CN214439173U

CN214439173U - Suction head capable of eliminating adhering liquid

Info

Publication number: CN214439173U
Application number: CN202022479457.9U
Authority: CN
Inventors: 高国波; 王乐兰
Original assignee: S & P Changzhou Biotechnology Co ltd
Current assignee: S & P Changzhou Biotechnology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-10-22
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to the technical field of suction heads, in particular to a suction head capable of eliminating adhering liquid, which comprises a suction head body, a moving ring and a rubber ring, wherein the suction head body comprises a connecting section and a body section, the bottom end of the connecting section is fixedly connected with the top end of the body section, the inside of the body section is an inner taper hole, the rubber ring is sleeved outside the connecting section, the inner circumferential surface of the rubber ring is attached to the outer circumferential surface of the connecting section, the moving ring is sleeved outside the rubber ring and is fixedly connected with the rubber ring, the utility model can eliminate the adhering liquid suction head and can move downwards through pushing the moving ring after absorbing liquid, the rubber ring moves downwards along with the moving ring, and the adhering liquid on the outer circumferential surface of the body section is scraped to fall into a liquid sample container again, so as to avoid the waste of liquid samples, and simultaneously prevent the phenomenon that the liquid slides down to an experiment table on the outer circumferential surface of the suction head when transferring, maintain the clean and tidy of laboratory bench, improve the life of laboratory bench.

Description

Suction head capable of eliminating adhering liquid

Technical Field

The utility model belongs to the technical field of the suction head technique and specifically relates to a suction head that can eliminate adhering liquid.

Background

The suction head belongs to a consumable used with a pipettor, the suction head is mainly made of medical grade polypropylene material, when in use, the suction head is matched with the pipettor to realize liquid suction or discharge on a liquid sample and complete the liquid transfer process of the liquid sample, and the suction head is widely applied to the fields of medical research, biological research, chemical laboratories and the like;

however, in the process of sucking liquid by the existing suction head, liquid is easily attached to the outer peripheral surface of the suction head, so that waste of a liquid sample is caused, and meanwhile, when the attached liquid is transferred along with the suction head, the attached liquid is easily slipped onto a laboratory bench, so that the laboratory bench is corroded for a long time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that in the process of sucking liquid by a suction head in the prior art, liquid is easy to adhere to the outer peripheral surface of the suction head, so that a liquid sample is wasted, and meanwhile, when the adhered liquid is transferred along with the suction head, the adhered liquid is easy to slide onto a laboratory table, so that the laboratory table is corroded for a long time, the suction head capable of eliminating the adhered liquid is provided.

The utility model provides a technical scheme that its technical problem adopted is: a suction head capable of eliminating adhesion liquid comprises a suction head body, a moving ring and a rubber ring, wherein the suction head body comprises a connecting section and a body section, the bottom end of the connecting section is fixedly connected with the top end of the body section, an inner taper hole is formed in the body section, the upper end of the inner taper hole is large, the lower end of the inner taper hole is small, the inside of the connecting section is communicated with the inner taper hole of the body section, and the peripheral surface of the connecting section is a circumferential surface;

the rubber ring is sleeved on the outer side of the connecting section, the inner peripheral surface of the rubber ring is attached to the outer peripheral surface of the connecting section, and the moving ring is sleeved on the outer side of the rubber ring and fixedly connected with the rubber ring.

Suction head in this scheme is after the imbibition, and the accessible promotes the shift ring downwards, and the rubber ring is along with the shift ring downward movement in the lump, strikes off the liquid that body section outer peripheral face was stained with, makes it fall into liquid sample container again, avoids causing the waste of liquid sample, and the phenomenon that has liquid landing to the laboratory bench on the peripheral face when also preventing the suction head to shift takes place simultaneously, maintains the clean and tidy of laboratory bench, improves the life of laboratory bench.

In order to prevent the rubber ring from sliding off the body section when the liquid is not absorbed, furthermore, a limiting ring protrudes outwards from the upper end of the outer peripheral surface of the body section, an annular limiting groove matched with the limiting ring is formed in the inner peripheral surface of the rubber ring, and the limiting ring is clamped in the annular limiting groove of the rubber ring; utilize the spacing ring card to go into annular spacing groove, can make the rubber ring location in the upper end of body section, prevent the easy landing from the body section of rubber ring, when pushing away the shift ring downwards hard a little, make the rubber ring cross the spacing ring, alright light downstream rubber ring to strike off the liquid sample that is stained with on the body section outer peripheral face.

Further, the cross section of the annular limiting groove is semicircular.

Furthermore, the inner peripheral surface of the moving ring is provided with an installation groove matched with the outer side of the rubber ring, and the rubber ring is embedded in the installation groove; thereby improving the installation strength of the rubber ring on the moving ring.

Further, a handle ring is fixed outside the moving ring; the handle ring can provide a force point for a hand to push the moving ring downwards, and a certain distance is generated between the hand and the outer peripheral surface of the body section, so that the hand is prevented from touching the outer peripheral surface of the body section, and the use safety performance is improved.

