Connecting structure for heating and ventilation pipe in heating and ventilation project

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a connecting structure for heating and ventilation pipes in heating and ventilation engineering, which comprises a connecting ring and two heating and ventilation pipe bodies, the two heating and ventilation pipe bodies are both connected with the connecting ring in a sliding mode, and a fixing part is installed on the connecting ring. The fixing component comprises a damping block, an adjusting block, a fixing box, a rotating shaft and a moving chamber, a moving groove is formed in the inner wall of the connecting ring, and a plurality of damping springs are fixedly connected between the damping block and the inner wall of the moving groove. The square block moves downwards to drive the adjusting block to move downwards, at the moment, the adjusting block and the damping block are matched to clamp the heating and ventilation pipe body, at the moment, the anti-loosening needles are pushed into the anti-loosening holes in the rotating shaft through the push rod, the rotating shaft is locked, and the phenomenon that the heating and ventilation pipe body is fixed unstably due to loosening is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field especially, relates to a kind of connecting structure for heating and ventilation pipe in heating and ventilation engineering. BACKGROUND

[0002] Heating and ventilation pipe mainly refers to the pipeline system for conveying hot water, is widely used in heating, ventilation and air conditioning system of building, heating and ventilation pipeline not only steam and water pipeline, also bear the important function of changing living environment, including boiler room, air conditioning equipment machine room pipeline, heating external network, indoor heating pipeline, air conditioning water pipeline etc., these pipelines occupy important position in heating and ventilation engineering, is the key component part of maintaining the normal operation of entire system.

[0003] The connecting structure for heating and ventilation pipe in the prior art is used, since multiple bolts are needed to fix two heating and ventilation pipes, workers need to carry a large number of bolts and tighten them one by one during installation, which makes the installation work tedious and low in work efficiency, and the bolts can also be loosened due to external vibration, so that the heating and ventilation pipes are not fixed stably, and certain safety hazards are caused. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the following shortcomings in the prior art, the connecting structure for heating and ventilation pipe in the prior art is used, since multiple bolts are needed to fix two heating and ventilation pipes, workers need to carry a large number of bolts and tighten them one by one during installation, which makes the installation work tedious and low in work efficiency, and the bolts can also be loosened due to external vibration, so that the heating and ventilation pipes are not fixed stably, and certain safety hazards are caused, and a connecting structure for heating and ventilation pipe in heating and ventilation engineering is provided.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A connecting structure for heating and ventilation pipe in heating and ventilation engineering, comprising a connecting ring and a heating and ventilation pipe body, two heating and ventilation pipe bodies are slidably connected with the connecting ring.

[0007] The connecting ring is provided with a fixing component, which comprises a damping block, an adjusting block, a fixing box, a rotating shaft, a moving chamber, a moving groove is formed in the inner wall of the connecting ring, a plurality of damping springs are fixedly connected between the damping block and the inner wall of the moving groove, the damping block is slidably connected in the moving groove, the adjusting block is slidably connected in the moving groove, the fixing box is fixedly connected to the outer surface of the connecting ring, the rotating shaft is rotatably connected with the fixing box, the rotating shaft is rotatably connected with the connecting ring, a square block is threadedly connected to the outer surface of the rotating shaft, the square block is fixedly connected with the adjusting block, the moving chamber is fixedly connected to the fixing box, an anti-loosening rod is slidably connected in the moving chamber, and a push rod is slidably connected in the moving chamber and fixedly connected with the anti-loosening rod.

[0008] Preferably, a plurality of anti-loosening holes are formed in one end of the rotating shaft close to the anti-loosening rod, and the anti-loosening rod is slidably connected in the anti-loosening hole.

[0009] Preferably, two air chambers are fixedly connected in the fixing box, a piston plate is slidably connected in the air chamber, a straight gear is fixedly connected to the outer surface of the rotating shaft, and two rack plates are slidably connected in the fixing box.

[0010] Preferably, the two rack plates are engaged with the straight gear, one end of the rack plate penetrating through the air chamber is fixedly connected with the piston plate, two locking boxes are fixedly connected in the fixing box, and the locking boxes are communicated with the air chambers through communication pipes.

[0011] Preferably, a pressing plate is slidably connected in the locking box, a straight spring is fixedly connected between the pressing plate and the inner wall of the locking box, a locking block is fixedly connected to the outer surface of the pressing plate, and the locking block penetrates through the fixing box and is slidably connected with the fixing box.

[0012] Preferably, a fixing ring is fixedly connected to the outer surface of each of the two heating and ventilation pipe bodies, the fixing ring is slidably connected with the locking block, two positioning rods are fixedly connected to the fixing ring, positioning holes are formed in the connecting ring, and the positioning rods are slidably connected in the positioning holes.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The heating and ventilation pipe body is inserted into the connecting ring, the rotating shaft is rotated to drive the square block to move downward, the square block drives the adjusting block to move downward, the adjusting block cooperates with the damping block to clamp the heating and ventilation pipe body, the anti-loosening needle is pushed into the anti-loosening hole in the rotating shaft through the push rod to lock the rotating shaft, and the rotating shaft is prevented from loosening due to vibration, so that the heating and ventilation pipe body is prevented from being fixed unstably.

