Background technology
The structure of various door is often there is to carry out the input of material, isolation external environment, improving safety and maintenance etc. in some engineering goods, the door closure installed in dehydrator is exactly common structure, dehydrator is to render in drying roller by wet wash, hot blast is provided to drums inside, medicated clothing is dried, door closure for throw in or take out washings and be in operation to greatest extent reduce heat scatter and disappear, therefore to be also easy to while door closure to compress with body separate, this purpose to be reached just will be by means of locking device.
The engineering goods locking device related at present, especially in dehydrator door closure locking device, use the most generally separate type locking device, so-called separate type locking device includes fixing end and movable end, fixing end be one with hook device, and movable end is provided with waving of a rotatable certain angle, one end of waving is provided with the hook being engaged mutually with fixing end hook.When door closure is closed, wave and swing certain angle, make two hooks be mutually twisted, the door closure of dehydrator can be made to be closed;When door closure opened by needs, wave and swing certain angle, two hooks being mutually twisted are separated from each other, the door closure that can make dehydrator separates, but the shortcoming of this locking device is, two hooks being mutually twisted there will be loosening after long-term use, door closure is caused to there will be gap with fuselage when compressing, now heat may flow away from gap, furthermore, locking device is mutually twisted by two hooks, when door closure closed by needs when, if paying no heed to, the impulsive force that door closure is shut is likely to make the movable end being arranged on door closure collide with the hook of fixing end, then rupture, this causes the biggest trouble to using.
The patent documentation of Application No. 03144503.9 discloses a kind of door lock assembly, including casing, is rotatably installed in casing side and is provided with the door of hook, and the latch and lockset lyatem being arranged on an opposite side is provided with the supporter hanging up hook;It is protruding that its hook upper end forms prominent hook, and the front protruding at hook is formed with above rake, when the most just pushing supporter open, guides it to enter;It is formed with rake below at the rear of Qianmen rake, just pushes supporter open when opening the door, guide it to exit.So, at closing time, guide the discrepancy of hook, to use minimum strength to be easy to switch gate, and limit the random disengaging of door, add the drying effect of dehydrator, this invention is disadvantageous in that: why hook can back down supporter, it is because supporter and has spring supporting, but after long-term use, folding credit union causes the aging of spring, causes being not closed completely, and the local long-term collision that supporter contacts with hook also wears out serious, the phenomenon being not closed completely further is caused not given birth to.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of clinching lock, present invention, avoiding tradition locking device and collide the damage problem caused inadvertently, locking effect is good, and locked object can be made to fit together perfectly, and life-time service compresses effect and will not weaken.
In order to solve above-mentioned technical problem, the present invention uses following scheme to realize:
A kind of clinching lock, including fixed plate, pressing plate, fixed plate connecting plate, active plate and shift fork;
Described fixed plate includes about the two pieces metallic plates be arrangeding in parallel, and its rear end is fixing with locked object body to be connected, and its front end is provided with the connecting hole being distributed at two in oblique line, including being positioned at first connecting hole in outside and being positioned at the second connecting hole of inner side;
Described pressing plate is the block length strip metal plate between the two pieces of metallic plates being embedded in fixed plate, its one end is provided with threeth connecting hole corresponding with the first connecting hole, it is provided with the 4th connecting hole with a certain distance from the 3rd connecting hole, first connecting hole and the 3rd connecting hole are connected by the first connection intercolumniation gap, making pressing plate can connect post with first to rotate for axle around fixed plate, the other end of pressing plate then connects lock;
Described fixed plate connecting plate also includes about the two pieces metallic plates be arrangeding in parallel, it is enclosed within the outside of fixed plate, rear end is provided with fiveth connecting hole corresponding with the second connecting hole, and connect the second connecting hole and the 5th connecting hole by the second connection intercolumniation gap, making fixed plate connecting plate can connect post with second to rotate for axle around fixed plate, the front end of fixed plate connecting plate is provided with the first through chute;
Described active plate is made up of two blocks of elongated metal plates being enclosed within pressing plate outer surface, and its rear end is provided with the 6th connecting hole, and front end is provided with the 7th connecting hole, the 6th connecting hole and the 4th connecting hole is corresponding and by the 3rd connection intercolumniation gap connect;
Described shift fork includes the two blocks of pintle hook lock plates be arrangeding and being sheathed on fixed plate connecting plate outer surface up and down in parallel, the front end of two blocks of pintle hook lock plates is connected by vertical metallic plate, pintle hook lock plate is provided with the second through chute, described second chute, the first chute and the 7th connecting hole are corresponding, and connected by the 4th connection post, make to drive fixed plate connecting plate and/or active plate to rotate by the rotational of shift fork, and then by the rotation of the rotational band dynamic pressure plate of active plate so that the lock of pressing plate one end leaves or withstands locked object body.
