CN104109966B - A kind of door latch structure and method of locking a door - Google Patents
A kind of door latch structure and method of locking a door Download PDFInfo
- Publication number
- CN104109966B CN104109966B CN201310132547.2A CN201310132547A CN104109966B CN 104109966 B CN104109966 B CN 104109966B CN 201310132547 A CN201310132547 A CN 201310132547A CN 104109966 B CN104109966 B CN 104109966B
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- China
- Prior art keywords
- gate stop
- locking
- lock part
- tight lock
- door
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Classifications
-
- 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
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Special Wing (AREA)
Abstract
The present invention discloses a kind of door latch structure, the method locked a door using the lock body structure and the dryer with the door latch structure, the door latch structure includes the lock body and gate stop for the locking that can cooperate, gate stop tight lock part is provided with the lock body, for locking the gate stop, gate stop tight lock part adjusting means is additionally provided with the lock body, for adjusting the coupling mechanism force of the gate stop tight lock part；The present invention is simple in construction, easy for installation, can easily adjust pretightning force required when locking a door, between when deployed it is longer after due to the fatigue of spring, easily occur to lock hypodynamic situation, now only need to adjust the regulating bolt i.e. achievable regulation to coupling mechanism force, be easy to repair；Part on door lock is made using metal material, and relative to traditional plastic material, its heat resistance is more preferable.
Description
Technical field
The present invention relates to one kind to lock, more particularly to a kind of mechanical door lock structure applied to household electrical appliance and locks a door
Method.
Background technology
The household electrical appliance such as washing machine, dryer in order to prevent its in the process of running door automatically open up usually require set door
Door body and casing, are fastenedly connected, make it in normal operation by lock by electrical equipment main body with the door latch structure to be cooperated in door body
When will not voluntarily open cause potential safety hazard, influence normal operation.
Existing door lock assembly generally has an electrodynamic type and mechanical two kinds, and electrodynamic type door latch structure is complicated, opening and
Usually require to provide certain electricity during closing, can not operate in the event of a power failure, influence to use.
Current mechanical door lock structure generally includes gate stop tight lock part and gate stop, have on the gate stop tight lock part with
The moving component that the gate stop is engaged, apply certain pretightning force inside gate stop tight lock part to moving component, opening the door and closing
Gate stop can apply an active force reverse with pretightning force to moving component during door, when the active force that gate stop applies exceedes
The moving component can shrink in the case of pretightning force, and when external force cancels, it recovers initial Pre strained state, at which in pretension
The locking to gate stop can be realized if gate stop is in inside gate stop tight lock part during state.
Based on above-mentioned operation principle, Chinese patent literature CN1752330A provides a kind of latch assembly and has the breech lock
The drying machine of component.Latch assembly is arranged in the front panel of drying machine, for the fastener peace for locking or unlocking from latch assembly
On the door of drying machine.Latch assembly, which is included in its opposite side, has raised and fixing hole latch body, and in its phase
Offside has raised receiving hole and the breech lock lid of fixed lobe.Convex to form the operation in the base part extension from latch body
On part, and fixing hole is formed in the base part immediately below projection.Raised receiving hole is formed in the planar portions from breech lock lid
In the extension of the edge extension divided, and fixed lobe is formed on the end of the extension of breech lock lid.When breech lock lid is inserted
When entering in latch body, projection is pinned by raised receiving hole and fixed lobe is inserted in fixing hole, so as to be fastened with a bolt or latch in a manner of individual palpation
Locking closure and latch body assemble.
Be fixed with the space being fixedly connected to form in above-mentioned patent document between latch body and breech lock lid spring and
Latch fitting, promote latch fitting that fastener locking realized to the locking of door body and drying machine main body by spring, but door lock in said structure
Assembling it is complicated, time-consuming, be clamping mode between latch body and door bolt lid, it is to need to destroy former door to be commutated in maintenance and door body
Lock, maintenance time is long, maintenance cost is high, and the size for required power of opening the door can not be controlled effectively, easily occur door be not easy to open or
Situation about easily voluntarily opening.
In addition, it is plastic construction that existing dryer door lock is most of, dryer is unable to bear in combustion test high temperature
Test, door lock failure is easily caused, causes combustion test to fail.
The content of the invention
Present invention solves the technical problem that it is：By designing door latch structure a kind of simple in construction, easy for installation and locking a door
Method, the pretightning force that can also be easily adjusted while conventional door lock function needed for locking is realized, and door lock is used into metal
Material makes, and improves its heat resistance and service life.
To use following technical scheme up to this purpose, the present invention：
A kind of door latch structure, include the lock body and gate stop of the locking that can cooperate, gate stop lock is provided with the lock body
Tight portion, for locking the gate stop, gate stop tight lock part adjusting means is additionally provided with the lock body, for adjusting the gate stop lock
The coupling mechanism force in tight portion.
