CN213628924U

CN213628924U - Plastic exhaust duct

Info

Publication number: CN213628924U
Application number: CN202022817830.7U
Authority: CN
Inventors: 刘时怀; 鲁小毛
Original assignee: Hubei Huaju Technology Co ltd
Current assignee: Hubei Huaju Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a plastics exhaust airway, including body and slide rail, the top of body is equipped with the air door, and the bottom of air door has seted up first spout to the internal connection of first spout has the lug, the bottom inboard of lug is connected with first spring, and the bottom of lug is equipped with the connecting rod, the slide rail sets up in the inside bottom both sides of body, and the inside top of slide rail is fixed with the second spring, the sleeve is installed to the inner wall of sealing ring, the bottom of slide bar is equipped with the zip fastener. This plastics exhaust airway passes through the pivot that body and air door pass through the body and air door junction through the rotating-structure, under the effect in the wind, the air door is rotatory to parallel with the longitudinal central line of body, drives the lug that the connecting rod top is connected simultaneously and slides to the outside in the inside of first spout, and first spring is elongated, and when not using, the air door resets under the effect of first spring, prevents dust the inside of body, has played good dustproof effect.

Description

Plastic exhaust duct

Technical Field

The utility model relates to an exhaust duct technical field specifically is a plastics exhaust duct.

Background

The plastic exhaust duct is generally installed by attaching to a wall, the length of the plastic exhaust duct is one section for each floor, the cross section of the plastic exhaust duct is mostly circular, the plastic exhaust duct is convenient to install and disassemble, the plastic exhaust duct is mainly used for ventilating and exhausting air, the installation structure is complex and the operation steps are complex for avoiding air leakage.

However, most of plastic exhaust ducts in the market are simple in structure and poor in sealing effect, so that after the plastic exhaust ducts are used for a period of time, the plastic exhaust ducts are prone to aging, resource waste is caused, the use cost is improved, the installation structure is not firm, and leakage is prone to being caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics exhaust duct to solve the big simple structure of plastics exhaust duct on the market that proposes in the above-mentioned background art, sealed effect is poor, leads to after a period of use, and the plastics exhaust duct is easily ageing, leads to the wasting of resources, has improved use cost, and mounting structure insecure, easily causes the problem of the phenomenon of leakage.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic exhaust duct comprises a duct body and a slide rail, wherein the top of the duct body is provided with an air door, the bottom of the air door is provided with a first chute, and the inner part of the first sliding chute is connected with a convex block, the inner side of the bottom of the convex block is connected with a first spring, the bottom of the convex block is provided with a connecting rod, the slide rails are arranged at two sides of the inner bottom of the tube body, the inner top of the slide rail is fixed with a second spring, a sliding rod is arranged at the bottom of the second spring, a sealing ring is fixed at the inner side of the sliding rod, a sleeve is arranged on the inner wall of the sealing ring, a connecting spring is arranged in the sleeve, the inner side of the connecting spring is connected with a guide rod, the inner side of the guide rod is connected with a sealing ring, the bottom of the sliding rod is provided with a zipper, and the bottom of the zipper is connected with a driving roller, the bottom end of the zipper is fixedly provided with a clamping block, and the bottom of the clamping block is connected with a second sliding groove.

Preferably, the rotating structure is formed by the rotating shaft at the joint of the pipe body and the air door through the pipe body, and the sliding structure is formed by the air door and the bump through the first sliding groove.

Preferably, the lug and the connecting rod form a rotating structure through a rotating shaft at the joint of the lug and the connecting rod, and the lugs are symmetrically arranged about the longitudinal center line of the pipe body.

Preferably, the sliding rail is in sliding connection with the sliding rod, and the sliding rod is in welding connection with the sealing ring.

Preferably, the slide bar and the driving roller form a chain transmission structure through a zipper, and the zipper is symmetrically arranged about the longitudinal center line of the pipe body.

Preferably, the sleeve is in sliding connection with the guide rod, and the sleeves are arranged on the inner wall of the sealing ring at equal intervals.

