CN203503052U - Coin refund mechanism for vending machines - Google Patents

Abstract

The utility model discloses an automatic mechanism of moving back coin of vending machine, it contains body, motor, drive unit, slip unit, base, first sensing unit and second sensing unit. Therefore, the utility model discloses an automatic vending machine's coin mechanism that moves back, it is rotatory to start this motor through this first sensing unit's sensing and drive this drive unit, it slides to make this drive unit drive this sliding unit simultaneously, in order to drive the coin mouth that goes out to this base by the coin that drops to this sliding unit's holding hole in this siphunculus and accomplish the coin movement and actuate, and through this demarcation portion of this second sensing unit sensing, and close this motor when initial position is got back to this sliding unit, in order to move back the coin next time and actuate, thereby reach the efficiency that reduces the sound and stably move back the coin.

Description

Coin refund mechanism for vending machines

technical field

The utility model relates to a coin return mechanism, in particular to a coin return mechanism of an automatic vending machine.

Background technique

Generally speaking, automatic vending machines include a coin return mechanism, and the existing coin return mechanism mainly includes a solenoid valve. When a user presses the coin return button or coin return lever of the vending machine, power is transmitted to the The solenoid valve starts to operate by starting the solenoid valve. When the solenoid valve is activated, it will generate a magnetic force to attract a metal part to move, and push the coin to a coin return port through the moving metal part, and then, through the control Interrupt the power of the solenoid valve, that is, make the magnetic force disappear, and then release the metal part to return the metal part to its original position, so that the next coin return action can be performed. The coin port retrieves the coin.

However, in the process of using the solenoid valve to achieve the coin return action, when the solenoid valve attracts and releases the metal part, the metal part will move rapidly, causing the metal part and other components around it to be separated. Friction and collision are likely to generate loud noises and make the coin return operation more unstable.

Therefore, how to create a coin return mechanism for an automatic vending machine to improve the existing problem of using a solenoid valve to return coins will be the active disclosure of the utility model.

Contents of the invention

In order to solve the deficiency of the above-mentioned prior art, the utility model discloses a coin return mechanism of an automatic vending machine, in order to achieve the purpose of reducing the sound and stably returning coins.

In order to achieve the above purpose and other purposes, the utility model provides a coin return mechanism of an automatic vending machine, which includes a body, a motor, a transmission unit, a sliding unit, a base, a first sensing unit and a first Two sensing units. Wherein, the body includes a through pipe and a motor frame; the motor is arranged on the motor frame, and the motor includes a drive shaft, and the drive shaft penetrates the motor frame and extends to the bottom of the motor frame; the transmission unit is connected to The drive shaft, the transmission unit includes a transmission shaft, a calibration part and a transmission part, the calibration part is arranged on the side of the transmission shaft, and the transmission part is arranged on the bottom end of the transmission shaft; the sliding unit is movably Set below the through pipe, the sliding unit includes an accommodating hole and a guide groove, and the transmission part is movably extended in the guide groove to drive the sliding unit to perform reciprocating action; the base is arranged on the Under the body and below the sliding unit, the base defines a coin outlet; the first sensing unit is arranged on the body and corresponds to the through pipe, and the first sensing unit is used to sense whether coins enter and the second sensing unit is disposed on the body and corresponds to the calibration portion of the transmission unit, the second sensing unit is used for sensing the rotation degree of the transmission unit according to the calibration portion.

In the coin return mechanism of the automatic vending machine mentioned above, the transmission part includes a chassis and a protrusion, the protrusion is arranged under the chassis and deviates from the axis of the transmission shaft, and the guide groove of the sliding unit is straight line, and the bump is in the guide groove.

In the above-mentioned coin return mechanism of the automatic vending machine, a long hole is provided on the side wall of the through pipe, and the long hole is parallel to the long axis direction of the through pipe, and the first sensing unit includes a rotating member and a The first sensor, the rotating part includes a rotating shaft, a first extension part and a second extension part, and the first extension part extends into the through pipe through the long hole, and the second extension part is adjacent to the first sensor The rotating shaft is mounted on the main body to rotate relative to the main body when the first extension part moves in the long hole, and the first sensor is used to sense the position change of the second extension part.

In the coin ejecting mechanism of the automatic vending machine mentioned above, the calibration part is a disc and includes a notch, and the second sensing unit senses the position of the notch to determine the degree of rotation of the transmission unit.

