CN211437400U

CN211437400U - Auxiliary lifting device for laboratory ventilation pipeline

Info

Publication number: CN211437400U
Application number: CN201921725059.1U
Authority: CN
Inventors: 宋增锋; 宁旭丹; 刘建峰; 王苗
Original assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Current assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-09-08
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a laboratory air pipe is with supplementary elevating gear, include: ventilation pipe, flexible pipe, shell, check valve, first fan, second fan, backup pad, a pair of electric putter that the structure is the same, the supporting component and the coupling assembling that a plurality of structure are the same, it is a plurality of the supporting component suit is on the ventilation pipe, coupling assembling top and ventilation pipe bottom fixed connection, coupling assembling bottom and flexible pipe top fixed connection, shell fixed mounting is in flexible pipe bottom, the utility model relates to a laboratory ventilation equipment technical field, the device reasonable in design, novel structure, the simple operation of being convenient for of application method, through the height of control electric putter regulation fan, through the harmful gas transmission that produces in will testing to the ventilation pipe in first fan, collect the emission to harmful gas to through the cooperation of check valve and second fan, prevent phenomena such as adverse current from appearing in the harmful gas.

Description

Auxiliary lifting device for laboratory ventilation pipeline

Technical Field

The utility model relates to a laboratory ventilation equipment technical field specifically is a laboratory air pipe is with supplementary elevating gear.

Background

Ventilation, also known as air exchange, is to send enough fresh air into the indoor space by mechanical or natural method, and simultaneously to discharge the dirty air which is not in line with the sanitary requirement, so that the indoor air meets the sanitary requirement and the requirement of the production process, each facility for completing the ventilation work in the building is generally called ventilation equipment, the ventilation equipment is divided into two types of fans for industrial use and household use, and the fans are divided into high, medium, low, negative pressure and the like, in a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances can be generated during the experimental operation, the safety of a user is protected by the ventilation equipment, and the pollutant in the experiment is prevented from diffusing to the laboratory, but most of the existing laboratory ventilation equipment adopts ventilation pipes or ventilation cabinets for ventilation, wherein the ventilation pipes are higher than a laboratory bench, and the harmful gases generated in the experiment can not be effectively discharged, in addition, the ventilation cabinet is high in manufacturing cost, and the ventilation cabinet cannot be prepared for each experiment table, so that harmful gas influences the safety of experiment operators.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a laboratory air pipe is with supplementary elevating gear has solved that current laboratory ventilation equipment adopts air pipe or fume chamber to ventilate mostly, and wherein air pipe is higher apart from the laboratory bench, can't effectually discharge produced harmful gas in the experiment to the fume chamber cost is higher, can't prepare the fume chamber for each laboratory bench, leads to the problem of harmful gas influence experiment operating personnel's safety.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a laboratory is supplementary elevating gear for air pipe, mainly includes: the fan comprises a ventilation pipe, a telescopic pipe, a shell, a check valve, a first fan, a second fan, a support plate, a pair of electric push rods with the same structure, a plurality of support components with the same structure and a connecting assembly, wherein the plurality of support components are sleeved on the ventilation pipe, the top end of the connecting assembly is fixedly connected with the bottom end of the ventilation pipe, the bottom end of the connecting assembly is fixedly connected with the top end of the telescopic pipe, the shell is fixedly arranged at the bottom end of the telescopic pipe, the support plate is arranged at the top end of the shell and is fixedly connected with the outer wall surface of the shell, the first fan is embedded in the shell and is fixedly connected with the inner wall surface of the shell, the second fan is embedded in the ventilation pipe and is positioned at the other end of the ventilation pipe, the bottom ends of the electric push, and is fixedly connected with the top end of the shell.

Preferably, the support assembly comprises: the support frame, the U-shaped plate, a pair of support springs with the same structure and a pair of limiting plates with the same structure;

the bottom end of the U-shaped plate is sleeved on the ventilation pipe, the supporting frame is fixedly installed at the bottom end of the wall body, the top end of the U-shaped plate penetrates through two ends of the supporting frame, the supporting springs are sleeved at the top end of the U-shaped plate, the bottom ends of the supporting springs are attached to the upper wall face of the supporting frame, and the limiting plates are fixedly installed at the top end of the U-shaped plate.

Preferably, the connection assembly includes: the connecting structure comprises a first connecting plate, a second connecting plate and a plurality of threaded components with the same structure;

the first connecting plate is fixedly arranged at the bottom end of the ventilation pipe, the second connecting plate is fixedly arranged at the top end of the telescopic pipe and is attached to the lower wall surface of the first connecting plate, and the plurality of threaded components are fixedly arranged at the joints of the first connecting plate and the second connecting plate.

Preferably, the bottom end of the shell is provided with an air suction cover which is of a cavity structure without a lower wall surface and in a circular shape.

Preferably, the bottom end of the connecting assembly is provided with a pair of telescopic rods with the same structure, the telescopic rods are fixedly mounted on the lower wall surface of the connecting assembly, and the telescopic ends of the telescopic rods are fixedly connected with the upper wall surface of the supporting plate.

