CN110565330B - Locking device and washing machine - Google Patents
Locking device and washing machine Download PDFInfo
- Publication number
- CN110565330B CN110565330B CN201911014526.4A CN201911014526A CN110565330B CN 110565330 B CN110565330 B CN 110565330B CN 201911014526 A CN201911014526 A CN 201911014526A CN 110565330 B CN110565330 B CN 110565330B
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- heart
- peach
- rod
- locking device
- telescopic rod
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to the technical field of door locks, in particular to a locking device and a washing machine. The locking device comprises a shell, a pull rod, a peach-heart slide block and a telescopic assembly, wherein the pull rod penetrates through the shell; the peach heart sliding block is arranged in the shell in a reciprocating manner and is provided with an unlocking position and a locking position; the telescopic component can be arranged in the shell in a reciprocating manner; when the peach-heart sliding block is in the locking position, the peach-heart sliding block is abutted to the telescopic assembly to push the telescopic assembly to move to avoid the moving track of the pull rod, and the pull rod can move to push the peach-heart sliding block to move from the locking position to the unlocking position. The locking device has the advantages of simple structure, low production cost and low assembly cost.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to a locking device and a washing machine.
Background
A door lock is a device used to lock a door to prevent others from opening the door. Door locks are classified into a large number of categories and are used in various situations. Such as the use of washing machine door locks in washing machines, and the washing machine door lock plays a crucial role. When the washing machine works normally, the door plate of the washing machine is required to be connected with the washing machine main body through the door lock of the washing machine, so that the door plate is prevented from being opened randomly when the washing machine works, external sundries are prevented from falling into the washing machine to damage the washing machine, and dangers are brought to people when the door plate of the washing machine is touched into the washing machine carelessly. The existing door lock of the washing machine is generally an electric door lock, and the existing door lock of the washing machine can have a fault that the door lock can not be opened when in work, so an emergency unlocking structure needs to be arranged on the door lock of the washing machine.
Disclosure of Invention
Therefore, a locking device having an emergency unlocking structure and a simple emergency unlocking structure, and a washing machine provided with the locking device are provided.
In order to solve the problems, the locking device comprises a shell, a pull rod, a peach-heart slide block and a telescopic assembly, wherein the pull rod penetrates through the shell; the peach heart sliding block is arranged in the shell in a reciprocating manner and is provided with an unlocking position and a locking position; the telescopic component can be arranged in the shell in a reciprocating manner; when the peach-heart sliding block is in the locking position, the peach-heart sliding block is abutted to the telescopic assembly to push the telescopic assembly to move to avoid the moving track of the pull rod, and the pull rod can move to push the peach-heart sliding block to move from the locking position to the unlocking position.
When the unlocking position is realized, the telescopic assembly is positioned at the moving track of the pull rod and can interfere with the pull rod.
The telescoping assembly includes a telescoping pole movably disposed on a mounting base of the housing, and a biasing member mounted between the telescoping pole and the mounting base, the biasing member providing a biasing force to the telescoping pole away from the mounting base.
The upper end of the telescopic rod is provided with a first slope surface facing the peach-heart slider, when the peach-heart slider moves from the unlocking position to the locking position, the peach-heart slider moves to the upper end of the telescopic rod through the first slope surface to abut against the telescopic rod, and the telescopic rod is pushed to move by overcoming the biasing force of the biasing member.
The telescopic rod is provided with a limiting space facing the pull rod, and when the telescopic rod is in a free state, the limiting space is located in the moving track of the pull rod.
The telescopic rod is provided with a contraction part which contracts towards the direction far away from the pull rod, and the limiting space is formed in the contraction part.
The orientation of shrink portion the side wall inboard has the second of tilt up to be domatic on the last side of mounting base, the orientation of pull rod the one end of telescopic link has the protrusion end of pull rod, the upper surface of protrusion end be with the domatic complex of the domatic of second, the protrusion end move to with when the telescopic link takes place to interfere, the protrusion end stretches into in the spacing space, the protrusion end with the telescopic link butt, or being located of pull rod the lateral wall of protrusion end upside with the telescopic link butt.
