CN209145427U - A kind of door lock for household electrical appliance - Google Patents
A kind of door lock for household electrical appliance Download PDFInfo
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- CN209145427U CN209145427U CN201821284290.7U CN201821284290U CN209145427U CN 209145427 U CN209145427 U CN 209145427U CN 201821284290 U CN201821284290 U CN 201821284290U CN 209145427 U CN209145427 U CN 209145427U
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- door lock
- buckle
- pawl
- electrical appliance
- shell
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Abstract
The utility model relates to a kind of door locks for household electrical appliance, including door lock and gate stop；The door lock includes shell, is located at the buckle rotated in shell and relative to shell, it is used to support the support of buckle, it is located at the spring assembly of two sides in shell, the upper end supported on both sides in spring assembly of the support offers opening on the shell, the gate stop extend into opening and locks gate stop and door lock with snapping connection, structure is simple, and rationally, it is obvious that function is closed in drawing, operating handle is comfortable, and greatly reduces the risk that door is opened in household electrical appliance use process.
Description
Technical field
The utility model belongs to technical field of safety devices, is specifically related to one kind and is suitable for such as washing machine, dish-washing machine, does
The door lock of the household electrical appliance such as clothing machine.
Background technique
The household electrical appliance door lock of prior art, normally behaves as such as flowering structure: a section is the buckle of mouth shape, rotatable
Ground is installed on the carriers such as lever or sliding block.One or more springs are connected to execute drawing and close function, spring and card with carrier
The rotary shaft of button has certain distance.Gate stop pushes buckle at closing time, and buckle rotates about axis overturning to clamp gate stop, door when enabling
Hook pulls buckle, and buckle rotates about axis overturning to discharge gate stop
The shortcomings that prior art door lock is, door latch structure is complicated, and it is unobvious that function is closed in the drawing of spring, and user is caused to exist
Apparent sucking sense is not felt by door closing procedure, operating handle comfort is poor.In addition, stroke of the gate stop in door lock is shorter,
During the work time, internal clothing periodically pushes out door to household electrical appliance such as dryer, and the risk easily opened there are door is hidden
Suffer from.
Utility model content
In order to overcome the disadvantages of the above prior art, it the purpose of the utility model is to provide a kind of structure is simple, rationally, draws
It is obvious to close function, operating handle is comfortable, and greatly reduce the risk that is opened of door in household electrical appliance use process for household
The door lock of electric appliance.
In order to achieve the above objectives, the utility model use following technical scheme, a kind of door lock for household electrical appliance, including
Door lock and gate stop；The door lock includes shell, is located in shell and relative to the buckle that shell is rotated, and is used to support card
The support of button, is located at the spring assembly of two sides in shell, and the upper end supported on both sides in spring assembly of the support is described
Offer opening on shell, the gate stop extend into opening and gate stop and door lock lockked with snapping connection.
The buckle includes buckle matrix, be located at buckle matrix be equipped with pawl I, pawl II and pawl III, the pawl I and
Bayonet is formed between pawl II, the end of the gate stop is equipped with notch, the end formation spreader of the notch and gate stop, institute
The spreader stated enters in bayonet, and pawl I is entered in notch and lockked gate stop and door lock.
The pawl III is sliding edge close to the side of pawl II, and the upper face adjacent with sliding edge the pawl III is contacts
Face, which is arcwall face and contacts with the barrier structure being equipped in case top is located at, and when gate stop and is buckled in latching
During, it is buckled in during rotating around support 3, barrier structure and contact surface, which are detached from and pass through sliding edge, enters pawl
In the card slot that II and pawl III is formed, and fall in a side of pawl II.
The support is a shaft, is through on buckle, and both ends ride on spring assembly.
The spring assembly is compressed spring, which is mounted on the guiding vertical with shell being equipped in shell
In chamber, the both ends of the support ride over the position of center line at the top of compressed spring, and are rotated.
The two sides of the guiding chamber are respectively equipped with symmetrical guide channel, by the two of the support that shaft is formed
End is set with guide channel, and is pressed on spring assembly.
The door lock is fixed on the door of household electrical appliance, and corresponding gate stop is fixed on the main body with domestic appliance door cooperation
On.
The gate stop is fixed on the door of household electrical appliance, and corresponding door lock is fixed on the main body with domestic appliance door cooperation
On.
The barrier structure is stopper.
The diameter of the guiding chamber is not less than the outer diameter of the spring assembly formed by compressed spring.
