Gasket assembly, engine assembly and vehicle

Abstract

The invention discloses a gasket assembly, an engine assembly and a vehicle, the gasket assembly comprises a gasket, a lining body, a sealing piece and a plugging piece, the gasket is provided with a first hole and a skirt edge, and the skirt edge is arranged on the peripheral side of the first hole; the lining body is assembled in the first hole, a clamping groove is formed in the peripheral side of the lining body, and the clamping groove is located in one axial side of the gasket; the sealing piece is assembled in the clamping groove and located on the inner side of the skirt edge, the sealing piece is provided with an inner cavity and an open hole, the open hole is communicated with the peripheral wall of the sealing piece and the inner cavity, and a lubricating medium is stored in the inner cavity; the plugging piece is used for plugging the hole, the plugging piece is connected with the skirt edge, and the plugging piece is driven by the skirt edge to release plugging of the hole when the skirt edge deforms, so that the lubricating medium flows out of the hole. The technical problems that in the prior art, a water pump gasket is locally abraded, and the sealing performance is seriously reduced are solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of sealing, and particularly relates to a gasket assembly for engine sealing, an engine assembly and a vehicle. BACKGROUND

[0002] The cooling system of an automobile engine is one of the core subsystems for ensuring the normal operation of the engine, and the water pump as a key functional component undertakes the important role of circulating coolant to regulate the temperature of the engine. In the prior art, in order to prevent coolant leakage, a special water pump gasket is usually arranged at the connecting interface between the engine water pump and the engine body to improve the sealing reliability. However, in actual use, the water pump gasket is subject to serious local wear and tear, the sealing performance is degraded, and the coolant is prone to leakage. SUMMARY

[0003] To solve the above technical problems, the present application provides a gasket assembly which can improve the situation that the overall sealing performance is degraded due to serious wear and tear of the gasket, avoid leakage of coolant and the like, ensure the overall cooling effect, and further ensure the cooling effect on the engine and the like.

[0004] The present application also provides an engine assembly comprising the above gasket assembly.

[0005] The present application also provides a vehicle comprising the above engine assembly.

[0006] The technical scheme adopted to achieve the purpose of the present application is as follows:

[0007] The gasket assembly of the present application comprises:

[0008] a gasket provided with a first hole and a skirt, the skirt being arranged on the outer circumferential side of the first hole;

[0009] a lining body assembled in the first hole, the outer circumferential side of the lining body being provided with a clamping groove, the clamping groove being located on one side of the gasket in the axial direction;

[0010] a sealing element assembled in the clamping groove and located on the inner side of the skirt, the sealing element being provided with an inner cavity and an opening, the opening being in communication with the outer circumferential wall of the sealing element and the inner cavity, and the inner cavity storing a lubricating medium;

[0011] a plugging element plugged at the opening, the plugging element being connected with the skirt, and the plugging element being driven by the skirt to unplug the opening when the skirt is deformed, so that the lubricating medium flows out of the opening.

[0012] In some embodiments, the skirt includes a flexible body connected to the main body of the gasket, the flexible body protruding from the main body of the gasket in the axial direction, the flexible body being deformable, and the flexible body being attached to the outer circumferential side of the sealing member and connected to the blocking member.

[0013] In some embodiments, the skirt includes a ring body fixed to the main body and located on the outer circumferential side of the first hole, the ring body protruding from one side of the main body in the axial direction, and the flexible body is fixed to the ring body.

[0014] In some embodiments, the ring body includes a first segment and a second segment connected in the circumferential direction of the ring body, the first segment being connected to the gasket in the axial direction, the second segment being spaced apart from the gasket in the axial direction, and the flexible body is provided on the first segment.

[0015] In some embodiments, the gasket is provided with a relief hole and a mounting hole for a fastener to pass through, and the second segment is arranged opposite to the relief hole or the mounting hole in the axial direction.

[0016] In some embodiments, the first segment and the second segment are both provided with a plurality of segments, and the plurality of first segments and the plurality of second segments are arranged alternately in the circumferential direction of the ring body.

[0017] In some embodiments, the ring body is made of metal, and the flexible body is made of rubber.

[0018] In some embodiments, the flexible body is provided with a hook portion, a hook groove is defined between the hook portion and the flexible body, and the blocking member is fitted into the hook groove and is hooked and fitted with the hook portion.

[0019] In some embodiments, the hook portion is located on the side of the hook groove away from the gasket in the axial direction.

[0020] In some embodiments, the cross section of the hook groove is triangular.

[0021] In some embodiments, the plurality of openings and the plurality of blocking members are provided, the plurality of openings are spaced apart along the circumferential direction of the sealing member, the plurality of blocking members are respectively fitted into the plurality of openings, and the plurality of blocking members are all connected to the skirt.

[0022] In some embodiments, the blocking member is adhesively fixed to the sealing member.

[0023] In some embodiments, the blocking member is a rubber block.

[0024] In some embodiments, the sealing member is annular, and the inner cavity is provided with a circumference along the circumferential direction of the sealing member.

[0025] In some embodiments, the cross section of the inner cavity comprises a plurality of sharp corners, and the plurality of sharp corners are arranged at intervals along the circumference of the cross section of the inner cavity.

[0026] In some embodiments, the lubricating medium is a lubricant.

[0027] In some embodiments, the gasket has an inner side facing the impeller in the axial direction, and the skirt, the seal, and the blocking member are all arranged on the inner side of the gasket.

