CN212379102U

CN212379102U - Analytical pipette tip

Info

Publication number: CN212379102U
Application number: CN202021106948.2U
Authority: CN
Inventors: 龙磊; 董岳鹏; 孙青文
Original assignee: Jiangsu Deen Medical Technology Co ltd
Current assignee: Jiangsu Deen Medical Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-19
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an analysis suction head, including the suction head main part, the through-hole has all been seted up to the both sides on suction head main part top, the top cover of suction head main part has the sampler main part, the bottom fixed mounting of sampler main part has the fixed cover of protection, the both sides of the fixed cover of protection all seted up flutedly, the inside all fixedly connected with spring of recess, the spring all fixedly connected with elastic fixation block of one end of keeping away from each other. The utility model discloses a be provided with the elastic fixation ball, the diameter ratio through-hole of elastic fixation ball is big, the elastic fixation ball can block effectively that the elastic fixation piece gets into the recess completely, fine fixed effect has been played, the stability of device has been improved, and when using, the risk that drops appears in disposable suction head has been avoided, and then staff's work efficiency has been improved, through being provided with the rubber pad, the rubber pad has certain frictional force, with the zonulae occludens that is used for suction head main part and sampler main part, further avoid the suction head to drop.

Description

Analytical pipette tip

Technical Field

The utility model relates to a suction head technical field specifically is analysis suction head.

Background

Among the prior art, the laboratory of units such as hospital is at work, and the operation such as accurate sampling, move the liquid and mixing to liquid sample all adopts the sampler to go on, and the suction head is with the supporting consumptive material that uses of sampler, and the sampler cooperates the suction head and utilizes reciprocating of sampler internal piston to realize the absorption and the tapping of liquid.

The laboratory technician is often using the sampler to connect various disposable suction heads as the suction head and use for avoiding cross contamination between the samples, nevertheless handle and need to change disposable suction head after a sample, because the sampler does not have the device of installing disposable suction head, need take out used disposable suction head with hand or tweezers, the installation of disposable suction head of not being convenient for is dismantled, and when using, probably still can lead to the risk that disposable suction head drops, sample pollution in the experimentation has been increased, the chance and the operating time of people's contact poisonous waste liquid, lead to staff's work efficiency to descend.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an analysis suction head to solve the device that the sampler that proposes does not install disposable suction head among the above-mentioned background art, need to take out used disposable suction head, the problem of the installation dismantlement of the disposable suction head of not being convenient for with hand or tweezers.

In order to achieve the above object, the utility model provides a following technical scheme: analysis suction head, including the suction head main part, the through-hole has all been seted up to the both sides on suction head main part top, the top cover of suction head main part has the sampler main part, the top fixed mounting of sampler main part has the hand (hold), but the front of sampler main part is inlayed and is installed the visual port, the bottom fixed mounting of sampler main part has the fixed cover of protection, the both sides of the fixed cover of protection are all seted up flutedly, the inside all fixedly connected with springs of recess, the spring is the all fixedly connected with elastic fixation block of one end of keeping away from each.

Preferably, a sampling base is fixedly installed at the bottom end of the suction head main body, and the inner diameter of the sampling base is gradually reduced from bottom to top.

Preferably, the filter element is fixedly arranged in the top end of the suction head main body, and the filter element is cylindrical.

Preferably, the front surface of the suction head main body at the top end of the sampling base is marked with scale marks, and the maximum scale number of the scale marks is 3 cm.

Preferably, the elastic fixing balls are fixedly arranged at the ends, far away from each other, of the elastic fixing blocks, and the surfaces of the elastic fixing balls are carved with threads.

Preferably, the bottom end of the protective fixing sleeve is fixedly provided with two rubber pads.

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

1. through being provided with the elasticity fixed ball, the diameter ratio of elasticity fixed ball is big than the diameter of through-hole, the elasticity fixed ball can block effectively that the elasticity fixed block gets into the recess completely, fine fixed effect has been played, the stability of device has been improved, and when using, the risk that drops appears in disposable suction head has been avoided, and then staff's work efficiency has been improved, through being provided with the rubber pad, the rubber pad has certain frictional force in order to be used for the zonulae occludens of suction head main part and sampler main part, further avoided the suction head to drop from the sampler main part.