As further preferred scheme, the gate stop tight lock part includes lock piece and elastic preload piece；
On the lock body there is gate stop to be allowed by bit space and tight lock part mounting hole, the tight lock part mounting hole with the gate stop
Bit space is interconnected, the lock piece, elastic preload piece being sequentially arranged in the tight lock part mounting hole from the inside to the outside.
As further preferred scheme, described lock piece one end contacts with the elastic preload piece, and the other end is located at institute
Gate stop is stated by bit space, the locking to gate stop is realized by the part of bit space positioned at the gate stop.
As further preferred scheme, the bleeder port connected with the tight lock part mounting hole is provided with the lock body,
For connecting tight lock part mounting hole and lock body exterior space；It is connected inside the tight lock part mounting hole with the gate stop by bit space
Place is provided with spacing back-up ring, and for limiting the lock piece, only some can be into the gate stop by bit space.Locking
The bleeder port of the tight lock part connection is arranged on body, tight lock part mounting hole is in communication with the outside, its internal gas can be square
Just outside tap, prevent from causing air pressure excessive because of the airtight space between bolt and steel ball when nut from being adjusted and adjusting difficult.
As further preferred scheme, the lock piece is locking ball, and the elastic preload piece is compression spring, described
Gate stop tight lock part adjusting means is regulating bolt, and the locking ball is arranged in the tight lock part mounting hole, with the limiting block
Circle contact, compression spring is set in side of the locking ball away from the spacing back-up ring, the regulating bolt is by being arranged on
Tight lock part installation bore ends are threadably mounted in the tight lock part mounting hole, and apply pretightning force to the compression spring.
Locked using locking ball not only easy for installation, the larger radian in its surface is also easier to the work to it by gate stop
Vertical direction is firmly decomposed, makes it easier to move.
As further preferred scheme, gate stop spigot surface, the gate stop are provided with the gate stop resigning space openings
On be provided with resigning hole, the resigning hole cooperates with the lock piece and realizes locking.
Set gate stop spigot surface that gate stop can be facilitated to smoothly enter gate stop by bit space, resigning hole to be used in locking state
Lower receiving locking ball.
As further preferred scheme, the gate stop end set has shutdown guiding point, and the resigning bore edges are set
There is enabling control point.
The shutdown guiding point is an inclined planar structure, when gate stop enters gate stop by bit space, shutdown guiding point
Contact with locking ball inclined plane, gradually push up locking ball, be not susceptible to stuck phenomenon, similarly, gate stop is exited in gate stop
Allow bit space when, the enabling control point of resigning bore edges contacts with lock piece first, gradually pushes up locking ball.
A kind of dryer, using door latch structure as described above, the lock body, gate stop, gate stop tight lock part and gate stop lock
Tight portion adjusting means is made using metal material.
Dryer the course of work need to carry out at a higher temperature, metal material has stronger heat resistance,
The door lock of metal material is used in the environment that dryer etc. need to heat, and service life is longer, and metal material makes easily,
It is easy to ensure product quality and service life,.
A kind of method locked a door, using door latch structure as described above, the coupling mechanism force of its gate stop tight lock part is adjustable.
As further preferred scheme, compression spring applies certain pretightning force to locking ball, makes the locking ball
In gate stop by bit space, when gate stop enters gate stop by bit space, its front end contacts a part with locking ball first, right
Locking ball apply with pretightning force active force in opposite direction, when the active force is more than the pretightning force, locking ball to compress bullet
Spring motion exits gate stop by bit space, gate stop is entered gate stop by bit space；When the resigning hole on gate stop is located at institute
When stating at locking ball, gate stop no longer applies active force to locking ball, and locking ball enters resigning hole in the presence of pretightning force, so as to
The locking to gate stop is realized, the compression spring is resisted against in regulating bolt, and tight lock part is screwed in by adjusting the regulating bolt
The decrement of the length adjustment compression spring of mounting hole, so as to carry out the regulation of pretightning force.
Beneficial effects of the present invention are：It is simple in construction, it is easy for installation, it can easily adjust pretension required when locking a door
Power, when deployed between it is longer after easily occur to lock hypodynamic situation due to the fatigue of spring, now only need regulation to adjust
Bolt is that the regulation to coupling mechanism force can be achieved, and is easy to repair, and the part on door lock is made using metal material, relative to tradition
Plastic material its heat resistance it is more preferable.
Brief description of the drawings
The present invention is described in further detail below according to drawings and examples.
Fig. 1 is door latch structure schematic diagram of the present invention.
Fig. 2 is lock body structure exploded view of the present invention.
Fig. 3 is gate stop structural representation of the present invention.
Fig. 4 is lock body structure schematic diagram of the present invention.
Fig. 5 is lock body structure sectional view of the present invention.
