Container sealing device, container sealing equipment and sealing performance testing method

Abstract

The invention provides a container sealing device, container sealing equipment and a sealing performance testing method, and relates to the technical field of experimental equipment. The container sealing device comprises a base, a cover plate, a sealing piece and a sleeve assembly, the base is used for fixing a container, one side of the cover plate is connected with the sealing piece, and the sealing piece is used for sealing the container when the cover plate covers the base; the sleeve assembly comprises a sleeve, a fastening piece and an elastic piece, at least part of the fastening piece and the elastic piece are contained in the sleeve, the end, close to the base, of the fastening piece penetrates through the cover plate and the sealing piece to be detachably connected with the base, the end, away from the base, of the fastening piece is provided with an abutting portion, and the fastening piece is sleeved with the elastic piece. The two ends of the elastic piece abut against the abutting portion and the surface, opposite to the sealing piece, of the cover plate respectively. According to the container sealing device, at least part of the fastening piece and the elastic piece are contained in the sleeve, the stability of the positions of the fastening piece and the elastic piece is improved, and the sealing efficiency and the automation integration degree of the container sealing device can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of experimental equipment, and in particular to a container sealing device, a container sealing device and a sealing test method. Background Art

[0002] Container sealing devices are usually used to seal multiple reaction containers at the same time, so that parallel reactions and parallel synthesis experiments can be carried out in multiple reaction containers to explore reaction routes, optimize conditions, and explore efficient synthesis in synthetic chemistry research and development. Container sealing devices are suitable for modern reaction synthesis scientific research that requires strict system airtightness, wide temperature control range, accurate temperature control accuracy, and good repeatability.

[0003] In the related art, the reaction container is generally sealed by manually tightening the fastening screws on the container sealing device. When the fastening screws are loosened to unseal the reaction container, the fastening screws are easily lost, which affects the next sealing use and leads to poor sealing efficiency. In addition, it is not conducive to automated integration. Summary of the invention

[0004] The purpose of the present application is to provide a container sealing device, a container sealing equipment and a sealing test method, which solve the problem of low sealing efficiency and low automation integration of the container sealing device.

[0005] To achieve the purpose of this application, this application provides the following technical solutions:

[0006] In the first aspect, the present application provides a container sealing device, comprising: a base, provided with a limiting portion, the limiting portion is used to fix the container; a cover plate, the cover plate having a first mounting hole; a sealing member connected to a surface on one side of the cover plate, the sealing member having a second mounting hole, the second mounting hole being communicated with the first mounting hole, the sealing member being used to close the opening of the container when the cover plate is covered on the base; a sleeve assembly, comprising a sleeve, a fastener and an elastic member, the sleeve being connected to a surface of the cover plate facing away from the sealing member, the sleeve being communicated with the first mounting hole, at least part of the fastener and the elastic member being accommodated in the sleeve, an end of the fastener close to the base passing through the first mounting hole and the second mounting hole and being detachably connected to the base, an end of the fastener away from the base having an abutment portion, the elastic member being sleeved on the outer periphery of the fastener, and both ends of the elastic member respectively abutting against the abutment portion and the surface of the cover plate facing away from the sealing member.

[0007] The container sealing device provided by the present application includes a cover plate and a base, the cover plate and the base are detachably connected, the base is provided with a limiter, the limiter is used to fix the container, the surface of the cover plate facing the base is connected with a seal, the seal is used to seal the container when the cover plate covers the base, and the cover plate and the base are connected to achieve sealing and fixing of the container. The surface of the cover plate facing away from the sealer is connected with a sleeve assembly, the sleeve assembly includes a sleeve, a fastener and an elastic member, the fastener is detachably connected to the base, thereby achieving a detachable connection between the cover plate and the base, and the elastic member is sleeved on the periphery of the fastener to promote the release of the mating connection between the fastener and the base. In the process of releasing the mating connection between the fastener and the base, the elastic member applies an elastic force from the base to the cover plate to the fastener, assisting in the release of the mating connection between the fastener and the base, which is conducive to improving the efficiency of the container sealing device in unsealing the container.

[0008] At the same time, the sleeve is used to accommodate fasteners and elastic parts, which limits the position of fasteners and elastic parts, ensures the stability of the positions of fasteners and elastic parts, avoids the problem of fasteners tilting during the connection process with the base, and needs to adjust the fasteners multiple times, which is conducive to improving the sealing efficiency of the container sealing device for the container; it also avoids the fasteners tilting during the connection process with the base, causing the cover plate to tilt during the connection process with the base, which is conducive to improving the sealing effect of the container sealing device on the container. In addition, when the fastener is disconnected from the base, the fastener is limited in the sleeve, without the need for additional storage, and there is no need to worry about losing it, which improves the sealing efficiency and is conducive to automated integration.

[0009] In one embodiment, the sleeve includes a sleeve body and a fixing portion, the fixing portion is connected to an outer peripheral surface of the sleeve body, the sleeve body is communicated with the first mounting hole, and the fixing portion is detachably connected to the cover plate.

[0010] In one embodiment, the sleeve assembly further includes a limit cover, which is connected to an end of the sleeve facing away from the cover plate, and has an operating hole, which is opposite to the fastener, and the size of the operating hole is smaller than the size of the abutment portion.

[0011] In one embodiment, there are multiple sleeve assemblies, and the multiple sleeve assemblies are evenly distributed on the surface of the cover plate; there are multiple limiting portions, and the multiple limiting portions are distributed in an array on the base, and each limiting portion corresponds to fixing one container.

[0012] In one embodiment, the base has a fastening fitting, and one end of the fastening fitting close to the base passes through the first mounting hole and the second mounting hole and is connected to the fastening fitting so that the cover plate is detachably connected to the base.

[0013] In one embodiment, the cover plate has a first positioning member, which is located on a side of the cover plate facing the base, and the base has a second positioning member, which is located on a side of the base facing the cover plate, and the first positioning member and the second positioning member are detachably connected.

[0014] In one embodiment, the container sealing device further comprises a support member, one end of which is connected to one of the cover plate and the base, and when the cover plate is connected to the base, the other end of the support member abuts against the other of the cover plate and the base.

[0015] In one embodiment, the support member includes a rigid portion and an elastic portion connected to each other, one of the base and the cover is connected to the rigid portion, and the other abuts against the elastic portion.

[0016] In one embodiment, the elastic portion is truncated cone-shaped, and the area of ​​the surface of the elastic portion away from one end of the rigid portion is smaller than the area of ​​the surface of the elastic portion connected to the rigid portion.

[0017] In one embodiment, the cover plate has a first pressure relief hole, and a distribution area of ​​the first pressure relief hole at least partially overlaps with an orthographic projection area of ​​the sealing member on the cover plate.

[0018] In one embodiment, the container sealing device further includes a first fitting member and a second fitting member, wherein the first fitting member is disposed on a side of the cover plate facing the sealing member, and the second fitting member is connected to a side of the sealing member facing the cover plate, and the first fitting member and the second fitting member are detachably connected.

[0019] In one embodiment, the first matching piece is a magnet, and the second matching piece is an iron sheet.

[0020] In one embodiment, the seal includes a high-viscosity portion and a low-viscosity portion connected to each other, the high-viscosity portion and the low-viscosity portion are stacked, the high-viscosity portion is connected to the cover plate, and the low-viscosity portion is used to close the opening of the container when the cover plate covers the base.

[0021] In one embodiment, the thickness of the high-viscosity portion is greater than the thickness of the low-viscosity portion; the thickness of the high-viscosity portion is 3-8 mm, and the thickness of the low-viscosity portion is 0.05 mm-0.2 mm.

[0022] In one embodiment, the high-viscosity portion is made of silicone material, and the low-viscosity portion is made of PFA material.

[0023] In one embodiment, the base includes a shell and a limit plate, the limit plate is located on a side of the shell close to the cover plate, the limit plate and the shell are detachably connected, the limit plate has the limit portion, the limit portion is used to insert and fix the container, and the opening of the container protrudes from the limit portion.

[0024] In one embodiment, the container sealing device further includes a buffer member, wherein the buffer member is located between the shell and the limiting plate, and the buffer member is used to support the container.

[0025] In one embodiment, the surface of the shell facing the limit plate has a groove, and the groove is used to accommodate the buffer member; the bottom wall of the groove has a second pressure relief hole, and the distribution area of ​​the second pressure relief hole at least partially overlaps with the positive projection area of ​​the buffer member on the bottom wall of the groove.

[0026] In one embodiment, the limiting plate has a third matching piece, the shell has a fourth matching piece, the third matching piece and the fourth matching piece are detachably connected, the fourth matching piece protrudes from the surface of the shell facing the limiting plate, the buffer has a third mounting hole, and the fourth matching piece can be accommodated in the third mounting hole.