The side wall of the contraction part, which is far away from the pull rod, is formed into a rectangular limiting side wall, the shell is provided with a side wall groove corresponding to the limiting side wall, and the limiting side wall moves in the side wall groove.
The telescopic rod is provided with at least two limiting bulges, the limiting bulges are symmetrically arranged on two sides of the telescopic rod along the moving direction of the peach-heart slide block, and the shell is provided with a limiting groove matched with the limiting bulges.
The pull rod is parallel to the installation base and can extend into one end in the shell and face the side wall of the peach-heart slide block to form a pull rod slope wall, and the pull rod slope wall is gradually far away from the peach-heart slide block in the direction of the protruding end of the pull rod.
The washing machine of the present invention has the lock device described in any one of the above.
The technical scheme of the invention has the following advantages:
1. the locking device comprises a shell, a pull rod, a peach-heart slide block and a telescopic assembly, wherein the pull rod penetrates through the shell; the peach heart sliding block is arranged in the shell in a reciprocating manner and is provided with an unlocking position and a locking position; the telescopic component can be arranged in the shell in a reciprocating manner; when the locking position is used, the peach-heart sliding block is abutted to the telescopic assembly to push the telescopic assembly to move to avoid opening the moving track of the pull rod, at the moment, the pull rod moves to push the peach-heart sliding block to move from the locking position to the unlocking position so as to unlock the locking device in an emergency state, the locking device is simple in structure, and the production cost and the assembly cost can be reduced.
2. According to the locking device, when the locking device is in the unlocking position, the telescopic assembly is located at the moving track of the pull rod and can interfere with the pull rod, the phenomenon that the state of the peach-heart slide block is influenced by the movement of the pull rod when the locking device is in the unlocking position is avoided, misoperation can be prevented, and the peach-heart slide block is protected.
3. According to the locking device, the arrangement of the first slope surface facilitates the movement of the peach-heart slide block to the upper end of the telescopic rod, so that the movement is more stable.
4. The locking device provided by the invention has the advantages that the arrangement of the limiting space can limit the moving range of the pull rod, the interference influence of the pull rod with the inside of the shell and the peach-heart slide block is prevented, and the service lives of the inner structure of the shell and the peach-heart slide block are prolonged.
5. According to the locking device, the second slope surface and the slope surface on the upper surface of the protruding end are arranged, so that the protruding end can conveniently enter the limiting space, and the movement is more stable.
6. According to the locking device, the limiting side wall groove, the limiting protrusion and the limiting groove are arranged to limit the moving range and the moving track of the telescopic rod, so that the moving track of the telescopic rod is more accurate, and the problem that emergency locking cannot be carried out due to moving errors is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an exploded view of the locking device of the present invention;
FIG. 2 is a schematic perspective view of the locking device of the present invention;
FIG. 3 is a schematic top view of the locking device of the present invention with the cover removed;
FIG. 4 is a schematic structural view of a locking device of the present invention with the housing removed;
FIG. 5 is a schematic view of the peach heart slider of the present invention in a locked position;
FIG. 6 is a schematic structural view of the positional relationship between the tension rod and the telescopic rod of the present invention;
FIG. 7 is a schematic structural diagram 1 of the spatial relationship among the pull rod, the telescopic rod and the peach heart slider when the peach heart slider is in the unlocking position;
FIG. 8 is a schematic structural view 2 of the spatial relationship between the telescoping rod and the heart slider when the heart slider of the present invention is in the unlocked position;
FIG. 9 is a schematic structural view 3 of the spatial relationship between the pull rod, the telescopic rod and the peach heart slider when the peach heart slider of the present invention is in the unlocking position;
