Internal and external ventilation equipment for biological laboratory

Abstract

The utility model discloses internal and external ventilation equipment for a biological laboratory, which relates to the technical field of ventilation equipment, and adopts the technical scheme that the internal and external ventilation equipment comprises a fixed shell, two ventilation components are arranged in the fixed shell, and a purification component is arranged on one side of the fixed shell; the ventilation assembly comprises an annular baffle, the annular baffle is arranged in the fixed shell, a ventilation barrel is fixedly arranged in the annular baffle, the top of the ventilation barrel is connected with the top of an inner cavity of the fixed shell through a bearing, and a rotating rod is fixedly connected to the bottom of the ventilation barrel, penetrates through the bottom of the fixed shell and is connected with the joint of the bottom of the fixed shell through a bearing; the indoor ventilation device has the beneficial effects that the ventilation angle of the ventilation assembly is controlled, so that the indoor ventilation effect is improved, the air circulation efficiency is improved, the ventilation assembly sends fresh air into a room, the peculiar smell of the air is reduced, and the indoor ventilation effect is improved. And the purpose of purifying air is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to internal and external ventilation equipment for a biological laboratory. Background Art

[0002] Ventilation, also known as air exchange, is the use of mechanical or natural methods to deliver sufficient fresh air into indoor spaces, while expelling the dirty air that does not meet the hygiene requirements of the room, so that the indoor air meets the hygiene requirements and the needs of the production process; the various facilities in a building that complete the ventilation work are collectively referred to as ventilation equipment.

[0003] The existing ventilation equipment is fixedly installed on the laboratory wall. When the ventilation equipment is started, it can only circulate air in one direction, resulting in poor ventilation effect. Moreover, when delivering air to the room, the air cannot be processed, resulting in odor in the air delivered to the room. Utility Model Content

[0004] To this end, the utility model provides an internal and external ventilation device for a biological laboratory to solve the problem that the ventilation device is fixedly installed on the wall of the laboratory, and when the ventilation device is started, the air can only circulate in a single direction, the ventilation effect is poor, and when the air is delivered to the room, the air cannot be processed, resulting in the problem that the air delivered to the room has an odor.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological laboratory internal and external ventilation device, comprising a fixed shell, two ventilation components are arranged inside the fixed shell, and a purification component is arranged on one side of the fixed shell;

[0006] The ventilation assembly includes an annular baffle, which is arranged inside a fixed shell, a ventilation tube is fixedly provided inside the annular baffle, the top of the ventilation tube is connected to the top of the inner cavity of the fixed shell through a bearing, the bottom of the ventilation tube is fixedly connected to a rotating rod, the rotating rod passes through the bottom of the fixed shell and is connected to the connection with the bottom of the fixed shell through a bearing, one end of the rotating rod is fixedly connected to a gear, a first motor is fixedly provided on one side of the ventilation tube, the output end of the first motor is fixedly connected to a transmission shaft, and the external sleeve of the transmission shaft is fixedly provided with two fan blades.

[0007] Preferably, the purification component includes a storage cylinder, which extends into the interior of the fixed shell, a ventilation grid is provided on the outside of the storage cylinder, a sliding sleeve is fixedly connected to one side of the storage cylinder, a slide plate is provided on one side of the sliding sleeve, the slide plate extends into the interior of the sliding sleeve, a fixing rod is fixedly connected to one side of the slide plate, a limiting rod is fixedly connected to one side of the fixing rod, two limiting grooves are provided on the side wall of the fixed shell, and the limiting rod extends into one of the limiting grooves.

[0008] Preferably, the slide plate is slidably connected to the sliding sleeve.

[0009] Preferably, a connecting shell is fixedly provided at the bottom of the fixed shell, a threaded rod is connected to the inside of the connecting shell through a bearing, a second motor is fixedly provided inside the connecting shell, an output end of the second motor is fixedly connected to one of the threaded rods, the threads on both sides of the outside of the threaded rod have opposite rotation directions, and two tooth plates are provided on the outside of the threaded rod through a threaded sleeve, and the tooth plates are meshed with gears.

