CN214036235U - Mechanical sealing device convenient to maintain - Google Patents

Abstract

The utility model discloses a mechanical sealing device convenient for maintenance, which comprises a through pipe, a sealing gasket and a blocking cover; positioning rods are horizontally welded at the front end, the rear end, the upper end and the lower end of the right side of the through pipe, and external threads are arranged on the outer side of the right end of each positioning rod; the sealing gasket is annular, and the front end, the rear end, the upper end and the lower end of the left side of the sealing gasket are provided with connecting grooves in a penetrating manner; the left front end, the left rear end, the left upper end and the left lower end of the blocking cover are all provided with positioning grooves in a penetrating mode. The utility model discloses an outer wall cover of locating lever is equipped with the spring, and the spring is arranged in between rubber pad and the blanking cover, screws up fixation nut, makes the blanking cover compress tightly the rubber pad, and compression spring, makes the spring arrange in and accomodates the inslot, according to the elasticity of spring, the spring can compress tightly the rubber pad on the one hand, improves the leakproofness of blanking cover and siphunculus, and when fixation nut was demolishd to on the other hand, can promote the blanking cover and turn right the removal, makes things convenient for the dismantlement maintenance of blanking cover.

Description

Mechanical sealing device convenient to maintain

Technical Field

The utility model relates to a mechanical seal device technical field specifically is a mechanical seal device convenient to maintenance.

Background

The water pump is an indispensable part in the use process of the diesel engine, mainly provides a cooling effect for the diesel engine, and the existing diesel engine water pump is sealed by adopting a shaft seal mode;

the retrieval publication number is CN210265248U, and the mechanical sealing device convenient for maintenance comprises a top cover, wherein a threaded column is arranged in the middle of the lower surface of the top cover, a fixing plate is arranged below the threaded column, a buffer spring is arranged at the joint of the fixing plate and the threaded column, an installation seat is arranged below the fixing plate, a sealing gasket is arranged on the lower surface of the installation seat, a limiting piece corresponding to the installation seat is arranged on the lower surface of the fixing plate, and an expansion bolt is arranged in the middle of the upper surface of the top cover;

in the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved, 1, the sealing effect is poor, and 2, the stability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal device convenient to maintenance has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical sealing device convenient for maintenance comprises a through pipe, a sealing gasket and a blocking cover;

positioning rods are horizontally welded at the front end, the rear end, the upper end and the lower end of the right side of the through pipe, and external threads are arranged on the outer side of the right end of each positioning rod;

the sealing gasket is annular, and the front end, the rear end, the upper end and the lower end of the left side of the sealing gasket are provided with connecting grooves in a penetrating manner;

the left front end of blanking cover, rear end, upper end and lower extreme all run through and have seted up the constant head tank, the locating lever runs through spread groove and constant head tank respectively and sealed pad and blanking cover swing joint, the groove of accomodating has been seted up in the left side of constant head tank, the left side outer wall cover of locating lever is equipped with the spring, the spring is arranged in between sealed pad and the blanking cover, the right-hand member of locating lever runs through fixation nut threaded connection.

As a preferred embodiment of the present invention, the right end of the spring is attached to the inner wall of the right side of the storage groove, and the spring is matched with the size of the storage groove.

As a preferred embodiment of the utility model, the locating hole has been seted up to the upper surface of locating lever right-hand member, and positioning bolt runs through locating hole and fixed connection.

As a preferred embodiment of the present invention, the through pipe is matched with the blocking cover in size.

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

1. the utility model relates to a mechanical seal device convenient to maintenance, the outer wall cover through the locating lever is equipped with the spring, and the spring is arranged in between rubber pad and the blanking cover, screws up fixation nut, makes the blanking cover compress tightly the rubber pad, and compression spring, makes the spring arrange in and accomodate the inslot, according to the elasticity of spring, the spring can compress tightly the rubber pad on the one hand, improves the leakproofness of blanking cover and siphunculus, and when fixation nut was demolishd to on the other hand, can promote the blanking cover and turn right the removal, makes things convenient for the dismantlement maintenance of blanking cover.

2. The utility model relates to a mechanical seal device convenient to maintenance runs through locating hole and fixed connection through locating lever and positioning bolt, can fix a position fixation nut, avoids fixation nut not hard up, improves the stability of blanking cover.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a mechanical sealing device convenient for maintenance according to the present invention;

FIG. 2 is a left side view of a sealing gasket of a mechanical sealing device for easy maintenance according to the present invention;

fig. 3 is the utility model relates to a mechanical seal device's locating lever top view convenient to maintenance.