FIG. 10 is a schematic structural view 4 of the spatial relationship between the drawbar, telescopic link and peach heart slider when the peach heart slider of the present invention is in the locked position;
FIG. 11 is a schematic structural view 5 of the spatial relationship between the telescoping rod and the heart block when the heart block is in the locked position;
FIG. 12 is a schematic structural view of the spatial relationship between the drawbar, telescoping rod, and heart block when the heart block of the present invention is in the locked position 6;
FIG. 13 is a schematic structural view showing the spatial relationship between the door hook, the biasing force assembly and the slider when the door hook is not inserted in the present invention;
FIG. 14 is a schematic structural view showing the spatial relationship between the hook, the biasing force assembly and the slider during insertion of the hook according to the present invention;
FIG. 15 is a schematic structural view of the ejector pin of the present invention with the third insert removed;
FIG. 16 is a schematic structural view of the movable contact piece and the long terminal in the invention when they are not connected;
FIG. 17 is a schematic structural view of the movable contact piece of the present invention in connection with a long terminal;
FIG. 18 is a schematic structural view of the position relationship among the limiting block, the second inserting sheet and the contact point in the invention;
FIG. 19 is a schematic structural view of the position relationship between the heart slider and the clamp spring according to the present invention;
description of reference numerals:
1-mounting a base; 2-a housing; 3-a biasing member; 4, a telescopic rod; 5-a clamp spring; 6-heart slide block; 7-heart shaped slider spring; 8-a pull rod; 9-a top rod; 10-a core limb; 11-a first insert sheet; 12-a second tab; 13-long terminal; 14-short terminal; 15-a coil; 16-a slider spring; 17-a third insert; 18-a movable contact piece; 19-a contact; 20-an electronic component; 21-a slide block; 22-connecting a spring; 23-a limiting block; 24-left torsion spring; 25-right torsion spring; 26-an abutment; 27-a bottom shell; 28-door hook; 29-first slope; 30-a spacing space; 31-second slope; 32-a protruding end; 33-a limiting side wall; 34-a limiting bulge; 35-a pull rod slope wall; 36-hook rear slope surface; 37-slider end; 38-hook front slope; 39-hook the lower slope surface of the door; 40-slider jack.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The first embodiment is as follows:
the locking device in the embodiment mainly comprises a shell, a mechanical structure, an electrical structure, an emergency unlocking structure and a door hook insertion structure.
The space that has installation mechanical structure, electrical structure, urgent unblock structure and door in the casing and collude grafting structure, wherein the casing includes mounting base 1, and mechanical structure, electrical structure, urgent unblock structure and door collude the grafting structure and all install on mounting base 1.
The electrical structure comprises a peach-heart sliding block 6, the peach-heart sliding block 6 can be arranged in an electrical box surrounded by the housing 2 and the bottom shell 27 in a reciprocating mode and is provided with an end portion extending out of the electrical box, the extending end portion can be connected with a telescopic rod of the emergency unlocking structure, and the peach-heart sliding block 6 is provided with an unlocking position and a locking position.
The emergency unlocking structure comprises a pull rod 8 and a telescopic assembly. The pull rod 8 is arranged on the shell in a penetrating way; the telescopic component can be arranged in the mounting base 1 in a reciprocating manner; when the peach-heart sliding block 6 is in the locking position, the peach-heart sliding block is abutted to the telescopic assembly, the telescopic assembly is pushed to move to avoid the moving track of the pull rod 8, and the pull rod 8 can move to push the peach-heart sliding block 6 to move from the locking position to the unlocking position. When the unlocking position is adopted, the telescopic assembly is located at the moving track of the pull rod 8 and can interfere with the pull rod 8, so that the moving position of the pull rod 8 is limited, and the pull rod 8, the mounting base, the internal structure of the mounting base and the peach-heart-shaped sliding block are prevented from being influenced, and damage or influence on operation is avoided.
In this embodiment, the pull rod 8 is disposed parallel to the mounting base 1, a side wall of one end of the pull rod 8 that can extend into the housing and face the peach-heart slider 6 is a pull rod slope wall 35, and the pull rod slope wall 35 is gradually away from the peach-heart slider 6 in a direction of the pull rod 8 facing the protruding end 32.
