Pipeline connecting device

Abstract

The utility model discloses a pipeline connecting device which comprises a ventilation pipe body, a first connecting side frame and a second connecting frame, and one side of the ventilation pipe body is fixedly connected with the first connecting side frame. The sealing connection frame and the sealing connection groove are in auxiliary positioning connection, the connection sealing performance between the two ventilation pipe bodies is guaranteed, limiting clamping grooves and limiting hole grooves are additionally formed, limiting installation between the limiting clamping grooves and bevel edge limiting clamping blocks is achieved, limiting fixing between limiting bolts and the limiting hole grooves is achieved, and the sealing performance of the ventilation pipe bodies is guaranteed. And the two limiting clamping plates enter the limiting mounting grooves for position limiting, splicing mounting is conducted between the first connecting side frame and the second connecting frame, and splicing treatment is conducted between the two ventilation pipe bodies.

Description

Technical Field

[0001] The utility model relates to the technical field of suction plates, in particular to a pipeline connecting device. Background Art

[0002] HVAC refers to systems or related equipment responsible for heating, ventilation and air conditioning in a room or car. The design of HVAC systems applies thermodynamics, fluid mechanics and fluid machinery. Ventilation ducts are metal or non-metallic pipes used in ventilation and air conditioning engineering for industrial and civil buildings. They are a kind of municipal infrastructure to allow air circulation and reduce the concentration of harmful gases. When connecting existing ventilation ducts, they are usually installed and connected with multiple screws. After installing the ducts with multiple screws, it will be inconvenient to disassemble them later, and the installation process is also cumbersome. Utility Model Content

[0003] The purpose of the utility model is to provide a pipe connecting device to solve the problem that the existing ventilation duct connections proposed in the above background technology are usually installed and connected by multiple screws, which will make it inconvenient to disassemble the pipes later and is also cumbersome during the installation process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline connection device, including a ventilation pipe body, a No. 1 connection side frame and a No. 2 connection frame, one side of the ventilation pipe body is fixedly connected to the No. 1 connection side frame, the side of the ventilation pipe body away from the No. 1 connection side frame is fixedly connected to the No. 2 connection frame, one side of the No. 2 connection frame is symmetrically fixedly connected with two limiting clamps, one side of the No. 1 connection side frame is symmetrically provided with two limiting installation grooves that cooperate with the limiting clamps, the interior of the No. 1 connection side frame is slidably connected to a limiting slide, one side of the limiting slide is fixedly connected with a beveled limiting block, one of the limiting installation grooves is slidably connected to the beveled limiting block, the outer sides of the two limiting clamps are provided with limiting grooves that cooperate with the beveled limiting block, the internal thread of the No. 1 connection side frame is connected with a limiting bolt, and the interior of the limiting groove is provided with a limiting hole groove that cooperates with the limiting bolt.

[0005] As a preferred solution of the utility model: two springs are provided on one side of the limiting slide plate, and one end of the spring is fixedly connected to the No. 1 connecting side frame.

[0006] As a preferred solution of the utility model: a pull rod is fixedly connected to the side of the limiting slide away from the bevel limiting block, the pull rod is slidably connected to the No. 1 connecting side frame, and a pull block is fixedly connected to the end of the pull rod away from the limiting slide.

[0007] As a preferred solution of the utility model: one side of the No. 1 connecting side frame is fixedly connected with an external threaded barrel, the external threaded barrel is located outside the pull block, and one side of the external threaded barrel is installed with an internal threaded top cap that cooperates with the pull block.