[0015] 2, through the rotation of the rotating shaft to drive the spur gear rotation, spur gear rotation to drive the rack plate moves, rack plate moves to drive the piston plate extrusion gas chamber gas through the communication pipe into the locking box, locking block in the gas box under the move, until the fixed ring card, ensure that the heating and ventilation pipe body will not move left and right, keep in the connecting ring, improve the stability of the heating and ventilation pipe body fixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of connection structure's front structure schematic drawing of the utility model for the heating and ventilation pipe in heating and ventilation engineering;

[0017] Figure 2 It is the adjusting block structure schematic drawing of the utility model for the connection structure of the heating and ventilation pipe in heating and ventilation engineering;

[0018] Figure 3 It is the moving chamber structure schematic drawing of the utility model for the connection structure of the heating and ventilation pipe in heating and ventilation engineering;

[0019] Figure 4 It is the gas chamber structure schematic drawing of the utility model for the connection structure of the heating and ventilation pipe in heating and ventilation engineering;

[0020] Figure 5 It is the locking box structure schematic drawing of the utility model for the connection structure of the heating and ventilation pipe in heating and ventilation engineering.

[0021] In the drawing: 1 connecting ring, 2 heating and ventilation pipe body, 3 fixed ring, 4 damping block, 5 damping spring, 6 adjusting block, 7 fixed box, 8 rotating shaft, 9 square block, 10 moving chamber, 11 push rod, 12 anti-loosening rod, 13 rack plate, 14 spur gear, 15 piston plate, 16 gas chamber, 17 communication pipe, 18 locking box, 19 pressing plate, 20 locking block, 21 positioning rod, 22 straight spring. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] The terms such as "upper", "lower", "left", "right", "intermediate" and "one" cited in the utility model are only for the convenience of clear description, not to limit the scope of the utility model that can be implemented, and the change or adjustment of relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of technical content.

[0024] REFERENCE Figures 1-5The utility model provides a connecting structure for heating and ventilation pipe in heating and ventilation engineering, including connecting ring 1 and heating and ventilation pipe body 2, two heating and ventilation pipe body 2 are all with the sliding connection of connecting ring 1, and the fixed component is installed on connecting ring 1, and the fixed component includes shock pad 4, adjusting block 6, fixed box 7, pivot 8, moving chamber 10, and the inner wall of connecting ring 1 is provided with moving groove, and moving groove is annularly arranged, a plurality of damping springs 5 are fixedly connected between shock pad 4 and the inner wall of moving groove, and shock pad 4 is annularly arranged, and the size corresponds with moving groove, damping spring 5 is rigid spring, and the elastic force is very strong, and smaller vibration will not cause its bending, and shock pad 4 is slidingly connected in moving groove, adjusting block 6 is slidingly connected in moving groove, fixed box 7 is fixedly connected on the outer surface of connecting ring 1, and fixed box 7 is hollowly arranged, pivot 8 is rotatably connected with fixed box 7, pivot 8 is rotatably connected with connecting ring 1, square block 9 is screwedly connected on the outer surface of pivot 8, square block 9 is fixedly connected with adjusting block 6, and moving chamber 10 is fixedly connected on fixed box 7, and anti-loosening rod 12 is slidingly connected in moving chamber 10, and push rod 11 is slidingly connected in moving chamber 10, and there is greater friction between push rod 11 and moving chamber 10, and non-human driving will not cause self movement, and push rod 11 is fixedly connected with anti-loosening rod 12.

[0025] A plurality of anti-loosening holes are formed in the end of pivot 8 close to anti-loosening rod 12, and anti-loosening rod 12 is slidingly connected in the anti-loosening hole, two gas chambers 16 are fixedly connected in fixed box 7, a large amount of compressed gas is contained in gas chamber 16, piston plate 15 is slidingly connected in gas chamber 16, and piston plate 15 is sealingly treated with gas chamber 16, and straight gear 14 is fixedly connected on the outer surface of pivot 8, two rack plates 13 are slidingly connected in fixed box 7, and the two rack plates 13 are engaged with straight gear 14, one end of rack plate 13 passes through gas chamber 16 and is fixedly connected with piston plate 15, two locking boxes 18 are fixedly connected in fixed box 7, and locking box 18 is communicated with gas chamber 16 through communication pipe 17, and pressure plate 19 is slidingly connected in locking box 18, and pressure plate 19 is sealingly treated with locking box 18, straight spring 22 is fixedly connected between pressure plate 19 and the inner wall of locking box 18, and the action of straight spring 22 is that locking block 20 is pulled back after the gas in locking box 18 returns to gas chamber 16, and the unlocking work of heating and ventilation pipe body 2 is completed, locking block 20 is fixedly connected on the outer surface of pressure plate 19, locking block 20 passes through fixed box 7 and is slidingly connected with fixed box 7, and the outer surfaces of the two heating and ventilation pipe bodies 2 are fixedly connected with fixed rings 3 respectively, and fixed ring 3 is slidingly connected with locking block 20, two positioning rods 21 are fixedly connected on fixed ring 3, and positioning holes are formed on connecting ring 1, and positioning rod 21 is slidingly connected in positioning hole.

