CN111579017A - A stoichiometric device with precise counting - Google Patents

Abstract

The invention belongs to the technical field of metering devices, in particular to a chemical metering device with precise counting. When measuring chemicals with an existing measuring cylinder, errors are easily caused in the reading due to light refraction on the liquid surface, and residues are easily left when the chemicals are poured. There is a chemical on the inner wall of the measuring cylinder, which causes the problem that the final obtained chemical is smaller than the metered value. The following solution is now proposed, which includes a base, the top of the base is installed with a casing, and the side of the casing is installed with a liquid outlet pipe and a dial, A piston is installed on the side inner wall of the casing, a ring is installed on the top of the casing, a turntable is installed on the top of the ring, and a rotating column is installed at the bottom of the turntable. The setting of the solution and the liquid outlet pipe makes it unnecessary to invert the device when pouring the solution, and the setting of the pointer makes the reading of the metering device clearer, and it is not easy to cause reading errors due to the light refraction of the liquid surface.

Description

A stoichiometric device with precise counting

technical field

The invention relates to the technical field of metering devices, in particular to a chemical metering device with precise counting.

Background technique

In the chemical industry, it is often necessary to use and produce various chemicals. Various chemicals have their own properties. When various chemicals are used together, the proportions of their components often affect the use effect of chemicals. Therefore, chemical When the chemical is used or proportioned, it needs to be strictly measured. When the measurement is not accurate, the chemical often has the problem of insufficient effect or too severe effect.

In the existing metering device, the content of chemicals is often measured through a common measuring cylinder, while when measuring chemicals in a conventional measuring cylinder, there is a glass space between the chemical page and the dial, so when reading The observed page is often refracted by light, so there may be a gap between the actual liquid level and the reading. After the chemical is measured and poured from the measuring cylinder, it is easy to leave a part on the inner wall of the measuring cylinder, which makes the amount of chemicals poured out after measuring. The amount read is smaller than the previous reading, so a new type of metering device is needed to solve these problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem in the prior art that when measuring chemicals with a measuring cylinder, the reading is prone to errors due to light refraction on the liquid surface, and chemicals are likely to remain on the inner wall of the measuring cylinder when the chemicals are poured, thereby causing The disadvantage of the final chemical is less than the metered value, and a stoichiometric device with accurate counting is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions:

A chemical metering device with accurate counting, comprising a base, a casing is fixedly installed on the top of the base, a funnel is arranged on the top of the casing, a liquid outlet pipe and a dial are fixedly installed on the side of the casing, and the side of the casing is fixedly installed. A piston is slidably installed on the inner wall, a ring is fixedly installed on the top of the outer shell, a turntable is rotatably installed on the top of the ring, a ring groove is arranged at the bottom of the turntable, the ring is stuck in the ring groove, and a turntable is fixedly installed on the bottom of the turntable. The rotating column is matched with the piston, the inner wall of the dial is provided with a second chute, a slider is slidably installed on the second chute, a pointer is fixedly installed on the slider, and the pointer is matched with the dial , the dial is thinner, and the pointer is used to point out the scale.

Preferably, the bottom of the piston is provided with a first chute, the second chute is adapted to the slider, and a cavity is opened inside the slider, that is, the slider is a hollow structure, and its interior contains a lot of air.

Preferably, the bottom of the funnel is provided with a second through hole, one end of the connecting column is fixedly mounted on the bottom of the funnel, and the other end of the connecting column is fixedly mounted on the bottom inner wall of the casing.

Preferably, a limit block is fixedly installed on the side of the casing, a plug is slidably installed on the inner wall of the side of the casing, a jack is provided on the top of the liquid outlet pipe, the plug is movably installed in the jack, and the plug is matched with the limit block. , that is, the plug can be moved down into the liquid outlet pipe, and the plug has a protrusion, which can be fixed by the top of the liquid outlet pipe when it slides down to a proper position.

Preferably, a bracket is fixedly installed on the inner wall of the liquid outlet pipe, a fixing rod is fixedly installed on the bracket, a sliding plate is slidably installed on the inner wall of the liquid outlet pipe, and the sliding plate is matched with the fixing rod.

Preferably, a fixing plate is fixedly installed on the inner wall of the liquid outlet pipe, the fixing plate and the sliding plate are both provided with a third through hole, the fixing rod is movably installed in the third through hole on the sliding plate, and the size of the fixing rod is the same as that of the third through hole on the sliding plate. The three through holes are the same.

