High-sealing end cover of engine

Abstract

The utility model discloses a high-sealing end cover of an engine, which relates to the technical field of end cover sealing and comprises an end cover body. The end cover body is integrally arranged; the section of the end cover body is convex; the end cover body comprises a shell; an upper connecting gasket is arranged at the top of the outer side of the shell, and a plurality of connecting holes are formed in the upper connecting gasket; a through shaft is arranged between the interior of the cavity and the upper connecting gasket; after installation is completed, the sealing ring at the bottom of the edge of the shell is effectively attached to the surface of an engine body, sealing installation of the engine body is achieved, and dust or water is prevented from entering the engine to affect the normal service life of the engine. After the engine is installed, the shell needs to be installed with the fixed installation part, in this way, during installation, effective installation is conducted through the upper connecting gasket on the upper portion of the shell, direct contact between the shell and installation equipment is prevented, and it is guaranteed that when the shell shakes, rigid collision between the shell and the engine is avoided.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of end cover sealing, in particular to a high-sealing end cover of an engine. Background Art

[0002] The end of the engine is an important part of the engine, mainly used to effectively install and fix one end of the engine cylinder to prevent the engine from transmitting kinetic energy outward normally when the engine is in use;

[0003] When sealing the end of a conventional engine, the sealing effect between the end cover and the rotating shaft inside the engine is poor. If the sealing effect is poor for a long time, rainwater or dust will enter the engine through the gap between the rotating shaft and the end cover, which will cause engine failure and affect the normal service life of the engine.

[0004] After searching, Chinese patent application number CN201921137527.3 discloses a high-sealing engine motor cover for new energy vehicles; it includes a cover plate, an axial hole is provided in the center of the cover plate, ear plates are circumferentially distributed on the outer side of the cover plate, mounting holes are provided on the ear plates, a fixing groove is provided on the cover plate, a boss is provided in the fixing groove, an accommodating groove is provided in the center of the boss, an axial hole is provided in the center of the accommodating groove, a sealing ring is provided in the accommodating groove, a pressure ring is provided on the boss, and the pressure ring limits the sealing ring in the accommodating groove.

[0005] When the cover plate in the above patent is installed to seal the end of the motor, it is fixed and installed by fastening bolts between the reinforcing ribs and the supporting ribs to achieve effective assembly, and then the sealing ring on one side of the cover plate and the end of the motor are matched. In this way, the sealing area is small. When the sealing rubber ring inside the sealing ring is severely worn during long-term use, the sealing effect cannot be achieved in an orderly manner. In addition, the fixing groove opened between the two adjacent reinforcing ribs in the above patent cannot achieve the sealing effect, which causes the end of the motor to be exposed to the air for a long time, which can easily cause the motor to be damaged due to poor sealing effect, and the normal service life of the motor cannot be effectively guaranteed.

[0006] In view of the above situation, we provide engine high-sealing end covers. During installation, one end of the hollow inner cavity of the shell is effectively installed and matched with the end of the engine. During installation, the positioning ring at the bottom of the through shaft is used to achieve accurate positioning with the engine, and the lower connecting gasket is used to effectively fix it with the engine. When fixing, a sealing rubber ring is installed between the engine and the sealing ring. In this way, the internal cavity is saved by sealing at the edge, and the sealing ring at the bottom edge of the shell is used to achieve sealing with the engine body, effectively ensuring the normal service life of the engine. Utility Model Content

[0007] The purpose of the utility model is to provide a high-sealing end cover of an engine, which is effectively fixed with the engine through a lower connecting gasket. When fixing, a sealing rubber ring is installed between the engine and the sealing ring. In this way, the internal cavity is saved by sealing at the edge, and the sealing between the engine body is achieved through the sealing ring at the bottom edge of the shell, effectively ensuring the normal service life of the engine, so as to solve the problems of the above-mentioned background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] An engine high-seal end cover comprises an end cover body; the end cover body is integrally arranged; and the cross section of the end cover body is convex; the end cover body comprises a shell; an upper connecting gasket is arranged on the top of the outer side of the shell, and a plurality of connecting holes are opened on the upper connecting gasket; the interior of the shell is arranged as a cavity; a through shaft is arranged between the interior of the cavity and the upper connecting gasket; the through shaft is integrally arranged with the inner wall of the shell top cover through a plurality of supporting ribs, and when the end cover body is installed, the upper connecting gasket arranged above the shell is effectively installed with the fixing device;

[0010] As a further technical solution of the utility model, a lower connecting washer is provided at the bottom of the through shaft, and the lower connecting washer has the same structural setting as the upper connecting washer and is symmetrically installed; a positioning ring is provided on the outer side of the lower connecting washer for facilitating the positioning of the engine body, and effective fixation with the engine is achieved through the lower connecting washer during installation with the engine.

