Quick connection type diesel engine accessory

Abstract

The utility model discloses a quick connection type diesel engine accessory, and particularly relates to the technical field of diesel engine accessories, the quick connection type diesel engine accessory comprises a rod body, a connecting rod small end is arranged at the upper end of the rod body, press fitting mechanisms are arranged at the front end and the rear end of the connecting rod small end, and a connecting rod large end is fixedly connected to the lower end of the rod body. The inner wall of the connecting rod large end is fixedly connected with a connecting rod bearing bush, and the lower end of the connecting rod large end is detachably connected with a large end cover. According to the quick connection type diesel engine accessory, the press-fitting mechanism is arranged, so that equipment can conduct limiting and quick press-fitting on a connecting rod bush in the device, the self weight of a connecting rod body is conveniently reduced, meanwhile, the supporting strength is improved, and deformation is avoided; through the arranged clamping mechanism, the equipment can be rapidly inserted and fixed, connection is stable and reliable, the structure is compact, the assembly speed is high, connection is reliable, use is convenient, and workers can conveniently conduct disassembly and assembly operation.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engine accessories, in particular to a quick-connection type diesel engine accessory. Background Art

[0002] The connecting rod of a diesel engine is a connecting component that connects the crankshaft and the piston on a diesel engine. It converts the linear motion of the piston into curved rotational motion and transmits the force acting on the piston to the crankshaft to output power. The connecting rod bears the assembly load and alternating load during the movement.

[0003] The prior art has the following problems.

[0004] 1. Existing quick-connect diesel engine accessories do not have a reinforced structure, which is not convenient for reducing the weight of the connecting rod and preventing deformation with high strength, maintaining oil film, reducing friction and accelerating running-in, and limiting the use of the connecting rod bushing for quick press-fitting, and the positioning and limiting clamping structure of the bearing bush to prevent the bearing bush from rotating and axial movement;

[0005] 2. In the existing quick-connect diesel engine accessories, the common connecting rod is divided into two parts, and the two parts of the connecting rod are fixed by bolts and screw holes. The structure is relatively compact, but inconvenient to use. A screwdriver must be used to fix it, and the fixing efficiency is slow. Utility Model Content

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A quick-connect diesel engine accessory comprises a rod body, a connecting rod small end is arranged at the upper end of the rod body, a pressing mechanism is arranged at the front and rear ends of the connecting rod small end, a connecting rod big end is fixedly connected to the lower end of the rod body, a connecting rod bearing is fixedly connected to the inner wall of the connecting rod big end, a big end cover is detachably connected to the lower end of the connecting rod big end, a big end connecting hole is opened in the middle of the connecting rod bearing, an oil groove is embedded in the inner wall of the connecting rod bearing, a clamping mechanism is fixedly connected to both sides of the upper end of the big end cover, and an oil hole is opened on the left side of the upper end of the connecting rod big end.

[0008] Preferably, the press-fitting mechanism comprises a press-fitting groove, the outer wall of which is embedded and connected with the front and rear ends of the small end of the connecting rod, the inner wall of which is provided with a press cover, and the middle part of which is provided with a connecting rod bushing.

[0009] Preferably, the inner wall of the press-fitting groove is clamped with one end of the press cover, and the inner wall of the press cover is movably connected with the outer wall of the connecting rod bushing.

[0010] Preferably, the outer diameter of the gland is greater than the outer diameter of the connecting rod bushing.

[0011] Preferably, the clamping mechanism includes a fixing column, the lower end of the fixing column is fixedly connected to both sides of the upper end of the large end cover, mounting grooves are provided on both sides of the inner cavity of the fixing column, sliding grooves are provided at both ends of the mounting groove, the lower end of the large end of the connecting rod is embedded in and connected with fixing grooves on both sides, the inner wall of the fixing groove is embedded in and connected with clamping grooves on both sides, a telescopic rod is fixedly connected to one side of the inner wall of the mounting groove, a spring is sleeved on the outer wall of the telescopic rod, a movable plate is fixedly connected to one side of the spring, a clamping block is fixedly connected to one side of the movable plate, and sliders are fixedly connected to both ends of the movable plate.

[0012] Preferably, two sides of the inner cavity of the fixing column are embedded and connected with the outer wall of the mounting groove, and the outer side of the mounting groove is embedded and connected with the inner side of the sliding groove.

[0013] Preferably, the inner diameter of the mounting groove is the same as the inner diameter of the movable plate.

[0014] Preferably, the lower end of the small end of the connecting rod is fixedly connected to the upper end of the rod body, and one end of the pressing mechanism is detachably connected to one end of the small end of the connecting rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model provides a press-fitting mechanism that enables the device to quickly press-fit the connecting rod bushing inside the device in a limited position, thereby reducing the deadweight of the connecting rod body while increasing the supporting strength to avoid deformation.