[0028] The engine assembly of the present application comprises a belt wheel, a wheel shaft, an impeller, a housing, and a gasket assembly as described in any of the above embodiments, the wheel shaft is connected between the belt wheel and the impeller, the housing and the gasket assembly are connected, the wheel shaft is rotatably arranged in the housing and the gasket assembly, and the gasket is provided with a second hole, and the wheel shaft is arranged in the second hole.

[0029] In some embodiments, the belt wheel is driven by a transmission belt, and in the circumferential direction, the position of the opening on the seal corresponds to the position of the part of the outer periphery of the belt wheel that is in contact with the transmission belt.

[0030] The vehicle of the present application comprises an engine assembly as described in any of the above embodiments.

[0031] As can be seen from the above embodiments, the gasket assembly, the engine assembly, and the vehicle of the present application can improve the situation that the overall sealing performance is reduced due to severe wear of the gasket, avoid leakage of coolant and the like, ensure the overall cooling effect, and further ensure the cooling effect on the engine and the like. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 FIG. 1 is an exploded schematic view of a gasket assembly according to an embodiment of the present application.

[0033] Figure 2 FIG. 2 is a schematic view of the overall structure of the gasket assembly according to an embodiment of the present application after assembly.

[0034] Figure 3 FIG. 3 is a schematic view of the structure of the gasket of the gasket assembly according to an embodiment of the present application.

[0035] Figure 4 FIG. 4 is a schematic view of the structure of the gasket of the gasket assembly according to an embodiment of the present application. Figure 3 FIG. 5 is a partial enlarged view of position A in FIG. 4.

[0036] Figure 5 FIG. 6 is a schematic view of part of the structure of the seal according to an embodiment of the present application.

[0037] Figure 6 FIG. 7 is an exploded schematic view of part of the structure of the engine assembly according to an embodiment of the present application.

[0038] Figure 7 Fig. 1 is a perspective view of a front side of an assembled middle part. Figure 6 Fig. 2 is a perspective view of a rear side of an assembled middle part.

[0039] Figure 8 Fig. 3 is a perspective view of a front side of an assembled middle part. Figure 6 Fig. 4 is a perspective view of a rear side of an assembled middle part.

[0040] BRIEF DESCRIPTION OF DRAWINGS

[0041] 1 - gasket; 10 - main body; 11 - first hole; 12 - skirt; 121 - ring body; 1211 - first section; 1212 - second section; 122 - flexible body; 1221 - hook portion; 1222 - hook groove; 13 - mounting hole; 14 - avoiding hole;

[0042] 2 - lining body; 21 - second hole; 22 - clamping groove;

[0043] 3 - sealing member; 31 - inner cavity; 311 - sharp corner; 32 - opening;

[0044] 4 - plugging member;

[0045] 100 - gasket assembly; 200 - pulley; 300 - wheel shaft; 400 - impeller; 500 - shell. DETAILED DESCRIPTION

[0046] In order to make the skilled person in the art to which the present application belongs more clearly understand the present application, the technical solutions of the present application will be described in detail below with specific embodiments in combination with the accompanying drawings.

[0047] The technical solutions of the present application are made by the inventors based on the following facts and problems:

[0048] The traditional engine water pump is usually made of cast iron or aluminum alloy. The water pump is connected with the crankshaft of the engine through a belt to realize the rotary driving of the impeller of the water pump. The rotating impeller can force the cooling liquid to circulate between the engine cylinder and the radiator, so as to realize the cooling of the engine and prevent the problem of overheating of the engine.

[0049] At the connecting interface between the engine water pump and the engine body, a special water pump gasket is usually arranged to improve the sealing reliability and prevent the leakage of cooling liquid. However, since the engine water pump is usually only subjected to the force provided in one direction by the timing belt when it is in operation, a part of the water pump shell is subjected to a relatively large stress. When this stress acts on the connecting bolts and the water pump gasket through the water pump shell for a long time, a part of the sealing ring of the water pump gasket is abraded (the abrasion between the sealing ring and the engine shell) too fast under the action of the pressure difference, thereby causing the overall sealing performance to decrease and the problem of cooling liquid leakage.

[0050] Based on the above problems and understandings, the application provides a gasket assembly.

[0051] As shown in Figure 1 , the gasket assembly 100 of the application comprises a gasket 1, a backing body 2, a sealing member 3 and a blocking member 4.

[0052] The gasket 1 is provided with a first hole 11 and a skirt 12, which is arranged on the outer peripheral side of the first hole 11. For example, as shown in Figure 1 , the gasket 1 can be made of metal, and the gasket 1 as a whole can have a ring structure, the first hole 11 can be a circular hole, and the first hole 11 can penetrate through the gasket 1 along the thickness direction of the gasket 1.

[0053] The material of the skirt 12 can be the same as or different from that of the gasket 1, and when the material of the skirt 12 is the same as that of the gasket 1, the skirt 12 can be integrally formed on the gasket 1. The skirt 12 can be a raised edge in one section or one circle, and the skirt 12 can be arranged on the front side of the gasket 1 and can surround the outer peripheral side of the first hole 11, that is, the skirt 12 can be arranged extending along the hole edge of the first hole 11.

[0054] It should be noted that the various directions in the application can be the various directions corresponding to the gasket assembly 100 after actual installation, wherein the axial direction (thickness direction) of the gasket 1 can be the front-rear direction, the upper side from back to front, the lower side from back to front, the left side from back to front, and the right side from back to front.