Preferably, the supporting plate is of a circular plate-shaped structure, a pair of connecting blocks with the same structure is arranged at the top end of the supporting plate, the first connecting plate and the second connecting plate are of circular plate-shaped structures, a plurality of circular through holes with the same structure are formed in the first connecting plate and the second connecting plate, and the outer diameter of the second connecting plate is slightly larger than that of the first connecting plate.

Advantageous effects

The utility model provides a laboratory air pipe is with supplementary elevating gear possesses following beneficial effect: this laboratory air pipe is with supplementary elevating gear reasonable in design, novel structure, the operation of being simple convenient for of application method, adjust the height of fan through control electric putter, the harmful gas that produces in will testing through first fan transmits to the ventilation pipe in, collect the emission to harmful gas, and the cooperation through check valve and second fan, prevent that harmful gas from appearing phenomenons such as adverse current, it ventilates to have solved current laboratory ventilation equipment and mostly adopted air pipe or fume chamber, wherein air pipe is higher apart from the laboratory bench, unable effectual harmful gas to producing in the experiment discharges, and the fume chamber cost is higher, can't prepare the fume chamber for each laboratory bench, lead to the problem of harmful gas influence experiment operating personnel's safety.

Drawings

Fig. 1 is the utility model discloses a laboratory air pipe is with supplementary elevating gear's main structure schematic diagram of looking.

Fig. 2 is the utility model relates to a laboratory air pipe is with supplementary elevating gear look sideways at schematic structure diagram.

Fig. 3 is the utility model discloses a laboratory air pipe is with supplementary elevating gear's bottom view structure schematic diagram.

In the figure: 1. a vent pipe; 2. a telescopic pipe; 3. a housing; 4. a check valve; 5. a first fan; 6. a second fan; 7. a support plate; 8. an electric push rod; 9. a support frame; 10. a U-shaped plate; 11. a support spring; 12. a limiting plate; 13. a first connecting plate; 14. a second connecting plate; 15. a threaded assembly; 16. an air suction hood; 17. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example (b): the utility model provides a technical scheme: as can be seen from fig. 1 to 3 of the specification, the present application is an auxiliary lifting device for a laboratory ventilation duct, which mainly comprises: ventilation pipe 1, flexible pipe 2, shell 3, check valve 4, first fan 5, second fan 6, backup pad 7, a pair of electric putter 8 that the structure is the same, the same supporting component of a plurality of structures and coupling assembling, the relation of connection is as follows:

a plurality of supporting components suit is on ventilation pipe 1, coupling assembling top and 1 bottom fixed connection of ventilation pipe, coupling assembling bottom and the 2 top fixed connection of flexible pipe, 3 fixed mounting in flexible pipe 2 bottoms of shell, backup pad 7 is installed in the 3 tops of shell, and with 3 outer wall fixed connection of shell, first fan 5 inlays and adorns in 3 insides of shell, and with 3 internal face fixed connection of shell, second fan 6 inlays and adorns in 1 inside of ventilation pipe, and be located the 1 other end of ventilation pipe, 8 bottoms and the coupling assembling fixed connection of a pair of electric putter, 8 flexible ends of a pair of electric putter and 7 top fixed connection of backup pad, check valve 4 suit is in flexible pipe 2 bottoms, and with 3 top fixed connection of shell.

According to the general conditions, when the air purifier is used, the ventilation pipe 1 is supported and fixed through the supporting assembly, the connectivity between the ventilation pipe 1 and the extension pipe 2 is increased through the connecting assembly, the electric push rod 8 is supported through the connecting assembly, the first fan 5 is supported and fixed through the shell 3, the electric push rod 8 is supported through the supporting plate 7, the connectivity between the shell 3 and the electric push rod 8 is increased, the electric push rod 8 is started, the height of the shell 3 is adjusted through controlling the electric push rod 8, the first fan 5 is started, harmful gas generated in an experiment is absorbed through the rotation of the first fan 5, the gas entering the extension pipe 2 is prevented from generating the phenomena of reverse flow and the like through the check valve 4, the second fan 6 is started, the harmful gas entering the extension pipe 2 is discharged into the ventilation pipe 1 through the rotation of the second fan 6, and unified the handling of the harmful gas of collecting, solved current laboratory ventilation equipment and adopted ventilation pipe 1 way or fume chamber to ventilate mostly, wherein ventilation pipe 1 way is higher apart from the laboratory bench, can't effectually discharge produced harmful gas in the experiment to the fume chamber cost is higher, can't prepare the fume chamber for each laboratory bench, leads to the problem of harmful gas influence experiment operating personnel's safety.

