CN217439743U - Automatic door closing structure and refrigerator - Google Patents
Automatic door closing structure and refrigerator Download PDFInfo
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- CN217439743U CN217439743U CN202220584910.9U CN202220584910U CN217439743U CN 217439743 U CN217439743 U CN 217439743U CN 202220584910 U CN202220584910 U CN 202220584910U CN 217439743 U CN217439743 U CN 217439743U
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Abstract
The utility model discloses an automatic door closing structure and freezer belongs to cabinet door switch technical field. The automatic door closing structure comprises a cabinet body, a cabinet door, a door support, a lock box and an automatic door closing assembly; the automatic door closing assembly comprises a double-microswitch electromagnetic lock; the lock box is arranged on the first surface of the cabinet body and is adjacent to the cabinet door; the door support is connected with the first surface of the cabinet body and is adjacent to the cabinet door; the double-microswitch electromagnetic lock is respectively connected with the lock box and the cabinet door; the double-microswitch electromagnetic lock comprises a first state, a second state and a third state, wherein in the first state, the double-microswitch electromagnetic lock is in an unlocking state, and the cabinet door is in a closing state; in the second state, the double-microswitch electromagnetic lock is in an unlocking state, and the cabinet door is in an opening state; and in the third state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in a closed state. Set up this structure on the freezer, solved the cabinet door switch and caused a large amount of refrigeration losses and the technical problem of goods and materials loss.
Description
Technical Field
The utility model belongs to the technical field of cabinet door switch, a automatic door closing structure is related to, still relate to a freezer.
Background
Once the door of the existing electromagnetic lock of the freezer is opened, the door of the freezer can be bounced open under the action of the opening force, and unnecessary refrigeration loss can be caused in the time period from unlocking to fetching; correspondingly, need additionally apply a great external force when closing the door and just can guarantee that the cabinet door is locked by the electromagnetic lock, if forget to close the door or close the door and apply external force too little, will cause the cabinet door to lock completely to lead to a large amount of refrigeration losses. Refrigeration loss can be caused in the two situations, so that the energy consumption is increased, energy conservation and green environmental protection are not facilitated, a large amount of energy is wasted when a user uses up the refrigerator door and the refrigerator door is not closed completely, and certain loss can be caused to articles stored in the refrigerator such as frozen meat.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic door closing structure and freezer to solve the technical problem of automatic outer bullet when current freezer cabinet door is opened, still solved the cabinet door switch and caused a large amount of refrigeration losses.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides an automatic door closing structure, which comprises a cabinet body, a cabinet door, a door support, a lock box and an automatic door closing assembly, wherein the automatic door closing assembly comprises a double-microswitch electromagnetic lock; the lock box is arranged on the first surface of the cabinet body and is adjacent to the cabinet door; the door support is connected with the first surface of the cabinet body and is adjacent to the cabinet door; the double-microswitch electromagnetic lock is respectively connected with the lock box and the cabinet door;
the double-microswitch electromagnetic lock comprises a first state, a second state and a third state, wherein in the first state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in a closed state; in a second state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in an open state; in a third state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in a closed state.
In some embodiments, the lock box comprises a first region, a second region, a third region and a fourth region, the first region, and/or the second region being adjacent to the first side of the cabinet door, the third region and the fourth region being provided between the first region and the second region, wherein the fourth region is provided at the front side of the third region.
In some embodiments, the double-microswitch electromagnetic lock comprises a lock body and a lock hook, the lock body is provided with a lock hook groove, the lock body is installed in the first area of the lock box, and/or the second area of the lock box, the lock hook is installed on the cabinet door, and the lock hook is arranged in the lock hook groove of the lock body when the cabinet door is closed.
In some embodiments, the automatic door closing assembly further comprises an automatic return door hinge comprising a mounting surface, a rotating shaft, and a resilient element;
the mounting surface is mounted on the second side of the cabinet door, and the rotating shaft and the elastic element are mounted on the mounting surface.
In some embodiments, the automatic return door hinge further comprises:
the mounting surface is provided with a rotating shaft hole and at least one cabinet door hole, the rotating shaft is connected with the elastic element through the rotating shaft hole, and the cabinet door hole fixes the mounting surface on the second side of the cabinet door through a screw.
In some embodiments, the door mount comprises a first metal plane and a second metal plane perpendicular to each other;
the door support is characterized in that a rotating shaft interface is arranged on the first metal plane, the rotating shaft is embedded into the rotating shaft interface, at least one cabinet body interface is arranged on the second metal plane, and the cabinet body interface fixes the first surface of the door support on the cabinet body through a screw.
