Sealing structure of water pump connecting piece

Abstract

The utility model relates to the technical field of water pump and engine connection, and particularly discloses a water pump connecting piece sealing structure which comprises an engine used for vehicle power, a water pump arranged at one end of the engine and a sealing ring installed between the water pump and the engine. One end of the engine is connected with the water pump through a fastener, the water pump comprises a body, a sealing shell is arranged on the outer side of the body, and the space between the sealing shell and the engine is filled with sealant; the sealing ring comprises a ring body, one or more positioning holes are formed in the ring body, and the positioning holes are connected with a sealing shell of the water pump and an engine through fasteners. According to the utility model, through the arrangement of the sealing strip matched with the sealing ring, the contact area of the sealing strip and the rubber ring is larger through the hollow arrangement of the inner side and the compression of pressure when the sealing strip is in contact with a sealant during use, and a better filling effect is formed after curing.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump and engine connection technical field, concretely is a water pump connecting piece sealing structure. BACKGROUND

[0002] The main purpose of connecting the engine and the water pump of the passenger car is to cool the engine.

[0003] The engine generates a large amount of heat when running, and if it cannot be cooled in time, it will cause the engine to overheat, affect the performance and even cause damage. The water pump circulates the coolant to help maintain the engine within the ideal working temperature range, and proper cooling can prevent engine components from deforming or being damaged due to high temperature, prolonging the service life of the engine.

[0004] However, in the production line of the factory, when the water pump and the engine are installed, sealing glue is generally filled, and sealing gaskets are used to realize the sealing connection of the water pump and the engine. However, the sealing gasket in the sealing structure is generally made of rubber, which is limited by thermal expansion and contraction. The sealing connection is prone to strain, and when connected by fasteners, the conventional sealing gasket is generally flat. At this time, when installed by the fastener, the uneven pressure is prone to gaps. Therefore, the present application provides a water pump connecting piece sealing structure. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a water pump connecting piece sealing structure, which solves the problem of thermal expansion and contraction causing sealing gaps in the sealing combination of the existing water pump and engine and the use of sealing gaskets.

[0006] The water pump connecting piece sealing structure of the utility model, comprising an engine for vehicle power, a water pump arranged at one end of the engine, and a sealing ring installed between the water pump and the engine;

[0007] One end of the engine is connected to the water pump by a fastener, the water pump comprises a body, a sealing shell is arranged on the outer side of the body, and sealing glue is filled between the sealing shell and the engine;

[0008] The sealing ring comprises a ring body, one or more positioning holes are arranged on the ring body, and the positioning holes are connected to the sealing shell of the water pump and the engine by a fastener.

[0009] As a further improvement of the utility model, a water passage is formed in the middle of the inner side of the ring body, and a sealing strip is arranged between the ring body and the water passage.

[0010] As a further improvement of the utility model, an inner layer is arranged on the inner side of the sealing strip, one or more hollow air holes are arranged on the inner layer, and the air holes are in contact with the sealing glue.

[0011] As a further improvement of the utility model, the outer side of the sealing strip is obliquely arranged at a preset angle at the ring body, for forming a sealing structure with the sealing glue.

[0012] As a further improvement of the utility model, a groove is arranged in the middle of the ring body, and the groove is fixed with the sealing strip glue.

[0013] As a further improvement of the utility model, a circular arc transition is arranged on the outer side of the ring body, which is attached to the connection between the engine and the water pump.

[0014] As a further improvement of the utility model, an arc-shaped transition is arranged on the outer side of the sealing strip, for cooperating with the water passage, and filling the connection gap between the engine and the water pump under the action of the fastener.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] The sealing ring and the sealing strip arranged in cooperation are arranged in the utility model, in use, the hollow inside is arranged, when contacting the sealing glue, the sealing strip and the rubber ring are contacted under the compression of the pressure, the contact area is larger, and better filling effect is formed after solidification, meanwhile, the sealing strip and the ring body are arranged at a preset angle on the outer side, after contacting the sealing glue, the inclined surface is contacted more, a better contact surface is formed, stable sealing measures are provided, and additional sealing structure is not needed, better sealing effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a three-dimensional structure schematic view of the engine and the water pump connection of the utility model;

[0019] Figure 2 It is a front view structure schematic view of the engine and the water pump connection of the utility model;

[0020] Figure 3 It is a three-dimensional structure schematic view of the sealing ring of the utility model;

[0021] Figure 4 It is a front view structure schematic view of the sealing ring of the utility model;

[0022] Figure 5 It is a three-dimensional structure schematic view of the sealing ring of the utility model; Figure 4 It is a sectional structure schematic view of A-A of the utility model.

[0023] In the figure: 1, engine; 2, water pump; 3, sealing ring;

[0024] 21, sealing shell; 22, body;

[0025] 31, ring body; 32, sealing strip; 33, positioning hole; 34, water passage; 35, inner layer. DETAILED DESCRIPTION

[0026] The following will disclose several embodiments of the present application with figures, and for the purpose of clear illustration, many details of the embodiments will be described in the following description. However, it should be understood that these details of the embodiments should not be used to limit the present application. That is, in some embodiments of the present application, these details of the embodiments are unnecessary. In addition, for the purpose of simplifying the figures, some conventional structures and components will be drawn in a simple schematic manner in the figures.

