Sealing structure of valve chamber cover

Abstract

The utility model discloses a sealing structure of a valve chamber cover, which comprises a valve chamber cover body, a fixing part, a rocker and a cylinder cover, the cylinder cover is arranged at the bottom of the valve chamber cover body, the top of the cylinder cover is abutted against the valve chamber cover body, and the rocker is rotatably arranged at the top of the valve chamber cover body. The fixing part is arranged at the top of the valve chamber cover body and comprises a fixing frame a in threaded connection with the rocker, a fixing frame b in rotary connection with the fixing frame a, a buckle a arranged at the bottom of the fixing frame a and a buckle b arranged at the bottom of the fixing frame b, and the fixing frame b is located at the bottom of the fixing frame a. The fixing part is arranged, the rocker can be rotated to drive the fixing frame a and the fixing frame b to move upwards at the same time, the buckle a arranged at the bottom of the fixing frame a and the buckle b arranged at the bottom of the fixing frame b can be clamped into the clamping groove at the same time, and therefore the valve chamber cover body is clamped and fixed to the top of the air cylinder cover.

Description

Technical Field

[0001] The utility model relates to the technical field of valve chamber covers, in particular to a sealing structure of a valve chamber cover. Background Art

[0002] The valve cover is installed above the cylinder head. It mainly prevents the lubricating oil of the valve rocker mechanism from leaking out and prevents external dust from entering the cylinder and the engine body. At the same time, it plays a great role in ensuring the normal operation and service life of the crankshaft. The main body of the valve cover is provided with two chambers, which are isolated from each other by an isolation plate. Each chamber has a labyrinth structure for oil and gas pre-separation, and an oil baffle is covered above the two chambers.

[0003] When disassembling the existing valve cover, a cross wrench is required to disassemble multiple screws, and during the disassembly process, the removed screws are small and easy to lose. Utility Model Content

[0004] The utility model aims to provide a sealing structure for a valve cover to solve the problem in the prior art that a cross wrench is needed to remove multiple screws when disassembling the existing valve cover, and during the disassembly process, the removed screws are small and easy to be lost.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A sealing structure of a valve cover, comprising a valve cover body, a fixing part, a rocker and a cylinder head:

[0006] A cylinder head is arranged at the bottom of the valve cover body, and the top of the cylinder head is abutted against the valve cover body. The rocker is rotatably arranged at the top of the valve cover body, and the fixing part is arranged at the top of the valve cover body. The fixing part includes a fixing frame a threadedly connected to the rocker, a fixing frame b rotatably connected to the fixing frame a, a buckle a arranged at the bottom of the fixing frame a, and a buckle b arranged at the bottom of the fixing frame b. The fixing frame b is located at the bottom of the fixing frame a, and the rotation of the rocker drives the fixing frame a and the fixing frame b to move upward so that the buckle a and the buckle b clamp the valve cover body and fix it on the top of the cylinder head.

[0007] By adopting the above technical solution, the rocker can be turned to drive the fixing frame a and the fixing frame b to move upward at the same time, so that the buckle a set at the bottom of the fixing frame a and the buckle b set at the bottom of the fixing frame b can be simultaneously inserted into the slot, thereby clamping and fixing the valve cover body on the top of the cylinder head.

[0008] Preferably, the valve cover body further comprises a rotation groove a opened at the top of the valve cover body, the bottom of the rocker arm is embedded in the rotation groove a and is rotationally connected thereto, and a rotation handle is rotatably provided at one end of the rocker arm.

[0009] By adopting the above technical solution, the rocker can be rotated along the rotating groove a by rotating the rotating handle.

[0010] Preferably, the fixing portion comprises a rotating block arranged on the top of the fixing frame a and a rotating groove b opened on the bottom of the fixing frame b, and the rotating block is embedded in the rotating groove b and is rotatably connected thereto.

[0011] By adopting the above technical solution, the fixing frame b can be rotated on the top of the fixing frame a.

[0012] Preferably, the fixing portion includes a thread groove arranged inside the fixing frame a, the bottom of the rocker is provided with an external thread, the rocker vertically passes through the thread groove, and the thread groove and the external thread are threadedly connected.

[0013] By adopting the above technical solution, the fixing frame a can be driven to move up and down by the rotation of the rocker.

[0014] Preferably, the cylinder head comprises a clamping groove opened in a circle at the bottom of the cylinder head and a rubber ring arranged inside the clamping groove, the clamping groove is in a clamping connection with the buckle a, and the clamping groove is in a clamping connection with the buckle b.

[0015] By adopting the above technical solution, the valve cover body can be clamped and fixed on the top of the cylinder head by clamping the buckle a and the buckle b into the clamping groove.

[0016] Preferably, two buckles a are provided, and both buckles a are located at the bottom of the fixing frame a. Two buckles b are provided, and both buckles b are located at the bottom of the fixing frame b. The buckles a and buckles b have the same height.

