CN220162294U

CN220162294U - Engine assembly oil seal supporting and positioning device

Info

Publication number: CN220162294U
Application number: CN202321417227.7U
Authority: CN
Inventors: 孙嘉文
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-12-12
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses an engine assembly oil seal supporting and positioning device, and particularly relates to the technical field of engine oil seal assembly. According to the utility model, the compression frame is driven to move upwards through the threaded rod, so that the pressure of the compression frame on the oil seal is uniform, the oil seal can be uniformly and stably pressed into the oil seal mounting groove, the situation that the oil seal is deformed or damaged in a lip due to uneven position inclination or stress during assembly is avoided, the sealing performance of the assembled oil seal is better, the service life is longer, and the assembly quality is better.

Description

Engine assembly oil seal supporting and positioning device

Technical Field

The utility model relates to the technical field of engine oil seal assembly, in particular to an engine oil seal assembly supporting and positioning device.

Background

In the process of engine installation, an oil seal is required to be installed on a valve of an engine, and parts which need to be lubricated in transmission parts are isolated from the external environment, so that the problem that the engine cannot be used normally due to leakage of lubricating oil is avoided. Proper installation of the engine oil seal is therefore important.

At present, when the engine oil seal is assembled, due to the fact that the assembly level of workers is different, when the oil seal is assembled, the situation that the oil seal framework is deformed or the lips are damaged due to the fact that the placement positions are inclined or the applied pressure is uneven easily occurs, and the sealing performance and the service life of the oil seal are greatly reduced. In the supporting and positioning tool for the engine assembly oil seal, which is disclosed in the patent publication No. CN218837481U, the oil seal is mounted on the supporting and positioning block through the guide block, and the oil seal on the supporting and positioning block is accurately mounted in an oil seal groove of an engine crankshaft structure through positioning of a pin, so that the operation is simple and labor-saving, and the mounting efficiency and the mounting quality are greatly improved.

But strike the compact heap through the rubber hammer in the device and come to impress the oil blanket to the oil seal inslot, in order to make the compact heap evenly disperse to the impact force of oil blanket, this needs the assembly workman to strike the position near the central point of compact heap, still needs the workman to have more assembly experience to accomplish, when the workman strikes in the border position of compact heap, still can cause the oil blanket skeleton to warp or the lip to appear the condition of damage, this can make the sealing performance and the life of oil blanket reduce.

Therefore, it is necessary to invent an engine-mounted oil seal supporting and positioning device to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an engine assembly oil seal supporting and positioning device, which drives a compression frame to move upwards through a threaded rod, so that the pressure of the compression frame on an oil seal is uniform, the oil seal can be uniformly and stably pressed into an oil seal mounting groove, the situation that a framework is deformed or a lip is damaged due to uneven position inclination or stress when the oil seal is assembled is avoided, the sealing performance of the assembled oil seal is better, the service life is longer, and the assembly quality is better, so that the defects in the technology are overcome.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an engine assembly oil blanket supports positioner, includes outside fixed frame and engine bent axle structure and sets up the oil blanket mounting groove on engine bent axle structure, outside fixed frame is inside to be equipped with to compress tightly the frame, compress tightly the frame outer end and contact with outside fixed frame inner wall, compress tightly the inside fixed locating piece that is equipped with of frame, fixed locating piece outer end and compress tightly the frame inner wall and contact, fixed locating piece one end outside is equipped with the oil blanket, the oil blanket outer end contacts with outside fixed frame top inner wall, outside fixed frame bottom rotates and is connected with the threaded rod, the threaded rod top passes outside fixed frame bottom and compresses tightly the frame bottom and rotates with fixed locating piece bottom between to be connected, threaded rod and compress tightly threaded connection between the frame.

Preferably, the outside of threaded rod bottom is fixed and is equipped with three rotation holding rod, is convenient for drive the threaded rod and rotates for the rotation of threaded rod is comparatively laborsaving.

