CN220531653U - High-applicability pipette tip - Google Patents

Abstract

The utility model discloses a high-applicability liquid-transferring gun head, which comprises a tube body, wherein the tube body is in a conical shape, the top of the tube body is fixedly connected with a connecting part, the bottom of the tube body is fixedly connected with a mounting sleeve, the inner wall of the mounting sleeve is slidably connected with a mounting block, the outer side of the mounting block is provided with liquid inlet holes distributed in an annular mode, the top of the mounting block is communicated with a liquid inlet tube, the top of the liquid inlet tube penetrates through and extends to the inside of the tube body, the outer side of the liquid inlet tube is slidably connected with the tube body, a spring is sleeved on the liquid inlet tube, and the inner wall of the mounting block is fixedly connected with a filter plate. The utility model can filter the solution to realize the purposes of ensuring the purity of the sucked reagent and solution and improving the accuracy of scientific experiments, and can not send impurities into the test tube when the pipette tip is added into the test tube.

Description

High-applicability pipette tip

Technical Field

The utility model relates to the technical field of pipette tips, in particular to a high-applicability pipette tip.

Background

A pipette, also called a pipette, is an instrument for quantitatively transferring liquid. When the analysis test is performed, a small amount or a small amount of liquid is generally removed by adopting a liquid dispenser, the liquid dispenser can be divided into a gas piston type liquid dispenser and an external piston type liquid dispenser according to the principle, and the liquid dispenser needs to be matched with a liquid dispenser gun head for use when in use, and the liquid dispenser gun head is generally in a conical shape.

The present utility model patent of a pipette tip such as issued patent CN 208320837U provides a pipette tip for a pipette, comprising: the gun head is hollow conical; the gun head comprises a liquid suction end and a connecting end, and the liquid suction end is provided with a liquid suction port; the connecting piece is fixedly arranged on the liquid transfer device; the connecting piece is provided with a containing cavity for embedding the connecting end of the gun head; and the locking mechanism is used for connecting and locking the connecting end of the gun head to the accommodating cavity. The locking mechanism comprises a first locking component, the first locking component comprises a first protrusion and a first spring, and the first protrusion is connected with the first spring; the connecting end is provided with a guide groove for placing the first locking component, and the first bulge is arranged in the guide groove in a sliding manner. The quick connection device has the advantages of simple structure and convenient operation, and can realize quick connection between the pipette tip and the pipette; ensures the purity of the inhaled reagent and solution and improves the accuracy of scientific experiments.

When the pipette tip of the pipette mentioned in the above patent is used, impurities in the solution are filtered through the filter layer, so that the purposes of ensuring the purity of the sucked reagent and the solution and improving the accuracy of scientific experiments are realized, but when the sucked solution is added into a test tube, the solution can reversely pass through the filter layer, and the filtered impurities are brought into the test tube together, so that the purity of the solution is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a high-applicability pipette tip.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a high suitability liquid-transfering gun head, includes the body, the shape of body is conical setting, the top fixedly connected with connecting portion of body, the bottom fixedly connected with installation cover of body, the inner wall sliding connection of installation cover has the installation piece, the liquid inlet that annular distributes has been seted up in the outside of installation piece, the top intercommunication of installation piece has the feed liquor pipe, the top of feed liquor pipe runs through and extends to the inside of body, the outside and the body sliding connection of feed liquor pipe, the cover is equipped with the spring on the feed liquor pipe, the inner wall fixedly connected with filter of installation piece, the top cover of feed liquor pipe is equipped with the sealing block rather than fixed connection, the outside of sealing block contacts with the inner wall of body, the liquid outlet that annular distributes has been seted up to the bottom of body.

As a further description of the above technical solution:

the top fixedly connected with buffer block of installation piece, the buffer block sets up for the rubber layer.

