CN215296800U

CN215296800U - Spectrophotometer sampling device

Info

Publication number: CN215296800U
Application number: CN202120894913.8U
Authority: CN
Inventors: 杜继东
Original assignee: Yipu Instrument Manufacturing Shanghai Co ltd
Current assignee: Yipu Instrument Manufacturing Shanghai Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-24
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a spectrophotometer sampling device, include: the sampling tube is mainly used for containing sampling substances, and the lower end of the sampling tube is connected with a connecting tube; the first holding ring is fixedly arranged on the outer wall of the top end of the left side of the sampling tube; the inner chamber is arranged on the inner side of the sampling tube and extends to the outer wall of the top end of the sampling tube; the piston, sliding connection is in the inboard of interior chamber, the piston with the inner wall of interior chamber closely laminates, the material of piston is the rubber material, the utility model discloses device simple structure to the convenience is taken a sample the operation to the sample, utilizes the novel design of gripping the structure, can make operating personnel more convenient to sampling device's control to more firm, but also can utilize the one hand to grip control sampling device, utilizes the effect of the novel structure of seal cover moreover, can prevent that second chamber and pull rod in the sampling tube from exposing outside, prevents that materials such as bacterium from attaching to on it.

Description

Spectrophotometer sampling device

Technical Field

The utility model relates to a spectrophotometer sampling technical field specifically is a spectrophotometer sampling device.

Background

The spectrophotometer sampling device is used for sampling a sample to be detected and analyzed, and the traditional sampling device is inconvenient to operate and sample due to the complex structure, and the sample is easy to be polluted due to the exposure of an inner cavity, so that the sampling inspection result is easy to be inaccurate, the waste of detection resources is caused, and the detection progress is delayed;

when the container that holds of sample is darker, because sampling device length is limited, be difficult to sample the sample to if partly stretch into the sample container with sampling device's sampling tube, have easily to produce the pollution to the sample, influence the accuracy of subsequent inspection easily.

So need design a spectrophotometer sampling device to above-mentioned problem, utilize its simple structure conveniently to take a sample to can carry out fine protection to sampling device, thereby can avoid the sample to receive the problem of pollution indirectly.

Disclosure of Invention

An object of the utility model is to provide a spectrophotometer sampling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a spectrophotometer sampling device comprising:

the sampling tube is mainly used for containing sampling substances, and the lower end of the sampling tube is connected with a connecting tube;

the first holding ring is fixedly arranged on the outer wall of the top end of the left side of the sampling tube;

the inner chamber is arranged on the inner side of the sampling tube and extends to the outer wall of the top end of the sampling tube;

the piston, sliding connection is in the inboard of interior chamber, the piston with the inner wall of interior chamber closely laminates, the material of piston is the rubber material.

Compared with the prior art, the invention has the beneficial effects that: the sampling device of the spectrophotometer has a simple structure, is convenient for sampling samples, can be more conveniently controlled by an operator by utilizing the design of a novel holding structure and is more stable, the sampling device can be held and controlled by a single hand, and a sampling extension pipe can be additionally arranged on the sampling device according to the holding depth of a sample bottle, so that the sampling is convenient;

1. the sampling extension tube device with the telescopic structure can increase the sampling length of the sampling device, is convenient to sample samples, reduces the contact between the sampling tube and a sample bottle, reduces pollution, can also be convenient to take the sampling extension tube off a connecting pipe, is convenient to split and clean the sampling tube and the sampling extension tube, can be conveniently controlled by only two fingers by using the symmetrical first holding ring and the symmetrical second holding ring, and can be more stably held by the sampling device and more sensitively operated by using the structure of the ring;

2. utilize the effect of seal cover, can prevent that second cavity and pull rod in the sampling tube from exposing in the outside, prevent that material such as bacterium from attaching to on it, and when the piston slides, make bacterium and sample contact and produce the pollution, and the beta structure of seal cover can conveniently be elongated or fold and shorten, thereby satisfy stretching out and retracting of pull rod, and utilize the card ring, can conveniently utilize the one-hand finger to operate, the one-hand operation sampling device of being convenient for, improve the convenient operation effect of device.

Drawings

Fig. 1 is a schematic isometric view of the present invention;

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

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is a schematic front sectional view of the present invention.

In the figure: 1. a sampling tube; 2. a connecting pipe; 3. a sampling extension tube; 4. adjusting the clamping plate; 5. a first grip ring; 6. a second grip ring; 7. sealing sleeves; 8. a first chamber; 9. a second chamber; 10. a piston; 11. a pull rod; 12. a top plate; 13. a ring is clamped; 14. a limiting block; 15. an inner chamber.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a spectrophotometer sampling device comprises

The sampling tube 1 is mainly used for containing sampling substances, and the lower end of the sampling tube 1 is connected with a connecting tube 2;

the first holding ring 5 is fixedly arranged on the outer wall of the top end of the left side of the sampling tube 1;

the inner chamber 15 is arranged on the inner side of the sampling tube 1, and the inner chamber 15 extends to the outer wall of the top end of the sampling tube 1;

piston 10, sliding connection is in the inboard of interior chamber 15, piston 10 with the inner wall of interior chamber 15 closely laminates, the material of piston 10 is the rubber material.

