Induction roll paper dispenser

Abstract

The utility model discloses a kind of induction paper roll dispensers, it is related to paper roll dispenser technical field, including dispenser main body, the inside of one side of dispenser main body front end is equipped with paper outlet channel, and the inside rotation of paper outlet channel is equipped with compression roller, the front end of the top of dispenser main body is equipped with thermal inductor, and the rear end of the top of dispenser main body is equipped with end cap, further including the rotation of the sleeve synchronous rotation of compression roller and sleeve plate, the bottom of the inside of dispenser main body is equipped with annular slide rail, and the bottom of the inside of annular slide rail front dispenser main body is equipped with miniature servo motor, the front end of miniature servo motor is equipped with driving gear. The utility model is driven by sleeve to make paper roll, make paper roll and compression roller synchronous rotation, in the process of rotating of compression roller, paper roll is constantly given out, and compression roller can output paper roll through paper outlet channel, the structure is synchronous rotation by sleeve plate and sleeve control paper roll and compression roller, avoid paper roll breakage in the process of paper outlet.

Description

Technical Field

[0001] This utility model relates to the field of paper roll dispenser technology, specifically an induction paper roll dispenser. Background Technology

[0002] A paper dispenser is a device used to hold and dispense paper rolls. It is widely used in various scenarios such as homes and public places. With the development of technology, automatic sensing technology has been gradually applied to paper dispensers. Automatic sensing paper dispensers use technologies such as infrared sensing, microwave sensing, or capacitive sensing to detect the user's hand movements. When the user's hand approaches the sensing area of ​​the dispenser, the sensor receives a signal and transmits it to the control circuit. The control circuit drives the motor or other transmission device according to the received signal, thereby automatically feeding out a certain length of paper roll.

[0003] A search revealed Chinese Patent Publication No. CN221635629U, published on September 3, 2024, which discloses an automatic paper roll dispenser. The paper roll dispenser states that "the automatic paper roll dispenser stores the paper roll above the support plate 14 via the insert rod 15, and presses the pressure plate 31 to disengage it from the working box 3" to place the paper roll onto the insert rod. During the paper feeding process, the pressure roller pulls the paper roll, and there is friction between the paper roll and the insert rod to counteract this, which can easily cause the paper roll to break during the pulling process, affecting the normal use of the paper roll dispenser. In view of this, in-depth research was conducted to address the above problems, leading to this case. Utility Model Content

[0004] The purpose of this invention is to provide an inductive paper roll dispenser to solve the problem of paper rolls breaking during the pulling process mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an induction roll paper dispenser, comprising a dispenser body, wherein a paper output channel is provided inside one side of the front end of the dispenser body, and a pressure roller is rotatably installed inside the paper output channel; a thermal sensor is installed at the front end of the top of the dispenser body, and an end cap is installed at the rear end of the top of the dispenser body; and a rotating plate and a sleeve that rotate synchronously with the pressure roller.

[0006] An annular slide rail is installed at the bottom of the distributor body, and a micro servo motor is installed at the bottom of the distributor body in front of the annular slide rail. A drive gear is installed at the front end of the micro servo motor, and a slider that can slide inside the annular slide rail is set inside. A rotating plate that rotates as the slider slides is installed at the top of the slider, and a rack is installed on the outer side of the bottom end of the rotating plate. A sleeve is installed at the top of the rotating plate, and multiple limiting plates are set inside the sleeve. A movable rod is installed on the side of the limiting plates that are far apart from each other, and a wedge-shaped positioning block is installed on the end of the movable rod that is far away from the sleeve. A fixing spring is sleeved on the outer wall of the fixing spring between the wedge-shaped positioning block and the sleeve.

[0007] Preferably, the output end of the micro servo motor extends below the rotating plate, and the top of the slider extends above the annular slide rail.

[0008] Preferably, the drive gear is located below the rack, and the drive gear meshes with the rack.

[0009] Preferably, the limiting plates are evenly distributed inside the annular slide rail, and the rotating plates all form a sliding structure with the annular slide rail through sliders.

[0010] Preferably, the ends of the movable rods that are far apart from each other pass through the sleeve, and the ends of the movable rods that are far apart from each other extend to the outside of the sleeve.

