Portable chemical pharmaceutical powder metering device

By using a sliding tube driven by a lead screw and slider and a negative pressure fan design, the problem of powder residue in the powder dispenser is solved, achieving accurate dispensing and portability, and reducing operating costs.

CN224051435UActive Publication Date: 2026-03-27LIAONING INST OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing powder dispensing devices often leave powder residue inside the storage container during use, affecting portability and operating costs.

Method used

The sliding tube is driven by a screw guide rail and a screw slider. Combined with a negative pressure fan and a sealing plate design, it ensures that there is no residue of powder in the guide frame and achieves accurate weight through an electronic weighing instrument.

Benefits of technology

It achieves precise and portable powder dosage, reduces powder residue, improves ease of use, and lowers operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of medicine powder metering, in particular to a portable chemical pharmacy medicine powder metering device which comprises a support assembly. A sliding pipe is driven to move through a lead screw sliding rail and a lead screw sliding block which are movably connected, and the sliding pipe is inserted into a combined pipe or directly falls into a second storage basin, so that a connecting air pipe can drive powder to enter a material guide frame under the action of a negative pressure fan; the weight of the powder is measured by observing the degree of an electronic weighing instrument, meanwhile, through the arrangement of a negative pressure fan, the powder cannot be accumulated in a storage basin to a certain extent, an electric push rod drives a mounting strip to move along a limiting rod, a sealing disc can synchronously move along with the mounting strip, and the sealing disc is prevented from moving along with the mounting strip. The sealing disc can be connected with the first storage basin or the second storage basin, so that the sealing performance of the extraction environment can be ensured to a certain extent when the medicine powder in the storage basins is sucked.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medicine powder quantity field especially, a kind of portable chemical pharmaceutical medicine powder quantifier. BACKGROUND

[0002] In the field of chemical pharmacy, laboratory research and development and small-scale pharmaceutical production, accurate dispensing of medicine powder is the core link to ensure the quality, safety and efficacy of drugs. Traditional medicine powder quantity technology mainly relies on manual weighing or fixed automatic equipment, and in order to be portable, a balance and a measuring spoon are often used to measure the medicine powder.

[0003] However, the existing medicine powder quantifier uses a balance and a measuring spoon to measure the medicine powder during use, which often requires multiple material movements. When the powder is moved, some powder inevitably remains in the storage container. After multiple movements, the remaining powder often causes a certain degree of waste, thereby affecting the convenience of the medicine powder quantifier. UTILITY MODEL CONTENT

[0004] To overcome the problem that the existing medicine powder quantifier often causes some powder to remain in the storage device when using a balance and a measuring spoon to measure the medicine powder, thereby affecting the overall medicine powder quantity process operation cost to some extent.

[0005] The technical solution of the utility model is: a portable chemical pharmaceutical medicine powder quantifier, including support assembly, adjusting assembly connected to support assembly, rotating assembly connected to support assembly, driving assembly movably connected to rotating assembly, moving assembly connected to driving assembly, and lower tube assembly connected to moving assembly.

[0006] The lower tube assembly includes a lead screw slide rail connected to the moving assembly, a lead screw slide block movably connected to the lead screw slide rail, a sliding tube connected to the lead screw slide block, a connecting air pipe connected to the sliding tube, a material guide frame connected to the connecting air pipe, a negative pressure fan connected to the material guide frame, and a medicine outlet slot opened in the material guide frame. The sliding tube is movably connected to the moving assembly.

[0007] As a preferred embodiment, the moving assembly includes a sealing disc movably connected to the sliding tube, a fixed strip connected to the sealing disc, a mounting strip connected to the fixed strip, a limiting rod movably connected to the mounting strip, a rotating strip connected to the limiting rod, and an electric push rod connected to the rotating strip. The electric push rod is connected to the mounting strip.

[0008] As preferred, the driving assembly comprises a second synchronous wheel connected to the rotating strip, a synchronous belt movably connected to the second synchronous wheel, a first synchronous wheel movably connected to the synchronous belt, a servo motor connected to the first synchronous wheel, and a combination frame connected to the servo motor.

[0009] As preferred, the rotating assembly comprises a fixed plate connected to the combination frame, a hydraulic push rod connected to the fixed plate, a combination strip movably connected to the fixed plate, a fixed ring connected to the combination strip, an expansion sleeve movably connected to the fixed ring, an expansion rod movably connected to the expansion sleeve, a fixed disc connected to the expansion rod, a positioning head connected to the fixed disc, and a connecting spring connected between the expansion sleeve and the fixed disc.

