CN211373751U

CN211373751U - Liquid metering device

Info

Publication number: CN211373751U
Application number: CN201921991644.6U
Authority: CN
Inventors: 李伟; 李文天; 唐金辉; 岳淑玲; 安德赢
Original assignee: CHAOYANG CITY ZHENGHE CHEMICAL
Current assignee: CHAOYANG CITY ZHENGHE CHEMICAL
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-28
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a liquid metering device, which comprises a measuring cylinder body, wherein the inner part of the measuring cylinder body is slidably connected with a rubber ring, the rubber ring is fixedly connected with a fixed frame, the top end of the fixed frame is fixedly connected with a sliding rod, the surface of the sliding rod is sleeved with a first spring, the surface of the sliding rod is fixedly connected with a first limit disc, the utility model utilizes the upward movement of a sealing plate to ensure that the top part of the sealing plate does not seal the liquid in the measuring cylinder body, thereby ensuring that the measuring cylinder in the measuring cylinder body flows out, and controlling the upward movement distance of the sealing plate to control the liquid flowing out speed, the device has simple structure, can control the flowing out speed of the liquid after the measurement is finished, thereby avoiding the phenomenon that the liquid is poured out to ensure that the liquid cannot uniformly and slowly control the flow speed of the liquid, and the downward movement of the rubber ring can bring the liquid in the inner wall of the measuring cylinder body to the bottom of, thereby reducing errors in the measurement.

Description

Liquid metering device

Technical Field

The utility model relates to a measurement technical field of liquid specifically is a liquid metering device.

Background

The measurement is realized by using technology and legal method to realize uniform unit and accurate and reliable measurement value. In the metrology process, the gauges and instruments used are considered standard and are used to calibrate, certify the gauge under test and the instrument equipment to measure and ensure the reliability of the measurements obtained when the gauge under test instruments are used for measurements.

When the existing metering device measures liquid, the liquid is easily adhered to the inside of a measuring cylinder, so that a measuring structure has certain error, and the flow rate of the poured liquid cannot be controlled after the measurement is finished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid metering 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: the utility model provides a liquid metering device, includes the graduated flask body, the inside sliding connection of graduated flask body has the rubber ring, fixedly connected with mount on the rubber ring, the top fixedly connected with slide bar of mount, first spring has been cup jointed on the surface of slide bar, the first spacing dish of fixed surface of slide bar is connected with, the top fixedly connected with pull rod of slide bar, the sealed shell of bottom fixedly connected with of graduated flask body, the inside sliding connection of sealed shell has the closing plate, fixedly connected with handle on the closing plate, a plurality of spacing grooves have been seted up on the closing plate.

Preferably, the right side of the measuring cylinder body is fixedly connected with a limiting device, and the limiting device comprises a fixed shell.

Preferably, the inner part of the fixed shell is slidably connected with a limiting rod, and the surface of the limiting rod is sleeved with a second spring.

Preferably, the surface of the limiting rod is fixedly connected with a second limiting disc, and one end of the limiting rod is fixedly connected with a disc.

Preferably, one end of the limiting rod is in a radian shape, and one end of the limiting rod is matched with the limiting groove.

Preferably, a fixing tube is fixedly connected to the sealing shell, and one end of the sealing plate penetrates through the bottom of the fixing shell and extends to the top of the sealing shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is arranged by holding the pull rod, putting the rubber ring at the bottom of the pull rod into the measuring cylinder, then pushing the pull rod downwards, the downward movement of the pull rod can drive the sliding rod to move downwards, the downward movement of the sliding rod can drive the fixing frame to move downwards, the downward movement of the fixing frame can drive the rubber ring to move downwards, the downward movement of the rubber ring can drive the liquid on the inner wall of the measuring cylinder body to move downwards, and when the liquid after the measurement is required to be poured out, the handle is held by hands, then the handle is pulled upwards, the upward movement of the handle can drive the sealing plate to move upwards, the upward movement of the sealing plate can drive the limiting groove on the sealing plate to move upwards, the upward movement of the limiting groove can clamp the limiting groove and the limiting rod, thereby fixing the sealing plate after the upward movement, and the upward movement of the sealing plate can ensure that the, thereby make the inside graduated flask of graduated flask body flow to can control the distance of closing plate rebound and control the speed that liquid flows, this device simple structure can control the speed that flows to the liquid after the measurement is accomplished, thereby avoid the manual work to pour the velocity of flow that liquid made unable even slow control liquid, and the downward movement of rubber ring can drop the liquid area of graduated flask body inner wall to the bottom of graduated flask body, thereby reduce measuring error.

Drawings

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

fig. 2 is a top view of the measuring cylinder body 1 of the present invention.

In the figure: 1. a measuring cylinder body; 2. a rubber ring; 3. a fixed mount; 4. a slide bar; 5. a first spring; 6. a first limiting disc; 7. a pull rod; 8. sealing the shell; 9. a sealing plate; 10. a grip; 11. a limiting groove; 12. a limiting device; 121. a stationary case; 122. a limiting rod; 123. a second spring; 124. a second limiting disc; 125. a disc; 13. and fixing the tube.