The utility model has the advantages that: the utility model discloses it is after the imbibition that can eliminate the suction head of adhering to liquid, and the accessible promotes the shift ring downwards, and the rubber ring is along with the shift ring downstream in the lump, strikes off the liquid that the body section outer peripheral face is stained with and attaches, makes it fall into liquid sample container again, avoids causing the waste of liquid sample, and the phenomenon that its peripheral face had liquid landing to the laboratory bench takes place when also preventing the suction head to shift simultaneously, maintains the clean and tidy of laboratory bench, improves the life of laboratory bench.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of a pipette tip of the present invention for removing liquid deposits;

FIG. 2 is an enlarged partial schematic view of A;

FIG. 3 is a schematic view of the liquid-removing suction head of the present invention.

In the figure: 1. the suction head comprises a suction head body 11, a connecting section 12, a body section 121, an inner taper hole 122 and a limiting ring;

2. a moving ring;

3. a rubber ring;

4. a handle ring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-3, a suction head capable of removing adhering liquid comprises a suction head body 1, a moving ring 2 and a rubber ring 3, wherein the suction head body 1 comprises a connecting section 11 and a body section 12, the bottom end of the connecting section 11 is fixedly connected with the top end of the body section 12, the inside of the body section 12 is an inner tapered hole 121, the upper end of the inner tapered hole 121 is large and the lower end is small, the inside of the connecting section 11 is communicated with the inner tapered hole 121 of the body section 12, and the outer peripheral surface of the connecting section 11 is a circumferential surface;

the rubber ring 3 is sleeved on the outer side of the connecting section 11, the inner peripheral surface of the rubber ring 3 is attached to the outer peripheral surface of the connecting section 11, and the moving ring 2 is sleeved on the outer side of the rubber ring 3 and fixedly connected with the rubber ring 3.

A limiting ring 122 protrudes outwards from the upper end of the outer peripheral surface of the body section 12, an annular limiting groove matched with the limiting ring 122 is formed in the inner peripheral surface of the rubber ring 3, and the limiting ring 122 is clamped in the annular limiting groove of the rubber ring 3; utilize spacing ring 122 card to go into annular spacing groove, can make rubber ring 3 fix a position in the upper end of body section 12, prevent that rubber ring 3 is easy from body section 12 landing, when pushing down the shift ring 2 hard a little hard, make rubber ring 3 cross spacing ring 122, alright light downstream rubber ring 3 to strike off the liquid sample that is stained with on the body section 12 outer peripheral face.

The section of the annular limiting groove is semicircular.

The inner peripheral surface of the moving ring 2 is provided with an installation groove matched with the outer side of the rubber ring 3, and the rubber ring 3 is embedded in the installation groove; so that the mounting strength of the rubber ring 3 on the shift ring 2 can be improved.

A handle ring 4 is fixed outside the moving ring 2; the handle ring 4 can provide the impetus for the hand to push the moving ring 2 downwards, and make the hand and the outer peripheral face of the body section 12 produce certain interval, prevent the hand from touching the outer peripheral face of the body section 12, improve the safety performance of use.

Connecting segment 11 and the pipettor of suction head body 1 link to each other in this embodiment, the lower extreme of body section 12 inserts in waiting to get the liquid sample container of liquid, after the imbibition, the accessible promotes shift ring 2 downwards, rubber ring 3 is along with shift ring 2 downstream in the lump, strike off the liquid that this body section 12 outer peripheral face was stained with, make it fall into liquid sample container again, avoid causing the waste of liquid sample, the phenomenon that has liquid landing to the laboratory bench takes place on its outer peripheral face when also preventing the suction head to shift simultaneously, maintain the clean of laboratory bench, the life of clean and tidy improvement laboratory bench.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A suction head capable of eliminating adhering liquid is characterized in that: the suction head comprises a suction head body (1), a moving ring (2) and a rubber ring (3), wherein the suction head body (1) comprises a connecting section (11) and a body section (12), the bottom end of the connecting section (11) is fixedly connected with the top end of the body section (12), an inner conical hole (121) is formed in the body section (12), the upper end of the inner conical hole (121) is large, the lower end of the inner conical hole is small, the inside of the connecting section (11) is communicated with the inner conical hole (121) of the body section (12), and the outer peripheral surface of the connecting section (11) is a circumferential surface;

the rubber ring (3) is sleeved on the outer side of the connecting section (11), the inner peripheral surface of the rubber ring (3) is attached to the outer peripheral surface of the connecting section (11), and the moving ring (2) is sleeved on the outer side of the rubber ring (3) and fixedly connected with the rubber ring (3).

2. The liquid removing tip according to claim 1, wherein: the upper end of the outer peripheral surface of the body section (12) protrudes outwards to form a limiting ring (122), the inner peripheral surface of the rubber ring (3) is provided with an annular limiting groove matched with the limiting ring (122), and the limiting ring (122) is clamped in the annular limiting groove of the rubber ring (3).

3. The liquid removing tip according to claim 2, wherein: the section of the annular limiting groove is semicircular.

4. The liquid removing tip according to claim 1, wherein: the inner peripheral surface of the moving ring (2) is provided with a mounting groove matched with the outer side of the rubber ring (3), and the rubber ring (3) is embedded into the mounting groove.

5. The liquid removing tip according to claim 1, wherein: a handle ring (4) is fixed outside the moving ring (2).