Laboratory continuous air supply system

Abstract

The utility model relates to the field, in particular to a continuous air supply system for a laboratory. During use, a second stepping motor drives a second driving meshing tooth to rotate, the second driving meshing tooth drives a driven tooth to rotate synchronously in a meshing mode, the driven tooth drives an eccentric cone pulley on a shaft rod to move horizontally through an insection meshing tooth ring, and at the moment, a cone block slides along the outer contour of the eccentric cone pulley; and the conical block drives the sealing top block at the upper end of the connecting seat to ascend and descend in the sliding groove opening, the flow of the fluid extracted by the fan is adjusted, and the use efficiency and applicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the field of laboratory equipment and technology, in particular to a laboratory continuous gas supply system. Background Art

[0002] Laboratory gas supply system, also known as laboratory centralized gas supply system or laboratory central gas supply system, is a gas supply method designed specifically for laboratories. Laboratory gas supply system is a complex and sophisticated system. Its design and operation need to fully consider the specific needs and safety regulations of the laboratory to ensure a stable and reliable gas supply for scientific researchers.

[0003] The air supply system currently used in the market is a direct blower air intake, which cannot be adjusted for the air intake required by the staff in the laboratory and has a single adaptability. Therefore, those skilled in the art provide a laboratory continuous air supply system to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a laboratory continuous gas supply system, including a frame plate seat, a gas supply pipeline is fixedly installed on the upper end of the frame plate seat, a sliding slot is opened on the left side of the lower end of the gas supply pipeline, a freely slidable sealing top block is arranged in the sliding slot, and an adjusting component is fixedly installed at the lower end of the frame plate seat, and the sealing top block is driven to rise and fall in the sliding slot by the adjusting component, so as to adjust the flow rate of the gas supply pipeline into the laboratory;

[0005] The adjusting assembly comprises a fixed frame plate, a limiting telescopic rod, a long gear, a mounting plate one, a stepper motor one, a driving gear one, a mounting plate two, a stepper motor two, a driving gear two, a shaft rod, a gear ring, a positioning plate seat, a driven gear, an eccentric cone wheel, a cone block and a connecting seat. The fixed frame plates are symmetrically fixedly installed on the left and right sides of the lower end of the frame plate seat, a shaft rod is fixedly installed on the left end of the long gear, a gear ring is fixedly installed on the middle part of the shaft rod, a mounting plate two and a positioning plate seat are fixedly installed on the middle part of the lower end of the frame plate seat, a stepper motor two is fixedly installed on the lower end of the mounting plate two, a driving gear two is fixedly installed on the front end output shaft of the stepper motor two, a driven gear is movably installed on the lower end of the positioning plate seat, the driven gear is meshed with the driving gear two, the driving gear two is meshed and rotated with the gear ring, and an eccentric cone wheel is installed on the left side of the shaft rod.

[0006] Preferably, a fan is provided in the middle of the air supply pipeline to rotate under load and perform air suction for the air supply pipeline.

[0007] Preferably: a limited telescopic rod is fixedly installed on the left end of the fixed frame plate on the right side, and a long gear is provided on the limited telescopic rod's left rod head.

[0008] Preferably: a mounting plate 1 is fixedly installed in the middle of the left end surface of the fixing frame plate on the right side, a stepping motor 1 is fixedly installed at a lower end of the mounting plate, a driving tooth 1 is installed on the output shaft of the stepping motor 1, and the driving tooth 1 meshes and rotates with the long gear.

[0009] Preferably, the sealing top block is fixedly connected with a connecting seat.

[0010] Preferably: the connecting seat is fixedly connected to the cone block through the frame plate seat, and the eccentric cone wheel is used to support the cone block, so that the cone block drives the sealing top block at the upper end of the connecting seat to move up and down according to the change of the eccentric distance between the outer contour of the top of the cone block and the shaft rod.

[0011] Technical effects and advantages of the utility model:

[0012] 1. When the utility model is used, the second driving gear is driven to rotate by the second stepping motor, and the second driving gear is engaged to drive the driven gear to rotate synchronously. The driven gear drives the eccentric cone wheel on the shaft rod to move horizontally through the tooth pattern engagement gear ring. At this time, the cone block slides along the outer contour of the eccentric cone wheel, and the cone block drives the sealing top block at the upper end of the connecting seat to rise and fall in the sliding groove, so as to adjust the flow rate of the fluid drawn into the fan.