Thereby, the coin return mechanism of the automatic vending machine of the utility model starts the motor to drive the transmission unit to rotate through the sensing of the first sensing unit, and at the same time makes the transmission unit drive the sliding unit to slide, so as to The coins dropped from the through pipe to the accommodating hole of the sliding unit are driven to the coin outlet of the base to complete the coin return action, and the calibration part is sensed by the second sensing unit, and in the sliding When the unit returns to the initial position, the motor is turned off for the next coin return action, thereby reducing the sound and stabilizing the coin return.

Description of drawings

Fig. 1 is an exploded schematic diagram of a coin return mechanism of an automatic vending machine according to a specific embodiment of the present invention.

Fig. 2 is an exploded schematic diagram of a coin return mechanism of an automatic vending machine according to a specific embodiment of the present invention.

Fig. 3 is a three-dimensional schematic diagram of a coin return mechanism of an automatic vending machine according to a specific embodiment of the present invention.

Fig. 4 is a partially cutaway three-dimensional schematic diagram of a coin return mechanism of an automatic vending machine according to a specific embodiment of the present invention.

Fig. 5 is a partial cross-sectional schematic diagram of a coin return mechanism of an automatic vending machine according to a specific embodiment of the present invention.

Fig. 6 to Fig. 9 are schematic views of the use state of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present invention.

[Description of main component symbols]

10 Coin refund mechanism for vending machines

11 body

111 Through pipe

1111 long hole

112 motor rack

113 coin entry channel

12 motors

121 drive shaft

13 Transmission unit

131 drive shaft

132 Calibration department

1321 Gap

133 transmission department

1331 Chassis

1332 Bump

14 sliding unit

141 Accommodating hole

142 guide groove

15 base

151 Coin outlet

16 The first sensing unit

161 rotating parts

1611 Shaft

1612 First Extension

1613 Second extension

162 First sensor

17 Second sensing unit

20 coins

Detailed ways

In order to fully understand the purpose, features and effects of the present utility model, the present utility model is described in detail through the following specific embodiments and in conjunction with the accompanying drawings, as follows:

Please refer to Fig. 1 to Fig. 5, Fig. 1 and Fig. 2 are exploded schematic diagrams of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present invention, and Fig. 3 is a schematic diagram of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present utility model The three-dimensional schematic diagram of the mechanism, Fig. 4 is a partial cross-sectional perspective schematic diagram of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present invention, and Fig. 5 is a part of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present utility model Cutaway diagram. As shown in the figure, the coin return mechanism 10 of the automatic vending machine of the present invention includes a body 11, a motor 12, a transmission unit 13, a sliding unit 14, a base 15, a first sensing unit 16 and A second sensing unit 17 . Wherein, the coin return mechanism 10 of the automatic vending machine is connected to a coin return port (not shown) of an automatic vending machine (not shown).

The main body 11 includes a through pipe 111 and a motor frame 112, and the through pipe 111 includes a coin-in channel 113, and the coin-in channel 113 is for a coin (not shown) to be returned to enter the return coin of the automatic vending machine Institution 10.

The motor 12 is disposed on the motor frame 112 , and the motor 12 includes a driving shaft 121 . Wherein, the driving shaft 121 penetrates the motor frame 112 and extends to the bottom of the motor frame 112 , and when the motor 12 starts, the driving shaft 121 will continuously rotate.

The transmission unit 13 is connected to the drive shaft 121, the transmission unit 13 includes a transmission shaft 131, a calibration part 132 and a transmission part 133, the calibration part 132 is arranged on the side of the transmission shaft 131, and the transmission part 133 is set at the bottom end of the transmission shaft 131 .

The sliding unit 14 is movably disposed under the through pipe 111, the sliding unit 14 includes a receiving hole 141 and a guide groove 142, and the transmission part 133 is movably extended in the guide groove 142 to drive the The sliding unit 14 performs a reciprocating action relative to the main body 11 .

The base 15 is disposed under the body 11 and below the sliding unit 14 . The base 15 defines a coin outlet 151 , and the coin outlet 151 is connected to the coin outlet. Wherein, the base 15 may include multiple components to define the coin outlet 151 , or define the coin outlet 151 in one component.

The first sensing unit 16 is disposed on the body 11 and corresponds to the through pipe 111 , and the first sensing unit 16 is used for sensing whether a coin enters the through pipe 111 .

The second sensing unit 17 is disposed on the body 11 and corresponds to the calibration portion 132 of the transmission unit 13 , the second sensing unit 17 is used for sensing the rotation degree of the transmission unit 13 according to the calibration portion 132 .

