CN210604548U

CN210604548U - Quantitative filling device for environmental monitoring sampling

Info

Publication number: CN210604548U
Application number: CN201921183850.4U
Authority: CN
Inventors: 孙庆龙; 杨桂芹; 焦金玲; 余宏涛
Original assignee: Shandong Weizhen Test & Analysis Co ltd
Current assignee: Shandong Weizhen Test & Analysis Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-22
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a quantitative charging ware of environmental monitoring sampling usefulness, the novel nipple rectifier comprises a cylindrical shel, be provided with the apron on the barrel, the embedding has the pole cover on the apron, slides in the pole cover and is provided with the piston rod, and the lower extreme of piston rod is provided with the piston plate, and the piston plate slip cap is established at the barrel, is provided with the clamp plate on the piston rod, is provided with the threaded rod on the apron, sets up the round hole on the clamp plate, and the threaded rod is established with round hole slip cap, is provided with the locating piece on the threaded rod, and the clamp plate is hugged closely with the locating piece to threaded. This quantitative filling ware of environmental monitoring sampling usefulness, through to adding the liquid of sufficient in the barrel, make it can once only carry out the filling liquid to a plurality of beakers, simple and convenient, the quantitative extrusion of cooperation piston rod simultaneously to reach the effect of quantitative filling.

Description

Quantitative filling device for environmental monitoring sampling

Technical Field

The utility model relates to an environmental monitoring sampling technical field specifically is a quantitative filler of environmental monitoring sampling usefulness.

Background

In some environmental monitoring, liquid samples of different varieties and the same volume are collected and then put into a reagent preparation container, and then a quantitative detection liquid is added to detect the properties of the environmental sample. The detection process usually needs to be performed several times in parallel, that is, a sample is divided into multiple parts, and then an equal volume of detection solution is added.

The existing liquid adding mode mostly adopts a rubber head dropper or a needle cylinder structure, liquid taking and liquid adding are carried out by extruding a rubber head or a piston, wherein the accuracy of the rubber head dropper is extremely poor, and the needle cylinder structure can be scaled to increase the accuracy of the liquid adding volume, but is easy to apply force unstably, so that the liquid adding is too much, the liquid taking and adding amount is unstable, and errors are caused to detection data.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quantitative filling ware of environmental monitoring sampling usefulness to solve traditional rubber head drip tube or cylinder structure when the liquid feeding is being taken a sample, the unstable problem of liquid feeding volume.

In order to achieve the above object, the utility model provides a following technical scheme: the quantitative filling device for environmental monitoring sampling comprises a barrel body, wherein an cover plate is arranged on the barrel body, a rod sleeve is embedded in the cover plate, a piston rod is arranged in the rod sleeve in a sliding mode, a piston plate is arranged at the lower end of the piston rod, the piston plate is sleeved with the barrel body in a sliding mode, a pressing plate is arranged on the piston rod, a threaded rod is arranged on the cover plate, a round hole is formed in the pressing plate, the threaded rod is arranged with the round hole in a sliding mode, a positioning block is arranged on the threaded rod, the pressing plate is tightly attached to the positioning block, a threaded sleeve is connected to the threaded rod in a threaded mode, the pressing.

Preferably, the cover plate is fixedly connected with an elastic card, the barrel is provided with a card seat, the elastic card is clamped with the card seat, the shape and the size of the elastic card and the card seat are matched, and the elastic card is made of flexible plastic materials.

Preferably, the lower end of the cylinder body is provided with an injection nozzle, and the injection nozzle is sleeved with a rubber sleeve.

Preferably, the equal fixedly connected with mount pad in both sides of barrel, it is provided with the mounting panel to slide in the mount pad, fixedly connected with landing leg on the mounting panel, the lower extreme fixedly connected with bottom plate of landing leg.

Preferably, be provided with the recess on the mounting panel, fixedly connected with spring in the recess, the one end fixedly connected with bayonet lock of spring, be provided with the through-hole on the mount pad, the through-hole is established to bayonet lock slip cap.

Compared with the prior art, the beneficial effects of the utility model are that: this quantitative filler that environmental monitoring sampling used: 1. by adding sufficient liquid into the cylinder, the liquid in the cylinder can be used for quantitatively filling liquid into a plurality of beakers, the operation is simple and convenient, and meanwhile, the quantitative filling effect is achieved by matching with the quantitative extrusion of the piston rod;

2. the piston plate is adjustable along the scales through the threaded sleeve, so that the pressing plate can move between the positioning block and the threaded sleeve, the piston plate can extrude liquid, and quantitative filling of different volumes is completed through adjustment of the threaded sleeve.