Preferably, one end of the spring is fixedly installed on the fixing plate, and the other end of the spring is fixedly installed on the slide plate.

Preferably, the piston is provided with a fourth through hole and a fifth through hole, the rotating seat is slidably installed in the fourth through hole, and the connecting column is slidably installed in the fifth through hole.

Preferably, a rotating seat is fixedly installed on the inner wall of the bottom of the casing, the rotating column is rotatably installed in the rotating seat, and the rotating seat is provided with a first through hole, that is, the rotating seat is a hollow tube body, and the inner wall is provided with a first through hole. Through holes, the rotating column is fitted with the inner wall of the rotating seat.

Preferably, a movable rod is fixedly installed in the fourth through hole, a threaded groove is formed on the rotating column, the movable rod is movably installed in the threaded groove, and the movable rod is movably installed in the first through hole.

Compared with the prior art, the beneficial effects of the present invention are:

1. In order to avoid the problem of inaccurate readings when measuring chemicals, a dial and other structures are set up, and a slider is set on the inner wall of the dial. There is a pointer on the slider, and the slider is a hollow structure, which can be It floats on the page of the chemical solution, and the pointer is aligned with the corresponding scale, which can avoid the problem that it is difficult to observe or easily cause reading errors by directly observing the liquid level of the solution.

2. In order to avoid that some of the solution adheres to the inner wall of the casing when the solution is poured, a structure such as a piston is set up. The piston is pressed down to make the solution pour out, and the piston can scrape off the solution attached to the inner wall of the casing, so that the inside of the device can be removed. In the end, only a very small amount of solution remains, avoiding the final metering error caused by the pouring process.

3. In order to make the pouring of chemicals more convenient, structures such as liquid outlet pipes are set up, and structures such as latches are arranged to cooperate with each other, so that the liquid outlet pipes can be opened and closed, so the chemicals can be discharged from the outlet without the inversion device. The liquid tube is poured out.

In the present invention, a piston is arranged on the inner wall of the shell, which can avoid residual solution in the device. The arrangement of the liquid outlet pipe makes it unnecessary to invert the device when pouring the solution. Refraction of light causes reading errors.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a chemical metering device with precise counting proposed by the present invention;

2 is a schematic diagram of the internal structure of a chemical metering device with precise counting proposed by the present invention;

3 is a schematic structural diagram of a structure such as a liquid outlet pipe in a chemical metering device with accurate counting proposed by the present invention;

4 is a schematic structural diagram of structures such as pointers in a chemical metering device with precise counting proposed by the present invention;

FIG. 5 is a schematic three-dimensional structure diagram of a rotary column of a chemical metering device with accurate counting proposed by the present invention;

FIG. 6 is a schematic structural diagram of a structure such as a piston in a chemical metering device with accurate counting proposed by the present invention.

In the picture: 1 base, 2 shell, 3 funnel, 4 liquid outlet pipe, 5 dial, 6 turntable, 7 ring, 8 turn column, 9 turn seat, 10 first through hole, 11 piston, 12 first chute , 13 second chute, 14 slider, 15 cavity, 16 pointer, 17 second through hole, 18 connecting column, 19 limit block, 20 latch, 21 bracket, 22 fixed rod, 23 slide plate, 24 spring, 25 Fixed plate, 26 third through hole, 27 threaded groove, 28 fourth through hole, 29 fifth through hole, 30 movable rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Example 1

1-6, a chemical metering device with accurate counting includes a base 1, a housing 2 is fixedly mounted on the top of the base 1, and a funnel 3 is provided on the top of the housing 2, and the funnel 3 is used to pour the chemical solution into the housing 2. , the side of the casing 2 is fixedly installed with a liquid outlet pipe 4 and a dial 5, the liquid outlet pipe 4 is used for pouring the solution outward, the dial 5 is used for reading, and a piston 11 is slidably installed on the side inner wall of the casing 2, and the piston 11 can be When sliding, the solution on the inner wall of the casing 2 can be scraped off. The top of the casing 2 is fixedly installed with a ring 7, the top of the ring 7 is rotatably installed with a turntable 6, and the bottom of the turntable 6 is provided with an annular groove, and the ring 7 is stuck in the In the annular groove, a rotating column 8 is fixedly installed at the bottom of the turntable 6, and the rotating column 8 cooperates with the piston 11. A second chute 13 is opened on the inner wall of the dial 5, and a slider 14 is slidably installed on the second chute 13. , a pointer 16 is fixedly installed on the slider 14, the pointer 16 is matched with the dial 5, the dial 5 is thinner, and the pointer 16 is used to point out the scale. Compared with observing the liquid level of the solution, the observation pointer 16 is more clear and intuitive.