[0011] As a further technical solution of the utility model, the positioning ring at the bottom of the through shaft is away from the lower connecting gasket and is also provided with a second sealing ring. A sealing rubber ring is arranged between the second sealing ring and the engine body. Before installation, the position of the engine is first corrected by the positioning ring. Before installation, it is also necessary to install a sealing rubber ring in the sealing ring to improve the sealing effect.

[0012] As a further technical solution of the utility model, a first sealing ring is provided at the bottom edge of the shell; the inner wall diameter of the first sealing ring is the same as the outer wall diameter of the shell, and the first sealing ring is used to achieve sealing between the shell and the engine body, effectively ensuring the normal service life of the engine.

[0013] As a further technical solution of the utility model, symmetrical ear plates are also provided at both ends of the shell; a buffer ring is movably installed in a hole opened at one end of the ear plate away from the shell, and the cross-section of the buffer ring is arranged in an I-shaped shape. When the shell is installed, the buffer rings arranged on the two ear plates have a buffering effect on the shell, thereby preventing a hard collision between the shell and the engine.

[0014] As a further technical solution of the utility model, the shell is provided with a plurality of reinforcing ribs on the surface of the upper part of the ear plate to enhance the strength of the shell.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model realizes connection with the engine through the bottom of the through shaft inside the shell cavity during installation. During installation, the position of the engine is first corrected through the positioning ring to prevent deviation during installation. After positioning, the sealing rubber ring is placed inside the sealing ring, which can achieve sealing effect and buffer effect.

[0017] After the installation is completed, the sealing ring at the bottom of the housing edge is effectively fitted with the surface of the engine body, thereby achieving a sealed installation between the engine bodies and preventing dust or water from entering the engine and affecting the normal service life of the engine.

[0018] According to the utility model, after the engine is installed, the housing needs to be installed with a fixed device, so that during installation, the upper connection gasket above the housing is effectively installed to prevent direct contact with the installation device, so as to ensure that when the housing shakes, no hard collision occurs with the engine;

[0019] The utility model, when the end cover body is finally fixed, is effectively installed through the ear plates arranged on both sides of the shell, and a buffer ring with an I-shaped cross-section is installed in the hole opened in the ear plate. In this way, after the installation is completed, the buffer ring can achieve an effective buffering effect when the end cover body and the engine shake, thereby ensuring the sealing between the shell and the engine, thereby ensuring the normal service life of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a bottom view of the overall structure of the utility model.

[0022] Figure 3 It is a top view of the overall structure of the utility model.

[0023] Figure 4 It is a sectional view of the overall structure of the utility model.

[0024] In the figure: 1-end cover body, 10-shell, 11-reinforcement rib, 12-upper connecting gasket, 13-ear plate, 14-buffer ring, 15-ring, 16-first sealing ring, 17-lower connecting gasket, 18-positioning ring, 19-second sealing ring, 110-support rib, 111-through shaft. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 In the embodiment of the utility model, the engine high-sealing end cover includes an end cover body 1; the end cover body 1 is integrally arranged as a whole; and the cross-section of the end cover body 1 is convex; the end cover body 1 includes a shell 10; an upper connecting gasket 12 is arranged on the top of the outer side of the shell 10, and a plurality of connecting holes are opened on the upper connecting gasket 12;.

[0027] More specifically, the interior of the shell 10 is arranged as a cavity; a through shaft 111 is arranged between the interior of the cavity and the upper connecting gasket 12; the through shaft 111 is integrally arranged with the inner wall of the top cover of the shell 10 through a plurality of support ribs 110.

[0028] By adopting the above technical solution, during installation, the connection between the engine and the through shaft 111 in the cavity of the housing 10 is realized through the bottom of the through shaft 111. During installation, the position of the engine is first corrected by the positioning ring 18 to prevent deviation during installation. After the positioning is completed, the sealing rubber ring is placed in the second sealing ring 16, which can achieve a sealing effect and also play a buffering effect.

[0029] A lower connecting washer 17 is disposed at the bottom of the through shaft 111. The lower connecting washer 17 has the same structure as the upper connecting washer 12 and is symmetrically installed. A positioning ring 18 is disposed on the outer side of the lower connecting washer 17 for facilitating the positioning of the engine body.

[0030] In this embodiment, the positioning ring 18 at the bottom of the through shaft 111 is further provided with a second sealing ring 16 away from the lower connecting gasket 17 , and a sealing rubber ring is provided between the second sealing ring 16 and the engine body.

