Soft connector sealing joint structure applied to fan

Abstract

The utility model relates to a soft connector sealing joint structure applied to a fan. The soft connector sealing joint structure comprises flexible connecting cloth, a connecting flange is fixedly connected to the outer side of the end of the flexible connecting cloth, a sealing ring is fixedly connected to the inner side of the flexible connecting cloth, a sealing frame is connected to the outer side of the connecting flange in a sleeved mode, and sound insulation cotton is fixedly connected to the outer side of the sealing frame. According to the soft connector sealing joint structure applied to the draught fan, the sealing ring is the flexible steel ring, and the sealing ring is fixedly connected to the outer side of the sealing ring, so that when the sealing ring is fixed to the inner side of the flexible connecting cloth and connected with a pipeline through the connecting flange, the pipeline can extrude the end, located on the outer side of the flexible connecting cloth, of the sealing ring; the sealing frames located on the outer side of the connecting flange can cover the connecting flange to conduct double sealing on the connecting position of the whole connector structure, so that the sealing performance of the connecting position is improved, and the sound insulation cotton located between the two sealing frames can cover the outer side of the flexible connecting cloth to conduct sound insulation due to the fact that the sound insulation cotton is annularly distributed; and the sound insulation of the joint structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of joints, in particular to a soft connector sealing joint structure applied to a fan. Background Art

[0002] The fan can be used for ventilation in various places, or to enhance heat dissipation. The soft connector joint of the fan is a hollow flexible product used for flexible connection in the fan.

[0003] During operation, the existing fans have a large air volume, which easily causes the connector joints and pipes to vibrate and make noise during the air supply process, thereby causing the connector joints to vibrate and affect the sealing of the subsequent joints. As a result, the soft connector joints still have certain limitations during use. Therefore, a soft connector sealing joint structure applied to fans is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a soft connector sealing joint structure applied to a fan, which has the advantages of improving the connection sealing and sound insulation, and solves the problems of poor connection sealing and sound insulation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soft connector sealing joint structure applied to a fan, comprising a flexible connecting cloth, a connecting flange is fixedly connected to the outer side of the end of the flexible connecting cloth, a sealing ring is fixedly connected to the inner side of the flexible connecting cloth, a sealing frame is sleeved on the outer side of the connecting flange, and a sound insulation cotton is fixedly connected to the outer side of the sealing frame;

[0006] A connecting piece is provided on the front side of the sealing frame;

[0007] The connecting piece includes a connecting block with one end fixedly connected to the front side of the sealing frame, a connecting sleeve is slidably connected to the outer side of the connecting block, a hinge block is fixedly connected to the outer side of the connecting sleeve, a rotating block is rotatably connected to the inner side of the hinge block, and a limiting block is fixedly connected to the inner side of the rotating block with one end penetrating and extending into the interior of the connecting block.

[0008] Furthermore, the sealing ring is a flexible steel ring, the number of the sealing rings is two, and the two sealing rings are symmetrically distributed on the inner side of the flexible connecting cloth.

[0009] Furthermore, the number of the sealing rings is four, and the four sealing rings are arranged in groups of two and are equidistantly distributed on the two sealing rings.

[0010] Furthermore, there are two sealing frames, which are respectively located on the outsides of the two connecting flanges, and each sealing frame is composed of two semicircular frames, which are hinged by hinges.

[0011] Furthermore, the number of the connecting blocks is four, and the four connecting blocks are symmetrically distributed on the semicircular frame in groups of two.

[0012] Furthermore, the sound insulation cotton is distributed in a ring shape between the two sealing frames, and a limiting groove located outside the limiting block is opened on the outside of the connecting block, and one end of the limiting block located inside the limiting groove is inclined.

[0013] Furthermore, the inner side of the hinge block is rotatably connected to the rotating block via a rotating shaft, and a torsion spring is provided between the outer side of the rotating block and the inner side of the hinge block.

[0014] Furthermore, the inner wall of the sealing frame is provided with a plurality of fixing grooves, and the plurality of fixing grooves are distributed on the sealing frame in an annular shape and at equal intervals.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] 1. The soft connector sealing joint structure applied to the fan has a sealing ring which is a flexible steel ring and is fixedly connected with a sealing ring on its outer side. Therefore, when the sealing ring is fixed on the inner side of the flexible connecting cloth and connected to the pipeline through the connecting flange, the pipeline can squeeze the end of the sealing ring located on the outer side of the flexible connecting cloth, and the sealing frame located on the outer side of the connecting flange can cover the connecting flange to perform double sealing on the connection of the entire joint structure, thereby improving the sealing of the connection. The sound insulation cotton located between the two sealing frames is distributed in an annular shape and can cover the outer side of the flexible connecting cloth to perform sound insulation, thereby improving the sound insulation of the joint structure.

