CN213162367U

CN213162367U - Laboratory is with scalable exhaust hood support

Info

Publication number: CN213162367U
Application number: CN202021946481.2U
Authority: CN
Inventors: 陈晓华
Original assignee: Shanghai Andi Laboratory System Engineering Co ltd
Current assignee: Shanghai Andi Laboratory System Engineering Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-11
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a laboratory is with scalable exhaust hood support belongs to laboratory equipment field, relates to exhaust hood support, including lower breather pipe, breather pipe outer wall department sliding connection has one to go up the breather pipe down, go up breather pipe side fixedly connected with gas vent, go up a breather pipe top fixedly connected with upper fixed plate, down the breather pipe along both sides pipe wall length direction threaded connection respectively, go up breather pipe side fixedly connected with motor, it is connected with an axostylus axostyle to go up the rotation of breather pipe side, the pivot fixed connection of motor is on the axostylus axostyle, go up the inside fixedly connected with one backup pad that is located between axostylus axostyle and the gas vent of breather pipe, the backup pad rotates with the threaded. This laboratory is with scalable exhaust hood support passes through the setting of motor, axostylus axostyle, threaded rod, bevel gear, thrust ball bearing, backup pad, screw hole, nut, can realize the regulation of the upper and lower height of exhaust hood.

Description

Laboratory is with scalable exhaust hood support

Technical Field

The utility model belongs to laboratory paraphernalia field relates to the extraction hood support, specifically is a laboratory is with scalable extraction hood support.

Background

The exhaust hood can be used for timely exhausting poisonous and harmful gas, heat and the like generated in the experiment outdoors, is one of necessary experimental devices in a laboratory, and can effectively ensure the physical health of experimenters. The pumping hood is widely used because it has a function of rotatably absorbing gas in multiple directions. Traditional laboratory is with the cover of bleeding is fixed usually in the wall body, and to want height-adjusting from top to bottom, need the manual regulation cover support of bleeding, general cover support of bleeding is still fixed in the eminence, and is very inconvenient to manual regulation, consequently, the utility model provides a laboratory is with scalable cover support of bleeding to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory is with scalable air exhaust cover support through the setting of motor, axostylus axostyle, threaded rod, conical gear, thrust ball bearing, backup pad, screw hole, nut, can make the laboratory of fixing at the eminence with scalable air exhaust cover support, the regulation of height about realizing compares in manual regulation height from top to bottom, has liberated the manpower greatly, has improved security and work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a retractable exhaust hood support for a laboratory comprises a lower vent pipe, an upper vent pipe is connected with the outer wall of the lower vent pipe in a sliding way, the side surface of the upper vent pipe is fixedly connected with an exhaust port, the top of the upper vent pipe is fixedly connected with an upper fixing plate, the lower vent pipe is respectively in threaded connection with a threaded rod along the length direction of the pipe walls at the two sides, the top parts of the two threaded rods are respectively and fixedly connected with a first conical gear, the side surface of the upper breather pipe is fixedly connected with a motor, a shaft lever is connected between the two side surfaces of the upper breather pipe in a penetrating and rotating way, the rotating shaft of the motor is fixedly connected with the shaft lever, the inner part of the upper breather pipe is fixedly connected with a supporting plate positioned between the shaft lever and the exhaust port, the supporting plate is rotatably connected with the threaded rod, two second bevel gears are fixedly mounted on the shaft rod, and the two second bevel gears are meshed with the corresponding first bevel gears respectively.

Furthermore, the lower vent pipe is provided with a threaded hole in the pipe wall along the length direction, and the lower vent pipe is in threaded connection with the corresponding threaded rod through the threaded hole; the control motor drives the axostylus axostyle and rotates, and the axostylus axostyle drives two threaded rods synchronous rotation through intermeshing's conical gear's cooperation, and the rethread screw hole drives down the breather pipe and reciprocates, and then can carry out the regulation of height from top to bottom.

Furthermore, nuts are fixedly connected to the inner walls of the two sides of the lower vent pipe along the length direction, and the lower vent pipe is in threaded connection with the corresponding threaded rod through the nuts; the control motor drives the axostylus axostyle and rotates, and the axostylus axostyle drives two threaded rods synchronous rotation through intermeshing's conical gear's cooperation, and the rethread nut drives down the breather pipe and reciprocates, and then can carry out the regulation of height from top to bottom.

Furthermore, the top of the supporting plate is fixedly connected with two thrust ball bearings, and the supporting plate is rotatably connected with corresponding threaded rods through the thrust ball bearings; the thrust ball bearing can bear axial load, can make the threaded rod fixed from top to bottom, can make the threaded rod rotate again simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: this laboratory is with scalable cover support of bleeding through the control of motor, realizes the regulation of the height from top to bottom of the cover of bleeding, compares in the mode of height from top to bottom of manual regulation, has liberated the manpower greatly, has improved security and work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a front cross-sectional view of an embodiment of the present invention;

fig. 6 is an enlarged view of a structure at a position a in the front cross-sectional view of the present invention;

fig. 7 is a front cross-sectional view of another embodiment of the present invention.

