greater than the internal diameter of the axially extending bore 71 of described lining 70, can not be screwed out to the right by these lining 70 shutoff, therefore described locking bar 20 not can with described lock fork 10 ' separate, the outside thread head 30 of described locking bar 20 ends can not expose yet described lock fork 10 ' sleeve hole 11 ' outer, thereby the outside thread head 30 that guarantees described locking bar 20 ends all the time all described lock fork 10 ' sleeve hole 11 ' in.
Can also make chamfering awl end 73 to circle in the left end of the axially extending bore 71 of described lining 70, when the outside thread head 30 of described locking bar 20 rotates to low order end, the first button screw thread of described outside thread head 30 can enter the chamfering awl end 73 of described lining 70 and be stuck, and makes described outside thread head 30 can not continue to move to right.
The mode that described lining 70 can adopt bonding, riveted joint or break pin be fixed on described sleeve hole 11 ' first unthreaded hole 112 in.
Same with embodiment one, optionally can axial location groove 221 be set at the outside face of the bar portion 22 of described locking bar 20, and described lock fork 10 ' near its sleeve hole 11 ' the end sidewalls of first unthreaded hole 112 tapped bore 12 is set; Holding screw 50 is screwed into from the tapped bore 12 of described lock fork or lock body, and after passing through the straight hole 72 of described lining 70, its head withstands on the bottom of axial location groove 221 of the bar portion 22 of described locking bar 20, and the described locking bar 20 that adjusting puts in place is fixing, and it can not be rotated and move axially again.
Embodiment three:
Referring to Fig. 7 and Fig. 8, present embodiment and embodiment one are basic identical, and difference is:
1. replace lock fork 10 with lock body 10A;
2. described locking bar 20 also comprises the locking bar afterbody 23 that right-hand member is connected with bar portion 22, and the external diameter of this locking bar afterbody 23 is bigger, and it is greater than the internal diameter of first unthreaded hole 112 of the sleeve hole 11 of described lock body 10A; And bar portion 22 length of described locking bar 20 can be done shortly, correspondingly, the length of the internal thread hole 111 of the sleeve hole 11 of described lock body 10A also can arrange short; Bar portion 22 left ends of described locking bar 20 are provided with fixedly internal thread hole 222;
3. described outside thread head 30 is two parts with described locking bar 20, adopts and separates assembled construction; Wherein, described outside thread head 30 left ends are provided with the flat recess 32 of twisting for screwdriver, also can be cross recess or interior hex slot, the standing screw 31 that the fixedly internal thread hole 222 of the bar portion 22 of the protruding and described locking bar 20 of its right-hand member is adaptive, the nominal diameter of this standing screw 31 is littler than footpath, the end of described outside thread head 30, and also the external diameter than the bar portion 22 of described locking bar 20 is little;
4. cancelled second blanking cover 60;
During assembling, the bar portion 22 of described locking bar 20 is pierced into from first unthreaded hole 112 of sleeve hole 11 right-hand members of described lock body 10A, second unthreaded hole 113 of described outside thread head 30 from sleeve hole 11 left ends of described lock body 10A pierced into, with screwdriver the standing screw 31 of described outside thread head 30 right-hand members is screwed in the fixedly internal thread hole 222 of bar portion 22 right-hand members of described locking bar 20 fixing, also can adopt screw thread glue to fix simultaneously, described locking bar 20 is assembled together with lock body 10A with internal thread hole 111 engagements of the sleeve hole 11 of lock body 10A by this outside thread head 30; The bar portion 22 of locking bar 20 is bearing fit with first unthreaded hole 112 of the sleeve hole 11 of lock body 10A.First unthreaded hole 112 of described sleeve hole 11 can remain on the bar portion 22 of locking bar 20 with the internal thread hole 111 of sleeve hole 11 coaxial and not crooked.