The beneficial effects of the utility model are: structure is simple, rationally, expense needed for production assembly is also minimized.Door
Lock base stroke brought by spring assembly relaxation, so that drawing is closed, function is fairly obvious, and user experiences in door closing procedure
Apparent sucking sense, operating handle are comfortable.Stroke of the gate stop in door lock is also increased simultaneously, and greatly reducing household electrical appliance makes
The risk opened with door in the process.
Detailed description of the invention
Fig. 1 is the door lock portion structural schematic diagram that door shell is free of in the utility model；
Fig. 2 is door latch structure schematic diagram in the utility model；
Fig. 3 a is door-lock opening positional structure schematic diagram described in the utility model；
Fig. 3 b is the structural schematic diagram of door lock closed position described in the utility model；
Fig. 4 is door lock partial enlargement structural representation in the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features；In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
Embodiment
A kind of door lock for household electrical appliance as described in Figure 1, including door lock and gate stop 5；The door lock includes shell
1, it is located at and is used to support the support 3 for buckling 2 in shell 1 and relative to the buckle 2 that shell 1 is rotated, be located at two in shell 1
The spring assembly 4 of side, the upper end supported on both sides in spring assembly 4 of the support 3 offer opening on the shell 1
11, the gate stop 5 extend into opening 11 to connect with buckle 2 and locks gate stop 5 with door lock.
The door lock is during the installation process, described for a variety of household electrical appliance such as washing machine, dryer, dish-washing machines
Door lock is fixed on the door of household electrical appliance, and corresponding gate stop 5 is fixed in the main body cooperated with domestic appliance door, or, described
Gate stop 5 is fixed on the door of household electrical appliance, and corresponding door lock is fixed in the main body cooperated with domestic appliance door.
The spring assembly 4 is compressed when door lock is in an open position, is being relaxed at closing time；It is described to buckle 2 at closing time
Gate stop 5 is clamped, gate stop 5 is discharged when opening the door.When door lock is in an open position buckle 24 power of spring assembly effect under with blocking
Structure cooperation is in lockup state, to prevent the relaxation of spring assembly 4.When gate stop 5 at closing time pushes buckle 5 to be pivoted, by
In this rotary motion, 2 states of buckle are released from, so that spring assembly 4 can relax, spring assembly relaxation force brings buckle 2
Movement is closed in drawing.There is the buckle 2 matrix and the cooperation of gate stop 5 to realize and clamp that the support 3 is by least one and buckle 2
The support of concentric rotation axis is supported.
Spring assembly 4 (spring assembly 4 is compressed spring)) it is received into shell 1, compressed spring is at door lock
It is compressed when open position (in the case where being opened such as door), in relaxation at closing time and the drawing of buckle 2 is brought to close movement.Thus block
Button 2 is pushed to by along the direction of the arrow 50 inside the shell 1 far from opening 11.While the drawing of buckle 2 closes mobile, household electrical appliance
Door is also drawn and is closed, this is convenient user, because the power for being used to squeeze door weather strip is no longer needed completely by user
It provides, door latch spring component 4 can at least provide a part therein；
Specifically the buckle 2 as described in Fig. 3 a and Fig. 3 b includes buckle matrix 21, is located at buckle matrix 21 and is equipped with pawl I
213, pawl II 215 and pawl III212 forms bayonet 214, the end of the gate stop 5 between the pawl I 213 and pawl II 215
Portion is equipped with notch 52, the end formation spreader 51 of the notch 52 and gate stop 5, and the spreader 51 enters bayonet 214
In, and pawl 1213 enters in notch 52 and locks gate stop 5 and door lock.
The pawl III212 is sliding edge 216 close to the side of pawl II 215, and the pawl III212 is upper and sliding edge 216
Adjacent face is contact surface 211, which is arcwall face and connects with the barrier structure 12 being equipped in 1 top of shell is located at
Touching, and when gate stop 5 and buckle 2 are during latching, in rotation, barrier structure 12 and contact surface 211 are detached from simultaneously buckle 2
It is entered in the card slot that pawl II 215 and pawl III212 is formed, and is fallen in a side of pawl II 215 by sliding edge 216.
It should be noted that the present embodiment barrier structure 12 remains stationary, gate stop 5 pushes buckle at closing time, due at this time
Buckle is blocked structure 12 and blocks, and buckle can only be rotated around its support 3 in the original location, and hereafter buckle rotates by a certain angle, with
So that barrier structure 12 is detached from from contact surface 211, buckle is released for the rotation of buckle, together with support 3 under the effect of spring 4
It is pushed by spring 4, subsequent barrier structure 12 is entered in the card slot that pawl II 215 and pawl III212 is formed and contacted with card slot.
