1. Field of the Invention
The present invention relates to an assembly mechanism of a toilet cover, especially to a quick assembly and disassembly mechanism with button lock for a toilet cover.
2. Background of the Invention
The existing quick pivot device of the cover and the toilet is applied with a lock shaft assembly stand, for example, a button type quick lock switch is separately assembled in the left and the right part of the rear part of the cover. The Chinese utility model patent with publication number CN201767898U is provided with a hinge structure of a toilet cover, which comprising a cover connected to the toilet with a hinge, the hinge comprising a hinge body to connect the cover and the toilet and an assembly base, the top surface of the assembly base is disposed with a connection cylinder, which is inserted to the hinge body, the hinge body includes a standstill block sliding in the lateral direction to limit the connection cylinder to move in the vertical direction, a stop pin sliding in the vertical direction to limit the connection cylinder to move and a reposition block sliding in the lateral direction inside the standstill block to control the pin to move downwards; the front part of the standstill block is connected with a button, a restoring spring is withstood between the button and the front surface of the reposition block, the bottom of the stop pin is withstood with a stop spring; this structure of button self-lock mechanism composed with the standstill block, the stop pin and reposition block and restoring spring is assembled inconvenient, it needs two hands to press the buttons in the left and right of the rear part of the cover when disassembling the cover, making it inconvenient to use, meanwhile, it needs two hands to overcome the force of the spring to press, making operation hard.
There is another Chinese patent with notification number CN201303910Y, which is provided with a toilet cover with a button control quick assembly device, a control cavity is disposed in the middle of the sleeve in the middle of the toilet seat with one step forming, two ends of the sleeve are separately assembled with a button quick lock switch (with spring themselves), the lock switch and the bottom of the cover are connected with a shaft, two sides of the control cavity are separately disposed with a push lever, the push levers of the control cavity and the lock switch are separately disposed with a spring, the button in the middle of the control cavity is linked to the two push levers, press the button, two push levers are separately withstood the spring between the push lever and the lock switch, and two push levers are separately withstood the spring between the lock switch and the button (the spring is disposed inside the lock switch), then the button pushes the push levers to move separately to push the buttons of the lock switches in two sides of the sleeve of the toilet seat, making the lock switch connected to the shaft quickly or separated from the shaft quickly, it is the finish of the quick assembly and disassembly of the cover; this kind of assembly and disassembly of the cover is structural complex, the button exposed out needs to overcome four springs' force to control the push lever to push the lock switch, though the single button is operated simple, pressing the button is inconvenient and hard, besides, as the button lock switch disposed in two ends of the cover are structural complex, any button lock switch is out of work, then the quick assembly and disassembly of the cover will not be realized. So the reliability is low.
To solve the problems that above quick assembly and disassembly structure of the cover is structural complex, assembled complex with high cost, and inconvenient to operate with low functional reliability, the present invention is provided with a quick assembly and disassembly mechanism with button lock for a toilet cover.
To solve above problems, the present invention is provided with a quick assembly and disassembly mechanism with button lock for a toilet cover, which comprising a straight tube pivot joint to the rear part of the cover, two stands connected to the toilet and two pivot shafts fixed to two ends of the straight tube symmetrically, the pivot shaft is disposed with pin holes in the radial direction, the pin holes are separately corresponding to the radial hole in the straight tube and the pin holes are separately plugged with the pins of the stands, wherein:
A lock bar disposed between the two pivot shafts can slide from side to side, two ends of the lock bar can be plugged and cooperated to the two pivot shaft by axial sliding;
The straight tube is disposed with an operation mechanism to drive the lock bar to slide, the operation mechanism is linked and cooperated to the lock bar, a spring is disposed inside the straight tube to make the lock bar repositioned;
One end of the lock bar is disposed with a lock catch with lock hole, the other end is disposed with a lock piece with lock hole, the lock piece can be plugged and cooperated to the pivot shaft by axial sliding, the lock holes in two ends of the lock bar are moving in the same direction to lock to the pins, which are separately plugged to the pin holes and the lock holes, or unlocked.
The lock catch comprising an elastic body and a lock piece to limit the sliding travel of the lock bar and a pivot shaft, which is plugged to the end of the lock bar in sliding way; in the lock catch, the lock piece in the end of the lock bar is disposed with a lock hole.
The pivot shaft is disposed with a lock surface and an unlock surface with interval in the axial direction; in the lock catch, when the elastic body is hooked to the lock surface, the lock holes are separately locked to the pins in two ends of the lock bar; when the elastic body is hooked to the unlock surface, the lock holes are separately unlocked to the pins in two ends of the lock bar, when the pin is separated from the pin hole, the pin withstands the elastic body to make the elastic body separated from the unlock surface.
The elastic body in one end of the lock bar in the lock catch is a pair of elastic arms with inner hook, and the ends of the elastic arms are disposed in the opposite direction, the elastic arm is clamped to an abdicating groove disposed in the pin with reducing diameter, the inner hook is hooked to the lock surface of the pivot shaft; the lock bar slides to make the elastic arm deformed and hooked to the unlock surface of the pivot shaft; when separated from the groove, the elastic arms are extensional deformed, making the inner hook separated from the unlock surface.
