Auxiliary mounting device for hydraulic tappet of hybrid engine

Abstract

The utility model relates to the technical field of engine assembly, in particular to an auxiliary mounting device for a hydraulic tappet of a hybrid engine. The device comprises a main body, a lower pressing block, lower pressing columns and guide columns, at least one guide column is connected to the main body, each guide column is of a hollow column structure, at least one lower pressing column is connected to the lower pressing block, one end of each lower pressing column penetrates through the main body and is movably connected with the corresponding guide column, and a hydraulic tappet is installed at the tail end of the corresponding guide column. The lower pressing block is pressed to enable the lower pressing column to eject out of the hydraulic tappet at the tail end of the guide column to complete assembly. According to the device, a plurality of hydraulic tappets can be simultaneously taken and mounted at one time, so that the hydraulic tappet mounting efficiency is improved, and a bottleneck station of a production line is effectively solved; assembling can be completed only by pressing the lower pressing block, operation is easy, and adaptability is high; the whole device is simple in mechanical structure and convenient to maintain, mount, dismount and adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of engine assembly, in particular to an auxiliary mounting device for a hydraulic tappet of a hybrid engine. Background Art

[0002] At present, the hydraulic tappets are installed manually one by one into the engine cylinder head, such as Figure 1 and Figure 2 Since the cylinder head hydraulic tappet needs to be installed in the corresponding hydraulic tappet hole, this method has several main problems:

[0003] Difficulty in operation: In the manual parts removal solution, employees must manually remove parts one by one and install them, which causes operational difficulties;

[0004] Too long cycle: A single engine needs to be installed with 16 hydraulic tappets, and operators have to manually take the parts and install them one by one, which results in too long cycle and low installation efficiency.

[0005] Quality risks: Traditionally, parts are taken by hand and installed one by one. Manual installation requires repeated contact with parts while wearing gloves, resulting in poor quality stability of part cleanliness. Utility Model Content

[0006] The utility model provides an auxiliary installation device for a hybrid engine hydraulic tappet, aiming to solve the problems of difficult operation, low efficiency and poor cleanliness in the existing manual installation of the hydraulic tappet.

[0007] The utility model provides an auxiliary installation device for a hybrid engine hydraulic tappet, comprising a main body, a lower pressure block, a lower pressure column, and a guide column, wherein at least one guide column is connected to the main body, and the guide column is a hollow column structure, and at least one lower pressure column is connected to the lower pressure block, one end of the lower pressure column passes through the main body and is movably connected to the guide column, and the hydraulic tappet is installed at the end of the guide column. After the hydraulic tappet is aligned with the hole position of the engine, the lower pressure block is pressed to make the lower pressure column push out the hydraulic tappet at the end of the guide column to complete the assembly.

[0008] As a further improvement of the utility model, the pressing column and the guide column are movably connected via an elastic member.

[0009] As a further improvement of the utility model, the lower pressure column is provided with a convex ring, the top of the guide column is provided with a boss, one end of the elastic member abuts on the convex ring, and the other end of the elastic member abuts on the boss.

[0010] As a further improvement of the utility model, a downward pressure chamber is provided inside the main body, a downward pressure hole is provided on the top of the main body, the bottom of the downward pressure chamber is connected to the inner cavity of the guide column, the top of the downward pressure chamber is connected to the downward pressure hole, and the convex ring is limited to move in the downward pressure chamber.

[0011] As a further improvement of the utility model, the main body includes a bottom shell and a surface cover, the bottom shell is connected to the guide column, the downward pressure chamber is arranged in the bottom shell, the downward pressure hole is arranged on the surface cover, after the convex ring of the downward pressure column is placed in the downward pressure chamber, the surface cover is put on the downward pressure column through the downward pressure hole, and the surface cover and the bottom shell are connected by fasteners.

[0012] As a further improvement of the utility model, the auxiliary installation device of the hybrid engine hydraulic tappet also includes a sealing ring, a sealing groove is provided on the inner wall of the bottom of the guide column, the sealing ring is embedded in the sealing groove, and the guide column clamps the hydraulic tappet through the sealing ring.

