CN210856125U - Perforating device for chick embryo - Google Patents

Abstract

The utility model discloses a chick embryo hole puncher, including the mechanism of punching and the mechanism of gripping, the mechanism of gripping sets up the one end at the mechanism of punching, the mechanism of punching comprises rubber stopper, closing cap, pressing plate, prick hole needle, first through-hole, elastic spring, second through-hole, spacing slider, spacing spout and needle point, the utility model discloses the beneficial effect who reaches is: the utility model discloses chick embryo hole puncher simple structure, high durability and convenient use, through setting up first ring and the second ring that grips in the mechanism, can will grip the mechanism cover on the finger, the lantern ring is connected with the mechanism of punching, the effectual current hole puncher of having solved is when punching, because the volume undersize of hole puncher, the problem that the user of being not convenient for takes, convenient to use person is accurate pricks the chick embryo, and through setting up the spacing slider on the punching needle lateral wall, make the length that the needle point of punching needle extends the second through-hole be invariable, make the degree of depth of punching can confirm.

Description

Perforating device for chick embryo

Technical Field

The utility model relates to a chick embryo hole puncher belongs to hole puncher technical field.

Background

The chick embryo is a developing organism formed by hatching chick fertilized eggs, can be used for proliferation and passage of various animal viruses, and can be used for preparing certain virus antigens, vaccines, yolk antibodies and the like. The chick embryo puncher is used for opening a hard chick embryo shell to form a round small hole when a chick embryo virus inoculation experiment is carried out, so that the subsequent experiment operation is facilitated, and the existing chick embryo punching has obvious defects: 1. the position can not be fixed during punching, although the chick embryo can be marked, the hole needs to be punctured during punching, and the puncher is inconvenient to take due to small volume, so that the chick embryo is easy to deviate from the marked position during punching, the bleeding of the blood vessel of the chick embryo is easy to cause, and the like; 2. the depth of punching can not be controlled, the maximum depth of punching of the chick embryo puncher is 2 millimeters, the punching depth is different according to the strength and the eggshell thickness when punching, and therefore secondary punching or over-deep punching are easily caused, and the embryo body is punctured.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide chicken embryo hole puncher, solved the problem that exists among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model discloses a chick embryo puncher, including punching mechanism and gripping mechanism, the gripping mechanism sets up in the one end of punching mechanism, punching mechanism comprises rubber stopper, closing cap, pressing sheet, prick hole needle, first through-hole, elastic spring, second through-hole, spacing slider, spacing spout and needle point, the closing cap sets up the one end of keeping away from gripping mechanism at the rubber stopper, the closing cap is connected with the outer wall screw thread of rubber stopper, the one side that the closing cap kept away from the rubber stopper is provided with the pressing sheet, fixed welding has prick hole needle on the plate wall that the pressing sheet is close to one side of closing cap, correspond prick hole needle on the closing cap and seted up first through-hole, elastic spring has cup jointed on the outer wall of prick hole needle, elastic spring's one end and closing cap fixed connection, the one end that prick hole needle kept away from the pressing sheet passes first through-hole, the rubber stopper corresponds prick hole needle and seted up the second through-hole, the one end that the needle of pricking passed first through-hole extends to the inside of second through-hole, the one end that the needle of pricking extends to the inside of second through-hole is provided with the needle point.

As the utility model discloses a preferred technical scheme, the mechanism of gripping comprises lantern ring, first ring and second ring, lantern ring threaded connection keeps away from the one end of closing cap at the pressing sheet, the first ring of fixedly connected with on the lateral wall of lantern ring one side, the fixedly connected with second ring on the lateral wall of first ring bottom.

As a preferred technical scheme of the utility model, equal fixedly connected with limit slide on the lateral wall of the both sides of pricking the needle, correspond limit slide on the inner wall of second through-hole and seted up spacing spout, spacing spout sets up with limit slide phase-match, just limit slide sliding connection is in the inside of spacing spout.

As an optimal technical scheme of the utility model, all scribble on the lateral wall of circle side in first ring and the second ring and be equipped with rubber coating.

