Novel water stopping backflow water pump center pad

Abstract

The utility model discloses a novel water stopping backflow water pump center pad which comprises a connecting cylinder and a circular gasket which are integrally formed, and a polygonal inserting hole with an opening in the top face is formed in the connecting cylinder. A plurality of reinforcing ribs are integrally formed on the lower part of the outer wall of the connecting cylinder and the top surface of the circular gasket; an inclined transition part is arranged at the end part, far away from the connecting cylinder, of the reinforcing rib; and a pressing avoiding area is arranged between the inclined transition part and the edge of the top surface of the circular gasket. The round gasket is reasonable in structural arrangement, the overall strength can be improved, the round gasket can be effectively attached to the surface of the water end when water backflow is stopped through the abutting and pressing receding area, the sealing performance of water backflow stopping is guaranteed, in other words, the reinforcing ribs cannot affect normal water backflow stopping operation of the round gasket, use stability and reliability are improved, and the service life of the round gasket is prolonged. And the thinning ribs are additionally arranged, so that the situation that the joints are broken is prevented, the overall service life is prolonged, the applicability is high, and the practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps, and in particular relates to a novel center pad for a water-stopping backflow water pump. Background Art

[0002] A one-way valve is a common component structure in a water pump, which is mainly used to prevent the water pump from backflowing. The center pad is an important structure of the one-way valve. The center pad structure of the prior art is not reasonable. It is composed of a connecting cylinder and a gasket. Although it can meet the general usage requirements, the strength of the connection is low. When in use, the connection between the connecting cylinder and the gasket is prone to breakage, affecting the anti-backflow effect. Therefore, its applicability and practicality are limited. Summary of the invention

[0003] The utility model aims to provide a novel water-stopping backflow water pump center pad which has a reasonable structure and is beneficial to improving the overall strength.

[0004] The technical solution to achieve the purpose of the utility model is a new type of water-stopping backflow water pump center pad, including an integrally formed connecting cylinder and a circular gasket, wherein a polygonal jack with an open top surface is arranged in the connecting cylinder;

[0005] A plurality of reinforcing ribs are integrally formed between the lower portion of the outer wall of the connecting cylinder and the top surface of the circular gasket;

[0006] The end of the reinforcing rib away from the connecting cylinder is provided with an inclined transition portion;

[0007] A pressure avoidance area is arranged between the inclined transition portion and the top surface edge of the circular gasket.

[0008] Further preferably, a spherical crown-shaped cavity is provided on the bottom surface of the circular gasket.

[0009] It is further preferred that the polygonal socket is a square, rectangular, pentagonal or hexagonal socket.

[0010] It is further preferred that the connecting cylinder and the circular gasket are silicone or rubber structures.

[0011] More preferably, the top surface of the reinforcing rib is an arc-shaped surface.

[0012] It is further preferred that the height of the connecting cylinder is 2-4 times the height of the reinforcing rib.

[0013] The utility model has positive effects: the structure of the utility model is reasonably arranged, and a plurality of reinforcing ribs are provided between the top surface of the connecting cylinder and the circular gasket, and the end of the reinforcing rib is an inclined transition portion, and at the same time, there is a pressure avoidance area at the edge of the top surface of the circular gasket, which can not only improve the overall strength, but also can effectively adhere to the surface of the water end through the pressure avoidance area when stopping water backflow, thereby ensuring the sealing of water backflow stopping, that is, the reinforcing ribs will not affect the normal water backflow stopping operation of the circular gasket, which is beneficial to improving the stability and reliability of use, and the addition of thinned ribs is also beneficial to preventing breakage at the connection, which is beneficial to improving the overall service life, and has strong applicability and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0017] Reference numerals: connecting cylinder 1 , circular gasket 2 , polygonal insertion hole 3 , reinforcing rib 4 , inclined transition portion 5 , pressure avoidance area 6 , spherical crown-shaped cavity 7 . DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0019] See Figure 1 and Figure 2 As shown, a new type of water backflow stopping water pump center pad includes an integrally formed connecting cylinder 1 and a circular gasket 2, wherein a polygonal socket 3 with an open top surface is arranged in the connecting cylinder; in this embodiment, the polygonal socket is a square, rectangular, pentagonal or hexagonal socket. The connecting cylinder and the circular gasket are silicone or rubber structures. When in use, the connecting cylinder is plugged into the valve seat at the water outlet, and the top surface of the circular gasket is attached to the valve seat, which can ensure the effectiveness of water backflow stopping;

[0020] In actual application, a plurality of reinforcing ribs 4 are integrally formed between the lower portion of the outer wall of the connecting cylinder and the top surface of the circular gasket; the top surface of the reinforcing ribs is an arc-shaped surface. The height of the connecting cylinder is 2-4 times the height of the reinforcing ribs. An inclined transition portion 5 is provided at the end of the reinforcing rib away from the connecting cylinder; and a pressure avoidance area 6 is provided between the inclined transition portion and the edge of the top surface of the circular gasket. Through the above structure, when stopping water backflow, the pressure avoidance area of ​​the edge of the top surface of the circular gasket can be attached to the valve seat, thereby ensuring the sealing of the connection and the effectiveness of stopping water backflow. Moreover, the inclined transition portion can reduce the influence of the reinforcing ribs on the water backflow stopping action, and through the reinforcing ribs, the strength of the overall structure can be ensured to prevent the connection from breaking, thereby improving the stability and reliability of use.

[0021] In actual application, the bottom surface of the circular gasket is provided with a spherical crown-shaped cavity 7. The edge of the circular gasket can be sealed against the edge of the valve seat under water pressure.

[0022] The utility model has positive effects: the structure of the utility model is reasonably arranged, and a plurality of reinforcing ribs are provided between the top surface of the connecting cylinder and the circular gasket, and the end of the reinforcing rib is an inclined transition portion, and at the same time, there is a pressure avoidance area at the edge of the top surface of the circular gasket, which can not only improve the overall strength, but also can effectively adhere to the surface of the water end through the pressure avoidance area when stopping water backflow, thereby ensuring the sealing of water backflow stopping, that is, the reinforcing ribs will not affect the normal water backflow stopping operation of the circular gasket, which is beneficial to improving the stability and reliability of use, and the addition of thinned ribs is also beneficial to preventing breakage at the connection, which is beneficial to improving the overall service life, and has strong applicability and good practicality.

[0023] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0024] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A new type of water-stopping backflow water pump center pad, comprising an integrally formed connecting cylinder and a circular gasket, characterized in that: The connecting cylinder is provided with a polygonal plug hole with an open top surface; A plurality of reinforcing ribs are integrally formed between the lower portion of the outer wall of the connecting cylinder and the top surface of the circular gasket; The end of the reinforcing rib away from the connecting cylinder is provided with an inclined transition portion; A pressure avoidance area is arranged between the inclined transition portion and the top surface edge of the circular gasket.

2. According to claim 1, a new type of water stop backflow water pump center pad is characterized by: The bottom surface of the circular gasket is provided with a spherical crown-shaped cavity.

3. According to claim 2, a new type of water stop backflow water pump center pad is characterized by: The polygonal jack is a square, rectangular, pentagonal or hexagonal jack.

4. According to claim 1, a new type of water stop backflow water pump center pad is characterized by: The connecting cylinder and the circular gasket are silicone or rubber structures.

5. According to claim 1, a new type of water stop backflow water pump center pad is characterized by: The top surface of the reinforcing rib is an arc-shaped surface.

6. According to claim 1, a new type of water stop backflow water pump center pad is characterized by: The height of the connecting cylinder is 2-4 times the height of the reinforcing rib.

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