[0011] Preferably, the fixing springs are all fixedly installed between the sleeves.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: a micro servo motor drives the drive gear to rotate, the drive gear controls the rack to drive the rotating plate to rotate, and the rotating plate drives the sleeve to rotate. The rotation direction and amplitude of the rotating plate and the sleeve are the same as those of the pressure roller, so that the sleeve drives the paper roll, and the paper roll rotates synchronously with the pressure roller. During the rotation of the pressure roller, the paper roll is continuously released, and the pressure roller can output the paper roll through the paper output channel. This structure controls the synchronous rotation of the paper roll and the pressure roller through the rotating plate and the sleeve, avoiding the paper roll from breaking during the paper output process. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention;

[0014] Figure 2 This is a three-dimensional structural diagram of the present invention in its open state;

[0015] Figure 3 This is a side sectional view of the main body of the distributor of this utility model;

[0016] Figure 4 This is an exploded view of the present invention;

[0017] Figure 5 This utility model Figure 3 Enlarged structural diagram at point A in the diagram;

[0018] Figure 6 This is a top-view enlarged structural diagram of the rotating plate and sleeve of this utility model.

[0019] In the diagram: 1. Distributor body; 2. End cap; 3. Thermal sensor; 4. Paper output channel; 5. Pressure roller; 6. Micro servo motor; 7. Rotating plate; 8. Wedge positioning block; 9. Sleeve; 10. Circular slide rail; 11. Drive gear; 12. Slider; 13. Rack; 14. Movable rod; 15. Limiting plate; 16. Fixed spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1: Please refer to Figure 1-6 A sensor-operated roll paper dispenser includes a dispenser body 1, a paper output channel 4 is provided inside the front end side of the dispenser body 1, and a pressure roller 5 is rotatably installed inside the paper output channel 4. A thermal sensor 3 is installed at the front end of the top of the dispenser body 1, and an end cap 2 is installed at the rear end of the top of the dispenser body 1. It also includes a rotating plate 7 and a sleeve 9 that rotate synchronously with the pressure roller 5.

[0022] A ring slide rail 10 is installed at the bottom of the distributor body 1, and a micro servo motor 6 is installed at the bottom of the distributor body 1 in front of the ring slide rail 10. A drive gear 11 is installed at the front end of the micro servo motor 6, and a slider 12 that can slide inside the ring slide rail 10 is provided inside the ring slide rail 10. A rotating plate 7 that rotates with the slider 12 is installed at the top of the slider 12, and a rack 13 is installed on the outer side of the bottom end of the rotating plate 7. A sleeve 9 is installed at the top of the rotating plate 7, and multiple limiting plates 15 are provided inside the sleeve 9. A movable rod 14 is installed on the side of the limiting plates 15 that is far away from each other, and a wedge-shaped positioning block 8 is installed on the end of the movable rod 14 that is far away from the sleeve 9. A fixing spring 16 is sleeved on the outer wall of the fixing spring 16 between the wedge-shaped positioning block 8 and the sleeve 9.

[0023] The output end of the micro servo motor 6 extends below the rotating plate 7, and the top of the slider 12 extends above the annular slide rail 10.

[0024] The drive gear 11 is located below the rack 13, and the drive gear 11 meshes with the rack 13.

[0025] The limiting plates 15 are evenly distributed inside the annular slide rail 10, and the rotating plates 7 all form a sliding structure with the annular slide rail 10 through the sliders 12;

[0026] The ends of the movable rods 14 that are far apart from each other pass through the sleeve 9, and the ends of the movable rods 14 that are far apart from each other extend to the outside of the sleeve 9;

[0027] The fixed springs 16 are all fixedly installed between the sleeves 9 and the sleeves 9;

[0028] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, when using this mechanism, under the reaction force of the fixed spring 16, the movable rod 14 pushes the wedge positioning block 8, causing the wedge positioning block 8 to abut against the inner wall of the paper roll, initially fixing the paper roll, and placing one end of the paper roll at the angle between the pressure roller 5 and the paper output channel 4. Then the end cover 2 is closed, and the user places their hand on the front end of the thermal sensor 3. The thermal sensor 3 detects the temperature of the hand and transmits the signal to the control unit, which then controls the pressure roller 5 to rotate.

