Up-and-down movement mechanism used in high-temperature and high-humidity environment

Abstract

The invention relates to the technical field of up-and-down movement mechanisms, and discloses an up-and-down movement mechanism used in a high-temperature and high-humidity environment, the up-and-down movement mechanism comprises a mounting rack, a tray is fixedly mounted in the mounting rack, a heating element is mounted at the bottom of the tray, and a movement mechanism is arranged in the mounting rack; the movement mechanism comprises a supporting frame, a rotating rod, two second transmission wheels, two connecting frames, two third transmission wheels, two fixing frames, two second transmission belts and two fourth transmission wheels. A connecting frame is mounted on the side wall of a second transmission belt through a connecting piece, so that the second transmission belt can move on the side walls of a third transmission wheel and a fourth transmission wheel when a rotating rod rotates, and the connecting frame is driven to move up and down in a mounting frame by controlling the rotating direction of the rotating rod; the steel column can be effectively prevented from rusting and falling in the mode that the second transmission belt moves to drive the connecting frame to move up and down, so that the steel column can stably move up and down in parallel in a high-temperature and high-humidity narrow space.

Description

Technical Field

[0001] The invention relates to an up-and-down motion mechanism, in particular to an up-and-down motion mechanism used in a high-temperature and high-humidity environment. Background Art

[0002] A food vending machine is a vending device that sells food. According to the various food items needed by consumers, the food is manually prepared and placed in the vending machine in advance. The food is then sold to consumers by picking up the food themselves. The up and down motion mechanism refers to a device used to move an object up and down in a certain space. It is usually used to transport thermal insulation covers or other devices up and down in vending machines.

[0003] In order to ensure the temperature of the food in the food vending machine, a heating element is usually installed inside to keep the food warm. This will cause the food vending machine to be in a high temperature and high humidity environment for a long time. The traditional up and down operating mechanism usually relies on the movement of steel balls. In a high temperature and high humidity environment for a long time, the steel balls will rust and fall off, resulting in a failure to use it normally. Summary of the invention

[0004] The main purpose of the present invention is to provide an up and down motion mechanism for use in a high temperature and high humidity environment, aiming to solve the technical problem that the traditional up and down operating mechanism usually relies on steel balls for movement, and the steel balls rust and fall off over time in a high temperature and high humidity environment, thus resulting in the inability to be used normally.

[0005] In order to achieve the above-mentioned invention object, the first aspect of the present invention provides an up-and-down motion mechanism for use in a high temperature and high humidity environment, comprising a mounting frame, a tray is fixedly mounted inside the mounting frame, a heating element is mounted at the bottom of the tray, and a motion mechanism is arranged inside the mounting frame;

[0006] The motion mechanism includes a supporting frame, a rotating rod, two second transmission wheels, two connecting frames, two third transmission wheels, two fixed frames, two second transmission belts and two fourth transmission wheels, the supporting frame is fixedly mounted on the inner wall of the mounting frame, the rotating rod is rotatably connected between the supporting frame and the inside of the mounting frame, the two third transmission wheels are respectively fixedly mounted on one end of the rotating rod, the two fixed frames are mirror-mounted on both sides of the inner wall of the mounting frame, the two fourth transmission wheels are respectively rotatably connected to one side of the two fixed frames, the second transmission wheel is connected to the fourth transmission wheel through a second transmission belt, a connecting piece is fixedly mounted on the side wall of the second transmission belt, and the connecting frame is fixedly mounted on one end of the connecting piece;

[0007] Further, the connecting frame is located on one side of the second transmission belt, and the connecting frame is fixedly connected to the second transmission belt through the connecting member;

[0008] Furthermore, a heat preservation cover may be installed on one side of the connecting frame;

[0009] Furthermore, a slide rail is fixedly installed on the inner wall of the mounting frame;

[0010] Furthermore, one side of the connecting frame is rotatably connected to a pulley, and the pulley is slidably connected to the inside of the slide rail;

[0011] Furthermore, a driving motor is fixedly installed at the bottom of the support frame, and a first transmission wheel is fixedly installed at the output end of the driving motor;

[0012] Furthermore, a second transmission wheel is fixedly mounted on the side wall of the rotating rod, and the first transmission wheel and the second transmission wheel are connected to each other through a first transmission belt;

[0013] Furthermore, a first sensor is fixedly installed inside the mounting frame, and a second sensor is fixedly installed on a side wall of the connecting member on one side, and the first sensor corresponds to the second sensor;

[0014] Furthermore, two screw lifting motors are fixedly installed inside the mounting frame;

[0015] Furthermore, a meal delivery baffle is fixedly mounted on an output end of one of the screw lifting motors, and a meal discharge baffle is fixedly mounted on an output end of the other screw lifting motor.