[0027] In a second aspect, the present application further provides a container sealing device, comprising a fastening device and a container sealing device as described in any one embodiment of the first aspect, wherein the container sealing device is used to carry a container with an opening, and when a cover plate of the container sealing device is covered on a base, the fastening device extends into a sleeve of the container sealing device and contacts a fastener, and the fastening device rotates the fastener to seal or unseal the container.

[0028] In one embodiment, the fastening device includes a rotating member and a moving assembly, wherein the moving assembly is connected to the rotating member, and the moving assembly is used to drive the rotating member to move so that the rotating member contacts the fastening member.

[0029] In one embodiment, the container sealing device also includes a clamping device, which includes a movable plate and a driving assembly, wherein the driving assembly is connected to the movable plate, the driving assembly is used to drive the movable plate to move, and the movable plate is used to clamp the cover plate and the base.

[0030] In one embodiment, the pressing device further includes a fixed plate, the container sealing device is placed on the fixed plate, and the movable plate is located above the fixed plate.

[0031] In one embodiment, the movable plate includes a first connecting plate and a plurality of first pressure plates connected to the first connecting plate, and the first connecting plate is drivingly connected to the driving assembly; the plurality of first pressure plates are evenly distributed on the first connecting plate, and the spacing between two adjacent first pressure plates is greater than the radial dimension of the sleeve.

[0032] In one embodiment, the movable plate includes a second connecting plate and a second pressure plate connected to the second connecting plate, and the second connecting plate is drivingly connected to the driving assembly; the second pressure plate has an avoidance portion, and the avoidance portion passes through the second pressure plate along the direction from the second pressure plate to the fixed plate, and the avoidance portion is used to avoid the sleeve.

[0033] In one embodiment, there are multiple avoidance portions, which are spaced apart on the second pressure plate; there are multiple sleeve assemblies, a single avoidance portion is opposite to at least one sleeve assembly, and the minimum distance between two adjacent avoidance portions is smaller than the minimum distance between two sleeve assemblies opposite to different avoidance portions.

[0034] In one embodiment, the driving assembly is driven by a cylinder, and the clamping device also includes a switch valve and a pneumatic proportional valve. The pneumatic proportional valve is connected to the air source, and the switch valve is respectively connected to the pneumatic proportional valve and the driving assembly. The pneumatic proportional valve is used to adjust the air pressure input to the driving assembly, and the switch valve is used to control the on-off of the air circuit input to the driving assembly.

[0035] In a third aspect, the present application further provides a sealing test method, which is applied to the container sealing device as described in the second aspect, wherein a container containing a sample solution has been placed in the container sealing device; the sealing test method comprises:

[0036] Determine the initial pressure value;

[0037] Controlling the pressing device to press the cover plate with an initial pressure value, so that the cover plate is pressed against the base with the initial pressure value;

[0038] Controlling the fastening device to drive the fastener to rotate, so that the cover plate and the base are connected and the container is sealed;

[0039] The container sealing device is heated, and after standing for a preset time, a change in the height of the liquid level in the container is detected, or a change in the weight of the container sealing device is detected;

[0040] If the change in the liquid level height is less than or equal to the first set value, or the change in the weight is less than or equal to the second set value, it is determined that the sealing performance of the container sealing device meets the experimental requirements under the initial pressure value.

[0041] In one embodiment, the sealing test method further includes:

[0042] If the change in the liquid level is greater than the first set value, or the change in the weight is greater than the second set value, the pressure value is adjusted to obtain an adjusted pressure value;

[0043] Controlling the pressing device to press the cover plate with an adjusted pressure value, so that the cover plate is pressed against the base with the adjusted pressure value, and the adjusted pressure value is greater than the initial pressure value;

[0044] Controlling the fastening device to drive the fastener to rotate so that the cover plate and the base are connected and the container is sealed; heating the container sealing device, and after standing for a preset time, detecting the change in the liquid level in the container, or detecting the change in the weight of the container sealing device;

[0045] If the change in the liquid level height is less than or equal to the first set value, or the change in the weight is less than or equal to the second set value, it is determined that the sealing performance of the container sealing device meets the experimental requirements under the adjusted pressure value. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0047] Figure 1 is a schematic structural diagram of a container sealing device according to an embodiment of the present application;

[0048] Figure 2 yes Figure 1 A front view of the container sealing device of the illustrated embodiment;

[0049] Figure 3 yes Figure 1 a right side view of the container sealing device of the illustrated embodiment;

[0050] Figure 4 yes Figure 3 A cross-sectional view of the container sealing device of the illustrated embodiment at AA;

[0051] Figure 5 It is a structural schematic diagram of a base in one embodiment of the present application;

[0052] Figure 6 yes Figure 5a front view of the base of the illustrated embodiment;

[0053] Figure 7 yes Figure 5 a top view of the base of the illustrated embodiment;

[0054] Figure 8 It is a structural schematic diagram of a cover plate, a sleeve assembly and a seal according to an embodiment of the present application;

[0055] Fig. 9 yes Figure 8 a front view of the cover plate, sleeve assembly and seal of the illustrated embodiment;

[0056] Fig.10 yes Figure 8 a right side view of the cover plate, sleeve assembly and seal of the illustrated embodiment;

[0057] Fig.11 is a top view of a cover plate and a sleeve assembly according to an embodiment of the present application;

[0058] Fig.12 is a schematic structural diagram of a fastening device according to an embodiment of the present application;

[0059] Fig.13 It is a working schematic diagram of a rotating member and a container sealing device according to one embodiment of the present application;

[0060] Fig.14 is a schematic structural diagram of a container sealing device according to an embodiment of the present application;

[0061] Fig.15 is a structural schematic diagram of a container sealing device according to another embodiment of the present application;

[0062] Fig.16 It is a system schematic diagram of a sealing test method according to one embodiment of the present application. Description of the drawings:

[0064] 1000-Container sealing equipment;

[0065] 100-container sealing device, 200-fastening device, 300-pressing device;

[0066] 10-base, 20-cover, 30-seal, 40-sleeve assembly, 50-container;

[0067] 11-housing, 12-limiting plate, 13-limiting portion, 14-fastening fitting, 15-second positioning member, 16-supporting member, 161-rigid portion, 162-elastic portion, 17-buffering member;

[0068] 21-first mounting hole, 22-first positioning member, 23-first pressure relief hole, 24-rib;

[0069] 31- second mounting hole;

[0070] 41-sleeve, 411-sleeve body, 412-fixing portion, 42-fastener, 421-abutting portion, 43-elastic member, 44-limiting cover, 441-operating hole;

[0071] 201-rotating part, 2011-quick-change female head, 202-support frame;

[0072] 301-movable plate, 3011-first connecting plate, 3012-first pressing plate, 3013-second connecting plate, 3014-second pressing plate, 3015-avoidance part, 302-driving assembly, 303-fixed plate, 304-air pressure proportional valve, 305-switch valve. DETAILED DESCRIPTION

[0073] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0074] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0075] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0076] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in this application and in the specification are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this application includes any and all combinations of one or more of the related listed items.

[0077] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0078] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0079] The present application embodiment provides a container sealing device 100, see Figure 1 The container sealing device 100 includes a base 10 and a cover plate 20. The base 10 is provided with a limiting portion 13, and the limiting portion 13 is used to fix the container 50. The cover plate 20 is arranged opposite to the base 10. When the cover plate 20 is connected to the base 10, the cover plate 20 seals the container 50 and cooperates with the base 10 to fix the container 50.

[0080] One end of the container 50 has an opening, and the container 50 can be used to hold reagents. The types of the container 50 include, but are not limited to, test tubes and centrifuge tubes. Optionally, the bottom end of the container 50 is sealed and the top end has an opening. The base 10 is located at a side of the bottom end of the container 50 away from the top end, and is used to support and fix the container 50. The cover 20 is located at a side of the container 50 with the opening, and is used to seal the opening of the container 50.

[0081] See also Figure 2 , Figure 3 and Figure 4The container sealing device 100 further includes a sleeve assembly 40, which includes a sleeve 41, a fastener 42 and an elastic member 43, wherein the sleeve 41 is located on one side of the cover plate 20 and connected to the surface of the cover plate 20. When the cover plate 20 covers the base 10, the sleeve 41 is located on the side of the cover plate 20 facing away from the base 10. The sleeve 41 encloses a channel, and the fastener 42 and the elastic member 43 are both accommodated in the channel. Optionally, the sleeve 41 extends from the base 10 toward the cover plate 20; the end of the fastener 42 away from the base 10 is accommodated in the sleeve 41, and the end close to the base 10 is used for detachable connection with the base 10, so that the cover plate 20 and the base 10 are connected and fixed by the fastener 42; the elastic member 43 is accommodated in the sleeve 41 as a whole, and is sleeved on the outer periphery of the fastener 42, and is used to generate elastic force to match the disassembly and installation process of the fastener 42 and the base 10.

