Sliding door mechanism and molecular diagnosis pretreatment equipment
The design of the sliding door mechanism solves the problem of large space occupation by the door in molecular diagnostic pretreatment equipment, and improves the convenience of sample placement without occupying extra space.
Patent Information
- Application Number
- CN202520139478.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The side-opening doors in existing technologies result in a large footprint for molecular diagnostic pretreatment equipment, affecting ease of use.
The sliding door mechanism includes a door frame, a sliding track, a slider, and an elastic component. The door slides on the track via the slider, and the elastic component provides an elastic force equal to the weight of the door, allowing the door to be suspended in any position without taking up extra space.
This invention enables molecular diagnostic pretreatment equipment to improve sample placement convenience without taking up extra space, and the door can be suspended in any position for easy operation.
Smart Images

Figure CN223838933U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gene detection technology, and in particular to a sliding door mechanism and a molecular diagnostic pretreatment device. Background Technology
[0002] Before performing polymerase chain reaction (PCR) in molecular diagnostic testing, the collected samples need to undergo a series of pretreatment processes in a molecular diagnostic pretreatment device. To ensure the reliability of the processing in this device, a door is required to seal the processing chamber during the process, ensuring its cleanliness. This setup necessitates opening the door each time a sample is placed into the chamber and closing it again afterward. To improve sample placement convenience, a side-opening door structure is typically used, meaning the door is located on one side of the frame when open. However, this structure requires additional space beside the device when the door is open, resulting in a larger footprint for the entire molecular diagnostic pretreatment device.
[0003] Therefore, there is an urgent need to study a sliding door mechanism and a molecular diagnostic pretreatment device to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a sliding door mechanism and a molecular diagnostic pretreatment device to solve the problem that the side-opening door in the prior art causes the device to occupy a large area during use.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A sliding door mechanism, comprising:
[0007] A door frame, the door frame comprising two vertically extending columns spaced apart in the horizontal direction and a crossbeam disposed between the two columns;
[0008] A slide rail is provided on the column and extends in the vertical direction;
[0009] A slider, which is slidably disposed on the slide rail;
[0010] The door body is connected to the slider and can move between a closed position that closes the doorway enclosed by the door frame and an open position that opens the doorway;
[0011] An elastic component is disposed between the door frame and the door body, and applies an elastic force equal to the weight of the door body to the door body, so that the door body is suspended in an open position and a closed position, as well as any position between the open position and the closed position.
[0012] As an optional technical solution for a sliding door mechanism, the elastic component includes a spiral spring and a rotating member. The rotating member is rotatably connected to the door frame, and the spiral spring is wound around the rotating member, with one end fixedly connected to the rotating member and the other end fixedly connected to the door body.
[0013] As an optional technical solution for a sliding door mechanism, the rotating component is a rotating wheel with a rotating hole. The elastic component also includes a rotating pin and a retaining ring. One end of the rotating pin has an annular groove. The door frame has a pin hole. The rotating pin passes through the pin hole and the rotating hole, and the retaining ring is engaged in the annular groove.
[0014] As an optional technical solution for a sliding door mechanism, the door frame has a mounting groove, and the two side walls of the mounting groove are provided with pin holes. The rotating wheel is located in the mounting groove, and the rotating pin passes through the pin hole on one side wall of the mounting groove, the rotating hole, and the pin hole on the other side wall of the mounting groove in sequence.
[0015] As an optional technical solution for a sliding door mechanism, the elastic component further includes a wear-resistant part, which is located between the mounting groove and the rotating wheel, and is fitted onto the rotating pin through its own wear-resistant hole.
[0016] As an optional technical solution for a sliding door mechanism, the lower sidewall of the opening of the mounting groove has a guide surface, which is inclined outward from top to bottom.
[0017] As an optional technical solution for a sliding door mechanism, the rotating component has a rotating groove, which is arranged around the axis of the rotating wheel; the spiral spring is located in the rotating groove and constrained between the two side walls of the rotating groove; and / or,
[0018] The rotating wheel is made of nylon.