[0010] As preferred, the support assembly comprises a connecting strip connected to the fixed disc, a fixed support connected to the connecting strip, an electronic weighing instrument connected to the fixed support, a weighing disc connected to the electronic weighing instrument, a first storage basin connected to the weighing disc, and a connecting frame connected to the first storage basin.

[0011] As preferred, the adjusting assembly comprises a fixed sheet connected to the fixed support, a plurality of positioning rods movably connected to the fixed sheet, a fixed head connected to the positioning rods, a reset spring connected to the fixed head, and a secondary storage assembly connected to the fixed head, the reset spring and the positioning rod are one-to-one corresponding.

[0012] As preferred, the secondary storage assembly comprises a fixed slide rail connected to the fixed head, a first magnetic block connected to the upper and lower ends of the fixed slide rail respectively, a combination tube movably connected to the fixed slide rail, a second magnetic block connected to the combination tube, and a second storage basin connected to the combination tube, the first magnetic block and the second magnetic block are magnetically connected.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1、The utility model discloses a movable connection's screw slide rail and screw block drive sliding tube to move, and through the inside insertion of sliding tube into combination pipe or directly falls in the inside of second storage basin, so that the connection air pipe can be driven under the action of negative pressure fan to make powder enter the inside of guide frame, and then through the observation of the degree of electronic weighing instrument, the quality of powder is weighed, and through the setting of negative pressure fan, the powder can not be accumulated in the inside of first storage basin or second storage basin to a certain extent, and through the electric push rod, the installation strip is driven to move along the limiting rod, so that the sealing disc can move synchronously with the installation strip, the sealing disc can be connected with first storage basin or second storage basin respectively, so that when sucking the medicine powder in the inside of first storage basin or second storage basin, the sealing property of the extraction environment can be guaranteed to a certain extent.

[0015] 2、The utility model discloses through the first magnetic block and the second magnetic block of magnetic connection realizes the limiting of the upper and lower end position of second storage basin on fixed slide rail, also can realize the smooth rotation of second storage basin on fixed slide rail through the setting of combination pipe to realize the adjustment of the use of second storage basin, also can form the second storage of second storage basin when the medicine powder is divided, to improve the use convenience of whole medicine powder divider. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a medicine powder divider's three -dimensional structure schematic diagram is shown.

[0017] Figure 2 The utility model discloses a medicine powder divider's rotating subassembly's three -dimensional structure schematic diagram is shown.

[0018] Figure 3 The utility model discloses a medicine powder divider's adjusting subassembly's three -dimensional structure schematic diagram is shown.

[0019] Figure 4 The utility model discloses a medicine powder divider's drive subassembly's three -dimensional structure schematic diagram is shown.

[0020] The utility model discloses a medicine powder divider's three -dimensional structure schematic diagram is shown. 1, support subassembly 2, adjusting subassembly 3, rotating subassembly 4, drive subassembly 5, moving subassembly 6, lower pipe subassembly 101, fixed support 102, connecting strip 103, electronic weighing instrument 104, weighing disc 105, first storage basin 106, connecting frame 201, fixed head 202, positioning rod 203, reset spring 204, fixed sheet 205, fixed slide rail 206, first magnetic block 207, combination pipe 208, second magnetic block 209, second storage basin 301, fixed disc 302, telescopic rod 303, telescopic sleeve 304, connecting spring 305, positioning head 306, fixed ring 307, combination strip 308, fixed plate 309, hydraulic push rod 401, servo motor 402, first synchronous wheel 403, synchronous belt 404, second synchronous wheel 405 501, rotating strip 502, electric push rod 503, installation strip 504, limiting rod 505, fixed strip 506, sealing disc 601, screw rod slide rail 602, screw rod sliding block 603, sliding tube 604, connecting air pipe 605, material guide frame 606, negative pressure fan 607, medicine outlet groove. DETAILED DESCRIPTION

[0021] The utility model will be further explained below in connection with the drawings and examples.

[0022] A portable chemical pharmaceutical medicine powder divider, according toFigures 1-4 As shown in the drawings, the device comprises a support assembly 1, an adjusting assembly 2 connected to the support assembly 1, a rotating assembly 3 connected to the support assembly 1, a driving assembly 4 movably connected to the rotating assembly 3, a moving assembly 5 connected to the driving assembly 4, and a lower pipe assembly 6 connected to the moving assembly 5.

