CN2924118Y

CN2924118Y - Connection device for moveable jointing of two objects together

Info

Publication number: CN2924118Y
Application number: CN 200620104449
Authority: CN
Inventors: 徐友法
Original assignee: Individual
Current assignee: Wang Yinxiang
Priority date: 2006-06-07
Filing date: 2006-06-07
Publication date: 2007-07-18
Anticipated expiration: 2016-06-07

Abstract

The utility model relates to a connecting device which moveably connects two objects together, which includes a fixed part (1) attached on the object and a connecting part (2) attached on the other object. The fixed part is provided with a concave chamber (11) with a lower opening and a lock latch (3) which is provided with a swing arm (31) whose lower end is provided with an insertion part (32) and whose upper end is provided with a locking part (33); the lock latch (3) is inserted in the side surface of the connecting part (2) and can deflect on the connecting part. The utility model is also provided with an elastic recovery structure which can make the upper end of the lock latch (3) always deflect to one side of the connecting part; at least one internal side wall of the concave chamber is provided with a lower boss (12) and an upper boss (13) which are internally extruded. The upper end of the lower boss is provided with a backing guide surface (122) for the backing of the locking part; the lower side surface of the lower boss is provided with a self-locking guide surface (123); the upper boss is positioned over the self-locking trough (121). Under the mutual function of the lower boss and the upper boss, the lock latch is locked in the self-locking trough, to connect the connecting part and the fixed part together and to fix the two objects together.

Description

The connection set that two articles is movably connected

Technical field

The utility model relates to a kind of connection set that two articles is movably connected, and this connection set is specially adapted between lubricating cup and the kitchen ventilator, lamp socket is fixedlyed connected with the self-locking formula of unloading between the socket (preventing that plug from coming off) with protective housing and appliance plug in the electrical lighting.

Background technique

Existing range hood lubricating cup is to adopt spiral to block formula, translation is blocked formula or screw thread and is tightened modes such as formula and be connected on the range hood, adopt the fixedly connected mode of above-mentioned lubricating cup, when unloading, lubricating cup easily the long-pending oil in the lubricating cup is turned upside down, spatter on one's body the user, so the update that above-mentioned object and object is connected and fixed device is very necessary.As a patent No. is a kind of structure the Chinese utility model patent " a kind of oil-cup device of range hood " of ZL02271619.X (notification number is CN2558898Y) has disclosed, comprise fixing frame, from snap close, snap in part and lubricating cup, snap in the square hole of fixing frame plane side from snap close, the vertical surface of fixing frame is fixed on the backboard of range hood, snap in trapezium structure on the column of part and aim at lower end from snap close, firmly upwards push away, can realize chucking, it has adopted the mode of shifting the blame on to the higher-ups or one's subordinates that is connected and fixed, though solve the connection of range hood lubricating cup and unloaded problem easily, very little from snap close power.

Also having a patent application number of accepting is that the patent application of 200520012993.0 " Oil Fumes Suction Cup Detachable Self-Locking Fixtures " discloses a kind of like this Oil Fumes Suction Cup Detachable Self-Locking Fixtures, it is arranged between lubricating cup and the range hood main body, and it comprises lock core, lock tube, snap close, spring, setting sleeve and locating button; Described lock core head is a square cylinder, and at least one face of the head of lock core is provided with self-locking and unloads groove; The head of described lock tube have one with the suitable cavity of described lock core head cylinder, the lock core head can pass in and out this cavity; The lock tube head is provided with self-locking with respect to the lock core head and unloads on the face of groove, is respectively equipped with a small sircle hole and a small square hole up and down; Described snap close is curved shape, and the one end is positioned in the small sircle hole of lock tube, and is pushed by described spring, and the small square hole of the other end by lock tube is positioned at the self-locking of lock core head and unloads in the groove.Advantage of the present utility model is, and is both easy to loading and unloading, is difficult for improper coming off again.It has also adopted the mode of shifting the blame on to the higher-ups or one's subordinates that is connected and fixed, have not only to connect and unload and make things convenient for advantage, and it is big from snap close power, but the easy stretch bending of its snap close hook and this fixing device is damaged, and this fixing device only is fit to be applied on range hood lubricating cup fixedly connected, and Applicable scope is less.