[0013] As a further improvement of the utility model, the top of the pressing column is fixedly connected to the pressing block via a fastener.

[0014] As a further improvement of the present invention, the positions of the plurality of guide pillars on the main body correspond one-to-one to the positions of the plurality of lower pressure pillars on the lower pressure block.

[0015] The beneficial effects of the utility model are as follows: the device can take multiple hydraulic tappets for installation at the same time, which improves the installation efficiency of the hydraulic tappets and effectively solves the bottleneck workstations of the production line; the assembly can be completed by pressing the pressing block, which is simple to operate and has strong adaptability; the mechanical structure of the entire device is simple, which is convenient for maintenance, installation, disassembly and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the installation position of the liquid tappet of the utility model on the engine;

[0017] Figure 2 It is a schematic diagram of the position of the liquid tappet mounting hole on the engine of the utility model;

[0018] Figure 3 It is the overall structural diagram of the auxiliary installation device of the hydraulic tappet of the hybrid engine of the utility model;

[0019] Figure 4 It is a structural perspective view of the auxiliary installation device of the hydraulic tappet of the hybrid engine of the utility model;

[0020] Figure 5 It is a structural cross-sectional view of the auxiliary installation device of the hydraulic tappet of the hybrid engine of the utility model;

[0021] Figure 6 It is a structural diagram of the guide column of the utility model;

[0022] Figure 7 It is a structural diagram of the lower pressure column of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] like Figures 1 to 3 As shown, the utility model is an auxiliary installation device for a hybrid engine hydraulic tappet, comprising a main body 1, a lower pressure block 3, a lower pressure column 4, and a guide column 2. At least one guide column 2 is connected to the main body 1, and the guide column 2 is a hollow column structure. At least one lower pressure column 4 is connected to the lower pressure block 3, and one end of the lower pressure column 4 passes through the main body 1 and is movably connected to the guide column 2. A hydraulic tappet 7 is installed at the end of the guide column 2. After aligning the hydraulic tappet 7 with the hole position of the engine 8, the lower pressure block 3 is pressed to push the lower pressure column 4 out of the hydraulic tappet 7 at the end of the guide column 2 to complete the assembly.

[0025] The pressing column 4 and the guide column 2 are movably connected via an elastic member 5. The elastic member 5 is preferably a spring.

[0026] The main body 1 is used to fix the guide column 2 and the spring. The pressing block 3 connects multiple guide columns 2 to transmit the pressure of the hand, and presses the hydraulic tappet 7 out of the bottom of the guide column 2. Each pressing block 4 is assembled corresponding to one guide column 2. The pressing block 4 can move up and down relative to the guide column 2. When the pressing block 4 is pressed down to the lowest part, it will protrude from the bottom of the guide column 2. When the pressing block 4 retracts, it will retreat to the inside of the guide column 2. After retreating, the space left at the bottom of the guide column 2 can be used to install the hydraulic tappet 7. The function of the spring is that after the downward pressure is withdrawn, the pressing block 4 can rebound and reset, and retract to the inside of the guide column 2 to facilitate the installation of the next set of hydraulic tappets 7. The whole device can install multiple hydraulic tappets at a time. The pressing block 3 does not require external equipment and can be pressed by hand, which is easy to operate.

[0027] like Figure 6 and Figure 7 As shown, the lower pressure column 4 is provided with a convex ring 41, the top of the guide column 2 is provided with a boss 21, one end of the elastic member 5 abuts on the convex ring 41, and the other end of the elastic member 5 abuts on the boss 21. The spring is sleeved on the lower pressure column 4 and the boss 21, the top of the spring abuts on the convex ring 41, and the bottom abuts on the plane around the boss 21. The design of the convex ring 41 and the boss 21 is to better fix the spring, thereby providing a point for applying elastic force to the spring. After assembly, the spring applies elastic force to the lower pressure column 4 through the convex ring 41 to achieve the reset of the lower pressure column 4.

