CN210388211U

CN210388211U - Engine crankshaft front oil seal press-fitting mechanism

Info

Publication number: CN210388211U
Application number: CN201921007736.6U
Authority: CN
Inventors: 张艾依丹
Original assignee: Nanchang Yuxiang Metal Technology Co Ltd
Current assignee: Nanchang Yuxiang Metal Technology Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-24
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses an oil blanket pressure equipment mechanism before engine crankshaft, the on-line screen storage device comprises a base, two backup pads of the up end symmetry fixedly connected with of base, two the common fixedly connected with roof of up end of backup pad, the bottom face fixed mounting of roof has telescopic cylinder, telescopic cylinder's lower extreme passes through piston rod fixedly connected with fixed plate, two mounting panels of the bottom face symmetry fixedly connected with of fixed plate, two the spring groove has all been seted up to the relative one side of mounting panel, every equal vertical fixedly connected with slide bar in the spring groove. The utility model discloses, the clamp plate carries out the pressure equipment to the oil blanket to the up end contact of oil blanket, has avoided the oil blanket to drop, has impeld the process of oil blanket pressure equipment, and simultaneously, the in-process that the fixed plate moved down, the pulley through both ends is at spacing inslot lapse, has fine limiting displacement to the removal of fixed plate, has avoided the skew that the in-process that the fixed plate moved down appears the position, has improved the accuracy of sealing.

Description

Engine crankshaft front oil seal press-fitting mechanism

Technical Field

The utility model relates to the technical field of engines, especially, relate to an oil blanket pressure equipment mechanism before engine crankshaft.

Background

The engine is a machine capable of converting other forms of energy into mechanical energy, and comprises an internal combustion engine (such as a gasoline engine), an external combustion engine (such as a stirling engine and a steam engine) and an electric motor, for example, the internal combustion engine usually converts chemical energy into mechanical energy, the engine is suitable for a power generation device, and can also refer to the whole machine comprising a power device, the engine is originally born in the uk, so the concept of the engine is derived from english, the meaning of the engine refers to the mechanical device for generating power, and as the production of the engine is increased, the requirement on a front oil sealing press-mounting mechanism of a crankshaft of the engine is also increased.

However, when the existing crankshaft front oil seal press-fitting mechanism presses and fits the front oil seal, the oil seal is easy to fall off when the pressure head touches the front oil seal, so that press-fitting failure is caused, the oil seal needs to be placed on the crankshaft of the engine again for press-fitting, and the press-fitting process is delayed.

Therefore, the engine crankshaft front oil seal press-fitting mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: however, when the existing crankshaft front oil seal press-fitting mechanism presses and fits the front oil seal, the oil seal is easy to fall off when the pressure head touches the front oil seal, so that press-fitting failure is caused, the oil seal needs to be placed on the crankshaft of the engine again for press-fitting, and the press-fitting process is delayed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a front oil seal press-fitting mechanism of an engine crankshaft comprises a base, wherein two supporting plates are symmetrically and fixedly connected to the upper end face of the base, a top plate is fixedly connected to the upper end faces of the two supporting plates together, a telescopic cylinder is fixedly mounted on the bottom end face of the top plate, a fixed plate is fixedly connected to the lower end of the telescopic cylinder through a piston rod, two mounting plates are symmetrically and fixedly connected to the bottom end face of the fixed plate, spring grooves are formed in opposite sides of the two mounting plates, a sliding rod is vertically and fixedly connected to each spring groove, a sliding block is connected to each sliding rod in a sliding mode, each sliding block is connected to each spring groove in a sliding mode, a spring is sleeved on each sliding rod, the upper end of each spring is fixedly connected to the upper end face of each spring groove, the lower end of each spring is fixedly connected to the upper end face of each sliding block, and, the clamping grooves are formed in the lower side wall of one end, opposite to the limiting plates, of the two limiting plates, and the pressing plate is fixedly connected to the center of the bottom end face of the fixing plate.

Preferably, two the spacing groove has all been seted up to the relative one side of backup pad, both ends rotate through the connecting plate respectively about the fixed plate and are connected with the pulley, every the equal sliding connection of pulley is in the spacing groove.

Preferably, an engine crankshaft is fixedly mounted on the upper end face of the base, and an oil seal is arranged on the upper end face of the engine crankshaft.

Preferably, the clamping groove in the limiting plate is matched with the oil seal.

Preferably, the center of the upper end face of the base is provided with a fixing groove, and the engine crankshaft is placed in the fixing groove.

Preferably, the pressure plate is located right above the oil seal, and the bottom end face of the pressure plate is provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that:

the telescopic cylinder pushes the fixed plate downwards through the piston rod to further drive the press plate to move downwards and drive the mounting plate to move downwards, before the press plate presses the oil seal, the two limiting plates press the edge of the oil seal firstly to fix the position of the oil seal, the limiting plates can drive the slide block to slide upwards on the slide rod along with the pressing of the fixed plate, and further compress the spring, meanwhile, the elasticity of the spring can also act on the limiting plates through the slide block, so that the limiting plates tightly abut against the oil seal, the position of the oil seal is further fixed until the upper end face of the oil seal is contacted with the press plate to press and mount the oil seal, the falling of the oil seal is avoided, the process of press and mounting of the oil seal is promoted, meanwhile, in the process of moving downwards of the fixed plate, the pulleys at the two ends slide downwards in the limiting grooves, a good limiting effect is achieved on the movement of the fixed plate, the accuracy of sealing pressure is improved.

Drawings

Fig. 1 is a schematic front structural view of a press-fitting mechanism for a front oil seal of an engine crankshaft provided by the present invention;

fig. 2 is a partially enlarged structural diagram of a in fig. 1.

