Tool for installing tappet of high-pressure oil pump of engine

Abstract

The utility model relates to the technical field of high-pressure oil pump tappets, and discloses a tool for installing an engine high-pressure oil pump tappet, which comprises an oil pump tappet and a magnetic suction connecting block, the lower end of the magnetic suction connecting block is in threaded connection with an installation tool, and the oil pump tappet is in magnetic suction connection with the inner wall surface of the upper end of the magnetic suction connecting block. According to the tool for installing the tappet of the high-pressure oil pump of the engine, a second spiral spring, a connecting piece, a metal sliding rod and the like are arranged, an efficient and flexible operation mechanism is achieved, the connecting piece can smoothly slide on the surface of the metal sliding rod, and therefore the position of a metal plate can be accurately adjusted; by means of the design, the tool can easily cope with oil pumps of different depths, tools of different specifications do not need to be frequently replaced, the oil pump tappet installation efficiency and convenience are remarkably improved, in addition, the innovative design is beneficial for prolonging the service life of the tool, and long-term stable performance of the tool is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure oil pump tappets, in particular to a tool used for installing the high-pressure oil pump tappets of engines. Background Art

[0002] The oil pump tappet, also known as the oil pump tappet or pump tappet, is a mechanical device used in automobile engines. Its main function is to guide the high-pressure oil generated by the oil pump to various parts that need lubrication, such as valve rocker arms, camshafts, etc. during engine operation.

[0003] The prior art discloses a tool for installing an engine high-pressure oil pump tappet with application number: CN201720465928.6, which includes a core shaft push rod and a main shaft positioning rod. When using this tool, the end face of the tappet with the pit is installed on the main shaft positioning rod, and the magnetic column can adsorb the tappet on the main shaft positioning rod. By utilizing the guiding function of the main shaft positioning rod, the tappet can be quickly installed into the camshaft cover in the correct direction. When the rubber gasket contacts the surface of the high-pressure oil pump mounting hole, the core shaft push rod is pressed forward by hand at the same time, and the upper end of the core shaft push rod extends to push the tappet away from the adsorption of the magnetic column, and the tool is taken out, thus achieving the correct installation of the tappet. This solution solves the problem of the prior art that the tappet is easily installed upside down during installation.

[0004] The outer surface of the upper end of the above-mentioned main shaft positioning rod is provided with an external boss, and the external boss is connected to the connecting port of the engine high-pressure oil pump, so that the oil pump tappet can be installed. When facing oil pumps of different depths, it is necessary to replace different specifications of tooling, which is more troublesome. Utility Model Content

[0005] The utility model aims to provide a tool for installing a tappet of an engine high-pressure oil pump, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool for installing an engine high-pressure oil pump tappet, comprising an oil pump tappet and a magnetic connection block, the lower end of the magnetic connection block being threadedly connected to the installation tool, and the oil pump tappet being magnetically connected to the inner wall surface of the upper end of the magnetic connection block.

[0007] The installation tool includes a hexagonal nut, a connecting push rod, a coil spring and an adjustment component. The coil spring is fixedly connected to the upper end of the connecting push rod, the hexagonal nut is threadedly connected to the upper end of the connecting push rod, and the adjustment component is installed on the upper end surface of the connecting push rod.

[0008] Preferably, the adjustment assembly includes a metal plug, a connecting metal plate, a connecting piece, a fixed threaded rod, a metal connecting ring, a metal sliding rod, a second coil spring and a metal cylinder, the connecting metal plate is connected to the upper end surface of the metal cylinder, the fixed threaded rod is fixedly connected to the bottom end surface of the connecting metal plate, the connecting metal plate is connected to the top end surface of the metal connecting ring, the metal plug is inserted into the lower end of the metal connecting ring, the connecting piece is movably connected to the upper end surface of the metal sliding rod, and the connecting piece is fixedly connected to the top end surface of the second coil spring.

[0009] Preferably, there are two metal sliding rods, which are distributed on the left and right, and are fixedly connected to the inner bottom surface and the bottom and top surfaces of the metal cylinder. The two metal sliding rods can ensure the balance of the metal connecting ring.

