Cylinder cover of double-layer single-cylinder high-power diesel engine
By designing fixing and locking components, the instability problem caused by spring wobbling during transportation of diesel engine cylinder heads was solved, achieving stable connection and durability of the cylinder heads.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-03-10
AI Technical Summary
The existing diesel engine cylinder head is prone to damage during transportation because the fixing mechanism shakes due to the use of springs.
By employing fixed and locking components, and through the cooperation of screws, lifting parts, and connecting rods, the abutment parts are pushed open to achieve a stable connection between the cylinder head body and the upper cover plate, thus avoiding the use of elastic parts.
This ensures the stability of the cylinder head during transportation, prevents internal parts from shaking, and guarantees the stability and durability of the connection.
Smart Images

Figure CN223984524U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to diesel engine cylinder cover technical field especially relates to double -deck single cylinder high -power diesel engine cylinder cover. BACKGROUND
[0002] The cylinder cover of double -deck single cylinder high -power diesel engine is an important component of single cylinder high -power diesel engine, and the cylinder cover body is provided with an oil nozzle, an air inlet hole, an air inlet valve, an air outlet hole, an air outlet valve and a water cooling channel arranged in the cover body interlayer, and the cylinder cover body is usually connected and fastened by six bolts and a cylinder upper cover sleeve, so that the cylinder cover bolt needs to be disassembled by using a wrench during installation and disassembly.
[0003] Through the retrieval, China patent discloses single cylinder low emission energy saving cylinder cover (authorized announcement number CN220955848U), including cylinder cover body, the upper surface of cylinder cover body sets up cylinder upper cover, the outer wall both sides of cylinder cover body are fixedly connected with fixed cover one, the outer wall both sides of cylinder upper cover are fixedly connected with fixed cover two, fixed cover one and fixed cover two are fixedly connected through fixed mechanism, through to the inside push plug rod one, under the cooperation use of connecting block, can make the inclined plate open outward, then push plug rod two to the inside of fixed cover two, when fixed block passes through the clamping block, loosen plug rod one, make one side of inclined plate stick to fixed block, then continue to push plug rod two to the inside of fixed cover one, when the clamping groove passes through the clamping block, the clamping block is directly clamped into the clamping groove, and then the fixed cover one and the fixed cover two can be fixed and installed, so that the cylinder cover body is fixed on the cylinder upper cover, the patent technology can quickly install and disassemble the device, thereby improving the work efficiency.
[0004] But the above -mentioned device still has some shortcomings in actual use, and the more obvious one is that the above -mentioned diesel engine cylinder cover adopts more springs to cooperate with the fixed mechanism to realize the fixing purpose of the cylinder cover body and the cylinder upper cover, when transporting the diesel engine cylinder cover, the spring is easy to push the fixed mechanism to shake due to the large elastic force of the spring, which can cause damage to the inside of the fixed mechanism, so that the cylinder cover is not firm during use. UTILITY MODEL CONTENTS
[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a double -deck single cylinder high -power diesel engine cylinder cover.
[0006] The technical solution of this utility model is as follows: a double-layer single-cylinder high-power diesel engine cylinder head, including a cylinder head body, an upper cover plate is provided on the top of the cylinder head body, two upper mounting parts are fixedly connected to both sides of the upper cover plate, two lower mounting parts are fixedly connected to both sides of the cylinder head body, the lower mounting parts are located below the upper mounting parts, a connector is provided between the upper mounting parts and the lower mounting parts, a fixing component is provided on the outside of the connector, and a locking component is provided inside the connector.
[0007] By adopting the above technical solution, the upper cover plate can be fixed to the cylinder head body through the combined use of the fixing component and the locking component. Moreover, neither component uses springs or other elastic parts, making the diesel engine cylinder head more stable during transportation and preventing internal parts from shaking.
[0008] In a preferred embodiment, the locking assembly includes a screw rotatably mounted inside the connector, a lifting member threadedly connected to the outer side of the screw, connecting rods rotatably connected to both sides of the lifting member, a limiting groove formed inside the connector, a rotating shaft rotatably mounted on both sides of the limiting groove, and two connecting members fixedly connected to the outer side of each rotating shaft.