[0013] 2. When the utility model is used, the driving meshing tooth 1 is driven to rotate by the stepping motor 1, and the driving meshing tooth 1 is meshed and rotated with the long gear, so that the eccentricity between the upper outer contour of the eccentric cone wheel and the axis of the shaft changes, and the sealing top block at the upper end of the connecting seat is driven by the cone block to rise and fall in the sliding groove for fine adjustment, so as to further adjust the flow accuracy of the fluid drawn in by the fan, ensure the efficiency of the air supply and the control demand for the air intake in the laboratory. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure provided by this application;

[0015] Figure 2 It is a schematic diagram of the structure provided by this application;

[0016] Figure 3 It is a schematic diagram of the structure provided by this application;

[0017] In the figure: 1, frame base; 2, air supply pipe; 3, fan; 4, sealing top block; 5, adjustment component; 6, sliding notch;

[0018] 51. Fixed frame plate; 52. Limit telescopic rod; 53. Long gear; 54. Mounting plate 1; 55. Stepper motor 1; 56. Driving gear 1; 57. Mounting plate 2; 58. Stepper motor 2; 59. Driving gear 2; 510. Shaft; 511. Gear ring; 512. Positioning plate seat; 513. Driven gear; 514. Eccentric cone wheel; 515. Cone block; 516. Connecting seat. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0020] See also Figures 1 to 3 In this embodiment, a laboratory continuous air supply system is provided, including a frame plate seat 1, an air supply pipeline 2 is fixedly installed on the upper end of the frame plate seat 1, a fan 3 is arranged in the middle of the air supply pipeline 2 for load rotation, and air is sucked for the air supply pipeline 2, a sliding slot 6 is opened on the left side of the lower end of the air supply pipeline 2, and a freely slidable sealing top block 4 is arranged in the sliding slot 6, and an adjusting component 5 is fixedly installed at the lower end of the frame plate seat 1, and the sealing top block 4 is driven to rise and fall in the sliding slot 6 by the adjusting component 5, so as to adjust the flow rate of air from the air supply pipeline 2 into the laboratory;

[0021] The adjusting assembly 5 comprises a fixed frame plate 51, a limited telescopic rod 52, a long gear 53, a mounting plate 1 54, a stepping motor 1 55, a driving gear 1 56, a mounting plate 2 57, a stepping motor 2 58, a driving gear 2 59, a shaft rod 510, a gear ring 511, a positioning plate seat 512, a driven gear 513, an eccentric cone wheel 514, a cone block 515 and a connecting seat 516. The fixed frame plate 51 is symmetrically fixedly installed on the left and right sides of the lower end of the frame plate seat 1. The limited telescopic rod 52 is fixedly installed on the left end of the fixed frame plate 51 on the right side. The upper limit sleeve of the left rod head of the limited telescopic rod 52 is provided with a long gear 53. The left end of the long gear 53 is fixedly installed with a shaft rod 510. The mounting plate 1 54 is fixedly installed on the middle part of the left end surface of the fixed frame plate 51 on the right side. The stepping motor 1 55 is fixedly installed on the lower end of the mounting plate 1 54. The driving gear 1 56 is installed on the output shaft of the stepping motor 1 55. The driving gear 1 56 meshes with the long gear 53. The gear ring 511 is fixedly installed in the middle of the shaft rod 510, and the middle of the lower end of the frame plate seat 1 is fixedly installed with a mounting plate 2 57 and a positioning plate seat 512. The lower end of the mounting plate 2 57 is fixedly installed with a stepper motor 2 58, and the front end output shaft of the stepper motor 2 58 is fixedly installed with a driving gear 2 59. The lower end of the positioning plate seat 512 is movably installed with a driven gear 513. The driven gear 513 is meshed with the driving gear 2 59, and the driving gear 2 59 is meshed and rotated with the gear ring 511. An eccentric cone wheel 514 is installed on the left side of the shaft rod 510, and the sealing top block 4 is fixedly connected with a connecting seat 516, and the connecting seat 516 passes through the frame plate seat 1 and is fixedly connected with the cone block 515. The eccentric cone wheel 514 is used to support the cone block 515, so that according to the change of the eccentric distance between the outer contour of the top of the cone block 515 and the shaft rod 510, the cone block 515 drives the sealing top block 4 at the upper end of the connecting seat 516 to move up and down.