The rear end of clinching lock fixed plate is connected with the geo-stationary end of locked object body, lock on pressing plate then compresses locked object body, when being applied in dehydrator, clinching lock is arranged on the side of door closure on dehydrator by the rear end of its fixed plate, lock on pressing plate then holds out against door closure, thus realizes the compression of door closure and body.When time to be unlocked, fixed plate connecting plate and/or active plate just can be driven to rotate by rotating shift fork, and then by the rotation of the rotational band dynamic pressure plate of active plate so that the lock of pressing plate one end leaves locked object door closure.
Particularly as follows: the first chute on fixed plate connecting plate is corresponding with the second chute on shift fork, and connected by the 4th connection post, the 5th connecting hole on fixed plate connecting plate is connected with the second connecting hole gap of fixed plate by the second connection post, when shift fork rotates, 5th connecting hole then becomes the center of rotation, along with the rotation fixed plate connecting plate of shift fork connects post for axle concomitant rotation with second;7th connecting hole of active plate and the 4th connects intercolumniation gap and connects, 6th connecting hole of active plate is connected with the 4th connecting hole gap of pressing plate, 3rd connecting hole of pressing plate is connected with the first connecting hole gap of fixed plate, so when shift fork rotates, draw the 7th connecting hole of active plate, active plate concomitant rotation, and the 6th connecting hole of active plate produces draw therewith to the 4th connecting hole of pressing plate, because the 3rd connecting hole of pressing plate is connected with the first connecting hole gap of fixed plate, now the 3rd connecting hole of pressing plate is equivalent to a center of rotation, when 6th connecting hole of active plate draws pressing plate four connecting hole, pressing plate just can realize rotating centered by the 3rd connecting hole.
On pressing plate, away from the 3rd connecting hole certain distance, the 4th connecting hole is being set, so-called certain distance refers to the connection of active plate and the 4th connecting hole can realize the traction to pressing plate, being specially the setting of the 4th connecting hole position on pressing plate makes the 6th connecting hole of the active plate being attached thereto can realize the traction to it, so that realizing rotating to pressing plate.Preferably, when clinching lock is in locked object locking state, on pressing plate, the position of the 4th connecting hole and active plate are in same straight line is optimal.
Described fixed plate, pressing plate, fixed plate connecting plate, active plate and shift fork are four-layer structure, wherein fixed plate, fixed plate connecting plate, active plate and pintle hook lock plate be arranged in parallel along its length, described pressing plate is vertically arranged along its length, in described four-layer structure, layer centered by pressing plate, it is the second layer that fixed plate and active plate are placed on pressing plate upper and lower surface, it is third layer that fixed plate connecting plate is enclosed within the upper and lower surface of fixed plate and active plate again, and the upper and lower surface that shift fork is enclosed within fixed plate connecting plate is the 4th layer.
Just because of the mechanism of this four layers, all parts is all linked with one another, make to drive fixed plate connecting plate and/or the rotation of active plate by the rotational of shift fork, and then by the rotation of the rotational band dynamic pressure plate of active plate so that the lock of pressing plate one end leaves or withstands locked object body;Pressing plate is arranged on intermediate layer, and when making pressing plate be in locking state, stress is the most uniform, reduces the abrasion of clinching lock.
The front end of described fixed plate is provided with inclination vacancy, and the rear end of described active plate is positioned at this inclination vacancy position.
The front end of fixed plate is provided with inclination vacancy, therefore the metallic plate in fixed plate is similar with right-angled trapezium in shape, the front end of described fixed plate is provided with at two the connecting hole of distribution in oblique line, i.e. the position at two angles corresponding to the oblique waist of class right-angled trapezium metallic plate arranges connecting hole.The rear end of active plate is positioned at inclination vacancy position, reduce the distance of active plate and fixed plate, reduce the volume of whole clinching lock, realize active plate is stepped down when clinching lock rotates so that active plate energy smooth rotation band dynamic pressure plate realize rotating.
Described pressing plate is provided with the first locking component, and described first locking component, when withstanding locked object body when lock, can forbid press plate rotary.
Described first locking component is to be provided with the first metal derby in the side of pressing plate, and the length of this first metal derby is more than the thickness of pressing plate so that the first metal derby can withstand active plate and/or fixed plate connecting plate and/or shift fork.
