Raw material dropwise adding device for preparing L-serine methyl ester hydrochloride

Abstract

The utility model provides a raw material dripping device for preparing L-serine methyl ester hydrochloride, which comprises a first shell, a dripping mechanism is arranged in the first shell, a storage box is arranged on one side of the upper part of the first shell, the dripping mechanism comprises a cylindrical second shell, a first ball bead is arranged on the lower part of the second shell, and a second ball bead is arranged on the lower part of the second shell. A first ball bead is arranged in the second shell, a first spring is arranged at the upper end of the first ball bead, the first ball bead, the first spring and the baffle achieve one-way communication of the lower portion of the second shell, a piston is arranged in the second shell in a sliding mode, the piston is arranged in a vertically-through mode, a second ball bead is arranged in the piston, and a liquid outlet is formed in the side wall of the piston. A push-pull rod is fixedly connected to the middle of the upper end of the piston, a second spring is arranged between the second ball bead and the push-pull rod, and an electromagnet is fixedly connected to the upper end of the push-pull rod. According to the invention, high-precision quantitative dropwise adding can be carried out, and the problem of raw material dissipation during filling is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of delivery devices, and particularly to a raw material dropping device for preparing L-serine methyl ester hydrochloride. Background Art

[0002] L-serine methyl ester hydrochloride is used in biochemical reagents and pharmaceutical intermediates, and is usually produced using thionyl chloride as a raw material. Thionyl chloride, also known as sulfuryl chloride, is an inorganic compound with the chemical formula SOCl2. It is a colorless or yellowish liquid with an odor and a strong pungent smell. It is miscible with solvents such as benzene, chloroform, and carbon tetrachloride, hydrolyzes in the presence of water, and decomposes when heated.

[0003] Due to the poor stability and toxic effects of thionyl chloride, it is mostly added dropwise during use. However, how to ensure high-precision anti-leakage of thionyl chloride during dropping is a problem. Summary of the Invention

[0004] To solve the above problems, the present invention discloses a raw material dropping device for preparing L-serine methyl ester hydrochloride, which includes a first housing. A dropping mechanism is arranged inside the first housing. On one side of the upper part of the first housing, there is a storage tank, and the storage tank and the first housing form a cuboid. Overall, the device has high aesthetics.

[0005] The dropping mechanism includes a cylindrical second housing. The lower end of the second housing is fixedly connected to a connecting pipe, and the other end of the connecting pipe communicates with the storage tank. A liquid outlet pipe is fixedly connected to the upper side wall of the second housing. That is, the connecting pipe introduces the raw material into the second housing, and the liquid outlet pipe sends out the raw material in the second housing.

[0006] A first ball bead is arranged at the lower part of the second housing. A first spring is arranged at the upper end of the first ball bead, and a baffle is arranged at the upper end of the first spring. A through hole is arranged at the upper end of the baffle. The first ball bead, the first spring, and the baffle realize one-way conduction at the lower part of the second housing. A piston is slidably arranged inside the second housing. The piston is provided with a through hole up and down, and a second ball bead is arranged inside. A liquid outlet is arranged on the side wall of the piston. The liquid outlet communicates with the inside of the piston and is located above the second ball bead. The middle part of the upper end of the piston is fixedly connected to a push rod. A second spring is arranged between the second ball bead and the push rod, and an electromagnet is fixedly connected to the upper end of the push rod. That is, the first ball bead and the second ball bead respectively form one-way valves. When the piston moves downward, the lower one-way valve closes and the upper one-way valve opens, and the raw material enters above the piston. When the piston moves upward, the lower one-way valve opens and the upper one-way valve closes. At this time, the raw material in the storage tank enters below the piston, and at the same time, the material above the piston enters the liquid outlet pipe.

[0007] Preferably, the electromagnet includes a third shell, the inner wall of which is fixedly connected with a plurality of equally spaced coils, the inner side of the coil is interspersed with an output end, and the end of the output end is fixedly connected with a plurality of equally spaced magnets, and the other end of the output end is fixedly connected with the end of the push-pull rod. Multiple coils and magnets can control the direction of the coils being energized, and the extension or retraction length of the output end can be controlled, thereby controlling the stroke of the piston and adjusting the pumping volume of a single material.

[0008] Preferably, a button is disposed at the upper end of the first shell, a foot pad is disposed at the bottom of the first shell, and a display screen is disposed on the upper side wall of the first shell.

[0009] Preferably, a filling port is fixedly connected to one side of the upper end of the material storage box, and the filling port includes a pipe sleeve, and a sealing cap is threadedly connected to the upper inner wall of the pipe sleeve. The sealing cap is turned to open, and raw materials can be injected into the pipe sleeve.

[0010] Preferably, the lower side wall of the sleeve is provided with an opening, the middle inner wall of the sleeve is fixedly connected with a convex ring, a third spring is provided inside the sleeve, the upper end of the third spring abuts against the cover plate, and the upper part of the cover plate abuts against the convex ring. Under the action of the third spring and the cover plate, the sleeve remains in a truncated state to prevent the material from being dispersed in the air and causing pollution. When the cover plate is pressed downward and the third spring is compressed, the sleeve can be opened to add raw materials.

