Medical waste box bottom lifting and weighing module

Abstract

The utility model belongs to the medical transportation technical field, concretely relates to a medical waste box bottom lifting weighing module. The utility model discloses a shell, bottom plate, be located the lower part of shell, be provided with through -hole on the bottom plate, inner bag, be located the shell inside, fixed support, its upper portion is connected with the bottom surface of bottom plate, lifting weighing subassembly, with the lower part of fixed support is connected, the top of lifting weighing subassembly can pass through through -hole and butt the bottom surface of inner bag in the state of lifting. The utility model is used to solve the technical problem of the weighing module of medical waste box and always connecting together in the prior art, the weighing module is under pressure all the time, and long -term use will lead to the inaccuracy of weighing module weighing.

Description

Technical Field

[0001] This utility model belongs to the field of medical transportation technology, specifically relating to a lifting and weighing module at the bottom of a medical waste bin. Background Technology

[0002] Medical waste trucks are used to store and transport medical waste, with the medical waste container being the core component. Especially as medical waste trucks evolve towards unmanned and automated operations, determining whether the container is full after medical waste has been placed inside has become one of the criteria for determining whether the truck can operate autonomously.

[0003] Determining whether a medical waste bin is full requires multiple methods, including weighing, which involves measuring the total weight of the medical waste bin.

[0004] The current structure of the weighing medical waste bin has several defects. First, the medical waste bin and the weighing module are always connected, which causes the weighing module to be under constant stress, affecting the weighing accuracy, which is a major defect. Second, since the medical waste bin and the weighing module are connected together and the medical waste bin is exposed, the shaking of the medical waste bin can also easily affect the weighing accuracy. Utility Model Content

[0005] This utility model provides a lifting and weighing module at the bottom of a medical waste bin, which solves the technical problem in the prior art where the medical waste bin and the weighing module are always connected together, and the weighing module is constantly under pressure, which leads to inaccurate weighing after long-term use. This utility model includes: a shell; A base plate is located at the lower part of the outer casing, and a through hole is provided on the base plate; The inner liner is located inside the outer shell; A fixed bracket, the upper part of which is connected to the bottom surface of the base plate; A lifting and weighing assembly is connected to the lower part of the fixed bracket. When the lifting and weighing assembly is raised, its top end can pass through the through hole and abut against the bottom surface of the inner liner.

[0006] The lifting and weighing component of this utility model has both lifting and weighing functions. It will only rise and contact the bottom surface of the inner liner when it is needed to weigh the inner liner. When not weighing, it will fall down and separate from the inner liner, which can avoid long-term pressure from the inner liner and maintain weighing accuracy.

[0007] Further: the lifting and weighing assembly includes: The first connecting frame is fixedly connected to the fixed bracket; A linear drive mechanism, one end of which is hinged to the first connecting frame; The second connecting frame is fixedly connected to the fixed bracket and is located on one side of the first connecting frame; A top block is disposed within the second connecting frame, and one end of the top block is connected to the output end of the linear drive mechanism. The top surface of the top block is provided with an ejection structure. A support plate is provided above the second connecting frame and is slidably connected to the second connecting frame through a number of guide rods. The bottom surface of the support plate is provided with support points that correspond to and are adapted to the ejection structure. The first fixing block is located on the top surface of the support plate; A sensor is positioned above the first fixed block, with one end of the sensor connected to the top surface of the first fixed block; The second fixing block is located above the sensor, and the other end of the sensor is connected to the second fixing block. The beneficial effect of this step is that the linear drive mechanism can drive the top block to move back and forth. Moving the top block forward can lift the support plate, and moving it backward can lower the support plate. The first fixing block, the sensor, and the second fixing block form a weighing module, which can realize the weighing function.

[0008] Furthermore: The second connecting frame is provided with a limiting groove, which corresponds to both sides of the top block. The beneficial effect of this step is that the limiting groove can ensure that the top block can only move in a straight line and will not move at all, thus improving the reliability of the lifting motion.

[0009] Furthermore, the linear drive mechanism is an electric push rod. The advantages of this step are that the electric push rod is small in size, does not require a pneumatic or hydraulic source, and is easy to control electrically.

