CN219479032U

CN219479032U - Freezing wheat pipe capable of preventing liquid from flowing backwards

Info

Publication number: CN219479032U
Application number: CN202223499752.6U
Authority: CN
Inventors: 罗华梅
Original assignee: Chengdu Dinghui Refrigeration Equipment Maintenance Co ltd
Current assignee: Chengdu Dinghui Refrigeration Equipment Maintenance Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-08-08
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of embryo cryopreservation, and discloses a freezing straw capable of preventing liquid from flowing backwards, which comprises a first straw body, wherein the top of the inner wall of the first straw body is slidably connected to the bottom of the outer side of a holding rod, a third clamping groove is formed in the middle of the bottom surface of the holding rod, the top of the inner wall of the third clamping groove is fixedly connected to the middle of the top surface of the clamping rod, the outer side of the clamping rod is slidably connected to the top of the inner wall of a second straw body, the top of the outer side of the second straw body is slidably connected to the top of the side wall of the third clamping groove, second cotton yarns are arranged at the bottom of the inner wall of the first straw body, and first cotton yarns are arranged at the bottom of the inner wall of the second straw body. In the utility model, the first cotton yarn is arranged at the inner bottom of the first pipe body, the second cotton yarn is arranged at the inner bottom of the second pipe body, and the first cotton yarn and the second cotton yarn can play a role of isolating air, so that the liquid in the second pipe body can be prevented from flowing backwards.

Description

Freezing wheat pipe capable of preventing liquid from flowing backwards

Technical Field

The utility model relates to the technical field of embryo cryopreservation, in particular to a freezing straw capable of preventing liquid from flowing backwards.

Background

The freezing straw is a device for sealing and freezing, is generally stored in liquid nitrogen for sample preservation, is generally used in the freezing process of sperms, ova and embryo cells, and in the using process of the traditional freezing straw, the sperms or ova in the straw are in a solution state before freezing and after thawing, so that the phenomenon of backflow of liquid in the straw can occur, and therefore, part of the solution is attached to the inner wall of the straw, thereby reducing the sample size.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a freezing straw capable of preventing liquid from flowing backwards.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a can prevent freezing wheat pipe of liquid refluence, includes first body, the top sliding connection of first body inner wall is in the bottom in the grip outside, the middle part of grip bottom surface is provided with the third draw-in groove, the top fixed connection of third draw-in groove inner wall is in the top surface middle part of draw-in lever, the outside sliding connection of draw-in lever is at the top of second body inner wall, the top sliding connection in the second body outside is at the top of third draw-in groove lateral wall, the bottom of first body inner wall is provided with the second cotton yarn, the bottom of second body inner wall is provided with first cotton yarn.

As a further description of the above technical solution:

the first pipe body and the second pipe body are both made of colorless transparent materials.

As a further description of the above technical solution:

the outside fixedly connected with to the antiskid ribbed tile of holding rod, the antiskid ribbed tile is provided with a plurality of, and a plurality of the antiskid ribbed tile evenly sets up the top in the holding rod outside.

As a further description of the above technical solution:

the top of first body inner wall is provided with first fixed slot, the bottom sliding connection in the holding rod outside is at the inner wall of first fixed slot.

As a further description of the above technical solution:

the top of first fixed slot lateral wall is provided with first draw-in groove, the top fixedly connected with first snap ring in the holding rod outside, the outside of first snap ring sets up the inner wall of first draw-in groove.

As a further description of the above technical solution:

the top of third draw-in groove lateral wall is provided with the second draw-in groove, the top fixedly connected with second snap ring in the second body outside, the outside setting of second snap ring is in the inner wall of second draw-in groove.

The utility model has the following beneficial effects:

1. in the utility model, the first cotton yarn is arranged at the inner bottom of the first pipe body, the second cotton yarn is arranged at the inner bottom of the second pipe body, and the first cotton yarn and the second cotton yarn can play a role of isolating air, so that the liquid in the second pipe body can be prevented from flowing backwards.

Drawings

FIG. 1 is a schematic view of a freezing straw capable of preventing backflow of liquid according to the present utility model;

FIG. 2 is a front cross-sectional view of a freezing straw capable of preventing backflow of liquid according to the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. a first tube body; 2. a grip; 3. a third clamping groove; 4. a clamping rod; 5. a second tube body; 6. a first cotton yarn; 7. a second cotton yarn; 8. an anti-skid block; 9. a first fixing groove; 10. a first clamping groove; 11. a first snap ring; 12. a second clamping groove; 13. and a second snap ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a freezing wheat pipe that can prevent liquid refluence, including first body 1, the top sliding connection of first body 1 inner wall is in the bottom outside holding rod 2, the middle part of holding rod 2 bottom surface is provided with third draw-in groove 3, the top fixed connection of third draw-in groove 3 inner wall is in the top middle part of the top surface of draw-in bar 4, the outside sliding connection of draw-in bar 4 is at the top of second body 5 inner wall, the top sliding connection of second body 5 outside is at the top of third draw-in groove 3 lateral wall, the bottom of first body 1 inner wall is provided with second cotton yarn 7, the bottom of second body 5 inner wall is provided with first cotton yarn 6, during the use, firstly take out second body 5 from the inside of first body 1 through holding rod 2, later take down holding rod 2 from the top of second body 5 again, last plug first cotton yarn 6 into the bottom of second body 5, at this time, the sperm or ovum can be moved to the inside of the second tube body 5, the holding rod 2 is installed at the top of the second tube body 5 again, finally, the second cotton yarn 7 is plugged into the inside of the first tube body 1, at this time, the second tube body 5 is inserted into the inside of the first tube body 1, the outer side of the holding rod 2 is inserted into the first fixing groove 9 at the top of the first tube body 1, the second cotton yarn 7 is arranged at the inner bottom of the first tube body 1, the first cotton yarn 6 is arranged at the inner bottom of the second tube body 5, the effect of isolating air can be achieved through the first cotton yarn 6 and the second cotton yarn 7, a sealed state is formed between the first tube body 1 and the second tube body 5, and the inside of the second tube body 5 is in a sealed state, so that the liquid in the second tube body 5 can be prevented from flowing backwards.

