Connecting device for heating and ventilation pipelines of building

By combining snap-fit ​​and locking, the problem of cumbersome traditional HVAC pipe connection operations is solved, enabling rapid installation and disassembly, reducing construction difficulty and cost, while ensuring the sealing of the connection.

CN223953574UActive Publication Date: 2026-02-27王炎 +2
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Patent Information

Application Number
CN202520808064.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-02-27
Estimated Expiration
2035-04-27

AI Technical Summary

Technical Problem

Traditional HVAC duct connection methods are cumbersome, time-consuming, difficult and costly to construct, and complex and inefficient to disassemble.

Method used

It adopts a combination of snap-fit ​​and locking, achieving quick connection through snap teeth, embedded blocks, sealing grooves and sealing rings, and achieving quick locking by combining connecting tubes, access tubes, patches and fastening sleeves.

Benefits of technology

It improves installation and disassembly efficiency, reduces construction difficulty and cost, and ensures the sealing of the joints.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline connection, and discloses a building heating and ventilation pipeline connecting device which comprises a first connector and a second connector and further comprises a locking assembly. The locking assemblies are arranged on the first connector and the second connector respectively and used for locking the first connector and the second connector into a whole. A connecting pipe and a fastening structure; the connecting pipes are arranged on one side of the first connector and one side of the second connector respectively, one side of each connecting pipe is provided with an access pipe, an external pipeline is directly inserted into the access pipes, and the external pipeline and the access pipes are fixed into a whole through fastening structures. Compared with the prior art, the utility model has the advantages that: a clamping and locking combined mode is adopted, so that the mounting and the dismounting are quick, the mounting and dismounting efficiency is greatly improved, and the construction difficulty and the construction cost are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, specifically is a kind of connecting device of building heating and ventilation pipeline. BACKGROUND

[0002] Pipeline connection is a crucial link in heating and ventilation pipeline engineering, which ensures the continuity and stability of the pipeline system. Simply speaking, pipeline connection is to connect two or more sections of pipeline through a specific way to ensure that the fluid can flow smoothly and safely.

[0003] The traditional heating and ventilation pipeline connection method mainly adopts flange connection, that is, two flanges are fixed as a whole by using bolts. However, this connection method has many drawbacks. During installation, a large number of bolts are required, and each bolt needs to be accurately aligned and tightened step by step, which is tedious and time-consuming, greatly increasing the construction difficulty and labor cost. When disassembling, each bolt also needs to be loosened, which is complex and inefficient. UTILITY MODEL CONTENTS

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a connecting device for building heating and ventilation pipeline, which adopts a combination of clamping and locking, and is quick to install and disassemble, greatly improving the installation and disassembly efficiency and reducing the construction difficulty and cost.

[0006] II. Technical solutions

[0007] To solve the above technical problems, the utility model provides a connecting device for building heating and ventilation pipeline, which includes a first connector and a second connector, and further includes:

[0008] A locking assembly is provided on the first connector and the second connector, respectively, for locking the first connector and the second connector together.

[0009] A connecting pipe and a fastening structure are provided on one side of the first connector and the second connector, respectively. The connecting pipe is provided with an access pipe on one side, and the external pipeline is directly inserted into the access pipe and fixed together with the access pipe through the fastening structure.

[0010] As an improvement, the first connector and the second connector are provided with a sealing groove on one side, and the second connector is provided with a sealing ring matched with the sealing groove.

[0011] As an improvement, the locking assembly includes a clamping tooth and an embedded block. A plurality of clamping teeth are provided on the first connector and the second connector, respectively, and a plurality of embedded blocks are provided on one side of the clamping teeth, and the clamping teeth and the embedded blocks are used in cooperation.

