A HVAC pipe connection structure
By designing a HVAC pipe connection structure including fixing frame, double-headed screw rod, guide rod and other components, the problem that the prior art cannot adapt to pipes of different diameters is solved, high versatility and flexibility are achieved, and the difficulty of use is reduced.
Patent Information
- Application Number
- CN202421487320.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing HVAC pipe connection devices cannot adapt to pipes of different diameters, resulting in insufficient versatility and flexibility, and are difficult to use.
A connection structure including a fixing frame, a double-headed screw, a guide rod, a bevel gear, a boom, a fixing ring, a shaft, a crank, a moving frame, a chain, a movable frame and a lock bolt are designed. Through the combination design of the chain and lock bolt, the connecting structure can adapt to pipes of different diameters, and the movement and connection of the pipes are easily controlled by a shaker.
This connection structure can adapt to pipes of different diameters, improves its versatility and flexibility, reduces the difficulty of use, and is compact and small intake of space, suitable for connecting pipes in narrow spaces.
Smart Images
Figure CN222717649U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pipeline connection, in particular to a HVAC pipeline connection structure. Background Art
[0002] In the HVAC system, pipe connection is a vital link, which is directly related to the operating efficiency and safety of the system. The current pipe connection requires some tools to assist in fixing the pipes before connecting and fixing the connections. However, the current auxiliary pipe fixing devices can only be applied to pipes of specific or fixed diameters and cannot adapt to pipes of different diameters. Utility Model Content
[0003] In order to overcome the above-mentioned deficiencies, the utility model provides a HVAC pipeline connection structure.
[0004] The technical solution adopted by this utility model:
[0005] A HVAC pipe connection structure comprises two fixed frames distributed on the left and right, the two ends of a double-headed screw respectively penetrate the middle of the two fixed frames, the two fixed frames are rotatably connected to the double-headed screw, the front and rear sides of the double-headed screw are provided with guide rods, the two ends of the guide rods are respectively fixedly connected to the two ends of the two fixed frames, the middle part of the outer wall of the double-headed screw is fixedly connected with a bevel gear 1, the front and rear sides of the bevel gear 1 are provided with hanging rods, the top ends of the two hanging rods are respectively fixedly connected to the middle outer walls of the two guide rods, a fixing ring is fixedly connected between the bottom ends of the two hanging rods, the middle part of the fixing ring is rotatably connected with a rotating shaft, the rotating shaft penetrates the middle part of the fixing ring, and the top end of the rotating shaft is fixedly connected with a bevel gear 2 The second bevel gear is meshed with the first bevel gear, and the bottom end of the rotating shaft is fixedly connected with a crank handle, and the two ends of the double-headed screw rod respectively pass through the middle of the two moving frames, and the outer walls of both ends of the double-headed screw rod are threadedly connected with the moving frames, and the two guide rods pass through the two ends of the moving frame, and the moving frame slides with the outer walls of the two guide rods. A chain is fixedly connected between the front and rear ends of the top of the moving frame, one end of the chain is fixed to the top of the moving frame, and one end of the chain is rotatably connected to a movable frame, and the other end of the chain extends in an arc shape to the upper rear side and penetrates into the movable frame, and the left side wall of the movable frame is threadedly connected with a locking bolt, which passes through the left side wall of the movable frame, and the end of the locking bolt abuts against the chain.
[0006] The middle outer walls of the two guide rods expand outwards to form bulges, and the top ends of the two suspension rods are fixedly connected to the bottom ends of the two bulges respectively.
[0007] Beneficial effects of the utility model:
[0008] The utility model adopts the combined design of the chain and the locking bolt, so that the connection structure can adapt to pipes of different diameters, thereby improving its versatility and flexibility. The movement and connection of the pipes can be easily controlled by the crank handle, without the need for complicated tools or operations, thus reducing the difficulty of use. The entire connection structure is compact and occupies little space, making it convenient to connect pipes in a small space. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the structure of the utility model;
[0010] Figure 2 The top view of the utility model is rotated 90 degrees clockwise;
[0011] Figure 3 yes Figure 2 The cross-section at AA in the middle is rotated 90 degrees clockwise;
[0012] Figure 4 The front view of the utility model is rotated 90 degrees clockwise;
[0013] Figure 5 yes Figure 4 Cross-section view at the middle BB.
