CN217775958U - Ribbed flat tube connecting device - Google Patents

Abstract

The utility model provides a compact structure, connect reliable sealed muscle flat tube connection device that adds, include: a light-absorbing joint, a light-absorbing tube and a light-transmitting casting ring; the light absorbing pipe is matched with the bell and spigot and sleeved on the bell and spigot of the light absorbing joint, the light transmitting pouring ring wraps the light absorbing joint and the light absorbing pipe, and the light absorbing joint and the light absorbing pipe are fixedly connected with the light transmitting pouring ring through fusion areas formed after laser welding. After the light absorption tube and the light absorption joint are assembled, casting an outer light-transmitting casting ring, and then performing laser welding; the light-transmitting casting ring is ensured to be completely matched with the pipeline and the joint; the sealing of the light-transmitting casting ring, the light-absorbing tube and the light-absorbing joint is ensured through corresponding laser welding beads. The utility model has the characteristics of compact structure, reliable sealing of connection etc.

Description

Ribbed flat tube connecting device

Technical Field

The utility model relates to a pipeline weld forming technique especially relates to add muscle flat tube connection device.

Background

In order to meet the more rigorous requirement of limiting the space in the vehicle, a plurality of mainstream manufacturers at present propose a scheme of replacing a round tube with a flat tube, and a joint of the flat tube and a joint adopts a laser welding connection structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above problem, provide a compact structure, connect reliable sealed muscle flat tube connection device that adds.

The technical scheme of the utility model is that: add muscle flat tube connecting device includes:

the end part of the light-absorbing joint is provided with a bell and spigot;

the light absorbing pipe is matched with the bell and spigot and is sleeved on the bell and spigot; and

the light-transmitting casting ring wraps the light-absorbing joints and the outer sides of the light-absorbing tubes, and the light-absorbing joints and the light-absorbing tubes are fixedly connected with the light-transmitting casting ring through fusion areas.

Furthermore, a limiting table is arranged at the joint of the light absorption joint and the light-transmitting casting ring.

Further, the fusion region includes tube fusion and linker fusion;

the tube is fused on the outer surface of the light absorption tube and protrudes towards the light-transmitting casting ring;

the joints are fused on the outer surface of the light absorption joint and protrude towards the light-transmitting casting ring.

Further, the tube fusion is provided with two.

Further, the light absorbing tube is a flat tube.

The utility model comprises a light absorption joint, a light absorption tube and a light transmission casting ring; the light absorbing pipe is matched with the bell and spigot and sleeved on the bell and spigot of the light absorbing joint, the light transmitting pouring ring wraps the light absorbing joint and the light absorbing pipe, and the light absorbing joint and the light absorbing pipe are fixedly connected with the light transmitting pouring ring through fusion areas formed after laser welding. After the light absorption tube and the light absorption joint are assembled, the outer light-transmitting pouring ring is poured firstly, and then laser welding is carried out; the light-transmitting casting ring is completely matched with the pipeline and the joint; the sealing of the light-transmitting casting ring, the light-absorbing tube and the light-absorbing joint is ensured through corresponding laser welding beads. The utility model has the characteristics of compact structure, connection are reliably sealed etc.

Drawings

Figure 1 is a schematic perspective view of the present invention,

figure 2 is a front view of figure 1,

FIG. 3 isbase:Sub>A schematic view of the structure of FIG. 2 along line A-A;

in the figure, 100 is the light absorbing joint, 110 is the stop, 120 is the joint fusion,

200 is a light absorbing tube, 210 is a tube fusion,

300 is a light transmissive casting ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", 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. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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 as a specific case by those skilled in the art.

The utility model is shown in figures 1-3; add muscle flat tube connecting device includes:

the light absorption joint 100, wherein a socket is arranged at the end part of the light absorption joint 100; the light-absorbing joint 100 is made of light-absorbing materials, such as PPA-GF30/CZM30;

the light absorbing pipe 200 is matched with the bell socket and is sleeved on the bell socket, and the light absorbing pipe 200 is made of a light absorbing material, such as PPA/CEVBLACKP 010TL; and

the light-transmitting casting ring 300 is wrapped on the outer sides of the light-absorbing joint 100 and the light-absorbing tube 200, and the light-absorbing joint 100 and the light-absorbing tube 200 are fixedly connected with the light-transmitting casting ring 300 through fusion areas formed after laser welding. The light-transmitting casting ring 300 is made of light-transmitting material, such as PPA-GF30/CZM30LASERTLD.

