CN219493371U - Sealing structure of air pipe - Google Patents

Abstract

The utility model provides a sealing structure of an air pipe, which relates to the technical field of ventilation equipment and comprises a telescopic pipe, wherein connecting pipes are arranged at two ends of the telescopic pipe, fastening semi-rings are arranged on the surface of the connecting pipe and are movably connected with the connecting pipes, sealing rings are arranged inside the connecting pipes and are movably connected with the connecting pipes, when the connecting pipes are sleeved on the surfaces of the air pipes, the sealing rings are in contact with the surfaces of the air pipes, and the fastening semi-rings tighten the connecting pipes outside the connecting pipes so that the sealing rings are tightly attached to the air pipes.

Description

Sealing structure of air pipe

Technical Field

The utility model relates to the technical field of ventilation equipment, in particular to a sealing structure of an air pipe.

Background

The air duct is a pipeline system for air transportation and distribution, and comprises a composite air duct and an inorganic air duct, wherein the composite air duct is represented by the air duct and can be classified according to the cross-sectional shape and the material, the stainless steel air duct is manufactured by coating sealant (such as neutral glass cement) on seam parts of seam joints, rivet joints, flange flanging four corners and the like, surface dust and greasy dirt are removed before the sealant is coated, the air duct can be divided into a plurality of circular air duct, rectangular air duct, oblate air duct and the like according to the cross-sectional shape, most of traditional air duct connection modes are that two sections of air ducts are connected through a flange, the sealing effect is poor, the air duct is easy to generate air leakage, so that the normal air supply of the air duct is influenced, meanwhile, when the external environment is moist, external water vapor enters the air duct, the inner wall of the air duct is easy to corrode, the air duct is easy to corrode and damage the air duct for a long time, the service life of the air duct is shortened, the maintenance times of the air duct is increased, and the maintenance cost is improved.

According to the patent number CN215060270U, an air pipe flange connection structure is disclosed, which comprises a first rectangular air pipe and a second rectangular air pipe, wherein four first flange strips are respectively arranged on four sides of an opening of the first rectangular air pipe; four second flange strips are respectively arranged on four sides of the pipe orifice of the second rectangular air pipe; the method is characterized in that: the sealing gasket, the first corner pressing plate, the second corner pressing plate and the peripheral clamp are further included; the sealing gasket comprises an outer frame gasket, a middle frame gasket and an inner frame gasket, wherein the middle frame gasket is provided with a first convex frame and a second convex frame; the first flange strip pressing surface is provided with a first straight groove; the second flange strip pressing surface is provided with a second straight groove; the first corner pressing plate pressing surface is provided with a first corner groove; the first corner pressing plate pressing surface is provided with a second corner groove; the peripheral clip has a clip groove. The utility model can improve the sealing performance after the first rectangular air pipe and the second rectangular air pipe are connected, prevent the later performance from weakening and prolong the service life.

The following problems exist in the air duct extension sealing structures disclosed in the patent documents and other publications:

1. traditional tuber pipe extension connected mode is mostly that two sections tuber pipes are connected through the flange, and sealed effect is poor, leads to carrying the easy condition that produces the air leakage of tuber pipe to influence the air supply quality of tuber pipe.

2. The suitability of the traditional air pipe extension sealing structure is poor, most of the air pipes can be connected on a straight line, and the air pipes are easy to shake, so that the service life of the sealing structure is shortened.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a sealing structure of an air duct.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a seal structure of tuber pipe, includes flexible pipeline, flexible pipeline's both ends are equipped with connecting tube, connecting tube's surface is equipped with the fastener semi-ring, and fastener semi-ring and connecting tube swing joint, connecting tube's inside is equipped with the sealing ring, and sealing ring and connecting tube swing joint.

Preferably, the surface of the connecting pipeline is provided with a supporting ring, the surface array of the supporting ring is provided with a movable block, the movable block is movably connected with the supporting ring, a supporting rod is arranged between the supporting rings, and the supporting rod is movably connected with the movable block.

