CN216976180U

CN216976180U - Novel spacing inlet tube that prevents changeing

Info

Publication number: CN216976180U
Application number: CN202220055870.9U
Authority: CN
Inventors: 董敏; 白永洁; 李建安
Original assignee: Ningbo Fushi Automobile Components Co Ltd
Current assignee: Ningbo Fushi Automobile Components Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-15
Anticipated expiration: 2032-01-11

Abstract

The utility model provides a novel limiting anti-rotation water inlet pipe which is applied to cooling water inlet connection of an engine; the water inlet pipe comprises a hard pipe body, a first joint is formed at one end of the hard pipe body, a second joint is formed at the other end of the hard pipe body, a plurality of flow dividing pipes are arranged on an outer wall pipe of the hard pipe body, each flow dividing pipe is respectively communicated with an inner cavity of the hard pipe body, and a plurality of connecting structures are also arranged on the outer wall pipe of the hard pipe body; the outer side wall of the first joint and/or the second joint is/are provided with a limiting structure, and the limiting structure can limit the hard pipe body to rotate when the hard pipe body is connected to a test interface of an engine; the novel limiting anti-rotation water inlet pipe provided by the utility model is simple and practical in structure, can be conveniently connected, improves the testing precision and reduces the labor intensity of workers.

Description

Novel spacing inlet tube that prevents changeing

Technical Field

The utility model belongs to the technical field of engine water inlet pipes, and particularly relates to a novel limiting anti-rotation water inlet pipe.

Background

The existing engine water inlet pipe is generally of a round pipe structure, and is easy to rotate in the process of connecting an engine to test, so that the test is inaccurate, and particularly, the rotation and the insecure assembly are easy to occur under the condition that the flow speed of the water inlet pipe is large.

Based on the technical problems existing in the water inlet pipe of the engine, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The utility model aims to provide a novel limiting anti-rotation water inlet pipe aiming at overcoming the defects in the prior art and aims to solve the problem that the existing engine water inlet pipe is easy to rotate when being connected.

The utility model provides a novel limiting anti-rotation water inlet pipe which is applied to cooling water inlet connection of an engine; the water inlet pipe comprises a hard pipe body, a first joint is formed at one end of the hard pipe body, a second joint is formed at the other end of the hard pipe body, a plurality of flow dividing pipes are arranged on an outer wall pipe of the hard pipe body, each flow dividing pipe is respectively communicated with an inner cavity of the hard pipe body, and a plurality of connecting structures are also arranged on the outer wall pipe of the hard pipe body; the outer side wall of the first joint and/or the second joint is provided with a limiting structure, and the limiting structure can limit the hard pipe body to rotate when the hard pipe body is connected to a test interface of an engine.

Furthermore, limit structure is the boss, and the boss sets up on the lateral wall of the hard pipe wall of first joint along the radial protrusion of hard pipe body.

Further, the boss is cylindrical, and cylindrical boss and hard tube wall integrated into one piece.

Furthermore, an annular groove is further formed in the outer side wall of the first connector, a sealing ring is arranged in the annular groove, and the annular groove is located between the boss and the opening of the first connector.

Furthermore, an inclined plane is formed on the outer side wall of the opening of the first joint, and an included angle a between the inclined plane and the straight wall surface of the first joint is 15-20 degrees; the length h of the inclined surface along the axial direction of the first connector is 1.5mm to 2 mm.

Furthermore, the shunt tubes comprise a first shunt tube, a second shunt tube and a third shunt tube; the first shunt pipe is arranged at the first joint, and an avoidance groove is formed at the joint of the first shunt pipe and the first joint; the second shunt tube and the third shunt tube are respectively arranged at the second joint, the second shunt tube is of a bent tube structure, and the third shunt tube is of a straight tube.

Further, the hard pipe body comprises a straight pipe section and a bent pipe section, an avoiding groove is formed in the straight pipe section, and the second shunt pipe is arranged on the bent pipe section.

Furthermore, a necking structure is formed in the second shunt pipe, and the necking structure can adjust the flow of the second shunt pipe.

The novel limiting anti-rotation water inlet pipe provided by the utility model is simple and practical in structure, can be conveniently connected, improves the testing precision and reduces the labor intensity of workers.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model will be further explained with reference to the drawings, in which:

FIG. 1 is a first perspective view of a novel limiting anti-rotation water inlet pipe according to the present invention;

FIG. 2 is a schematic view of portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic perspective view of a novel limiting anti-rotation water inlet pipe according to the present invention;

FIG. 4 is a side view of the joint of the present invention;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of portion B of FIG. 5 in accordance with the present invention;

fig. 7 is a front view of the joint of the present invention.

In the figure: 1. a rigid tube body; 2. a first joint; 21. an annular groove; 22. a bevel; 3. a second joint; 4. a first shunt pipe; 41. an avoidance groove; 5. a second shunt pipe; 6. a third shunt pipe; 7. a hard tube wall; 8. a boss; 9. and (5) sealing rings.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 7, the present invention provides a novel limiting anti-rotation water inlet pipe, which is applied to the cooling water inlet connection of an engine; the water inlet pipe comprises a hard pipe body 1, a first joint 2 is formed at one end of the hard pipe body 1, a second joint 3 is formed at the other end of the hard pipe body 1, a plurality of flow dividing pipes are arranged on an outer wall pipe of the hard pipe body 1, each flow dividing pipe is respectively communicated with an inner cavity of the hard pipe body 1, and a plurality of connecting structures are also arranged on the outer wall pipe of the hard pipe body 1; the outer side wall of the first connector 2 and/or the second connector 3 is/are provided with a limiting structure, and the limiting structure can limit the hard pipe body 1 to rotate when the hard pipe body 1 is connected to a test interface of an engine; by adopting the scheme, the limiting structure is arranged at the interface of the hard pipe body and is in limiting connection with the test interface of the engine through the limiting structure, so that the water inlet pipe is prevented from rotating in the test process, and the water inlet pipe is prevented from being connected for multiple times; the structure is simple and practical.