Also have to adopt between existing illuminating lamp holder and the lamp socket and be threaded or the flat screw-in of buckle blocks mode such as formula and is connected and fixed, no matter lamp holder adopts the sort of mode to be connected with lamp socket, it is all more numerous and diverse with the process that lamp holder is fixed on the lamp socket, lamp holder need be rotated some circles, lamp holder could be fixed on the lamp socket, also have illumination to change bulb and easily lamp holder is twisted badly, lamp holder is difficult to the defective of taking out in lamp socket.Also have between appliance plug and the socket is by frictional force action between the reed on the plug and the jack on the socket plug and socket to be come off etc. easily in mobile.

In sum, above-mentionedly variously be connected and fixed device or mode all can be further improved.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of connection set that two articles can be movably connected applied widely at above-mentioned prior art present situation, this connection set have pin pulling force big, connect and unload conveniently, non-damageable advantage.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of connection set that two articles is movably connected, include attached to the fixed block on the object with attached to the link on another object, have the cavity of a lower ending opening that can insert for link on the fixed block, be provided with removable lining self-locking structure between link and the fixed block cavity; It is characterized in that, described removable lining self-locking structure is: a snap close is arranged, this snap close has a swing arm, the lower end of swing arm has one and extends internally and can insert insertion part in the link, the upper end has outward extending sticking department, this snap close is plugged in link side and link deflection relatively by the insertion part on it, also is provided with to make the snap close upper end have the elastic reset structure of being partial to link lopsidedness trend all the time between link and snap close; At least one madial wall at cavity has inwardly protruded lower convex platform and convex platform; The upper end of lower convex platform has to the recessed self-locking grooves and the guide surface of giving up the throne that can give up the throne for the sticking department of snap close, the downside of lower convex platform is one can slide to self-locking guide surface in the self-locking grooves for the sticking department of snap close, and its true dip direction is opposite with the swing arm true dip direction of snap close; Convex platform is positioned at the top of self-locking grooves.

Above-mentioned made snap close upper end has the elastic reset structure of being partial to link lopsidedness trend all the time and is: first holding cavity that has lower ending opening in link, have a semicircle aperture that runs through this first holding cavity at link sidewall middle part, the insertion part of snap close is the semicircle shape that matches with above-mentioned aperture, this insertion part is plugged in the aperture, and aperture deflection several angle relatively, in first holding cavity, also be equipped with a spring, the upper end of spring withstands on the first holding cavity roof, and lower end abutment is at the insertion part upper surface and apply a preload pressure that the insertion part is resetted for this insertion part.Adopt flexible restoring organ, this flexible restoring organ can be contained in the link, do not expose, can effectively prevent the damage of external object this flexible restoring organ.Certainly, this flexible restoring organ also can adopt existing various elastic reset structure with similar functions, as adopting the resetting structure of torsion spring or clockwork spring.

In order further link to be fixedly secured on fixed block, and further facilitate us link is disassembled from fixed block, we have on above-mentioned link top that one and first holding cavity connects and the aperture less than first penetration hole of the first holding cavity internal diameter, the first movable post that one bottom has a convex shoulder runs through and is arranged in first penetration hole, penetration hole is exposed on the top of the first movable post, the bottom is contained in first holding cavity, convex shoulder on the first movable post and the retaining establishing of the first penetration hole bottom surface are closed, and described spring upper end is resisted against on the lower end surface of the first movable post.Like this when we are fixed on link on the fixed block, its first movable post meeting extrusion spring, allow spring further push snap close, sticking department on the snap close can more stably be stuck in the self-locking grooves lock, link is fixedly secured effect on fixed block to play; Link need be disassembled from fixed block and work as us, then upwards promote link, the first movable post meeting extrusion spring allows spring further push snap close, makes the sticking department on the snap close can break away from self-locking grooves more quickly also along giving up the throne the guide surface slippage and unlocking.

Above-mentioned lower end surface, insertion part forms a raised line vertically, to make things convenient for the insertion part is the relative link aperture of fulcrum deflection several angle with the raised line, and has a limiting stopper that extends downwards in the rear end of insertion part, this limiting stopper contacts and gear with the link ear end face after passing aperture, can prevent that better deviate from from aperture the insertion part on the snap close.

