CN219281845U

CN219281845U - Double-wall pipe ventilation device with anti-blocking function

Info

Publication number: CN219281845U
Application number: CN202320621416.XU
Authority: CN
Inventors: 房威; 陈恒亮
Original assignee: Nantong Shunyu Shipbuilding Technology Co ltd
Current assignee: Nantong Shunyu Shipbuilding Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-06-30
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a double-wall pipe ventilation device with an anti-blocking function, which comprises an inner pipe, an outer pipe, a connecting flange, square pipes, a driving motor and a fan, wherein the inner pipe is arranged in the outer pipe, the connecting flanges are symmetrically arranged at two ends of the outer pipe, the two ends of the inner pipe are respectively and fixedly arranged on the connecting flange, the square pipes are arranged at the outer side of the outer pipe, the driving motor and the fan are arranged in the square pipes, the driving motor is connected with the fan, supporting plates are symmetrically and fixedly arranged at the upper end and the lower end of the inside of the square pipes, and the other ends of the supporting plates are fixedly arranged on the driving motor. According to the utility model, the fan can be driven to rotate through the operation of the driving motor, so that flowing air is driven to enter the space between the inner tube and the outer tube, the gear II can be driven to rotate through the gear II, the deflector rod is driven to move so as to push the T-shaped rod to move, and the scraper rod can be conveniently moved and reset through the elasticity of the spring so as to clean the filter screen plate again.

Description

Double-wall pipe ventilation device with anti-blocking function

Technical Field

The utility model relates to the technical field of double-wall pipe ventilation, in particular to a double-wall pipe ventilation device with an anti-blocking function.

Background

The gas supply pipe of the marine dual-fuel engine adopts a double-wall pipeline, and ventilation is carried out through the space between the inner pipe and the outer pipe, so that leaked gas can be evacuated in time, and the use safety of the gas supply pipe is improved.

Through the retrieval, chinese patent with publication number CN209026340U discloses a double-walled pipe with ventilation function, has guaranteed double-walled pipe's ventilation function through the space between the outer tube in the double-walled pipe, however lacks anti-blocking function, causes external impurity to get into between the outer tube in easily, causes the jam in the space between the outer tube in, and then has reduced double-walled pipe's ventilation effect.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a double-wall pipe ventilation device with an anti-blocking function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a double-walled pipe ventilation unit with prevent stifled function, includes inner tube, outer tube, flange, square tube, driving motor and fan, outer tube internally mounted has the inner tube, flange is installed to outer tube both ends symmetry, inner tube both ends respectively fixed mounting is on flange, square tube is installed in the outer tube outside, and square tube internally mounted has driving motor and fan, and driving motor and fan are connected, both ends symmetry fixed mounting has the backup pad about the square tube is inside, and backup pad other end fixed mounting is on driving motor, the backup pad is close to fan one end and rotates installs the pivot, install gear two on the annular side of pivot, install gear one on the driving motor output shaft, both ends symmetry rotation is installed the dwang about the square tube, outer tube one end symmetry slidable mounting is kept away from to the square tube, the dwang is connected with the scraping the pole through the stay cord, both ends symmetry slidable mounting has the filter screen plate about the square tube is kept away from to square tube one end, fixed mounting driving lever on the annular side, both ends symmetry slidable mounting has T shaped bar about the square tube inside, and T shaped tube passes mutually laminating with T shaped tube one end.

Furthermore, square frame is installed at square pipe both ends symmetry fixed mounting, and square frame inside fixed mounting has the guide arm, slidable mounting has the slider on the guide arm, and the slider is connected with the scraper bar through L type piece.

Furthermore, two springs are symmetrically arranged on the outer side of the guide rod, and two ends of each spring are respectively and fixedly arranged on the sliding block and the inner wall of the square frame.

Further, two fixed blocks are symmetrically and fixedly installed at the upper end and the lower end of the square pipe, a fixed pin is fixedly installed between the two fixed blocks, and a rotating rod is rotatably installed on the annular side face of the fixed pin.

Further, a torsion spring is fixedly arranged on the annular side face of the fixing pin, and the outer side of the torsion spring is fixedly arranged inside the rotating rod.

Further, square through-holes have been seted up to both ends symmetry about the square tube, and square through-hole inside slidable mounting has T type pole, square through-hole inside fixed mounting has the square, the logical groove has been seted up on the T type pole, and the square is installed at logical inslot portion.