[0010] Preferably, one side of one of the annular baffles is provided with a plurality of through holes.

[0011] Preferably, a plurality of slots are formed on the outside of the ventilator.

[0012] Preferably, a sliding rod is fixedly provided inside the connecting shell, and the sliding rod passes through the two tooth plates and is slidably connected to the tooth plates.

[0013] Preferably, the annular baffle slides inside the fixed shell.

[0014] Preferably, a square groove is provided on the outer side of the storage cylinder.

[0015] The utility model embodiment has the following advantages:

[0016] 1. One ventilation component delivers air to the room, and the other ventilation component discharges the air in the room to the outside. The gear plate is controlled to drive the gear to rotate, so that the gear drives the rotating rod to rotate, and the rotating rod drives the ventilator to rotate, thereby controlling the ventilation angle of the ventilation component, thereby improving the indoor ventilation effect and air circulation efficiency;

[0017] 2. When delivering air to the room, the air freshener paste is filled inside the storage cylinder. The air freshener paste emits odor and enters the ventilation cylinder through the annular baffle with through holes and the slots, and delivers fresh air to the room through the ventilation assembly, thereby reducing air odor and achieving the purpose of purifying the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0020] Figure 1 The main view of the overall structure provided by the utility model;

[0021] Figure 2 A rear view of the overall structure provided by the utility model;

[0022] Figure 3 A top view of the overall structure provided by the utility model;

[0023] Figure 4 A cross-sectional view of a connection shell provided by the utility model;

[0024] Figure 5 A side sectional view provided by the utility model;

[0025] Figure 6 A cross-sectional view of a purification component provided by the utility model;

[0026] Figure 7 This is a three-dimensional diagram of the purification component provided by the utility model.

[0027] In the figure: 1. fixed shell; 2. connecting shell; 3. annular baffle; 4. ventilator; 5. fan blades; 6. storage cylinder; 7. first motor; 8. transmission shaft; 9. slot; 10. second motor; 11. threaded rod; 12. sliding rod; 13. tooth plate; 14. gear; 15. rotating rod; 16. limiting groove; 17. sliding sleeve; 18. slide plate; 19. fixed rod; 20. limiting rod; 21. square groove; 22. ventilation grid. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See attached Figure 1 -Attached Figure 7The utility model provides a biological laboratory internal and external ventilation device, comprising a fixed shell 1, two ventilation components are arranged inside the fixed shell 1, and a purification component is arranged on one side of the fixed shell 1;

[0030] The ventilation assembly includes an annular baffle 3, which is arranged inside the fixed shell 1, and a ventilation tube 4 is fixedly arranged inside the annular baffle 3. The top of the ventilation tube 4 is connected to the top of the inner cavity of the fixed shell 1 through a bearing, and the bottom of the ventilation tube 4 is fixedly connected to a rotating rod 15, which passes through the bottom of the fixed shell 1 and is connected to the bottom connection of the fixed shell 1 through a bearing, and one end of the rotating rod 15 is fixedly connected to a gear 14, and one side of the ventilation tube 4 is fixedly provided with a first motor 7, and the output end of the first motor 7 is fixedly connected to a transmission shaft 8, and the transmission shaft 8 is fixedly sleeved with two fan blades 5 on the outside, and the annular baffle 3 slides inside the fixed shell 1;

[0031] In this embodiment, by starting the first motor 7, the first motor 7 controls the transmission shaft 8 to rotate, and the transmission shaft 8 drives the fan blades 5 to rotate, so that the ventilation assembly starts ventilation work, one ventilation assembly sends air to the room, and the other ventilation assembly discharges the indoor air to the outside;