[0008] As a preferred solution of the utility model: a sealing connection frame is fixedly connected to one side of the second connection frame, and a sealing connection groove cooperating with the sealing connection frame is opened on one side of the first connection side frame.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the utility model realizes auxiliary positioning connection between the sealing connection frame and the sealing connection groove when the two ventilation duct bodies are connected by adding a sealing connection frame and a sealing connection groove, thereby ensuring the sealing of the connection between the two ventilation duct bodies; by adding a limiting card slot and a limiting hole slot, it realizes limited installation between the limiting card slot and the bevel limiting card block, limited fixing between the limiting bolt and the limiting hole slot, and the two limiting card plates are placed in the limiting installation slot for position limitation, so that the No. 1 connecting side frame and the No. 2 connecting frame are spliced ​​and installed, and the two ventilation duct bodies are spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a side view of the utility model;

[0012] Figure 3 This is a schematic diagram of the internal structure of the bevel limiting block of the utility model;

[0013] Figure 4 This is the front view of the utility model;

[0014] Figure 5 It is the left view of the utility model.

[0015] In the figure: 1. ventilation duct body; 2. No. 1 connecting side frame; 3. sealing connecting frame; 4. sealing connecting groove; 5. limiting clamp plate; 6. limiting installation groove; 7. limiting clamp slot; 8. limiting hole groove; 9. bevel limiting clamp block; 10. limiting slide plate; 11. pull rod; 12. pull block; 13. spring; 14. external threaded cylinder; 15. internal threaded top cap; 16. limiting bolt; 17. No. 2 connecting frame. 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 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.

[0017] See also Figures 1 to 5 The utility model provides a technical solution: a pipeline connection device, including a ventilation pipe body 1, a No. 1 connection side frame 2 and a No. 2 connection frame 17, one side of the ventilation pipe body 1 is fixedly connected to the No. 1 connection side frame 2, the side of the ventilation pipe body 1 away from the No. 1 connection side frame 2 is fixedly connected to the No. 2 connection frame 17, one side of the No. 2 connection frame 17 is symmetrically fixedly connected with two limiting clamps 5, one side of the No. 1 connection side frame 2 is symmetrically provided with two limiting installation grooves 6 that cooperate with the limiting clamps 5, the interior of the No. 1 connection side frame 2 is slidably connected to a limiting slide plate 10, and one side of the limiting slide plate 10 is fixedly connected There is a beveled limit block 9, one of which is slidably connected to the beveled limit block 9. The outer sides of the two limit plates 5 are provided with limit slots 7 that cooperate with the beveled limit block 9. The internal thread of the No. 1 connecting side frame 2 is connected with a limit bolt 16. The interior of the limit slot 7 is provided with a limit hole slot 8 that cooperates with the limit bolt 16. The beveled limit block 9 enters the limit slot 7 for limit fixation, and then the limit bolt 16 is rotated inward, the limit bolt 16 moves into the limit slot 7, and the limit bolt 16 enters the limit hole slot 8 for further stabilization, thereby ensuring the stability of the pipeline connection.

[0018] Among them, two springs 13 are provided on one side of the limiting slide 10, one end of the spring 13 is fixedly connected to the No. 1 connecting side frame 2, and the spring 13 resets the moving position of the limiting slide 10. The limiting slide 10 is used to reset the position of the bevel limiting block 9 on one side, which is convenient for limiting and fixing with the limiting slot 7.

[0019] Among them, a pull rod 11 is fixedly connected to the side of the limiting slide 10 away from the bevel limiting block 9, and the pull rod 11 is slidably connected to the No. 1 connecting side frame 2. The end of the pull rod 11 away from the limiting slide 10 is fixedly connected to a pull block 12. The pull block 12 facilitates the pulling rod 11 to be pulled outward, so that the position of the limiting slide 10 and the bevel limiting block 9 can be moved for disassembly.

[0020] Among them, one side of the No. 1 connecting side frame 2 is fixedly connected with an external threaded tube 14, and the external threaded tube 14 is located on the outside of the pull block 12. One side of the external threaded tube 14 is installed with an internal threaded top cap 15 that cooperates with the pull block 12. The internal threaded top cap 15 is installed with the outer thread of the external threaded tube 14, and the pull block 12 is pushed by the internal threaded top cap 15. The position of the pull rod 11, the limiting slide plate 10 and the bevel limiting block 9 is limited by the pull block 12 to ensure the installation stability between the two ventilation pipe bodies 1.

