Joint structure for flexible air pipe

Abstract

The utility model relates to a joint structure for a flexible air pipe. The connector structure for the flexible air pipe comprises a connecting piece, a sealing piece, a self-tapping screw, a pressing rib and a flexible protective skirt edge, the connecting piece is arranged at the end of the flexible air pipe in a sleeving mode and comprises a groove, a first fixing part and a second fixing part, the first fixing part is provided with a first fixing hole, and the second fixing part is provided with a second fixing hole. The second fixing part is provided with second fixing holes in one-to-one correspondence with the second fixing holes; the sealing piece is arranged in the groove; the pressing rib is arranged on the outer side of the sealing piece in a sleeving mode, and the connecting piece, the sealing piece and the flexible air pipe are fixedly connected through the self-tapping screw. The flexible protective skirt edge is arranged on the outer side of the connecting piece. According to the connector structure for the flexible air pipe, the steel ring at the end of the flexible air pipe can be effectively protected, deformation of the steel ring due to collision is avoided, installation is convenient, and construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air ducts, in particular to a joint structure for a soft air duct. Background Art

[0002] At present, the commonly used steel ring type soft air duct is inconvenient to install because the joint is a steel ring. In addition, since the steel ring is often deformed due to collision, it is difficult for the two steel rings to close in parallel. Therefore, the air leakage coefficient is large and the joints often fall off. Utility Model Content

[0003] In order to solve the technical problems that the commonly used steel ring type flexible air duct is inconvenient to install and the steel ring is often deformed due to collision, the utility model provides a joint structure for the flexible air duct, which can effectively protect the steel ring at the end of the flexible air duct, avoid deformation of the steel ring due to collision, and realize the quick connection of the flexible air duct and the air outlet on the side wall of the main ventilation duct, or the quick connection between flexible air ducts, which is easy to install and improves construction efficiency.

[0004] The utility model provides a joint structure for a flexible air duct, wherein the joint structure for the flexible air duct is respectively arranged at the two ends of the flexible air duct, and is characterized in that it comprises a connecting piece, a sealing piece, a self-tapping screw, a rib and a flexible protective skirt, wherein the connecting piece is sleeved on the end of the flexible air duct, and one end of the connecting piece is fitted with the outer end of the steel ring at the end of the flexible air duct; the connecting piece comprises a groove, a first fixing part and a second fixing part, wherein the groove is arranged on the inner side of the connecting piece, the first fixing part and the second fixing part are arranged in parallel and spaced apart on the outer side of the connecting piece, a clamping groove for clamping the side wall of the main ventilation duct is formed between the first fixing part and the second fixing part, and the second fixing part is an elastic piece, and the height of the clamping groove is less than Regarding the thickness of the side wall of the main ventilation duct, the first fixing part is provided with a first fixing hole connected with the card slot, and the second fixing part is provided with a second fixing hole connected with the card slot, and the first fixing hole corresponds to the second fixing hole one by one; the sealing member is arranged in the groove, and the size of the sealing member is adapted to the groove; the outer side of the sealing member is sleeved with the compression rib, and the ends of the connecting member, the sealing member and the soft air duct are fixedly connected by the self-tapping screws; the flexible protective skirt is arranged on the outer side of the connecting member, and one end of the flexible protective skirt is connected to the outer side of one end of the connecting member close to the first fixing part, and the other end extends to one end of the connecting member close to the second fixing part.

[0005] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, the first fixing part is a rigid part, and a sealing gasket is attached to the bottom of the first fixing part, and a through hole corresponding to the first fixing hole is opened on the sealing gasket.

[0006] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, the first fixing portion is an elastic member.

[0007] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, the first fixing portion and the second fixing portion are both elastic rubber parts.

[0008] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, there are a plurality of first fixing holes, and the plurality of first fixing holes are evenly arranged on the first fixing portion.

[0009] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, there are two compression ribs, and the two compression ribs are respectively sleeved on the outer sides of the two ends of the sealing member.

[0010] In a preferred embodiment of the joint structure for a flexible air duct provided by the utility model, the length of the flexible protective skirt is not less than the length of the connecting piece.