[0082] When the container sealing device 100 seals the container 50 , the cover plate 20 and the base 10 are placed opposite to each other, and the fastener 42 is controlled to be connected to the base 10 , so that the cover plate 20 is clamped with the base 10 under the action of the fastener 42 , thereby achieving the sealing of the container 50 by the cover plate 20 .

[0083] The fastener 42 is at least partially accommodated in the channel enclosed by the sleeve 41, and one end of the fastener 42 close to the base 10 passes through the cover 20 and is detachably connected to the base 10, so that the cover 20 and the base 10 are connected and fixed by the fastener 42; the other end of the fastener 42 away from the base 10 is accommodated in the channel enclosed by the sleeve 41 and has a butt portion 421, which protrudes from the outer peripheral surface of the fastener 42 body, that is, the orthographic projection area of ​​the fastener 42 body on the butt portion 421 is smaller than the surface area of ​​the butt portion 421, which is conducive to achieving a limiting effect.

[0084] The elastic member 43 is completely accommodated in the channel enclosed by the sleeve 41, and the elastic member 43 is sleeved on the outer periphery of the fastener 42. One end of the elastic member 43 abuts against the surface of the abutting portion 421 facing the base 10, and the other end abuts against the surface of the cover plate 20 facing the sleeve 41, so that the elastic member 43 is sandwiched between the abutting portion 421 and the cover plate 20. When the fastener 42 moves toward the direction close to the base 10, the abutting portion 421 moves toward the direction close to the base 10, the elastic member 43 is compressed, and pushes the cover plate 20 to move toward the direction close to the base 10, so that the cover plate 20 is clamped with the base 10 under the action of the fastener 42, thereby achieving the sealing of the container 50 by the cover plate 20.

[0085] At least part of the fastener 42 and all of the elastic member 43 are accommodated in the channel enclosed by the sleeve 41, so that the sleeve 41 can limit the fastener 42 and the elastic member 43, which is beneficial to improve the position stability of the fastener 42 and the elastic member 43 during use.

[0086] The fastener 42 is connected to the base 10 and can reciprocate in the channel enclosed by the sleeve 41 to change the tightness of the connection between the fastener 42 and the base 10, thereby changing the tightness of the connection between the cover plate 20 and the base 10. The fastener 42 can be moved manually or by an automated device.

[0087] Optionally, when the fastener 42 moves from the cover 20 toward the base 10, the fitting connection between the fastener 42 and the base 10 is tightened, the elastic member 43 is squeezed, and the cover 20 moves toward the base 10 under the action of the fastener 42. The cover 20 is connected to the base 10 through the fastener 42, and the cover 20 seals the container 50; when the fastener 42 moves from the base 10 toward the cover 20, the fitting connection between the fastener 42 and the base 10 becomes loose, the elastic member 43 rebounds, and the elastic member 43 applies an elastic force from the base 10 toward the cover 20 to the fastener 42, thereby promoting the fastener 42 to quickly reset; when the fitting connection between the fastener 42 and the base 10 is released, the cover 20 can be removed from the base 10 and the seal on the container 50 is released.

[0088] The elastic member 43 is always accommodated in the channel enclosed by the sleeve 41 , and when the fastener 42 reciprocates in the channel enclosed by the sleeve 41 , both ends of the elastic member 43 always maintain an abutting relationship with the cover plate 20 and the abutting portion 421 .

[0089] See also Figure 2 , Figure 4 , Figure 8 and Fig. 9 The container sealing device 100 further includes a sealing member 30, which is connected to the surface of the cover plate 20 facing away from the sleeve 41, that is, the sealing member 30 is arranged on the side of the cover plate 20 facing the base 10. When the container sealing device 100 seals the container 50, the cover plate 20 covers the base 10, and the cover plate 20 moves toward the base 10, and the sealing member 30 contacts the container 50, covers and seals the opening of the container 50.

[0090] The seal 30 is elastic and can be deformed when subjected to pressure to improve the sealing effect between the seal 30 and the opening of the container 50. The seal 30 can directly abut against the edge of the opening of the container 50, or when the seal 30 abuts against the end of the container 50 with the opening, the end of the container 50 with the opening partially sinks into the seal 30, so that the seal 30 contacts the outer peripheral surface of the end of the container 50 with the opening, thereby improving the sealing effect of the seal 30 on the container 50.

[0091] The cover plate 20 has a first mounting hole 21, and the sealing member 30 has a second mounting hole 31. The second mounting hole 31 is in communication with the first mounting hole 21, and the passage enclosed by the sleeve 41 is in communication with the first mounting hole 21, so that the passage enclosed by the sleeve 41, the first mounting hole 21, and the second mounting hole 31 are all in communication. When the fastener 42 moves from the cover plate 20 toward the base 10, the end of the fastener 42 close to the base 10 passes through the first mounting hole 21 and the second mounting hole 31, so that the end of the fastener 42 close to the base 10 protrudes from the sealing member 30 and is detachably connected to the base 10.

[0092] There is a spacing distance between the second mounting hole 31 and the opening of the container 50 to prevent the second mounting hole 31 from being connected to the container 50 , thereby preventing the sealing effect of the sealing member 30 on the container 50 from being affected.

[0093] The container sealing device 100 provided in the present application includes a cover plate 20 and a base 10, the cover plate 20 and the base 10 are detachably connected, the base 10 is provided with a limiting portion 13, the limiting portion 13 is used to fix the container 50, and the surface of the cover plate 20 facing the base 10 is connected with a sealing member 30, the sealing member 30 is used to seal the container 50, so as to improve the sealing effect of the container 50. The surface of the cover plate 20 facing away from the base 10 is connected with a sleeve assembly 40, the sleeve assembly 40 includes a sleeve 41, a fastener 42 and an elastic member 43, the sleeve 41 is used to accommodate the fastener 42 and the elastic member 43, realizes the position limitation of the fastener 42 and the elastic member 43, and ensures the stability of the position of the fastener 42 and the elastic member 43; at the same time, it avoids the fastener 42 from tilting during the connection process with the base 10, resulting in the need to adjust the moving direction of the fastener 42 for many times, and it is also easy to cause the cover plate 20 to tilt during the fastening process with the base 10, which is conducive to improving the sealing efficiency and sealing effect of the container sealing device 100 on the container 50.

[0094] When an automated device is used to act on the fastener 42 to achieve the sealing of the container sealing device 100, the structure in which the fastener 42 is contained in the sleeve 41 is conducive to simplifying the recognition of the action position by the automated device, and ensuring the stability of the position of the fastener 42 under the action of the automated device; at the same time, in the process of releasing the mating connection between the fastener 42 and the base 10, the elastic member 43 applies an elastic force from the base 10 toward the cover plate 20 to the fastener 42, assisting in releasing the mating connection between the fastener 42 and the base 10, which is conducive to improving the sealing and unsealing efficiency of the container 50 by the container sealing device 100. In addition, when the fastener 42 is released from the base 10, the fastener 42 is confined in the sleeve 41, and there is no need for additional storage, and there is no need to worry about losing it, which improves the sealing efficiency and is conducive to automated integration.

[0095] In one implementation, see Figure 8 , Fig. 9 and Fig.10The sleeve 41 and the cover plate 20 are detachably connected, which is beneficial to simplify the processing and forming of the sleeve 41 and the cover plate 20 and improve the processing yield of the sleeve 41 and the cover plate 20; at the same time, the number and position of the sleeve 41 can be appropriately adjusted according to actual needs to avoid the cover plate 20 from tilting during the process of fastening with the base 10, thereby improving the sealing efficiency and sealing effect of the cover plate 20 and the base 10 on the container 50.

[0096] The sleeve 41 includes a sleeve body 411 and a fixing portion 412, the fixing portion 412 is connected to the outer circumferential surface of the sleeve body 411, the sleeve body 411 encloses a channel for accommodating the fastener 42 and the elastic member 43, the fixing portion 412 protrudes from the outer circumferential surface of the sleeve body 411 and is detachably connected to the cover plate 20 to realize the detachable connection between the sleeve body 411 and the cover plate 20.

[0097] The fixing portion 412 and the sleeve body 411 may be an integral structure or different components connected to each other, and this application does not impose any limitation on this.

[0098] Optionally, the fixing portion 412 is connected to the end of the sleeve body 411 in the extension direction, so that one end of the sleeve body 411 is connected to the cover plate 20. In the extension direction of the sleeve body 411, the extension length of the fixing portion 412 can be equal to the extension length of the sleeve body 411, which is conducive to increasing the connection area between the fixing portion 412 and the sleeve body 411, thereby increasing the stability of the connection between the sleeve body 411 and the cover plate 20 through the fixing portion 412.

[0099] Optionally, the fixing portion 412 also encloses a channel, and a threaded structure is provided in the channel of the fixing portion 412. The fixing portion 412 and the cover plate 20 are connected by bolts. The bolts pass through the channel enclosed by the fixing portion 412 and cooperate with the threaded structure in the channel of the fixing portion 412.