In the figure: 1. a lower vent pipe; 101. a threaded hole; 102. a nut; 2. an upper vent pipe; 3. an exhaust port; 4. a shaft lever; 5. a motor; 6. an upper fixing plate; 7. a threaded rod; 8. a first bevel gear; 9. a second bevel gear; 10. a support plate; 11. a thrust ball bearing.

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.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a laboratory is with scalable exhaust hood support, including breather pipe 1 down, 1 outer wall department sliding connection of breather pipe has one to go up breather pipe 2, go up 2 side fixedly connected with gas vents 3 of breather pipe, go up 2 top fixedly connected with fixed plate 6 of breather pipe, breather pipe 1 has a threaded rod 7 along both sides pipe wall length direction difference threaded connection down, a first conical gear 8 of fixedly connected with is respectively gone up at 7 tops of threaded rod, go up 2 side fixedly connected with motors 5 of breather pipe, it is connected with a axostylus axostyle 4 to go up to run through between 2 both sides faces of breather pipe, motor 5's pivot fixed connection is on axostylus axostyle 4, go up 2 inside fixedly connected with one backup pad 10 that lie in between axostylus axostyle 4 and the gas vent 3 of breather pipe, backup pad 10 rotates with threaded rod 7 to be connected.

Lower breather pipe 1 is provided with screw hole 101 along length direction in the pipe wall, breather pipe 1 passes through screw hole 101 threaded connection with corresponding threaded rod 7 down, two thrust ball bearing 11 of backup pad 10 top fixedly connected with, backup pad 10 rotates through thrust ball bearing 11 and connects corresponding threaded rod 7, the direction of rotation of axostylus axostyle 4 is controlled through motor 5, rethread intermeshing's first conical gear 8 and second conical gear 9's cooperation, control threaded rod 7 synchronous rotation, rethread screw hole 101's cooperation drives down the reciprocating of breather pipe 1, and then realize the regulation of height about the suction hood, compare in the mode of height about manual regulation, the manpower has been liberated greatly, security and work efficiency have been improved.

Example two:

please refer to fig. 7, the lower vent pipe 1 is fixedly connected with nuts 102 along the length direction on the inner walls of the two sides, the lower vent pipe 1 is in threaded connection with the corresponding threaded rod 7 through the nuts 102, the rotation direction of the shaft lever 4 is controlled through the motor 5, the threaded rod 7 is controlled to rotate synchronously through the cooperation of the first bevel gear 8 and the second bevel gear 9 which are meshed with each other, the lower vent pipe 1 is driven to move up and down through the cooperation of the nuts 102, and further the adjustment of the upper height and the lower height of the air suction cover is realized.

The working principle is as follows: this laboratory is with scalable suction hood support comes control shaft lever 4's rotation direction through motor 5, and the cooperation of rethread intermeshing's first conical gear 8 and second conical gear 9, control threaded rod 7 synchronous rotation, the reciprocating of breather pipe 1 under the cooperation drive of rethread screw hole 101 or nut 102, and then the regulation of height about the realization suction hood.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 with scalable exhaust hood support, includes breather pipe (1) down, breather pipe (1) outer wall department sliding connection has one to go up breather pipe (2), go up breather pipe (2) side fixedly connected with gas vent (3), go up breather pipe (2) top fixedly connected with one upper fixed plate (6), its characterized in that:

the lower vent pipe (1) is respectively in threaded connection with a threaded rod (7) along the length direction of pipe walls on two sides, and the tops of the two threaded rods (7) are respectively and fixedly connected with a first bevel gear (8);

the side surface of the upper vent pipe (2) is fixedly connected with a motor (5), a shaft lever (4) is connected between the two side surfaces of the upper vent pipe (2) in a penetrating and rotating manner, and a rotating shaft of the motor (5) is fixedly connected to the shaft lever (4);

a support plate (10) positioned between the shaft lever (4) and the exhaust port (3) is fixedly connected inside the upper vent pipe (2);

the supporting plate (10) is rotatably connected with the threaded rod (7), two second bevel gears (9) are fixedly mounted on the shaft rod (4), and the two second bevel gears (9) are meshed with the corresponding first bevel gears (8) respectively.

2. The laboratory is with scalable exhaust hood support of claim 1, characterized in that: the lower vent pipe (1) is provided with a threaded hole (101) in the pipe wall along the length direction, and the lower vent pipe (1) is in threaded connection with the corresponding threaded rod (7) through the threaded hole (101).

3. The laboratory is with scalable exhaust hood support of claim 1, characterized in that: the lower vent pipe (1) is fixedly connected with nuts (102) on the inner walls of the two sides along the length direction, and the lower vent pipe (1) is in threaded connection with the corresponding threaded rod (7) through the nuts (102).

4. The laboratory is with scalable exhaust hood support of claim 1, characterized in that: two thrust ball bearings (11) are fixedly connected to the top of the supporting plate (10), and the supporting plate (10) is rotatably connected with the corresponding threaded rod (7) through the thrust ball bearings (11).