CN106048982A - Door lock - Google Patents
Door lock Download PDFInfo
- Publication number
- CN106048982A CN106048982A CN201610070933.7A CN201610070933A CN106048982A CN 106048982 A CN106048982 A CN 106048982A CN 201610070933 A CN201610070933 A CN 201610070933A CN 106048982 A CN106048982 A CN 106048982A
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- China
- Prior art keywords
- cam
- door lock
- sliding pin
- door
- positioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a door lock which comprises a cam, a bias force device, a positioning device and a slide pin, wherein the cam is equipped with a cam hook and a shaft, the cam can be rotated around the shaft, the cam comprises a head part and a tail part, and the cam head part has an opening; the bias force device applies bias force to the cam; the positioning device is equipped with a first stable position and a second stable position; and the slide pin comprises a first end and a second end, the first end of the slide pin is fixed on the tail part of the cam, and the second end of the slid pin forms movable fitting with the positioning device, so that the slide pin can move between the first stable position and the second stable position in the positioning device when the cam is rotated. The door lock provided by the invention is characterized in that a door of electric appliance equipment can be opened by pushing; the lock has a small size and a compact structure; and the production cost can be effectively reduced.
Description
Technical field
The present invention relates to the door lock of a kind of electric equipment (such as washing machine), particularly to one by pushing
Realize opening the door lock of the door of electric equipment (such as washing machine).
Background technology
Door lock can be used for the door controlling to pin or open electric equipment (such as washing machine).For existing absolutely
For most of door locks, when the door of electric equipment to be opened (such as washing machine), user need to first be held
Handle on the door of electric equipment (such as washing machine), the most outwards applies pulling force, could be opened by door.
This operation at least brings problems with: when 1) being pulled outwardly the door of electric equipment (such as washing machine), past
Toward needing the bigger power of use to be pulled open by door, relatively elaborate;2) action pulled generally requires people
Hands operates, but when staff occupied (such as having the clothes that a pile is to be washed in arms) or have other reasons (as
Hands is injured) time, the most very inconvenient going is pulled;3) for realizing sliding door, need to design handle on door
Hands, both may affect the attractive in appearance of electric equipment, and can increase again design and production cost.
For solving only just can open the drawback of door by sliding door, prior art there is one beat by pushing
The door lock of the door of turn on equipment (such as washing machine), its function realized is mainly: work as electric equipment
When the door of (such as washing machine) is in open mode, opposite house applies external thrust, and door realizes closing;To pass
The door of the electric equipment (such as washing machine) that closed applies external thrust, and door can realize opening.But for upper
State the existing door lock realizing opening door by pushing, there is that volume is big, structure is complicated and produce
The problem that cost is high.
But, for being arranged on the door lock on electric equipment (such as washing machine), it have to meet volume
Little, the construction features of compact conformation, reduces production cost simultaneously the most as far as possible.
Summary of the invention
In order to overcome weak point of the prior art, the invention provides a kind of door lock, including:
Cam, which is provided with cam hook, and cam has axle, and cam can be around axis rotation, and cam has
Having head and afterbody, the head of cam is provided with opening;
Bias force device, bias force device applies bias force to cam;
Positioner, positioner is provided with the first settling position and the second settling position;
Sliding pin, sliding pin has the first end and the second end, and the first end of sliding pin is fixed on the afterbody of cam, sliding
Second end of pin forms mobile cooperation with positioner so that cam is when rotating, and sliding pin is at positioner
In the first settling position and the second settling position between move.
The door lock of the present invention functionally achieves opens electric equipment (such as washing machine) by pushing
Door, meets the most again that volume is little, the feature of compact conformation, even if thus in narrow and small installation simultaneously
Also can install easily in space;Meanwhile, based on said structure feature, moreover it is possible to effectively reduce door lock
Production cost.
Use the door lock of the present invention, when opening the door of electric equipment (such as washing machine) without carrying out sliding door behaviour
Make, the most just need not design handle on door, so not interfering with (or the moulding attractive in appearance of electric equipment
Design), design and the production cost of handle can be exempted again simultaneously.