In some embodiments, the automatic door closing assembly further comprises an emergency stop device for opening and closing at least one of the doors.
In some embodiments, the emergency limiting device comprises an emergency pull rod and an emergency limiting fixture block;
an emergency pull rod clamping groove is formed in the emergency pull rod, and the emergency pull rod is installed in a third area of the lock box;
one end of the emergency limiting clamping block is fixed on the second surface of the cabinet body, and the other end of the emergency limiting clamping block can move;
when the emergency pull rod opens or closes at least one cabinet door, the other end of the emergency limiting clamping block is arranged in the emergency pull rod clamping groove.
In some embodiments, the automatic door closing assembly further comprises a door indicator light mounted outside the fourth region of the lock case.
The utility model provides a pair of refrigerator, include as above automatic door closing structure.
The utility model provides an automatic door closing structure, which comprises a cabinet body, a cabinet door, a door support, a lock box and an automatic door closing assembly; the automatic door closing assembly comprises a double-microswitch electromagnetic lock and an automatic return door hinge; the lock box is arranged on the first surface of the cabinet body and is adjacent to the cabinet door; the double-microswitch electromagnetic lock is arranged in the lock box and also comprises a lock hook arranged on the cabinet door, and the door support is respectively hinged with the first surface of the cabinet body and the automatic return door and is adjacent to the cabinet door; through above-mentioned technical scheme, cabinet door can not directly be opened behind the electromagnetic lock unblock, can be automatic tend to close after the cabinet door is opened, the automatic door closing assembly still includes emergent stop device and cabinet door pilot lamp, emergent stop device includes emergent pull rod and emergent spacing fixture block, emergent pull rod is installed in the lock box, emergent spacing fixture block is fixed in cabinet body top, realized opening whole cabinet doors under the emergency to automatic tend to close after the cabinet door is opened, the cabinet door pilot lamp is located outside the lock box, be used for instructing the cabinet door state. The structure is arranged on the refrigerator, so that unnecessary refrigeration loss and material loss are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of an automatic door closing structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of an electromagnetic lock with double micro-switches according to an embodiment of the present invention;
fig. 3 is a schematic oblique top view of an automatic door closing structure according to an embodiment of the present invention;
fig. 4 is a schematic position diagram of an emergency stop device according to an embodiment of the present invention;
FIG. 5 is a schematic view of an automatic door hinge according to an embodiment of the present invention;
fig. 6 is a schematic view of the position of an automatic return door hinge and a cabinet door according to an embodiment of the present invention;
FIG. 7 is a schematic view of a door support according to an embodiment of the present invention;
fig. 8 is a schematic front view of a refrigerator according to an embodiment of the present invention.
Description of the figure numbers:
1-a cabinet body; 10-a front cover plate; 11-a first side of the cabinet; 12-a second side of the cabinet; 2-cabinet door; 21-first side of cabinet door; 22-the second side of the cabinet door; 3-locking the box; 31-a first region of the lock box; 32-a second region of the lock box; 33-a third region of the lock box; 34-a fourth region of the lock box; 4-double micro-gap switch electromagnetic lock; 41-unlocking contact; 42-an unlocking contact; 5-automatic back-force door hinge; 51-a mounting surface; 52-a rotating shaft; 53-a resilient element; 6-door support; 61-a first metal plane; 62-a second metal plane; 63-rotating shaft interface 7-cabinet door indicator light; 8-emergency limiting device; 81-emergency pull rod; 82-emergency limit card is quick; 100-screw.
Detailed Description
The technical solution in the embodiment of the present invention is described clearly and completely with reference to the accompanying drawings in the embodiment of the present invention. The components in the drawings are not necessarily to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, in the several views of the drawings, like reference numerals designate corresponding parts. It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The adjacent relationship with the cabinet door in the embodiment is when the cabinet door is closed.
The embodiment 1 of the present invention provides an automatic door closing structure, referring to fig. 1 to 7, including a cabinet body 1, a cabinet door 2, a door support 6, a lock box 3 and an automatic door closing assembly; wherein, the automatic door closing assembly comprises a double-microswitch electromagnetic lock 4; the lock box 3 is mounted on the first surface 11 (i.e. the front surface) of the cabinet body 1 and is adjacent to the first side 21 of the cabinet door 2; the door support 6 is connected with the first surface 11 of the cabinet body 1 and is adjacent to the second side 22 of the cabinet door 2; the double-microswitch electromagnetic lock 4 is respectively connected with the lock box 3 and the cabinet door 2;
the automatic door closing assembly also comprises an automatic return door hinge 5, a cabinet door indicator light 7 and an emergency limiting device 8;
as an example of the present embodiment, referring to fig. 3, the lock box 3 includes a first region 31, a second region 32, a third region 33 and a fourth region 34, the first region 31 and/or the second region 32 is adjacent to the first side 21 of the cabinet door 2, the third region 33 and the fourth region 34 are respectively disposed between the first region and the second region, wherein the fourth region is disposed at the front side of the third region, when the cabinet door is closed, specifically, referring to fig. 3, when the cabinet door is closed, the cabinet body 1 is seen, the fourth region 34 is located in front of the third region 33, and when the cabinet door is closed, the third region 33 is located at a rear position relative to the cabinet door 2, the fourth region protrudes relative to the cabinet door 2.
