Water pump water outlet pipe with sealing structure

Abstract

The utility model belongs to the technical field of water pumps, and particularly relates to a water pump water outlet pipe with a sealing structure, which comprises a water outlet pipe main body, a first connector is arranged on the water outlet pipe main body, and an annular clamping groove is arranged on the water outlet pipe main body outside the first connector; the second joint is used for being fixed on a water pump and connected with the first joint; the sealing ring is arranged in the clamping groove, and when the first connector is connected with the second connector, the end of the second connector abuts against one end of the sealing ring; wherein the end part of the second joint is provided with an inclined first inclined plane part, and the sealing ring is provided with a second inclined plane part which abuts against the first inclined plane part. In the utility model, as the first inclined surface part is obliquely arranged, when the end part of the second joint is propped against the sealing ring, the outward movement of the sealing ring can be limited through the first inclined surface part and the second inclined surface part which are inclined, so that the normal installation of the sealing ring is prevented from being influenced by the outward movement of the sealing ring.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps, in particular to a water pump outlet pipe with a sealing structure. Background Art

[0002] The existing water outlet pipe is provided with a threaded joint for connecting with the water pump. When the threaded joint is connected with the water pump, a sealing structure is provided between the threaded structure and the water pump to achieve sealing after the connection. Most of the existing sealing is performed by an O-ring. Accordingly, a groove for placing the O-ring is provided on the outer edge of the threaded joint. The O-ring is easy to fall off from the groove during installation, affecting the installation efficiency of the water outlet pipe. Summary of the invention

[0003] The utility model aims to provide a sealing structure which can effectively increase the installation speed of a water outlet pipe.

[0004] The purpose of the utility model is achieved in this way:

[0005] A water pump outlet pipe with a sealing structure, comprising:

[0006] A water outlet pipe body, wherein a first joint is arranged on the water outlet pipe body, and an annular clamping groove is arranged on the water outlet pipe body outside the first joint;

[0007] a second connector, used to be fixed on the water pump to connect with the first connector; and

[0008] A sealing ring is arranged in the slot, and when the first connector is connected to the second connector, an end of the second connector abuts against one end of the sealing ring;

[0009] Wherein, an inclined first sloped portion is provided on the end of the second joint, and a second sloped portion abutting against the first sloped portion is provided on the sealing ring.

[0010] Furthermore, the cross section of the card slot is square, and the sealing ring has a square engaging portion corresponding to the card slot.

[0011] Furthermore, the width of the clamping groove is greater than the width of the sealing ring, and when the square clamping portion of the sealing ring is located in the clamping groove, a clearance space is formed outside the sealing ring.

[0012] Furthermore, an annular embedding groove is provided on the outer wall of the first interface, and the sealing ring is installed in the embedding groove.

[0013] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0014] In this patent, since the first inclined portion is inclined, when the end of the second joint abuts against the sealing ring, the inclined first inclined portion and the second inclined portion can limit the outward movement of the sealing ring, thereby preventing the sealing ring from moving outward and affecting the normal installation of the sealing ring. Moreover, since the square engaging portion on the sealing ring and the cross-section of the card slot are both square, when the sealing ring is located in the card slot, the matching structure of the sealing ring and the card slot is stable and is not easy to fall off from the card slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model used on a water pump.

[0016] Figure 2 It is a schematic diagram of the cross section of the outlet pipe.

[0017] Figure 3 This is the explosion diagram when the outlet pipe is placed in the forward direction.

[0018] Figure 4 This is the explosion diagram when the outlet pipe is placed in reverse.

[0019] The meaning of the symbols in the figure:

[0020] 1. Water outlet pipe body; 11. First joint; 12. Slot; 13. Embedded groove; 2. Second joint; 21. First inclined portion; 3. Sealing ring; 31. Second inclined portion; 32. Square engaging portion; 4. Fluid pump housing; 5. Motor pump housing. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with specific embodiments:

[0022] A water pump outlet pipe with a sealing structure, which is used in a water pump, such as Figure 1 As shown, the water pump includes a fluid pump housing 4, in which a chamber for fluid medium to pass through is provided, and a motor pump housing 5 next to the fluid pump body, in which a motor for driving an impeller to rotate to realize the operation of the water pump is provided.