[0023] The lower pipe assembly 6 comprises a lead screw slide rail 601 connected to the moving assembly 5, a lead screw slide block 602 movably connected to the lead screw slide rail 601, a sliding pipe 603 connected to the lead screw slide block 602, a connecting air pipe 604 connected to the sliding pipe 603, a material guide frame 605 connected to the connecting air pipe 604, a negative pressure fan 606 connected to the material guide frame 605, and a medicine outlet groove 607 formed in the material guide frame 605. The sliding pipe 603 is movably connected to the moving assembly 5.

[0024] According to Figure 2 With Figure 4 As shown in the drawings, the moving assembly 5 comprises a sealing disc 506 movably connected to the sliding pipe 603, a fixed strip 505 connected to the sealing disc 506, a mounting strip 503 connected to the fixed strip 505, a limiting rod 504 movably connected to the mounting strip 503, a rotating strip 501 connected to the limiting rod 504, and an electric push rod 502 connected to the rotating strip 501. The electric push rod 502 is connected to the mounting strip 503.

[0025] It should be noted that the electric push rod 502 drives the mounting strip 503 to move along the limiting rod 504, so that the sealing disc 506 can move synchronously with the mounting strip 503, so that the sealing disc 506 can be connected to the first storage basin 105 or the second storage basin 209, respectively, so that when the medicine powder in the first storage basin 105 or the second storage basin 209 is sucked, the sealing property of the extraction environment can be ensured to a certain extent.

[0026] According to Figure 4 As shown in the drawings, the driving assembly 4 comprises a second synchronous wheel 405 connected to the rotating strip 501, a synchronous belt 404 movably connected to the second synchronous wheel 405, a first synchronous wheel 403 movably connected to the synchronous belt 404, a servo motor 402 connected to the first synchronous wheel 403, and a combination frame 401 connected to the servo motor 402.

[0027] It should be noted that the servo motor 402 drives the first synchronous wheel 403 to rotate, and the rotating first synchronous wheel 403 drives the synchronous belt 404 to rotate, and the rotating synchronous belt 404 drives the second synchronous wheel 405 to rotate, so as to drive the rotating strip 501 to move through the rotating second synchronous wheel 405, so as to adjust the position of the sealing disc 506.

[0028] According toFigure 2 As shown in the figure, the rotating assembly 3 comprises a fixed plate 308 connected to the combined frame 401, a hydraulic push rod 309 connected to the fixed plate 308, a combined strip 307 movably connected to the fixed plate 308, a fixed ring 306 connected to the combined strip 307, an expansion sleeve 303 movably connected to the fixed ring 306, an expansion rod 302 movably connected to the expansion sleeve 303, a fixed disc 301 connected to the expansion rod 302, a positioning head 305 connected to the fixed disc 301, and a connecting spring 304 connected between the expansion sleeve 303 and the fixed disc 301.

[0029] It should be noted that the positioning head 305 is inserted by the hydraulic push rod 309, and the expansion rod 302 is driven to move inside the expansion sleeve 303, at the same time, the connecting spring 304 is forced to deform, and the entire support assembly 1 and the adjusting assembly 2 can be synchronously rotated by rotating the expansion sleeve 303, so that the entire component can prevent the drug powder from remaining inside the first storage basin 105 and the second storage basin 209 when not in use.

[0030] According to Figure 1 And Figure 2 As shown in the figure, the support assembly 1 comprises a connecting strip 102 connected to the fixed disc 301, a fixed support 101 connected to the connecting strip 102, an electronic weighing instrument 103 connected to the fixed support 101, a weighing disc 104 connected to the electronic weighing instrument 103, a first storage basin 105 connected to the weighing disc 104, and a connecting frame 106 connected to the first storage basin 105.

[0031] It should be noted that the electronic weighing instrument 103 is used to weigh the drug powder placed inside the first storage basin 105, so as to facilitate the user to weigh the drug powder, and the first storage basin 105 and the second storage basin 209 can be synchronously weighed by the setting of the connecting frame 106.

[0032] According to Figure 1 As shown in the figure, the adjusting assembly 2 comprises a fixed sheet 204 connected to the fixed support 101, a plurality of positioning rods 202 movably connected to the fixed sheet 204, a fixed head 201 connected to the positioning rods 202, a reset spring 203 connected to the fixed head 201, and a secondary storage assembly connected to the fixed head 201, and the reset spring 203 and the positioning rod 202 are set in one-to-one correspondence.

[0033] It should be noted that the reset spring 203 is set to relieve the pressure applied by the fixed head 201 to the fixed sheet 204, and the positioning rod 202 is set to prevent the fixed head 201 from being deflected during movement.

