CN108518137A - A kind of door latch structure for dish-washing machine - Google Patents
A kind of door latch structure for dish-washing machine Download PDFInfo
- Publication number
- CN108518137A CN108518137A CN201810283889.7A CN201810283889A CN108518137A CN 108518137 A CN108518137 A CN 108518137A CN 201810283889 A CN201810283889 A CN 201810283889A CN 108518137 A CN108518137 A CN 108518137A
- Authority
- CN
- China
- Prior art keywords
- lock
- microswitch
- inner cavity
- lock tongue
- mandril
- 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.)
- Granted
Links
- 238000004851 dishwashing Methods 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008094 contradictory effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
A kind of door latch structure for dish-washing machine, including bottom cover, cover and lock tongue；The bottom cover sunken inside forms an inner cavity；The socket of the lock tongue is arranged above left lock and right lock；Between the left lock and the left wall face of the inner cavity, compression spring is both provided between the right lock and the right wall of the inner cavity；The interior intracavitary is additionally provided with mandril, connecting rod and microswitch；The mandril is movably set in the top of the left lock and right lock, and the microswitch is set to the upper right side of the inner cavity, and one end of the connecting rod is connected to the mandril；When the lock tongue is inserted into inner cavity and just withstands the bottom of the mandril, the left lock and right lock clamp the lock tongue, and the other end of the connecting rod contradicts the button on the microswitch.When the lock tongue puts in the size distance of inner cavity in a to b, it can be ensured that lock clamps lock tongue, and the lock tongue will not act, and ensures that door-plate can lock on unit.
Description
Technical field
The present invention relates to dish-washing machine technical fields, and in particular to a kind of door latch structure for dish-washing machine.
Background technology
In order to ensure that the leakproofness of complete machine and safety when washing tableware, designer are equipped with door latch structure in dish-washing machine.
When the door of dish-washing machine is shut, door lock action, the washing procedure that dish-washing machine enters selection is started to work.
Door latch structure specifically includes lock body component and slidably for card insertion in the lock tongue in lock body component, lock tongue is usually to pacify
Loaded on door-plate, lock body component is then installed on unit, buckles lock tongue and lock body, microswitch action, dish-washing machine is just
Detect that door has been shut.But since the door size of dish-washing machine does not accomplish that very accurately the distance that each door-plate is shut is simultaneously generally
It is non-very accurate, and door-plate must be shut and can be acted on unit, if last door-plate is not shut actually
It closes loosely can then cause dangerous when dishwasher into operation.
Invention content
It is an object of the invention to aiming at the deficiencies in the prior art, provide a kind of action row that can enable door-plate
Journey error is very big, and people is facilitated to shut the door-plate of dish-washing machine, enables easy to operate door latch structure.
For this purpose, the present invention uses following technical scheme：A kind of door latch structure for dish-washing machine, including bottom cover,
Cover and lock tongue；
The bottom cover sunken inside forms an inner cavity, and the lower wall surface of the inner cavity is provided with the socket of lock tongue；
The socket of the lock tongue is arranged above two symmetrical locks, is left lock and right lock respectively；
Between the left lock and the left wall face of the inner cavity, between the right lock and the right wall of the inner cavity
It is provided with compression spring；
The interior intracavitary is additionally provided with mandril, connecting rod and microswitch；
The mandril is movably set in the top of the left lock and right lock, and the microswitch is set in described
The one end in the upper right side of chamber, the connecting rod is connected to the mandril；
When the lock tongue is inserted into inner cavity and just withstands the bottom of the mandril, the left lock and right lock are clamped
The lock tongue, and the other end of the connecting rod contradicts the button on the microswitch；
When the lock tongue is continued to the size that inner cavity insert the distance is a, the lock tongue up pushes up the mandril, described
The other end of connecting rod keeps contradicting the button of the microswitch, but the microswitch action at this time；
When the lock tongue continues to be inserted into the size more than distance a and less than distance b to inner cavity, the lock tongue continues to push up
Bar up pushes up, and the other end of the connecting rod is far from the button of the microswitch.