[0100] The number of the fixing parts 412 can be multiple, and the multiple fixing parts 412 are evenly spaced on the outer circumference of the sleeve body 411 to improve the stability of the connection and fixation between the sleeve body 411 and the cover plate 20.

[0101] In one implementation, see Figure 8 , Fig. 9 and Fig.10 The cover plate 20 further includes a limit cover 44, which is connected to the end of the sleeve 41 facing away from the cover plate 20. The limit cover 44 is provided with an operation hole 441, which is connected to the passage enclosed by the sleeve 41, and the operation hole 441 is opposite to the fastener 42. When the fastener 42 is acted on to move it, the fastening device 200 passes through the operation hole 441 and extends into the sleeve 41 to contact the fastener 42.

[0102] The size of the operating hole 441 is smaller than that of the abutment portion 421, that is, the area of ​​the positive projection of the operating hole 441 on the abutment portion 421 is smaller than the area of ​​the abutment portion 421, so that the end of the fastener 42 facing away from the base 10 is always accommodated in the channel enclosed by the sleeve 41, avoiding the fastener 42 from being ejected when subjected to the elastic force of the elastic member 43, thereby ensuring the stability of the position of the fastener 42.

[0103] The limit cover 44 and the sleeve 41 are detachably connected. When assembling the sleeve assembly 40, the fastener 42 and the elastic member 43 are first installed in the sleeve 41, and then the limit cover 44 is connected to the end of the sleeve 41 facing away from the cover plate 20, so that the limit cover 44 limits the position of the fastener 42 and the elastic member 43.

[0104] Optionally, the limiting cover 44 is further provided with a fixing hole, the fixing hole is connected to the channel enclosed by the fixing portion 412, and the fixing hole and the bolts in the channel enclosed by the fixing portion 412 are opposite. When the bolt is used to connect or disassemble the fixing portion 412 with the cover plate 20, the fastening device 200 passes through the fixing hole and extends into the channel enclosed by the fixing portion 412 to contact the bolt.

[0105] In one implementation, see Figure 1 The number of sleeve assemblies 40 is multiple, and the multiple sleeve assemblies 40 are evenly distributed on the surface of the cover plate 20. Each sleeve assembly 40 has a fastener 42, so that the container sealing device 100 has multiple fasteners 42, the multiple fasteners 42 are evenly distributed, and the multiple fasteners 42 are detachably connected to the base 10, which is conducive to improving the stability of the connection between the cover plate 20 and the base 10, and preventing the cover plate 20 from tilting during the process of being fastened to the base 10.

[0106] Optionally, a plurality of sleeve assemblies 40 are arranged in an array on the surface of the cover plate 20 , such as a 3×2 array, a 3×3 array, a 3×4 array, and the like.

[0107] When multiple fasteners 42 are moved in the channel enclosed by the sleeve 41, multiple fastening devices 200 can be used to act on the multiple fasteners 42 at the same time, so that the multiple fasteners 42 move synchronously from the cover 20 toward the base 10 or the multiple fasteners 42 move synchronously from the base 10 toward the cover 20; or a single fastening device 200 can be used to act on the multiple fasteners 42 in sequence to realize the connection and disassembly of the multiple fasteners 42 and the base 10 in sequence.

[0108] In one implementation, see Figure 4 and Figure 7 The base 10 has a fastening fitting 14, and the fastening fitting 14 and the second mounting hole 31 are arranged oppositely, that is, the channel enclosed by the sleeve 41, the first mounting hole 21, the second mounting hole 31 and the fastening fitting 14 are all arranged oppositely.

[0109] One end of the fastener 42 close to the base 10 passes through the first mounting hole 21 and the second mounting hole 31 and is connected to the fastening fitting 14 so that the fastener 42 is detachably connected to the base 10, thereby realizing a detachable connection between the cover plate 20 and the base 10.

[0110] Optionally, the fastener 42 and the fastening fitting 14 are threadedly connected. The fastener 42 may be a screw, and the fastening fitting 14 may be a hole with a threaded structure on the inner wall; or the fastener 42 may have a hole with a threaded structure at one end close to the base 10, and the fastening fitting 14 may be a screw.

[0111] Optionally, the inner wall of the first mounting hole 21 has a threaded structure, and the fastener 42 is also cooperatively connected to the inner wall of the first mounting hole 21, so that the fastener 42 is detachably connected to the cover plate 20 and the base 10 at the same time.

[0112] On the surface of the base 10 facing the cover plate 20, the fastening fittings 14 and the limiting portion 13 are arranged at intervals to avoid interference between the fastener 42 and the accommodation. The number of the fastening fittings 14 can be multiple, the number of the fastening fittings 14 is equal to the number of the sleeve assemblies 40, and the fastening fittings 14 and the sleeve assemblies 40 are arranged one-to-one, so that the fastening fittings 14 are connected to the fastener 42 one-to-one, thereby improving the stability of the connection between the cover plate 20 and the base 10, and thereby improving the sealing performance of the container sealing device 100 on the container 50.

[0113] In one implementation, see Figure 1 , Figure 5 and Figure 8 The cover plate 20 has a first positioning member 22, which is located on the side of the cover plate 20 facing the base 10; the base 10 has a second positioning member 15, which is located on the side of the base 10 facing the cover plate 20, and the first positioning member 22 and the second positioning member 15 are detachably connected.

[0114] The first positioning member 22 and the second positioning member 15 are arranged opposite to each other, and the first positioning member 22 and the second positioning member 15 are used to realize the relative positioning of the cover plate 20 and the base 10, so that the relative position of the cover plate 20 and the base 10 is more accurate and stable. When the first positioning member 22 and the second positioning member 15 are connected, the cover plate 20 and the base 10 are in the correct relative position.

[0115] The first positioning member 22 and the second positioning member 15 are detachably connected, which is also conducive to the detachable connection between the fastener 42 and the base 10, so as to realize the detachable connection between the cover plate 20 and the base 10. The first positioning member 22 and the second positioning member 15 can also jointly support the cover plate 20, so that the cover plate 20 can move parallel to the base 10, and avoid the cover plate 20 from tilting during the movement, which is conducive to improving the stability of the cover plate 20 during the fastening process to the base 10, thereby improving the sealing performance of the container sealing device 100 on the container 50.

[0116] When the container sealing device 100 seals the container 50 , the cover plate 20 moves toward the base 10 , the distance between the cover plate 20 and the base 10 decreases, and the connection between the first positioning member 22 and the second positioning member 15 becomes tighter.

[0117] The number of the first positioning members 22 can be multiple, and the multiple first positioning members 22 are evenly spaced on the surface of the cover plate 20 facing the base 10. The first positioning member 22 is spaced from the first mounting hole 21 and the second mounting hole 31 to avoid interference between the first positioning member 22 and the fastener 42. Optionally, the sealing member 30 is located in the central area of ​​the cover plate 20, the first positioning member 22 is located at the edges of the cover plate 20, the first positioning member 22 is spaced from the sealing member 30, and the multiple first positioning members 22 are evenly spaced around the edges of the cover plate 20 around the sealing member 30.

[0118] The number of the second positioning members 15 can be multiple, and the multiple second positioning members 15 are evenly spaced on the surface of the base 10 facing the cover plate 20. The second positioning members 15 are spaced from the limiting portion 13 and the fastening fitting 14 to avoid interference between the second positioning members 15 and the fastening member 42. It can be understood that the number of the second positioning members 15 is the same as the number of the first positioning members 22, and the second positioning members 15 and the first positioning members 22 are arranged one by one.

[0119] The first positioning member 22 may be a latch, and the second positioning member 15 may be a socket; or the first positioning member 22 may be a socket, and the second positioning member 15 may be a latch.

[0120] Optionally, at least one of the first positioning member 22 and the second positioning member 15 is provided with a positioning portion, which is used to limit the degree of fit between the first positioning member 22 and the second positioning member 15, so that there is always a spacing distance between the cover 20 and the base 10, and to adjust the extrusion pressure of the cover 20 on the container 50 to avoid the spacing distance between the cover 20 and the base 10 being too small, the extrusion pressure of the cover 20 on the container 50 being too large, and causing damage to the container 50.

[0121] Optionally, the positioning portion may be located between the first positioning member 22 and the second positioning member 15 , and the positioning portion is used to increase the friction force at the contact position of the first positioning member 22 and the second positioning member 15 , thereby limiting the degree of fit between the first positioning member 22 and the second positioning member 15 .

[0122] In one implementation, see Figure 1 , Figure 5 and Figure 7 The base 10 also includes a support member 16, one end of which is connected to one of the cover plate 20 and the base 10. When the cover plate 20 and the base 10 are connected, the other end of the support member 16 abuts against the other of the cover plate 20 and the base 10 so that the support member 16 is located between the cover plate 20 and the base 10.

