CN216940504U

CN216940504U - Sealing ring press-mounting device

Info

Publication number: CN216940504U
Application number: CN202220362223.2U
Authority: CN
Inventors: 李帅; 王宗南; 李辰
Original assignee: Beijing Foton Cummins Engine Co Ltd
Current assignee: Beijing Foton Cummins Engine Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-12
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to the technical field of seal ring assembly, in particular to a seal ring press-fitting device. The utility model relates to a seal ring press-fitting device, comprising: the first end of the positioning seat is used for arranging a sealing ring, the pressing cylinder is connected to the outer wall of the positioning seat in a sliding mode, the first end of the operating handle is rotatably connected with the second end, opposite to the first end, of the positioning seat, the operating handle is rotated to push the pressing cylinder to move towards the first end of the positioning seat, and therefore the sealing ring is pressed and mounted to a preset position of a workpiece to be mounted. The sealing ring press-mounting device is simple in structure, can finish the press-mounting work of the sealing ring by only one operator, is convenient to use and high in mounting efficiency, and can prevent the sealing ring from being damaged by applying uniform thrust to the sealing ring through the operating handle and the pressing cylinder.

Description

Sealing ring press-mounting device

Technical Field

The utility model relates to the technical field of seal ring assembly, in particular to a seal ring press-fitting device.

Background

In the manufacturing process of mechanical workpieces and equipment, sealing rings need to be embedded into sealing part grooves of certain round parts in the related sealing devices, the traditional mounting method of the sealing rings is manual mounting, the sealing rings are stressed unevenly in the mounting process, the sealing rings are damaged, the cost is increased, and the working efficiency is also influenced. For example, there is no suitable tool to install the oil seal when replacing the crankshaft oil seal during engine rework repair. The existing installation tool is complex in operation and low in efficiency, needs more auxiliary tools such as an electric gun and a sleeve head, is easy to cause the collision damage of a crankshaft when being in contact with a metal surface of the crankshaft, and can possibly cause the scrapping of the whole part once being damaged, thereby causing potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealing ring press-mounting device, aiming at solving the technical problems that how to effectively and reliably complete the mounting of a sealing ring, the sealing ring can not be damaged, and the operation is simple, convenient and quick.

The utility model relates to a seal ring press-fitting device, which is characterized by comprising: a positioning seat, a pressing cylinder and an operating handle,

the first end of the positioning seat is used for arranging a sealing ring, the pressure cylinder is connected on the outer wall of the positioning seat in a sliding way, the first end of the operating handle is rotatably connected with the second end of the positioning seat opposite to the first end of the positioning seat,

the operation handle is rotated to push the pressing cylinder to move towards the first end of the positioning seat, so that the sealing ring is pressed and mounted at a preset position of a workpiece to be mounted.

In one embodiment, a positioning member is disposed on an end surface of the first end of the positioning seat, and correspondingly, a positioning hole matched with the positioning member is disposed on the workpiece to be mounted.

In one embodiment, the end face of the first end of the positioning seat is provided with at least two positioning pieces.

In one embodiment, the positioning seat includes a main body portion and a guide portion connected to each other, wherein the main body portion is configured in a cylindrical shape, the guide portion is configured in an elongated shape,

the sealing ring is arranged on the circumferential surface of the main body part, the first end of the pressing cylinder is opened and sleeved on the circumferential surface of the main body part, the second end of the pressing cylinder is closed, and the end surface of the pressing cylinder is provided with a guide hole matched with the guide part,

the first end of the operating handle is rotatably connected to one end of the guide portion, which is far away from the main body portion.

In one embodiment, the operating handle is provided with a pressing part at a position close to the first end of the operating handle, the extending direction of the pressing part is perpendicular to the length direction of the operating handle,

the pressing part can be contacted with the pressing barrel by rotating the operating handle, and the pressing barrel is pushed to move towards the first end of the positioning seat.

In one embodiment, the second end of the positioning seat is provided with an installation shaft, the first end of the operating handle is provided with a connecting part matched with the installation shaft, and the operating handle is rotatably connected with the installation shaft through the connecting part.

In one embodiment, a clamping groove matched with the mounting shaft is arranged on the connecting part.

In one embodiment, the connecting portion is provided with a connecting hole matched with the mounting shaft.

In one embodiment, the lever includes: the sealing device comprises a first operating handle and a second operating handle, wherein the first operating handle and the second operating handle are respectively rotated in opposite directions, so that the pressing cylinder can be pushed to move towards the first end of the positioning seat, and the sealing ring is pressed and mounted at a preset position of a workpiece to be mounted.

In one embodiment, the positioning seat, the pressing cylinder and the operating handle are made of aluminum alloy materials.