[0011] Compared with the prior art, the joint structure for the flexible air duct provided by the utility model has the following beneficial effects: by arranging connecting parts, sealing parts, self-tapping screws, ribs and flexible protective skirts, and arranging a first fixing part and a second fixing part on the outside of the connecting part, the steel ring at the end of the flexible air duct can be effectively protected, and deformation of the steel ring due to collision can be avoided, thereby realizing the rapid connection of the flexible air duct and the air outlet on the side wall of the main ventilation duct, or the rapid connection between flexible air ducts, which is easy to install and improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0013] Figure 1 It is a structural schematic diagram of a joint structure for a flexible air duct provided by the utility model;

[0014] Figure 2 yes Figure 1 A schematic diagram of the installation structure of an embodiment of a joint structure for a flexible air duct is shown;

[0015] Figure 3 yes Figure 1 A schematic diagram of the installation structure of another embodiment of a joint structure for a flexible air duct is shown. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Please also read Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 It is a structural schematic diagram of a joint structure for a flexible air duct provided by the utility model; Figure 2 yes Figure 1 A schematic diagram of the installation structure of an embodiment of a joint structure for a flexible air duct is shown; Figure 3 yes Figure 1The schematic diagram of the installation structure of another embodiment of the joint structure for a flexible air duct is shown. The joint structure 1 for a flexible air duct is respectively arranged at both ends of a flexible air duct 21, and includes a connector 11, a seal 12, a self-tapping screw 13, a rib 14 and a flexible protective skirt 15. The connector 11 is sleeved on the end of the flexible air duct 21, and one end of the connector 11 fits with the outer end of the steel ring 24 at the end of the flexible air duct 21, which can effectively protect the steel ring 24 at the end of the flexible air duct 21 and prevent the steel ring 24 from being deformed due to collision; the connector 11 includes a concave The first fixing portion 111 and the second fixing portion 112 are provided on the inner side of the connecting member 11, and the first fixing portion 111 and the second fixing portion 112 are provided on the outer side of the connecting member 11 in parallel and spaced apart. A card slot 113 for clamping the side wall of the main ventilation pipe 22 is formed between the first fixing portion 111 and the second fixing portion 112, and the second fixing portion 112 is an elastic member. The height of the card slot 113 is less than the thickness of the side wall of the main ventilation pipe 22. The fit between 113 and the side wall of the main ventilation duct 22 can effectively ensure the sealing between the card slot 113 and the side wall of the main ventilation duct 22, the first fixing part 111 is provided with a first fixing hole 114 connected to the card slot 113, the second fixing part 112 is provided with a second fixing hole 115 connected to the card slot 113, the first fixing hole 114 and the second fixing hole 115 correspond one to one; the sealing member 12 is arranged in the groove, and the size of the sealing member 12 is adapted to the groove; the outer side of the sealing member 12 is sleeved with the pressure rib 14, and the ends of the connecting member 11, the sealing member 12 and the soft air duct 21 are fixedly connected by the self-tapping screws 13; the flexible protective skirt 15 is arranged on the outer side of the connecting member 11, and one end of the flexible protective skirt 15 is connected to the outer side of one end of the connecting member 11 close to the first fixing part 111, and the other end extends to one end of the connecting member 11 close to the second fixing part 112.

[0018] Furthermore, the first fixing portion 111 is a rigid member, and a sealing gasket 116 is attached to the bottom of the first fixing portion 111 . A through hole corresponding to the first fixing hole 114 is formed on the sealing gasket 116 .

[0019] Furthermore, the first fixing portion 111 is an elastic member.

[0020] Furthermore, the first fixing portion 111 and the second fixing portion 112 are both elastic rubber parts.

[0021] Furthermore, there are a plurality of first fixing holes 114 , and the plurality of first fixing holes 114 are evenly arranged on the first fixing portion 111 , so that the connection between the connecting member 11 and the main ventilation pipe 22 is more stable.

[0022] Furthermore, there are two compression ribs 14, which are respectively sleeved on the outer sides of the two ends of the sealing member 12; through the compression ribs 14, the sealing member 12 and the end of the soft air duct 21 can be more closely fitted, thereby ensuring the sealing performance.

[0023] Furthermore, the length of the flexible protective skirt 15 is not less than the length of the connecting piece 11, which can effectively protect the connecting piece 11 when the soft air duct 21 is carried, thereby preventing the connecting piece 11 from being bumped and deformed.