[0017] By adopting the above technical solution, it can be ensured that the buckle a and the buckle b can be inserted into the slot at the same time.

[0018] Preferably, the cylinder head comprises blocks arranged on both sides of the cylinder head, the blocks abut against the fixing frame a, and the blocks abut against the fixing frame b.

[0019] By adopting the above technical solution, a limiting operation can be performed on the fixing frame a and the fixing frame b.

[0020] Compared with the prior art, the beneficial effect of the utility model is that the utility model is provided with a fixing part, which can drive the fixing frame a and the fixing frame b to move upward at the same time by rotating the rocker, so that the buckle a set at the bottom of the fixing frame a and the buckle b set at the bottom of the fixing frame b can be simultaneously inserted into the slot, thereby clamping and fixing the valve cover body on the top of the cylinder head. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the disassembly structure of the valve cover body of this application;

[0023] Figure 3 This is a schematic diagram of the overall side cross-sectional structure of this application;

[0024] Figure 4 This is a schematic diagram of the valve cover body structure of this application;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the fixing part of this application;

[0026] Figure 6 This is a schematic diagram of the rocker structure of this application.

[0027] In the figure: 1. valve cover body; 101. rotation groove a; 2. fixing part; 201. fixing frame a; 202. fixing frame b; 203. buckle a; 204. buckle b; 205. rotation groove b; 206. rotation block; 207. threaded groove; 3. rocker; 301. external thread; 302. rotation handle; 4. cylinder head; 401. slot; 402. rubber ring; 403. stopper. DETAILED DESCRIPTION

[0028] 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.

[0029] Embodiment 1

[0030] See also Figure 1 , Figure 2 and Figure 4 The utility model provides a technical solution: a sealing structure of a valve cover, comprising a valve cover body 1, a fixing part 2, a rocker 3 and a cylinder head 4:

[0031] The valve cover body 1 is a metal structure as a whole. The bottom of the valve cover body 1 abuts against the top of the cylinder head 4. A gasket is arranged between the valve cover body 1 and the cylinder head 4. The rocker 3 is rotatably arranged on the top of the valve cover body 1. The fixing part 2 is arranged on the top of the valve cover body 1. The fixing part 2 includes a fixing frame a201 threadedly connected to the rocker 3, a fixing frame b202 rotatably connected to the fixing frame a201, a buckle a203 arranged at the bottom of the fixing frame a201 and a buckle b204 arranged at the bottom of the fixing frame b202. The fixing frame b202 is located at the bottom of the fixing frame a201. A rotating groove a101 is opened on the top of the valve cover body 1. The bottom of the rod 3 is embedded in the rotating groove a101 and is rotatably connected thereto. A rotating handle 302 is rotatably provided at one end of the rocker arm 3. The rotating handle 302 can be turned to rotate the rocker arm 3 along the rotating groove a101, thereby driving the fixing frame a201 and the fixing frame b202 to move upward at the same time, so that the buckle a203 provided at the bottom of the fixing frame a201 and the buckle b204 provided at the bottom of the fixing frame b202 can be simultaneously clamped into the slot 401, thereby clamping and fixing the valve cover body 1 on the top of the cylinder head 4. After the valve cover body 1 is fixed above the cylinder head 4, the rotating handle 302 can be rotated to turn it downward to prevent it from contacting it after the hood of the vehicle is closed.

[0032] Embodiment 2

[0033] See also Figure 3 , Figure 5 and Figure 6 The utility model provides a technical solution: a sealing structure of a valve cover, comprising a fixing part 2, a fixing frame a201 and a fixing frame b202:

[0034] A rotating block 206 is arranged on the top of the fixing frame a201, and a rotating groove b205 is opened at the bottom of the fixing frame b202. The rotating block 206 is embedded in the rotating groove b205 and is rotatably connected thereto, so that the fixing frame b202 can rotate on the top of the fixing frame a201. A threaded groove 207 is opened inside the fixing frame a201, and an external thread 301 is arranged on the outer circle of the bottom of the rocker 3. The rocker 3 vertically passes through the threaded groove 207. The threaded groove 207 and the external thread 301 are threadedly connected. The rocker 3 can be provided with a rotation to drive the fixing frame a201 to move up and down. It should be noted that when the rocker 3 is rotated to drive the fixing frame a201 to move, the operator needs to hold the side of the fixing frame a201 to make it abut against the valve cover body 1, so as to ensure that the fixing frame a201 can be smoothly driven by the rocker 3.