The double-microswitch electromagnetic lock 4 comprises a lock body 4 and a lock hook 4, the lock body 4 is provided with a lock hook groove and is arranged in a first area 31 of the lock box 3 and/or a second area 32 of the lock box 3, the lock hook 4 is arranged on a first side 21 of the cabinet door 2, and the lock hook 4 is arranged in the lock hook groove of the lock body 4 when the cabinet door 2 is closed.
In one embodiment, the cabinet 1 comprises a cabinet door 2, wherein the first region 31 or the second region 32 of the lock box 3 is adjacent to the first side 21 of the cabinet door 2, and the lock body 4 is mounted in the first region 31 or the second region 32 of the lock box 3;
in another embodiment, the cabinet 1 comprises a single number of cabinet doors 2, wherein the first region 31, and/or the second region 32 of the lock box 3 is adjacent to the first side 21 of the cabinet door 2, and the lock body 4 is mounted to the first region 31, and/or the second region 32 of the lock box 3;
in another embodiment, the cabinet 1 includes at least two doors 2, and when two doors 2 are two or more doors, the first area 31 and the second area 32 of the lock box 3 are adjacent to the first side 21 of the doors 2, and the lock body 4 is installed in the first area 31 of the lock box 3 and the second area 32 of the lock box 3.
Specifically, referring to the schematic diagram of the double-microswitch electromagnetic lock in fig. 2, the double-microswitch electromagnetic lock 4 includes a first state, a second state and a third state, wherein in the first state, the double-microswitch electromagnetic lock 4 is in an unlocked state, the unlocking contact is located at 42, and the cabinet door 2 is in a closed state; in a second state, the double-microswitch electromagnetic lock 4 is in an unlocking state, the unlocking contact is positioned at 42, and the cabinet door 2 is in an opening state; in the third state, the double-microswitch electromagnetic lock 4 is in an un-unlocked state, the unlocking contact is positioned at 41, and the cabinet door 2 is in a closed state.
Referring to fig. 3 and 5 as an example of the present embodiment, the automatic door hinge 5 is mounted on the second side 22 of the cabinet door 2, and includes a mounting surface 51, a rotating shaft 52, and an elastic element 53;
the mounting surface 51 is mounted on the second side 22 of the cabinet door 2, and the rotating shaft 52 and the elastic element 53 are both mounted on the mounting surface 41;
specifically, a rotating shaft hole and at least one cabinet door hole are formed in the mounting surface, the rotating shaft 52 is connected with the elastic element 53 through the rotating shaft hole, referring to fig. 6, a schematic position diagram of a cabinet door and an automatic return door hinge and fig. 1, the cabinet door hole fixes the mounting surface on the second side 22 of the cabinet door 2 through a screw 100; the rotating shaft 52 is connected with the door support 6;
referring to fig. 1, 5 and 6, the door support 6 includes a first metal plane 61 and a second metal plane 62 which are intersected with each other, the first metal plane 61 is provided with a rotating shaft interface 63, the rotating shaft 52 is embedded into the rotating shaft interface 63, the second metal plane 62 is provided with at least one cabinet body interface, and the cabinet body interface fixes the door support on the first surface 11 of the cabinet body 1 through a screw 100;
in one embodiment, the hinge interface 63 of the first metal plane 61 is inclined with respect to the hinge 52, and when the cabinet door 2 is opened, the elastic element 53 of the automatic door hinge 5 is disengaged from the initial state, so that the cabinet door 2 tends to close to restore the initial state, thereby achieving the technical effect of automatic door closing. It should be noted that the elastic element 53 of the automatic back-hinge 5 of the present invention is connected to the rotating shaft 52, wherein the elastic element may be any substance having an automatic restoring initial state, including but not limited to a spring and the like.
As an example of this embodiment, the emergency limiting device 8 is used to open and close at least one cabinet door, that is, the emergency limiting device can open and close all cabinet doors.
