CN114100721A

CN114100721A - Freeze-drying pipe and multi-connected freeze-drying pipe

Info

Publication number: CN114100721A
Application number: CN202111501510.3A
Authority: CN
Inventors: 陈维民; 游秋凤; 丘伟萍; 郑学林; 刘柳莉; 林志伟
Original assignee: Merlin Xiamen Biomedical Co ltd
Current assignee: Merlin Xiamen Biomedical Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-03-01

Abstract

The invention discloses a freeze-drying tube and a multi-split freeze-drying tube, which comprise a tube body and a tube cover made of flexible materials, wherein the tube cover comprises a pre-plugging part which can be plugged into an opening end of the tube body in a matching manner and a sealing part which can be arranged at the top end of the pre-plugging part and can tightly plug the opening end of the tube body, an axial through hole is arranged in the pre-plugging part, the sealing part consists of a plurality of correspondingly arranged sealing monomers, an opening communicated with the axial through hole of the pre-plugging part is formed between each sealing monomer, and each sealing monomer is configured as follows: when the sealing structure is extruded by external force, the sealing monomers are mutually folded and tightly attached to enable the openings to be airtight, and the sealing monomers are spliced to form the sealing plug structure capable of sealing the opening end of the pipe body. The invention has simple and reasonable integral structure and difficult production, and is beneficial to improving the production efficiency.

Description

Freeze-drying pipe and multi-connected freeze-drying pipe

Technical Field

The invention relates to the technical field of test tubes, in particular to a freeze-drying tube and a multi-connection freeze-drying tube.

Background

Chinese document CN208748069U (application date: 11/21/2017) discloses a test tube cover for freeze-drying a detection reagent, and Chinese document CN214525521U (application date: 06/29/2020) discloses a centrifuge tube cover for freeze-drying a trace amount of a reagent. The pipe cover is generally an injection molding part made of plastics, and due to the special characteristics of ventilation and sealing requirements of the pipe cover structure, certain difficulty exists in the production process of the pipe cover product, or demoulding difficulty exists, or multiple hole opening machining procedures exist, and further the production efficiency of the pipe cover is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a freeze-drying tube, which mainly solves the technical problem that the tube cover of the freeze-drying tube in the prior art is difficult to produce and has low efficiency.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a freeze-drying tube, includes the tube cap of body and flexible material, the tube cap including can the adaptation fill in body open end fill in the portion of pluging in advance and can set up in the portion of pluging in advance top and the sealing of enough closely blockking up the body open end, set up axial through hole in the portion of pluging in advance, the sealing comprises the sealed monomer that a plurality of correspondences set up, be formed with between each sealed monomer with the uncovered that the axial through hole of pluging in advance is linked together, each sealed monomer is configured into: when the sealing structure is extruded by external force, the sealing monomers are mutually folded and tightly attached to enable the openings to be airtight, and the sealing monomers are spliced to form the sealing plug structure capable of sealing the opening end of the pipe body.

Furthermore, each sealing single body of the sealing part is connected with the top end of the pre-plugging part through a transition connecting part.

Furthermore, the transition connecting part is of a round table-shaped structure with a large upper part and a small lower part.

Further, the tube cover is integrally formed by rubber or silica gel materials.

Further, the sealing part is composed of two sealing single bodies which are oppositely arranged at the left and the right.

Furthermore, a sealing convex rib capable of improving the sealing performance of the opening closure is arranged on the inner side surface of the sealing monomer.

Based on the same conception, the invention also provides a multi-connection freeze-drying pipe which comprises a plurality of freeze-drying pipes, wherein the plurality of freeze-drying pipes are connected together to form a multi-connection pipe body structure, and the pipe covers are connected together to form a multi-connection pipe cover structure.

Further, the multi-connection pipe body structure is an eight-connection pipe body structure formed by connecting eight pipe bodies in a straight line, and the multi-connection pipe cover structure is an eight-connection pipe cover structure formed by connecting eight pipe covers in a straight line.

Furthermore, the sealing monomers on the same side of the adjacent tube covers in the eight-tube-connected tube cover structure are connected into a whole through a connecting part.

The technical scheme has the following advantages or beneficial effects:

in the freeze-drying tube and the multi-split freeze-drying tube, the tube cover comprises a pre-plugging part which can be pre-plugged into the open end of the tube body, the tube cover can be pre-installed on the tube body through the pre-plugging part, because the pre-plugging part is provided with an axial through hole, external cold air can be introduced into the tube body through the axial through hole for freeze-drying, meanwhile, the top end of the pre-plugging part is provided with a sealing part which can tightly plug the open end of the tube body, the sealing part consists of a plurality of correspondingly arranged sealing monomers, openings communicated with the axial through hole of the pre-plugging part are formed among the sealing monomers, the external cold air can be ensured to fully enter the tube body through the axial through hole in the pre-plugging part through the openings, in addition, after the freeze-drying is finished, only the tube cover needs to be continuously pressed, and after the peripheral wall of the open end of the tube body exerts an extrusion external force on the sealing monomers, each sealed monomer draws in each other and pastes tightly and makes each uncovered airtight and then will advance the axial through hole in the stopper to close, and each sealed monomer amalgamation constitutes the sealing plug structure that can seal the body open end, and then makes the sealing portion can closely block up the open end seal of body, and its overall structure is simple reasonable, and the production degree of difficulty ground is favorable to improving its production efficiency.

