Adjustable dustproof assembly

Abstract

The utility model discloses an adjustable dustproof assembly, which is matched with a dustproof cover for use, the dustproof cover is provided with a strip-shaped hole for liquid to pass through, the adjustable dustproof assembly comprises a baffle plate piece, a baffle plate, a baffle plate, a baffle plate, a baffle plate and a baffle plate, the baffle plate piece is provided with a through hole and is movably positioned between the dustproof cover and a collecting arm of a purification instrument; the supporting rail piece is arranged on the dust cover and provides a moving foundation for the baffle piece, the baffle piece moves to enable the through hole in the baffle piece to partially coincide with the strip-shaped open hole, the coincidence area vertically corresponds to the liquid outlet in the collecting arm, and except for the coincidence area, other areas of the strip-shaped open hole are shielded by the baffle piece; the dust cover is simple in structure, can be matched with the dust cover of the purifier collector for use, effectively reduces the possibility that a sample is in contact with the outside under the condition that solution collection is not influenced, and improves the dust-proof effect of the dust cover.

Description

Technical Field

[0001] This utility model belongs to the field of biological laboratory equipment technology, specifically relating to an adjustable dustproof component. Background Technology

[0002] The dust cover of the collector in existing purification instruments has large openings, resulting in poor dust protection, which directly affects the purity of subsequent solution samples. If the collected solution samples are contaminated with dust, it may adversely affect the properties of biomolecules, the significance and reproducibility of experimental results, and the lifespan of experimental equipment. Taking protein solutions as an example, impurity proteins such as keratin in dust will generate signals in mass spectrometry analysis, causing the loss of information on low-abundance proteins; impurities in dust may also cause impaired protein function and decreased solution stability.

[0003] Currently available commercially available purification instruments typically use dust covers with openings directly below all possible points where effluent might drip, i.e., below the entire movement path of the collection arm. However, during solution collection, an opening directly below the collection arm is sufficient to collect the effluent. While opening below the entire movement path is technically simple to manufacture, large openings are detrimental to maintaining effective dust protection.

[0004] There are currently no dustproof components available on the market that can be used in conjunction with dust covers.

[0005] Therefore, how to provide a dustproof component that is highly flexible, has good dustproof effect, and can be applied to the dust cover of the collector of existing purification instruments is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] In view of this, the present invention provides an adjustable dustproof component suitable for the dust cover of existing purification instrument collectors. It improves the dustproof effect without affecting the normal collection of effluent.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable dustproof component, used in conjunction with a dustproof cover, wherein the dustproof cover is provided with a strip-shaped opening for liquid passage, comprising: a baffle member, wherein the baffle member is provided with a through hole and is movably located between the dustproof cover and the collecting arm of the instrument;

[0008] A support rail is provided on the dust cover and provides a basis for the movement of the baffle. The movement of the baffle causes the through hole on it to partially overlap with the strip opening, and the overlapping area corresponds vertically to the liquid outlet on the collecting arm. Except for the overlapping area, the other areas of the strip opening are blocked by the baffle.

[0009] The beneficial effects of this invention are as follows: This product can be used with a dust cover. The elongated opening on the dust cover has a large area, which is not conducive to maintaining the dustproof effect. This invention is equipped with a baffle. The through hole on the baffle partially overlaps with the elongated opening on the dust cover. The overlapping area corresponds vertically to the liquid outlet of the collecting arm. Other parts of the baffle can cover the other parts of the elongated opening of the dust cover except for the overlapping area. Therefore, this invention can reduce the exposed area of ​​the elongated opening without affecting the normal collection of the solution, thereby reducing the possibility of the sample coming into contact with the outside world and improving the dustproof effect.

[0010] Preferably, the support rail is a rotating shaft or a slide rail.

[0011] The resulting technical effect is that the support rail of this utility model has a variety of structural forms to facilitate the movement of the baffle, typically a rotating shaft or a slide rail, which can be selected arbitrarily according to the specific needs.

