CN216476911U - Refrigerator capable of automatically closing door - Google Patents

Abstract

The utility model discloses a refrigerator capable of automatically closing a door, which comprises a refrigerator body, wherein two sides of the front end of the refrigerator body are hinged with cabinet doors, handles are fixed on the outer sides of the cabinet doors through bolts, permanent magnets are bonded on the bottoms of the outer sides of the cabinet doors, two symmetrically distributed loop bars are fixed on the bottom of the front end of the refrigerator body through bolts, a speed reducing mechanism is arranged on the inner side of each loop bar, an inner rod is connected with the speed reducing mechanism, an electromagnet is fixed on the inner side of each inner rod, the electromagnet and the permanent magnets are oppositely arranged, a rectifier is fixed on the outer side of each loop bar through bolts, a controller is fixed on the top of the front end of the refrigerator body, the controller is electrically connected with the rectifier, the rectifier is electrically connected with the electromagnet, and a detection mechanism is arranged on the refrigerator body. According to the utility model, after the infrared sensor detects a corresponding signal, the signal is transmitted to the controller, the controller processes the signal and sends a command to the electromagnet, the electromagnet is opened, and the cabinet door is pushed to rotate through the magnetic repulsion between the electromagnet and the permanent magnet, so that the automatic door closing action can be realized.

Description

Refrigerator capable of automatically closing door

Technical Field

The utility model relates to the technical field of household appliances, in particular to a refrigerator capable of automatically closing a door.

Background

The refrigerator is another name of refrigerator and freezer, and food used for freezing or fresh-keeping display in supermarket is generally selected as display type refrigerator. At present, a display type refrigerator is an open type refrigerator without a switch door in the market, and the refrigerator needs to be refrigerated all the time for keeping fresh.

The current freezer generally all is that the guest closes the cabinet door by oneself, especially at the super interior freezer of trade, and the passenger flow crowd is many, and it has to avoid to have the guest to forget and close the cabinet door, leads to air conditioning to run off, and the freezer is in the high power refrigeration state always, not only wastes electricity, leads to the fact the influence to freezer itself moreover, consequently, makes corresponding improvement to this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a refrigerator capable of automatically closing a door.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a freezer that can close door automatically, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body front end both sides all articulate there is the cabinet door, the cabinet door outside has the handle through the bolt fastening, the bottom in the cabinet door outside bonds there is the permanent magnet, the bottom of cabinet body front end has the loop bar of two symmetric distributions through the bolt fastening, the loop bar inboard is provided with reduction gears, interior pole is connected with to reduction gears, the inboard of interior pole has the electro-magnet through the bolt fastening, electro-magnet and permanent magnet set up relatively, the outside of loop bar has the rectifier through the bolt fastening, the top of cabinet body front end has the controller through the bolt fastening, controller and rectifier electric connection, rectifier and electro-magnet electric connection, be provided with detection mechanism on the cabinet body.

Preferably, the detection mechanism comprises an infrared sensor, the infrared sensor is fixed at the bottom of the front end of the cabinet body through a bolt, and the infrared sensor is electrically connected with the controller.

Preferably, the speed reducing mechanism comprises a first spring, an embedded groove is formed in the inner side of the loop bar, the first spring is fixed on the side wall of the embedded groove through a bolt, and the other side of the first spring and the inner bar are fixed through a bolt.

Preferably, the inner walls of the two ends of the embedded groove are provided with limit grooves, limit blocks are connected in the limit grooves in a sliding mode, and the limit blocks and the inner rod are fixed through bolts.

Preferably, the bottom in the cabinet door outside is passed through the bolt fastening and is had the fixed block, and the fixed block bottom is passed through the bolt fastening and is had the pillar, and the annular has been seted up to the pillar outer wall, and annular department cover is equipped with the cam, and the cam is connected with anticollision institution.

Preferably, anticollision institution includes guide spring, and the guide way has been seted up to the fixed block bottom, and the guide way cross-section sets to the arc, and sliding connection has the guide block in the guide way, and guide spring passes through the bolt fastening between guide way inner wall and the guide block, has same connecting rod through the bolt fastening between guide block and the cam.