Preferably, sliding connection is adopted between the clamping block and the second sliding groove, and welding connection is adopted between the clamping block and the supporting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the plastic exhaust duct is provided with a rotating structure formed by the pipe body and the air door through a rotating shaft at the joint of the pipe body and the air door, under the action of wind, the air door rotates to be parallel to the longitudinal central line of the pipe body, and simultaneously drives a lug connected with the top of the connecting rod to slide outwards in the first sliding groove, the first spring is stretched, when the plastic exhaust duct is not used, the air door resets under the action of the first spring, the interior of the pipe body is prevented from dust, a good dust-proof effect is achieved, the phenomenon of aging of the plastic exhaust duct is avoided to a great extent, the sliding rod and the driving roller are arranged to form a chain transmission structure through the zipper, the sliding rod drives the zipper at the bottom to pull upwards, the driving roller is driven to rotate, and the supporting rod is driven to push the clamping block to slide in the supporting rod until the clamping block;

2. this plastics exhaust airway is sliding connection through having set up between sleeve and the guide arm, and the pipe joint injects the inside of body, passes the sealing ring, drives the inside guide arm of sealing ring inner wall sleeve and slides to the outside, and coupling spring is compressed, and the sealing washer closely laminates with the joint, and the effectual sealed effect that improves the device, and improved application range.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the bottom cross-section of the sealing ring of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the sealing ring of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a pipe body; 2. a damper; 3. a first chute; 4. a bump; 5. a first spring; 6. a connecting rod; 7. a slide rail; 8. a second spring; 9. a slide bar; 10. a seal ring; 11. a sleeve; 12. a connecting spring; 13. a guide bar; 14. a seal ring; 15. a zipper; 16. a driving roller; 17. a support bar; 18. a clamping block; 19. a second runner.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic exhaust duct comprises a duct body 1, an air door 2, a first chute 3, a convex block 4, a first spring 5, a connecting rod 6, a slide rail 7, a second spring 8, a slide rod 9, a sealing ring 10, a sleeve 11, a connecting spring 12, a guide rod 13, a sealing ring 14, a zipper 15, a driving roller 16, a support rod 17, a clamping block 18 and a second chute 19, wherein the top of the duct body 1 is provided with the air door 2, the bottom of the air door 2 is provided with the first chute 3, the inner part of the first chute 3 is connected with the convex block 4, the inner side of the bottom of the convex block 4 is connected with the first spring 5, the bottom of the convex block 4 is provided with the connecting rod 6, the slide rail 7 is arranged at two sides of the inner bottom of the duct body 1, the inner top of the slide rail 7 is fixed with the second spring 8, the bottom of the second spring 8 is provided with the slide rod 9, and a connecting spring 12 is arranged inside the sleeve 11, a guide rod 13 is connected to the inner side of the connecting spring 12, a sealing ring 14 is connected to the inner side of the guide rod 13, a zipper 15 is arranged at the bottom of the sliding rod 9, a driving roller 16 is connected to the bottom of the zipper 15, a clamping block 18 is fixed to the bottom end of the zipper 15, and a second sliding groove 19 is connected to the bottom of the clamping block 18.

In the embodiment, the pipe body 1 and the air door 2 form a rotating structure through a rotating shaft at the joint of the pipe body 1 and the air door 2, the air door 2 and the lug 4 form a sliding structure through the first sliding chute 3, the rotating structure is formed through the rotating shaft at the joint of the pipe body 1 and the air door 2, under the action of wind, the air door 2 rotates to be parallel to the longitudinal central line of the pipe body 1, the lug 4 connected to the top of the connecting rod 6 is driven to slide outwards in the first sliding chute 3, the first spring 5 is stretched, when the air door is not used, the air door 2 is reset under the action of the first spring 5 to prevent dust in the pipe body 1, a good dust-proof effect is achieved, and the phenomenon of aging of a plastic exhaust duct is avoided to a great extent;

the lug 4 and the connecting rod 6 form a rotating structure through a rotating shaft at the joint of the lug 4 and the connecting rod 6, the lug 4 is symmetrically arranged about the longitudinal center line of the tube body 1, and the lug 4 and the connecting rod 6 form a rotating structure through the rotating shaft at the joint of the lug 4 and the connecting rod 6, so that the reset of the air door 2 is controlled conveniently;

the sliding connection is arranged between the sliding rail 7 and the sliding rod 9, the sliding connection is arranged between the sliding rod 9 and the sealing ring 10, the sliding connection is arranged between the sliding rail 7 and the sliding rod 9, the zipper 15 at the bottom of the sliding rod 9 is conveniently driven to pull the supporting rod 17 at the bottom end to move outwards, the clamping block 18 is conveniently controlled to clamp the fixed joint, the structure is simple, and the operation is convenient;

the slide rod 9 and the transmission roller 16 form a chain transmission structure through the zipper 15, the zipper 15 is symmetrically arranged about the longitudinal center line of the pipe body 1, the slide rod 9 and the transmission roller 16 form the chain transmission structure through the zipper 15, the slide rod 9 is convenient to drive the zipper 15 at the bottom to pull upwards, the transmission roller 16 is driven to rotate, and therefore the support rod 17 is driven to push the clamping block 18 to slide in the support rod 17 until the clamping block 18 is tightly attached to a pipeline joint, and the joint is clamped;