Compared with the prior art, the utility model has the advantages that: when the sealing ring is installed, the sealing ring is firstly sleeved on the periphery of the first end of the positioning seat, then the end face of the first end of the positioning seat abuts against a workpiece to be installed, and then the operating handle is rotated, so that the sealing ring can be pressed and installed at the preset position of the sealing ring through the pressing cylinder. The sealing ring press-mounting device is simple in structure, can complete the press-mounting work of the sealing ring by only one operator, is convenient to use and high in mounting efficiency, and can prevent the sealing ring from being damaged by applying uniform thrust to the sealing ring through the operating handle and the pressing cylinder.

Drawings

The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

Fig. 1 is a first structural view of a seal ring press-fitting device in an embodiment of the utility model;

FIG. 2 is a second schematic structural view of a packing press-fitting device according to an embodiment of the present invention;

FIG. 3 is a third schematic view of a packing press according to an embodiment of the present invention;

FIG. 4 is a fourth schematic view of a packing press according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a crankshaft in one embodiment of the utility model.

Reference numerals:

1. pressing the cylinder; 2. an operating handle; 3. positioning seats; 4. a positioning member; 5. a seal ring; 6. a crankshaft;

21. a pressing section; 22. a connecting portion; 23. a card slot;

31. a main body portion; 32. a guide portion; 33. installing a shaft; 61. and (7) positioning the holes.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1 to 4, the packing press-fitting device of the present invention comprises: positioning seat 3, pressure cylinder 1 and operating handle 2. The first end of positioning seat 3 is used for setting up sealing washer 5, presses on the outer wall of section of thick bamboo 1 sliding connection positioning seat 3, and the first end of operating handle 2 rotationally connects the second end rather than first end relative of positioning seat 3. Wherein, rotate the operating handle 2 and can promote the first end of pressing section of thick bamboo 1 towards positioning seat 3 and remove to wait to adorn the preset position department of work piece with sealing washer 5 pressure equipment.

In the utility model, when the sealing ring 5 is installed, firstly, the sealing ring 5 is sleeved on the periphery of the first end of the positioning seat 3, then the end surface of the first end of the positioning seat 3 is abutted against a workpiece to be installed, and then the operating handle 2 is rotated, so that the sealing ring 5 can be pressed and installed at the preset position of the sealing ring 5 through the pressing cylinder 1. The sealing ring press-mounting device is simple in structure, can finish the press-mounting work of the sealing ring 5 by only one operator, is convenient to use and high in mounting efficiency, and can prevent the sealing ring 5 from being damaged by applying uniform thrust to the sealing ring 5 through the operating handle 2 and the pressing cylinder 1.

The seal ring press-fitting device is particularly suitable for mounting an oil seal of an engine crankshaft 6.

In the oil seal installation of the crankshaft 6 of the engine, the workpiece to be installed is the crankshaft 6 of the engine, and the seal ring 5 is an oil seal.

In one embodiment, the operating handle 2 is provided with a pressing portion 21 near the first end thereof, and the pressing portion 21 extends in a direction perpendicular to the longitudinal direction of the operating handle 2.

Wherein, rotating the operating handle 2 can make the squeezing portion 21 contact with the pressure tube 1 and push the pressure tube 1 to move towards the first end of the positioning seat 3.

Preferably, the operating handle 2 comprises: the first operating handle and the second operating handle are respectively rotated in opposite directions, the pressing cylinder 1 can be pushed to move towards the first end of the positioning seat 3, and therefore the sealing ring 5 is pressed and mounted at a preset position of a workpiece to be mounted.

In use, the first and second levers are symmetrically arranged along the axis of the pressure tube 1, and the pressing portions 21 of both levers 2 are located outside of both levers. As shown in fig. 2, one hand of the operator rotates the first operating handle clockwise, and the other hand rotates the second operating handle counterclockwise, so that the pressing cylinder 1 can be pushed to press the seal ring 5 onto the workpiece to be mounted.

In one embodiment, the positioning socket 3 comprises a main body 31 and a guide 32 connected to each other, wherein the main body 31 is configured in a cylindrical shape and the guide 32 is configured in an elongated shape. The sealing ring 5 is arranged on the circumferential surface of the main body part 31, the first end of the pressing cylinder 1 is opened and sleeved on the circumferential surface of the main body part 31, the second end of the pressing cylinder 1 is closed, a guide hole matched with the guide part 32 is arranged on the end surface of the pressing cylinder, and the first end of the operating handle 2 is rotatably connected to one end, far away from the main body part 31, of the guide part 32.

The first end of the pressing cylinder 1 is an open end and used for realizing press mounting of the sealing ring 5, and the second end of the pressing cylinder is closed so as to bear the driving force of rotation of the operating handle 2.

