Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific embodiment.
As shown in Fig. 1~7, for the preferred embodiment that the present invention is provided.
Shown in reference picture 1~7, the door latch structure that the present embodiment is provided is used in dish-washing machine, and certainly, it can also be used
In any required door latch structure enters line-locked equipment, such as locker, micro-wave oven are not limited in the present embodiment
Utilization.
Shown in reference picture 1~3, door latch structure can be arranged in door body and door closure, and door body is oppositely arranged with door closure, door closure
Can be used for closing door body.Door latch structure includes grille body 1 and door latch 2, and grille body 1 is connected in door body, and it includes two
Rotating bar 13 and dynamical element 10, wherein, the middle part of two rotating bars 13 is hinged, and forms pin joint 138, so that, two rotating bars
13 form cross-like, and so, two rotating bars 13 can be rotated around pin joint 138 respectively so that between the end of two rotating bar 13
Spacing increase or reduce.
Certainly, in actual use, directly pin joint 138 can be connected in door body, so that two rotating bars 13
Can be with opposing oscillatory.
The outer end of two rotating bars 13 forms two gripping ends 131 positioned opposite respectively towards inner bending, two gripping ends 131 it
Between formed gripping region 133, so, with two rotating bars 13 around interface point rotate, the gripping region 133 can increase or contract
It is small.Above-mentioned dynamical element 10 is connected to the inner of two rotating bars 13, for driving two rotating bars 13 respectively around pin joint 138
Rotate.
" the inner " and " outer end " for the rotating bar 13 referred in above-mentioned, refers respectively to the pin joint 138 of rotating bar 13
It is boundary, the two ends that rotating bar 13 is formed.
Door latch 2 is oppositely arranged with the outer end of two rotating bars 13, and it is connected on door closure, and in bulk, certainly, it can also
It is other shapes, as long as it can be clamped by the gripping end 131 of two rotating bars 13 then may be used.
In addition, door latch structure also includes push rod 12, the push rod 12 is connected in door body by the first spring 14, and towards door closure
It is disposed to extend.
In practice, the grille body 1 of above-mentioned door latch structure and push rod 12 can be connected in door body, door
Lock 2 is connected on door closure, so, when needing to lock door body and door closure, by door closure near door body, shown in reference picture 2, is moved
Power element 10 drives two rotating bars 13 around pin joint 138, rotates inwardly respectively, and now, the angle between two rotating bars 13 diminishes,
Gripping region 133 between the gripping end 131 of two rotating bars 13 diminishes, such that it is able to the door that will be in the gripping region 133
Lock 2 is clamped, and now push rod 12 is then connected in door body, in confined state;Certainly, when needing to unclamp door latch structure,
Namely so that being separated between door closure and door body, shown in reference picture 4~5, dynamical element 10 drives two rotating bars 13 around pin joint
138 rotate outwardly respectively, and now, the angle between two rotating bars 13 becomes big, the gripping between the gripping end 131 of two rotating bars 13
Region 133 increases, so that, the abutting with door latch 2 is unclamped at gripping end 131, now, in the presence of the first spring 14, push rod
Door closure is pushed away door body by 12 so that door latch 2 spins off from the gripping region 133 between two gripping ends 131, so that, it is real
Existing door body unclamps locking with door closure, also, door closure belongs to full-automatic process with the disengaging process of door body, it is not necessary to manual operation.
The present embodiment door latch structure is used in dish-washing machine, now, door body is inner bag, and door latch 2 is arranged on dish-washing machine
Door closure on, and grille body 1 is arranged on the inner bag of dish-washing machine, so, using the connection between grille body 1 and door latch 2, can
Linked together with inner bag with by door closure, so that dish-washing machine realizes lock-out state, when grille body 1 and door latch 2 unclamp to be connected,
Then dish-washing machine is in open mode.
So, when dish-washing machine is during dry, can be by controlling dynamical element 10, the dynamical element 10 drives automatically
Dynamic two rotating bars 13 swing outwardly so that the gripping regions 133 between two gripping ends 131 increase so that, grille body 1 unclamp with
Door latch 2 is connected, and door closure can be pushed away inner bag by push rod 12, and so, dish-washing machine is realized automatic in drying stage by door latch structure
Open the door, the moisture vapor in inner bag 3 in body can be distributed outwards, and so as to greatly improve its drying property, it can guarantee that
The low energy consumption performance of dish-washing machine.