By the outside thread head 30 of described locking bar 20 in internal thread hole 111 inward turnings of the sleeve hole 11 of described lock body 10A then make described locking bar 20 in described lock body 10A, move axially, thereby make the length of described locking bar 20 in described lock body 10A adjusted; The stroke of described locking bar 20 is limited in the effective length of tapped bore 111 within the described sleeve hole 11; Because footpath, the end of the outside thread head 30 of described locking bar 20 can not screw out to the right greater than the internal diameter of first unthreaded hole 112 of described sleeve hole 11, therefore described locking bar 20 can not separate with described lock body 10A, and the outside thread head 30 of described locking bar 20 ends also can not expose outside the sleeve hole 11 of described 10A, thereby the outside thread head 30 that guarantees described locking bar 20 ends is all the time all in the sleeve hole 11 of described 10A; In the present embodiment, described position limiting structure is that described first unthreaded hole 112 and the outside thread head 30 that guaranteed described locking bar 20 ends with the aperture difference of described internal thread hole 111 thereof are all the time all within described 10A in the tapped bore 111; Even without second blanking cover 60, because the external diameter of the locking bar afterbody 23 of described locking bar 20 right-hand members is greater than the internal diameter of first unthreaded hole 112 of the sleeve hole 11 of described lock body 10A, therefore described locking bar 20 can not screw out left, and separates with described lock body 10A.
Same with embodiment one, optionally also can axial location groove 221 be set at the outside face of the bar portion 22 of described locking bar 20, and near the end sidewalls of first unthreaded hole 112 of its sleeve hole 11 tapped bore 12 be set at described lock body 10A; Holding screw 50 is screwed into from the tapped bore 12 of described lock fork or lock body, and its head withstands on the bottom of axial location groove 221 of the bar portion 22 of described locking bar 20, and the described locking bar 20 that adjusting puts in place is fixing, and it can not be rotated and move axially again.
Embodiment four:
Referring to Fig. 9 and Figure 18, present embodiment and embodiment three are basic identical, and difference is:
1. described position limiting structure is the lining 70 that there is axially extending bore 71 in central authorities, and this axially extending bore 71 is bearing fit with the bar portion 22 of described locking bar 20, and the internal diameter of this axially extending bore 71 is less than the footpath, the end of described internal thread hole 111; The external diameter of described lining 70 and described sleeve hole 11 ' first unthreaded hole 112 be interference or transition fit, and be fixed on described sleeve hole 11 ' first unthreaded hole 112 in; Described lining 70 outside faces are provided with the straight hole 72 perpendicular and that connect with this axially extending bore 71 with described axially extending bore 71 line of centerss; This position limiting structure prevents not only that described locking bar 20 from separating with described lock body 10A and comes off, can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described lock body 10A;
2. the internal diameter of first unthreaded hole 112 of sleeve hole 11 right-hand members of described lock body 10A is more than or equal to the nominal diameter of the internal thread hole 111 in sleeve hole 11 stage casings of described lock body 10A;
3. crank 25 has replaced the locking bar afterbody 23 of described locking bar 20, and this crank 25 is connected with the bar portion 22 right-hand members bending of described locking bar 20;
4. described outside thread head 30 also is two parts with described locking bar 20, also be to adopt to separate assembled construction, but fixed form is different; Wherein, the protruding fixed leg 35 of described outside thread head 30 right-hand members, the external diameter of this fixed leg 35 is littler than footpath, the end of described outside thread head 30, and also the external diameter than the bar portion 22 of described locking bar 20 is little; The left end of the bar portion 22 of described locking bar 20 then is to be provided with the fixedly blind hole 225 that is interference or transition fit with described fixed leg 35;
During assembling, earlier lining 70 is passed in the bar portion 22 of described locking bar 20, then the fixed leg 35 of described outside thread head 30 right-hand members is pressed in the fixedly blind hole 225 of bar portion 22 left ends of described locking bar 20, with pin 80 both are fixed in case of necessity, also can also adopt bonding, the technology mode of riveted joint or welding is fixed, again the outside thread head 30 of described locking bar 20 first unthreaded hole 112 from sleeve hole 11 right-hand members of described lock body 10A is pierced into, after treating the internal thread hole 111 in sleeve hole 11 stage casings of the described lock body 10A of outside thread head 30 whole precessions, again described lining 70 is inlayed and be fixed in first unthreaded hole 112 of sleeve hole 11 right-hand members of described lock body 10A, the tapped bore 12 on sleeve hole 11 sidewalls of the straight hole 72 on described lining 70 outside faces and described lock body 10A must be aimed at simultaneously, holding screw 50 can be stretched out from the straight hole 72 of described lining 70 after the tapped bore 12 of described lock body 10A is screwed into.The axially extending bore 71 of described lining 70 can remain on the bar portion 22 of locking bar 20 with the internal thread hole 111 of described sleeve hole 11 coaxial and not crooked.