The cam mechanism of door lock of the present invention drives box independent of existing door lock, therefore can carry out independent design
And production, then drive with door lock box to carry out coordinating installation and using, therefore effectively achieve door lock
Modularized design.
The cam of the present invention can also apply (or applying after simple transformation) to other multiple locking door locks
In (as traditional realizes opening the door lock of the door of electric equipment by sliding door), simple in construction, it is transformed into
This is low.
Accompanying drawing explanation
Fig. 1 is door lock 100 of the present invention and the axonometric chart of gate stop 107;
Fig. 2 A be door lock 100 shown in Fig. 1 is overturn after the schematic diagram that obtains;
Fig. 2 B is in door lock 100 shown in Fig. 2 A, the cam mechanism 214 assembling on door lock shell 102
Figure, it is shown that the outside (or back side) of cam mechanism 214;
Fig. 3 A is inside (or front) schematic diagram of cam mechanism 214 shown in Fig. 2 B;
Fig. 3 B is the blast installation diagram of cam mechanism 214 shown in Fig. 3 A;
Fig. 3 C is the view of the opposite side of cam mechanism 214 shown in Fig. 3 B;
Fig. 4 is the sectional view of the A-A along the line of door lock 100 shown in Fig. 2 A, it is shown that cam 302 is in position of unblanking
Put;
Fig. 5 A is the schematic diagram after sectional view shown in Fig. 4 moves cam mechanism installing rack 301;
Fig. 5 B corresponds to the blast installation diagram of Fig. 5 A;
Fig. 6 is the sectional view of the A-A along the line of door lock 100 shown in Fig. 2 A, it is shown that cam 302 is in locking position
Put;
Fig. 7 A is the schematic diagram that sectional view shown in Fig. 6 moves cam mechanism installing rack 301;
Fig. 7 B corresponds to the blast installation diagram of Fig. 7 A;
Fig. 8 A is when cam 302 rotates to blocking from unlocking condition, and sliding pin 316 guides in heart
From original position A to the moving process schematic diagram of end position C in groove 314;
Fig. 8 B is when cam 302 rotates to unlocking condition from blocking, and sliding pin 316 guides in heart
From end position C to the moving process schematic diagram of original position A in groove 314;
Fig. 9 A is when cam 302 is in unlocking condition, it is shown that door lock drives slide block 902 in box 212
Position and the schematic diagram of mutual relation with cam 302;
Fig. 9 B is when cam 302 is in blocking, it is shown that door lock drives slide block 902 in box 212
Position and the schematic diagram of mutual relation with cam 302;
Figure 10 is door lock 100 shown in Fig. 1 and the installation diagram of gate stop 107, and further illustrates slide block
902 and cam mechanism 214 in cam 302 between the relation that cooperates.
Detailed description of the invention
Below with reference to the accompanying drawing constituting this specification part, the various detailed description of the invention of the present invention are entered
Line description.Although it should be understood that and use the term representing direction in the present invention, such as
"front", "rear", " on ", D score, "left", "right", " vertically " or " parallel "
Deng various example features and the element of the description present invention, but these terms are used to be intended merely at this
Facilitate descriptive purpose, determine based on the example orientations shown in accompanying drawing.Due to presently disclosed
Embodiment can arrange according to different directions, so these represent directions term be intended only as explanation
And should not be considered as limiting.In figures in the following, same parts use same drawing number, phase
As parts use similar drawing number, to avoid repeated description.
