CN219504668U

CN219504668U - Special tool for dismounting and mounting engine camshaft bush

Info

Publication number: CN219504668U
Application number: CN202223113500.5U
Authority: CN
Inventors: 郭侃; 张居云; 吉来; 张永亮; 方福道; 李方园
Original assignee: Anhui Conch Engineering Machinery Technology Co ltd
Current assignee: Anhui Conch Engineering Machinery Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-08-11
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the technical field of disassembly of engine camshaft bushings, in particular to a special tool for disassembly and assembly of an engine camshaft bushing. The technical proposal comprises: shell, base and screw rod, the base has been cup jointed in the shell sliding, the bolt is all installed through the screw thread to the top end face and the bottom end face of shell, and the bolt passes through the screw thread to be installed in the base, the motor is installed to the rear end face of base, and the welding has the screw rod on the output shaft of motor, install first nut through the screw thread on the screw rod, and first nut carries out spacingly to the concentric circle baffle of second, install first concentric circle baffle and the concentric circle baffle of second through the screw thread on the screw rod, install the second nut through the screw thread on the screw rod, and the second nut is spacing to the concentric circle baffle of first. The utility model meets the requirement of disassembling the camshaft bushing of the engine, is convenient to use and operate, and increases the working efficiency.

Description

Special tool for dismounting and mounting engine camshaft bush

Technical Field

The utility model relates to the technical field of disassembly of engine camshaft bushings, in particular to a special tool for disassembly and assembly of an engine camshaft bushing.

Background

The camshaft is a component in a piston engine. Its function is to control the opening and closing actions of the valve. Although the rotational speed of the camshaft is half that of the crankshaft in a four-stroke engine (the rotational speed of the camshaft is the same as that of the crankshaft in a two-stroke engine), the rotational speed is still high and a large torque is required to be born, so that the requirements on strength and support of the camshaft in design are high, and the camshaft is made of high-quality alloy steel or alloy steel generally. Since the law of valve motion is related to the power and operating characteristics of an engine, camshaft design plays a very important role in the design process of the engine.

But the large-precision requirement of the existing camshaft bush dismounting and mounting workload of the engine during overhaul requires high-precision special tool mounting, so that the workload is reduced, and the mounting precision is improved.

Disclosure of Invention

The utility model aims to provide a special tool for dismounting and mounting an engine camshaft bush, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a specialized tool of engine camshaft bush dismantlement installation, includes shell, base and screw rod, the base has been cup jointed in the shell sliding, the motor is installed to the rear end face of base, and the welding has the screw rod on the output shaft of motor, install first concentric circle baffle and second concentric circle baffle through the screw thread on the screw rod.

Preferably, both ends of the shell are welded with handles, and the handles are provided with thread grooves. The handle is provided with the thread groove, so that a person can conveniently hold the handle through the thread groove, and the screw rod can be placed into the camshaft bushing mounting hole when holding the handle.

Preferably, the top end face and the bottom end face of the shell are provided with bolts through threads, and the bolts are arranged in the base through threads. Install in the base through the screw thread through the bolt, conveniently install and fix the base, and in order to make things convenient for the camshaft bush of different specifications, screw rod and the supporting motor of different specifications can be produced to install and spacing change and operate through the bolt.

Preferably, a first nut is installed on the screw rod through threads, and the first nut limits the second concentric circle baffle. The first nut is used for limiting the second concentric circle baffle plate, so that the second concentric circle baffle plate is prevented from loosening and separating, and the second concentric circle baffle plate is convenient to detach and replace.

Preferably, a second nut is mounted on the screw rod through threads, and the second nut limits the first concentric circular baffle. The first concentric circular baffle is limited by the second nut, so that the first concentric circular baffle is prevented from loosening and separating, and the disassembly and replacement are convenient.

Preferably, grooves are formed in the first concentric circular baffle plate and the second concentric circular baffle plate. The first concentric circular baffle plate and the second concentric circular baffle plate are convenient to contact and limit the cam shaft bushing through the grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the shell, when a person dismantles the camshaft bushing, the handle is provided with the thread groove, so that the person can conveniently hold the handle through the thread groove, the screw rod can be placed into the camshaft bushing mounting hole when holding the handle, the screw rod is mounted in the base through the threads after mounting, the base is conveniently mounted and fixed, and in order to facilitate the camshaft bushings with different specifications, the screw rods with different specifications and the matched motor can be produced, so that the screw rod is mounted, limited, replaced and operated through the screw rod, and the dismounting and mounting according to actual requirements are facilitated.

2. According to the utility model, the base is arranged, when a person dismounts the camshaft bushing, the person puts the screw rod into the mounting hole of the camshaft bushing, then the first concentric circle baffle plate and the second concentric circle baffle plate are mounted on the screw rod from the opening, the big round end in the camshaft bushing which is required to be dismountably mounted is pushed in by the screw rod, and positioned by the first screw cap and the second screw cap, the small round end screw rod of the first concentric circle baffle plate and the second concentric circle baffle plate is exposed out of the cylinder body end, and then the first screw cap and the second screw cap are mounted and clockwise rotated, and the motor can be opened to directly drive the screw rod to rotate, so that the operation is performed until the camshaft bushing is dismounted or mounted to the position required by the technology, and the mounting and dismounting are convenient in later period.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

fig. 3 is a schematic rear view of the present utility model.