By the outside thread head 30 of described locking bar 20 in internal thread hole 111 inward turnings of the sleeve hole 11 of described lock body 10A then make described locking bar 20 in described lock body 10A, move axially, thereby make the length of described locking bar 20 in described lock body 10A adjusted; The stroke of described locking bar 20 is limited in the effective length of tapped bore 111 within the described sleeve hole 11; Because footpath, the end of the outside thread head 30 of described locking bar 20 is greater than the internal diameter of the axially extending bore 71 of described lining 70, can not be screwed out to the right by these lining 70 shutoff, therefore described locking bar 20 can not separate with described lock body 10A, the outside thread head 30 of described locking bar 20 ends also can not expose outside the sleeve hole 11 of described lock body 10A, thereby the outside thread head 30 that guarantees described locking bar 20 ends is all the time all in the sleeve hole 11 of described lock body 10A; Even also there is not second blanking cover 60, because described crank 25 is crooked connections with bar portion 22 right-hand members of described locking bar 20, therefore described locking bar 20 can not screw out left, and separates with described lock body 10A.
Same with embodiment three, optionally also can axial location groove 221 be set at the outside face of the bar portion 22 of described locking bar 20, and near the end sidewalls of first unthreaded hole 112 of its sleeve hole 11 tapped bore 12 be set at described lock body 10A; Holding screw 50 is screwed into from the tapped bore 12 of described lock fork or lock body, and after passing through the straight hole 72 of described lining 70, its head withstands on the bottom of axial location groove 221 of the bar portion 22 of described locking bar 20, and the described locking bar 20 that adjusting puts in place is fixing, and it can not be rotated and move axially again.
Embodiment five:
Referring to Figure 10, present embodiment and embodiment one are basic identical, and difference is:
1. replace lock fork 10 with lock body 10A;
2. the internal diameter of first unthreaded hole 112 of sleeve hole 11 right-hand members of described lock body 10A is more than or equal to the nominal diameter of the internal thread hole 111 in sleeve hole 11 stage casings of described lock body 10A;
3. described position limiting structure is the back-up ring 40 that there is axially extending bore in central authorities; Described first unthreaded hole, 112 inwalls are provided with for described back-up ring 40 and snap in a fixing circle inner groovy 1121, this back-up ring 40 fixedly is stuck in the inner groovy 1121 of described first unthreaded hole 112, the bar portion 22 of its axially extending bore and described locking bar 20 is bearing fit, and the internal diameter of this axially extending bore is less than the footpath, the end of described internal thread hole 111; This position limiting structure prevents not only that described locking bar 20 from separating with described lock body 10A and comes off, can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described lock body 10A.
What 4. locking bar 20 adopted is hollow steel pipe.
The length of first unthreaded hole 112 of these sleeve hole 11 right-hand members can design short a bit, and correspondingly design the length of the internal thread hole 111 in described sleeve hole 11 stage casings longer.
