Door opening and closing mechanism and clothes processing equipment

Abstract

The invention belongs to the technical field of clothes processing equipment, and discloses a door opening and closing mechanism and clothes processing equipment. The door opening and closing mechanism is arranged between a clothes putting opening of a box body and a door body and comprises a lock, a door closer and a door body pop-up device. The lock is arranged on the box body, and the lock acts to enable a spring bolt of the door body and the lock to be switched among a contact unlocking state, a separable positioning state and a locking state. And the door closer is arranged at the rotating joint of the door body and the box body, and when the door body is located at the first preset angle, the door body is driven to rotate to a third preset angle, so that the spring bolt and the lock are converted into a contact unlocking state from a self-separation state. The door body pop-up device is arranged between the box body and the door body, and when the spring bolt and the lock are converted from a contact unlocking state to a locking state, the door body pop-up device stores energy; and when the lock tongue and the lock are converted from the locking state to the separation state, the door body popping device pops the door body to a second preset angle. The door opening and closing mechanism automatically unlocks and opens the door body, and the automation degree is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of clothing processing equipment, and in particular to a door opening and closing mechanism and clothing processing equipment. Background Art

[0002] Current washing machines and other clothing processing equipment have high temperature and humidity in the barrel after completing washing and other clothing processing steps. If the user does not open the door in time, bacteria are easily bred and even cause secondary contamination to the clothes.

[0003] Moreover, when opening and closing the door for taking or putting clothes, human intervention is required, and the door is opened and closed by manually rotating the door body, and the door body and the washing machine body are locked by pushing. The above processes all require a certain amount of external force, which is not conducive to improving the convenience of operation and the degree of automation of the clothing processing equipment.

[0004] Therefore, there is an urgent need for a door opening and closing mechanism and a clothes processing device to solve the above problems. Summary of the invention

[0005] According to one aspect of the present invention, an object is to provide a door opening and closing mechanism, which can automatically unlock and open the door after the washing or other clothing processing process is completed, thereby avoiding the growth of bacteria and odors, and can improve the degree of automation and enhance the user experience.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] The door opening and closing mechanism is arranged between the clothing inlet of the box body of the clothing processing device and the door body, the door body is rotatably arranged at the clothing inlet, and can be rotated to close or open the clothing inlet, the door body is provided with a locking tongue, and the door opening and closing mechanism includes:

[0008] A lock is provided on the box body, wherein the lock tongue and the lock have a disengaged state, a contact unlocking state, a separable positioning state and a locked state, and the lock is operated to enable the lock tongue and the lock to switch between the contact unlocking state, the separable positioning state and the locked state;

[0009] a door closer, arranged at the rotational connection between the door body and the box body, capable of driving the door body to continue rotating to a third preset angle when the door body and the clothing loading port are at a first preset angle, so that the lock tongue and the lock are converted from the disengaged state to the contact unlocked state;

[0010] A door pop-up device is arranged between the box and the door body, and when the lock tongue and the lock are converted from the contact unlocking state to the locked state, the door pop-up device stores energy; when the lock tongue and the lock are converted from the locked state to the disengaged state, the door pop-up device releases energy to pop the door body open to a second preset angle;

[0011] The second preset angle is greater than the first preset angle.

[0012] As a preferred embodiment of the door opening and closing mechanism provided by the present invention, the door closer includes a cam and an energy storage assembly, the cam is coaxially arranged on the rotating shaft of the door body, the energy storage assembly is connected to the door body or the box body, and is movably abutted against the wheel surface of the cam, and during the process of opening or closing the door body relative to the clothing loading port, the first end of the energy storage assembly can move along the wheel surface of the cam in the door opening direction or door closing direction.

[0013] As a preferred solution of the door opening and closing mechanism provided by the present invention, the wheel surface of the cam is provided with an arc portion, a convex portion and a concave portion which are connected in sequence and smoothly transitioned;

[0014] In the process of the door body opening relative to the clothing loading port, the first end of the energy storage component moves along the recessed portion and the raised portion to the arc portion in sequence, and the energy storage component accumulates energy;

[0015] During the process of closing the door body relative to the clothing loading port, when the first end of the energy storage assembly moves along the arc portion to the raised portion, the door body is manually closed relative to the clothing loading port to the first preset angle;

[0016] After the door body is manually closed to the first preset angle relative to the clothing loading port, the energy storage assembly releases energy to drive itself to continue moving in a direction away from the raised portion to reach the recessed portion, so that the door body is automatically closed to the third preset angle relative to the clothing loading port.