[0009] By adopting the above technical solution, the screw rotates and the lifting component is limited by the connecting rod, so that the lifting component can move downward in the limiting groove, thereby using the connecting rod to push the two abutting components to unfold.
[0010] In a preferred embodiment, the locking assembly further includes abutment members disposed on both sides of the connector, all of the connecting members being fixedly connected to the abutment members, and all of the abutment members having a mounting base fixedly connected to their tops, and the ends of the connecting rods away from the lifting members being rotatably connected to the corresponding mounting bases.
[0011] By adopting the above technical solution and using the connecting rod, it is possible to provide support for the contacting part and drive the contacting part to unfold or retract.
[0012] In a preferred embodiment, the fixing component includes an external thread disposed on the outside of the connector, and a handwheel is connected to the outer thread of the external thread.
[0013] By adopting the above technical solution, the handwheel is rotated to make it contact the upper surface of the upper mounting part, thereby achieving a stable connection between the cylinder head body and the upper cover plate through the bidirectional clamping of the handwheel and the contacting part.
[0014] In a preferred embodiment, the lifting component is slidably connected to the inner wall of the limiting groove, and the connector has an internal receiving groove for use with the lifting component, the receiving groove being located below the limiting groove.
[0015] By adopting the above technical solution, the movement of the lifting component can be limited to a certain extent.
[0016] In a preferred embodiment, the handwheel abuts against the upper surface of the upper mounting member, and all abutting members abut against the lower surface of the lower mounting member.
[0017] By adopting the above technical solution and using the contact setting, the connection between the two parties can be made more seamless.
[0018] In a preferred embodiment, the cylinder head body has multiple exhaust holes arranged at equal intervals, the upper cover plate has multiple air intake holes, and an oil passage is fixedly installed on the upper surface of the upper cover plate.
[0019] By adopting the above technical solution, during the combustion process of the engine, fuel burns in the cylinder to produce exhaust gas, and the exhaust port is responsible for expelling this exhaust gas, ensuring that the gas in the cylinder can be replenished in a timely manner, thereby ensuring the normal operation of the engine.
[0020] In a preferred embodiment, the lower mounting component has a limiting groove inside that mates with the mounting base, a rotating component is fixedly connected to the outside of the connector, and the top end of the screw extends to the outside of the connector and is fixedly connected to an adjustment knob.
[0021] By adopting the above technical solution, the screw can be rotated by adjusting the knob settings.
[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0023] 1. In this utility model, by rotating the screw and with the lifting member under the limit of the connecting rod, the lifting member can move downward in the limiting groove. This allows the connecting rod to push the two abutting members to unfold, and then the abutting members to abut against the lower surface of the lower mounting member. With the cooperation of the fixing components, the cylinder head body and the upper cover plate can be conveniently installed. Moreover, the above structure does not use elastic components such as springs, making the diesel engine cylinder head more stable during transportation.
[0024] 2. In this utility model, after the locking component is used up, the handwheel inside the fixing component can be turned downwards so that the handwheel abuts against the upper surface of the upper mounting part. In this way, the bidirectional clamping of the handwheel and the abutting part can be used to achieve a stable connection between the cylinder head body and the upper cover plate. Attached Figure Description
[0025] Figure 1 This utility model provides an overall perspective view of the cylinder head of a double-layer single-cylinder high-power diesel engine;
[0026] Figure 2 A partial schematic diagram of a double-layer single-cylinder high-power diesel engine cylinder head is provided for this utility model;
[0027] Figure 3 This utility model provides a schematic diagram of the internal structure of a double-layer single-cylinder high-power diesel engine cylinder head;
[0028] Figure 4 This utility model provides a double-layer single-cylinder high-power diesel engine cylinder head. Figure 3 Enlarged view of point A in the middle.
