CN109209084B - Door closure locking device for household appliances - Google Patents
Door closure locking device for household appliances Download PDFInfo
- Publication number
- CN109209084B CN109209084B CN201710545482.2A CN201710545482A CN109209084B CN 109209084 B CN109209084 B CN 109209084B CN 201710545482 A CN201710545482 A CN 201710545482A CN 109209084 B CN109209084 B CN 109209084B
- Authority
- CN
- China
- Prior art keywords
- buckle body
- rotary buckle
- sliding surface
- shell
- knot body
- 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.)
- Active
Links
- 230000009471 action Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4251—Details of the casing
- A47L15/4257—Details of the loading door
- A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
- E05C19/063—Released by pull or pressure on the wing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a door closure locking device that domestic appliance used simple structure, convenient to use has the lockhole, and the cover is equipped with rotatory knot body on the location axle of casing, and two torsion arms of torsional spring combine respectively in rotatory knot body and casing, and rotatory knot body has the U-shaped opening, and the U-shaped open-ended downside is the buckle upside for pushing away the fender wall, has the sliding surface on rotatory knot body one side cambered surface, has guide inclined plane and lock stop wall on the sliding surface, and the cambered surface trailing edge of the rotatory knot body of guide has return guide face, and return guide face left end corresponds with guide inclined plane left end, and the shaft hole suit that is equipped with its right-hand member of control panel is in a position projection, and the control panel left end has the protruding sliding surface that corresponds rotatory knot body that down, and link to have the extension spring between control panel and the casing, this extension spring is exerted in the downward pressure of control panel and backward pendulum power, is equipped with the knot hole that corresponds with the lock plunger with the buckle of rotatory knot body. The locking device is suitable for the door cover of the household appliance.
Description
Technical Field
The invention relates to a device for closing, locking and unlocking a door cover, in particular to a device for closing, locking and unlocking a door cover of a household appliance.
Background
At present, a plurality of door covers on household appliances all use a pressing type locking device, the existing pressing type locking device adopts a buckle type mechanism with a heart-shaped structure, the mechanism has the problems that the distance between the locking position of the door cover and the turning position of the door closing and the unlocking of the turning position is relatively large, the pressing movement stroke of a related part is relatively large when the door is locked and opened, a sealing ring is arranged between the door cover and a door body in terms of a refrigerator, a washing machine and a dish washer, the excessive pressing movement stroke can cause overlarge door closing force and door opening force, the time is relatively long, and the door can be closed and opened only by pressing for a plurality of times, so that the door is inconvenient to use.
Disclosure of Invention
The door cover locking device for the household appliances solves the problems that in the prior art, when a door cover of the household appliances is closed, locking and unlocking are performed, the pressing stroke is too large, so that the door locking and unlocking forces are too large, the time is long, and the door can be closed and opened only by pressing for multiple times.
In order to solve the problems, the technical scheme adopted by the invention is that the ball-shaped rotary lock comprises a shell, a lock hole is formed in the front wall of the shell, a rotary buckle body is sleeved on a positioning shaft arranged in the shell, a torsion spring is arranged on the positioning shaft, two torsion arms of the torsion spring are respectively combined with the rotary buckle body and the positioning part of the shell, the torsion force of the torsion spring is applied to the clockwise rotating force of the rotary buckle body, the rotary buckle body is provided with a U-shaped opening, the lower side of the U-shaped opening is a buckle hook, the upper side of the U-shaped opening is a push retaining wall, the U-shaped opening of the rotary buckle body is in a free state under the action of the torsion spring and faces the lock hole of the shell, a sliding surface is arranged on one cambered surface of the rotary buckle body, the sliding surface is provided with a guide inclined surface extending from the left rear position to the right front position and a lock retaining wall extending in the front direction, the right front end of the guide inclined surface is connected with the lock retaining wall through a transition surface, the cambered surface rear edge of the rotary buckle body is provided with a return guide surface, the left end of the return guide surface corresponds to the left rear end of the guide inclined surface, the positioning convex side is provided with the guide plate, the positioning convex side is provided with a positioning tension spring, the positioning convex side is provided with a pull spring corresponding to the push-button, the push button is sleeved with the push button, and the push button is provided with a push button, and the push button.