[0017] As a preferred solution of the door opening and closing mechanism provided by the present invention, the door closer also includes a sleeve, which is movably connected between the box body and the rotating shaft of the door body, and the energy storage assembly includes a roller, an adapter and a first elastic element. The roller is rotatably connected to the adapter around its own axis, and the roller can roll along the wheel surface of the cam. The adapter is arranged at the end opening of the sleeve close to the rotating shaft of the door body, and the first elastic element is arranged between the adapter and the bottom of the sleeve. The first elastic element can be compressed along the axial direction of the sleeve to accumulate energy, or restore to its original state to release energy.

[0018] As a preferred solution of the door opening and closing mechanism provided by the present invention, the door body pop-up device includes a second elastic element and an abutment member, the second elastic element is arranged on the side of the door body facing the box body, the abutment member is connected to the second elastic element and can be detachably abutted against the box body; or,

[0019] The second elastic element is arranged on a side of the box body facing the door body, and the abutment member is connected to the second elastic element and can be detachably abutted against the door body.

[0020] As a preferred solution of the door opening and closing mechanism provided by the present invention, there are multiple door body pop-up devices, and the multiple door body pop-up devices are arranged between the box body and the door body at intervals along the height direction of the box body.

[0021] As a preferred solution of the door opening and closing mechanism provided by the present invention, the distance between the door body pop-up device and the rotating shaft of the door body is smaller than the distance between the door body pop-up device and the lock.

[0022] As a preferred solution of the door opening and closing mechanism provided by the present invention, the lock includes a fixed shell, a pre-tightening member and a pre-tightening elastic element, the fixed shell is installed on the box body, the pre-tightening member is swingably arranged in the fixed shell, the pre-tightening elastic element is connected between the pre-tightening member and the fixed shell, and can put the pre-tightening member in a pre-tightening position; the lock tongue is provided with a card-mounting groove, the lock tongue can extend into the fixed shell, and when the lock tongue and the lock are in a separable positioning state, the pre-tightening member swings to the pre-tightening position and is card-mounted in the card-mounting groove.

[0023] As a preferred solution of the door opening and closing mechanism provided by the present invention, the lock further comprises a swing housing and a locking screw rod, wherein the swing housing is swingably arranged in the fixed housing, and the swing housing can swing to switch between a locking position and an unlocking position;

[0024] The locking screw is arranged in the swing housing and is spaced apart from the preload member. The locking tongue can extend between the preload member and the locking screw. A tooth-shaped locking portion is arranged on one side of the locking tongue facing the locking screw. The tooth-shaped locking portion can engage with or disengage from the locking screw.

[0025] When the swing housing is swung to the locking position, the locking screw contacts the locking tongue, and the locking screw can rotate in the positive direction to engage and lock with the toothed locking portion; the locking screw can also rotate in the reverse direction to push the toothed locking portion out of the space between the preload member and the locking screw;

[0026] When the swing housing is swung to the unlocking position, the locking screw rod can be separated from the locking tongue;

[0027] When the locking screw rotates to drive the lock tongue to push out of the space between the preload member and the locking screw, the preload member exits the card slot and the preload position. At this time, the lock tongue and the locking screw are still in the locked state. When the swing housing swings to the unlocked position, the lock tongue and the lock are converted from the locked state to the disengaged state. At this time, the door body pop-up device releases energy to pop out and open the door body to the second preset angle.

[0028] As a preferred solution of the door opening and closing mechanism provided by the present invention, the automatic door-closing force applied by the door closer when the door body automatically closes from the first preset angle to the third preset angle is less than the pop-up door-opening force of the door body pop-up device to open the door body to the second preset angle, which is less than the locking door-closing force when the locking screw drives the lock tongue to extend into the space between the preload member and the locking screw.

[0029] According to another aspect of the present invention, an object is to provide a clothing processing device, which includes a box body and a door body, and also includes a door opening and closing mechanism as described in any of the above schemes, wherein the door opening and closing mechanism is arranged between the clothing loading port of the box body and the door body, and the door body is rotatably arranged at the clothing loading port and can be rotated to close or open the clothing loading port, and a locking tongue is arranged on the side of the door body away from the rotating shaft.

[0030] Beneficial effects of the present invention:

[0031] The door opening and closing mechanism provided by the present invention is arranged between the clothing delivery port and the door body of the box body of the clothing processing equipment. The door body is rotatably arranged at the clothing delivery port, and can be rotated to close or open the clothing delivery port. The door body is provided with a lock tongue. The door opening and closing mechanism includes a lock, a door closer and a door body pop-up device. The lock is arranged on the box body, and there is a disengaged state, a contact unlocking state, a separable positioning state and a locked state between the lock tongue and the lock. The lock is actuated to enable the lock tongue and the lock to switch between the contact unlocking state, the separable positioning state and the locked state. The door closer is arranged at the rotation connection between the door body and the box body, and can drive the door body to continue to rotate to a third preset angle when the door body and the clothing delivery port are at a first preset angle, so that the lock tongue and the lock are converted from the disengaged state to the contact unlocking state. Through the cooperation of the above lock and the door closer, when the user closes the door body to the first preset angle by manpower, the automatic door closing can be triggered, which can improve the degree of automation of the door body closing. The door pop-up device is arranged between the box and the door. When the lock tongue and the lock are changed from the contact unlocking state to the locked state, the door pop-up device stores energy; when the lock tongue and the lock are changed from the locked state to the disengaged state, the door pop-up device releases energy and pops the door open to a second preset angle, which is greater than the first preset angle. Through the door pop-up device, the door can be automatically opened to a larger angle after the laundry process is completed, thereby facilitating the release of water vapor in the box, avoiding the growth of bacteria and odor, saving labor, and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0033] Figure 1 is a schematic structural diagram of a clothes processing device provided by an embodiment of the present invention;