Further, more than two air outlet holes are uniformly formed in the annular side face of the outer tube, and a filter screen ring is arranged on the annular side face of the outer tube.

Further, a groove is formed in one end, far away from the rotating pin, of the deflector rod, and a rotating roller is rotatably arranged in the groove.

The beneficial effects of the utility model are as follows:

1. the driving motor works to drive the fan to rotate, so that flowing air is driven to enter the space between the inner tube and the outer tube, the driving motor works to drive the fan to work, so that air is driven to flow, outside air enters the square tube through the filter screen plate, flowing ventilation enters between the outer tube and the inner tube, and then flows out through the air outlet holes, so that gas exposed from the inner tube is conveniently evacuated.

2. The gear I drives the gear II to rotate, and then drives the driving lever to move and promote the T-shaped rod to move, and the driving motor drives the gear I to rotate in the working process, and because the gear I is meshed with the gear II, the gear I rotates to drive the gear II to rotate, the rotating pin rotates to drive the driving lever to move along with the movement, the driving lever moves to push the T-shaped rod to move, the T-shaped rod moves to push the driving lever to rotate around the fixed pin and extrude the torsion spring, so that the torsion spring generates torsion force, the driving lever rotates to pull the scraping lever to move through the stay cord, and the scraping lever moves to clear the surface of the filter screen plate.

3. The scraper rod is convenient to move and reset through the elasticity of the spring to clear up the filter screen plate again, the slider is driven to move along the guide rod in the scraper rod moving process, the slider moves to squeeze the spring, the spring generates elasticity, when the driving lever pushes the T-shaped rod to the highest position, the rotating pin continuously rotates to drive the driving lever to move and separate from the T-shaped rod, under the torsion force of the torsion spring, the rotating lever rotates and resets to push the T-shaped rod to move downwards, and under the action of the spring elasticity, the scraper rod moves and resets to clear up the filter screen plate again.

Drawings

Fig. 1 is a schematic perspective view of a double-wall pipe ventilation device with anti-blocking function according to the present utility model;

FIG. 2 is a schematic view of a double-wall pipe ventilation device with anti-blocking function according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a square tube of a double-wall tube ventilation device with anti-blocking function according to the present utility model;

fig. 4 is a schematic diagram of a partial enlarged structure of a double-wall pipe ventilation device with anti-blocking function according to the present utility model.

In the figure: 1. an inner tube; 2. an outer tube; 3. a connecting flange; 4. square tube; 5. an air outlet hole; 6. a filter screen ring; 7. a driving motor; 8. a fan; 9. a support plate; 10. a filter screen plate; 11. a rotation pin; 12. a first gear; 13. a second gear; 14. a deflector rod; 15. a T-shaped rod; 16. a rotating lever; 17. a pull rope; 18. a scraping rod; 19. a fixed block; 20. a fixing pin; 21. a torsion spring; 22. a square frame; 23. a guide rod; 24. a slide block; 25. a spring; 26. and (5) square blocks.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-4, a double-wall pipe ventilation device with anti-blocking function comprises an inner pipe 1, an outer pipe 2, a connecting flange 3, a square pipe 4, a driving motor 7 and a fan 8, wherein the inner pipe 1 is installed in the outer pipe 2, the design of the outer pipe 2 prevents gas from leaking and diffusing from the inner pipe 1, the connecting flange 3 is symmetrically installed at two ends of the outer pipe 2, the connecting flange 3 is designed to facilitate the connection and use of the double-wall pipe, two ends of the inner pipe 1 are respectively and fixedly installed on the connecting flange 3, the square pipe 4 is installed at the outer side of the outer pipe 2, one end of the square pipe 4 penetrates through the outer pipe 2 and extends into a space between the outer pipe 2 and the inner pipe 1, the driving motor 7 and the fan 8 are installed in the square pipe 4, the driving motor 7 is connected with the fan 8, the driving motor 7 and the fan 8 are designed to facilitate the gas to flow, and further evacuate the leaked gas, the upper end and the lower end of the inside of the square tube 4 are symmetrically welded with a supporting plate 9, the other end of the supporting plate 9 is arranged on a driving motor 7 through a screw, the design of the supporting plate 9 is convenient for the installation of the driving motor 7, one end of the supporting plate 9, which is close to a fan 8, is rotationally provided with a rotating pin 11 through a bearing, the annular side surface of the rotating pin 11 is provided with a gear II 13 through a key connection, the output shaft of the driving motor 7 is provided with a gear I12 through a key connection, the gear I12 is meshed with the gear II 13, the diameter of the gear I12 is smaller than that of the gear II 13, the rotating speed of the rotating pin 11 is further reduced, the upper end and the lower end of the square tube 4 are symmetrically rotationally provided with rotating rods 16, one end of the square tube 4, which is far away from the outer tube 2, is symmetrically and slidingly provided with two scraping rods 18, the rotating rods 16 are connected with the scraping rods 18 through pull ropes (17), the rotating rods 16 rotationally pull the scraping rods 18 through the pull ropes 17, the filter screen plate 10 is installed to square tube 4 one end of keeping away from outer tube 2, the design of filter screen plate 10 is convenient for filter the inside air of getting into outer tube 2, scrape pole 18 one end and filter screen plate 10 laminating mutually, scrape pole 18 removal and be convenient for clear up the impurity of adhering to on filter screen plate 10, the welding has driving lever 14 on the round pin 11 annular side, square tube 4 inside upper and lower both ends symmetry slidable mounting has T type pole 15, driving lever 14 one end and T type pole 15 laminating mutually, driving lever 14 follows driving lever 11 rotation in-process and promotes T type pole 15 and go on, and T type pole 15 one end passes square tube 4 and laminates mutually with dwang 16, T type pole 15 removal is convenient for promote dwang 16 rotation.