[0123] Optionally, one end of the support member 16 is detachably connected to the surface of the base 10 facing the cover plate 20 , and the other end abuts against the surface of the cover plate 20 facing the base 10 .

[0124] During the process of sealing the container 50 by the container sealing device 100, the cover plate 20 moves toward the direction close to the base 10, and the cover plate 20 may tilt during the movement, resulting in excessive friction at the contact position of part of the first positioning member 22 and the second positioning member 15, causing the cover plate 20 to get stuck during the movement toward the base 10, affecting the sealing efficiency and sealing performance of the container sealing device 100. By arranging a support member 16 between the base 10 and the cover plate 20, the support member 16 assists in supporting the cover plate 20 during the movement of the cover plate 20 toward the base 10, which is conducive to preventing the cover plate 20 from tilting too much during the movement. At the same time, the support member 16 has a certain size, which is also conducive to ensuring that there is always a spacing distance between the cover plate 20 and the base 10, avoiding that the spacing distance between the cover plate 20 and the base 10 is too small, and the pressure of the cover plate 20 on the container 50 is too large, resulting in damage to the container 50.

[0125] Optionally, the support member 16 includes a rigid portion 161 and an elastic portion 162 connected to each other, one of the base 10 and the cover plate 20 is connected to the rigid portion 161, and the other is in contact with the elastic portion 162; illustratively, the rigid portion 161 is connected to the base 10, and one end of the elastic portion 162 away from the rigid portion 161 is in contact with the cover plate 20. The elastic portion 162 can be deformed when subjected to pressure, and the elastic portion 162 is squeezed during the movement of the cover plate 20 toward the base 10, so that the elastic portion 162 is compressed, thereby ensuring that the cover plate 20 moves smoothly toward the base 10; at the same time, the elastic portion 162 can also convert part of the squeezing force of the support member 16 on the cover plate 20 into elastic force, so as to avoid excessive squeezing force of the support member 16 on the cover plate 20, resulting in damage to the cover plate 20.

[0126] Optionally, the elastic portion 162 is truncated cone-shaped, and the area of ​​the surface of the elastic portion 162 away from the rigid portion 161 is smaller than the area of ​​the surface of the elastic portion 162 connected to the rigid portion 161. Exemplarily, when the elastic portion 162 abuts against the cover plate 20, the orthographic projection area of ​​the surface of the elastic portion 162 in contact with the cover plate 20 on the base 10 is smaller than the orthographic projection area of ​​the surface of the elastic portion 162 connected to the rigid portion 161 on the base 10.

[0127] The surface area of ​​the elastic part 162 in contact with the cover plate 20 is small, which can avoid the surface area of ​​the elastic part 162 in contact with the cover plate 20 being too large, resulting in irregular deformation of the surface of the elastic part 162 in contact with the cover plate 20, which is conducive to improving the stability of the support member 16 abutting against the cover plate 20; at the same time, the outer peripheral surface of the elastic part 162 is an inclined surface, which is conducive to reducing the volume of the elastic part 162, avoiding the elastic part 162 being too hard, making the elastic part 162 more likely to deform. Among them, the elastic part 162 can be made of silicone.

[0128] The number of the support members 16 can be multiple, and the multiple support members 16 are evenly spaced on the surface of the base 10 facing the cover plate 20, so that the multiple support members 16 evenly assist in supporting the cover plate 20 and improve the stability of the cover plate 20 during the process of fastening to the base 10.

[0129] The support member 16 is spaced apart from the limiting portion 13, the fastening member 14, and the second positioning member 15 to avoid interference between the support member 16 and the fastener 42 and the second positioning member 15. Optionally, a plurality of support members 16 are evenly spaced apart around the edges of the base 10, and a plurality of support members 16 and a plurality of second positioning members 15 are alternately spaced apart to achieve uniform support of the support members 16 and the second positioning members 15 on the cover plate 20, thereby improving the stability of the cover plate 20.

[0130] In one implementation, see Figure 8 The cover plate 20 is provided with a first pressure relief hole 23 , and the first pressure relief hole 23 passes through the cover plate 20 . Optionally, the first pressure relief hole 23 passes through the cover plate 20 from the cover plate 20 toward the base 10 .

[0131] The first pressure relief hole 23 is opposite to the sealing member 30, and the distribution area of ​​the first pressure relief hole 23 at least partially overlaps with the orthographic projection area of ​​the sealing member 30 on the cover plate 20. That is, the orthographic projection of the first pressure relief hole 23 on the base 10 is at least partially located within the range of the orthographic projection of the sealing member 30 on the base 10, and the sealing member 30 at least partially closes the first pressure relief hole 23 on the side of the cover plate 20 close to the base 10.

[0132] When the container 50 of the container sealing device 100 is sealed, one end of the opening of the container 50 abuts against the sealing member 30, and the container 50 presses the sealing member 30 from the base 10 toward the cover plate 20. The sealing member 30 is deformed after being squeezed, and the first pressure relief hole 23 connects the gap space between the sealing member 30 and the cover plate 20 and the external space, and is used to discharge the air in the gap space between the sealing member 30 and the cover plate 20 when the sealing member 30 is deformed, and relieve the pressure in the gap space between the sealing member 30 and the cover plate 20, which is beneficial to ensure the overall flatness of the sealing member 30 after being squeezed, and avoid the partial area of ​​the sealing member 30 from warping up, which affects the sealing performance of the sealing member 30 to the opening of the container 50.

[0133] The first pressure relief hole 23 and the sleeve assembly 40 are arranged at intervals to prevent the sleeve assembly 40 from closing the first pressure relief hole 23 and affecting the pressure relief performance of the first pressure relief hole 23 .

[0134] There may be a plurality of first pressure relief holes 23 , which are distributed in an array on the cover plate 20 , and the shapes and sizes of the plurality of first pressure relief holes 23 may be completely the same.

[0135] Optionally, the sealing member 30 may be directly connected to the cover plate 20 by gluing, or the sealing member 30 may be detachably connected to the cover plate 20, which is not limited herein.

[0136] In one implementation, see Fig. 9 and Fig.10 The container sealing device 100 also includes a first fitting member and a second fitting member. The first fitting member is arranged on the side of the cover plate 20 facing the sealing member 30, and the second fitting member is connected to the side of the sealing member 30 facing the cover plate 20. The first fitting member and the second fitting member are detachably connected so that the sealing member 30 and the cover plate 20 are detachably connected to facilitate the replacement of the sealing member 30.

[0137] Optionally, when the cover 20 is covered on the base 10, the orthographic projection of the second mating part on the cover 20 coincides with the orthographic projection of the first mating part on the cover 20. At this time, the seal 30 is located at the correct set position relative to the cover 20, which is beneficial to improve the accuracy of the position of the seal 30 during the installation process and avoid misalignment of the seal 30 after installation, which reduces the sealing performance of the seal 30 on the container 50.

[0138] Optionally, the first matching piece is a magnet, and the second matching piece is a magnetic attraction piece, and magnetic force can be generated between the magnet and the magnetic attraction piece to connect the seal 30 and the cover plate 20; preferably, the second matching piece can be an iron sheet, such as a stainless iron sheet. Alternatively, the first matching piece is a hook-and-belt adhesive, and the second matching piece is a loop-and-belt adhesive, and a large friction force can be generated between the hook-and-belt adhesive and the loop-and-belt adhesive to connect the seal 30 and the cover plate 20, and facilitate the disassembly of the seal 30 relative to the cover plate 20.

[0139] In one implementation, see Fig. 9 and Fig.10 The seal 30 includes a high-viscosity portion and a low-viscosity portion that are connected, and the high-viscosity portion and the low-viscosity portion are stacked. The high-viscosity portion is connected to the cover plate 20, and the low-viscosity portion is used to seal the opening of the container 50 when the cover plate 20 is covered on the base 10. The viscosity of the low-viscosity portion is lower than that of the high-viscosity portion, so that the portion of the seal 30 that contacts the container 50 has a lower viscosity, thereby avoiding a large adhesive force between the seal 30 and the container 50 when the container 50 is unsealed, thereby affecting the normal unsealing of the container 50 or lifting the container 50.

[0140] Optionally, both the high-viscosity portion and the low-viscosity portion are layered structures, and in the direction from the cover plate 20 to the seal 30, the thickness of the high-viscosity portion is greater than the thickness of the low-viscosity portion. The thickness of the low-viscosity portion can be 0.05mm-0.2mm, for example, 0.05mm, 0.08mm, 0.1mm, 0.12mm, 0.15mm, 0.18mm, 0.2mm or other values, to ensure that the low-viscosity portion has a certain flexibility, and will not be severely deformed due to being too thin or too thick to cause the sealing effect to deteriorate. The thickness of the high-viscosity portion can be 3-8mm, for example, 3mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 8mm or other values. The high-viscosity portion has good elasticity, so that the seal 30 is deformed when the cover plate 20 covers the base 10, thereby improving the sealing performance of the seal 30 to the container 50.