When the coin return mechanism 10 of the automatic vending machine is not in operation, the accommodating hole 141 of the sliding unit 14 is located below the coin-in channel 113, that is, the accommodating hole 141 is aligned with the coin-in channel 113, so that the coin After falling into the through pipe 111 , it is accommodated in the accommodating hole 141 , so that the coin can be moved by the sliding unit 14 to be driven.

Furthermore, when the drive shaft 121 of the motor 12 rotates, the drive shaft 131 of the transmission unit 13 is driven by the drive shaft 121 to rotate, so that the part of the transmission part 133 moves in the guide groove 142 of the sliding unit 14 , and then stably drive the sliding unit 14 to slide on the base 15, in other words, convert the rotational motion of the transmission shaft 131 into the reciprocating action of the sliding unit 14, so that the accommodating holes 141 of the sliding unit 14 are alternately The coin inlet channel 113 is aligned with the coin outlet 151, so that the coin contained in the accommodating hole 141 is brought to the coin outlet 151, and the coin is dropped to the withdrawal through the coin outlet 151. The coin mouth then aligns the receiving hole 141 with the coin entry channel 113 again to accept the next coin and carry out the next coin return action, thereby preventing the collision between the components.

For example, the transmission part 133 includes a chassis 1331 and a protrusion 1332, the protrusion 1332 is disposed below the chassis 1331 and deviates from the axis of the transmission shaft 131, and the guide groove 142 of the sliding unit 14 is straight line, and the protrusion 1332 is located in the guide groove 142 . Therefore, when the chassis 1331 of the transmission unit 13 is rotated by the motor 12, the protrusion 1332 moves back and forth in the guide groove 142, and due to the rotation of the chassis 1331, the protrusion 1332 also revolves around the The transmission shaft 131 rotates, and then stably drives the sliding unit 14 to perform a linear reciprocating action, and then stably completes the coin withdrawal action. Wherein, the base plate 1331 rotates one circle, and the accommodating hole 141 will be moved from being aligned with the coin-in channel 113 to being aligned with the coin-out port 151, so as to complete a coin return action, and then make the accommodating hole 141 Return from aligning the coin outlet 151 to aligning the coin entry channel 113 to perform the next coin return action.

In this embodiment, the side wall of the through pipe 111 is provided with a long hole 1111, the long hole 1111 is parallel to the long axis direction of the through pipe 111, and the first sensing unit 16 includes a rotating member 161 and a first A sensor 162, the rotating part includes a rotating shaft 1611, a first extension 1612 and a second extension 1613, and the first extension 1612 extends through the long hole 1111 into the coin-in channel 113 of the through pipe 111 , the second extension 1613 is adjacent to the first sensor 162, the shaft 1611 is set on the body 11 to rotate relative to the body 11 when the first extension 1612 moves in the long hole 1111, and the first sensor 162 It is used to sense the position change of the second extension part 1613 . Specifically, the rotating member 161 is in the shape of a cross. When the coin falls into the coin-in channel 113 of the through pipe 111, the coin will press down on the first extension portion 1612, so that the rotating member 161 takes the rotating shaft 1611 as a The center rotates, and at the same time the second extension part 1613 is tilted to change the position of the second extension part 1613, whereby the first sensor 162 can detect the position change of the second extension part 1613 and sense the Coins have fallen into the coin return mechanism 10 of the automatic vending machine, so that the coin return mechanism 10 of the automatic vending machine further activates the motor 12 to achieve the coin return action.

In this embodiment, the calibration portion 132 is a disc and includes a notch 1321 , and the second sensing unit 17 senses the position of the notch 1321 to determine the degree of rotation of the transmission unit 13 . Specifically, when the second sensing unit 17 senses the notch 1321 during the rotation of the transmission unit 13, the coin ejection mechanism 10 of the automatic vending machine will immediately turn off the motor 12, so that the drive shaft 121 Stop the rotation, at this time, the sliding unit 14 will be in the initial position, and the accommodating hole 141 is aligned with the coin entry channel 113 of the through pipe 111, to perform the next coin return action, that is, to wait for the next start of the motor 12.

Please refer to FIG. 6 to FIG. 9 , which are schematic views of the use state of the coin return mechanism of the automatic vending machine according to a specific embodiment of the present invention.

First, as shown in FIG. 6, a coin 20 enters the coin-in channel 113 of the through pipe 111, and the coin 20 presses down on the first extension portion 1612, so that the rotating member 161 rotates around the rotating shaft 1611, and The dropping of the coin 20 is sensed by the first sensor 162 .

Next, as shown in FIG. 7 , when the coin 20 passes through the rotating member 161, the rotating member 161 rotates in the opposite direction and returns to the initial position, and the coin 20 will fall into the sliding unit 14 along the through pipe 111 and the coin 20 is placed horizontally on the base 15 . At this time, the position of the notch 1321 of the marking part 132 corresponds to the second sensing unit 17 .