Embodiment six:
Referring to Figure 11, present embodiment and embodiment two are basic identical, and difference is:
1. with lock body 10A ' replacements lock pitch 10 ';
2. described position limiting structure is first blanking cover 90 that there is axially extending bore 91 in central authorities, being shaped as of described first blanking cover, 90 vertical sections "] ", comprise circular arc sidewall 93 and flat bottoms 94, the axially extending bore 91 of described first blanking cover 90 is arranged on described flat bottoms 94 central authorities; The axially extending bore 91 of described first blanking cover 90 is bearing fit with the bar portion 22 of described locking bar 20, and the internal diameter of this axially extending bore 91 is less than the footpath, the end of described internal thread hole 111; This position limiting structure prevents not only that described locking bar 20 from separating with described 10A ' and comes off, can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described 10A ';
3. circular arc sidewall 93 inside faces that the sleeve hole 11 of described lock body 10A ' ' all be internal thread hole 111, this lock body 10A ' open end outside face are provided with described first blanking cover 90 are friction tight shoulder 19;
4. by the circular arc sidewall 93 of described first blanking cover 90 and the shoulder 19 of described lock fork or lock body, described first blanking cover 90 is fixed on the described lock body 10A ', with pin or screw both are fixed in case of necessity, also can also adopt the technology mode of bonding, riveted joint or welding to fix; The axially extending bore 91 of described first blanking cover 90 in assembling back and the sleeve hole 11 of described 10A ' ' be connected and common central axis;
Same with embodiment two, optionally can axial location groove 221 be set at the outside face of the bar portion 22 of described locking bar 20, and near its sleeve hole 11 ' end sidewalls tapped bore 12 be set at described lock body 10A '; Circular arc sidewall 93 at described first blanking cover 90 arranges straight hole 92 or tapped bore; Holding screw 50 is screwed into from the tapped bore 12 of described lock fork or lock body, and after passing through the straight hole 92 or tapped bore of described first blanking cover 90, its head withstands on the bottom of axial location groove 221 of the bar portion 22 of described locking bar 20, the described locking bar 20 that adjusting puts in place is fixing, it can not be rotated and move axially again.This holding screw 50 also can play the effect of fixing described first blanking cover 90 simultaneously.
Embodiment seven:
Referring to Figure 12 and Figure 13, present embodiment and embodiment one are basic identical, and difference is:
1. replace lock fork 10 with lock body 10A;
2. the sleeve hole 11 of described lock body 10A comprises internal thread hole 111 and second unthreaded hole 113; This lock body 10A is provided with the pin-and-hole 18 that communicates with tapped bore 111 within the described sleeve hole 11 near the end sidewalls of its sleeve hole 11; The central axis of described pin-and-hole 18 as shown in figure 13 and described lock body 10A differ 90 ° mutually near the space angle of the central axis of the tapped bore 12 on its sleeve hole 11 end sidewalls;
3. described position limiting structure is spacing bearing pin 88, this spacing bearing pin 88 is fixed in the pin-and-hole 18 of described lock fork or lock body, the intermediate portion bit position exposes tapped bore 111 within the sleeve hole 11 of described lock body 10A, the communicate spacing bearing pin 88 that exposes of part tapped bore 111 within the described sleeve hole 11 just stops moving axially of threaded end 30 outside described locking bar 20 ends, and guarantees that the bar portion 22 of described locking bar 20 passes; This position limiting structure prevents not only that described locking bar 20 from separating with described lock body 10A and comes off, can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described lock body 10A.
Embodiment eight:
Referring to Figure 14, present embodiment and embodiment seven are basic identical, and in order to represent the difference with embodiment seven, described pin-and-hole is with label 18 ' represent, and described spacing bearing pin is with label 88 ' represent.Difference is:
Described lock body 10A near the pin-and-hole 18 on the end sidewalls of its sleeve hole 11 ' central axis and close its sleeve hole 11 end sidewalls of described lock body 10A on the space angle of central axis of tapped bore 12 parallel to each other; Described spacing bearing pin 88 ' head expose tapped bore 111 within the sleeve hole 11 of described lock body 10A, communicate spacing bearing pin 88 ' head of exposing of pin-and-hole 18 from the described lock body 10A ' with internal thread hole 111 just stops moving axially of threaded end 30 outside described locking bar 20 ends, and guarantees that the bar portion 22 of described locking bar 20 passes; This position limiting structure prevents not only that described locking bar 20 from separating with described lock body 10A and comes off, can also prevent that the outside thread head 30 of described locking bar 20 ends from exposing outside the sleeve hole 11 of described lock body 10A.