Because not only will link together between lamp holder and the lamp socket, and also have certain circuit turn-on to concern between them, so for convenience this connection set is applied in the connection between lamp holder and the lamp socket, we also have second holding cavity and the 3rd holding cavity of lower ending opening in above-mentioned link, and also have two second penetration hole and the 3rd penetration holes that connect with second holding cavity and the 3rd holding cavity respectively on the link top, the aperture of second penetration hole and the 3rd penetration hole is respectively less than the internal diameter of second holding cavity and the 3rd holding cavity, one bottom have the second movable post of convex shoulder and the 3rd movable post respectively activity run through and be arranged in second penetration hole and the 3rd penetration hole, the second movable post and the 3rd movable post are spacing respectively in corresponding second penetration hole and the 3rd penetration hole by the convex shoulder on it, in second holding cavity and the 3rd holding cavity, also be equipped with a spring respectively, described spring upper end is resisted against respectively on the lower end surface of respective activity post, and the lower end of spring then contacts with the object upper-end surface that link is fixed together; Also have two and the second movable post and the corresponding mounting hole of the 3rd movable post in the fixed block upper end.The whole loop of lamp holder is that the negative pole of spring, the 3rd movable post and the power supply in the spring in the second movable post, second holding cavity, a joint on the lamp socket, another joint on the lamp socket, the 3rd holding cavity or positive pole are cascaded and form luminous loop successively for positive source or negative pole like this.

In order further to make things convenient for us that link is fixed on the fixed block, have the lower convex platform and the convex platform of inwardly protruding and symmetrical distribution respectively at two opposed inside wall middle parts of cavity.So no matter our formal dress still is anti-load fitting, and it can both make lower convex platform and the convex platform mating reaction in one of them sidewall on snap close on the link and the fixed block, and then link is fixed on the fixed block, conveniently installs and uses.

Above-mentioned lower convex platform is good with the arrow shaped that is inclination, for fixed block is made of one structure, needs for the die sinking tool, have the Z groove that runs through sidewall on the cavity side walls between lower convex platform and the convex platform, the Z groove also has such effect: even if sticking department length on the snap close and lower convex platform thickness exist a point tolerance also sticking department can be fastened in the self-locking grooves.

For making convex platform can play good gear effect, a side of above-mentioned convex platform be obliquely installed with the corresponding gear face of self-locking grooves, thereby increased the gear area, make gear more convenient, it is stable for snap close is given up the throne, its true dip direction is opposite with the swing arm true dip direction of snap close, have also on the convex platform that Open Side Down and and the guide surface of the giving up the throne groove of giving up the throne accordingly, one of them madial wall of groove of giving up the throne can be to sticking department on the snap close one buffer function of giving up the throne.

Compared with prior art, advantage of the present utility model is: earlier fixed block is fixed on the object during use, link is fixed on another object, need two objects are fixed together, then only need link is pushed in the fixed block cavity, under snap close and lower convex platform and convex platform interaction, be locked in the self-locking grooves, just two objects can be fixed together; With two object separation, then upwards promote earlier link again, snap close breaks away from self-locking grooves and resets under the flexible restoring organ effect, pull down link again, just can finish separating action, be connected and fixed flexibility and reliability for convenience detach so this connection set has, also have it sticking department inhibition to be fixed on link on the fixed block by self-locking grooves, so it is big that link can bear pulling force, heavier object can be movably connected, be difficult for improper damage and improper coming off.When using in addition fixed block is fixed on the object, link is fixed on another object, the effect of being clasped by link and fixed block just can be fixed together two different objects, therefore it can be applicable to detachably fixedlying connected between lubricating cup and kitchen ventilator, electrical lighting lamp holder and lamp socket and appliance plug and the socket (preventing that plug from coming off), so applied widely.