For convenience of identification, each labelling in figure is respectively as follows:
Door lock 100
Door lock shell 102
Door lock hole 105
Gate stop 107
Door stop hole 109
(door lock shell 102) installing hole (121.1,121.2)
Door lock drives box 212
Cam mechanism 214
Cam mechanism installing rack 301
(cam mechanism installing rack 301) medial wall 301.2
Cam 302
Cam hook 304
(cam 302) axle 306 (including axle 306.1, axle 306.2)
(cam mechanism installing rack 301) installing port (307.1,307.2)
(cam 302) opening 308
(cam 302) installing hole 309
Torsion spring (bias force device) 312
Gathering sill body 313
Heart-shaped gathering sill (positioner) 314
Sliding pin 316
(cam mechanism 214) installing hole pillar (321.1、321.2)
(torsion spring 312) first stress section 323.1
(torsion spring 312) first stress section 323.2
(torsion spring 312) spirillum 324
(cam 302) groove 336
(cam 302) cell wall 337
(cam mechanism installing rack 301) chute 340
Slide block (slide block mechanism) 902
(slide block 902) head 902.1
(slide block 902) afterbody 902.2
Sliding block spring 906
Fig. 1 is door lock 100 of the present invention and the axonometric chart of gate stop 107.As it is shown in figure 1, door lock 100
Including door lock shell 102.Door lock shell 102 is provided with door lock hole 105, and door lock hole 105 is for receiving one
Hook 107, the head of gate stop 107 is provided with door stop hole 109.
Fig. 2 A be door lock 100 shown in Fig. 1 is overturn after the schematic diagram that obtains.Such as Fig. 2 A institute
Showing, door lock 100 includes that door lock drives box 212 and cam mechanism 214, and door lock drives box 212 and cam
Mechanism 214 is arranged on door lock shell 102.
Fig. 2 B is in door lock 100 shown in Fig. 2 A, the cam mechanism 214 assembling on door lock shell 102
Figure, demonstrates outside (or back side) schematic diagram of cam mechanism 214.As shown in Figure 2 B, door lock shell 102
It is provided with installing hole 121.1 and 121.2, is used for cam mechanism 214 is installed.
Fig. 3 A is internal (or front) schematic diagram of cam mechanism 214 shown in Fig. 2 B.Such as Fig. 3 A institute
Showing, cam mechanism 214 includes cam mechanism installing rack 301.Cam mechanism installing rack 301 is installed
There are cam 302, torsion spring (i.e. bias force device) 312, gathering sill body 313.The both sides of cam 302
It is provided with axle 306.1 and 306.2 (the most not shown, to see Fig. 3 C), by axle 306.1 He
Cam 302 is installed on cam mechanism installing rack 301 by 306.2;And, the side of cam 302 is (just
Side) it is provided with groove 336, the side of groove 336 is provided with the cell wall 337 of vertical shape.Torsion spring 312 has
Spirillum 324 and prolong the first stress section 323.1 and the first stress section born at spirillum 324 two ends
323.2 (Fig. 3 A is not shown, sees Fig. 3 B) spirillum 324 includes hollow cavity, when torsion spring 312
When hollow cavity on spirillum 324 is enclosed within the axle 306.1 of cam side, the first stress section 323.1 is pressed
Enter in the groove 336 on cam 302, and prop up the cell wall 337 of vertical shape.Gathering sill body 313 is used
The mode embedded is installed on cam mechanism installing rack 301, and gathering sill body 313 is provided with heart-shaped guiding
Groove (i.e. positioner) 314.Cam mechanism installing rack 301 is provided with installing hole pillar 321.1 He
321.2, when assembling cam mechanism 214, installing hole pillar 321.1 and 321.2Insert door lock shell respectively
Installing hole 121. on 1021With 121.2In.