Fig. 6 is that door latch structure of the present invention applies the installment state schematic diagram in dryer.
In figure：
1st, lock body；2nd, gate stop；3rd, drying box body；4th, clothes dryer door body；5th, gate stop is by bit space；6th, tight lock part is installed
Hole；7th, spacing back-up ring；8th, locking ball；9th, compression spring；10th, regulating bolt；11st, gate stop spigot surface；12nd, enabling control point；13、
Shutdown guiding point；14th, resigning hole；15th, bleeder port.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in figs. 1 to 6, in the present embodiment, a kind of door latch structure of the present invention, including lock body 1 and gate stop 2,
The lock body 1 is arranged on drying box body 3 by lock body support, and gate stop 2 installs fixing hole by gate stop and is arranged on dryer
In door body 4, the lock body 1 realizes the locking to clothes dryer door body 4 and drying box body 3 with the mutual cooperation of gate stop 2.
Gate stop is provided with the lock body 1 to set by bit space 5 by bit space 5 and tight lock part mounting hole 6, the gate stop
At the middle part of lock body 1, the tight lock part mounting hole 6 is two, is symmetrically arranged on the gate stop by the both sides of bit space 5, and its with
The gate stop is connected by bit space 5, and the opening position that the inside of tight lock part mounting hole 6 is connected with gate stop by bit space 5 is set
It is equipped with spacing back-up ring 7.
The bleeder port 15 connected with the tight lock part mounting hole 6 is provided with the lock body 1, for connecting tight lock part installation
Hole 6 and the exterior space of lock body 1, when rotating regulating bolt 10, cause due to being provided with bleeder port 15 in tight lock part mounting hole 6
Portion will not cause air pressure is excessive to cause regulation difficult.
Be sequentially installed with described two tight lock part mounting holes 6 since spacing back-up ring 7 to outside lock body 1 locking ball 8,
Compression spring 9 and regulating bolt 10, the end set of tight lock part mounting hole 6 has be engaged with the regulating bolt 10 in
Screw thread, the regulating bolt 10 are connected through a screw thread adjustable in tight lock part mounting hole 6, the compression spring 9 one
End is resisted against on locking ball 8, and the other end contacts with regulating bolt 10, and tight lock part installation is screwed in by adjusting the regulating bolt 10
The decrement of the length adjustment compression spring 9 in hole 6, so as to carry out the regulation of pretightning force.
Gate stop spigot surface 11 is provided with the one end open that the gate stop enters by gate stop 2 on bit space 5, gate stop 2 is entering
Being capable of convenient centering position by gate stop spigot surface 11 when entering gate stop resigning space 5.The gate stop 2 includes installing plate and gate stop
Main body, is provided with resigning hole 14 in gate stop main body, and the edge of resigning hole 14 is provided with enabling control point 12, the resigning hole
14 cooperate with the locking ball 8 realizes locking, and the gate stop body end is provided with shutdown guiding point 13.
The lock body 1, gate stop 2, gate stop tight lock part and gate stop tight lock part adjusting means are molded using zinc alloy diecasting.
During assembling, first locking ball 8 is fitted into tight lock part mounting hole 6, compression spring 9 is then encased in tight lock part installation
In hole 6, the side of compression spring 9 is contacted with locking ball 8, then regulating bolt 10 is fastened in tight lock part mounting hole 6, by interior
Threaded connection, is installed the element in the tight lock part mounting hole 6 of opposite side using identical method.
Lock body is arranged on drying box body 3, gate stop 2 is arranged on corresponding with the lock body 1 on clothes dryer door body 4
Position.
Its specific work process is as follows：
Compression spring 9 is applied with certain pretightning force to locking ball 8 under original state, makes a part for the locking ball 8
In gate stop by bit space 5；
At closing time, the shutdown guiding point 13 on gate stop 2 moves closer to locking ball 8, when door body 4 is further turned off, gate stop 2
The locking ball 8 positioned at its both sides will be oppressed, locking ball 8 compresses compression spring 9, when the upward-acting door control point 12 of gate stop 2 exceedes locking
Behind the position of ball 8, locking ball 8 is extruded in the presence of compression spring 9 in the resigning hole 14 on gate stop 2, is now realized
The locking of door.
During enabling, the enabling control point 12 on gate stop 2 moves closer to locking ball 8, and gate stop 2 is located at the lock of its both sides by oppressing
Only ball 8, locking ball 8 compress compression spring 9, after the shutdown guiding point 13 on gate stop 2 exceedes locking 8 position of ball, locking ball 8 and
Gate stop 11 departs from, and now relieves the locking of door.
It is to be understood that above-mentioned embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, in technical scope disclosed in this invention, change that any one skilled in the art is readily apparent that or
Replace, should all cover within the scope of the present invention.