[0141] Optionally, the high-viscosity portion can be made of silicone material, and the low-viscosity portion can be made of polyfluoroalkoxy (PFA) material, which has a low friction coefficient and non-stick properties and is resistant to high temperatures. It is understood that the low-viscosity portion can also be a film such as PTFE, FEP, or PE.

[0142] In one implementation, see Fig.11 The surface of the cover plate 20 facing away from the seal 30 is provided with ribs 24, and the sleeve assembly 40 is connected to the area of ​​the cover plate 20 where the ribs 24 are provided. The orthographic projection area of ​​the ribs 24 on the cover plate 20 is greater than or equal to the orthographic projection area of ​​the sleeve body 411 on the cover plate 20, so as to increase the structural strength of the connection between the cover plate 20 and the sleeve assembly 40.

[0143] The number of the ribs 24 can be multiple, and the multiple ribs 24 are arranged at intervals on the surface of the cover plate 20, and the multiple ribs 24 are evenly distributed on the surface of the cover plate 20 to evenly improve the structural strength of the cover plate 20. Optionally, the shape of the cover plate 20 is rectangular, and the multiple ribs 24 all extend linearly along the length direction of the cover plate 20. The container sealing device 100 has multiple sleeve assemblies 40, and the multiple sleeve assemblies 40 are distributed in an array on the cover plate 20. A single rib 24 has multiple sleeve assemblies 40, and the multiple sleeve assemblies 40 are arranged at intervals along the length direction of the cover plate 20.

[0144] The surface of the cover plate 20 facing away from the sealing member 30 is provided with ribs 24 to improve the overall strength of the cover plate 20, and can adaptively reduce the thickness of the cover plate 20, making the cover plate 20 lighter and thinner as a whole, while ensuring a certain structural strength, and reducing the overall volume and weight of the container sealing device 100. When the moving plate 301 of the pressing device 300 presses the cover plate 20 and the base 10, the contact position of the moving plate 301 and the cover plate 20 can be located at the ribs 24, so as to increase the structural strength of the area where the moving plate 301 acts on the cover plate 20.

[0145] In one implementation, see Figure 5 and Figure 6 The base 10 includes a shell 11 and a limiting plate 12. The limiting plate 12 is located on a side of the shell 11 close to the cover plate 20. The limiting plate 12 and the shell 11 are detachably connected. The limiting plate 12 has a limiting portion 13. The limiting portion 13 is a limiting hole for interlacing and fixing with the container 50, and the opening of the container 50 protrudes from the limiting portion 13.

[0146] Optionally, the base 10 includes a buffer 17, which is located between the shell 11 and the limit plate 12, and the buffer 17 is used to support the container 50. The container 50 is sandwiched between the seal 30 and the buffer 17, and the seal 30 and the buffer 17 are both elastic and can be deformed after being subjected to pressure. The hardness of the seal 30 is greater than or equal to the hardness of the buffer 17, so that in the process of sealing the container 50 at the container sealing device 100, the container 50 presses the buffer 17 from the cover plate 20 toward the base 10, and the buffer 17 is deformed to different degrees at the corresponding positions of different containers 50, so that the heights of multiple containers 50 protruding from the top surface of the base 10 are the same, ensuring the sealing consistency of all containers 50 and improving the sealing effect of multiple containers 50. In addition, the buffer 17 also plays a role in protecting the container 50 to prevent the container 50 from being damaged due to excessive squeezing force.

[0147] Optionally, the material of the buffer component 17 and the material of the sealing component 30 may be the same or similar, and the structure of the buffer component 17 and the composition structure of the sealing component 30 may be the same or similar.

[0148] Optionally, there are multiple limiting portions 13, which are distributed in an array on the limiting plate 12, and each limiting portion 13 corresponds to a fixed container 50, so that the limiting portion 13 and the container 50 correspond one to one, and each container 50 abuts against the buffer 17, so that the buffer 17 deforms to different degrees when supporting different containers 50, so that the heights of the multiple containers 50 protruding from the top surface of the base 10 are the same, thereby ensuring the sealing consistency of all containers 50.

[0149] Optionally, the surface of the shell 11 facing the limit plate 12 has a groove, and the groove is used to accommodate the buffer 17. The bottom wall of the groove has a second pressure relief hole, and the distribution area of ​​the second pressure relief hole at least partially overlaps with the positive projection area of ​​the buffer 17 on the bottom wall of the groove. When the container sealing device 100 seals the container 50, the end of the container 50 facing away from the opening abuts against the buffer 17, and the container 50 presses the buffer 17 from the cover plate 20 toward the base 10. The buffer 17 is deformed after being squeezed. The second pressure relief hole connects the groove and the external space, and is used to discharge the air in the groove when the buffer 17 is deformed and provide a deformation space for the deformation of the buffer 17. The second pressure relief hole relieves pressure on the groove, which is conducive to ensuring the overall flatness of the buffer 17 after being squeezed, and avoiding the partial area of ​​the buffer 17 from warping, which affects the support of the buffer 17 to the container 50.

[0150] Optionally, the limit plate 12 has a third fitting, and the shell 11 has a fourth fitting, and the third fitting and the fourth fitting are detachably connected, so that the limit plate 12 and the shell 11 are detachably connected. The fourth fitting protrudes from the surface of the shell 11 facing the limit plate 12, and the buffer 17 has a third mounting hole, and the fourth fitting can be accommodated in the third mounting hole, so that the fourth fitting passes through the buffer 17 through the third mounting hole and is connected to the third fitting at the limit plate 12. In order to prevent the shell 11 from bending and deforming when heated, a plurality of screw holes are arranged near the middle area of ​​the shell 11, and the fourth fitting can be a boss arranged around the screw hole opened on the shell 11 (connected to the screw hole and has a certain rigidity), and the buffer 17 is provided with a third mounting hole for accommodating the boss, and the height of the boss is less than the thickness of the buffer 17, and the limit plate 12 is fastened to the shell 11 by screws.

[0151] Optionally, a plurality of through holes are formed on the outer peripheral surface of the limiting plate 12 to reduce the weight of the base 10 .

[0152] Optionally, the limiting plate 12 has a flange, which protrudes from the outer peripheral surface of the limiting plate 12 , and the flange is used to simplify the taking of the base 10 .

[0153] The present application also provides a container sealing device 1000, see Fig.12 and Fig.13The container sealing device 1000 includes a fastening device 200 and the container sealing device 100 described in any one of the above embodiments. The container sealing device 100 is used to carry a container 50 with an opening. When the cover plate 20 of the container sealing device 100 is covered on the base 10, the fastening device 200 extends into the sleeve 41 of the container sealing device 100 and contacts the fastener 42 of the container sealing device 100. The fastening device 200 rotates the fastener 42 to seal or unseal the container 50.

[0154] The fastening device 200 includes a rotating member 201 and a moving assembly. The rotating member 201 is used to act on the fastener 42 so that the fastener 42 moves back and forth in the sleeve 41; the moving assembly is connected to the rotating member 201 and is used to drive the rotating member 201 to move so that the rotating member 201 contacts the fastener 42.

[0155] Optionally, the rotating member 201 is used to rotate the fastener 42 , and the rotating member 201 can rotate the fastener 42 in a clockwise direction or a counterclockwise direction to achieve connection and disassembly of the cover 20 and the base 10 .

[0156] When the rotating member 201 acts on the fastener 42, the rotating member 201 enters the channel enclosed by the sleeve 41 and contacts the fastener 42. The rotating member 201 tightens the fastener 42, so that the degree of fit between the fastener 42 and the base 10 increases, the cover 20 moves toward the base 10, and the cover 20 seals the opening of the container 50; when the rotating member 201 loosens the fastener 42, the degree of fit between the fastener 42 and the base 10 decreases, the cover 20 is released from the base 10, and the cover 20 can be removed from the base 10 to achieve the unsealing of the container 50.

[0157] The rotating member 201 includes but is not limited to an electric screwdriver (also called an electric screwdriver). Correspondingly, the fastener 42 is a screw, and the electric screwdriver is used to tighten and loosen the screw.

[0158] The moving component includes but is not limited to a multi-axis robot (such as a three-axis, four-axis, six-axis, seven-axis robot, etc.), a single-axis or multi-axis translation mechanism (such as an XYZ axis translation mechanism). When the moving component is a robot, a quick-change male head can be provided on the robot, and a quick-change female head 2011 is provided on the rotating part 201 to achieve a quick-change connection between the moving component and the rotating part 201.

[0159] The fastening device 200 further includes a support frame 202. When the rotating member 201 is not needed, the rotating member 201 can be placed on the support frame 202. When the rotating member 201 is needed, the mechanical arm is connected to the rotating member 201 on the support frame 202 and drives the rotating member 201 to move.

