Opening and closing door
By designing the opening and closing doors of buffer parts and slides in an automated lunch box vending machine, the problem of traditional lifting doors being prone to air leakage or wear is solved, achieving higher sealing and reducing wear.
Patent Information
- Application Number
- CN202420095594.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-15
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-01-15
AI Technical Summary
The traditional lift doors in existing automatic lunch box vending machines are prone to air leakage or bottom wear, which requires frequent replacement and cannot meet the needs of automated lunch box vending machines.
A door opening and closing includes a door frame, door body and power component is designed. The door frame is equipped with a buffer member and a slide. The power component drives the door body movement through the pulley group to ensure that the door body is closely attached to the buffer member when closed and reduces wear. .
Through the design of buffer parts and slides, the sealing is improved, the wear of the door is reduced, and the application environment needs of strong sealing are met.
Smart Images
Figure CN222436163U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vending machines, and more specifically to a switch door. Background Art
[0002] With the continuous improvement of people's living standards and people's increasing appreciation of time, the daily main meal is no longer the collective steaming or bring-along method of the past, but the purchase of boxed lunches. Currently, the more common means of dining are take-out, convenience stores or going to stores by oneself. The take-out method of ordering requires placing an order some time in advance, and in some special situations it is easy to miss or have no chance to order in advance, causing users to need to find other ways.
[0003] Due to the emergence of the above-mentioned problems, lunch box vending machines appeared on the market immediately. The lunch box vending machines generally include a storage area and a heating area, wherein the storage area is a low-temperature area and the heating area is a high-temperature area. Therefore, a gate is set between the storage area and the heating area. The current gate is a traditional lifting door, which is directly driven up and down by a cylinder to drive the door to open and close. This type of gate is prone to problems such as air leakage or bottom wear, which requires replacement after a certain period of time. Therefore, it does not meet the needs of existing automated lunch box vending machines. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a switch door that can meet the application environment with strong sealing performance.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A switch door comprises a door frame, a door body and a power assembly, wherein the power assembly is used to drive the door body to move in the door frame, a buffer is provided in the door frame, and the switch door comprises a closed state and an open state. When the switch door is in the closed state, the end of the door body is pressed against the buffer so that the door body and the buffer fit tightly, and when the switch door is in the open state, the end of the door body is away from the buffer.
[0007] Furthermore, the buffer member includes a top plate and at least one group of elastic rods, the elastic rods are located at the bottom of the top plate, and the top plate is horizontally located in the door frame.
[0008] Furthermore, a first contact piece is provided at the bottom of the top plate, and a first electrical contact switch cooperating with the first contact piece is provided on the door frame. When the switch door is in a closed state, the door body presses the top plate downward to allow the first contact piece to be inserted into the first electrical contact switch.
[0009] Furthermore, at least one set of slideways is provided on the side walls of the door frame, and a sliding block slidably connected to the slideways is provided on the side walls of the door body.
[0010] Furthermore, an arc section is provided at one end of the slideway close to the buffer.
[0011] Furthermore, a second contact piece is provided at one end of the door body away from the buffer, and a second electrical contact switch cooperating with the second contact piece is provided on the door frame. When the switch door is in an open state, the second contact piece is inserted into the second electrical contact switch.
[0012] Furthermore, the power assembly includes a power unit and a pulley set, the door body is connected to the pulley set, and the power unit drives the pulley set to move the door.
[0013] The beneficial effects of the utility model are as follows: by arranging a buffer and slideways on both sides of the door frame, the switch door can always slide in the slideway during the closing process. When the switch door is in a closed state, the switch door can be pressed against the buffer to make the sealing better, and this opening and closing method can reduce the wear of the switch door. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the overall structure diagram of the utility model;
[0015] Figure numerals: 1, door frame; 2, door body; 3, power assembly; 4, top plate; 5, elastic rod; 6, first contact piece; 7, first electric contact switch; 8, slide; 81, arc segment; 9, second contact piece; 10, second electric contact switch. DETAILED DESCRIPTION
[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0017] Since the current gate is a traditional lifting door, the switch door is directly driven up and down by a cylinder. This type of gate is prone to air leakage or bottom wear, resulting in the need for replacement after a certain period of time. Therefore, it does not meet the needs of existing automated lunch box vending machines. Therefore, the utility model designs this type of switch door, such as Figure 1As shown, it includes a door frame 1, a door body 2 and a power assembly 3. The power assembly 3 is used to drive the door body 2 to move in the door frame 1. A buffer is provided in the door frame 1. The door opening and closing includes a closed state and an open state. When the door opening and closing is in the closed state, the end of the door body 2 is pressed against the buffer so that the door body 2 and the buffer fit tightly. When the door opening and closing is in the open state, the end of the door body 2 is away from the buffer. The cooperation between the buffer and the door body 2 makes the sealing better, and this opening and closing method can reduce the wear of the door opening and closing.