Then, as shown in FIG. 8 , the coin withdrawal mechanism 10 of the automatic vending machine starts the motor 12 to rotate the drive shaft 121 and drive the transmission shaft 131 to rotate, so that the protrusion 1332 is positioned on the side of the moving unit 14 Move in the guide groove 142, and drive the slide unit 14 to slide horizontally toward the position of the coin outlet 151 until the accommodating hole 141 is aligned with the coin outlet 151, so that the coin 20 falls into the coin outlet 151 through the coin outlet. coin mouth, and complete a coin return action, for the user (not shown) to get back the coin 20 from the coin mouth. At this time, the transmission unit 13 has horizontally rotated 180 degrees from the initial position.

Finally, as shown in FIG. 9 , the drive shaft 121 will continue to rotate, and drive the sliding unit 14 to move to the position of the through pipe 111 until the position of the notch 1321 of the calibration part 132 corresponds to the second sensing unit again. 17 and sensed by the second sensing unit 17, the coin ejection mechanism 10 of the automatic vending machine immediately turns off the motor 12, so that the drive shaft 121 stops rotating. At this time, the sliding unit 14 returns to the initial position, that is, The accommodating hole 141 is aligned with the coin entry channel 113 to wait for the next coin 20 to fall into the coin return mechanism 10 of the automatic vending machine, and then perform the next coin return action, that is, repeat the above action. At this time, the transmission unit 13 has rotated 360 degrees horizontally from the initial position and returned to the initial position.

To sum up, the coin return mechanism of the automatic vending machine of the present invention starts the motor to drive the transmission unit to rotate through the sensing of the first sensing unit, and at the same time makes the transmission unit drive the sliding unit to slide , the coins dropped from the through pipe to the accommodating hole of the sliding unit are driven to the coin outlet of the base to complete the coin return action, and the calibration part is sensed by the second sensing unit, and in When the sliding unit returns to the initial position, the motor is turned off to perform the next coin return action, thereby reducing collisions between components to reduce noise and stabilize coin return.

The utility model has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only used to describe the utility model, and should not be interpreted as limiting the scope of the utility model. It should be noted that all changes and replacements equivalent to this embodiment should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be defined by the claims.

Claims (4)

1. a refund mechanism for automatic vending machine, is characterized in that, comprises:

One body, this body comprises a siphunculus and a motor frame;

One motor, be arranged on this motor frame, and this motor comprises a driving shaft;

One gear unit, is connected in this driving shaft, and this gear unit comprises a transmission shaft, a demarcation portion and a driving section, and this demarcation portion is arranged at the side of this transmission shaft, and this driving section is arranged at the bottom of this transmission shaft;

One sliding unit, is arranged at the below of this siphunculus movably, and this sliding unit comprises a containing hole and a guide groove, and this driving section is extended movably and is arranged in this guide groove to drive this sliding unit to carry out reciprocating start;

One base, is arranged under this body and is positioned at the below of this sliding unit, and this base defines a coin discharge;

One first sensing cell, is arranged on this body and corresponding to this siphunculus, and whether this first sensing cell has coin to enter this siphunculus for sensing; And

One second sensing cell, is arranged on this body and corresponding to the demarcation portion of this gear unit, this second sensing cell is for the rotation degree according to this demarcation portion this gear unit of sensing.

2. the refund mechanism of automatic vending machine as claimed in claim 1, it is characterized in that, this driving section comprises a chassis and a projection, the axle center that this projection is arranged at the below on this chassis and departs from this transmission shaft, and the guide groove of this sliding unit is a straight line, and this projection is arranged in this guide groove.

3. the refund mechanism of automatic vending machine as claimed in claim 2, it is characterized in that, the side wall surface of this siphunculus is provided with a slotted hole, this slotted hole is parallel to the long axis direction of this siphunculus, and this first sensing cell comprises a tumbler and a first sensor, this tumbler comprises a rotating shaft, one first extension and one second extension, and this first extension extends in this siphunculus by this slotted hole, contiguous this first sensor of this second extension, this rotating shaft is set up on this body to rotate relative to this body when this first extension moves in this slotted hole, and this first sensor is for the change in location of this second extension of sensing.

4. the refund mechanism of automatic vending machine as claimed in claim 2 or claim 3, is characterized in that, this demarcation portion is a disk and comprises a breach, and the position of this this breach of the second sensing cell sensing is to judge the rotation degree of this gear unit.

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