Description of drawings

Fig. 1 is the frontal sectional view (wherein link partly have an X-rayed) of first embodiment of the utility model under lock state;

Fig. 2 is the side surface direction sectional view (wherein link partly have an X-rayed) of first embodiment of the utility model under lock state;

Fig. 3 is first embodiment's of the utility model a structural representation (disengaged condition);

Fig. 4 is a kind of direction front section view (lock state) of second embodiment of the utility model;

Fig. 5 is the positive sectional structure schematic representation of second embodiment's of the utility model another kind of direction (lock state);

Fig. 6 is second embodiment's of the utility model a structural representation (disengaged condition);

Fig. 7 is the structural representation of snap close among the utility model embodiment;

Fig. 8 is that the A-A of Fig. 7 is to sectional view;

Fig. 9 is the worm's eye view of fixed block among the utility model embodiment;

Figure 10 is that the B-B of Fig. 9 is to sectional view;

Figure 11 is the schematic representation of link among the utility model embodiment;

Figure 12 is the utility model embodiment's a working principle schematic representation one;

Figure 13 is the utility model embodiment's a working principle schematic representation two;

Figure 14 is the utility model embodiment's a working principle schematic representation three;

Figure 15 is the utility model embodiment's a working principle schematic representation four;

Figure 16 is the utility model embodiment's a working principle schematic representation five;

Figure 17 is the utility model embodiment's a working principle schematic representation six.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Be depicted as first embodiment of the present utility model as Fig. 1～3:

This embodiment mainly is be used for the kitchen ventilator lubricating cup fixing, this connection set, include fixed block 1 and link 2, outward extending collar flange 16 is arranged below the fixed block 1, fixed block 1 both sides respectively have a spring sheet 17 of slightly outwards opening, and gapped between spring sheet 17 and the flange 16, oil screen of smoke exhaust ventilator 4 just is fastened in the gap between spring sheet 17 and the flange 16, and this screens mode is a prior art.

Link 2 bottoms are fixed on the range hood lubricating cup 5 by screw 6 fixing modes, link 2 bar shape that is rectangle, and have the cavity 11 of a lower ending opening that can insert for link 2 on the fixed block 1, between the cavity 11 of link 2 and fixed block, be provided with removable lining self-locking structure;

Described removable lining self-locking structure is: a snap close 3 is arranged, shown in Fig. 7～8, this snap close 3 has a swing arm 31, the lower end of swing arm 31 has one and extends internally and can insert insertion part 32 in the link 2, the upper end has outward extending sticking department 33, this snap close 3 is plugged in link 2 sides and link 2 deflections relatively by the insertion part on it 32, also is provided with to make snap close 3 upper ends have the elastic reset structure of being partial to link 2 lopsidedness trend all the time between link 2 and snap close 3;

This elastic reset structure is: shown in Fig. 1～6, first holding cavity 21 that in link 2, has lower ending opening, have a semicircle aperture 22 that runs through this first holding cavity 21 at link 2 sidewalls middle parts, as shown in figure 11, the insertion part 32 of snap close 3 is the semicircle shape that matches with above-mentioned aperture 22, this insertion part 32 is plugged in the aperture 22, and aperture 22 deflection several angles relatively, 32 lower end surfaces, insertion part form a raised line 34 vertically, is the relative link aperture 22 deflection several angles of fulcrum to make things convenient for insertion part 32 with raised line 34, and in the insertion part 32 rear end has a limiting stopper 35 that extends downwards, this limiting stopper 35 passes aperture 22 backs and contacts and gear with link 2 ear end faces, can prevent better that deviate from from aperture 22 insertion part 32 on the snap close 3, have 21 perforations of one and first holding cavity and aperture first penetration hole 23 less than first holding cavity, 21 internal diameters on link 2 tops, the first movable post 212 that one bottom has a convex shoulder runs through and is arranged in first penetration hole 23, penetration hole 23 is exposed on the top of the first movable post 212, the bottom is contained in first holding cavity 21, convex shoulder on the first movable post 212 and the retaining establishing of first penetration hole, 23 bottom surfaces are closed, in first holding cavity 21, also be equipped with a spring 211, the upper end of spring 211 is resisted against on the lower end surface of the first

movable post

212,32 upper surfaces also apply a preload pressure that insertion part 32 is resetted to this insertion part 32 to lower end abutment in the insertion part, this preload pressure can make the swing arm 31 on the snap close 3 remain slope trend, certainly, this flexible restoring organ also can adopt existing various elastic reset structure with similar functions, as adopting the resetting structure of torsion spring or clockwork spring, it also belongs to the scope of protection of the invention;