After the light absorbing tube 200 and the light absorbing joint 100 are assembled, the outer light-transmitting pouring ring is poured firstly, and then laser welding is carried out; the light-transmitting casting ring 300 is guaranteed to be completely matched with the pipeline and the joint; the sealing of the light-transmitting casting ring 300 to the light-absorbing tube 200 and the light-absorbing coupling 100 is ensured by corresponding laser welding.

Further, the light absorbing tube 200 is a flat tube.

Further preferably, a limiting table 110 is arranged at the joint of the light-absorbing joint 100 and the light-transmitting casting ring 300.

Further defined, the fusion region includes a tube fusion 210 and a linker fusion 120; the formation of the fusion zone is that laser beams penetrate through the light-transmitting casting ring 300 of the upper layer of light-transmitting material, then the lower layer of material (namely the light-absorbing joint 100 and the light-absorbing tube 200) respectively absorbs short-waveband infrared laser, after the laser absorption, the light energy is converted into heat energy, and the lower layer of material thermally expands to generate internal stress to form the fusion zone;

the tube fusion 210 is positioned on the outer surface of the light absorbing tube 200 and protrudes towards the light-transmitting casting ring 300;

the joint fusion 120 is located on the outer surface of the light absorbing joint 100 and protrudes toward the light-transmitting casting ring 300.

Further preferably, there are two tube fusions 210.

To sum up, the tube fusion 210 is provided with two, the joint fusion 120 is provided with three, that is, the laser adopts three-set weld path design, the first and second weld paths (the tube fusion 210 is provided with two in the above) ensure the connection and sealing between the light-transmitting casting ring 300 and the light-absorbing tube 200, and the third weld path (between the light-absorbing joint 100 and the light-transmitting casting ring 300) ensure the connection and sealing between the casting ring and the joint.

The manufacturing steps of the scheme are as follows:

1. the flat light absorbing tube 200 and the light absorbing joint 100 are inserted and assembled in place;

2. preheating a pouring mold to 90 +/-5 ℃;

3. placing the assembled parts in the step 1 in a pouring mould according to the copying limit;

4. pouring by adopting injection pressure of 40-50Mpa, and maintaining the pressure for more than 10s to form a light-transmitting pouring ring;

5. naturally cooling the poured part for more than 1 min;

6. placing the cast product into a welding tool for laser welding;

7. and a spiral welding bead matched with the product appearance is adopted, and the width of the welding bead is 1-2mm. And controlling the welding temperature within the range of 270 to 290 ℃ by a power temperature closed loop.

The preheating of the casting mold in the step 2 can ensure that the shrinkage difference of the molten materials is small, the size is more stable, and simultaneously, the glass fibers can be uniformly distributed, thereby ensuring that the light transmittance of different parts can reach more than 30% during the subsequent laser welding;

4, the pressure and the pressure maintaining and cooling time of the pouring in the step 4 can ensure that the pouring material is tightly attached to the pipeline and the joint and certain internal stress is kept;

the first welding bead and the second welding bead ensure the connection and the sealing of the pouring ring and the pipeline, the third welding bead ensures the connection and the sealing of the pouring ring and the joint, and the sealing performance and the firmness of welding are ensured by adopting the width of the 1-2 welding beads and adopting the spiral welding beads.

The disclosure of the present application also includes the following points:

(1) The drawings of the embodiments disclosed in the specification only relate to the structures related to the embodiments disclosed in the specification, and other structures can refer to common designs;

(2) In case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;

the above are only the embodiments disclosed in the present application, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure shall be subject to the scope of the claims.

Claims (5)

1. Add muscle flat tube connecting device, its characterized in that includes:

the end part of the light-absorbing joint is provided with a socket;

the light absorbing pipe is matched with the bell and spigot and is sleeved on the bell and spigot; and

the light-absorbing joint and the light-absorbing tube are fixedly connected with the light-transmitting casting ring through a fusion area.

2. The reinforced flat tube connecting device according to claim 1, wherein a limiting table is arranged at the joint of the light absorbing joint and the light-transmitting casting ring.

3. The stiffening flat tube connection according to claim 1 wherein the fusion zone comprises a tube fusion and a joint fusion;

the tube is fused on the outer surface of the light absorption tube and protrudes towards the light-transmitting casting ring;

the joints are fused on the outer surface of the light absorption joint and protrude towards the light-transmitting casting ring.

4. A reinforced flat pipe connection according to claim 3 wherein there are two of the pipes in a fused arrangement.

5. A reinforced flat tube connection device according to claim 1, wherein the light absorbing tube is a flat tube.

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