Drawings

Fig. 1 is a schematic structural view of a tube body and a tube cover in a separated state according to an embodiment of the present invention.

Fig. 2 is another angle structure diagram illustrating a separated state of the tube body and the tube cover according to the embodiment of the present invention.

Fig. 3 is a schematic perspective view illustrating the pre-plugging portion of the tube cap according to the embodiment of the present invention plugged into the open end of the tube body.

Fig. 4 is a side view showing the structure in which the pre-plugging portion of the cap is inserted into the open end of the tubular body according to the embodiment of the present invention.

Fig. 5 is a sectional view a-a in fig. 4.

Fig. 6 is a schematic perspective view illustrating a sealing portion of a cap of an embodiment of the present invention pressed into an opening end of a tube body.

Fig. 7 is a side view showing a structure in which the sealing portion of the cap is pressed into the open end of the tubular body according to the embodiment of the present invention.

Fig. 8 is a sectional view B-B in fig. 7.

Description of reference numerals:

1. the pipe body, 2, the pipe cover, 3, the connecting part, 21, the pre-plugging part, 22, the sealing part, 23, the transition connecting part, 211, the axial through hole, 221, the sealing single body, 222, the opening, 223 and the sealing convex rib.

Detailed Description

The invention is further described with reference to the following figures and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 8, an embodiment of the present invention provides a freeze-drying tube, including a tube body 1 and a tube cap 2 made of a flexible material, where the tube cap 2 includes a pre-plugging portion 21 capable of being plugged into an open end of the tube body 1 in a fitting manner, and a sealing portion 22 disposed at a top end of the pre-plugging portion 21 and capable of tightly plugging the open end of the tube body 1, an axial through hole 211 is formed in the pre-plugging portion 21, the sealing portion 22 is composed of a plurality of correspondingly disposed sealing single bodies 221, an opening 222 communicated with the axial through hole 211 of the pre-plugging portion 21 is formed between each of the sealing single bodies 221, and each of the sealing single bodies 221 is configured as: when the sealing body is squeezed by an external force, the sealing single bodies 221 are mutually folded and tightly attached to seal the openings 222, and the sealing single bodies 221 are spliced to form a sealing plug structure capable of sealing the opening end of the tube body 1. It can be understood that, in the present embodiment, the freeze-drying tube is composed of a tube body 1 and a tube cap 2 adapted to the tube body 1, the tube cap 2 is made of flexible material, wherein, the tube cap 2 includes a pre-plugging portion 21 capable of being pre-plugged into the open end of the tube body 1, the tube cap 2 can be pre-installed on the tube body 1 through the pre-plugging portion 21, and since an axial through hole 211 is opened in the pre-plugging portion 21, external cold air can be introduced into the tube body 1 through the axial through hole 211 for freeze-drying, meanwhile, a sealing portion 22 capable of tightly plugging the open end of the tube body 1 is provided at the top end of the pre-plugging portion 21, the sealing portion 22 is composed of a plurality of correspondingly arranged sealing monomers 221, and an opening 222 communicated with the axial through hole 211 of the pre-plugging portion 21 is formed between the sealing monomers 221, it can be ensured that the external cold air can sufficiently enter into the tube body 1 through the axial through hole 211 in the pre-plugging portion 21 through each opening 222, and, after freeze-drying is accomplished, only need to continue to push down tube cap 2, after the open end perisporium of body 1 exerted extrusion external force to each sealed monomer, each sealed monomer 221 draws in each other and pastes tightly and makes each uncovered 222 airtight and then close the axial through-hole 211 in the portion of pluging 21 in advance, and each sealed monomer 221 amalgamates and constitutes the sealing plug structure that can seal the body 1 open end, and then make sealing 22 can closely seal up the open end of body 1, this tube cap 2 is because adopt flexible material to make, make it can receive the compression deformation and then produce the sealing effect, and simultaneously, its overall structure is simple reasonable, the production degree of difficulty ground, be favorable to improving its production efficiency.