[0012] As an improvement, the fastening structure comprises a patch; the pipe diameter of the access pipe is smaller than that of the connecting pipe, a plurality of patches are respectively arranged on one side of the connecting pipe and are distributed in a circular ring shape outside the access pipe, all the patches are arranged obliquely, and the ends of the patches are close to the outer wall of the access pipe; the fastening structure further comprises a fastening sleeve; the fastening sleeve is sleeved on the connecting pipe and is integrally screwed between the connecting pipe, and the side close to the access pipe of the fastening sleeve is a conical structure.

[0013] As an improvement, the fastening sleeve is provided with anti-skid lines.

[0014] Three, beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The first connecting head and the second connecting head can be quickly connected, fixed and integrated through the clamping teeth, the embedded blocks, the sealing grooves and the sealing rings, and the installation and disassembly are quick, and the mutual cooperation of the sealing grooves and the sealing rings ensures the sealing property of the connection.

[0017] 2. The connecting pipe, the access pipe, the patch and the fastening sleeve can be quickly and integrally locked with the pipeline, the whole adopts the combination mode of clamping and locking, the installation and disassembly efficiency is greatly improved, and the construction difficulty and cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the split state schematic of the connecting device of the building heating and ventilation pipeline of the utility model Figure 1 .

[0019] Figure 2 is the split state schematic of the connecting device of the building heating and ventilation pipeline of the utility model Figure 2 .

[0020] Figure 3 is the three-dimensional schematic view of the connecting device of the building heating and ventilation pipeline of the utility model.

[0021] As shown in the figure: 1, the first connecting head; 2, the second connecting head; 3, the clamping tooth; 4, the embedded block; 5, the sealing groove; 6, the sealing ring; 7, the connecting pipe; 8, the access pipe; 9, the patch; 10, the fastening sleeve. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0023] The utility model will be further described in detail below in combination with the drawings.

[0024] In order to quickly fix the first connector 1 and the second connector 2 integrally, in combination with the drawings Figure 1 and the drawings Figure 2 A connecting device for building heating and ventilation pipeline, comprising a first connector 1 and a second connector 2, further comprising: a locking assembly; the locking assembly is arranged on the first connector 1 and the second connector 2 respectively, and is used for locking the first connector 1 and the second connector 2 integrally; the locking assembly comprises a clamping tooth 3 and an embedded block 4; a plurality of clamping teeth 3 are arranged on the first connector 1 and the second connector 2 respectively, and a plurality of embedded blocks 4 are arranged on one side of the clamping tooth 3, and the clamping tooth 3 and the embedded block 4 are used in cooperation. The first connector 1 and the second connector 2 are adhered together, and then the first connector 1 on one side is rotated, at this time the embedded block 4 enters the clamping tooth 3 respectively, and there is a certain friction force between the inner wall of the clamping tooth 3 and the embedded block 4, so that the first connector 1 and the second connector 2 can be connected integrally, which is convenient and fast to install.

[0025] In order to improve the sealing performance of the connection, in combination with the drawings Figure 1 and the drawings Figure 2 One side of the first connector 1 and the second connector 2 is provided with a sealing groove 5, and the second connector 2 is provided with a sealing ring 6 matched with the sealing groove 5. The sealing groove 5 is embedded in the sealing ring 6, which ensures the sealing performance of the connection and guarantees the normal operation of the pipeline system.