As a further description of the above technical solution:

the pipe body includes the bottom pipe, the shape of bottom pipe is conical setting, feed liquor pipe, installation cover and play liquid hole all set up on the bottom pipe, the top of bottom pipe is provided with the push pipe, the top and the connecting portion fixed connection of push pipe, the bottom cover of push pipe is equipped with rather than fixed connection's adapter sleeve, the inner wall and the bottom pipe threaded connection of adapter sleeve.

As a further description of the above technical solution:

the right side of bottom tube inlays and is equipped with the mounting panel, the scale has been seted up on the right side of mounting panel.

As a further description of the above technical solution:

the top of connecting portion has seted up the guide way, the shape of guide way is the tubaeform setting.

Compared with the prior art, the utility model has the advantages that:

this scheme can filter the solution to realize guaranteeing the purity degree of inhalant reagent, solution, improve the purpose of the accuracy of science experiment, and when adding the pipette tip to the test tube inside, also can not send into the test tube with impurity, and then improve the practicality of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting plate and scale positions of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged view of the portion a in fig. 3 according to the present utility model.

The reference numerals in the figures illustrate:

1. a tube body; 2. a connection part; 3. a mounting sleeve; 4. a mounting block; 5. a liquid inlet hole; 6. a liquid inlet pipe; 7. a spring; 8. a filter plate; 9. a sealing block; 10. a liquid outlet hole; 11. a buffer block; 101. a bottom tube; 102. jacking pipes; 103. connecting sleeves; 12. a mounting plate; 13. a scale; 14. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 4, in the present utility model: the utility model provides a high suitability liquid-transfering gun head, including body 1, body 1's shape is conical setting, body 1's top fixedly connected with connecting portion 2, body 1's bottom fixedly connected with installation cover 3, installation cover 3's inner wall sliding connection has installation piece 4, annular distribution's feed liquor hole 5 has been seted up in the outside of installation piece 4, installation piece 4's top intercommunication has feed liquor pipe 6, feed liquor pipe 6's top runs through and extends to body 1's inside, feed liquor pipe 6's outside and body 1 sliding connection, the cover is equipped with spring 7 on the feed liquor pipe 6, installation piece 4's inner wall fixedly connected with filter 8, feed liquor pipe 6's top cover is equipped with rather than fixed connection's sealing block 9, sealing block 9's outside contacts with body 1's inner wall, annular distribution's drain hole 10 has been seted up to body 1's bottom.

According to the utility model, when the liquid suction device is used, the connecting part 2 is arranged as a hose, the liquid suction device is inserted into the top end of the connecting part 2, the connecting part 2 is sleeved on the liquid suction device, the installation of the connecting part 2 and the liquid suction device can be completed, when the liquid is sucked, the pipe body 1 is inserted into the liquid, the liquid suction device can suck the interior of the pipe body 1, as the elastic force of the spring 7 can drive the sealing block 9 to be tightly attached to the inner wall of the pipe body 1 through the mounting block 4 and the liquid inlet pipe 6, the sealing effect on the liquid outlet 10 at the bottom of the pipe body 1 is realized, at the moment, after negative pressure is generated in the interior of the pipe body 1, the liquid can enter the mounting block 4 from the liquid inlet 5, then pass through the filter plate 8 and enter the liquid inlet pipe 6 until a proper amount of the liquid is sucked in the interior of the pipe body 1, and then the purpose of sucking the liquid is completed, when the liquid is put into the test tube, the interior, the pipe body 1 is obliquely inserted into the test tube by a user, after the sealing block 4 is tightly attached to the inner wall of the pipe body 1, the user then presses the pipe body 1, the sealing block 4 in the inner wall of the test tube, the liquid suction device can be tightly attached to the inner wall of the pipe body 1, the liquid inlet hole 10 is driven by the sliding block 4 in the mounting sleeve 3, the liquid inlet hole 5 is opened, the liquid outlet hole is opened, and the liquid outlet hole is opened from the liquid inlet hole 5, and the liquid outlet hole is completely.

Please refer to fig. 4, wherein: the top fixedly connected with buffer block 11 of installation piece 4, buffer block 11 sets up for the rubber layer.

