Pipeline connecting device for firefighting pipeline
By designing a structure in which the docking parts cooperate with the locking mechanism in the fire-fighting pipe connection device, and using the butt sleeve and extruded sealing ring to achieve the tightening and sealing of the pipe, the problems of cumbersome operation and imbalance in the locking force in the prior art are solved, and the stability and sealing effect of the connection are improved.
Patent Information
- Application Number
- CN202421794574.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing fire piping connection devices are complicated to operate and the bolt locking force is unbalanced, which can easily lead to the risk of leakage due to unbalanced connection.
A pipe connection device for fire-fighting pipes is designed, and the butt parts are used to cooperate with the locking mechanism to achieve the tightening and sealing of the pipes through the butt sleeve and the extrusion sealing ring.
It achieves more convenient and flexible operation, and the tightening force is more balanced and stable when tightening, reducing leakage risk.
Smart Images
Figure CN222798360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire-fighting pipelines, and more specifically to a pipeline connecting device for fire-fighting pipelines. Background Art
[0002] Fire-fighting pipes are pipe components used to transport fire-fighting water and are an indispensable part of a building's fire protection system. During the installation of fire-fighting pipes, pipe connecting devices are required to splice two sections of pipes.
[0003] The current connection structure generally requires a connecting flange to be set at the end of the pipeline, and then the connecting part is connected by tightening a large number of bolts one by one. This method not only has complicated operation steps and requires tightening one by one, but also is not convenient for ensuring the balance of the tightening force of each bolt, and there is a risk of leakage caused by unbalanced docking. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pipe connecting device for fire protection pipes to solve the background technical problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A pipe connection device for a fire-fighting pipe comprises two butt-jointed pipes, the outer sides of opposite ends of the two butt-jointed pipes are fixed with butt-jointed parts, a locking mechanism is connected and matched between the two butt-jointed parts, a butt-jointed sleeve is rotatably mounted inside the locking mechanism, an extrusion sealing ring is arranged in the middle of the butt-jointed sleeve, and the opposite ends of the two butt-jointed pipes are respectively in contact and matched with two sides of the extrusion sealing ring.
[0007] As a further description of the above technical solution: the docking part includes an outer ferrule, a connecting ring and an extrusion part, the inner part of the outer ferrule is fixedly connected to the outer side of the docking pipe, the extrusion part is installed to the inner side of the outer ferrule, one side of the connecting ring is fixedly connected to the outer ferrule, and the connecting ring is connected and cooperated with the locking mechanism.
[0008] As a further description of the above technical solution: the extrusion part includes a plurality of springs and a movable sealing ring, one end of the spring is fixedly connected to the inner side of the outer sleeve, the other end of the spring is fixedly connected to the movable sealing ring, the inner part of the movable sealing ring is slidably connected to the outer side of the docking pipe, and one side of the movable sealing ring is in extrusion contact with the end of the docking sleeve.
[0009] As a further description of the above technical solution: the locking mechanism includes a rotating ring and an external threaded sleeve, the rotating ring is sleeved and rotated to connect to the outside of the docking sleeve, the outside of the rotating ring is fixedly connected to the external threaded sleeve, and the inside of the external threaded sleeve is threadedly connected to the outside of the connecting ring.
[0010] As a further description of the above technical solution: internal thread grooves in opposite directions are arranged on both sides of the interior of the external thread sleeve, and the outer sides of the two connecting rings are respectively threadedly connected and matched with the two internal thread grooves.
[0011] As a further description of the above technical solution: the interior of the docking sleeve is fixedly connected with sealing rubber rings arranged at equal distances, and the inner side of the sealing rubber ring is in contact with the outer side of the docking pipe.
[0012] Compared with the prior art, the advantages of the present invention are:
[0013] This solution uses the docking piece in conjunction with the locking mechanism, thereby achieving the advantages of a more convenient and flexible device for operation and a more balanced and stable tightening force when tightening. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;
[0016] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;
[0017] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model.