Fig. 3 B is the blast installation diagram of cam mechanism 214 shown in Fig. 3 A.As shown in Figure 3 B, at cam
Mechanism's installing rack 301 is provided with cam 302;Torsion spring (i.e. bias force device) 312;Gathering sill body
313, which is provided with heart-shaped gathering sill (i.e. positioner) 314 and sliding pin 316.The axle of cam 302
306.1With 306.2(the most not shown, to see Fig. 3 C) is respectively installed to cam mechanism installing rack
The installing port 307. of 3011(Fig. 3 B is not shown, sees Fig. 3 C) and installing port 307.2On.Cam machine
Structure installing rack 301 is provided with chute 340, and gathering sill body 313 embeds and is installed to cam mechanism installing rack
In the chute 340 of 301.Cam 302 is provided with cam hook 304 and axle 306, and cam 302 can be around axle
306 rotate, and cam 302 has head and afterbody, and the head of cam 302 is provided with opening 308,
And cam 302 has lockset position of coupler and locked position of coupler (seeing Fig. 9 A and Fig. 9 B), and torsion spring 312 overlaps
On axle 306, for cam 302 is applied bias force.Heart-shaped gathering sill (i.e. positioner) 314
On be respectively provided with the original position (the first settling position) corresponding to cam 302 lockset position of coupler and correspond to
The end position (the second settling position) (seeing Fig. 8 A and Fig. 8 B) of cam 302 locked position of coupler.Sliding
Pin 316 has the first end 316.1With the second end 316.2, the first end 316. of sliding pin 3161It is fixed on described
The afterbody of cam 302, the second end 316. of sliding pin 3162Mobile cooperation is formed with heart-shaped gathering sill 314,
Make cam 302 when rotating, the sliding pin 316 original position in heart-shaped gathering sill 314 and stop bits
Move between putting.
Meanwhile, when the sliding pin 316 original position (the first settling position) in heart-shaped gathering sill 314 and
When between end position (the second settling position), direction along general vertical moves back and forth, heart-shaped gathering sill
314 by the drive of sliding pin 316, phase in the horizontal direction in the chute 340 of cam mechanism installing rack 301
Should move back and forth on ground.For more specifically, the track when sliding pin 316 rotates with cam 302 is with heart-shaped
When the shape of gathering sill 314 is consistent, heart-shaped gathering sill 314 is not moved;And when sliding pin 316 is with convex
When track during wheel 302 rotation is inconsistent with the shape of heart-shaped gathering sill 314, then sliding pin 316 necessarily carries
Aroused in interest shape gathering sill 314 moves.
Fig. 3 C is the view of the opposite side of cam mechanism 214 shown in Fig. 3 B.Can be shown that from Fig. 3 C
It is located at the axle 306. of this opposite side of cam 3022, and the installing port of cam mechanism installing rack 301
307.1.Additionally, the afterbody that Fig. 3 C also show at this opposite side of cam 302 is provided with installing hole 309,
For installing sliding pin 316.
Fig. 4 is the sectional view of the A-A along the line of door lock 100 shown in Fig. 2 A, it is shown that cam 302 is in out
Lock position.As shown in Figure 4, when cam 302 is in lockset position of coupler, the opening of the head of cam 302
308 alignment door lock holes 105, it is allowed to gate stop 107 inserts the opening 308 of the head of cam 302.Now,
First stress section 323. of torsion spring 3121It is inserted in groove 336, and props up the cell wall 337 of vertical shape, and
Second stress section 323. of torsion spring 3122Prop up the medial wall 301. of cam mechanism installing rack 3012.Due to
Cam 302 is in lockset position of coupler, and cam 302 has slight squeeze to torsion spring 312, therefore torsion spring 312 is in
Slight squeeze state.Although it should be noted that cam 302 does not now rotate, but due to torsion spring
312 is the medial wall 301. of the cell wall 337 and cam mechanism installing rack 301 being compressed in cam 3022It
Between, therefore, torsion spring 312 now itself remains has certain pretightning force.
Fig. 5 A is the schematic diagram that sectional view shown in Fig. 4 moves cam mechanism installing rack 301, in order to illustrates and works as
Cam 302 is in internal part matching relationship during lockset position of coupler.As shown in Figure 5A, when cam 302
Being on lockset position of coupler, sliding pin 316 is inserted and positioned on the original position (first of heart-shaped gathering sill 314
Settling position) upper (seeing Fig. 8 A).
Fig. 5 B corresponds to the blast installation diagram of Fig. 5 A.