[0011] The beneficial effects of the present invention are as follows:

[0012] 1. A second shell is provided, a first ball and a first spring are provided at the bottom of the second shell, a piston is provided inside the second shell, and a second ball and a second spring are provided inside the piston. Under the maintenance of the first spring and the second spring, leakage is reduced, and the accuracy of the piston action pumping amount is higher. Furthermore, an electromagnet is provided, and a plurality of coils and a plurality of magnets are provided inside the electromagnet. By controlling the energization of each coil, the frequency and distance of the reciprocating sliding of the piston can be controlled to meet the requirements of the dripping amount in different scenarios.

[0013] 2. A filling port is provided, and a cover plate and a third spring are provided in the filling port to keep the filling port closed, which greatly reduces the escape of raw materials during the filling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0015] Figure 2 A filling port device of the present invention;

[0016] Figure 3 It is an explosion schematic diagram of the dripping mechanism of the present invention;

[0017] Figure 4 This is a cross-sectional schematic view of the dropping mechanism of the present invention.

[0018] List of reference numerals:

[0019] 1. Liquid outlet pipe; 2. First housing; 3. Storage tank; 4. Filling port; 5. Second housing; 6. Connecting pipe; 7. First ball bead; 8. First spring; 9. Baffle; 10. Second ball bead; 11. Second spring; 12. Piston; 13. Liquid outlet; 14. Push-pull rod; 15. Third housing; 16. Coil; 17. Magnet;

[0020] 41. Opening; 42. Pipe sleeve; 43. Convex ring; 44. Third spring; 45. Cover plate; 46. Sealing cover. Detailed implementation manners

[0021] The present invention will be further clarified below in conjunction with the drawings and specific implementation manners. It should be understood that the following specific implementation manners are only used to illustrate the present invention and not to limit the scope of the present invention. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component respectively.

[0022] As Figures 1 to 4 shown, a raw material dropping device for preparing L-serine methyl ester hydrochloride includes a first housing 2. The first housing 2 is in an "L" shape. A dropping mechanism is provided inside the first housing 2. A storage tank 3 is provided on one side of the upper part of the first housing 2. The storage tank 3 and the first housing 2 form a cuboid, greatly improving the overall aesthetics of the device.

[0023] The dropping mechanism includes a cylindrical second housing 5. The lower end of the second housing 5 is fixedly connected to a connecting pipe 6. The other end of the connecting pipe 6 communicates with the storage tank 3. That is, the raw material in the storage tank 3 is sent into the second housing 5 through the connecting pipe 6. A liquid outlet pipe 1 is fixedly connected to the upper side wall of the second housing 5. The raw material in the second housing 5 is sent out through the liquid outlet pipe 1.

[0024] A first ball bead 7 is provided at the lower part of the second housing 5. The first ball bead 7 cooperates with the inner wall of the second housing 5 to block the channel at the lower part of the second housing 5. A first spring 8 is provided at the upper end of the first ball bead 7. A baffle 9 is provided at the upper end of the first spring 8. At the same time, the first spring 8 and the baffle 9 are used to limit the first ball bead 7 at the lower part of the second housing 5 to maintain the blocked state. A through hole is provided at the upper end of the baffle 9. The first ball bead 7, the first spring 8 and the baffle 9 realize the one-way conduction at the lower part of the second housing 5. Therefore, the first ball bead 7 serves as a one-way valve at the lower part of the second housing 5.

[0025] A piston 12 is slidably disposed inside the second housing 5. The piston 12 is provided with a through hole vertically, and a second ball 10 is disposed inside. Similar to the function of the first ball 7, it blocks the channel inside the piston 12 and forms a one-way valve. A liquid outlet 13 is provided on the side wall of the piston 12. The liquid outlet 13 is communicated with the inside of the piston 12 and is located above the second ball 10. A push rod 14 is fixedly connected to the middle of the upper end of the piston 12. A second spring 11 is disposed between the second ball 10 and the push rod 14. The upper end of the push rod 14 is fixedly connected to an electromagnet. When the electromagnet operates, the piston 12 can be slid by means of the push rod 14.

[0026] Further, the first spring 8 and the second spring 11 are used to maintain the positions of the first ball 7 and the second ball 10, so as to ensure the one-way sealing performance and ensure the accuracy of the pumping.

[0027] When the piston 12 moves downward, the lower one-way valve closes and the upper one-way valve opens. At this time, the raw material located in the piston 12 enters the upper part of the piston 12. When the piston 12 moves upward, the lower one-way valve opens and the upper one-way valve closes. At this time, the raw material in the storage tank 3 is sucked into the lower part of the piston 12 through the connecting pipe 6, and the material above the piston 12 is sent into the liquid outlet pipe 1, realizing the dropping operation of the raw material.