In this embodiment, the telescoping assembly includes a telescoping pole 4 movably mounted on the mounting base 1, and a biasing member 3 mounted between the telescoping pole 4 and the mounting base 1, the biasing member 3 providing a biasing force to the telescoping pole 4 away from the mounting base 1. In the present embodiment, the biasing member 3 is a spring.
The upper end of the telescopic rod 4 is provided with a first slope surface 29 facing the peach-heart slide block 6, when the peach-heart slide block 6 moves from the unlocking position to the locking position, the peach-heart slide block 6 moves to the upper end of the telescopic rod 4 through the first slope surface 29 to abut against the telescopic rod 4, and the telescopic rod 4 is pushed to move against the biasing force of the biasing member 3, namely to move towards the direction of the mounting base 1.
The telescopic rod 4 is provided with a contraction part which contracts towards the direction far away from the pull rod 8, and the limiting space 30 facing the pull rod 8 is formed in the contraction part. When the telescopic rod 4 is in a free state, the limiting space 30 is located in the moving track of the pull rod 8. Wherein, the orientation of shrink portion the side wall inboard has the domatic 31 of tilt up's second on the side of going up of mounting base 1, the orientation of pull rod 8 the one end of telescopic link 4 has the protrusion end 32 of protrusion pull rod 8, the upper surface of protrusion end 32 be with the domatic of the domatic 31 complex of second, protrusion end 32 move to with when telescopic link 4 takes place to interfere, protrusion end 32 stretches into in the spacing space 30, protrusion end 32 with telescopic link 4 butt, or pull rod 8 be located the lateral wall of protrusion end 32 upside with telescopic link 4 butt, in order to restrict pull rod 8's movement range.
When the telescopic rod 4 moves, the force of the biasing member 3, the pull rod 8 and the heart slide block 6 acts on the telescopic rod 4, and a limit structure is required to be arranged on the telescopic rod 4 so as to limit the moving track of the telescopic rod 4. In this embodiment, the limiting structure includes a limiting sidewall 33, a sidewall groove, a plurality of limiting protrusions 34, and a plurality of limiting grooves. The limiting side wall 33 is formed into a cuboid structure by the side wall of the contraction part far away from the pull rod 8, the side wall groove corresponds to the limiting side wall 33 and is formed on the mounting base 1, and the limiting side wall 33 moves in the side wall groove. Spacing arch 34 and spacing recess respectively have two in this embodiment two the edge of spacing arch 34 locate the symmetrical branch of moving direction of peach heart slider 6 the both sides of telescopic link 4, spacing recess correspond locating of spacing arch 34 on the mounting base 1, spacing arch 34 and the restriction of spacing recess cooperation the removal orbit of telescopic link 4.
The door hook plug structure comprises a matching piece and a biasing force component, in the embodiment, the matching piece is a sliding block 21 which is arranged on the installation base 1 and locked after being connected with the door hook 28, and the sliding block 21 is provided with a sliding block end part 37 which is connected with the door hook 28 in a matching way; the biasing force assembly provides a biasing force to the door hook 28 towards the slider 21.
Be equipped with on the mounting base 1 and supply the door to collude 28 male base jack, slider 21 is provided with and supplies the door to collude 28 male slider jack 40 corresponding this base jack, when the door colludes 28 and does not insert, the base jack with slider jack 40 corresponds the setting, slider 21's moving direction with the cross section of base jack is parallel.
The biasing force assembly comprises an abutting piece 26 positioned above the sliding block inserting hole 40 and a connecting piece with elasticity, wherein the connecting piece is connected to the mounting base 1, and the connecting position of the connecting piece and the mounting base 1 is far away from the sliding block 21. In this embodiment, the connecting member is a torsion spring, which is respectively disposed on two sides of the abutting member 26, and is a right torsion spring 25 and a left torsion spring 24; the abutting piece 26 is a cylindrical structure, and can rotate around the axis of the abutting piece after being connected with the right torsion spring 25 and the left torsion spring 24.