[0017] 2. During the implementation of the utility model, the card connection mechanism provided enables the device to be quickly plugged in and fixed, the connection is stable and reliable, the structure is compact, the assembly speed is fast, the connection is reliable, and the use is convenient, which is convenient for the staff to carry out disassembly and assembly operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the press-fitting mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0021] Figure 4 It is a detailed structural diagram of the clamping mechanism of the utility model;

[0022] Figure 5 It is a side view of the utility model.

[0023] In the figure: 1. rod body; 2. small end of connecting rod; 3. press-fitting mechanism; 4. big end of connecting rod; 5. connecting rod bearing; 6. big end cover; 7. big end connecting hole; 8. oil groove; 9. clamping mechanism; 10. oil hole; 31. press-fitting groove; 32. pressure cover; 33. connecting rod bushing; 91. fixing column; 92. mounting groove; 93. slide groove; 94. fixing groove; 95. clamping groove; 96. telescopic rod; 97. spring; 98. movable plate; 99. clamping block; 910. slider. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1 , Figure 5 As shown, a quick-connect diesel engine accessory comprises a rod body 1, a connecting rod small end 2 is arranged at the upper end of the rod body 1, and a press-fitting mechanism 3 is arranged at the front and rear ends of the connecting rod small end 2. The press-fitting mechanism 3 enables the device to perform limited and quick press-fitting on the connecting rod bushing inside the device, so as to reduce the dead weight of the connecting rod body while increasing the supporting strength to avoid deformation. The lower end of the rod body 1 is fixedly connected to the connecting rod big end 4, and the inner wall of the connecting rod big end 4 is fixedly connected to the connecting rod bearing 5. The lower end of the connecting rod big end 4 is detachably connected to the big end cover 6, and the connecting rod bearing 5 is A large end connecting hole 7 is opened in the middle part, an oil groove 8 is embedded in the inner wall of the connecting rod bearing 5, and a clamping mechanism 9 is fixedly connected to both sides of the upper end of the large end cover 6. The clamping mechanism 9 can enable the equipment to realize fast plug-in and fixation of the device, and the connection is firm and reliable. It has a compact structure, fast assembly speed, reliable connection, and convenient use, which is convenient for the staff to carry out disassembly and assembly operations. An oil hole 10 is opened on the left side of the upper end of the connecting rod big end 4, the lower end of the connecting rod small end 2 is fixedly connected to the upper end of the rod body 1, and one end of the pressing mechanism 3 is detachably connected to one end of the connecting rod small end 2.

[0026] like Figure 2 As shown, the press-fitting mechanism 3 includes a press-fitting groove 31, the outer wall of the press-fitting groove 31 is embedded and connected with the front and rear ends of the connecting rod small end 2, the inner wall of the press-fitting groove 31 is provided with a press cover 32, and the middle part of the press cover 32 is provided with a connecting rod bushing 33;

[0027] The inner wall of the press-fitting groove 31 is clamped with one end of the press cover 32, and the inner wall of the press cover 32 is movably connected with the outer wall of the connecting rod bushing 33;

[0028] The outer diameter of the gland 32 is greater than the outer diameter of the connecting rod bushing 33 .

[0029] As can be seen from the above, press-fitting grooves 31 are provided at the front and rear ends of the small end 2 of the connecting rod, and pressure covers 32 are installed inside the press-fitting grooves 31 at the front and rear ends of the small end 2 of the connecting rod. The pressure covers 32 on both sides of the small end 2 of the connecting rod facilitate the limited and quick press-fitting of the internal connecting rod bushing 33.

[0030] like Figure 3 , Figure 4 As shown, the clamping mechanism 9 includes a fixed column 91, the lower end of the fixed column 91 is fixedly connected to both sides of the upper end of the large end cover 6, the inner cavity of the fixed column 91 is provided with mounting grooves 92 on both sides, and the two ends of the mounting groove 92 are provided with sliding grooves 93, the lower end of the connecting rod large end 4 is embedded with fixed grooves 94 on both sides, the inner wall of the fixed groove 94 is embedded with clamping grooves 95 on both sides, the inner wall of the mounting groove 92 is fixedly connected with a telescopic rod 96 on one side, the outer wall of the telescopic rod 96 is sleeved with a spring 97, one side of the spring 97 is fixedly connected with a movable plate 98, one side of the movable plate 98 is fixedly connected with a clamping block 99, and both ends of the movable plate 98 are fixedly connected with sliders 910;

[0031] Both sides of the inner cavity of the fixing column 91 are embedded and connected with the outer wall of the mounting groove 92, and the outer side of the mounting groove 92 is embedded and connected with the inner side of the sliding groove 93;

[0032] The inner diameter of the mounting groove 92 is the same as the inner diameter of the movable plate 98 .