According to the utility model, the buffer block 11 is arranged, so that the abrasion between the mounting block 4 and the inner wall of the test tube can be reduced when the solution is added into the test tube, the service life of the device is prolonged, and the breaking condition of the test tube can be reduced.

Please refer to fig. 1-3, wherein: the pipe body 1 includes bottom pipe 101, and bottom pipe 101's shape is conical setting, and feed liquor pipe 6, installation cover 3 and play liquid hole 10 all set up on bottom pipe 101, and bottom pipe 101's top is provided with push pipe 102, and push pipe 102's top and connecting portion 2 fixed connection, push pipe 102's bottom cover is equipped with rather than fixed connection's adapter sleeve 103, and adapter sleeve 103's inner wall and bottom pipe 101 threaded connection.

In the utility model, the bottom tube 101, the connecting sleeve 103 and the top tube 102 can form a complete liquid-transferring gun head, the distance between the top tube 102 and the bottom tube 101 can be adjusted by rotating the bottom tube 101, and further, the volume of the liquid-transferring gun head is adjusted, so that the liquid-transferring gun head can be suitable for taking solutions with different volumes, and the applicability of the device is improved.

Please refer to fig. 2, wherein: the right side of the bottom pipe 101 is embedded with a mounting plate 12, and the right side of the mounting plate 12 is provided with a scale 13.

According to the utility model, through the cooperation of the mounting plate 12 and the scale 13, a user can conveniently control the distance between the top pipe 102 and the bottom pipe 101, so that the user can conveniently judge the volume of the pipette tip, and the practicability of the device is improved.

Please refer to fig. 3, wherein: the top of the connecting part 2 is provided with a guide groove 14, and the guide groove 14 is in a horn shape.

In the present utility model, the connection between the pipette and the connection part 2 can be facilitated by providing the guide groove 14, and the practicality of the device can be improved.

The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a high suitability liquid-transfering gun head, includes body (1), the shape of body (1) is conical setting, its characterized in that:

the utility model discloses a liquid filter, including body (1) and liquid inlet pipe, top fixedly connected with connecting portion (2) of body (1), the bottom fixedly connected with installation cover (3) of body (1), the inner wall sliding connection of installation cover (3) has installation piece (4), annular distributed feed liquor hole (5) have been seted up in the outside of installation piece (4), the top intercommunication of installation piece (4) has feed liquor pipe (6), the top of feed liquor pipe (6) runs through and extends to the inside of body (1), the outside and body (1) sliding connection of feed liquor pipe (6), the cover is equipped with spring (7) on feed liquor pipe (6), the inner wall fixedly connected with filter (8) of installation piece (4), the top cover of feed liquor pipe (6) is equipped with sealed piece (9) rather than fixedly connected with, the outside of sealed piece (9) contacts with the inner wall of body (1), annular distributed play liquid hole (10) have been seted up to the bottom of body (1).

2. A high applicability pipette tip according to claim 1, wherein: the top fixedly connected with buffer block (11) of installation piece (4), buffer block (11) are the rubber layer setting.

3. A high applicability pipette tip according to claim 1, wherein: the utility model provides a pipe body (1) is including bottom pipe (101), the shape of bottom pipe (101) is conical setting, feed liquor pipe (6), installation cover (3) and play liquid hole (10) all set up on bottom pipe (101), the top of bottom pipe (101) is provided with push pipe (102), the top and the connecting portion (2) fixed connection of push pipe (102), the bottom cover of push pipe (102) is equipped with adapter sleeve (103) rather than fixed connection, the inner wall and bottom pipe (101) threaded connection of adapter sleeve (103).

4. A high applicability pipette tip as defined in claim 3, wherein: the right side of bottom tube (101) is inlayed and is equipped with mounting panel (12), scale (13) have been seted up on the right side of mounting panel (12).

5. A high applicability pipette tip according to claim 1, wherein: the top of connecting portion (2) has seted up guide way (14), the shape of guide way (14) is the tubaeform setting.