[0034] According to Figure 1 With Figure 3 As shown in the figure, the sub-storage assembly includes a fixed slide rail 205 connected to the fixed head 201, a first magnetic block 206 connected to the upper and lower ends of the fixed slide rail 205 respectively, a combined pipe 207 movably connected to the fixed slide rail 205, a second magnetic block 208 connected to the combined pipe 207, and a second storage basin 209 connected to the combined pipe 207, and the first magnetic block 206 and the second magnetic block 208 are magnetically connected.

[0035] It should be noted that the first magnetic block 206 and the second magnetic block 208 are magnetically connected to limit the position of the second storage basin 209 on the upper and lower ends of the fixed slide rail 205, and the combined pipe 207 can also be provided to realize the smooth rotation of the second storage basin 209 on the fixed slide rail 205, so as to adjust the use of the second storage basin 209.

[0036] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A portable chemical pharmaceutical powder dispenser characterized by: The application relates to a medicine dispensing device, which comprises a support assembly (1), an adjusting assembly (2) connected to the support assembly (1), a rotating assembly (3) connected to the support assembly (1), a driving assembly (4) movably connected to the rotating assembly (3), a moving assembly (5) connected to the driving assembly (4), and a lower pipe assembly (6) connected to the moving assembly (5). The lower pipe assembly (6) comprises a lead screw sliding rail (601) connected to the moving assembly (5), a lead screw sliding block (602) movably connected to the lead screw sliding rail (601), a sliding pipe (603) connected to the lead screw sliding block (602), a connecting air pipe (604) connected to the sliding pipe (603), a material guide frame (605) connected to the connecting air pipe (604), a negative pressure fan (606) connected to the material guide frame (605), and a medicine outlet groove (607) formed in the material guide frame (605), and the sliding pipe (603) is movably connected to the moving assembly (5).

2. A portable chemical powder dispenser as claimed in claim 1, wherein: The moving assembly (5) comprises a sealing disc (506) movably connected to the sliding pipe (603), a fixed strip (505) connected to the sealing disc (506), a mounting strip (503) connected to the fixed strip (505), a limiting rod (504) movably connected to the mounting strip (503), a rotating strip (501) connected to the limiting rod (504), and an electric push rod (502) connected to the rotating strip (501), and the electric push rod (502) is connected to the mounting strip (503).

3. A portable chemical powder dispenser as claimed in claim 2, wherein: The driving assembly (4) comprises a second synchronous wheel (405) connected to the rotating strip (501), a synchronous belt (404) movably connected to the second synchronous wheel (405), a first synchronous wheel (403) movably connected to the synchronous belt (404), a servo motor (402) connected to the first synchronous wheel (403), and a combination frame (401) connected to the servo motor (402).

4. A portable chemical powder dispenser as claimed in claim 3, wherein: The rotating assembly (3) comprises a fixed plate (308) connected to the combination frame (401), a hydraulic push rod (309) connected to the fixed plate (308), a combination strip (307) movably connected to the fixed plate (308), a fixed ring (306) connected to the combination strip (307), an expansion sleeve (303) movably connected to the fixed ring (306), an expansion rod (302) movably connected to the expansion sleeve (303), a fixed disc (301) connected to the expansion rod (302), a positioning head (305) connected to the fixed disc (301), and a connecting spring (304) connected between the expansion sleeve (303) and the fixed disc (301).

5. A portable chemical powder dispenser as claimed in claim 4, wherein: The support assembly (1) comprises a connecting strip (102) connected to the fixed disc (301), a fixed support (101) connected to the connecting strip (102), an electronic weighing instrument (103) connected to the fixed support (101), a weighing disc (104) connected to the electronic weighing instrument (103), a first storage basin (105) connected to the weighing disc (104), and a connecting frame (106) connected to the first storage basin (105).

6. A portable chemical powder dispenser as claimed in claim 5, wherein: The adjusting assembly (2) comprises a fixed sheet (204) connected to a fixed support (101), a plurality of positioning rods (202) movably connected to the fixed sheet (204), a fixed head (201) connected to the positioning rods (202), a reset spring (203) connected to the fixed head (201), and a sub-storage assembly connected to the fixed head (201), wherein the reset spring (203) and the positioning rods (202) are in one-to-one correspondence.

7. A portable chemical powder dispenser as claimed in claim 6, wherein: The sub-storage assembly comprises a fixed slide rail (205) connected to the fixed head (201), a first magnetic block (206) connected to the upper and lower ends of the fixed slide rail (205) respectively, a combined pipe (207) movably connected to the fixed slide rail (205), a second magnetic block (208) connected to the combined pipe (207), and a second storage basin (209) connected to the combined pipe (207), wherein the first magnetic block (206) and the second magnetic block (208) are magnetically connected.