Multi-layer cylinder sealing gasket

Abstract

The utility model discloses a multilayer air cylinder sealing gasket which comprises an air cylinder sealing gasket body, a net-shaped reinforcing rib is installed in the center of the air cylinder sealing gasket body in an embedded mode, a reinforcing shell is arranged on the outer side of the air cylinder sealing gasket body, and the upper side and the lower side of the air cylinder sealing gasket body are each provided with a set of protection gaskets in an attached mode. A center plate is arranged in the center of the protection gasket, connecting rubber plates are installed on the two sides of the center plate in an adhering mode, and the outer side surface of the protection gasket is completely attached to the inner wall of the reinforcing shell. The net-shaped reinforcing ribs in the center of the air cylinder sealing gasket body can improve the use strength and use toughness of the air cylinder sealing gasket body, so that the air cylinder sealing gasket body is prevented from cracking in the use process, and meanwhile, the bending strength of the air cylinder sealing gasket body in the use process is improved; and the protective gaskets are attached to the upper surface and the lower surface of the cylinder sealing gasket body so that the cylinder sealing gasket body can be protected, and damage caused by collision and vibration in the using process of the cylinder sealing gasket body is weakened.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder sealing gaskets, in particular to a multi-layer cylinder sealing gasket. Background Art

[0002] Engine accessories include: cylinder block, crankcase, cylinder head, cylinder gasket, OHV, knock sensor, platinum spark plug, overhead camshaft, distributor, cylinder line, piston, spark plug, oil filter, throttle, thermostat, cooling system, fuel injector, balance shaft, starting system, valve, crank-connecting rod mechanism, crankshaft, lubrication system, intercooler, etc.; With the rapid development of the domestic automobile industry, consumers pay more attention to the engine power and performance of automobile parts; The traditional cylinder gasket corrugation is a single-layer structure, although it has high strength, it has low durability and is easy to crack.

[0003] The Chinese utility model patent with publication number CN 216642303 U discloses a cylinder gasket structure, including a gasket body, which is installed between the joint surface of the cylinder block and the cylinder head, and is used to compress the water channel and oil channel on the joint surface of the cylinder block and the cylinder head by the clamping force of the cylinder head bolts. The gasket body includes a gasket upper piece and a gasket lower piece, and the gasket upper piece and the gasket lower piece are connected by rivets. The technical key points are as follows: the utility model is a cylinder gasket structure, and the cylinder gasket structure is optimized to solve the problem that the cylinder gasket has high corrugation strength but low durability and is easy to crack. On the premise of ensuring normal sealing, the half-corrugation height is reduced to 0.22mm, the half-corrugation slope is slowed down, the corrugation strength is effectively reduced, the corrugation force is increased, the corrugation life of the cylinder gasket is extended, and the risk of cylinder gasket leakage is avoided.

[0004] The sealing gasket in the above-mentioned public documents is still a single-layer structure with a single protection range, and the service life of the sealing gasket cannot be improved from multiple angles. The sealing gasket will still be damaged during long-term use, so a multi-layer cylinder sealing gasket is now needed. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-layer cylinder gasket, which improves the overall strength and service life of the cylinder gasket body by fitting two sets of protective gaskets on the upper and lower sides of the cylinder gasket body, so as to solve the technical problems mentioned in the background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a multi-layer cylinder gasket, comprising a cylinder gasket body, a mesh reinforcement rib is embedded in the center of the cylinder gasket body, a reinforcement shell is arranged on the outside of the cylinder gasket body, and a group of protective gaskets are respectively fitted on the upper and lower sides of the cylinder gasket body;

[0007] The center of the protective gasket is a central plate, and connecting rubber plates are glued and installed on both sides of the central plate. The outer surface of the protective gasket is completely fitted to the inner wall of the reinforced shell for installation, and the upper and lower groups of the protective gaskets are plugged and installed.

[0008] Preferably, a plurality of groups of pipeline insertion holes are provided through the middle of the cylinder gasket body, and a plurality of groups of positioning insertion holes are provided around the pipeline.

[0009] Preferably, the cylinder gasket body is provided with annular sealing grooves on the upper and lower surfaces corresponding to each group of pipeline jacks, the cylinder gasket body is provided with connecting annular grooves on the surface corresponding to each group of positioning jacks, and four groups of locking ear plates are symmetrically fixedly installed on the outside of the reinforced shell.