Owing to being to utilize shift fork to drive fixed plate connecting plate and the rotation of active plate, and then by the rotation of the rotational band dynamic pressure plate of active plate, the lock making pressing plate one end withstands locked object body, if being therefore not provided with locking component, then shift fork, fixed plate connecting plate and active plate can be crossed and rotate significantly, there is the appearance of situation that locked object body and shift fork collide and damage locked object body by pressure.Locking component is metal derby, as long as the length of metal derby can stop shift fork, fixed plate connecting plate and the rotation of active plate more than the thickness of pressing plate, the position that metal derby is fixed on pressing plate is specially, when pressing plate is vertical with active plate, the position just barrier activity connecting plate that metal derby is arranged is optimal.
Being additionally provided with the second locking component on described shift fork, described second locking component can make shift fork individually rotate or make the rotation of shift fork drive fixed plate connecting plate and/or active plate concomitant rotation.
Mechanically actuated has and inevitably there is maloperation, and the second locking component effectively prevents the generation of this maloperation.When using clinching lock locking locked object, in the case of need not unlock, maloperation shift fork likely results in serious consequence, and the second locking component can make shift fork individually rotate, the most now rotation of shift fork will not the rotation of band dynamic pressure plate, and locked object body also would not unlock.
Described second locking component is to be provided with groove in the rear end of pintle hook lock plate, and it is provided with second metal derby corresponding with groove at the outer surface of fixed plate connecting plate, when groove is inserted in the second metal derby, the rotation of shift fork drives fixed plate connecting plate and active plate concomitant rotation, when groove departs from the second metal derby, shift fork individually rotates.
When using clinching lock locking locked object, it is provided with the second chute owing to being provided with in press plate connection board on the first chute, pintle hook lock plate, therefore shift fork can realize detaching operation, when shift fork detaches, groove and the second metal on pintle hook lock plate separate, if now occurring maloperation to remove to rotate shift fork, but the rotation of shift fork can only be realized and the rotation of shift fork can not be realized and also drive the rotation of miscellaneous part;When clinching lock is in released state to locked object body, same principle, shift fork can realize detaching operation, and groove and the second metal on pintle hook lock plate separate, and the most also can prevent the generation of maloperation.
Being additionally provided with the 3rd locking component, described 3rd locking component can forbid that fixed plate connecting plate rotates around fixed plate.
Although the second locking component arranged on shift fork can make shift fork individually rotate or makes the rotation of shift fork drive fixed plate connecting plate and/or active plate concomitant rotation, effectively prevent the generation of maloperation, but there are some unexpected situations unavoidably, therefore, clinching lock is provided with the 3rd locking component, further improves its safety.
Described 3rd locking component is the connection through hole being provided with correspondence between fixed plate and fixed plate connecting plate, and this connection through hole is provided with latch.
When using clinching lock locking locked object body, latch is inserted on through hole connecting, even if now the second locking component further groove and the second metal derby are nested together, maloperation rotates shift fork, owing to latch blocks the relative movement of fixed plate and fixed plate connecting plate, thus without causing locked object body to be unlocked, further improve safety.
Described lock is to be provided with female thread cylindrical hole, and corresponding bolt in one end of pressing plate.
There will be metal fatigue after machinery life-time service, fit tolerance occurs between parts and then occurs that gap is the most common.The combination that lock is female thread cylindrical hole and bolt of clinching lock, when the inconvenience of clinching lock is mobile when gap occurs in locked object, can regulate bolt and realize the further locking to locked object in the position of female thread cylindrical hole.
Described 4th connects post uses adjustable bolt.
Adjustable bolt is convenient to be coupled together all parts, and can according to actual needs, the relative position fixing with adjustable bolt by regulating the second chute, control shift fork upper groove and embed the degree of depth of the second metal derby, realize shift fork groove to contact with the second metal derby, also can be separate from.
Compared with prior art, there is advantages that
(1) the clinching lock of the present invention belongs to single combined locking device, it is to avoid tradition locking device is fixed the problem holding the locking caused that matches with movable end the tightest and occurred;
(2) the clinching lock of the present invention is provided with multiple locking component, can effectively prevent the generation of maloperation;
(3) the clinching lock of the present invention can effectively prevent locked object body from gap occur, and locking effect is notable.