3. Through the limiting function of the threaded sleeve, the movable stroke of the pressing plate is limited, and excessive liquid adding caused by unstable force application can be avoided.

Drawings

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

FIG. 2 is an enlarged schematic view of the utility model at a;

FIG. 3 is an enlarged schematic view of the utility model at b;

fig. 4 is a schematic view of the bottom of the mounting seat in the bottom-up position of the present invention;

fig. 5 is an enlarged schematic view of the present invention at position c.

In the figure: 1 cylinder, 11 cover plates, 12 rod sleeves, 13 piston rods, 14 piston plates, 15 pressing plates, 16 threaded rods, 17 round holes, 18 positioning blocks, 19 threaded sleeves, 110 scales, 2 elastic clamps, 21 clamping seats, 3 injection nozzles, 31 rubber sleeves, 4 mounting seats, 41 mounting plates, 42 supporting legs, 43 bottom plates, 5 grooves, 51 through holes, 52 springs and 53 clamping pins.

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 and 5, the present invention provides a technical solution: a quantitative filling device for environment monitoring sampling comprises a barrel body 1, wherein the barrel body 1 is made of transparent polyvinyl chloride materials, the surface of the barrel body is provided with scale marks, a cover plate 11 is arranged on the barrel body 1, the cover plate 11 can facilitate connection of a piston plate 14, a rod sleeve 12 is embedded in the cover plate 11, the rod sleeve 12 is fixedly embedded in the cover plate 11, a piston rod 13 is arranged in the rod sleeve 12 in a sliding mode, the piston rod 13 is fixedly connected with parts at two ends, the lower end of the piston rod 13 is provided with the piston plate 14, the piston plate 14 is sleeved on the barrel body 1 in a sliding mode, a pressing plate 15 is arranged on the piston rod 13, a threaded rod 16 is arranged on the cover plate 11, the threaded rod 16 is fixedly connected with the cover plate 11, a round hole 17 is arranged on the pressing plate 15, the threaded rod 16 is sleeved with the round hole 17 in a sliding mode, a positioning block, the distance between the threaded sleeve 19 and the positioning block 18 can be adjusted through threaded movement of the threaded sleeve 19 on the threaded rod 16, so that the pressing plate 15 has a movable space, the telescopic distance of the pressing plate 15 can be used as a quantitative standard for liquid outlet of the piston plate 14, after extrusion, the pressing plate 15 is reset manually and is tightly attached to the positioning block 18, one-time filling is completed, the threaded sleeve 19 is tightly attached to the pressing plate 15, the threaded rod 16 is provided with scales 110, the scales 110 can realize filling of various different volumes according to actual filling conditions, and the accuracy of filling adjustment can be guaranteed through threaded pushing of the threaded sleeve 19.

Referring to fig. 1 and 2, an elastic clip 2 is fixedly connected to the cover plate 11, a clip base 21 is arranged on the barrel 1, the elastic clip 2 is clipped to the clip base 21, the shape and size of the elastic clip 2 and the clip base 21 are matched, and the elastic clip 2 is made of flexible plastic material, so that the cover plate 11 is convenient to detach, and liquid is convenient to add.

Referring to fig. 1, the lower end of the cylinder 1 is provided with an injection nozzle 3, the injection nozzle 3 is sleeved with a rubber sleeve 31, the effect is similar to that of an injection syringe, the injection nozzle 3 is thin, and after the piston plate 14 is plugged, the situation of liquid leakage from the injection nozzle 3 due to the pressure difference is eliminated.

Referring to fig. 1 and 4, the mounting seat 4 is fixedly connected to both sides of the cylinder 1, the mounting plate 41 is slidably arranged in the mounting seat 4, the mounting plate 41 is fixedly connected with the supporting leg 42, and the bottom plate 43 is fixedly connected to the lower end of the supporting leg 42, so that when the liquid filling device is used, the cylinder 1 can be vertically downward supported by the bottom plate 43, and the stability of liquid filling at each time is ensured.

Referring to fig. 1, 3 and 4, a groove 5 is formed in the mounting plate 41, a spring 52 is fixedly connected in the groove 5, a bayonet 53 is fixedly connected to one end of the spring 52, a through hole 51 is formed in the mounting seat 4, and the bayonet 53 is slidably sleeved in the through hole 51.