[0032] Among them, in order to achieve the purpose of purification, the present device is implemented by the following technical solutions: the purification component includes a storage cylinder 6, the storage cylinder 6 extends into the fixed shell 1, a ventilation grid 22 is arranged on the outside of the storage cylinder 6, a sliding sleeve 17 is fixedly connected to one side of the storage cylinder 6, a slide plate 18 is arranged on one side of the sliding sleeve 17, the slide plate 18 extends into the inside of the sliding sleeve 17, a fixed rod 19 is fixedly connected to one side of the slide plate 18, a limiting rod 20 is fixedly connected to one side of the fixed rod 19, two limiting grooves 16 are arranged on the side wall of the fixed shell 1, the limiting rod 20 extends into one of the limiting grooves 16, the slide plate 18 is slidably connected to the sliding sleeve 17, a plurality of through holes are arranged on one side of one of the annular baffles 3, a square groove 21 is arranged on the outside of the storage cylinder 6, and a plurality of slots 9 are arranged on the outside of the ventilation cylinder 4, The slot 9 is convenient for filling the air freshener paste inside the storage cylinder 6 when delivering air to the room. The air freshener paste emits odor and enters the ventilation cylinder 4 through the annular baffle 3 with through holes and the slot 9, and delivers fresh air to the room through the ventilation assembly. By pulling the fixed rod 19, the fixed rod 19 drives the slide plate 18 to move. The slide plate 18 slides a distance in the sliding sleeve 17 and then drives the sliding sleeve 17 to move. The sliding sleeve 17 drives the storage cylinder 6 to move. After the storage cylinder 6 is moved out, new air freshener paste can be filled through the square slot 21. At the same time, the fixed rod 19 is rotated, and the fixed rod 19 drives the slide plate 18 to rotate. The slide plate 18 drives the sliding sleeve 17 to rotate. The sliding sleeve 17 drives the storage cylinder 6 to rotate. After the storage cylinder 6 rotates ninety degrees, the ventilation grid 22 is blocked by the fixed shell 1, so that the air freshener paste inside the limiting groove 16 no longer emits odor and enters the ventilation assembly.

[0033] Among them, in order to achieve the purpose of controlling the ventilation angle, the device is implemented by the following technical solutions: a connecting shell 2 is fixedly provided at the bottom of the fixed shell 1, a threaded rod 11 is connected to the inside of the connecting shell 2 through a bearing, a second motor 10 is fixedly provided inside the connecting shell 2, an output end of the second motor 10 is fixedly connected to one of the threaded rods 11, the threads on both sides of the outside of the threaded rod 11 are in opposite directions, two tooth plates 13 are provided on the outside of the threaded rod 11 through a threaded sleeve, the tooth plates 13 are meshed with a gear 14, a sliding rod 12 is fixedly provided inside the connecting shell 2, the sliding rod 12 passes through the two tooth plates 13 and is slidably connected to the tooth plates 13, the second motor 10 is started, the second motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the two tooth plates 13 to move, the tooth plate 13 drives the gear 14 to rotate, the gear 14 drives the rotating rod 15 to rotate, the rotating rod 15 drives the ventilator 4 to rotate, thereby controlling the ventilation angle of the ventilation assembly, thereby improving the indoor ventilation effect;

[0034] The use process of the utility model is as follows: when using the utility model, by starting the first motor 7, the first motor 7 controls the transmission shaft 8 to rotate, and the transmission shaft 8 drives the fan blades 5 to rotate, so that the ventilation component starts ventilation work, one ventilation component sends air to the room, and the other ventilation component discharges the indoor air to the outside. When sending air to the room, the storage cylinder 6 is filled with air freshener paste, and the air freshener paste emits odor and enters the ventilation cylinder 4 through the annular baffle plate 3 with through holes and the slot 9, and sends fresh air to the room through the ventilation component. By pulling the fixed rod 19, the fixed rod 19 drives the slide plate 18 to move, and the slide plate 18 slides a distance in the sliding sleeve 17 and then drives the sliding sleeve 17 to move, and the sliding sleeve 17 drives the storage cylinder 6 to move, so that after the storage cylinder 6 is moved out, new air can be filled in through the square groove 21. The air freshening paste, at the same time, rotates the fixed rod 19, the fixed rod 19 drives the slide plate 18 to rotate, the slide plate 18 drives the sliding sleeve 17 to rotate, and the sliding sleeve 17 drives the storage tube 6 to rotate. After the storage tube 6 rotates ninety degrees, the ventilation grid 22 is blocked by the fixed shell 1, so that the air freshening paste inside the limiting groove 16 no longer emits odor into the ventilation component, and then pushes the fixed rod 19, and the limiting rod 20 on one side of the fixed rod 19 is inserted into the limiting groove 16, thereby fixing the storage tube 6, and starting the second motor 10, the second motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the two tooth plates 13 to move, and the tooth plate 13 drives the gear 14 to rotate, so that the gear 14 drives the rotating rod 15 to rotate, and the rotating rod 15 drives the ventilation tube 4 to rotate, thereby controlling the ventilation angle of the ventilation component, thereby improving the indoor ventilation effect.