Preferably, the lock tongue includes jacking up end, transitioning end and locking end；
The bottom end for jacking up end is connected to the top of the transitioning end, and the bottom end of the transitioning end is connected to the lock
The top of not-go-end；
The width for jacking up end is less than the width of the transitioning end；The width at the transitioning end to the locking end is first
It is constantly reduced after constantly increasing；
Preferably, when the bottom end of the mandril is just withstood at the top for jacking up end, the left lock and the right lock
State locking end in clip residence.
Preferably, the jack-up end is cylinder, and the transitioning end and the locking end are triangular prism.
Preferably, the lower part of the left lock is left bare terminal end, and the left bare terminal end extends towards lower right；
The lower part of the right lock is right bare terminal end, and the right bare terminal end extends towards lower left；
Left protrusion is provided on the right side of the middle part of the left lock, the side of the right end of the left protrusion is set as circular arc
Face；
Right protrusion is provided on the left of the middle part of the right lock, the side of the left end of the right protrusion is set as circular arc
Face；
When the left lock and the right lock are not clamped or the lock tongue are clamped, the left protrusion and the right protrusion
Arc surface mutually contradict, and the left bare terminal end and right bare terminal end do not contact with each other.
Preferably, it is provided with left floor on the left of the microswitch；The left floor is crossed under the microswitch
The bottom of side；
The interior intracavitary is additionally provided with lower floor, and the downside of the lower floor and the microswitch is mutually parallel；
The interior intracavitary is additionally provided with resetting spring；The lower end of the resetting spring is installed on the lower floor；
The connecting rod includes swinging end and motion end；One end of the swinging end is hinged with the mandril, the swinging end
The other end be connected to one end of the motion end, the other end of the motion end is used to contradict the button of the microswitch
Or it is pressed on the resetting spring.
Preferably, further include water fender；
The water fender is arranged on the interface of the microswitch.
Preferably, the ranging from 3-10mm of the ranging from 1-2.5mm of a, the b.
Beneficial effects of the present invention：When the lock tongue puts in the size distance of inner cavity in a to b, the left lock and institute
It states the right side to latch under the action of the compression spring, it can be ensured that lock clamps lock tongue, and the lock tongue will not act, and ensures door-plate energy
Enough lock on unit.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure vertical view of one embodiment of the present of invention；
Fig. 2 is the overall structure front view of one embodiment of the present of invention；
Fig. 3 is the B-B direction sectional view of Fig. 2；
Fig. 4 is the lock bolt structure schematic diagram of one embodiment of the present of invention；
Fig. 5 is the door lock action schematic diagram of one embodiment of the present of invention.
Wherein：Bottom cover 1, left floor 12, lower floor 13, left wall face 14, right wall 15, cover 2, lock tongue 3 jack up end 31,
Transitioning end 32, locking end 33, left lock 4, left bare terminal end 41, left raised 42, right lock 5, right bare terminal end 51, right raised 52, pressure
Spring 6, mandril 7, connecting rod 8, swinging end 81, motion end 82, microswitch 9, resetting spring 10, water fender 11.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of door latch structure for dish-washing machine, including bottom cover 1, cover 2 and lock tongue 3；
1 sunken inside of the bottom cover forms an inner cavity, and the lower wall surface of the inner cavity is provided with the socket of lock tongue；
The socket of the lock tongue 3 is arranged above two symmetrical locks, is left lock 4 and right lock respectively
Button 5；
Between the left lock 4 and the left wall face 14 of the inner cavity, the right wall 15 of the right lock 5 and the inner cavity
Between be both provided with compression spring 6；
The interior intracavitary is additionally provided with mandril 7, connecting rod 8 and microswitch 9；
The mandril 7 is movably set in the top of the left lock 4 and right lock 5, and the microswitch 9 is set to institute
The upper right side of inner cavity is stated, one end of the connecting rod 8 is connected to the mandril 7；
When the lock tongue 3 is inserted into inner cavity and just withstands the bottom of the mandril 7, the left lock 4 and right lock 5
The lock tongue 3 is clamped, and the other end of the connecting rod 8 contradicts the button on the microswitch 9；
When the lock tongue 3 is continued to the size that inner cavity insert the distance is a, the lock tongue 3 up pushes up the mandril 7, institute
The other end for stating connecting rod 8 keeps contradicting the button of the microswitch 9, but the microswitch 9 acts at this time；
The lock tongue 3 continue to inner cavity be inserted into more than distance a and less than distance b size when, the lock tongue 3 continue by
Mandril 7 up pushes up, and the other end of the connecting rod 8 is far from the button of the microswitch 9.
