CN213842808U

CN213842808U - Quantitative filling device for environmental monitoring sampling

Info

Publication number: CN213842808U
Application number: CN202120083598.0U
Authority: CN
Inventors: 李丽萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-07-30
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a quantitative injector for environmental monitoring sampling, relating to the technical field of environmental monitoring sampling, comprising a needle cylinder component, wherein a detachable positioning component is sleeved outside the needle cylinder component; the detachable positioning assembly comprises a sliding sleeve ring, an installation block is fixedly arranged at the top of the sliding sleeve ring, a scale rod is fixedly arranged on one side of the installation block, a sliding block is sleeved outside the scale rod in a sliding manner, an upper limiting plate is fixedly arranged at the end part of the sliding block, a lower limiting plate is fixedly arranged at the bottom of the sliding block, and a through groove is formed in the bottom of the lower limiting plate; the sliding sleeve is characterized in that a screw A penetrates through the center of the bottom of the sliding sleeve ring, a knob A is fixedly arranged at the bottom end of the screw A, and a screw B penetrates through the center of the top of the sliding block. The utility model discloses effectively improve and annotate liquid speed, when improving detection efficiency, reduce the energy loss to technical staff, the in-service use effect is more ideal.

Description

Quantitative filling device for environmental monitoring sampling

Technical Field

The utility model relates to an environmental monitoring sampling technical field, in particular to quantitative filler is used in environmental monitoring sampling.

Background

When carrying out the environmental monitoring engineering, the technical staff need gather different varieties and the same volume's liquid sample in the monitoring environment, and put into reagent preparation container with it and store, then through the mode of adding quantitative detection liquid, detect the nature of environmental sample, in the actual testing process, in order to guarantee the accuracy of testing result, the testing process need carry out many times under the same condition, be about to liquid sample etc. divide into many, then add the isovolumic detection liquid in many liquid samples respectively, the accuracy is relatively poor when adopting rubber head burette liquid feeding, therefore adopt the cylinder to carry out the liquid feeding when adding the detection liquid to liquid sample among the prior art.

However, the mode of adding liquid by using the needle cylinder still has some defects in actual use, and it is obvious that although scales are arranged on the needle cylinder, in order to accurately add liquid, technicians need to continuously observe the scales in the liquid injection process, the liquid injection speed is slow while the energy of the technicians is consumed in the whole operation process, and great influence is caused on the detection efficiency.

Therefore, it is necessary to develop a quantitative filling device for environmental monitoring sampling to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental monitoring sampling is with quantitative filling ware to although being provided with the scale on solving the cylinder that proposes in the above-mentioned background art, but in order can be more accurate carry out the liquid feeding, technical staff need the persistence to observe the scale annotating the liquid in-process, when whole operation process comparatively consumed technical staff energy, annotate liquid speed also slower, caused the problem of great influence to detection efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a quantitative injector for environmental monitoring sampling comprises a needle cylinder assembly, wherein a detachable positioning assembly is sleeved on the outer side of the needle cylinder assembly;

the detachable positioning assembly comprises a sliding sleeve ring, an installation block is fixedly arranged at the top of the sliding sleeve ring, a scale rod is fixedly arranged on one side of the installation block, a sliding block is sleeved outside the scale rod in a sliding manner, an upper limiting plate is fixedly arranged at the end part of the sliding block, a lower limiting plate is fixedly arranged at the bottom of the sliding block, and a through groove is formed in the bottom of the lower limiting plate;

the sliding sleeve is characterized in that a screw rod A is arranged at the center of the bottom of the sliding sleeve in a penetrating mode, a knob A is fixedly arranged at the bottom end of the screw rod A, a screw rod B is arranged at the center of the top of the sliding block in a penetrating mode, and a knob B is fixedly arranged at the top of the screw rod B.

Preferably, the screw rod a is in threaded connection with the sliding sleeve ring, and the screw rod B is in threaded connection with the sliding block.