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. 1-2, the present invention provides an embodiment:

a liquid metering device comprises a measuring cylinder body 1, wherein a rubber ring 2 is slidably connected inside the measuring cylinder body 1, a fixed frame 3 is fixedly connected onto the rubber ring 2, a sliding rod 4 is fixedly connected to the top end of the fixed frame 3, a first spring 5 is sleeved on the surface of the sliding rod 4, a first limiting disc 6 is fixedly connected onto the surface of the sliding rod 4, a pull rod 7 is fixedly connected onto the top of the sliding rod 4, a sealing shell 8 is fixedly connected onto the bottom of the measuring cylinder body 1, a sealing plate 9 is slidably connected inside the sealing shell 8, a handle 10 is fixedly connected onto the sealing plate 9, a plurality of limiting grooves 11 are formed in the sealing plate 9, when liquid inside the measuring cylinder body 1 needs to be measured, the pull rod 7 is held, the rubber ring 2 at the bottom of the pull rod 7 is placed inside the measuring cylinder body 1, and then the pull rod 7 is pushed downwards, the pull rod 7 moves downwards to drive the sliding rod 4 to move downwards, the sliding rod 4 moves downwards to drive the fixing frame 3 to move downwards, the fixing frame 3 moves downwards to drive the rubber ring 2 to move downwards, the rubber ring 2 moves downwards to drive liquid on the inner wall of the measuring cylinder body 1 to move downwards, and when the measured liquid needs to be poured out, the handle 10 is held by a hand, then the handle 10 is pulled upwards, the handle 10 moves upwards to drive the sealing plate 9 to move upwards, the sealing plate 9 moves upwards to drive the limiting groove 11 on the sealing plate to move upwards, the limiting groove 11 moves upwards to drive the limiting groove 11 to be clamped with the limiting rod 122, thereby fixing the sealing plate 9 after moving upwards, and the sealing plate 9 moving upwards can make the top of the sealing plate 9 not seal the liquid in the measuring cylinder body 1, thereby, the measuring cylinder in the measuring cylinder body 1 flows out, and the distance of the upward movement of the sealing plate 9 can be controlled to control the liquid flowing-out speed.

In this embodiment, a limiting device 12 is fixedly connected to the right side of the measuring cylinder body 1, and the limiting device includes a fixing shell 121.

In this embodiment, a limiting rod 122 is slidably connected inside the fixing shell 121, and a second spring 123 is sleeved on a surface of the limiting rod 122.

In this embodiment, a second limiting plate 124 is fixedly connected to the surface of the limiting rod 122, and a circular plate 125 is fixedly connected to one end of the limiting rod 122.

In this embodiment, one end of the limiting rod 122 is arc-shaped, and one end of the limiting rod 122 is matched with the limiting groove 11.

In this embodiment, a fixing tube 13 is fixedly connected to the sealing housing 8, and one end of the sealing plate 9 penetrates through the bottom of the fixing housing 121 and extends to the top of the sealing housing 121.

The working principle is as follows:

s1 when liquid in the measuring cylinder body 1 needs to be measured, the pull rod 7 is held, the rubber ring 2 at the bottom of the pull rod 7 is placed in the measuring cylinder body 1, then the pull rod 7 is pushed downwards, the pull rod 7 moves downwards to drive the sliding rod 4 to move downwards, the sliding rod 4 moves downwards to drive the fixing frame 3 to move downwards, the fixing frame 3 moves downwards to drive the rubber ring 2 to move downwards, and the rubber ring 2 moves downwards to enable the liquid on the inner wall of the measuring cylinder body 1 to move downwards.

S2, when the measured liquid needs to be poured out, the handle 10 is held by a hand, then the handle 10 is pulled upwards, the handle 10 moves upwards to drive the sealing plate 9 to move upwards, the sealing plate 9 moves upwards to drive the limiting groove 11 on the sealing plate to move upwards, the limiting groove 11 moves upwards to clamp the limiting groove 11 with the limiting rod 122, thereby fixing the sealing plate 9 after moving upwards, and the sealing plate 9 moving upwards can make the top of the sealing plate 9 not seal the liquid in the measuring cylinder body 1, thereby leading the measuring cylinder in the measuring cylinder body 1 to flow out, and controlling the upward moving distance of the sealing plate 9 to control the liquid flowing out speed, the device has simple structure, the liquid after the measurement is finished can be controlled to flow out, so that the phenomenon that the manual work is pouring out the liquid to ensure that the liquid cannot flow uniformly and slowly is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a liquid metering device, includes graduated flask body, its characterized in that: the inside sliding connection of graduated flask body has the rubber ring, fixedly connected with mount on the rubber ring, the top fixedly connected with slide bar of mount, first spring has been cup jointed on the surface of slide bar, the fixed surface of slide bar is connected with first spacing dish, the top fixedly connected with pull rod of slide bar, the bottom fixedly connected with seal shell of graduated flask body, the inside sliding connection of seal shell has the closing plate, fixedly connected with handle on the closing plate, a plurality of spacing grooves have been seted up on the closing plate.

2. A liquid metering device as claimed in claim 1, wherein: the right side fixedly connected with stop device of graduated flask body, stop device includes the set casing.

3. A liquid metering device as claimed in claim 2, wherein: the inside sliding connection of set casing has the gag lever post, the surface of gag lever post has cup jointed the second spring.

4. A liquid metering device as claimed in claim 3, wherein: the surface of the limiting rod is fixedly connected with a second limiting disc, and one end of the limiting rod is fixedly connected with a disc.

5. A liquid metering device as claimed in claim 3, wherein: one end of the limiting rod is in a radian shape, and one end of the limiting rod is matched with the limiting groove.

6. A liquid metering device as claimed in claim 2, wherein: the sealing shell is fixedly connected with a fixed pipe, and one end of the sealing plate penetrates through the bottom of the fixed shell and extends to the top of the sealing shell.