The support 3 is a shaft, is through on buckle 2, and both ends ride on spring assembly 4.
Spring assembly 4 as described in Figure 2 be compressed spring, the compressed spring be mounted on be equipped in shell 1 with shell 1 hang down
In straight guiding chamber 14, the both ends of the support 3 ride over the position of center line at the top of compressed spring, and are rotated.
The two sides of the guiding chamber 14 are respectively equipped with symmetrical guide channel 15, the support formed by shaft
3 both ends are set with guide channel 15, and are pressed on spring assembly 4.
The barrier structure 12 is stopper.
The diameter of the guiding chamber 14 is identical as the outer diameter size of spring assembly 4 formed by compressed spring or is slightly larger than
By the outer diameter for the spring assembly 4 that compressed spring is formed.
Buckle 2 has a bayonet 214, is made of two on buckle matrix 21 opposite pawl I 213, pawl II 215, door
Bayonet 214 is towards the opening 11 of shell 1 when locking in an open position, therefore gate stop 5 is able to enter bayonet 214, and spreader 51 pushes away
Pawl II 215 is to make bayonet 214 rotate around rotary shaft 30, and pawl I 213 enters gate stop notch 52 therewith, to realize
Spreader 51 is clamped in the bayonet 214 of buckle 2.
Support 3 is located at the two sides of buckle matrix 21 on buckle 30 direction of rotary shaft, is illustrated as axis in Fig. 3 a and Fig. 3 b
Shape, and support 3 and buckle rotary shaft 30 are coaxial.As shown in Figure 1, the buckle matrix 21 of support 3 and buckle 2 is an entirety, such as
Injection molding part, in this way, support 3 is just connect in a manner of it can not rotate with buckle matrix 21.It if necessary, can be to be molded packet
The mode of gum forming is being internally embedded metal reinforcement pins, is also possible to the hole generated when insertion injection molding that metal reinforcement pins are subsequent.
The reinforcement pins can pass through buckle matrix 21 and be in matrix two sides, are also possible to reinforcement pins independent and are located at base
Body two sides.
Further, support 3 can be with buckling the not instead of entirety (not providing signal in figure) of matrix 21, by through-hole
Across buckle matrix 21.It can be the cooperation that can not be relatively rotated around rotary shaft that the modes such as shape, friction ensure, be also possible to
The cooperation that can be relatively rotated around rotary shaft.
As shown in Fig. 2, door shell 1 has guiding chamber 14 corresponding with spring assembly 4, spring is installed in this directed cavity
In room 14.It is substantially suitable with compressed spring outer diameter to be oriented to 14 diameter of chamber, therefore spring is almost without radial displacement gap.Due to
Visual angle, the guiding chamber of the other side is almost invisible in cause chart 2, thus it is unmarked go out.
Compressed spring in guiding chamber 14, one end are supported by shell 1, and the other end is directly supported by support 3.By
This, the central axes 40 of spring 4 are intersected with corresponding support 3.That is, support 3 relies on spring central axes.
Intermediate member (diagram does not provide signal) can be inserted between support 3 and compressed spring, intermediate member can be position
It is relied on intermediate member in lid either sliding sleeve, this situation undersetting of spring end.When support 3 and buckle matrix 21
, will be more excellent using intermediate member when being linked together in a manner of it can not be relatively rotated around rotary shaft 30, because of 2 turns of buckle
Frictional force when dynamic between support 3 and spring 4 may will increase.Based on this purpose, intermediate member can contain such as Teflon
The coating of low-friction material.
It is parallel substantially to enter the direction 50 of door lock with gate stop 5 for the direction of action (central axis 40) of compressed spring.Fig. 3 a institute
The door lock shown is (buckle is in releasing position at this time) in an open position, and compressed spring 4 pushes buckle 2 and door shell
Barrier structure 12 on 1 contacts and is in lockup state, and barrier structure 12 is right by the contact surface 211 on buckle matrix 21 at this time
Buckle 2 is supported.The substantially arc surface of contact surface 211, so that buckle 2 is when rotating about axis 30 and rotating clockwise in Fig. 3 a
Do not have big displacement.When at closing time, once the top of spreader 51 of gate stop 5 starts buckle 2 above-mentioned to the pawl II 215 of buckle 2
Rotation.By the rotation, contact surface 211 is slided on barrier structure 12 up to sliding edge 216, since buckle 2 is in sliding edge
Unexpected ground structure inside contracts at 216, causes sliding edge 216 that can cross barrier structure 12, so that compressed spring is relaxed.Such as
This, buckle 2 in the relaxation of compressed spring along direction 50 by with far from opening 11. due to gate stop 5 under this state
Spreader 51 is snapped 2 and is clamped in bayonet 214, and gate stop is also hauled with the sliding of buckle 2 and moved, thus the door of household electrical appliance
It is fastened.Door lock shown in Fig. 3 b is in the close position, and buckle 2 is supported by the barrier structure 12 of shell 1 or other positions.
