CN203908174U - Device for automatically closing refrigerator door - Google Patents

Device for automatically closing refrigerator door Download PDF

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Publication number
CN203908174U
CN203908174U CN201420220875.8U CN201420220875U CN203908174U CN 203908174 U CN203908174 U CN 203908174U CN 201420220875 U CN201420220875 U CN 201420220875U CN 203908174 U CN203908174 U CN 203908174U
Authority
CN
China
Prior art keywords
motor
circuit
refrigerator doors
refrigerator
door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420220875.8U
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Chinese (zh)
Inventor
祁辉宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Maritime Institute
Original Assignee
Jiangsu Maritime Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Maritime Institute filed Critical Jiangsu Maritime Institute
Priority to CN201420220875.8U priority Critical patent/CN203908174U/en
Application granted granted Critical
Publication of CN203908174U publication Critical patent/CN203908174U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a device for automatically closing a refrigerator door, and the device comprises an induction circuit and an inductive switch which can switch on or switch off the induction circuit. The induction circuit is connected with an electromagnetic relay which comprises a normally open contact which moves to the main body part of the normally open contact during power-on. The normally open contact is connected to a motor circuit, and controls the on/off of a motor power supply circuit. A motor is connected in the motor circuit, and cooperates with a rotating shaft of the refrigerator door in a transmission manner. The device does not need additional novel apparatus during production, and all the used parts are universal equipment and electrical elements, so the device is simple, practical, safe, and reliable. The main body part of the device is disposed at the top of a refrigerator not on the refrigerator door, does not increase the burden of the refrigerator door, solves a problem that the refrigerator door can fall and deform after long-time service, employs gear transmission, and is safe and reliable in performance.

