A profiled connecting pipe

Abstract

The utility model discloses a special-shaped connecting pipe fitting, including base, be equipped with two groups of connecting pipe on the base, be equipped with flexible pipeline between two groups connecting pipe, two ends of flexible pipeline are fixedly connected with corresponding connecting pipe respectively, two groups connecting pipe all are installed with corresponding water pipe, and connecting pipe is rotatably connected with base through mounting shaft, and the mounting shaft is sleeved with two groups of symmetrical distribution's ratchet wheel, be equipped with two groups with the pawl of ratchet wheel corresponding arrangement in base, two groups pawl are engaged connection with corresponding ratchet wheel respectively, and water pipe is screwed with corresponding connecting pipe, two groups of symmetrical distribution's locating rod are fixedly installed on water pipe, and connecting pipe can rotate freely on base through mounting shaft, realize flexible angle adjustment, satisfy complex pipe layout demand, and the cooperation design of ratchet wheel and pawl can be quick locking for mounting shaft at any angle, ensure that pipeline connection is stable, prevent and cause deflection because of fluid impact or external force.

Description

Technical Field

[0001] This utility model relates to the technical field of irregular-shaped connecting pipe fittings, specifically an irregular-shaped connecting pipe fitting. Background Technology

[0002] In mechanical engineering and fluid transport systems, irregularly shaped pipe fittings serve as crucial transitional components in pipeline networks, undertaking important functions such as connecting different pipe sections, changing the direction of medium flow, and regulating flow distribution. Their structural design and performance directly determine the operational efficiency of the entire pipeline system. These special fittings must not only meet basic sealing requirements to prevent fluid leakage but also possess sufficient mechanical strength to withstand the stress effects caused by system pressure, vibration, and temperature changes. Furthermore, as modern industrial equipment develops towards compactness and modularity, the ease of installation and spatial adaptability of irregularly shaped pipe fittings are increasingly becoming important indicators for evaluating their practical value.

[0003] Currently, complex pipeline layouts often require multi-angle turns and connections. However, traditional elbows or tees are usually designed with fixed angles, making it difficult to adapt to the flexible adjustment needs of on-site installation. In traditional pipeline connection systems, threaded or flanged connections have long been dominant. However, in scenarios requiring frequent disassembly and maintenance, threaded connections are prone to thread wear due to repeated tightening, which can lead to sealing failure. Flange connections rely on bolt fastening, which is cumbersome and time-consuming to install, and is extremely inconvenient to operate, especially in space-constrained conditions. Utility Model Content

[0004] The purpose of this utility model is to provide an irregularly shaped connecting pipe fitting to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an irregularly shaped connecting pipe fitting, including a base, on which two sets of connecting pipes are provided, and a flexible pipe is provided between the two sets of connecting pipes. The two ends of the flexible pipe are respectively fixedly connected to the corresponding connecting pipes. A corresponding water pipe is installed on each of the two sets of connecting pipes. The connecting pipes are rotatably connected to the base through an installation shaft. Two sets of symmetrically distributed ratchet wheels are sleeved on the installation shaft. Two sets of pawls corresponding to the ratchet wheels are provided inside the base. The two sets of pawls are respectively engaged with the corresponding ratchet wheels. The water pipes are threadedly connected to the corresponding connecting pipes. Two sets of symmetrically distributed positioning rods are fixedly installed on the water pipes. Two sets of slides are slidably installed inside the connecting pipes. Insert rods are fixedly installed on each of the two sets of slides.

[0006] As a further preferred embodiment of this technical solution, both sets of pawls are rotatably connected to the base via rotating rods. A second torsion spring is sleeved on the rotating rod, and the two ends of the second torsion spring are fixedly connected to the pawl and the base, respectively. A second gear is sleeved on both sets of rotating rods, and two sets of second racks corresponding to the second gears are slidably installed in the base. The two sets of second racks are respectively meshed with the corresponding second gears.

[0007] As a further preferred embodiment of this technical solution, a connecting frame is slidably installed inside the base, the connecting frame is fixedly connected to two sets of second racks respectively, a pull rod is fixedly installed on the connecting frame, and two sets of second sliding rods are fixedly installed inside the base, with the connecting frame slidably sleeved with the two sets of second sliding rods respectively.

[0008] As a further preferred embodiment of this technical solution, two sets of symmetrically distributed second springs are sleeved on the second slide rod, and the two ends of the two sets of second springs are respectively fixedly connected to the corresponding connecting frame and the base.