[0024] During construction, when it is necessary to connect with the air outlet on the side wall of the main ventilation pipe 22, a plurality of blind holes corresponding to the first fixing holes 114 are firstly opened around the air outlet on the side wall of the main ventilation pipe 22, and then the main ventilation pipe 22 is clamped into the clamping groove 113, and the blind holes are aligned with the first fixing holes 114, and then the connecting member 11 is fixed to the main ventilation pipe 22 by the fastener 23, so that the end of the soft air duct 21 is quickly fixed to the main ventilation pipe 22, and the soft air duct 21 and the main ventilation pipe 22 are quickly connected. It is easy to install and improves construction efficiency. When the length of the soft air duct 21 needs to be extended, first, one end of one soft air duct 21 is tightly connected with one end of the other soft air duct 21, and the second fixing holes 115 on the two soft air ducts 21 are aligned by adjustment. Then, the fastener 23 is passed through the first fixing hole 114 and the second fixing hole 115 on the adjacent ends of the two soft air ducts 21 to fix the two soft air ducts 21. Since the second fixing part 112 is an elastic part, the sealing between the two soft air ducts 21 can be guaranteed.

[0025] The joint structure 1 for the flexible air duct provided by the utility model has the following beneficial effects: by arranging the connecting piece 11, the sealing piece 12, the self-tapping screw 13, the rib 14 and the flexible protective skirt 15, and arranging the first fixing part 111 and the second fixing part 112 on the outside of the connecting piece 11, the steel ring 24 at the end of the flexible air duct 21 can be effectively protected, and deformation of the steel ring 24 due to collision is avoided, thereby realizing the rapid connection between the flexible air duct 21 and the air outlet on the side wall of the main ventilation duct 22, or the rapid connection between the flexible air ducts 21, which is easy to install and improves construction efficiency.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A joint structure for a flexible air duct, wherein the joint structure for the flexible air duct is respectively arranged at both ends of the flexible air duct, and is characterized in that: The invention comprises a connecting piece, a sealing piece, a self-tapping screw, a rib and a flexible protective skirt, wherein the connecting piece is sleeved on the end of the flexible air duct, and one end of the connecting piece is fitted with the outer end of the steel ring at the end of the flexible air duct; the connecting piece comprises a groove, a first fixing part and a second fixing part, wherein the groove is arranged on the inner side of the connecting piece, the first fixing part and the second fixing part are arranged in parallel and spaced apart on the outer side of the connecting piece, a clamping groove for clamping the side wall of the main ventilation duct is formed between the first fixing part and the second fixing part, and the second fixing part is an elastic piece, the height of the clamping groove is less than the thickness of the side wall of the main ventilation duct, and the first fixing part is provided with a first fixing part and a second fixing part. A first fixing hole connected to the card slot, and the second fixing part is provided with a second fixing hole connected to the card slot, and the first fixing hole corresponds to the second fixing hole one by one; the sealing member is arranged in the groove, and the size of the sealing member is adapted to the groove; the outer side of the sealing member is sleeved with the pressure rib, and the ends of the connecting member, the sealing member and the soft air duct are fixedly connected by the self-tapping screws; the flexible protective skirt is arranged on the outer side of the connecting member, and one end of the flexible protective skirt is connected to the outer side of one end of the connecting member close to the first fixing part, and the other end extends to one end of the connecting member close to the second fixing part.

2. The joint structure for a flexible air duct according to claim 1, characterized in that: The first fixing part is a rigid part, and a sealing gasket is attached to the bottom of the first fixing part. A through hole corresponding to the first fixing hole is opened on the sealing gasket.

3. The joint structure for a flexible air duct according to claim 1, characterized in that: The first fixing portion is an elastic member.

4. The joint structure for a flexible air duct according to claim 3, characterized in that: The first fixing portion and the second fixing portion are both elastic rubber parts.

5. The joint structure for a flexible air duct according to any one of claims 1 to 4, characterized in that: There are a plurality of the first fixing holes, and the plurality of the first fixing holes are evenly arranged on the first fixing portion.

6. The joint structure for a flexible air duct according to any one of claims 1 to 4, characterized in that: There are two compression ribs, and the two compression ribs are respectively sleeved on the outer sides of the two ends of the sealing member.

7. The joint structure for a flexible air duct according to any one of claims 1 to 4, characterized in that: The length of the flexible protective skirt is not less than the length of the connecting piece.

Images