In the utility model, it should be noted that two ends of the square tube 4 are symmetrically welded with the square frame 22, the inside of the square frame 22 is provided with the guide rod 23 through the screw, the guide rod 23 is slidably provided with the slide block 24, the slide block 24 is connected with the scraping rod 18 through the L-shaped block, the design of the guide rod 23 and the slide block 24 is convenient for the sliding installation of the scraping rod 18, two springs 25 are symmetrically assembled outside the guide rod 23, two ends of the springs 25 are respectively welded on the slide block 24 and the inner wall of the square frame 22, the design of the springs 25 is convenient for the moving reset of the scraping rod 18, two fixed blocks 19 are symmetrically welded at the upper end and the lower end of the square tube 4, a fixed pin 20 is installed between the two fixed blocks 19 through the screw, the annular side face of the fixed pin 20 is rotatably provided with the rotating rod 16, the annular side face of the fixed pin 20 is conveniently rotatably provided with the torsion spring 21, the outer side face of the torsion spring 21 is welded inside the rotating rod 16, and the design of the torsion spring 21 is convenient for the rotating reset of the rotating rod 16.

In particular, square through-hole has been processed to both ends symmetry about square pipe 4, and square through-hole inside slidable mounting has T type pole 15, square through-hole inside has square 26 through the screw installation, processing has logical groove on the T type pole 15, and square 26 installs inside logical groove, this design is convenient for T type pole 15 slidable mounting is inside square pipe 4, evenly set up more than two ventholes 5 on the outer tube 2 annular side, the gaseous discharge in the space between inner tube 1 and outer tube 2 is convenient for in the design of venthole 5, and then be convenient for the air current flows between inner tube 1 and outer tube 2, install filter screen ring 6 on the outer tube 2 annular side, and filter screen ring 6 covers venthole 5, and then avoid impurity in the outside air to get into the inside problem that causes the jam of outer tube 2 through venthole 5, driving lever 14 is kept away from the processing of rotation round pin 11 one end, and the inside rotation of recess installs the rotor, the frictional force between driving lever 14 and the T type pole 15 has been reduced in the design of rotor.

Working principle: when the double-wall pipeline needs to be ventilated, the driving motor 7 is started, the driving motor 7 works to drive the fan 8 to work, air is driven to flow, external air enters the square pipe 4 through the filter screen plate 10, flowing ventilation enters the space between the outer pipe 2 and the inner pipe 1, and then flows out through the air outlet 5, so that the gas leaked from the inner pipe 1 can be evacuated, the first gear 12 is driven to rotate in the working process of the driving motor 7, the first gear 12 and the second gear 13 are meshed, so that the first gear 12 rotates to drive the second gear 13 to rotate, the rotating pin 11 is driven to rotate, the diameter of the first gear 12 is smaller than the diameter of the second gear 13, the rotating speed of the rotating pin 11 is smaller than the rotating speed of the driving motor 7, the rotating pin 11 rotates to drive the deflector rod 14 to follow the movement, the deflector rod 14 moves to push the T-shaped rod 15, the T-shaped rod 15 moves to push the rotating rod 16 to rotate around the fixed pin 20, the torsion spring 21 is extruded, the torsion spring 21 generates torsion, the rotating rod 16 moves to drive the deflector rod 18 to clear the surface of the filter screen plate 10, the first gear 12 is meshed with the second gear 13, the first gear 12 rotates to drive the second gear 13, the rotating rod 13 rotates to drive the deflector rod 24 moves along the deflector rod 24 to move the T-shaped rod 25 to push the T-shaped rod 25, the rotating rod 25 moves under the action of the reset rod 25, and the action of the reset rod 25 moves the deflector rod 25 moves under the action of the deflector rod 25, and the action of the deflector rod 25 continues to rotate, and the action of the torsion spring is pushed under the action of the torsion.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components.

