CN219600453U - Clamping assembly for disposable biological bags - Google Patents

Abstract

The utility model relates to a clamping assembly for a disposable biological bag, which comprises a base, a pair of clamping arms and an elastic piece, wherein the clamping arms can be arranged on the base in a mutually approaching or separating way; the elastic piece is connected with the clamping arm and the base, and the elastic piece is used for applying force for moving the clamping arm towards the direction of approaching each other. The clamping assembly for the disposable biological bag provided by the utility model comprises the base, the pair of clamping arms and the elastic piece, and is very simple in structure. When the disposable biological bag is clamped, the pair of clamping arms are pulled open through manual operation, then the end head of the disposable biological bag is placed between the pair of clamping arms, then the clamping arms are loosened, under the elastic force of the elastic piece, the elastic piece can drive the clamping arms to automatically reset so as to clamp the end head, and the operation is convenient and the clamping is reliable.

Description

Clamping assembly for disposable biological bags

Technical Field

The utility model relates to the technical field of tools, in particular to a clamping assembly for a disposable biological bag.

Background

The disposable biological bag has the advantages of low starting cost, convenient use, low pollution risk, easy process amplification and the like, is widely applied to the field of biological pharmacy, and can avoid cross pollution.

Disposable biological bags are commonly used in cell culture, where the cells within the disposable biological bag need to be observed and detected in real time during cell culture. Thus, disposable biological bags are typically provided with multiple ports, e.g., a feed port, a sampling port, a fill port, an electrode port, and a vent port, among others. In order to facilitate connection with other devices, interfaces are welded on the plurality of bag openings. During welding, a clamping assembly is generally used for clamping the end part of the disposable biological bag. However, the existing clamping assembly is generally complex in structure and inconvenient in clamping operation.

Disclosure of Invention

Based on this, it is necessary to provide a clamping assembly for disposable bio-bags that is simple in structure and advantageous for simplified operation.

A clamping assembly for a disposable bio-bag comprising: the clamping arms are arranged on the base in a mutually approaching or separating way; the elastic piece is connected with the clamping arm and the base, and is used for applying force for moving the clamping arm towards the direction approaching to each other.

In one embodiment, the clamping arm comprises a mounting portion, a connecting portion and a clamping portion, wherein the mounting portion, the connecting portion and the clamping portion are sequentially connected and enclose a clamping groove, the mounting portion is mounted on the base, and a notch of the clamping groove faces the other clamping groove.

In one embodiment, the mounting portion is connected to one side of the base, the connecting portion is located at an outer side of the mounting portion, the engaging portion is located at a side, away from the mounting portion, of the base, and the engaging portion is disposed at an interval with the base.

In one embodiment, one end of the elastic member is connected to the base, and the other end is connected to the mounting portion.

In one embodiment, the mounting portion is provided with a connection hole, the elastic member is a bead screw, one end of the elastic member is in threaded connection with the base, and the other end of the elastic member is connected to the connection hole.

In one embodiment, the base is provided with a limiting post, the mounting portion is provided with a limiting hole, the limiting post movably penetrates through the limiting hole, and the limiting hole is used for limiting the moving stroke of the clamping arm.

In one embodiment, the limiting hole is an elongated hole, and the limiting hole extends along a direction of a central connecting line of the pair of clamping arms.

In one embodiment, the base is provided with a positioning shaft, one end of the positioning shaft extends out from one side of the base, which is close to the clamping part, and the end part of the positioning shaft is provided with a positioning convex disc.

In one embodiment, the elastic member is a ball screw or a spring.

In one embodiment, the clamping arm is provided with a handle for holding.

Compared with the prior art, the clamping assembly for the disposable biological bag provided by the utility model comprises the base, the pair of clamping arms and the elastic piece, and is very simple in structure. When the disposable biological bag is clamped, the pair of clamping arms are pulled open through manual operation, then the end head of the disposable biological bag is placed between the pair of clamping arms, then the clamping arms are loosened, under the elastic force of the elastic piece, the elastic piece can drive the clamping arms to automatically reset so as to clamp the end head, and the operation is convenient and the clamping is reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of the structure of a disposable bio bag;

FIG. 2 is a partial enlarged view at B in FIG. 1;

FIG. 3 is a schematic view of a clamping assembly for a disposable bio bag according to an embodiment of the present utility model applied to clamping a disposable bio bag;

FIG. 4 is a cross-sectional view of a clamping assembly for a disposable bio-bag according to an embodiment of the utility model;

FIG. 5 is a perspective view of a clamping assembly for a disposable bio-bag according to an embodiment of the utility model;

FIG. 6 is a schematic diagram of another view of FIG. 5;

fig. 7 is a perspective view of a second clip arm according to an embodiment of the present utility model.