The drawing of buckle 2 is closed movement and is similar to by the linear motion under guide frame guidance on shell 1.Shown in Fig. 2, conducting wire
Mechanism is located at shell guiding chamber 14, and chamber is provided with compressed spring, and the support 3 of buckle 2 has passed through guiding chamber 14, end
In the guide channel 15 that the guiding recess of chamber 14 is formed.One can be increased in the place that support 3 enters guiding chamber 14
Elongated slot 13, the elongated slot 13 similarly guide buckle 2.
User drives gate stop to open door lock by sliding door, and when sliding door, which draws the generation of buckle 2 with it, closes direction of motion phase
Anti- active force, it is more and more compressed while mobile to shell nozzle 11 to be then buckled in compressed spring, until contact surface 211
12 front of barrier structure can be turned to.Optionally, the flip-flop movement can be by the compressed spring that pre-tightens (not to showing in figure
Meaning) it realizes or assists to realize, the preloading spring can make the buckle counterclockwise motion in Fig. 3 b.Final buckle returns to figure
Position shown in 3a, and stopped by the bulge-structure on buckle matrix 21 and stopped operating.DA is buckle 2 in releasing position in Fig. 4
The angle turned between clamped position, TL are that buckle draws the stroke for closing movement generation.
Spring assembly 4 has the spring action axis intersected with support 3.Support 3 is present in the two of the buckle matrix 21
Side, spring assembly 4 have corresponding intersecting therewith spring action axis in every side.This combination side of spring assembly 4 and buckle 2
Formula allows to no longer be rotatably mounted to buckle 2 on additional bracket 3, and the bracket 3 is movably mounted at door lock
Shell 1 on.Spring assembly 4 can be directly or indirectly supported by intermediary agency by support 3, and in turn, support 3 is taken
By in this intermediary agency or directly bearing against on spring assembly section.Under the premise of not damaging function and the service life of door lock,
Thus structure can become simplified as, and produce the required expense of assembly and be also minimized
If considering to use intermediary agency, low-friction material production or the coating using reduction friction can be used, at least
It is so handled in the region that buckle support is hooked.For example Teflon can be used as low friction or drop friction material
For the relative positional relationship of above-mentioned support and spring action axis, the door lock property of can choose or extraly gather around
There is guiding mechanism, to carry out drawing to close in motion process being oriented to support in buckle.For example, the guiding mechanism can be and lead
To channel either guide groove, support sinks into wherein to be guided a kind of possible scheme, support in a manner of it can not rotate with
The matrix of buckle connects, and branch block image can be pin-shaped.A kind of configuration is: support is made into the pin-shaped body separated with matrix, so
It is inserted into the socket of matrix afterwards.Matrix can be plastics and be made in the case, and support is made of then metallic pin.It is another
Configuration is: support and matrix are made into an entirety.If desired, abutment portion can by after being internally embedded metallic pin again outside
Week encapsulated mode is molded to be strengthened.It is apparent from, abutment portion is also possible to strengthen the mode in the hole generated when pin insertion injection molding
It constitutes
A kind of implementation is that support is axially located at matrix two sides, and spring assembly has corresponding helical form pressure
Contracting pressure spring
Another implementation is that spring assembly contains at least one helical form extension spring.Under this scheme, Yi Zhongke
Can be that configuration is: support be axially located at matrix two sides, and spring assembly has in every side stretches bullet with extremely corresponding one section of helical form
Spring.This two sections of spiral tension springs are two parts of a U-shaped tension spring.
Advantageously, door lock has a shell 1, and the shell 1 contains buckle 2 and spring assembly 4, if necessary,
More components, such as locking module can be accommodated, the locking module can lock buckle when door lock is in the closed position,
Make door lock that can not be opened.Shell has an opening, and gate stop can enter this and be open and push buckle at closing time.Particularly,
Will be more excellent when shell has at least one guiding chamber, the helical form of spring assembly is at least placed in the directed cavity room
A part of spring, the guiding chamber also can be made a part of structure of entire shell.It carries out drawing to close being moved through in buckle
The mechanism being oriented in journey to support is also desirably integrated into this guiding chamber, for example, can be made the guide groove on chamber wall.
