CN217176209U - Automatic switch door hinge and be equipped with freezer of this hinge - Google Patents
Automatic switch door hinge and be equipped with freezer of this hinge Download PDFInfo
- Publication number
- CN217176209U CN217176209U CN202121105103.6U CN202121105103U CN217176209U CN 217176209 U CN217176209 U CN 217176209U CN 202121105103 U CN202121105103 U CN 202121105103U CN 217176209 U CN217176209 U CN 217176209U
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- push rod
- door
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Abstract
The utility model belongs to the technical field of automatic door opening and closing, and relates to an automatic door opening and closing hinge and a refrigerator with the same, wherein the bottom of a hinge head through hole is provided with a rotating shaft, and the bottoms of turnups at two sides of a hinge seat are provided with push rod fixing shafts; the push rod comprises a driving mechanism, a gear transmission mechanism, a screw transmission mechanism, an inner rod of the push rod and a control unit; a motor shaft of the driving mechanism is connected with a driving gear of the gear transmission mechanism, a tail end gear of the gear transmission mechanism is connected with a screw rod of the screw transmission mechanism, and the screw rod is connected with an inner rod of the ejector rod through internal threads to realize spiral transmission; resistance devices are arranged in the gear transmission mechanism and the screw transmission mechanism, and the control unit is connected with and controls the driving mechanism; the fixing hole at the bottom of the push rod is fixed on the push rod fixing shaft, the fixing hole at the top of the push rod is fixed on the hinge shaft, and the top of the inner rod of the push rod is hinged with the rotating shaft.
Description
Technical Field
The utility model belongs to the technical field of automatic switch door, a automatic switch door hinge and be equipped with freezer of this hinge is related to.
Background
In the prior art, the top door opening equipment mostly adopts a spring hinge, a damping hinge and the like to connect the box body and the top door, and the horizontal freezer is also the same, wherein handles are arranged at the front part or two sides of the top door, and the top door is opened manually. If both hands hold a lot of things or both hands operate other things simultaneously, must put down the thing in the hand and vacate the hand, open the overhead door again, then pick up the thing again and put into the incasement, it is very inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic switch hinge and be equipped with freezer of this hinge to among the solution prior art, the inconvenient problem of top equipment opening the door.
In order to achieve the above object, the utility model discloses a technical solution is:
an automatic door opening and closing hinge comprises an opening and closing door hinge, wherein the opening and closing door hinge comprises a hinge head, a hinge seat and a hinge shaft; the hinge head and the hinge seat are respectively provided with two side flanges along the length direction, the two side flanges of the hinge head and the hinge seat are respectively provided with a through hole with two opposite sides, and the hinge head and the hinge seat are hinged through a hinge shaft penetrating through the through holes;
the automatic door opening and closing hinge also comprises a push rod, the bottom of the through hole of the hinge head is provided with a rotating shaft, and the bottoms of the flanges at two sides of the hinge seat are provided with push rod fixing shafts;
the push rod comprises a driving mechanism, a gear transmission mechanism, a screw transmission mechanism, an inner rod of the ejector rod and a control unit; a motor shaft of the driving mechanism is connected with a driving gear of the gear transmission mechanism, a tail end gear of the gear transmission mechanism is connected with a screw rod of the screw transmission mechanism, and the screw rod is connected with an inner rod of the ejector rod through internal threads to realize spiral transmission; resistance devices are arranged inside the gear transmission mechanism and the screw transmission mechanism, and the control unit is connected with and controls the driving mechanism;
the fixing hole at the bottom of the push rod is fixed on the push rod fixing shaft, the fixing hole at the top of the push rod is fixed on the hinge shaft, and the top of the inner rod of the push rod is hinged with the rotating shaft.
Preferably, the hinge head through hole is formed in the bottom of the hinge head, the hinge seat through hole is formed in the top of the hinge seat, and the hinge shaft sequentially penetrates through the hinge seat through hole, the hinge head through hole, the push rod top fixing hole, the hinge head through hole and the hinge seat through hole.
Preferably, the driving mechanism is a motor, and a housing is arranged outside the driving mechanism.