Fig. 6 is the sectional view of the A-A along the line of door lock 100 shown in Fig. 2 A, it is shown that cam 302 is in and closes
Lock position, for convenience of description, adds gate stop 107 in Fig. 6.As shown in Figure 6, gate stop 107 is inserted
Enter the head opening 308 of cam 302, promote cam 302 so that cam 302 rotates counterclockwise,
The second stress section 323. due to the torsion spring spirillum 324 of torsion spring 3122Prop up cam mechanism installing rack 301
Medial wall 301.2And be in a fixed position, and the first stress section of the torsion spring spirillum 324 of torsion spring 312
323.1Propping up the cell wall 337 of vertical shape, torsion spring 312 is applied to rotate by rotating counterclockwise of cam 302
Power, makes torsion spring 312 be in the state of rotatably compressing.
Fig. 7 A is the schematic diagram that sectional view shown in Fig. 6 moves cam mechanism installing rack 301, in order to illustrate
Internal part matching relationship when cam 302 is in locked position of coupler.As shown in Figure 7 A, when cam 302
Being on locked position of coupler, sliding pin 316 is inserted and positioned on the end position (second of heart-shaped gathering sill 314
Settling position) upper (seeing Fig. 8 B).
Fig. 7 B corresponds to the blast installation diagram of Fig. 7 A.
Fig. 8 A illustrates, when cam 302 is under the promotion of external force (as user promotes electric equipment door)
From unlocking condition to blocking rotate time, sliding pin 316 in heart-shaped gathering sill 314 from original position A
Moving process to end position C.As shown in Figure 8 A, when sliding pin 316 is in heart-shaped gathering sill 314
Original position A time, electric equipment door (not shown) is in door opening state, when external force promote electrical equipment set
When standby door progressively closes off, the gate stop 107 being arranged on electric equipment door gradually passes through door lock hole 105, enters
Enter the opening 308 of the head of cam 302, and promote cam 302 to rotate counterclockwise, thus cam
302 drive sliding pin 316 along heart-shaped gathering sill (i.e. positioner) 314 from heart-shaped gathering sill 314
Beginning position A gradually shifts to the first bottom position B of heart-shaped gathering sill 314, and meanwhile cam 302 is inverse
Hour hands are rotated through the cell wall 337 of its vertical shape and drive the first stress section 323. of torsion spring 3121To torsion spring
312 apply revolving force, make torsion spring 312 be in the state of rotatably compressing, and make torsion spring 312 accumulate potential energy.
When cam 302 arrives blocking from unlocking condition, cam 302 correspondingly drives sliding pin 316 to arrive
First bottom position B of heart-shaped gathering sill 314.When external force disappears, torsion spring 312 returns rotation clockwise
Turning certain angle, thus torsion spring 312 discharges certain potential energy, it is little that gate stop 107 is return one by torsion spring 312
Segment distance.Owing to the bias force of torsion spring 312 is applied to the angular compliance heart gathering sill 314 of sliding pin 316
The angle of the first bottom position B so that sliding pin 316 has been pulled to heart from the first bottom position B and has led
To keyed end (end position) C of groove.Because keyed end C is the recess of triangle, and torsion spring
The bias force of 312 acts on jointly, so sliding pin 316 is fixed on keyed end C, now torsion spring 312 and
Cam 302 just can not continue to turn clockwise, and is correspondingly rested on locked position of coupler;Meanwhile, cam
The cam hook 304 of 302 is stretched and has been caught on gate stop 107 (see Fig. 6) in the door stop hole 109 of gate stop 107,
Thus gate stop 107 has also been kept at locked position of coupler.It should be noted that and release on torsion spring 312
After certain potential energy, torsion spring 312 is still within the state compressed, because sliding pin 316 is fixed on
Keyed end C.
When cam 302 and gate stop 107 are maintained at locked position of coupler, as below in conjunction with Fig. 9 B institute in detail
Stating, slide block 902 can move to the direction of cam 302, and inserts the bottom of cam 302 (see figure
9B).Now, if user presses the start key on electric equipment (such as washing machine), then door lock drives
Dynamic box 212 can stretch out dead bolt (not shown) to be blocked slide block 902, makes the slide block 902 cannot be from cam
The bottom of 302 is return, thus cam 302 and gate stop 107 are locked in locked position of coupler further, and then makes
The door of electric equipment is lockable.