[0160] The container sealing device 1000 further includes a pressing device 300, which includes a movable plate 301, a driving assembly 302 and a fixed plate 303. The fixed plate 303 is used to place and support the container sealing device 100. The movable plate 301 and the fixed plate 303 are arranged relative to each other. The movable plate 301 is used to cooperate with the fixed plate 303 to press the cover plate 20 and the base 10 of the container sealing device 100. The driving assembly 302 is connected to the movable plate 301 to drive the movable plate 301 to move and regulate the pressure of the movable plate 301 on the container sealing device 100. Specifically, the driving assembly 302 can be fixedly arranged on the fixed plate 303, and the output end of the driving assembly 302 is connected to the movable plate 301. When the driving assembly 302 is working, the movable plate 301 is driven to move so that the movable plate 301 is close to or away from the fixed plate 303.

[0161] There may be a plurality of movable plates 301 , and the plurality of movable plates 301 are arranged at intervals, and the plurality of movable plates 301 jointly fix the container sealing device 100 .

[0162] Optionally, the drive assembly 302 is driven by a cylinder, and the pressing device 300 further includes a switch valve 305 and a pneumatic proportional valve 304. The pneumatic proportional valve 304 is connected to the gas source, and the switch valve 305 is respectively connected to the pneumatic proportional valve 304 and the drive assembly 302. The switch valve 305 is used to control the on-off of the gas circuit input to the drive assembly 302, that is, to control the opening and closing of the drive assembly 302 driving the moving plate 301; the pneumatic proportional valve 304 is used to adjust the air pressure input to the drive assembly 302, that is, to control the pressure of the drive assembly 302 on the moving plate 301 to squeeze the container sealing device 100.

[0163] When sealing the container sealing device 100, the container sealing device 100 is first placed on the fixed plate 303, and the movable plate 301 is controlled by the driving component 302 to press the container sealing device 100 toward the fixed plate 303, and the pressure applied by the movable plate 301 to the container sealing device 100 is adjusted by adjusting the driving component 302 to achieve the fixation of the container sealing device 100; then the rotating member 201 and the movable component are connected, and the movable component drives the rotating member 201 to move, so that the rotating member 201 is opposite to the fastener 42, and the rotating member 201 acts on the fastener 42 to rotate the fastener 42, thereby achieving the sealing of the container sealing device 100.

[0164] It can be understood that the container sealing device 1000 in this embodiment has the container sealing device 100 in the above-mentioned embodiment. Therefore, the container sealing device 1000 in this embodiment has all the technical effects of the container sealing device 100 in the above-mentioned embodiment. Since the technical effects of the container sealing device 100 have been fully explained in the above-mentioned embodiment, they will not be repeated here.

[0165] In one implementation, see Fig.14 The movable plate 301 includes a first connecting plate 3011 and a plurality of first pressing plates 3012 connected to the first connecting plate 3011. The first connecting plate 3011 is connected to the driving assembly 302. The driving assembly 302 drives the first connecting plate 3011 to move so that the first connecting plate 3011 drives the plurality of first pressing plates 3012 to contact the cover plate 20.

[0166] Multiple first pressure plates 3012 are evenly distributed on the first connecting plate 3011, and the spacing between two adjacent first pressure plates 3012 is greater than the radial dimension of the sleeve 41, so that the sleeve 41 can be accommodated in the interval space between two adjacent first pressure plates 3012, avoiding interference between the multiple first pressure plates 3012 and the sleeve 41 when contacting the cover plate 20.

[0167] When the movable plate 301 presses the cover plate 20 and the base 10 , the plurality of first pressing plates 3012 are evenly distributed on the cover plate 20 to improve the uniformity of the pressure applied by the movable plate 301 to the cover plate 20 , ensure the horizontality of the cover plate 20 , and thereby improve the sealing performance of the container sealing device 100 .

[0168] In one implementation, see Fig.15 The movable plate 301 includes a second connecting plate 3013 and a second pressing plate 3014 connected to the second connecting plate 3013. The second connecting plate 3013 is connected to the driving assembly 302. The driving assembly 302 drives the second connecting plate 3013 to move, so that the second connecting plate 3013 drives the second pressing plate 3014 to contact the cover plate 20. The second connecting plate 3013 and the fixed plate 303 enclose an accommodation space. The driving assembly 302, the switch valve 305 and the air pressure proportional valve 304 can be arranged in the accommodation space, that is, located below the fixed plate 303. Such an arrangement can make the overall structure compact and save space.

[0169] The second pressure plate 3014 has an avoidance portion 3015, which passes through the second pressure plate 3014 along the direction from the second pressure plate 3014 to the fixed plate 303. The avoidance portion 3015 is used to avoid the sleeve 41. The orthographic projection area of ​​the avoidance portion 3015 on the fixed plate 303 is greater than or equal to the orthographic projection area of ​​the sleeve 41 on the fixed plate 303, so that the sleeve 41 can pass through the second pressure plate 3014 from the avoidance portion 3015, so that the second pressure plate 3014 contacts the cover plate 20, avoiding interference between the second pressure plate 3014 and the sleeve 41 when contacting the cover plate 20.

[0170] Optionally, there are multiple avoidance portions 3015, and the multiple avoidance portions 3015 are arranged at intervals on the second pressing plate 3014. The distribution mode of the multiple avoidance portions 3015 corresponds to the distribution mode of the sleeve assembly 40 on the cover plate 20, and the multiple avoidance portions 3015 can be distributed in an array on the second pressing plate 3014. There are multiple sleeve assemblies 40, and a single avoidance portion 3015 is opposite to at least one sleeve assembly 40, so that a single avoidance portion 3015 passes through at least one sleeve assembly 40. The minimum distance between two adjacent avoidance portions 3015 is a first distance, and the minimum distance between two sleeve assemblies 40 opposite to different avoidance portions 3015 is a second distance. The first distance is smaller than the second distance, so that the size of the avoidance portion 3015 is larger than the size of the sleeve assembly 40, so that the sleeve assembly 40 passes through the avoidance portion 3015, and the interference between the second pressing plate 3014 and the sleeve 41 is avoided when the second pressing plate 3014 contacts the cover plate 20.

[0171] This application also provides a sealing test method, please refer to Fig.16 The sealing test method is applied to the above-mentioned container sealing device 1000, and a container 50 containing a sample solution has been placed in the container sealing device 100; the method comprises:

[0172] Step S10: determining an initial pressure value;

[0173] Step S20: Control the pressing device 300 to press the cover plate 20 with an initial pressure value, so that the cover plate 20 is pressed against the base 10;

[0174] Step S30: Control the fastening device 200 to drive the fastener 42 to rotate, so that the cover plate 20 and the base 10 are connected and the container 50 is sealed;

[0175] Step S40 : heating the container sealing device 100 , and after standing for a preset time, detecting the change in the height of the liquid level in the container 50 , or detecting the change in the weight of the container sealing device 100 .

[0176] Step S50: Determine whether the change in the liquid level in the container 50 is less than or equal to the first set value, or whether the weight change of the container sealing device 100 is less than or equal to the second set value; if the judgment result is yes, execute step S60, if the judgment result is no, execute step S70.

[0177] Step S60: Determine whether the sealing performance of the container sealing device 100 meets the experimental requirements under the initial pressure value.

[0178] Step S70: Adjust the pressure value to obtain an adjusted pressure value, and repeat steps S20 to S50 until the adjusted current pressure value enables the sealing performance of the container sealing device 100 to meet the experimental requirements.

[0179] Specifically, in step S50, if the change in the liquid level is less than or equal to the first set value, or the change in the weight is less than or equal to the second set value, it is determined that the sealing performance of the container sealing device 100 under the initial pressure value meets the experimental requirements. Otherwise, the pressure value in step S10 is adjusted, and the above steps S20 to S50 are repeated, and in step S20, the pressing device 300 is controlled to press the cover plate 20 with the adjusted current pressure value, and the adjusted pressure value is greater than the initial pressure value, until the sealing performance of the container sealing device 100 meets the experimental requirements.

[0180] In the description of this specification, the description with reference to the terms "embodiment", "specific embodiment", "example" or "specific example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations 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 one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0181] What is disclosed above is only a preferred embodiment of the present application, and it certainly cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiment and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A container sealing device, characterized in that: include: A base, provided with a limiting portion, wherein the limiting portion is used to fix the container; A cover plate, wherein the cover plate has a first mounting hole; A sealing member connected to a surface of one side of the cover plate, the sealing member having a second mounting hole, the second mounting hole being in communication with the first mounting hole, and the sealing member being used to close the opening of the container when the cover plate is covered on the base; A sleeve assembly comprises a sleeve, a fastener and an elastic member, wherein the sleeve is connected to the surface of the cover plate facing away from the seal, the sleeve is communicated with the first mounting hole, at least part of the fastener and the elastic member are accommodated in the sleeve, one end of the fastener close to the base passes through the first mounting hole and the second mounting hole and is detachably connected to the base, the end of the fastener away from the base has an abutment portion, the elastic member is sleeved on the outer periphery of the fastener, and the two ends of the elastic member respectively abut against the abutment portion and the surface of the cover plate facing away from the seal.