The lock holes in two ends of the lock bar moves in the same direction to lock to a lock groove with reducing diameter in the pin, which is plugged to the pin hole and the lock hole, or unlock.
Two ends of the spring are separately withstood one end of the pivot shaft and one end of the lock bar with lock catch.
The operation mechanism comprising a base sleeved and fixed to the straight tube and a manual body assembled in the base, operate the manual body to cooperate with the driven body in the middle of the lock bar to drive the lock bar to move to one end of the lock catch.
The lock bar comprising a left lock bar and a right lock bar locked and cooperated to each other, the driven body linked to the manual body is disposed in the left bar, which is cooperated to the lock catch in sliding way.
The manual body is a button assembled in the base, the middle of the button is disposed with a compression bar, the driven body is a guiding block with a guiding inclined surface, the compression bar and the guiding inclined surface of the guiding block are cooperated to drive the lock bar to move.
In another preferred embodiment, the manual body is a gear assembled in the base, the driven body is a rack, the gear is engaged to the rack.
In another preferred embodiment, the manual body is a lever balance button assembled in the base, the bottom of the balance button is disposed with a shifting lever, the driven body is a pushing block, the shifting lever and the pushing block are cooperated to drive the lock bar to move.
The pivot shaft comprising a rotary damper and a standstill shaft, which are coaxially connected to each other, the pin hole is disposed in the standstill shaft, the standstill shaft is sleeved into the straight tube, the rotating damper is exposed out of the end of the straight tube, two ends of the lock bar are separately plugged to the two standstill shafts in the axial direction in sliding way.
With above technical proposal, when the lock catch in one end of the straight tube is situated in initial state, the elastic body is locked to the lock surface, lock holes in two ends of the lock bar are separated locked to the two pins; with one hand operating the operation mechanism in the middle of the straight tube to drive the lock bar to move to the lock catch, that is to say, the lock holes in two ends of the lock bar are sliding in the same direction in side the pivot shafts in two ends of the straight tube, the elastic body in the lock catch is locked to the unlock surface after deformed, the spring is compressed and deformed, making the moving travel of one end of the lock bar in the lock catch self-locked, that is to say, just one end of the lock bar is self-locked in the lock catch to make the pins unlocked to the lock holes in two ends of the lock bar at the same time; when the pin is separated from the pin hole, the pin withstands the elastic body to make the elastic body separated from the unlock surface, with the effect of the spring, the lock bar and the operation mechanism are repositioned in linkage way.
The advantageous effects of the present invention are as below: only one end of the lock bar is travel self-locked in the lock catch in one end of the straight tube, making the pins unlocked to the lock holes in two ends of the lock bar, making the pivot shaft and the pin separable to realize the disassembly of the cover. The structure of the present invention is more simple with low cost and higher functional reliable and higher stability, besides, with only one spring applied for mechanism repositioning, hand operation of the present invention is more convenient.
Straight tube 10; radial hole 11; sleeve hole 12; Stand 20; pin 21; lock groove 21; abdicating groove 212; pivot shaft 30; standstill shaft 31; pin hole 311; lock surface 312; unlock surface 313; rotary damper 32; lock bar 40; left lock bar 41; right lock bar 42; lock piece 43; lock hole 44; guiding block 45; elastic arm 46; inner hook 461; rack 47; pushing block 48; spring 50; operation mechanism 60; base 61; button 62.1; compression bar 62.2; gear 63; balance button 64; shifting lever 64.1. lock catch 70.
The present invention will be further described with drawings and embodiments.
As shown in
Insert the pin 21 of the stand 20 into the radial pin hole 311 of the standstill shaft 31 through the hole 11 of the straight tube 10, during inserting the pin 21 to the pin hole 311, in the lock catch 70 in the left of the straight tube 10, the annular conical surface at the top of the pin 21 withstands the elastic arm 46 of the left lock bar 41 to extend a certain size, but the inner hook 461will not separate from the lock surface 312, when the pins 21 in two ends of the straight tube 10 continue to insert into the lock hole 44 of the lock piece 43, the annular conical surface at the top of the pin 21 withstands the lock hole 44 to make the lock bar 40 sliding left a little distance, the travel of the inner hook 461 can't reach to the lock surface 313, the left lock bar 41 withstands the spring 50, when two pins 21 are plugged to the pin holes 311 completely, the lock bar 40 slides right and repositions quickly with the effect of the spring, that is to say, the lock hole 44 of the left lock bar 41 and the lock hole 44 of the right lock bar 42 are hooked and locked to the corresponding lock groove 211 in the pin 21 at the same time, two elastic arms 46 are clamped to the abdicating groove 212 at the lower of the lock groove 211 in the pin 21, that is the finish of the quick assembly of the standstill shafts 31 in two ends of the straight tube 10 and the stands 20, making it realized to quick assemble the cover and the toilet.
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Although the present invention has been described with reference to the preferred embodiments thereof for carrying out the patent for invention, it is apparent to those skilled in the art that a variety of modifications and changes may be made without departing from the scope of the patent for invention which is intended to be defined by the appended claims.
Number | Date | Country | Kind |
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201210193150.X | Jun 2012 | CN | national |