CN217878484U

CN217878484U - Sterile sampling device

Info

Publication number: CN217878484U
Application number: CN202221823383.9U
Authority: CN
Inventors: 王罗智; 张程宣; 刘川亚
Original assignee: Hefei Limitless Technology Co ltd
Current assignee: Hefei Limitless Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-22
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses an aseptic sampling device, including the sampling needle, the sampling needle includes push rod, sealed rubber tube, thimble, the thimble is located sealed intraductal, the link cover of push rod afterbody is established sealed rubber tube outer wall to carry out the chucking through the snap ring, breach portion has been seted up to the terminal edge symmetry of link, makes the end of link form two connecting portion of disconnection, two during the connecting portion atress, its both sides edge is close to each other. The terminal cover of push rod is established at sealed rubber tube outer wall to add subtend breach groove at the link end to this offsets the piece of moulding that brings when snap ring locking and warp and spill over, and the link does not basically have turn-ups and fold when the fixed locking of snap ring, improves leakproofness and aesthetic property.

Description

Sterile sampling device

Technical Field

The utility model relates to a biological equipment technical field especially relates to an aseptic sampling device.

Background

The aseptic sampling valve is widely applied to industries such as wine brewing, beverages, milk foods, biomedicines and the like, and is a tool for aseptic sampling from a container. The existing aseptic sampling device applied to the biological medicine industry mostly adopts a needle-punching type structure and comprises a connecting bracket and a needle-punching type sampling valve arranged in the connecting bracket. The needle-punching type sampling valve mostly adopts a Y-shaped push rod structure and comprises a push rod body, a thimble connected to the front end of the push rod body and a sealing rubber tube wrapped outside the thimble, wherein the sealing rubber tube is of a transparent structure, and the tip end of the thimble needle penetrates through the sealing rubber tube to extend out when the needle-punching type sampling valve is used.

At present, a push rod body is connected with a front-end sealing rubber pipe by a clamping ring, but after the clamping ring is locked, the edge of a connecting end at the tail end of the push rod body is flanged and wrinkled to deform, so that the sealing property and the attractiveness are influenced; in addition, after the sampling valve is arranged in the connecting support, local pressure leakage is caused by the existence of the groove at the side part of the connecting support when the sealing rubber tube is pressed, the notch of the groove is only attached by the strength of the sealing rubber tube, and the leakage risk is caused.

SUMMERY OF THE UTILITY MODEL

Based on the problem among the background art, the utility model aims to provide an aseptic sampling device establishes at the terminal link cover of push rod and seals gluey tub of outer wall to add subtend breach groove at the link end, with this mould that brings when offsetting snap ring locking warp and spill over, the link does not have turn-ups and fold basically when the fixed locking of snap ring, improves leakproofness and aesthetic property.

The utility model discloses a realize through following technical scheme:

the utility model provides an aseptic sampling device, includes the sampling probe, the sampling probe includes push rod, sealed rubber tube, thimble, the thimble is located sealed intraductal, the link cover of push rod afterbody is established at sealed rubber tube outer wall to carry out the chucking through the snap ring, breach portion has been seted up to the terminal edge symmetry of link, make the end of link form two connecting portion of disconnection, two during the connecting portion atress, its both sides edge is close to each other.

Furthermore, a limit groove is formed in the connecting portion, the clamping ring is fixedly mounted on the limit groove, and two side edges of the connecting portion are close to and contact with each other.

Further, the notch portion is triangular.

Furthermore, the outer diameter of the tail end of the sealing rubber tube is in a step shape, the tail end of the sealing rubber tube is connected with a boss, and the outer diameter of the boss is larger than the maximum outer diameter of the sealing rubber tube.

Furthermore, the outside cover of sealing rubber tube is equipped with the reinforcing pad for the reinforcing pad is in the boss top, the internal diameter size of reinforcing pad is equal to or greater than the biggest external diameter size of sealing rubber tube.

Furthermore, still include with storage appearance jar complex link, the side of link is provided with a plurality of recesses, the sample needle is installed in the recess, just the sample connection of sample needle stretches out to the link outside.

Furthermore, the bottom of link is provided with the base to a plurality of joint grooves have been seted up on the base, just joint groove center is provided with the sample through-hole, the terminal boss block of sealing rubber tube is in the joint inslot.

Further, the reinforcing pad is a stainless steel pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the connecting end at the end of the push rod is sleeved on the outer wall of the sealing rubber pipe, and the opposite notch groove is additionally arranged at the end of the connecting end so as to offset the deformation and overflow of the plastic part brought by the locking of the snap ring, and the connecting end basically has no flanging and fold after the locking of the snap ring, thereby improving the sealing property and the aesthetic property;

2. the utility model adds a reinforcing pad-stainless steel gasket at the front end of the sealing rubber tube to seal the gap at the joint with the base, thereby achieving full-rigid pressing and reducing the risk of leakage.

Drawings

Fig. 1 shows a schematic structural view of the sterile sampling device of the present invention;

FIG. 2 shows a schematic exploded view of the sterile sampling device;

FIG. 3 is a partial schematic view of the hose seal in an unconnected state to the connection end;

fig. 4 shows a schematic view of the connection structure of the hose and the connecting end.

Description of the drawings: 1. a sampling needle; 2. a push rod; 3. sealing the rubber tube; 4. a thimble; 5. a connecting end; 6. a snap ring; 7. a notch portion; 8. a connecting portion; 9. a limiting groove; 10. a connecting frame; 301. a boss; 302. reinforcing the cushion; 101. A groove; 102. a base; 1021. a clamping groove; 1022. and a sampling through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "provided," "connected," and the like are to be construed broadly, e.g., "connected," which may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Please refer to fig. 1-4, an aseptic sampling device, includes sampling needle 1, sampling needle 1 includes push rod 2, rubber sealing tube 3, thimble 4 is located in the

rubber sealing tube

3, 5 covers of link of 2 afterbodies of push rod are established at rubber sealing tube 3 outer walls to carry out the chucking through snap ring 6, breach portion 7 has been seted up to the terminal edge symmetry of link 5 for the end of link 5 forms two connecting portion 8 of disconnection, two when connecting portion 8 atress, its both sides edge is close to each other.

