Background technology
In some engineering goods, often there is the structure of various door so as to carry out material input, isolation external environment, improve safety and maintenance etc., the door closure installed in dryer is exactly common structure, dryer renders in drying roller by wet wash, hot blast is provided to drums inside, clothing is dried, door closure reduces scattering and disappearing of heat to greatest extent for throwing in or take out washings and being in operation, therefore door closure also will be convenient to be separated while will compressing with body, and reach this purpose just will by means of locking device.
The engineering goods locking device related at present, especially in dryer door closure locking device, adopt comparatively generally separate type locking device, so-called separate type locking device comprises fixed end and movable end, fixed 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 links up with fixed end the hook be engaged mutually.When door closure is closed, wave and swing certain angle, make two to link up with occlusion mutually, the door closure of dryer can be made to be in closed condition, when door closure opened by needs, wave and swing certain angle, two hooks be mutually engaged are separated from each other, the door closure of dryer can be made to be separated, but the shortcoming of this locking device is, two hooks be mutually engaged there will be loosening after long-term use, door closure and fuselage is caused to there will be gap under the state compressed, now heat may flow away from gap, moreover, locking device is by the occlusion mutually of two hooks, when door closure closed by needs time, if pay no heed to, the hook impact force that door closure is shut probably being made to be arranged on movable end on door closure and fixed end collides, then rupture, this causes very large trouble to use.
Application number be 03144503.9 patent document discloses a kind of door lock assembly, comprise casing, be rotatably installed in casing side and be provided with the door of hook, 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 outstanding hook, and the front protruding at hook is formed with rake above, when just pushing supporter open at closing time, guides it to enter; Be formed with rake below at the rear of Qianmen rake, just push supporter open when opening the door, guiding it to exit.Like this, at closing time, guide the discrepancy of hook, to use minimum strength just can easily switch gate, and limit the random disengaging of door, add the drying effect of dryer, the weak point of this invention is: why hook can back down supporter, because supporter has spring supporting, but after long-term use, folding credit union causes the aging of spring, causes being not closed completely, and collide for a long time also can serious wear in the place that supporter contacts with hook, further cause the phenomenon not life be not closed completely.
Utility model content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of clinching to lock, the utility model avoids traditional locking device and collides the damage problem caused inadvertently, locking effect is good, and locked object can be made to fit together perfectly, and Long-Time Service compression effect can not weaken.
In order to solve the problems of the technologies described above, the utility model adopts following scheme to realize:
A clinching lock, comprises fixed head, pressing plate, fixed head junction plate, active plate and shift fork;
Described fixed head comprises about the two pieces metal sheets be arranged in parallel, and its rear end is fixedly connected with locked object body, and its front end is provided with the connecting hole that two places are oblique line distribution, comprises the first connecting hole being positioned at outside and the second connecting hole being positioned at inner side;
Described pressing plate be embedded in fixed head two pieces of metal sheets between a block length strip metal plate, its one end is provided with three connecting hole corresponding with the first connecting hole, the 4th connecting hole is provided with a certain distance from the 3rd connecting hole, first connecting hole and the 3rd connecting hole are by the first joint pin recessed bond ing, make pressing plate can with the first joint pin for axle rotates around fixed head, the other end of pressing plate be then connected with lock;
Described fixed head junction plate also comprises about the two pieces metal sheets be arranged in parallel, it is enclosed within the outside of fixed head, rear end is provided with five connecting hole corresponding with the second connecting hole, and by the second joint pin recessed bond ing second connecting hole and the 5th connecting hole, make fixed head junction plate can with the second joint pin for axle rotates around fixed head, the front end of fixed head junction plate be provided with the first through chute;
Described active plate is made up of the elongated metal plate that two pieces are enclosed within pressing plate external surface, and its rear end is provided with the 6th connecting hole, and front end is provided with the 7th connecting hole, and the 6th connecting hole is corresponding with the 4th connecting hole and by the 3rd joint pin recessed bond ing;
Described shift fork comprises and be arranged in parallel up and down and be sheathed on two blocks of pintle hook lock plates of fixed head junction plate external surface, the front end of two blocks of pintle hook lock plates is connected by vertical metal sheet, pintle hook lock plate is provided with the second through chute, described second chute, the first chute are corresponding with the 7th connecting hole, and connected by the 4th joint pin, make to drive fixed head junction plate and/or active plate to rotate by the rotational of shift fork, and then the rotation of rotating band dynamic pressure plate by active plate, make the lock of pressing plate one end leave or withstand locked object body.
The clinching lock rear end of fixed head is connected with the geo-stationary end of locked object body, lock on pressing plate then compresses locked object body, when being applied in dryer, clinching lock is arranged on the side of door closure on dryer by the rear end of its fixed head, lock on pressing plate then holds out against door closure, thus realizes the compression of door closure and body.When unlocking, fixed head junction plate and/or active plate just can be driven to rotate by rotating shift fork, and then the rotation of rotating band dynamic pressure plate by active plate, make the lock of pressing plate one end leave locked object door closure.