[0019] As an optional technical solution for a sliding door mechanism, the sliding door mechanism has two slide rails and at least two sliders. The two slide rails are parallel to each other and are respectively installed with two columns. At least one slider is slidably arranged on each slide rail, and each side of the door body is connected to at least one slider.
[0020] As an optional technical solution for a sliding door mechanism, the sliding door mechanism also includes a handle, which is disposed on the door body.
[0021] A molecular diagnostic pretreatment device includes a frame and a sliding door mechanism as described in any of the above technical solutions, wherein the door frame is disposed on the frame.
[0022] This utility model has at least the following beneficial effects:
[0023] This utility model provides a sliding door mechanism and a molecular diagnostic pretreatment device. The sliding door mechanism includes a door frame and a door body that is slidably disposed on the door frame via a slider and a slide rail. The door body is slidably disposed in the vertical direction, so that it does not occupy extra space on the side of the device when opened, thus making the molecular diagnostic pretreatment device occupy a small area during use. In addition, through an elastic component disposed between the door frame and the door body, and the elastic component applying an elastic force equal to the weight of the door body to the door body, the door body can be suspended at any position during the opening process, improving the convenience of sample placement. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.
[0025] Figure 1 This is a schematic diagram of the molecular diagnostic pretreatment device in an embodiment of the present invention;
[0026] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;
[0027] Figure 3 for Figure 1 A partially enlarged sectional view at point A in the middle;
[0028] Figure 4 for Figure 1 A magnified view of a section at point B in the middle;
[0029] Figure 5 This is a schematic diagram of the molecular diagnostic pretreatment device with the door hidden in this embodiment of the present invention;
[0030] Figure 6 for Figure 5 A magnified view of a section at point C.
[0031] In the picture:
[0032] 10. Rack;
[0033] 100. Door frame; 110. Post; 111. Mounting groove; 112. Guide surface; 120. Horizontal beam;
[0034] 200. Slide rail;
[0035] 300. Slider;
[0036] 400. Door body; 410. Handle;
[0037] 500, Elastic component; 510, Spiral spring; 520, Rotating component; 521, Rotating groove; 530, Rotating pin; 540, Snap ring; 550, Wear-resistant component. Detailed Implementation
[0038] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.
[0039] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.
[0040] In this application, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.
[0041] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.
[0042] In this application, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the values and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values that do not use relative terms should also be disclosed as specific values with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.
[0043] In this application, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.
[0044] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.
[0045] like Figures 1 to 6As shown, this embodiment provides a sliding door mechanism, which includes a door frame 100, a slide rail 200, a slider 300, a door body 400, and an elastic component 500. The door frame 100 includes two vertically extending columns 110 spaced apart horizontally and a crossbeam 120 located between the two columns 110. The slide rail 200 is mounted on the columns 110 and extends vertically. The slider 300 is slidably mounted on the slide rail 200. The door body 400 is connected to the slider 300. The door frame 100 encloses a door opening, and the door body 400 can move between a closed position (closing the door opening) and an open position (opening the door opening). The elastic component 500 is located between the door frame 100 and the door body 400, and applies an elastic force equal to the weight of the door body 400 to the door body 400, allowing the door body 400 to hover between the open and closed positions, and any position between the open and closed positions.
[0046] The above-mentioned design ensures that the door 400 does not occupy additional space on the side of the equipment when it is opened, thus reducing the footprint of the molecular diagnostic pretreatment equipment. In addition, the elastic component 500 located between the door frame 100 and the door 400 applies an elastic force equal to the weight of the door 400 to it, allowing the door 400 to be suspended at any position during opening, improving the convenience of sample placement.
[0047] In some embodiments, the elastic component 500 includes a spiral spring 510 and a rotating member 520. The rotating member 520 is rotatably connected to the door frame 100. The spiral spring 510 is wound around the rotating member 520, with one end fixedly connected to the rotating member 520 and the other end screwed to the door body 400. The cooperation between the spiral spring 510 and the rotating member 520 provides a stable elastic force to the door body 400, thereby ensuring that the door body 400 can be suspended in any position. Specifically, the spiral spring 510 has a mounting hole, through which a mounting screw passes and is screwed into the mounting screw hole of the door body 400.