[0031] By adopting the above technical solution, after the installation is completed, the first sealing ring 16 at the bottom edge of the housing 10 is effectively fitted with the surface of the engine body, thereby achieving a sealed installation between the engine bodies and preventing dust or water from entering the interior of the engine and affecting the normal service life of the engine.

[0032] In this embodiment, a first sealing ring 16 is disposed at the bottom edge of the housing 10 ; the inner wall diameter of the first sealing ring 16 is the same as the outer wall diameter of the housing 10 .

[0033] By adopting the above technical solution, dust is prevented from entering from the bottom edge of the housing 10 and the edge of the engine body.

[0034] In this embodiment, the housing 10 is provided with a plurality of reinforcing ribs 11 on the surface of the upper portion of the ear plate 13 .

[0035] By adopting the above technical solution, after the engine is installed, the housing 10 needs to be installed with a fixed installation. During installation, the upper connecting gasket 12 above the housing 10 is used for effective installation to prevent direct contact with the installation equipment. This ensures that when the housing 10 shakes, there will be no hard collision with the engine.

[0036] Furthermore, when the end cover body 1 is finally fixed, it is effectively installed through the ear plates 13 set on both sides of the shell 10, and a buffer ring 14 with an I-shaped cross-section is installed in the hole opened on the ear plate 13. After the installation is completed, the buffer ring 14 can achieve an effective buffering effect when the end cover body 1 and the engine shake, thereby ensuring the sealing between the shell 10 and the engine, thereby ensuring the normal service life of the engine.

[0037] The working principle of the utility model is: during installation, the connection between the engine and the through shaft 111 is realized through the bottom of the through shaft 111 in the cavity of the housing 10. During installation, the position of the engine is first corrected by the positioning ring 18 to prevent deviation during installation. After the positioning is completed, the sealing rubber ring is placed in the second sealing ring 16, which can achieve the sealing effect and also play a buffering effect.

[0038] After installation, the first sealing ring 16 at the bottom edge of the housing 10 is effectively fitted to the surface of the engine body, thereby achieving a sealed installation between the engine bodies and preventing dust or water from entering the engine and affecting the normal service life of the engine.

[0039] After the engine is installed, the housing 10 needs to be installed with a fixed device. During installation, the upper connection gasket 12 above the housing 10 is used for effective installation to prevent direct contact with the installation device. This ensures that when the housing 10 shakes, there will be no hard collision with the engine.

[0040] Finally, when the end cover body 1 is fixed, it is effectively installed through the ear plates 13 set on both sides of the shell 10. A buffer ring 14 with an I-shaped cross-section is installed in the hole opened on the ear plate 13. After the installation is completed, the buffer ring 14 can achieve an effective buffering effect when the end cover body 1 and the engine shake, thereby ensuring the sealing between the shell 10 and the engine, thereby ensuring the normal service life of the engine.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. High-seal end cover of the engine, characterized by: The invention comprises an end cover body (1); the end cover body (1) is integrally arranged as a whole; and the cross section of the end cover body (1) is convex; the end cover body (1) comprises a shell (10); an upper connecting washer (12) is arranged on the top of the outer side of the shell (10), and a plurality of connecting holes are opened on the upper connecting washer (12); the interior of the shell (10) is arranged in the form of a cavity; a through shaft (111) is arranged between the interior of the cavity and the upper connecting washer (12); the through shaft (111) is integrally arranged with the inner wall of the top cover of the shell (10) through a plurality of supporting ribs (110).

2. The engine high-seal end cover according to claim 1, characterized in that: A lower connecting washer (17) is arranged at the bottom of the through shaft (111), and the lower connecting washer (17) has the same structural arrangement as the upper connecting washer (12) and is symmetrically installed; a positioning ring (18) is arranged on the outer side of the lower connecting washer (17) for facilitating positioning of the engine body.

3. The engine high-seal end cover according to claim 1, characterized in that: The positioning ring (18) at the bottom of the through shaft (111) is further provided with a second sealing ring (19) away from the lower connecting gasket (17), and a sealing rubber ring is provided between the second sealing ring (19) and the engine body.

4. The engine high-seal end cover according to claim 3, characterized in that: A first sealing ring (16) is provided at the bottom edge of the shell (10); the inner wall diameter of the first sealing ring (16) is the same as the outer wall diameter of the shell (10).

5. The engine high-seal end cover according to claim 4, characterized in that: Symmetrical ear plates (13) are also provided at both ends of the shell (10); a buffer ring (14) is movably installed in a hole opened at one end of the ear plate (13) away from the shell (10), and the cross section of the buffer ring (14) is arranged in an I-shaped manner.

6. The engine high-seal end cover according to claim 1, characterized in that: The shell (10) is provided with a plurality of reinforcing ribs (11) on the surface of the upper portion of the ear plate (13).

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