Be specially: the first chute on fixed head junction plate is corresponding with the second chute on shift fork, and connected by the 4th joint pin, the 5th connecting hole on fixed head junction plate passes through the second connecting hole recessed bond ing of the second joint pin and fixed head, when shift fork rotates, 5th connecting hole then becomes the center of rotation, along with the rotation fixed head junction plate of shift fork with the second joint pin for axle rotates thereupon, 7th connecting hole of active plate and the 4th joint pin recessed bond ing, 6th connecting hole of active plate and the 4th connecting hole recessed bond ing of pressing plate, 3rd connecting hole of pressing plate and the first connecting hole recessed bond ing of fixed head, so when shift fork rotates, draw the 7th connecting hole of active plate, active plate rotates thereupon, and four connecting hole of the 6th connecting hole of active plate to pressing plate produces draw thereupon, because the first connecting hole recessed bond ing of the 3rd connecting hole of pressing plate and fixed head, 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 the 4th connecting hole, pressing plate just can realize rotating centered by the 3rd connecting hole.
On pressing plate, apart from the 3rd connecting hole certain distance, the 4th connecting hole is being set, the connection that so-called certain distance refers to active plate and the 4th connecting hole can realize the traction to pressing plate, the traction that the setting being specially the 4th connecting hole position on pressing plate makes the 6th connecting hole of the active plate be attached thereto can realize it, thus make pressing plate realize rotating.Preferably, when clinching lock is in locked object locking state, on pressing plate, position and the active plate of the 4th connecting hole is in same straight line for the best.
Described fixed head, pressing plate, fixed head junction plate, active plate and shift fork are four-layer structure, wherein fixed head, fixed head junction 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 head and active plate are placed on pressing plate upper and lower surface, the upper and lower surface that fixed head junction plate is enclosed within fixed head and active plate is again third layer, and the upper and lower surface that shift fork is enclosed within fixed head junction plate is the 4th layer.
Just because of the mechanism of this four layers, all parts is all linked with one another, make the rotation being driven fixed head junction plate and/or active plate by the rotational of shift fork, and then the rotation of rotating band dynamic pressure plate by active plate, make the lock of pressing plate one end leave or withstand locked object body; Pressing plate is arranged on intermediate layer, stressed the most even when making pressing plate be in locking state, reduces the wearing and tearing of clinching lock.
The front end of described fixed head 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 head is provided with inclination vacancy, therefore the metal sheet in fixed head is similar with right-angled trapezium in shape, the front end of described fixed head is provided with the connecting hole that two places are oblique line distribution, namely arranges connecting hole in the position at two angles corresponding to the oblique waist of class right-angled trapezium metal sheet.The rear end of active plate is positioned at inclination vacancy position, reduce the distance of active plate and fixed head, reduce the volume of whole clinching lock, realize stepping down to active plate when clinching lock rotates, make active plate energy smooth rotation and be with dynamic pressure plate to 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 be provided with the first metal derby in the side of pressing plate, and the length of this first metal derby is greater than the thickness of pressing plate, makes the first metal derby can withstand active plate and/or fixed head junction plate and/or shift fork.
Owing to being the rotation utilizing shift fork to drive fixed head junction plate and active plate, and then the rotation of rotating band dynamic pressure plate by active plate, the lock of pressing plate one end is made to withstand locked object body, if therefore do not arrange locking component, then shift fork, fixed head junction 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, the thickness that the length of metal derby is only greater than pressing plate can stop the rotation of shift fork, fixed head junction plate and active plate, the position that metal derby is fixed on pressing plate is specially, when pressing plate is vertical with active plate, the position that metal derby is arranged just barrier activity junction plate is best.
Described shift fork is also provided with the second locking component, and described second locking component can make shift fork rotate separately or make the rotation of shift fork drive fixed head junction plate and/or active plate to rotate thereupon.
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, when not needing to unlock, maloperation shift fork probably causes serious consequence, and the second locking component can make shift fork rotate separately, that is now the rotation of shift fork can not with the rotation of dynamic pressure plate, and locked object body also would not unlock.
Described second locking component is be provided with groove in the rear end of pintle hook lock plate, and be provided with second metal derby corresponding with groove at the external surface of fixed head junction plate, when groove is inserted in the second metal derby, the rotation of shift fork drives fixed head junction plate and active plate to rotate thereupon, when groove departs from the second metal derby, shift fork rotates separately.
When using clinching lock locking locked object, the second chute is provided with 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 on pintle hook lock plate and the second metal separation, go to rotate shift fork if now there is maloperation, but the rotation of shift fork can only be realized and the rotation that can not realize shift fork also drives 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 the groove on pintle hook lock plate and the second metal separation, now also can prevent the generation of maloperation.
Also be provided with the 3rd locking component, described 3rd locking component can forbid that fixed head junction plate rotates around fixed head.
Although the second locking component arranged on shift fork can make shift fork rotate separately or make the rotation of shift fork drive fixed head junction plate and/or active plate to rotate thereupon, effectively prevent the generation of maloperation, but there are some unexpected situations unavoidably, therefore, 3rd locking component is provided with to clinching lock, further improves its safety.
Described 3rd locking component is between fixed head and fixed head junction plate, be provided with corresponding connecting through hole, and this connecting through hole is provided with latch.
