阅读说明：本技术 一种接头联动控制结构及实验室中央新风控制系统 (Joint linkage control structure and laboratory central fresh air control system ) 是由 向护斌 于 2021-03-25 设计创作，主要内容包括：本发明涉及一种接头联动控制结构及实验室中央新风控制系统,包括新风处理柜和设置在所述新风处理柜上的检测器以及步进电机,所述步进电机连接调节组件,所述调节组件连接伸缩板,所述伸缩板与固定板适配,所述伸缩板通过缓冲组件连接移动块,所述移动块上设置有一号齿轮,所述伸缩板上还设置有主动片,所述实验室中央新风控制系统包括电机,所述电机输出轴连接锥齿轮组,所述锥齿轮组连接二号齿轮,所述电机还连接传动组件,所述传动组件连接风机,所述电机的输出轴还连接正反转组件,所述正反转组件连接钢丝线,所述钢丝线上设置有出风口,所述出风口连接导向组件且所述出风口与所述风机的排风口连接,本发明设计新颖,结构简单,实用性强。(The invention relates to a joint linkage control structure and a laboratory central fresh air control system, which comprise a fresh air processing cabinet, a detector and a stepping motor, wherein the detector and the stepping motor are arranged on the fresh air processing cabinet, the stepping motor is connected with an adjusting component, the adjusting component is connected with a telescopic plate, the telescopic plate is matched with a fixed plate, the telescopic plate is connected with a moving block through a buffer component, a first gear is arranged on the moving block, a driving plate is also arranged on the telescopic plate, the laboratory central fresh air control system comprises a motor, an output shaft of the motor is connected with a bevel gear set, the bevel gear set is connected with a second gear, the motor is also connected with a transmission component, the transmission component is connected with a fan, an output shaft of the motor is also connected with a forward and reverse rotation component, the forward and reverse rotation component is connected with a steel wire line, an air outlet is arranged on the steel wire line, the air outlet is connected with a guide component, and the air outlet is connected with an air outlet of the fan, the invention has novel design, simple structure and strong practicability.)

1. The joint linkage control structure is characterized by comprising a fresh air processing cabinet (1), a detector (2) and a stepping motor (3) which are arranged on the fresh air processing cabinet (1), wherein the detector (2) and the stepping motor (3) are electrically connected, an output shaft of the stepping motor (3) is connected with an adjusting component arranged on the fresh air processing cabinet (1), the adjusting component is connected with an expansion plate (7) through a connecting piece, the expansion plate (7) is hollow and is fixedly arranged on a fixed plate (6) arranged on the fresh air processing cabinet (1), one end of the expansion plate (7) is connected with a moving block through a buffering component, a first gear (14) is arranged on the moving block in a rotating mode, a driving piece (8) is further arranged on the expansion plate (7), and the driving piece (8) is matched with a fixed block (9) arranged on a transverse plate (10) on the fresh air processing cabinet (1) And (4) preparing.

2. The joint linkage control structure according to claim 1, wherein the adjusting assembly comprises a screw rod (4) connected with the output shaft of the stepping motor (3) and rotatably arranged on the fresh air processing cabinet (1), and a threaded sleeve (5) in threaded fit with the screw rod (4), and the threaded sleeve (5) is connected with the expansion plate (7) through the connecting block.

3. The joint linkage control structure according to claim 1, wherein the buffer assembly comprises a fixed barrel (11) fixedly arranged on the expansion plate (7), a sliding barrel (12) adapted to the fixed barrel (11) and having one end fixedly arranged on the moving block, and a torsion spring (13) connecting the moving block and the expansion plate (7).

4. A laboratory central fresh air control system, which comprises the joint linkage control structure according to any one of claims 1 to 3, and further comprises a motor (15) fixedly arranged on the fresh air processing cabinet (1), wherein an output shaft of the motor (15) is connected with a bevel gear set arranged on the fresh air processing cabinet (1), the bevel gear set is connected with a second gear (18) rotatably arranged in the fresh air processing cabinet (1), and the second gear (18) is matched with the first gear (14);