[0009] As a further preferred embodiment of this technical solution, the insertion rod and the positioning rod are correspondingly arranged, the insertion rod and the corresponding positioning rod are movably engaged, and a third spring is sleeved on the insertion rod, with the two ends of the third spring being fixedly connected to the insertion rod and the connecting tube, respectively.

[0010] As a further preferred embodiment of this technical solution, a first rack is fixedly installed on both sets of the slides, and a first gear is provided between the two sets of the first racks. The first gear is rotatably connected to the connecting pipe through the handle. The two sets of slides are centrally symmetrical about the handle. A first torsion spring is sleeved on the handle, and the two ends of the first torsion spring are fixedly connected to the first gear and the connecting pipe, respectively.

[0011] As a further preferred embodiment of this technical solution, two sets of first slide rods corresponding to the slide frame are fixedly installed inside the connecting pipe. The slide frame is slidably sleeved with the corresponding first slide rod. Two sets of symmetrically distributed first springs are sleeved on the first slide rod. The two ends of the two sets of first springs are fixedly connected to the slide frame and the connecting pipe, respectively.

[0012] This utility model provides an irregularly shaped connecting pipe fitting, which has the following advantages:

[0013] (1) In this utility model, the connecting pipe can rotate freely on the base through the mounting shaft to achieve flexible angle adjustment, meet the needs of complex pipeline layout. The ratchet and pawl cooperation design can quickly lock the mounting shaft at any angle to ensure the pipeline connection is stable and prevent deflection caused by fluid impact or external force. The pawl lock can be released by the linkage of the pull rod, which is easy to operate and greatly improves the installation efficiency.

[0014] (2) This utility model uses a threaded connection between the water pipe and the connecting pipe, and forms a double fixation by the snap-fit ​​of the insertion rod and the positioning rod, which effectively prevents the threads from loosening due to vibration. The insertion rod can be retracted synchronously by turning the handle, realizing one-click quick disassembly and assembly, significantly reducing the difficulty of maintenance, and is especially suitable for working conditions that require frequent maintenance or have limited space. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram showing the structural separation of the connecting pipe and the water pipe of this utility model;

[0017] Figure 3 For the present utility model Figure 2 Enlarged view of the structure at point A;

[0018] Figure 4 This is a schematic diagram showing the structural separation of the connecting pipe and the base of this utility model;

[0019] Figure 5 For the present utility model Figure 4 Enlarged view of the structure at point B;

[0020] In the diagram: 1. Base; 2. Flexible pipe; 3. Connecting pipe; 4. Water pipe; 5. Slide; 6. Insert rod; 7. Third spring; 8. Positioning rod; 9. First rack; 10. First gear; 11. Handle; 12. First torsion spring; 13. First slide rod; 14. First spring; 15. Mounting shaft; 16. Ratchet; 17. Pawl; 18. Rotating rod; 19. Second torsion spring; 20. Second gear; 21. Second rack; 22. Connecting frame; 23. Pull rod; 24. Second slide rod; 25. Second spring. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] This utility model provides a technical solution: such as Figure 1 , Figure 4 and Figure 5As shown, in this embodiment, an irregularly shaped connecting pipe fitting includes a base 1, on which two sets of connecting pipes 3 are provided, and a flexible pipe 2 is provided between the two sets of connecting pipes 3. The two ends of the flexible pipe 2 are respectively fixedly connected to the corresponding connecting pipes 3. Corresponding water pipes 4 are installed on each of the two sets of connecting pipes 3. The connecting pipes 3 are rotatably connected to the base 1 via a mounting shaft 15. Two sets of symmetrically distributed ratchet wheels 16 are sleeved on the mounting shaft 15. The base 1 has two sets of pawls 17 corresponding to the ratchet wheels 16, and the two sets of pawls 17 are respectively engaged with the corresponding ratchet wheels 16. The water pipes 4 are connected to the corresponding... The connecting pipe 3 is threaded. Two sets of symmetrically distributed positioning rods 8 are fixedly installed on the water pipe 4. Two sets of slides 5 are slidably installed inside the connecting pipe 3. Insert rods 6 are fixedly installed on both sets of slides 5. Both sets of pawls 17 are rotatably connected to the base 1 through rotating rods 18. A second torsion spring 19 is sleeved on the rotating rod 18. The two ends of the second torsion spring 19 are fixedly connected to the pawls 17 and the base 1, respectively. A second gear 20 is sleeved on both sets of rotating rods 18. Two sets of second racks 21 corresponding to the second gears 20 are slidably installed inside the base 1. The two sets of second racks 21 are divided into The connecting frame 22 is slidably installed inside the base 1 and is fixedly connected to two sets of second racks 21. A pull rod 23 is fixedly installed on the connecting frame 22. Two sets of second slide rods 24 are fixedly installed inside the base 1 and are slidably sleeved with the connecting frame 22. Two sets of symmetrically distributed second springs 25 are sleeved on the second slide rods 24. The two ends of the two sets of second springs 25 are fixedly connected to the corresponding connecting frame 22 and the base 1, respectively. The angle of the connecting tube 3 is achieved through the mounting shaft 15. The adjustment mechanism consists of two symmetrically distributed ratchet wheels 16 and pawls 17 forming the core locking mechanism. When the connecting tube 3 rotates to the target angle, the pawl 17 automatically engages with the ratchet wheel 16 under the action of the second torsion spring 19, forming a mechanical self-lock. During adjustment, simply pull the lever 23, which drives the two sets of second racks 21 to move synchronously through the connecting frame 22, driving the second gear 20 to rotate and disengage the pawl 17 from the ratchet wheel 16. At this time, the connecting tube 3 can rotate freely. After releasing the lever 23, the second spring 25 and the second torsion spring 19 push the connecting frame 22 to reset, and the pawl 17 re-engages and locks.