And when cam 302 and gate stop 107 are maintained at locked position of coupler, if user does not press electricity
Start key on device equipment (such as washing machine), door lock drives box 212 just will not stretch out dead bolt by slide block
902 block, now, as being described in detail below in conjunction with Fig. 8 B, if promoting electric equipment by external force
Door, then can realize opening of electric equipment door.
Fig. 8 B illustrates, when cam 302 external force (as user promote electric equipment door) promotion under from
Blocking when unlocking condition rotates, sliding pin 316 in heart-shaped gathering sill 314 from end position C to
The moving process of original position A.Assume complete (the laundry flow process such as washing machine of now electric equipment work
Terminate), door lock drives box 212 to retract dead bolt (not shown), discharges the lock being driven box 212 by door lock
The slide block 902 that tongue blocks, thus discharge electric equipment door (it may be noted that now the door of electric equipment is still
It is maintained at locked position of coupler by cam 302 and gate stop 107, and is not switched on).
Now, if user promotes the door (not shown) of electric equipment, it is stuck in the head of cam 302
Opening 308 in gate stop 107 promote cam 302 to rotate counterclockwise, thus cam 302 drives sliding pin
316 shift to heart-shaped gathering sill 314 along heart-shaped gathering sill 314 from the keyed end C of heart-shaped gathering sill 314
The second bottom position D.Owing to the angle of keyed end C is arranged so that sliding pin 316 moves from keyed end C
The irrevocable first bottom position B to the second bottom position D.
When external force disappears, driving cam 302 is turned clockwise by the potential energy on torsion spring 312, drives sliding
Pin 316 moves to the start bit of heart-shaped gathering sill 314 from the second bottom position D of heart-shaped gathering sill 314
Put A, so that cam 302 returns to unlocking condition;Meanwhile, under the driving of torsion spring 312, up time
The cam 302 that pin rotates also is released being inserted into the slide block 902 bottom it (see Fig. 9 A) bottom it,
And ejected from door lock hole 105 by gate stop 107, thus electric equipment door is opened.
It should be noted that the door of electric equipment is typically to rely on hinge to be installed on electric equipment, its rotation
When turning produce resistance the least, and as Fig. 9 A, 9B will shown in, connection sliding block 902 afterbody
And promote the thrust of sliding block spring 906 that slide block 902 removes to prop up cam 302 the least, and it is used for driving
The turning power of the torsion spring 312 that cam 302 turns clockwise is the biggest, therefore, relies on returning of torsion spring 312
Turn power, be to be enough to drive cam 302 to release being inserted into the slide block 902 bottom cam 302 bottom it
(see Fig. 9 A), and gate stop 107 is ejected from door lock hole 105, thus open electric equipment door. simultaneously
's.
Fig. 9 A illustrates when cam 302 is in unlocking condition, the position of slide block 902 and with cam 302
Mutual relation, wherein figure (a) is axonometric chart, and figure (b) be to scheme the cam 302 in (a) and a left side for slide block 902
View.As shown in Figure 9 A, the head 902. of now slide block 9021Blocked by cam 302, be not inserted into
The bottom of cam 302, meanwhile, connects door lock shell 102 and the afterbody 902. of slide block 902 respectively2Slide block
Spring 906 is also at compacted state.
Fig. 9 B illustrates when cam 302 is in blocking, the position of slide block 902 and with cam 302
Mutual relation, wherein figure (a) is axonometric chart, and figure (b) be to scheme the cam 302 in (a) and a left side for slide block 902
View.As shown in Figure 9 B, rotate to locked position of coupler, slide block 902 from lockset position of coupler due to cam 302
Head 902.1No longer being blocked by cam 302, the most compacted sliding block spring 906 discharges potential energy, drives
Make slide block 902 move to the direction of cam 302, and insert the bottom of cam 302.