[0027] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0028] Please refer to Figures 1-5 The main purpose of connecting the passenger car engine 1 with the water pump 2 is to cool the engine 1.

[0029] The engine 1 will generate a large amount of heat during operation, and if it cannot be cooled in time, it will cause the engine 1 to overheat, affect the performance and even cause damage. The water pump 2 circulates the coolant to help maintain the engine 1 within the ideal working temperature range, and appropriate cooling can prevent the engine 1 components from deforming or being damaged due to high temperature, thereby prolonging the service life of the engine 1.

[0030] When the water pump 2 and the engine 1 are installed on the production line of the factory, the sealing glue is generally filled, and the sealing gasket is used to realize the sealing connection of the water pump 2 and the engine 1, but after the connection is completed, the sealing gasket in the sealing structure is generally rubber, which is limited by thermal expansion and cold shrinkage. The sealing connection is prone to strain, and when connected by a fastener, the conventional sealing gasket is generally flat, and at this time, when installed by a fastener, the pressure is not balanced and a gap is prone to appear. Based on this, the present application provides a water pump 2 connecting piece sealing structure, which comprises an engine 1 for vehicle power and a water pump 2 arranged at one end of the engine 1, and a sealing ring 3 arranged between the water pump 2 and the engine 1;

[0031] One end of the engine 1 is connected with the water pump 2 through a fastener, and the water pump 2 comprises a body 22, a sealing shell 21 is arranged on the outer side of the body 22, and sealing glue is filled between the sealing shell 21 and the engine 1;

[0032] The sealing ring 3 comprises a ring body 31, and one or more positioning holes 33 are arranged at the ring body 31, and the positioning holes 33 are connected with the sealing shell 21 of the water pump 2 and the engine 1 through fasteners.

[0033] By using the combination of the sealant and the sealing ring 3, the small gaps between the water pump 2 and the engine 1 can be effectively filled, the overall sealing performance is enhanced, the leakage of the coolant is prevented, the positioning holes 33 on the sealing ring 3 enable the fasteners to uniformly distribute the torque, and the fixing effect of the sealing ring 3 and the stability of the overall installation are improved.

[0034] The filling of the sealant can alleviate the fatigue problem of the sealing gasket caused by thermal expansion and cold contraction, prolong the service life of the sealing ring 3, and compared with the traditional sealing structure, the combination of the sealing ring 3 and the sealant of the design simplifies the installation steps, reduces the addition of additional sealing structures, improves the installation efficiency, and through the combination of the porous design and the sealant, the contact area of the sealing ring 3 with the sealing shell 21 and the engine 1 is improved, and the reliability and durability of the sealing are enhanced.

[0035] A water passing channel 34 is arranged at the middle part of the inner side of the ring body 31, and a sealing strip 32 is arranged between the ring body 31 and the water passing channel 34.

[0036] An inner layer 35 is arranged at the inner side of the sealing strip 32, and one or more hollow air holes are arranged at the inner layer 35, and the air holes are in contact with the sealant.

[0037] The outer side of the sealing strip 32 is arranged at a preset angle at the ring body 31, and is used to form a sealing structure with the sealant.

[0038] The water passing channel 34 at the middle part of the inner side of the ring body 31 is used to guide the flow of the coolant, and ensures that the coolant can be effectively circulated, the inner side of the sealing strip 32 is provided with an inner layer 35, and one or more hollow air holes are arranged at the inner layer 35. These air holes are in contact with the sealant during installation, the adhesion effect of the sealing strip 32 and the sealant is enhanced through the pressure transmission of the air holes, and the outer side of the sealing strip 32 is arranged at a preset angle at the ring body 31. This design enables the sealing strip 32 to have a larger contact area with the sealant, and forms a more stable sealing structure.

[0039] Installation steps:

[0040] The water pump 2 is installed at one end of the engine 1, and the body 22 of the water pump 2 is aligned with the engine 1.

[0041] Then, the sealant is applied between the sealing shell 21 and the engine 1 to fill the possible small gaps.

[0042] Then, the sealing ring 3 is placed between the sealing shell 21 of the water pump 2 and the engine 1, ensuring that the water passage 34 is aligned and the inner layer 35 of the sealing strip 32 is in contact with the sealant.

[0043] At this time, the sealing ring 3, the water pump 2, and the engine 1 are tightly connected by using fasteners (such as screws or bolts) through the positioning holes 33.

[0044] During installation, it is necessary to ensure that the outer inclined part of the sealing strip 32 correctly fits the ring body 31 and forms a sealing structure with the sealant.

[0045] By using the combination of the water passage 34 and the sealing strip 32, the sealing performance of the sealing ring 3 can be effectively enhanced. The outer inclined part of the sealing strip 32 increases the contact area with the sealant, forming a more stable sealing structure.

