Fresh air pipeline mounting sleeve

Abstract

The utility model discloses a fresh air pipeline mounting sleeve, which relates to the technical field of fresh air pipelines and comprises a first sleeve ring and a second sleeve ring, connecting rings are fixed on opposite sides of the first sleeve ring and the second sleeve ring, and a fresh air pipeline body is fixed on the inner sides of the connecting rings; the fresh air pipeline body is respectively adhered and fixed in the connecting rings on the opposite sides of the first lantern ring and the second lantern ring, and the threaded ring outside the first lantern ring is screwed on the second lantern ring, so that quick butt joint installation of the first lantern ring and the second lantern ring can be realized, and butt joint installation can be released by reversely rotating the threaded ring; compared with a traditional bolt type fixing installation mode, the novel fresh air pipeline is more convenient and faster to install, meanwhile, follow-up disassembly is facilitated, two sets of fresh air pipeline bodies can be rapidly disassembled and assembled, and use is convenient; the filter ring internally provided with the filter screen is clamped at the butt joint position of the inner side of the first lantern ring and the inner side of the second lantern ring; therefore, the fresh air pipeline mounting sleeve further has a certain dust and impurity filtering function.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air ducts, in particular to an installation sleeve for fresh air ducts. Background Art

[0002] With the improvement of people's living standards, people's requirements for the quality of life are also getting higher and higher. There are also new air supply methods in indoor ventilation technology, and the fresh air system emerges as the times require. The fresh air system is a ventilation device that can provide fresh air. It exchanges indoor and outdoor air through mechanical means to improve the indoor air quality. The fresh air duct is a component for air circulation in the fresh air system. During the installation of the fresh air system, adjacent fresh air ducts generally need to be installed and docked through corresponding installation sleeves.

[0003] Most of the existing installation sleeves for fresh air ducts have fixed structures. When installing and docking adjacent fresh air ducts, the adjacent installation sleeves are generally fixed together by bolts. Although the fastening degree is relatively high, it is not convenient for subsequent disassembly and use. Moreover, the existing installation sleeves for fresh air ducts only have a single installation and docking function, and cannot effectively filter dust and impurities in the air in the ducts at the docking joints of adjacent fresh air ducts. The functions are relatively single. Therefore, the utility model proposes an installation sleeve for fresh air ducts to solve the problems existing in the prior art. Content of the Utility Model

[0004] Aiming at the above problems, the purpose of the utility model is to propose an installation sleeve for fresh air ducts, which solves the problems that the existing installation sleeves for fresh air ducts are generally fixed together by bolts, although the fastening degree is relatively high, but it is not convenient for subsequent disassembly, and cannot effectively filter dust and impurities in the air in the ducts at the docking joints of adjacent fresh air ducts.

[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: An installation sleeve for fresh air ducts includes a first sleeve ring and a second sleeve ring. Connecting rings are fixed on the opposite sides of the first sleeve ring and the second sleeve ring. A fresh air duct body is fixed inside the connecting ring. A threaded ring that is threadedly sleeved on the outside of the second sleeve ring is slidably sleeved on the outside of the first sleeve ring. A limiting mechanism adapted to the threaded ring is symmetrically arranged on the outer wall of the first sleeve ring. A sealing component is arranged between the first sleeve ring and the second sleeve ring. A filter ring is clamped at the docking part inside the first sleeve ring and the second sleeve ring, and a filter screen is fixed inside the filter ring.

[0006] Further improvement lies in that: Filling grooves are opened on the inner walls of the opposite sides of the two connecting rings, adhesives are filled in the filling grooves, and the outer wall of the fresh air duct body is fixedly bonded to the inner wall of the connecting ring through the adhesives in the filling grooves.

[0007] A further improvement lies in that: a limiting convex ring is fixed on the inner wall of the threaded ring, and an annular limiting groove adapted to the limiting convex ring is formed on one side of the outer wall of the first sleeve ring close to the second sleeve ring.

[0008] A further improvement lies in that: internal threads are formed on one side of the inner wall of the threaded ring close to the second sleeve ring, and external threads adapted to the internal threads of the threaded ring are formed on the outer wall of the second sleeve ring close to the first sleeve ring.

[0009] A further improvement lies in that: the sealing assembly includes an inner ring sealing ring fixed to one end of the first sleeve ring close to the second sleeve ring and an outer ring sealing ring fixed to one end of the second sleeve ring close to the first sleeve ring. An inner ring sealing groove adapted to the inner ring sealing ring is formed on one end of the second sleeve ring close to the first sleeve ring, and an outer ring sealing groove adapted to the outer ring sealing ring is formed on one end of the first sleeve ring close to the second sleeve ring.