As an optimized technical scheme of the utility model, the diameter of pricking needle is eight millimeters at zero point, just the length of needle point is two millimeters.

The utility model discloses the beneficial effect who reaches is: the utility model discloses chick embryo hole puncher simple structure, high durability and convenient use, through setting up first ring and the second ring that grips in the mechanism, can will grip the mechanism cover on the finger, the lantern ring is connected with the mechanism of punching, the effectual current hole puncher of having solved is when punching, because the volume undersize of hole puncher, the problem that the user of being not convenient for takes, convenient to use person is accurate pricks the chick embryo, and through setting up the spacing slider on the punching needle lateral wall, make the length that the needle point of punching needle extends the second through-hole be invariable, make the degree of depth of punching can confirm.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the present invention in use;

fig. 3 is a schematic structural diagram of the gripping mechanism of the present invention.

In the figure: 1. a punching mechanism; 11. a rubber stopper; 12. sealing the cover; 13. pressing the sheet; 14. pricking a hole needle; 15. a first through hole; 16. an elastic spring; 17. a second through hole; 18. a limiting slide block; 19. a limiting chute; 110. a needle tip; 2. a holding mechanism; 21. a collar; 22. a first ring; 23. a second finger ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a chicken embryo puncher, which comprises a punching mechanism 1 and a holding mechanism 2, wherein the holding mechanism 2 is arranged at one end of the punching mechanism 1, the punching mechanism 1 is composed of a rubber stopper 11, a sealing cap 12, a pressing sheet 13, a punching needle 14, a first through hole 15, an elastic spring 16, a second through hole 17, a limiting slider 18, a limiting chute 19 and a needle point 110, the sealing cap 12 is arranged at one end of the rubber stopper 11 far away from the holding mechanism 2, the sealing cap 12 is in threaded connection with the outer wall of the rubber stopper 11, the pressing sheet 13 is arranged at one side of the sealing cap 12 far away from the rubber stopper 11, the punching needle 14 is fixedly welded on the plate wall of one side of the pressing sheet 13 close to the sealing cap 12, the sealing cap 12 is provided with the first through hole 15 corresponding to the punching needle 14, the elastic spring 16 is sleeved on the outer wall of the punching needle 14, one end of the elastic spring 16 is fixedly connected with the sealing cap 12, the end of the punching needle 14, the rubber plug 11 is provided with a second through hole 17 corresponding to the puncture needle 14, one end of the puncture needle 14 penetrating through the first through hole 15 extends to the inside of the second through hole 17, and one end of the puncture needle 14 extending to the inside of the second through hole 17 is provided with a needle point 110.

The holding mechanism 2 comprises a lantern ring 21, a first finger ring 22 and a second finger ring 23, the lantern ring 21 is in threaded connection with one end of the pressing sheet 13 far away from the seal cover 12, the first finger ring 22 is fixedly connected on the outer side wall of one side of the lantern ring 21, the second finger ring 23 is fixedly connected on the outer side wall of the bottom of the first finger ring 22, the limiting sliders 18 are fixedly connected on the side walls of the two sides of the puncturing needle 14, a limiting sliding groove 19 is formed in the inner wall of the second through hole 17 corresponding to the limiting slider 18, the limiting sliding groove 19 is matched with the limiting slider 18, the limiting slider 18 is slidably connected inside the limiting sliding groove 19, the limiting slider 18 slides inside the limiting sliding groove 19, the puncturing needle 14 can be more stable when pushed inside the second through hole 17, the limiting slider 18 can limit the length of the puncturing needle 14 extending out of one end of the second through hole 17, and the needle point 110 of the puncturing needle 14 extends out of the second, all scribble on the lateral wall of circle side in first ring 22 and the second finger ring 23 and be equipped with rubber coating, softer rubber coating of texture can make the finger more comfortable when rubbing between finger and the first ring 22 and the second finger ring 23, the diameter of pricking needle 14 is eight millimeters at zero point, and the length of needle point 110 is two millimeters, the needle 14 of pricking of eight millimeters at zero point can guarantee to punch the completion back, the syringe needle can get into the idiosome, on the other hand guarantees to punch the completion back, chick embryo allantois liquid does not appear permeating, the eggshell can just be pricked to two millimeters of needle point 110, guarantee not to puncture the idiosome.