Preferably, the cambered surface of the rotary buckle body is provided with a high-position sliding surface, the high-position sliding surface is positioned at the rear part of the sliding surface, the guide inclined surface and the lock stop wall are side surfaces of the high-position sliding surface, the return guide surface is positioned at the rear edge of the high-position sliding surface, the tail end of the left part of the return guide surface is connected with a return stop wall extending in the front-rear direction, and the rear part of the push stop wall protrudes upwards to form a jacking boss.
The invention has the advantages that the rotating buckle body is provided with the buckle hook, the buckle hook corresponds to the buckling hole of the lock bolt, the lateral cambered surface of the rotating buckle body is provided with the sliding surface, the guiding inclined surface, the locking stop wall and the return guiding surface, and the downward bulge of the control board corresponds to the sliding surface of the rotating buckle body, namely, the locking and unlocking mechanism is arranged on the rotating buckle body, the structure is relatively simple, the distance between the locking position of the door cover and the turning position of the door closing and the turning position of the door opening is short, the corresponding operation pressing stroke is short, the effort is saved, the time is short, and the condition that the locking and the unlocking are required to be pressed for a plurality of times can not occur.
The invention is further described below with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the present invention with parts broken away;
FIG. 2 is a schematic view of the present invention in an open state;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view showing a door closing process according to the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of the door locking state of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic diagram of an unlocking process according to the present invention;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view of a hinge buckle according to the present invention;
FIG. 11 is a schematic view of the rotary button of FIG. 10 shown with a plurality of sites;
FIG. 12 is a schematic view of the rotary hook of FIG. 10 with a curved surface including a sliding surface;
fig. 13 is a view showing front, rear, left, right, up and down direction indication in the present invention.
The marks and counterparts in the figure: 1 a shell, 11 a positioning convex column, 12 a tension spring positioning hook, 13 a lock hole, 14 a stop lever, 2 a rotary buckle body, 21 a buckle, 22 a guide inclined plane, 23 a lock stop wall, 24 a pressing boss, 25 a sliding surface, 26 a high-position sliding surface, 261 a front side stop wall, 27 a return guide surface, 28 a return stop wall, 29 a push stop wall, 3 a control panel, 31 a bulge, 32 a tension spring positioning hook, 4 a torsion spring, 5 a tension spring, 6 a lock bolt and 61 a buckle hole.
Detailed Description
A door cover locking device for household appliances comprises a shell 1, wherein the front wall of the shell 1 is provided with a lock hole 13, a positioning shaft is arranged in the shell 1, and a rotary buckle body 2 is sleeved on the positioning shaft; the torsion spring 4 is arranged, two torsion arms of the torsion spring 4 are respectively combined with the positioning positions of the rotary buckle body 2 and the shell 1, and the torsion force of the torsion spring 4 is applied to the clockwise rotation force of the rotary buckle body 2; the rotary buckle body 2 is provided with a U-shaped opening, the lower side of the U-shaped opening is provided with a clasp 21, the upper side of the U-shaped opening is provided with a push retaining wall 28, and the U-shaped opening of the rotary buckle body 2 faces the lock hole 13 of the shell 1 under the action of the torsion spring 4 in a free state; the cambered surface