[0028] A downward pressure chamber 11 is provided inside the main body 1, a downward pressure hole 12 is provided on the top of the main body 1, the bottom of the downward pressure chamber 11 is connected to the inner cavity of the guide column 2, the top of the downward pressure chamber 11 is connected to the downward pressure hole 12, and the convex ring 41 is limited to move in the downward pressure chamber 11. The downward pressure chamber 11 can be a cylindrical cavity structure, and the inner diameter of the downward pressure chamber 11 can just match the outer diameter of the convex ring 41, so that the convex ring 41 can move freely up and down in the downward pressure chamber 11, and also provide a guiding effect for the movement of the convex ring 41. The upper and lower spacings of the down-pressure chamber 11 can be designed according to the distance requirements for assembly, ensuring that when the convex ring 41 of the down-pressure column 4 moves to the bottom of the down-pressure chamber 11, the down-pressure column 4 just pushes the hydraulic tappet 7 out of the guide column 2 and presses it into the hydraulic tappet hole 81 of the engine 8. At the same time, when the convex ring 41 moves to the top of the down-pressure chamber 11, the down-pressure column 4 is reset to free up the space at the bottom of the guide column 2 for installing the hydraulic tappet 7.

[0029] The main body 1 comprises a bottom shell 13 and a cover 14, the bottom shell 13 is connected to the guide column 2, the downward pressure chamber 11 is arranged in the bottom shell 13, the downward pressure hole 12 is arranged on the cover 14, after the convex ring 41 of the downward pressure column 4 is placed in the downward pressure chamber 11, the cover 14 is sleeved on the downward pressure column 4 through the downward pressure hole 12, and the cover 14 and the bottom shell 13 are connected by fasteners. The main body 1 adopts a split structure of the bottom shell 13 and the cover 14, which facilitates the assembly of the device. During assembly, the spring is first sleeved on the downward pressure column 4 located below the convex ring 41, and then the bottom of the downward pressure column 4 is inserted into the guide column 2, at which time the spring and the convex ring 41 are located in the bottom shell 13, and then the cover 14 is sleeved on the downward pressure column 4 located above the convex ring 41 through the downward pressure hole 12, and the spring is slightly squeezed to make the cover 14 fit with the bottom shell 13, and then fixed with fasteners.

[0030] The top of the lower pressure column 4 is fixedly connected to the lower pressure block 3 by a fastener. The fastener can be a bolt. In order to facilitate maintenance, installation and adjustment, the whole device adopts a simple mechanical structure and bolt connection and fastening. The mechanical structure is simple, which is convenient for maintenance, installation, disassembly and adjustment.

[0031] The auxiliary installation device of the hydraulic tappet of the hybrid engine also includes a sealing ring 6. A sealing groove 22 is provided on the inner wall of the bottom of the guide column 2. The sealing ring 6 is embedded in the sealing groove 22. The guide column 2 clamps the hydraulic tappet 7 through the sealing ring 6. Figure 5 It can be seen that the hydraulic tappet is clamped at the bottom of the guide column 2 by the O-ring 6. The sealing ring 6 is embedded in the sealing groove 22 on the inner wall of the guide column 2, and the hydraulic tappet is clamped by the interference fit of the O-ring 6. The hydraulic tappet itself has a limiting structure for cooperating with the sealing ring 6 to play a fixing role.

[0032] The positions of the multiple guide pillars 2 on the main body 1 correspond to the positions of the multiple lower pressure pillars 4 on the lower pressure block 3. According to the number of hydraulic tappets 7 to be assembled and the positional relationship of the assembly, the positional relationship between the multiple guide pillars 2 and the lower pressure pillars 4 is designed to meet the requirements of simultaneously installing multiple hydraulic tappets 7. Figure 3 As shown, the utility model can adopt a structural relationship of four guide pillars 2 and a lower pressure pillar 4 arranged side by side.

