CN217512703U - Necking type micro-channel flat tube - Google Patents

Abstract

The utility model discloses a necking type micro-channel flat tube, which comprises a collecting pipe, wherein a plurality of first limiting grooves with the same size are arranged inside the collecting pipe, the first limiting grooves are of an incomplete penetration structure, necking flat tubes are arranged inside the first limiting grooves, second limiting grooves are arranged on two sides of the necking flat tubes in an inward penetration manner, springs are arranged at the bottoms of the second limiting grooves, the first limiting grooves are arranged inside the collecting pipe and can correspond to the necking flat tubes, and the necking flat tubes can be clamped under the action of arc-shaped grooves, arc-shaped blocks, connecting plates, sliding blocks and sliding grooves, so that the necking flat tubes are more smooth when the collecting pipe and the collecting pipe are matched, the collecting pipe assembly can be effectively prevented from rotating or part of the flat tubes are separated from the collecting pipe, the welding is poor, even the flat tubes are directly scrapped, and the first-pass yield of production is improved, scrap is reduced or avoided.

Description

Necking type micro-channel flat tube

Technical Field

The utility model relates to a flat technical field of microchannel especially relates to a throat formula flat microchannel tube.

Background

The micro-channel aluminum flat tube (also called a parallel flow aluminum flat tube) is a thin-wall porous flat tubular material which is mainly applied to air-conditioning systems of various refrigerants and is used as a pipeline part for bearing a novel environment-friendly refrigerant, is a key material of a new-generation parallel flow micro-channel air-conditioning heat exchanger by adopting a novel environment-friendly system, is a novel environment-friendly refrigerant bearing pipeline part and is forcibly used on an automobile air-conditioning system at first. Because the product has high technical content and great production difficulty, only a few manufacturers such as Haidelu of Norway, Mitsubishi and gule river of Japan, Korea and the like are produced in the world before 2010, the production technology is basically monopolized by the manufacturers, domestic enterprises have no capacity to produce at all, and the material required by domestic automobile air-conditioning heat exchangers manufacturers can be obtained only from the domestic manufacturers by exclusive subsidies of China or direct import;

the existing necking type micro-channel flat tube is usually complex when being installed with a collecting pipe, a worker usually adopts a welding mode to install, the rejection rate of products is high due to the mode and the products are not easy to detach, and therefore the necking type micro-channel flat tube capable of solving the problems is needed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a necking type micro-channel flat tube.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a necking type micro-channel flat tube comprises a collecting pipe, wherein a plurality of first limiting grooves with the same size are formed in the collecting pipe, the first limiting grooves are of an incomplete penetrating structure, a necking flat tube is arranged in each first limiting groove, and second limiting grooves are formed in two sides of the necking flat tube in an inward penetrating mode;

and a spring is arranged at the bottom of the second limiting groove.

As a further description of the above technical solution:

the other end fixedly connected with connecting plate of spring, the other end fixedly connected with arc piece of connecting plate.

As a further description of the above technical solution:

the inboard of second spacing groove is provided with the spout, the both ends of connecting plate run through the spout and inwards sliding connection has the slider.

As a further description of the above technical solution:

arc-shaped grooves are formed in two sides of the first limiting groove and correspond to the arc-shaped blocks.

As a further description of the above technical solution:

the other end of the necking flat tube is provided with a plurality of micro channels in a penetrating mode, and a connecting block is fixedly connected to the lower portion of the necking flat tube.

As a further description of the above technical solution:

fixedly connected with connecting axle on the connecting block, rotate on the connecting axle and be connected with the axis of rotation.

As a further description of the above technical solution:

the rotating shaft is fixedly connected with a connecting rod.

As a further description of the above technical solution:

and a third limiting groove is arranged below the first limiting groove and corresponds to one end of the connecting rod.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the necking type microchannel flat tube can correspond to the necking flat tube by arranging the first limiting groove in the collecting pipe, and can be clamped under the action of the arc-shaped groove, the arc-shaped block, the connecting plate, the sliding block and the sliding groove, so that the necking flat tube and the collecting pipe are more smooth when being matched;

2. compared with the prior art, this throat formula microchannel flat tube can correspond with the third spacing groove on the pressure manifold through set up connecting block, connecting axle, axis of rotation and connecting rod in the below of throat flat tube to the realization is to the supporting effect of throat flat tube, increases the stability of its throat flat tube, can prevent effectively that the pressure manifold subassembly from rotating or partial flat pipe breaks away from the pressure manifold, leads to the welding badly, directly scrap even, thereby improve the qualification rate of production once, reduce or avoid scrapping.

Drawings

Fig. 1 is a cross-sectional view of a necking type microchannel flat tube provided by the present invention;

FIG. 2 is a schematic view of the structure A in FIG. 1;

FIG. 3 is a schematic view of the structure B in FIG. 1;

fig. 4 is the utility model provides a perspective view of throat formula microchannel flat tube.