In this embodiment, the bottom of the piston 11 is provided with a first chute 12 , the second chute 13 is adapted to the slider 14 , and a cavity 15 is opened inside the slider 14 , that is, the slider 14 is a hollow structure. The interior contains a lot of air. When there is a solution in the casing 2, the slider 14 will be buoyant and float up, so that the height of the pointer 16 is basically equal to the liquid level of the solution.

In this embodiment, the bottom of the funnel 3 is provided with a second through hole 17 , one end of the connecting column 18 is fixedly mounted on the bottom of the funnel 3 , and the other end of the connecting column 18 is fixedly mounted on the bottom inner wall of the casing 2 .

In this embodiment, the limit block 19 is fixedly installed on the side of the casing 2, the plug 20 is slidably installed on the side inner wall of the casing 2, the top of the liquid outlet pipe 4 is provided with a jack, the plug 20 is movably installed in the jack, and the plug 20 cooperates with the limit block 19, that is, the plug 20 can enter the liquid outlet pipe 4 by moving down, and the plug 20 has a protrusion, which can be fixed by the top of the liquid outlet pipe 4 when it slides down to an appropriate position.

In this embodiment, a bracket 21 is fixedly installed on the inner wall of the liquid outlet pipe 4 , a fixing rod 22 is fixedly installed on the bracket 21 , a sliding plate 23 is slidably installed on the inner wall of the liquid outlet pipe 4 , and the sliding plate 23 cooperates with the fixing rod 22 .

In this embodiment, a fixing plate 25 is fixedly installed on the inner wall of the liquid outlet pipe 4 , the fixing plate 25 and the sliding plate 23 are both provided with a third through hole 26 , and the fixing rod 22 is movably installed on the third through hole 26 on the sliding plate 23 . Inside, the size of the fixing rod 22 is the same as that of the third through hole 26 .

In this embodiment, one end of the spring 24 is fixedly installed on the fixing plate 25 , and the other end of the spring 24 is fixedly installed on the sliding plate 23 . When the spring 24 is in a natural state, the elastic force will make the sliding plate 23 be in contact with the fixing rod 22 . At this time, the third through hole 26 on the sliding plate 23 will be blocked by the fixing rod 22, so the entire liquid outlet pipe 4 is blocked, and the solution cannot be poured.

In this embodiment, the piston 11 is provided with a fourth through hole 28 and a fifth through hole 29 , the rotating seat 9 is slidably installed in the fourth through hole 28 , and the connecting column 18 is slidably installed in the fifth through hole 29 .

In this embodiment, a rotating seat 9 is fixedly installed on the inner wall of the bottom of the casing 2, the rotating column 8 is rotatably installed in the rotating seat 9, and the rotating seat 9 is provided with a first through hole 10, that is, the rotating seat 9 is a hollow tube body. The inner wall is provided with a first through hole 10 , and the rotating column 8 is attached to the inner wall of the rotating seat 9 .

In this embodiment, a movable rod 30 is fixedly installed in the fourth through hole 28 , a threaded groove 27 is formed on the rotating column 8 , the movable rod 30 is movably installed in the threaded groove 27 , and the movable rod 30 is movably installed in the first through hole within 10.

Embodiment 2

1-6, a chemical metering device with accurate counting, comprising a base 1, the top of the base 1 is welded with a housing 2, the top of the housing 2 is provided with a funnel 3, and the funnel 3 is used to pour a chemical solution into the housing 2, The side of the casing 2 is welded with a liquid outlet pipe 4 and a dial 5. The liquid outlet pipe 4 is used for pouring the solution outward, and the dial 5 is used for reading. A piston 11 is slidably installed on the inner wall of the side of the casing 2, and the piston 11 can slide down. When the solution on the inner wall of the outer shell 2 can be scraped off, the top of the outer shell 2 is welded with a circular ring 7, the top of the circular ring 7 is rotated and installed with a turntable 6, the bottom of the turntable 6 is provided with an annular groove, and the circular ring 7 is stuck in the annular groove. , the bottom of the dial 6 is welded with a rotary column 8, the rotary column 8 is matched with the piston 11, the inner wall of the dial 5 is provided with a second chute 13, and a slider 14 is slidably installed on the second chute 13, and the slider 14 A pointer 16 is welded on it. The pointer 16 is matched with the dial 5. The dial 5 is relatively thin.