In the figure: siphunculus 1, locating lever 2, external screw thread 3, sealed 4, spread groove 5, blanking cover 6, constant head tank 7 accomodates groove 8, spring 9, fixation nut 10, locating hole 11, positioning bolt 12.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following 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.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a mechanical sealing device convenient for maintenance comprises a through pipe 1, a sealing gasket 4 and a blocking cover 6;

positioning rods 2 are horizontally welded at the front end, the rear end, the upper end and the lower end of the right side of the through pipe 1, and external threads 3 are arranged on the outer sides of the right ends of the positioning rods 2;

the sealing gasket 4 is annular, and the front end, the rear end, the upper end and the lower end of the left side of the sealing gasket 4 are provided with connecting grooves 5 in a penetrating manner;

the front end, the rear end, the upper end and the lower end of the left side of the blocking cover 6 are respectively provided with a positioning groove 7 in a penetrating way, the positioning rod 2 is respectively movably connected with the sealing gasket 4 and the blocking cover 6 in a penetrating way through a connecting groove 5 and the positioning groove 7, the left side of the positioning groove 7 is provided with a containing groove 8, the outer wall of the left side of the positioning rod 2 is sleeved with a spring 9, the spring 9 is arranged between the sealing gasket 4 and the blocking cover 6, and the right end of the positioning rod 2 is in threaded connection through a fixing nut 10;

in this embodiment (as shown in fig. 1-3), the outer wall cover through the locating lever 2 is equipped with the spring 9, and the spring 9 is arranged in between the rubber pad 4 and the blanking cover 6, screws up fixation nut 10, makes the blanking cover 6 compress tightly the rubber pad 4, and compresses the spring 9, according to the elasticity of spring 9, on the one hand the spring 9 can compress tightly the rubber pad 4, improves the leakproofness of blanking cover 6 and siphunculus 1, and on the other hand when dismantling fixation nut 10, can promote blanking cover 6 and move to the right, makes things convenient for the dismantlement maintenance of blanking cover 6.

In this embodiment (please refer to fig. 1), the right end of the spring 9 is attached to the right inner wall of the accommodating groove 8, and the spring 9 is matched with the accommodating groove 8 in size, so that the accommodating groove 8 can accommodate the spring 9, and the connection sealing performance between the blocking cover 6 and the sealing pad 4 is improved.

In this embodiment (please refer to fig. 1 and 3), the positioning hole 11 is formed in the upper surface of the right end of the positioning rod 2, and the positioning bolt 12 penetrates through the positioning hole 11 and is fixedly connected to position the fixing nut 10, so as to prevent the fixing nut 10 from loosening and improve the stability of the blocking cover 6.

In this embodiment (please refer to fig. 1), the through pipe 1 is matched with the blocking cover 6 in size.

It should be noted that the utility model relates to a mechanical sealing device convenient for maintenance, which comprises a through pipe 1, a positioning rod 2, an external thread 3, a sealing gasket 4, a connecting groove 5, a blocking cover 6, a positioning groove 7, a containing groove 8, a spring 9, a fixing nut 10, a positioning hole 11, a positioning bolt 12, all of which are universal standard parts or parts known by technicians in the field, the structure and principle of which are known by technicians through technical manuals or conventional experimental methods, the spring 9 is sleeved on the outer wall of the positioning rod 2 during working, the spring 9 is arranged between the rubber gasket 4 and the blocking cover 6, the fixing nut 10 is screwed to lead the blocking cover 6 to compress the rubber gasket 4, and the spring 9 is compressed according to the elasticity of the spring 9, on one hand, the spring 9 can compress the rubber gasket 4 to improve the sealing performance between the blocking cover 6 and the through pipe 1, on the other hand, when the fixing nut 10 is removed, can promote blanking cap 6 and turn right the removal, make things convenient for the dismantlement maintenance of blanking cap 6, run through locating hole 11 and 2 fixed connection of locating lever through positioning bolt 12, can fix a position fixation nut 10, avoid fixation nut 10 not hard up, improve the stability of blanking cap 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A mechanical sealing device convenient for maintenance is characterized by comprising a through pipe (1), a sealing gasket (4) and a blocking cover (6);

positioning rods (2) are horizontally welded at the front end, the rear end, the upper end and the lower end of the right side of the through pipe (1), and external threads (3) are arranged on the outer side of the right end of each positioning rod (2);

the sealing gasket (4) is annular, and the front end, the rear end, the upper end and the lower end of the left side of the sealing gasket (4) are provided with connecting grooves (5) in a penetrating manner;

the left front end of blanking cover (6), rear end, upper end and lower extreme are all run through and have been seted up constant head tank (7), locating lever (2) run through spread groove (5) and constant head tank (7) respectively and sealed pad (4) and blanking cover (6) swing joint, the left side of constant head tank (7) has been seted up and has been accomodate groove (8), the left side outer wall cover of locating lever (2) is equipped with spring (9), spring (9) are arranged in between sealed pad (4) and blanking cover (6), the right-hand member of locating lever (2) runs through fixation nut (10) threaded connection.

2. A mechanical seal for ease of maintenance according to claim 1 wherein: the right-hand member of spring (9) and the right side inner wall laminating of accomodating groove (8), just spring (9) and the size of accomodating groove (8) cooperate.

3. A mechanical seal for ease of maintenance according to claim 1 wherein: the upper surface of the right end of the positioning rod (2) is provided with a positioning hole (11), and a positioning bolt (12) penetrates through the positioning hole (11) and is fixedly connected with the positioning bolt.

4. A mechanical seal for ease of maintenance according to claim 1 wherein: the through pipe (1) is matched with the blocking cover (6) in size.

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