Reference numerals: 100. a bracket; 300. a clamping assembly for a disposable bio-bag; 310. a base; 320. a clamp arm; 321. a mounting part; 3211. a connection hole; 3212. a limiting hole; 322. a connection part; 323. an engagement portion; 324. a clamping groove; 330. an elastic member; 340. a limit column; 350. positioning a shaft; 351. positioning the convex disc; 360. a handle; 361. holding the through hole; 370. a connecting column; 371. a stop end; 380. connecting sleeves; 900. a disposable biological bag; 910. a first end; 920. a second end; 921. a second groove; 922. a third groove; 930. a bag body; 931. and (5) a bag opening.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present utility model for the purpose of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of the present utility model have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in the description of the present utility model includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a schematic structure of a disposable bio-bag 900 is shown, and the disposable bio-bag 900 includes a bag 930 and a tip disposed at an end of the bag 930. The bag 930 may have ends at both ends, or may have ends at only one end, which is not limited in the present utility model. For the bag 930 with ends at both ends, the structures of the ends at both ends of the bag 930 may be the same or different, which is not limited by the present utility model. The present utility model provides a clamping assembly 300 for a disposable bio-bag, which is suitable for clamping the end of the disposable bio-bag 900, wherein a plurality of bag openings 931 are arranged on the bag body 930, so that the disposable bio-bag 900 can be fixed by using the clamping assembly 300 for the disposable bio-bag, and the bag openings 931 on the bag body 930 can be welded conveniently. Of course, the clamping assembly 300 for the disposable bio-bag may be adapted for clamping the disposable bio-bag 900 in other processes.

Referring to fig. 1 and 2, in the present utility model, two ends of the bag 930 are respectively provided with a first end 910 and a second end 920. Wherein the outer wall of the second end 920 is provided with an annular second groove 921. The clamping assembly 300 for disposable bio-bags can clamp the second end 920 by clamping into the second slot 921. Of course, in other embodiments, the clamping assembly 300 for disposable bio-bags may also be used to clamp the first end 910. Hereinafter, the second end 920 is clamped by way of example.

Referring to fig. 3, the clamping assembly 300 for a disposable bio-bag includes a base 310, a pair of clamping arms 320, and an elastic member 330. The pair of clamping arms 320 may be disposed on the base 310 toward or away from each other. The elastic member 330 connects the clip arm 320 and the base 310, and the elastic member 330 is used to apply a force to the clip arm 320 that moves in a direction toward each other. When the disposable bio-bag 900 is clamped, the pair of clamping arms 320 can be manually operated to be pulled apart, then the second end 920 of the disposable bio-bag 900 is placed between the pair of clamping arms 320, then the clamping arms 320 are released, and the pair of clamping arms 320 automatically approach under the elastic force of the elastic member 330, so that the second end 920 of the disposable bio-bag 900 can be clamped by using the clamping assembly 300 for the disposable bio-bag. The clamping assembly 300 for the disposable biological bag is simple in structure, the elastic piece 330 can drive the clamping arm 320 to automatically reset so as to clamp the second end 920, and the clamping assembly is convenient to operate and reliable in clamping.

The clamping arm 320 includes an installation portion 321, a connection portion 322, and a locking portion 323, where the installation portion 321, the connection portion 322, and the locking portion 323 are sequentially connected and enclose a clamping groove 324, the installation portion 321 is installed on the base 310, and a notch of the clamping groove 324 faces another clamping groove 324. When the disposable biological bag 900 is clamped, the second end 920 is partially received in the clamping groove 324, and the clamping portion 323 extends into the second groove 921 of the second end 920, so that the second end 920 can be firmly fixed, and the firmness of clamping the disposable biological bag 900 is ensured.

