A laser welded seal for a cooling water tank

Abstract

The utility model provides a kind of laser welding sealing structure of cooling water tank, including water tank main body, the water tank main body is T-shaped structure, it is the shape of one end wide, one end narrow, wide one end is equipped with opening, and opening is equipped with the matching groove of inward recessing;Further including tail cover bottom plate, the tail cover bottom plate is square structure, the size of the tail cover bottom plate is matched with the recessing matching groove size of water tank main body;Two circular through holes are equipped on the tail cover bottom plate, the through hole is located on the vertical center line of tail cover bottom plate, the through hole is equipped with pagoda water pipe joint, the inner diameter of the through hole is not the same, the inner diameter of the through hole is small on the side close to pagoda water pipe joint, the inner diameter of the through hole is large on the side away from pagoda water pipe joint.The protruding design of the present application through pagoda water pipe joint, through the recessing design of the different inner diameter of through hole, so that pagoda water pipe joint can be closely connected with through hole.

Description

Technical Field

[0001] This utility model relates to the field of laser welding technology, and in particular to a laser welding sealing structure for a cooling water tank. Background Technology

[0002] With industrial development and continuous technological progress, laser welding technology has been widely applied in high-precision manufacturing fields such as automobiles, ships, airplanes, and high-speed trains, bringing significant improvements to people's quality of life.

[0003] However, water tanks are generally sealed with rubber seals. Rubber seals have a limited lifespan and after a period of use, fasteners may loosen, leading to a significant decrease in sealing performance or even failure.

[0004] Therefore, this application provides a laser-welded sealing structure for a cooling water tank to solve the above-mentioned technical problems. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a laser-welded sealing structure for a cooling water tank to solve the problems in the prior art, where water tanks are generally welded with rubber seals, which leads to a significant reduction in the service life or failure of rubber seals, and assembly is mostly done by direct insertion.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A laser-welded sealing structure for a cooling water tank includes a tank body, which is a T-shaped structure with one end wide and the other end narrow. The wide end has an opening, and the opening has an inwardly recessed mating groove. It also includes a tail cap bottom plate, which has a square structure and whose dimensions match the dimensions of the recessed matching groove of the water tank body. The tail cap bottom plate is provided with two circular through holes, which are located on the vertical center line of the tail cap bottom plate. A pagoda water pipe connector is installed in the through hole.

[0007] Furthermore, the bottom end of the pagoda-shaped water pipe connector is accommodated in the through hole of the tail cap bottom plate.

[0008] Furthermore, the bottom end of the pagoda-shaped water pipe connector is provided with a protrusion, which is evenly surrounding the pagoda-shaped water pipe connector and has a circular structure.

[0009] Furthermore, the inner diameters of the through holes vary, with the inner diameter being larger on the side closer to the pagoda-shaped water pipe connector and smaller on the side farther from the pagoda-shaped water pipe connector.

[0010] Furthermore, the main body of the water tank, the bottom plate of the tail cap, and the pagoda-shaped water pipe joint are all made of metal materials. The pagoda-shaped water pipe joint is sealed to the bottom plate of the tail cap by laser welding or direct die casting welding. The bottom plate of the tail cap is sealed to the main body of the water tank by laser welding.

[0011] Furthermore, the main body of the water tank is provided with a snap-fit ​​groove for engaging with the outside.

[0012] Compared with the prior art, this utility model has at least the following beneficial effects: In the above solution, the snap-fit ​​groove design of the water tank body enables it to connect with external devices, and the cooperation between the opening and the bottom plate of the tail cover achieves better sealing performance. Attached Figure Description

[0013] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0014] Figure 1 This is an exploded view of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the pagoda-shaped water pipe connector and the tail cap bottom plate of this utility model. Figure 3 This is a cross-sectional view of the pagoda-shaped water pipe connector and the tail cap bottom plate of this utility model before they are fitted together. Figure 4 This is a cross-sectional view of the pagoda-shaped water pipe connector of this utility model inserted into the bottom plate of the tail cover.

[0015] [Figure Labels] 1. Water tank body; 102. Mating groove; 2. Tail cover bottom plate; 201. Through hole; 3. Pagoda water pipe connector; 301. Protrusion; 101. Snap-fit ​​groove.