Preferably, the bottom surface of movable block is equipped with the connecting block, and connecting block and holding ring swing joint, the centre gripping groove has been seted up on the surface of movable block, and the centre gripping groove runs through the movable block, the surface of movable block is equipped with fastening bolt, and fastening bolt and movable block threaded connection.

Preferably, the surface array of the sealing ring is inlaid with iron blocks, and the outer diameter length of the sealing ring is equal to the diameter length of the connecting pipeline.

Preferably, the inner side array of the support ring is embedded with magnetic blocks, and the inner diameter length of the support ring is equal to the diameter length of the connecting pipeline.

Preferably, the fastening half rings are respectively movably connected with the supporting rings, and fixing blocks are arranged on the surfaces of the fastening half rings.

Preferably, the sealing ring has a width equal to the sum of the width of the support ring and the width of the fastener half ring.

Preferably, the sealing ring is formed by thermoplastic rubber.

Advantageous effects

In the utility model, the sealing ring is arranged in the connecting pipeline, the fastening half ring is arranged on the surface of the connecting pipeline, when the connecting pipeline is sleeved on the surface of the air pipe, the sealing ring is contacted with the surface of the air pipe, and the fastening half ring tightens the connecting pipeline outside the connecting pipeline, so that the sealing ring is tightly attached to the air pipe, the sealing effect of the air pipe is improved, the condition that the air pipe leaks air is avoided, and the air supply quality of the air pipe is improved.

According to the utility model, the movable blocks are uniformly arranged on the surface of the support ring, the support rods are arranged between the movable blocks, the movable blocks are movably connected with the surface of the support ring, and after the two ends of the structure are connected with the air pipes, the support rods can be connected with the support ring by rotating the movable blocks.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a partial block diagram of the present utility model;

FIG. 3 is a cross-sectional view of a portion of the structure of the present utility model;

fig. 4 is a block diagram of the movable block of the present utility model.

Legend description:

1. a support rod; 2. a telescoping tube; 3. a support ring; 4. a fastener half ring; 5. a movable block; 6. a connecting pipe; 7. a seal ring; 8. a fixed block; 9. a magnetic block; 10. iron blocks; 11. a connecting block; 12. a clamping groove; 13. and (5) fastening a bolt.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

as shown in fig. 1-4, a sealing structure of an air duct comprises a telescopic duct 2, connecting ducts 6 are arranged at two ends of the telescopic duct 2, fastening half rings 4 are arranged on the surface of the connecting ducts 6, the fastening half rings 4 are movably connected with the connecting ducts 6, sealing rings 7 are arranged in the connecting ducts 6 and movably connected with the connecting ducts 6, when the connecting ducts 6 are sleeved on the surface of the air duct, the sealing rings 7 are in contact with the surface of the air duct, the fastening half rings 4 tighten the connecting ducts 6 outside the connecting ducts 6, so that the sealing rings 7 are tightly attached to the air duct, the sealing effect of the air duct is improved, the condition that air leakage is generated by the air duct is avoided, and the air supply quality of the air duct is improved.

The surface array of sealing ring 7 is inlayed and is had iron plate 10, and the external diameter length of sealing ring 7 equals the diameter length of connecting tube 6, makes the structure after the installation with the tuber pipe laminating inseparabler, the fastener semi-ring 4 respectively with support ring 3 swing joint, the surface of fastener semi-ring 4 is equipped with fixed block 8, and sealing ring 7 adopts rubber thermoplastic to form.