The utility model provides a first body 1 and second body 5 all set up to colorless transparent material, the outside fixedly connected with of holding rod 2 is to non-slipping spur 8, non-slipping spur 8 is provided with a plurality of, and the top in the holding rod 2 outside is evenly set up to a plurality of non-slipping spur 8, the top of first body 1 inner wall is provided with first fixed slot 9, the bottom sliding connection in the holding rod 2 outside is at the inner wall of first fixed slot 9, the top of first fixed slot 9 lateral wall is provided with first draw-in groove 10, the top fixedly connected with first snap ring 11 in the holding rod 2 outside, the outside of first snap ring 11 sets up the inner wall in first draw-in groove 10, the top of third draw-in groove 3 lateral wall is provided with second draw-in groove 12, the top fixedly connected with second snap ring 13 in the outside in the second body 5 outside, the outside of second snap ring 13 sets up the inner wall in second draw-in groove 12, through the top with the holding rod 4 intubate second body 5, can improve the fixity that holding rod 2 and first body 1 are connected, and through the inside with first snap ring 11 card into first draw-in groove 10, the inside with second snap ring 12, the second snap ring 13 can be used between the user's the holding rod 2, the user's side is convenient for the holding rod 2, the friction between the user and the outside is connected with the second body 2, the second pipe 8, the user is convenient for use of the side between the side and the second pipe 8.

Working principle: when the novel liquid backflow prevention device is used, the second pipe body 5 is firstly pulled out from the first pipe body 1 through the holding rod 2, then the holding rod 2 is taken down from the top of the second pipe body 5, finally the first cotton yarn 6 is plugged into the bottom of the second pipe body 5, at the moment, sperms or ova can be moved to the inside of the second pipe body 5, then the holding rod 2 is installed at the top of the second pipe body 5 again, finally the second cotton yarn 7 is plugged into the inside of the first pipe body 1, at the moment, the second pipe body 5 is inserted into the inside of the first pipe body 1, the outer side of the holding rod 2 is inserted into the first fixing groove 9 at the top of the first pipe body 1, the second cotton yarn 7 is arranged at the inner bottom of the first pipe body 1, the first cotton yarn 6 is arranged at the inner bottom of the second pipe body 5, the first cotton yarn 6 and the second cotton yarn 7 can play a role of isolating air, a sealed state is formed between the first pipe body 1 and the second pipe body 5, the inside of the second pipe body 5 is sealed, and liquid backflow in the second pipe body 5 can be avoided. The fixing property of the connection between the holding rod 2 and the first pipe body 1 can be improved by inserting the clamping rod 4 into the top of the second pipe body 5, the first clamping ring 11 is clamped into the first clamping groove 10, the second clamping ring 13 is clamped into the second clamping groove 12, the fixing property of the connection among the first pipe body 1, the second pipe body 5 and the holding rod 2 can be improved, and the anti-slip blocks 8 are arranged on the outer side of the holding rod 2, so that the friction force between the hand of a user and the holding rod can be increased, and the holding rod can be operated by the user conveniently.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Frozen wheat pipe capable of preventing liquid from flowing backwards comprises a first pipe body (1), and is characterized in that: the top sliding connection of first body (1) inner wall is in the bottom in the outside of holding rod (2), the middle part of holding rod (2) bottom surface is provided with third draw-in groove (3), the top fixed connection of third draw-in groove (3) inner wall is in the top surface middle part of draw-in lever (4), the outside sliding connection of draw-in lever (4) is at the top of second body (5) inner wall, the top sliding connection in the outside of second body (5) is at the top of third draw-in groove (3) lateral wall, the bottom of first body (1) inner wall is provided with second cotton yarn (7), the bottom of second body (5) inner wall is provided with first cotton yarn (6).

2. A freezing straw capable of preventing reverse flow of liquid according to claim 1, wherein: the first pipe body (1) and the second pipe body (5) are both made of colorless transparent materials.

3. A freezing straw capable of preventing reverse flow of liquid according to claim 1, wherein: the outside fixedly connected with to non slipping spur (8) of holding rod (2), non slipping spur (8) are provided with a plurality of, and a plurality of non slipping spur (8) evenly set up the top in the outside of holding rod (2).

4. A freezing straw capable of preventing reverse flow of liquid according to claim 1, wherein: the top of the inner wall of the first pipe body (1) is provided with a first fixing groove (9), and the bottom of the outer side of the holding rod (2) is connected with the inner wall of the first fixing groove (9) in a sliding mode.

5. A freezing straw capable of preventing reverse flow of liquid according to claim 4, wherein: the top of first fixed slot (9) lateral wall is provided with first draw-in groove (10), the top fixedly connected with first snap ring (11) in holding rod (2) outside, the outside of first snap ring (11) sets up the inner wall of first draw-in groove (10).

6. A freezing straw capable of preventing reverse flow of liquid according to claim 1, wherein: the top of third draw-in groove (3) lateral wall is provided with second draw-in groove (12), the top fixedly connected with second snap ring (13) in second body (5) outside, the outside of second snap ring (13) sets up the inner wall of second draw-in groove (12).