And when cam 302 turns to unlocking condition (as shown in Figure 9 A) from blocking, now at torsion spring
Under the driving of 312, cam 302 turns clockwise, and acts on the head 902. of slide block 9021(slide block
The head 902. of 9021Side is hypotenuse structure), thus the slide block 902 bottom cam 302 will be inserted into
Releasing from the bottom of cam 302, sliding block spring 906 is in compacted state the most again.
Figure 10 is door lock 100 shown in Fig. 1 and the installation diagram of gate stop 107, and illustrates slide block further
902 with the details of the relation that cooperates of cam mechanism 214 cam 302.As shown in Figure 10, slide block
902 can move back and forth relative to the side of cam 302, or insert the bottom of cam 302 (when cam 302
When being in locked position of coupler), or exit from the bottom of cam 302 (when cam 302 is shifted to from locked position of coupler
During lockset position of coupler).
It should be noted that the door lock shown in Fig. 2 A, Fig. 2 B, Fig. 3 A and Figure 10 drives box 212
Part, it more specifically describes the open explanation of Chinese patent that can be found in Application No. 201210072421.6
Book, this patent application is all referred in the application, for the one of which specific embodiment of the present invention.
Although with reference to the detailed description of the invention shown in accompanying drawing, present invention is described, but should manage
Solving, without departing substantially under the spirit and scope that present invention teach that and background, the cam of the present invention, bias force fill
Put, positioner and sliding pin etc. can have multiple version.Art technology those of ordinary skill also will
Recognize there is different modes to the parameter changing in disclosed embodiment of this invention, such as size, shape
The type of shape, element or material, and these each fall within the present invention and spirit and scope by the claims.
It should also be specified that the present invention combines washing machine to describe the door lock mechanism of the present invention, but ability
The door lock mechanism of the present invention can be advantageously applied to any have identical (or similar) requirement by the personnel in territory
Other electric equipments on.
Claims (13)
1. door lock, it is characterised in that including:
Cam (302), which is provided with cam hook (304), and described cam (302) has axle
(306), described cam (302) can rotate around described axle (306), described cam
(302) having head and afterbody, the head of cam (302) is provided with opening (308);
Bias force device (312), described bias force device (312) applies biasing to cam (302)
Power;
Positioner (314), described positioner (314) is provided with the first settling position and second steady
Location is put;
Sliding pin (316), described sliding pin (316) has the first end and the second end, described sliding pin
(316) the first end is fixed on the afterbody of described cam (302), the second of described sliding pin (316)
End forms mobile cooperation with described positioner (314) so that described cam (302) when rotation,
The described sliding pin (316) the first settling position in described positioner (314) and the second settling position
Between move.
2. door lock as claimed in claim 1, it is characterised in that:
Under the effect of external thrust, along with the rotation of cam (302), described sliding pin (316) is in institute
State in positioner (314) and move to described second settling position from the first settling position, push away in outside
When power disappears, it is described fixed that the bias force of described bias force device (312) makes sliding pin (316) move to
The second settling position in position device (314);
Or under the effect of external thrust, along with the rotation of cam (302), described sliding pin (316) from
In described positioner (314) second settling position removal, when external thrust disappears, described partially
The bias force putting power apparatus (312) makes sliding pin (316) stablize position from the second settling position return first
Put.
3. door lock as claimed in claim 1, it is characterised in that:
Described bias force device (312) is torsion spring (312), and described torsion spring (312) is enclosed within described axle (306)
On.
4. door lock as claimed in claim 3, it is characterised in that:
Described torsion spring (312) has the first stress section (323.1) and the second stress section (323.2), described
Second stress section (323.2) of torsion spring (312) is fixed on a fixed body, the first of described torsion spring (312)
Stress section (323.1) is fixed on cam (302), along with the rotation of cam (302) is loosened or compresses
Described torsion spring (312).
5. door lock as claimed in claim 1, it is characterised in that:
Described positioner (314) is heart-shaped gathering sill (314), and described sliding pin (316) guides in heart
Move between first settling position and second settling position of groove (314).