[0023] like Figure 2 and Figure 3As shown, the insertion rod 6 and the positioning rod 8 are correspondingly arranged, and the insertion rod 6 and the corresponding positioning rod 8 are movably engaged. A third spring 7 is sleeved on the insertion rod 6, and the two ends of the third spring 7 are fixedly connected to the insertion rod 6 and the connecting tube 3, respectively. A first rack 9 is fixedly installed on each of the two sets of slides 5, and a first gear 10 is provided between the two sets of first racks 9. The first gear 10 is rotatably connected to the connecting tube 3 through the handle 11. The two sets of slides 5 are centrally symmetrically distributed about the handle 11. A first torsion spring 12 is sleeved on the handle 11, and the two ends of the first torsion spring 12 are fixedly connected to the first gear 10 and the connecting tube 3, respectively. Two sets of first slide rods 13 corresponding to the slides 5 are fixedly installed inside the connecting tube 3. The slides 5 and the corresponding first slide rods 13 are slidably engaged. Two sets of symmetrically distributed first springs 14 are sleeved on the first slide rods 13. The two ends of the two sets of first springs 14 are fixedly connected to the slide 5 and the connecting pipe 3 respectively. When the water pipe 4 is installed, the rotating handle 11 drives the two sets of first racks 9 to move in opposite directions through the first gear 10, which drives the slide 5 to compress the first spring 14 and retract the insertion rod 6. After the threads of the water pipe 4 are tightened, the handle 11 is released. Under the action of the first torsion spring 12, the insertion rod 6 is automatically inserted into the slot of the positioning rod 8 under the push of the third spring 7, forming a mechanical interlock. This linkage mechanism ensures that the connecting pipe 3 and the water pipe 4 are automatically aligned and positioned when they are threaded. The rigid connection between the insertion rod 6 and the positioning rod 8 effectively resists the loosening of the threads caused by vibration. Moreover, the operation of the single handle 11 can control the two sets of insertion rods 6 at the same time, realizing quick disassembly and assembly. When the angle is adjusted, the flexible pipe 2 adapts to the deflection of the connecting pipe 3 through elastic deformation, avoiding stress concentration caused by hard connection.

