CN212285599U - Finned tube expansion joint device of air cooler - Google Patents

Abstract

The utility model provides an air cooler finned tube expanded joint device, including the outer sleeve, the surface of outer sleeve is provided with rubber circle, big packing ring and hexagon nut, the rubber circle is located one side of big packing ring, hexagon nut is located the opposite side of big packing ring, be provided with spring washer between big packing ring and the hexagon nut, one side surface of outer sleeve is provided with the expander structure, the internal surface of outer sleeve is provided with the inflation core, spirit one side surface of outer sleeve is provided with twists the structure. An air cooler finned tube expanded joint device, be equipped with the expander structure and twist the structure, can make the expansion range increase of copper pipe, make to enlarge the effect better, prop the better laminating tube sheet of most shapes to when can using machine operative installations to expand the pipe, can not lead to the pipeline to damage owing to operating time overlength makes the degree of expansion too big, bring better use prospect.

Description

Finned tube expansion joint device of air cooler

Technical Field

The utility model relates to an air cooler production field, in particular to air cooler finned tube expanded joint device.

Background

The air cooler finned tube expansion joint device, namely a tube expander, is used for expanding the inner diameter and the outer diameter of the tube end part, so that the contact part of the tube end part and a tube plate is tightly expanded and closed, and water leakage and air leakage cannot occur; the flanging type pipe expander can be used for flanging the end part of the pipe while expanding the pipe. The prior finned tube expansion joint device of the air cooler has certain defects in use, firstly, the effect of large expansion is limited, the expansion degree is small, the expanded shape can not be well attached to a tube plate, secondly, when a gun drill rotating device is used for expanding tubes, the rotation time of the gun drill is long, the device can break the pipeline, the operation mode is single, and certain influence is brought to the use process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an air cooler finned tube expanded joint device can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an air cooler finned tube expanded joint device, includes the outer sleeve, the surface of outer sleeve is provided with rubber circle, big packing ring and hexagon nut, the rubber circle is located one side of big packing ring, hexagon nut is located the opposite side of big packing ring, be provided with spring washer between big packing ring and the hexagon nut, one side surface of outer sleeve is provided with the expander structure, the internal surface of outer sleeve is provided with the inflation core, spirit one side surface of outer sleeve is provided with twists the structure.

Preferably, the pipe expanding structure comprises a pipe expanding piece, a connecting rod, a large support ring, a sliding rod and a sliding sheet; the outer sleeve comprises an outer sleeve and is characterized in that a sliding rod is arranged on the outer surface of one side of the outer sleeve, a connecting rod is fixedly connected to the outer surface of one side of the sliding rod, a pipe piece is fixedly connected to the outer surface of one side of the connecting rod, a sliding piece is fixedly connected to the inner surface of the pipe piece, and a supporting ring is fixedly connected to the outer surface of the pipe piece.

Preferably, the screwing structure comprises a screwing sleeve, a polished rod, a thread head, a hexagonal head, an inner hexagonal hole, a rocker and a rotating handle; the outer surface of one end of the expansion core is fixedly connected with a polished rod, the outer surface of one end of the polished rod is fixedly connected with a threaded head, the outer surface of the threaded head is provided with a screwing sleeve, the outer surface of one side of the screwing sleeve is provided with an inner hexagonal hole, the outer surface of the threaded head is provided with a hexagonal head, the outer surface of the front end of the hexagonal head is provided with a rocker, and the outer surface of one end of the rocker is provided with a rotating handle.

Preferably, a sliding hole is formed between the pipe expanding piece and the outer sleeve, the outer surface of the pipe expanding piece is in sliding connection with the outer surface of one side of the outer sleeve through the sliding hole, a sliding groove is formed in the outer surface of the expansion core, and the outer surface of the expanding ring is in sliding connection with the outer surface of the expansion core through the sliding groove.

Preferably, one side of the inner surface of the screwing sleeve is provided with threads, the outer surface of the thread head is in transmission connection with the inner surface of the screwing sleeve through the threads, the outer surface of the rear end of the rocker penetrates through the outer surface of the front end of the hexagonal head, and the rotating handle is movably connected with the rocker.

Preferably, an annular groove is formed between the rubber ring and the outer sleeve, the outer surface of the middle of the rubber ring is detachably connected with the outer surface of the outer sleeve through the annular groove, and the large gasket is fixedly connected with the outer sleeve.

The utility model has the advantages of:

compared with the prior art, the utility model provides an air cooler finned tube expanded joint device possesses following beneficial effect:

1. this air cooler finned tube expanded joint device, through the expand tube structure that sets up, at the expand tube in-process, the inflation core removes to twisting the structure direction in the inside of outer sleeve, the gleitbretter removes in the spout, the outside extrusion gleitbretter in inclined plane of inflation core makes the section of jurisdiction expand to expand all around, the expand tube piece drives to prop the circle and removes with the connecting rod, prop the circle and extrude copper intraductal wall and prop big copper pipe, the connecting rod makes the outside telescopic surface of slide bar slide, thereby the degree of expand tube is decided by the length of slide bar, the effect that makes the expansion is better, the expand tube piece removes through the slip of connecting rod and slide bar, make the better laminating tube sheet of most shapes of propping.