[0035] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A biological laboratory internal and external ventilation device, comprising a fixed housing (1), Features: Two ventilation components are provided inside the fixed shell (1), and a purification component is provided on one side of the fixed shell (1); The ventilation assembly comprises an annular baffle (3), the annular baffle (3) being arranged inside a fixed shell (1), a ventilation tube (4) being fixedly arranged inside the annular baffle (3), the top of the ventilation tube (4) being connected to the top of the inner cavity of the fixed shell (1) via a bearing, the bottom of the ventilation tube (4) being fixedly connected to a rotating rod (15), the rotating rod (15) passing through the bottom of the fixed shell (1) and being connected to the bottom of the fixed shell (1) via a bearing, one end of the rotating rod (15) being fixedly connected to a gear (14), one side of the ventilation tube (4) being fixedly provided with a first motor (7), the output end of the first motor (7) being fixedly connected to a transmission shaft (8), and the outer sleeve of the transmission shaft (8) being fixedly provided with two fan blades (5).

2. A biological laboratory internal and external ventilation device according to claim 1, Features: The purification component comprises a storage cylinder (6), the storage cylinder (6) extending into the interior of a fixed shell (1), a ventilation grid (22) being arranged on the outside of the storage cylinder (6), a sliding sleeve (17) being fixedly connected to one side of the storage cylinder (6), a slide plate (18) being arranged on one side of the sliding sleeve (17), the slide plate (18) extending into the interior of the sliding sleeve (17), a fixing rod (19) being fixedly connected to one side of the slide plate (18), a limiting rod (20) being fixedly connected to one side of the fixing rod (19), two limiting grooves (16) being arranged on the side wall of the fixed shell (1), the limiting rod (20) extending into the interior of one of the limiting grooves (16).

3. A biological laboratory internal and external ventilation device according to claim 2, Features: The slide plate (18) is slidably connected to the slide sleeve (17).

4. A biological laboratory internal and external ventilation device according to claim 1, Features: A connecting shell (2) is fixedly provided at the bottom of the fixed housing (1), a threaded rod (11) is connected to the interior of the connecting shell (2) via a bearing, a second motor (10) is fixedly provided inside the connecting shell (2), an output end of the second motor (10) is fixedly connected to one of the threaded rods (11), the threads on both sides of the exterior of the threaded rod (11) are in opposite directions, two tooth plates (13) are provided on the exterior of the threaded rod (11) via a threaded sleeve, and the tooth plates (13) are meshed with a gear (14).

5. A biological laboratory internal and external ventilation device according to claim 1, Features: One side of one of the annular baffles (3) is provided with a plurality of through holes.

6. A biological laboratory internal and external ventilation device according to claim 1, Features: The ventilation cylinder (4) is provided with a plurality of slots (9) on the outside.

7. A biological laboratory internal and external ventilation device according to claim 4, Features: A sliding rod (12) is fixedly provided inside the connecting shell (2), and the sliding rod (12) passes through the two tooth plates (13) and is slidably connected to the tooth plates (13).

8. A biological laboratory internal and external ventilation device according to claim 1, Features: The annular baffle (3) slides inside the fixed housing (1).

9. A biological laboratory internal and external ventilation device according to claim 2, Features: A square groove (21) is formed on the outer side of the storage cylinder (6).

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