[0022] The working principle of the utility model is:

[0023] When the utility model is used, the stepper motor 58 drives the driving gear 59 to rotate, and the driving gear 59 meshes and drives the driven gear 513 to rotate synchronously. The driven gear 513 drives the eccentric cone wheel 514 on the shaft 510 to move horizontally through the tooth pattern meshing gear ring 511. At this time, the cone block 515 slides along the outer contour of the eccentric cone wheel 514, and the cone block 515 drives the sealing top block 4 at the upper end of the connecting seat 516 to rise and fall in the sliding groove 6, so as to adjust the fluid drawn into the fan 3. The flow rate is adjusted; secondly, the driving gear 56 is driven to rotate by the stepper motor 55, and the driving gear 56 is engaged and rotated with the long gear 53, so that the eccentricity between the upper outer contour of the eccentric cone wheel 514 and the axis of the shaft rod 510 changes, and the sealing top block 4 at the upper end of the connecting seat 516 is driven by the cone block 515 to rise and fall in the sliding groove 6 for fine adjustment, so as to further adjust the flow accuracy of the fluid drawn into the fan 3, thereby ensuring the efficiency of the air supply and the control demand for the air intake in the laboratory.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A laboratory continuous gas supply system, comprising a shelf base (1), characterized in that: The upper end of the frame seat (1) is fixedly mounted with an air supply pipeline (2), the lower left end of the air supply pipeline (2) is provided with a sliding slot (6), a freely slidable sealing top block (4) is arranged in the sliding slot (6), and an adjusting component (5) is fixedly mounted on the lower end of the frame seat (1), and the sealing top block (4) is driven to rise and fall in the sliding slot (6) by the adjusting component (5), so as to adjust the flow rate of air entering the laboratory from the air supply pipeline (2); The adjustment assembly (5) comprises a fixed frame plate (51), a limiting telescopic rod (52), a long gear (53), a mounting plate (54), a stepper motor (55), a driving gear (56), a mounting plate (57), a stepper motor (58), a driving gear (59), a shaft (510), a gear ring (511), a positioning plate seat (512), a driven gear (513), an eccentric cone wheel (514), a cone block (515) and a connecting seat (516). The fixed frame plate (51) is symmetrically fixedly installed on the left and right sides of the lower end of the frame plate seat (1), and the shaft (510) is fixedly installed on the left end of the long gear (53). ), a gear ring (511) is fixedly installed in the middle of the shaft (510), a mounting plate 2 (57) and a positioning plate seat (512) are fixedly installed in the middle of the lower end of the frame plate seat (1), a stepper motor 2 (58) is fixedly installed at the lower end of the mounting plate 2 (57), a driving meshing tooth 2 (59) is fixedly installed on the front output shaft of the stepper motor 2 (58), a driven tooth (513) is movably installed at the lower end of the positioning plate seat (512), the driven tooth (513) and the driving meshing tooth 2 (59) are meshed with each other, the driving meshing tooth 2 (59) and the gear ring (511) are meshed and rotated, and an eccentric cone wheel (514) is installed on the left side of the shaft (510).

2. A laboratory continuous gas supply system according to claim 1, characterized in that: A fan (3) is arranged in the middle of the air supply pipeline (2) for load rotation.

3. A laboratory continuous gas supply system according to claim 1, characterized in that: A limited telescopic rod (52) is fixedly mounted on the left end of the fixed frame plate (51), and a long gear (53) is disposed on the limited telescopic rod (52) at the left end of the rod head.

4. A laboratory continuous gas supply system according to claim 3, characterized in that: A mounting plate (54) is fixedly mounted on the middle of the left end surface of the fixed frame plate (51), a stepping motor (55) is fixedly mounted on the lower end of the mounting plate (54), a driving gear (56) is mounted on the output shaft of the stepping motor (55), and the driving gear (56) is meshed and rotated with the long gear (53).

5. A laboratory continuous gas supply system according to claim 4, characterized in that: The sealing top block (4) is fixedly connected to a connecting seat (516).

6. A laboratory continuous gas supply system according to claim 5, characterized in that: The connecting seat (516) passes through the frame plate seat (1) and is fixedly connected to the cone block (515), and the eccentric cone wheel (514) is used to support the cone block (515).

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