Specific embodiment II:

as shown in fig. 1-4, the surface of the connecting pipeline 6 is provided with a supporting ring 3, the surface array of the supporting ring 3 is provided with a movable block 5, the movable block 5 is movably connected with the supporting ring 3, a supporting rod 1 is arranged between the supporting rings 3, the supporting rod 1 is movably connected with the movable block 5, after two ends of the structure are connected with air pipes, the supporting rod 1 can be connected with the supporting ring 3 by rotating the movable block 5, and the design not only ensures that the structure can be connected with air pipes at different positions, enhances the adaptability of the structure, but also ensures that the air pipes are more stable after being connected in a sealing way and prolongs the service life of the structure.

The bottom surface of movable block 5 is equipped with connecting block 11, and connecting block 11 and support ring 3 swing joint, clamping groove 12 has been seted up on the surface of movable block 5, and clamping groove 12 runs through movable block 5, the surface of movable block 5 is equipped with fastening bolt 13, and fastening bolt 13 and movable block 5 threaded connection, fastening bolt 13 can make clamping groove 12 tightly clip bracing piece 1, the inboard array of support ring 3 is inlayed and is had magnetic path 9, the inside diameter length of support ring 3 equals the diameter length of connecting tube 6, the width of sealing ring 7 equals the width of support ring 3 and the width sum of fastener semi-ring 4, the mutual absorption of magnetic path 9 and iron plate 10 makes sealing ring 7 can dismantle the installation fast, also can change sealing ring 7 of different thickness according to the size of tuber pipe.

To sum up:

1. adopt the design of sealing ring 7 and fastener semi-ring 4, realized sealing ring 7 and tuber pipe closely laminate, improved the sealed effect of tuber pipe, avoided the tuber pipe to produce the condition of air leakage, improved the air supply quality of tuber pipe.

2. By adopting the design of the movable block 5 and the support rod 1, after the two ends of the structure are connected with the upper air pipes, the support rod 1 can be connected with the support ring 3 by rotating the movable block 5, so that the structure can be connected with air pipes at different positions, and the adaptability of the structure is enhanced.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a seal structure of tuber pipe, includes flexible pipeline (2), its characterized in that: the utility model discloses a telescopic pipe, including flexible pipe (2), connecting pipe (6) are equipped with fastening semi-ring (4) on the surface, and fastening semi-ring (4) and connecting pipe (6) swing joint, the inside of connecting pipe (6) is equipped with sealing ring (7), and sealing ring (7) and connecting pipe (6) swing joint, the surface of connecting pipe (6) is equipped with support ring (3), the surface array of support ring (3) is equipped with movable block (5), the bottom surface of movable block (5) is equipped with connecting block (11), and connecting block (11) and support ring (3) swing joint.

2. A duct sealing structure according to claim 1, wherein: the movable block (5) is movably connected with the support ring (3), a support rod (1) is arranged between the support rings (3), and the support rod (1) is movably connected with the movable block (5).

3. A duct sealing structure according to claim 2, characterized in that: clamping grooves (12) are formed in the surface of the movable block (5), the clamping grooves (12) penetrate through the movable block (5), fastening bolts (13) are arranged on the surface of the movable block (5), and the fastening bolts (13) are in threaded connection with the movable block (5).

4. A duct sealing structure according to claim 1, wherein: the surface array of sealing ring (7) is inlayed and is had iron plate (10), the outside diameter length of sealing ring (7) equals the diameter length of connecting tube (6).

5. A duct sealing structure according to claim 2, characterized in that: the inner side array of the support ring (3) is embedded with magnetic blocks (9), and the inner diameter length of the support ring (3) is equal to the diameter length of the connecting pipeline (6).

6. A duct sealing structure according to claim 1, wherein: the fastening semi-ring (4) is movably connected with the supporting ring (3) respectively, and a fixing block (8) is arranged on the surface of the fastening semi-ring (4).

7. A duct sealing structure according to claim 1, wherein: the width of the sealing ring (7) is equal to the sum of the width of the supporting ring (3) and the width of the fastener semi-ring (4).

8. A duct sealing structure according to claim 1, wherein: the sealing ring (7) is formed by thermoplastic rubber.