As shown in figure 5, in the entire door closing procedure of dish-washing machine, the lock tongue 3 is from starting to contact the mandril 7, to triggering institute
The action of the button of microswitch 9 is stated, the stroke of lock tongue 3 is a, if at this moment door-plate continues inwardly to put in more than distance a and be less than
The size of distance b, at this moment the button holding triggering state of microswitch 9, enables dish-washing machine holding act, so lock tongue 3 is put in
In size a to b ranges, door-plate can be enabled to close, enable dish-washing machine holding act, so as to enable the action row of door-plate
Journey error is very big, and people is facilitated to shut the door-plate of dish-washing machine, enables easy to operate.
And the lock tongue 3 is when putting in the size distance of inner cavity in a to b, the left lock 4 and the right lock 5 are in institute
Under the action of stating compression spring 6, it can be ensured that lock clamps lock tongue 3, and the lock tongue 3 will not act, and ensures that door-plate can lock and washes the dishes
On owner's body.
Further, the lock tongue 3 includes jacking up end 31, transitioning end 32 and locking end 33；
The bottom end for jacking up end 31 is connected to the top of the transitioning end 32, and the bottom end of the transitioning end 32 is connected to
The top at the locking end 33；
The width for jacking up end 31 is less than the width of the transitioning end 32；The transitioning end 32 is to the locking end 33
Width first constantly increase after constantly reduce；
The left and right directions outside towards drawing paper is positioned as the width direction of the lock.
The width for jacking up end 31 is minimum, is injected between the left lock 4 and right lock 5 to facilitate, by described
The transition of transitioning end 32, under the action of the compression spring 6 so that the left lock 4 and right lock 5 are stuck in the locking end 33
On.
Further, when the bottom end of the mandril 7 is just withstood at the top for jacking up end 31,4 Hes of the left lock
The right lock 5 clamps the locking end 33.
The bottom end that the mandril 7 is just withstood from the top for jacking up end 31, is further continued for that the lock tongue 3 is enabled to put in distance a's
In the process, the jack-up end 31 constantly pushes the mandril 7 to move up, and the left lock 4 and right lock 5 can finally press from both sides
State locking end 33 in residence；When continuing that the lock tongue 3 is enabled to put in distance b, the lock tongue 3 can block more into enabling the lock tongue
3 entirety can be jammed.
Further, the jack-up end 31 is cylinder, and the transitioning end 32 and the locking end 33 are triangular prism.
The side for jacking up end 31, transitioning end 32 and locking end 33 is and the left lock 4 and 5 phase mutual connections of right lock
The width of the junction at tactile side, the transitioning end 32 and the locking end 33 is maximum, in the left lock 4 and right lock 5
When being stuck in the locking end 33, and under the action of compression spring 6, it is difficult to be detached from locking, ensure the stabilization of locking.
Further, the lower part of the left lock 4 is left bare terminal end 41, and the left bare terminal end 41 prolongs towards lower right
It stretches；
The lower part of the right lock 5 is right bare terminal end 51, and the right bare terminal end 51 extends towards lower left；
Left raised 42 are provided on the right side of the middle part of the left lock 4, the side of left raised 42 right end is set as
Arc surface；
Right raised 52 are provided on the left of the middle part of the right lock 5, the side of right raised 52 left end is set as
Arc surface；
The left lock 4 and the right lock 5 be when being clamped or the lock tongue 3 is clamped, and described left raised 42 and the right side
The arc surface of protrusion 52 mutually contradicts, and the left bare terminal end 41 and right bare terminal end 51 do not contact with each other.
The top of the left lock 4 and the right lock 5 is the hinged place with bottom cover 1.
The inlet of the left bare terminal end 41 and the right bare terminal end 51 forms infundibulate.Pass through the effect of the compression spring 6
Mainly ensure that the left lock 4 and right lock 5 are symmetrical along center line so that import is in centre.So ideally, institute
State left lock 4 and right lock both 5 be lock body center it is symmetrical, but due to manufacture use during, the left lock
4 and the right lock 5 deflection can inevitably occur, cause left bare terminal end 41 and right bare terminal end 51 far from or close to lock body
Center line, and at closing time, lock tongue 3 is also not just inserted from the centerline of lock body.