2. The container sealing device according to claim 1, characterized in that: The sleeve comprises a sleeve body and a fixing portion, wherein the fixing portion is connected to an outer peripheral surface of the sleeve body, the sleeve body is communicated with the first mounting hole, and the fixing portion is detachably connected to the cover plate.

3. The container sealing device according to claim 1, characterized in that: The sleeve assembly also includes a limit cover, which is connected to an end of the sleeve facing away from the cover plate. The limit cover has an operation hole, which is opposite to the fastener and has a size smaller than that of the abutment portion.

4. The container sealing device according to claim 1, characterized in that: There are multiple sleeve assemblies, and the multiple sleeve assemblies are evenly distributed on the surface of the cover plate; there are multiple limiting parts, and the multiple limiting parts are distributed in an array on the base, and each limiting part corresponds to fixing one container.

5. The container sealing device according to claim 1, characterized in that: The base has a fastening fitting, and one end of the fastening fitting close to the base passes through the first mounting hole and the second mounting hole and is connected with the fastening fitting so that the cover plate is detachably connected to the base.

6. The container sealing device according to claim 1, characterized in that: The cover plate has a first positioning member, which is located on a side of the cover plate facing the base. The base has a second positioning member, which is located on a side of the base facing the cover plate. The first positioning member and the second positioning member are detachably connected.

7. The container sealing device according to claim 1, characterized in that: The container sealing device also includes a support member, one end of which is connected to one of the cover plate and the base, and when the cover plate is connected to the base, the other end of the support member abuts against the other of the cover plate and the base.

8. The container sealing device according to claim 7, characterized in that: The support member includes a rigid part and an elastic part which are connected to each other. One of the base and the cover is connected to the rigid part, and the other is in contact with the elastic part.

9. The container sealing device according to claim 8, characterized in that: The elastic part is in a truncated cone shape, and the area of ​​a surface of the elastic part away from one end of the rigid part is smaller than the area of ​​a surface of the elastic part connected to the rigid part.

10. The container sealing device according to claim 1, characterized in that: The cover plate has a first pressure relief hole, and a distribution area of ​​the first pressure relief hole at least partially overlaps with an orthographic projection area of ​​the sealing member on the cover plate.

11. The container sealing device according to claim 1, characterized in that: The container sealing device also includes a first fitting member and a second fitting member, wherein the first fitting member is arranged on a side of the cover plate facing the sealing member, and the second fitting member is connected to a side of the sealing member facing the cover plate, and the first fitting member and the second fitting member are detachably connected.

12. The container sealing device according to claim 11, characterized in that: The first matching piece is a magnet, and the second matching piece is an iron sheet.

13. The container sealing device according to claim 1, characterized in that: The sealing member comprises a high-viscosity portion and a low-viscosity portion which are connected and are stacked. The high-viscosity portion is connected to the cover plate, and the low-viscosity portion is used to seal the opening of the container when the cover plate covers the base.

14. The container sealing device according to claim 13, characterized in that: The thickness of the high-viscosity portion is greater than that of the low-viscosity portion; the thickness of the high-viscosity portion is 3-8 mm, and the thickness of the low-viscosity portion is 0.05 mm-0.2 mm.

15. The container sealing device according to claim 13, characterized in that: The high-viscosity portion is made of silicone material, and the low-viscosity portion is made of PFA material.

16. The container sealing device according to any one of claims 1 to 15, characterized in that: The base includes a shell and a limiting plate, wherein the limiting plate is located on a side of the shell close to the cover plate, the limiting plate and the shell are detachably connected, the limiting plate has the limiting portion, the limiting portion is used to insert and fix the container, and the opening of the container protrudes from the limiting portion.

17. The container sealing device according to claim 16, characterized in that: The container sealing device further comprises a buffer member, wherein the buffer member is located between the shell and the limiting plate, and the buffer member is used for supporting the container.

18. The container sealing device according to claim 17, characterized in that: The surface of the shell facing the limit plate has a groove for accommodating the buffer; the bottom wall of the groove has a second pressure relief hole, and the distribution area of ​​the second pressure relief hole at least partially overlaps with the positive projection area of ​​the buffer on the bottom wall of the groove.

19. The container sealing device according to claim 17, characterized in that: The limiting plate has a third matching piece, the shell has a fourth matching piece, the third matching piece and the fourth matching piece are detachably connected, the fourth matching piece protrudes from the surface of the shell facing the limiting plate, the buffer has a third mounting hole, and the fourth matching piece can be accommodated in the third mounting hole.

20. A container sealing device, characterized in that: The invention comprises a fastening device and a container sealing device as claimed in any one of claims 1 to 19, wherein the container sealing device is used to carry a container having an opening, and when a cover plate of the container sealing device is covered on a base, the fastening device extends into a sleeve of the container sealing device and contacts a fastener, and the fastening device rotates the fastener to seal or unseal the container.

21. The container sealing device according to claim 20, characterized in that The fastening device comprises a rotating member and a moving assembly, wherein the moving assembly is connected to the rotating member and is used to drive the rotating member to move so that the rotating member contacts the fastening member.

22. The container sealing device according to claim 20, characterized in that The container sealing device also includes a clamping device, which includes a moving plate and a driving assembly. The driving assembly is connected to the moving plate, the driving assembly is used to drive the moving plate to move, and the moving plate is used to clamp the cover plate and the base.

23. The container sealing device according to claim 22, characterized in that The pressing device also includes a fixed plate, the container sealing device is placed on the fixed plate, and the movable plate and the fixed plate are arranged opposite to each other.

24. The container sealing device according to claim 23, characterized in that The movable plate includes a first connecting plate and a plurality of first pressure plates connected to the first connecting plate, wherein the first connecting plate is drivingly connected to the driving assembly; the plurality of first pressure plates are evenly distributed on the first connecting plate, and the spacing between two adjacent first pressure plates is greater than the radial dimension of the sleeve.

25. The container sealing device according to claim 23, characterized in that The movable plate includes a second connecting plate and a second pressing plate connected to the second connecting plate, wherein the second connecting plate is drivingly connected to the driving assembly; the second pressing plate has an avoidance portion, which passes through the second pressing plate along a direction from the second pressing plate to the fixed plate, and the avoidance portion is used to avoid the sleeve.

26. The container sealing device according to claim 25, characterized in that There are multiple avoidance parts, and the multiple avoidance parts are arranged at intervals on the second pressure plate. There are multiple sleeve assemblies, and a single avoidance part is opposite to at least one sleeve assembly. The minimum distance between two adjacent avoidance parts is smaller than the minimum distance between two sleeve assemblies opposite to different avoidance parts.

27. The container sealing device of claim 22, wherein: The driving assembly is driven by a cylinder, and the clamping device also includes a switch valve and a pneumatic proportional valve. The pneumatic proportional valve is connected to the air source, and the switch valve is respectively connected to the pneumatic proportional valve and the driving assembly. The pneumatic proportional valve is used to adjust the air pressure input to the driving assembly, and the switch valve is used to control the on-off of the air circuit input to the driving assembly.

28. A sealing test method, characterized in that: The sealing test method is applied to the container sealing device according to any one of claims 22 to 27, wherein a container containing a sample solution is placed in the container sealing device; the method comprises: Determine the initial pressure value; Controlling the pressing device to press the cover plate with an initial pressure value, so that the cover plate is pressed against the base with the initial pressure value; Controlling the fastening device to drive the fastener to rotate, so that the cover plate and the base are connected and the container is sealed; The container sealing device is heated, and after standing for a preset time, a change in the height of the liquid level in the container is detected, or a change in the weight of the container sealing device is detected; If the change in the liquid level height is less than or equal to the first set value, or the change in the weight is less than or equal to the second set value, it is determined that the sealing performance of the container sealing device meets the experimental requirements under the initial pressure value.

29. The sealing test method according to claim 28, characterized in that: The sealing test method further comprises: If the change in the liquid level is greater than the first set value, or the change in the weight is greater than the second set value, the pressure value is adjusted to obtain an adjusted pressure value; Controlling the pressing device to press the cover plate with an adjusted pressure value, so that the cover plate is pressed against the base with the adjusted pressure value, and the adjusted pressure value is greater than the initial pressure value; Controlling the fastening device to drive the fastener to rotate, so that the cover plate and the base are connected and the container is sealed; The container sealing device is heated, and after standing for the preset time, a change in the height of the liquid level in the container is detected, or a change in the weight of the container sealing device is detected; If the change in the liquid level height is less than or equal to the first set value, or the change in the weight is less than or equal to the second set value, it is determined that the sealing performance of the container sealing device meets the experimental requirements under the adjusted pressure value.

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