[0010] A further improvement lies in that: the limiting mechanism includes a groove formed on the outer wall of the first sleeve ring and a limiting spring fixed inside the groove. A limiting convex column is fixed to one end of the limiting spring close to the outside of the first sleeve ring, and the end of the limiting convex column away from the limiting spring extends out of the groove.

[0011] A further improvement lies in that: first clamping blocks and second clamping blocks fixed to the inner walls of the first sleeve ring and the second sleeve ring are symmetrically arranged on both sides of the filter ring respectively. Positioning columns are fixed to the opposite sides of the first clamping block and the second clamping block, and positioning holes adapted to the positioning columns are symmetrically formed on both sides of the filter ring.

[0012] The beneficial effects of the present utility model are as follows: The present utility model includes a first sleeve ring and a second sleeve ring. By respectively bonding and fixing the fresh air duct body in the connecting rings on the opposite sides of the first sleeve ring and the second sleeve ring, and screwing the threaded ring outside the first sleeve ring onto the second sleeve ring, the quick docking and installation of the first sleeve ring and the second sleeve ring can be realized. Then, by rotating the threaded ring in the reverse direction, the docking and installation can be released. It is more convenient than the traditional bolt-type fixed installation, and is also convenient for subsequent disassembly, enabling quick disassembly and assembly between two groups of fresh air duct bodies, which is easy to use. Moreover, by clamping a filter ring with an internal filter screen at the inner docking part between the first sleeve ring and the second sleeve ring, the fresh air duct installation sleeve also has a certain function of filtering dust and impurities, with rich functions. Description of the Drawings

[0013] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2 is a cross-sectional view of the present utility model;

[0015] Figure 3 is the present utility model Figure 2 The enlarged view at A in;

[0016] Figure 4 is an enlarged view of part B in the present utility model Figure 2 .

[0017] Wherein: 1. First sleeve ring; 2. Second sleeve ring; 3. Connecting ring; 4. Fresh air duct body; 5. Threaded ring; 6. Filter ring; 7. Filling groove; 8. Limiting convex ring; 9. Annular limiting groove; 10. Inner ring sealing ring; 11. Outer ring sealing ring; 12. Inner ring sealing groove; 13. Outer ring sealing groove; 14. Groove; 15. Limiting spring; 16. Limiting convex column; 17. First clamping block; 18. Second clamping block; 19. Positioning column; 20. Positioning hole. Specific embodiments

[0018] To deepen the understanding of the present utility model, the following will further elaborate on the present utility model in combination with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.

[0019] According to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, this embodiment provides a fresh air duct installation sleeve, which includes a first sleeve ring 1 and a second sleeve ring 2 that are designed in a cylindrical shape and are butt-jointed with each other. Connecting rings 3 that are designed in a cylindrical shape are welded and fixed to the opposite sides of the first sleeve ring 1 and the second sleeve ring 2. A fresh air duct body 4 for air circulation in the fresh air system is adhesively fixed to the inner side of the connecting ring 3. A threaded ring 5 that is designed in a cylindrical shape is slidably sleeved on the outside of the first sleeve ring 1. The side of the threaded ring 5 close to the second sleeve ring 2 is threadedly sleeved on the outside of the second sleeve ring 2. An internal thread is provided on the inner wall of the right side of the threaded ring 5, and an external thread is provided on the outer wall of the right side of the second sleeve ring 2, and the external thread is adapted to the internal thread of the threaded ring 5. Through the cooperation of the external thread and the internal thread, the threaded ring 5 can be screwed onto the second sleeve ring 2. A limiting mechanism is symmetrically arranged on the outer wall of the first sleeve ring 1. The limiting mechanism is adapted to the threaded ring 5 and limits the threaded ring 5 to prevent the threaded ring 5 from automatically rotating back after being screwed onto the outside of the second sleeve ring 2. By adhesively fixing the fresh air duct body 4 in the connecting rings 3 on the opposite sides of the first sleeve ring 1 and the second sleeve ring 2 respectively, and screwing the threaded ring 5 on the outside of the first sleeve ring 1 onto the second sleeve ring 2, the quick butt-joint installation of the first sleeve ring 1 and the second sleeve ring 2 can be realized. By rotating the threaded ring 5 in the reverse direction, the butt-joint installation can be released. Quick disassembly and assembly work can be carried out between the two groups of fresh air duct bodies 4;