[0029] Legend: 1. Cylinder head body; 2. Upper cover plate; 3. Exhaust port; 4. Intake port; 5. Oil pipe; 6. Upper mounting part; 7. Lower mounting part; 8. Locking assembly; 801. Screw; 802. Lifting part; 803. Connecting rod; 804. Abutting part; 805. Mounting base; 806. Rotating shaft; 807. Connecting part; 9. Fixing assembly; 901. External thread; 902. Handwheel; 10. Connector; 11. Limiting groove; 12. Rotating part. Detailed Implementation
[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0031] Reference Figures 1-4 A double-layer single-cylinder high-power diesel engine cylinder head includes a cylinder head body 1. An upper cover plate 2 is provided on the top of the cylinder head body 1. Two upper mounting parts 6 are fixedly connected to both sides of the upper cover plate 2. Two lower mounting parts 7 are fixedly connected to both sides of the cylinder head body 1. The lower mounting parts 7 are located below the upper mounting parts 6. A connector 10 is provided between the upper mounting parts 6 and the lower mounting parts 7. A fixing component 9 is provided on the outside of the connector 10. A locking component 8 is provided inside the connector 10.
[0032] Specifically, the locking assembly 8 includes a screw 801 rotatably mounted inside the connector 10. A lifting member 802 is threadedly connected to the outer side of the screw 801. Connecting rods 803 are rotatably connected to both sides of the lifting member 802. A limiting groove 11 is provided inside the connector 10. During operation, the screw 801 rotates, and the lifting member 802, limited by the connecting rods 803, moves downward within the limiting groove 11. This allows the connecting rods 803 to push two abutting members 804 out, which then abut against the lower surface of the lower mounting member 7. With the cooperation of the fixing assembly 9, the cylinder head body 1 and the upper cover plate 2 can be easily installed. Furthermore, this structure does not use springs or other elastic components, making the diesel engine cylinder head more stable during transportation and preventing internal parts from shaking. The two sides of the limiting groove 11... A rotating shaft 806 is rotatably mounted on each side. Two connecting parts 807 are fixedly connected to the outer side of the rotating shaft 806. The locking assembly 8 also includes abutting parts 804 disposed on both sides of the connector 10. When the locking assembly 8 is not in use, the handwheel 902 in the fixing assembly 9 can be turned downwards so that the handwheel 902 abuts against the upper surface of the upper mounting part 6. Thus, the bidirectional clamping of the handwheel 902 and the abutting parts 804 can achieve a stable connection between the cylinder head body 1 and the upper cover plate 2. The connecting parts 807 are fixedly connected to the abutting parts 804. The top of the abutting parts 804 is fixedly connected to the mounting base 805. The end of the connecting rod 803 away from the lifting part 802 is rotatably connected to the corresponding mounting base 805. The fixing assembly 9 includes an external thread 901 disposed on the outer side of the connector 10. The handwheel 902 is connected to the outer thread of the external thread 901.
[0033] Specifically, the lifting component 802 is slidably connected to the inner wall of the limiting groove 11 to limit the movement of the lifting component 802. The connector 10 has an internal receiving groove that cooperates with the lifting component 802. The receiving groove is located below the limiting groove 11. The handwheel 902 abuts against the upper surface of the upper mounting component 6, and the contacting components 804 abut against the lower surface of the lower mounting component 7. Through the contacting arrangement, the connection between the two parties can be made more snug. The cylinder head body 1 has multiple exhaust holes 3 inside. During the combustion process of the engine, fuel burns in the cylinder to produce exhaust gas. The exhaust holes 3 are responsible for expelling these exhaust gases to ensure that the gas in the cylinder can be refreshed in a timely manner, thereby ensuring the normal operation of the engine. Multiple exhaust holes 3 are arranged at equal intervals. The upper cover plate 2 has several air intake holes 4 inside. When the engine is running, the air intake holes draw in fresh air, which then mixes with fuel to form a combustible mixture, providing the oxygen required for combustion in the engine. An oil pipe 5 is fixedly installed on the upper surface of the upper cover plate 2 to provide a delivery channel for diesel fuel. The lower mounting part 7 has a limiting groove 11 inside that mates with the mounting base 805. A rotating part 12 is fixedly connected to the outside of the connector 10 so that the operator can use the connector 10. The top end of the screw 801 extends to the outside of the connector 10 and is fixedly connected to an adjustment knob. The screw 801 can be rotated by adjusting the knob.