In addition, the locking bar 20 and the outside thread head 30 that separate can also adopt following fixed form: referring to Figure 15, locking bar 20 is prism or cylinder, its left end is provided with mount post 27, the round pie that assembly opening is arranged in the middle of outside thread head 30 is made, this assembly opening and mount post 27 are interference or transition fit, the outside thread head 30 of round pie is fitted on the mount post 27 of locking bar 20 left ends, with pin 85 both are reinforced in case of necessity, also can also adopt the technology mode of bonding, riveted joint or welding to reinforce.
In addition, referring to Figure 16, locking bar 20 also can adopt hollow steel pipe, the bar portion 22 that makes the external diameter of locking bar 20 left ends increase back and right-hand member the expansion of the left end mouth of pipe forms the stepped shaft shoulder, the big step head of left end is processed into outside thread head 30 with the bar portion 22 concentricity axis of right-hand member, and the axial location groove 221 of bar portion 22 outside faces can optionally be processed.
The lock fork 10 of locking bar control apparatus of the present invention, 10 ' or lock body 10A, 10A ', the size of the internal thread hole 111 on it, first unthreaded hole 112 and second unthreaded hole 113, the structure of locking bar 20 and outside thread head 30, and prevent described locking bar 20 and described lock fork 10,10 ' or lock body 10A, 10A ' separate and come off and prevent that outside thread head 30 on the described locking bar 20 from exposing described lock fork 10,10 ' or sleeve hole 11,11 ' outer position limiting structure of lock body 10A, 10A ', can optionally change collocation.
The above embodiment has only expressed preferred implementation of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention; Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents and modifications of doing with claim scope of the present invention all should belong to the covering scope of claim of the present invention.
Claims (12)
1. a screw thread built-in lock post adjustment mechanism is used for lockset, comprises locking bar (20), and lock fork or lock body; Be provided with sleeve hole in described lock fork or the lock body, described sleeve hole comprises internal thread hole (111); It is characterized in that:
Described locking bar (20) one ends be provided with described sleeve hole within the adaptive outside thread head (30) of tapped bore (111), and also comprise bar portion (22), the outside maximum gauge of this bar portion (22) is less than the footpath, the end of described outside thread head (30); Internal thread hole (111) engagement by the outside thread head (30) on the described locking bar (20) and the sleeve hole of described lock fork or lock body is assembled together described locking bar (20) and described lock fork or lock body, and by this outside thread head (30) in internal thread hole (111) inward turning of the sleeve hole of described lock fork or lock body then make described locking bar (20) in described lock fork or lock body, move axially, thereby make the length of described locking bar (20) in described lock fork or lock body adjusted;
Described locking bar control apparatus also comprises and is arranged on described lock fork or the lock body, prevents that described locking bar (20) from separating with described lock fork or lock body and come off and prevent that the outside thread head (30) on the described locking bar (20) from exposing the outer position limiting structure of sleeve hole of described lock fork or lock body, to the stopping of threaded end (30) outside described locking bar (20) end, guarantee that the outside thread head (30) of described locking bar (20) end is all the time all in the sleeve hole of described lock fork or lock body by this position limiting structure.
2. screw thread built-in lock post adjustment mechanism according to claim 1 is characterized in that:
Described sleeve hole is the through hole (11) of both ends open, and this sleeve hole also comprises first unthreaded hole (112) and second unthreaded hole (113); Described internal thread hole (111) is arranged on the stage casing of described sleeve hole, and described first unthreaded hole (112) and second unthreaded hole (113) lay respectively at the both sides of described internal thread hole (111); The footpath, the end of tapped bore within the described sleeve hole (111) is greater than the internal diameter of first unthreaded hole (112) of this sleeve hole, and the internal diameter of second unthreaded hole (113) of described sleeve hole is more than or equal to the nominal diameter of tapped bore (111) within this sleeve hole; Described first unthreaded hole (112) is bearing fit with the bar portion (22) of described locking bar (20); Like this, described first unthreaded hole (112) and just constitute with the aperture difference of described internal thread hole (111) and to prevent that described locking bar (20) from separating with described lock fork or lock body and come off and prevent that outside thread head (30) on the described locking bar (20) from exposing the outer position limiting structure of the sleeve hole of described lock fork or lock body.