[0018] The buffer member includes a top plate 4 and two sets of elastic rods 5. The elastic rods 5 are located on the door frame 1 at the bottom of the top plate 4. A compression spring is sleeved on the elastic rods 5, and the elastic rods 5 partially pass through the door frame 1 and then sleeved on a limit housing. The top plate 4 is horizontally located in the door frame 1. A first contact piece 6 is also provided at the bottom of the top plate 4. The door frame 1 is provided with a first electrical contact switch 7 that cooperates with the first contact piece 6. When the door is closed, the door body 2 presses the top plate 4 downward. After the top plate 4 is pressed, it pushes the elastic rods 5 into the limit housing. At this time, the elastic rods The compression spring on 5 is compressed, and the surface of the top plate 4 is tightly fitted with the bottom surface of the door body 2. When the first contact piece 6 is inserted into the first electrical contact switch 7, the door body 2 is closed in place, and the door body 2 stops moving downward further. A second contact piece 9 is provided at one end of the door body 2 away from the buffer, and a second electrical contact switch 10 cooperating with the second contact piece 9 is provided on the door frame 1. When the switch door is in the open state, when the second contact piece 9 is inserted into the second electrical contact switch 10, the door body 2 is opened in place, and the door body 2 stops moving upward further.
[0019] like Figure 1 As shown, two groups of slides 8 are provided on the side walls of the door frame 1, i.e., two groups of slides 8 on each of the left and right side walls. The side walls of the door body 2 are provided with sliders slidably connected to the slides 8. The door body 2 is always restricted by the slides 8 during the upward and downward movements, thereby ensuring the moving position of the door body 2. An arc section 81 is provided at one end of the slide 8 close to the buffer. When the door body 2 slides to a closed state, the door body 2 will be squeezed toward one side of the door frame 1 under the influence of the arc section 81, so that the bottom of the door body 2 can be in closer contact with the top plate 4, thereby ensuring its sealing.
[0020] like Figure 1 As shown, the power assembly 3 includes a power unit and a pulley group. A rotating shaft is arranged at the top of the door frame 1. The power unit (motor) drives the rotating shaft to rotate through the first pulley. Other pulleys are arranged at both ends of the rotating shaft. A connecting plate connected to the belt is arranged on the side of the door body 2. When the rotating shaft rotates, the door body 2 can move up and down.
[0021] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.
Claims
1. A door opening and closing device, comprising a door frame (1), a door body (2) and a power assembly (3), wherein the power assembly (3) is used to drive the door body (2) to move in the door frame (1), characterized in that: A buffer is provided inside the door frame (1), and the door opening and closing state includes a closed state and an open state. When the door opening and closing state is in the closed state, the end of the door body (2) is pressed against the buffer so that the door body (2) and the buffer fit tightly together. When the door opening and closing state is in the open state, the end of the door body (2) is away from the buffer.
2. A door opening and closing device according to claim 1, characterized in that: The buffer component comprises a top plate (4) and at least one group of elastic rods (5), wherein the elastic rods (5) are located at the bottom of the top plate (4), and the top plate (4) is horizontally located inside the door frame (1).
3. A door opening and closing device according to claim 2, characterized in that: A first contact piece (6) is also provided at the bottom of the top plate (4), and a first electrical contact switch (7) cooperating with the first contact piece (6) is provided on the door frame (1); when the switch door is in a closed state, the door body (2) presses the top plate (4) downward so that the first contact piece (6) is inserted into the first electrical contact switch (7).
4. A switch door according to claim 1 or 3, characterized in that: At least one set of slideways (8) is provided on the side wall of the door frame (1), and a sliding block slidably connected in the slideway (8) is provided on the side wall of the door body (2).
5. A switch door according to claim 4, characterized in that: An arc section (81) is provided at one end of the slideway (8) close to the buffer.
6. A switch door according to claim 5, characterized in that: A second contact piece (9) is provided at one end of the door body (2) away from the buffer member, and a second electrical contact switch (10) cooperating with the second contact piece (9) is provided on the door frame (1); when the switch door is in an open state, the second contact piece (9) is inserted into the second electrical contact switch (10).
7. A door opening and closing device according to claim 6, characterized in that: The power assembly (3) comprises a power unit and a pulley group, the door body (2) is connected to the pulley group, and the power unit drives the pulley group to move the door body (2).