[0021] Among them, a sealing connection frame 3 is fixedly connected to one side of the No. 2 connection frame 17, and a sealing connection groove 4 cooperating with the sealing connection frame 3 is opened on one side of the No. 1 connection side frame 2. The sealing connection frame 3 on one side of the No. 2 connection frame 17 enters the sealing connection groove 4 on one side of the No. 1 connection side frame 2 for sealing connection to ensure the sealing between the pipeline connections.

[0022] Specifically, when in use, the sealing connection frame 3 on one side of the No. 2 connection frame 17 enters the sealing connection groove 4 on one side of the No. 1 connection side frame 2 for sealing connection, and the pull rod 11 is pulled by the pull block 12. When the pull rod 11 is pulled, the limit slide 10 and the bevel limit block 9 are driven to move outward, and when the limit slide 10 moves, the spring 13 is pressed, and the two limit cards 5 enter the limit installation groove 6 on one side of the No. 1 connection side frame 2, and the pull block 12 is released. At this time, the spring 13 is reset and drives the limit slide 10 and the bevel limit block 9 to reset, and the bevel limit block 9 enters the limiting slot 7 for limiting fixation, and then rotates the limiting bolt 16 inward, the limiting bolt 16 moves into the limiting slot 7, and the limiting bolt 16 enters the limiting hole groove 8 for further stabilization, and then rotates the internal threaded top cap 15 to one side of the external threaded tube 14, the internal threaded top cap 15 is installed with the outer thread of the external threaded tube 14, and the pull block 12 is pushed by the internal threaded top cap 15, and the position of the pull rod 11, the limiting slide plate 10 and the bevel limiting block 9 is limited by the pull block 12 to ensure the installation stability between the two ventilation pipe bodies 1.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0026] 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 pipe connection device, comprising a ventilation pipe body (1), a first connection side frame (2) and a second connection frame (17), characterized in that: A first connection side frame (2) is fixedly connected to one side of the ventilation duct body (1), a second connection frame (17) is fixedly connected to one side of the ventilation duct body (1) away from the first connection side frame (2), two limiting clamps (5) are symmetrically fixedly connected to one side of the second connection frame (17), two limiting installation grooves (6) cooperating with the limiting clamps (5) are symmetrically provided on one side of the first connection side frame (2), a limiting slide plate (10) is slidably connected inside the first connection side frame (2), one side of the limiting slide plate (10) is fixedly connected with a bevel limiting block (9), one of the limiting installation grooves (6) is slidably connected to the bevel limiting block (9), the outer sides of the two limiting clamps (5) are provided with limiting grooves (7) cooperating with the bevel limiting block (9), the inner thread of the first connection side frame (2) is connected with a limiting bolt (16), and the inner side of the limiting groove (7) is provided with a limiting hole groove (8) cooperating with the limiting bolt (16).

2. A pipe connection device according to claim 1, characterized in that: Two springs (13) are provided on one side of the limiting slide plate (10), and one end of the spring (13) is fixedly connected to the first connecting side frame (2).

3. A pipe connection device according to claim 1, characterized in that: A pull rod (11) is fixedly connected to the side of the limiting slide (10) away from the bevel limiting block (9), the pull rod (11) is slidably connected to the first connecting side frame (2), and a pull block (12) is fixedly connected to the end of the pull rod (11) away from the limiting slide (10).

4. A pipe connection device according to claim 3, characterized in that: An external threaded barrel (14) is fixedly connected to one side of the No. 1 connecting side frame (2), and the external threaded barrel (14) is located outside the pull block (12). An internal threaded top cap (15) matching with the pull block (12) is installed on one side of the external threaded barrel (14).

5. A pipe connection device according to claim 1, characterized in that: A sealing connection frame (3) is fixedly connected to one side of the second connection frame (17), and a sealing connection groove (4) matching with the sealing connection frame (3) is provided on one side of the first connection side frame (2).

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