[0034] Figure 2 This is a partial structural diagram of a clothes processing device provided by an embodiment of the present invention. Figure 1 ;

[0035] Figure 3 This is a partial structural diagram of a clothes processing device provided by an embodiment of the present invention. Figure 2 ;

[0036] Figure 4 yes Figure 3 A partial enlarged view of the structure marked as A;

[0037] Figure 5 is a schematic diagram of the installation of a door closer provided by an embodiment of the present invention at the rotating shaft of a door body;

[0038] Figure 6 is a schematic diagram of a door closer provided by an embodiment of the present invention;

[0039] Figure 7 is a partial structural schematic diagram of a door closer provided by an embodiment of the present invention;

[0040] Figure 8 is a structural schematic diagram of a cam provided by an embodiment of the present invention;

[0041] Fig. 9 is a schematic diagram of a lock provided by an embodiment of the present invention;

[0042] Fig.10 The internal structure of the lock provided by the embodiment of the present invention is shown in FIG. Figure 1 ;

[0043] Fig.11 The internal structure of the lock provided by the embodiment of the present invention is shown in FIG. Figure 2 .

[0044] In the figure:

[0045] 10. Box body; 20. Door body; 30. Lock tongue; 31. Card-mounting slot; 32. Tooth-shaped locking part;

[0046] 100, lock; 110, fixed housing; 111, slide groove; 112, through port; 113, abutting boss; 120, pre-tightening member; 121, pre-tightening convex block; 130, pre-tightening elastic element; 140, swing housing; 141, swing shaft; 150, locking screw; 160, first driving device; 170, second driving device; 181, transmission rack; 182, swing elastic element; 183, transmission gear set; 190, pull rope;

[0047] 200, door closer; 210, cam; 211, arc portion; 212, raised portion; 213, recessed portion; 220, energy storage assembly; 221, roller; 222, adapter; 223, first elastic element; 230, sleeve; 240, connecting clamp;

[0048] 300. Door pop-up device; 310. Second elastic element; 320. Abutment member. DETAILED DESCRIPTION

[0049] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0051] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0053] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or are the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0054] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", and "fix" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] In this embodiment, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present invention generally indicates that the associated objects before and after are in an "or" relationship.

[0057] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0058] Figure 1 A schematic diagram showing the structure of a clothes processing device provided by an embodiment of the present invention is shown. Figure 2 A schematic diagram showing a partial structure of a clothes processing device provided by an embodiment of the present invention Figure 1 , Figure 3 A schematic diagram showing a partial structure of a clothes processing device provided by an embodiment of the present invention Figure 2 . Reference Figure 1-Figure 3 The present embodiment provides a door opening and closing mechanism and a clothes processing device. The clothes processing device comprises a box body 10 and a door body 20, and also comprises the door opening and closing mechanism provided in the present embodiment. The door body 20 is rotatably arranged at the clothes loading port, and can be rotated to close or open the clothes loading port, and the door body 20 is provided with a lock tongue 30. The door opening and closing mechanism is arranged between the clothes loading port of the box body 10 and the door body 20.

[0059] Figure 4 Show Figure 3 A partial enlarged view of the structure marked as A. Figure 5 A schematic diagram showing the installation of a door closer provided by an embodiment of the present invention at the rotating shaft of a door body. Figure 2-Figure 5The door opening and closing mechanism includes a lock 100, a door closer 200 and a door body pop-up device 300. The lock 100 is arranged on the box 10, and the lock tongue 30 and the lock 100 have a disengaged state, a contact unlocking state, a separable positioning state and a locked state. The lock 100 is actuated to enable the lock tongue 30 and the lock 100 to switch between the disengaged state, the contact unlocking state, the separable positioning state and the locked state.