One side of the door hook 28 facing the abutting piece 26 and the connecting piece is provided with a door hook rear slope 36 abutted against the abutting piece 26, when the door hook 28 is inserted into the slider insertion hole 40, the door hook 28 pushes the abutting piece 26 to rotate against the biasing force of the right torsion spring 25 and the left torsion spring 24, and the abutting piece 26 abuts against and moves on the door hook rear slope 36 until the door hook 28 is completely inserted.
The door colludes 28 and is the gamma type, the horizontal part of door collude 28 with the link that slider 21 is connected, the upper end shaping of link has the orientation the door of slider 21 slope colludes preceding sloping surface 38, the lower extreme shaping of link has the door by outer to interior downward sloping to collude downhill path 39.
The locking device of the application is applied to the working state of the washing machine:
1. when the washing machine door is not closed, i.e. the door hook 28 is not in:
the right torsion spring 25 and the left torsion spring 24 are fixed in a fixing hole of the mounting base 1, the abutting piece 26 is connected and positioned by the right torsion spring 25 and the left torsion spring 24, and the abutting piece 26 is located on a fixing position of the mounting base 1 under the action of the right torsion spring 25 and the left torsion spring 24. The slider spring 16 is in a free state and the slider 21 is in an initial position. The peach heart slide block 6 is located at an unlocking position, and the clamp spring 5 is located at the middle end of the peach heart slide block 6 and is in an original state; the peach heart slide block 6 is provided with a spring, and the peach heart slide block spring 7 is in a compressed state; the coil 15 is provided with a core limb 10; the emergency release lever 8 on the mounting base 1 is in a freely fixed state. The telescopic rod 4 is in a free state under the action of the telescopic rod spring, and the height of the telescopic rod 4 is higher than the plane of the pull rod 8, namely, the telescopic rod 4 is in the motion track of the pull rod 8, and the distance between the peach-heart slide block 6 and the telescopic rod 4 is free from interference.
The first blade 11 contacts the electronic component 20, the electronic component 20 contacts the connecting spring 22, and the connecting spring 22 contacts the short terminal 14 on the coil 15. The movable contact piece 18 on the third plug-in piece 17 is positioned on the upper plane of the sliding block 21 because the ejector rod 9 is positioned, the ejector rod 9 pushes the movable contact piece 18 open, so that a set gap is formed between the movable contact piece 18 and the long binding post 13 on the coil 15, and the circuit between the plug-in piece and the long binding post 13 is broken. The limiting block 23 is arranged on a positioning point of the peach-heart slider 6 and drives a contact 19 on a movable contact 18 of the third insertion piece 17 to upwarp, so that the third insertion piece 17 is not contacted with the second insertion piece 12, and a circuit between the third insertion piece 17 and the second insertion piece 12 is disconnected; the circuit of the locking device is open.
2. State when the washing machine door is closed and not locked:
when the door hook 28 is inserted into the base jack, the door hook 28 pushes the abutting piece 26 open first, and pushes the slider 21 to move leftward, and at this time, the abutting piece 26 is under the action of the biasing force of the left torsion spring 24 and the right torsion spring 25, and applies a biasing force to the door hook 28 towards the slider 21, so that the door hook 28 keeps tight connection with the slider 21. After the slider 21 is moved, the slider spring 16 is in a compressed state. The state of the telescopic rod 4 remains unchanged. After the slide block 21 moves, the push rod 9 slides down to the gap area of the slide block 21 from the upper plane of the slide block 21 due to the movement of the slide block 21. The movable contact piece 18 on the third inserting piece 17 falls down without being pushed up by the push rod 9 because of the downward movement of the push rod 9, and is communicated with the long binding post 13 on the coil 15, at the moment, the coil 15 forms a complete loop channel, the coil 15 is in a waiting communication state, the position of the heart slide block 6 is unchanged, and the heart slide block is in an unlocking position.