Shown in reference picture 2 and Fig. 3, in the present embodiment, the medial surface at two gripping ends 131 is respectively formed with groove 132, and two is recessed
Groove 132 is opposite to be arranged, so that, when two gripping ends 131 are when door latch 2 is gripped, the both sides of door latch 2 are respectively placed in two groove
In 132 so that stable connection between gripping end 131 and door latch 2, that is, when ensureing that door latch structure is in the lock state, its
Locking effect is preferable.
Certainly, in order to increase the frictional force between groove 132 and door latch 2, the side wall of groove 132 is formed with multiple alternate
The fin being arranged in juxtaposition, even if being also formed with concaveconvex structure on the side wall of groove 132.
In the present embodiment, dynamical element 10 has mobile bar 101, and the mobile bar 101 is arranged in the inner of two rotating bars 13
Between, it is connected to respectively between the inner of two rotating bars 13, so that, as the mobile bar 101 of dynamical element 10 is towards pin joint
138 movements, it can drive two rotating bars 13 to rotate outwardly, that is, the two gripping regions 133 gripped between ends 131 increase.
When certainly, in order that the mobile bar 101 of proper dynamical element 10 bounces back, can turn inwardly between two rotating bars 13
It is dynamic, so that whole door latch structure is locked or opened automatically, in the present embodiment, in the both sides of pin joint 138, two rotating bars 13
Between enclose, be respectively formed with end 136, be respectively equipped with second spring 137 in the both sides end regions 136, this second
Spring 137 is disposed to extend along the inside and outside extreme direction of rotating bar 13, and its two ends is connected in two rotating bars 13.
So, the second spring 137 between two rotating bars 13 is in its pre-compressed state, so, when the shifting of dynamical element 10
When lever 101 is moved outwardly, the angle increase between two rotating bars 13 is driven, now, second spring 137 continues further to be pressed
Contracting;When mobile bar 101 retracts, in the presence of the restoring force of second spring 137, two rotating bars 13 are then rotated inwardly, both
Between angle then diminish, that is, two gripping ends 131 gripping door latch 2.
In the present embodiment, in order to second spring 137 is during by compression or elongation, its deformation direction will not change,
And the second spring 137 is easily installed, two are respectively equipped with each end 136 and are disposed to extend along extreme direction inside and outside rotating bar 13
Sleeve 135, one end of two sleeve 135 is connected in the rotating bar 13 of the both sides of end 136, and its other end is opposite
Arrangement, and with interval, the two ends of the second spring 137 in end 136 are then respectively placed in two sleeves 135, then can be real
The installation of existing two second springs 137.
In addition, two above-mentioned sleeves 135 can also be limited maximum angle between two rotating bars 13, that is to say, that
Interval between two sleeves 135, is ultimate range that second spring 137 is compressed.
In the present embodiment, in order to 101 pairs of two rotating bars 13 of mobile bar are preferably promoted, the outer end of mobile bar 101 is provided with end
First 102, the both sides of the termination 102 are connected in two rotating bars 13 respectively.The both sides of termination 102 take the form of inclined plane respectively, so, can
Ensure that the both sides of termination 102 are connected on the side wall of rotating bar 13 completely.
As other embodiments, between two rotating bars 13, it is also possible to be not provided with above-mentioned second spring 137, now,
Track slot can be set on the side wall of two rotating bars 13, the track slot is disposed to extend along the length direction of rotating bar 13, and mobile bar
101 termination 102 is respectively provided on two sides with guide rail, and the guide rail is embedded in track slot, it is possible to moved along track slot.So, when
When termination 102 is moved outwardly, under the squeezing action of termination 102, angle increases two rotating bars 13;When termination 102 bounces back,
Under the cooperation of guide rail and track slot, two rotating bars 13 are rotated inwardly automatically under the traction of termination 102, and angle between the two becomes
It is small.
Certainly, by setting the cooperation of termination 102 and rotating bar 13, or by set second spring 137 all can, specifically
Depending on visual actual demand is set.
In the present embodiment, dynamical element 10 is magnetic valve, and when solenoid valves, mobile bar 101 is moved outwardly, works as electromagnetism
When valve is powered off, mobile bar 101 then bounces back reset, and certainly, dynamical element 10 can also be other plurality of devices, such as cylinder.
In the present embodiment, door latch structure also includes shell 11, and the shell 11 is connected in door body, is provided with shell 11 and put
Put chamber 112, and the front end of shell 11 is communicated with the first opening of placed cavity 112, above-mentioned dynamical element 10 and two is rotated
Bar 13 is placed in the placed cavity 112, and its pin joint 138 is connected to the bottom of placed cavity 112, and the outer end of rotating bar 13 is extended
First opening, and it is positioned opposite with door latch 2.