[0010] Furthermore: the ejector structure includes an upper top surface and a lower top surface, as well as an inclined surface that transitions between the upper top surface and the lower top surface. The top surface of the top block is provided with at least one of the ejector structures. The beneficial effect of this step is that the support point can be lifted or lowered by the forward and backward displacement of the ejector structure.

[0011] Furthermore: the support point is a reverse inclined plane or a roller; When the support point is a reverse slope, the bottom surface of the support plate is provided with a protruding post, the top surface of the protruding post is a reverse slope, and the reverse slope is in contact with the slope. When the support point is a roller, the bottom surface of the support plate is provided with a groove, the roller is shafted in the groove, and the circumferential surface of the roller is tangent to the ejection structure. The beneficial effects of this step are: the reverse inclined plane is sliding friction, the roller is rolling friction, the friction of the roller is smaller, it is not easy to jam, and it is more reliable.

[0012] Furthermore: the second connecting frame is provided with a sliding sleeve corresponding to the position of the guide rod, and the guide rod is inserted into the sliding sleeve. The beneficial effect of this step is that since the second connecting frame is a thin-walled part, the guide rod is easy to get stuck when moving up and down in the second connecting frame. However, after adding the sliding sleeve, it can be ensured that the guide rod can only move up and down and is difficult to deflect, thereby improving the smoothness of the lifting and lowering of the support plate.

[0013] Furthermore: the bottom surface of the inner liner may or may not contact the bottom surface of the base plate; when the bottom surface of the inner liner does not contact the bottom surface of the base plate, the upper edge of the inner liner is provided with a burr, and the outer shell is provided with a support structure corresponding to the position of the burr. The support structure is used to support the burr. The beneficial effect of this step is mainly that the two different connection forms of the inner liner and the outer shell mean that the weight of the inner liner with the burr will not act on the base plate, and will not have an adverse effect on the base plate and the fixing brackets on the bottom surface.

[0014] The beneficial effects of this utility model are: This application separates the inner tank from the lifting and weighing component through the structure of the lifting and weighing component, inner tank, and outer shell. The inner tank will not be kept in a connected state for a long time. The lifting and weighing component will only contact the inner tank when weighing is required. This structure can ensure that the weighing accuracy of the lifting and weighing component is not affected. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 A three-dimensional cross-sectional view of a bottom lifting and weighing module for a medical waste bin provided by this utility model; Figure 2 A three-dimensional cross-sectional view of a medical waste bin bottom lifting and weighing module with the bottom plate removed, provided by this utility model; Figure 3 A perspective view of the lifting and weighing component in the bottom lifting and weighing module of a medical waste bin provided by this utility model; Figure 4 A schematic diagram of the lifting and weighing component in the lifting and weighing module at the bottom of a medical waste bin provided by this utility model; Figure 5 This is a cross-sectional structural diagram of the lifting and weighing component in the bottom lifting and weighing module of a medical waste bin provided by this utility model.

[0017] Figure label: 1-Outer shell; 2-Inner liner; 3-Fixed bracket; 4-Lifting and weighing assembly; 11-Base plate; 41-First connecting frame; 42-Linear drive mechanism; 43-Second connecting frame; 44-Top block; 45-Support plate; 46-First fixing block; 47-Sensor; 48-Second connecting block; 451 - Guide rod; 452 - Roller. Detailed Implementation

[0018] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention. It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0019] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly defined.

[0021] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0023] Implementation of this application, for example Figure 1 As shown, this application provides a lifting and weighing module for the bottom of a medical waste bin.

[0024] This application includes: a casing 1; A base plate 11 is provided at the lower part of the outer shell 1, and a through hole is provided on the base plate 11; Inner liner 2 is located inside the outer shell 1; The fixed bracket 3 is connected at its upper part to the bottom surface of the base plate 11; The lifting and weighing component 4 is connected to the lower part of the fixed bracket 3. When the lifting and weighing component 4 is raised, its top end can pass through the through hole and abut against the bottom surface of the inner liner 2.

[0025] The lifting and weighing component 4 of this application has both lifting and weighing functions. It will only rise and contact the bottom surface of the inner liner 2 when it is necessary to weigh the inner liner 2. When not weighing, it will fall down and separate from the inner liner 2, which can avoid being subjected to the pressure of the inner liner 2 for a long time and maintain the accuracy of weighing.