The utility model discloses in establish at 2 terminal links of push rod 5 covers at 3 outer walls of sealing rubber tube to add subtend breach portion 7 at 5 ends of link, with this offset the 6 plastics that bring when locking of snap ring warp and spill over, when 6 fixed locks of snap ring, the both sides edge of connecting portion 8 is close to each other, and 7 clearances in breach portion are dwindled, after locking completely, 5 not have turn-ups and fold basically of link, improve leakproofness and aesthetic property.

As shown in fig. 4, in an embodiment of the present invention:

the connecting portion 8 is provided with a limiting groove 9, the clamping ring 6 is fixedly mounted on the limiting groove 9, and two side edges of the connecting portion 8 are close to and contact with each other.

Carry on spacingly to snap ring 6 through spacing groove 9, avoid behind the fastening snap ring 6 to take place phenomenons such as skew, improve the installation steadiness of snap ring 6 and connecting portion 8, improve sealing performance.

Specifically, the notch 7 has a triangular shape. The flatness of the tail end of the locked connecting end 5 is better, and the sealing performance is better.

As shown in fig. 2 and 3, in an embodiment of the present invention:

the outer diameter of the tail end of the sealing rubber tube 3 is in a step shape, the tail end of the sealing rubber tube 3 is connected with a boss 301, and the outer diameter of the boss 301 is larger than the maximum outer diameter of the sealing rubber tube 3.

In this embodiment, a reinforcing pad 302 is sleeved on the outside of the rubber sealing tube 3, so that the reinforcing pad 302 is located above the boss 301, and the inner diameter of the reinforcing pad 302 is equal to or greater than the maximum outer diameter of the rubber sealing tube 3.

The utility model discloses in increase reinforcing mat 302 at 3 front ends of sealing rubber tube, specifically reinforcing mat 302 selects the stainless steel gasket to this breach that seals the sealing rubber tube 3 rather than the sample leg joint of being connected reaches full rigidity pressfitting, reduces the weeping risk.

As shown in fig. 1, in another embodiment of the present invention:

still include with storage appearance jar complex link 10, the side of link 10 is provided with a plurality of recesses 101, sample needle 1 installs in recess 101, just the sample connection of sample needle 1 stretches out to the link 10 outside.

In this embodiment, a base 102 is disposed at the bottom of the connecting frame 10, a plurality of fastening grooves 1021 are disposed on the base 102, a sampling through hole 1022 is disposed in the center of the fastening groove 1021, and a boss 301 at the end of the sealing rubber tube 3 is fastened in the fastening groove 1021.

The sampling needle 1 is arranged in the connecting frame 10, so that the sampling needle 1 is matched and connected with the sampling tank body. The joint groove 1021 is communicated with the tail end of the groove 101 to form a gap which is easy to leak, after the sampling needle is installed, the boss 301 at the tail end of the sealing rubber tube 3 is installed in the joint groove 1021, and the reinforcing pad 302 at the front end of the sealing rubber tube 3 is used for hermetically connecting the gap at the tail end of the groove 101 of the frame, so that full-rigid pressing is achieved, and the risk of leakage is reduced.

Although the present invention discloses the embodiments and the drawings, those skilled in the art can understand that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides an aseptic sampling device, includes sampling needle (1), sampling needle (1) is including push rod (2), sealed rubber tube (3), thimble (4) are located in sealed rubber tube (3), its characterized in that, link (5) cover of push rod (2) afterbody is established at sealed rubber tube (3) outer wall to carry out the chucking through snap ring (6), breach portion (7) have been seted up to the terminal edge symmetry of link (5) for the terminal two connecting portion (8) that form the disconnection of link (5), two during connecting portion (8) atress, its both sides edge is close to each other.

2. An aseptic sampling device as claimed in claim 1, wherein a limit groove (9) is formed on the connecting portion (8), the snap ring (6) is tightly mounted on the limit groove (9), and two side edges of the two connecting portions (8) are close to and contact with each other.

3. An aseptic sampling device according to claim 1, characterized in that the notch (7) is triangular.

4. An aseptic sampling device according to claim 1, characterized in that the outer diameter of the end of the hose (3) is stepped and a boss (301) is connected to the end, and the outer diameter of the boss (301) is larger than the maximum outer diameter of the hose (3).

5. An aseptic sampling device according to claim 4, characterized in that a reinforcing pad (302) is sleeved on the outside of the hose seal (3) so that the reinforcing pad (302) is above the boss (301), and the inner diameter of the reinforcing pad (302) is equal to or larger than the largest outer diameter of the hose seal (3).

6. An aseptic sampling device according to claim 5, further comprising a connection frame (10) fitted with the sample storage tank, wherein the side of the connection frame (10) is provided with a plurality of grooves (101), the sampling needle (1) is installed in the grooves (101), and the sampling port of the sampling needle (1) extends out of the connection frame (10).

7. An aseptic sampling device as claimed in claim 6, wherein the bottom of said connecting frame (10) is provided with a base (102), and said base (102) is provided with a plurality of clamping grooves (1021), and the center of said clamping groove (1021) is provided with a sampling through hole (1022), and the boss (301) at the end of said sealing rubber tube (3) is clamped in said clamping groove (1021).

8. An aseptic sampling device according to claim 5, characterized in that the reinforcing pad (302) is a stainless steel washer.