[0024] This utility model provides an irregularly shaped connecting pipe fitting. The specific working principle is as follows: The connecting pipe 3 is angled via the mounting shaft 15. Two symmetrically distributed ratchet wheels 16 and pawls 17 constitute the core locking mechanism. When the connecting pipe 3 rotates to the target angle, the pawl 17 automatically engages with the ratchet wheel 16 under the action of the second torsion spring 19, forming a mechanical self-lock. During adjustment, simply pull the lever 23, which drives the two sets of second racks 21 to move synchronously through the connecting frame 22, driving the second gear 20 to rotate and disengage the pawl 17 from the ratchet wheel 16. At this time, the connecting pipe 3 can rotate freely. After releasing the lever 23, the second spring 25 and the second torsion spring 19 push the connecting frame 22 to reset, and the pawl 17 re-engages and locks. During pipe 4 installation, rotating handle 11 drives two sets of first racks 9 to move in opposite directions via first gear 10, which in turn drives slide 5 to compress first spring 14, causing insert rod 6 to retract. After the threads of water pipe 4 are tightened, releasing handle 11 allows insert rod 6 to automatically insert into the slot of positioning rod 8 under the action of first torsion spring 12, thus forming a mechanical interlock. This linkage mechanism ensures that the connecting pipe 3 and water pipe 4 are automatically aligned and positioned during threaded connection, and the rigid engagement of insert rod 6 and positioning rod 8 effectively resists thread loosening caused by vibration. Moreover, a single handle 11 operation can simultaneously control two sets of insert rods 6, enabling quick assembly and disassembly. When the angle is adjusted, flexible pipe 2 adapts to the deflection of connecting pipe 3 through elastic deformation, avoiding stress concentration caused by hard connection.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A profiled connecting pipe fitting comprising a base (1), characterised in that: The base (1) is provided with two sets of connecting pipes (3), and a flexible pipe (2) is provided between the two sets of connecting pipes (3). The two ends of the flexible pipe (2) are fixedly connected to the corresponding connecting pipes (3). A corresponding water pipe (4) is installed on each of the two sets of connecting pipes (3). The connecting pipe (3) is rotatably connected to the base (1) through the mounting shaft (15). Two sets of symmetrically distributed ratchet wheels (16) are sleeved on the mounting shaft (15). Two sets of pawls (17) corresponding to the ratchet wheels (16) are provided in the base (1). The two sets of pawls (17) are respectively engaged with the corresponding ratchet wheels (16). The water pipe (4) is threadedly connected to the corresponding connecting pipe (3). Two sets of symmetrically distributed positioning rods (8) are fixedly installed on the water pipe (4). Two sets of slides (5) are slidably installed in the connecting pipe (3). A plug rod (6) is fixedly installed on each of the two sets of slides (5).

2. A profiled connecting pipe according to claim 1, characterized in that: Both sets of pawls (17) are rotatably connected to the base (1) via rotating rods (18). A second torsion spring (19) is sleeved on the rotating rod (18). The two ends of the second torsion spring (19) are fixedly connected to the pawls (17) and the base (1) respectively. A second gear (20) is sleeved on both sets of rotating rods (18). Two sets of second racks (21) corresponding to the second gears (20) are slidably installed in the base (1). The two sets of second racks (21) are respectively meshed with the corresponding second gears (20).

3. A profiled connecting pipe according to claim 1, characterized in that: A connecting frame (22) is slidably installed inside the base (1). The connecting frame (22) is fixedly connected to two sets of second racks (21). A pull rod (23) is fixedly installed on the connecting frame (22). Two sets of second slide rods (24) are fixedly installed inside the base (1). The connecting frame (22) is slidably sleeved with the two sets of second slide rods (24).

4. A profiled connecting pipe according to claim 3, characterized in that: Two sets of symmetrically distributed second springs (25) are sleeved on the second slide rod (24), and the two ends of the two sets of second springs (25) are fixedly connected to the corresponding connecting frame (22) and the base (1) respectively.

5. A profiled connecting pipe according to claim 1, characterized in that: The insertion rod (6) is correspondingly set with the positioning rod (8). The insertion rod (6) is movably engaged with the corresponding positioning rod (8). A third spring (7) is sleeved on the insertion rod (6). The two ends of the third spring (7) are fixedly connected to the insertion rod (6) and the connecting tube (3) respectively.

6. A profiled connecting pipe according to claim 1, characterized in that: Both sets of slides (5) are fixedly mounted with a first rack (9), and a first gear (10) is provided between the two sets of first racks (9). The first gear (10) is rotatably connected to the connecting tube (3) through the handle (11). The two sets of slides (5) are centrally symmetrical about the handle (11). A first torsion spring (12) is sleeved on the handle (11). The two ends of the first torsion spring (12) are fixedly connected to the first gear (10) and the connecting tube (3) respectively.

7. A profiled connecting pipe according to claim 1, characterized in that: Two groups of first sliding rods (13) corresponding to the sliding frame (5) are fixedly installed in the connecting pipe (3), the sliding frame (5) is slidably sleeved with the corresponding first sliding rod (13), two groups of symmetrically distributed first springs (14) are sleeved on the first sliding rod (13), and two ends of the two groups of first springs (14) are fixedly connected with the sliding frame (5) and the connecting pipe (3) respectively.

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