of one side of the rotary buckle body 2, which is opposite to the U-shaped hole, is provided with a sliding surface 25 and a high-position sliding surface 26, the high-position sliding surface 26 is positioned at the rear part of the sliding surface 25, the side surface of the high-position sliding surface 26 in the left front direction forms a guiding inclined surface 22 extending from the left rear direction to the right front direction, and the right side surface of the high-position sliding surface 26 forms a lock stop wall 23 extending in the front-rear direction; the right front end of the guiding inclined plane 22 is connected with the lock stop wall 23 through a transition surface; the cambered surface rear edge of the rotary buckle body 2 is provided with a return guide surface 27, the return guide surface 27 is positioned at the rear edge of the high-position sliding surface 26, the left end of the return guide surface 26 corresponds to the left rear end of the guide inclined surface 22, and the left end of the return guide surface 26 is connected with a return retaining wall 28 extending in the front-rear direction; the shell 1 is internally provided with a positioning convex column 11 and a control board 3, a shaft hole at the right end of the control board is sleeved on the positioning convex column 11 in a pivotable manner, the right end of the control board 3 is propped against and positioned below the stop lever 14, the left end of the control board 3 is provided with a downward bulge 31 which corresponds to the sliding surface 25 of the rotary buckle body 2, a tension spring 5 is hung between a tension spring positioning hook 32 of the control board 3 and a pull Huang Dingwei hook 12 of the shell 1, the tension spring is pulled and hung obliquely downwards and backwards, and the component force applied to the control board 3 is downward pressure and backward swinging force; a lock bolt 6 corresponding to the lock hole 13 of the shell 1 is arranged, a buckling hole 61 of the lock bolt corresponds to the buckling hook 21 of the rotary buckle body 2, and the rear part of the pushing and blocking wall 29 protrudes upwards to form a pushing boss 24.
The principle and process of operation of the locking device are described below.
The torsion spring 4 applies a clockwise rotation force to the rotary buckle body 2; the tension spring 5 acts on the downward pressure and the backward swing force of the control plate 3. The front, rear, left, right, up and down settings are shown in fig. 13, and the position state of the swivel button body 2 is shown in fig. 2 and 10. Against the torsion force of the torsion spring 4, the push-stop surface 28 of the rotary buckle body 2 is pushed upwards in the following direction, the rotary buckle body 2 rotates anticlockwise, the corresponding unfolding surface shown in fig. 12 moves leftwards, the right end of the control plate 3 is pivoted with the positioning bulge 11 to do not move leftwards and rightwards in absolute sense, and the bulge 31 of the control plate 3 moves rightwards on the sliding surface 25 of the rotary buckle body 2 oppositely and moves rightwards and forwards under the guidance of the guide inclined surface 22, as shown in fig. 12; otherwise, the rotary button body 2 rotates clockwise under the action of the torsion spring 4 without being blocked, if the protrusion 31 of the control plate 3 does not abut against the lock stop wall 23.
Unlocking the on state: as shown in fig. 2, the rotary buckle body 2 rotates under the action of the torsion spring 4, the U-shaped opening of the rotary buckle body 2 faces the lock hole 13 of the shell 1, and the buckle hole 61 of the lock bolt 6 is separated from the buckle hook 21 of the rotary buckle body 2; the protrusion 31 of the control plate 3 is located at the a position of the arc surface of the rotary buckle body 2, i.e. corresponding to the left rear part of the sliding surface 25 and the guiding inclined surface 22, see fig. 11 and 12.