Preferably, the outer sides of the knob A and the knob B are uniformly bonded with anti-skid convex strips.

Preferably, the needle cylinder assembly comprises a cylinder body, and the sliding lantern ring is sleeved on the outer side of the cylinder body.

Preferably, a pulling plate is fixedly sleeved at one end of the outer side of the cylinder body, and a piston is slidably arranged in the cylinder body.

Preferably, a push rod is fixedly arranged in the middle of the side face of the piston and is located on the inner side of the through groove.

Preferably, the end part of the push rod is fixedly provided with a push plate, and the push plate is positioned between the lower limiting plate and the upper limiting plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with removable locating component to when annotating the liquid, can cup joint removable locating component in the cylinder subassembly outside, then utilize the last limiting plate in the removable locating component to cooperate the lower limiting plate and carry out the spacing to the push pedal, and then make the cylinder subassembly can extract and the volume that can discharge fixed, compare in the mode that directly adopts the cylinder subassembly to annotate liquid among the prior art, the utility model discloses effectively improve liquid injection speed, when improving detection efficiency, reduce the energy loss to the technical staff, the actual use effect is more ideal;

2. the utility model discloses a be provided with anti-skidding sand grip to when rotating knob A and knob B, anti-skidding sand grip can increase the frictional force between technical staff's hand and knob A and the knob B, and then makes things convenient for more to rotate knob A and knob B.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

fig. 3 is the front sectional structural schematic diagram of the sliding block and the lower limiting plate of the present invention.

In the figure: 1. a syringe assembly; 11. a barrel; 12. pulling a plate; 13. a piston; 14. a push rod; 15. pushing the plate; 2. a detachable positioning component; 21. a slip collar; 22. mounting blocks; 23. a graduated rod; 24. a slider; 25. an upper limiting plate; 26. a lower limiting plate; 27. a through groove; 3. a screw A; 4. a knob A; 5. A screw B; 6. a knob B; 7. anti-slip convex strips.

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.

The utility model provides a quantitative filling device for environmental monitoring sampling as shown in figures 1-3, as shown in figures 1 and 2, including cylinder subassembly 1, cylinder subassembly 1 is cup jointed in the outside and is set up removable locating component 2.

As shown in fig. 1, fig. 2 and fig. 3, the detachable positioning assembly 2 includes a sliding sleeve ring 21, a mounting block 22 is fixedly arranged on the top of the sliding sleeve ring 21, a graduated rod 23 is fixedly arranged on one side of the mounting block 22, a sliding block 24 is slidably sleeved outside the graduated rod 23, a limiting plate 25 is fixedly arranged on the end of the sliding block 24, a lower limiting plate 26 is fixedly arranged on the bottom of the sliding block 24, and a through groove 27 is formed in the bottom of the lower limiting plate 26.

More specifically, slip lantern ring 21 bottom center department runs through and sets up screw rod A3, screw rod A3 and slip lantern ring 21 threaded connection, screw rod A3 bottom mounting sets up knob A4, sliding block 24 top center department runs through and sets up screw rod B5, screw rod B5 and sliding block 24 threaded connection, the fixed knob B6 that sets up in screw rod B5 top, so that rotate knob B6, and then make knob B6 drive anti-skidding sand grip 7 to the direction motion that is close to graduated scale 23, thereby fix a position sliding block 24.

Simultaneously, the knob A4 outside evenly bonds with the knob B6 outside and sets up anti-skidding convex strip 7 to when rotating knob A4 and knob B6, anti-skidding convex strip 7 can increase the frictional force between technical staff's hand and knob A4 and knob B6, and then more conveniently rotates knob A4 and knob B6.

It should also be noted that, syringe subassembly 1 includes barrel 11, slip lantern ring 21 cup joints and sets up in the barrel 11 outside, the fixed cup joint of barrel 11 outside one end sets up arm-tie 12, barrel 11 is inside to slide and sets up piston 13, the fixed push rod 14 that sets up in piston 13 side middle part, push rod 14 is located logical 27 inboardly, push rod 14 end fixing sets up push pedal 15, push pedal 15 is located between lower limiting plate 26 and the last limiting plate 25, so that go up limiting plate 25 and cooperate lower limiting plate 26 to carry out spacingly to push pedal 15, and then make syringe subassembly 1 can extract and the volume that can discharge fixed.