3. screw thread built-in lock post adjustment mechanism according to claim 2 is characterized in that:
Also comprise second blanking cover (60), this second blanking cover (60) is fixed in second unthreaded hole (113) of described sleeve hole, with described sleeve hole (11) one ends sealing.
4. screw thread built-in lock post adjustment mechanism according to claim 1 is characterized in that:
Described sleeve hole also comprises first unthreaded hole (112), is positioned at the open end of this sleeve hole, and is adjacent with described internal thread hole (111); The internal diameter of described first unthreaded hole (112) is more than or equal to the nominal diameter of tapped bore (111) within this sleeve hole;
Described position limiting structure is the lining (70) that there are axially extending bore (71) in central authorities, this lining (70) is fixed in first unthreaded hole (112) of described sleeve hole (11), its axially extending bore (71) is bearing fit with the bar portion (22) of described locking bar (20), and the internal diameter of this axially extending bore (71) is less than the footpath, the end of described internal thread hole (111).
5. screw thread built-in lock post adjustment mechanism according to claim 4 is characterized in that:
The outside face of the bar portion (22) of described locking bar (20) is provided with axial location groove (221); Described lock fork or lock body are provided with tapped bore (12) near the end sidewalls of first unthreaded hole (112) of its sleeve hole; Described lining (70) outside face is provided with the straight hole (72) perpendicular and that connect with this axially extending bore (71) with described axially extending bore (71) line of centers; Holding screw (50) is screwed into from the tapped bore (12) of described lock fork or lock body, after passing through the straight hole (72) of described lining (70), its head withstands on the bottom of axial location groove (221) of the bar portion (22) of described locking bar (20), the described locking bar (20) that adjusting puts in place is fixing, it can not be rotated and move axially again.
6. screw thread built-in lock post adjustment mechanism according to claim 1 is characterized in that:
Described sleeve hole also comprises first unthreaded hole (112), is positioned at the open end of this sleeve hole, and is adjacent with described internal thread hole (111); The internal diameter of described first unthreaded hole (112) is more than or equal to the nominal diameter of tapped bore (111) within this sleeve hole;
Described position limiting structure is the back-up ring (40) that there is axially extending bore in central authorities; Described first unthreaded hole (112) inwall is provided with for described back-up ring (40) and snaps in a fixing circle inner groovy (1121), this back-up ring (40) fixedly is stuck in the inner groovy (1121) of described first unthreaded hole (112), the bar portion (22) of its axially extending bore and described locking bar (20) is bearing fit, and the internal diameter of this axially extending bore is less than the footpath, the end of described internal thread hole (111).
7. screw thread built-in lock post adjustment mechanism according to claim 1 is characterized in that:
Described position limiting structure is first blanking cover (90) that there is axially extending bore (91) in central authorities, this first blanking cover (90) is fixed on described lock fork or lock body open end, and assembling its axially extending bore of back (91) is connected with the sleeve hole of described lock fork or lock body and is total to central axis; The axially extending bore (91) of described first blanking cover (90) is bearing fit with the bar portion (22) of described locking bar (20), and the internal diameter of this axially extending bore (91) is less than the footpath, the end of described internal thread hole (111).
8. screw thread built-in lock post adjustment mechanism according to claim 7 is characterized in that:
Being shaped as of described first blanking cover (90) vertical section "] ", comprise circular arc sidewall (93) and flat bottoms (94); Circular arc sidewall (93) inside face that described lock fork or lock body open end outside face are provided with described first blanking cover (90) is friction tight shoulder (19); The axially extending bore (91) of described first blanking cover (90) is arranged on described flat bottoms (94) central authorities; By the circular arc sidewall (93) of described first blanking cover (90) and the shoulder (19) of described lock fork or lock body, described first blanking cover (90) is fixed on described lock fork or the lock body.