Claims (8)
1. a kind of door latch structure, including the lock body and gate stop of the locking that can cooperate, gate stop locking is provided with the lock body
Portion, for locking the gate stop, it is characterised in that gate stop tight lock part adjusting means is additionally provided with the lock body, for adjusting
The coupling mechanism force of the gate stop tight lock part；
The gate stop tight lock part includes lock piece and elastic preload piece；
There is gate stop to be stepped down with the gate stop empty by bit space and tight lock part mounting hole, the tight lock part mounting hole on the lock body
Between be interconnected, the lock piece, elastic preload piece being sequentially arranged in the tight lock part mounting hole from the inside to the outside；
The bleeder port connected with the tight lock part mounting hole is provided with the lock body, for connecting tight lock part mounting hole and lock body
Exterior space；
Gate stop spigot surface is provided with the gate stop resigning space openings, resigning hole, the resigning hole are provided with the gate stop
Cooperated with the lock piece and realize locking.
2. door latch structure according to claim 1, it is characterised in that described lock piece one end connects with the elastic preload piece
Touch, the other end be located at the gate stop by bit space, positioned at the gate stop by locking of the part realization of bit space to gate stop.
3. door latch structure according to claim 2, it is characterised in that allowed inside the tight lock part mounting hole with the gate stop
Bit space junction is provided with spacing back-up ring, for limiting the lock piece only some sky that can be stepped down into the gate stop
Between in.
4. door latch structure according to claim 3, it is characterised in that the lock piece is locking ball, the elastic pretension
Part is compression spring, and the gate stop tight lock part adjusting means is regulating bolt, and the locking ball is arranged on the tight lock part installation
Kong Zhong, contacted with the spacing back-up ring, compression spring, the tune are set in side of the locking ball away from the spacing back-up ring
Section bolt is installed bore ends by being arranged on tight lock part and is threadably mounted in the tight lock part mounting hole, and to the compression bullet
Spring applies pretightning force.
5. door latch structure according to claim 4, it is characterised in that the gate stop end set has shutdown guiding point, institute
State resigning bore edges and be provided with enabling control point.
A kind of 6. dryer, it is characterised in that using the door latch structure described in any one of Claims 1 to 5, the lock body, door
Hook, gate stop tight lock part and gate stop tight lock part adjusting means are made using metal material.
The method 7. one kind is locked a door, it is characterised in that application such as door latch structure according to any one of claims 1 to 5, its gate stop
The coupling mechanism force of tight lock part is adjustable.
8. method according to claim 7 of locking a door, it is characterised in that compression spring applies certain pretension to locking ball
Power, a part for the locking ball is set to be in gate stop by bit space, its front end is first when gate stop enters gate stop by bit space
First contacted with locking ball, to the application of locking ball and pretightning force active force in opposite direction, when the active force is more than the pretightning force
When, locking ball moves to compression spring exits gate stop by bit space, gate stop is entered gate stop by bit space；Work as gate stop
On resigning hole when being located at the locking ball, gate stop no longer applies active force, effect of the locking ball in pretightning force to locking ball
Lower to enter resigning hole, so as to realize the locking to gate stop, the compression spring is resisted against in regulating bolt, by adjusting the tune
The decrement that bolt screws in the length adjustment compression spring of tight lock part mounting hole is saved, so as to carry out the regulation of pretightning force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132547.2A CN104109966B (en) | 2013-04-16 | 2013-04-16 | A kind of door latch structure and method of locking a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132547.2A CN104109966B (en) | 2013-04-16 | 2013-04-16 | A kind of door latch structure and method of locking a door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104109966A CN104109966A (en) | 2014-10-22 |
| CN104109966B true CN104109966B (en) | 2017-11-24 |
Family
ID=51706946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310132547.2A Active CN104109966B (en) | 2013-04-16 | 2013-04-16 | A kind of door latch structure and method of locking a door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104109966B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420382B (en) * | 2017-02-14 | 2022-10-18 | 青岛海尔洗碗机有限公司 | Dish washer lock mechanism and dish washer |
| CN111020991B (en) * | 2018-10-09 | 2022-08-12 | 无锡小天鹅电器有限公司 | Tapered end, jam plate, lock subassembly and clothing treater |
| CN109629179B (en) * | 2019-01-18 | 2021-06-22 | 温州天健电器有限公司 | Washing machine locking device and washing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043992U (en) * | 1988-12-28 | 1989-09-06 | 浙江省瑞安市锁厂 | Multi-direction double balls spring pin |
| CN2830604Y (en) * | 2005-05-10 | 2006-10-25 | 许明标 | Improvement of door block structure |
| CN2837465Y (en) * | 2005-09-28 | 2006-11-15 | 许明标 | Improved structure of door stop |
-
2013
- 2013-04-16 CN CN201310132547.2A patent/CN104109966B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104109966A (en) | 2014-10-22 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20160601 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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