A kind of fastening assembly
Technical field
The present invention relates to a kind of fastening assembly.
Background technique
In the existing technology; In the time need the object of column being fixed on the other assembly, tend to adopt screw bolt and nut to accomplish connection, for example move door and hang folding door existing hanging; The door main body majority is connected with the top sheave group through screw bolt and nut; The installation process operation is comparatively difficult like this, and needs a plurality of people to cooperate simultaneously and could accomplish, and has very big inconvenience.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides a kind of fastening assembly, so that assembling is simple more, packaging efficiency is higher.
A kind of fastening assembly; Comprise first cramp, second cramp and elastic force apparatus; Be respectively equipped with the first relative recess and second recess on said first cramp and the second cramp limit; Said elastic force apparatus acts on and first recess and second recess is close to each other form a through hole, and when greater than the object of said through hole during through said through hole, the elastic force that object overcomes elastic force apparatus makes first cramp and second cramp on the contrary to motion.
Like this, the object of similar boss (boss base at front end boss head in the rear end) is inserted this fastening assembly, when the boss base passes the fastening assembly; The boss base promotes first cramp and second cramp and the elastic force that overcomes elastic force apparatus is separated first cramp and second cramp; Thereby the boss base can be through the space between first recess and second recess, and after the boss base passed through fully, the boss head got between first recess and second recess; Because the diameter of boss head is less than the size of the through hole of first recess and the formation of second recess; First cramp and second cramp are at the elastic force effect of the elastic force apparatus state that is close to mutually of complex phase next time, and at this moment, the boss base is stuck in the surface of first cramp and second cramp; Pullling the object of similar boss downwards can not pull out object, thereby plays the effect of fastening.
Preferably; Also comprise columnar jacking block; The outer surface of said jacking block is provided with eccentric arc convex; Thickness along the said arc convex of circumferencial direction of said jacking block outer surface to said jacking block outer surface increases gradually, the through hole of formation when the through hole of said jacking block is close to greater than said first recess and second recess, and the surface of said first cramp and second cramp is provided with the cramp convexity; Said jacking block is arranged on the surface of said first cramp and second cramp, and said jacking block rotates the drive arc convex and promotes said cramp convexity and make said first cramp and second cramp on the contrary to motion.
The rotation jacking block; When the cramp convexity contacts with the bigger place of arc convex thickness gradually; First cramp and second cramp overcome the elastic force of elastic force apparatus and first cramp and second cramp are separated under the thrust of jacking block; Thereby can be with being extracted by the object net boss head direction of the similar boss of fastening, dismounting is simple.
Preferably, the surface that contacts with said cramp convexity to the maximum end of the thickness of said jacking block outer surface of said arc convex is provided with outstanding block.
Withstood by two cramp convexities when jacking block turns to maximum angle like this, avoid jacking block to surpass angle and make first cramp and second cramp reply original position.
Preferably; Also comprise the fastening base; Said elastic force apparatus is stage clip or compresses shell fragment; A said stage clip or an end that compresses shell fragment withstand on the other end on first cramp or second cramp and withstand on the sidewall of fastening base and first cramp and second cramp are close to, and perhaps said compressing on the cramp convexity that shell fragment acts on first cramp and second cramp is close to first cramp and second cramp.
Preferably; Also comprise the fastening base; Said elastic force apparatus is four stage clips, and said first cramp is identical with the structure of second cramp, and said first cramp comprises first press spring base and second press spring base that protrudes the said first cramp side; Said second cramp comprises the 3rd press spring base and the 4th press spring base that protrudes the said second cramp side; Said fastening base comprises base plate through holes, the first side wall and second sidewall relative with the first side wall, and the same side terminal of two stage clips all withstands on the first side wall, and the opposite side terminal is enclosed within respectively on said first press spring base and second press spring base; The same side terminal of two stage clips all withstands on second sidewall in addition, and the opposite side terminal is enclosed within respectively on said the 3rd press spring base and the 4th press spring base.
Preferably, have four conduits on the said fastening base, four stage clips are respectively on four conduits.
First cramp of symmetry and second cramp, symmetrically arranged stage clip; The indentation amount of two cramps is basic identical when making assembling by the object of fastening; Some needs precision assembling or the heavy fastening of could being accomplished by fastening to move; For example hang and move door and hang folding door etc.,, conduit need be set settle stage clip to lose efficacy to prevent stage clip from departing from because the active force of fastening moment is bigger.
Preferably; Said fastening base also comprises relative vertical with said the first side wall respectively the 3rd sidewall and the 4th sidewall; Be provided with the sidewall block near said the 3rd sidewall of said base plate through holes and the 4th inside sidewalls; The two ends with the first cramp recess homonymy of said first cramp are provided with the first cramp breach that matches, and the two ends with the second cramp recess homonymy of said second cramp are provided with the second cramp breach that matches.