Preferably, rubber pads are bonded to two sides of the bottom of the front end of the cabinet body.

The utility model has the beneficial effects that:

1. when a guest forgets to close the door after leaving, the infrared sensor transmits a signal to the controller after detecting the corresponding signal, the controller processes the signal and sends an instruction to the electromagnet, the electromagnet is opened, and the cabinet door is pushed to rotate by magnetic repulsion force between the electromagnet and the permanent magnet, so that the automatic door closing action can be realized.

2. When the guest opens the cabinet door, permanent magnet and the electro-magnet contact on the cabinet door make then interior pole remove to the embedded groove, extrude first spring to slow down the cabinet door, protect the cabinet door.

3. After the action of automatically closing the door was implemented, the cam can collide with the rubber pad, and the cam takes place to rotate round the pillar, then drives the connecting rod in step and follows the guide block together, slides along the guide way, extrudees guide spring to the anticollision of slowing down to the cabinet door.

Drawings

Fig. 1 is a schematic view of an overall structure of a refrigerator with an automatic door closing function according to the present invention;

fig. 2 is a schematic view of a bottom structure of a fixing block of an automatic door closing refrigerator according to the present invention;

fig. 3 is a schematic view of an internal structure of a loop bar of an automatic door-closing freezer according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a freezer with an automatic door closing function according to the present invention.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a permanent magnet; 4. a loop bar; 5. an inner rod; 6. an electromagnet; 7. a rectifier; 8. a controller; 9. a handle; 10. an infrared sensor; 11. a fixed block; 12. a pillar; 13. a ring groove; 14. a cam; 15. a guide groove; 16. a guide block; 17. a guide spring; 18. a connecting rod; 19. a rubber pad; 20. embedding the groove; 21. a first spring; 22. a limiting groove; 23. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1 and 3-4, a freezer that can close door automatically, including the cabinet body 1, cabinet body 1 front end both sides all articulate there is cabinet door 2, there is handle 9 cabinet door 2 outside through the bolt fastening, permanent magnet 3 has been bonded to the bottom in the cabinet door 2 outside, the bottom of the 1 front end of the cabinet body has loop bar 4 of two symmetric distributions through the bolt fastening, loop bar 4 inboard is provided with reduction gears, reduction gears is connected with interior pole 5, the inboard of interior pole 5 has electro-magnet 6 through the bolt fastening, electro-magnet 6 and permanent magnet 3 set up relatively, the outside of loop bar 4 has rectifier 7 through the bolt fastening, the top of the 1 front end of the cabinet body has controller 8 through the bolt fastening, controller 8 and rectifier 7 electric connection, rectifier 7 and electro-magnet 6 electric connection, be provided with detection mechanism on the cabinet body 1.

Further, detection mechanism includes infrared sensor 10, and infrared sensor 10 passes through the bolt fastening in the bottom of the cabinet body 1 front end, and infrared sensor 10 and controller 8 electric connection.

Further, the speed reducing mechanism comprises a first spring 21, an embedded groove 20 is formed in the inner side of the loop bar 4, the first spring 21 is fixed to the side wall of the embedded groove 20 through a bolt, and the other side of the first spring 21 and the inner rod 5 are fixed through a bolt.

Further, limiting grooves 22 have been all seted up to embedded groove 20 both ends inner wall, and sliding connection has stopper 23 in limiting groove 22, passes through the bolt fastening between stopper 23 and the interior pole 5.

The working principle is as follows: during the use, switch on external power supply with the device, when the guest forgot to close the door after leaving, infrared sensor 10 detects behind the corresponding signal, give controller 8 with the signal transmission, 8 behind the signal processing of controller and to 6 commands of electro-magnet, electro-magnet 6 opens, promote cabinet door 2 through the magnetic repulsion between 3 and the permanent magnet and rotate, can realize the automatic action of closing the door, it is further, when the guest opens cabinet door 2, permanent magnet 3 and 6 contacts of electro-magnet on the cabinet door 2, make then interior pole 5 remove to embedded groove 20, extrude first spring 21, thereby slow down cabinet door 2, protect cabinet door 2.