[0029] Working principle: The operator opens end cap 2, places the roll of paper directly above sleeve 9, and presses the roll down. During this process, the inner wall of the roll contacts the wedge-shaped positioning block 8 and pushes the wedge-shaped positioning block 8, causing it to push the movable rod 14. The movable rod 14 moves into the sleeve 9, compressing the fixed spring 16. Subsequently, under the reaction force of the fixed spring 16, the movable rod 14 pushes the wedge-shaped positioning block 8, causing it to abut against the inner wall of the roll, initially fixing the roll of paper. One end of the roll is then placed at the angle between the pressure roller 5 and the paper outlet channel 4. End cap 2 is then closed. The user places their hand in front of the thermal sensor 3, which detects the hand temperature. The signal is transmitted to the control unit, which controls the rotation of the pressure roller 5 and simultaneously starts the micro servo motor 6. The micro servo motor 6 drives the drive gear 11 to rotate. Since the drive gear 11 meshes with the rack 13, the drive gear 11 can control the rack 13, causing the rack 13 to drive the rotating plate 7 to rotate. The rotating plate 7 drives the slider 12, causing the slider 12 to slide inside the annular slide rail 10. The rotating plate 7 drives the sleeve 9 to rotate. The rotation direction and amplitude of the rotating plate 7 and the sleeve 9 are the same as those of the pressure roller 5, causing the sleeve 9 to drive the paper roll, so that the paper roll and the pressure roller 5 rotate synchronously. During the rotation of the pressure roller 5, the paper roll is continuously released, and the pressure roller 5 can output the paper roll through the paper output channel 4.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A sensor-operated roll paper dispenser, comprising a dispenser body (1), wherein a paper output channel (4) is provided inside one side of the front end of the dispenser body (1), and a pressure roller (5) is rotatably mounted inside the paper output channel (4), a thermal sensor (3) is installed at the front end of the top of the dispenser body (1), and an end cap (2) is installed at the rear end of the top of the dispenser body (1), characterized in that: It also includes a rotating plate (7) and a sleeve (9) that rotate synchronously with the pressure roller (5); The bottom of the distributor body (1) is equipped with an annular slide rail (10), and a micro servo motor (6) is installed at the bottom of the distributor body (1) in front of the annular slide rail (10). A drive gear (11) is installed at the front end of the micro servo motor (6), and a slider (12) that can slide inside the annular slide rail (10) is provided inside. A rotating plate (7) that rotates with the slider (12) is installed at the top of the slider (12), and a rack (13) is installed on the outer side of the bottom end of the rotating plate (7). A sleeve (9) is installed at the top of the rotating plate (7), and multiple limiting plates (15) are provided inside the sleeve (9). A movable rod (14) is installed on the side of the limiting plates (15) that are far away from each other, and a wedge-shaped positioning block (8) is installed on the end of the movable rod (14) that is far away from the sleeve (9). A fixing spring (16) is sleeved on the outer wall of the fixing spring (16) between the wedge-shaped positioning block (8) and the sleeve (9).

2. The induction roll paper dispenser according to claim 1, characterized in that: The output end of the micro servo motor (6) extends below the rotating plate (7), and the top of the slider (12) extends above the annular slide rail (10).

3. The induction roll paper dispenser according to claim 1, characterized in that: The drive gear (11) is located below the rack (13), and the drive gear (11) meshes with the rack (13).

4. The induction roll paper dispenser according to claim 1, characterized in that: The limiting plates (15) are evenly distributed inside the annular slide rail (10), and the rotating plates (7) all form a sliding structure with the annular slide rail (10) through the slider (12).

5. The induction roll paper dispenser according to claim 1, characterized in that: The ends of the movable rods (14) that are far apart from each other all pass through the sleeve (9), and the ends of the movable rods (14) that are far apart from each other all extend to the outside of the sleeve (9).

6. The induction roll paper dispenser according to claim 1, characterized in that: The fixed springs (16) are all fixedly installed between the sleeves (9) and the sleeves (9).

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