6. door lock as claimed in claim 5, it is characterised in that:
The described sliding pin (316) the first settling position and second in described heart-shaped gathering sill (314) is stablized
Move along the first direction between position, or described sliding pin (316) is in described heart-shaped gathering sill (314)
Move in a second direction between first settling position and the second settling position, described first direction and second party
To being generally perpendicular to each other.
7. door lock as claimed in claim 1, it is characterised in that:
The afterbody of described cam (302) is provided with installing hole (309), and the first end of described sliding pin (316) is solid
It is scheduled in the installing hole (309) of described cam (302).
8. door lock as claimed in claim 1, it is characterised in that:
Described cam (302) has lockset position of coupler and locked position of coupler;
First settling position of described positioner (314) is corresponding to the position of unblanking of described cam (302)
Put,
Second settling position of described positioner (314) is corresponding to the locking position of described cam (302)
Put.
9. door lock as claimed in claim 1, it is characterised in that:
Described cam (302), bias force device (312), positioner (314), sliding pin
(316) being arranged in door lock shell (102), described door lock shell (102) is provided with door lock hole (105),
When described cam (302) is in lockset position of coupler, door lock hole (105) face toward described cam (302)
The opening (308) of head.
10. door lock as claimed in any one of claims 1-9 wherein, it is characterised in that also include:
Slide block mechanism (902), is used for pinning or discharge described cam (302).
11. door locks as claimed in claim 10, it is characterised in that: described door lock is used for pinning electrical equipment and sets
Standby door;
Described cam (302) receives gate stop (107), described gate stop (107) from door lock hole (105)
It is arranged on the door of electric equipment;
When described cam (302) is on lockset position of coupler, when promoting the door of electric equipment, gate stop
(107) described cam (302) is applied thrust so that cam (302) rotates, along with cam
(302) rotation, described sliding pin (316) first stablizes position from described positioner (314)
Put and move to the second settling position, when external thrust disappears, described bias force device (312) inclined
The power of putting makes sliding pin (316) rest on the second settling position in described positioner (314);
When described cam (302) is on locked position of coupler, when promoting the door of electric equipment, gate stop
(107) described cam (302) is applied thrust so that cam (302) rotates, along with cam
(302) rotation, described sliding pin (316) second stablizes position from described positioner (314)
Putting removal, when external thrust disappears, the bias force of described bias force device (312) makes sliding pin
(316) the second settling position from described positioner (314) returns the first settling position.
12. door locks as claimed in claim 10, it is characterised in that: described door lock is used for pinning electrical equipment and sets
Standby door;
Described cam (302), bias force device (312), positioner (314) and sliding pin
(316) it is arranged on cam mechanism installing rack (301);
Described slide block mechanism (902) is arranged on door lock and drives between box (212) and door lock shell (102).
13. door locks as claimed in claim 12, it is characterised in that:
Described cam mechanism installing rack (301) and described door lock drive box (212) to be installed on door lock shell
(102) on.
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CN2015101703742 | 2015-04-10 | ||
CN201510170374 | 2015-04-10 |
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CN106048982A true CN106048982A (en) | 2016-10-26 |
CN106048982B CN106048982B (en) | 2019-04-19 |
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CN201610070933.7A Expired - Fee Related CN106048982B (en) | 2015-04-10 | 2016-02-01 | Door lock |
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CN107386817A (en) * | 2017-08-29 | 2017-11-24 | 金华市宏昌电器有限公司 | A kind of door interlock switch of electrical equipment |
CN109252338A (en) * | 2017-07-13 | 2019-01-22 | emz-汉拿两合有限公司 | Door lock for household electrical appliance |
CN109252765A (en) * | 2017-07-13 | 2019-01-22 | emz-汉拿两合有限公司 | Pull-up with locking mechanism limits latch |
CN109487510A (en) * | 2017-09-13 | 2019-03-19 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine |
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CN109252765B (en) * | 2017-07-13 | 2021-04-20 | emz-汉拿两合有限公司 | Pull-up limit gate latch with locking mechanism |
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CN109487510A (en) * | 2017-09-13 | 2019-03-19 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine |
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