[0035] Embodiment 3

[0036] See also Figure 4 , Figure 5 and Figure 6The utility model provides a technical solution: a sealing structure of a valve cover, comprising a fixing part 2, a fixing frame a201 and a fixing frame b202:

[0037] A slot 401 is provided around the top of the cylinder head 4, and a rubber ring 402 is provided inside the slot 401. The slot 401 is connected to the buckle a203 by a snap-fit ​​connection, and the slot 401 is connected to the buckle b204 by a snap-fit ​​connection. The buckle a203 and the buckle b204 are snapped into the slot 401, so that the valve cover body 1 is clamped and fixed to the cylinder head 4. The top is provided with two buckles a203, and the two buckles a203 are located at the bottom of the fixing frame a201. There are two buckles b204, and the two buckles b204 are both located at the bottom of the fixing frame b202, and the buckle a203 and the buckle b204 are set at the same height, which can ensure that the buckle a203 and the buckle b204 can be inserted into the slot 401 at the same time. The cylinder head 4 includes a stopper 403 arranged on both sides of the cylinder head 4, the stopper 403 abuts against the fixing frame a201, and the stopper 403 abuts against the fixing frame b202. The fixing frame a201 and the fixing frame b202 can be limited and operated to ensure that the valve cover body 1 is directly above the cylinder head 4.

[0038] Working principle: First, when the valve cover body 1 needs to be disassembled, the operator should first press the side of the fixing frame a201 to make it contact with the valve cover body 1, so as to ensure that the fixing frame a201 can be smoothly driven by the rocker 3, and then the rocker 3 can be rotated to drive the fixing frame a201 and the fixing frame b202 to move downward at the same time, so that the buckle a203 set at the bottom of the fixing frame a201 and the buckle b204 set at the bottom of the fixing frame b202 can slide out of the slot 401 at the same time, so that the valve cover body 1 is unlocked from the cylinder head 4, and after the buckle a203 and the buckle b204 completely slide out from the slot 401, hold the fixing frame a201 and the fixing frame b202 at the same time. The fixing frame b202 can rotate on the top of the fixing frame a201. By rotating the fixing frame a201 and the fixing frame b202, the buckle a203 and the buckle b204 can be moved away from directly under the slot 401. At this time, the entire valve cover body 1 is lifted up to complete the disassembly of the valve cover body 1, and no additional tools are required during the disassembly process.

[0039] 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 sealing structure for a valve cover, characterized in that: include: A valve cover body (1), wherein a cylinder head (4) is arranged at the bottom of the valve cover body (1), and the top of the cylinder head (4) abuts against the valve cover body (1); A rocker (3), the rocker (3) being rotatably arranged on the top of the valve cover body (1); A fixing part (2) is arranged at the top of a valve cover body (1), and comprises a fixing frame a (201) threadedly connected to a rocker (3), a fixing frame b (202) rotatably connected to the fixing frame a (201), a buckle a (203) arranged at the bottom of the fixing frame a (201), and a buckle b (204) arranged at the bottom of the fixing frame b (202); the fixing frame b (202) is located at the bottom of the fixing frame a (201); the rocker (3) rotates to drive the fixing frame a (201) and the fixing frame b (202) to move upward so that the buckle a (203) and the buckle b (204) clamp and fix the valve cover body (1) on the top of the cylinder head (4).

2. The sealing structure of a valve cover according to claim 1, characterized in that: The valve cover body (1) further comprises a rotation groove a (101) opened at the top of the valve cover body (1), the bottom of the rocker (3) is embedded in the rotation groove a (101) and is rotationally connected thereto, and a rotation handle (302) is rotationally arranged at one end of the rocker (3).

3. The sealing structure of a valve cover according to claim 1, characterized in that: The fixing part (2) comprises a rotating block (206) arranged on the top of the fixing frame a (201) and a rotating groove b (205) opened on the bottom of the fixing frame b (202); the rotating block (206) is embedded in the rotating groove b (205) and is rotatably connected thereto.

4. The sealing structure of a valve cover according to claim 1, characterized in that: The fixing portion (2) comprises a thread groove (207) arranged inside the fixing frame a (201); the bottom of the rocker (3) is provided with an external thread (301); the rocker (3) vertically passes through the thread groove (207); and the thread groove (207) and the external thread (301) are threadedly connected.

5. The sealing structure of a valve cover according to claim 1, characterized in that: The cylinder head (4) comprises a clamping groove (401) formed around the bottom of the cylinder head (4) and a rubber ring (402) arranged inside the clamping groove (401); the clamping groove (401) is in a clamping connection with a buckle a (203); and the clamping groove (401) is in a clamping connection with a buckle b (204).

6. The sealing structure of a valve cover according to claim 4, characterized in that: There are two buckles a (203), both of which are located at the bottom of the fixing frame a (201). There are two buckles b (204), both of which are located at the bottom of the fixing frame b (202). The buckles a (203) and the buckles b (204) are at the same height.

7. The sealing structure of a valve cover according to claim 1, characterized in that: The cylinder head (4) comprises a stopper (403) arranged on both sides of the cylinder head (4); the stopper (403) abuts against a fixing frame a (201); and the stopper (403) abuts against a fixing frame b (202).

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