[0023] The water pump outlet pipe with a sealing structure is installed above the fluid pump housing 4, and includes an outlet pipe body 1, a first joint 11, a second joint 2 and a sealing ring 3. Figure 1 , 2As shown, the outlet pipe body 1 is cylindrical as a whole, and the outer wall thereof is provided with the plurality of water outlets; a cylindrical first joint 11 is integrally formed at the lower end of the outlet pipe, and an annular groove 12 is provided on the outlet pipe body 1 outside the first joint 11. In this patent, the outlet pipe body 1 is directly formed by a water expansion process. During the manufacturing process of the outlet pipe body 1, the first joint 11 and the groove 12 on the outlet pipe body 1 can be directly formed by a mold. The second joint 2 is used to be fixed on the water pump to connect with the first joint 11; in this embodiment, the second joint 2 is integrally formed with the fluid pump housing 4. In this embodiment, the first joint 11 and the second joint 2 are provided with corresponding threaded structures, and the first joint 11 is connected with the second joint 2 by the threaded structure, so that the water pump outlet pipe described in this patent is fixed on the fluid pump housing 4.

[0024] The sealing ring 3 is arranged in the slot 12 and is made of rubber material. Figure 2 As shown, a square engaging portion 32 with a square cross-section is provided on the upper end of the sealing ring 3. Correspondingly, the card slot 12 in this patent is also square, and a second inclined portion 31 inclined toward the right is provided at the lower end of the sealing ring 3. A first inclined portion 21 also inclined toward the right is provided at the end of the second joint 2, so that the first inclined portion 21 is inclined toward the inner side of the second joint 2. During installation, the first joint 11 is connected to the second joint 2 so that the first inclined portion 21 and the second inclined portion 31 abut against each other to squeeze the sealing ring 3 into the slot 12; since the first inclined portion 21 is arranged at an angle, when the end of the second joint 2 abuts against the sealing ring 3, the inclined first inclined portion 21 and the second inclined portion 31 can be used to limit the outward movement of the sealing ring 3, thereby preventing the sealing ring 3 from moving outward and affecting the normal installation of the sealing ring 3, and since the square engaging portion 32 on the sealing ring 3 and the cross-section of the slot 12 are both square, when the sealing ring 3 is located in the slot 12, the matching structure of the sealing ring 3 and the slot 12 is stable and not easy to fall off from the slot 12.

[0025] Furthermore, the width of the card slot 12 is greater than the width of the sealing ring 3, and when the square card slot 32 of the sealing ring 3 is located in the card slot 12, a clearance space is formed outside the sealing ring 3. The clearance space is used to provide a deformation space for the extrusion of the sealing ring 3 when the sealing ring 3 is squeezed.

[0026] Furthermore, an annular embedding groove 13 is provided on the outer wall of the first interface, and the sealing ring 3 is installed in the embedding groove 13. Figure 4As shown, the embedding groove 13 is arranged at the root of the first interface. When the sealing ring 3 is inserted into the embedding groove 13, the sealing ring 3 is limited in its upward and downward movement through the embedding groove 13, thereby further reducing the possibility of the sealing ring 3 falling off.

[0027] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water pump outlet pipe with a sealing structure, characterized in that: include: A water outlet pipe body (1), wherein a first joint (11) is provided on the water outlet pipe body (1), and an annular clamping groove (12) is provided on the water outlet pipe body (1) outside the first joint (11); A second connector (2) is used to be fixed on the water pump to connect with the first connector (11); and A sealing ring (3) is arranged in the slot (12), and when the first connector (11) is connected to the second connector (2), an end of the second connector (2) abuts against one end of the sealing ring (3); Wherein, an inclined first sloped portion (21) is provided on the end of the second joint (2), and a second sloped portion (31) abutting against the first sloped portion (21) is provided on the sealing ring (3).

2. The water pump outlet pipe with a sealing structure according to claim 1, characterized in that: The cross section of the card slot (12) is square, and the sealing ring (3) has a square card engaging portion (32) corresponding to the card slot (12).

3. The water pump outlet pipe with a sealing structure according to claim 2, characterized in that: The width of the card slot (12) is greater than the width of the sealing ring (3); when the square card slot (32) of the sealing ring (3) is located in the card slot (12), a clearance space is formed outside the sealing ring (3).

4. The water pump outlet pipe with a sealing structure according to claim 1, characterized in that: An annular embedding groove (13) is also provided on the outer wall of the first joint (11), and the sealing ring (3) is installed in the embedding groove (13).

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