[0055] The backing body 2 is assembled in the first hole 11, and the outer peripheral side of the backing body 2 is provided with a clamping groove 22 located on one side of the axial direction of the gasket 1. The backing body 2 is provided with a second hole 21 for the wheel shaft 300 to pass through.

[0056] For example, as shown in Figure 1 and Figure 2 , the material of the backing body 2 can be metal, and the backing body 2 as a whole can have a circular ring structure, and the backing body 2 can be fixed in the first hole 11 of the gasket 1 by welding. In other embodiments, the material of the backing body 2 and the gasket 1 can also be the same, and at this time, the backing body 2 can also be integrally formed with the gasket 1, for example, the backing body 2 and the gasket 1 can be integrally machined and formed by casting or the like.

[0057] The outer peripheral side of the backing body 2 can be provided with a clamping groove 22, which can be a circular ring groove, that is, the clamping groove 22 can extend closed in one circle along the circumferential direction of the backing body 2, and the slot of the clamping groove 22 can be located on the outer peripheral wall of the backing body 2. After the backing body 2 is fixed in the first hole 11 of the gasket 1, the clamping groove 22 and the gasket 1 can be arranged in the front-rear direction, for example, the clamping groove 22 as a whole can be located on the front side of the gasket 1.

[0058] The inner hole of the lining body 2 is a second hole 21, which can be a circular hole. When the lining body 2 is fixed in the first hole 11, the second hole 21 can be used to pass a shaft 300 of a pump wheel of a water pump, thereby meeting the assembly requirement of arranging the shaft 300.

[0059] The sealing member 3 is assembled in the clamping groove 22 and located at the inner side of the skirt 12. The sealing member 3 is provided with an inner cavity 31 and an opening 32. The opening 32 is connected between the outer peripheral wall of the sealing member 3 and the inner cavity 31. The inner cavity 31 stores a lubricating medium.

[0060] For example, as shown in Figure 1 , the sealing member 3 can be a sealing ring, specifically a rubber sealing ring. When the lining body 2 is fixed on the gasket 1, the sealing member 3 can be assembled in the clamping groove 22 of the lining body 2. The outer diameter of the sealing member 3 can be equal to the outer diameter of the lining body 2. Thus, the sealing member 3 can be exposed from the slot of the clamping groove 22. When the gasket assembly 100 is fixed on the engine housing, the sealing member 3 can be tightly attached to the housing, thereby achieving circumferential sealing.

[0061] As shown in Figure 2 , when the sealing member 3 is assembled in the clamping groove 22, the skirt 12 can be located at the outer peripheral side of the sealing member 3. The skirt 12 can be tightly attached to a part of the surface of the sealing member 3, thereby enhancing the stability of the positioning and assembly of the sealing member 3.

[0062] As shown in Figure 1 , the sealing member 3 can have a hollow structure. The inner cavity of the sealing member 3 is the inner cavity 31. During processing, the inner cavity 31 can be filled with a lubricating medium such as a lubricant. In other embodiments, the lubricating medium can also be a lubricating grease or the like. The outer surface of the sealing member 3 is further provided with an opening 32. The opening 32 can be arranged along the radial direction of the sealing member 3. The inner end of the opening 32 in the radial direction of the sealing member 3 can be in communication with the inner cavity 31, and the outer end of the opening 32 can be located on the outer surface of the sealing member 3.

[0063] Optionally, the opening 32 can be a long hole, for example, the opening 32 can be arranged along the circumferential direction of the sealing member 3. In other embodiments, the opening 32 can also be a circular hole, a square hole or the like.

[0064] The plugging member 4 is plugged at the opening 32. The plugging member 4 is connected to the skirt 12. When the skirt 12 is deformed, the plugging member 4 is driven by the skirt 12 to release the plugging of the opening 32, so that the lubricating medium flows out of the opening 32.

[0065] For example, the blocking member 4 can be a rubber block or the like, and can be fixed to the sealing member 3 by adhesion, and can seal the outer opening of the opening 32, so as to avoid the lubricating medium in the inner cavity 31 from flowing out at will. In other embodiments, the blocking member 4 can also be made of rubber or other materials, and can be interference-fitted in the opening 32 and seal the opening 32. The outer end of the blocking member 4 can be connected and fixed to the skirt 12, and the connection and fixing can be by hooking, adhesion, or one-piece forming.

[0066] In use, when the gasket 1 is deformed under the action of the transmission belt or the like, at this time, the skirt 12 is deformed, and due to the deformation of the skirt 12, the skirt 12 can pull or hook the blocking member 4 outward, so as to pull out the blocking member 4 from the corresponding opening 32 or cut off the connection between the blocking member 4 and the sealing member 3.

[0067] Since the sealing member 3 itself has a press-fitting force when installed, at this time, the lubricating medium in the inner cavity 31 of the sealing member 3 can flow out from the opening 32, and the flowing-out lubricating medium can flow to the sealing member 3 and the engine housing, so as to avoid the dry friction between the sealing member 3 and the housing, enhance the lubrication between the two, and delay the local wear of the sealing member 3.

[0068] Secondly, when the sealing member 3 and the housing are rubbed, the lubricating medium filled therebetween can also play a role in heat dissipation and cooling, so as to achieve heat management of the local structure of the engine to a certain extent, which is beneficial to inhibit the local temperature rise.