[0033] The auxiliary installation device of the hydraulic tappet 7 has a simple structure, does not occupy the space of the original equipment of the production line, and does not need to move and modify the original equipment; the non-standard parts of the auxiliary tooling of the hydraulic tappet 7 are made of material 7075, and the non-standard parts and standard parts are connected into a device through bolts. According to industry comparative analysis, the material hardness is lower than that of the hydraulic tappet 7 and will not damage the hydraulic tappet 7. This ensures the stability of the device, is easy to install, and the parts are easy to make or purchase independently.

[0034] The operation process of the auxiliary installation device is as follows: under normal conditions, the lower pressure column 4 is reset under the action of the spring, and a hole is left at the bottom of the guide column 2. First, take the hydraulic tappet parts in the material box, insert multiple hydraulic tappets 7 one by one into the sealing ring 6 at the bottom of the guide column 2 and fix them, hold the main body 1 and move it to the engine 8, and align the hydraulic tappet 7 on the guide column 2 with the hydraulic tappet hole 81 on the engine 8, manually press the lower pressure block 3 and drive multiple lower pressure columns 4 at the same time, the lower pressure column 4 overcomes the elastic force of the spring and moves downward along the guide column 2 and pushes the hydraulic tappet 7 out of the bottom of the guide column 2 and then presses it into the hydraulic tappet hole 81 of the engine 8 to complete the assembly. Finally, withdraw the force pressing the lower pressure block 3, and the lower pressure column 4 is reset under the action of the spring. At this time, the next group of hydraulic tappets 7 can be assembled.

[0035] Through the auxiliary installation device of the hydraulic tappet 7, multiple hydraulic tappets 7 can be installed at the same time, which effectively solves the bottleneck position of the production line, improves the installation efficiency of the hydraulic tappet 7, has strong adaptability and simple operation. According to the technical requirements of the auxiliary installation device, parameter calculation is performed to determine the distance of each aperture. The mechanical structure is simple and easy to repair, install, disassemble and adjust. The auxiliary installation device has a simple tooling structure and good effectiveness in improving cleanliness. It can be widely promoted in various hydraulic tappet 7 installation processes.

[0036] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An auxiliary installation device for a hybrid engine hydraulic tappet, characterized in that: It includes a main body, a lower pressure block, a lower pressure column, and a guide column. The main body is connected to at least one guide column, and the guide column is a hollow column structure. The lower pressure block is connected to at least one lower pressure column, one end of the lower pressure column passes through the main body and is movably connected to the guide column. The hydraulic tappet is installed at the end of the guide column. After aligning the hydraulic tappet with the hole position of the engine, the lower pressure block is pressed to push the lower pressure column out of the hydraulic tappet at the end of the guide column to complete the assembly.

2. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 1, characterized in that: The pressing column and the guide column are movably connected via an elastic member.

3. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 2, characterized in that: The pressing column is provided with a convex ring, the top of the guide column is provided with a boss, one end of the elastic member abuts on the convex ring, and the other end of the elastic member abuts on the boss.

4. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 3, characterized in that: A downward pressure chamber is provided inside the main body, a downward pressure hole is provided on the top of the main body, the bottom of the downward pressure chamber is connected to the inner cavity of the guide column, the top of the downward pressure chamber is connected to the downward pressure hole, and the convex ring is limited to move in the downward pressure chamber.

5. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 4, characterized in that: The main body includes a bottom shell and a surface cover, the bottom shell is connected to the guide column, the downward pressure chamber is arranged in the bottom shell, the downward pressure hole is arranged on the surface cover, after the convex ring of the downward pressure column is placed in the downward pressure chamber, the surface cover is put on the downward pressure column through the downward pressure hole, and the surface cover and the bottom shell are connected by fasteners.

6. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 1, characterized in that: It also includes a sealing ring. A sealing groove is provided on the inner wall of the bottom of the guide column. The sealing ring is embedded in the sealing groove. The guide column clamps the hydraulic tappet through the sealing ring.

7. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 1, characterized in that: The top of the pressing column is fixedly connected to the pressing block via a fastener.

8. The auxiliary installation device for the hydraulic tappet of a hybrid engine according to claim 1, characterized in that: The positions of the plurality of guide pillars on the main body correspond one to one with the positions of the plurality of pressing pillars on the pressing block.

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