3. State of washing machine when power is on after door is closed
After the coil 15 is electrified, the movement of the iron core column 10 drives the peach heart slide block 6 to move, the peach heart slide block spring 7 is required to return to a free state, the peach heart slide block 6 moves to a locking position under the action of the elastic force of the peach heart slide block spring 7, and the clamp spring 5 moves to the locking position of the peach heart slide block 6. At this time, the peach-heart slide block 6 moves to the upper end of the telescopic rod 4 and abuts against the telescopic rod 4, the telescopic rod 4 moves towards the direction of the mounting base 1, and the biasing member 3 compresses; the peach-heart slide block 6 moves to drive the limiting block 23 to fall and move, the limiting block 23 is inserted into the slide block locking hole of the slide block 21 to lock the slide block 21, the door hook cannot be pulled out, and the locking device is locked. The limiting block 23 falls down to drive the contact 19 on the movable contact 18 on the third inserting piece 17 to move downwards to be communicated with the second inserting piece 12; at this time, the washing machine starts to work, the door plate is locked, and the door of the washing machine cannot be opened.
4. State when washing machine door lock is powered off:
after the coil 15 is powered off, the peach-heart slide block 6 moves to the unlocking position, the peach-heart slide block 6 is separated from the telescopic rod 4 and drives the limiting block 23 to move upwards to the initial state, the limiting block 23 moves upwards to drive the movable contact piece 18 on the third insertion piece 17 to move upwards, the contact 19 on the movable contact piece 18 is disconnected with the second insertion piece 12, and the circuit is broken between the second insertion piece 12 and the third insertion piece 17.
After the door hook 28 is pulled out, the sliding block 21 is restored to the initial state position under the action of the elastic force of the sliding block spring 16, the ejector rod 9 moves upwards along the slope on the sliding block 21, the ejector rod 9 pushes the movable contact piece 18 upwards to disconnect the bubble point on the movable contact piece 18 from the long binding post 13 on the coil 15, and the coil 15 is partially disconnected into an open circuit; the abutting rod is pressed down and restored to the fixed position of the mounting base 1 under the action of the right torsion spring 25 and the left torsion spring 24.
5. Forced unlocked state:
when the washing machine is powered off or the service life of the unlocking device is expired, when the washing machine fails and does not work any more, the door plate of the washing machine cannot be opened under the working state, the emergency unlocking pull rod 8 on the mounting base 1 can be pulled, the pull rod 8 passes through the upper part of the telescopic rod 4 to jack the peach-heart slide block 6, the peach-heart slide block 6 moves from the locking position to the unlocking position, when the peach-heart slide block 6 moves, the limit block 23 is driven to move upwards, the limit block 23 moves out of the slide block locking hole of the slide block 21 and does not lock the slide block 21 any more, and meanwhile, the movable contact piece 18 is driven to move upwards, so that the contact 19 on the movable contact piece 18 is separated from the second insertion piece 12, the locking device becomes the power-off state, the slide block 21 is in the unlocking state, the door plate is pulled at the moment, the door hook 28 can be moved out of the shell, and the door of the washing machine is opened.
According to the locking device, before the door of the washing machine is not closed, the locking device is not started; after the door of the washing machine is closed, the locking device is not started when the power supply is not switched on; when the door of the washing machine is not completely closed, the locking device is powered on or not started. Therefore, the error-proof design can avoid the user misoperation and the whole machine design defect prevention, thereby avoiding the occurrence of foreseeable unsafe conditions.