Above embodiments are only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, all designs the same or similar with the utility model belong within the protection scope of the utility model.
Claims (10)
1. a kind of door lock for household electrical appliance, which is characterized in that including door lock and gate stop (5)；The door lock includes shell
(1), it is located in shell (1) and relative to the buckle (2) that shell (1) is rotated, is used to support the support (3) of buckle (2), if
Spring assembly (4) in shell (1) interior two sides, the upper end supported on both sides in spring assembly (4) of the support (3) are described
Shell (1) on offer opening (11), the gate stop (5), which is extend into opening (11), to be connect with buckle (2) by gate stop (5)
It is lockked with door lock.
2. a kind of door lock for household electrical appliance according to claim 1, which is characterized in that the buckle (2) includes
It buckles matrix (21), is located at buckle matrix (21) and is equipped with pawl I (213), pawl II (215) and pawl III (212), the pawl I
(213) bayonet (214) are formed between pawl II (215), the end of the gate stop (5) is equipped with notch (52), and described lacks
The end of mouth (52) and gate stop (5) forms spreader (51), and the spreader (51) enters in bayonet (214), and pawl I (213)
It enters in notch (52) and locks gate stop (5) and door lock.
3. a kind of door lock for household electrical appliance according to claim 2, which is characterized in that the pawl III (212) is leaned on
The side of nearly pawl II (215) is sliding edge (216), and the face adjacent with sliding edge (216) is contact surface on the pawl III (212)
(211), which is arcwall face and contacts with the barrier structure (12) being equipped at the top of shell (1) is located at, and works as door
Hook (5) and buckle (2) during latching, buckle (2) around support (3) rotate during, barrier structure (12) with
Contact surface (211) is detached from and is entered in the card slot that pawl II (215) and pawl III (212) is formed by sliding edge (216), and falls
Onto a side of (215) pawl II.
4. a kind of door lock for household electrical appliance according to claim 1, which is characterized in that the support (3) is one
Shaft is through on buckle (2), and both ends ride on spring assembly (4).
5. a kind of door lock for household electrical appliance according to claim 4, which is characterized in that the spring assembly (4)
For compressed spring, which is mounted in the guiding chamber (14) vertical with shell (1) being equipped in shell (1), described
The both ends of support (3) ride over the position of center line at the top of compressed spring.
6. a kind of door lock for household electrical appliance according to claim 5, which is characterized in that the guiding chamber (14)
Two sides be respectively equipped with symmetrical guide channel (15), the both ends of the support formed by shaft (3) are set and guide channel
(15) it in, and is pressed on spring assembly (4).
7. a kind of door lock for household electrical appliance according to claim 1, which is characterized in that the door lock fixation is in
On the door of electrical appliance, corresponding gate stop (5) is fixed in the main body cooperated with domestic appliance door.
8. a kind of door lock for household electrical appliance according to claim 1, which is characterized in that the gate stop (5) is fixed
On the door of household electrical appliance, corresponding door lock is fixed in the main body cooperated with domestic appliance door.
9. a kind of door lock for household electrical appliance according to claim 3, which is characterized in that the barrier structure (12)
For stopper.
10. a kind of door lock for household electrical appliance according to claim 6, which is characterized in that the guiding chamber (14)
Diameter be not less than the outer diameter of spring assembly (4) formed by compressed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284290.7U CN209145427U (en) | 2018-08-09 | 2018-08-09 | A kind of door lock for household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284290.7U CN209145427U (en) | 2018-08-09 | 2018-08-09 | A kind of door lock for household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145427U true CN209145427U (en) | 2019-07-23 |
Family
ID=67265747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821284290.7U Active CN209145427U (en) | 2018-08-09 | 2018-08-09 | A kind of door lock for household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209145427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451434A (en) * | 2022-03-09 | 2022-05-10 | 黄河水利职业技术学院 | Full-automatic production's encrusting machine for food engineering |
-
2018
- 2018-08-09 CN CN201821284290.7U patent/CN209145427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114451434A (en) * | 2022-03-09 | 2022-05-10 | 黄河水利职业技术学院 | Full-automatic production's encrusting machine for food engineering |
| CN114451434B (en) * | 2022-03-09 | 2023-01-13 | 黄河水利职业技术学院 | Full-automatic production's encrusting machine for food engineering |
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