Preferably, in the gear transmission mechanism, the driving gear is meshed with the driven gear, the driven gear is meshed with the secondary transmission gear, and the secondary transmission gear is meshed with the tail end gear;
preferably, all the gears of the gear transmission mechanism are fixed in a gear box at the bottom of the push rod through bearings.
Preferably, the mandril inner rod and the driving mechanism are arranged at the top of the gear box in parallel.
Preferably, the outer periphery of the inner mandril rod is provided with an outer mandril rod which plays a role in fixing and guiding, and when the driving mechanism works, the inner mandril rod moves along the vertical direction.
Preferably, a protection switch for protecting the motor is arranged inside the ejector rod outer rod;
the protection switch is a combined travel switch, and the arrangement travel of the protection switch is smaller than the movable travel of the hinge head.
Preferably, the control unit is connected with the sensing device and the resistance device.
The automatic opening and closing door refrigerator comprises a refrigerator body, a top door and a spring hinge, wherein the spring hinge comprises an opening and closing door hinge and a spring and also comprises an automatic opening and closing door hinge;
the spring hinge and the automatic door opening and closing hinge are arranged in parallel, hinge heads of the spring hinge and the automatic door opening and closing hinge are fixed on the rear side of the top door, hinge seats of the spring hinge and the automatic door opening and closing hinge are fixed on the top of the rear side of the cabinet body, and the hinge shaft is flush with a gap between the top door and the cabinet body;
when the top door is closed, the hinge head and the hinge seat are positioned on the same vertical line.
Compared with the prior art, the utility model is automatically opened, intelligent and convenient; when the driving mechanism opens the top door to a certain angle, the driving mechanism can not output power any more, the transmission mechanism can support the top door, the top door is prevented from being closed again under the gravity of the top door, and the supporting function is achieved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the automatic opening and closing door refrigerator of the present invention;
FIG. 2 is an enlarged view of the automatic opening and closing door hinge of FIG. 1;
FIG. 3 is a disassembled view of the automatic opening and closing door hinge of FIG. 2;
FIG. 4 is a schematic view of the push rod of FIG. 3;
FIG. 5 is a disassembled schematic view of FIG. 4;
FIG. 6 is a schematic view of a gear assembly;
the reference numerals include: 100-top door, 110-automatic opening and closing door hinge, 120-cabinet body, 1110-push rod, 1101-hinge head, 1102-hinge seat, 1103-hinge shaft, 1104-rotating shaft, 1105-push rod fixing shaft, 1111-shell, 1112-ejector rod inner rod, 1113-driving mechanism, 1114-ejector rod outer rod, 1115-protection switch, 1116-driving gear, 1117-driven gear, 1118-secondary transmission gear and 1119-tail end gear.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
an automatic door opening and closing hinge 110 comprises an opening and closing door hinge, wherein the opening and closing door hinge comprises a hinge head 1101, a hinge seat 1102 and a hinge shaft 1103; the hinge head 1101 and the hinge seat 1102 are both provided with two side flanges along the length direction, the two side flanges of the hinge head 1101 and the hinge seat 1102 are both provided with through holes with two opposite sides, and the hinge head 1101 and the hinge seat 1102 are hinged through a hinge shaft 1103 penetrating through the through holes;
the automatic opening and closing door hinge 110 further comprises a push rod 1110, the bottom of the through hole of the hinge head 1101 is provided with a rotation 1104, and the bottoms of the flanges at two sides of the hinge seat 1102 are provided with push rod fixing shafts 1105;
the push rod 1110 comprises a driving mechanism 1113, a gear transmission mechanism, a screw transmission mechanism, a mandril inner rod 1112 and a control unit; a motor shaft of the driving mechanism 1113 is connected with a driving gear 1116 of a gear transmission mechanism, a tail end gear 1119 of the gear transmission mechanism is connected with a screw rod of a screw rod transmission mechanism, and the screw rod is connected with an ejector rod inner rod 1112 through internal threads to realize screw transmission; resistance devices are arranged inside the gear transmission mechanism and the screw transmission mechanism, and the control unit is connected with the control driving mechanism 1113;
the fixing hole at the bottom of the push rod 1110 is fixed on the push rod fixing shaft 1105, the fixing hole at the top of the push rod 1110 is fixed on the hinge shaft 1103, and the top of the push rod inner rod 1112 is hinged with the rotation 1104.