Specifically, referring to the schematic position diagram of the emergency limiting device in fig. 4, the emergency limiting device 8 is arranged in the front cover plate 10 of the cabinet body and includes an emergency pull rod 81 and an emergency limiting fixture block 82; the emergency pull rod 81 is provided with an emergency pull rod clamping groove and is arranged in the third area 33 of the lock box 3; one end of the emergency limiting fixture block 82 is fixed on the second surface 12 of the cabinet body, and the other end of the concentrated emergency limiting fixture block 82 can move; when the emergency pull rod 81 opens or closes at least one cabinet door, the other end of the emergency limiting clamping block 82 is arranged in the clamping groove of the emergency pull rod.
In an embodiment, the cabinet body 1 includes a cabinet door 2, and when the cabinet door 2 needs to be opened by using the emergency limiting device, the emergency pull rod 81 installed in the third area 33 of the lock box 3 is pulled upwards, and the emergency limiting fixture block 82 is clamped into the emergency pull rod clamping groove, so that the cabinet door 2 is opened. When closing cabinet door 2, remove emergent spacing fixture block 82, emergent pull rod 81 self return, latch hook 4 is sufficient with 4 cooperation allowances of electromagnetic lock, and cabinet door 2 can be locked again after emergent pull rod self return.
In another embodiment, the cabinet body 1 includes at least two cabinet doors 2, and when the cabinet doors 2 need to be opened by using the centralized emergency limiting device, the emergency pull rod 81 installed in the third area 33 of the lock box 3 is pulled upward, and the emergency limiting fixture block 82 is clamped into the emergency pull rod clamping groove, so that the cabinet doors 2 are opened. When closing cabinet door 2, remove emergent spacing fixture block 82, emergent pull rod 81 self return, latch hook 4 is sufficient with 4 cooperation allowances of electromagnetic lock, and cabinet door 2 can be locked again after emergent pull rod self return.
As an example of the present embodiment, the cabinet door indicator lamp 7 is installed outside the fourth region 34 of the lock case 3.
In an embodiment, when needing to open the door, the electromagnetic lock is opened, but the cabinet door still keeps the closed condition, under the first state promptly, the cabinet door pilot lamp lights for the suggestion grid electromagnetic lock has opened, and the user can open the corresponding cabinet door this moment, takes or puts into article, when the cabinet door is opened, under the second state promptly, the cabinet door pilot lamp is closed.
In one embodiment, when the cabinet 1 includes N rows of cabinet doors 2, N cabinet door indicators 7 are installed outside the fourth area 34 of the lock box 3, where N is a positive integer.
The refrigerator provided by the embodiment of the application comprises the automatic door closing structure;
in an embodiment, referring to the schematic front view of the refrigerator in fig. 8, the refrigerator includes the above automatic door closing structure, and the double-microswitch electromagnetic lock 4 is selected and installed in the first area 31 and the second area 32 of the lock box, and the double-microswitch electromagnetic lock 4 has the characteristic that the acting force of the unlocking and locking on the lock hook 4 can be almost ignored, so that the disadvantage that the door 2 needs a large external force to open and close the door when the door is opened is overcome; the cabinet door 2 is provided with an automatic return force door hinge 5, and the characteristic is that the larger the door opening angle is, the larger the resilience force is, namely the larger the automatic door closing force is, the device enables the cabinet door 2 to always tend to be in a closed state, and the problem that the cabinet door 2 cannot be closed when the door is forgotten to be closed or the door closing force is very small is solved by matching with the double-microswitch electromagnetic lock 4; the emergency limiting device 8 is designed, is installed in the third area 33 of the lock box, is fixed on the cabinet body 1, and comprises an emergency pull rod 81 and an emergency limiting fixture block 82, meanwhile, enough margin is reserved when the lock hook 4 is matched with the lock body 4, when the emergency limiting device 8 is used, the emergency pull rod 81 is pulled upwards for a certain distance, and the emergency limiting fixture block 82 is clamped into a corresponding clamping groove of the emergency pull rod 81, so that emergency operation can be completed; open emergent spacing fixture block 82 when needing the return, emergent pull rod 81 can self return, because latch hook 4 is sufficient with 4 cooperation allowances of lock body, cabinet door 2 can be locked again after emergent pull rod 81 self return. A cabinet door indicating lamp 7 is added, whether the double-microswitch electromagnetic lock 4 of the corresponding cabinet door 2 is opened or not is prompted through the indicating lamp 7, when the door needs to be opened, the double-microswitch electromagnetic lock 4 of the corresponding cabinet door 2 is opened, but the cabinet door 2 still keeps a closed state, namely the door is not opened, meanwhile, the indicating lamp 7 of the corresponding cabinet door 2 is turned on to prompt that the double-microswitch electromagnetic lock 4 of the cabinet door 2 is opened, at the moment, a user can open the corresponding cabinet door 2 and take or put articles, and when the cabinet door 2 is opened, the indicating lamp 7 is turned off; when needing to close the door, the cabinet door 2 can self-closing under the resilience effect of automatic resilience door hinge 5, even the user forgets to close the door or the dynamics of closing the door is very little, cabinet door 2 also can normally close, and article in the two micro-gap switch electromagnetic lock 4 locks in order to protect cabinet door 2 simultaneously.