Pass through the compression spring 6 and described left raised 42 and right raised 52 positioning so that even if the position of opening is not in
Between, lock tongue 3 can push in, and realize and close the door.
In addition, left raised 42 and right raised 52 of setting can also enable the left side under the action of not needing external force
Bare terminal end 41 and right bare terminal end 51 are located remotely from each other, and are formed an entrance, are reduced the resistance that the lock tongue 3 enters inner cavity.
Further, the left side of the microswitch 9 is provided with left floor 12；The left floor 12 is crossed described micro-
The bottom of the downside of dynamic switch 9；
The interior intracavitary is additionally provided with lower floor 13, and the lower floor 13 and the downside of the microswitch 9 are mutually flat
Row；
The interior intracavitary is additionally provided with resetting spring 10；The lower end of the resetting spring 10 is installed on the lower floor 13
On；
The connecting rod 8 includes swinging end 81 and motion end 82；One end of the swinging end 81 is hinged with the mandril 7, institute
The other end for stating swinging end 81 is connected to one end of the motion end 82, and the other end of the motion end 82 is described for contradicting
The button of microswitch 9 is pressed on the resetting spring 10.
Not at closing time, the excessive swing for limiting the motion end 82 of the left floor 12, to protect the fine motion
Switch 9.The resetting spring 10 of setting can enable the connecting rod 8 realize Rapid reset when unlocking.
Further, further include water fender 11；
The water fender 11 is arranged on the interface of the microswitch 9.
After the opening of water fender 11 facilitates plug wire, line to be plugged, water fender 11 is pressed.
Further, the ranging from 3-10mm of the ranging from 1-2.5mm of a, the b.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of door latch structure for dish-washing machine, including bottom cover, cover and lock tongue；
It is characterized in that：The bottom cover sunken inside forms an inner cavity, and the lower wall surface of the inner cavity is provided with the socket of lock tongue；
The socket of the lock tongue is arranged above two symmetrical locks, is left lock and right lock respectively；
Between the left lock and the left wall face of the inner cavity, it is both provided between the right lock and the right wall of the inner cavity
Compression spring；
The interior intracavitary is additionally provided with mandril, connecting rod and microswitch；
The mandril is movably set in the top of the left lock and right lock, and the microswitch is set to the right side of the inner cavity
One end of top, the connecting rod is connected to the mandril；
When the lock tongue is inserted into inner cavity and just withstands the bottom of the mandril, the left lock and right lock clamp the lock
Tongue, and the other end of the connecting rod contradicts the button on the microswitch；
When the lock tongue is continued to the size that inner cavity insert the distance is a, the lock tongue up pushes up the mandril, the connecting rod
The other end keeps contradicting the button of the microswitch, but the microswitch action at this time；
When the lock tongue continues to be inserted into the size more than distance a and less than distance b to inner cavity, the lock tongue continues mandril up
Top, the other end of the connecting rod is far from the button of the microswitch.
2. the door latch structure according to claim 1 for dish-washing machine, it is characterised in that：The lock tongue include jack up end,
Transitioning end and locking end；
The bottom end for jacking up end is connected to the top of the transitioning end, and the bottom end of the transitioning end is connected to the locking end
Top；
The width for jacking up end is less than the width of the transitioning end；The width at the transitioning end to the locking end first constantly increases
It is constantly reduced after big.
3. the door latch structure according to claim 2 for dish-washing machine, it is characterised in that：The top for jacking up end is just
When withstanding the bottom end of the mandril, the left lock and the right lock clamp the locking end.
4. the door latch structure according to claim 2 for dish-washing machine, it is characterised in that：The jack-up end is cylinder, institute
It is triangular prism to state transitioning end and the locking end.