[0034] Working principle: First, when it is necessary to fix the cylinder head body 1 to the upper cover plate 2, the operator can fasten the cylinder head body 1 to the upper cover plate 2 and insert the connector 10 into the upper mounting part 6 and the lower mounting part 7. Then, the adjustment knob is turned. Through the rotation of the screw 801, and with the lifting part 802 limited by the connecting rod 803, the lifting part 802 can move downward in the limiting groove 11. In this way, the connecting rod 803 can push the two abutting parts 804 to unfold, and then use the abutting parts to unfold. Part 804 abuts against the lower surface of the lower mounting part 7. After the locking assembly 8 is used, the handwheel 902 in the fixing assembly 9 can be turned downwards so that the handwheel 902 abuts against the upper surface of the upper mounting part 6. Thus, the bidirectional clamping of the handwheel 902 and the abutting part 804 can achieve a stable connection between the cylinder head body 1 and the upper cover plate 2. Moreover, the above structure does not use elastic components such as springs, making the diesel engine cylinder head more stable during transportation and the internal parts less prone to shaking.
[0035] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0036] The above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. Double-layer single-cylinder high-power diesel engine cylinder head, comprising a cylinder head body (1), characterized in that: The top of the cylinder head body (1) is provided with an upper cover plate (2), both sides of the upper cover plate (2) are fixedly connected with two upper mounting parts (6), both sides of the cylinder head body (1) are fixedly connected with two lower mounting parts (7), the lower mounting part (7) is arranged below the upper mounting part (6), a connector (10) is arranged between the upper mounting part (6) and the lower mounting part (7), the outer side of the connector (10) is provided with a fixing assembly (9), and the inner side of the connector (10) is provided with a locking assembly (8).
2. The double-layered single-cylinder large-power diesel engine cylinder head according to claim 1, characterized in that: The locking assembly (8) comprises a screw rod (801) rotatably arranged in the connector (10), the outer side of the screw rod (801) is threadedly connected with a lifting piece (802), both sides of the lifting piece (802) are rotatably connected with a connecting rod (803), the inner side of the connector (10) is provided with a limiting groove (11), both sides of the limiting groove (11) are rotatably provided with a rotating shaft (806), and both sides of the rotating shaft (806) are fixedly connected with two connecting pieces (807).
3. The double-layered single-cylinder large-power diesel engine cylinder head according to claim 2, characterized in that: The locking assembly (8) further comprises a resisting piece (804) arranged on both sides of the connector (10), the connecting piece (807) is fixedly connected with the resisting piece (804), and the top of the resisting piece (804) is fixedly connected with a mounting seat (805).
4. The double-layered single-cylinder large-power diesel engine cylinder head according to claim 3, characterized in that: The fixing assembly (9) comprises an outer thread (901) arranged on the outer side of the connector (10), and the outer side of the outer thread (901) is threadedly connected with a hand wheel (902).
5. The dual layer single cylinder high power diesel engine cylinder head of claim 2, wherein: The lifting piece (802) is slidably connected with the inner wall of the limiting groove (11), and the inner side of the connector (10) is provided with an accommodating groove matched with the lifting piece (802), and the accommodating groove is arranged below the limiting groove (11).
6. The dual layer single cylinder high power diesel engine cylinder head of claim 4, wherein: The hand wheel (902) abuts against the upper surface of the upper mounting part (6), and the resisting piece (804) abuts against the lower surface of the lower mounting part (7).
7. The dual layer single cylinder high power diesel engine cylinder head of claim 1, wherein: The inner side of the cylinder head body (1) is provided with a plurality of exhaust holes (3), the plurality of exhaust holes (3) are arranged at equal intervals, the inner side of the upper cover plate (2) is provided with a plurality of air inlet holes (4), and the upper surface of the upper cover plate (2) is fixedly provided with an oil pipeline (5).
8. The dual layer single cylinder high power diesel engine cylinder head of claim 3, wherein: The inner side of the lower mounting part (7) is provided with a limiting groove (11) matched with the mounting seat (805), the outer side of the connector (10) is fixedly connected with a rotating piece (12), and the top end of the screw rod (801) extends to the outer side of the connector (10) and is fixedly connected with an adjusting knob.
Citation Information
Patent Citations
Single cylinder low emission energy-saving cylinder head
CN220955848U