Example 2

Referring to fig. 1-2, a freezer capable of automatically closing a door, a fixing block 11 is fixed at the bottom of the outer side of a cabinet door 2 through bolts, a supporting column 12 is fixed at the bottom of the fixing block 11 through bolts, an annular groove 13 is formed in the outer wall of the supporting column 12, a cam 14 is sleeved at the annular groove 13, and the cam 14 is connected with an anti-collision mechanism.

Further, anticollision institution includes guide spring 17, and fixed block 11 bottom has seted up guide way 15, and guide way 15 cross-section sets to the arc, and sliding connection has guide block 16 in guide way 15, and guide spring 17 passes through the bolt fastening between guide way 15 inner wall and guide block 16, has same connecting rod 18 through the bolt fastening between guide block 16 and the cam 14.

Furthermore, rubber pads 19 are bonded on two sides of the bottom of the front end of the cabinet body 1.

The working principle is as follows: after the automatic door closing action is performed, the cam 14 collides with the rubber pad 19, the cam 14 rotates around the pillar 12, and then the connecting rod 18 is synchronously driven to slide along the guide groove 15 along with the guide block 16, so as to extrude the guide spring 17, thereby decelerating and preventing the cabinet door 2 from collision.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (7)

1. The refrigerator capable of automatically closing the door comprises a refrigerator body (1) and is characterized in that two sides of the front end of the refrigerator body (1) are hinged with a cabinet door (2), a handle (9) is fixedly connected to the outer side of the cabinet door (2), a permanent magnet (3) is bonded to the bottom of the outer side of the cabinet door (2), two symmetrically distributed loop bars (4) are fixedly connected to the bottom of the front end of the refrigerator body (1), a speed reducing mechanism is arranged on the inner side of each loop bar (4), an inner rod (5) is connected to the speed reducing mechanism, an electromagnet (6) is fixedly connected to the inner side of each inner rod (5), the electromagnet (6) and the permanent magnet (3) are arranged oppositely, a rectifier (7) is fixedly connected to the outer side of each loop bar (4), a controller (8) is fixedly connected to the top of the front end of the refrigerator body (1), the controller (8) is electrically connected with the rectifier (7), and the rectifier (7) is electrically connected with the electromagnet (6), the cabinet body (1) is provided with a detection mechanism.

2. The refrigerator with the automatic door closing function of claim 1, wherein the detection mechanism comprises an infrared sensor (10), the infrared sensor (10) is fixedly connected to the bottom of the front end of the cabinet body (1), and the infrared sensor (10) is electrically connected with the controller (8).

3. The refrigerator with the automatic door closing function according to claim 1, wherein the decelerating mechanism comprises a first spring (21), an embedded groove (20) is formed in the inner side of the loop bar (4), the first spring (21) is fixedly connected to the side wall of the embedded groove (20), and the other side of the first spring (21) is fixedly connected with the inner bar (5).

4. A refrigerator with an automatic door closing function as claimed in claim 3, wherein the inner walls of the two ends of the insertion groove (20) are provided with limit grooves (22), the limit grooves (22) are slidably connected with limit blocks (23), and the limit blocks (23) are fixedly connected with the inner rod (5).

5. The refrigerator with the automatic door closing function according to claim 1, wherein a fixing block (11) is fixedly connected to the bottom of the outer side of the cabinet door (2), a supporting column (12) is fixedly connected to the bottom of the fixing block (11), a circular groove (13) is formed in the outer wall of the supporting column (12), a cam (14) is sleeved at the circular groove (13), and the cam (14) is connected with an anti-collision mechanism.

6. A refrigerator with an automatic door closing function as claimed in claim 5, characterized in that said anti-collision mechanism comprises a guide spring (17), a guide slot (15) is provided at the bottom of the fixing block (11), the cross section of the guide slot (15) is set to be arc-shaped, a guide block (16) is slidably connected in the guide slot (15), the guide spring (17) is fixedly connected between the inner wall of the guide slot (15) and the guide block (16), and the guide block (16) and the cam (14) are fixedly connected with a same connecting rod (18).

7. A refrigerator with an automatically closable door as claimed in claim 6, characterized in that rubber pads (19) are bonded to both sides of the bottom of the front end of the cabinet body (1).

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