[0060] In the disengaged state, the lock tongue 30 is separated from the lock 100, and the door body 20 is opened relative to the clothing inlet. In the contact unlocking state, the lock tongue 30 is inserted into the lock 100, but the lock 100 does not move at this time, and the two are not locked or pre-tightened. In the detachable positioning state, the door body 20 closes the clothing inlet, and the user can pull the door body 20 to open the door body 20. At this time, the lock tongue 30 and the lock 100 are pre-tightened but not locked. In the locked state, the door body 20 is locked to the clothing inlet, and the door body 20 cannot be opened before the lock 100 is unlocked.

[0061] Figure 6 A schematic diagram showing a door closer provided by an embodiment of the present invention is shown. Figure 7 A partial structural schematic diagram of a door closer provided by an embodiment of the present invention is shown. Figure 8 FIG. 2 is a schematic diagram showing the structure of a cam provided by an embodiment of the present invention. Figure 5-Figure 8 , the door closer 200 is arranged at the rotation connection between the door body 20 and the box body 10. When the door body 20 and the clothing loading port are at the first preset angle, the door body 20 can be driven to continue to rotate to the third preset angle, so that the lock tongue 30 and the lock 100 are converted from the disengaged state to the contact unlocked state. In this embodiment, the first preset angle can be specifically 30°-50°, and the third preset angle can be specifically 2°-5°. The first preset angle is specifically preferably 45°, and the third preset angle is specifically preferably 3°.

[0062] Specifically, the door closer 200 includes a cam 210 and an energy storage assembly 220. The cam 210 is coaxially arranged on the rotating shaft of the door body 20, and the energy storage assembly 220 is connected to the door body 20 or the box body 10 and movably abuts against the wheel surface of the cam 210. During the process of the door body 20 opening or closing relative to the clothing loading port, the first end of the energy storage assembly 220 can move along the wheel surface of the cam 210 in the door opening direction or the door closing direction.

[0063] More specifically, refer to Figure 7 and Figure 8The wheel surface of the cam 210 is provided with an arc portion 211, a raised portion 212 and a recessed portion 213 which are connected and smoothly transitioned in sequence. When the door body 20 is opened relative to the clothing inlet, the first end of the energy storage component 220 moves along the recessed portion 213 and the raised portion 212 to the arc portion 211 in sequence, and the energy storage component 220 accumulates energy.

[0064] During the process of closing the door body 20 relative to the clothing loading port, when the first end of the energy storage assembly 220 moves along the arc portion 211 to the protruding portion 212, the door body 20 is manually closed to the first preset angle relative to the clothing loading port.

[0065] After the door body 20 is manually closed to the first preset angle relative to the clothing loading port, the energy storage assembly 220 releases energy and drives itself to continue moving in the direction away from the protrusion 212 to reach the recessed portion 213, so that the door body 20 is automatically closed to the third preset angle relative to the clothing loading port, realizing the automatic door closing process.

[0066] More specifically, refer to Figure 5-Figure 7 The door closer 200 further includes a sleeve 230, which is movably connected between the housing 10 and the rotating shaft of the door body 20. In this embodiment, the first end of the sleeve 230 is connected to the rotating shaft of the door body 20, and the second end of the sleeve 230 is fixed to the housing 10 through a connecting clamp 240. The cam 210 is coaxially mounted on the rotating shaft of the door body 20, and the rotating shaft can rotate with the door body 20, thereby realizing the relative rotation of the energy storage assembly 220 and the cam 210. The energy storage assembly 220 is coaxially arranged in the sleeve 230, and the first end of the energy storage assembly 220 corresponds to the first end of the sleeve 230.

[0067] Reference Figure 7 The energy storage assembly 220 includes a roller 221, an adapter 222 and a first elastic element 223. The roller 221 is rotatably connected to the adapter 222 around its own axis, the rotation axis of the roller 221 is parallel to the rotation axis of the door body 20, the roller 221 can roll along the wheel surface of the cam 210, the adapter 222 is arranged in the first end of the sleeve 230, the first elastic element 223 is arranged between the side of the adapter 222 away from the roller 221 and the bottom of the second end of the sleeve 230, and the first elastic element 223 can compress along the axial direction of the sleeve 230 to store energy, or restore to its original state to release energy.

[0068] In another embodiment, the cam 210 is coaxially assembled on the rotating shaft of the door body 20, and the rotating shaft does not rotate with the door body 20. The first end of the sleeve 230 is connected to the rotating shaft of the door body 20, and the second end thereof is assembled on the door body 20. The sleeve 230 can rotate synchronously with the door body 20, thereby realizing the relative rotation of the energy storage assembly 220 and the cam 210.

[0069] Continue to refer to Figure 3 and Figure 4 The door pop-up device 300 is arranged between the box body 10 and the door body 20. In the present embodiment, the door pop-up device 300 is specifically arranged on the side of the door body 20 facing the box body 10. When the lock tongue 30 and the lock 100 are converted from the contact unlocking state to the locked state, the door pop-up device 300 stores energy. When the lock tongue 30 and the lock 100 are converted from the locked state to the disengaged state, the door pop-up device 300 releases energy and pops the door body 20 to a second preset angle, which is greater than the first preset angle. The second preset angle can be specifically 30°-50°. In the present embodiment, the second preset angle is specifically preferably 50°.