[0012] Preferably, when the support rail is a rotating shaft, the support rail is fixedly connected to the dust cover, the baffle is movably connected to the support rail and rotates based on the fixed axis of the support rail, the width of the through hole is greater than the width of the liquid outlet of the collecting arm, and the through hole forms a fan-shaped annular path area when it rotates with the baffle, and the fan-shaped annular path area covers the strip opening.

[0013] The resulting technical effect is that when the support rail is a rotating shaft, the movement of the baffle is a fixed-axis rotation. The through hole on the baffle has a path area that can cover the strip opening. This ensures that any area of ​​the strip opening can coincide with the through hole and receive the solution from the outlet of the collecting arm, without being blocked by the baffle. The width of the through hole is greater than the width of the outlet of the collecting arm, which ensures that the liquid is not restricted or interfered with during discharge.

[0014] Preferably, the baffle is a fan-shaped structure, the support rail is movably connected to the region near the apex of the fan-shaped baffle, and the through hole on the baffle is an elongated through hole.

[0015] The resulting technical effect is that the baffle can be a fan-shaped structure, and the support rail is connected to the area near the apex of the fan. In this case, the center of the fan-shaped annular area is close to the center of the baffle, which helps to reduce the size of the baffle while ensuring that the fan-shaped annular area covers the strip opening, making it easier to use. If there are special requirements, the baffle can also be other irregular structural parts. The connection position of the support rail can be adjusted as needed. The long strip opening has a certain length range, which can always coincide with the strip opening when the baffle rotates, so as to smoothly pass through the solution. The main body area of ​​the baffle is relatively large, which ensures that the baffle has a sufficient shielding range, thereby achieving the shielding of the strip opening of the dust cover in the predetermined area. Under the condition of meeting the shielding requirements, the support rail can be fixed to multiple areas on the dust cover, which is convenient for users to choose and install themselves.

[0016] Preferably, the support rail can be fixedly connected to the dust cover along the extension line corresponding to the strip opening. The central angle β1 of the fan-shaped baffle is 60°≤β1≤90°. During the collection process, the angle α between the through hole and the strip opening is 10°≤α≤90°. The distance between the support rail and the through hole is ≤ the distance between the support rail and the near end of the strip opening, and the distance between the support rail and the far end of the through hole is ≥ the distance between the support rail and the far end of the strip opening. During the collection process, the through hole and the strip opening partially overlap, and the overlapping area corresponds vertically to the liquid outlet on the collection arm.

[0017] The resulting technical advantage is that, in this scenario where the baffle rotates on a fixed axis and the support rail is fixed on the extension line of the strip opening, the distance between the support rail and the near end of the strip opening can be adjusted to allow the same dustproof component to be adapted to various models of dust covers. This provides flexibility, versatility, and convenient installation.

[0018] During the collection process, as the overlapping position moves from the near edge to the near center of the strip opening, the angle α between the through hole and the strip opening continuously increases. By limiting this angle α to 10°≤α≤90°, the overlap between the through hole and the strip opening is ensured to be less than excessive, thus preventing the baffle from affecting its shielding effect. The central angle β1 of the baffle, 60°≤β1≤90°, ensures that the baffle has a sufficient shielding range without being too large, meeting the shielding requirements of the strip opening at different positions during the collection process while maintaining ease of use.

[0019] Preferably, the support rail is fixedly connected to the vertical bisector of the strip opening on the dust cover; the central angle β2 of the baffle is 120°≤β2≤160°; the through hole is opened on the axis of symmetry of the baffle; during collection, the angle α between the through hole and the strip opening is 10°≤α≤90°; the distance between the proximal end of the through hole and the support rail is ≤ the distance between the support rail and the straight line containing the strip opening; the distance between the distal end of the through hole and the support rail is ≥ the distance between the support rail and both ends of the strip opening; during collection, the through hole and the strip opening partially overlap, and the overlapping area corresponds vertically to the liquid outlet on the collection arm.