[0026] Based on the above technical solution, the lifting and weighing assembly 4 includes: The first connecting frame 41 is fixedly connected to the fixed bracket 3; A linear drive mechanism 42, one end of which is hinged to the first connecting frame 41; The second connecting frame 43 is fixedly connected to the fixed bracket 3 and is located on one side of the first connecting frame 41; A top block 44 is disposed within the second connecting frame 43, and one end of the top block 44 is connected to the output end of the linear drive mechanism 42. The top surface of the top block 44 is provided with an ejection structure. A support plate 45 is disposed above the second connecting frame 43 and is slidably connected to the second connecting frame 43 via a plurality of guide rods 451. The bottom surface of the support plate 45 is provided with support points that correspond to and are adapted to the ejection structure. The first fixing block 46 is provided on the top surface of the support plate 45; Sensor 47 is disposed above the first fixing block 46, and one end of the sensor 47 is connected to the top surface of the first fixing block 46; The second fixing block 48 is located above the sensor 47, and the other end of the sensor 47 is connected to the second fixing block 48. The linear drive mechanism 42 can drive the top block 44 to move back and forth. When the top block 44 moves forward, it can lift the support plate 45, and when it moves backward, it can lower the support plate 45. The first fixing block 46, the sensor 47 and the second fixing block 48 form a weighing module, which can realize the weighing function. When the top surface of the second fixing block 48 contacts the bottom surface of the inner liner 2 and lifts it, the inner liner 2 can be weighed.

[0027] Based on the above technical solution, the second connecting frame 43 is provided with a limiting groove, which corresponds to both sides of the top block 44. The limiting groove can ensure that the top block 44 can only move in a straight line and will not move at an angle, thus improving the reliability of the lifting motion.

[0028] Based on the above technical solution, the linear drive mechanism 42 is an electric push rod. The electric push rod 42 is small in size, does not require a pneumatic or hydraulic source, and is easy to control electrically.

[0029] Based on the above technical solution, the ejector structure includes an upper top surface and a lower top surface, as well as an inclined surface that transitions between the upper top surface and the lower top surface. The top surface of the top block is provided with at least one ejector structure. The forward and backward displacement of the ejector structure enables the support point to be lifted or lowered. In addition to this structure, the bottom surface of the support plate 45 is provided with a push rod, the second connecting frame 43 is provided with a guide sleeve for storing the push rod, and a connecting rod is provided between the top block 44 and the push rod. Therefore, when the top block 44 moves, it will also drive the connecting rod to rotate, and the connecting rod will drive the push rod to move up and down.

[0030] Based on the above technical solution, the support point is a reverse inclined plane or roller 452; When the support point is a reverse slope, the bottom surface of the support plate 45 is provided with a protruding post, the top surface of the protruding post is a reverse slope, and the reverse slope is in contact with the slope. When the support point is roller 452, the bottom surface of the support plate 45 is provided with a groove, and the roller 452 is axially connected in the groove. The circumferential surface of the roller 452 is externally tangent to the ejector structure, and the reverse inclined surface is for sliding friction, while the roller 452 is for rolling friction. In this embodiment, roller 452 is preferred as the support point because the friction of roller 452 is smaller, less prone to jamming, and more reliable.

[0031] Based on the above technical solution, the second connecting frame 43 is provided with a sliding sleeve at the position corresponding to the guide rod 451. The guide rod 451 is inserted into the sliding sleeve. Since the second connecting frame 43 is a thin-walled part, the guide rod 451 is easy to get stuck when moving up and down in the second connecting frame 43. However, after adding the sliding sleeve, it can be ensured that the guide rod 451 can only move up and down and is difficult to deflect, thereby improving the smoothness of the lifting and lowering of the support plate 45.

[0032] Based on the above technical solution, the bottom surface of the inner liner 2 may or may not contact the bottom surface of the base plate 11. When the bottom surface of the inner liner 2 does not contact the bottom surface of the base plate 11, the upper edge of the inner liner 2 is provided with a burr, and the outer shell 1 is provided with a support structure corresponding to the position of the burr. The support structure is used to support the burr. The above mainly describes two different connection forms between the inner liner 2 and the outer shell 1. The weight of the inner liner 2 with a burr will not act on the base plate 11, and will not have an adverse effect on the base plate 11 and the fixing bracket 3 on the bottom surface. In this embodiment, the inner liner 2 with a burr is preferred.