[0010] Preferably, the protective gasket is provided with corresponding holes at positions corresponding to the pipeline socket and the positioning socket opened on the cylinder gasket body, a reinforcing sleeve is embedded and installed inside the corresponding pipeline socket of the protective gasket, and a protective sleeve is adhesively installed on the inner wall of the reinforcing sleeve.

[0011] Preferably, connecting rubber rings are embedded and installed at the upper and lower sides of the upper protective gasket corresponding to the positioning holes, and a positioning tube is embedded and installed at the positioning hole of the upper protective gasket.

[0012] Preferably, a connecting socket is fixedly installed on the lower side of the protective gasket corresponding to the protective inserting tube position, and a positioning socket is fixedly installed on the lower side of the protective gasket corresponding to the positioning inserting tube position, and the connecting socket and the positioning socket are sealed and plugged together.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The mesh reinforcement ribs in the center of the cylinder gasket body can improve the strength and usability of the cylinder gasket body to avoid cracking of the cylinder gasket body during use, and at the same time improve the strength of the cylinder gasket body when bent during use; the upper and lower surfaces of the cylinder gasket body are fitted with protective gaskets to protect the cylinder gasket body and reduce the damage caused by collision and vibration during the use of the cylinder gasket body; at the same time, the protective gaskets on each side can be removed and replaced to further reduce the loss in the later maintenance process and reduce the cost of use; the protective plugs and connecting sockets, and the positioning plugs and positioning sockets corresponding to the upper and lower protective gaskets are plugged in to improve the connectivity between the cylinder gasket body and the upper and lower protective gaskets, thereby further improving the overall service life and strength of use of the cylinder gasket. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2This is a schematic diagram of the installation structure of the protective gasket of the utility model;

[0017] Figure 3 This is a schematic diagram of the cutaway structure of the cylinder gasket body of the utility model;

[0018] Figure 4 This is a cross-sectional structural view of the protective gasket of the utility model.

[0019] In the figure: 1. Cylinder gasket body; 2. Annular sealing groove; 3. Connecting annular groove; 4. Locking ear plate; 5. Mesh reinforcement rib; 6. Reinforced shell; 7. Protective gasket; 8. Center plate; 9. Connecting rubber plate; 10. Connecting rubber ring; 11. Sealing rubber ring; 12. Reinforced sleeve; 13. Protective insert; 14. Positioning insert; 15. Connecting socket; 16. Positioning socket DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] 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.

[0022] The utility model provides: a multi-layer cylinder sealing gasket, such as Figure 1-Figure 4 As shown, it includes a cylinder gasket body 1, a mesh reinforcement rib 5 is embedded in the center of the cylinder gasket body 1, a reinforcement shell 6 is arranged on the outside of the cylinder gasket body 1, and a group of protective gaskets 7 are respectively installed on the upper and lower sides of the cylinder gasket body 1; the center of the protective gasket 7 is a center plate 8, and connecting rubber plates 9 are glued and installed on both sides of the center plate 8, the outer surface of the protective gasket 7 is completely installed in contact with the inner wall of the reinforcement shell 6, and the upper and lower groups of protective gaskets 7 are plugged and installed.

[0023] Preferably, a plurality of groups of pipeline jacks are opened through the middle of the cylinder gasket body 1, and a plurality of groups of positioning jacks are opened around the pipelines. The cylinder gasket body 1 is penetrated by the stuck pipeline jacks and positioning jacks to ensure that the device can be stably used with the cylinder. At the same time, the connectivity between the cylinder gasket body 1 and the upper and lower groups of protective gaskets 7 is improved through the coordination between the positioning jacks. At the same time, the connectivity between the two groups of protective gaskets 7 can also be improved, thereby ensuring the coordination between the multi-layer gaskets to the greatest extent, so that the protective gasket 7 can better protect the cylinder gasket body 1. The mesh reinforcement ribs 5 embedded in the cylinder gasket body 1 can greatly improve the strength and flexibility of the cylinder gasket body 1, thereby avoiding the problem of collapse of the cylinder gasket body 1 during use.

[0024] Furthermore, annular sealing grooves 2 are provided on the upper and lower surfaces of the cylinder gasket body 1 corresponding to each group of pipeline jacks, and connecting annular grooves 3 are provided on the surfaces of the cylinder gasket body 1 corresponding to each group of positioning jacks. Four groups of locking ear plates 4 are symmetrically fixedly installed in pairs on the outside of the reinforcing shell 6. The annular sealing grooves 2 and connecting annular grooves 3 provided on the upper and lower surfaces of the cylinder gasket body 1 cooperate with the connecting rubber rings 10 and sealing rubber rings 11 embedded and installed on the surface of the protective gasket 7 to avoid dirt hiding between the layers, thereby avoiding the problem of detachment between the layers.

