CN213334877U

CN213334877U - Ventilating duct convenient to overhaul

Info

Publication number: CN213334877U
Application number: CN202022250082.9U
Authority: CN
Inventors: 戢泽晗; 丁琦; 武强; 张宁
Original assignee: Jilin Railway Survey & Design Institute Co ltd
Current assignee: Jilin Railway Survey & Design Institute Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-01
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an air pipe convenient to overhaul, include: go up ventilation pipe, lower ventilation pipe, servo motor and convulsions impeller, wherein, go up ventilation pipe and one side of lower ventilation pipe and pass through the round pin axle and articulate, an extension section is all connected to the opposite side, the tip correspondence of extension section is provided with the half thread lead screw, goes up the ventilation pipe and can correspond the lock with lower ventilation pipe, when last ventilation pipe and lower ventilation pipe lock, go up the ventilation pipe and form a screw thread lead screw with the half thread lead screw of lower ventilation pipe, and twist through the nut and close, servo motor is fixed in the lower part of the extension section of lower ventilation pipe, and its output shaft stretches into in the extension section, the convulsions impeller rotates through the axostylus axostyle and is fixed in the upper port department of lower ventilation pipe, equal fixedly connected with belt pulley on axostylus axostyle. This air pipe convenient to overhaul is rational in infrastructure, and convenient to overhaul, convenient to detach and clearance.

Description

Ventilating duct convenient to overhaul

Technical Field

The utility model relates to a ventilation technology field provides an air pipe convenient to overhaul very much.

Background

Currently, the main functions of the heating, ventilating and air conditioning include: the heating, ventilation and air conditioning system is an important branch subject in the field of mechanical engineering, can control the temperature and humidity of air, improves the indoor comfort level, and is an important ring in medium and large industrial buildings or office buildings.

Current warm idle call ventilation unit that leads to generally sets up the fan in air pipe, and the later stage of being inconvenient for overhauls, and in addition, current ventilation unit formula structure as an organic whole is not convenient for clear up.

Therefore, it is an urgent problem to provide a ventilation duct with a reasonable structure and convenient maintenance.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an air pipe convenient to overhaul to it is unreasonable to solve current air pipe structure, the problem of the maintenance of not being convenient for.

The utility model provides a technical scheme is: an easy-to-service ventilation duct comprising: the air-conditioning unit comprises an upper ventilating pipe, a lower ventilating pipe, a servo motor and an air draft impeller, wherein one side of the upper ventilating pipe and one side of the lower ventilating pipe are hinged through a pin shaft, the other sides of the upper ventilating pipe and the lower ventilating pipe are connected with an extension section, the end part of the extension section is correspondingly provided with a half-thread screw rod, the upper vent pipe and the lower vent pipe can be correspondingly buckled, the lower opening of the lower vent pipe is an air inlet, the upper opening of the upper vent pipe is an air outlet, when the upper ventilating pipe is buckled with the lower ventilating pipe, the half-thread lead screw of the upper ventilating pipe and the half-thread lead screw of the lower ventilating pipe form a thread lead screw, and is screwed through a nut, the servo motor is fixed at the lower part of the extension section of the lower vent pipe, and the output shaft of the air draft impeller extends into the extension section, the air draft impeller is rotationally fixed at the upper opening of the lower vent pipe through a shaft lever, the output shafts of the shaft lever and the servo motor are fixedly connected with belt pulleys, and the two belt pulleys are connected through a belt in a transmission mode.

Preferably, the two pulleys are horizontally aligned.

Preferably, a cross rod is fixedly connected to the upper opening of the lower ventilation pipe, a bearing is vertically arranged in the middle of the cross rod, and the shaft rod is fixedly inserted into the bearing.

Further preferably, an air filter element is fixedly arranged at the lower opening of the lower vent pipe.

Preferably, the lower opening of the lower ventilation pipe is in threaded connection with an external threaded pipe, the inner wall of the lower opening of the lower ventilation pipe is fixedly connected with a circle of platform, and the air filter element is clamped between the upper part of the external threaded pipe and the circle of platform.

Further preferably, the lower part of the external thread pipe is provided with a circle of lower edge matched with the lower vent pipe.

Preferably, a sealing rubber pad is fixedly arranged on the connecting surface of the lower vent pipe and the upper vent pipe.

The utility model provides an air pipe convenient to overhaul through the outside that is fixed in air pipe with servo motor, can guarantee the convenience that later stage overhauld, in addition, goes up ventilation pipe and lower ventilation pipe one end articulated, and the other end passes through the nut to be connected, and convenient to detach is convenient for clear up air pipe's inside.

The utility model provides an air pipe convenient to overhaul, rational in infrastructure, convenient to overhaul, convenient to detach and clearance.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments:

fig. 1 is a sectional view of the ventilating duct convenient for maintenance provided by the present invention;

fig. 2 is an external structural schematic view of the ventilating duct convenient for maintenance provided by the present invention;

FIG. 3 is a top view of the lower vent tube;

fig. 4 is a schematic structural view of the male screw pipe.

In the figure: 1. a lower vent pipe; 2. a pin shaft; 3. an upper vent pipe; 4. an air draft impeller; 5. a cross bar; 6. a bearing; 7. an externally threaded tube; 8. an air filter element; 9. looping; 10. a shaft lever; 11. a servo motor; 12. a nut; 13. a half-thread lead screw; 14. a belt pulley; 15. sealing the rubber pad; 16. a belt.

Detailed Description

The invention will be further explained below with reference to specific embodiments, without limiting the invention.