[0069] In addition, due to the action of the force generated by the transmission belt, in actual use, the left half of the sealing member 3 can tend to be pressed tightly, i.e., pressed tightly against the housing of the engine. The right half of the sealing member 3 can have a tendency to move away from the housing. Since the lubricating medium is filled between the right half of the sealing member 3 and the housing, the sealing performance of the right half of the sealing member 3 is ensured, and thus the entire sealing member 3 has good sealing effect in the entire circumferential direction.

[0070] In some embodiments, the skirt 12 includes a ring body 121 and a flexible body 122, the ring body 121 is fixed to the gasket 1 and located at the outer circumferential side of the first hole 11, the flexible body 122 is arranged on the ring body 121, the flexible body 122 protrudes axially from the ring body 121, the flexible body 122 is deformable, and the flexible body 122 is attached to the outer circumferential side of the sealing member 3 and connected to the blocking member 4.

[0071] For example, as shown in FIG. 6, the flexible body 122 can be a flexible strip, and the flexible strip can be connected to the ring body 121 by hooking or adhesion. Figure 1As shown, the gasket 1 can include a main body 10, which is the main part of the gasket 1, and the ring body 121 can be a circular ring structure, and the material of the ring body 121 can be the same as that of the gasket 1, for example, the material of the ring body 121 can be metal, at this time, the ring body 121 can be integrally formed on the main body 10 of the gasket 1, and the ring body 121 can extend along the circumference of the first hole 11 to close a circle. The ring body 121 is located on one side of the gasket 1 as a whole, specifically, the ring body 121 can protrude to the front side of the gasket 1 in the axial direction of the gasket 1. In other embodiments, the ring body 121 can also be connected and fixed with the gasket 1 by welding.

[0072] The ring body 121 can enclose the outer circumferential side of the sealing element 3 in use, so as to achieve the circumferential limiting and fixing of the sealing element 3, and ensure the structural stability of the assembly of the sealing element 3. Secondly, the ring body 121 can also increase the axial width dimension of the gasket 1, and during installation, the liner 2 can be welded and fixed with the ring body 121, so as to improve the convenience of fixing the liner 2 and the gasket 1.

[0073] The material of the flexible body 122 can be flexible materials such as rubber and silicone, and the flexible body 122 can be a long strip as a whole, and the flexible body 122 can be connected and fixed with the ring body 121 and arranged along a part of the ring body 121. In the front-rear direction, the flexible body 122 as a whole protrudes from the front side of the ring body 121. In other embodiments, when the ring body 121 is not provided on the gasket 1, the flexible body 122 can be directly connected with the main body 10 of the gasket 1.

[0074] The flexible body 122 can be provided with some connecting structures, and the flexible body 122 can be connected with the above-mentioned plugging element 4 through the connecting structures, so as to meet the subsequent use needs of driving the plugging element 4 to move or deform. In other embodiments, the flexible body 122 can also be directly connected and fixed with the plugging element 4.

[0075] The flexible body 122 has good flexible deformation performance, so as to fully meet the use needs of driving the plugging element 4 to move or deform through deformation, and thus ensure the effectiveness of removing the plugging of the opening 32 by the plugging element 4.

[0076] Secondly, the flexible body 122 can be simultaneously fitted between the gasket 1 and the engine shell, so that the flexible body 122 can realize a layer of sealing effect while realizing sealing through the sealing element 3, which is equivalent to adding a layer of sealing, thereby further avoiding the problem of sealing failure due to local wear or deformation of the sealing structure.

[0077] Optionally, the cross section of the flexible body 122 can be arc-shaped, and the flexible body 122 as a whole can be attached to the outer wall surface of the sealing member 3 after assembly, so as to enhance the fit of the flexible body 122 and the outer shape of the sealing member 3, ensure the close attachment of the two, and improve the structural compactness of the assembly.

[0078] In some embodiments, the ring body 121 includes a first segment 1211 connected to the gasket 1 in the axial direction and a second segment 1212 arranged in the axial direction and spaced from the gasket 1, and the flexible body 122 is arranged at the first segment 1211.

[0079] For example, as shown in FIG. 3, the first segment 1211 and the second segment 1212 can each be provided with two, and the two first segments 1211 and the two second segments 1212 can be arranged alternately and connected in the circumferential direction of the ring body 121. The two first segments 1211 can be arranged opposite to each other in the left-right direction, and the two second segments 1212 can be arranged opposite to each other in the up-down direction. The axial direction of the ring body 121 can be the front-rear direction, and the two first segments 1211 can be attached and fixed to the front side of the gasket 1, and the two second segments 1212 can be raised towards the front side of the gasket 1 and arranged in the spaced manner. Figure 3

[0080] For example, as shown in FIG. 3, the first segment 1211 and the second segment 1212 can each be provided with two, and the two first segments 1211 and the two second segments 1212 can be arranged alternately and connected in the circumferential direction of the ring body 121. The two first segments 1211 can be arranged opposite to each other in the left-right direction, and the two second segments 1212 can be arranged opposite to each other in the up-down direction. The axial direction of the ring body 121 can be the front-rear direction, and the two first segments 1211 can be attached and fixed to the front side of the gasket 1, and the two second segments 1212 can be raised towards the front side of the gasket 1 and arranged in the spaced manner.