[0020] The resulting technical effect is as follows: In this case, the baffle rotates on a fixed axis, and the support rail is fixed on the vertical bisector of the strip opening. By adjusting the distance between the support rail and the line containing the strip opening, the same dustproof component can be adapted to various types of dust covers, making it flexible, versatile, and easy to install. The angle between the through hole and the line containing the strip opening is α. Limiting this angle α to 10°≤α≤90° ensures that the overlap between the through hole and the strip opening is not too large, thus affecting the shielding effect of the baffle. The central angle β2 of the baffle is 120°≤β2≤160°, allowing the baffle to effectively shield the strip opening at different positions during rotation.

[0021] Preferably, when the supporting rail is a slide rail, the baffle is a strip structure, the supporting rail is provided with a rail groove for the baffle to slide, the supporting rail is fixed on both sides of the strip opening extending in the radial direction on the dust cover, and the width of the through hole on the baffle is greater than the width of the liquid outlet of the collecting arm.

[0022] The resulting technical effect is that the solution is a sliding baffle, in which case the baffle is strip-shaped and moves along the slide rail, keeping the through hole below the liquid outlet of the collecting arm. It is easy to adjust and simple to use. When the sliding of the baffle ensures that the through hole and the strip opening are partially overlapped for smooth liquid collection, the other areas of the strip opening can be completely covered by the baffle to reduce the exposed area.

[0023] Preferably, the baffle is an arc-shaped strip structure or a rectangular strip structure.

[0024] The resulting technical effect is that the shapes of the strip openings on different models of dust covers are different, and they may be arc-shaped or rectangular. The baffles of the corresponding shapes can be selected according to the shape of the strip openings, which is convenient for adjustment. Whether the strip structure is arc-shaped or rectangular, its main body must cover the strip openings on the dust cover, and only a local area overlaps with the through holes on the baffles to collect the solution.

[0025] Preferably, one end of the baffle is fixed to the connecting member, and the other end of the connecting member is movably connected to the collecting arm, so that the baffle moves with the collecting arm through the connecting member.

[0026] The resulting technical effect is that, in order to achieve movement control of the baffle, a connection between the baffle and the collecting arm is established through the connecting part, so that the baffle moves with the collecting arm. At this time, there is no need to manually adjust the position of the baffle, realizing automatic adjustment of the device, saving manpower, and making it convenient and easy to use.

[0027] Preferably, the other end of the connector is connected to the collecting arm via a fisheye connector.

[0028] The resulting technical effect is that non-rigid connections can increase the connection redundancy of the connectors. By connecting with fisheye connectors with ball joint structures, the coordination between the fixed-axis rotation of the collecting arm and the movement of the baffle can be ensured. This makes it suitable for different dust covers with slight deviations in shape and design. Attached Figure Description

[0029] Figure 1 This is an application diagram of Embodiment 1 of the present utility model;

[0030] Figure 2 This is a diagram illustrating the formation process of the fan-shaped annular path region in Example 1;

[0031] Figure 3 This is an application state diagram of Example 1;

[0032] Figure 4 This is a diagram illustrating the formation process of the fan-shaped annular path region in Example 2;

[0033] Figure 5 This is an application state diagram for Example 2;

[0034] Figure 6 This is a top view of Example 3;

[0035] Figure 7 This is a three-dimensional structural diagram of Example 3;

[0036] Figure 8 This is an application diagram of Example 3.

[0037] 1. Dust cover, 2. Strip opening, 3. Baffle, 4. Collection arm, 5. Support rail, 6. Through hole, 7. Connector, 8. Fan-shaped annular area. Detailed Implementation

[0038] 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.

[0039] Example 1

[0040] See appendix to this utility model Figure 1-3 This embodiment is a form of baffle component rotating on a fixed axis to block the strip opening. This utility model embodiment is an adjustable dustproof component, used in conjunction with dust cover 1. The dust cover 1 is provided with a strip opening 2 for liquid passage. It should be noted that the strip opening 2 on the dust cover 1 can be a rectangular opening or an arc opening. Whether it is a rectangular opening or an arc opening, its opening range must be within the path of the fixed axis rotation of the collecting arm 4, that is, the solution flowing out of the liquid outlet on the collecting arm can enter the liquid collection tube of the tray through the strip opening 2 of the dust cover 1.

