CN205630435U - Special tool for maintaining electric pump - Google Patents

Abstract

The utility model discloses a special tool for maintenance of an electric pump, which comprises a collar and a handle connected thereto; the collar includes a side wall, and the inner side of the side wall forms an accommodating cavity, and the accommodating cavity is connected with the main body of the electric pump. The shape of the cylinder sealing cover matches; the side wall is provided with an opening for the piston rod of the electric pump to penetrate; one end of the handle is connected with the collar. One end of the side wall is provided with a cover plate, and the cover plate and the side wall form a positioning sleeve for being sleeved on the sealing cover of the main cylinder of the electric pump. opening. The opening setting allows the special tool for electric pump maintenance to penetrate the piston rod of the electric pump and then set the tool on the sealing cover. Because the shape of the accommodating cavity matches the sealing cover, the combination is tighter and will not slip, and it can withstand large rotation Torque; the function of the cover plate is mainly positioning, so that the sleeve is not easy to slip and shift, and the sealing cover of the main cylinder of the electric pump can be quickly disassembled, so as to improve the maintenance speed and shorten the maintenance time.

Description

Special tools for electric pump maintenance

technical field

The utility model relates to a maintenance tool, in particular to a special tool for disassembling and maintaining an electric pump.

Background technique

In the prior art, electric pumps (such as Graco E-Flo1500 electric pumps) are often used in the paint circulation system to supply and circulate paint. This type of electric pump has the advantages of stable supply pressure and flow, but this type of electric pump The structure is very compact, and the piston rod penetrating through the sealing cover of the main cylinder of the electric pump makes many disassembly tools unusable. Once a failure occurs, only traditional pipe wrench can be used. However, the pipe wrench has a relatively thick outer wall and a square structure, so it is difficult to find a clamping position on the sealing cover; the sealing cover is an outer hexagonal structure, which is easy to slip when disassembling with a pipe wrench, and damages the sealing cover; the space for applying force on the sealing cover And the range of motion is small, which greatly limits the angle of motion of the pipe wrench. Therefore, when this type of electric pump breaks down, it takes a lot of time to disassemble and assemble the sealing cover, resulting in longer maintenance man-hours and affecting production work.

In view of this, it is a technical problem to be solved urgently in the industry to develop a maintenance tool that is easy to disassemble the electric pump.

Utility model content

The technical problem to be solved by the utility model is to provide a special tool for electric pump maintenance in view of the poor effect of the pipe wrench used for electric pump maintenance in the prior art, including a collar and a handle connected thereto; The inner side of the side wall is surrounded by an accommodation cavity, which matches the shape of the sealing cover of the electric pump master cylinder; the side wall is provided with an opening, and the opening can be used for the piston rod of the electric pump to pass through. into; one end of the handle is not fixedly connected to the collar.

Further, one end of the side wall is provided with a cover plate, and the cover plate and the side wall form a positioning sleeve for being sleeved on the sealing cover of the main cylinder of the electric pump. Opening for the rod to pass through.

Further, the accommodating cavity is an inner hexagonal or inner octagonal structure.

Preferably, the inner corners of the accommodating cavity are rounded and transitioned.

Further, the cover plate is fixedly connected with the side wall.

More preferably, the cover plate is integrally formed with the side wall.

Further, the opening is set on the extension line of the handle.

Further, the handle is cylindrical.

Preferably, the handle is a flat cylinder.

Compared with the existing technology, the special tool for electric pump maintenance of this utility model has the following advantages:

1. The opening setting allows the special tool for electric pump maintenance to penetrate the piston rod of the electric pump and then set the tool on the sealing cover. Because the shape of the accommodating cavity matches the sealing cover, the combination is tighter and will not slip, and it can withstand large the rotational moment;

2. The cover plate and the side wall form an open sleeve structure, and the function of the cover plate is mainly positioning, so that the sleeve is not easy to slip and shift, and the main cylinder sealing cover of the electric pump can be quickly disassembled, which improves the maintenance speed and shortens the maintenance time ;

3. The fillet structure formed by the transition of the inner corner of the cavity not only increases the contact surface between the collar and the sealing cover, but also improves the structure of the collar and is not easy to scratch the sealing cover; the flat cylindrical joystick is easy to bear force and Avoid the interference caused by the compact structure of the electric pump.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is a schematic view of the front structure of Embodiment 2 of the utility model;

Fig. 3 is a schematic diagram of the back structure of Embodiment 2 of the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Example 1:

As shown in Figure 1, one of the preferred embodiments of the present utility model includes a collar 1 and a handle 2 connected thereto; the collar 1 includes a side wall 11, and the inner side of the side wall 11 encloses an accommodating cavity 14. The accommodating cavity 14 matches the shape of the seal cover of the electric pump master cylinder; the side wall 11 is provided with an opening 12 for the electric pump piston rod to penetrate; one end of the handle 2 is connected to the collar 1 connection. The accommodating cavity 14 is an inner hexagonal or inner octagonal structure, preferably, the inner corners of the accommodating cavity 14 are rounded and transitioned.