The lower convex platform 12 and the convex platform 13 that have inwardly protruding and symmetrical distribution at two opposed inside wall middle parts of fixed block cavity 11 respectively;

Shown in Fig. 9,10, lower convex platform 12 is the arrow shaped of inclination, the upper end of lower convex platform 12 has to the recessed self-locking grooves 121 and the guide surface 122 of giving up the throne that can give up the throne for the sticking department 33 of snap close, the downside of lower convex platform 12 is one can slide to self-locking guide surface 123 in the self-locking grooves 121 for the sticking department 33 of snap close 3, its true dip direction is opposite with snap close top link 31 true dip directions, and the upper end of self-locking guide surface 123 upper ends and locked groove 121 right side walls flushes; The upper end of this guide surface 122 of giving up the throne and self-locking grooves 121 left side walls upper end flush;

Shown in Fig. 9,10, convex platform 13 is positioned at the top of self-locking grooves 121, the right flank of convex platform 13 be obliquely installed with self-locking grooves 13 corresponding gear faces 131, its true dip direction is opposite with swing arm 31 true dip directions of snap close, the bottom of this gear face 131 is between 121 two sidewalls of self-locking grooves, and has the gap that to pass through for the sticking department 33 on the snap close between the bottom of gear face 131 and the self-locking grooves 121, this gap is more bigger than sticking department 33, convex platform 13 left sides have also that Open Side Down and and the guide surface 122 of the giving up the throne groove 132 of giving up the throne accordingly;

Shown in Fig. 9,10, on the cavity side walls between lower convex platform 12 and the convex platform 13, have corresponding with convex platform 13 profiles and run through the Z groove 15 of sidewall with lower convex platform 12.

This embodiment's working principle and process are such:

During locking, link 2 is put into from fixed block cavity 11 lower ending openings, as shown in figure 12, and enforce link 2 and make it progressively enter cavity 11, the spring 211 elastic force effects that this moment, the first movable post 212 overcame in first holding cavity 21 are descending, on the snap close under the leading role of sticking department 33 self-locking guide surfaces 123, overcome the spring 211 elastic force effects in first holding cavity 21, raised line 34 with 31 lower end surfaces, insertion part is fulcrum deflection in the other direction, and tilt to go upward to self-locking grooves 121 tops along self-locking guide surface 123, as shown in figure 13, at this moment, the sticking department 33 of snap close breaks away from the restriction of self-locking guide surface 123, and in spring 211 restoring force effect turning down, turn round a small angle after, run into gear face 131 restriction of convex platform 13, as shown in figure 14, can not continue revolution; The simultaneously drop-down a little again lubricating cup 5 that once is fixed together with link 2, the sticking department 33 on the snap close enters in the self-locking grooves 121, as shown in figure 15.Link 2 is under 121 pairs of sticking department 33 inhibitions of self-locking grooves, and link 2 can not break away from fixed block under action of gravity, thereby link 2 is fixed on the fixed block 1, is about to lubricating cup 5 and is fixed on the machine net 4;

During dismounting, only need firmly upwards to promote again link 2, allow the sticking department 33 on the snap close 3 break away from self-locking grooves 121 locking restrictions, under the spring 211 restoring force effects of snap close 3 in first holding cavity 21, sticking department 33 on the snap close continues deflection and replys, run into the left side wall of the groove 132 of giving up the throne, as Figure 16 this moment under the first movable post 212 and spring 211 and tension, sticking department 33 is along 122 cunnings under the guide surface of giving up the throne, detach the cavity 11 of fixed block 1 until link 2, as shown in figure 17, being about to lubricating cup 5 unloads.