the output shaft of the motor (15) is further connected with a transmission assembly arranged on the fresh air processing cabinet (1), the transmission assembly is connected with a fan (23) arranged in the fresh air processing cabinet (1) through a belt (26), an air inlet of the fan (23) is connected with a mixing box (21) arranged in the fresh air processing cabinet (1) through a connecting pipe, a heater (22) is arranged on the connecting pipe, the heater (22) is electrically connected with the fixing block (9), the mixing box (21) is connected with the air inlet through a one-way valve, a stirring rod (20) is further rotatably arranged in the mixing box (21), one end of the stirring rod (20) is connected with a third gear (19), and the third gear (19) is matched with the first gear (14);

the output shaft of the motor (15) is further connected with a forward and reverse rotating assembly arranged on the fresh air processing cabinet (1), the forward and reverse rotating assembly is connected with a steel wire line (31) arranged in the fresh air processing cabinet (1) through a second belt (30), an air outlet (34) is fixedly arranged on the steel wire line (31), the air outlet (34) is connected with a guide assembly arranged in the fresh air processing cabinet (1), and the air outlet (34) is connected with an air outlet of the fan (23).

5. The laboratory central fresh air control system according to claim 4, wherein the bevel gear set comprises a first bevel gear (16) arranged on the output shaft of the motor (15) and a second bevel gear (17) meshed with the first bevel gear (16) and rotatably arranged on the fresh air processing cabinet (1), and the second bevel gear (17) is connected with the second bevel gear (18).

6. The laboratory central fresh air control system according to claim 4, wherein the transmission assembly comprises a worm (24) connected with the output shaft of the motor (15) and rotatably arranged on the fresh air processing cabinet (1), and a worm wheel (25) meshed with the worm (24) and rotatably arranged on the fresh air processing cabinet (1), and the worm wheel (25) is connected with the fan (23) through the first belt (26).

7. The central fresh air control system of laboratory according to claim 4, wherein said positive and negative rotation components comprise a first incomplete bevel gear (27) and a second incomplete bevel gear (29) arranged on the output shaft of said motor (15) and a complete bevel gear (28) matched with said first incomplete bevel gear (27) and said second incomplete bevel gear (29), said complete bevel gear (28) is connected with said steel wire (31) through said second belt (30).

8. Central laboratory ventilation control system according to claim 4, wherein the guiding assembly comprises a guiding rod (32) fixedly arranged in the ventilation processing cabinet (1) and a sliding sleeve (33) slidably arranged on the guiding rod (32), the sliding sleeve (33) being fixedly connected with the air outlet (34).

Technical Field

The invention relates to the field of fresh air control, in particular to a joint linkage control structure and a laboratory central fresh air control system.

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system, and is divided into a pipeline type fresh air system and a pipeline-free fresh air system, wherein the pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and the indoor air is exhausted by a pipeline; the ductless fresh air system consists of fresh air fans, and the fresh air fans also purify outdoor air and guide the outdoor air into the room, so that the ductless fresh air system is relatively suitable for industrial or large-area office areas due to large engineering quantity, and the ductless fresh air system is more suitable for families due to convenient installation;

in the laboratory, because the work needs often need carry out dangerous experiment for a certain amount of poisonous and harmful gas has been produced, long-term gathering can cause the injury in the laboratory to the people, and traditional processing method is, with the gas outgoing laboratory in the laboratory, makes external air receive the pollution, provides a joint coordinated control structure and laboratory central authorities new trend control system for this, realizes handling the air in the laboratory.

Disclosure of Invention

The invention aims to provide a joint linkage control structure and a laboratory central fresh air control system, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a connect coordinated control structure and laboratory central authorities new trend control system, connect the coordinated control structure and include the fresh air treatment cabinet and set up detector and step motor on the fresh air treatment cabinet, the detector with electric connection between the step motor, step motor output shaft sets up adjusting part on the fresh air treatment cabinet, adjusting part passes through the connecting piece and connects the expansion plate, the inside cavity of expansion plate and with fixed setting fixed plate adaptation on the fresh air treatment cabinet, the movable block is connected through buffering subassembly to the one end of expansion plate, it is provided with a gear to rotate on the movable block, still be provided with the initiative piece on the expansion plate, the initiative piece with set up the fixed block adaptation on the diaphragm on the fresh air treatment cabinet.

As a further scheme of the invention: the adjusting assembly comprises a screw rod and a threaded sleeve, the screw rod is connected with an output shaft of the stepping motor and is rotatably arranged on the fresh air processing cabinet, the threaded sleeve is in threaded fit with the screw rod, and the threaded sleeve is connected with the expansion plate through the connecting block.