Example two:
the washing machine of the present embodiment is equipped with the locking device described in the first embodiment, and the door hook 28 is mounted on the door panel of the washing machine.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (14)
1. A locking device comprises a locking device body and a locking mechanism,
a housing;
the pull rod (8) is arranged on the shell in a penetrating way;
the peach heart sliding block (6) is arranged in the shell in a reciprocating manner and is provided with an unlocking position and a locking position;
it is characterized by also comprising the following steps of,
the telescopic assembly is arranged in the shell in a reciprocating manner;
when the peach-heart sliding block (6) is in the locking position, the peach-heart sliding block (6) is abutted against the telescopic assembly, the telescopic assembly is pushed to move to a moving track avoiding the pull rod (8), and the pull rod (8) moves to push the peach-heart sliding block (6) to move from the locking position to the unlocking position;
the telescopic assembly comprises a telescopic rod (4) movably arranged on a mounting base (1) of the shell, and a biasing member (3) arranged between the telescopic rod (4) and the mounting base (1), wherein the biasing member (3) provides a biasing force for the telescopic rod (4) to be far away from the mounting base (1);
the upper end of the telescopic rod (4) is provided with a first slope surface (29) facing the peach-heart slide block (6), when the peach-heart slide block (6) moves from the unlocking position to the locking position, the peach-heart slide block (6) moves to the upper end of the telescopic rod (4) through the first slope surface (29) to be abutted against the telescopic rod (4), and the telescopic rod (4) is pushed to move against the biasing force of the biasing member (3).
2. Locking device according to claim 1, characterized in that in said unlocking position said telescopic assembly is located at the trajectory of movement of said tie rod (8), interfering with said tie rod (8).
3. The locking device according to claim 1 or 2, characterized in that the telescopic rod (4) is provided with a limiting space (30) facing the pull rod (8), and when the telescopic rod (4) is in a free state, the limiting space (30) is positioned in the moving track of the pull rod (8).
4. The locking device according to claim 3, characterized in that the telescopic rod (4) is provided with a constriction which constricts in a direction away from the pull rod (8), the constriction forming the limiting space (30).
5. The locking device according to claim 4, characterized in that the inner side of the upper side wall of the contraction part facing the mounting base (1) is provided with an upwardly inclined second slope surface (31), the end of the pull rod (8) facing the telescopic rod (4) is provided with a protruding end (32) protruding the pull rod (8), the upper surface of the protruding end (32) is a slope surface matched with the second slope surface (31), when the protruding end (32) moves to interfere with the telescopic rod (4), the protruding end (32) extends into the limiting space (30), the protruding end (32) abuts against the telescopic rod (4), or the side wall of the pull rod (8) on the upper side of the protruding end (32) abuts against the telescopic rod (4).
6. A locking device according to claim 4 or 5, characterized in that the side wall of the constriction remote from the tie rod (8) is shaped as a rectangular parallelepiped limiting side wall (33), the housing having a side wall recess corresponding to the limiting side wall (33), the limiting side wall (33) moving in the side wall recess.
7. The locking device according to any one of claims 1, 2, 4 or 5, wherein the telescopic rod (4) is provided with at least two limiting protrusions (34), the limiting protrusions (34) are symmetrically arranged on two sides of the telescopic rod (4) along the moving direction of the peach-heart slider (6), and the shell is provided with limiting grooves matched with the limiting protrusions (34).
8. The locking device according to claim 3, characterized in that the telescopic rod (4) is provided with at least two limiting protrusions (34), the limiting protrusions (34) are symmetrically arranged on two sides of the telescopic rod (4) along the moving direction of the peach-heart slider (6), and the housing is provided with limiting grooves matched with the limiting protrusions (34).
9. The locking device according to claim 6, wherein the telescopic rod (4) is provided with at least two limiting protrusions (34), the limiting protrusions (34) are symmetrically arranged on two sides of the telescopic rod (4) along the moving direction of the peach-heart slider (6), and the shell is provided with limiting grooves matched with the limiting protrusions (34).
10. The locking device according to any one of claims 1 or 2 or 4 or 5 or 8 or 9, characterized in that the tie rod (8) is arranged parallel to the mounting base (1), the side wall of the end that can protrude into the housing towards the peach-heart slider (6) being a tie rod sloping wall (35), the tie rod sloping wall (35) gradually moving away from the peach-heart slider (6) in the direction of the protruding end (32) of the tie rod (8).