The cylindrical body portion 31 is mainly used for providing a mounting position of the seal ring 5; the elongated guide portion 32 serves to guide the pressure cylinder 1 and provides a connection position for the first end of the operation handle 2.

In one embodiment, a positioning member 4 is disposed on an end surface of the first end of the positioning seat 3, and correspondingly, a positioning hole 61 matched with the positioning member 4 is disposed on the workpiece to be mounted.

When the sealing ring 5 is installed, the positioning piece 4 is arranged in the positioning hole 61 on the workpiece to be installed, so that the positioning seat 3 is fixed, the sealing ring 5 can be accurately installed, and the installation precision of the sealing ring 5 is improved. Preferably, the end face of the first end of the positioning socket 3 is provided with at least two positioning elements 4, preferably two positioning elements 4. Wherein, through setting up two at least setting element 4, can restrict the rotation of positioning seat 3.

Specifically, the positioning element 4 may be a positioning pin or a positioning post.

As shown in fig. 5, in the mounting of the seal ring 5 of the crankshaft 6, two positioning holes 61 are provided on the mounting surface of the seal ring 5 of the crankshaft 6.

In one embodiment, the second end of the positioning seat 3 is provided with a mounting shaft 33, the first end of the operating handle 2 is provided with a connecting portion 22 matched with the mounting shaft 33, and the operating handle 2 is rotatably connected to the mounting shaft 33 through the connecting portion 22.

Wherein, the second end of positioning seat 3 sets up installation axle 33 to realize being connected with operation handle 2. In particular, the second end of the positioning socket 3 is the end of its guide 32.

In one embodiment, the connecting portion 22 is provided with a locking slot 23 that mates with the mounting shaft 33. In this embodiment, the operation handle 2 is detachably attached to the second end of the positioning socket 3, so that the press-fit device can be easily stored.

In another embodiment, the connecting portion 22 is provided with a connecting hole for engaging with the mounting shaft 33. In the embodiment, the operating handle 2 and the positioning seat 3 are designed in an integrated manner, so that the operating handle 2 is not easy to separate from the positioning seat 3, and the stability of the press-fitting device during use is facilitated.

In one embodiment, the positioning seat 3, the pressing cylinder 1 and the operating handle 2 are made of aluminum alloy materials.

In other words, the seal ring press-fitting device is made of an aluminum alloy material. The press-fitting device is made of aluminum alloy, light in weight, convenient to use by operators, low in cost and beneficial to prolonging the service life of tools, can reduce the collision risk of the installation surface of the sealing ring 5 and a part to be installed such as the crankshaft 6 and the like, and avoids the installation surface of the workpiece to be installed and the sealing ring 5 from being damaged, so that the quality and the safety of products are ensured.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A seal ring press-fitting device, comprising: a positioning seat, a pressing cylinder and an operating handle,

2. The seal ring press-fitting device according to claim 1, wherein a positioning member is provided on an end surface of the first end of the positioning seat, and correspondingly, a positioning hole is provided on the workpiece to be fitted, the positioning hole being engaged with the positioning member.

3. The seal ring press-fit device according to claim 2, wherein an end surface of the first end of the positioning seat is provided with at least two positioning pieces.

4. The seal ring press-fit device according to any one of claims 1 to 3, wherein the positioning seat includes a main body portion and a guide portion connected, wherein the main body portion is configured in a cylindrical shape, the guide portion is configured in an elongated shape,

5. The packing press-fitting device according to any one of claims 1 to 3, wherein the operating lever is provided with a pressing portion near the first end thereof, the pressing portion extending in a direction perpendicular to a longitudinal direction of the operating lever,

6. The packing press according to any one of claims 1 to 3, wherein the second end of the positioning seat is provided with a mounting shaft, and the first end of the operating lever is provided with a connecting portion that mates with the mounting shaft, and the operating lever is rotatably connected to the mounting shaft through the connecting portion.

7. The seal ring press-fit device according to claim 6, wherein the connecting portion is provided with a locking groove for engaging with the mounting shaft.

8. The seal ring press-fit device according to claim 6, wherein the connecting portion is provided with a connecting hole that is fitted to the mounting shaft.

9. The seal ring press-fit device according to any one of claims 1 to 3, wherein the operation handle includes: the sealing device comprises a first operating handle and a second operating handle, wherein the first operating handle and the second operating handle are respectively rotated in opposite directions, so that the pressing cylinder can be pushed to move towards the first end of the positioning seat, and the sealing ring is pressed and mounted at a preset position of a workpiece to be mounted.

10. The seal ring press-fitting device according to any one of claims 1 to 3, wherein the positioning seat, the pressing cylinder, and the operating handle are made of an aluminum alloy material.