[0033] As can be seen from the above, the top surface of the fixing column 91 is provided with an arc-shaped column head, and the clamping block 99 is provided with a semicircular protrusion.

[0034] The working principle of the utility model is as follows: first, the fixing column 91 is docked and inserted into the fixing groove 94 in the connecting rod big end 4. During the docking process, the block 99 enters the installation groove 92 and directly moves to the slot 95 to control the extension and retraction of the telescopic rod 96. At the same time, the block 99 pops out under the elastic force of the spring 97, so that the block 99 and the slot 95 dock and complete the fixation. Then, an oil hole 10 extending to the big end connecting hole 7 is provided on the left side of the top surface of the connecting rod big end 4. Through the connecting rod bearing 5 inside the connecting rod big end 4, and in the oil groove 8, the oil filling passage on the connecting rod big end 4 is connected, so that oil can be stored in the oil groove 8 to ensure reliable lubrication. At the same time, the friction-reducing alloy layer on the inner wall of the connecting rod bearing 5 has the function of maintaining oil film, reducing friction and accelerating running-in. It has a reinforced structure that can reduce the weight of the connecting rod while preventing deformation and high strength. At the same time, it is convenient for the connecting rod bushing 33 to be limited and quickly pressed.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick-connect diesel engine accessory, comprising a rod body (1), characterized in that: The upper end of the rod body (1) is provided with a connecting rod small end (2), and the front and rear ends of the connecting rod small end (2) are both provided with a pressing mechanism (3). The lower end of the rod body (1) is fixedly connected to a connecting rod big end (4), and the inner wall of the connecting rod big end (4) is fixedly connected to a connecting rod bearing (5). The lower end of the connecting rod big end (4) is detachably connected to a big end cover (6). A big end connecting hole (7) is provided in the middle of the connecting rod bearing (5), and an oil groove (8) is embedded in the inner wall of the connecting rod bearing (5). The upper ends of the big end cover (6) are fixedly connected to a clamping mechanism (9), and the upper left side of the connecting rod big end (4) is provided with an oil hole (10).

2. A quick-connect diesel engine accessory according to claim 1, characterized in that: The press-fitting mechanism (3) comprises a press-fitting groove (31), the outer wall of which is embedded and connected with the front and rear ends of the connecting rod small end (2), the inner wall of which is provided with a press cover (32), and the middle part of which is provided with a connecting rod bushing (33).

3. A quick-connect diesel engine accessory according to claim 2, characterized in that: The inner wall of the press-fitting groove (31) is clamped with one end of the press cover (32), and the inner wall of the press cover (32) is movably connected with the outer wall of the connecting rod bushing (33).

4. A quick-connect diesel engine accessory according to claim 3, characterized in that: The outer diameter of the gland (32) is greater than the outer diameter of the connecting rod bushing (33).

5. A quick-connect diesel engine accessory according to claim 1, characterized in that: The clamping mechanism (9) comprises a fixing column (91), the lower end of the fixing column (91) is fixedly connected to both sides of the upper end of the large end cover (6), the inner cavity of the fixing column (91) is provided with mounting grooves (92) on both sides, and the two ends of the mounting groove (92) are provided with sliding grooves (93), the lower end of the large end (4) of the connecting rod is embedded with fixing grooves (94) on both sides, and the inner wall of the fixing groove (94) is embedded with clamping grooves (95) on both sides, the inner wall of the mounting groove (92) is fixedly connected with a telescopic rod (96) on one side, and the outer wall of the telescopic rod (96) is sleeved with a spring (97), one side of the spring (97) is fixedly connected with a movable plate (98), one side of the movable plate (98) is fixedly connected with a clamping block (99), and the two ends of the movable plate (98) are fixedly connected with sliders (910).

6. A quick-connect diesel engine accessory according to claim 5, characterized in that: Both sides of the inner cavity of the fixing column (91) are embedded and connected with the outer wall of the installation groove (92), and the outer side of the installation groove (92) is embedded and connected with the inner side of the sliding groove (93).

7. A quick-connect diesel engine accessory according to claim 6, characterized in that: The inner diameter of the mounting groove (92) is the same as the inner diameter of the movable plate (98).

8. A quick-connect diesel engine accessory according to claim 1, characterized in that: The lower end of the connecting rod small end (2) is fixedly connected to the upper end of the rod body (1), and one end of the pressing mechanism (3) is detachably connected to one end of the connecting rod small end (2).

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