[0070] Specifically, there are multiple door pop-up devices 300, which are arranged between the box body 10 and the door body 20 at intervals along the height direction of the box body 10. In this embodiment, there are two door pop-up devices 300. Through the above arrangement, the uniformity and reliability of the force applied to the door body 20 relative to the clothing loading port can be ensured.

[0071] More specifically, the distance between the door pop-up device 300 and the rotating shaft of the door 20 is smaller than the distance between the door pop-up device 300 and the lock 100. Through the above arrangement, compared with the solution of arranging the door pop-up device 300 with the same elastic force on the side of the door 20 close to the lock tongue 30, when the door pop-up device 300 returns to its original state and releases the same energy, the opening angle of the door 20 can be increased, that is, the second preset angle can be increased.

[0072] More specifically, the door pop-up device 300 includes a second elastic element 310 and an abutment member 320, wherein the second elastic element 310 is disposed on the side of the door 20 facing the box 10, and the abutment member 320 is connected to the second elastic element 310 and can be detachably abutted against the box 10. Alternatively, the second elastic element 310 is disposed on the side of the box 10 facing the door 20, and the abutment member 320 is connected to the second elastic element 310 and can be detachably abutted against the door 20. In this embodiment, the second elastic element 310 is disposed on the side of the door 20 facing the box 10. By disposing the abutment member 320, the reliability of the door pop-up device 300 when abutting against the box 10 can be improved.

[0073] Fig. 9 A schematic diagram of a lock provided by an embodiment of the present invention is shown. Fig.10 The internal structure of the lock provided by the embodiment of the present invention is shown as follows Figure 1 , Fig.11 The internal structure of the lock provided by the embodiment of the present invention is shown as follows Figure 2 .

[0074] Reference Figure 9-11 The lock 100 includes a fixed housing 110, a pre-tightening member 120 and a pre-tightening elastic element 130. The fixed housing 110 is mounted on the box 10, the pre-tightening member 120 is swingably disposed in the fixed housing 110, and the pre-tightening elastic element 130 is connected between the pre-tightening member 120 and the fixed housing 110, so that the pre-tightening member 120 is in a pre-tightening position. The lock tongue 30 is provided with a card slot 31, and the lock tongue 30 can extend into the fixed housing 110. When the lock tongue 30 and the lock 100 are in a separable positioning state, the pre-tightening member 120 swings to the pre-tightening position and is card-fitted in the card slot 31. At this time, the lock tongue 30 is connected to the lock 100 but is not locked. Before starting the washing or other processing process of the clothing processing equipment, the user can pull the door body 20 to disengage the lock tongue 30 from the preload member 120, and pull the lock tongue 30 out of the fixed shell 110 to open the door body 20.

[0075] Specifically, the pre-tightening member 120 is provided with a pre-tightening protrusion 121, which can be clamped in the clamping groove 31. The groove wall of the clamping groove 31 is sloped, and the pre-tightening protrusion 121 is provided with a sloped guide surface. In the process of the lock tongue 30 and the lock 100 being converted from the contact unlocking state to the detachable positioning state, the sloped guide surface can slide relative to the groove wall of the clamping groove 31, so that the pre-tightening protrusion 121 enters the clamping groove 31. In the process of the lock tongue 30 and the lock 100 being converted from the detachable positioning state to the contact unlocking state, the sloped guide surface can slide relative to the groove wall of the clamping groove 31, so that the pre-tightening protrusion 121 moves out of the clamping groove 31.

[0076] To be more specific, the above-mentioned sloped guide surface is divided into an entry slope and an exit slope. The slope angle of the entry slope is smaller, which is beneficial to reducing the resistance when the pre-tightening protrusion 121 enters the clamping groove 31; the slope angle of the exit slope is larger, which is beneficial to achieving the set positioning force value of the detachable positioning state.

[0077] More specifically, the lock 100 further comprises a swing housing 140 and a locking screw 150. The swing housing 140 is swingably disposed in the fixed housing 110, and a swing shaft 141 of the swing housing 140 is located at a vertex of the swing housing 140. The swing housing 140 can swing and switch between a locking position and an unlocking position. The locking screw 150 is disposed in the swing housing 140 and is spaced apart from the preload member 120. The locking tongue 30 can extend between the preload member 120 and the locking screw 150. An involute spiral structure is disposed on the peripheral side of the locking screw 150. A toothed locking portion 32 is disposed on the side of the locking tongue 30 facing the locking screw 150. The toothed locking portion 32 can engage or disengage with the involute spiral structure during the rotation of the locking screw 150.

