TWM607772U - Automatic door structure of refrigerated and frozen exhibition cabinet - Google Patents

Abstract

An automatic door structure for a refrigerated and freezer display cabinet. The refrigerated and freezer display cabinet has a cabinet body, a plurality of cabinet doors arranged on the front side of the cabinet body, and a cabinet that is arranged above the cabinet body and can drive the cabinet door to automatically open and close Drive unit; the cabinet door is arranged on the cabinet body with an upper and lower pivot axis, the cabinet door has a frame, the drive unit has at least a driving rod and a detection sensor, and the driving rod is provided with a plurality of magnetic blocks , The driving lever is magnetically attracted to the frame of the cabinet door by the magnetic block, and the cabinet door is opened and closed by the drive unit in a unilateral pivoting manner; thereby, the cabinet The door can be automatically opened or closed to improve the convenience of consumers.

Description

Automatic door structure of refrigerated and frozen display cabinet

This creation is related to an automatic door structure of a refrigerated and freezer display cabinet, especially an automatic door structure of a refrigerated and freezer display cabinet that allows the door to be automatically opened or closed, thereby improving the convenience of consumers.

Press, the store will provide refrigerated and frozen goods with low temperature storage and better display effect, and the store will generally set up refrigerated and frozen display cabinets.

As shown in Figure 1, the refrigerated and frozen display cabinet 1 has at least one cabinet body 11, and a plurality of transparent and openable cabinet doors 12 mounted on the cabinet body 11, and a handle 121 is provided on the cabinet door 12; The cabinet body 11 has a certain accommodating space, whereby the cabinet body 1 can be used for storing goods that require low temperature, and the cabinet body 11 is provided with a low temperature supply machine (freezer) to provide low temperature (not shown in the figure); The cabinet door 12 is installed on the front of the cabinet 11 to allow consumers to observe the goods in the cabinet 11. After the consumer selects the goods to be purchased, he can hold the handle 121 to pull the cabinet door open to take the goods in the cabinet 11, and the cabinet door 12 is closed and closed by its own weight. The way in which the consumer pulls open the cabinet door 12 of a certain weight to pick up the goods is obviously not convenient for children or consumers with less power.

Therefore, how to provide an automatic door structure for refrigerated and frozen display cabinets so as to prevent consumers from having to open the cabinet door to pick up the goods, so as to improve the convenience of consumers for picking up the goods. It has become an urgent problem for the refrigerator and freezer industry to solve.

The main purpose of this creation is to overcome the inconvenience that the doors of the conventional refrigerated and frozen display cabinets need to be opened by consumers.

The main technical means of this creation is to provide an automatic door structure for a refrigerated and freezer display cabinet. The refrigerated and freezer display cabinet has a cabinet body, a plurality of cabinet doors arranged on the front side of the cabinet body, and is arranged above the cabinet body and can be driven. The cabinet door automatically opens and closes a drive unit; the cabinet door is arranged on the cabinet body with an upper and lower pivot axis, the cabinet door has a frame, the drive unit has at least a driving lever and a detection sensor, the driving rotation The rod is provided with a plurality of magnetic blocks, the driving rotating rod is magnetically attracted to the frame of the cabinet door by the magnetic blocks, and the cabinet door is opened and closed by the driving unit in a unilateral pivoting manner. action.

The effect that this creation can achieve by the above-mentioned main technical means is to enable the cabinet door to be automatically opened or closed, thereby improving the convenience of consumers for fetching objects.

1: refrigerated freezer display cabinet

11: Cabinet

12: cabinet door

121: handle

13: Goods

2: refrigerated and frozen display cabinet

3: cabinet

4: cabinet door

41: pivot

42: Frame

5: Drive unit

51: Pedestal

52: power motor

521: PTO shaft

522: drive screw

53: Detection sensor

54: positioning seat

541: Piercing

55: drive block

56: Drive shaft seat

561: drive shaft

562: drive wheel

563: drive belt

564: link

5641: limit sensor rod

565: Tensioner

57: limit sensor

58: Drive the rotating rod

581: Magnetic Block

[Figure 1] is a schematic diagram of a conventional refrigerated and frozen display cabinet.

[Figure 2] is a schematic diagram of this creative refrigerated and frozen display cabinet.