11. A locking arrangement as claimed in claim 3, characterised in that the tie rod (8) is arranged parallel to the mounting base (1), the side wall of the end that can protrude into the housing towards the heart block (6) being a tie rod ramp wall (35), the tie rod ramp wall (35) gradually moving away from the heart block (6) in the direction of the protruding end (32) of the tie rod (8).
12. A locking arrangement as claimed in claim 6, characterised in that the tie rod (8) is arranged parallel to the mounting base (1), the side wall of the end that can protrude into the housing towards the heart block (6) being a tie rod ramp wall (35), the tie rod ramp wall (35) gradually moving away from the heart block (6) in the direction of the protruding end (32) of the tie rod (8).
13. The locking device according to claim 7, characterized in that the tie rod (8) is arranged parallel to the mounting base (1), the side wall of the end that can protrude into the housing towards the heart block (6) being a tie rod ramp wall (35), the tie rod ramp wall (35) gradually moving away from the heart block (6) in the direction of the protruding end (32) of the tie rod (8).
14. A washing machine characterized by having a locking device as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014526.4A CN110565330B (en) | 2019-10-23 | 2019-10-23 | Locking device and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014526.4A CN110565330B (en) | 2019-10-23 | 2019-10-23 | Locking device and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110565330A CN110565330A (en) | 2019-12-13 |
| CN110565330B true CN110565330B (en) | 2021-08-06 |
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ID=68785770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911014526.4A Active CN110565330B (en) | 2019-10-23 | 2019-10-23 | Locking device and washing machine |
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| Country | Link |
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| CN (1) | CN110565330B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549495B (en) * | 2020-05-21 | 2022-06-28 | 温州天健电器有限公司 | Double-coil automatic door opening lock and washing machine with same |
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|---|---|---|---|---|
| EP1544387A3 (en) * | 2003-12-18 | 2008-05-28 | BITRON S.p.A. | A door lock device of increased safety, particularly for domestic electrical appliances |
| WO2012123980A1 (en) * | 2011-03-15 | 2012-09-20 | Bitron S.P.A. | Door lock device with an opening button |
| CN104631941A (en) * | 2013-11-08 | 2015-05-20 | 昆山毅达科技电子有限公司 | Electric lock for door |
| CN105442257A (en) * | 2015-12-31 | 2016-03-30 | 温州天健电器有限公司 | Washing machine door lock |
| CN106436176A (en) * | 2016-11-17 | 2017-02-22 | 温州天健电器有限公司 | Washing machine door locking device |
| CN110306882A (en) * | 2019-06-12 | 2019-10-08 | 中山欧朗金属制品有限公司 | Door lock |
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|---|---|---|---|---|
| US7357009B2 (en) * | 2003-11-13 | 2008-04-15 | Emerson Network Power, Energy Systems, North America, Inc. | Pedastal closure assembly having snag-free lock |
| EP1740752B1 (en) * | 2004-04-27 | 2013-03-27 | Marquardt GmbH | Lock for a household appliance |
| KR101915250B1 (en) * | 2017-10-30 | 2018-11-05 | 두얼메카닉스 주식회사 | Manual door lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1544387A3 (en) * | 2003-12-18 | 2008-05-28 | BITRON S.p.A. | A door lock device of increased safety, particularly for domestic electrical appliances |
| WO2012123980A1 (en) * | 2011-03-15 | 2012-09-20 | Bitron S.P.A. | Door lock device with an opening button |
| CN104631941A (en) * | 2013-11-08 | 2015-05-20 | 昆山毅达科技电子有限公司 | Electric lock for door |
| CN105442257A (en) * | 2015-12-31 | 2016-03-30 | 温州天健电器有限公司 | Washing machine door lock |
| CN106436176A (en) * | 2016-11-17 | 2017-02-22 | 温州天健电器有限公司 | Washing machine door locking device |
| CN110306882A (en) * | 2019-06-12 | 2019-10-08 | 中山欧朗金属制品有限公司 | Door lock |
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| Publication number | Publication date |
|---|---|
| CN110565330A (en) | 2019-12-13 |
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