9. screw thread built-in lock post adjustment mechanism according to claim 1 is characterized in that:
Described lock fork or lock body are provided with the pin-and-hole (18 or 18 ') that communicates with described sleeve hole near the end sidewalls of its sleeve hole; Described position limiting structure is spacing bearing pin (88 or 88 '), this spacing bearing pin (88 or 88 ') is fixed in the pin-and-hole (18 or 18 ') of described lock fork or lock body, part just stops moving axially of threaded end (30) outside described locking bar (20) end from the communicate described spacing bearing pin (88 or 88 ') that exposes of described sleeve hole, and guarantees that the bar portion (22) of described locking bar (20) passes.
10. according to each described screw thread built-in lock post adjustment mechanism of claim 1～9, it is characterized in that: described outside thread head (30) comprises two parts at least with described locking bar (20), and this outside thread head (30) is fixed on an end of described locking bar (20).
11. screw thread built-in lock post adjustment mechanism according to claim 10 is characterized in that:
Described outside thread head (30) and the fixed form of described locking bar (20) comprise be threaded fixing, pin is fixed, be adhesively fixed, riveted and fixed or any one fixing mode of welding is fixed or more than one mode is fixing simultaneously.
12. according to each described screw thread built-in lock post adjustment mechanism of claim 1～9, it is characterized in that:
Described outside thread head (30) is formed in same the integral body on the material with described locking bar (20), and this outside thread head (30) is directly to be processed to form in an end of described locking bar (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102733920A CN102383674B (en) | 2010-09-06 | 2010-09-06 | Thread-concealed type lock rod adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102733920A CN102383674B (en) | 2010-09-06 | 2010-09-06 | Thread-concealed type lock rod adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102383674A CN102383674A (en) | 2012-03-21 |
| CN102383674B true CN102383674B (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102733920A Expired - Fee Related CN102383674B (en) | 2010-09-06 | 2010-09-06 | Thread-concealed type lock rod adjusting device |
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| CN (1) | CN102383674B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627096A (en) * | 2012-04-17 | 2012-08-08 | 罗甘 | Vehicle steering wheel spoke lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709258Y (en) * | 2004-06-03 | 2005-07-13 | 罗士中 | Lock rod regulating device |
| CN2846640Y (en) * | 2005-12-23 | 2006-12-13 | 陈文钊 | Electric control pull fork for lock |
| CN101624039A (en) * | 2009-08-03 | 2010-01-13 | 罗士中 | Retractable vehicle steering lock |
| CN201794397U (en) * | 2010-09-06 | 2011-04-13 | 罗士中 | Thread-hidden lock bar adjustment device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002104261A (en) * | 2001-07-13 | 2002-04-10 | Hideaki Takahata | Antitheft locking device to make handle impossible to rotate |
| JP3900406B2 (en) * | 2001-10-19 | 2007-04-04 | ヤマハ発動機株式会社 | Body front structure in saddle riding type vehicle |
-
2010
- 2010-09-06 CN CN2010102733920A patent/CN102383674B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709258Y (en) * | 2004-06-03 | 2005-07-13 | 罗士中 | Lock rod regulating device |
| CN2846640Y (en) * | 2005-12-23 | 2006-12-13 | 陈文钊 | Electric control pull fork for lock |
| CN101624039A (en) * | 2009-08-03 | 2010-01-13 | 罗士中 | Retractable vehicle steering lock |
| CN201794397U (en) * | 2010-09-06 | 2011-04-13 | 罗士中 | Thread-hidden lock bar adjustment device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2002-104261A 2002.04.10 |
| JP特开2003-127927A 2003.05.08 |
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Owner name: SHENZHEN AOQI LOCK INDUSTRY CO., LTD. Free format text: FORMER OWNER: LUO SHIZHONG Effective date: 20140514 |
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Effective date of registration: 20140514 Address after: Guangdong city of Shenzhen province Baoan District 518101 Yuan Road southeast side of 28 zone Tuopu Industrial Zone Building five floor Patentee after: Shenzhen Aoqi locks Co. Ltd. Address before: Shenzhen City, Guangdong Province Jian Road 518101 Baoan District District 34 building C2 No. 201 Xuan yaho Patentee before: Luo Shizhong |
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