[0078] When the swing housing 140 swings to the locking position, the locking screw 150 contacts the lock tongue 30, and the locking screw 150 can rotate forward to make the involute spiral structure mesh with the toothed locking portion 32 to lock, thereby pulling the lock tongue 30 into the space between the preload member 120 and the locking screw 150. The locking screw 150 can also rotate in the reverse direction to push the toothed locking portion 32 out of the space between the preload member 120 and the locking screw 150. When the swing housing 140 swings to the unlocking position, the locking screw 150 can be separated from the lock tongue 30. If the preload protrusion 121 and the clamping groove 31 are already engaged in place at this time, the lock tongue 30 and the lock 100 are in a separable positioning state at this time.

[0079] That is to say, when the locking screw 150 rotates in the opposite direction to drive the lock tongue 30 to be pushed out, the preload member 120 exits the card slot 31 and exits the preload position. At this time, the lock tongue 30 and the locking screw 150 are still in the locked state. The swing housing 140 swings to the unlocked position, and the lock tongue 30 and the lock 100 can be converted from the locked state to the disengaged state. At this time, it is necessary to rely on the door body pop-up device 300 to release energy to pop open the door body, that is, the door body 20 is opened to the second preset angle through the door body pop-up device 300.

[0080] It should be noted that the automatic door-closing force applied by the door closer 200 during the process of the door body 20 automatically closing from the first preset angle to the third preset angle is less than the pop-up door-opening force of the door body pop-up device 300 to open the door body 20 to the second preset angle, which is less than the locking door-closing force during the process of the locking screw 150 driving the lock tongue 30 to extend into the space between the preload member 120 and the locking screw 150.

[0081] More specifically, the lock 100 further includes a first drive device 160 and a second drive device 170. The first drive device 160 is disposed on the swing housing 140 and is transmission-connected to the fixed housing 110, and can drive the swing housing 140 to swing relative to the fixed housing 110 to switch between a locked position and an unlocked position. The second drive device 170 is disposed on the swing housing 140 and is transmission-connected to the locking screw 150, and can drive the locking screw 150 to move, so as to lock with the lock tongue 30 or drive the lock tongue 30 to withdraw from between the preload 120 and the locking screw 150 to form an unlocked state, and can also drive the lock tongue 30 to extend into the space between the preload 120 and the locking screw 150. In this embodiment, both the first drive device 160 and the second drive device 170 can be drive motors in the prior art.

[0082] Continue to refer to Fig.10 and Fig.11 The lock 100 also includes a lock tongue proximity sensor, a lock tongue in-position sensor and a swing position sensor. The lock tongue proximity sensor can send a lock tongue proximity signal when the lock tongue 30 approaches the lock 100, and at this time the first drive device 160 starts to drive the swing housing 140 to swing from the unlocked position to the locked position. It should be noted that when the user is in a hurry, the door body 20 can be directly closed in the clothing inlet by pushing the door body 20, that is, the lock tongue 30 is quickly inserted into the space between the preload member 120 and the locking screw 150. At this time, since the swing housing 140 is still in the unlocked position, it will not cause collisions and other problems.

[0083] When the lock tongue 30 moves to be connected to the preload member 120, the lock tongue in place sensor sends a lock tongue in place signal. At this time, the first drive device 160 drives the swing housing 140 to swing from the locked position to the unlocked position, so that the lock tongue 30 is positioned only by the preload member 120. At this time, the lock tongue 30 and the lock 100 are in a detachable positioning state. At this time, the user can pull the door body 20 to open the clothing inlet and perform operations such as adding clothes.

[0084] The swing position sensor can detect the swing position of the swing housing 140 and determine whether the swing housing 140 is in the unlocked position or the locked position. When the swing housing 140 detects that the swing housing 140 is in the unlocked position and the laundry processing device sends a locking start signal, the first driving device 160 can drive the swing housing 140 to swing from the unlocked position to the locked position, and the second driving device 170 can drive the locking screw 150 to rotate to lock with the lock tongue 30. After the above process is completed, the door body 20 is locked at the laundry inlet, thereby ensuring the safety of the subsequent laundry process.

[0085] Specifically, the lock 100 further includes a transmission rack 181 and a transmission gear set 183. The first driving device 160 and the transmission gear set 183 are transmission-connected and both are connected to the swing housing 140. The fixed housing 110 is provided with a slide groove 111. The transmission rack 181 is provided in the slide groove 111 and meshes with the transmission gear set 183. The first driving device 160 can drive the transmission gear set 183 to rotate, so as to drive the swing housing 140 to swing relative to the fixed housing 110 along the extension direction of the slide groove 111, so as to switch between the unlocking position and the locking position.

