Automobile water pump shell

Abstract

The utility model provides an automobile water pump shell, and belongs to the technical field of machinery. The problems that a sealing piece on a water pump shell is easy to install and unstable in installation, the sealing piece is prone to being separated from an installation position when vibration is generated during automobile operation, the sealing performance of the water pump shell is reduced, and a water pump cannot operate normally are solved. The automobile water pump shell comprises a shell body, the shell body is composed of a fixed cover and a protective cover, the fixed cover is provided with a groove for installing a pump shaft of a water pump, the protective cover is provided with an open groove which is communicated with the groove and facilitates the penetration of the pump shaft of the water pump, and the inner wall of the open groove is provided with an installation groove of an annular structure. And a sealing assembly with a sealing effect is mounted in the mounting groove. The utility model has the advantages of steadiness and convenience in disassembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field, and particularly relates to a car water pump casing. BACKGROUND

[0002] The car water pump is the key part of the cooling system of the car engine, and its main function is to drive the cooling liquid to circulate between the water channel of the engine and the radiator, so as to take away the heat generated by the engine and ensure that the engine works in the appropriate temperature range.

[0003] The existing car water pump casing is generally provided with a sealing element, so that the whole water pump is sealed, but the sealing element on the existing water pump casing is simple to install and unstable, and when the car runs and vibrates, the sealing element is easy to be separated from the installation position, the sealing property of the water pump casing is reduced, and the water pump cannot normally work. SUMMARY

[0004] The utility model discloses a stable and sealed car water pump casing which aims at the above problems in the prior art.

[0005] The utility model discloses a car water pump casing, including the casing, its characterized in that the casing is composed of fixed cover and protection cover, the fixed cover has the recess for the pump shaft of water pump installation, the opening groove that is convenient for the pump shaft of water pump to pass through is set up with recess communication on the protection cover, the installation groove of annular structure is set up on the inner wall of opening groove, the sealing assembly of sealing effect is installed in the installation groove, the sealing assembly is annular and is provided with the sealing ring on the sealing assembly, the sealing ring is composed of the symmetric upper frame ring and lower frame ring, the taper ring is formed to the upper frame ring and lower frame ring junction, the limit guide rail is set up on the taper ring, a plurality of ball bearings are installed on the limit guide rail, the elastic sealing pad for the sealing seat is arranged between the upper frame ring and lower frame ring.

[0006] In the above-mentioned car water pump casing, the positioning ring groove is symmetrically set up on the inner wall of the installation groove, and the clamping ring block that is matched with the positioning ring groove is arranged at the end position of the upper frame ring and the lower frame ring.

[0007] In the above-mentioned car water pump casing, the upper frame ring and the lower frame ring are integrally connected, and the cross section of the sealing ring is conical.

[0008] In the above-mentioned car water pump casing, the sealing ring is made of elastic material.

[0009] Compared with the prior art, the automobile water pump shell has the sealing assembly installed through clamping, which is simple and fast in installation process, can effectively prevent the sealing ring from rotating or displacing in the installation groove, and guarantees the stability of the sealing ring installation and the reliability of the sealing. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a perspective view of the automobile water pump shell.

[0011] Figure 2 is a sectional view of the automobile water pump shell.

[0012] In the figure, 1 is a shell, 2 is a fixed cover, 3 is a protective cover, 4 is an installation groove, 5 is a sealing ring, 6 is an upper bracket ring, 7 is a lower bracket ring, 8 is a conical ring, 9 is a limiting guide rail, 10 is a ball, 11 is an elastic sealing gasket, 12 is a positioning ring groove, and 13 is a clasp block. DETAILED DESCRIPTION