Shown in Fig. 4～6, be second embodiment of the present utility model, as long as it is used for removably connecting between lamp socket 7 and the protective housing 8.Fixed block 1 among this embodiment is fixed in the protective housing 8 by screw 6 fixing modes, link 2 bottoms are fixed on above the lamp socket 7 by screw 6 fixing modes, and lamp holder 9 be fixed on below the lamp socket 7, but the upper end of protective housing 8 has the hole 81 that two supply lines 10 pass, the circular groove 82 that the lower end week side of protective housing 8 inner chambers has indent, fixed block 1 lower end peripheral side flange 16 is clamp-oned in the protective housing 8, and is stuck in the circular groove 82, plays the position-limiting action to fixed block 1;

Because lamp socket 7, also there is certain circuit turn-on relation between lamp holder 9 and the protective housing 8, still in above-mentioned link 2, also have second holding cavity 24 and the 3rd holding cavity 26 of lower ending opening, and also have two second penetration hole 25 and the 3rd penetration holes 27 that connect with second holding cavity 24 and the 3rd holding cavity 26 respectively on link 2 tops, the aperture of second penetration hole 25 and the 3rd penetration hole 27 is respectively less than the internal diameter of second holding cavity 24 and the 3rd holding cavity 26, one bottom has the second movable post 242 of convex shoulder and the 3rd movable post 262 and runs through respectively and be arranged in second penetration hole 25 and the 3rd penetration hole 27, the top of the second movable post 242 and the 3rd movable post 262 is exposed second penetration hole 25 and the 3rd penetration hole 27 respectively, the bottom is contained in second holding cavity 24 and the 3rd holding cavity interior 26 respectively, convex shoulder on the second movable post 242 and the 3rd movable post 262 closes with corresponding second penetration hole 25 and the retaining establishing of the 3rd penetration hole 27 bottom surfaces respectively, in second holding cavity 24 and the 3rd holding cavity 26, also be equipped with a spring 241 respectively, 261, described spring 241,261 upper ends are resisted against respective activity post 242 respectively, on 262 the lower end surface, spring 241,261 lower end then contacts with corresponding joint 71 on the lamp socket 7 that link 2 is fixed together; Also have two and the second movable post 242 and the 3rd movable post 262 corresponding mounting holes 16 in fixed block 1 upper end, wiring terminal 161 is installed in the mounting hole 16, electric wire 10 passes protective housing 8 backs and is fixed together with wiring terminal 161.

Second embodiment's locking working principle is similar with first, just no longer sets forth at this, only this embodiment's circuit connection procedure is set forth; Shown in Fig. 4～6, during use fixed block 1 is fixed in the protective housing 8, and lamp socket 7 and link 2 lower ends are fixed together, allow two wiring terminals 161 be connected with negative pole with the positive pole of power supply by lead 10 respectively, the lower end surface of wiring terminal 161 contacts with the 3rd movable post 262 with the second movable post 242 respectively, and the spring 241 in second holding cavity 24 and the 3rd holding cavity 26,261 one ends contact with the 3rd movable post 262 with the second movable post 242 respectively, and its other end contacts conducting with two joints 71 on the lamp socket 7 respectively, also is that whole loop is that positive source or negative pole are successively by wiring terminal 161, the second movable post 242, spring 241 in second holding cavity, a joint 71 on the lamp socket, another joint 71 on the lamp socket, spring 261 in the 3rd holding cavity, the 3rd movable post 262, another wiring terminal 161, be cascaded with the negative pole of power supply or positive pole and form luminous loop.

The protection domain of this connection set does not limit to above-mentioned two embodiments, has adopted this connection set all to belong to the scope that the utility model is protected between any two objects.

Claims

1, a kind of connection set that two articles is movably connected, include attached to the fixed block (1) on the object with attached to the link on another object (2), have a cavity (11) that can supply the lower ending opening that link (2) inserts on the fixed block (1), be provided with removable lining self-locking structure between link (2) and the fixed block cavity (11);

It is characterized in that, described removable lining self-locking structure is: a snap close (3) is arranged, this snap close has a swing arm (31), (31) lower end of swing arm has one and extends internally and can insert insertion part (32) in the link (2), the upper end has outward extending sticking department (33), this snap close (3) is plugged in link (2) side and link (2) deflection relatively by the insertion part on it (32), also is provided with to make snap close (3) upper end have the elastic reset structure of being partial to link (2) lopsidedness trend all the time between link (2) and snap close (3);

At least one madial wall at cavity (11) has inwardly protruded lower convex platform (12) and convex platform (13);

The upper end of lower convex platform (12) has to recessed self-locking grooves (121) and the guide surface of giving up the throne (122) that can give up the throne for the sticking department (33) of snap close, the downside one of lower convex platform (12) slides to the interior self-locking guide surface (123) of self-locking grooves (121) for the sticking department (33) of Gong the snap close that is obliquely installed, and its true dip direction is opposite with swing arm (31) true dip direction of snap close;

Convex platform (13) is positioned at the top of self-locking grooves (121).