[0016] Beneficial effects:

[0017] The present invention provides an up and down movement mechanism for use in a high temperature and high humidity environment, wherein a connecting frame is installed on a side wall of a second transmission belt through a connecting piece, so that the second transmission belt can move on the side walls of a third transmission wheel and a fourth transmission wheel when a rotating rod rotates, and the connecting frame is driven to move up and down inside the mounting frame by controlling the rotation direction of the rotating rod. The method of using the second transmission belt to drive the connecting frame to move up and down can effectively avoid the problem of steel columns rusting and falling off, thereby being able to stably move up and down in parallel in a narrow space with high temperature and high humidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of one viewing angle of the motion mechanism of the present invention after the mounting frame is removed;

[0020] Figure 3 It is a perspective structural diagram of the motion mechanism of the present invention after removing the slide rail and the fixing frame;

[0021] Figure 4 It is a structural schematic diagram of one viewing angle of the motion mechanism of the present invention after the mounting frame is removed;

[0022] in:

[0023] 1-mounting frame; 2-tray; 3-heating element; 4-meal delivery baffle; 5-meal discharging baffle; 6-screw lifting motor; 7-support frame; 8-driving motor; 9-first transmission wheel; 10-first transmission belt; 11-rotating rod; 12-second transmission wheel; 13-connecting frame; 14-pulley; 15-slide rail; 16-third transmission wheel; 17-fixed frame; 18-fourth transmission wheel; 19-second transmission belt; 20-connecting piece; 21-first sensor; 22-second sensor; 23-insulation cover;

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] Reference Figure 1-4 , an embodiment of the present invention is a vertical motion mechanism used in a high temperature and high humidity environment, comprising a mounting frame 1, a tray 2 is fixedly mounted inside the mounting frame 1, a heating element 3 is mounted at the bottom of the tray 2, and a motion mechanism is arranged inside the mounting frame 1;

[0030] The motion mechanism includes a support frame 7, a rotating rod 11, two second transmission wheels 12, two connecting frames 13, two third transmission wheels 16, two fixed frames 17, two second transmission belts 19 and two fourth transmission wheels 18. The support frame 7 is fixedly mounted on the inner wall of the mounting frame 1, the rotating rod 11 is rotatably connected between the support frame 7 and the inside of the mounting frame 1, the two third transmission wheels 16 are respectively fixedly mounted on one end of the rotating rod 11, the two fixed frames 17 are mirror-mounted on both sides of the inner wall of the mounting frame 1, the two fourth transmission wheels 18 are respectively rotatably connected on one side of the two fixed frames 17, the second transmission wheel 12 and the fourth transmission wheel 18 are transmission-connected through the second transmission belt 19, the side wall of the second transmission belt 19 is fixedly mounted with a connecting piece 20, the connecting frame 13 is fixedly mounted on one end of the connecting piece 20, the connecting frame 13 is located on one side of the second transmission belt 19, the connecting frame 13 is fixedly connected to the second transmission belt 19 through the connecting piece 20, and a heat preservation cover 23 can be installed on one side of the connecting frame 13;

[0031] The tray 2 can be used to place food, and the heating element 3 can be installed at the bottom of the tray 2 to heat and keep the food on the top of the tray 2 warm. A rotating rod 11 is provided, and the third transmission wheel 16 can be driven to rotate by rotating the rotating rod 11. The third transmission wheel 16 can be connected to the fourth transmission wheel 18 by providing a second transmission belt 19, so that when the rotating rod 11 rotates, the second transmission belt 19 can move the side walls of the third transmission wheel 16 and the fourth transmission wheel 18. The connecting member 20 can be provided to fix the connecting frame 13 to the second transmission belt 19, so that the second transmission belt 19 can drive the connecting frame 13 to move when it moves. By providing the connecting frame 13, a heat preservation cover 23 or other device can be installed on one side of the connecting frame 13, and the connecting frame 13 can be lifted and lowered together with the connecting frame 13.

[0032] This embodiment adopts a method of installing the connecting frame 13 on the side wall of the second transmission belt 19 through the connecting piece 20, so that when the rotating rod 11 rotates, the second transmission belt 19 can move on the side walls of the third transmission wheel 16 and the fourth transmission wheel 18. By controlling the rotation direction of the rotating rod 11, the connecting frame 13 is driven to move up and down inside the mounting frame 1. By adopting the method of using the second transmission belt 19 to drive the connecting frame 13 to move up and down, the problem of the steel column rusting and falling off can be effectively avoided, so that it can stably move up and down in parallel in a small space with high temperature and high humidity.