Closing and locking: referring to fig. 4 and 5, as the operator moves, the lock bolt 6 is inserted from the lock hole 13 of the housing 1, the top end of the lock bolt 6 pushes the push wall 29 of the rotary buckle body 2, the rotary buckle body 2 rotates anticlockwise against the torsion force of the torsion spring 4, the clasp 21 is buckled into the buckling hole 61 of the lock bolt 6, and as the door is closed, the rotary buckle body 2 continues to rotate anticlockwise by a small angle; referring to fig. 11 and 12, the boss 31 of the control board moves from the a position to the B position along the guiding inclined plane 22, during which the control board 3 swings forward by an angle against the pull force of the tension spring 5, the boss of the control board slides over the C position under the action of the tension spring 5 and then moves to the D position, at this time, the rear side of the control board 3 abuts against the front side of the pressing boss 24, the control board swings backward and is prevented from rotating backward along with the clockwise direction of the door, the boss 31 of the control board continues to move to the E position, the door closing operation is finished, the rotary buckle 2 rotates clockwise under the action of the torsion spring 4, the boss 31 of the control board moves back from the E position to the D position and then reaches the F position, the pressing boss 24 of the rotary buckle 2 moves down to the lower side of the control board 3 due to the clockwise rotation of the rotary buckle, the boss 31 of the control board moves to the G position under the action of the tension spring 5, the F position and the G position correspond to the locking stop wall 24, the G position and correspond to the front side stop wall 261 of the high sliding surface 26, the control board swings backward and is prevented, the locking stop wall 24 abuts against the boss 31 of the control board is prevented from rotating clockwise, and the rotary buckle 2 is locked to the locking device is locked, as shown in fig. 6 and the locking state is locked.
Unlocking and opening: referring to fig. 8 and 9, the door is closed and locked, the lock bolt 6 moves upward along with the action of an operator, the push blocking wall 29 of the rotary buckle body 2 is pushed, the rotary buckle body 2 rotates anticlockwise, the push boss 24 of the rotary buckle body pushes the control plate 3 from bottom to top (as mentioned above, the push boss 24 of the rotary buckle body 2 descends below the control plate 3 during locking), the left part of the control plate 3 tilts upward, the boss 31 of the control plate moves upward from the front blocking wall 261 of the high-position sliding surface 26, moves from G to H, then moves to I under the action of the tension spring 5, the I corresponds to the return guiding surface 27, the rotary buckle body 2 continues to rotate anticlockwise, and the boss 31 moves to J; after the operation loosens the hand, the rotary buckle body 2 rotates clockwise under the action of the torsion spring 4, the bulge 31 of the control panel moves back to the I position from the J position, and then moves leftwards relative to the high-position sliding surface 26 and the return guide surface 27, slides to the A position in the unlocking and opening state, and the door cover can be opened.
Claims (2)
1. The door cover locking device for the household electrical appliance is characterized by comprising a shell (1), wherein the front wall of the shell is provided with a lock hole (13), a rotary buckle body (2) is sleeved on a positioning shaft arranged in the shell, a torsion spring (4) is arranged on the positioning part of the rotary buckle body and the shell, two torsion arms of the torsion spring are respectively combined with the rotary buckle body, the torsion force of the torsion spring is applied to the clockwise rotation force of the rotary buckle body, the rotary buckle body is provided with a U-shaped opening, the lower side of the U-shaped opening is provided with a buckle hook (21), the upper side of the U-shaped opening is provided with a push retaining wall (29), the free state is that the U-shaped opening of the rotary buckle body faces towards the lock hole of the shell under the action of the torsion spring, a sliding surface (25) is arranged on one cambered surface of the rotary buckle body, which faces away from the U-shaped opening, a guide inclined surface (22) extending from the left rear position to the right front position and a locking retaining wall (23) extending in the front rear position are arranged on the sliding surface, the guide inclined surface right front end is connected with the locking retaining wall through a transition surface, the cambered surface rear edge of the rotary buckle body is provided with a return guide surface (27), the lower end of the rotary buckle body is provided with a tension spring, the guide surface corresponding to the left end of the push control plate (3) is provided with a push control plate (31) corresponding to the push rod), the positioning control plate (5) is sleeved in the position between the rotary buckle body and the corresponding to the push rod (5), the buckling hole (61) of the lock bolt corresponds to the clasp of the rotary buckle body.