[Figure 3] is a three-dimensional view of the authoring drive unit.

[Figure 4] is a schematic diagram of the action of the authoring drive unit.

[Figure 5] is a top view of the creative drive unit.

[Figure 6] is a cross-sectional view of the driving lever and the cabinet door of the creative drive unit.

[Figure 7] is a top view of the driving lever and cabinet door of the creative drive unit.

[Figure 8] is a schematic diagram of the creative cabinet being blocked when the door is closed.

[Figure 9] is a schematic diagram of the creative cabinet door being blocked when the door is closed, and the driving unit drives the rotating rod to return.

Please refer to Figures 2 and 3, the automatic door structure of the refrigerated and refrigerated display cabinet of the present creation. The refrigerated and refrigerated display cabinet 2 has a cabinet body 3, a plurality of cabinet doors 4 arranged on the front side of the cabinet body 3, and A driving unit 5 capable of driving the cabinet door 4 to automatically open is above the cabinet body 3.

As shown in Figure 2, the cabinet 3 has a certain accommodating space, whereby the cabinet 3 can be used for storing goods that require low temperature, and the cabinet 3 is equipped with a low temperature supply mechanism (freezer) to provide low temperature (in the figure) Not shown).

As shown in Figures 2 and 7, the cabinet door 4 is pivoted on the front of the cabinet 3 on one side, and the cabinet door 4 is pivoted on the cabinet 3 with an upper and lower pivot 41, which can be single-sided. The way of pivoting is driven by the drive unit 5 to open and close at a slightly ninety degree angle; the cabinet door 4 is made of multi-layer glass with a metal frame 42 embedded around or up and down, which can be used by consumers Observe the goods in the cabinet 3.

As shown in Figures 3, 4, and 5, the drive unit 5 has a base 51 which is a plate body; the base 51 is provided with a power motor 52 which is electrically connected to the outside The power source is used to obtain the power required for operation. The power motor 52 is simultaneously electrically connected with information to a detection sensor 53 provided on the base 51 and located outside the base 51, the detection sensor 53 The power motor 52 can be actuated by induction by infrared rays, electromagnetic waves or magnetism; the power output shaft 521 of the power motor 52 is connected to a transmission screw 522 which penetrates through a positioning provided on the base 51 The seat 54 furthermore, the positioning seat 54 is provided with a through hole 541 with an internal thread for the transmission screw 522 Through this, when the transmission rod 522 is driven to rotate by the power motor 52, there is no deviation; the front end of the transmission screw 522 is connected with a driving block 55.

As shown in Figures 3, 4, 5, and 6, the base 51 is provided with a plurality of drive shaft seats 56. This creation is implemented by setting four drive shaft seats 56. The centers of the plurality of drive shaft seats 56 are all There is a drive shaft 561 penetrating the base 51; the plurality of drive shaft seats 56 are arranged in a pair of two, more specifically, two lower heights form a pair and two higher heights Each is arranged in a pair of left and right. This creation is based on two pairs of drive shaft seats 56; the upper end of the drive shaft 561 is provided with a drive wheel 562, and the drive wheel 562 of the drive shaft seat 56 is set in a pair. A drive belt 563 is provided. One end of the drive belt 563 is connected to a connecting piece 564, and the other end of the connecting piece 564 is connected to the driving block 55, whereby when the power motor 52 drives the transmission screw 522 to rotate in a circle, the transmission The screw 522 and the driving block 55 can drive the driving block 55 to make a reciprocating linear movement. The driving block 55 can thereby enable the driving belt 563 to drive the driving wheel 562 to rotate, because the driving shaft 561 is fastened or locked on the driving wheel 562 Therefore, the drive wheel 562 can drive the drive shaft 561 to rotate; at least two of the plurality of drive shaft seats 56 are provided with a tension wheel 565 on one side of the drive shaft seat 56. The driving belt 563 is tightened to ensure that the driving belt 563 can drive the driving wheel 562.

As shown in Figures 3, 4, and 5, this creation is implemented with two of the connecting pieces 564, one of the connecting pieces 564 is provided with a limit sensing rod 5641, and the base 51 is arranged corresponding to the limit sensing rod 5641 The limit sensor 57 is implemented by a magnetic sensor such as a Hall sensor. The limit sensor 57 is electrically connected with the information to the power motor 52, thereby when the The link 564 is reciprocated linearly by the power motor 52 When the limit sensor rod 5641 and the limit sensor 57 are used to sense the moving position of the connecting member 564, when the connecting member 564 moves to a preset position, the limit sensor 57 and can stop the power motor 52 from rotating.