5. the door latch structure according to claim 2 for dish-washing machine, it is characterised in that：The lower part of the left lock is a left side
Bare terminal end, the left bare terminal end extend towards lower right；
The lower part of the right lock is right bare terminal end, and the right bare terminal end extends towards lower left；
Left protrusion is provided on the right side of the middle part of the left lock, the side of the right end of the left protrusion is set as arc surface；
Right protrusion is provided on the left of the middle part of the right lock, the side of the left end of the right protrusion is set as arc surface；
When the left lock and the right lock are not clamped or the lock tongue are clamped, the circular arc of the left protrusion and the right protrusion
Face mutually contradicts, and the left bare terminal end and right bare terminal end do not contact with each other.
6. the door latch structure according to claim 1 for dish-washing machine, it is characterised in that：It is set on the left of the microswitch
It is equipped with left floor；The left floor crosses the bottom of the downside of the microswitch；
The interior intracavitary is additionally provided with lower floor, and the downside of the lower floor and the microswitch is mutually parallel；
The interior intracavitary is additionally provided with resetting spring；The lower end of the resetting spring is installed on the lower floor；
The connecting rod includes swinging end and motion end；One end of the swinging end and the mandril are hinged, the swinging end it is another
One end is connected to one end of the motion end, and the other end of the motion end is used to contradict the button of the microswitch or is pressed in
On the resetting spring.
7. the door latch structure according to claim 1 for dish-washing machine, it is characterised in that：It further include water fender；
The water fender is arranged on the interface of the microswitch.
8. the door latch structure according to claim 1 for dish-washing machine, it is characterised in that：The ranging from 1- of a
The ranging from 3-10mm of 2.5mm, the b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283889.7A CN108518137B (en) | 2018-04-02 | 2018-04-02 | Door lock structure for dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283889.7A CN108518137B (en) | 2018-04-02 | 2018-04-02 | Door lock structure for dish washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518137A true CN108518137A (en) | 2018-09-11 |
| CN108518137B CN108518137B (en) | 2023-11-14 |
Family
ID=63431508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810283889.7A Active CN108518137B (en) | 2018-04-02 | 2018-04-02 | Door lock structure for dish washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130800A (en) * | 2019-06-06 | 2019-08-16 | 广东赛普电器制造有限公司 | A kind of protection of the child door latch structure of dish-washing machine |
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| CN105220966A (en) * | 2015-09-25 | 2016-01-06 | 广东格兰仕集团有限公司 | A kind of automatic door lock of dish-washing machine |
| CN205297066U (en) * | 2015-08-11 | 2016-06-08 | 袁燎 | Novel gun lock |
| CN106223740A (en) * | 2016-10-10 | 2016-12-14 | 佛山市百斯特电器科技有限公司 | A kind of Domestic electrical equipment door lock |
| CN208056864U (en) * | 2018-04-02 | 2018-11-06 | 广东赛普电器制造有限公司 | A kind of door latch structure for dish-washing machine |
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2018
- 2018-04-02 CN CN201810283889.7A patent/CN108518137B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050036284A1 (en) * | 2003-08-11 | 2005-02-17 | Lg Electronics Inc. | Bidirectional latch assembly and electronic apparatuses using the same |
| CN203487894U (en) * | 2013-10-11 | 2014-03-19 | 中航飞机股份有限公司西安飞机分公司 | Opening and closing detection structure for airplane cabin door |
| CN205297066U (en) * | 2015-08-11 | 2016-06-08 | 袁燎 | Novel gun lock |
| CN105220966A (en) * | 2015-09-25 | 2016-01-06 | 广东格兰仕集团有限公司 | A kind of automatic door lock of dish-washing machine |
| CN106223740A (en) * | 2016-10-10 | 2016-12-14 | 佛山市百斯特电器科技有限公司 | A kind of Domestic electrical equipment door lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130800A (en) * | 2019-06-06 | 2019-08-16 | 广东赛普电器制造有限公司 | A kind of protection of the child door latch structure of dish-washing machine |
| CN110130800B (en) * | 2019-06-06 | 2024-09-17 | 广东赛普智能制造股份有限公司 | Child protection door lock structure of dish washer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518137B (en) | 2023-11-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528308 No.15, Shilong Road, committee of Yange village, Lunjiao, Shunde District, Foshan City, Guangdong Province Applicant after: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. Address before: No. 12, South Road, Huang Chung Industrial District, Beijiao Town, Shunde District, Foshan, Guangdong Applicant before: GUANGDONG SAIPU APPLIANCES MANUFACTURING Co.,Ltd. |
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