[0033] It should be noted that, because the medical waste bin also includes other components, electrical parts, and control logic that are not disclosed, the method for determining when to weigh the inner liner 2, i.e., when the linear drive mechanism 42 operates, is not detailed above. The following example briefly illustrates this: The outer shell 1 of the medical waste bin includes a door panel. After the door panel is opened or closed, the control unit sends an electrical signal command to the linear drive mechanism 42 to extend or retract after a delay of several seconds.

[0034] In this example, the opening and closing of the door panel is used as the time point to control the operation of this application.

[0035] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification. In the description of this specification, references to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A lifting and weighing module at the bottom of a medical waste bin, characterized in that, include: Outer shell (1); A base plate (11) is provided at the lower part of the outer shell (1), and a through hole is provided on the base plate (11); The inner liner (2) is located inside the outer shell (1); A fixed bracket (3) is connected at its upper part to the bottom surface of the base plate (11); The lifting and weighing assembly (4) is connected to the lower part of the fixed bracket (3). When the lifting and weighing assembly (4) is raised, the top of the assembly can pass through the through hole and abut against the bottom surface of the inner liner (2).

2. The medical waste bin bottom lifting and weighing module according to claim 1, characterized in that, The lifting and weighing assembly (4) includes: The first connecting frame (41) is fixedly connected to the fixed bracket (3); A linear drive mechanism (42) is hinged at one end to the first connecting frame (41); The second connecting frame (43) is fixedly connected to the fixed bracket (3) and is located on one side of the first connecting frame (41); A top block (44) is provided inside the second connecting frame (43), and one end of the top block (44) is connected to the output end of the linear drive mechanism (42). The top surface of the top block (44) is provided with an ejection structure. The support plate (45) is located above the second connecting frame (43) and is slidably connected to the second connecting frame (43) through a number of guide rods (451). The bottom surface of the support plate (45) is provided with support points that correspond to and are adapted to the ejection structure. The first fixing block (46) is provided on the top surface of the support plate (45); A sensor (47) is disposed above the first fixing block (46), and one end of the sensor (47) is connected to the top surface of the first fixing block (46). The second fixing block (48) is located above the sensor (47), and the other end of the sensor (47) is connected to the second fixing block (48).

3. The medical waste bin bottom lifting and weighing module according to claim 2, characterized in that, The second connecting frame (43) is provided with a limiting groove, which corresponds to the two sides of the top block (44).

4. The medical waste bin bottom lifting and weighing module according to claim 2, characterized in that, The linear drive mechanism (42) is an electric push rod.

5. The medical waste bin bottom lifting and weighing module according to claim 2, characterized in that, The ejection structure includes an upper top surface and a lower top surface, as well as an inclined surface that transitions between the upper top surface and the lower top surface, and the top surface of the top block (44) is provided with at least one of the ejection structures.

6. The medical waste bin bottom lifting and weighing module according to claim 5, characterized in that, The support point is a reverse inclined plane or a roller (452); When the support point is a reverse slope, the bottom surface of the support plate (45) is provided with a protruding post, the top surface of the protruding post is a reverse slope, and the reverse slope is in contact with the slope. When the support point is a roller (452), the bottom surface of the support plate (45) is provided with a groove, the roller (452) is axially connected in the groove, and the circumferential surface of the roller (452) is externally tangent to the ejection structure.

7. The medical waste bin bottom lifting and weighing module according to claim 2, characterized in that, The second connecting frame (43) is provided with a sliding sleeve at the position corresponding to the guide rod (451), and the guide rod (451) is inserted into the sliding sleeve.

8. The medical waste bin bottom lifting and weighing module according to claim 1, characterized in that, The bottom surface of the inner liner (2) may or may not be in contact with the bottom surface of the base plate (11); when the bottom surface of the inner liner (2) is not in contact with the bottom surface of the base plate (11), the upper edge of the inner liner (2) is provided with a burr, and the outer shell (1) is provided with a support structure corresponding to the position of the burr, the support structure being used to support the burr.

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