As shown in Figures 3, 4, 5, 6, and 7, each of the plurality of drive shaft seats 56 is connected to the lower end of the drive shaft 561 with a driving rod 58 which is perpendicular to the driving shaft 561 Connected, the driving rod 58 is provided with a plurality of magnetic blocks 581 with a certain magnetic attraction force, and each driving rod 58 magnetically attracts a piece of the upper metal frame 41 of the cabinet door 4; thereby acting as the driving shaft When the drive shaft 561 of the seat 56 is driven to rotate by the power motor 52 in the above-mentioned manner, the drive shaft 561 drives the driving rod 58 connected at the lower end to rotate at an angle of approximately ninety degrees, so that it can be driven by the drive shaft 561. A piece of the cabinet door 4 that is magnetically attracted by the rotating rod 58 is pivoted on one side at a synchronous ninety degree angle, so that the cabinet door 4 can be automatically opened or closed without the use of manpower.

As shown in Figures 2, 3, 4, 7, 8, and 9, the implementation of this creation, when a consumer stands in front of the cabinet 3, the view through the transparent glass of the cabinet door 4 is regarded as inside the cabinet 3 For the displayed product, if the consumer chooses the product to be purchased, he can get closer or wave his hand, and the detection sensor 53 of the drive unit 5 can sense the message and start the power motor 52. When the motor 52 drives the transmission screw 522 to rotate in a circle, the transmission screw 522 synchronously drives the driving block 55 and the connecting member 564 to move forward linearly, and the driving block 55 enables the driving belt 563 to drive the driving wheel. 562 rotates, the drive shaft 561 can drive the driving rod 58 connected at the lower end to rotate at an angle of approximately ninety degrees, so that a piece of the cabinet door 4 magnetically attracted by the driving rod 58 can be synchronized 90 degrees. One-sided pivoting with the pivot 41 as the center of rotation is performed at a degree angle, and at the same time, the limit sensing rod 5641 is connected by the connecting rod. The knot 564 is driven to the limit sensor of the limit sensor 57, that is, when the connecting member 564 moves to a preset position, the limit sensor 57 can stop the power motor 52, which is The cabinet door 4 automatically assumes the open position after opening.

As shown in Figures 2, 3, 4, 7, 8, and 9, following the above, when consumers take the purchased goods, they leave the sensing range of the detection sensor 53 before leaving the cabinet 3 , The detection sensor 53 sends out the message again and activates the power motor 52 to make the power motor 52 rotate in the reverse direction. When the power motor 52 drives the transmission screw 522 to rotate in a circle, the transmission screw 522 is synchronously driven The driving block 55 and the connecting member 564 move backward linearly. The driving block 55 can make the driving belt 563 drive the driving wheel 562 to rotate, and the driving shaft 561 can drive the driving rod 58 connected at the lower end to work. Rotation at a slightly reverse 90-degree angle, so that a piece of the cabinet door 4 magnetically attracted by the driving lever 58 can be synchronized at a reverse ninety-degree angle with the pivot 41 as the center of rotation as a single side At the same time, the limit sensing rod 5641 is driven by the connecting member 564 to another limit sensing position of the limit sensor 57, that is, when the connecting member 564 moves to another preset position, the The limit sensor 57 can stop the power motor 52 from rotating, which is the closed position where the cabinet door 4 is automatically closed.

As shown in Figures 8 and 9, it should be mentioned that when the cabinet door 4 is automatically closed by the drive unit 5, if the cabinet door 4 is blocked by commodities or other items in the cabinet 3, When the cabinet door 4 cannot be closed by the drive unit 5, as long as the blocking force is greater than the magnetic attraction force of the driving rotating rod 58 to magnetically attract the cabinet door 4, the cabinet door 58 will be separated from the driving rod 58, and the driving The unit 5 continues to operate until it stops, so as to avoid damage to the cabinet door 4 or the drive unit 5. At this time, the drive unit 5 or the cabinet door 4 can be used to issue a warning signal to communicate. Tell the clerk to remove the obstruction.