[0010] Preferably, the fixed threaded rod is threadedly connected to the upper end of the metal connecting ring, and the metal connecting ring is movably connected to the surface of the metal plug block. A hexagonal nut is rotated on the threaded end surface of the fixed threaded rod, and the hexagonal nut rotates on the threaded end surface of the fixed threaded rod, thereby being able to threadably fix the metal connecting ring and the connecting metal plate.

[0011] Preferably, the metal cylinder is movably connected to the surface of the magnetic connection block, and the metal cylinder is movably connected to the surface of the connecting push rod. The lower end of the magnetic connection block is fixedly connected with a threaded rod, and the threaded rod is inserted into the upper end of the connecting push rod. The surface of the threaded rod is threadedly connected with a hexagonal nut 1, and the hexagonal nut 1 can threadably fix the magnetic connection block and the connecting push rod.

[0012] Preferably, the coil spring 1 is movably connected to the bottom surface of the magnetic connection block, and the connecting push rod is threadedly connected to the lower end of the magnetic connection block. When the coil spring starts to rebound, the coil spring 1 can push the magnetic connection block to move upward, so that the coil spring 1 is separated from the connecting push rod.

[0013] Preferably, the second coil spring is fixedly connected to the bottom surface of the metal cylinder, and the metal slide bar is located inside the second coil spring. When the second coil spring starts to rebound, the second coil spring can push the connecting piece to move upward, thereby adjusting the position of the connecting piece.

[0014] Preferably, there are two connecting members, and the two connecting members are distributed on the left and right.

[0015] Preferably, there are two coil springs 2, which are distributed left and right, and a connecting push rod is provided between the two coil springs 2.

[0016] Preferably, the connecting piece is movably connected to the surface of the metal cylinder.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The tooling for installing the engine high-pressure oil pump tappet has an efficient and flexible operating mechanism by providing a coil spring, a connecting piece and a metal slide bar. The connecting piece can slide smoothly on the surface of the metal slide bar, thereby realizing precise adjustment of the position of the metal plate. This design enables the tooling to easily cope with oil pumps of different depths without the need to frequently replace tooling of different specifications, which significantly improves the efficiency and convenience of the oil pump tappet installation. In addition, this innovative design also helps to extend the service life of the tooling and ensures its long-term stable performance.

[0019] 2. The tooling for installing the engine high-pressure oil pump tappet is provided with a metal plug, a connecting piece and a metal connecting ring. The metal plug is inserted into the connecting piece and the metal connecting ring, which facilitates the removal and replacement of the metal connecting ring. Metal plates of different specifications can be used to connect, thereby increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0021] Figure 2 It is a front view schematic diagram of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the cross section at AA;

[0023] Figure 4 This is a schematic diagram of the upper end of the installation tool section of the utility model

[0024] Figure 5 For this utility model Figure 4 A local enlarged schematic diagram of the structure at point A in the figure.

[0025] In the figure: 1. Installation tool; 11. Hexagonal nut one; 12. Connecting push rod; 13. Coil spring one; 14. Adjustment assembly; 141. Metal plug block; 142. Connecting metal plate; 143. Connecting piece; 144. Fixed threaded rod; 145. Metal connecting ring; 146. Metal sliding rod; 147. Coil spring two; 148. Metal cylinder; 2. Oil pump tappet; 3. Magnetic connection block. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5 , the utility model provides the following technical solutions:

[0028] A tool for installing an engine high-pressure oil pump tappet comprises an oil pump tappet 2 and a magnetic connection block 3, wherein the lower end of the magnetic connection block 3 is threadedly connected with the installation tool 1, and the oil pump tappet 2 is magnetically connected to the inner wall surface of the upper end of the magnetic connection block 3.

[0029] The installation tool 1 includes a hexagonal nut 11, a connecting push rod 12, a coil spring 13 and an adjustment assembly 14. The coil spring 13 is fixedly connected to the upper end of the connecting push rod 12, and the coil spring 13 is movably connected to the bottom end surface of the magnetic connection block 3. The connecting push rod 12 is threadedly connected to the lower end of the magnetic connection block 3. The coil spring 13 starts to rebound, and the coil spring 13 can push the magnetic connection block 3 to move upward, so that the coil spring 13 is separated from the connecting push rod 12. The hexagonal nut 11 is threadedly connected to the upper end of the connecting push rod 12, and the adjustment assembly 14 is installed on the upper end surface of the connecting push rod 12.