Description

A kind of refrigerator doors door engine
Technical field
The utility model relates to the technical field of refrigerator, is specifically related to a kind of refrigerator doors door engine.
Background technology
Refrigerator is common household electrical appliance, and the chamber door closing device of the refrigerator on market is mainly, in refrigerator doors and refrigerator main body junction, axle and the bearing arrangement that can freely rotate is set now, and the part of refrigerator doors and refrigerator main body laminating arranges the magnetic sealing strip of sealing.During common refrigerator folding refrigerator doors, need user manually to close the door, if user has forgotten to close the door, refrigerator doors can be automatically closed, and not only expense electricity but also easily damage freezer compressor, causes the loss that is difficult to make up.
Application number 94212990.3 discloses a kind of refrigerator doors door engine; it comprise close the door halt switch with and the inductive switch controlled; free bearing is connected in refrigeratory body and refrigerator doors; between refrigeratory body and refrigerator doors, be connected with magnetic sealing strip; magnetic pole in the magnetic control hinge combining as a whole with refrigerator doors can be around electromagnetic pole center rotating; inductive switch is arranged in refrigerator, and the device of this utility model can leave after refrigerator certain distance people, can make refrigerator doors realize and automatically close.
Although how automatically this utility model has solved the technical problem of closing refrigerator door, but, the agent structure of this utility model is all arranged in refrigerator doors, be unfavorable on the one hand the production of enterprise, need specialized designs closing device, installation requirement is high simultaneously, has increased on the other hand the deadweight of door, and the time has been grown the tenesmus distortion that can add shutter.
Utility model content
The technical problem existing for prior art, the utility model provide a kind of simple and practical, safe and reliable, apparatus main body is arranged on refrigerator main body, do not increase a kind of refrigerator doors door engine that refrigerator doors is born a heavy burden.
In order to solve existing technical problem, the technical solution adopted in the utility model is:
A kind of refrigerator doors door engine, include the inductive switch of sensor circuit and energy break-make sensor circuit, wherein, in sensor circuit, be connected with electromagnetic relay, electromagnetic relay includes the movable contact switch moving to electromagnetic relay main part when energising, and movable contact switch accesses in motor circuit and controls the folding of motor circuit; In motor circuit, be connected with motor, motor coordinates with the transmission of refrigerator doors turning cylinder.
Further improvement as technique scheme:
Above-mentioned motor is fixed on the top of refrigerator main body.
Above-mentioned motor and refrigerator doors turning cylinder are in transmission connection by transmission device, and transmission device includes the first gear, the second gear, and the wheel shaft of the first gear is fixedly connected with the motor shaft of motor, and the wheel shaft of the second gear is fixedly connected with refrigerator doors turning cylinder; The first gear coordinates with the second engaged gears.
In above-mentioned sensor circuit, be connected with capacitor, capacitor also accesses the halt circuit of closing the door, and the halt circuit of closing the door includes the refrigerator door open-close arranging with Parallel-connected Capacitor, and refrigerator door open-close is closed when refrigerator doors is closed, when refrigerator doors is opened, disconnects.
In above-mentioned sensor circuit, be provided with relay drive circuit, relay drive circuit includes at least two pins.
Above-mentioned relay drive circuit includes five pins.
Between above-mentioned motor and the first gear, be provided with reduction box.
Compared with prior art, refrigerator doors door engine of the present utility model, inductive switch circuit is set, sensor circuit connects relay drive circuit, relay drive circuit provides exciting current to electromagnetic relay coil, in electromagnetic relay normally opened contact access motor circuit and control the break-make of motor power circuit, the running by motor realizes the transmission of refrigerator doors turning cylinder and automatic door-closing.Motor and refrigerator doors turning cylinder are in transmission connection by transmission device, and transmission device includes initiatively conical gear, driven bevel gear, reduction box, power transmission shaft etc.Machine shaft is connected with the power shaft of reduction box, and the output shaft of reduction box is connected with the rotating shaft of active conical gear, initiatively conical gear and driven bevel gear engagement, and driven bevel gear rotating shaft is fixedly connected with refrigerator doors turning cylinder.Motor is fixed on the top of refrigerator main body.Relay drive circuit adopts drive integrated circult ULN2003.
It is all general equipment and electrical equipment that the utility model does not need the new device of extra design, all parts of using when producing, simple, practical, safety, reliable.In addition, main part of the present utility model is all arranged on the top of refrigerator, is not placed in refrigerator doors, do not increase the heavy burden of refrigerator doors, alleviate the refrigerator doors time grown can tenesmus distortion problem, the utility model adopts gear drive can realize transmission, performance safety, reliable.
To sum up, the utlity model has simple and practical, safe and reliable, apparatus main body is arranged on refrigerator main body, do not increase the advantage that refrigerator doors is born a heavy burden.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model;
Fig. 2 is the structural representation that motor of the present utility model is connected with refrigerator doors turning cylinder by transmission device;
Fig. 3 is the top view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 3 shows that structural representation of the present utility model.
Reference numeral is wherein: sensor circuit 1, capacitor 11, relay drive circuit 12, inductive switch 2, electromagnetic relay 3, motor circuit 4, motor 5, moving together contact 6, refrigerator doors turning cylinder 7, transmission device 8, active conical gear 81, driven bevel gear 82, reduction box 83, the halt circuit 9 of closing the door, refrigerator door open-close 91.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, a kind of refrigerator doors door engine of the present utility model, include the inductive switch 2 of sensor circuit 1 and energy break-make sensor circuit 1, wherein, in sensor circuit 1, be connected with electromagnetic relay 3, electromagnetic relay 3 includes the moving together contact 6 moving to electromagnetic relay 3 main parts when energising, and moving together contact 6 accesses in motor circuits 4 and controls the folding of motor circuit 4; In motor circuit 4, be connected with motor 5, motor 5 coordinates with 7 transmissions of refrigerator doors turning cylinder.
In embodiment, motor 5 is fixed on the top of refrigerator main body.
In embodiment, motor 5 is in transmission connection by transmission device 8 with refrigerator doors turning cylinder 7, transmission device 8 includes initiatively conical gear 81, driven bevel gear 82, initiatively the wheel shaft of conical gear 81 is fixedly connected with the motor shaft of motor 5, and the wheel shaft of driven bevel gear 82 is fixedly connected with refrigerator doors turning cylinder 7; Initiatively conical gear 81 coordinates with driven bevel gear 82 interlocks.
In embodiment; in sensor circuit 1, be connected with capacitor 11, capacitor 11 also accesses the halt circuit 9 of closing the door, and the halt circuit 9 of closing the door includes the refrigerator door open-close 91 being arranged in parallel with capacitor 11; refrigerator door open-close 91 is closed when refrigerator doors is closed, when refrigerator doors is opened, disconnects.
In embodiment, be provided with relay drive circuit 12 in sensor circuit 1, relay drive circuit 12 includes at least two pins.
In embodiment, relay drive circuit 12 includes five pins.
In embodiment, between motor 5 and active conical gear 81, be provided with reduction box 83.
Refrigerator doors door engine of the present utility model comprises several different states, is respectively: refrigerator doors closure state, refrigerator doors are opened but had in front of the door people's state, refrigerator doors to open and no one's state in front of the door.Under these three kinds of states, each switch and capacitor 11 have different states.
During refrigerator doors closure state, refrigerator door open-close 91 closures, halt circuit 9 channel status of closing the door; electric current is not by capacitor 11; as shown in Figure 1, no-voltage on capacitor 11 now, inductive switch 2 senses that there is refrigerator doors in refrigerator the place ahead; in off-state; sensor circuit 1 opens circuit, and relay drive circuit 12 does not have electric current and voltage, and electromagnetic relay 3 does not have electricity; motor circuit 4 off-states, motor 5 does not operate.
When but refrigerator doors is opened the state that has in front of the door people; refrigerator door open-close 91 is opened, halt circuit 9 off states of closing the door, and electric charge is assembled at capacitor 11 biside plates; form voltage; inductive switch 2 senses that there is people in refrigerator the place ahead, and in off-state, sensor circuit 1 opens circuit; relay drive circuit 12 does not have electric current and voltage; electromagnetic relay 3 does not have electricity, motor circuit 4 off-states, and motor 5 does not operate.
When refrigerator doors is opened no one's in front of the door state; refrigerator door open-close 91 is opened; halt circuit 9 off states of closing the door; electric charge is assembled at capacitor 11 biside plates; form voltage; inductive switch 2 senses that refrigerator the place ahead is without object; in closure state, sensor circuit 1 path, relay drive circuit 12 has electric current and voltage; electromagnetic relay 3 chargings; attract moving together contact 6, cause motor circuit 4 channel status, motor 5 runnings; motor shaft drives refrigerator doors turning cylinder 7 to rotate by transmission device 8, and refrigerator doors starts closure.
It is all general equipment and electrical equipment that the utility model does not need the new device of extra design, all parts of using when producing, simple, practical, safety, reliable.In addition, main part of the present utility model is all arranged on the top of refrigerator, is not placed in refrigerator doors, do not increase the heavy burden of refrigerator doors, alleviate the refrigerator doors time grown can tenesmus distortion problem, the utility model adopts gear drive can realize transmission, performance safety, reliable.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, the some improvements and modifications not departing under the utility model principle prerequisite, should be considered as protection domain of the present utility model.