[0081] Since the second segment 1212 is not connected to the gasket 1, the ring body 121 is more likely to deform at the second segment 1212, and thus when the first segment 1211 on the front side is bent and deformed to the left rear under the action of the transmission belt or the like, the two second segments 1212 tend to be straightened or flattened, thereby fully meeting the use needs of the deformation of the ring body 121, and further ensuring the effectiveness of driving the sealing member 4 to move or deform to unblock the opening 32.

[0082] Secondly, when the ring body 121 is not integrally formed with the gasket 1, the second segment 1212 can also compensate for the machining error, i.e., when the overall size of the ring body 121 is large, the bending of the second segment 1212 can reduce the radial size of the ring body 121, so that the radial size of the ring body 121 can be adapted to the hole diameter of the first hole 11.

[0083] In some embodiments, the gasket 1 is provided with an avoiding hole 14 and a mounting hole 13 for the fastener to pass through, and the second segment 1212 is arranged opposite to the avoiding hole 14 or the mounting hole 13 in the axial direction. For example, as shown in FIG. 3, the gasket 1 is provided with two avoiding holes 14 and two mounting holes 13, and the two second segments 1212 are arranged opposite to the two avoiding holes 14 or the two mounting holes 13 in the axial direction. Figure 3 ​As shown, the fastener can be a bolt, and the gasket 1 can be provided with three mounting holes 13, which can be arranged at intervals along the circumference of the gasket 1. In assembly, the mounting holes 13 can be passed through the corresponding fasteners, thereby facilitating the connection and fixation of the gasket 1 and the engine casing.

[0084] As shown, the fastener can be a bolt, and the gasket 1 can be provided with three mounting holes 13, which can be arranged at intervals along the circumference of the gasket 1. In assembly, the mounting holes 13 can be passed through the corresponding fasteners, thereby facilitating the connection and fixation of the gasket 1 and the engine casing. Figure 3 As shown, the fastener can be a bolt, and the gasket 1 can be provided with three mounting holes 13, which can be arranged at intervals along the circumference of the gasket 1. In assembly, the mounting holes 13 can be passed through the corresponding fasteners, thereby facilitating the connection and fixation of the gasket 1 and the engine casing.

[0085] One of the two second segments 1212 can be arranged in the front-rear direction opposite to one mounting hole 13, as shown in detail. Figure 4 The other of the two second segments 1212 can be arranged in the front-rear direction opposite to the avoidance hole 14, as shown in detail. Figure 3 Thus, the arrangement of the second segment 1212 is facilitated, and the condition that the second segment 1212 needs to protrude too much from the front side of the gasket 1 to avoid contact with the gasket 1 is avoided.

[0086] In some embodiments, the flexible body 122 is provided with a hook portion 1221, and a hook groove 1222 is defined between the hook portion 1221 and the flexible body 122, and the closure member 4 is fitted in the hook groove 1222 and is hooked with the hook portion 1221. For example, as shown in detail. Figure 4 The hook portion 1221 can be integrally formed on the flexible body 122, and the hook portion 1221 as a whole can be in a strip shape and can be arranged extending along the extension direction of the flexible body 122, and the hook portion 1221 can be arranged on the right side of the flexible body 122 and protrude to the right side of the flexible body 122. The hook groove 1222 can be defined between the hook portion 1221 and the flexible body 122, and the hook groove 1222 is a long groove and can be arranged extending along the extension direction of the flexible body 122.

[0087] In assembly, the outer end of the closure member 4 away from the sealing member 3 can be fitted in the hook groove 1222, and when the flexible body 122 is deformed under the action of the ring body 121, the hook portion 1221 can be hooked with the closure member 4, so that the closure member 4 can be pulled out of the opening 32 and deformed by the hooking action of the hook portion 1221.

[0088] The arrangement of the hook groove 1222 can enhance the compactness of the structure of the assembly of the closure member 4 and the flexible body 122, and the arrangement of the hook portion 1221 facilitates the connection and fixation with the closure member 4, thereby ensuring the effectiveness of driving the closure member 4 to move or deform.

[0089] In some embodiments, the hook portion 1221 is located axially on the side of the hook groove 1222 away from the gasket 1. For example, the axial direction of the gasket assembly 100 is the front-rear direction, and in the front-rear direction, the hook groove 1222 can be located on the rear side of the hook portion 1221. Because in actual use, the flexible body 122 will swing in the left rear direction under the action of the transmission belt, the hook groove 1222 and the hook portion 1221 are arranged in this way, so that the hook portion 1221 can be closely matched with the blocking member 4, that is, the greater the deformation swing of the flexible body 122, the greater the force between the hook portion 1221 and the blocking member 4, thereby fully ensuring the effectiveness of driving the blocking member 4.

[0090] In some embodiments, the cross section of the hook groove 1222 is triangular. For example, as shown in Figure 4 the cross section of the hook groove 1222, that is, the cross section of the hook groove 1222 perpendicular to the front-rear direction, is triangular. Specifically, the included angle between the hook portion 1221 and the flexible body 122 can be an acute angle, thereby further improving the stability of the hooking cooperation between the hook portion 1221 and the blocking member 4.

[0091] In some embodiments, the gasket 3 has a plurality of openings 32, and the sealing member 4 has a plurality of blocking members 4. The plurality of openings 32 are arranged at intervals along the circumferential direction of the sealing member 3, and the plurality of blocking members 4 are respectively matched at the plurality of openings 32, and the plurality of blocking members 4 are connected to the skirt 12.