[0030] The adjustment assembly 14 includes a metal plug block 141, a connecting metal plate 142, a connecting piece 143, a fixed threaded rod 144, a metal connecting ring 145, a metal sliding rod 146, a spiral spring 147 and a metal cylinder 148. The connecting metal plate 142 is connected to the upper end surface of the metal cylinder 148, the connecting piece 143 is movably connected to the surface of the metal cylinder 148, the metal cylinder 148 is movably connected to the surface of the magnetic connection block 3, the metal cylinder 148 is movably connected to the surface of the connecting push rod 12, and the lower end of the magnetic connection block 3 is fixedly connected to a threaded rod, which is inserted into the connecting rod. At the upper end of the push rod 12, the surface of the threaded rod is threadedly connected with a hexagonal nut 11, and the hexagonal nut 11 can threadably fix the magnetic connection block 3 and the connecting push rod 12, and the fixed threaded rod 144 is fixedly connected to the bottom end surface of the connecting metal plate 142, and the fixed threaded rod 144 is threadedly connected to the upper end of the metal connecting ring 145, and the metal connecting ring 145 is movably connected to the surface of the metal plug block 141, and a hexagonal nut is rotated on the threaded end surface of the fixed threaded rod 144, and the hexagonal nut rotates on the threaded end surface of the fixed threaded rod 144, so that the metal connecting ring 145 can be fixed. The metal plate 142 is threadedly fixed thereto, the metal plate 142 is connected to the top surface of the metal connecting ring 145, the metal plug block 141 is plugged into the lower end of the metal connecting ring 145, the connecting piece 143 is movably connected to the upper surface of the metal sliding rod 146, the number of the metal sliding rods 146 is two, the two metal sliding rods 146 are distributed on the left and right, the two metal sliding rods 146 are fixedly connected to the inner bottom surface and the bottom top surface of the metal cylinder 148, the two metal sliding rods 146 can ensure the balance of the metal connecting ring 145, and the connecting piece 143 is fixedly connected to The top surface of the coil spring 147, the coil spring 147 is fixedly connected to the bottom surface inside the metal cylinder 148, the metal slide bar 146 is located inside the coil spring 147, the coil spring 147 starts to rebound, the coil spring 147 can push the connecting piece 143 to move upward, the position of the connecting piece 143 can be adjusted, the number of the connecting piece 143 is two, the two connecting pieces 143 are distributed on the left and right, the number of the coil spring 147 is two, the two coil springs 147 are distributed on the left and right, and a connecting push rod 12 is arranged between the two coil springs 147.

[0031] When in use, push the magnetic connection block 3 downward, the threaded rod on the bottom surface of the magnetic connection block 3 is inserted into the upper end of the connecting push rod 12, and then turn the hexagonal nut 11. The hexagonal nut 11 rotates on the threaded end surface of the threaded rod, so that the top surface of the magnetic connection block 3 and the connecting push rod 12 are connected, and then turn the hexagonal nut 11. The hexagonal nut 11 can threadably fix the connecting push rod 12 and the magnetic connection block 3.

[0032] The connecting push rod 12 is pushed downward and inserted into the inner wall surface of the metal cylinder 148 , so that the connecting push rod 12 slides on the inner wall surface of the metal cylinder 148 , so that the magnetic connection block 3 is located inside the metal cylinder 148 .

[0033] Push the metal connecting ring 145 downward to flexibly connect the metal connecting ring 145 and the connecting piece 143 , and then push the metal plug block 141 , which can plug and fix the metal connecting ring 145 and the connecting piece 143 , thereby determining the position of the metal connecting ring 145 .

[0034] The connecting metal plate 142 is pushed to move downward, and the connecting metal plate 142 can push the fixing threaded rod 144 to move downward, and the fixing threaded rod 144 is inserted into the upper end of the metal connecting ring 145, so that the position of the metal connecting ring 145 can be preliminarily determined.

[0035] By turning the hexagonal nut, the hexagonal nut rotates on the threaded end surface of the fixed threaded rod 144, and the hexagonal nut can threadably fix the metal connecting ring 145 and the connecting metal plate 142, so that the position of the connecting metal plate 142 can be determined.