2. The locking device according to claim 1, characterized in that the cambered surface of the rotary buckle body is provided with a high-position sliding surface (26), the high-position sliding surface is positioned at the rear part of the sliding surface, the guide inclined surface and the lock stop wall are side surfaces of the high-position sliding surface, the return guide surface is positioned at the rear edge of the high-position sliding surface, the left end of the return guide surface is connected with a return stop wall (28) extending in the front-rear direction, and the rear part of the push stop wall protrudes upwards to form a pressing boss (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545482.2A CN109209084B (en) | 2017-07-06 | 2017-07-06 | Door closure locking device for household appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545482.2A CN109209084B (en) | 2017-07-06 | 2017-07-06 | Door closure locking device for household appliances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109209084A CN109209084A (en) | 2019-01-15 |
| CN109209084B true CN109209084B (en) | 2024-01-16 |
Family
ID=64992909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710545482.2A Active CN109209084B (en) | 2017-07-06 | 2017-07-06 | Door closure locking device for household appliances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209084B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12031361B2 (en) | 2022-06-20 | 2024-07-09 | HTI Technology & Industries, Inc. | Push-to-open/signal-to-open appliance door latching system with an integrated locking device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11236911B2 (en) * | 2018-01-18 | 2022-02-01 | Hti Technology And Industries, Inc. | Push-to-open/signal-to-open appliance door latching system with an integrated locking device |
| CN110541288B (en) * | 2019-10-16 | 2024-03-08 | 宁波国达科技有限公司 | Barrel cover safety lock of spin dryer |
| CN112112500B (en) * | 2020-08-24 | 2022-03-18 | 宁波方太厨具有限公司 | Door lock mechanism for electric appliance and dish washing machine with door lock mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008294A (en) * | 2007-01-26 | 2007-08-01 | 庄子平 | Actuator of door and window lockset |
| CN201314153Y (en) * | 2008-12-18 | 2009-09-23 | 唐志雄 | Magnetic door lock |
| FR2930201A1 (en) * | 2008-04-18 | 2009-10-23 | Coutier Moulage Gen Ind | Lockable fuel tank flap for motor vehicle, has hook cooperated with dog-pilot point of closing and opening mechanism to hold point when hook is in position, and exerting control action on motor of actuator when hook is in another position |
| CN104684440A (en) * | 2012-07-10 | 2015-06-03 | 尤利乌斯·布卢姆有限公司 | Ejection device for a movable furniture part |
| CN105556046A (en) * | 2013-08-14 | 2016-05-04 | 施耐德博士塑料工厂有限公司 | Device having a push-push mechanism |
| CN207092776U (en) * | 2017-07-06 | 2018-03-13 | 杭州神林电子有限公司 | A kind of door closure locking system of household electrical appliance |
-
2017
- 2017-07-06 CN CN201710545482.2A patent/CN109209084B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008294A (en) * | 2007-01-26 | 2007-08-01 | 庄子平 | Actuator of door and window lockset |
| FR2930201A1 (en) * | 2008-04-18 | 2009-10-23 | Coutier Moulage Gen Ind | Lockable fuel tank flap for motor vehicle, has hook cooperated with dog-pilot point of closing and opening mechanism to hold point when hook is in position, and exerting control action on motor of actuator when hook is in another position |
| CN201314153Y (en) * | 2008-12-18 | 2009-09-23 | 唐志雄 | Magnetic door lock |
| CN104684440A (en) * | 2012-07-10 | 2015-06-03 | 尤利乌斯·布卢姆有限公司 | Ejection device for a movable furniture part |
| CN105556046A (en) * | 2013-08-14 | 2016-05-04 | 施耐德博士塑料工厂有限公司 | Device having a push-push mechanism |
| CN207092776U (en) * | 2017-07-06 | 2018-03-13 | 杭州神林电子有限公司 | A kind of door closure locking system of household electrical appliance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12031361B2 (en) | 2022-06-20 | 2024-07-09 | HTI Technology & Industries, Inc. | Push-to-open/signal-to-open appliance door latching system with an integrated locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109209084A (en) | 2019-01-15 |
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