[0092] For example, as shown in Figure 5 the plurality of openings 32 can be arranged on the left half of the sealing member 3, and the plurality of openings 32 can be arranged at equal intervals along the circumferential direction of the sealing member 3. Corresponding to the number of openings 32, the sealing member 4 can also have a plurality of blocking members 4, and the plurality of blocking members 4 can be one-to-one correspondingly blocked and fixed at the plurality of openings 32, and each blocking member 4 can be connected to the flexible body 122 of the skirt 12, specifically, the hook portion 1221 of the flexible body 122.

[0093] In use, when the flexible body 122 deforms, the flexible body 122 can pull or drag the corresponding position of the blocking member 4, thereby releasing the corresponding opening 32, and the lubricating medium can flow out from the corresponding opening 32, thereby achieving lubrication at the corresponding position. In this way, the overall lubrication area can be increased, and the lubricating medium can also effectively lubricate the position with a larger deformation amount, so that the lubrication is more targeted and more targeted.

[0094] In some embodiments, the blocking member 4 is adhesively fixed to the sealing member 3. For example, the blocking member 4 can be adhesively fixed to the opening 32 of the sealing member 3 by an adhesive, and when the flexible body 122 deforms, the blocking member 4 can tear the adhesive at the sealing member 3, thereby releasing the blocking of the opening 32, and the adhesion can ensure the effectiveness of the blocking and sealing of the blocking member 4.

[0095] In some embodiments, the blocking member 4 is a glue block. For example, the blocking member 4 as a whole can be a sticky substance, by which the flexible body 122 and the sealing member 3 can be fixedly bonded, and the overall structural strength of the glue block can be relatively weak, thereby facilitating the unblocking of the opening 32 of the sealing member 3 under the deformation of the flexible body 122 and the pressure of the lubricating medium in the inner cavity 31.

[0096] In some embodiments, the sealing member 3 is annular, and the inner cavity 31 is arranged along the circumference of the sealing member 3. For example, as shown in Figure 5 the sealing member 3 as a whole can be a circular ring, and the inner cavity 31 as a whole can be an annular cavity. The inner cavity 31 can be coaxially arranged with the sealing member 3. On the one hand, this can make the sealing member 3 have substantially uniform structure and performance at each position in the circumferential direction, thereby ensuring the sealing performance at each position in the circumferential direction. On the other hand, this can also fully ensure the volume of the inner cavity 31, thereby playing a role in storing more lubricating medium and fully ensuring the long-term lubrication effect.

[0097] In some embodiments, the cross section of the inner cavity 31 includes a plurality of sharp corners 311, and the plurality of sharp corners 311 are arranged at intervals along the circumference of the cross section of the inner cavity 31. For example, as shown in Figure 5 the cross section of the inner cavity 31 can be a star-shaped structure, and the star-shaped structure has a plurality of sharp corners 311. The plurality of sharp corners 311 can be arranged at equal intervals along the circumference of the cross section of the inner cavity 31. Specifically, the cross section of the inner cavity 31 can be in the shape of a four-pointed star, a five-pointed star, a six-pointed star, a seven-pointed star, etc.

[0098] The design of the plurality of sharp corners 311 of the cross section of the inner cavity 31 can make the inner cavity 31 have a complex geometric shape, and the plurality of sharp corners 311 can form a plurality of support points or support surfaces inside the sealing member 3. These support points can uniformly disperse the stress of the sealing member 3 when it is under stress, thereby reducing the local deformation of the sealing member 3 and enhancing the structural strength of the sealing member 3, and further ensuring that the sealing member 3 can effectively support between the gasket 1 and the engine casing when it is extruded, thereby ensuring the effectiveness of the sealing.

[0099] In some embodiments, the gasket 1 has an inner side facing the pump wheel in the axial direction, and the skirt 12, the sealing member 3, and the blocking member 4 are all arranged on the inner side of the gasket 1. For example, as shown in Figure 1 the inner side of the gasket 1 can be the front side of the gasket 1, and the skirt 12, the sealing member 3, and the blocking member 4 can all be assembled on the front side of the gasket 1. In this way, when the gasket 1 is fixed to the engine casing, the skirt 12, the sealing member 3, and the blocking member 4 can be located between the gasket 1 and the casing, thereby enhancing the overall long-term sealing effect.

[0100] The engine assembly of the present application is described below.

[0101] The engine assembly of the present application comprises a belt wheel 200, an axle 300, an impeller 400, a housing 500 and the gasket assembly 100 as any of the above embodiments, the axle 300 is connected between the belt wheel 200 and the impeller 400, the housing 500 and the gasket assembly 100 are connected, and the axle 300 is rotatably assembled in the housing 500 and the gasket assembly 100.

[0102] For example, as shown in Figures 6 to 8 , the axle 300 can extend along the front-rear direction, the gasket assembly 100 can be fixed on the front side of the housing 500, the axle 300 can pass through the housing 500 and the gasket assembly 100 at the same time, and the axle 300 can be freely rotated relative to the housing 500 and the gasket assembly 100. The belt wheel 200 can be fixed on the rear end of the axle 300, and the impeller 400 can be fixed on the front end of the axle 300.

[0103] When assembled, the housing 500 and the gasket assembly 100 can be fixed on the engine shell by a plurality of bolts. The transmission belt can be wound around the outer circumferential side of the belt wheel 200. In use, the transmission belt can drive the axle 300 to rotate, and the rotating axle 300 can drive the impeller 400, and the rotating impeller 400 can drive the cooling liquid to circulate to the engine, thereby meeting the use needs of cooling the engine.