[0025] Furthermore, the protective gasket 7 is provided with corresponding holes at the positions of the pipeline socket and the positioning socket opened in the cylinder gasket body 1, and a reinforcing sleeve 12 is embedded and installed inside the corresponding pipeline socket of the protective gasket 7, and a protective plug 13 is adhesively installed on the inner wall of the reinforcing sleeve 12. The protective gasket 7 is embedded and installed at the corresponding pipeline socket position to protect the inserted oil circuit by the reinforcing sleeve 12, thereby improving the wear resistance of the protective gasket 7 and preventing the center plate 8 inside the protective gasket 7 from contacting the pipeline and causing damage to the pipeline. The protective plug 13 installed inside the reinforcing sleeve 12 is connected to the socket 15 for cooperation with the plug to protect the cylinder gasket body 1 and reduce the wear of the pipeline socket.

[0026] Specifically, connecting rubber rings 10 are embedded and installed at the corresponding positioning holes on the upper and lower sides of the upper protective gasket 7, and a positioning plug 14 is embedded and installed at the positioning hole position of the upper protective gasket 7. The connecting rubber rings 10 and the sealing rubber rings 11 installed on the upper and lower sides of the protective gasket 7 are connected to the cylinder gasket body 1 to improve the connectivity and sealing between the protective gasket 7 and the cylinder gasket body 1, and the positioning plug 14 and the positioning socket 16 can better improve the connectivity between the two groups of protective gaskets 7.

[0027] It is worth mentioning that a connecting socket 15 is fixedly installed at the position of the protective plug 13 on the lower side protective gasket 7, and a positioning socket 16 is fixedly installed at the position of the positioning plug 14 on the lower side protective gasket 7. The connecting socket 15 and the positioning socket 16 are sealed and plug-in installed. The two sets of protective gaskets 7 are plug-in installed, and the protective gasket 7 on one side can be replaced when it is damaged, thereby reducing the cost of use.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-layer cylinder gasket, characterized in that: It comprises a cylinder gasket body (1), a mesh reinforcement rib (5) is embedded in the center of the cylinder gasket body (1), a reinforcement shell (6) is arranged outside the cylinder gasket body (1), and a group of protective gaskets (7) are respectively fitted on the upper and lower sides of the cylinder gasket body (1); The center of the protective gasket (7) is a center plate (8), and connecting rubber plates (9) are glued and installed on both sides of the center plate (8). The outer surface of the protective gasket (7) is completely fitted to the inner wall of the reinforced shell (6) for installation, and the upper and lower groups of the protective gaskets (7) are plugged and installed.

2. A multi-layer cylinder gasket according to claim 1, characterized in that: A plurality of groups of pipeline insertion holes are provided through the middle of the cylinder gasket body (1), and a plurality of groups of positioning insertion holes are provided around the pipeline.

3. A multi-layer cylinder gasket according to claim 2, characterized in that: The cylinder gasket body (1) is provided with annular sealing grooves (2) on the upper and lower surfaces corresponding to each group of pipeline plug holes, the cylinder gasket body (1) is provided with connecting annular grooves (3) on the surface corresponding to each group of positioning plug holes, and four groups of locking ear plates (4) are symmetrically fixedly installed on the outer side of the reinforced shell (6).

4. The multi-layer cylinder gasket according to claim 3, characterized in that: The protective gasket (7) is provided with corresponding holes at positions corresponding to the pipeline insertion holes and positioning insertion holes provided on the cylinder gasket body (1); a reinforcing sleeve (12) is embedded and installed inside the corresponding pipeline insertion holes of the protective gasket (7); and a protective insert (13) is adhesively installed on the inner wall of the reinforcing sleeve (12).

5. The multi-layer cylinder gasket according to claim 4, characterized in that: A connecting rubber ring (10) is embedded and installed at the upper and lower sides of the upper protective gasket (7) corresponding to the positioning plug hole positions, and a positioning plug tube (14) is embedded and installed at the positioning plug hole position of the upper protective gasket (7).

6. The multi-layer cylinder gasket according to claim 5, characterized in that: A connection socket (15) is fixedly installed on the lower side of the protection gasket (7) at a position corresponding to the protection plug tube (13), and a positioning socket (16) is fixedly installed on the lower side of the protection gasket (7) at a position corresponding to the positioning plug tube (14). The connection socket (15) and the positioning socket (16) are installed in a sealed plug-in manner.

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