2. This air cooler finned tube expanded joint device, twist the structure through setting up, when carrying out the expand tube, twist hexagonal head through interior hexagonal or sleeve pipe on the pistol drill, perhaps the manual work is waved and is made the rocker rotate through rotatory handle, hexagonal head drives and twists the sleeve pipe and rotate, it promotes the screw thread head to move to hexagonal head direction to twist the screw thread of sleeve pipe internal surface, the screw thread head moves and twists the sleeve pipe and moves, it pulls the inflation core and moves and expand the pipe to twist the sleeve pipe, move to the unthreaded region until the screw thread head, it can not make the screw thread head move to twist sheathed tube rotation this moment, thereby avoid excessive expand the pipe to make the copper pipe break, can select many manual works and the multiple operation mode operative means of pistol drill simultaneously, be favorable to people to use, whole air cooler finned tube expanded joint device simple structure, and convenient for operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is the overall structure schematic diagram of the finned tube expansion joint device of the air cooler.

Fig. 2 is the structural schematic diagram of the structure of the tube expanding structure in the air cooler finned tube expansion joint device of the utility model.

Fig. 3 is a schematic structural diagram of a screwing structure in the finned tube expansion device of the air cooler.

Fig. 4 is a schematic structural diagram of a hexagonal head in the finned tube expansion device of the air cooler.

In the figure: 1. an outer sleeve; 2. a rubber ring; 3. an expanded core; 4. a pipe expanding structure; 41. expanding a pipe piece; 42. a connecting rod; 43. expanding the ring; 44. a slide bar; 45. sliding blades; 5. a large washer; 6. a spring washer; 7. a hexagonal nut; 8. screwing the structure; 81. screwing the sleeve; 82. a polish rod; 83. a screw head; 84. a hexagonal head; 85. an inner hexagonal hole; 86. a rocker; 87. the handle is rotated.

Detailed Description

The invention will be further elucidated by way of example with reference to the accompanying drawings.

As shown in fig. 1-4, the finned tube expansion joint device for the air cooler comprises an outer sleeve 1, wherein a rubber ring 2, a large washer 5 and a hexagonal nut 7 are arranged on the outer surface of the outer sleeve 1, the rubber ring 2 is positioned on one side of the large washer 5, the hexagonal nut 7 is positioned on the other side of the large washer 5, a spring washer 6 is arranged between the large washer 5 and the hexagonal nut 7, a tube expanding structure 4 is arranged on the outer surface of one side of the outer sleeve 1, an expansion core 3 is arranged on the inner surface of the outer sleeve 1, and a screwing structure 8 is arranged on the outer surface of the other side of the outer.

Further, the pipe expanding structure 4 comprises a pipe expanding piece 41, a connecting rod 42, a large expanding ring 43, a sliding rod 44 and a sliding sheet 45; a sliding rod 44 is arranged on the outer surface of one side of the outer sleeve 1, a connecting rod 42 is fixedly connected to the outer surface of one side of the sliding rod 44, an expanding tube piece 41 is fixedly connected to the outer surface of one side of the connecting rod 42, a sliding piece 45 is fixedly connected to the inner surface of the expanding tube piece 41, a expanding ring 43 is fixedly connected to the outer surface of the expanding tube piece 41, in the tube expanding process, the expanding core 3 moves towards the screwing structure 8 in the outer sleeve 1, the sliding piece 45 moves in a sliding groove, the inclined surface of the expanding core 3 extrudes the sliding piece 45 outwards to enable the expanding tube piece 41 to expand towards the periphery, the expanding tube piece 41 drives the expanding ring 43 to move with the connecting rod 42, the expanding ring 43 extrudes the inner wall of the copper tube to expand the copper tube, the connecting rod 42 enables the sliding rod 44 to slide towards the outer surface of the outer sleeve 1, so that the degree of tube expansion is determined by the length of the sliding, the shape of the supporting part is better fit with the tube plate.