Preferably, the top end of the fixed positioning block is provided with a guide block, and the top end of the guide block is provided with an arc conical surface, so that the oil jacket is conveniently sleeved at the outer end of the fixed positioning block.

Preferably, the top end of the fixed positioning block is fixedly provided with two positioning pins, the bottom end of the guide block is provided with two connecting grooves corresponding to the positioning pins, and the positioning pins are arranged in the connecting grooves, so that the guide block is conveniently positioned and fixed, and the outer ends of the guide block and the fixed positioning block are overlapped.

Preferably, two positioning grooves corresponding to the positioning pins are formed in the engine crankshaft structure, and the positioning grooves are formed in the inner side of the oil seal mounting groove, so that the oil seal assembly position can be conveniently positioned, and the fixed positioning blocks can be conveniently limited on the engine crankshaft structure.

Preferably, the outer end face of the outer fixing frame is an anti-slip face, so that slipping is prevented when the outer fixing frame is held by hands.

In the technical scheme, the utility model has the technical effects and advantages that:

the screw rod drives the compression frame to move upwards, so that the compression frame is even in pressure to the oil seal, the oil seal can be pressed into the oil seal mounting groove uniformly and stably, the situation that the oil seal is deformed or damaged in lips due to uneven position inclination or stress during assembly is avoided, the sealing performance of the assembled oil seal is good, the service life is long, and the assembly quality is good.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an overall schematic explosion diagram of the present utility model;

FIG. 3 is a schematic view of the overall perspective cross-sectional structure of the present utility model;

fig. 4 is an overall elevation view of the present utility model.

Reference numerals illustrate:

1. an external fixing frame; 2. a compression frame; 3. fixing the positioning block; 4. an oil seal; 5. a threaded rod; 6. an engine crankshaft structure; 7. an oil seal mounting groove; 8. rotating the grip; 9. a guide block; 10. a positioning pin; 11. a connecting groove; 12. and a positioning groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides an engine assembly oil seal supporting and positioning device as shown in figures 1-4, which comprises an external fixed frame 1, an engine crankshaft structure 6 and an oil seal mounting groove 7 arranged on the engine crankshaft structure 6, wherein the outer end face of the external fixed frame 1 is an anti-slip face, a compression frame 2 is arranged in the external fixed frame 1, the outer end of the compression frame 2 is contacted with the inner wall of the external fixed frame 1, a fixed positioning block 3 is arranged in the compression frame 2, the outer end of the fixed positioning block 3 is contacted with the inner wall of the compression frame 2, an oil seal 4 is arranged at the outer side of one end of the fixed positioning block 3, the outer end of the oil seal 4 is contacted with the inner wall of the top end of the external fixed frame 1, the bottom end of the external fixed frame 1 is rotationally connected with a threaded rod 5, the top end of the threaded rod 5 penetrates through the bottom end of the external fixed frame 1 and the bottom end of the compression frame 2 and is rotationally connected with the bottom end of the fixed positioning block 3, the threaded rod 5 is in threaded connection with the compression frame 2, and three rotary holding rods 8 are fixedly arranged at the outer side of the bottom end of the threaded rod 5.

The top of the fixed positioning block 3 is provided with a guide block 9, the top of the guide block 9 is provided with an arc conical surface, the top of the fixed positioning block 3 is fixedly provided with two positioning pins 10, the bottom of the guide block 9 is provided with two connecting grooves 11 corresponding to the positioning pins 10, the positioning pins 10 are arranged in the connecting grooves 11, the engine crankshaft structure 6 is provided with two positioning grooves 12 corresponding to the positioning pins 10, and the positioning grooves 12 are arranged on the inner side of the oil seal mounting groove 7.