As shown in fig. 1 to 3, the utility model provides a ventilation pipe convenient to overhaul, include: the air draft fan comprises an upper vent pipe 3, a lower vent pipe 1, a servo motor 11 and an air draft impeller 4, wherein one side of the upper vent pipe 3 and one side of the lower vent pipe 1 are hinged through a pin shaft 2, the other side of the upper vent pipe 3 and the other side of the lower vent pipe 1 are connected with an extension section, a half-thread screw 13 is correspondingly arranged at the end part of the extension section, the upper vent pipe 3 and the lower vent pipe 1 can be correspondingly buckled, the lower opening of the lower vent pipe 1 is an air inlet, the upper opening of the upper vent pipe 3 is an air outlet, when the upper vent pipe 3 and the lower vent pipe 1 are buckled, the half-thread screw 13 of the upper vent pipe 3 and the half-thread screw 13 of the lower vent pipe 1 form a thread screw and are screwed through a nut 12, the servo motor 11 is fixed at the lower part of the extension section of the lower vent pipe 1, an output shaft of the servo motor extends into the, the two pulleys 14 are drivingly connected by a belt 16.

The use method of the ventilating duct convenient to overhaul comprises the following steps: servo motor circular telegram, servo motor's output shaft rotates, and then drives the convulsions impeller rotation of being connected with the axostylus axostyle through belt pulley and belt, carries out convulsions, through being fixed in servo motor ventilation pipe's outside, can guarantee the convenience that later stage was overhauld, in addition, it is articulated with lower ventilation pipe one end to go up the ventilation pipe, and the other end passes through the nut and connects, convenient to detach, the inside of the ventilation pipe of being convenient for clear up.

As a modification of the solution, as shown in fig. 1, two pulleys 14 are horizontally aligned.

As an improvement of the technical scheme, as shown in fig. 1 and 3, a cross bar 5 is fixedly connected to an upper opening of the lower vent pipe 1, a bearing 6 is vertically arranged in the middle of the cross bar 5, and the shaft rod 10 is fixedly inserted into the bearing 6.

As an improvement of the technical scheme, as shown in fig. 1, an air filter element 8 is fixedly arranged at a lower opening of the lower vent pipe 1 and used for filtering an air source entering the lower vent pipe, so that the stability of air outlet of the vent pipe is ensured not to be interfered by dust blockage.

In order to facilitate replacement of the air filter element, as an improvement of the technical scheme, as shown in fig. 1, a lower opening of the lower vent pipe 1 is in threaded connection with an external threaded pipe 7, the inner wall of the lower opening of the lower vent pipe 1 is also fixedly connected with a ring table 9, and the air filter element 8 is clamped between the upper part of the external threaded pipe 7 and the ring table 9.

As a technical improvement, as shown in figure 4, the lower part of the external thread pipe 7 is provided with a circle of lower edges 71 matched with the lower ventilation pipe 1.

As an improvement of the technical solution, as shown in fig. 3, a sealing rubber gasket 15 is fixedly arranged on a connecting surface of the lower vent pipe 1 and the upper vent pipe 3 to ensure that a sealing effect is achieved when the upper vent pipe and the lower vent pipe are closed.

The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a ventilation pipe convenient to overhaul which characterized in that includes: go up ventilation pipe (3), ventilation pipe (1) down, servo motor (11) and convulsions impeller (4), wherein, go up ventilation pipe (3) and one side of ventilation pipe (1) down and articulate through round pin axle (2), an extension section is all connected to the opposite side, the tip correspondence of extension section is provided with half thread lead screw (13), goes up ventilation pipe (3) and can correspond the lock with ventilation pipe (1) down, and the end opening of ventilation pipe (1) down is the air intake, and the end opening of going up ventilation pipe (3) is the air outlet, and when going up ventilation pipe (3) and ventilation pipe (1) lock down, a screw thread lead screw is constituteed with half thread lead screw (13) of ventilation pipe (1) down to go up ventilation pipe (3), and twist through nut (12) and close, servo motor (11) are fixed in the lower part of the extension section of ventilation pipe (1) down, and its output shaft stretches into in the extension section, the ventilation device is characterized in that the ventilation impeller (4) is rotationally fixed at the upper opening of the lower ventilation pipe (1) through a shaft lever (10), belt pulleys (14) are fixedly connected to the output shafts of the shaft lever (10) and the servo motor (11), and the two belt pulleys (14) are connected through a belt (16) in a transmission mode.

2. A ventilation duct facilitating maintenance according to claim 1, characterized in that: the two pulleys (14) are horizontally aligned.

3. A ventilation duct facilitating maintenance according to claim 1, characterized in that: the upper opening of the lower ventilation pipe (1) is fixedly connected with a cross rod (5), the middle of the cross rod (5) is vertically provided with a bearing (6), and the shaft rod (10) is fixedly inserted in the bearing (6).

4. A ventilation duct facilitating maintenance according to claim 1, characterized in that: an air filter element (8) is fixedly arranged at the lower opening of the lower ventilating pipe (1).

5. An easy-to-service ventilation duct according to claim 4, characterized in that: the lower opening of the lower ventilation pipe (1) is in threaded connection with an external threaded pipe (7), the inner wall of the lower opening of the lower ventilation pipe (1) is fixedly connected with a circle of platform (9), and the air filter element (8) is clamped between the upper part of the external threaded pipe (7) and the circle of platform (9).

6. An easy-to-service ventilation duct according to claim 5, characterized in that: the lower part of the external thread pipe (7) is provided with a circle of lower edge (71) matched with the lower ventilation pipe (1).

7. A ventilation duct facilitating maintenance according to claim 1, characterized in that: and a sealing rubber pad (15) is fixedly arranged on the connecting surface of the lower ventilating pipe (1) and the upper ventilating pipe (3).