The utility model discloses the theory of operation:

during practical use, the needle cylinder assembly 1 and the detachable positioning assembly 2 are in a separated state at the moment, a technician can take the detachable positioning assembly 2, then the sliding lantern ring 21 in the detachable positioning assembly 2 is sleeved outside the cylinder body 11, and at the moment, the knob A4 is rotated, so that the knob A4 drives the screw rod A3 to move towards the direction close to the cylinder body 11, and the sliding lantern ring 21 is fixed outside the cylinder body 11;

at the moment, a technician can pull the push plate 15, so that the push plate 15 is attached to the upper limiting plate 25, then slide the sliding block 24 on the outer side of the scale rod 23, so that the sliding block 24 drives the lower limiting plate 26 to move, thereby adjusting the distance between the lower limiting plate 26 and the upper limiting plate 25, after the adjustment is completed, the knob B6 is rotated, so that the knob B6 drives the anti-skidding convex strips 7 to move towards the direction close to the scale rod 23, thereby positioning the sliding block 24;

at this moment, the technician can push the push plate 15 to the position attached to the lower limiting plate 26, then suck the detection liquid, stop sucking the liquid after the push plate 15 moves to the position contacted with the upper limiting plate 25, inject the detection liquid into the sample solution, repeat the above operations for multiple times, and then complete the liquid injection operation.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an environmental monitoring sampling is with ration filling ware which characterized in that: comprises a needle cylinder component (1), wherein a detachable positioning component (2) is sleeved and arranged on the outer side of the needle cylinder component (1);

the detachable positioning component (2) comprises a sliding sleeve ring (21), the top of the sliding sleeve ring (21) is fixedly provided with a mounting block (22), one side of the mounting block (22) is fixedly provided with a scale rod (23), the outer side of the scale rod (23) is slidably sleeved with a sliding block (24), the end part of the sliding block (24) is fixedly provided with an upper limiting plate (25), the bottom of the sliding block (24) is fixedly provided with a lower limiting plate (26), and the bottom of the lower limiting plate (26) is provided with a through groove (27);

the sliding sleeve is characterized in that a screw A (3) penetrates through the center of the bottom of the sliding sleeve ring (21), a knob A (4) is fixedly arranged at the bottom end of the screw A (3), a screw B (5) penetrates through the center of the top of the sliding block (24), and a knob B (6) is fixedly arranged at the top of the screw B (5).

2. The quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: the screw A (3) is in threaded connection with the sliding sleeve ring (21), and the screw B (5) is in threaded connection with the sliding block (24).

3. The quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: the outer side of the knob A (4) and the outer side of the knob B (6) are uniformly bonded with anti-slip convex strips (7).

4. The quantitative filling device for environmental monitoring sampling according to claim 1, characterized in that: the needle cylinder assembly (1) comprises a cylinder body (11), and the sliding lantern ring (21) is sleeved on the outer side of the cylinder body (11).

5. The quantitative filling device for environmental monitoring sampling according to claim 4, characterized in that: the cylinder is characterized in that a pulling plate (12) is fixedly sleeved at one end of the outer side of the cylinder (11), and a piston (13) is arranged in the cylinder (11) in a sliding manner.

6. The quantitative filling device for environmental monitoring sampling according to claim 5, characterized in that: the middle part of the side surface of the piston (13) is fixedly provided with a push rod (14), and the push rod (14) is positioned on the inner side of the through groove (27).

7. The quantitative filling device for environmental monitoring sampling according to claim 6, wherein: the end part of the push rod (14) is fixedly provided with a push plate (15), and the push plate (15) is positioned between the lower limiting plate (26) and the upper limiting plate (25).