[0017] 2. The sealing joint structure of the soft connector used for the fan has a sealing frame composed of two semicircular frames, and the semicircular frames are fixed by limiting blocks on the connecting block, the connecting sleeve and the rotating block. Therefore, the sealing frame can be disassembled by pressing the rotating block to drive the limiting block to separate from the connecting block, thereby improving the convenience of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the sealing ring structure of the utility model;

[0020] Figure 3 This is a side sectional view of the sealing frame structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0022] In the figure: 1. Flexible connecting cloth; 2. Connecting flange; 3. Sealing ring; 4. Sealing ring; 5. Sealing frame; 6. Sound insulation cotton; 7. Connecting piece; 71. Connecting block; 72. Connecting sleeve; 73. Articulated block; 74. Rotating block; 75. Limiting block. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figure 1-2 In this embodiment, a soft connector sealing joint structure applied to a fan includes a flexible connecting cloth 1, a connecting flange 2 is fixedly connected to the outer side of the end of the flexible connecting cloth 1, a sealing ring 3 is fixedly connected to the inner side of the flexible connecting cloth 1, a sealing frame 5 is sleeved on the outer side of the connecting flange 2, and a sound insulation cotton 6 is fixedly connected to the outer side of the sealing frame 5.

[0025] In this embodiment, when it is fixed on the inner side of the flexible connecting cloth 1 and connected to the pipeline through the connecting flange 2, the pipeline can squeeze the end of the sealing ring 3 located on the outside of the flexible connecting cloth 1, and the sealing frame 5 located on the outside of the connecting flange 2 can cover the connecting flange 2 to perform double sealing on the connection of the entire joint structure, thereby improving the sealing of the connection. The sound insulation cotton 6 located between the two sealing frames 5 is distributed in an annular shape and can cover the outside of the flexible connecting cloth 1 for sound insulation.

[0026] The sealing ring 3 is a flexible steel ring. There are two sealing rings 3 , which are symmetrically distributed on the inner side of the flexible connecting cloth 1 , so that the sealing ring 3 can be bent to a certain arc when squeezed.

[0027] In addition, there are four sealing rings 4 , which are evenly distributed in groups of two on the two sealing rings 3 , and the two sealing rings 3 on each sealing ring 3 are respectively on the inner side and the outer side of the flexible connecting cloth 1 .

[0028] Secondly, there are two sealing frames 5, which are respectively located on the outsides of the two connecting flanges 2, and the sound insulation cotton 6 is distributed in a ring shape between the two sealing frames 5. The flexible connecting cloth 1 is covered by the sound insulation cotton 6 located between the two sealing frames 5.

[0029] See also Figure 3-4In this embodiment, a connecting member 7 is provided on the front side of the sealing frame 5; the connecting member 7 includes a connecting block 71 fixedly connected to the front side of the sealing frame 5 at one end, a connecting sleeve 72 is slidably connected to the outer side of the connecting block 71, a hinge block 73 is fixedly connected to the outer side of the connecting sleeve 72, a rotating block 74 is rotatably connected to the inner side of the hinge block 73, and a limiting block 75 is fixedly connected to the inner side of the rotating block 74, one end of which penetrates and extends to the inside of the connecting block 71.

[0030] In this embodiment, since the sealing frame 5 is composed of two semicircular frames, and the semicircular frames are limited and fixed by the connecting block 71, the connecting sleeve 72 and the limit block 75 on the rotating block 74, the sealing frame 5 can be disassembled by pressing the rotating block 74 to drive the limit block 75 to separate from the connecting block 71.

[0031] There are four connecting blocks 71 , which are symmetrically distributed in groups of two on the semicircular frame, and connection and positioning are performed through each group of connecting blocks 71 .

[0032] In addition, each sealing frame 5 is composed of two semicircular frames, which are hinged by a hinge. A limiting groove located on the outside of the limiting block 75 is opened on the outside of the connecting block 71. The end of the limiting block 75 located on the inside of the limiting groove is inclined, so that when the connecting sleeve 72 is sleeved on the outside of the connecting block 71, the inclined end of the limiting block 75 can be squeezed into the limiting groove.