The main effect of this creation is that the refrigerated and frozen display cabinet 2 has a cabinet body 3, a plurality of cabinet doors 4 arranged on the front side of the cabinet body 3, and is arranged above the cabinet body 3 and can drive the cabinet door 4 automatically. The drive unit 5 for opening and closing; the cabinet door 4 is mounted on the cabinet body 3 with an upper and lower pivot 41, the cabinet door 4 has a frame 41, and the drive unit 5 has at least a driving lever 58 and a detection sensor 53. The driving rod 58 is provided with a plurality of magnetic blocks 581. The driving rod 58 is magnetically attracted to the frame 41 of the cabinet door 4 by the magnetic blocks 581, and the cabinet door 4 is pivoted on one side. The driving unit 5 drives the opening and closing actions in a manner that the cabinet door 4 can be automatically opened or closed, so as to improve the convenience of consumers.

In summary, with the above-mentioned structure, this creation can improve the lack of conventional knowledge and achieve the desired purpose. It has indeed improved the efficacy compared with the conventional users, and it has shown that it has the requirements of novelty, practicality and progress. It is proposed by law. For the application of a new model, I would like to ask your examiner for a detailed review, and I would like to grant the approval of the patent, which is very convenient.

4: cabinet door

41: pivot

42: Frame

5: Drive unit

51: Pedestal

52: power motor

521: PTO shaft

522: drive screw

53: Detection sensor

54: positioning seat

541: Piercing

55: drive block

56: Drive shaft seat

561: drive shaft

562: drive wheel

563: drive belt

564: link

5641: limit sensor rod

565: Tensioner

57: limit sensor

58: Drive the rotating rod

581: Magnetic Block

Claims (7)

An automatic door structure for a refrigerated and freezer display cabinet. The refrigerated and freezer display cabinet has a cabinet body, a plurality of cabinet doors arranged on the front side of the cabinet body, and a cabinet that is arranged above the cabinet body and can drive the cabinet door to automatically open and close Drive unit; the cabinet door is arranged on the cabinet body with an upper and lower pivot axis, the cabinet door has a frame, the drive unit has at least a driving rod and a detection sensor, and the driving rod is provided with a plurality of magnetic blocks The driving lever is magnetically attracted to the frame of the cabinet door by the magnetic block, and the cabinet door is opened and closed by the driving unit in a single-sided pivoting manner. The automatic door structure of a refrigerated and frozen display cabinet according to claim 1, wherein the driving unit has a base; the base is provided with a power motor, the power motor is electrically connected to an external power source, and the power motor is electrically connected at the same time A detection sensor is connected with the message, and the power output shaft of the power motor is connected with a transmission screw. The transmission screw passes through a positioning base provided on the base, and the positioning base is provided with a The perforation of the internal thread is used for the transmission screw to pass through; the front end of the transmission screw is connected with a driving block. The automatic door structure of the refrigerated and frozen display cabinet according to claim 1 or 2, wherein the base is provided with a plurality of drive shaft seats, and the center of the plurality of drive shaft seats is provided with a drive shaft penetrating the base; A drive wheel is provided on the outer side of the upper end of the drive shaft, a drive belt is sleeved between the drive wheel of the drive shaft seat and the drive wheel of the other drive shaft seat oppositely arranged, and one end of the drive belt is connected with a connecting piece , The other end of the connecting piece is connected with the driving block. According to claim 3, the automatic door structure of a refrigerated and frozen display cabinet, wherein at least two of the plurality of drive shaft seats are provided with a tension wheel on one side of the drive shaft seats. The automatic door structure of a refrigerated and frozen display cabinet according to claim 3, wherein each of the plurality of drive shaft seats is connected with a driving shaft at the lower end of the driving shaft, and the driving shaft is connected in a vertical manner with the driving shaft, A plurality of magnetic blocks with a certain magnetic attraction force are arranged on the driving rotating rod. According to claim 3, the automatic door structure of a refrigerated and frozen display cabinet, wherein the connecting piece is provided with a limit sensor rod, and the base is provided with a limit sensor corresponding to the limit sensor rod. The automatic door structure of a refrigerated and frozen display cabinet according to claim 6, wherein the limit sensor is a Hall sensor.

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