The hinge head 1101 through hole is formed in the bottom of the hinge head 1101, the hinge seat 1102 through hole is formed in the top of the hinge seat 1102, and the hinge shaft 1103 sequentially penetrates through the hinge seat 1102 through hole, the hinge head 1101 through hole, a push rod 1110 top fixing hole, the hinge head 1101 through hole and the hinge seat 1102 through hole.
The driving mechanism 1113 is a motor, and a shell 1111 is arranged outside the driving mechanism 1113.
In the gear transmission mechanism, a driving gear 1116 is meshed with a driven gear 1117, the driven gear 1117 is meshed with a secondary transmission gear 1118, and the secondary transmission gear 1118 is meshed with a tail end gear 1119;
all gears of the gear transmission mechanism are fixed in a gear box at the bottom of the push rod 1110 through bearings.
The mandril inner rod 1112 and the driving mechanism 1113 are arranged at the top of the gear box in parallel.
An ejector rod outer rod 1114 for fixing and guiding is arranged on the periphery of the ejector rod inner rod 1112, and when the driving mechanism 1113 works, the ejector rod inner rod 1112 moves along the vertical direction.
The inside of the ejector rod outer rod 1114 is provided with a protection switch 1115 for protecting the motor, the protection switch 1115 is used for protecting the motor and preventing the motor from being damaged due to locked rotor, the protection switch 1115 is a combined travel switch, and the arrangement travel of the protection switch 1115 is smaller than the movable travel of the hinge head 1101.
The control unit is connected with the sensing device and the resistance device, the sensing device is used for detecting a door opening trigger signal and generating a corresponding control signal to control the driving mechanism 1113 to rotate, the sensing device can be located at any convenient position such as a top door and a box body, and the sensing device can be any one or multiple combinations of sensors such as a key switch, a touch switch, a sound sensor and an infrared sensor.
An automatic opening and closing door freezer uses an automatic opening and closing door hinge 110, which comprises a freezer body 120, a top door 100 and a spring hinge, wherein the spring hinge comprises an opening and closing door hinge and a spring, and the automatic opening and closing door hinge 110 is also included;
the spring hinge and the automatic opening and closing door hinge 110 are arranged in parallel, hinge heads 1101 of the spring hinge and the automatic opening and closing door hinge 110 are fixed on the rear side of the top door 100, hinge seats 1102 of the spring hinge and the automatic opening and closing door hinge 110 are fixed on the top of the rear side of the cabinet body 120, and a hinge shaft 1103 is flush with a gap between the top door 100 and the cabinet body 120;
when the top door 100 is closed, the hinge head 1101 and the hinge base 1102 are on the same vertical line.
For convenient understanding the utility model discloses, introduce below the utility model discloses a theory of operation and flow: the driving mechanism 1113 is started after receiving the signal of the sensing device through the control system, the motor rotates to drive the main shaft and the main gear to rotate, and the motor rotates through the gear transmission mechanism and the screw transmission mechanism to decelerate and increase the lifting force. The top rod inner rod 1112 rises and drives the hinge head 1101 to swing through rotation 1104, so that the top door 100 is opened. On the contrary, when the signal of the control system sensing device is received again, the motor rotates reversely to drive the top door 100 to close, thereby realizing the automatic opening and closing of the top door 100. Resistance exists in the transmission system, so that the hinge has a supporting function at the same time, and the top door 100 can play a supporting role when being opened in place. When power is cut off or the automatic door opening function is not used in the using process, the top door 100 is matched with the spring hinge to play a power assisting role and used with a normal refrigerator. The automatic door opening device has the advantages that two manual or automatic selection modes are provided for a user, two conditions are considered, and the increase of power consumption caused by automatic door opening is reduced.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. An automatic door opening and closing hinge comprises an opening and closing door hinge, wherein the opening and closing door hinge comprises a hinge head, a hinge seat and a hinge shaft; the hinge head and the hinge seat are respectively provided with two side flanges along the length direction, the two side flanges of the hinge head and the hinge seat are respectively provided with a through hole with two opposite sides, and the hinge head and the hinge seat are hinged through a hinge shaft penetrating through the through holes;
the automatic door opening and closing hinge is characterized by further comprising a push rod, a rotating shaft is arranged at the bottom of the through hole of the hinge head, and push rod fixing shafts are arranged at the bottoms of flanges on two sides of the hinge seat;
the transmission output part of the push rod is hinged with the rotating shaft, and a resistance device is arranged in the push rod.