[0041] Specifically, this product includes: a baffle 3, which has a through hole 6 and is movably located between the dust cover 1 and the collection arm 4 of the purification instrument; in this embodiment, the baffle 3 is a fan-shaped component, and its movement mode is fixed-axis rotation.

[0042] Support rail 5 is mounted on dust cover 1 and provides a base for the movement of baffle 3. Support rail 5 is a pivot. The movement (rotation) of baffle 3 causes the through hole 6 on it to partially overlap with the strip opening 2, and the overlapping area corresponds vertically to the solution outlet on the collecting arm 4. Specifically, a connecting hole is opened on the baffle 3 near the apex of the fan shape. Support rail 5 passes through the connecting hole and dust cover 1 and is rotatably connected in the connecting hole. The bottom end of support rail 5 is fixedly connected to dust cover 1. The through hole 6 on baffle 3 is a long strip through hole. This ensures that when baffle 3 rotates, the overlapping area of ​​the through hole 6 on it and the strip opening 2 on dust cover 1 can be continuously offset.

[0043] It should be noted that in this embodiment, the axis of rotation of the baffle 3 is located on the extension line of the strip opening 2 towards the collecting arm 4. In specific applications, the baffle 3 and the through hole 6 must meet the following requirements: Figure 3As shown, the central angle β1 of the baffle 3 is 60°≤β1≤90°, the angle α between the through hole 6 and the strip opening 2 during the collection process is 10°≤α≤90°, the distance between the support rail 5 and the straight line containing the through hole 6 is ≤ the distance between the support rail 5 and the near end of the strip opening 2, and the distance between the support rail 5 and the far end of the through hole 6 is ≥ the distance between the support rail 5 and the far end of the strip opening 2. This ensures that when the baffle 3 rotates on a fixed axis, the through hole 2 on it always partially overlaps with the strip opening, so as to realize the smooth collection process of the subsequent solution. At the same time, the non-overlapping position is fully blocked, thereby improving the dust prevention effect.

[0044] As the baffle 3 rotates around the support rail 5 (rotating shaft), the through hole 6 is located at different positions above the dust cover 1. During solution collection, the overlap between the through hole 6 and the strip opening 2 is always located below the liquid outlet of the collecting arm 4. In this way, by blocking the strip opening 2 with the baffle 3, the dustproof effect of the dust cover 1 can be improved without affecting solution collection.

[0045] Example 2

[0046] Reference Appendix Figure 4-5 Unlike Embodiment 1, the axis of rotation of the baffle 3 has changed, that is, the mounting position of the support rail 5 has changed. Its fixed axis position is on the vertical bisector of the strip opening 2. In other words, the support rail 5 is installed on the vertical bisector of the strip opening 2. In Embodiment 2, the rotation of the baffle 3 causes the through hole 6 to overlap with the strip opening 2 on the dust cover 1 in only a local area. This overlapping area is the dripping position of the solution outlet of the collecting arm 4. Thus, by blocking the strip opening 2 with the baffle 3, the dustproof effect of the dust cover 1 can be improved without affecting the solution collection.

[0047] In this embodiment, the baffle 3 and the through hole 6 must meet the following requirements: Figure 5 As shown: the central angle β2 of the baffle 3 is 120°≤β2≤160°, the through hole 6 is opened on the axis of symmetry of the baffle 3, the angle α between the through hole 6 and the strip opening 2 during the collection process is 10°≤α≤90°, the distance between the proximal end of the through hole 6 and the support rail 5 is ≤ the distance between the support rail 5 and the straight line of the strip opening 2, and the distance between the distal end of the through hole 6 and the support rail 5 is ≥ the distance between the support rail 5 and the two ends of the strip opening 2. This situation can ensure that when the through hole 6 rotates with the baffle 3, there will always be a local overlap with the through hole 6 in the entire range of the strip opening 2, so as to facilitate the smooth collection of the solution later.

[0048] In this case, "near end" and "far end" are relative to the supporting rail components.