[0026] The utility model discloses, the heating pipe body 2 is inserted into the connecting ring 1, the fixed ring 3 on heating pipe body 2 and the connecting ring 1 end face contact at this time, the fixed ring 3 on positioning rod 21 enters the positioning hole on connecting ring 1 at this time, completes the quick positioning work of heating pipe body 2, at this time, through the rotation pivot 8, makes the pivot 8 drive square block 9 and move down, and square block 9 moves down and drives adjusting block 6 and moves down, at this time, adjusting block 6 and shock block 4 cooperate and clamp heating pipe body 2, reach the quick fixed purpose, reduce the work load of worker, the shock spring 5 on shock block 4 can guarantee, when connecting structure is disturbed by outside, shock block 4 and adjusting block 6 clamp heating pipe body 2 all the time, when completing clamping work, through the push rod 11 and prevent the loose rod 12 are inserted into the anti -shake hole on pivot 8, thereby lock pivot 8, avoid pivot 8 and loosen or self-rotation because of vibration, lead to the phenomenon that heating pipe body 2 is not fixed unstable.

[0027] At the same time, the rotation of the pivot 8 drives the spur gear 14 to rotate, the spur gear 14 drives the rack plate 13 to move outward, the movement of the rack plate 13 drives the piston plate 15 to extrude the gas in the gas chamber 16 to enter the locking box 18 through the communication pipe 17, the gas pressure in the locking box 18 increases, and the locking block 20 in the locking box 18 moves under the pushing of the gas until the fixed ring 3 is clamped, so that the heating pipe body 2 cannot move left and right, the hidden danger caused by the horizontal force is eliminated, and the stability of the heating pipe body 2 is improved.

[0028] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "connection", "fix" and the like terms should be broad sense understanding.

[0029] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A connection structure for a heating and ventilation pipe in a heating and ventilation engineering, comprising a connection ring (1) and a heating and ventilation pipe body (2), characterized in that, Two said warm pipe body (2) are connected with the connecting ring (1) slidingly; The connecting ring (1) is provided with a fixing component, the fixing component comprises a damping block (4), an adjusting block (6), a fixing box (7), a rotating shaft (8), a moving chamber (10), a moving groove is formed in the inner wall of the connecting ring (1), a plurality of damping springs (5) are fixedly connected between the damping block (4) and the inner wall of the moving groove, the damping block (4) is slidingly connected in the moving groove, the adjusting block (6) is slidingly connected in the moving groove, the fixing box (7) is fixedly connected to the outer surface of the connecting ring (1), the rotating shaft (8) is rotatably connected with the fixing box (7), the rotating shaft (8) is rotatably connected with the connecting ring (1), a square block (9) is threadedly connected to the outer surface of the rotating shaft (8), the square block (9) is fixedly connected with the adjusting block (6), the moving chamber (10) is fixedly connected to the fixing box (7), a loosening prevention rod (12) is slidingly connected in the moving chamber (10), a push rod (11) is slidingly connected in the moving chamber (10), and the push rod (11) is fixedly connected with the loosening prevention rod (12).

2. The connection structure for a heating and ventilation pipe according to claim 1, wherein A plurality of loosening prevention holes are formed in one end of the rotating shaft (8) close to the loosening prevention rod (12), and the loosening prevention rod (12) is slidingly connected in the loosening prevention holes.

3. The connection structure for a heating and ventilation pipe according to claim 1, wherein Two air chambers (16) are fixedly connected in the fixing box (7), a piston plate (15) is slidingly connected in the air chamber (16), a straight gear (14) is fixedly connected to the outer surface of the rotating shaft (8), and two rack plates (13) are slidingly connected in the fixing box (7).

4. The connection structure for a heating and ventilation pipe according to claim 3, wherein The two rack plates (13) are engaged with the straight gear (14), one end of the rack plate (13) passes through the air chamber (16) and is fixedly connected with the piston plate (15), two locking boxes (18) are fixedly connected in the fixing box (7), and the locking boxes (18) are communicated with the air chambers (16) through communication pipes (17).

5. The connection structure for a heating and ventilation pipe according to claim 4, wherein A pressing plate (19) is slidingly connected in the locking box (18), a straight spring (22) is fixedly connected between the pressing plate (19) and the inner wall of the locking box (18), a locking block (20) is fixedly connected to the outer surface of the pressing plate (19), the locking block (20) passes through the fixing box (7) and is slidingly connected with the fixing box (7).

6. The connection structure for a heating and ventilation pipe according to claim 5, wherein Two fixing rings (3) are fixedly connected to the outer surfaces of the two warm pipe bodies (2) respectively, the fixing rings (3) are slidingly connected with the locking blocks (20), two positioning rods (21) are fixedly connected to the fixing ring (3), positioning holes are formed in the connecting ring (1), and the positioning rods (21) are slidingly connected in the positioning holes.

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