[0046] The hollow air holes of the inner layer 35 of the sealing strip 32 are designed to be in contact with the sealant during installation, enhancing the adhesion effect of the sealing strip 32 and the sealant through pressure transmission, further improving the reliability of the seal.

[0047] The design of the water passage 34 ensures smooth flow of the coolant, improving the efficiency of the cooling system.

[0048] Through the combination of the sealant filling and the sealing strip 32, the problem of seal pad fatigue caused by thermal expansion and contraction is effectively alleviated, prolonging the service life of the sealing ring 3.

[0049] Compared with traditional sealing structures, the combination of the sealing ring 3 and the sealant in this design simplifies the installation steps, reduces the addition of additional sealing structures, improves the installation efficiency, and through the combination of the porous design and the sealant, the contact area of the sealing ring 3 with the sealing shell 21 and the engine 1 is increased, enhancing the reliability and durability of the seal.

[0050] The middle part of the ring body 31 is provided with a recess, and the recess is fixed with the sealing strip 32 by glue.

[0051] The outer side of the ring body 31 is provided with a circular arc transition, which fits the connection between the engine 1 and the water pump 2.

[0052] The outer side of the sealing strip 32 is provided with an arc-shaped transition, which is used to cooperate with the water passage 34 and fill the connection gap between the engine 1 and the water pump 2 under the action of the fastener.

[0053] The middle part of the ring body 31 is provided with a recess, which is used to be fixed with the sealing strip 32 by glue. The glue fixing can enhance the fixing effect between the sealing strip 32 and the ring body 31, preventing the sealing strip 32 from moving or loosening during installation.

[0054] The outer side of the ring body 31 is provided with a circular arc transition, so that the connection of the ring body 31 with the engine 1 and the water pump 2 is more closely fitted, the gap at the connection is reduced, and the sealing effect is improved.

[0055] The outer side of the sealing strip 32 is provided with an arc-shaped transition, so that the sealing strip 32 can fill the connection gap of the engine 1 and the water pump 2 under the action of the fastener, and ensure that the sealing strip 32 is closely fitted with the connection.

[0056] By using the groove and the arc-shaped transition, the sealing performance of the sealing ring 3 can be effectively enhanced, the outer side of the sealing strip 32 is arc-shaped transition under the action of the fastener, which can fill the connection gap with pressure, ensure that the sealing strip 32 is closely fitted with the connection, and form a more stable sealing structure.

[0057] The glue filling mode at the groove enhances the fixing effect between the sealing strip 32 and the ring body 31, prevents the sealing strip 32 from moving or loosening during installation, and further improves the reliability of the sealing.

[0058] The circular arc transition design makes the connection of the ring body 31 with the engine 1 and the water pump 2 more closely fitted, reduces the gap at the connection, improves the sealing effect, and alleviates the problem of sealing gasket fatigue caused by thermal expansion and contraction through the filling and sealing of the sealing glue and the design of the sealing strip 32, prolongs the service life of the sealing ring 3, compared with the traditional sealing structure, the sealing ring 3 and the sealing glue combination of the present design simplifies the installation steps, reduces the addition of additional sealing structure, improves the installation efficiency, and through the combination of the porous design and the sealing glue, the contact area of the sealing ring 3 with the sealing shell 21 and the engine 1 is improved, the reliability and durability of the sealing are enhanced.

[0059] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the scope of the claims of the present application.

Claims

1. A water pump connecting piece sealing structure, comprising an engine (1) for vehicle power, a water pump (2) arranged at one end of the engine (1), and a sealing ring (3) installed between the water pump (2) and the engine (1); Characterized in that: One end of the engine (1) is connected with the water pump (2) through a fastener, the water pump (2) comprises a body (22), an outer side of the body (22) is provided with a sealing shell (21), and the sealing shell (21) is filled with sealing glue between the engine (1); The sealing ring (3) comprises a ring body (31), one or more positioning holes (33) are arranged at the ring body (31), and the positioning holes (33) are connected between the sealing shell (21) of the water pump (2) and the engine (1) through the fastener; A water passing channel (34) is arranged in the middle of the inner side of the ring body (31), and a sealing strip (32) is arranged between the ring body (31) and the water passing channel (34); An inner layer (35) is arranged on the inner side of the sealing strip (32), one or more hollow air holes are arranged at the inner layer (35), and the air holes are in contact with the sealing glue.

2. A water pump coupling seal as defined in claim 1 wherein: The outer side of the sealing strip (32) is arranged at the ring body (31) at a preset angle, so as to form a sealing structure with the sealing glue.

3. A water pump coupling seal as defined in claim 1 wherein: A groove is arranged in the middle of the ring body (31), and the groove is fixed with the sealing strip (32) by glue.

4. The water pump connector seal structure of claim 1, wherein: The outer side of the ring body (31) is provided with a circular arc transition, which is fitted with the connection between the engine (1) and the water pump (2).

5. A water pump coupling seal as defined in claim 1 wherein: The outer side of the sealing strip (32) is provided with an arc-shaped transition, which is used for cooperating with the water passing channel (34) and filling the connection gap between the engine (1) and the water pump (2) under the action of the fastener.

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