In this embodiment, the bottom of the piston 11 is provided with a first chute 12 , the second chute 13 is adapted to the slider 14 , and a cavity 15 is opened inside the slider 14 , that is, the slider 14 is a hollow structure. The interior contains a lot of air. When there is a solution in the casing 2, the slider 14 will be buoyant and float up, so that the height of the pointer 16 is basically equal to the liquid level of the solution.

In this embodiment, the bottom of the funnel 3 is provided with a second through hole 17 , one end of the connecting post 18 is welded to the bottom of the funnel 3 , and the other end of the connecting post 18 is welded to the bottom inner wall of the housing 2 .

In this embodiment, a limit block 19 is welded on the side of the casing 2, a plug 20 is slidably installed on the inner wall of the side of the casing 2, a socket is provided on the top of the liquid outlet pipe 4, and the plug 20 is movably installed in the socket, and the plug 20 In cooperation with the limit block 19, that is, the plug 20 can enter the liquid outlet pipe 4 by moving down. The plug 20 has a protrusion, which can be fixed by the top of the liquid outlet pipe 4 when it slides down to a proper position. In the lowest position, the bottom end is located inside the liquid outlet pipe 4, and the slide plate 23 is held against it, and the slide plate 23 cannot be moved due to the pressure of the solution. At this time, the liquid outlet pipe 4 is always blocked, and the solution cannot be poured. When the latch 20 is moved so that the slide plate 23 can move, the solution can be poured from the liquid outlet pipe 4 .

In this embodiment, a bracket 21 is welded on the inner wall of the liquid outlet pipe 4 , a fixing rod 22 is welded on the bracket 21 , a sliding plate 23 is slidably installed on the inner wall of the liquid outlet pipe 4 , and the sliding plate 23 cooperates with the fixing rod 22 .

In this embodiment, a fixing plate 25 is welded on the inner wall of the liquid outlet pipe 4 , the fixing plate 25 and the sliding plate 23 are both provided with a third through hole 26 , and the fixing rod 22 is movably installed in the third through hole 26 on the sliding plate 23 . , the size of the fixing rod 22 is the same as that of the third through hole 26 .

In this embodiment, one end of the spring 24 is welded on the fixing plate 25, and the other end of the spring 24 is welded on the sliding plate 23. When the spring 24 is in a natural state, the elastic force will make the sliding plate 23 be in contact with the fixing rod 22. When the third through hole 26 on the sliding plate 23 is blocked by the fixing rod 22, the entire liquid outlet pipe 4 is blocked and the solution cannot be poured.

In this embodiment, the piston 11 is provided with a fourth through hole 28 and a fifth through hole 29 , the rotating seat 9 is slidably installed in the fourth through hole 28 , and the connecting column 18 is slidably installed in the fifth through hole 29 .

In this embodiment, a rotating seat 9 is welded on the bottom inner wall of the casing 2, the rotating column 8 is rotatably installed in the rotating seat 9, and the rotating seat 9 is provided with a first through hole 10, that is, the rotating seat 9 is a hollow tube body, and The inner wall is provided with a first through hole 10 , and the rotating column 8 is fitted with the inner wall of the rotating seat 9 .

In this embodiment, a movable rod 30 is welded in the fourth through hole 28 , a threaded groove 27 is formed on the rotating column 8 , the movable rod 30 is movably installed in the threaded groove 27 , and the movable rod 30 is movably installed in the first through hole 10 Inside.

In the present invention, the chemical solution is poured into the device, that is, the casing 2, through the funnel 3, and the liquid level of the solution rises continuously, so that the slider 14 is floated up by the buoyancy force, and at the same time drives the pointer 16 to move up, and the final height of the liquid level is basically the same as The position of the pointer 16 is the same. Since the chemical solution itself has different colors and the solution is easy to reflect light, the observation of the pointer 16 in conjunction with the observation of the liquid level can make the reading more clear and accurate. Move the plug 20 and fix the plug 20 by the limit block 19. At this time, the sliding plate 23 is not restricted by the plug 20 and can slide. The liquid outlet pipe 4 can circulate the solution, and the turntable 6 is rotated. There is a threaded groove 27 on the column 8, and a first through hole 10 is opened on the rotating seat 9. There is an overlapped part between the threaded groove 27 and the first through hole 10, and the movable rod 30 is movable in the threaded groove 27 and simultaneously movable. In the first through hole 10, when the rotating column 8 rotates, it will drive the movable rod 30 to move down, thereby driving the piston 11 to slide down, and the piston 11 slides down, so that the pressure in the housing 2 becomes larger, and the solution is squeezed. The pressure becomes larger, so that the sliding plate 23 slides. When the sliding plate 23 slides, the fixing rod 22 leaves the third through hole 26 on the sliding plate 23, and the solution flows out through the third through hole 26, and the turntable 6 is continuously rotated, so that all the solution can be squeezed out, and no solution remains on the inner wall of the shell 2, only a very small part of the solution remains in the liquid outlet pipe 4, but compared with the large area of the inner wall of the shell 2, its influence on the solution metering reading can be ignored, and During the sliding process of the piston 11, the slider 14 will be embedded in the first chute 12 at the bottom of the piston 11, and the two form a whole. The bottom of the whole is smooth, so that the piston 11 can smoothly slide to the bottom of the casing 2. When the solution is poured After completion, the spring 24 drives the slide plate 23 to reset, and then moves the latch 20 downward, so that the latch 20 limits the slide plate 23, and then rotates the turntable 6 to reset the piston 11.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (10)