[0104] In some embodiments, the belt wheel 200 is driven by the transmission belt, and in the circumferential direction, the position of the opening 32 on the sealing member 3 corresponds to the position of the part of the outer circumferential side of the belt wheel 200 that is in contact with the transmission belt. That is, the axle 300 is driven by the transmission belt, the outer circumferential side of the axle 300 includes a contact part in contact with the transmission belt, and the flexible body 122 is arranged on the part of the ring body 121 opposite to the contact part in the axial direction.

[0105] For example, the axle 300 can extend along the front-rear direction, the rear end of the axle 300 can be connected with the belt wheel 200, the transmission belt is a belt and can be wound around the outer circumferential side of the belt wheel 200, and the left half part of the outer circumferential side of the belt wheel 200 can be in contact with the transmission belt and form the above-mentioned contact part.

[0106] In the front-rear direction, the flexible body 122 can be arranged opposite to the contact part, and specifically, at this time, as shown in Figure 3 , the flexible body 122 can be arranged on the semi-annular part of the left side of the ring body 121. Correspondingly, as shown in Figure 5 , the through hole on the sealing member 3 is also arranged on the left half part of the sealing member 3 at this time.

[0107] Therefore, the arrangement position of the flexible body 122 and the plugging piece 4 can be matched with the main wear position of the sealing piece 3 in the actual working condition, the setting position of the flexible body 122 and the plugging piece 4 is more targeted, and the local large wear condition is fully improved.

[0108] In other embodiments, the flexible body 122 can also be arranged along the ring body 121 for one more turns, and the plugging piece 4 and the opening 32 are also provided with multiple, and the multiple plugging pieces 4 and the multiple openings 32 are arranged along the circumferential direction of the ring body 121 and provided with one more turns. Therefore, the installation direction of the flexible body 122 does not need to be considered during installation, and the convenience of installation can be improved.

[0109] A specific example of the engine assembly of the application is described below.

[0110] The engine assembly of the application includes an engine, a casing, a pulley 200, an axle 300, an impeller 400 and a gasket assembly 100, and the assembly mode of these components can be the same as the assembly mode of the above-mentioned engine assembly.

[0111] Specifically, the casing 500 is fixedly connected with the gasket assembly 100 on one side through bolts, the gasket assembly 100 includes a gasket 1, the inner side of the gasket 1 is fixedly connected with a liner (a liner body 2) through welding, the outer side of the liner is provided with a clamping groove 22, and the inner side of the clamping groove 22 is provided with a sealing assembly, and the sealing assembly is fixedly connected with a rubber block through adhesion.

[0112] The gasket 1 includes a main body 10, the main body 10 is provided with a threaded hole, one side of the main body 10 is fixedly connected with a metal ring (a ring body 121), one side of the metal ring is fixedly connected with a rubber sheet (a flexible body 122), one side of the rubber sheet is provided with a triangular groove (a hook groove 1222), and the sealing assembly includes a rubber sealing ring (a sealing piece 3), the inner side of the rubber sealing ring is provided with an inner cavity 31, and one side of the rubber sealing ring is provided with an opening 32.

[0113] During installation, the sealing assembly is first clamped into the clamping groove 22, so that the sealing assembly and the liner form an integral whole, at this time, the rubber block is in the triangular groove provided on one side of the rubber sheet, and the rubber sheet is in contact with the outer side of the rubber sealing ring, then the bolts are used to pass through the casing 500 and the main body 10 at the same time, the device is fixed on the engine through the threaded hole provided on the main body 10, then the pulley 200 is rotated, the angle of the pulley 200 is adjusted, the timing belt (a transmission belt) can be better clamped, then the tension of the timing belt can be checked, and whether the rotation of the impeller 400 driven by the pulley 200 through the axle 300 is stable can be observed.

[0114] In use, when the timing belt drives the pulley 200 to rotate, a certain pressure is applied to the pulley 200, and the pulley 200 will transmit the pressure to the gasket assembly 100 through the shell 500. When the bolt arranged in the threaded hole on the inner side of the main body 10 creeps or tilts, a part of the metal ring will deform. On one hand, the deformed part of the metal ring generates greater pressure on the sealing assembly, and on the other hand, the metal ring plays a buffering role on the main body 10. At the same time, the rubber skin moves along with the deformation of the metal ring. The relative position of the triangular groove on one side of the rubber skin and the rubber block changes, and the hook part 1221 beside the triangular groove will hook the rubber block. At this time, the side of the rubber block which is not bonded to the rubber seal ring will deform or move and unseal the opening 32, so that the lubricant stored in the inner cavity 31 will overflow from the opening 32 and cover the part of the rubber seal ring under greater pressure, avoiding the rubber seal ring working in the case of dry friction or insufficient lubrication and slowing down the local wear.

[0115] The above-mentioned rubber skin can also play a wear-resistant role on the outside of the rubber seal ring, so that the sealing member 3 has an additional layer of sealing, which can effectively prevent the sealing structure from failing due to excessive wear in the local area.

[0116] When the metal ring deforms, the spring force generated by the metal ring on the main body 10 becomes greater as the deformation amount of the metal ring increases, thereby playing a buffering role. This dynamic compensation mechanism can effectively solve the difference in pre-tightening force of the gasket 1 caused by the creep or tilt of the bolt in the prior art.