2. The automatic switch door hinge according to claim 1, wherein the transmission output part of the push rod is an ejector rod inner rod, and the push rod comprises a driving mechanism, a gear transmission mechanism, a screw transmission mechanism, an ejector rod inner rod and a control unit; a motor shaft of the driving mechanism is connected with a driving gear of the gear transmission mechanism, a tail end gear of the gear transmission mechanism is connected with a screw rod of the screw transmission mechanism, and the screw rod is connected with an inner rod of the ejector rod through internal threads to realize spiral transmission; resistance devices are arranged inside the gear transmission mechanism and the screw transmission mechanism, and the control unit is connected with and controls the driving mechanism;
the fixing hole at the bottom of the push rod is fixed on the push rod fixing shaft, the fixing hole at the top of the push rod is fixed on the hinge shaft, and the top of the inner rod of the push rod is hinged with the rotating shaft.
3. The automatic opening and closing door hinge according to claim 1, wherein the hinge head through hole is formed at the bottom of the hinge head, the hinge base through hole is formed at the top of the hinge base, and the hinge shaft sequentially passes through the hinge base through hole, the hinge head through hole, the push rod top fixing hole, the hinge head through hole and the hinge base through hole.
4. The automatic opening and closing door hinge according to claim 2, wherein the driving mechanism is a motor, and a housing is provided outside the driving mechanism.
5. The automatic opening and closing door hinge according to claim 2, wherein in the gear transmission mechanism, the driving gear is meshed with the driven gear, the driven gear is meshed with the secondary transmission gear, and the secondary transmission gear is meshed with the tail end gear;
all gears of the gear transmission mechanism are fixed in a gear box at the bottom of the push rod through bearings.
6. The automatic opening and closing door hinge according to claim 2, wherein the lifter inner rod and the driving mechanism are arranged in parallel at the top of the gear box.
7. The automatic switch door hinge according to claim 2, wherein the outer rod of the ejector rod is arranged at the periphery of the inner rod of the ejector rod and has fixing and guiding functions;
when the driving mechanism works, the inner rod of the mandril moves along the vertical direction.
8. The automatic switch door hinge according to claim 7, wherein a protection switch for protecting the motor is arranged inside the ejector rod outer rod;
the protection switch is a combined travel switch, and the arrangement travel of the protection switch is smaller than the movable travel of the hinge head.
9. An automatic opening and closing door hinge according to claim 2, characterized in that the control unit is connected to the sensing means and the resistance means.
10. An automatic opening and closing door refrigerator, which uses the automatic opening and closing door hinge of any one of claims 1 to 9, and comprises a refrigerator body, a top door and a spring hinge, wherein the spring hinge comprises an opening and closing door hinge and a spring, and is characterized by further comprising the automatic opening and closing door hinge;
the spring hinge and the automatic door opening and closing hinge are arranged in parallel, hinge heads of the spring hinge and the automatic door opening and closing hinge are fixed on the rear side of the top door, hinge seats of the spring hinge and the automatic door opening and closing hinge are fixed on the top of the rear side of the cabinet body, and the hinge shaft is flush with a gap between the top door and the cabinet body;
when the top door is closed, the hinge head and the hinge seat are positioned on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121105103.6U CN217176209U (en) | 2021-05-20 | 2021-05-20 | Automatic switch door hinge and be equipped with freezer of this hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121105103.6U CN217176209U (en) | 2021-05-20 | 2021-05-20 | Automatic switch door hinge and be equipped with freezer of this hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176209U true CN217176209U (en) | 2022-08-12 |
Family
ID=82706288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121105103.6U Active CN217176209U (en) | 2021-05-20 | 2021-05-20 | Automatic switch door hinge and be equipped with freezer of this hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176209U (en) |
-
2021
- 2021-05-20 CN CN202121105103.6U patent/CN217176209U/en active Active
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