[0048] For ease of assembly, in some embodiments, the rotating component 520 is a rotating wheel with a rotating hole. The elastic component 500 also includes a rotating pin 530 and a retaining ring 540. One end of the rotating pin 530 has an annular groove, and the door frame 100 has a pin hole. The rotating pin 530 passes through the pin hole and the rotating hole, and the retaining ring 540 is engaged in the annular groove. This arrangement allows the rotating pin 530 and the door frame 100 to remain stationary, thereby reducing wear on the door frame 100 and improving durability. Furthermore, the rotating wheel is made of nylon, which helps to ensure its own strength while reducing friction with the rotating pin 530, thus ensuring smooth rotation of the rotating wheel relative to the rotating pin 530.
[0049] In other embodiments, a bearing is provided between the rotating wheel and the rotating pin 530, wherein the inner ring of the bearing is fixed to the rotating pin 530, and the outer ring of the bearing is fixed to the rotating wheel. To ensure the stability of the rotating wheel under force during rotation, two bearings are provided, spaced apart and located at both ends of the rotating wheel along its own axis.
[0050] To prevent external impurities from affecting the rotation of the rotating wheel, the door frame 100 has a mounting groove 111. Both side walls of the mounting groove 111 have pin holes. The rotating wheel is located in the mounting groove 111, and the rotating pin 530 passes sequentially through the pin hole on one side wall of the mounting groove 111, the rotating hole, and the pin hole on the other side wall of the mounting groove 111. The mounting groove 111 protects the rotating wheel, preventing its rotation from being affected and ensuring smooth rotation; at the same time, it also prevents impurities from entering the spiral spring 510, ensuring the reliability of the elastic force. The mounting groove 111 is located on the column 110.
[0051] To prevent friction between the rotating wheel and the sidewall of the mounting groove 111, in some embodiments, the elastic component 500 further includes a wear-resistant part 550. The wear-resistant part 550 is located between the mounting groove 111 and the rotating wheel, and is fitted onto the rotating pin 530 through its own wear-resistant holes. There are two wear-resistant parts 550, one on each side of the rotating wheel. The wear-resistant parts 550 are made of POM material.
[0052] To prevent the spiral spring 510 from rubbing against the bottom of the mounting groove 111 during the winding and unfolding process, in some embodiments, the lower sidewall at the opening of the mounting groove 111 has a guide surface 112, which is inclined outward from top to bottom to avoid the spiral spring 510, thereby avoiding interference and rubbing between the spiral spring 510 and the spiral spring 510.
[0053] In some embodiments, the rotating member 520 has a rotating groove 521, which is arranged around the axis of the rotating wheel; the spiral spring 510 is located in the rotating groove 521 and constrained between the two side walls of the rotating groove 521 to prevent the spiral spring 510 from moving axially, so that the spiral spring 510 is always located in the rotating groove 521 during the rotation process, avoiding scraping with the side wall of the mounting groove 111, and improving the safety of the spiral spring 510 during the winding and unfolding process.
[0054] The rotating wheel is made of nylon to ensure its own strength while minimizing friction with the spiral spring 510, thus preventing friction from causing the spiral spring 510 to jam.
[0055] To ensure the balance of forces during the lifting and lowering of the door 400, in some embodiments, the sliding door mechanism has two slide rails 200 and at least two sliders 300. The two slide rails 200 are parallel to each other and are respectively installed corresponding to two columns 110. At least one slider 300 is slidably mounted on each slide rail 200, and at least one slider 300 is connected to each side of the door 400. The presence of two sliders 300 slidably mounted on each slide rail 200 and two sliders 300 fixed on one side of the door 400 makes the force on the door 400 more stable and improves the connection stability between the door 400 and the door frame 100. The slider 300 has a dovetail groove in its cross-section, and the cross-section of the slide rail 200 matches the cross-section of the slider 300.