[0117] The rubber seal ring and the rubber skin can be other materials with good ductility, and the inner cavity 31 on the inner side of the rubber seal ring can have an arbitrary polygonal star shape in vertical cross-section. The vertical cross-section of the polygonal star shape means that the inner cavity 31 has multiple edges, and the multiple edge inner cavity 31 can form multiple support points or support surfaces inside the rubber seal ring through its complex geometric shape. These support points can uniformly disperse the stress of the seal ring when it is under stress, thereby reducing local deformation.

[0118] In summary, the gasket assembly 100 in the device cooperatively improves the overall performance of the water pump gasket 1, so that the water pump gasket 1 is upgraded from a single sealing component to an important part of the thermal management system, i.e., heat dissipation and cooling can be achieved through the flowing lubricating medium, which plays a key role in improving engine efficiency and prolonging service life.

[0119] A vehicle according to an embodiment of the present application is described below.

[0120] The vehicle of the present application includes an engine assembly, which can be the engine assembly described in any of the above embodiments. The vehicle can be a car, an SUV, a bus, a truck, or other vehicle that needs to be installed with an engine assembly.

[0121] In the present application, unless specifically defined and limited otherwise, the "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "on", "above" and "over" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "under", "below" and "under" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0122] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0123] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative positional relationship, motion condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0124] In the present application, unless specifically defined and limited otherwise, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be internal communication of two elements or interaction relationship of two elements, unless specifically defined otherwise. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0125] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless specifically defined and limited otherwise.

[0126] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate different embodiments or examples described in the specification.

[0127] In addition, the technical solutions among various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0128] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A gasket assembly characterized by, The application relates to a gasket, which comprises: a gasket provided with a first hole and a skirt arranged at the outer periphery of the first hole; a lining body assembled in the first hole, the outer periphery of the lining body being provided with a clamping groove arranged at one side of the gasket in the axial direction; a sealing element assembled in the clamping groove and arranged at the inner side of the skirt, the sealing element being provided with an inner cavity and an opening, the opening being communicated with the outer peripheral wall of the sealing element and the inner cavity, and the inner cavity being used for storing lubricating medium; a blocking element blocked at the opening, the blocking element being connected with the skirt, and the blocking element being driven by the skirt to be disengaged from the opening when the skirt is deformed, so that the lubricating medium flows out of the opening.

2. The gasket assembly of claim 1, wherein, The skirt comprises a flexible body connected with the main body of the gasket, the flexible body protruding from the main body of the gasket in the axial direction, the flexible body being deformable, and the flexible body being connected with the blocking element and fitted on the outer periphery of the sealing element.

3. The gasket assembly of claim 2, wherein, The skirt comprises a ring body fixed to the main body and arranged at the outer periphery of the first hole, the ring body protruding from one side of the main body in the axial direction, and the flexible body being fixed to the ring body.

4. The gasket assembly of claim 3, wherein, The ring body comprises a first section and a second section connected in the circumferential direction of the ring body, the first section being connected with the gasket in the axial direction, the second section being arranged in the axial direction and spaced from the gasket, and the flexible body being arranged at the first section.

5. The gasket assembly of claim 4, wherein, The gasket is provided with an avoiding hole and a mounting hole for a fastener, and the second section is arranged opposite to the avoiding hole or the mounting hole in the axial direction. Furthermore, the first section and the second section are provided with a plurality of sections, and the plurality of first sections and the plurality of second sections are arranged alternately in the circumferential direction of the ring body. Furthermore, the ring body is made of metal, and the flexible body is made of rubber.

6. The gasket assembly of claim 2, wherein, The flexible body is provided with a hook portion, a hook groove is defined between the hook portion and the flexible body, and the blocking element is fitted in the hook groove and hooked with the hook portion.

7. The gasket assembly of claim 6, wherein, The hook portion is arranged at the side of the hook groove away from the gasket in the axial direction. Furthermore, the cross section of the hook groove is triangular.

8. The gasket assembly of claim 1, wherein, The opening and the blocking element are provided with a plurality of sections, the plurality of openings are arranged in the circumferential direction of the sealing element and spaced from each other, the plurality of blocking elements are respectively fitted in the plurality of openings, and the plurality of blocking elements are connected with the skirt. Furthermore, the blocking element is adhesively fixed with the sealing element. Furthermore, the blocking element is a glue block.

9. The gasket assembly of claim 1, wherein, The sealing element is annular, and the inner cavity is provided with a ring in the circumferential direction of the sealing element.

10. The gasket assembly of any of claims 1-9, wherein, The cross section of the inner cavity comprises a plurality of sharp corners, and the plurality of sharp corners are arranged in the circumferential direction of the cross section of the inner cavity and spaced from each other. Furthermore, the lubricating medium is lubricant. Furthermore, the gasket has an inner side facing the pump wheel in the axial direction, and the skirt, the sealing element and the blocking element are arranged at the inner side of the gasket.

11. An engine assembly characterized by, The wheel shaft is rotatably fitted in the housing and the gasket assembly, and the gasket is provided with a second hole in which the wheel shaft is fitted.

12. The engine assembly of claim 11, wherein, The wheel is driven by a transmission belt, and the position of the opening on the seal corresponds to the position of a portion of the outer periphery of the wheel that is in contact with the transmission belt in the circumferential direction.

13. A vehicle characterized by comprising: The engine assembly according to claim 11 or 12.

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