[0049] For example, before solution collection begins, the overlapping areas of the outlet, through-hole 6, and strip opening 2 of the collecting arm 4 are close to the edge of the dust cover 1, while the non-overlapping areas of the strip opening 2 are effectively blocked. During solution collection, as the collecting arm 4 gradually moves towards the center of the dust cover 1, the baffle 3 can be rotated so that the overlapping areas of the through-hole 6 and strip opening 2 on the baffle 3 also move towards the center of the dust cover 1, with the overlapping area always located below the outlet. In this way, by blocking the strip opening 2 with the baffle 3, the dustproof effect of the dust cover 1 can be improved without affecting solution collection.

[0050] It should be noted that the axis of rotation of the baffle 3 is not limited to the extension line and the vertical bisector of the strip opening 2, but can also be other areas of the dust cover 1.

[0051] Example 3

[0052] Reference Appendix Figure 6-8 Unlike Embodiments 1 and 2, the supporting rail 5 and the baffle 3 have changed their structural forms. The baffle 3 is a translational sliding form instead of the fixed-axis rotation form of Embodiments 1 and 2. In this embodiment, the baffle 3 is a strip-shaped structural member, and the supporting rail 5 is provided with a rail groove for the baffle 3 to slide. The supporting rail 5 is fixed on both sides of the corresponding strip opening 2 of the dust cover 1 extending in the radial direction. The width of the through hole 6 on the baffle 3 is greater than the width of the liquid outlet of the collecting arm 4. The through hole 6 on the baffle 3 is a circular hole.

[0053] It should be noted that there are various forms of support rail 5. The support rail used in this embodiment is a double rail that extends in parallel along the radial direction. The baffle 3 is a rectangular strip structure and is located above the strip opening 2.

[0054] As the baffle 3 moves along the slide rail, the through hole 6 is located at different positions above the dust cover 1. During solution collection, the overlapping area of ​​the through hole 6 of the baffle 3 and the strip opening 2 is always located below the outlet of the collection arm 4. In this way, by blocking other areas of the strip opening 2 through the baffle 3, the dustproof effect of the dust cover 1 can be improved without affecting solution collection.

[0055] In addition, the baffle 3 can also be an arc-shaped strip structure, which is suitable for the arc-shaped strip opening 2 on the dust cover 1. Then the corresponding support rail 5 also needs to provide an arc-shaped rail groove. Regardless of the form of the baffle 3, it can cover most of the strip opening 2 of the dust cover 1. The remaining small part coincides with the through hole 6 on the baffle 3 to realize the normal collection of solution by the collecting arm 4. The inner diameter of the through hole 6 on the baffle 3 is larger than the inner circle radius of the strip opening 2 on the dust cover 1 to ensure the smooth drip collection of the solution.

[0056] To improve the responsiveness of the baffle component, a connector 7 is fixed to the baffle component 3. The other end of the connector 7 is non-rigidly connected to the collection arm 4 via a fisheye connector with a ball joint structure. The baffle component 3 can move with the collection arm 4 through the connector 7, achieving automatic adjustment of the dustproof component without supervision. Before the collection process begins, the liquid outlet of the collection arm 4 and the through hole 6 of the baffle component 3 are both directly above the inlet of the first centrifuge tube. During the collection process, the centrifuge tube rack rotates according to the set program, and the collection arm 4 gradually moves towards the center area of ​​the dust cover 1. The baffle component 3, driven by the connector 7, also moves along the slide rail towards the center area of ​​the dust cover 1. The through hole 6 on the baffle component 3 is always below the liquid outlet of the collection arm 4. That is, by blocking other areas of the strip opening 2 on the dust cover 1 by the baffle component 3, the dustproof effect of the dust cover can be improved without affecting the solution collection.

[0057] In both Embodiment 1, Embodiment 2, and Embodiment 3, the baffle 3 can be moved or its position adjusted to partially block the strip opening 2 of the existing dust cover 1, thereby improving its dustproof effect. It can be adapted to experimental instruments such as protein purification instrument collectors, meeting the sample dustproof requirements in the field of biotechnology.