[0028] The electromagnet includes a third housing 15, which is also of a cylindrical structure. A plurality of equally spaced coils 16 are fixedly connected to the inner wall of the third housing 15. An output end is inserted inside the coil 16, and a plurality of equally spaced magnets 17 are fixedly connected to the end of the output end. The other end of the output end is fixedly connected to the end of the push rod 14. By controlling the energization sequence, energization direction, energization magnitude and energization frequency of each coil 16, and cooperating with a plurality of magnets 17, the stroke of the output end can be controlled, and then the movement of the piston 12 can be controlled to control the dropping speed of the raw material.

[0029] A key is provided at the upper end of the first housing 2 for thermal machine interaction. A foot pad is provided at the bottom of the first housing 2 for supporting the device. A display screen is provided on the upper side wall of the first housing 2 for displaying relevant parameters, such as the dropping speed and the storage amount in the storage tank 3.

[0030] A filling port 4 is fixedly connected to one side of the upper end of the storage tank 3 for supplementing raw materials. The filling port 4 includes a pipe sleeve 42. A sealing cover 46 is threadedly connected to the upper inner wall of the pipe sleeve 42. Rotating and opening the sealing cover 46 is for filling raw materials.

[0031] The lower side wall of the sleeve 42 is provided with an opening 41. The middle inner wall of the sleeve 42 is fixedly connected with a convex ring 43. A third spring 44 is arranged inside the sleeve 42. The upper end of the third spring 44 abuts against the cover plate 45, and the upper part of the cover plate 45 abuts against the convex ring 43. In addition, a sealing ring is arranged between the cover plate 45 and the convex ring 43. At the same time, under the action of the third spring 44, the sleeve 42 is in a closed state, avoiding the raw materials from escaping into the air after the sealing cover 46 is opened and avoiding air pollution. When filling is required, the cover plate 45 is pressed downward to open the sleeve 42.

[0032] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above embodiments, but also include the technical solutions composed of any combination of the above technical features.

Claims

1. A raw material dropping device for preparing L-serine methyl ester hydrochloride, characterized in that, It includes a first housing (2), inside which a dropping mechanism is provided. On one side of the upper part of the first housing (2), a storage tank (3) is provided, and the storage tank (3) and the first housing (2) form a cuboid. The dropping mechanism includes a cylindrical second housing (5). At the lower end of the second housing (5), a connecting pipe (6) is fixedly connected. The other end of the connecting pipe (6) communicates with the storage tank (3). On the upper side wall of the second housing (5), a liquid outlet pipe (1) is fixedly connected. At the lower part of the second housing (5), a first ball bead (7) is provided. At the upper end of the first ball bead (7), a first spring (8) is provided. At the upper end of the first spring (8), a baffle (9) is provided, and a through hole is provided at the upper end of the baffle (9). The first ball bead (7), the first spring (8) and the baffle (9) achieve one-way conduction at the lower part of the second housing (5). Inside the second housing (5), a piston (12) is slidably provided. The piston (12) is provided with a through hole up and down, and a second ball bead (10) is provided inside. On the side wall of the piston (12), a liquid outlet (13) is provided. The liquid outlet (13) communicates with the inside of the piston (12) and is located above the second ball bead (10). In the middle of the upper end of the piston (12), a push-pull rod (14) is fixedly connected. Between the second ball bead (10) and the push-pull rod (14), a second spring (11) is provided. At the upper end of the push-pull rod (14), an electromagnet is fixedly connected.

2. The raw material dropping device for preparing L-serine methyl ester hydrochloride according to claim 1, wherein: The electromagnet includes a third housing (15). On the inner wall of the third housing (15), a number of equally spaced coils (16) are fixedly connected. Inside the coils (16), an output end is inserted, and at the end of the output end, a number of equally spaced magnets (17) are fixedly connected. The other end of the output end is fixedly connected to the end of the push-pull rod (14).

3. The raw material dropping device for preparing L-serine methyl ester hydrochloride according to claim 1, wherein: At the upper end of the first housing (2), a key is provided. At the bottom of the first housing (2), a foot pad is provided. On the upper side wall of the first housing (2), a display screen is provided.

4. The raw material dropping device for preparing L-serine methyl ester hydrochloride according to claim 1, wherein: On one side of the upper end of the storage tank (3), a filling port (4) is fixedly connected. The filling port (4) includes a pipe sleeve (42). On the upper inner wall of the pipe sleeve (42), a sealing cover (46) is threadedly connected.

5. The raw material dropping device for preparing L-serine methyl ester hydrochloride according to claim 4, characterized in that: On the lower side wall of the pipe sleeve (42), an opening (41) is provided. On the middle inner wall of the pipe sleeve (42), a convex ring (43) is fixedly connected. Inside the pipe sleeve (42), a third spring (44) is provided. The upper end of the third spring (44) abuts against a cover plate (45), and the upper part of the cover plate (45) abuts against the convex ring (43).

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