[0026] In order to quickly and integrally connect the pipeline on both sides, in combination with the drawings Figure 2 and the drawings Figure 3The connecting pipe 7 is arranged on one side of the first connecting head 1 and the second connecting head 2, and one side of the connecting pipe 7 is provided with an access pipe 8, and an external pipeline is directly inserted on the access pipe 8 and is fixed and integrated with the access pipe 8 through the fastening structure. The fastening structure comprises a patch 9, the pipe diameter of the access pipe 8 is smaller than the pipe diameter of the connecting pipe 7, a plurality of patches 9 are arranged on one side of the connecting pipe 7 and are circularly distributed outside the access pipe 8, all the patches 9 are arranged to be inclined, and the end of the patch 9 is close to the outer wall of the access pipe 8. The fastening structure further comprises a fastening sleeve 10, the fastening sleeve 10 is sleeved on the connecting pipe 7 and is integrally screwed with the connecting pipe 7, and one side of the fastening sleeve 10 close to the access pipe 8 is a conical structure. The fastening sleeve 10 is provided with anti-skid lines. The fastening sleeve 10 is sleeved on the pipeline, one end of the pipeline is inserted on the access pipe 8, the patch 9 is located on the outer wall of the pipeline, and then the fastening sleeve 10 is screwed on the connecting pipe 7, and the conical structure on one side of the fastening sleeve 10 continuously extrudes the plurality of patches 9 close to the pipeline, so that the pipeline is quickly and integrally connected.

[0027] The utility model discloses in the specific implementation:

[0028] First, the first connecting head 1 and the second connecting head 2 are mutually adhered together, then the first connecting head 1 on one side is rotated, at this time the embedded block 4 enters the claw tooth 3 respectively, and there is a certain friction between the inner wall of the claw tooth 3 and the embedded block 4, so that the first connecting head 1 and the second connecting head 2 can be directly connected integrally, and the installation is convenient and fast.

[0029] Then, the two fastening sleeves 10 are sleeved on the two pipelines that need to be connected together, one end of the pipeline on both sides is inserted on the access pipe 8 respectively, so that the patch 9 is located on the outer wall of the pipeline, and then the fastening sleeve 10 is screwed on the connecting pipe 7, and the conical structure on one side of the fastening sleeve 10 continuously extrudes the plurality of patches 9 close to the pipeline, so that the pipeline is quickly and integrally connected.

[0030] The whole adopts the mode that clamping and locking are combined, greatly improves the installation and dismounting efficiency, and reduces the construction difficulty and cost.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0032] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A connecting device for heating pipes in a building, comprising a first connecting piece (1) and a second connecting piece (2), characterized in that, Also include: Locking assembly; locking assembly is respectively arranged on the first connector (1) and the second connector (2), for locking the first connector (1) and the second connector (2) integral; Connecting pipe (7) and fastening structure; connecting pipe (7) is respectively arranged on one side of the first connector (1) and the second connector (2), one side of the connecting pipe (7) is provided with access pipe (8), the external pipeline is directly inserted on the access pipe (8), and the pipeline and the access pipe (8) are fixed integral by the fastening structure.

2. A plumbing connection device for a heating and ventilation system according to claim 1, wherein: The opposite side of the first connector (1) and the second connector (2) is provided with sealing groove (5), the second connector (2) is provided with sealing ring (6) matched with the sealing groove (5).

3. The connecting device of the building heating and ventilation pipeline according to claim 1, wherein: The locking assembly comprises a plurality of clamping teeth (3) and a plurality of embedded blocks (4); the clamping teeth (3) are respectively arranged on the first connector (1) and the second connector (2), and the embedded blocks (4) are respectively arranged on one side of the clamping teeth (3); and the clamping teeth (3) and the embedded blocks (4) are used in cooperation.

4. The connecting device of the building heating and ventilation pipeline according to claim 3, wherein: The fastening structure comprises a plurality of patches (9); the diameter of the access pipe (8) is smaller than that of the connecting pipe (7); the patches (9) are respectively arranged on one side of the connecting pipe (7) and are distributed in a circular ring shape outside the access pipe (8); all the patches (9) are arranged obliquely, and the ends of the patches (9) are close to the outer wall of the access pipe (8); The fastening structure further comprises a fastening sleeve (10); the fastening sleeve (10) is sleeved on the connecting pipe (7) and is integrally connected with the connecting pipe (7) through screw threads; and one side of the fastening sleeve (10) close to the access pipe (8) is in a conical structure.

5. A plumbing connection device for a heating and ventilation system according to claim 4, wherein: The fastening sleeve (10) is provided with anti-skid lines.