[0033] Secondly, the inner side of the hinge block 73 is rotatably connected to the rotating block 74 via a rotating shaft, and a torsion spring is provided between the outer side of the rotating block 74 and the inner side of the hinge block 73, so that the rotating block 74 can be reset by the torsion spring when rotating in the hinge block 73.

[0034] Then, the inner wall of the sealing frame 5 is provided with a plurality of fixing grooves, which are distributed in an annular shape and at equal intervals on the sealing frame 5 , and the bolts connected to the connecting flange 2 are covered and limited by the fixing grooves on the sealing frame 5 .

[0035] The working principle of the above embodiment is:

[0036] Since the sealing ring 3 is a flexible steel ring and a sealing ring 4 is fixedly connected to its outer side, when it is fixed to the inner side of the flexible connecting cloth 1 and connected to the pipeline through the connecting flange 2, the pipeline can squeeze the end of the sealing ring 3 located on the outer side of the flexible connecting cloth 1, and the sealing frame 5 located on the outer side of the connecting flange 2 can cover the connecting flange 2 to perform double sealing on the connection of the entire joint structure, thereby improving the sealing of the connection, and the sound insulation cotton 6 located between the two sealing frames 5 is distributed in an annular shape and can cover the outer side of the flexible connecting cloth 1 to perform sound insulation and improve the sound insulation of the joint structure, and since the sealing frame 5 is composed of two semicircular frames, and the semicircular frames are limited and fixed by the connecting block 71, the connecting sleeve 72 and the limit block 75 on the rotating block 74, the sealing frame 5 can be disassembled by pressing the rotating block 74 to drive the limit block 75 to separate from the connecting block 71, thereby improving the convenience of assembly.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soft connector sealing joint structure for a fan, comprising a flexible connecting cloth (1), characterized in that: The outer side of the end of the flexible connecting cloth (1) is fixedly connected to a connecting flange (2), the inner side of the flexible connecting cloth (1) is fixedly connected to a sealing ring (3), the outer side of the connecting flange (2) is sleeved with a sealing frame (5), and the outer side of the sealing frame (5) is fixedly connected to a sound insulation cotton (6); A connecting piece (7) is provided on the front side of the sealing frame (5); The connecting member (7) comprises a connecting block (71) having one end fixedly connected to the front side of the sealing frame (5); a connecting sleeve (72) is slidably connected to the outer side of the connecting block (71); a hinge block (73) is fixedly connected to the outer side of the connecting sleeve (72); a rotating block (74) is rotatably connected to the inner side of the hinge block (73); and a limiting block (75) is fixedly connected to the inner side of the rotating block (74) with one end penetrating through and extending into the interior of the connecting block (71).

2. According to claim 1, a soft connector sealing joint structure used for a fan is characterized in that: The sealing ring (3) is a flexible steel ring. There are two sealing rings (3), and the two sealing rings (3) are symmetrically distributed on the inner side of the flexible connecting cloth (1).

3. The soft connector sealing joint structure used for a fan according to claim 1, characterized in that: The number of the sealing rings (4) is four, and the four sealing rings (4) are distributed in groups of two at equal distances on the two sealing rings (3).

4. The soft connector sealing joint structure used for a fan according to claim 1, characterized in that: There are two sealing frames (5), which are respectively located on the outsides of two connecting flanges (2). Each sealing frame (5) is composed of two semicircular frames, which are hingedly connected via hinges.

5. The soft connector sealing joint structure used for a fan according to claim 4, characterized in that: The number of the connecting blocks (71) is four, and the four connecting blocks (71) are symmetrically distributed on the semicircular frame in groups of two.

6. The soft connector sealing joint structure used in a fan according to claim 1, characterized in that: The sound insulation cotton (6) is distributed in a ring shape between the two sealing frames (5); a limiting groove located outside the limiting block (75) is provided on the outside of the connecting block (71); and one end of the limiting block (75) located inside the limiting groove is inclined.

7. The soft connector sealing joint structure used for a fan according to claim 1, characterized in that: The inner side of the hinge block (73) is rotatably connected to the rotating block (74) via a rotating shaft, and a torsion spring is provided between the outer side of the rotating block (74) and the inner side of the hinge block (73).

8. The soft connector sealing joint structure used in a fan according to claim 1, characterized in that: The inner wall of the sealing frame (5) is provided with a plurality of fixing grooves, and the plurality of fixing grooves are distributed on the sealing frame (5) in an annular shape and at equal intervals.

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