2. Through being provided with the sample base, the sample base can make liquid obtain bigger suction and by the inside of imbibition suction head main part, the practicality of device has been improved, through being provided with the filter core, the filter core has the filter effect, when the suction head main part is when absorbing liquid, inside liquid gets into inside the sampler main part through the suction head main part relatively easily and the adhesion is in the sampler main part, after the suction head main part that the sampler main part is renewed, the filter core can effectively obstruct the sampler main part when absorbing liquid, liquid gets into inside the sampler main part and takes place cross contamination's danger, the practicality of device has further been improved.

3. Through being provided with the scale mark, the accuracy of sample can accurately be judged to the scale mark, avoids causing the experiment failure because of the inaccuracy of sample volume when absorbing the sample, has improved the accuracy nature of device when using, and then has improved the practicality of device.

Drawings

FIG. 1 is a front view of the main body structure of the suction head of the present invention;

FIG. 2 is a schematic view of the front view of the main structure of the suction head body sleeved sampler of the present invention;

fig. 3 is a schematic front sectional view of the structure at a-a in fig. 2 according to the present invention;

fig. 4 is a partially enlarged schematic view of the structure at B in fig. 3 according to the present invention;

fig. 5 is the schematic diagram of the side view of the main structure of the sampler sleeved by the suction head main body of the utility model.

In the figure: 1. a suction head main body; 2. scale lines; 3. a sampling base; 4. a filter element; 5. an elastic fixing ball; 6. an elastic fixing block; 7. a protective fixing sleeve; 8. a sampler main body; 9. a through hole; 10. a rubber pad; 11. a groove; 12. a spring; 13. a handle; 14. a thread; 15. a view port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

analysis suction head, including suction head main part 1, the bottom fixed mounting of suction head main part 1 has sample base 3, and sample base 3's internal diameter reduces by lower supreme gradually, and sample base 3 can make liquid obtain bigger suction and is inhaled the inside of suction head main part 1, has improved the practicality of device.

The front of 3 top suction head main parts 1 of sample base is carved with scale mark 2, and the biggest scale of scale mark 2 is 3cm, and the accuracy of sample can accurately be judged to scale mark 2, avoids causing the experiment failure because of the inaccuracy of sample volume when absorbing the sample, has improved the accuracy nature of device when using, and then has improved the practicality of device.

The inside fixed mounting on 1 top of suction head main part has filter core 4, and filter core 4 is the cylinder shape, filter core 4 has the filter effect, when suction head main part 1 is when absorbing liquid, inside liquid gets into inside and the adhesion is in sampler main part 8 through suction head main part 1 easily, after the suction head main part 1 that sampler main part 8 was renewed, filter core 4 can effectively obstruct sampler main part 8 when absorbing liquid, liquid gets into inside and the danger that takes place cross contamination of sampler main part 8, the practicality of device has further been improved.

Through-hole 9 has all been seted up to the both sides on 1 top of suction head main part, the top cover of suction head main part 1 has sampler main part 8, the top fixed mounting of sampler main part 8 has hand (hold) 13, but sampler main part 8's front is inlayed and is installed view port 15, the bottom fixed mounting of sampler main part 8 has fixed cover 7 of protection, the bottom of the fixed cover 7 of protection all fixed mounting have rubber pad 10, and the quantity of rubber pad 10 is two, rubber pad 10 has certain frictional force in order to be used for suction head main part 1 and sampler main part 8's zonulae occludens, the suction head has further been avoided droing from suction.

Both sides of the fixed cover 7 of protection have all been seted up recess 11, the inside all fixedly connected with spring 12 of recess 11, the all fixedly connected with elastic fixation block 6 of one end that spring 12 kept away from each other, the all fixedly mounted elastic fixation ball 5 of one end that elastic fixation block 6 kept away from each other, the surface of elastic fixation ball 5 is carved with screw thread 14 all, the diameter ratio through-hole 9's of elastic fixation ball 5 diameter is big, elastic fixation ball 5 can block elastic fixation block 6 effectively and get into recess 11 completely, fine fixed effect has been played, the stability of device has been improved, and when using, the risk that drops appears in disposable suction head has been avoided, and then staff's work efficiency has been improved.