The mounting portion 321 is connected to one side of the base 310, the connecting portion 322 is located outside the mounting portion 321, the engaging portion 323 is located on one side of the base 310 away from the mounting portion 321, and the engaging portion 323 is spaced from the base 310. In this way, the clip arm 320 is enclosed outside the base 310, so that the connection between the clip arm 320 and the base 310 is more reliable.

The elastic member 330 has one end connected to the base 310 and the other end connected to the mounting portion 321. In this way, the structure is more compact. The elastic member 330 may be disposed in the base 310 and the mounting portion 321, so that the structure is more compact and the appearance is more attractive.

Further, the elastic member 330 is a ball screw or a spring, and the spring may be a compression spring, an extension spring or a torsion spring, but is not limited thereto, and in other embodiments, the elastic member 330 may be an elastic cord, etc., as long as the elastic member 330 can apply a force to the clip arm 320 to rotate toward the closed state.

In this embodiment, the elastic member 330 is a ball screw, the mounting portion 321 is provided with a connecting hole 3211, one end of the elastic member 330 is screwed with the base 310, and the other end is connected to the connecting hole 3211. Therefore, the base 310 and the clamping arm 320 are connected compactly, the ball screw can provide better elastic force, and the ball screw is partially hidden in the connecting hole 3211, so that the appearance is attractive.

The base 310 is provided with a limiting post 340, the mounting portion 321 is provided with a limiting hole 3212, the limiting post 340 movably penetrates through the limiting hole 3212, and the limiting hole 3212 is used for limiting the moving stroke of the clamping arm 320. The positioning of the stop posts 340 and the stop holes 3212 limits the range of movement of the clip arms 320, thereby preventing the pair of clip arms 320 from being pulled too far apart or relatively too close together. Pulling the pair of clip arms 320 too far apart will overstretch the elastic member 330, thereby easily damaging the elastic member 330. The pair of clamp arms 320 are relatively close together and strike the second end 920, thereby abrading the second end 920. The present embodiment provides the cooperation of the limiting post 340 and the limiting hole 3212, so as to avoid overstretching the elastic element 330 and avoiding striking the second end 920.

In this embodiment, the limiting post 340 is a flat head screw, and the limiting post 340 is in threaded connection with the base 310, so that the connection is firm, and the assembly is convenient.

The limiting hole 3212 is an elongated hole, and the limiting hole 3212 extends along a direction of a central line of the pair of clip arms 320. In this manner, when the stopper post 340 moves along the stopper hole 3212, the pair of clip arms 320 move in a direction relatively away from or toward each other.

The clamp arm 320 is provided with a handle 360 for gripping. In use, a user can pull the pair of clamping arms 320 apart relatively by holding the handle 360, which is convenient to operate. In this embodiment, the handle 360 is in a curved bar shape, two ends of the handle 360 are both connected to the mounting portion 321 of the clamping arm 320, so a holding through hole 361 is enclosed between the handle 360 and the mounting portion 321, and when the handle 360 is held, four fingers can pass through the holding through hole 361 to be held on the handle 360, so that the application of force by a user is facilitated.

Referring to fig. 4, a positioning shaft 350 is disposed on the base 310, one end of the positioning shaft 350 extends from a side of the base 310 near the engaging portion 323, and a positioning protruding disc 351 is disposed at an end of the positioning shaft 350. Referring to fig. 2, a third groove 922 is provided at an end of the second end 920. When the second end 920 is clamped, the positioning shaft 350 and the positioning boss 351 extend into the third groove 922, the second end 920 is partially received in the clamping groove 324, and the engaging portion 323 of the clamping arm 320 extends into the second groove 921, so that the clamping arm 320 is clamped to the second end 920. The positioning shaft 350 and the positioning convex disc 351 play a role in positioning the clamping of the second end 920, so that the second end 920 is clamped in place.

The clamping assembly 300 for disposable bio-bags is mounted on the stand 100 when applied to clamping the disposable bio-bags 900. Specifically, the clamping assembly 300 for a disposable biological bag further includes a connection post 370 fixedly connected with the base 310, in this embodiment, the positioning shaft 350 is penetrating through the base 310, and one end of the positioning shaft 350 away from the positioning cam 351 extends from a side of the base 310 away from the engaging portion 323, and forms the connection post 370. In other words, the connection post 370 and the positioning shaft 350 are of a unitary structure. Of course, in other embodiments, the connecting post 370 and the positioning shaft 350 may be connected to two sides of the base 310. The coupling post 370 is rotatably coupled to the bracket 100 through the coupling sleeve 380 such that the clamping assembly 300 for the disposable bio-bag is rotatably coupled to the bracket 100. Thus, when the disposable bio-bag 900 is clamped by the clamping assembly 300 for the disposable bio-bag, the disposable bio-bag 900 can be rotated, so that the disposable bio-bag 900 can be rotated to a proper position.