Embodiment 1
As shown in Figures 2 and 3, a kind of clinching lock, including fixed plate 1, pressing plate 2, fixed plate connecting plate 4, active plate 3 and shift fork 5;
Described fixed plate 1 includes about the two pieces metallic plates be arrangeding in parallel, its rear end is fixing with locked object body to be connected, its front end is provided with the connecting hole being distributed at two in oblique line, including being positioned at first connecting hole 111 in outside and being positioned at the second connecting hole 112 of inner side, the front end of described fixed plate 1 is provided with inclination vacancy 114, and the rear end of described active plate 3 is positioned at this inclination vacancy 114 position;
Described pressing plate 2 is the block length strip metal plate between the two pieces of metallic plates being embedded in fixed plate 1, its one end is provided with threeth connecting hole 222 corresponding with the first connecting hole 111, it is provided with the 4th connecting hole 223 with a certain distance from the 3rd connecting hole 222, described certain distance is for when clinching lock is in locked object locking state, on pressing plate, the position of the 4th connecting hole 223 and active plate 3 are in same straight line, first connecting hole 111 and the 3rd connecting hole 222 are connected by the first connection intercolumniation gap, pressing plate 2 can connect post with first and rotate around fixed plate 1 for axle, the other end of pressing plate 2 connects lock, lock is female thread cylindrical hole 224 and corresponding bolt 225;
Described fixed plate connecting plate 4 includes about the two pieces metallic plates be arrangeding in parallel, it is enclosed within the outside of fixed plate 1, rear end is provided with fiveth connecting hole 441 corresponding with the second connecting hole 112, and connect the second connecting hole 112 and the 5th connecting hole 441 by the second connection intercolumniation gap, making fixed plate connecting plate 4 can connect post with second to rotate for axle around fixed plate 1, the front end of fixed plate connecting plate 4 is provided with the first through chute 444;
Described active plate 3 is made up of two blocks of elongated metal plates being enclosed within pressing plate 2 outer surface, its rear end is provided with the 6th connecting hole 331, and front end is provided with the 7th connecting hole 332, the 6th connecting hole 331 is corresponding with the 4th connecting hole 223 and is connected by the 3rd connection intercolumniation gap;
Described shift fork 5 includes the two blocks of pintle hook lock plates 555 be arrangeding and being sheathed on fixed plate connecting plate 4 outer surface up and down in parallel, the front end of two blocks of pintle hook lock plates 555 is connected by vertical metallic plate 553, metal 553 is provided with handle 554, pintle hook lock plate 555 is provided with the second through chute 551, described second chute 551, first chute 444 and the 7th connecting hole 332 are corresponding, and connected by the 4th connection post 6, described 4th connection post 6 is adjustable bolt, the rotational making the handle 554 by being fixed on shift fork 5 drives fixed plate connecting plate 4 and/or active plate 3 to rotate, and then by the rotation of the rotational band dynamic pressure plate 2 of active plate 3, the lock making pressing plate 2 one end leaves or withstands locked object body;
The side of described pressing plate 2 is provided with the first metal derby 221, and the length of the first metal derby 221 is more than the thickness of pressing plate 2 so that the first metal derby 221 can withstand active plate 3 and/or fixed plate connecting plate 4 and/or shift fork 5
The rear end of pintle hook lock plate 555 is provided with groove 552, the outer surface of fixed plate connecting plate 4 is provided with second metal derby 443 corresponding with groove 552, when groove 552 is inserted in the second metal derby 443, the rotation of shift fork 5 drives fixed plate connecting plate 4 and active plate 3 concomitant rotation, when groove 552 departs from the second metal derby 443, shift fork 5 individually rotates;
It is provided with the connection through hole 113 of correspondence between fixed plate 1 and fixed plate connecting plate 4 and connects through hole 442, and on two opposing through-bores, being provided with latch 7, in the case of maloperation shift fork can be prevented, being also not result in that locked object body unlocks.
As shown in Figure 1, described fixed plate 1, pressing plate 2, fixed plate connecting plate 4, active plate 3 and shift fork 5 are in four-layer structure, wherein fixed plate 1, fixed plate connecting plate 4, active plate 3 and pintle hook lock plate 555 be arranged in parallel along its length, described pressing plate 2 is vertically arranged along its length, in described four-layer structure, layer centered by pressing plate 2, it is the second layer that fixed plate 1 and active plate 3 are placed on pressing plate 2 upper and lower surface, it is third layer that fixed plate connecting plate 4 is enclosed within the upper and lower surface of fixed plate 1 and active plate 3 again, and the upper and lower surface that shift fork 5 is enclosed within fixed plate connecting plate 4 is the 4th layer.
Above-described embodiment is only the wherein specific implementation of the present invention, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these obvious alternative forms belong to protection scope of the present invention.