Specifically, when the utility model is used, the rubber stopper 11 is made of flame-retardant high-temperature resistant rubber material, the punching mechanism 1 and the holding mechanism 2 need to be sterilized before punching, after the sterilization is completed, the blank body is fixed by the left hand, the puncher is held by the right hand, the holding mechanism 2 can be sleeved on fingers by arranging the first finger ring 22 and the second finger ring 23 in the holding mechanism 2, the lantern ring 21 is connected with the punching mechanism 1, so that the puncher can be taken by the right hand more conveniently and laborsavingly, the needle point 110 of the punching needle 14 is aligned to the mark, the pressing sheet 13 is pressed by the right hand, the pressing sheet 13 drives the punching needle 14 to move towards the chick embryo, the limiting slide block 18 slides in the limiting slide groove 19, so that the punching needle 14 is more stable in the second through hole 17, meanwhile, the limiting slide block 18 can limit the length of the end of the punching needle 14 extending out of the second through hole 17, the needle point 110 extends two millimeters, the egg shell is instantaneously pierced by the needle point 110 to complete punching, and the pressing sheet 13 is reset under the elastic force of the elastic spring 16, so that the next use is facilitated.

Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The chick embryo puncher is characterized by comprising a punching mechanism (1) and a holding mechanism (2), wherein the holding mechanism (2) is arranged at one end of the punching mechanism (1), the punching mechanism (1) consists of a rubber plug (11), a sealing cover (12), a pressing sheet (13), a pricking needle (14), a first through hole (15), an elastic spring (16), a second through hole (17), a limiting sliding block (18), a limiting sliding groove (19) and a needle point (110), the sealing cover (12) is arranged at one end, far away from the holding mechanism (2), of the rubber plug (11), the sealing cover (12) is in threaded connection with the outer wall of the rubber plug (11), the pressing sheet (13) is arranged on one side, far away from the rubber plug (11), of the sealing cover (12), the pricking needle (14) is fixedly welded on the plate wall, close to one side of the sealing cover (12), the first through hole (15) is formed in the sealing cover (12) corresponding to the pricking needle (14), elasticity spring (16) have been cup jointed on the outer wall of pricking needle (14), the one end and closing cap (12) fixed connection of elasticity spring (16), the one end that pressing piece (13) were kept away from in pricking needle (14) passes first through-hole (15), second through-hole (17) have been seted up to corresponding pricking needle (14) on rubber stopper (11), the one end that pricking needle (14) passed first through-hole (15) extends to the inside of second through-hole (17), the one end that pricking needle (14) extended to second through-hole (17) inside is provided with needle point (110).

2. The chick embryo puncher of claim 1, wherein the holding mechanism (2) is composed of a lantern ring (21), a first finger ring (22) and a second finger ring (23), the lantern ring (21) is in threaded connection with one end of the pressing sheet (13) far away from the cover (12), the first finger ring (22) is fixedly connected to the outer side wall of one side of the lantern ring (21), and the second finger ring (23) is fixedly connected to the outer side wall of the bottom of the first finger ring (22).

3. The chick embryo puncher of claim 1, wherein the side walls of two sides of the punching needle (14) are fixedly connected with limiting sliding blocks (18), the inner wall of the second through hole (17) is provided with limiting sliding grooves (19) corresponding to the limiting sliding blocks (18), the limiting sliding grooves (19) are matched with the limiting sliding blocks (18), and the limiting sliding blocks (18) are slidably connected inside the limiting sliding grooves (19).

4. The chick embryo punch according to claim 2, characterized in that the side walls of the inner circular sides of the first finger ring (22) and the second finger ring (23) are coated with a rubber coating.

5. The chick embryo punch according to claim 1, characterized in that the piercing needle (14) has a diameter of a fraction of eight millimeters and the tip (110) has a length of two millimeters.

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