Like this; First cramp can not make the position deviation of first cramp because the power of the stage clip that acts on its both sides is unbalanced; Can not guarantee that through hole that the first cramp recess and the second cramp recess form and base plate through holes etc. are on same axis; The power that also possibly make two cramps is unbalanced and the through hole of formation is departed from, and after first cramp arrives at desired location, is blocked by the sidewall block, can not be again to the second cramp side shifting.For second cramp also is similar effects, is not giving unnecessary details at this.
Preferably; Also comprise the fastening base; Said elastic force apparatus is two and compresses shell fragment; The said shell fragment that compresses comprises two shell fragment terminals, first shell fragment convexity, second shell fragment convexity and the shell fragment recess between first shell fragment convexity and the second shell fragment convexity; Said fastening base comprises base plate through holes, the first side wall and second sidewall relative with the first side wall, and two terminal that compress shell fragment withstand on the first side wall and the shell fragment recess withstands on the cramp convexity of first cramp, and another two terminals that compress shell fragment withstand on second sidewall and the shell fragment recess withstands on the cramp convexity of second cramp.
Preferably, also comprise the fastening base, said elastic force apparatus is the fastening shell fragment of arc, and the cramp convexity of said first cramp and second cramp withstands on respectively on the madial wall of fastening shell fragment, and said fastening base comprises base plate through holes.
Preferably, also comprise the fastening shell, said fastening shell has the shell conduit, and the cramp convexity of said first cramp and second cramp stretches in the said shell conduit.
Such first cramp and second cramp can move in fixed track; And can not make the reaction force attenuation or the inefficacy of stage clip owing to position deviation; And can guarantee that the arc convex of jacking block can act on the cramp convexity when rotated, can observe the residing position of jacking block to judge the engaging degree of first cramp and second cramp through this shell conduit simultaneously.
Preferably, also comprise pulley assembly, said pulley assembly comprises the plug that cooperates with said fastening assembly, and the centre of said plug has annular groove, and it is conical that the front end of said plug is.
Conical plug is more conducive to pulley assembly and tightening device carries out Assembly.
The invention has the beneficial effects as follows: can make by the fastening object is more simple and convenient and assemble with the fastening assembly; And will be extracted also very simple and convenient by the fastening object; Symmetrically arranged two cramps, stage clip or shell fragments make it can be useful in assembling and hang and move etc. under the situation.
Description of drawings
Fig. 1 is the schematic top plan view under the tightening state of fastening assembly of an embodiment of the present invention;
Fig. 2 is the schematic top plan view under the open mode of fastening assembly of an embodiment of the present invention;
Fig. 3 is the schematic representation of fastening shell of the fastening assembly of an embodiment of the present invention;
Fig. 4 is the schematic representation of jacking block of the fastening assembly of an embodiment of the present invention;
Fig. 5 is the schematic top plan view of jacking block of the fastening assembly of an embodiment of the present invention;
Fig. 6 is the schematic representation of cramp of the fastening assembly of an embodiment of the present invention;
Fig. 7 is the schematic representation of cramp of the fastening assembly of an embodiment of the present invention;
Fig. 8 is cramp and the explosive view of stage clip of the fastening assembly of an embodiment of the present invention;
Fig. 9 is the schematic representation of fastening base of the fastening assembly of an embodiment of the present invention;
Figure 10 is the schematic representation of pulley assembly of the fastening assembly of an embodiment of the present invention;
Figure 11 is the explosive view of the fastening assembly of an embodiment of the present invention;
Figure 12 is the schematic top plan view of the another kind of embodiment's of the present invention fastening assembly;
Figure 13 is the schematic top plan view of the another kind of embodiment's of the present invention fastening assembly.
Embodiment
Below will combine accompanying drawing, specific embodiment of the present invention will be described further.
Like Fig. 1,2,6, shown in 7 and 8; A kind of fastening assembly; Comprise first cramp 300, second cramp 700 and elastic force apparatus (400,401,403); Be respectively equipped with the first relative recess 304 and second recess 704 on said first cramp 300 and second cramp, 700 limits; Said elastic force apparatus (400,401,403) acts on and first recess 304 and second recess 704 is close to each other form a through hole 800; When greater than the object of said through hole 800 during through said through hole 800, the elastic force that object overcomes elastic force apparatus (400,401,403) makes first cramp 300 separate to motion on the contrary with second cramp 700.
Like Fig. 1,2,4, shown in 5; In the more concrete embodiment of fastening assembly of the present invention; The fastening assembly also comprises columnar jacking block 200; The outer surface 205 of said jacking block 200 is provided with eccentric arc convex 201; The thickness of the said arc convex 201 of circumferencial direction to the said jacking block outer surface 205 of the outer surface 205 of the said jacking block 200 in edge increases gradually; The through hole 800 that the through hole 203 of said jacking block 200 forms when being close to greater than said first recess 304 and second recess 704; The surface 305 of said first cramp 300 and the surface 705 of second cramp 700 are respectively equipped with protruding 301 and second cramp convexity 701 of first cramp, and said jacking block 200 is installed in the surface of said first cramp 300 and second cramp 700, can drive arc convex 201 after said jacking block 200 rotates and promote protruding 301 (perhaps second cramp protruding 701) of said first cramp and said first cramp 300 is separated to motion with second cramp 700 on the contrary.