Further, the screwing structure 8 comprises a screwing sleeve 81, a polished rod 82, a thread head 83, a hexagonal head 84, an inner hexagonal hole 85, a rocker 86 and a rotating handle 87; a polished rod 82 is fixedly connected to the outer surface of one end of the expansion core 3, a thread head 83 is fixedly connected to the outer surface of one end of the polished rod 82, a screwing sleeve 81 is arranged on the outer surface of the thread head 83, an inner hexagonal hole 85 is formed in the outer surface of one side of the screwing sleeve 81, a hexagonal head 84 is arranged on the outer surface of one end of the thread head 83, a rocker 86 is arranged on the outer surface of the front end of the hexagonal head 84, a rotating handle 87 is arranged on the outer surface of one end of the rocker 86, the hexagonal head 84 is screwed by an inner hexagon or a sleeve on a hand gun drill or the rocker 86 is rotated by manually shaking the rotating handle 87, the hexagonal head 84 drives the screwing sleeve 81 to rotate, threads on the inner surface of the screwing sleeve 81 push the thread head 83 to move towards the hexagonal head 84, the screwing sleeve 81 is driven by the thread head 83 to move, the expansion core 81 is pulled by the screwing sleeve 81 to move to expand the expansion core 3, and the expansion core 3, the sliding sheet 45 moves in the sliding groove, the inclined surface of the expansion core 3 extrudes the sliding sheet 45 outwards to enable the pipe expanding sheet 41 to expand towards the periphery, the pipe expanding sheet 41 drives the expanding ring 43 and the connecting rod 42 to move, the expanding ring 43 extrudes the inner wall of the copper pipe to expand the copper pipe, the connecting rod 42 enables the sliding rod 44 to slide towards the outer surface of the outer sleeve 1, after the thread head 83 moves to a thread-free area, the rotation of the screwing sleeve 81 cannot enable the thread head 83 to move, then the screwing sleeve 81 stops rotating, and the device is taken down by reversely screwing the sleeve 81.

The utility model discloses theory of operation and use flow: when the device is used, one end of the device close to the expansion core 3 is inserted into the copper pipe until the large gasket 5 abuts against the pipe plate, a hexagon head 84 is screwed by using an inner hexagon or a sleeve on a pistol drill, or a rocker 86 is rotated by manually shaking the handle 87, the hexagon head 84 drives the screwing sleeve 81 to rotate, the thread on the inner surface of the screwing sleeve 81 pushes the thread head 83 to move towards the hexagon head 84, the thread head 83 drives the screwing sleeve 81 to move, the screwing sleeve 81 pulls the expansion core 3 to move to expand the pipe until the thread head 83 moves to a thread-free area, and at the moment, the rotation of the screwing sleeve 81 cannot move the thread head 83.

Claims (6)

1. The utility model provides an air cooler finned tube expanded joint device, includes outer sleeve (1), its characterized in that: the outer surface of outer sleeve (1) is provided with rubber circle (2), big packing ring (5) and hexagon nut (7), rubber circle (2) are located one side of big packing ring (5), hexagon nut (7) are located the opposite side of big packing ring (5), be provided with spring washer (6) between big packing ring (5) and hexagon nut (7), one side surface of outer sleeve (1) is provided with expander structure (4), the internal surface of outer sleeve (1) is provided with inflation core (3), spirit one side surface of outer sleeve (1) is provided with twists structure (8).

2. An air cooler finned tube expansion joint device according to claim 1, characterized in that: the pipe expanding structure (4) comprises a pipe expanding piece (41), a connecting rod (42), a large support ring (43), a sliding rod (44) and a sliding sheet (45); the utility model discloses a duct piece, including outer sleeve (1), one side surface of outer sleeve (1) is provided with slide bar (44), one side surface fixed connection of slide bar (44) has connecting rod (42), one side surface fixed connection of connecting rod (42) expands section of jurisdiction (41), the internal surface fixed connection that expands section of jurisdiction (41) has gleitbretter (45), the surface fixed connection that expands section of jurisdiction (41) props circle (43).

3. An air cooler finned tube expansion joint device according to claim 1, characterized in that: the screwing structure (8) comprises a screwing sleeve (81), a polished rod (82), a thread head (83), a hexagonal head (84), an inner hexagonal hole (85), a rocker (86) and a rotating handle (87); the outer surface of one end of the expansion core (3) is fixedly connected with a polished rod (82), the outer surface of one end of the polished rod (82) is fixedly connected with a threaded head (83), the outer surface of the threaded head (83) is provided with a screwing sleeve (81), the outer surface of one side of the screwing sleeve (81) is provided with an inner hexagonal hole (85), the outer surface of the threaded head (83) is provided with a hexagonal head (84), the outer surface of the front end of the hexagonal head (84) is provided with a rocker (86), and the outer surface of one end of the rocker (86) is provided with a rotating handle (87).

4. An air cooler finned tube expansion joint device according to claim 2, characterized in that: expand and be provided with the slide opening between section of jurisdiction (41) and outer sleeve (1), the surface that expands section of jurisdiction (41) passes through the slide opening and one side surface sliding connection of outer sleeve (1), the spout has been seted up to the surface of inflation core (3), the surface that props big circle (43) passes through the spout and the surface sliding connection of inflation core (3).

5. An air cooler finned tube expansion joint device according to claim 3, characterized in that: threads are arranged on one side of the inner surface of the screwing sleeve (81), the outer surface of the thread head (83) is in transmission connection with the inner surface of the screwing sleeve (81) through the threads, the outer surface of the rear end of the rocker (86) penetrates through the outer surface of the front end of the hexagonal head (84), and the rotating handle (87) is movably connected with the rocker (86).

6. An air cooler finned tube expansion joint device according to claim 1, characterized in that: an annular groove is formed between the rubber ring (2) and the outer sleeve (1), the outer surface of the middle of the rubber ring (2) is detachably connected with the outer surface of the outer sleeve (1) through the annular groove, and the large gasket (5) is fixedly connected with the outer sleeve (1).

Images