[0013] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0014] As shown in Figure 1 , Figure 2 , the automobile water pump shell 1 comprises a shell 1, the shell 1 is composed of a fixed cover 2 and a protective cover 3, the fixed cover 2 has a groove for installing a water pump shaft, an open groove is arranged on the protective cover 3 and communicates with the groove to facilitate the water pump shaft to pass through, an installation groove 4 in annular structure is arranged on the inner wall of the open groove, a sealing assembly for sealing is installed in the installation groove 4, the sealing assembly is arranged in a circular ring shape, a sealing ring 5 is arranged on the sealing assembly, the sealing ring 5 is composed of an upper bracket ring 6 and a lower bracket ring 7 which are symmetrical, a conical ring 8 is formed at the connection of the upper bracket ring 6 and the lower bracket ring 7, a limiting guide rail 9 is arranged on the conical ring 8, a plurality of balls 10 are installed on the limiting guide rail 9, the depth and width of the limiting guide rail 9 are accurately calculated to ensure that the balls 10 can stably roll therein, when installing, the balls 10 are sequentially put into the limiting guide rail 9, the balls 10 can play a role of auxiliary support and reducing friction during the operation of the water pump shaft, and at the same time, help to improve the sealing effect, the elastic sealing gasket 11 for sealing seat is arranged between the included angle of the upper bracket ring 6 and the lower bracket ring 7, the elastic sealing gasket 11 abuts against the inner wall of the installation groove 4 and plays a sealing role during the operation of the water pump shaft.

[0015] Further, symmetric positioning ring grooves 12 are formed on the inner wall of the installation groove 4, and the end portions of the upper and lower frame rings 6 and 7 are provided with snap ring blocks 13 that are adapted to the positioning ring grooves 12; when the sealing ring 5 is installed, the snap ring blocks 13 are aligned with the positioning ring grooves 12, and are gently pushed in, so that the sealing ring 5 is accurately installed in the installation groove 4; the design of the positioning ring grooves 12 and the snap ring blocks 13 can prevent the sealing ring 5 from rotating or shifting in the installation groove 4, and ensure the reliability of the seal.

[0016] Further, the upper and lower frame rings 6 and 7 are integrally connected, and the cross section of the sealing ring 5 is conical; the conical design can better adapt to the shape of the installation groove 4, and improve the sealing performance.

[0017] Further, the sealing ring 5 is made of elastic material.

[0018] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0019] Although the terms such as the shell 1, the fixed cover 2, the protective cover 3, the installation groove 4, the sealing ring 5, the upper and lower frame rings 6 and 7, the conical ring 8, the limiting guide rail 9, the ball 10, the elastic sealing gasket 11, the positioning ring groove 12, and the snap ring block 13 are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. An automotive water pump housing comprising a housing (1), characterized in that, The shell (1) is composed of a fixed cover (2) and a protective cover (3), the fixed cover (2) is provided with a groove for installing a water pump shaft, an opening groove is formed in the protective cover (3) and communicates with the groove for facilitating the water pump shaft to pass through, an annular mounting groove (4) is formed in the inner wall of the opening groove, a sealing assembly is mounted in the mounting groove (4) for sealing, the sealing assembly is annular, a sealing ring (5) is arranged on the sealing assembly, the sealing ring (5) is composed of a symmetric upper bracket ring (6) and a lower bracket ring (7), a tapered ring (8) is formed at the joint of the upper bracket ring (6) and the lower bracket ring (7), a limiting guide rail (9) is formed on the tapered ring (8), a plurality of balls (10) are mounted on the limiting guide rail (9), and an elastic sealing gasket (11) for sealing is arranged between the upper bracket ring (6) and the lower bracket ring (7).

2. The water pump housing of claim 1, wherein A positioning ring groove (12) is symmetrically formed in the inner wall of the mounting groove (4), and a clamping ring block (13) that is matched with the positioning ring groove is arranged at the end position of the upper bracket ring (6) and the lower bracket ring (7).

3. The water pump housing of claim 1, wherein The upper bracket ring (6) and the lower bracket ring (7) are integrally connected, and the cross section of the sealing ring (5) is tapered.

4. The water pump housing of claim 1, wherein The sealing ring (5) is made of elastic material.

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