Specifically, the adapter sleeve 380 is fixed to the support 100, the connecting post 370 rotatably penetrates through the adapter sleeve 380, and an end of the connecting post 370 away from the base 310 is stopped at an end of the adapter sleeve 380 by a stopping end 371. In this manner, the connection post 370 is able to rotate within the adapter sleeve 380 such that the connection post 370 is rotatably coupled to the bracket 100 through the adapter sleeve 380. In one embodiment, the stop 371 may be a screw threaded onto the connecting post 370, and the head of the screw may stop against one end of the adapter sleeve 380, thereby preventing the second connecting post 370 from falling off.

The clamping assembly 300 for disposable biological bags works on the principle that: the two clamping arms 320 are manually pulled apart so that the two clamping arms 320 are relatively far apart, and then the second end 920 of the disposable bio-bag 900 is installed between the two clamping arms 320, at this time, the engaging portion 323 of the clamping arm 320 is just located at the outer side of the second groove 921, the clamping arms 320 are released, and the clamping arms 320 move towards the direction approaching to each other under the elastic force of the elastic member 330 to automatically reset, so that the engaging portion 323 of the clamping arm 320 is engaged into the second groove 921, and the second end 920 of the disposable bio-bag 900 is firmly clamped.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. A clamping assembly for a disposable bio-bag comprising:

a base (310),

a pair of clamping arms (320), wherein the clamping arms (320) are arranged on the base (310) in a mutually approaching or separating way; and

and an elastic member (330), wherein the elastic member (330) connects the clip arm (320) and the base (310), and the elastic member (330) is used for applying a force to the clip arm (320) to move in a direction approaching each other.

2. The clamping assembly for disposable biological bags according to claim 1, wherein the clamping arm (320) comprises a mounting portion (321), a connecting portion (322) and a clamping portion (323), the mounting portion (321), the connecting portion (322) and the clamping portion (323) are sequentially connected and enclose a clamping groove (324),

the mounting part (321) is mounted on the base (310), and the notch of the clamping groove (324) faces the other clamping groove (324).

3. The clamping assembly for a disposable bio-bag according to claim 2, wherein the mounting portion (321) is connected to one side of the base (310), the connecting portion (322) is located outside the mounting portion (321), the engaging portion (323) is located on one side of the base (310) away from the mounting portion (321), and the engaging portion (323) is disposed at a distance from the base (310).

4. A clamping assembly for a disposable bio bag according to claim 3 wherein said resilient member (330) is connected to said base (310) at one end and to said mounting portion (321) at the other end.

5. The clamping assembly for a disposable bio-bag according to claim 4, wherein the mounting portion (321) is provided with a connection hole (3211), the elastic member (330) is a bead screw, one end of the elastic member (330) is in threaded connection with the base (310), and the other end is connected to the connection hole (3211).

6. The clamping assembly for disposable biological bags according to claim 2, wherein the base (310) is provided with a limit post (340), the mounting portion (321) is provided with a limit hole (3212), the limit post (340) is movably inserted into the limit hole (3212), and the limit hole (3212) is used for limiting the movement stroke of the clamping arm (320).

7. The clamping assembly for disposable biological bags according to claim 6, wherein the limiting aperture (3212) is an elongated aperture and the limiting aperture (3212) extends in the direction of the central line of the pair of clamping arms (320).

8. The clamping assembly for disposable biological bags according to claim 2, wherein a positioning shaft (350) is provided on the base (310), one end of the positioning shaft (350) extends from one side of the base (310) close to the clamping portion (323), and a positioning convex disc (351) is provided at an end of the positioning shaft (350).

9. The clamping assembly for a disposable bio bag according to claim 1, wherein the elastic member (330) is a beaded screw or a spring.

10. Clamping assembly for disposable bio-bags according to claim 1, characterized in that the clamping arm (320) is provided with a handle (360) for gripping.