The foregoing is a more detailed description of the present invention that is presented in connection with specific embodiments, and the present invention is not to be considered as limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as the utility model discloses a protection scope.
Claims (10)
1. An automatic door closing structure is characterized by comprising a cabinet body, a cabinet door, a door support, a lock box and an automatic door closing assembly, wherein the automatic door closing assembly comprises a double-microswitch electromagnetic lock; the lock box is arranged on the first surface of the cabinet body and is adjacent to the cabinet door; the door support is connected with the first surface of the cabinet body and is adjacent to the cabinet door; the double-microswitch electromagnetic lock is respectively connected with the lock box and the cabinet door;
the double-microswitch electromagnetic lock comprises a first state, a second state and a third state, wherein in the first state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in a closed state; in a second state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in an open state; in a third state, the double-microswitch electromagnetic lock is in an unlocked state, and the cabinet door is in a closed state.
2. The automatic door closing structure according to claim 1, wherein the lock case includes a first region, a second region, a third region and a fourth region, the first region, and/or the second region being adjacent to the first side of the cabinet door, the third region and the fourth region being respectively disposed between the first region and the second region, wherein the fourth region is disposed at a front side of the third region.
3. The automatic door-closing structure according to claim 2, wherein the double micro switch electromagnetic lock comprises a lock body and a lock hook, the lock body is provided with a lock hook slot, the lock body is installed in the first region of the lock box, and/or the second region of the lock box, the lock hook is installed on the cabinet door, and the lock hook is placed in the lock hook slot of the lock body when the cabinet door is closed.
4. The automatic door closing structure of claim 1, wherein the automatic door closing assembly further comprises an automatic return door hinge, the automatic return door hinge comprising a mounting surface, a rotating shaft, and a resilient element;
the mounting surface is mounted on the second side of the cabinet door, and the rotating shaft and the elastic element are mounted on the mounting surface.
5. The automatic door-closing structure of claim 4, wherein the automatic door-hinge further comprises:
the mounting surface is provided with a rotating shaft hole and at least one cabinet door hole, the rotating shaft is connected with the elastic element through the rotating shaft hole, and the cabinet door hole fixes the mounting surface on the second side of the cabinet door through a screw.
6. The automatic door-closing structure of claim 5, wherein said door mount comprises a first metal plane and a second metal plane perpendicular to each other;
the door support is characterized in that a rotating shaft interface is arranged on the first metal plane, the rotating shaft is embedded into the rotating shaft interface, at least one cabinet body interface is arranged on the second metal plane, and the cabinet body interface fixes the first surface of the door support on the cabinet body through a screw.
7. The automatic door-closing structure according to claim 2, wherein said automatic door-closing assembly further comprises an emergency stop device for opening and closing at least one of said doors.
8. The automatic door closing structure according to claim 7, wherein said emergency stop means comprises an emergency pull rod and an emergency stop dog;
an emergency pull rod clamping groove is formed in the emergency pull rod, and the emergency pull rod is installed in a third area of the lock box;
one end of the emergency limiting clamping block is fixed on the second surface of the cabinet body, and the other end of the emergency limiting clamping block can move;
when the emergency pull rod opens or closes at least one cabinet door, the other end of the emergency limiting clamping block is arranged in the emergency pull rod clamping groove.
9. The automatic door closing structure of claim 2, wherein said automatic door closing assembly further comprises a door indicator light mounted outside a fourth region of said lock case.
10. A refrigerator comprising the automatic door closing structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220584910.9U CN217439743U (en) | 2022-03-17 | 2022-03-17 | Automatic door closing structure and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220584910.9U CN217439743U (en) | 2022-03-17 | 2022-03-17 | Automatic door closing structure and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217439743U true CN217439743U (en) | 2022-09-16 |
Family
ID=83214925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220584910.9U Active CN217439743U (en) | 2022-03-17 | 2022-03-17 | Automatic door closing structure and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217439743U (en) |
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2022
- 2022-03-17 CN CN202220584910.9U patent/CN217439743U/en active Active
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