[0036] The oil pump tappet 2 is pushed downward to be inserted into the inner wall surface of the magnetic connection block 3, and the magnetic connection block 3 can magnetically connect the oil pump tappet 2.

[0037] Push the metal cylinder 148 and insert it into the high-pressure oil pump to connect the connecting metal plate 142 and the connection point, continue to push the metal cylinder 148 to make the metal cylinder 148 slide, and the connecting part 143 slides on the surface of the metal slide rod 146, so that the connecting part 143 begins to compress the coil spring 2 147. After reaching the appropriate position, push the connecting push rod 12. The connecting push rod 12 can push the magnetic connection block 3 to move forward, so that the oil pump tappet 2 at the front end of the magnetic connection block 3 is inserted into the oil pump, and the oil pump tappet 2 is installed.

[0038] Although the 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 tool for installing an engine high-pressure oil pump tappet, comprising an oil pump tappet (2) and a magnetic connection block (3), characterized in that: The lower end of the magnetic connection block (3) is threadedly connected with a mounting tool (1), and the oil pump tappet (2) is magnetically connected to the inner wall surface of the upper end of the magnetic connection block (3); The installation tool (1) comprises a hexagonal nut (11), a connecting push rod (12), a coil spring (13) and an adjustment assembly (14); the coil spring (13) is fixedly connected to the upper end of the connecting push rod (12); the hexagonal nut (11) is threadedly connected to the upper end of the connecting push rod (12); and the adjustment assembly (14) is installed on the upper end surface of the connecting push rod (12).

2. A tool for installing an engine high-pressure oil pump tappet according to claim 1, characterized in that: The adjustment component (14) comprises a metal plug (141), a connecting metal plate (142), a connecting piece (143), a fixed threaded rod (144), a metal connecting ring (145), a metal sliding rod (146), a second coil spring (147) and a metal cylinder (148); the connecting metal plate (142) is connected to the upper end surface of the metal cylinder (148); the fixed threaded rod (144) is fixedly connected to the bottom end surface of the connecting metal plate (142); the connecting metal plate (142) is connected to the top end surface of the metal connecting ring (145); the metal plug (141) is plugged into the lower end of the metal connecting ring (145); the connecting piece (143) is movably connected to the upper end surface of the metal sliding rod (146); and the connecting piece (143) is fixedly connected to the top end surface of the second coil spring (147).

3. A tool for installing a high-pressure oil pump tappet of an engine according to claim 2, characterized in that: The number of the metal slide bars (146) is two, and the two metal slide bars (146) are distributed on the left and right. The two metal slide bars (146) are fixedly connected to the inner bottom end surface and the bottom and top end surfaces of the metal cylinder (148).

4. A tool for installing a high-pressure oil pump tappet of an engine according to claim 3, characterized in that: The fixed threaded rod (144) is threadedly connected to the upper end of a metal connecting ring (145), and the metal connecting ring (145) is movably connected to the surface of the metal plug block (141).

5. A tool for installing a tappet of an engine high-pressure oil pump according to claim 4, characterized in that: The metal cylinder (148) is movably connected to the surface of the magnetic connection block (3), and the metal cylinder (148) is movably connected to the surface of the connecting push rod (12).

6. A tool for installing a tappet of an engine high-pressure oil pump according to claim 5, characterized in that: The coil spring 1 (13) is movably connected to the bottom surface of the magnetic connection block (3), and the connection push rod (12) is threadedly connected to the lower end of the magnetic connection block (3).

7. A tool for installing a tappet of an engine high-pressure oil pump according to claim 6, characterized in that: The second coil spring (147) is fixedly connected to the inner bottom surface of the metal cylinder (148), and the metal slide bar (146) is located inside the second coil spring (147).

8. The tooling for installing the engine high-pressure oil pump tappet according to claim 7, characterized in that: The number of the connecting members (143) is two, and the two connecting members (143) are distributed on the left and right.

9. A tool for installing a tappet of an engine high-pressure oil pump according to claim 8, characterized in that: The number of the second coil springs (147) is two, and the two second coil springs (147) are distributed on the left and right sides. A connecting push rod (12) is arranged between the two second coil springs (147).

10. A tool for installing a tappet of an engine high-pressure oil pump according to claim 9, characterized in that: The connecting piece (143) is movably connected to the surface of the metal cylinder (148).

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