When using clinching lock locking locked object body, connecting through hole inserts latch, even if now the second locking component further groove and the second metal derby are nested together, shift fork is rotated in maloperation, because latch blocks the relative movement of fixed head and fixed head junction plate, therefore locked object body can not be caused to be unlocked, further to improve safety.
Described lock is be provided with internal thread cylindrical hole in one end of pressing plate, and bolt corresponding with it.
There will be metal fatigue after machinery Long-Time Service, occur fit tolerance between parts and then occur that gap is very common.The lock of clinching lock is the combination of internal thread cylindrical hole and bolt, and when when gap appears in locked object, the inconvenience of clinching lock is mobile, energy adjusting bolt realizes the further locking to locked object in the position of internal thread cylindrical hole.
Described 4th joint pin adopts adjustable bolt.
Adjustable bolt is convenient to be coupled together all parts, and according to actual needs, by the relative position regulating the second chute and adjustable bolt to fix, the degree of depth that shift fork upper groove embeds the second metal derby can be controlled, realize shift fork groove to contact with the second metal derby, also can be separated with it.
Compared with prior art, the utility model has following beneficial effect:
(1) clinching of the present utility model lock belongs to single combined locking device, and the not tight problem of the locking avoiding traditional locking device fixed end to match with movable end causing occurs;
(2) clinching lock of the present utility model is provided with multiple locking component, effectively can prevent the generation of maloperation;
(3) clinching lock of the present utility model can effectively prevent locked object body from occurring gap, and locking effect is remarkable.
Detailed description of the invention
In order to allow those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further elaborated.
Embodiment 1
As shown in Figures 2 and 3, a kind of clinching lock, comprises fixed head 1, pressing plate 2, fixed head junction plate 4, active plate 3 and shift fork 5;
Described fixed head 1 comprises about the two pieces metal sheets be arranged in parallel, its rear end is fixedly connected with locked object body, its front end is provided with the connecting hole that two places are oblique line distribution, comprise the first connecting hole 111 being positioned at outside and the second connecting hole 112 being positioned at inner side, the front end of described fixed head 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 for be embedded in fixed head 1 two pieces of metal sheets between a block length strip metal plate, its one end is provided with three connecting hole 222 corresponding with the first connecting hole 111, the 4th connecting hole 223 is provided 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 by the first joint pin recessed bond ing, pressing plate 2 can with the first joint pin for axle rotates around fixed head 1, the other end of pressing plate 2 is connected with lock, lock is internal thread cylindrical hole 224 and bolt 225 corresponding with it,
Described fixed head junction plate 4 comprises about the two pieces metal sheets be arranged in parallel, it is enclosed within the outside of fixed head 1, rear end is provided with five connecting hole 441 corresponding with the second connecting hole 112, and by the second joint pin recessed bond ing second connecting hole 112 and the 5th connecting hole 441, make fixed head junction plate 4 can with the second joint pin for axle rotates around fixed head 1, the front end of fixed head junction plate 4 be provided with the first through chute 444;
Described active plate 3 is made up of the elongated metal plate that two pieces are enclosed within pressing plate 2 external 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 by the 3rd joint pin recessed bond ing;
Described shift fork 5 comprises and be arranged in parallel up and down and be sheathed on two blocks of pintle hook lock plates 555 of fixed head junction plate 4 external surface, the front end of two blocks of pintle hook lock plates 555 is connected by vertical metal sheet 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 corresponding, and connected by the 4th joint pin 6, described 4th joint pin 6 is adjustable bolt, the rotational of the handle 555 by being fixed on shift fork 5 is made to drive fixed head junction plate 4 and/or active plate 3 to rotate, and then the rotation of rotating band dynamic pressure plate 2 by active plate 3, the lock of pressing plate 2 one end is made to leave or withstand locked object body,
The length that the side of described pressing plate 2 is provided with the first metal derby 221, first metal derby 221 is greater than the thickness of pressing plate 2, makes the first metal derby 221 can withstand active plate 3 and/or fixed head junction plate 4 and/or shift fork 5
The rear end of pintle hook lock plate 555 is provided with groove 552, the external surface that fixed head connects version 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 head junction plate 4 and active plate 3 to rotate thereupon, when groove 552 departs from the second metal derby 443, shift fork 5 rotates separately;
Be provided with corresponding connecting through hole 113 and connecting through hole 442 between fixed head 1 and fixed head junction plate 4, and be provided with latch 7 on two opposing through-bores, can prevent from locked object body also can not being caused to unlock when maloperation shift fork.
As shown in Figure 1, described fixed head 1, pressing plate 2, fixed head junction plate 4, active plate 3 and shift fork 5 are in four-layer structure, wherein fixed head 1, fixed head junction 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 head 1 and active plate 3 are placed on pressing plate 2 upper and lower surface, the upper and lower surface that fixed head junction plate 4 is enclosed within fixed head 1 and active plate 3 is again third layer, and the upper and lower surface that shift fork 5 is enclosed within fixed head junction plate 4 is the 4th layer.
Above-described embodiment is only wherein specific implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection domain of the present utility model.