When in use, through the structure of the opening 12, the piston rod of the electric pump penetrates into the cavity 14 in the side wall 11, and the collar 1 is pressed down on the sealing cover of the main cylinder of the electric pump, and the handle is turned. 2 Twist the sealing cover, move the handle 2 to a certain angle, then gently lift the collar 1 to separate the collar 1 from the sealing cover, move the handle 2 back to a certain angle, and then press down the collar 1 gently on the sealing cover. Move the handle 2 to continue to twist the sealing cover, and repeat the above actions to realize the disassembly process of the sealing cover;

The process of screwing and assembling the sealing cover can be realized by moving the handle 2 in the opposite direction.

Since the collar 1 is designed for the structure of the sealing cover, the collar 1 and the sealing cover are tightly sleeved and the contact surface will not slip, it can withstand a large rotational moment, and the sealing will not be scratched during the process of disassembling and tightening the sealing cover. Cover; the inner corners of the accommodation cavity 14 are excessively rounded, so that the accommodation cavity 14 is a rounded hexagon or a rounded octagon, which not only increases the contact surface between the collar 1 and the sealing cover, but also improves the structure of the collar 1 beautiful.

Preferably, the opening 12 is set on the extension line of the handle 2 . When holding the handle 2, it is more in line with the usage habit to extend the collar 1 connected to the handle 2 through the piston rod and above the sealing cover, and it is easier for the collar 1 to penetrate the piston rod into the accommodating cavity in a compact space within 14.

Preferably, the handle 2 is a cylindrical structure, and the force is uniform and stable. More preferably, the handle 2 is a flat cylindrical structure. In the compact working environment of the electric pump, the flat cylindrical handle 2 can save more space and increase the swing angle of the handle 2. During the process of disassembling the sealing cover The use effect brought about by this structural adjustment has been significantly improved.

Example 2:

On the basis of Embodiment 1, a cover plate 13 is provided at one end of the side wall 11, and the cover plate 13 and the side wall 11 form a positioning sleeve for being sleeved on the sealing cover, and the cover plate 13 is provided There is an opening for the piston rod of the electric pump to pass through.

Both the cover plate 13 and the side wall 11 are provided with an opening for the piston rod of the electric pump to pass through. Through the opening structure, the piston rod of the electric pump penetrates into the positioning sleeve, and the positioning sleeve is set on the sealing cover of the main cylinder of the electric pump. The disassembly and assembly of the sealing cover can be realized by twisting the sealing cover and operating in the aforementioned manner. Wherein the function of cover plate 13 is mainly positioning, realizes better position fixation, makes electric pump maintenance special tool not easy to slip and shift, can dismantle the main cylinder seal cover of electric pump quickly, improves maintenance speed, shortens maintenance time.

Preferably, the cover plate 13 is fixedly connected with the side wall 11 , more preferably, the cover plate 13 and the side wall 11 are integrally formed or machined. It is simpler and easier to realize in production, and has greater advantages in industrial production.

The above is only a preferred embodiment of the utility model, the sealing cover is the electric pump master cylinder sealing cover, and the piston rod is the electric pump piston rod. Under the premise of technical principles, some improvements and substitutions can also be made, and these improvements and substitutions should also be regarded as the protection scope of the present utility model.

Claims (9)

1. an electrodynamic pump special tool for service, it is characterised in that include the collar and the handle being attached thereto；

The described collar includes that sidewall, described inside sidewalls surround accommodating cavity, and the profile that described accommodating cavity seals lid with electrodynamic pump master cylinder matches；

Described sidewall is provided with opening, and described opening is available for electrodynamic pump piston rod and penetrates；

One end of described handle is connected with the described collar.

Electrodynamic pump special tool for service the most according to claim 1, it is characterized in that, described sidewall one end is provided with cover plate, and described cover plate constitutes, with sidewall, the abutment sleeve covered for being set in electrodynamic pump master cylinder to seal, and described cover plate is provided with and is available for the opening that electrodynamic pump piston rod penetrates.

Electrodynamic pump special tool for service the most according to claim 1, it is characterised in that described accommodating cavity is interior hexagonal or interior anistree structure.

Electrodynamic pump special tool for service the most according to claim 3, it is characterised in that the interior angle round-corner transition of described accommodating cavity.

Electrodynamic pump special tool for service the most according to claim 2, it is characterised in that described cover plate is fixing with sidewall to be connected.

Electrodynamic pump special tool for service the most according to claim 2, it is characterised in that described cover plate is one-body molded with sidewall.

Electrodynamic pump special tool for service the most according to claim 1, it is characterised in that described opening is arranged on the extended line of handle.

Electrodynamic pump special tool for service the most according to claim 1, it is characterised in that described handle is cylinder.

Electrodynamic pump special tool for service the most according to claim 1, it is characterised in that described handle is flat cylinder.