As a still further scheme of the invention: the buffer assembly comprises a fixed barrel fixedly arranged on the expansion plate, a sliding barrel matched with the fixed barrel and fixedly arranged on the moving block at one end, and a torsional spring for connecting the moving block and the expansion plate.

A laboratory central fresh air control system comprises a joint linkage control structure and a motor fixedly arranged on a fresh air processing cabinet, wherein an output shaft of the motor is connected with a bevel gear set arranged on the fresh air processing cabinet, the bevel gear set is connected with a second gear rotatably arranged in the fresh air processing cabinet, and the second gear is matched with the first gear;

the output shaft of the motor is also connected with a transmission assembly arranged on the fresh air processing cabinet, the transmission assembly is connected with a fan arranged in the fresh air processing cabinet through a belt, an air inlet of the fan is connected with a mixing box arranged in the fresh air processing cabinet through a connecting pipe, a heater is arranged on the connecting pipe and is electrically connected with the fixed block, the mixing box is connected with the air inlet through a one-way valve, a stirring rod is also rotatably arranged in the mixing box, one end of the stirring rod is connected with a third gear, and the third gear is matched with the first gear;

the output shaft of the motor is further connected with a forward and reverse rotating assembly arranged on the fresh air processing cabinet, the forward and reverse rotating assembly is connected with a steel wire line arranged in the fresh air processing cabinet through a second belt, an air outlet is fixedly arranged on the steel wire line, the air outlet is connected with a guide assembly arranged in the fresh air processing cabinet, and the air outlet is connected with an air outlet of the fan.

As a still further scheme of the invention: the bevel gear set comprises a first bevel gear arranged on the motor output shaft and a second bevel gear meshed with the first bevel gear and rotatably arranged on the fresh air processing cabinet, and the second bevel gear is connected with the second gear.

As a still further scheme of the invention: the transmission assembly comprises a motor output shaft, a worm and a worm wheel, wherein the motor output shaft is connected with the worm, the worm is rotatably arranged on the fresh air processing cabinet, the worm wheel is meshed with the worm and rotatably arranged on the fresh air processing cabinet, and the worm wheel is connected with the fan through a belt.

As a still further scheme of the invention: the positive and negative rotation assembly comprises a first incomplete bevel gear, a second incomplete bevel gear and a complete bevel gear, wherein the first incomplete bevel gear and the second incomplete bevel gear are arranged on the output shaft of the motor, the complete bevel gear is matched with the first incomplete bevel gear and the second incomplete bevel gear, and the complete bevel gear is connected with the steel wire through the second belt.

As a still further scheme of the invention: the direction subassembly is in including fixed setting the guide bar and the slip setting in the fresh air treatment cabinet are in slide sleeve on the guide bar, slide sleeve with air outlet fixed connection.

Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, the motor is driven to rotate, the motor drives the fan to work through the transmission component, air in a laboratory is pumped into the mixing box, liquid with toxic substances is filled in the mixing box, air is exhausted by the fan after the toxic substances in the mixing box are absorbed, meanwhile, the motor drives the steel wire to do reciprocating motion through the forward and reverse rotating components, the air outlet is driven to do reciprocating motion up and down under the action of the guide component, uniform exhaust is realized, when the detector detects that the gas toxic substances in the laboratory exceed the range, the stepping motor is driven to work, the stepping motor drives the adjusting component to work, so that the expansion plate moves, the expansion plate drives the first gear to be meshed with the second gear and the third gear, the stirring rod is driven to rotate, the gas entering the mixing box can be better mixed with the adsorption liquid, better adsorption effect is achieved, and the heater works simultaneously, the water vapor in the air is evaporated, the gas humidity is prevented from being too large, the structure is simple, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of a joint linkage control structure and a structure of one embodiment of a central fresh air control system in a laboratory.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

FIG. 4 is a schematic diagram of the joint linkage control structure and the structure of the active plate and the fixed block in one embodiment of the central fresh air control system in the laboratory.