Certainly, as other embodiments, door latch structure can not also include shell 11, directly by the hinge of two rotating bars 13
Contact 138 be connected on the part that needing, the door latch structure is set then can, such as in door body.
In above-mentioned shell 11, the rear end of placed cavity 112 is convexly equipped with back cavity, back cavity connection placed cavity 112, above-mentioned
Dynamical element 10 is then placed in the back cavity, and its mobile bar 101 is extended in placed cavity 112, and is placed between two rotating bars 13.
In the present embodiment, in the both sides of placed cavity 112, side chamber 111 is respectively arranged with, and the front end of shell 11 is provided with company
Lead to second opening in the side chamber 111, in the present embodiment, push rod 12 is provided with two, and two push rods 12 are individually positioned in both sides
In the chamber 111 of end, the second opening of the outer end of push rod 12 alignment arrangement, by described the between its inner and bottom in side chamber 111
One spring 14 is connected.
So, when door latch structure is in the lock state, the outer end of push rod 12 is compressed by external component, is placed in side chamber
In 111, now, the first spring 14 is compressed;When door latch structure is opened, now, external component applying power is pressed on push rod 12
Outer end, push rod 12 is outer mobile towards the second opening in the presence of the restoring force of the first spring 14, so as to will connect two outside
Isolation of components.
In addition, in order to be positioned to the distance that push rod 12 is moved outwardly, and avoid push rod 12 from departing from from side chamber 111
Out, the periphery of the inner of push rod 12 is convexly equipped with ring wall 18, and so, in the presence of the first spring 14, push rod 12 is moved outwardly, directly
It is pressed on second opening in side chamber 111 to ring wall 18 thereon, then will not continue to move outwardly.
Used as other embodiments, push rod 12 can also be arranged on other positions, be not limited to rotating bar 13
Both sides, certainly, its set form can also variation, as long as its can realize by door closure push away door body then can, such as can be bullet
Property deformation shell fragment etc..
When two rotating bars 13 are rotated inwardly respectively, to grip during door latch 2, in order to the rotation to rotating bar 13 is limited
Position, it is ensured that two gripping ends 131 then stop operating when door latch 2 is clamped, and in the present embodiment, the bottom of placed cavity 112 is convexly equipped with
Boss 16, the boss 16 is placed between the outer end of two rotating bars 13, and its both sides is connected to the inner side of two rotating bars 13 respectively, this
Sample, when two rotating bars 13 are rotated inwardly respectively, when its inner side is connected on the side wall of boss 16 respectively, then stops operating.
Certainly, the shape for being formed between the shape of raised line and two rotating bars 13 is similar, and its two side takes the form of inclined plane.
In the present embodiment, shell 11 has base and upper lid to constitute, and placed cavity 112 and side chamber 111 are all disposed within base
In, certainly, the shape and structure of shell 11 can also be that other are various, be not limited to the present embodiment.
Refer again to shown in Fig. 6~Fig. 7, the dish-washing machine that the present embodiment is also provided, it includes inner bag 3, door closure 4 and above-mentioned
Door latch structure, wherein, door body is then inner bag 3, and the cavity volume 31 with front opening in inner bag 3, door closure 4 is placed in the opening of cavity volume 31
Place, for closing the opening, its side is hinged on the side wall of inner bag 3, and the grille body 1 of above-mentioned door latch structure is fixed on inner bag
On 3 side wall, towards extension outside the opening of cavity volume 31, door latch 2 is arranged on the opposite side of door closure 4 at the gripping end 131 of rotating bar 13
On.
So, dish-washing machine is, it is necessary to when door closure 4 closes the cavity volume 31 of inner bag 3, door closure 4 is closed and held during washing the dishes
On the opening in chamber 31, the door latch 2 on door closure 4 is clamped at the gripping end 131 of two rotating bars 13, now, as shown in fig. 7, dish-washing machine
It is in the lock state;When dish-washing machine is in drying stage, now, the gripping end 131 of two rotating bars 13 is unclamped to door latch 2
Gripping, so that, in the presence of push rod 12, door closure 4 can then pushed away from inner bag 3, so that, door closure 4 can be from the opening of cavity volume 31
Upper opening, as shown in fig. 6, for dish-washing machine is in open mode.
When dish-washing machine is in drying stage, door closure 4 is opened, and now, the moisture vapor in inner bag 3 can outwards dissipate
Hair, so as on the basis of dish-washing machine low energy consumption is ensured, greatly improve its drying property.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.