[0033] In one embodiment, a slide rail 15 is fixedly installed on the inner wall of the mounting frame 1, a pulley 14 is rotatably connected to one side of the connecting frame 13, and the pulley 14 is slidably connected inside the slide rail 15. A driving motor 8 is fixedly installed on the bottom of the supporting frame 7, and a first transmission wheel 9 is fixedly installed on the output end of the driving motor 8. A second transmission wheel 12 is fixedly installed on the side wall of the rotating rod 11, and the first transmission wheel 9 and the second transmission wheel 12 are connected through a first transmission belt 10.

[0034] In this embodiment, the slide rail 15 and the pulley 14 are provided to limit the moving direction of the connecting frame 13, so that the connecting frame 13 can only move up and down in a vertical direction inside the mounting frame 1 to prevent the connecting frame 13 from tilting. The first transmission wheel 9 can be controlled to rotate by providing a driving motor 8. The first transmission belt 10 can be provided to connect the first transmission wheel 9 with the second transmission wheel 12, so that the second transmission wheel 12 can be driven to rotate when the first transmission wheel 9 rotates.

[0035] In one embodiment, a first sensor 21 is fixedly installed inside the mounting frame 1, and a second sensor 22 is fixedly installed on the side wall of the connecting piece 20 on one side, the first sensor 21 corresponds to the second sensor 22, and two screw lifting motors 6 are fixedly installed inside the mounting frame 1, a meal delivery baffle 4 is fixedly installed on the output end of one of the screw lifting motors 6, and a meal discharge baffle 5 is fixedly installed on the output end of the other screw lifting motor 6.

[0036] In this embodiment, a first sensor 21 and a second sensor 22 are provided so as to detect the height position of the connecting frame 13 inside the mounting frame 1. Two screw lifting motors 6 are provided, and the screw lifting motors 6 can be used to control the raising or lowering of the meal delivery baffle 4 and the meal output baffle 5, so that the meal can be placed on the tray 2 through the meal delivery baffle 4, or the meal can be taken out through the meal output baffle 5, so as to facilitate the taking of the meal.

[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vertical motion mechanism for use in a high temperature and high humidity environment, comprising a mounting frame (1), a tray (2) being fixedly mounted inside the mounting frame (1), a heating element (3) being mounted at the bottom of the tray (2), and a motion mechanism being arranged inside the mounting frame (1); The motion mechanism comprises a support frame (7), a rotating rod (11), two second transmission wheels (12), two connecting frames (13), two third transmission wheels (16), two fixed frames (17), two second transmission belts (19) and two fourth transmission wheels (18); the support frame (7) is fixedly mounted on the inner wall of the mounting frame (1); the rotating rod (11) is rotatably connected between the support frame (7) and the inside of the mounting frame (1); the two third transmission wheels (16) are respectively fixedly mounted on one end of the rotating rod (11); the two fixed frames (17) are mirror-mounted on both sides of the inner wall of the mounting frame (1); the two fourth transmission wheels (18) are respectively rotatably connected to one side of the two fixed frames (17); the second transmission wheel (12) and the fourth transmission wheel (18) are transmission-connected via a second transmission belt (19); a connecting member (20) is fixedly mounted on the side wall of the second transmission belt (19); and the connecting frame (13) is fixedly mounted on one end of the connecting member (20).

2. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: The connecting frame (13) is located on one side of the second transmission belt (19), and the connecting frame (13) is fixedly connected to the second transmission belt (19) via the connecting member (20).

3. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: A heat preservation cover (23) can be installed on one side of the connecting frame (13).

4. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: A slide rail (15) is fixedly mounted on the inner wall of the mounting frame (1).

5. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 4, characterized in that: One side of the connecting frame (13) is rotatably connected to a pulley (14), and the pulley (14) is slidably connected inside the slide rail (15).

6. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: A driving motor (8) is fixedly mounted on the bottom of the support frame (7), and a first transmission wheel (9) is fixedly mounted on the output end of the driving motor (8).

7. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 6, characterized in that: A second transmission wheel (12) is fixedly mounted on the side wall of the rotating rod (11), and the first transmission wheel (9) and the second transmission wheel (12) are transmission-connected via a first transmission belt (10).

8. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: A first sensor (21) is fixedly mounted inside the mounting frame (1), and a second sensor (22) is fixedly mounted on a side wall of the connecting member (20) on one side, wherein the first sensor (21) corresponds to the second sensor (22).

9. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 1, characterized in that: Two screw lifting motors (6) are fixedly installed inside the mounting frame (1).

10. The up-and-down motion mechanism for use in a high temperature and high humidity environment according to claim 9, characterized in that: A meal delivery baffle (4) is fixedly mounted on the output end of one of the screw lifting motors (6), and a meal discharge baffle (5) is fixedly mounted on the output end of the other screw lifting motor (6).

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