In the figure: 1-fresh air processing cabinet, 2-detector, 3-stepping motor, 4-screw rod, 5-threaded sleeve, 6-fixed plate, 7-expansion plate, 8-driving plate, 9-fixed block, 10-transverse plate, 11-fixed barrel, 12-sliding barrel, 13-torsion spring, 14-first gear, 15-motor, 16-first bevel gear, 17-second bevel gear, 18-second gear, 19-third gear, 20-stirring rod, 21-mixing box, 22-heater, 23-blower, 24-worm, 25-worm gear, 26-first belt, 27-first incomplete bevel gear, 28-complete bevel gear, 29-second incomplete bevel gear, 30-second belt, 9-third belt, 14-motor, 15-motor, 18-motor, 9-transverse plate, 11-motor, 24-motor, 25-worm gear, 26-first belt, 27-first incomplete bevel gear, 28-complete bevel gear, 29-second incomplete bevel gear, 30-second belt, motor, 31-steel wire, 32-guide rod, 33-sliding sleeve and 34-air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, a joint linkage control structure includes a fresh air processing cabinet 1, a detector 2 and a stepping motor 3 disposed on the fresh air processing cabinet 1, the detector 2 is electrically connected with the stepping motor 3, the output shaft of the stepping motor 3 is connected with an adjusting component arranged on the fresh air processing cabinet 1, the adjusting component is connected with a telescopic plate 7 through a connecting piece, the telescopic plate 7 is hollow and is matched with a fixed plate 6 fixedly arranged on the fresh air processing cabinet 1, one end of the expansion plate 7 is connected with a moving block through a buffer component, a first gear 14 is rotatably arranged on the moving block, still be provided with the initiative piece 8 on the expansion plate 7, the initiative piece 8 with set up fixed block 9 adaptation on the diaphragm 10 on the fresh air treatment cabinet 1.

In the embodiment of the invention, when the detector 2 detects that the gas toxic substances in the laboratory exceed the range, the stepping motor 3 is driven to work, the stepping motor 3 drives the adjusting component to work, so that the telescopic plate 7 moves, the telescopic plate 7 drives the first gear 14 to move, and meanwhile, the buffer component is arranged to prevent the structure of the first gear 14 from being damaged.

As an embodiment of the present invention, the adjusting assembly includes a screw rod 4 connected to the output shaft of the stepping motor 3 and rotatably disposed on the fresh air processing cabinet 1, and a threaded sleeve 5 in threaded engagement with the screw rod 4, and the threaded sleeve 5 is connected to the expansion plate 7 through the connecting block.

In the embodiment of the invention, when the stepping motor 3 rotates, the screw rod 4 is driven to rotate, so that the threaded sleeve 5 in threaded fit with the screw rod 4 moves in the axial direction of the screw rod 4, the telescopic plate 7 is driven to move, the telescopic plate 7 drives the driving sheet 8 to be combined with the fixed block 9, the heater 22 is powered on, and meanwhile, the first gear 14 is meshed with the second gear 18 and the third gear 19 to drive the stirring rod 20 to rotate, so that air and adsorption liquid are fully mixed.

As an embodiment of the present invention, the buffer assembly includes a fixed barrel 11 fixedly disposed on the expansion plate 7, a sliding barrel 12 adapted to the fixed barrel 11 and having one end fixedly disposed on the moving block, and a torsion spring 13 connecting the moving block and the expansion plate 7.

In the embodiment of the invention, when the expansion plate 7 moves in use, the first gear 14 is meshed with the second gear 18 and the third gear 19, and the torsion spring 13 is arranged to prevent the first gear 14 and the adjusting component from being damaged.

As an embodiment of the invention, the central fresh air control system for the laboratory is further provided, the central fresh air control system for the laboratory comprises the joint linkage control structure, the central fresh air control system for the laboratory further comprises a motor 15 fixedly arranged on the fresh air processing cabinet 1, an output shaft of the motor 15 is connected with a bevel gear set arranged on the fresh air processing cabinet 1, the bevel gear set is connected with a second gear 18 rotatably arranged in the fresh air processing cabinet 1, and the second gear 18 is matched with the first gear 14;

the output shaft of the motor 15 is further connected with a transmission assembly arranged on the fresh air processing cabinet 1, the transmission assembly is connected with a fan 23 arranged in the fresh air processing cabinet 1 through a first belt 26, an air inlet of the fan 23 is connected with a mixing box 21 arranged in the fresh air processing cabinet 1 through a connecting pipe, a heater 22 is arranged on the connecting pipe, the heater 22 is electrically connected with the fixed block 9, the mixing box 21 is connected with the air inlet through a one-way valve, a stirring rod 20 is further rotatably arranged in the mixing box 21, one end of the stirring rod 20 is connected with a third gear 19, and the third gear 19 is matched with the first gear 14;

the output shaft of the motor 15 is further connected with a forward and reverse rotation assembly arranged on the fresh air processing cabinet 1, the forward and reverse rotation assembly is connected with a steel wire 31 arranged in the fresh air processing cabinet 1 through a second belt 30, an air outlet 34 is fixedly arranged on the steel wire 31, the air outlet 34 is connected with a guide assembly arranged in the fresh air processing cabinet 1, and the air outlet 34 is connected with an air outlet of the fan 23.