[0086] More specifically, the lock 100 further includes a swing elastic element 182. The transmission rack 181 is movably disposed in the slide groove 111, and the swing elastic element 182 is connected between one end of the transmission rack 181 and the abutting boss 113 in the fixed housing 110. In the process of the swing housing 140 swinging from the unlocking position to the locking position, the transmission rack 181 can move in the slide groove 111, and the swing elastic element 182 can be compressed to store energy. When the toothed locking portion 32 is opposite to the spiral teeth of the locking screw 150 and cannot mesh, the swing housing 140 is temporarily unable to swing to the locking position. At this time, the first driving device 160 drives the transmission gear set 183 to rotate, thereby driving the transmission rack 181 to move in the direction where the swing elastic element 182 is located, and the swing elastic element 182 is compressed to store energy. At the same time, the second drive device 170 drives the locking screw 150 to rotate, and the spiral teeth of the rotating locking screw 150 move relative to the tooth portion of the toothed locking portion 32. When the two move to the point where the tooth tops are staggered with each other and the tooth tops are opposite to the tooth grooves, under the elastic action of the swinging elastic element 182, the two can quickly engage with each other to allow the swinging housing 140 to swing to the locking position.

[0087] As a preference, refer to Fig. 9 The fixed housing 110 has a through opening 112 on its side, and the swing housing 140 is connected to a pull cord 190, which can extend from the through opening 112. The pull cord 190 can drive the swing housing 140 to swing relative to the fixed housing 110, so that the swing housing 140 swings from a locked position to an unlocked position. That is to say, in an emergency, the user can pull the swing housing 140 to swing by the pull cord 190, and the transmission rack 181 and the transmission gear set 183 swing together with the swing housing 140 in the direction of being pulled. During this process, the swing elastic element 182 is compressed, so that the toothed locking portion 32 of the lock tongue 30 can be disengaged from the locking screw 150 to unlock, thereby realizing manual door opening and ensuring the safety and reliability of the product. It should be noted that the pull cord 190 can be a soft plastic rope or a flexible strip of other materials.

[0088] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A door opening and closing mechanism, characterized in that: The door (20) is arranged between a clothing inlet of a housing (10) of a clothing processing device and a door (20); the door (20) is rotatably arranged at the clothing inlet and can be rotatably closed or opened to close the clothing inlet; the door (20) is provided with a locking tongue (30); and the door opening and closing mechanism comprises: The lock (100) is arranged on the box (10), and the lock tongue (30) and the lock (100) have a disengaged state, a contact unlocking state, a detachable positioning state and a locked state. When the lock (100) is actuated, the lock tongue (30) and the lock (100) can be switched between the contact unlocking state, the detachable positioning state and the locked state. The door closer (200) is arranged at the rotation connection between the door body (20) and the box body (10), and is capable of driving the door body (20) to continue rotating to a third preset angle when the door body (20) and the clothing loading port are at a first preset angle, so that the lock tongue (30) and the lock (100) are converted from the disengaged state to the contact unlocked state; A door pop-up device (300) is arranged between the box (10) and the door (20); when the lock tongue (30) and the lock (100) are converted from the contact unlocking state to the locked state, the door pop-up device (300) stores energy; when the lock tongue (30) and the lock (100) are converted from the locked state to the disengaged state, the door pop-up device (300) releases energy to pop the door (20) open to a second preset angle; The second preset angle is greater than the first preset angle.

2. The door opening and closing mechanism according to claim 1, characterized in that: The door closer (200) comprises a cam (210) and an energy storage assembly (220), wherein the cam (210) is coaxially arranged on the rotating shaft of the door body (20), and the energy storage assembly (220) is connected to the door body (20) or the box body (10) and is movably abutted against the wheel surface of the cam (210). When the door body (20) is opened or closed relative to the clothing delivery port, the first end of the energy storage assembly (220) can move along the wheel surface of the cam (210) in the direction of opening or closing the door.

3. The door opening and closing mechanism according to claim 2, characterized in that: The wheel surface of the cam (210) is provided with an arc portion (211), a convex portion (212) and a concave portion (213) which are connected in sequence and smoothly transitioned; During the process of the door body (20) opening relative to the clothing loading port, the first end of the energy storage component (220) moves successively along the recessed portion (213) and the raised portion (212) to the arc portion (211), and the energy storage component (220) accumulates energy; During the process of closing the door body (20) relative to the clothing loading port, when the first end of the energy storage assembly (220) moves along the arc portion (211) to the raised portion (212), the door body (20) is manually closed to the first preset angle relative to the clothing loading port; After the door body (20) is manually closed to the first preset angle relative to the clothing delivery opening, the energy storage assembly (220) releases energy to drive itself to continue moving in a direction away from the raised portion (212) to reach the recessed portion (213), so that the door body (20) is automatically closed to the third preset angle relative to the clothing delivery opening.