[0014] The specific reference numerals in all the drawings are: 1. fixed frame; 2. double-headed screw; 3. guide rod; 4. bevel gear one; 5. suspension rod; 6. fixed ring; 7. rotating shaft; 8. bevel gear two; 9. crank; 10. movable frame; 11. chain; 12. movable frame; 13. locking bolt; 14. protrusion; 15. pipe. DETAILED DESCRIPTION
[0015] like Figure 1-5As shown: a HVAC pipe connection structure, including two fixed frames 1 distributed on the left and right, the two ends of the double-headed screw 2 respectively penetrate the middle of the two fixed frames 1, the two fixed frames 1 are rotatably connected to the double-headed screw 2, the front and rear sides of the double-headed screw 2 are provided with guide rods 3, the two ends of the guide rod 3 are respectively fixedly connected to the two ends of the two fixed frames 1, the middle of the outer wall of the double-headed screw 2 is fixedly connected with a bevel gear 4, the front and rear sides of the bevel gear 4 are provided with suspension rods 5, the top ends of the two suspension rods 5 are respectively fixedly connected to the middle outer walls of the two guide rods 3, a fixing ring 6 is fixedly connected between the bottom ends of the two suspension rods 5, the middle part of the fixing ring 6 is rotatably connected with a rotating shaft 7, the rotating shaft 7 penetrates the middle part of the fixing ring 6, the top end of the rotating shaft 7 is fixedly connected with a bevel gear 8, the bevel gear 8 and the bevel gear 8 are connected to the bevel gear The wheels 1 and 4 are meshed with each other, and a crank 9 is fixedly connected to the bottom end of the rotating shaft 7. The two ends of the double-headed screw rod 2 respectively pass through the middle parts of the two moving frames 10, and the outer walls of the two ends of the double-headed screw rod 2 are threadedly connected to the moving frames 10. The two guide rods 3 pass through the two ends of the moving frame 10, and the moving frame 10 slides with the outer walls of the two guide rods 3. A chain 11 is fixedly connected between the front and rear ends of the top of the moving frame 10, and one end of the chain 11 is rotatably connected to a movable frame 12. The other end of the chain 11 extends in an arc shape toward the upper rear side and penetrates into the movable frame 12. The left side wall of the movable frame 12 is threadedly connected with a locking bolt 13, which passes through the left side wall of the movable frame 12, and the end of the locking bolt 13 abuts against the chain 11.
[0016] The middle outer walls of the two guide rods 3 expand outward to form protrusions 14 , and the top ends of the two suspension rods 5 are fixedly connected to the bottom ends of the two protrusions 14 , respectively.
[0017] First, place the mobile frame 10 under the two pipes 15 to be connected, and ensure that the double-ended screw rod 2 and the guide rod 3 are stably placed between the two pipes 15;
[0018] The two chains 11 are respectively passed around the outer walls of the two pipes 15 to be connected, and are inserted into their respective movable frames 12. The chains 11 are manually tightened to make the chains 11 fit closely on the outer walls of the pipes 15, thereby preliminarily fixing the pipes 15. The locking bolts 13 are tightened to make them in close contact with the chains 11, and the chains 11 and the pipes 15 are further fixed to ensure that the pipes 15 will not move during the connection process. The pipes 15 of different diameters can be adapted to increase the versatility and fit of the connection structure. The crank 9 is used to rotate the shaft 7, and the shaft 7 drives the bevel gear 2 8 to rotate. Since the bevel gear 1 4 is meshed with the bevel gear 2 8, the bevel gear 1 4 will rotate with the bevel gear 2 8, thereby driving the double-headed screw 2 to rotate. The rotation of the double-headed screw 2 will cause the two moving frames 10 to slide closer to or away from each other on the guide rod 3. As the moving frames 10 move closer to each other, the pipes 15 above them will gradually approach each other, and finally the ports of the two pipes will dock together to complete the docking and fixation of the pipelines, and then fix the connection.
Claims
1. A HVAC pipe connection structure, characterized in that: The invention comprises two fixed frames (1) distributed on the left and right, the two ends of the double-headed screw rod (2) respectively penetrate the middle of the two fixed frames (1), the two fixed frames (1) are rotatably connected to the double-headed screw rod (2), the front and rear sides of the double-headed screw rod (2) are provided with guide rods (3), the two ends of the guide rods (3) are respectively fixedly connected to the two ends of the two fixed frames (1), the middle of the outer wall of the double-headed screw rod (2) is fixedly connected with a bevel gear 1 (4), the front and rear sides of the bevel gear 1 (4) are provided with suspension rods (5), the top ends of the two suspension rods (5) are respectively fixedly connected to the middle outer walls of the two guide rods (3), the bottom ends of the two suspension rods (5) are fixedly connected with a fixing ring (6), the middle part of the fixing ring (6) is rotatably connected with a rotating shaft (7), the rotating shaft (7) penetrates the middle part of the fixing ring (6), the top end of the rotating shaft (7) is fixedly connected with a bevel gear 2 (8), the bevel gear 2 (8) is meshed with the bevel gear 1 (4), The bottom end of the rotating shaft (7) is fixedly connected with a crank (9), the two ends of the double-headed screw rod (2) respectively penetrate the middle parts of the two moving frames (10), the outer walls of the two ends of the double-headed screw rod (2) are both threadedly connected with the moving frames (10), the two guide rods (3) penetrate the two ends of the moving frames (10), the moving frames (10) and the outer walls of the two guide rods (3) are slidably matched, a chain (11) is fixedly connected between the front and rear ends of the top of the moving frames (10), one end of the chain (11) is fixed to the top of the moving frames (10), one end of the chain (11) is rotatably connected with a movable frame (12), the other end of the chain (11) extends in an arc shape toward the rear and upward and penetrates into the movable frame (12), the left side wall of the movable frame (12) is threadedly connected with a locking bolt (13), the locking bolt (13) penetrates the left side wall of the movable frame (12), and the end of the locking bolt (13) abuts against the chain (11).
2. A HVAC pipe connection structure according to claim 1, characterized in that: The middle outer walls of the two guide rods (3) expand outward to form protrusions (14), and the top ends of the two suspension rods (5) are fixedly connected to the bottom ends of the two protrusions (14) respectively.