The working principle is as follows: when the device is used by a worker, firstly, the middle of the sampler main body 8 is held, the top end of the suction head main body 1 is pinched, and the suction head main body 1 is sleeved on the protective fixing sleeve 7, in the process of sleeving, referring to figure 4, when the elastic fixing ball 5 is aligned to the through hole 9, the spring 12 deforms to be in a compressed state, so that the elastic fixing block 6 retracts into the groove 11, the elastic fixing ball 5 is convenient to slide on the inner wall of the suction head main body 1, meanwhile, the elastic fixing ball 5 has elasticity, when the force is applied, the shape of the elastic fixing ball 5 is reduced, so that the elastic fixing ball 5 finally passes through the through hole 9 and is ejected to the outer side of the suction head main body 1 by the spring 12, if the worker uses the suction head main body 1, after the force for pressing the suction head main body 1 downwards, the spring 12 slightly deforms, the elastic fixing block 6 slightly retracts into the groove 11, and the diameter of the elastic fixing, elastic fixation ball 5 can block elastic fixation piece 6 effectively and get into recess 11 completely, fine fixed effect has been played, the stability of device has been improved, the installation of the disposable suction head of being convenient for, and when using, the risk that the disposable suction head appears droing has been avoided, and then staff's work efficiency has been improved, in addition, scale mark 2 can accurately judge the accuracy of sample of taking, avoid causing the experiment failure because of the inaccuracy of sample volume when absorbing the sample, the accuracy of device when using has been improved, rubber pad 10 has certain frictional force in order to be used for the zonulae occludens of suction head main part 1 and sampler main part 8, further avoided the suction head to drop from sampler main part 8.

When the staff uses suction head main part 1 to absorb liquid, sampling base 3 can make liquid obtain bigger suction and be absorbed into the inside of suction head main part 1, the practicality of the device has been improved, in addition, filter core 4 has the filtering action, when suction head main part 1 is absorbing liquid, inside liquid gets into inside sampler main part 8 through suction head main part 1 more easily and the adhesion is in sampler main part 8, after sampler main part 8 is renewed suction head main part 1, filter core 4 can effectively obstruct sampler main part 8 when absorbing liquid, liquid gets into inside sampler main part 8 and takes place cross contamination's danger, the practicality of the device has further been improved.

Will change suction head main part 1 after the staff work finishes, hold between the fingers elastic fixation ball 5 and make elastic fixation ball 5 reduce, fill in the elastic fixation ball 5 that will reduce simultaneously in to through-hole 9, the in-process of filling in, spring 12 and elastic fixation piece 6 are compressed, it can to extract suction head main part 1 whole downwards immediately, convenient operation is swift, convenient to detach and change suction head main part 1, the convenience of device when using has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Analysis suction head, including suction head main part (1), its characterized in that: through-hole (9) have all been seted up to the both sides on suction head main part (1) top, the top cover of suction head main part (1) has sampler main part (8), the top fixed mounting of sampler main part (8) has hand (hold) (13), but the front of sampler main part (8) is inlayed and is installed view mouth (15), the bottom fixed mounting of sampler main part (8) has the fixed cover of protection (7), the both sides of the fixed cover of protection (7) are all seted up flutedly (11), the inside all fixedly connected with spring (12) of recess (11), the one end all fixedly connected with elastic fixation block (6) of keeping away from each other of spring (12).

2. The analytical tip of claim 1, wherein: the bottom fixed mounting of suction head main part (1) has sample base (3), and the internal diameter of sample base (3) reduces gradually from bottom to top.

3. The analytical tip of claim 1, wherein: the suction head is characterized in that a filter element (4) is fixedly arranged inside the top end of the suction head main body (1), and the filter element (4) is cylindrical.

4. The analytical tip of claim 2, wherein: the front of the suction head main body (1) at the top end of the sampling base (3) is marked with scale marks (2), and the maximum scale number of the scale marks (2) is 3 cm.

5. The analytical tip of claim 1, wherein: the elastic fixing block (6) is fixedly provided with an elastic fixing ball (5) at one end far away from each other, and threads (14) are carved on the surface of the elastic fixing ball (5).

6. The analytical tip of claim 1, wherein: the bottom of the protective fixing sleeve (7) is fixedly provided with two rubber pads (10), and the number of the rubber pads (10) is two.