1. A chemical metering device with precise counting, comprising a base (1), a casing (2) is fixedly installed on the top of the base (1), and characterized in that the top of the casing (2) is provided with a funnel ( 3), a liquid outlet pipe (4) and a dial (5) are fixedly installed on the side of the casing (2), a piston (11) is slidably installed on the inner wall of the side of the casing (2), and the top of the casing (2) is fixed A ring (7) is installed, the top of the ring (7) is rotatably installed with a turntable (6), and the bottom of the turntable (6) is fixedly installed with a rotating column (8), the rotating column (8) and the piston ( 11) Matching, the inner wall of the dial (5) is provided with a second chute (13), a slider (14) is slidably installed on the second chute (13), and the slider (14) is fixedly installed There is a pointer (16), and the pointer (16) is matched with the dial (5). 2. A chemical metering device with accurate counting according to claim 1, characterized in that, the bottom of the piston (11) is provided with a first chute (12), a second chute (13) and the sliding The block (14) is adapted, and a cavity (15) is opened inside the slider (14). 3. A chemical metering device with accurate counting according to claim 1, wherein the bottom of the funnel (3) is provided with a second through hole (17), and the bottom of the funnel (3) is fixedly installed with a second through hole (17). One end of the connecting column (18) and the other end of the connecting column (18) are fixedly mounted on the bottom inner wall of the housing (2). 4. A chemical metering device with accurate counting according to claim 1, characterized in that a limit block (19) is fixedly installed on the side of the casing (2), and a side inner wall of the casing (2) is slidably installed A plug (20) is provided, an insertion hole is provided on the top of the liquid outlet pipe (4), the plug (20) is movably installed in the insertion hole, and the plug (20) is matched with the limit block (19). 5. A chemical metering device with accurate counting according to claim 1, wherein a bracket (21) is fixedly installed on the inner wall of the liquid outlet pipe (4), and a bracket (21) is fixedly installed on the inner wall. A fixed rod (22), a sliding plate (23) is slidably installed on the inner wall of the liquid outlet pipe (4), and the sliding plate (23) is matched with the fixed rod (22). 6. A chemical metering device with accurate counting according to claim 1, wherein a fixing plate (25) is fixedly installed on the inner wall of the liquid outlet pipe (4), the fixing plate (25) and the sliding plate (23) are provided with third through holes (26), and the fixing rods (22) are movably installed in the third through holes (26) on the slide plate (23). 7. A chemical metering device with accurate counting according to claim 6, wherein one end of the spring (24) is fixedly installed on the fixing plate (25), and the other end of the spring (24) is fixedly installed on the skateboard (23). 8. A chemical metering device with accurate counting according to claim 1, wherein the piston (11) is provided with a fourth through hole (28) and a fifth through hole (29), and the rotating seat is provided with a fourth through hole (28) and a fifth through hole (29). (9) is slidably installed in the fourth through hole (28), and the connecting column (18) is slidably installed in the fifth through hole (29). 9. A chemical metering device with accurate counting according to claim 1, characterized in that a rotating seat (9) is fixedly installed on the bottom inner wall of the casing (2), and the rotating column (8) is rotatably installed on the Inside the rotating seat (9), the rotating seat (9) is provided with a first through hole (10). 10. A chemical metering device with accurate counting according to claim 8, wherein a movable rod (30) is fixedly installed in the fourth through hole (28), and a rotating column (8) is provided with a A threaded groove (27), the movable rod (30) is movably installed in the threaded groove (27), and the movable rod (30) is movably installed in the first through hole (10).

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