In the figure: the engine comprises a supporting plate 1, a limiting groove 2, a pulley 3, a telescopic cylinder 4, a top plate 5, a piston rod 6, a pressing plate 7, a limiting plate 8, an engine crankshaft 9, an oil seal 10, a fixing plate 11, a mounting plate 12, a base 13, a spring 14, a spring groove 15, a sliding rod 16 and a sliding block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an engine crankshaft front oil seal press-fitting mechanism comprises a base 13, wherein two support plates 1 are symmetrically and fixedly connected to the upper end surface of the base 13, a top plate 5 is fixedly connected to the upper end surfaces of the two support plates 1 together, a telescopic cylinder 4 is fixedly installed on the bottom end surface of the top plate 5, a fixed plate 11 is fixedly connected to the lower end of the telescopic cylinder 4 through a piston rod 6, two mounting plates 12 are symmetrically and fixedly connected to the bottom end surface of the fixed plate 11, spring grooves 15 are respectively formed in opposite sides of the two mounting plates 12, a slide rod 16 is vertically and fixedly connected to each spring groove 15, a slide block 17 is slidably connected to each slide rod 16, each slide block 17 is slidably connected to each spring groove 15, each slide rod 16 is sleeved with a spring 14, the upper end of each spring 14 is fixedly connected to the upper end surface of each spring groove 15, and the lower, equal fixedly connected with limiting plate 8 in one side that two sliders 17 are relative, the draw-in groove has all been seted up to the lateral wall under the relative one end of two limiting plates 8, fixedly connected with clamp plate 7 is located at the center of 11 bottom faces of fixed plate, spacing groove 2 has all been seted up to 1 relative one side of two backup pads, both ends are rotated through the connecting plate respectively and are connected with pulley 3 about fixed plate 11, the equal sliding connection of every pulley 3 is in spacing groove 2, base 13's up end fixed mounting has engine crankshaft 9, engine crankshaft 9's up end is provided with oil blanket 10, draw-in groove and oil blanket 10 phase-match on the limiting plate 8, the fixed slot has been seted up to the center department of base 13 up end, engine crankshaft 9 places in the fixed slot, clamp plate 7 is located oil blanket.

In the utility model, when the user uses the device, the telescopic cylinder 4 pushes the fixed plate 11 downwards through the piston rod 6, and then drives the pressing plate 7 to move downwards, and drives the mounting plate 12 to move downwards, before the pressing plate 7 presses the oil seal 10, two limiting plates 8 press the edge of the oil seal 10 first, and fix the position of the oil seal 10, along with the pressing of the fixed plate 11, the limiting plates 8 can drive the sliding block 17 to slide upwards on the sliding rod 16, and then compress the spring 14, meanwhile, the elastic force of the spring 14 can also act on the limiting plates 8 through the sliding block 17, so that the limiting plates 8 tightly abut against the oil seal 10, further fix the position of the oil seal 10, until the pressing plate 7 presses the oil seal 10 by contacting the upper end face of the oil seal 10, thereby avoiding the falling of the oil seal 10, and promoting the process of the pressing of the oil seal 10, meanwhile, during the downward movement of the fixed plate 11, the pulleys 3 at both ends slide downwards in the limiting, the movement of the fixing plate 11 is well limited, the position deviation in the downward movement process of the fixing plate 11 is avoided, and the sealing accuracy is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oil blanket pressure equipment mechanism before engine crankshaft, includes base (13), its characterized in that, the up end symmetry fixedly connected with two backup pads (1) of base (13), two the common fixedly connected with roof (5) of up end of backup pad (1), telescopic cylinder (4) are installed to the bottom face fixed mounting of roof (5), the lower extreme of telescopic cylinder (4) is through piston rod (6) fixedly connected with fixed plate (11), the bottom face symmetry fixedly connected with two mounting panels (12) of fixed plate (11), two spring groove (15) have all been seted up to one side that mounting panel (12) are relative, every equal vertical fixedly connected with slide bar (16) in spring groove (15), every equal sliding connection has slider (17) on slide bar (16), every slider (17) all sliding connection is in spring groove (15), every all the cover is equipped with spring (14), every on slide bar (16) the equal fixed connection in the up end of spring groove (15), every of upper end of spring (14) the equal fixed connection in the up end of slider (17) of lower extreme of spring (14), two the equal fixedly connected with limiting plate (8) in one side that slider (17) is relative, two the draw-in groove has all been seted up to the lateral wall under the relative one end of limiting plate (8), fixedly connected with clamp plate (7) are located at the center of fixed plate (11) bottom face.

2. The engine crankshaft front oil seal press-fitting mechanism according to claim 1, characterized in that, one side of each of two support plates (1) opposite to each other is provided with a limiting groove (2), the left and right ends of the fixed plate (11) are respectively rotatably connected with pulleys (3) through connecting plates, and each pulley (3) is slidably connected in the limiting groove (2).

3. The engine crankshaft front oil seal press-fitting mechanism is characterized in that the upper end face of the base (13) is fixedly provided with an engine crankshaft (9), and the upper end face of the engine crankshaft (9) is provided with an oil seal (10).

4. The press-fitting mechanism for the front oil seal of the engine crankshaft as claimed in claim 1, wherein the clamping groove on the limiting plate (8) is matched with the oil seal (10).

5. The engine crankshaft front oil seal press-fitting mechanism is characterized in that a fixing groove is formed in the center of the upper end face of the base (13), and the engine crankshaft (9) is placed in the fixing groove.

6. The press-fitting mechanism for the front oil seal of the engine crankshaft as claimed in claim 1, wherein the pressure plate (7) is located right above the oil seal (10), and the bottom end face of the pressure plate (7) is provided with anti-skid threads.