In the embodiment of the invention, when in use, the motor 15 is driven to rotate, the motor 15 drives the fan 23 to work through the transmission component, air in a laboratory is pumped into the mixing box 21, liquid with toxic substances is filled in the mixing box 21, the air is exhausted by the fan 23 after the toxic substances in the laboratory are absorbed through the mixing box 21, meanwhile, the motor 15 drives the steel wire 31 to reciprocate through the forward and reverse components, the air outlet 34 is driven to reciprocate up and down under the action of the guide component, uniform exhaust is realized, when the detector 2 detects that the toxic substances in the laboratory exceed the range, the stepping motor 3 is driven to work, the stepping motor 3 drives the adjusting component to work, the telescopic plate 7 moves, the telescopic plate 7 drives the first gear 14 to be meshed with the second gear 18 and the third gear 19, drive puddler 20 rotates for get into gas in the mixing box 21 can reach better adsorption effect with the better mixture of adsorption liquid, simultaneously heater 22 work is with the steam evaporation in the air, avoids the combustion gas humidity too big, simple structure, and the practicality is strong.

As an embodiment of the present invention, the bevel gear set includes a first bevel gear 16 disposed on the output shaft of the motor 15, and a second bevel gear 17 engaged with the first bevel gear 16 and rotatably disposed on the fresh air processing cabinet 1, and the second bevel gear 17 is connected to the second bevel gear 18.

In the embodiment of the invention, when the motor 15 rotates, the first bevel gear 16 is driven to rotate, so that the second bevel gear 17 engaged with the first bevel gear 16 rotates, and the stirring rod 20 is driven to rotate.

As an embodiment of the present invention, the transmission assembly includes a worm 24 connected to the output shaft of the motor 15 and rotatably disposed on the fresh air processing cabinet 1, and a worm wheel 25 engaged with the worm 24 and rotatably disposed on the fresh air processing cabinet 1, and the worm wheel 25 is connected to the fan 23 through the first belt 26.

In the embodiment of the invention, when the motor 15 rotates, the worm 24 is driven to rotate, so that the worm wheel 25 meshed with the worm 24 rotates, the worm wheel 25 drives the fan 23 to rotate through the first belt 26, and air in a laboratory is pumped into the mixing box 21.

As an embodiment of the present invention, the forward and reverse rotation assembly includes a first incomplete bevel gear 27 and a second incomplete bevel gear 29 provided on the output shaft of the motor 15, and a complete bevel gear 28 fitted with the first incomplete bevel gear 27 and the second incomplete bevel gear 29, and the complete bevel gear 28 is connected to the wire 31 by a second belt 30.

In the embodiment of the invention, when the motor 15 rotates, the first incomplete bevel gear 27 and the second incomplete bevel gear 29 are driven to rotate, the first incomplete bevel gear 27 and the second incomplete bevel gear 29 are partially toothed and partially non-toothed, when the toothed part of the first incomplete bevel gear 27 is meshed with the complete bevel gear 28, the non-toothed part of the second incomplete bevel gear 29 is matched with the complete bevel gear 28 to realize forward rotation, and when the toothed part of the second incomplete bevel gear 29 is meshed with the complete bevel gear 28, the non-toothed part of the first incomplete bevel gear 27 is matched with the complete bevel gear 28 to realize reverse rotation.

As an embodiment of the present invention, the guiding component includes a guiding rod 32 fixedly disposed in the fresh air processing cabinet 1, and a sliding sleeve 33 slidably disposed on the guiding rod 32, and the sliding sleeve 33 is fixedly connected to the air outlet 34.

In the embodiment of the invention, when the forward and reverse rotation assembly works, the steel wire 31 is driven to reciprocate up and down to drive the air outlet 34 to reciprocate up and down, and the air outlet 34 is prevented from swinging through the arranged guide rod 32 and the sliding sleeve 33 arranged on the guide rod 32, so that the air outlet direction is changed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.