Preferably, the support assembly further comprises: braced frame 9, U template 10, the same supporting spring 11 of a pair of structure and the same limiting plate 12 of a pair of structure, 10 bottom suit of U template on ventilation pipe 1, braced frame 9 fixed mounting in the wall body bottom, 10 tops of U template run through in braced frame 9 both ends, 11 suits of a pair of supporting spring in the 10 tops of U template, 11 bottoms of a pair of supporting spring laminate mutually with braced frame 9 upper wall, 12 fixed mounting in U template 10 tops of a pair of limiting plate, when using, cooperation through braced frame 9 and U template 10 supports ventilation pipe 1, carry on spacingly through limiting plate 12 to U template 10.

Preferably, further, the connecting assembly includes: first connecting plate 13, second connecting plate 14 and a plurality of screw thread subassembly 15 that the structure is the same, first connecting plate 13 fixed mounting is in 1 bottom of ventilation pipe, second connecting plate 14 fixed mounting is in flexible pipe 2 top, and laminate mutually with wall under first connecting plate 13, a plurality of screw thread subassemblies 15 fixed mounting are in first connecting plate 13 and second connecting plate 14 junction, when using, increase the connectivity between flexible pipe 2 and ventilation pipe 1 through coupling assembling, support electric putter 8 through second connecting plate 14, increase the connectivity between first connecting plate 13 and the second connecting plate 14 through screw thread subassembly 15.

Preferably, the bottom end of the housing 3 is provided with an air suction hood 16, the air suction hood 16 is a circular cavity structure without a lower wall surface, and the air suction hood 16 increases the collection area of the harmful gas to prevent the harmful gas from further diffusing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the phrase" comprising a.once.a.limited element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laboratory is supplementary elevating gear for air pipe, mainly includes: the air conditioner comprises a ventilation pipe (1), a telescopic pipe (2), a shell (3), a check valve (4), a first fan (5), a second fan (6), a support plate (7), a pair of electric push rods (8) with the same structure, a plurality of support components with the same structure and a connecting component, and is characterized in that the support components are sleeved on the ventilation pipe (1), the top end of the connecting component is fixedly connected with the bottom end of the ventilation pipe (1), the bottom end of the connecting component is fixedly connected with the top end of the telescopic pipe (2), the shell (3) is fixedly arranged at the bottom end of the telescopic pipe (2), the support plate (7) is arranged at the top end of the shell (3) and is fixedly connected with the outer wall surface of the shell (3), the first fan (5) is embedded inside the shell (3) and is fixedly connected with the inner wall surface of the shell (3), and the second fan (, and is located the ventilation pipe (1) other end, and is a pair of electric putter (8) bottom and coupling assembling fixed connection, it is a pair of electric putter (8) flexible end and backup pad (7) top fixed connection, check valve (4) suit is in flexible pipe (2) bottom to with shell (3) top fixed connection.

2. The auxiliary lifting device for the laboratory ventilation duct according to claim 1, wherein the support assembly comprises: the device comprises a supporting frame (9), a U-shaped plate (10), a pair of supporting springs (11) with the same structure and a pair of limiting plates (12) with the same structure;

the bottom end of the U-shaped plate (10) is sleeved on the ventilation pipe (1), the supporting frame (9) is fixedly installed at the bottom end of the wall body, the top end of the U-shaped plate (10) penetrates through two ends of the supporting frame (9), the supporting spring (11) is sleeved on the top end of the U-shaped plate (10), the bottom end of the supporting spring (11) is attached to the upper wall surface of the supporting frame (9), and the limiting plate (12) is fixedly installed at the top end of the U-shaped plate (10).

3. The auxiliary lifting device for the laboratory ventilation duct according to claim 1, wherein the connecting assembly comprises: the connecting structure comprises a first connecting plate (13), a second connecting plate (14) and a plurality of threaded assemblies (15) with the same structure;

the first connecting plate (13) is fixedly arranged at the bottom end of the ventilation pipe (1), the second connecting plate (14) is fixedly arranged at the top end of the telescopic pipe (2) and attached to the lower wall surface of the first connecting plate (13), and the plurality of threaded components (15) are fixedly arranged at the joint of the first connecting plate (13) and the second connecting plate (14).

4. The auxiliary lifting device for the laboratory ventilation duct is characterized in that an air suction hood (16) is arranged at the bottom end of the shell (3), and the air suction hood (16) is of a circular cavity structure without a lower wall surface.

5. The auxiliary lifting device for the laboratory ventilation duct is characterized in that a pair of telescopic rods (17) with the same structure is arranged at the bottom end of the connecting assembly, the bottom ends of the pair of telescopic rods (17) are fixedly arranged on the lower wall surface of the connecting assembly, and the telescopic ends of the pair of telescopic rods (17) are fixedly connected with the upper wall surface of the supporting plate (7).

6. The auxiliary lifting device for the laboratory ventilation duct according to claim 3, wherein the supporting plate (7) is a circular plate-shaped structure, a pair of connecting blocks with the same structure is arranged at the top end of the supporting plate (7), the first connecting plate (13) and the second connecting plate (14) are both circular plate-shaped structures, a plurality of circular through holes with the same structure are arranged on the first connecting plate (13) and the second connecting plate (14), and the outer diameter of the second connecting plate (14) is larger than that of the first connecting plate (13).