[0016] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0017] The laser-welded sealing structure of a cooling water tank provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0018] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0019] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0020] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0021] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0022] like Figures 1-4As shown, an embodiment of this utility model provides a laser welding sealing structure for a cooling water tank, including a water tank body 1. The water tank body 1 has a T-shaped structure, with one end wide and the other end narrow. The water tank body 1 is provided with a snap-fit ​​groove 101 for engaging with external components. In actual use, the water tank body 1 may also need to be connected to external devices. The design of the snap-fit ​​groove 101 is to allow the water tank body 1 to be inserted into external devices. Its "one end wide and the other end narrow" design is also designed according to the shape of external devices in actual use scenarios. The wide end has an opening, and the opening has an inwardly recessed mating groove 102; It also includes a tail cap base plate 2, which has a square structure. The purpose of the tail cap base plate 2 is to provide better sealing performance when it is inserted into the mating groove 102. Since the water tank body 1 is designed into a square structure according to the shape of the external device, the tail cap base plate 2 used in conjunction with it is also designed into a square structure. The size of the tail cap base plate 2 matches the size of the recessed mating groove 102 of the water tank body 1.

[0023] The tail cap bottom plate 2 has two circular through holes 201, which are located on the vertical center line of the tail cap bottom plate 2. When the pagoda water pipe connector 3 is inserted into the through hole 201, the pagoda water pipe connector 3 is also on the same vertical center line. The pagoda water pipe connector 3 is installed in the through hole 201. The bottom end of the pagoda water pipe connector 3 has a protrusion 301, which is evenly wrapped around the pagoda water pipe connector 3 and has a circular structure. This design makes the connection between the pagoda water pipe connector 3 and the tail cap bottom plate 2 tighter. The bottom end of the pagoda water pipe connector 3 is accommodated in the through hole 201 of the tail cap bottom plate 2. The inner diameters of the through holes 201 vary. The inner diameter of the through hole 201 is larger on the side closer to the pagoda water pipe connector 3, and smaller on the side farther away from the pagoda water pipe connector 3. This makes it easier for the pagoda water pipe connector 3 to be inserted into the tail cap bottom plate 2.

[0024] Furthermore, the water tank body 1, the tail cap bottom plate 2, and the pagoda water pipe connector 3 are all made of metal materials. The pagoda water pipe connector 3 is sealed to the tail cap bottom plate 2 by laser welding or direct die casting welding. The tail cap bottom plate 2 is sealed to the water tank body 1 by laser welding.

[0025] The working principle of this application is as follows: the pagoda water pipe connector 3 is inserted into the tail cover bottom plate 2. After assembly, the tail cover bottom plate 2 is then welded to the water tank body 1, thus forming a tight and sealed cooling water tank structure.

[0026] It should also be noted that when the pull-out force requirements for the various parts of the overall water tank are not high, the water tank body 1, the tail cap bottom plate 2, and the pagoda water pipe connector 3 can also be laser welded using injection molding materials. In addition, if a leak is found during subsequent airtightness testing, the mating structure between the protrusion 301 and the through hole 201 of the pagoda water pipe connector 3 can be re-welded as a remedial measure, depending on the location of the leak.

[0027] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0028] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A laser-welded sealing structure for a cooling water tank, characterized in that, Includes a water tank body (1), which is a T-shaped structure with one end wide and the other end narrow. The wide end has an opening, and the opening has an inwardly recessed mating groove (102). It also includes a tail cap bottom plate (2), which is a square structure and whose dimensions match the dimensions of the recessed mating groove (102) of the water tank body (1); The tail cap bottom plate (2) is provided with two circular through holes (201). The through holes (201) are located on the vertical center line of the tail cap bottom plate (2). A pagoda water pipe connector (3) is installed in the through holes (201).

2. The laser-welded sealing structure of the cooling water tank according to claim 1, characterized in that, The bottom end of the pagoda water pipe connector (3) is accommodated in the through hole (201) of the tail cover bottom plate (2).

3. The laser-welded sealing structure of the cooling water tank according to claim 2, characterized in that, The bottom end of the pagoda water pipe connector (3) is provided with a protrusion (301), the protrusion (301) is evenly wrapped around the pagoda water pipe connector (3), and the protrusion (301) has a circular structure.

4. The laser-welded sealing structure of the cooling water tank according to claim 1 or 3, characterized in that, The inner diameters of the through holes (201) vary. The inner diameter of the through hole (201) is larger on the side closer to the pagoda water pipe connector (3), and smaller on the side of the through hole (201) further away from the pagoda water pipe connector (3).

5. The laser-welded sealing structure of the cooling water tank according to claim 1, characterized in that, The main body (1), the bottom plate (2) of the tail cover, and the pagoda water pipe connector (3) are all made of metal materials. The pagoda water pipe connector (3) is sealed to the bottom plate (2) by laser welding or direct die casting welding. The bottom plate (2) of the tail cover is sealed to the main body (1) of the water tank by laser welding.

6. The laser-welded sealing structure of the cooling water tank according to claim 1, characterized in that, The water tank body (1) is provided with a snap-fit ​​groove (101) for engaging with the outside.

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