Claims

1. The utility model provides a double-walled pipe ventilation unit with prevent stifled function, includes inner tube (1), outer tube (2), flange (3), square tube (4), driving motor (7) and fan (8), outer tube (2) internally mounted has inner tube (1), flange (3) are installed to outer tube (2) both ends symmetry, inner tube (1) both ends respectively fixed mounting are on flange (3), square tube (4) are installed in outer tube (2) outside, and square tube (4) internally mounted has driving motor (7) and fan (8), and driving motor (7) and fan (8) are connected, a serial communication port, both ends symmetry fixed mounting has backup pad (9) about square tube (4) inside, and backup pad (9) other end fixed mounting is on driving motor (7), backup pad (9) are close to fan (8) one end and rotate and install rotation round pin (11), install gear two (13) on the annular side of rotation round pin (11), install gear one (12) on driving motor (7) output shaft, upper and lower both ends symmetry (16) are kept away from in driving motor (7) rotation end, two side-to-end symmetry scraper bar (16), the utility model discloses a scraper blade, including outer tube (2), filter screen (10), filter pin (11), dwang (16), stay cord (17) are passed through to dwang (16) and are connected with scraper blade (18), square tube (4) are kept away from outer tube (2) one end and are installed filter screen (10), fixed mounting has driving lever (14) on the annular side of dwang (11), inside upper and lower both ends symmetry slidable mounting of square tube (4) has T type pole (15), and laminating mutually with dwang (16) are passed square tube (4) to T type pole (15) one end.

2. The double-wall pipe ventilation device with the anti-blocking function according to claim 1, wherein square frames (22) are symmetrically and fixedly arranged at two ends of the square pipe (4), guide rods (23) are fixedly arranged inside the square frames (22), sliding blocks (24) are slidably arranged on the guide rods (23), and the sliding blocks (24) are connected with scraping rods (18) through L-shaped blocks.

3. The double-wall pipe ventilation device with the anti-blocking function according to claim 2, wherein two springs (25) are symmetrically arranged on the outer side of the guide rod (23), and two ends of each spring (25) are fixedly arranged on the sliding block (24) and the inner wall of the square frame (22).

4. The double-wall pipe ventilation device with the anti-blocking function according to claim 1, wherein two fixing blocks (19) are symmetrically and fixedly arranged at the upper end and the lower end of the square pipe (4), a fixing pin (20) is fixedly arranged between the two fixing blocks (19), and a rotating rod (16) is rotatably arranged on the annular side surface of the fixing pin (20).

5. The double-wall pipe ventilation device with the anti-blocking function according to claim 4, wherein a torsion spring (21) is fixedly arranged on the annular side surface of the fixing pin (20), and the outer side of the torsion spring (21) is fixedly arranged inside the rotating rod (16).

6. The double-wall pipe ventilation device with the anti-blocking function according to claim 1, wherein square through holes are symmetrically formed in the upper end and the lower end of the square pipe (4), T-shaped rods (15) are slidably mounted in the square through holes, square blocks (26) are fixedly mounted in the square through holes, through grooves are formed in the T-shaped rods (15), and the square blocks (26) are mounted in the through grooves.

7. The double-wall pipe ventilation device with the anti-blocking function according to claim 1, wherein more than two air outlet holes (5) are uniformly formed in the annular side face of the outer pipe (2), and a filter screen ring (6) is installed on the annular side face of the outer pipe (2).

8. The double-wall pipe ventilation device with the anti-blocking function according to claim 1, wherein a groove is formed in one end, away from the rotating pin (11), of the deflector rod (14), and a rotating roller is rotatably mounted in the groove.