4. The door opening and closing mechanism according to claim 2, characterized in that: The door closer (200) further comprises a sleeve (230), wherein the sleeve (230) is movably connected between the rotating shafts of the housing (10) and the door body (20); the energy storage assembly (220) comprises a roller (221), an adapter (222) and a first elastic element (223); the roller (221) is rotatably connected to the adapter (222) around its own axis; the roller (221) can roll along the wheel surface of the cam (210); the adapter (222) is arranged at the end opening of the sleeve (230) close to the rotating shaft of the door body (20); the first elastic element (223) is arranged between the adapter (222) and the bottom of the sleeve (230); the first elastic element (223) can compress and store energy along the axial direction of the sleeve (230), or restore to its original state to release energy.

5. The door opening and closing mechanism according to claim 1, characterized in that: The door pop-up device (300) comprises a second elastic element (310) and an abutment member (320), wherein the second elastic element (310) is arranged on a side of the door (20) facing the box (10), and the abutment member (320) is connected to the second elastic element (310) and can be detachably abutted against the box (10); or, The second elastic element (310) is arranged on a side of the box body (10) facing the door body (20), and the abutment member (320) is connected to the second elastic element (310) and can be detachably abutted against the door body (20).

6. The door opening and closing mechanism according to claim 1, characterized in that: There are a plurality of door pop-up devices (300), and the plurality of door pop-up devices (300) are arranged at intervals between the box body (10) and the door body (20) along the height direction of the box body (10).

7. The door opening and closing mechanism according to claim 1, characterized in that: The distance between the door body pop-up device (300) and the rotating shaft of the door body (20) is smaller than the distance between the door body pop-up device (300) and the lock (100).

8. The door opening and closing mechanism according to claim 1, characterized in that: The lock (100) comprises a fixed shell (110), a pre-tightening member (120) and a pre-tightening elastic element (130); the fixed shell (110) is mounted on the box (10); the pre-tightening member (120) is swingably arranged in the fixed shell (110); the pre-tightening elastic element (130) is connected between the pre-tightening member (120) and the fixed shell (110) so as to place the pre-tightening member (120) in a pre-tightening position; the lock tongue (30) is provided with a clamping groove (31); the lock tongue (30) can extend into the fixed shell (110); when the lock tongue (30) and the lock (100) are in a separable positioning state, the pre-tightening member (120) swings to the pre-tightening position and is clamped in the clamping groove (31).

9. The door opening and closing mechanism according to claim 8, characterized in that: The lock (100) further comprises a swing housing (140) and a locking screw rod (150); the swing housing (140) is swingably disposed in the fixed housing (110); the swing housing (140) is capable of swinging and switching between a locking position and an unlocking position; The locking screw (150) is arranged in the swing housing (140) and is spaced apart from the preload member (120); the locking tongue (30) can extend between the preload member (120) and the locking screw (150); a toothed locking portion (32) is provided on a side of the locking tongue (30) facing the locking screw (150); and the toothed locking portion (32) can engage with or disengage from the locking screw (150); When the swing housing (140) swings to the locking position, the locking screw (150) contacts the locking tongue (30), and the locking screw (150) can rotate in the positive direction to engage and lock with the toothed locking portion (32); the locking screw (150) can also rotate in the reverse direction to push the toothed locking portion (32) out of the space between the preload member (120) and the locking screw (150); When the swing housing (140) swings to the unlocking position, the locking screw rod (150) can be separated from the locking tongue (30); When the locking screw (150) rotates to drive the locking tongue (30) to push out of the space between the preload member (120) and the locking screw (150), the preload member (120) exits the card slot (31) and exits the preload position. At this time, the locking tongue (30) and the locking screw (150) are still in the locked state. When the swing housing (140) swings to the unlocked position, the locking tongue (30) and the lock (100) are converted from the locked state to the disengaged state. At this time, the door body pop-up device (300) releases energy to pop out and open the door body (20) to the second preset angle.

10. The door opening and closing mechanism according to claim 9, characterized in that: The automatic door-closing force applied by the door closer (200) when the door body (20) automatically closes from the first preset angle to the third preset angle is less than the pop-up door-opening force applied by the door body pop-up device (300) to open the door body (20) to the second preset angle, and is less than the locking door-closing force applied by the locking screw (150) when the locking tongue (30) is driven to extend into the space between the preload member (120) and the locking screw (150).

11. A clothes processing device, characterized in that: It comprises a box body (10) and a door body (20), and also comprises a door opening and closing mechanism as described in any one of claims 1 to 10, wherein the door opening and closing mechanism is arranged between a clothing inlet of the box body (10) and the door body (20), and the door body (20) is rotatably arranged at the clothing inlet and can be rotated to close or open the clothing inlet, and a locking tongue (30) is arranged on a side of the door body (20) away from the rotating shaft.

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