[0056] To improve the stability of the door 400 under elastic force, in some embodiments, two elastic components 500 are provided, and the two elastic components 500 are respectively provided on both sides of the door 400. Among them, the two rotating pins 530 of the two elastic components 500 are connected to the two uprights 110.
[0057] To facilitate dragging the door 400 to open or close the doorway, in some embodiments, the sliding door mechanism further includes a handle 410, which is located at the bottom of the door 400. The handle 410 extends horizontally for easy gripping and applying force.
[0058] In some embodiments, the door 400 is made of acrylic to reduce its weight. Furthermore, the door 400 is made of a transparent or translucent material to allow users to observe the internal workings.
[0059] This embodiment also provides a molecular diagnostic pretreatment device, including a frame 10 and the sliding door mechanism in the above embodiment, with the door frame 100 disposed on the frame 10.
[0060] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A sliding door mechanism, characterized in that, include: A door frame (100) includes two vertically extending columns (110) spaced apart in the horizontal direction and a crossbeam (120) disposed between the two columns (110); A slide rail (200) is provided on the column (110) and extends in the vertical direction; A slider (300) is slidably disposed on the slide rail (200); The door body (400) is connected to the slider (300) and can move between a closed position that closes the doorway enclosed by the door frame (100) and an open position that opens the doorway; An elastic component (500) is disposed between the door frame (100) and the door body (400) and applies an elastic force equal to the weight of the door body (400) to the door body (400) so that the door body (400) is suspended in an open position and a closed position and any position between the open position and the closed position.
2. The sliding door mechanism according to claim 1, characterized in that, The elastic component (500) includes a spiral spring (510) and a rotating member (520). The rotating member (520) is rotatably connected to the door frame (100). The spiral spring (510) is wound around the rotating member (520), with one end fixedly connected to the rotating member (520) and the other end fixedly connected to the door body (400).
3. The sliding door mechanism according to claim 2, characterized in that, The rotating component (520) is a rotating wheel with a rotating hole. The elastic component (500) also includes a rotating pin (530) and a retaining ring (540). One end of the rotating pin (530) has an annular groove. The door frame (100) has a pin hole. The rotating pin (530) passes through the pin hole and the rotating hole. The retaining ring (540) is engaged in the annular groove.
4. The sliding door mechanism according to claim 3, characterized in that, The door frame (100) has a mounting groove (111), and the mounting groove (111) has pin holes on both side walls. The rotating wheel is located in the mounting groove (111), and the rotating pin (530) passes through the pin hole, the rotating hole and the pin hole on the other side wall of one of the mounting grooves (111) in sequence.
5. The sliding door mechanism according to claim 4, characterized in that, The elastic component (500) also includes a wear-resistant component (550), which is located between the mounting groove (111) and the rotating wheel, and is fitted onto the rotating pin (530) through its own wear-resistant hole.
6. The sliding door mechanism according to claim 4, characterized in that, The lower sidewall of the opening of the mounting groove (111) has a guide surface (112), which is inclined outward from top to bottom.
7. The sliding door mechanism according to claim 3, characterized in that, The rotating component (520) has a rotating groove (521) arranged around the axis of the rotating wheel; the spiral spring (510) is located in the rotating groove (521) and constrained between the two side walls of the rotating groove (521); and / or, The rotating wheel is made of nylon.
8. The sliding door mechanism according to any one of claims 1-7, characterized in that, The sliding door mechanism has two slide rails (200) and at least two sliders (300). The two slide rails (200) are parallel to each other and are respectively installed with two columns (110). At least one slider (300) is slidably arranged on each slide rail (200). Each side of the door body (400) is connected to at least one slider (300).
9. The sliding door mechanism according to any one of claims 1-7, characterized in that, The sliding door mechanism also includes a handle (410), which is disposed on the door body (400).
10. Molecular diagnostic pretreatment equipment, characterized in that, Includes a frame (10) and a sliding door mechanism as described in any one of claims 1-9, wherein the door frame (100) is disposed on the frame (10).