The utility model discloses when concrete implementation: when quantitative filling is needed, the rubber sleeve 31 is wrapped at the lower end of the injection nozzle 3, then liquid is added into the cylinder body 1, the adding volume is about 3/4 of the volume of the cylinder body 1, and the total volume of the liquid can be determined according to the volume of the cylinder body 1. Then cover plate 11 is covered on cylinder 1, and is clamped in seat 21 through elastic clamp 2, fixing is completed, and piston plate 14 is in sliding contact with the inner wall of cylinder 1, then mounting plate 41 is placed in mounting seat 4, so that the position of clamping pin 53 corresponds to the position of through hole 51, and is reset through compression of spring 52, so that clamping pin 53 is sprung into through hole 51, and thus mounting of supporting leg 42 and bottom plate 43 is completed, then two bottom plates 43 are erected on a plane, so that cylinder 1 can be vertically downward, thereby ensuring that liquid can be gathered at the position of injection nozzle 3 during each quantitative filling, and then through the dosage needing quantitative filling, threaded sleeve 19 is rotated to enable liquid to move downward, adjustment is carried out along with scale 110, and the distance between pressing plate 15 and positioning block 18 is adjusted, so that pressing plate 15 can have a moving space, pressing plate 15 can move, and piston plate 14 can realize liquid outlet work, finally, the pressing plate 15 is pressed by fingers, the piston rod 13 slides in the rod sleeve 12, so that the piston rod 14 can push liquid to flow out of the injection nozzle 3, the pressing plate 15 is in contact with the threaded sleeve 19 and limited, the quantitative effect of each filling is realized, the threaded sleeve 19 can be rotated again after a single filling is finished, the distance for limiting the next displacement of the pressing plate 15 is adjusted, and the quantitative refilling is realized.

The utility model discloses a mount pad 4, mounting panel 41, landing leg 42 are for dismantling the connection, and according to particular case, the user can decide by oneself whether need install landing leg 42.

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. The utility model provides a quantitative filler that environmental monitoring sampling was used, includes barrel (1), its characterized in that: a cover plate (11) is arranged on the cylinder body (1), a rod sleeve (12) is embedded in the cover plate (11), a piston rod (13) is arranged in the rod sleeve (12) in a sliding way, a piston plate (14) is arranged at the lower end of the piston rod (13), the piston plate (14) is sleeved on the cylinder body (1) in a sliding way, the piston rod (13) is provided with a pressure plate (15), a threaded rod (16) is arranged on the cover plate (11), a round hole (17) is arranged on the pressure plate (15), the threaded rod (16) is sleeved with the round hole (17) in a sliding manner, a positioning block (18) is arranged on the threaded rod (16), the pressure plate (15) is tightly attached to the positioning block (18), the threaded rod (16) is in threaded connection with a threaded sleeve (19), the threaded sleeve (19) is tightly attached to the pressure plate (15), and scales (110) are arranged on the threaded rod (16).

2. The quantitative doser for environmental monitoring samples according to claim 1, characterized in that: the elastic clamp is characterized in that an elastic clamp (2) is fixedly connected to the cover plate (11), a clamp seat (21) is arranged on the barrel body (1), the elastic clamp (2) is clamped with the clamp seat (21), the elastic clamp (2) is matched with the clamp seat (21) in shape, and the elastic clamp (2) is made of flexible plastic materials.

3. The quantitative doser for environmental monitoring samples according to claim 1, characterized in that: the lower end of the cylinder body (1) is provided with an injection nozzle (3), and the injection nozzle (3) is sleeved with a rubber sleeve (31).

4. The quantitative doser for environmental monitoring samples according to claim 1, characterized in that: the improved barrel is characterized in that mounting seats (4) are fixedly connected to the two sides of the barrel body (1), mounting plates (41) are arranged in the mounting seats (4) in a sliding mode, supporting legs (42) are fixedly connected to the mounting plates (41), and bottom plates (43) are fixedly connected to the lower ends of the supporting legs (42).

5. The quantitative doser for environmental monitoring samples according to claim 4, characterized in that: be provided with recess (5) on mounting panel (41), fixedly connected with spring (52) in recess (5), one end fixedly connected with bayonet lock (53) of spring (52), be provided with through-hole (51) on mount pad (4), through-hole (51) are established to bayonet lock (53) slip cover.