Preferably, in combination with the above solution, as shown in fig. 1 to 7, in the present embodiment, the limiting structure is a boss 8, and the boss 8 is arranged on the outer side wall of the hard pipe wall 7 of the first joint 2 in a protruding manner along the radial direction of the hard pipe body 1; further, the boss 8 is a cylindrical boss, and the cylindrical boss and the hard pipe wall 7 are integrally formed, so that the processing and forming are convenient.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, an annular groove 21 is further provided on the outer side wall of the first joint 2, a sealing ring 9 is provided in the annular groove 21, and specifically, the annular groove 21 is located between the boss 8 and the opening of the first joint 2, so as to achieve a good sealing effect during the connection process.

Preferably, in combination with the above, as shown in fig. 1 to 7, the open outer side wall of the first connector 2 is formed with a slope 22 so as to facilitate the butt joint; in particular, the angle a between this inclined surface 22 and the straight wall surface of the first joint 2 is between 15 ° and 20 °, preferably 17 ° or 19 °; further, the length h of the inclined surface 22 in the axial direction of the first connector 2 is 1.5mm to 2mm, preferably 1.8mm, which facilitates the machining.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, the shunt tubes include a first shunt tube 4, a second shunt tube 5, and a third shunt tube 6; specifically, the first shunt tube 4 is arranged at the first joint 2, and an avoidance groove 41 is formed at the joint of the first shunt tube 4 and the first joint 2; further, the second shunt tube 5 and the third shunt tube 6 are respectively arranged at the second joint 3, the second shunt tube 5 is of a bent tube structure, and the third shunt tube 6 is of a straight tube.

Preferably, in combination with the above solution, as shown in fig. 1 to 7, the hard pipe body 1 includes a straight pipe section and a bent pipe section, the straight pipe section is provided with an avoiding groove 41, and the second shunt pipe 5 is provided on the bent pipe section.

Preferably, in combination with the above solutions, as shown in fig. 1 to 7, a necking structure is formed in the second shunt pipe 5, and the necking structure can adjust the flow rate of the second shunt pipe 5, so as to facilitate the test adjustment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A novel limiting anti-rotation water inlet pipe is applied to cooling water inlet connection of an engine; the water inlet pipe is characterized by comprising a hard pipe body (1), wherein one end of the hard pipe body (1) is provided with a first joint (2), the other end of the hard pipe body (1) is provided with a second joint (3), the outer wall pipe of the hard pipe body (1) is provided with a plurality of shunt pipes, each shunt pipe is respectively communicated with the inner cavity of the hard pipe body (1), and the outer wall pipe of the hard pipe body (1) is also provided with a plurality of connecting structures; the outer side wall of the first joint (2) and/or the second joint (3) is provided with a limiting structure, and the limiting structure can limit the hard pipe body (1) to rotate when the hard pipe body (1) is connected to a test interface of an engine; the limiting structure is a boss (8), and the boss (8) is arranged on the outer side wall of the hard pipe wall (7) of the first connector (2) in a protruding mode along the radial direction of the hard pipe body (1); the boss (8) is a cylindrical boss, and the cylindrical boss and the hard pipe wall (7) are integrally formed; still be equipped with ring channel (21) on the lateral wall of first joint (2), be equipped with sealing washer (9) in ring channel (21), ring channel (21) are located boss (8) with between the opening of first joint (2).

2. A novel limiting and anti-rotating water inlet pipe according to claim 1, characterized in that the outer side wall of the opening of the first joint (2) is formed with a bevel (22), and the included angle a between the bevel (22) and the straight wall surface of the first joint (2) is 15-20 °; the length h of the inclined surface (22) along the axial direction of the first connector (2) is 1.5mm to 2 mm.

3. The novel limiting and anti-rotating water inlet pipe according to claim 1, characterized in that the shunt pipe comprises a first shunt pipe (4), a second shunt pipe (5) and a third shunt pipe (6); the first shunt pipe (4) is arranged at the first joint (2), and an avoidance groove (41) is formed at the joint of the first shunt pipe (4) and the first joint (2); second shunt tubes (5) with third shunt tubes (6) set up respectively in second connects (3) department, second shunt tubes (5) are the bent pipe structure, third shunt tubes (6) are the straight tube.

4. A novel limiting and anti-rotating water inlet pipe according to claim 3, characterized in that the hard pipe body (1) comprises a straight pipe section and a bent pipe section, the straight pipe section is provided with an avoidance groove (41), and the second shunt pipe (5) is arranged on the bent pipe section.

5. The novel limiting and anti-rotating water inlet pipe according to claim 4, characterized in that a necking structure is formed in the second shunt pipe (5), and the necking structure can adjust the flow rate of the second shunt pipe (5).