Claims (7)

1. a refrigerator doors door engine, include the inductive switch (2) of sensor circuit (1) and energy break-make sensor circuit (1), it is characterized in that: in described sensor circuit (1), be connected with electromagnetic relay (3), described electromagnetic relay (3) includes the moving together contact (6) moving to electromagnetic relay (3) main part when energising, and described moving together contact (6) accesses in motor circuit (4) and controls the folding of motor circuit (4); In described motor circuit (4), be connected with motor (5), described motor (5) coordinates with refrigerator doors turning cylinder (7) transmission.
2. a kind of refrigerator doors door engine according to claim 1, is characterized in that: described described motor (5) is fixed on the top of refrigerator main body.
3. a kind of refrigerator doors door engine according to claim 1, it is characterized in that: described motor (5) is in transmission connection by transmission device (8) with refrigerator doors turning cylinder (7), described transmission device (8) includes initiatively conical gear (81), driven bevel gear (82), the wheel shaft of described active conical gear (81) is fixedly connected with the motor shaft of motor (5), and the wheel shaft of described driven bevel gear (82) is fixedly connected with refrigerator doors turning cylinder (7); Described active conical gear (81) coordinates with driven bevel gear (82) interlock.
4. a kind of refrigerator doors door engine according to claim 1; it is characterized in that: in described sensor circuit (1), be connected with capacitor (11); described capacitor (11) also accesses the halt circuit (9) of closing the door; the described halt circuit of closing the door (9) includes the refrigerator door open-close (91) being arranged in parallel with capacitor (11); described refrigerator door open-close (91) is closed when refrigerator doors is closed, when refrigerator doors is opened, disconnects.
5. a kind of refrigerator doors door engine according to claim 1, is characterized in that: in described sensor circuit (1), be provided with relay drive circuit (12), described relay drive circuit (12) includes at least two pins.
6. a kind of refrigerator doors door engine according to claim 5, is characterized in that: described relay drive circuit (12) includes five pins.
7. a kind of refrigerator doors door engine according to claim 3, is characterized in that: between described motor (5) and active conical gear (81), be provided with reduction box (83).
CN201420220875.8U 2014-05-04 2014-05-04 Device for automatically closing refrigerator door Expired - Fee Related CN203908174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420220875.8U CN203908174U (en) 2014-05-04 2014-05-04 Device for automatically closing refrigerator door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420220875.8U CN203908174U (en) 2014-05-04 2014-05-04 Device for automatically closing refrigerator door

Publications (1)

Publication Number Publication Date
CN203908174U true CN203908174U (en) 2014-10-29

Family

ID=51782440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420220875.8U Expired - Fee Related CN203908174U (en) 2014-05-04 2014-05-04 Device for automatically closing refrigerator door

Country Status (1)

Country Link
CN (1) CN203908174U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953507A (en) * 2016-05-13 2016-09-21 刘博君 Automatic refrigerator door closing device
CN107461993A (en) * 2017-08-26 2017-12-12 上海曼斐电器贸易有限公司 A kind of refrigerator of automatic door-closing
CN110952873A (en) * 2019-12-18 2020-04-03 潘承燕 Refrigerator is with automatic door closing device based on capacitance variation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953507A (en) * 2016-05-13 2016-09-21 刘博君 Automatic refrigerator door closing device
CN105953507B (en) * 2016-05-13 2018-04-06 刘博君 The door engine of refrigerator
CN107461993A (en) * 2017-08-26 2017-12-12 上海曼斐电器贸易有限公司 A kind of refrigerator of automatic door-closing
CN110952873A (en) * 2019-12-18 2020-04-03 潘承燕 Refrigerator is with automatic door closing device based on capacitance variation
CN110952873B (en) * 2019-12-18 2021-08-27 宁夏迎福食品科技有限公司 Refrigerator is with automatic door closing device based on capacitance variation

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029

Termination date: 20200504

CF01 Termination of patent right due to non-payment of annual fee