The outer end of the guide block 9, the outer end of the fixed positioning block 3 and the inner wall of the top end of the external fixed frame 1 are coated with lubricating oil, then the oil seal 4 is downwards sleeved between the outer end of the fixed positioning block 3 and the inner wall of the top end of the external fixed frame 1 from the arc conical surface of the guide block 9, then the guide block 9 is taken down from the top end of the fixed positioning block 3, the positioning pin 10 at the top end of the fixed positioning block 3 is inserted into the positioning groove 12 on the engine crankshaft structure 6, at the moment, the oil seal 4 can be aligned with the outer opening of the oil seal mounting groove 7, the external fixed frame 1 is held, the holding rod 8 is rotated, the threaded rod 5 is driven to rotate by the holding rod 8, and the pressing frame 2 moves upwards along with the rotation of the threaded rod 5 due to the threaded connection between the threaded rod 5, the pressing frame 2 can uniformly press the oil seal 4 into the oil seal mounting groove 7, and thus the assembly of the oil seal 4 is completed.

According to the utility model, the compression frame 2 is driven to move upwards through the threaded rod 5, so that the pressure of the compression frame 2 on the oil seal 4 is uniform, the oil seal 4 can be uniformly and stably pressed into the oil seal mounting groove 7, the situation that the oil seal 4 is deformed or damaged by a framework due to inclination of the position or uneven stress during assembly is avoided, the assembled oil seal 4 has good sealing performance and long service life, the assembly quality is good, the problem that the sealing performance and service life of the oil seal are reduced due to the fact that the oil seal is pressed into an oil seal groove by a pressing block in an assembly device through a rubber hammer in order to uniformly disperse the impact force of the pressing block on the oil seal is solved, the situation that the assembling worker needs to have more assembly knocking experience is solved, and the situation that the framework of the oil seal is deformed or damaged by the lip is still caused when the worker is positioned at the edge of the pressing block is solved.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an engine assembly oil blanket supports positioner, includes outside fixed frame (1) and engine crankshaft structure (6) and sets up oil blanket mounting groove (7) on engine crankshaft structure (6), its characterized in that: the novel pressing frame is characterized in that a pressing frame (2) is arranged inside the outer fixing frame (1), the outer end of the pressing frame (2) is in contact with the inner wall of the outer fixing frame (1), a fixed positioning block (3) is arranged inside the pressing frame (2), the outer end of the fixed positioning block (3) is in contact with the inner wall of the pressing frame (2), an oil seal (4) is arranged outside one end of the fixed positioning block (3), the outer end of the oil seal (4) is in contact with the inner wall of the top end of the outer fixing frame (1), a threaded rod (5) is rotationally connected to the bottom end of the outer fixing frame (1), the top end of the threaded rod (5) penetrates through the bottom end of the outer fixing frame (1) and is rotationally connected with the bottom end of the fixed positioning block (3), and the threaded rod (5) is in threaded connection with the bottom end of the pressing frame (2).

2. The engine mount oil seal support positioning device according to claim 1, wherein: three rotary holding rods (8) are fixedly arranged at the outer side of the bottom end of the threaded rod (5).

3. The engine mount oil seal support positioning device according to claim 1, wherein: the top end of the fixed positioning block (3) is provided with a guide block (9), and the top end of the guide block (9) is provided with an arc conical surface.

4. An engine assembly oil seal support positioning device according to claim 3, wherein: the top end of the fixed positioning block (3) is fixedly provided with two positioning pins (10), the bottom end of the guide block (9) is provided with two connecting grooves (11) corresponding to the positioning pins (10), and the positioning pins (10) are arranged in the connecting grooves (11).

5. The engine mount oil seal support positioning device according to claim 1, wherein: two positioning grooves (12) corresponding to the positioning pins (10) are formed in the engine crankshaft structure (6), and the positioning grooves (12) are formed in the inner side of the oil seal mounting groove (7).

6. The engine mount oil seal support positioning device according to claim 1, wherein: the outer end face of the outer fixing frame (1) is an anti-slip face.