[0018] Description of the numbers in the figure:
[0019] 1. Docking pipe; 2. Docking part; 21. External ferrule; 22. Connecting ring; 23. Extrusion part; 231. Spring; 232. Moving sealing ring; 3. Locking mechanism; 31. Rotating ring; 32. External thread sleeve; 321. Internal thread groove; 4. Docking sleeve; 41. Sealing rubber ring; 5. Extrusion sealing ring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0021] See also Figures 1 to 4In the utility model, a pipe connection device for a fire-fighting pipe comprises two butt-jointed pipes 1, butt-jointed parts 2 are fixed to the outer sides of opposite ends of the two butt-jointed pipes 1, a locking mechanism 3 is connected and matched between the two butt-jointed parts 2, a butt-jointed sleeve 4 is rotatably installed inside the locking mechanism 3, an extrusion sealing ring 5 is arranged in the middle of the butt-jointed sleeve 4, and the opposite ends of the two butt-jointed pipes 1 are in contact and matched with the two sides of the extrusion sealing ring 5 respectively.
[0022] The two ends of the two butt joints 4 are connected to each other by the two butt joint sleeves 4, and the two butt joints 2 are connected to each other by the two sides of the locking mechanism 3. Then the locking mechanism 3 is rotated to rotate along the outside of the butt joint sleeve 4 to drive the two butt joints 2 to move relative to each other to the inside of the locking mechanism 3 by thread drive, so as to drive the two butt joints 1 to move relative to each other and clamp the extrusion sealing ring 5 to realize extrusion sealing locking, thereby realizing that the device has the advantages of being more convenient and flexible to operate, and at the same time, the tightening force is more balanced and stable when tightening, which solves the problem that the prior art generally requires a connecting flange to be set at the end of the pipeline, and then it is tightened one by one with the butt joint by more bolts. This method not only has complicated operation steps and needs to be tightened one by one, but also is not convenient to ensure the balance of the locking force of each bolt, and there is a risk of leakage caused by uneven butt joint.
[0023] See also Figure 1 and Figure 4 , wherein: the docking piece 2 includes an outer ferrule 21, a connecting ring 22 and an extrusion piece 23, the inner part of the outer ferrule 21 is fixedly connected to the outer side of the docking pipe 1, the extrusion piece 23 is installed to the inner side of the outer ferrule 21, one side of the connecting ring 22 is fixedly connected to the outer ferrule 21, and the connecting ring 22 is connected and cooperated with the locking mechanism 3.
[0024] In the utility model, the connecting ring 22 on the outer sleeve 21 is connected to the locking mechanism 3. The locking mechanism 3 can be rotated to drive the connecting ring 22 to move toward the inside of the locking mechanism 3, so as to drive the outer sleeve 21 and the docking pipe 1 to move synchronously toward the inside of the docking sleeve 4 and clamp, thereby realizing the connection. At the same time, the extrusion piece 23 is squeezed to improve the sealing effect.
[0025] See also Figure 1 and Figure 3 , wherein: the extrusion piece 23 includes a plurality of springs 231 and a movable sealing ring 232, one end of the spring 231 is fixedly connected to the inner side of the outer sleeve 21, the other end of the spring 231 is fixedly connected to the movable sealing ring 232, the inner part of the movable sealing ring 232 is slidably connected to the outer side of the docking pipe 1, and the movable sealing ring 232 is in extrusion contact with the end of the docking sleeve 4 on one side of the spring 231.
[0026] In the utility model, the spring 231 and the movable sealing ring 232 are driven to move by the movable outer sleeve 21, so that the movable sealing ring 232 contacts the end of the docking sleeve 4, and then the spring 231 is squeezed by the outer sleeve 21 to squeeze the movable sealing ring 232, so that it contacts closely with the docking sleeve 4, thereby improving the sealing performance.