[0058] The apparatus and methods disclosed in the embodiments are described simply because they correspond to the methods disclosed in the embodiments. For relevant details, please refer to the method section.

[0059] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable dustproof assembly for use with a dust cover (1), the dust cover (1) having strip-shaped openings (2) for liquid passage, characterized in that, include: A baffle (3) is provided with a through hole (6) and is movably located between the dust cover (1) and the instrument's collecting arm (4); A support rail (5) is provided on the dust cover (1) and provides a base for the movement of the baffle (3). The movement of the baffle (3) causes the through hole (6) on it to partially overlap with the strip opening (2) and the overlapping area corresponds vertically to the liquid outlet on the collecting arm (4). Except for the overlapping area, the other areas of the strip opening (2) are covered by the baffle (3).

2. The adjustable dustproof component according to claim 1, characterized in that, The supporting rail (5) is a rotating shaft or a slide rail.

3. An adjustable dustproof component according to claim 2, characterized in that, When the support rail (5) is a rotating shaft, the support rail (5) is fixedly connected to the dust cover (1), the baffle (3) is movably connected to the support rail (5) and rotates based on the support rail (5) on a fixed axis, the width of the through hole (6) is greater than the width of the liquid outlet of the collecting arm (4), and the through hole (6) forms a fan-shaped annular path area (8) when it rotates with the baffle (3), and the fan-shaped annular path area (8) covers the strip opening (2).

4. An adjustable dustproof component according to claim 3, characterized in that, The baffle (3) has a fan-shaped structure, and the support rail (5) is movably connected to the area near the apex of the fan-shaped baffle (3). The through hole (6) on the baffle (3) is an elongated through hole.

5. An adjustable dustproof assembly according to claim 4, characterized in that, The support rail (5) is fixedly connected to the extension line of the strip opening (2). The central angle of the baffle (3) is β1, 60°≤β1≤90°. During the collection process, the angle formed by the through hole (6) and the strip opening (2) is α, 10°≤α≤90°. The distance between the support rail (5) and the through hole (6) is ≤ the distance between the support rail (5) and the near end of the strip opening (2). The distance between the support rail (5) and the far end of the through hole (6) is ≥ the distance between the support rail (5) and the far end of the strip opening (2). During the collection process, the through hole (6) and the strip opening (2) partially overlap, and the overlapping area corresponds vertically to the liquid outlet on the collection arm (4).

6. An adjustable dustproof assembly according to claim 4, characterized in that, The support rail (5) is fixedly connected to the vertical bisector of the strip opening (2) on the dust cover (1). The central angle of the baffle (3) is β2, and 120°≤β2≤160°. The through hole (6) is opened on the axis of symmetry of the baffle (3). During the collection process, the angle formed by the through hole (6) and the strip opening (2) is α, and 10°≤α≤90°. The distance between the near end of the through hole (6) and the support rail (5) is ≤ the distance between the support rail (5) and the strip opening (2) on the straight line. The distance between the far end of the through hole (6) and the support rail (5) is ≥ the distance between the support rail (5) and the two ends of the strip opening (2). During the collection process, the through hole (6) and the strip opening (2) partially overlap, and the overlapping area corresponds vertically to the liquid outlet on the collection arm (4).

7. An adjustable dustproof component according to claim 2, characterized in that, When the supporting rail (5) is a slide rail, the baffle (3) is a strip structure. The supporting rail (5) is provided with a rail groove for the baffle (3) to slide. The supporting rail (5) is fixed on both sides of the strip opening (2) on the dust cover (1) extending in the radial direction.

8. An adjustable dustproof assembly according to claim 7, characterized in that, The baffle (3) is an arc-shaped strip structure or a rectangular strip structure.

9. An adjustable dustproof assembly according to any one of claims 7-8, characterized in that, One end of the connecting member (7) is fixed on the baffle (3), and the other end of the connecting member (7) is movably connected to the collecting arm (4). The baffle (3) moves with the collecting arm (4) through the connecting member (7).

10. An adjustable dustproof assembly according to claim 9, characterized in that, The other end of the connector (7) is connected to the collecting arm (4) by a fisheye connector.

Images