[0020] A sealing assembly is also provided between the first set of rings 1 and the second set of rings 2 to improve the sealing performance when the first set of rings 1 and the second set of rings 2 are butted. An annular filter ring 6 is clamped at the butting part inside the first set of rings 1 and the second set of rings 2. A filter screen for filtering and intercepting dust is fixed on the inner side of the filter ring 6. The outer wall of the filter ring 6 fits with the inner walls of the first set of rings 1 and the second set of rings 2. By clamping the filter ring 6 with an internal filter screen at the inner butting part of the first set of rings 1 and the second set of rings 2, the fresh air duct installation sleeve also has a certain function of filtering dust and impurities.

[0021] Filling grooves 7 are formed in the inner walls on the opposite sides of the two sets of connecting rings 3. The filling grooves 7 are located between the inner wall of the connecting ring 3 and the outer wall of the fresh air duct body 4. By injecting an adhesive into the filling grooves 7, the fresh air duct body 4 is fixedly bonded to the connecting ring 3.

[0022] An annular limiting convex ring 8 is fixed to the inner wall of the threaded ring 5. An annular limiting groove 9 is formed on the right side of the outer wall of the first set of rings 1, and the annular limiting groove 9 is adapted to the limiting convex ring 8. The limiting convex ring 8 extends into the annular limiting groove 9, which plays a limiting role during the rotation of the threaded ring 5 and can drive the first set of rings 1 and the second set of rings 2 to be closely butted.

[0023] The sealing assembly includes an inner ring sealing ring 10 and an outer ring sealing ring 11. The inner ring sealing ring 10 is fixed to the right end of the first set of rings 1, and the outer ring sealing ring 11 is fixed to the left end of the second set of rings 2. The outer diameter of the inner ring sealing ring 10 is smaller than the inner diameter of the outer ring sealing ring 11. An inner ring sealing groove 12 is formed in the left end of the second set of rings 2, and the inner ring sealing groove 12 is adapted to the inner ring sealing ring 10. An outer ring sealing groove 13 is formed in the right end of the first set of rings 1, and the outer ring sealing groove 13 is adapted to the outer ring sealing ring 11. When the first set of rings 1 and the second set of rings 2 are butted, the inner ring sealing ring 10 is embedded in the inner ring sealing groove 12, and the outer ring sealing ring 11 is embedded in the outer ring sealing groove 13, which improves the sealing performance when the first set of rings 1 and the second set of rings 2 are butted through double sealing.

[0024] The limiting mechanism includes grooves 14 and limiting springs 15. Two groups of grooves 14 are formed on the upper and lower outer walls of the first set of rings 1. The opposite ends of the two groups of limiting springs 15 are respectively fixed to the opposite inner walls of the two groups of grooves 14. The opposite ends of the two groups of limiting springs 15 are both fixed with limiting convex columns 16 slidably arranged in the grooves 14. The end of the limiting convex column 16 away from the limiting spring 15 extends out of the groove 14. The threaded ring 5 is blocked by the limiting convex column 16 extending out of the groove 14 to play a limiting role, and the limiting of the threaded ring 5 can be released by pressing the limiting convex column 16 into the groove 14.

[0025] The left and right sides of the filter ring 6 are respectively provided with a first clamp block 17 and a second clamp block 18, and four groups of the first clamp block 17 and the second clamp block 18 are provided, wherein four groups of the first clamp block 17 are symmetrically fixed to the inner wall of the first ring 1, and four groups of the second clamp block 18 are symmetrically fixed to the inner wall of the second ring 2, and positioning columns 19 are fixed on opposite sides of the first clamp block 17 and the second clamp block 18, and positioning holes 20 are symmetrically opened on both sides of the filter ring 6, and the positioning holes 20 are adapted to the positioning columns 19, the filter ring 6 is clamped by the first clamp block 17 and the second clamp block 18, and the filter ring 6 is positioned by inserting the positioning columns 19 into the positioning holes 20.