Preferably, the method further comprises the following steps:

the sampling extension pipe 3 is clamped at the lower end of the outer side of the connecting pipe 2, the structure of the sampling extension pipe 3 is a telescopic structure, the sampling extension pipe 3 is divided into a plurality of sections, the sampling length of the sampling device can be increased by utilizing the designed sampling extension pipe 3 device with the telescopic structure, a sample can be conveniently sampled, the contact between the sampling pipe 1 and a sample bottle is reduced, the pollution is reduced, the sampling extension pipe 3 can be conveniently taken down from the connecting pipe 2, and the sampling pipe 1 and the sampling extension pipe 3 can be conveniently disassembled and cleaned;

and the adjusting clamping plates 4 are symmetrically arranged at the left side and the right side of the uppermost part of the sampling extension pipe 3 and are fixedly arranged at the outer side surface of the extension pipe 3.

Preferably, the first grip ring 5 further comprises:

the second holds ring 6, its fixed mounting in the top lateral surface of sampling tube 1, the second hold ring 6 with first hold ring 5 about the central axis of sampling tube 1 constitutes symmetrical structure, utilizes first hold ring 5 and the second of symmetry to hold ring 6 in addition, can be convenient for only utilize two fingers to control, and the structure of ring can make holding more firm to sampling device moreover, and the operation is more sensitive.

Preferably, the method further comprises the following steps:

the lower end of the sealing sleeve 7 is fixed on the top end face of the sampling tube 1, the upper end of the sealing sleeve 7 is fixed on the lower end face of the top plate 12, a sealing structure is formed between the sealing sleeve 7 and the top plate 12 and between the sealing sleeve 7 and the sampling tube 1, and the sealing sleeve 7 is of a folding structure.

Preferably, the piston 10 further comprises:

a pull rod 11 fixedly mounted on the upper end of the piston 10, wherein the cross-sectional shape of the pull rod 11 in plan view is a cross-shaped structure;

a top plate 12 fixedly mounted on the top end of the pull rod 11;

the card ring 13 is fixedly arranged on the upper surface of the top plate 12, and the card ring 13 is utilized, so that the operation can be conveniently carried out by utilizing a single finger, the sampling device can be conveniently operated by a single hand, and the convenient operation effect of the device is improved.

The inner chamber 15 further comprises:

a first chamber 8 disposed below the inner chamber 15, the first chamber 8 being disposed at a lower end of the piston 10;

a second chamber 9 disposed above the inner chamber 15, the second chamber 9 being disposed at an upper end of the piston 10;

the limiting block 14 is symmetrically arranged at the top end of the sampling tube 1, the limiting block 14 is fixedly arranged on the inner side of the second chamber 9, and the limiting block 14 is used for preventing the piston 10 from sliding out of the inner chamber 15.

The working principle is as follows: in use of the device, the sample container is removed again, the index finger and the middle finger are inserted into the first grip ring 5 and the second grip ring 6, respectively, the thumb is inserted into the snap ring 13, the gripping control of the sample container is formed, the sample extension tube 3 is removed again, the adjusting snap plates 4 on both sides are gripped by the other hand, the sample extension tube 3 is sleeved on the connecting tube 2, the sample extension tube 3 is inserted into the sample bottle, the thumb is lifted again, the pull rod 11 and the top plate 12 are driven by the thumb to move upwards, the pull rod 11 drives the piston 10 to slide upwards in the inner chamber 15 of the sample tube 1, the sample is sucked into the first chamber 8, the sampling is completed, and the sealing sleeve 7 forms a seal for the pull rod 11 and the second chamber 9, can prevent to pollute sampling device's inner chamber, after sampling device used, can take off sample extension pipe 3 from sample tube 1, separately wash, stopper 14's effect is in order to prevent in the piston 10 roll-off inner chamber 15 moreover.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spectrophotometer sampling device, comprising:

2. A spectrophotometer sampling apparatus as claimed in claim 1, further comprising:

the sampling extension pipe is clamped at the lower end of the outer side of the connecting pipe, the structure of the sampling extension pipe is a telescopic structure, and the sampling extension pipe is divided into a plurality of sections;

and the adjusting clamping plates are symmetrically arranged at the left side and the right side of the uppermost part of the sampling extension pipe and are fixedly arranged at the outer side surface of the extension pipe.

3. A spectrophotometer sampling apparatus as claimed in claim 1 wherein said first grip ring further comprises:

the second holding ring is fixedly arranged on the outer side surface of the top end of the sampling tube, and the second holding ring and the first holding ring form a symmetrical structure about the central axis of the sampling tube.

4. A spectrophotometer sampling apparatus as claimed in claim 1, further comprising:

the lower end of the sealing sleeve is fixed on the top end face of the sampling tube, the upper end of the sealing sleeve is fixed on the lower end face of a top plate, a sealing structure is formed between the sealing sleeve and the top plate and between the sealing sleeve and the sampling tube, and the sealing sleeve is of a folding structure.

5. A spectrophotometer sampling apparatus as claimed in claim 1 wherein said piston further comprises:

the pull rod is fixedly arranged at the upper end of the piston, and the overlooking cross section of the pull rod is of a cross structure;

the top plate is fixedly arranged at the top end of the pull rod;

the clamping ring is fixedly arranged on the upper surface of the top plate.

6. A spectrophotometer sampling apparatus as claimed in claim 1, wherein said inner chamber further comprises:

a first chamber disposed below the inner chamber, the first chamber being disposed at a lower end of the piston;

a second chamber disposed above the inner chamber, the second chamber disposed at an upper end of the piston;

and the limiting blocks are symmetrically arranged at the top ends of the sampling tubes and are fixedly arranged on the inner sides of the second chambers.