Referring to fig. 1, 4, 5 and 8, in a preferred embodiment, the sealing units 221 of the sealing portion 22 are connected to the top end of the pre-plugging portion 21 by a transition connection portion 23. Preferably, the transition connection portion 23 has a circular truncated cone-shaped structure with a large top and a small bottom, and the upper and lower ends of the transition connection portion 23 are respectively connected with the sealing single bodies 221 of the sealing portion 22 and the pre-plugging portion 21 in a smooth transition manner. It can be understood that, in the present embodiment, the transition connection portion 23 is configured to be a circular truncated cone-shaped structure with a large top and a small bottom, so that, in the process of pressing down the tube cap 2, the pressing down process of the tube cap 2 is smoother through the guiding effect of the conical peripheral surface of the circular truncated cone, and meanwhile, the sealing single bodies 221 can be automatically extruded, so that the sealing single bodies 221 can be automatically drawn together to approach each other and tightly adhere to each other after being pressed, and when the openings 222 are sealed, a cylindrical sealing plug structure adapted to the opening end of the tube body 1 is formed.

Referring to fig. 1, in a preferred embodiment, the cap 2 is integrally formed of rubber or silicone, and may be integrally molded by vulcanization or injection molding.

Referring to fig. 1, 4 and 5, in a preferred embodiment, the sealing portion 22 is composed of two sealing units 221 disposed opposite to each other. However, it should be understood by those skilled in the art that in other embodiments, the sealing portion 22 may also be composed of other numbers of sealing single units 221, for example, three or more sealing single units 221 capable of being spliced to form a cylindrical sealing plug adapted to the open end of the tube body 1, and the number of the sealing single units 221 composing the sealing portion 22 is not limited to the specific embodiment disclosed in the present embodiment, and those skilled in the art can specifically set the number according to specific needs.

Referring to fig. 1, 5 and 8, in a preferred embodiment, a sealing rib 223 capable of improving the sealing performance of the opening 222 is disposed on the inner side surface of the sealing unit 221.

Referring to fig. 1, 2, 3 and 6, an embodiment of the present invention further provides a multi-gang freeze pipe, which includes a plurality of freeze pipes according to any of the above embodiments, wherein the pipe bodies 1 are connected together to form a multi-gang pipe body structure, and the pipe caps 2 are connected together to form a multi-gang cap structure.

Referring to fig. 1, 2, 3 and 6, in a preferred embodiment, the multiple tube structure is an eight-connection tube structure formed by eight tubes 1 connected in a line, and the multiple tube cap structure is an eight-connection tube cap structure formed by eight tube caps 2 connected in a line.

Referring to fig. 1, fig. 2, fig. 3 and fig. 6, in a preferred embodiment, the sealing units 221 on the same side of the adjacent tube caps 2 in the eight-tube-cap structure are connected to form a whole through the connecting portion 3.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not make the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention, so that all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

Claims

1. The utility model provides a freeze-drying pipe, includes body (1) and tube cap (2) of flexible material, its characterized in that: pipe cap (2) including can the adaptation fill in the portion of pluging in advance (21) of body (1) open end and set up in the sealing portion (22) of pluging in advance portion (21) top and can closely block up body (1) open end, axial through hole (211) have been seted up in pluging in advance portion (21), sealing portion (22) comprise a plurality of sealed monomers (221) that correspond the setting, be formed with between each sealed monomer (221) with uncovered (222) that axial through hole (211) of pluging in advance portion (21) are linked together, each sealed monomer (221) is configured into: when the sealing device is extruded by external force, the sealing single bodies (221) are mutually folded and tightly attached to enable the openings (222) to be closed, and the sealing single bodies (221) are spliced to form a sealing plug structure capable of sealing the opening end of the pipe body (1).

2. The lyophilization tube of claim 1, wherein: the sealing single bodies (221) of the sealing part (22) are connected with the top end of the pre-plugging part (21) through a transition connecting part (23).

3. The lyophilization tube of claim 2, wherein: the transition connecting part (23) is in a circular truncated cone-shaped structure with a large upper part and a small lower part.

4. The lyophilization tube of claim 1, wherein: the tube cover (2) is integrally formed by rubber or silica gel materials.

5. The lyophilization tube of any one of claims 1 to 4, wherein: the sealing part (22) is composed of two sealing single bodies (221) which are oppositely arranged at the left and the right.

6. The lyophilization tube of claim 5, wherein: the inner side surface of the sealing single body (221) is provided with a sealing convex rib (223) capable of improving the closing sealing performance of the opening (222).

7. The utility model provides a many freeze-drying pipes that ally oneself with which characterized in that: the freeze-dried tube of any one of claims 1 to 6, comprising a plurality of tubes (1) connected together to form a multiple tube structure and tube caps (2) connected together to form a multiple tube cap structure.

8. A multi-gang freeze-drying tube as claimed in claim 7, wherein: the multi-connection pipe body structure is an eight-connection pipe body structure formed by connecting eight pipe bodies (1) in a straight line, and the multi-connection pipe cover structure is an eight-connection pipe cover structure formed by connecting eight pipe covers (2) in a straight line.

9. A multi-gang freeze-drying tube as claimed in claim 8, wherein: the sealing single bodies (221) on the same side of the adjacent tube covers (2) in the eight-tube-connected tube cover structure are connected into a whole through a connecting part (3).