Illustration of the drawings:

1. a header pipe; 2. a first limit groove; 3. necking down flat tubes; 4. a slider; 5. a chute; 6. a second limit groove; 7. a spring; 8. a connecting plate; 9. an arc-shaped block; 10. an arc-shaped slot; 11. a third limiting groove; 12. a connecting shaft; 13. connecting blocks; 14. a rotating shaft; 15. a connecting rod; 16. a microchannel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a necking type micro-channel flat tube comprises a collecting pipe 1, wherein a plurality of first limiting grooves 2 with the same size are formed in the collecting pipe 1, the first limiting grooves 2 can be matched with necking flat tubes 3, the first limiting grooves 2 are of an incomplete penetration structure, the necking flat tubes 3 are arranged in the first limiting grooves 2, and second limiting grooves 6 are formed in two sides of the necking flat tubes 3 in an inward penetration mode;

a spring 7 is arranged at the bottom of the second limiting groove 6, a connecting plate 8 is fixedly connected to the other end of the spring 7, an arc-shaped block 9 is fixedly connected to the other end of the connecting plate 8, a sliding groove 5 is arranged on the inner side of the second limiting groove 6, two ends of the connecting plate 8 penetrate through the sliding groove 5 and are connected with a sliding block 4 in an inward sliding mode, the arc-shaped block 9 can move in the second limiting groove 6 through the spring 7, the connecting plate 8 can slide on the sliding groove 5 through the sliding block 4, and therefore the movement of the arc-shaped block 9 is more stable;

arc-shaped grooves 10 are formed in two sides of the first limiting groove 2, the arc-shaped grooves 10 correspond to the arc-shaped blocks 9, the stability of the necking flat tube 3 can be guaranteed through clamping between the arc-shaped blocks 9 and the arc-shaped grooves 10, the necking flat tube 3 can be conveniently mounted and dismounted due to the design of the arc-shaped grooves 10, and the convenience of the device is greatly improved;

the other end of the flat pipe 3 of throat runs through and is provided with a plurality of microchannel 16, the below fixedly connected with connecting block 13 of the flat pipe 3 of throat, fixedly connected with connecting axle 12 on the connecting block 13, it is connected with axis of rotation 14 to rotate on the connecting axle 12, fixedly connected with connecting rod 15 on the axis of rotation 14. The below of first spacing groove 2 is provided with third spacing groove 11, third spacing groove 11 is corresponding with the one end of connecting rod 15, can make connecting rod 15 rotate on connecting axle 12 through axis of rotation 14 to cooperate with third spacing groove 11, make connecting rod 15 carry out the supporting role to throat flat pipe 3, greatly increased throat flat pipe 3 stability when the installation.

The working principle is as follows: when in use, the arc-shaped blocks 9 at the two sides of the necking flat tube 3 are pressed firstly, then the necking flat tube 3 is corresponding to the first limiting groove 2, thereby the necking flat tube 3 is plugged into the first limit groove 2, the arc blocks 9 at the two sides of the necking flat tube 3 can be shrunk inwards under the extrusion of the inner wall of the first limit groove 2, when the arc-shaped block 9 reaches the position of the arc-shaped groove 10, the arc-shaped block 9 can be upwards bounced under the action of the spring 7, thereby cooperating with the arc-shaped groove 10 to clamp the necking flat tube 3, and the connecting rod 15 can rotate through the rotating shaft 14, thereby carry out the joint with third spacing groove 11, realize its whole throat flat tube 3's stability, can prevent effectively that the pressure manifold 1 subassembly from rotating or partial flat pipe from breaking away from pressure manifold 1, lead to the welding badly, directly scrap even to improve the primary qualification rate of production, reduce or avoid scrapping.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a throat formula microchannel flat tube, includes pressure manifold (1), its characterized in that: a plurality of first limiting grooves (2) with the same size are formed in the collecting pipe (1), the first limiting grooves (2) are of an incomplete penetrating structure, the necking flat pipes (3) are arranged in the first limiting grooves (2), and second limiting grooves (6) penetrate inwards from two sides of each necking flat pipe (3);

and a spring (7) is arranged at the bottom of the second limiting groove (6).

2. A necked microchannel flat tube according to claim 1, wherein: the other end fixedly connected with connecting plate (8) of spring (7), the other end fixedly connected with arc piece (9) of connecting plate (8).

3. A necked-down microchannel flat tube according to claim 2, wherein: the inner side of the second limiting groove (6) is provided with a sliding groove (5), and the two ends of the connecting plate (8) penetrate through the sliding groove (5) and are connected with a sliding block (4) in an inward sliding mode.

4. A necked microchannel flat tube according to claim 1, wherein: arc-shaped grooves (10) are arranged on two sides of the first limiting groove (2), and the arc-shaped grooves (10) correspond to the arc-shaped blocks (9).

5. A necked-down microchannel flat tube according to claim 1, wherein: the other end of the necking flat tube (3) is provided with a plurality of micro channels (16) in a penetrating mode, and a connecting block (13) is fixedly connected to the lower portion of the necking flat tube (3).

6. A necking microchannel flat tube according to claim 5, wherein: the connecting block (13) is fixedly connected with a connecting shaft (12), and the connecting shaft (12) is rotatably connected with a rotating shaft (14).

7. A throat type microchannel flat tube according to claim 6, wherein: the rotating shaft (14) is fixedly connected with a connecting rod (15).

8. A necked microchannel flat tube according to claim 1, wherein: a third limiting groove (11) is arranged below the first limiting groove (2), and the third limiting groove (11) corresponds to one end of the connecting rod (15).

Images