[0026] When the fresh air duct installation sleeve is actually used, the two fresh air duct bodies 4 to be butted and installed are first inserted into the connecting rings 3 on the opposite sides of the first ring 1 and the second ring 2 respectively, and then the filling groove 7 between the fresh air duct body 4 and the connecting ring 3 is filled with adhesive to fix the fresh air duct body 4 and the connecting ring 3. Then, the first ring 1 and the second ring 2 are butted against each other, and the filter ring 6 is placed at a position where the inner sides of the first ring 1 and the second ring 2 are butted against each other. Subsequently, the threaded ring 5 on the outside of the first ring 1 is rotated toward the second ring 2 until the threaded ring 5 is screwed onto the outside of the second ring 2. After rotating into place, the limiting mechanism will resist the threaded ring 5 and limit it to prevent it from rotating. The first ring 1 will be driven by the threaded ring 5 to be tightly butted against the second ring 2, that is, the butt-jointed installation of the two fresh air duct bodies 4 is realized. At the same time, the filter screen in the filter ring 6 at the butt joint between the inner sides of the first ring 1 and the second ring 2 will filter and intercept dust impurities in the air passing through the fresh air duct body 4.

[0027] When it is necessary to release the docking installation of the two fresh air duct bodies 4, first release the limit of the threaded ring 5 by the limit mechanism, and then rotate the threaded ring 5 in the direction of the first ring 1 until the threaded ring 5 is completely unscrewed from the second ring 2, so that the first ring 1 and the second ring 2 are separated, that is, the docking installation of the two fresh air duct bodies 4 is released, and at the same time, the filter ring 6 at the docking place between the inner sides of the first ring 1 and the second ring 2 can be taken out for cleaning.

[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fresh air duct installation sleeve, comprising a first collar (1) and a second collar (2), characterized in that: On opposite sides of the first set of rings (1) and the second set of rings (2), connection rings (3) are fixed. Inside the connection rings (3), a fresh air duct body (4) is fixed. A threaded ring (5) that is threadedly sleeved outside the second set of rings (2) is slidably sleeved outside the first set of rings (1). On the outer wall of the first set of rings (1), a limiting mechanism adapted to the threaded ring (5) is symmetrically provided. A sealing assembly is provided between the first set of rings (1) and the second set of rings (2). At the docking part inside the first set of rings (1) and the second set of rings (2), a filter ring (6) is clamped. Inside the filter ring (6), a filter screen is fixed.

2. The installation sleeve for a fresh air duct according to claim 1, wherein: On the inner walls on opposite sides of the two groups of connection rings (3), filling grooves (7) are opened. Inside the filling grooves (7), adhesives are filled. The outer wall of the fresh air duct body (4) is fixedly bonded to the inner wall of the connection rings (3) through the adhesives inside the filling grooves (7).

3. A fresh air duct installation sleeve according to claim 1, characterized in that: A limiting convex ring (8) is fixed to the inner wall of the threaded ring (5). On the outer wall of the first set of rings (1) near the second set of rings (2), an annular limiting groove (9) adapted to the limiting convex ring (8) is opened.

4. A fresh air duct installation sleeve according to claim 1, characterized in that: Internal threads are opened on the inner wall of the threaded ring (5) near the second set of rings (2). External threads adapted to the internal threads of the threaded ring (5) are opened on the outer wall of the second set of rings (2) near the first set of rings (1).

5. A fresh air duct installation sleeve according to claim 1, characterized in that: The sealing assembly includes an inner ring sealing ring (10) fixed to one end of the first set of rings (1) near the second set of rings (2) and an outer ring sealing ring (11) fixed to one end of the second set of rings (2) near the first set of rings (1). An inner ring sealing groove (12) adapted to the inner ring sealing ring (10) is opened at one end of the second set of rings (2) near the first set of rings (1). An outer ring sealing groove (13) adapted to the outer ring sealing ring (11) is opened at one end of the first set of rings (1) near the second set of rings (2).

6. The installation sleeve for a fresh air duct according to claim 1, characterized in that: The limiting mechanism includes a groove (14) opened on the outer wall of the first set of rings (1) and a limiting spring (15) fixed inside the groove (14). A limiting convex post (16) is fixed to one end of the limiting spring (15) near the outside of the first set of rings (1). The end of the limiting convex post (16) away from the limiting spring (15) extends out of the groove (14).

7. The air duct installation sleeve according to claim 1, characterized in that: On both sides of the filter ring (6), a first clamping block (17) and a second clamping block (18) fixed to the inner walls of the first set of rings (1) and the second set of rings (2) are symmetrically provided respectively. Positioning posts (19) are fixed to the opposite sides of the first clamping block (17) and the second clamping block (18). Positioning holes (20) adapted to the positioning posts (19) are symmetrically opened on both sides of the filter ring (6).

Images