the sleeve 11 is in sliding connection with the guide rod 13, the sleeve 11 is arranged on the inner wall of the sealing ring 10 at equal intervals, the sleeve 11 is in sliding connection with the guide rod 13, the pipeline joint is inserted into the pipe body 1 and penetrates through the sealing ring 10 to drive the guide rod 13 in the sleeve 11 on the inner wall of the sealing ring 10 to slide outwards, the connecting spring 12 is compressed, the sealing ring 14 is tightly attached to the joint, the sealing effect of the device is effectively improved, and the application range is enlarged;

the clamping block 18 is in sliding connection with the second sliding groove 19, the clamping block 18 is in welding connection with the supporting rod 17, the clamping block 18 is in sliding connection with the second sliding groove 19, and the clamping block 18 can move to clamp the pipeline joint conveniently.

The working principle is as follows: the plastic exhaust duct is used by the steps that firstly, a mounting pipeline joint is inserted into a pipe body 1 and penetrates through a sealing ring 10 to drive a guide rod 13 inside a sleeve 11 on the inner wall of the sealing ring 10 to slide outwards, a connecting spring 12 is compressed, a sealing ring 14 is tightly attached to the joint, meanwhile, sliding rods 9 on two sides of the sealing ring 10 slide upwards in a sliding rail 7, a second spring 8 is compressed to drive a zipper 15 at the bottom of the sliding rod 9 to pull upwards and drive a driving roller 16 to rotate, so that a supporting rod 17 is driven to drive a clamping block 18 to push the clamping block 18 to slide in the supporting rod 17 until the clamping block 18 is tightly attached to the pipeline joint, and the joint is clamped;

when using, gaseous from the inside that connects insufflate body 1, under the effect in the wind, air door 2 rotates to be parallel with the longitudinal central line of body 1, drives lug 4 that connecting rod 6 top is connected simultaneously and slides to the outside in the inside of first spout 3, and first spring 5 is elongated, and when not using, air door 2 resets under the effect of first spring 5, prevents dust the inside of body 1, has just so accomplished the use of whole device.

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 plastics exhaust duct, includes body (1) and slide rail (7), its characterized in that: the air door sealing device is characterized in that an air door (2) is arranged at the top of the pipe body (1), a first sliding groove (3) is formed in the bottom of the air door (2), a convex block (4) is connected inside the first sliding groove (3), a first spring (5) is connected to the inner side of the bottom of the convex block (4), a connecting rod (6) is arranged at the bottom of the convex block (4), sliding rails (7) are arranged on two sides of the bottom of the inside of the pipe body (1), a second spring (8) is fixed to the top of the inside of the sliding rails (7), a sliding rod (9) is arranged at the bottom of the second spring (8), a sealing ring (10) is fixed to the inner side of the sliding rod (9), a sleeve (11) is installed on the inner wall of the sealing ring (10), a connecting spring (12) is arranged inside the sleeve (11), a guide rod (13) is connected to the inner, the bottom of the sliding rod (9) is provided with a zipper (15), the bottom of the zipper (15) is connected with a driving roller (16), the bottom end of the zipper (15) is fixed with a clamping block (18), and the bottom of the clamping block (18) is connected with a second sliding groove (19).

2. A plastic exhaust duct in accordance with claim 1, wherein: the rotating structure is formed by the rotating shaft at the joint of the pipe body (1) and the air door (2) through the pipe body (1) and the air door (2), and the sliding structure is formed by the air door (2) and the bump (4) through the first sliding groove (3).

3. A plastic exhaust duct in accordance with claim 1, wherein: the rotary structure is formed by the lug (4) and the connecting rod (6) through a rotating shaft at the joint of the lug (4) and the connecting rod (6), and the lug (4) is symmetrically arranged relative to the longitudinal center line of the pipe body (1).

4. A plastic exhaust duct in accordance with claim 1, wherein: the sliding rail (7) is in sliding connection with the sliding rod (9), and the sliding rod (9) is in welding connection with the sealing ring (10).

5. A plastic exhaust duct in accordance with claim 1, wherein: the slide bar (9) and the driving roller (16) form a chain transmission structure through a zipper (15), and the zipper (15) is symmetrically arranged relative to the longitudinal center line of the pipe body (1).

6. A plastic exhaust duct in accordance with claim 1, wherein: the sleeve (11) is in sliding connection with the guide rod (13), and the sleeve (11) is arranged on the inner wall of the sealing ring (10) at equal intervals.

7. A plastic exhaust duct in accordance with claim 1, wherein: the clamping block (18) is in sliding connection with the second sliding groove (19), and the clamping block (18) is in welding connection with the supporting rod (17).