2, the connection set that two articles is movably connected according to claim 1, it is characterized in that describedly making snap close (3) upper end have the elastic reset structure of being partial to link lopsidedness trend all the time to be: first holding cavity (21) that in link (2), has lower ending opening, have a semicircle aperture (22) that runs through this first holding cavity at link (2) sidewall middle part, the insertion part of snap close (32) is the semicircle shape that matches with above-mentioned aperture (22), this insertion part (32) is plugged in the aperture (22), and aperture (22) deflection several angle relatively, in first holding cavity (21), also be equipped with a spring (211), the upper end of spring (211) withstands on first holding cavity (21) roof, and (32) upper surface also applies a preload pressure that insertion part (32) is resetted to this insertion part (32) to lower end abutment in the insertion part.

3, the connection set that two articles is movably connected according to claim 2, it is characterized in that described link (2) top has that one and first holding cavity (21) connects and the aperture less than first penetration hole (23) of first holding cavity (21) internal diameter, the first movable post (212) that one bottom has a convex shoulder runs through and is arranged in first penetration hole (23), penetration hole (23) is exposed on the top of the first movable post (212), the bottom is contained in first holding cavity (21), convex shoulder on the first movable post (212) and the retaining establishing of first penetration hole (23) bottom surface are closed, and described spring (211) upper end is resisted against on the lower end surface of the first movable post (212).

4, the connection set that two articles is movably connected according to claim 2, it is characterized in that lower end surface, described insertion part (32) forms a raised line (34) vertically, and the rear end of (32) has a limiting stopper (35) that extends downwards in the insertion part.

5, according to the described connection set that two articles is movably connected of arbitrary claim in the claim 1～4, it is characterized in that also having in the described link (2) second holding cavity (24) and the 3rd holding cavity (26) of lower ending opening, and also have two second penetration hole (25) and the 3rd penetration holes (27) that connect with second holding cavity (24) and the 3rd holding cavity (26) respectively on link (2) top, the aperture of second penetration hole (25) and the 3rd penetration hole (27) is respectively less than the internal diameter of second holding cavity (24) and the 3rd holding cavity (26), one bottom have the second movable post (242) of convex shoulder and the 3rd movable post (262) respectively activity run through and be arranged in second penetration hole (25) and the 3rd penetration hole (26), the second movable post (241) and the 3rd movable post (261) are spacing respectively in corresponding second penetration hole (25) and the 3rd penetration hole (26) by the convex shoulder on it, in second holding cavity (24) and the 3rd holding cavity (26), also be equipped with a spring (241 respectively, 261), described spring (241,261) upper end is resisted against respective activity post (242 respectively, 262) on the lower end surface, spring (241,261) lower end then contacts with the object upper-end surface that link (2) is fixed together; Also have two and the second movable post (242) and the corresponding mounting hole (14) of the 3rd movable post (262) in fixed block (1) upper end.

6, the connection set that two articles is movably connected according to claim 1 is characterized in that: the lower convex platform (12) and the convex platform (13) that have inwardly protruding and symmetrical distribution at two opposed inside wall middle parts of cavity (11) respectively.

7, according to claim 1 or the 6 described connection sets that two articles is movably connected, it is characterized in that described lower convex platform (12) is the arrow shaped of inclination, on the cavity side walls between lower convex platform (12) and the convex platform (13), have the Z groove (15) that runs through sidewall.

8, according to claim 1 or the 6 described connection sets that two articles is movably connected, a side that it is characterized in that described convex platform (13) be obliquely installed and the corresponding gear face (131) of self-locking grooves (121), its true dip direction is opposite with swing arm (31) true dip direction of snap close, has also on the convex platform (13) that Open Side Down and and the guide surface (122) of the giving up the throne groove (132) of giving up the throne accordingly.