[0027] See also Figure 1 , wherein: the locking mechanism 3 includes a rotating ring 31 and an external threaded sleeve 32, the rotating ring 31 is sleeved and rotated to be connected to the outside of the docking sleeve 4, the outside of the rotating ring 31 is fixedly connected to the external threaded sleeve 32, and the inside of the external threaded sleeve 32 is threadedly connected to the outside of the connecting ring 22.
[0028] In the present invention, the external threaded sleeve 32 is stably rotated by rotating the ring 31, so as to realize the threaded connection of the connecting rings 22 on both sides and realize the tightening operation.
[0029] See also Figure 1 , wherein: internal thread grooves 321 with opposite directions are arranged on both sides of the interior of the external thread sleeve 32, and the outer sides of the two connecting rings 22 are threadedly connected and matched with the two internal thread grooves 321 respectively.
[0030] In the utility model, the connection between the connecting ring 22 and the external threaded sleeve 32 is made more stable through the internal thread groove 321, and an integrated fastening effect is achieved, and the fastening effect is more uniform.
[0031] See also Figure 1 , wherein: the interior of the docking sleeve 4 is fixedly connected with sealing rubber rings 41 arranged at equal distances, and the inner side of the sealing rubber ring 41 is in contact with the outer side of the docking pipe 1.
[0032] In the utility model, the sealing effect between the butt joint pipe 1 and the butt joint sleeve 4 is better through the sealing rubber ring 41 .
[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A pipe connection device for fire fighting pipes, comprising two butt-jointed pipes (1), characterized in that: A docking piece (2) is fixed to the outer side of the opposite ends of the two docking pipes (1); a locking mechanism (3) is connected and matched between the two docking pieces (2); a docking sleeve (4) is rotatably mounted inside the locking mechanism (3); an extrusion sealing ring (5) is arranged in the middle of the docking sleeve (4); and the opposite ends of the two docking pipes (1) are in contact and match with the two sides of the extrusion sealing ring (5) respectively.
2. A pipe connection device for fire protection pipes according to claim 1, characterized in that: The docking component (2) includes an outer ferrule (21), a connecting ring (22) and an extrusion component (23); the interior of the outer ferrule (21) is fixedly connected to the outside of the docking pipe (1); the extrusion component (23) is installed to the inside of the outer ferrule (21); one side of the connecting ring (22) is fixedly connected to the outer ferrule (21); and the connecting ring (22) is connected and cooperated with the locking mechanism (3).
3. A pipe connection device for fire protection pipes according to claim 2, characterized in that: The extrusion member (23) includes a plurality of springs (231) and a movable sealing ring (232), one end of the spring (231) is fixedly connected to the inner side of the outer sleeve (21), the other end of the spring (231) is fixedly connected to the movable sealing ring (232), the inner part of the movable sealing ring (232) is slidably connected to the outer side of the docking pipe (1), and one side of the movable sealing ring (232) is in extrusion contact with the end of the docking sleeve (4) based on the spring (231).
4. A pipe connection device for fire protection pipes according to claim 2, characterized in that: The locking mechanism (3) comprises a rotating ring (31) and an externally threaded sleeve (32); the rotating ring (31) is sleeved and rotated to be connected to the outer side of the docking sleeve (4); the outer side of the rotating ring (31) is fixedly connected to the externally threaded sleeve (32); and the inner side of the externally threaded sleeve (32) is threadedly connected to the outer side of the connecting ring (22).
5. A pipe connection device for fire fighting pipes according to claim 4, characterized in that: Internal thread grooves (321) in opposite directions are provided on both sides of the interior of the external thread sleeve (32), and the outer sides of the two connecting rings (22) are respectively threadedly connected to the two internal thread grooves (321).
6. A pipe connection device for fire protection pipes according to claim 1, characterized in that: The interior of the docking sleeve (4) is fixedly connected with sealing rubber rings (41) arranged at equal distances, and the inner side of the sealing rubber ring (41) is in contact with the outer side of the docking pipe (1).