In the figure: 1. a bolt; 2. a housing; 3. a grip; 4. a base; 5. a groove; 6. a screw; 7. a first nut; 8. a second nut; 9. a first concentric circular baffle; 10. a second concentric circle baffle; 11. and a motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-3, the special tool for dismounting and mounting the engine camshaft bush provided by the utility model comprises a shell 2, a base 4 and a screw rod 6, wherein the base 4 is sleeved in the shell 2 in a sliding manner, a motor 11 is mounted on the rear end surface of the base 4, and the screw rod 6 is welded on the output shaft of the motor 11.

Both ends of the shell 2 are welded with the handle 3, the handle 3 is provided with a thread groove, and a person can conveniently hold the handle 3 through the thread groove by arranging the thread groove on the handle 3, so that the screw rod 6 can be placed into the camshaft bush mounting hole when holding the handle 3.

The top end face and the bottom end face of the shell 2 are both provided with bolts 1 through threads, the bolts 1 are arranged in the base 4 through threads, the base 4 is convenient to install and fix, and in order to facilitate camshaft bushings of different specifications, screws 6 of different specifications and matched motors 11 can be produced, so that the bolts 1 are used for installation, limiting and replacement and operation.

The screw 6 is provided with a first concentric circle baffle 9 and a second concentric circle baffle 10 through threads.

Based on example 1: personnel are when dismantling the camshaft bush, offered the screw thread groove on through the handle 3, make things convenient for personnel to hold the handle 3 through the screw thread groove, can make the screw rod 6 put into the camshaft bush mounting hole when holding the handle 3, install in the base 4 through the screw thread through bolt 1 after the installation, conveniently install and fix the base 4, and in order to make things convenient for the camshaft bush of different specifications, can produce screw rod 6 and supporting motor 11 of different specifications to install and spacing change and operate through bolt 1.

Example two

As shown in fig. 1-3, the tool for disassembling and assembling a camshaft bushing of an engine according to the present utility model further includes: the novel electric screw comprises a shell 2, a base 4 and a screw rod 6, wherein the base 4 is sleeved in the shell 2 in a sliding mode, a motor 11 is installed on the rear end face of the base 4, and the screw rod 6 is welded on an output shaft of the motor 11.

The first screw cap 7 is arranged on the screw rod 6 through threads, the first screw cap 7 limits the second concentric circle baffle 10, the second concentric circle baffle 10 is prevented from loosening and separating, and the disassembly and the replacement are convenient.

The second screw cap 8 is arranged on the screw rod 6 through threads, the second screw cap 8 limits the first concentric circular baffle 9, the first concentric circular baffle 9 is prevented from loosening and separating, and the disassembly and the replacement are convenient.

Grooves 5 are formed in the first concentric circle baffle 9 and the second concentric circle baffle 10, and the grooves 5 facilitate the contact and limiting of the first concentric circle baffle 9 and the second concentric circle baffle 10 with the camshaft bush.

Based on example 2: when a person dismantles the camshaft bush, after the person puts the screw rod 6 into the installation hole of the camshaft bush, the first concentric circle baffle 9 and the second concentric circle baffle 10 are installed on the screw rod 6 from the opening, the big round end in the camshaft bush which is required to be dismantlement and installation is pushed in by the opening is positioned by the first screw cap 7 and the second screw cap 8, the small round end screw rod 6 of the first concentric circle baffle 9 and the second concentric circle baffle 10 exposes out of the cylinder body end, the first screw cap 7 and the second screw cap 8 are installed after the first concentric circle baffle 9 and the second concentric circle baffle 10 are installed, and the screw rod 6 is directly driven to rotate by the motor 11 to operate until the camshaft bush is dismounted or installed at the position required by the technology.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a specialized tool of engine camshaft bush dismantlement installation, includes shell (2), base (4) and screw rod (6), its characterized in that: the novel electric motor is characterized in that the base (4) is sleeved in the shell (2) in a sliding manner, a motor (11) is installed on the rear end face of the base (4), a screw (6) is welded on an output shaft of the motor (11), and a first concentric baffle (9) and a second concentric baffle (10) are installed on the screw (6) through threads.

2. The engine camshaft bushing disassembly and assembly tool according to claim 1, wherein: both ends of the shell (2) are welded with handles (3), and thread grooves are formed in the handles (3).

3. The engine camshaft bushing disassembly and assembly tool according to claim 1, wherein: the top end face and the bottom end face of the shell (2) are provided with bolts (1) through threads, and the bolts (1) are arranged in the base (4) through threads.

4. The engine camshaft bushing disassembly and assembly tool according to claim 1, wherein: the screw (6) is provided with a first screw cap (7) through threads, and the first screw cap (7) limits the second concentric baffle (10).

5. The engine camshaft bushing disassembly and assembly tool according to claim 1, wherein: a second nut (8) is arranged on the screw (6) through threads, and the second nut (8) limits the first concentric circular baffle (9).

6. The engine camshaft bushing disassembly and assembly tool according to claim 1, wherein: grooves (5) are formed in the first concentric circle baffle plate (9) and the second concentric circle baffle plate (10).