The surface that contacts with protruding 301 or second cramp protruding 701 of said first cramp of the end that the thickness of the extremely outer surface 205 of said jacking block 200 of said arc convex 201 is maximum is provided with outstanding block 202.
Like Fig. 1,2,8,9, shown in 11; A kind of embodiment's fastening assembly also comprises fastening base 500; Said elastic force apparatus is four stage clips 400; Said first cramp 300 is identical with the structure of second cramp 700; Said first cramp 300 comprises first press spring base 302 and second press spring base 306 of the side of protruding said first cramp 300, and said second cramp 700 comprises the 3rd press spring base 702 and the 4th press spring base 706 of the side of protruding said second cramp 700, and said fastening base 500 comprises base plate through holes 503, the first side wall 505 and second sidewall 506 relative with the first side wall 505; The same side terminal of two stage clips all withstands on the first side wall 505; And the opposite side terminal is enclosed within respectively on said first press spring base 302 and second press spring base 306, and the same side terminal of two stage clips all withstands on second sidewall 506 in addition, and the opposite side terminal is enclosed within respectively on said the 3rd press spring base 702 and the 4th press spring base 706; Have 502, four stage clips 400 of four conduits on the said fastening base 500 respectively on four conduits 502.
Like Fig. 1,2,6,7,9, shown in 11; A kind of embodiment the fastening base 500 of fastening assembly; It also comprises and relative vertical with the first side wall 505 respectively the 3rd sidewall 508 and the 4th sidewall 509; Inboard near base plate through holes 503 the 3rd sidewall 508 and the 4th sidewall 510 is respectively equipped with the first side wall block 501 and the second sidewall block 510; When first cramp 300 is close to second cramp 700 mutually; The first cramp breach 307 of first cramp 300 withstands on respectively on the first side wall block 501 and the second sidewall block 510 with other one first a cramp breach 308, and in like manner, the second cramp breach 707 of second cramp withstands on respectively on the first side wall block 501 and the second sidewall block 510 with another second cramp breach 708.
Shown in figure 12; The said elastic force apparatus of a kind of embodiment's fastening assembly is two and compresses shell fragment 401; The said shell fragment that compresses comprises two shell fragment terminals 402 and protruding 403, second shell fragment protruding 406 of 404, first shell fragment and the shell fragment recess 405 between protruding 403 and second shell fragment protruding 406 of first shell fragment; Two terminal 402 and 404 that compress shell fragment 401 withstands on the first side wall 505 and shell fragment recess 405 withstands on first cramp protruding 301 of first cramp 300, and another two terminals that compress shell fragment withstand on second sidewall 506 and the shell fragment recess withstands on second cramp protruding 701 of second cramp 700.
Shown in figure 12, the said elastic force apparatus of a kind of embodiment's fastening assembly is the fastening shell fragment 407 of arc, and second cramp protruding 701 of protruding 301 and second cramp 700 of first cramp of said first cramp 300 withstands on respectively on the madial wall of fastening shell fragment 407.
Like Fig. 3, shown in 11; A kind of embodiment's fastening assembly also comprises fastening shell 100; Said fastening shell 100 has shell conduit 102, outer casing through hole 101, block button hole 104 and circular enclosing wall 103; Second cramp protruding 701 of protruding 301 and second cramp 700 of first cramp of said first cramp 300 stretches in the said shell conduit 102, and the surface of enclosure wall 103 outstanding fastening shells 100 is in order to carry out spacing to jacking block 200; Reduce in rotation is to produce to rock as far as possible, and block button hole 104 is in order to cooperate the base buckle 507 of fastening base 500.
Shown in figure 10, a kind of embodiment's fastening assembly comprises pulley assembly 600; Said pulley assembly 600 comprises the plug 602 that cooperates with said fastening assembly; The centre of said plug 602 has annular groove 602, thereby forms the shape of similar boss, and the base of this boss is positioned at the front end of plug; The boss head then is the position of annular groove 602, and it is conical that the front end of said plug 602 is.
Can see from Fig. 1; Jacking block 200 has two arc convex 201 to promote protruding 301 and second cramp protruding 701 of first cramp respectively in some specific embodiment; The indentation amount of first cramp 300 and second cramp 700 is basic identical in this structure, is fit to hang move door and be difficult to move the situation of big displacement by the fastening object with assembling and other of hanging folding door during to assembling.Certainly, also can see, when second cramp 700 fixing, and when having only first cramp 300 under elastic force apparatus, to move, the fastening of the object that also can realize some boss are adorned.